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authorRemko Tronçon <git@el-tramo.be>2011-02-18 17:59:47 (GMT)
committerRemko Tronçon <git@el-tramo.be>2011-02-18 18:10:35 (GMT)
commit2f6c2299c28c9bb03ee1437058a4c7071ff2ac3f (patch)
tree5fb82cd3ea77b82ce0c5fec973e1fee4de1def4b /3rdParty
parent6d115ace1a038acd1a4354391c552bef84d67e79 (diff)
downloadswift-contrib-2f6c2299c28c9bb03ee1437058a4c7071ff2ac3f.zip
swift-contrib-2f6c2299c28c9bb03ee1437058a4c7071ff2ac3f.tar.bz2
Updated coverage tools.
Updated LCov to 1.9. Removed obsolete overview script.
Diffstat (limited to '3rdParty')
-rwxr-xr-x3rdParty/LCov/gendesc7
-rwxr-xr-x3rdParty/LCov/genhtml2151
-rwxr-xr-x3rdParty/LCov/geninfo2488
-rwxr-xr-x3rdParty/LCov/genpng17
-rwxr-xr-x3rdParty/LCov/lcov2120
5 files changed, 4992 insertions, 1791 deletions
diff --git a/3rdParty/LCov/gendesc b/3rdParty/LCov/gendesc
index e7a8113..522ef69 100755
--- a/3rdParty/LCov/gendesc
+++ b/3rdParty/LCov/gendesc
@@ -41,7 +41,7 @@ use Getopt::Long;
# Constants
-our $lcov_version = "LCOV version 1.7";
+our $lcov_version = 'LCOV version 1.9';
our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php";
our $tool_name = basename($0);
@@ -67,6 +67,9 @@ our $input_filename;
$SIG{__WARN__} = \&warn_handler;
$SIG{__DIE__} = \&die_handler;
+# Prettify version string
+$lcov_version =~ s/\$\s*Revision\s*:?\s*(\S+)\s*\$/$1/;
+
# Parse command line options
if (!GetOptions("output-filename=s" => \$output_filename,
"version" =>\$version,
@@ -169,7 +172,7 @@ sub gen_desc()
{
chomp($_);
- if (/^\s*(\w[\w-]*)(\s*)$/)
+ if (/^(\w[\w-]*)(\s*)$/)
{
# Matched test name
# Name starts with alphanum or _, continues with
diff --git a/3rdParty/LCov/genhtml b/3rdParty/LCov/genhtml
index 497363b..d74063a 100755
--- a/3rdParty/LCov/genhtml
+++ b/3rdParty/LCov/genhtml
@@ -1,6 +1,6 @@
#!/usr/bin/perl -w
#
-# Copyright (c) International Business Machines Corp., 2002
+# Copyright (c) International Business Machines Corp., 2002,2010
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -72,7 +72,7 @@ use Digest::MD5 qw(md5_base64);
# Global constants
our $title = "LCOV - code coverage report";
-our $lcov_version = "LCOV version 1.7";
+our $lcov_version = 'LCOV version 1.9';
our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php";
our $tool_name = basename($0);
@@ -81,13 +81,17 @@ our $tool_name = basename($0);
# MED: $med_limit <= rate < $hi_limit graph color: orange
# LO: 0 <= rate < $med_limit graph color: red
-# For line coverage
-our $hi_limit = 50;
-our $med_limit = 15;
+# For line coverage/all coverage types if not specified
+our $hi_limit = 90;
+our $med_limit = 75;
# For function coverage
-our $fn_hi_limit = 90;
-our $fn_med_limit = 75;
+our $fn_hi_limit;
+our $fn_med_limit;
+
+# For branch coverage
+our $br_hi_limit;
+our $br_med_limit;
# Width of overview image
our $overview_width = 80;
@@ -107,7 +111,49 @@ our $nav_offset = 10;
# specifies that offset in lines.
our $func_offset = 2;
-our $overview_title = "directory";
+our $overview_title = "top level";
+
+# Width for line coverage information in the source code view
+our $line_field_width = 12;
+
+# Width for branch coverage information in the source code view
+our $br_field_width = 16;
+
+# Internal Constants
+
+# Header types
+our $HDR_DIR = 0;
+our $HDR_FILE = 1;
+our $HDR_SOURCE = 2;
+our $HDR_TESTDESC = 3;
+our $HDR_FUNC = 4;
+
+# Sort types
+our $SORT_FILE = 0;
+our $SORT_LINE = 1;
+our $SORT_FUNC = 2;
+our $SORT_BRANCH = 3;
+
+# Fileview heading types
+our $HEAD_NO_DETAIL = 1;
+our $HEAD_DETAIL_HIDDEN = 2;
+our $HEAD_DETAIL_SHOWN = 3;
+
+# Offsets for storing branch coverage data in vectors
+our $BR_BLOCK = 0;
+our $BR_BRANCH = 1;
+our $BR_TAKEN = 2;
+our $BR_VEC_ENTRIES = 3;
+our $BR_VEC_WIDTH = 32;
+
+# Additional offsets used when converting branch coverage data to HTML
+our $BR_LEN = 3;
+our $BR_OPEN = 4;
+our $BR_CLOSE = 5;
+
+# Branch data combination types
+our $BR_SUB = 0;
+our $BR_ADD = 1;
# Data related prototypes
sub print_usage(*);
@@ -118,21 +164,20 @@ sub process_file($$$);
sub info(@);
sub read_info_file($);
sub get_info_entry($);
-sub set_info_entry($$$$$$$;$$$$);
+sub set_info_entry($$$$$$$$$;$$$$$$);
sub get_prefix(@);
sub shorten_prefix($);
sub get_dir_list(@);
sub get_relative_base_path($);
sub read_testfile($);
sub get_date_string();
-sub split_filename($);
sub create_sub_dir($);
sub subtract_counts($$);
sub add_counts($$);
sub apply_baseline($$);
sub remove_unused_descriptions();
sub get_found_and_hit($);
-sub get_affecting_tests($$);
+sub get_affecting_tests($$$);
sub combine_info_files($$);
sub merge_checksums($$$);
sub combine_info_entries($$$);
@@ -142,6 +187,17 @@ sub read_config($);
sub apply_config($);
sub get_html_prolog($);
sub get_html_epilog($);
+sub write_dir_page($$$$$$$$$$$$$$$$$);
+sub classify_rate($$$$);
+sub br_taken_add($$);
+sub br_taken_sub($$);
+sub br_ivec_len($);
+sub br_ivec_get($$);
+sub br_ivec_push($$$$);
+sub combine_brcount($$$);
+sub get_br_found_and_hit($);
+sub warn_handler($);
+sub die_handler($);
# HTML related prototypes
@@ -151,32 +207,31 @@ sub get_bar_graph_code($$$);
sub write_png_files();
sub write_htaccess_file();
sub write_css_file();
-sub write_description_file($$$$$);
-sub write_function_rable(*$$$);
+sub write_description_file($$$$$$$);
+sub write_function_table(*$$$$$$$$$$);
sub write_html(*$);
sub write_html_prolog(*$$);
sub write_html_epilog(*$;$);
-sub write_header(*$$$$$$$$);
+sub write_header(*$$$$$$$$$$);
sub write_header_prolog(*$);
-sub write_header_line(*$@);
+sub write_header_line(*@);
sub write_header_epilog(*$);
-sub write_file_table(*$$$$$$);
-sub write_file_table_prolog(*$$$);
-sub write_file_table_entry(*$$$$$$$);
-sub write_file_table_detail_heading(*$$$);
-sub write_file_table_detail_entry(*$$$$$);
+sub write_file_table(*$$$$$$$);
+sub write_file_table_prolog(*$@);
+sub write_file_table_entry(*$$$@);
+sub write_file_table_detail_entry(*$@);
sub write_file_table_epilog(*);
sub write_test_table_prolog(*$);
sub write_test_table_entry(*$$);
sub write_test_table_epilog(*);
-sub write_source($$$$$$);
+sub write_source($$$$$$$);
sub write_source_prolog(*);
-sub write_source_line(*$$$$$);
+sub write_source_line(*$$$$$$);
sub write_source_epilog(*);
sub write_frameset(*$$$);
@@ -206,6 +261,8 @@ our $show_details; # If set, generate detailed directory view
our $no_prefix; # If set, do not remove filename prefix
our $func_coverage = 1; # If set, generate function coverage statistics
our $no_func_coverage; # Disable func_coverage
+our $br_coverage = 1; # If set, generate branch coverage statistics
+our $no_br_coverage; # Disable br_coverage
our $sort = 1; # If set, provide directory listings with sorted entries
our $no_sort; # Disable sort
our $frames; # If set, use frames for source code view
@@ -221,8 +278,9 @@ our $html_prolog; # Actual HTML prolog
our $html_epilog; # Actual HTML epilog
our $html_ext = "html"; # Extension for generated HTML files
our $html_gzip = 0; # Compress with gzip
+our $demangle_cpp = 0; # Demangle C++ function names
our @fileview_sortlist;
-our @fileview_sortname = ("", "-sort-l", "-sort-f");
+our @fileview_sortname = ("", "-sort-l", "-sort-f", "-sort-b");
our @funcview_sortlist;
our @rate_name = ("Lo", "Med", "Hi");
our @rate_png = ("ruby.png", "amber.png", "emerald.png");
@@ -239,6 +297,9 @@ our $tool_dir = dirname($0); # Directory where genhtml tool is installed
$SIG{__WARN__} = \&warn_handler;
$SIG{__DIE__} = \&die_handler;
+# Prettify version string
+$lcov_version =~ s/\$\s*Revision\s*:?\s*(\S+)\s*\$/$1/;
+
# Add current working directory if $tool_dir is not already an absolute path
if (! ($tool_dir =~ /^\/(.*)$/))
{
@@ -246,7 +307,7 @@ if (! ($tool_dir =~ /^\/(.*)$/))
}
# Read configuration file if available
-if (-r $ENV{"HOME"}."/.lcovrc")
+if (defined($ENV{"HOME"}) && (-r $ENV{"HOME"}."/.lcovrc"))
{
$config = read_config($ENV{"HOME"}."/.lcovrc");
}
@@ -262,6 +323,7 @@ if ($config)
"genhtml_css_file" => \$css_filename,
"genhtml_hi_limit" => \$hi_limit,
"genhtml_med_limit" => \$med_limit,
+ "genhtml_line_field_width" => \$line_field_width,
"genhtml_overview_width" => \$overview_width,
"genhtml_nav_resolution" => \$nav_resolution,
"genhtml_nav_offset" => \$nav_offset,
@@ -278,36 +340,49 @@ if ($config)
"genhtml_function_hi_limit" => \$fn_hi_limit,
"genhtml_function_med_limit" => \$fn_med_limit,
"genhtml_function_coverage" => \$func_coverage,
+ "genhtml_branch_hi_limit" => \$br_hi_limit,
+ "genhtml_branch_med_limit" => \$br_med_limit,
+ "genhtml_branch_coverage" => \$br_coverage,
+ "genhtml_branch_field_width" => \$br_field_width,
"genhtml_sort" => \$sort,
});
}
+# Copy limit values if not specified
+$fn_hi_limit = $hi_limit if (!defined($fn_hi_limit));
+$fn_med_limit = $med_limit if (!defined($fn_med_limit));
+$br_hi_limit = $hi_limit if (!defined($br_hi_limit));
+$br_med_limit = $med_limit if (!defined($br_med_limit));
+
# Parse command line options
-if (!GetOptions("output-directory=s" => \$output_directory,
- "title=s" => \$test_title,
- "description-file=s" => \$desc_filename,
- "keep-descriptions" => \$keep_descriptions,
- "css-file=s" => \$css_filename,
- "baseline-file=s" => \$base_filename,
- "prefix=s" => \$dir_prefix,
+if (!GetOptions("output-directory|o=s" => \$output_directory,
+ "title|t=s" => \$test_title,
+ "description-file|d=s" => \$desc_filename,
+ "keep-descriptions|k" => \$keep_descriptions,
+ "css-file|c=s" => \$css_filename,
+ "baseline-file|b=s" => \$base_filename,
+ "prefix|p=s" => \$dir_prefix,
"num-spaces=i" => \$tab_size,
"no-prefix" => \$no_prefix,
"no-sourceview" => \$no_sourceview,
- "show-details" => \$show_details,
- "frames" => \$frames,
+ "show-details|s" => \$show_details,
+ "frames|f" => \$frames,
"highlight" => \$highlight,
"legend" => \$legend,
- "quiet" => \$quiet,
+ "quiet|q" => \$quiet,
"help|h|?" => \$help,
- "version" => \$version,
+ "version|v" => \$version,
"html-prolog=s" => \$html_prolog_file,
"html-epilog=s" => \$html_epilog_file,
"html-extension=s" => \$html_ext,
"html-gzip" => \$html_gzip,
"function-coverage" => \$func_coverage,
"no-function-coverage" => \$no_func_coverage,
+ "branch-coverage" => \$br_coverage,
+ "no-branch-coverage" => \$no_br_coverage,
"sort" => \$sort,
"no-sort" => \$no_sort,
+ "demangle-cpp" => \$demangle_cpp,
))
{
print(STDERR "Use $tool_name --help to get usage information\n");
@@ -317,6 +392,9 @@ if (!GetOptions("output-directory=s" => \$output_directory,
if ($no_func_coverage) {
$func_coverage = 0;
}
+ if ($no_br_coverage) {
+ $br_coverage = 0;
+ }
# Merge sort options
if ($no_sort) {
@@ -400,16 +478,14 @@ if ($no_prefix && defined($dir_prefix))
$dir_prefix = undef;
}
+@fileview_sortlist = ($SORT_FILE);
+@funcview_sortlist = ($SORT_FILE);
+
if ($sort) {
- @funcview_sortlist = (0, 1);
- if ($func_coverage) {
- @fileview_sortlist = (0, 1, 2);
- } else {
- @fileview_sortlist = (0, 1);
- }
-} else {
- @fileview_sortlist = (0);
- @funcview_sortlist = (0);
+ push(@fileview_sortlist, $SORT_LINE);
+ push(@fileview_sortlist, $SORT_FUNC) if ($func_coverage);
+ push(@fileview_sortlist, $SORT_BRANCH) if ($br_coverage);
+ push(@funcview_sortlist, $SORT_LINE);
}
if ($frames)
@@ -418,6 +494,15 @@ if ($frames)
do("$tool_dir/genpng");
}
+# Ensure that the c++filt tool is available when using --demangle-cpp
+if ($demangle_cpp)
+{
+ if (system_no_output(3, "c++filt", "--version")) {
+ die("ERROR: could not find c++filt tool needed for ".
+ "--demangle-cpp\n");
+ }
+}
+
# Make sure output_directory exists, create it if necessary
if ($output_directory)
{
@@ -425,8 +510,7 @@ if ($output_directory)
if (! -e _)
{
- system("mkdir", "-p", $output_directory)
- and die("ERROR: cannot create directory $_!\n");
+ create_sub_dir($output_directory);
}
}
@@ -467,6 +551,7 @@ Operation:
-p, --prefix PREFIX Remove PREFIX from all directory names
--no-prefix Do not remove prefix from directory names
--(no-)function-coverage Enable (disable) function coverage display
+ --(no-)branch-coverage Enable (disable) branch coverage display
HTML output:
-f, --frames Use HTML frames for source code view
@@ -481,6 +566,7 @@ HTML output:
--html-extension EXT Use EXT as filename extension for pages
--html-gzip Use gzip to compress HTML
--(no-)sort Enable (disable) sorted coverage views
+ --demangle-cpp Demangle C++ function names
For more information see: $lcov_url
END_OF_USAGE
@@ -508,6 +594,50 @@ sub get_rate($$)
#
+# get_overall_line(found, hit, name_singular, name_plural)
+#
+# Return a string containing overall information for the specified
+# found/hit data.
+#
+
+sub get_overall_line($$$$)
+{
+ my ($found, $hit, $name_sn, $name_pl) = @_;
+ my $name;
+
+ return "no data found" if (!defined($found) || $found == 0);
+ $name = ($found == 1) ? $name_sn : $name_pl;
+ return sprintf("%.1f%% (%d of %d %s)", $hit * 100 / $found, $hit,
+ $found, $name);
+}
+
+
+#
+# print_overall_rate(ln_do, ln_found, ln_hit, fn_do, fn_found, fn_hit, br_do
+# br_found, br_hit)
+#
+# Print overall coverage rates for the specified coverage types.
+#
+
+sub print_overall_rate($$$$$$$$$)
+{
+ my ($ln_do, $ln_found, $ln_hit, $fn_do, $fn_found, $fn_hit,
+ $br_do, $br_found, $br_hit) = @_;
+
+ info("Overall coverage rate:\n");
+ info(" lines......: %s\n",
+ get_overall_line($ln_found, $ln_hit, "line", "lines"))
+ if ($ln_do);
+ info(" functions..: %s\n",
+ get_overall_line($fn_found, $fn_hit, "function", "functions"))
+ if ($fn_do);
+ info(" branches...: %s\n",
+ get_overall_line($br_found, $br_hit, "branch", "branches"))
+ if ($br_do);
+}
+
+
+#
# gen_html()
#
# Generate a set of HTML pages from contents of .info file INFO_FILENAME.
@@ -527,10 +657,14 @@ sub gen_html()
my $lines_hit;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
my $overall_found = 0;
my $overall_hit = 0;
my $total_fn_found = 0;
my $total_fn_hit = 0;
+ my $total_br_found = 0;
+ my $total_br_hit = 0;
my $dir_name;
my $link_name;
my @dir_list;
@@ -625,7 +759,8 @@ sub gen_html()
# Process each subdirectory and collect overview information
foreach $dir_name (@dir_list)
{
- ($lines_found, $lines_hit, $fn_found, $fn_hit)
+ ($lines_found, $lines_hit, $fn_found, $fn_hit,
+ $br_found, $br_hit)
= process_dir($dir_name);
# Remove prefix if applicable
@@ -646,13 +781,16 @@ sub gen_html()
}
$overview{$dir_name} = [$lines_found, $lines_hit, $fn_found,
- $fn_hit, $link_name,
+ $fn_hit, $br_found, $br_hit, $link_name,
get_rate($lines_found, $lines_hit),
- get_rate($fn_found, $fn_hit)];
+ get_rate($fn_found, $fn_hit),
+ get_rate($br_found, $br_hit)];
$overall_found += $lines_found;
$overall_hit += $lines_hit;
$total_fn_found += $fn_found;
$total_fn_hit += $fn_hit;
+ $total_br_found += $br_found;
+ $total_br_hit += $br_hit;
}
# Generate overview page
@@ -662,8 +800,8 @@ sub gen_html()
foreach (@fileview_sortlist) {
write_dir_page($fileview_sortname[$_], ".", "", $test_title,
undef, $overall_found, $overall_hit,
- $total_fn_found, $total_fn_hit, \%overview,
- {}, {}, 0, $_);
+ $total_fn_found, $total_fn_hit, $total_br_found,
+ $total_br_hit, \%overview, {}, {}, {}, 0, $_);
}
# Check if there are any test case descriptions to write out
@@ -672,37 +810,15 @@ sub gen_html()
info("Writing test case description file.\n");
write_description_file( \%test_description,
$overall_found, $overall_hit,
- $total_fn_found, $total_fn_hit);
- }
-
- chdir($cwd);
-
- info("Overall coverage rate:\n");
-
- if ($overall_found == 0)
- {
- info(" lines......: no data found\n");
- return;
+ $total_fn_found, $total_fn_hit,
+ $total_br_found, $total_br_hit);
}
- info(" lines......: %.1f%% (%d of %d lines)\n",
- $overall_hit * 100 / $overall_found, $overall_hit,
- $overall_found,);
- if ($func_coverage)
- {
- if ($total_fn_found == 0)
- {
- info(" functions..: no data found\n");
- }
- else
- {
- info(" functions..: %.1f%% (%d of %d functions)\n",
- $total_fn_hit * 100 / $total_fn_found,
- $total_fn_hit, $total_fn_found);
-
- }
- }
+ print_overall_rate(1, $overall_found, $overall_hit,
+ $func_coverage, $total_fn_found, $total_fn_hit,
+ $br_coverage, $total_br_found, $total_br_hit);
+ chdir($cwd);
}
#
@@ -727,11 +843,12 @@ sub html_create($$)
}
}
-sub write_dir_page($$$$$$$$$$$$$$)
+sub write_dir_page($$$$$$$$$$$$$$$$$)
{
my ($name, $rel_dir, $base_dir, $title, $trunc_dir, $overall_found,
- $overall_hit, $total_fn_found, $total_fn_hit, $overview,
- $testhash, $testfnchash, $view_type, $sort_type) = @_;
+ $overall_hit, $total_fn_found, $total_fn_hit, $total_br_found,
+ $total_br_hit, $overview, $testhash, $testfnchash, $testbrhash,
+ $view_type, $sort_type) = @_;
# Generate directory overview page including details
html_create(*HTML_HANDLE, "$rel_dir/index$name.$html_ext");
@@ -741,9 +858,9 @@ sub write_dir_page($$$$$$$$$$$$$$)
write_html_prolog(*HTML_HANDLE, $base_dir, "LCOV - $title$trunc_dir");
write_header(*HTML_HANDLE, $view_type, $trunc_dir, $rel_dir,
$overall_found, $overall_hit, $total_fn_found,
- $total_fn_hit, $sort_type);
+ $total_fn_hit, $total_br_found, $total_br_hit, $sort_type);
write_file_table(*HTML_HANDLE, $base_dir, $overview, $testhash,
- $testfnchash, $view_type, $sort_type);
+ $testfnchash, $testbrhash, $view_type, $sort_type);
write_html_epilog(*HTML_HANDLE, $base_dir);
close(*HTML_HANDLE);
}
@@ -765,16 +882,22 @@ sub process_dir($)
my $lines_hit;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
my $overall_found=0;
my $overall_hit=0;
my $total_fn_found=0;
my $total_fn_hit=0;
+ my $total_br_found = 0;
+ my $total_br_hit = 0;
my $base_name;
my $extension;
my $testdata;
my %testhash;
my $testfncdata;
my %testfnchash;
+ my $testbrdata;
+ my %testbrhash;
my @sort_list;
local *HTML_HANDLE;
@@ -804,8 +927,9 @@ sub process_dir($)
my $page_link;
my $func_link;
- ($lines_found, $lines_hit, $fn_found, $fn_hit, $testdata,
- $testfncdata) = process_file($trunc_dir, $rel_dir, $filename);
+ ($lines_found, $lines_hit, $fn_found, $fn_hit, $br_found,
+ $br_hit, $testdata, $testfncdata, $testbrdata) =
+ process_file($trunc_dir, $rel_dir, $filename);
$base_name = basename($filename);
@@ -819,18 +943,24 @@ sub process_dir($)
$page_link = "$base_name.gcov.$html_ext";
}
$overview{$base_name} = [$lines_found, $lines_hit, $fn_found,
- $fn_hit, $page_link,
+ $fn_hit, $br_found, $br_hit,
+ $page_link,
get_rate($lines_found, $lines_hit),
- get_rate($fn_found, $fn_hit)];
+ get_rate($fn_found, $fn_hit),
+ get_rate($br_found, $br_hit)];
$testhash{$base_name} = $testdata;
$testfnchash{$base_name} = $testfncdata;
+ $testbrhash{$base_name} = $testbrdata;
$overall_found += $lines_found;
$overall_hit += $lines_hit;
$total_fn_found += $fn_found;
$total_fn_hit += $fn_hit;
+
+ $total_br_found += $br_found;
+ $total_br_hit += $br_hit;
}
# Create sorted pages
@@ -839,7 +969,8 @@ sub process_dir($)
write_dir_page($fileview_sortname[$_], $rel_dir, $base_dir,
$test_title, $trunc_dir, $overall_found,
$overall_hit, $total_fn_found, $total_fn_hit,
- \%overview, {}, {}, 1, $_);
+ $total_br_found, $total_br_hit, \%overview, {},
+ {}, {}, 1, $_);
if (!$show_details) {
next;
}
@@ -847,12 +978,14 @@ sub process_dir($)
write_dir_page("-detail".$fileview_sortname[$_], $rel_dir,
$base_dir, $test_title, $trunc_dir,
$overall_found, $overall_hit, $total_fn_found,
- $total_fn_hit, \%overview, \%testhash,
- \%testfnchash, 1, $_);
+ $total_fn_hit, $total_br_found, $total_br_hit,
+ \%overview, \%testhash, \%testfnchash,
+ \%testbrhash, 1, $_);
}
# Calculate resulting line counts
- return ($overall_found, $overall_hit, $total_fn_found, $total_fn_hit);
+ return ($overall_found, $overall_hit, $total_fn_found, $total_fn_hit,
+ $total_br_found, $total_br_hit);
}
@@ -913,11 +1046,12 @@ sub get_converted_lines($)
}
-sub write_function_page($$$$$$$$$$$$$$)
+sub write_function_page($$$$$$$$$$$$$$$$$$)
{
my ($base_dir, $rel_dir, $trunc_dir, $base_name, $title,
- $lines_found, $lines_hit, $fn_found, $fn_hit,
- $sumcount, $funcdata, $sumfnccount, $testfncdata, $sort_type) = @_;
+ $lines_found, $lines_hit, $fn_found, $fn_hit, $br_found, $br_hit,
+ $sumcount, $funcdata, $sumfnccount, $testfncdata, $sumbrcount,
+ $testbrdata, $sort_type) = @_;
my $pagetitle;
my $filename;
@@ -932,10 +1066,11 @@ sub write_function_page($$$$$$$$$$$$$$)
write_html_prolog(*HTML_HANDLE, $base_dir, $pagetitle);
write_header(*HTML_HANDLE, 4, "$trunc_dir/$base_name",
"$rel_dir/$base_name", $lines_found, $lines_hit,
- $fn_found, $fn_hit, $sort_type);
+ $fn_found, $fn_hit, $br_found, $br_hit, $sort_type);
write_function_table(*HTML_HANDLE, "$base_name.gcov.$html_ext",
$sumcount, $funcdata,
- $sumfnccount, $testfncdata, $base_name,
+ $sumfnccount, $testfncdata, $sumbrcount,
+ $testbrdata, $base_name,
$base_dir, $sort_type);
write_html_epilog(*HTML_HANDLE, $base_dir, 1);
close(*HTML_HANDLE);
@@ -962,25 +1097,31 @@ sub process_file($$$)
my $checkdata;
my $testfncdata;
my $sumfnccount;
+ my $testbrdata;
+ my $sumbrcount;
my $lines_found;
my $lines_hit;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
my $converted;
my @source;
my $pagetitle;
local *HTML_HANDLE;
($testdata, $sumcount, $funcdata, $checkdata, $testfncdata,
- $sumfnccount, $lines_found, $lines_hit, $fn_found, $fn_hit)
+ $sumfnccount, $testbrdata, $sumbrcount, $lines_found, $lines_hit,
+ $fn_found, $fn_hit, $br_found, $br_hit)
= get_info_entry($info_data{$filename});
# Return after this point in case user asked us not to generate
# source code view
if ($no_sourceview)
{
- return ($lines_found, $lines_hit,
- $fn_found, $fn_hit, $testdata);
+ return ($lines_found, $lines_hit, $fn_found, $fn_hit,
+ $br_found, $br_hit, $testdata, $testfncdata,
+ $testbrdata);
}
$converted = get_converted_lines($testdata);
@@ -990,9 +1131,9 @@ sub process_file($$$)
write_html_prolog(*HTML_HANDLE, $base_dir, $pagetitle);
write_header(*HTML_HANDLE, 2, "$trunc_dir/$base_name",
"$rel_dir/$base_name", $lines_found, $lines_hit,
- $fn_found, $fn_hit, 0);
+ $fn_found, $fn_hit, $br_found, $br_hit, 0);
@source = write_source(*HTML_HANDLE, $filename, $sumcount, $checkdata,
- $converted, $funcdata);
+ $converted, $funcdata, $sumbrcount);
write_html_epilog(*HTML_HANDLE, $base_dir, 1);
close(*HTML_HANDLE);
@@ -1003,17 +1144,20 @@ sub process_file($$$)
write_function_page($base_dir, $rel_dir, $trunc_dir,
$base_name, $test_title,
$lines_found, $lines_hit,
- $fn_found, $fn_hit, $sumcount,
+ $fn_found, $fn_hit, $br_found,
+ $br_hit, $sumcount,
$funcdata, $sumfnccount,
- $testfncdata, $_);
+ $testfncdata, $sumbrcount,
+ $testbrdata, $_);
}
}
# Additional files are needed in case of frame output
if (!$frames)
{
- return ($lines_found, $lines_hit,
- $fn_found, $fn_hit, $testdata);
+ return ($lines_found, $lines_hit, $fn_found, $fn_hit,
+ $br_found, $br_hit, $testdata, $testfncdata,
+ $testbrdata);
}
# Create overview png file
@@ -1033,8 +1177,8 @@ sub process_file($$$)
scalar(@source));
close(*HTML_HANDLE);
- return ($lines_found, $lines_hit, $fn_found, $fn_hit, $testdata,
- $testfncdata);
+ return ($lines_found, $lines_hit, $fn_found, $fn_hit, $br_found,
+ $br_hit, $testdata, $testfncdata, $testbrdata);
}
@@ -1054,16 +1198,22 @@ sub process_file($$$)
# "check" -> \%checkdata
# "testfnc" -> \%testfncdata
# "sumfnc" -> \%sumfnccount
+# "testbr" -> \%testbrdata
+# "sumbr" -> \%sumbrcount
#
# %testdata : name of test affecting this file -> \%testcount
# %testfncdata: name of test affecting this file -> \%testfnccount
+# %testbrdata: name of test affecting this file -> \%testbrcount
#
# %testcount : line number -> execution count for a single test
# %testfnccount: function name -> execution count for a single test
+# %testbrcount : line number -> branch coverage data for a single test
# %sumcount : line number -> execution count for all tests
# %sumfnccount : function name -> execution count for all tests
+# %sumbrcount : line number -> branch coverage data for all tests
# %funcdata : function name -> line number
# %checkdata : line number -> checksum of source code line
+# $brdata : vector of items: block, branch, taken
#
# Note that .info file sections referring to the same file and test name
# will automatically be combined by adding all execution counts.
@@ -1088,6 +1238,9 @@ sub read_info_file($)
my $testfncdata;
my $testfnccount;
my $sumfnccount;
+ my $testbrdata;
+ my $testbrcount;
+ my $sumbrcount;
my $line; # Current line read from .info file
my $testname; # Current test name
my $filename; # Current filename
@@ -1096,6 +1249,8 @@ sub read_info_file($)
my $negative; # If set, warn about negative counts
my $changed_testname; # If set, warn about changed testname
my $line_checksum; # Checksum of current line
+ my $br_found;
+ my $br_hit;
local *INFO_HANDLE; # Filehandle for .info file
info("Reading data file $tracefile\n");
@@ -1146,7 +1301,7 @@ sub read_info_file($)
# Switch statement
foreach ($line)
{
- /^TN:([^,]*)/ && do
+ /^TN:([^,]*)(,diff)?/ && do
{
# Test name information found
$testname = defined($1) ? $1 : "";
@@ -1154,6 +1309,7 @@ sub read_info_file($)
{
$changed_testname = 1;
}
+ $testname .= $2 if (defined($2));
last;
};
@@ -1165,18 +1321,21 @@ sub read_info_file($)
$data = $result{$filename};
($testdata, $sumcount, $funcdata, $checkdata,
- $testfncdata, $sumfnccount) =
+ $testfncdata, $sumfnccount, $testbrdata,
+ $sumbrcount) =
get_info_entry($data);
if (defined($testname))
{
$testcount = $testdata->{$testname};
$testfnccount = $testfncdata->{$testname};
+ $testbrcount = $testbrdata->{$testname};
}
else
{
$testcount = {};
$testfnccount = {};
+ $testbrcount = {};
}
last;
};
@@ -1249,6 +1408,27 @@ sub read_info_file($)
}
last;
};
+
+ /^BRDA:(\d+),(\d+),(\d+),(\d+|-)/ && do {
+ # Branch coverage data found
+ my ($line, $block, $branch, $taken) =
+ ($1, $2, $3, $4);
+
+ $sumbrcount->{$line} =
+ br_ivec_push($sumbrcount->{$line},
+ $block, $branch, $taken);
+
+ # Add test-specific counts
+ if (defined($testname)) {
+ $testbrcount->{$line} =
+ br_ivec_push(
+ $testbrcount->{$line},
+ $block, $branch,
+ $taken);
+ }
+ last;
+ };
+
/^end_of_record/ && do
{
# Found end of section marker
@@ -1261,12 +1441,16 @@ sub read_info_file($)
$testcount;
$testfncdata->{$testname} =
$testfnccount;
+ $testbrdata->{$testname} =
+ $testbrcount;
}
set_info_entry($data, $testdata,
$sumcount, $funcdata,
$checkdata, $testfncdata,
- $sumfnccount);
+ $sumfnccount,
+ $testbrdata,
+ $sumbrcount);
$result{$filename} = $data;
last;
}
@@ -1284,7 +1468,8 @@ sub read_info_file($)
$data = $result{$filename};
($testdata, $sumcount, undef, undef, $testfncdata,
- $sumfnccount) = get_info_entry($data);
+ $sumfnccount, $testbrdata, $sumbrcount) =
+ get_info_entry($data);
# Filter out empty files
if (scalar(keys(%{$sumcount})) == 0)
@@ -1323,6 +1508,12 @@ sub read_info_file($)
}
}
$data->{"f_hit"} = $hitcount;
+
+ # Get found/hit values for branch data
+ ($br_found, $br_hit) = get_br_found_and_hit($sumbrcount);
+
+ $data->{"b_found"} = $br_found;
+ $data->{"b_hit"} = $br_hit;
}
if (scalar(keys(%result)) == 0)
@@ -1362,26 +1553,32 @@ sub get_info_entry($)
my $checkdata_ref = $_[0]->{"check"};
my $testfncdata = $_[0]->{"testfnc"};
my $sumfnccount = $_[0]->{"sumfnc"};
+ my $testbrdata = $_[0]->{"testbr"};
+ my $sumbrcount = $_[0]->{"sumbr"};
my $lines_found = $_[0]->{"found"};
my $lines_hit = $_[0]->{"hit"};
my $fn_found = $_[0]->{"f_found"};
my $fn_hit = $_[0]->{"f_hit"};
+ my $br_found = $_[0]->{"b_found"};
+ my $br_hit = $_[0]->{"b_hit"};
return ($testdata_ref, $sumcount_ref, $funcdata_ref, $checkdata_ref,
- $testfncdata, $sumfnccount, $lines_found, $lines_hit,
- $fn_found, $fn_hit);
+ $testfncdata, $sumfnccount, $testbrdata, $sumbrcount,
+ $lines_found, $lines_hit, $fn_found, $fn_hit,
+ $br_found, $br_hit);
}
#
# set_info_entry(hash_ref, testdata_ref, sumcount_ref, funcdata_ref,
-# checkdata_ref, testfncdata_ref, sumfcncount_ref[,lines_found,
-# lines_hit, f_found, f_hit])
+# checkdata_ref, testfncdata_ref, sumfcncount_ref,
+# testbrdata_ref, sumbrcount_ref[,lines_found,
+# lines_hit, f_found, f_hit, $b_found, $b_hit])
#
# Update the hash referenced by HASH_REF with the provided data references.
#
-sub set_info_entry($$$$$$$;$$$$)
+sub set_info_entry($$$$$$$$$;$$$$$$)
{
my $data_ref = $_[0];
@@ -1391,11 +1588,15 @@ sub set_info_entry($$$$$$$;$$$$)
$data_ref->{"check"} = $_[4];
$data_ref->{"testfnc"} = $_[5];
$data_ref->{"sumfnc"} = $_[6];
-
- if (defined($_[7])) { $data_ref->{"found"} = $_[7]; }
- if (defined($_[8])) { $data_ref->{"hit"} = $_[8]; }
- if (defined($_[9])) { $data_ref->{"f_found"} = $_[9]; }
- if (defined($_[10])) { $data_ref->{"f_hit"} = $_[10]; }
+ $data_ref->{"testbr"} = $_[7];
+ $data_ref->{"sumbr"} = $_[8];
+
+ if (defined($_[9])) { $data_ref->{"found"} = $_[9]; }
+ if (defined($_[10])) { $data_ref->{"hit"} = $_[10]; }
+ if (defined($_[11])) { $data_ref->{"f_found"} = $_[11]; }
+ if (defined($_[12])) { $data_ref->{"f_hit"} = $_[12]; }
+ if (defined($_[13])) { $data_ref->{"b_found"} = $_[13]; }
+ if (defined($_[14])) { $data_ref->{"b_hit"} = $_[14]; }
}
@@ -1503,7 +1704,9 @@ sub merge_func_data($$$)
my %result;
my $func;
- %result = %{$funcdata1};
+ if (defined($funcdata1)) {
+ %result = %{$funcdata1};
+ }
foreach $func (keys(%{$funcdata2})) {
my $line1 = $result{$func};
@@ -1535,7 +1738,9 @@ sub add_fnccount($$)
my $fn_hit;
my $function;
- %result = %{$fnccount1};
+ if (defined($fnccount1)) {
+ %result = %{$fnccount1};
+ }
foreach $function (keys(%{$fnccount2})) {
$result{$function} += $fnccount2->{$function};
}
@@ -1589,6 +1794,167 @@ sub add_testfncdata($$)
return \%result;
}
+
+#
+# brcount_to_db(brcount)
+#
+# Convert brcount data to the following format:
+#
+# db: line number -> block hash
+# block hash: block number -> branch hash
+# branch hash: branch number -> taken value
+#
+
+sub brcount_to_db($)
+{
+ my ($brcount) = @_;
+ my $line;
+ my $db;
+
+ # Add branches from first count to database
+ foreach $line (keys(%{$brcount})) {
+ my $brdata = $brcount->{$line};
+ my $i;
+ my $num = br_ivec_len($brdata);
+
+ for ($i = 0; $i < $num; $i++) {
+ my ($block, $branch, $taken) = br_ivec_get($brdata, $i);
+
+ $db->{$line}->{$block}->{$branch} = $taken;
+ }
+ }
+
+ return $db;
+}
+
+
+#
+# db_to_brcount(db)
+#
+# Convert branch coverage data back to brcount format.
+#
+
+sub db_to_brcount($)
+{
+ my ($db) = @_;
+ my $line;
+ my $brcount = {};
+ my $br_found = 0;
+ my $br_hit = 0;
+
+ # Convert database back to brcount format
+ foreach $line (sort({$a <=> $b} keys(%{$db}))) {
+ my $ldata = $db->{$line};
+ my $brdata;
+ my $block;
+
+ foreach $block (sort({$a <=> $b} keys(%{$ldata}))) {
+ my $bdata = $ldata->{$block};
+ my $branch;
+
+ foreach $branch (sort({$a <=> $b} keys(%{$bdata}))) {
+ my $taken = $bdata->{$branch};
+
+ $br_found++;
+ $br_hit++ if ($taken ne "-" && $taken > 0);
+ $brdata = br_ivec_push($brdata, $block,
+ $branch, $taken);
+ }
+ }
+ $brcount->{$line} = $brdata;
+ }
+
+ return ($brcount, $br_found, $br_hit);
+}
+
+
+#
+# combine_brcount(brcount1, brcount2, type)
+#
+# If add is BR_ADD, add branch coverage data and return list (brcount_added,
+# br_found, br_hit). If add is BR_SUB, subtract the taken values of brcount2
+# from brcount1 and return (brcount_sub, br_found, br_hit).
+#
+
+sub combine_brcount($$$)
+{
+ my ($brcount1, $brcount2, $type) = @_;
+ my $line;
+ my $block;
+ my $branch;
+ my $taken;
+ my $db;
+ my $br_found = 0;
+ my $br_hit = 0;
+ my $result;
+
+ # Convert branches from first count to database
+ $db = brcount_to_db($brcount1);
+ # Combine values from database and second count
+ foreach $line (keys(%{$brcount2})) {
+ my $brdata = $brcount2->{$line};
+ my $num = br_ivec_len($brdata);
+ my $i;
+
+ for ($i = 0; $i < $num; $i++) {
+ ($block, $branch, $taken) = br_ivec_get($brdata, $i);
+ my $new_taken = $db->{$line}->{$block}->{$branch};
+
+ if ($type == $BR_ADD) {
+ $new_taken = br_taken_add($new_taken, $taken);
+ } elsif ($type == $BR_SUB) {
+ $new_taken = br_taken_sub($new_taken, $taken);
+ }
+ $db->{$line}->{$block}->{$branch} = $new_taken
+ if (defined($new_taken));
+ }
+ }
+ # Convert database back to brcount format
+ ($result, $br_found, $br_hit) = db_to_brcount($db);
+
+ return ($result, $br_found, $br_hit);
+}
+
+
+#
+# add_testbrdata(testbrdata1, testbrdata2)
+#
+# Add branch coverage data for several tests. Return reference to
+# added_testbrdata.
+#
+
+sub add_testbrdata($$)
+{
+ my ($testbrdata1, $testbrdata2) = @_;
+ my %result;
+ my $testname;
+
+ foreach $testname (keys(%{$testbrdata1})) {
+ if (defined($testbrdata2->{$testname})) {
+ my $brcount;
+
+ # Branch coverage data for this testname exists
+ # in both data sets: add
+ ($brcount) = combine_brcount($testbrdata1->{$testname},
+ $testbrdata2->{$testname}, $BR_ADD);
+ $result{$testname} = $brcount;
+ next;
+ }
+ # Branch coverage data for this testname is unique to
+ # data set 1: copy
+ $result{$testname} = $testbrdata1->{$testname};
+ }
+
+ # Add count data for testnames unique to data set 2
+ foreach $testname (keys(%{$testbrdata2})) {
+ if (!defined($result{$testname})) {
+ $result{$testname} = $testbrdata2->{$testname};
+ }
+ }
+ return \%result;
+}
+
+
#
# combine_info_entries(entry_ref1, entry_ref2, filename)
#
@@ -1605,6 +1971,8 @@ sub combine_info_entries($$$)
my $checkdata1;
my $testfncdata1;
my $sumfnccount1;
+ my $testbrdata1;
+ my $sumbrcount1;
my $entry2 = $_[1]; # Reference to hash containing second entry
my $testdata2;
@@ -1613,6 +1981,8 @@ sub combine_info_entries($$$)
my $checkdata2;
my $testfncdata2;
my $sumfnccount2;
+ my $testbrdata2;
+ my $sumbrcount2;
my %result; # Hash containing combined entry
my %result_testdata;
@@ -1620,19 +1990,23 @@ sub combine_info_entries($$$)
my $result_funcdata;
my $result_testfncdata;
my $result_sumfnccount;
+ my $result_testbrdata;
+ my $result_sumbrcount;
my $lines_found;
my $lines_hit;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
my $testname;
my $filename = $_[2];
# Retrieve data
($testdata1, $sumcount1, $funcdata1, $checkdata1, $testfncdata1,
- $sumfnccount1) = get_info_entry($entry1);
+ $sumfnccount1, $testbrdata1, $sumbrcount1) = get_info_entry($entry1);
($testdata2, $sumcount2, $funcdata2, $checkdata2, $testfncdata2,
- $sumfnccount2) = get_info_entry($entry2);
+ $sumfnccount2, $testbrdata2, $sumbrcount2) = get_info_entry($entry2);
# Merge checksums
$checkdata1 = merge_checksums($checkdata1, $checkdata2, $filename);
@@ -1645,6 +2019,11 @@ sub combine_info_entries($$$)
($result_sumfnccount, $fn_found, $fn_hit) =
add_fnccount($sumfnccount1, $sumfnccount2);
+ # Combine branch coverage data
+ $result_testbrdata = add_testbrdata($testbrdata1, $testbrdata2);
+ ($result_sumbrcount, $br_found, $br_hit) =
+ combine_brcount($sumbrcount1, $sumbrcount2, $BR_ADD);
+
# Combine testdata
foreach $testname (keys(%{$testdata1}))
{
@@ -1687,8 +2066,9 @@ sub combine_info_entries($$$)
# Store result
set_info_entry(\%result, \%result_testdata, $result_sumcount,
$result_funcdata, $checkdata1, $result_testfncdata,
- $result_sumfnccount, $lines_found, $lines_hit,
- $fn_found, $fn_hit);
+ $result_sumfnccount, $result_testbrdata,
+ $result_sumbrcount, $lines_found, $lines_hit,
+ $fn_found, $fn_hit, $br_found, $br_hit);
return(\%result);
}
@@ -1986,14 +2366,17 @@ sub get_date_string()
sub create_sub_dir($)
{
- system("mkdir", "-p" ,$_[0])
- and die("ERROR: cannot create directory $_!\n");
+ my ($dir) = @_;
+
+ system("mkdir", "-p" ,$dir)
+ and die("ERROR: cannot create directory $dir!\n");
}
#
# write_description_file(descriptions, overall_found, overall_hit,
-# total_fn_found, total_fn_hit)
+# total_fn_found, total_fn_hit, total_br_found,
+# total_br_hit)
#
# Write HTML file containing all test case descriptions. DESCRIPTIONS is a
# reference to a hash containing a mapping
@@ -2003,20 +2386,22 @@ sub create_sub_dir($)
# Die on error.
#
-sub write_description_file($$$$$)
+sub write_description_file($$$$$$$)
{
my %description = %{$_[0]};
my $found = $_[1];
my $hit = $_[2];
my $fn_found = $_[3];
my $fn_hit = $_[4];
+ my $br_found = $_[5];
+ my $br_hit = $_[6];
my $test_name;
local *HTML_HANDLE;
html_create(*HTML_HANDLE,"descriptions.$html_ext");
write_html_prolog(*HTML_HANDLE, "", "LCOV - test case descriptions");
write_header(*HTML_HANDLE, 3, "", "", $found, $hit, $fn_found,
- $fn_hit, 0);
+ $fn_hit, $br_found, $br_hit, 0);
write_test_table_prolog(*HTML_HANDLE,
"Test case descriptions - alphabetical list");
@@ -2328,17 +2713,6 @@ sub write_css_file()
background-color: #FF0000;
}
- /* All views: header legend item for legend entry */
- td.headerItemLeg
- {
- text-align: right;
- padding-right: 6px;
- font-family: sans-serif;
- font-weight: bold;
- vertical-align: bottom;
- white-space: nowrap;
- }
-
/* All views: header legend value for legend entry */
td.headerValueLeg
{
@@ -2419,6 +2793,7 @@ sub write_css_file()
padding-right: 10px;
background-color: #A7FC9D;
font-weight: bold;
+ font-family: sans-serif;
}
/* Directory view/File view (all): line count entry for files with
@@ -2430,16 +2805,7 @@ sub write_css_file()
padding-right: 10px;
background-color: #A7FC9D;
white-space: nowrap;
- }
-
- /* Directory view/File view (all): legend entry for high coverage
- rate */
- span.coverLegendHi
- {
- padding-left: 10px;
- padding-right: 10px;
- padding-bottom: 2px;
- background-color: #A7FC9D;
+ font-family: sans-serif;
}
/* Directory view/File view (all): percentage entry for files with
@@ -2451,6 +2817,7 @@ sub write_css_file()
padding-right: 10px;
background-color: #FFEA20;
font-weight: bold;
+ font-family: sans-serif;
}
/* Directory view/File view (all): line count entry for files with
@@ -2462,16 +2829,7 @@ sub write_css_file()
padding-right: 10px;
background-color: #FFEA20;
white-space: nowrap;
- }
-
- /* Directory view/File view (all): legend entry for medium coverage
- rate */
- span.coverLegendMed
- {
- padding-left: 10px;
- padding-right: 10px;
- padding-bottom: 2px;
- background-color: #FFEA20;
+ font-family: sans-serif;
}
/* Directory view/File view (all): percentage entry for files with
@@ -2483,6 +2841,7 @@ sub write_css_file()
padding-right: 10px;
background-color: #FF0000;
font-weight: bold;
+ font-family: sans-serif;
}
/* Directory view/File view (all): line count entry for files with
@@ -2494,53 +2853,28 @@ sub write_css_file()
padding-right: 10px;
background-color: #FF0000;
white-space: nowrap;
- }
-
- /* Directory view/File view (all): legend entry for low coverage
- rate */
- span.coverLegendLo
- {
- padding-left: 10px;
- padding-right: 10px;
- padding-bottom: 2px;
- background-color: #FF0000;
+ font-family: sans-serif;
}
/* File view (all): "show/hide details" link format */
a.detail:link
{
color: #B8D0FF;
+ font-size:80%;
}
/* File view (all): "show/hide details" link - visited format */
a.detail:visited
{
color: #B8D0FF;
+ font-size:80%;
}
/* File view (all): "show/hide details" link - activated format */
a.detail:active
{
color: #FFFFFF;
- }
-
- /* File view (detail): test name table headline format */
- td.testNameHead
- {
- text-align: right;
- padding-right: 10px;
- background-color: #DAE7FE;
- font-family: sans-serif;
- font-weight: bold;
- }
-
- /* File view (detail): test lines table headline format */
- td.testLinesHead
- {
- text-align: center;
- background-color: #DAE7FE;
- font-family: sans-serif;
- font-weight: bold;
+ font-size:80%;
}
/* File view (detail): test name entry */
@@ -2549,6 +2883,7 @@ sub write_css_file()
text-align: right;
padding-right: 10px;
background-color: #DAE7FE;
+ font-family: sans-serif;
}
/* File view (detail): test percentage entry */
@@ -2558,6 +2893,7 @@ sub write_css_file()
padding-left: 10px;
padding-right: 10px;
background-color: #DAE7FE;
+ font-family: sans-serif;
}
/* File view (detail): test lines count entry */
@@ -2567,6 +2903,7 @@ sub write_css_file()
padding-left: 10px;
padding-right: 10px;
background-color: #DAE7FE;
+ font-family: sans-serif;
}
/* Test case descriptions: test name format*/
@@ -2605,6 +2942,7 @@ sub write_css_file()
padding-right: 10px;
background-color: #FF0000;
font-weight: bold;
+ font-family: sans-serif;
}
/* Source code view: function entry nonzero count*/
@@ -2615,14 +2953,15 @@ sub write_css_file()
padding-right: 10px;
background-color: #DAE7FE;
font-weight: bold;
+ font-family: sans-serif;
}
/* Source code view: source code format */
- /* Source code view: source code format */
pre.source
{
font-family: monospace;
white-space: pre;
+ margin-top: 2px;
}
/* Source code view: line number format */
@@ -2660,7 +2999,7 @@ sub write_css_file()
padding-left: 10px;
padding-right: 10px;
padding-bottom: 2px;
- background-color: #FF0000;
+ background-color: #FF6230;
}
/* Source code view (function table): standard link - visited format */
@@ -2678,13 +3017,96 @@ sub write_css_file()
background-color: #B5F7AF;
}
- /* Source code view: format for DiffCov legend */
- span.LegendDiffCov
+ /* Source code view: format for branches which were executed
+ * and taken */
+ span.branchCov
+ {
+ background-color: #CAD7FE;
+ }
+
+ /* Source code view: format for branches which were executed
+ * but not taken */
+ span.branchNoCov
+ {
+ background-color: #FF6230;
+ }
+
+ /* Source code view: format for branches which were not executed */
+ span.branchNoExec
+ {
+ background-color: #FF6230;
+ }
+
+ /* Source code view: format for the source code heading line */
+ pre.sourceHeading
+ {
+ white-space: pre;
+ font-family: monospace;
+ font-weight: bold;
+ margin: 0px;
+ }
+
+ /* All views: header legend value for low rate */
+ td.headerValueLegL
+ {
+ font-family: sans-serif;
+ text-align: center;
+ white-space: nowrap;
+ padding-left: 4px;
+ padding-right: 2px;
+ background-color: #FF0000;
+ font-size: 80%;
+ }
+
+ /* All views: header legend value for med rate */
+ td.headerValueLegM
+ {
+ font-family: sans-serif;
+ text-align: center;
+ white-space: nowrap;
+ padding-left: 2px;
+ padding-right: 2px;
+ background-color: #FFEA20;
+ font-size: 80%;
+ }
+
+ /* All views: header legend value for hi rate */
+ td.headerValueLegH
{
+ font-family: sans-serif;
text-align: center;
+ white-space: nowrap;
+ padding-left: 2px;
+ padding-right: 4px;
+ background-color: #A7FC9D;
+ font-size: 80%;
+ }
+
+ /* All views except source code view: legend format for low coverage */
+ span.coverLegendCovLo
+ {
padding-left: 10px;
padding-right: 10px;
- background-color: #B5F7AF;
+ padding-top: 2px;
+ background-color: #FF0000;
+ }
+
+ /* All views except source code view: legend format for med coverage */
+ span.coverLegendCovMed
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-top: 2px;
+ background-color: #FFEA20;
+ }
+
+ /* All views except source code view: legend format for hi coverage */
+ span.coverLegendCovHi
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-top: 2px;
+ background-color: #A7FC9D;
}
END_OF_CSS
;
@@ -2853,104 +3275,40 @@ END_OF_HTML
#
-# write_header_line(filehandle, type, additional params..)
+# write_header_line(handle, content)
#
-# Write a header line.
+# Write a header line with the specified table contents.
#
-sub write_header_line(*$@)
+sub write_header_line(*@)
{
- my $HANDLE = shift;
- my $type = shift;
- my @args = @_;
-
- # Reduce indentation by using gotos
- if ($type eq 0) {
- goto header;
- } elsif ($type eq 1) {
- goto body;
- } elsif ($type eq 2) {
- goto legend_dir;
- } elsif ($type eq 3) {
- goto legend_source;
- } elsif ($type eq 4) {
- goto half_body;
- }
-
-header:
- # *************************************************************
- write_html($HANDLE, <<END_OF_HTML);
- <tr>
- <td width="5%"></td>
- <td width="10%" class="headerItem">$args[0]</td>
- <td width="35%" class="headerValue">$args[1]</td>
- <td width="10%"></td>
- <td width="10%" class="headerCovTableHead">$args[2]</td>
- <td width="10%" class="headerCovTableHead">$args[3]</td>
- <td width="15%" class="headerCovTableHead">$args[4]</td>
- <td width="5%"></td>
- </tr>
-END_OF_HTML
- # *************************************************************
- return;
+ my ($handle, @content) = @_;
+ my $entry;
-body:
- # *************************************************************
- write_html($HANDLE, <<END_OF_HTML);
- <tr>
- <td></td>
- <td class="headerItem">$args[0]</td>
- <td class="headerValue">$args[1]</td>
- <td class="headerItem">$args[2]</td>
- <td class="headerCovTableEntry">$args[3]</td>
- <td class="headerCovTableEntry">$args[4]</td>
- <td class="headerCovTableEntry$args[5]">$args[6]</td>
- </tr>
-END_OF_HTML
- # *************************************************************
- return;
-
-half_body:
- # *************************************************************
- write_html($HANDLE, <<END_OF_HTML);
- <tr>
- <td></td>
- <td class="headerItem">$args[0]</td>
- <td class="headerValue">$args[1]</td>
- </tr>
-END_OF_HTML
- # *************************************************************
- return;
-
-legend_dir:
- # *************************************************************
- write_html($HANDLE, <<END_OF_HTML);
- <tr>
- <td></td>
- <td class="headerItemLeg">$args[0]</td>
- <td class="headerValueLeg">
-$args[1] </td>
- <td></td>
- <td class="headerValueLeg" colspan=3>
-$args[2] </td>
- </tr>
-END_OF_HTML
- # *************************************************************
- return;
+ write_html($handle, " <tr>\n");
+ foreach $entry (@content) {
+ my ($width, $class, $text, $colspan) = @{$entry};
-legend_source:
- # *************************************************************
- write_html($HANDLE, <<END_OF_HTML);
- <tr>
- <td></td>
- <td class="headerItem">$args[0]</td>
- <td class="headerValueLeg" colspan=5>
- <span class="coverLegendNoCov">$args[1]</span>
- <span class="coverLegendCov">$args[2]</span>
- </td>
- </tr>
-END_OF_HTML
- # *************************************************************
+ if (defined($width)) {
+ $width = " width=\"$width\"";
+ } else {
+ $width = "";
+ }
+ if (defined($class)) {
+ $class = " class=\"$class\"";
+ } else {
+ $class = "";
+ }
+ if (defined($colspan)) {
+ $colspan = " colspan=\"$colspan\"";
+ } else {
+ $colspan = "";
+ }
+ $text = "" if (!defined($text));
+ write_html($handle,
+ " <td$width$class$colspan>$text</td>\n");
+ }
+ write_html($handle, " </tr>\n");
}
@@ -2965,10 +3323,11 @@ sub write_header_epilog(*$)
# *************************************************************
write_html($_[0], <<END_OF_HTML)
- <tr><td><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
+ <tr><td><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
</table>
</td>
</tr>
+
<tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
</table>
@@ -2980,84 +3339,82 @@ END_OF_HTML
#
-# write_file_table_prolog(filehandle, file_heading, lines_heading, func_heading)
+# write_file_table_prolog(handle, file_heading, ([heading, num_cols], ...))
#
# Write heading for file table.
#
-sub write_file_table_prolog(*$$$)
+sub write_file_table_prolog(*$@)
{
- # *************************************************************
+ my ($handle, $file_heading, @columns) = @_;
+ my $num_columns = 0;
+ my $file_width;
+ my $col;
+ my $width;
- if ($func_coverage)
- {
- write_html($_[0], <<END_OF_HTML)
- <center>
- <table width="80%" cellpadding=1 cellspacing=1 border=0>
+ $width = 20 if (scalar(@columns) == 1);
+ $width = 10 if (scalar(@columns) == 2);
+ $width = 8 if (scalar(@columns) > 2);
- <tr>
- <td width="45%"><br></td>
- <td width="15%"></td>
- <td width="10%"></td>
- <td width="10%"></td>
- <td width="10%"></td>
- <td width="10%"></td>
- </tr>
+ foreach $col (@columns) {
+ my ($heading, $cols) = @{$col};
- <tr>
- <td class="tableHead">$_[1]</td>
- <td class="tableHead" colspan=3>$_[2]</td>
- <td class="tableHead" colspan=2>$_[3]</td>
- </tr>
+ $num_columns += $cols;
+ }
+ $file_width = 100 - $num_columns * $width;
-END_OF_HTML
- ;
- }
- else
- {
- write_html($_[0], <<END_OF_HTML)
+ # Table definition
+ write_html($handle, <<END_OF_HTML);
<center>
<table width="80%" cellpadding=1 cellspacing=1 border=0>
<tr>
- <td width="50%"><br></td>
- <td width="15%"></td>
- <td width="15%"></td>
- <td width="20%"></td>
+ <td width="$file_width%"><br></td>
+END_OF_HTML
+ # Empty first row
+ foreach $col (@columns) {
+ my ($heading, $cols) = @{$col};
+
+ while ($cols-- > 0) {
+ write_html($handle, <<END_OF_HTML);
+ <td width="$width%"></td>
+END_OF_HTML
+ }
+ }
+ # Next row
+ write_html($handle, <<END_OF_HTML);
</tr>
<tr>
- <td class="tableHead">$_[1]</td>
- <td class="tableHead" colspan=3>$_[2]</td>
+ <td class="tableHead">$file_heading</td>
+END_OF_HTML
+ # Heading row
+ foreach $col (@columns) {
+ my ($heading, $cols) = @{$col};
+ my $colspan = "";
+
+ $colspan = " colspan=$cols" if ($cols > 1);
+ write_html($handle, <<END_OF_HTML);
+ <td class="tableHead"$colspan>$heading</td>
+END_OF_HTML
+ }
+ write_html($handle, <<END_OF_HTML);
</tr>
-
END_OF_HTML
- ;
- }
-
- # *************************************************************
}
-#
-# write_file_table_entry(filehandle, cover_filename, cover_bar_graph,
-# cover_found, cover_hit, fn_found, fn_hit,
-# page_link, func_link)
+# write_file_table_entry(handle, base_dir, filename, page_link,
+# ([ found, hit, med_limit, hi_limit, graph ], ..)
#
# Write an entry of the file table.
#
-sub write_file_table_entry(*$$$$$$$)
+sub write_file_table_entry(*$$$@)
{
- local *HANDLE = shift;
- my ($filename, $bar_graph, $found, $hit, $fn_found, $fn_hit,
- $page_link) = @_;
- my $rate;
- my $rate_string;
- my $funcs_string;
- my $class_lines = "Lo";
- my $class_funcs = "Hi";
+ my ($handle, $base_dir, $filename, $page_link, @entries) = @_;
my $file_code;
+ my $entry;
# Add link to source if provided
if (defined($page_link) && $page_link ne "") {
@@ -3066,158 +3423,88 @@ sub write_file_table_entry(*$$$$$$$)
$file_code = $filename;
}
- # Get line coverage rate
- if ($found > 0)
- {
- $rate = $hit * 100 / $found;
- $rate_string = sprintf("%.1f", $rate)."&nbsp;%";
-
- $class_lines = $rate_name[classify_rate($found, $hit,
- $med_limit, $hi_limit)];
- }
- else
- {
- $rate_string = "-";
- }
-
- # Get function coverage rate
- if ($fn_found > 0)
- {
- $rate = $fn_hit * 100 / $fn_found;
- $class_funcs = $rate_name[classify_rate($fn_found, $fn_hit,
- $fn_med_limit, $fn_hi_limit)];
- $funcs_string = sprintf("%.1f", $rate)."&nbsp;%";
- }
- else
- {
- # Define 0 of 0 functions as 100%
- $rate = 100;
- $funcs_string = "-";
- }
-
- # *************************************************************
-
- write_html(*HANDLE, <<END_OF_HTML)
+ # First column: filename
+ write_html($handle, <<END_OF_HTML);
<tr>
<td class="coverFile">$file_code</td>
+END_OF_HTML
+ # Columns as defined
+ foreach $entry (@entries) {
+ my ($found, $hit, $med, $hi, $graph) = @{$entry};
+ my $bar_graph;
+ my $class;
+ my $rate;
+
+ # Generate bar graph if requested
+ if ($graph) {
+ $bar_graph = get_bar_graph_code($base_dir, $found,
+ $hit);
+ write_html($handle, <<END_OF_HTML);
<td class="coverBar" align="center">
$bar_graph
</td>
- <td class="coverPer$class_lines">$rate_string</td>
- <td class="coverNum$class_lines">$hit / $found</td>
END_OF_HTML
- ;
-
- if ($func_coverage)
- {
- write_html(*HANDLE, <<END_OF_HTML)
- <td class="coverPer$class_funcs">$funcs_string</td>
- <td class="coverNum$class_funcs">$fn_hit / $fn_found</td>
-END_OF_HTML
- ;
- }
- write_html(*HANDLE, <<END_OF_HTML)
- </tr>
+ }
+ # Get rate color and text
+ if ($found == 0) {
+ $rate = "-";
+ $class = "Hi";
+ } else {
+ $rate = sprintf("%.1f&nbsp;%%", $hit * 100 / $found);
+ $class = $rate_name[classify_rate($found, $hit,
+ $med, $hi)];
+ }
+ write_html($handle, <<END_OF_HTML);
+ <td class="coverPer$class">$rate</td>
+ <td class="coverNum$class">$hit / $found</td>
END_OF_HTML
- ;
-
- # *************************************************************
-}
-
-
-#
-# write_file_table_detail_heading(filehandle, left_heading, right_heading)
-#
-# Write heading for detail section in file table.
-#
-
-sub write_file_table_detail_heading(*$$$)
-{
- my $func_rows = "";
-
- if ($func_coverage)
- {
- $func_rows = "<td class=\"testLinesHead\" colspan=2>$_[3]</td>";
- }
-
- # *************************************************************
- write_html($_[0], <<END_OF_HTML)
- <tr>
- <td class="testNameHead" colspan=2>$_[1]</td>
- <td class="testLinesHead" colspan=2>$_[2]</td>
- $func_rows
+ }
+ # End of row
+ write_html($handle, <<END_OF_HTML);
</tr>
-
END_OF_HTML
- ;
-
- # *************************************************************
}
#
-# write_file_table_detail_entry(filehandle, test_name,
-# cover_found, cover_hit, func_found, func_hit)
+# write_file_table_detail_entry(filehandle, test_name, ([found, hit], ...))
#
# Write entry for detail section in file table.
#
-sub write_file_table_detail_entry(*$$$$$)
+sub write_file_table_detail_entry(*$@)
{
- my $rate;
- my $func_rate;
- my $name = $_[1];
-
- if ($_[2]>0)
- {
- $rate = sprintf("%.1f", $_[3]*100/$_[2])."&nbsp;%";
- }
- else
- {
- $rate = "-";
- }
-
- if ($_[4]>0)
- {
- $func_rate = sprintf("%.1f", $_[5]*100/$_[4])."&nbsp;%";
- }
- else
- {
- $func_rate = "-";
- }
+ my ($handle, $test, @entries) = @_;
+ my $entry;
- if ($name =~ /^(.*),diff$/)
- {
- $name = $1." (converted)";
+ if ($test eq "") {
+ $test = "<span style=\"font-style:italic\">&lt;unnamed&gt;</span>";
+ } elsif ($test =~ /^(.*),diff$/) {
+ $test = $1." (converted)";
}
-
- if ($name eq "")
- {
- $name = "<span style=\"font-style:italic\">&lt;unnamed&gt;</span>";
- }
-
- # *************************************************************
-
- write_html($_[0], <<END_OF_HTML)
+ # Testname
+ write_html($handle, <<END_OF_HTML);
<tr>
- <td class="testName" colspan=2>$name</td>
- <td class="testPer">$rate</td>
- <td class="testNum">$_[3]&nbsp;/&nbsp;$_[2]&nbsp;lines</td>
+ <td class="testName" colspan=2>$test</td>
END_OF_HTML
- ;
- if ($func_coverage)
- {
- write_html($_[0], <<END_OF_HTML)
- <td class="testPer">$func_rate</td>
- <td class="testNum">$_[5]&nbsp;/&nbsp;$_[4]</td>
+ # Test data
+ foreach $entry (@entries) {
+ my ($found, $hit) = @{$entry};
+ my $rate = "-";
+
+ if ($found > 0) {
+ $rate = sprintf("%.1f&nbsp;%%", $hit * 100 / $found);
+ }
+ write_html($handle, <<END_OF_HTML);
+ <td class="testPer">$rate</td>
+ <td class="testNum">$hit&nbsp;/&nbsp;$found</td>
END_OF_HTML
- ;
- }
- write_html($_[0], <<END_OF_HTML)
+ }
+
+ write_html($handle, <<END_OF_HTML);
</tr>
END_OF_HTML
- ;
# *************************************************************
}
@@ -3322,6 +3609,17 @@ END_OF_HTML
}
+sub fmt_centered($$)
+{
+ my ($width, $text) = @_;
+ my $w0 = length($text);
+ my $w1 = int(($width - $w0) / 2);
+ my $w2 = $width - $w0 - $w1;
+
+ return (" "x$w1).$text.(" "x$w2);
+}
+
+
#
# write_source_prolog(filehandle)
#
@@ -3330,6 +3628,15 @@ END_OF_HTML
sub write_source_prolog(*)
{
+ my $lineno_heading = " ";
+ my $branch_heading = "";
+ my $line_heading = fmt_centered($line_field_width, "Line data");
+ my $source_heading = " Source code";
+
+ if ($br_coverage) {
+ $branch_heading = fmt_centered($br_field_width, "Branch data").
+ " ";
+ }
# *************************************************************
write_html($_[0], <<END_OF_HTML)
@@ -3338,7 +3645,9 @@ sub write_source_prolog(*)
<td><br></td>
</tr>
<tr>
- <td><pre class="source">
+ <td>
+<pre class="sourceHeading">${lineno_heading}${branch_heading}${line_heading} ${source_heading}</pre>
+<pre class="source">
END_OF_HTML
;
@@ -3347,51 +3656,251 @@ END_OF_HTML
#
+# get_branch_blocks(brdata)
+#
+# Group branches that belong to the same basic block.
+#
+# Returns: [block1, block2, ...]
+# block: [branch1, branch2, ...]
+# branch: [block_num, branch_num, taken_count, text_length, open, close]
+#
+
+sub get_branch_blocks($)
+{
+ my ($brdata) = @_;
+ my $last_block_num;
+ my $block = [];
+ my @blocks;
+ my $i;
+ my $num = br_ivec_len($brdata);
+
+ # Group branches
+ for ($i = 0; $i < $num; $i++) {
+ my ($block_num, $branch, $taken) = br_ivec_get($brdata, $i);
+ my $br;
+
+ if (defined($last_block_num) && $block_num != $last_block_num) {
+ push(@blocks, $block);
+ $block = [];
+ }
+ $br = [$block_num, $branch, $taken, 3, 0, 0];
+ push(@{$block}, $br);
+ $last_block_num = $block_num;
+ }
+ push(@blocks, $block) if (scalar(@{$block}) > 0);
+
+ # Add braces to first and last branch in group
+ foreach $block (@blocks) {
+ $block->[0]->[$BR_OPEN] = 1;
+ $block->[0]->[$BR_LEN]++;
+ $block->[scalar(@{$block}) - 1]->[$BR_CLOSE] = 1;
+ $block->[scalar(@{$block}) - 1]->[$BR_LEN]++;
+ }
+
+ return @blocks;
+}
+
+#
+# get_block_len(block)
+#
+# Calculate total text length of all branches in a block of branches.
+#
+
+sub get_block_len($)
+{
+ my ($block) = @_;
+ my $len = 0;
+ my $branch;
+
+ foreach $branch (@{$block}) {
+ $len += $branch->[$BR_LEN];
+ }
+
+ return $len;
+}
+
+
+#
+# get_branch_html(brdata)
+#
+# Return a list of HTML lines which represent the specified branch coverage
+# data in source code view.
+#
+
+sub get_branch_html($)
+{
+ my ($brdata) = @_;
+ my @blocks = get_branch_blocks($brdata);
+ my $block;
+ my $branch;
+ my $line_len = 0;
+ my $line = []; # [branch2|" ", branch|" ", ...]
+ my @lines; # [line1, line2, ...]
+ my @result;
+
+ # Distribute blocks to lines
+ foreach $block (@blocks) {
+ my $block_len = get_block_len($block);
+
+ # Does this block fit into the current line?
+ if ($line_len + $block_len <= $br_field_width) {
+ # Add it
+ $line_len += $block_len;
+ push(@{$line}, @{$block});
+ next;
+ } elsif ($block_len <= $br_field_width) {
+ # It would fit if the line was empty - add it to new
+ # line
+ push(@lines, $line);
+ $line_len = $block_len;
+ $line = [ @{$block} ];
+ next;
+ }
+ # Split the block into several lines
+ foreach $branch (@{$block}) {
+ if ($line_len + $branch->[$BR_LEN] >= $br_field_width) {
+ # Start a new line
+ if (($line_len + 1 <= $br_field_width) &&
+ scalar(@{$line}) > 0 &&
+ !$line->[scalar(@$line) - 1]->[$BR_CLOSE]) {
+ # Try to align branch symbols to be in
+ # one # row
+ push(@{$line}, " ");
+ }
+ push(@lines, $line);
+ $line_len = 0;
+ $line = [];
+ }
+ push(@{$line}, $branch);
+ $line_len += $branch->[$BR_LEN];
+ }
+ }
+ push(@lines, $line);
+
+ # Convert to HTML
+ foreach $line (@lines) {
+ my $current = "";
+ my $current_len = 0;
+
+ foreach $branch (@$line) {
+ # Skip alignment space
+ if ($branch eq " ") {
+ $current .= " ";
+ $current_len++;
+ next;
+ }
+
+ my ($block_num, $br_num, $taken, $len, $open, $close) =
+ @{$branch};
+ my $class;
+ my $title;
+ my $text;
+
+ if ($taken eq '-') {
+ $class = "branchNoExec";
+ $text = " # ";
+ $title = "Branch $br_num was not executed";
+ } elsif ($taken == 0) {
+ $class = "branchNoCov";
+ $text = " - ";
+ $title = "Branch $br_num was not taken";
+ } else {
+ $class = "branchCov";
+ $text = " + ";
+ $title = "Branch $br_num was taken $taken ".
+ "time";
+ $title .= "s" if ($taken > 1);
+ }
+ $current .= "[" if ($open);
+ $current .= "<span class=\"$class\" title=\"$title\">";
+ $current .= $text."</span>";
+ $current .= "]" if ($close);
+ $current_len += $len;
+ }
+
+ # Right-align result text
+ if ($current_len < $br_field_width) {
+ $current = (" "x($br_field_width - $current_len)).
+ $current;
+ }
+ push(@result, $current);
+ }
+
+ return @result;
+}
+
+
+#
+# format_count(count, width)
+#
+# Return a right-aligned representation of count that fits in width characters.
+#
+
+sub format_count($$)
+{
+ my ($count, $width) = @_;
+ my $result;
+ my $exp;
+
+ $result = sprintf("%*.0f", $width, $count);
+ while (length($result) > $width) {
+ last if ($count < 10);
+ $exp++;
+ $count = int($count/10);
+ $result = sprintf("%*s", $width, ">$count*10^$exp");
+ }
+ return $result;
+}
+
+#
# write_source_line(filehandle, line_num, source, hit_count, converted,
-# add_anchor)
+# brdata, add_anchor)
#
# Write formatted source code line. Return a line in a format as needed
# by gen_png()
#
-sub write_source_line(*$$$$$)
+sub write_source_line(*$$$$$$)
{
+ my ($handle, $line, $source, $count, $converted, $brdata,
+ $add_anchor) = @_;
my $source_format;
- my $count;
+ my $count_format;
my $result;
my $anchor_start = "";
my $anchor_end = "";
+ my $count_field_width = $line_field_width - 1;
+ my @br_html;
+ my $html;
- if (!(defined$_[3]))
- {
+ # Get branch HTML data for this line
+ @br_html = get_branch_html($brdata) if ($br_coverage);
+
+ if (!defined($count)) {
$result = "";
$source_format = "";
- $count = " "x15;
+ $count_format = " "x$count_field_width;
}
- elsif ($_[3] == 0)
- {
- $result = $_[3];
+ elsif ($count == 0) {
+ $result = $count;
$source_format = '<span class="lineNoCov">';
- $count = sprintf("%15d", $_[3]);
+ $count_format = format_count($count, $count_field_width);
}
- elsif ($_[4] && defined($highlight))
- {
- $result = "*".$_[3];
+ elsif ($converted && defined($highlight)) {
+ $result = "*".$count;
$source_format = '<span class="lineDiffCov">';
- $count = sprintf("%15d", $_[3]);
+ $count_format = format_count($count, $count_field_width);
}
- else
- {
- $result = $_[3];
+ else {
+ $result = $count;
$source_format = '<span class="lineCov">';
- $count = sprintf("%15d", $_[3]);
+ $count_format = format_count($count, $count_field_width);
}
-
- $result .= ":".$_[2];
+ $result .= ":".$source;
# Write out a line number navigation anchor every $nav_resolution
# lines if necessary
- if ($_[5])
+ if ($add_anchor)
{
$anchor_start = "<a name=\"$_[1]\">";
$anchor_end = "</a>";
@@ -3400,13 +3909,23 @@ sub write_source_line(*$$$$$)
# *************************************************************
- write_html($_[0],
- $anchor_start.
- '<span class="lineNum">'.sprintf("%8d", $_[1]).
- " </span>$source_format$count : ".
- escape_html($_[2]).($source_format?"</span>":"").
- $anchor_end."\n");
-
+ $html = $anchor_start;
+ $html .= "<span class=\"lineNum\">".sprintf("%8d", $line)." </span>";
+ $html .= shift(@br_html).":" if ($br_coverage);
+ $html .= "$source_format$count_format : ";
+ $html .= escape_html($source);
+ $html .= "</span>" if ($source_format);
+ $html .= $anchor_end."\n";
+
+ write_html($handle, $html);
+
+ if ($br_coverage) {
+ # Add lines for overlong branch information
+ foreach (@br_html) {
+ write_html($handle, "<span class=\"lineNum\">".
+ " </span>$_\n");
+ }
+ }
# *************************************************************
return($result);
@@ -3460,8 +3979,8 @@ sub write_html_epilog(*$;$)
write_html($_[0], <<END_OF_HTML)
<table width="100%" border=0 cellspacing=0 cellpadding=0>
- <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
- <tr><td class="versionInfo">Generated by: <a href="$lcov_url"$break_code>$lcov_version</a></td></tr>
+ <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
+ <tr><td class="versionInfo">Generated by: <a href="$lcov_url"$break_code>$lcov_version</a></td></tr>
</table>
<br>
END_OF_HTML
@@ -3601,28 +4120,6 @@ END_OF_HTML
}
-# rate_to_col(found, hit)
-#
-# Return Lo, Med or Hi, depending on the coverage rate.
-#
-
-sub rate_to_col($$)
-{
- my ($found, $hit) = @_;
- my $rate;
-
- if ($found == 0) {
- return "Hi";
- }
- $rate = 100 * $hit / $found;
- if ($rate < $med_limit) {
- return "Lo";
- } elsif ($rate < $hi_limit) {
- return "Med";
- }
- return "Hi";
-}
-
# format_rate(found, hit)
#
# Return formatted percent string for coverage rate.
@@ -3633,20 +4130,16 @@ sub format_rate($$)
return $_[0] == 0 ? "-" : sprintf("%.1f", $_[1] * 100 / $_[0])." %";
}
-sub get_legend_code($$$)
+
+sub max($$)
{
- my ($text, $med, $hi) = @_;
- my $result;
+ my ($a, $b) = @_;
- $result = <<EOF;
- $text<br>
- <span class="coverLegendLo">0% to $med%</span>
- <span class="coverLegendMed">$med% to $hi%</span>
- <span class="coverLegendHi">$hi% to 100%</span>
-EOF
- return $result;
+ return $a if ($a > $b);
+ return $b;
}
+
#
# write_header(filehandle, type, trunc_file_name, rel_file_name, lines_found,
# lines_hit, funcs_found, funcs_hit, sort_type)
@@ -3656,7 +4149,7 @@ EOF
# header, test case description header, function view header)
#
-sub write_header(*$$$$$$$$)
+sub write_header(*$$$$$$$$$$)
{
local *HTML_HANDLE = $_[0];
my $type = $_[1];
@@ -3666,29 +4159,37 @@ sub write_header(*$$$$$$$$)
my $lines_hit = $_[5];
my $fn_found = $_[6];
my $fn_hit = $_[7];
- my $sort_type = $_[8];
+ my $br_found = $_[8];
+ my $br_hit = $_[9];
+ my $sort_type = $_[10];
my $base_dir;
my $view;
my $test;
my $base_name;
+ my $style;
+ my $rate;
+ my @row_left;
+ my @row_right;
+ my $num_rows;
+ my $i;
$base_name = basename($rel_filename);
# Prepare text for "current view" field
- if ($type == 0)
+ if ($type == $HDR_DIR)
{
# Main overview
$base_dir = "";
$view = $overview_title;
}
- elsif ($type == 1)
+ elsif ($type == $HDR_FILE)
{
# Directory overview
$base_dir = get_relative_base_path($rel_filename);
$view = "<a href=\"$base_dir"."index.$html_ext\">".
"$overview_title</a> - $trunc_name";
}
- elsif ($type == 2 || $type == 4)
+ elsif ($type == $HDR_SOURCE || $type == $HDR_FUNC)
{
# File view
my $dir_name = dirname($rel_filename);
@@ -3713,14 +4214,16 @@ sub write_header(*$$$$$$$$)
# Add function suffix
if ($func_coverage) {
- if ($type == 2) {
+ $view .= "<span style=\"font-size: 80%;\">";
+ if ($type == $HDR_SOURCE) {
$view .= " (source / <a href=\"$base_name.func.$html_ext\">functions</a>)";
- } elsif ($type == 4) {
+ } elsif ($type == $HDR_FUNC) {
$view .= " (<a href=\"$base_name.gcov.$html_ext\">source</a> / functions)";
}
+ $view .= "</span>";
}
}
- elsif ($type == 3)
+ elsif ($type == $HDR_TESTDESC)
{
# Test description header
$base_dir = "";
@@ -3732,84 +4235,126 @@ sub write_header(*$$$$$$$$)
$test = escape_html($test_title);
# Append link to test description page if available
- if (%test_description && ($type != 3))
+ if (%test_description && ($type != $HDR_TESTDESC))
{
- if ($frames && ($type == 2 || $type == 4))
+ if ($frames && ($type == $HDR_SOURCE || $type == $HDR_FUNC))
{
# Need to break frameset when clicking this link
- $test .= " ( <a href=\"$base_dir".
+ $test .= " ( <span style=\"font-size:80%;\">".
+ "<a href=\"$base_dir".
"descriptions.$html_ext\" target=\"_parent\">".
- "view descriptions</a> )";
+ "view descriptions</a></span> )";
}
else
{
- $test .= " ( <a href=\"$base_dir".
+ $test .= " ( <span style=\"font-size:80%;\">".
+ "<a href=\"$base_dir".
"descriptions.$html_ext\">".
- "view descriptions</a> )";
+ "view descriptions</a></span> )";
}
}
# Write header
write_header_prolog(*HTML_HANDLE, $base_dir);
- write_header_line(*HTML_HANDLE, 0, "Current view:", $view,
- "Found", "Hit", "Coverage");
- write_header_line(*HTML_HANDLE, 1, "Test:", $test, "Lines:",
- $lines_found, $lines_hit,
- $rate_name[classify_rate($lines_found, $lines_hit,
- $med_limit, $hi_limit)],
- format_rate($lines_found, $lines_hit));
- if ($func_coverage) {
- write_header_line(*HTML_HANDLE, 1, "Date:", $date, "Functions:",
- $fn_found, $fn_hit,
- $rate_name[classify_rate($fn_found,
- $fn_hit,
- $fn_med_limit,
- $fn_hi_limit)],
- format_rate($fn_found, $fn_hit));
+
+ # Left row
+ push(@row_left, [[ "10%", "headerItem", "Current view:" ],
+ [ "35%", "headerValue", $view ]]);
+ push(@row_left, [[undef, "headerItem", "Test:"],
+ [undef, "headerValue", $test]]);
+ push(@row_left, [[undef, "headerItem", "Date:"],
+ [undef, "headerValue", $date]]);
+
+ # Right row
+ if ($legend && ($type == $HDR_SOURCE || $type == $HDR_FUNC)) {
+ my $text = <<END_OF_HTML;
+ Lines:
+ <span class="coverLegendCov">hit</span>
+ <span class="coverLegendNoCov">not hit</span>
+END_OF_HTML
+ if ($br_coverage) {
+ $text .= <<END_OF_HTML;
+ | Branches:
+ <span class="coverLegendCov">+</span> taken
+ <span class="coverLegendNoCov">-</span> not taken
+ <span class="coverLegendNoCov">#</span> not executed
+END_OF_HTML
+ }
+ push(@row_left, [[undef, "headerItem", "Legend:"],
+ [undef, "headerValueLeg", $text]]);
+ } elsif ($legend && ($type != $HDR_TESTDESC)) {
+ my $text = <<END_OF_HTML;
+ Rating:
+ <span class="coverLegendCovLo" title="Coverage rates below $med_limit % are classified as low">low: &lt; $med_limit %</span>
+ <span class="coverLegendCovMed" title="Coverage rates between $med_limit % and $hi_limit % are classified as medium">medium: &gt;= $med_limit %</span>
+ <span class="coverLegendCovHi" title="Coverage rates of $hi_limit % and more are classified as high">high: &gt;= $hi_limit %</span>
+END_OF_HTML
+ push(@row_left, [[undef, "headerItem", "Legend:"],
+ [undef, "headerValueLeg", $text]]);
+ }
+ if ($type == $HDR_TESTDESC) {
+ push(@row_right, [[ "55%" ]]);
} else {
- write_header_line(*HTML_HANDLE, 4, "Date:", $date);
- }
- if ($legend) {
- if ($type == 0 || $type == 1) {
- my $line_code = get_legend_code("Line coverage:",
- $med_limit, $hi_limit);
- my $func_code = "";
-
- if ($func_coverage) {
- $func_code = get_legend_code(
- "Function coverage:",
- $fn_med_limit,
- $fn_hi_limit);
- }
- write_header_line(*HTML_HANDLE, 2, "Colors:",
- $line_code, $func_code);
- } elsif ($type == 2 || $type == 4) {
- write_header_line(*HTML_HANDLE, 3, "Colors:",
- "not hit", "hit");
+ push(@row_right, [["15%", undef, undef ],
+ ["10%", "headerCovTableHead", "Hit" ],
+ ["10%", "headerCovTableHead", "Total" ],
+ ["15%", "headerCovTableHead", "Coverage"]]);
+ }
+ # Line coverage
+ $style = $rate_name[classify_rate($lines_found, $lines_hit,
+ $med_limit, $hi_limit)];
+ $rate = format_rate($lines_found, $lines_hit);
+ push(@row_right, [[undef, "headerItem", "Lines:"],
+ [undef, "headerCovTableEntry", $lines_hit],
+ [undef, "headerCovTableEntry", $lines_found],
+ [undef, "headerCovTableEntry$style", $rate]])
+ if ($type != $HDR_TESTDESC);
+ # Function coverage
+ if ($func_coverage) {
+ $style = $rate_name[classify_rate($fn_found, $fn_hit,
+ $fn_med_limit, $fn_hi_limit)];
+ $rate = format_rate($fn_found, $fn_hit);
+ push(@row_right, [[undef, "headerItem", "Functions:"],
+ [undef, "headerCovTableEntry", $fn_hit],
+ [undef, "headerCovTableEntry", $fn_found],
+ [undef, "headerCovTableEntry$style", $rate]])
+ if ($type != $HDR_TESTDESC);
+ }
+ # Branch coverage
+ if ($br_coverage) {
+ $style = $rate_name[classify_rate($br_found, $br_hit,
+ $br_med_limit, $br_hi_limit)];
+ $rate = format_rate($br_found, $br_hit);
+ push(@row_right, [[undef, "headerItem", "Branches:"],
+ [undef, "headerCovTableEntry", $br_hit],
+ [undef, "headerCovTableEntry", $br_found],
+ [undef, "headerCovTableEntry$style", $rate]])
+ if ($type != $HDR_TESTDESC);
+ }
+
+ # Print rows
+ $num_rows = max(scalar(@row_left), scalar(@row_right));
+ for ($i = 0; $i < $num_rows; $i++) {
+ my $left = $row_left[$i];
+ my $right = $row_right[$i];
+
+ if (!defined($left)) {
+ $left = [[undef, undef, undef], [undef, undef, undef]];
+ }
+ if (!defined($right)) {
+ $right = [];
}
+ write_header_line(*HTML_HANDLE, @{$left},
+ [ $i == 0 ? "5%" : undef, undef, undef],
+ @{$right});
}
+
+ # Fourth line
write_header_epilog(*HTML_HANDLE, $base_dir);
}
#
-# split_filename(filename)
-#
-# Return (path, filename, extension) for a given FILENAME.
-#
-
-sub split_filename($)
-{
- if (!$_[0]) { return(); }
- my @path_components = split('/', $_[0]);
- my @file_components = split('\.', pop(@path_components));
- my $extension = pop(@file_components);
-
- return (join("/",@path_components), join(".",@file_components),
- $extension);
-}
-
-#
# get_sorted_keys(hash_ref, sort_type)
#
@@ -3817,15 +4362,18 @@ sub get_sorted_keys($$)
{
my ($hash, $type) = @_;
- if ($type == 0) {
+ if ($type == $SORT_FILE) {
# Sort by name
return sort(keys(%{$hash}));
- } elsif ($type == 1) {
+ } elsif ($type == $SORT_LINE) {
# Sort by line coverage
- return sort({$hash->{$a}[5] <=> $hash->{$b}[5]} keys(%{$hash}));
- } elsif ($type == 2) {
+ return sort({$hash->{$a}[7] <=> $hash->{$b}[7]} keys(%{$hash}));
+ } elsif ($type == $SORT_FUNC) {
# Sort by function coverage;
- return sort({$hash->{$a}[6] <=> $hash->{$b}[6]} keys(%{$hash}));
+ return sort({$hash->{$a}[8] <=> $hash->{$b}[8]} keys(%{$hash}));
+ } elsif ($type == $SORT_BRANCH) {
+ # Sort by br coverage;
+ return sort({$hash->{$a}[9] <=> $hash->{$b}[9]} keys(%{$hash}));
}
}
@@ -3858,7 +4406,7 @@ sub get_file_code($$$$)
my $link;
if ($sort_button) {
- if ($type == 1) {
+ if ($type == $HEAD_NO_DETAIL) {
$link = "index.$html_ext";
} else {
$link = "index-detail.$html_ext";
@@ -3875,12 +4423,12 @@ sub get_line_code($$$$$)
my $result = $text;
my $sort_link;
- if ($type == 1) {
+ if ($type == $HEAD_NO_DETAIL) {
# Just text
if ($sort_button) {
$sort_link = "index-sort-l.$html_ext";
}
- } elsif ($type == 2) {
+ } elsif ($type == $HEAD_DETAIL_HIDDEN) {
# Text + link to detail view
$result .= ' ( <a class="detail" href="index-detail'.
$fileview_sortname[$sort_type].'.'.$html_ext.
@@ -3910,7 +4458,7 @@ sub get_func_code($$$$)
my $link;
if ($sort_button) {
- if ($type == 1) {
+ if ($type == $HEAD_NO_DETAIL) {
$link = "index-sort-f.$html_ext";
} else {
$link = "index-detail-sort-f.$html_ext";
@@ -3920,9 +4468,26 @@ sub get_func_code($$$$)
return $result;
}
+sub get_br_code($$$$)
+{
+ my ($type, $text, $sort_button, $base) = @_;
+ my $result = $text;
+ my $link;
+
+ if ($sort_button) {
+ if ($type == $HEAD_NO_DETAIL) {
+ $link = "index-sort-b.$html_ext";
+ } else {
+ $link = "index-detail-sort-b.$html_ext";
+ }
+ }
+ $result .= get_sort_code($link, "Sort by branch coverage", $base);
+ return $result;
+}
+
#
# write_file_table(filehandle, base_dir, overview, testhash, testfnchash,
-# fileview, sort_type)
+# testbrhash, fileview, sort_type)
#
# Write a complete file table. OVERVIEW is a reference to a hash containing
# the following mapping:
@@ -3940,70 +4505,107 @@ sub get_func_code($$$$)
# otherwise.
#
-sub write_file_table(*$$$$$$)
+sub write_file_table(*$$$$$$$)
{
local *HTML_HANDLE = $_[0];
my $base_dir = $_[1];
my $overview = $_[2];
my $testhash = $_[3];
my $testfnchash = $_[4];
- my $fileview = $_[5];
- my $sort_type = $_[6];
+ my $testbrhash = $_[5];
+ my $fileview = $_[6];
+ my $sort_type = $_[7];
my $filename;
my $bar_graph;
my $hit;
my $found;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
my $page_link;
my $testname;
my $testdata;
my $testfncdata;
- my $testcount;
- my $testfnccount;
+ my $testbrdata;
my %affecting_tests;
my $line_code = "";
my $func_code;
+ my $br_code;
my $file_code;
+ my @head_columns;
# Determine HTML code for column headings
if (($base_dir ne "") && $show_details)
{
my $detailed = keys(%{$testhash});
- $file_code = get_file_code($detailed ? 2 : 1,
+ $file_code = get_file_code($detailed ? $HEAD_DETAIL_HIDDEN :
+ $HEAD_NO_DETAIL,
$fileview ? "Filename" : "Directory",
- $sort && $sort_type != 0, $base_dir);
- $line_code = get_line_code($detailed ? 3 : 2, $sort_type,
+ $sort && $sort_type != $SORT_FILE,
+ $base_dir);
+ $line_code = get_line_code($detailed ? $HEAD_DETAIL_SHOWN :
+ $HEAD_DETAIL_HIDDEN,
+ $sort_type,
"Line Coverage",
- $sort && $sort_type != 1, $base_dir);
- $func_code = get_func_code($detailed ? 2 : 1, "Functions",
- $sort && $sort_type != 2, $base_dir);
+ $sort && $sort_type != $SORT_LINE,
+ $base_dir);
+ $func_code = get_func_code($detailed ? $HEAD_DETAIL_HIDDEN :
+ $HEAD_NO_DETAIL,
+ "Functions",
+ $sort && $sort_type != $SORT_FUNC,
+ $base_dir);
+ $br_code = get_br_code($detailed ? $HEAD_DETAIL_HIDDEN :
+ $HEAD_NO_DETAIL,
+ "Branches",
+ $sort && $sort_type != $SORT_BRANCH,
+ $base_dir);
} else {
- $file_code = get_file_code(1,
+ $file_code = get_file_code($HEAD_NO_DETAIL,
$fileview ? "Filename" : "Directory",
- $sort && $sort_type != 0, $base_dir);
- $line_code = get_line_code(1, $sort_type, "Line Coverage",
- $sort && $sort_type != 1, $base_dir);
- $func_code = get_func_code(1, "Functions",
- $sort && $sort_type != 2, $base_dir);
- }
-
- write_file_table_prolog(*HTML_HANDLE, $file_code, $line_code,
- $func_code);
+ $sort && $sort_type != $SORT_FILE,
+ $base_dir);
+ $line_code = get_line_code($HEAD_NO_DETAIL, $sort_type, "Line Coverage",
+ $sort && $sort_type != $SORT_LINE,
+ $base_dir);
+ $func_code = get_func_code($HEAD_NO_DETAIL, "Functions",
+ $sort && $sort_type != $SORT_FUNC,
+ $base_dir);
+ $br_code = get_br_code($HEAD_NO_DETAIL, "Branches",
+ $sort && $sort_type != $SORT_BRANCH,
+ $base_dir);
+ }
+ push(@head_columns, [ $line_code, 3 ]);
+ push(@head_columns, [ $func_code, 2]) if ($func_coverage);
+ push(@head_columns, [ $br_code, 2]) if ($br_coverage);
+
+ write_file_table_prolog(*HTML_HANDLE, $file_code, @head_columns);
foreach $filename (get_sorted_keys($overview, $sort_type))
{
- ($found, $hit, $fn_found, $fn_hit, $page_link)
- = @{$overview->{$filename}};
- $bar_graph = get_bar_graph_code($base_dir, $found, $hit);
+ my @columns;
+ ($found, $hit, $fn_found, $fn_hit, $br_found, $br_hit,
+ $page_link) = @{$overview->{$filename}};
+
+ # Line coverage
+ push(@columns, [$found, $hit, $med_limit, $hi_limit, 1]);
+ # Function coverage
+ if ($func_coverage) {
+ push(@columns, [$fn_found, $fn_hit, $fn_med_limit,
+ $fn_hi_limit, 0]);
+ }
+ # Branch coverage
+ if ($br_coverage) {
+ push(@columns, [$br_found, $br_hit, $br_med_limit,
+ $br_hi_limit, 0]);
+ }
+ write_file_table_entry(*HTML_HANDLE, $base_dir, $filename,
+ $page_link, @columns);
$testdata = $testhash->{$filename};
$testfncdata = $testfnchash->{$filename};
-
- write_file_table_entry(*HTML_HANDLE, $filename, $bar_graph,
- $found, $hit, $fn_found, $fn_hit,
- $page_link);
+ $testbrdata = $testbrhash->{$filename};
# Check whether we should write test specific coverage
# as well
@@ -4011,18 +4613,15 @@ sub write_file_table(*$$$$$$)
# Filter out those tests that actually affect this file
%affecting_tests = %{ get_affecting_tests($testdata,
- $testfncdata) };
+ $testfncdata, $testbrdata) };
# Does any of the tests affect this file at all?
if (!%affecting_tests) { next; }
- # Write test details for this entry
- write_file_table_detail_heading(*HTML_HANDLE, "Test name",
- "Lines hit", "Functions hit");
-
foreach $testname (keys(%affecting_tests))
{
- ($found, $hit, $fn_found, $fn_hit) =
+ my @results;
+ ($found, $hit, $fn_found, $fn_hit, $br_found, $br_hit) =
split(",", $affecting_tests{$testname});
# Insert link to description of available
@@ -4033,8 +4632,11 @@ sub write_file_table(*$$$$$$)
"$testname</a>";
}
+ push(@results, [$found, $hit]);
+ push(@results, [$fn_found, $fn_hit]) if ($func_coverage);
+ push(@results, [$br_found, $br_hit]) if ($br_coverage);
write_file_table_detail_entry(*HTML_HANDLE, $testname,
- $found, $hit, $fn_found, $fn_hit);
+ @results);
}
}
@@ -4095,39 +4697,224 @@ sub get_func_found_and_hit($)
#
-# get_affecting_tests(testdata, testfncdata)
+# br_taken_to_num(taken)
+#
+# Convert a branch taken value .info format to number format.
+#
+
+sub br_taken_to_num($)
+{
+ my ($taken) = @_;
+
+ return 0 if ($taken eq '-');
+ return $taken + 1;
+}
+
+
+#
+# br_num_to_taken(taken)
+#
+# Convert a branch taken value in number format to .info format.
+#
+
+sub br_num_to_taken($)
+{
+ my ($taken) = @_;
+
+ return '-' if ($taken == 0);
+ return $taken - 1;
+}
+
+
+#
+# br_taken_add(taken1, taken2)
+#
+# Return the result of taken1 + taken2 for 'branch taken' values.
+#
+
+sub br_taken_add($$)
+{
+ my ($t1, $t2) = @_;
+
+ return $t1 if (!defined($t2));
+ return $t2 if (!defined($t1));
+ return $t1 if ($t2 eq '-');
+ return $t2 if ($t1 eq '-');
+ return $t1 + $t2;
+}
+
+
+#
+# br_taken_sub(taken1, taken2)
+#
+# Return the result of taken1 - taken2 for 'branch taken' values. Return 0
+# if the result would become negative.
+#
+
+sub br_taken_sub($$)
+{
+ my ($t1, $t2) = @_;
+
+ return $t1 if (!defined($t2));
+ return undef if (!defined($t1));
+ return $t1 if ($t1 eq '-');
+ return $t1 if ($t2 eq '-');
+ return 0 if $t2 > $t1;
+ return $t1 - $t2;
+}
+
+
+#
+# br_ivec_len(vector)
+#
+# Return the number of entries in the branch coverage vector.
+#
+
+sub br_ivec_len($)
+{
+ my ($vec) = @_;
+
+ return 0 if (!defined($vec));
+ return (length($vec) * 8 / $BR_VEC_WIDTH) / $BR_VEC_ENTRIES;
+}
+
+
+#
+# br_ivec_get(vector, number)
+#
+# Return an entry from the branch coverage vector.
+#
+
+sub br_ivec_get($$)
+{
+ my ($vec, $num) = @_;
+ my $block;
+ my $branch;
+ my $taken;
+ my $offset = $num * $BR_VEC_ENTRIES;
+
+ # Retrieve data from vector
+ $block = vec($vec, $offset + $BR_BLOCK, $BR_VEC_WIDTH);
+ $branch = vec($vec, $offset + $BR_BRANCH, $BR_VEC_WIDTH);
+ $taken = vec($vec, $offset + $BR_TAKEN, $BR_VEC_WIDTH);
+
+ # Decode taken value from an integer
+ $taken = br_num_to_taken($taken);
+
+ return ($block, $branch, $taken);
+}
+
+
+#
+# br_ivec_push(vector, block, branch, taken)
+#
+# Add an entry to the branch coverage vector. If an entry with the same
+# branch ID already exists, add the corresponding taken values.
+#
+
+sub br_ivec_push($$$$)
+{
+ my ($vec, $block, $branch, $taken) = @_;
+ my $offset;
+ my $num = br_ivec_len($vec);
+ my $i;
+
+ $vec = "" if (!defined($vec));
+
+ # Check if branch already exists in vector
+ for ($i = 0; $i < $num; $i++) {
+ my ($v_block, $v_branch, $v_taken) = br_ivec_get($vec, $i);
+
+ next if ($v_block != $block || $v_branch != $branch);
+
+ # Add taken counts
+ $taken = br_taken_add($taken, $v_taken);
+ last;
+ }
+
+ $offset = $i * $BR_VEC_ENTRIES;
+ $taken = br_taken_to_num($taken);
+
+ # Add to vector
+ vec($vec, $offset + $BR_BLOCK, $BR_VEC_WIDTH) = $block;
+ vec($vec, $offset + $BR_BRANCH, $BR_VEC_WIDTH) = $branch;
+ vec($vec, $offset + $BR_TAKEN, $BR_VEC_WIDTH) = $taken;
+
+ return $vec;
+}
+
+
+#
+# get_br_found_and_hit(sumbrcount)
+#
+# Return (br_found, br_hit) for sumbrcount
+#
+
+sub get_br_found_and_hit($)
+{
+ my ($sumbrcount) = @_;
+ my $line;
+ my $br_found = 0;
+ my $br_hit = 0;
+
+ foreach $line (keys(%{$sumbrcount})) {
+ my $brdata = $sumbrcount->{$line};
+ my $i;
+ my $num = br_ivec_len($brdata);
+
+ for ($i = 0; $i < $num; $i++) {
+ my $taken;
+
+ (undef, undef, $taken) = br_ivec_get($brdata, $i);
+
+ $br_found++;
+ $br_hit++ if ($taken ne "-" && $taken > 0);
+ }
+ }
+
+ return ($br_found, $br_hit);
+}
+
+
+#
+# get_affecting_tests(testdata, testfncdata, testbrdata)
#
# HASHREF contains a mapping filename -> (linenumber -> exec count). Return
# a hash containing mapping filename -> "lines found, lines hit" for each
# filename which has a nonzero hit count.
#
-sub get_affecting_tests($$)
+sub get_affecting_tests($$$)
{
- my $testdata = $_[0];
- my $testfncdata = $_[1];
+ my ($testdata, $testfncdata, $testbrdata) = @_;
my $testname;
my $testcount;
my $testfnccount;
+ my $testbrcount;
my %result;
my $found;
my $hit;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
foreach $testname (keys(%{$testdata}))
{
# Get (line number -> count) hash for this test case
$testcount = $testdata->{$testname};
$testfnccount = $testfncdata->{$testname};
+ $testbrcount = $testbrdata->{$testname};
# Calculate sum
($found, $hit) = get_found_and_hit($testcount);
($fn_found, $fn_hit) = get_func_found_and_hit($testfnccount);
+ ($br_found, $br_hit) = get_br_found_and_hit($testbrcount);
if ($hit>0)
{
- $result{$testname} = "$found,$hit,$fn_found,$fn_hit";
+ $result{$testname} = "$found,$hit,$fn_found,$fn_hit,".
+ "$br_found,$br_hit";
}
}
@@ -4149,7 +4936,7 @@ sub get_hash_reverse($)
#
# write_source(filehandle, source_filename, count_data, checksum_data,
-# converted_data, func_data)
+# converted_data, func_data, sumbrcount)
#
# Write an HTML view of a source code file. Returns a list containing
# data as needed by gen_png().
@@ -4157,7 +4944,7 @@ sub get_hash_reverse($)
# Die on error.
#
-sub write_source($$$$$$)
+sub write_source($$$$$$$)
{
local *HTML_HANDLE = $_[0];
local *SOURCE_HANDLE;
@@ -4168,6 +4955,7 @@ sub write_source($$$$$$)
my $checkdata = $_[3];
my $converted = $_[4];
my $funcdata = $_[5];
+ my $sumbrcount = $_[6];
my $datafunc = get_hash_reverse($funcdata);
my $add_anchor;
@@ -4185,6 +4973,9 @@ sub write_source($$$$$$)
{
chomp($_);
+ # Also remove CR from line-end
+ s/\015$//;
+
# Source code matches coverage data?
if (defined($checkdata->{$line_number}) &&
($checkdata->{$line_number} ne md5_base64($_)))
@@ -4211,7 +5002,7 @@ sub write_source($$$$$$)
write_source_line(HTML_HANDLE, $line_number,
$_, $count_data{$line_number},
$converted->{$line_number},
- $add_anchor));
+ $sumbrcount->{$line_number}, $add_anchor));
}
close(SOURCE_HANDLE);
@@ -4270,7 +5061,8 @@ sub funcview_get_sorted($$$)
#
# write_function_table(filehandle, source_file, sumcount, funcdata,
-# sumfnccount, testfncdata)
+# sumfnccount, testfncdata, sumbrcount, testbrdata,
+# base_name, base_dir, sort_type)
#
# Write an HTML table listing all functions in a source file, including
# also function call counts and line coverages inside of each function.
@@ -4278,7 +5070,7 @@ sub funcview_get_sorted($$$)
# Die on error.
#
-sub write_function_table(*$$$$$$$$)
+sub write_function_table(*$$$$$$$$$$)
{
local *HTML_HANDLE = $_[0];
my $source = $_[1];
@@ -4286,9 +5078,11 @@ sub write_function_table(*$$$$$$$$)
my $funcdata = $_[3];
my $sumfncdata = $_[4];
my $testfncdata = $_[5];
- my $name = $_[6];
- my $base = $_[7];
- my $type = $_[8];
+ my $sumbrcount = $_[6];
+ my $testbrdata = $_[7];
+ my $name = $_[8];
+ my $base = $_[9];
+ my $type = $_[10];
my $func;
my $func_code;
my $count_code;
@@ -4309,11 +5103,23 @@ END_OF_HTML
# Get a sorted table
foreach $func (funcview_get_sorted($funcdata, $sumfncdata, $type)) {
+ if (!defined($funcdata->{$func}))
+ {
+ next;
+ }
+
my $startline = $funcdata->{$func} - $func_offset;
- my $name = escape_html($func);
+ my $name = $func;
my $count = $sumfncdata->{$name};
my $countstyle;
+ # Demangle C++ function names if requested
+ if ($demangle_cpp) {
+ $name = `c++filt "$name"`;
+ chomp($name);
+ }
+ # Escape any remaining special characters
+ $name = escape_html($name);
if ($startline < 1) {
$startline = 1;
}
@@ -4402,14 +5208,16 @@ sub subtract_counts($$)
sub subtract_fnccounts($$)
{
- my %data = %{$_[0]};
- my %base = %{$_[1]};
+ my %data;
+ my %base;
my $func;
my $data_count;
my $base_count;
my $fn_hit = 0;
my $fn_found = 0;
+ %data = %{$_[0]} if (defined($_[0]));
+ %base = %{$_[1]} if (defined($_[1]));
foreach $func (keys(%data)) {
$fn_found++;
$data_count = $data{$func};
@@ -4452,18 +5260,24 @@ sub apply_baseline($$)
my $data_funcdata;
my $data_checkdata;
my $data_testfncdata;
+ my $data_testbrdata;
my $data_count;
my $data_testfnccount;
+ my $data_testbrcount;
my $base;
my $base_checkdata;
my $base_sumfnccount;
+ my $base_sumbrcount;
my $base_count;
my $sumcount;
my $sumfnccount;
+ my $sumbrcount;
my $found;
my $hit;
my $fn_found;
my $fn_hit;
+ my $br_found;
+ my $br_hit;
foreach $filename (keys(%data_hash))
{
@@ -4479,9 +5293,11 @@ sub apply_baseline($$)
# Get set entries for data and baseline
($data_testdata, undef, $data_funcdata, $data_checkdata,
- $data_testfncdata) = get_info_entry($data);
+ $data_testfncdata, undef, $data_testbrdata) =
+ get_info_entry($data);
(undef, $base_count, undef, $base_checkdata, undef,
- $base_sumfnccount) = get_info_entry($base);
+ $base_sumfnccount, undef, $base_sumbrcount) =
+ get_info_entry($base);
# Check for compatible checksums
merge_checksums($data_checkdata, $base_checkdata, $filename);
@@ -4489,6 +5305,7 @@ sub apply_baseline($$)
# sumcount has to be calculated anew
$sumcount = {};
$sumfnccount = {};
+ $sumbrcount = {};
# For each test case, subtract test specific counts
foreach $testname (keys(%{$data_testdata}))
@@ -4496,12 +5313,17 @@ sub apply_baseline($$)
# Get counts of both data and baseline
$data_count = $data_testdata->{$testname};
$data_testfnccount = $data_testfncdata->{$testname};
+ $data_testbrcount = $data_testbrdata->{$testname};
($data_count, undef, $hit) =
subtract_counts($data_count, $base_count);
($data_testfnccount) =
subtract_fnccounts($data_testfnccount,
$base_sumfnccount);
+ ($data_testbrcount) =
+ combine_brcount($data_testbrcount,
+ $base_sumbrcount, $BR_SUB);
+
# Check whether this test case did hit any line at all
if ($hit > 0)
@@ -4510,6 +5332,8 @@ sub apply_baseline($$)
$data_testdata->{$testname} = $data_count;
$data_testfncdata->{$testname} =
$data_testfnccount;
+ $data_testbrdata->{$testname} =
+ $data_testbrcount;
}
else
{
@@ -4517,19 +5341,24 @@ sub apply_baseline($$)
# file
delete($data_testdata->{$testname});
delete($data_testfncdata->{$testname});
+ delete($data_testbrdata->{$testname});
}
# Add counts to sum of counts
($sumcount, $found, $hit) =
add_counts($sumcount, $data_count);
($sumfnccount, $fn_found, $fn_hit) =
- add_fnccounts($sumfnccount, $data_testfnccount);
+ add_fnccount($sumfnccount, $data_testfnccount);
+ ($sumbrcount, $br_found, $br_hit) =
+ combine_brcount($sumbrcount, $data_testbrcount,
+ $BR_ADD);
}
# Write back resulting entry
set_info_entry($data, $data_testdata, $sumcount, $data_funcdata,
$data_checkdata, $data_testfncdata, $sumfnccount,
- $found, $hit, $fn_found, $fn_hit);
+ $data_testbrdata, $sumbrcount, $found, $hit,
+ $fn_found, $fn_hit, $br_found, $br_hit);
$data_hash{$filename} = $data;
}
diff --git a/3rdParty/LCov/geninfo b/3rdParty/LCov/geninfo
index 055641b..dcb1a67 100755
--- a/3rdParty/LCov/geninfo
+++ b/3rdParty/LCov/geninfo
@@ -1,6 +1,6 @@
#!/usr/bin/perl -w
#
-# Copyright (c) International Business Machines Corp., 2002,2007
+# Copyright (c) International Business Machines Corp., 2002,2010
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -51,12 +51,14 @@
use strict;
use File::Basename;
+use File::Spec::Functions qw /abs2rel catdir file_name_is_absolute splitdir
+ splitpath/;
use Getopt::Long;
use Digest::MD5 qw(md5_base64);
# Constants
-our $lcov_version = "LCOV version 1.7";
+our $lcov_version = 'LCOV version 1.9';
our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php";
our $gcov_tool = "gcov";
our $tool_name = basename($0);
@@ -72,34 +74,75 @@ our $COMPAT_HAMMER = "hammer";
our $ERROR_GCOV = 0;
our $ERROR_SOURCE = 1;
+our $ERROR_GRAPH = 2;
+
+our $EXCL_START = "LCOV_EXCL_START";
+our $EXCL_STOP = "LCOV_EXCL_STOP";
+our $EXCL_LINE = "LCOV_EXCL_LINE";
+
+our $BR_LINE = 0;
+our $BR_BLOCK = 1;
+our $BR_BRANCH = 2;
+our $BR_TAKEN = 3;
+our $BR_VEC_ENTRIES = 4;
+our $BR_VEC_WIDTH = 32;
+
+our $UNNAMED_BLOCK = 9999;
# Prototypes
sub print_usage(*);
sub gen_info($);
-sub process_dafile($);
+sub process_dafile($$);
sub match_filename($@);
sub solve_ambiguous_match($$$);
sub split_filename($);
sub solve_relative_path($$);
-sub get_dir($);
sub read_gcov_header($);
sub read_gcov_file($);
-sub read_bb_file($$);
-sub read_string(*$);
-sub read_gcno_file($$);
-sub read_gcno_string(*$);
-sub read_hammer_bbg_file($$);
-sub read_hammer_bbg_string(*$);
-sub unpack_int32($$);
sub info(@);
sub get_gcov_version();
sub system_no_output($@);
sub read_config($);
sub apply_config($);
-sub gen_initial_info($);
-sub process_graphfile($);
+sub get_exclusion_data($);
+sub apply_exclusion_data($$);
+sub process_graphfile($$);
+sub filter_fn_name($);
sub warn_handler($);
sub die_handler($);
+sub graph_error($$);
+sub graph_expect($);
+sub graph_read(*$;$);
+sub graph_skip(*$;$);
+sub sort_uniq(@);
+sub sort_uniq_lex(@);
+sub graph_cleanup($);
+sub graph_find_base($);
+sub graph_from_bb($$$);
+sub graph_add_order($$$);
+sub read_bb_word(*;$);
+sub read_bb_value(*;$);
+sub read_bb_string(*$);
+sub read_bb($$);
+sub read_bbg_word(*;$);
+sub read_bbg_value(*;$);
+sub read_bbg_string(*);
+sub read_bbg_lines_record(*$$$$$$);
+sub read_bbg($$);
+sub read_gcno_word(*;$);
+sub read_gcno_value(*$;$);
+sub read_gcno_string(*$);
+sub read_gcno_lines_record(*$$$$$$$);
+sub read_gcno_function_record(*$$$$);
+sub read_gcno($$);
+sub get_gcov_capabilities();
+sub get_overall_line($$$$);
+sub print_overall_rate($$$$$$$$$);
+sub br_gvec_len($);
+sub br_gvec_get($$);
+sub debug($);
+sub int_handler();
+
# Global variables
our $gcov_version;
@@ -115,7 +158,6 @@ our $version;
our $follow;
our $checksum;
our $no_checksum;
-our $preserve_paths;
our $compat_libtool;
our $no_compat_libtool;
our $adjust_testname;
@@ -127,6 +169,11 @@ our @ignore; # List of errors to ignore (array)
our $initial;
our $no_recursion = 0;
our $maxdepth;
+our $no_markers = 0;
+our $opt_derive_func_data = 0;
+our $debug = 0;
+our $gcov_caps;
+our @gcov_options;
our $cwd = `pwd`;
chomp($cwd);
@@ -141,8 +188,14 @@ $SIG{"INT"} = \&int_handler;
$SIG{__WARN__} = \&warn_handler;
$SIG{__DIE__} = \&die_handler;
+# Prettify version string
+$lcov_version =~ s/\$\s*Revision\s*:?\s*(\S+)\s*\$/$1/;
+
+# Set LANG so that gcov output will be in a unified format
+$ENV{"LANG"} = "C";
+
# Read configuration file if available
-if (-r $ENV{"HOME"}."/.lcovrc")
+if (defined($ENV{"HOME"}) && (-r $ENV{"HOME"}."/.lcovrc"))
{
$config = read_config($ENV{"HOME"}."/.lcovrc");
}
@@ -170,21 +223,24 @@ if ($config)
}
# Parse command line options
-if (!GetOptions("test-name=s" => \$test_name,
- "output-filename=s" => \$output_filename,
+if (!GetOptions("test-name|t=s" => \$test_name,
+ "output-filename|o=s" => \$output_filename,
"checksum" => \$checksum,
"no-checksum" => \$no_checksum,
- "base-directory=s" => \$base_directory,
- "version" =>\$version,
- "quiet" => \$quiet,
- "help|?" => \$help,
- "follow" => \$follow,
+ "base-directory|b=s" => \$base_directory,
+ "version|v" =>\$version,
+ "quiet|q" => \$quiet,
+ "help|h|?" => \$help,
+ "follow|f" => \$follow,
"compat-libtool" => \$compat_libtool,
"no-compat-libtool" => \$no_compat_libtool,
"gcov-tool=s" => \$gcov_tool,
"ignore-errors=s" => \@ignore_errors,
"initial|i" => \$initial,
"no-recursion" => \$no_recursion,
+ "no-markers" => \$no_markers,
+ "derive-func-data" => \$opt_derive_func_data,
+ "debug" => \$debug,
))
{
print(STDERR "Use $tool_name --help to get usage information\n");
@@ -323,6 +379,7 @@ if (@ignore_errors)
{
/^gcov$/ && do { $ignore[$ERROR_GCOV] = 1; next; } ;
/^source$/ && do { $ignore[$ERROR_SOURCE] = 1; next; };
+ /^graph$/ && do { $ignore[$ERROR_GRAPH] = 1; next; };
die("ERROR: unknown argument for --ignore-errors: $_\n");
}
}
@@ -353,11 +410,12 @@ else
$graph_file_extension = ".gcno";
}
-# Check for availability of --preserve-paths option of gcov
-if (`$gcov_tool --help` =~ /--preserve-paths/)
-{
- $preserve_paths = "--preserve-paths";
-}
+# Determine gcov options
+$gcov_caps = get_gcov_capabilities();
+push(@gcov_options, "-b") if ($gcov_caps->{'branch-probabilities'});
+push(@gcov_options, "-c") if ($gcov_caps->{'branch-counts'});
+push(@gcov_options, "-a") if ($gcov_caps->{'all-blocks'});
+push(@gcov_options, "-p") if ($gcov_caps->{'preserve-paths'});
# Check output filename
if (defined($output_filename) && ($output_filename ne "-"))
@@ -378,19 +436,13 @@ if (defined($output_filename) && ($output_filename ne "-"))
}
# Do something
-if ($initial)
-{
- foreach (@data_directory)
- {
- gen_initial_info($_);
- }
+foreach my $entry (@data_directory) {
+ gen_info($entry);
}
-else
-{
- foreach (@data_directory)
- {
- gen_info($_);
- }
+
+if ($initial) {
+ warn("Note: --initial does not generate branch coverage ".
+ "data\n");
}
info("Finished .info-file creation\n");
@@ -426,15 +478,51 @@ sequentially.
--(no-)checksum Enable (disable) line checksumming
--(no-)compat-libtool Enable (disable) libtool compatibility mode
--gcov-tool TOOL Specify gcov tool location
- --ignore-errors ERROR Continue after ERROR (gcov, source)
- --no-recursion Exlude subdirectories from processing
+ --ignore-errors ERROR Continue after ERROR (gcov, source, graph)
+ --no-recursion Exclude subdirectories from processing
--function-coverage Capture function call counts
+ --no-markers Ignore exclusion markers in source code
+ --derive-func-data Generate function data from line data
For more information see: $lcov_url
END_OF_USAGE
;
}
+#
+# get_common_prefix(min_dir, filenames)
+#
+# Return the longest path prefix shared by all filenames. MIN_DIR specifies
+# the minimum number of directories that a filename may have after removing
+# the prefix.
+#
+
+sub get_common_prefix($@)
+{
+ my ($min_dir, @files) = @_;
+ my $file;
+ my @prefix;
+ my $i;
+
+ foreach $file (@files) {
+ my ($v, $d, $f) = splitpath($file);
+ my @comp = splitdir($d);
+
+ if (!@prefix) {
+ @prefix = @comp;
+ next;
+ }
+ for ($i = 0; $i < scalar(@comp) && $i < scalar(@prefix); $i++) {
+ if ($comp[$i] ne $prefix[$i] ||
+ ((scalar(@comp) - ($i + 1)) <= $min_dir)) {
+ delete(@prefix[$i..scalar(@prefix)]);
+ last;
+ }
+ }
+ }
+
+ return catdir(@prefix);
+}
#
# gen_info(directory)
@@ -473,52 +561,166 @@ sub gen_info($)
{
my $directory = $_[0];
my @file_list;
+ my $file;
+ my $prefix;
+ my $type;
+ my $ext;
+
+ if ($initial) {
+ $type = "graph";
+ $ext = $graph_file_extension;
+ } else {
+ $type = "data";
+ $ext = $data_file_extension;
+ }
if (-d $directory)
{
- info("Scanning $directory for $data_file_extension ".
- "files ...\n");
+ info("Scanning $directory for $ext files ...\n");
- @file_list = `find "$directory" $maxdepth $follow -name \\*$data_file_extension -type f 2>/dev/null`;
+ @file_list = `find "$directory" $maxdepth $follow -name \\*$ext -type f 2>/dev/null`;
chomp(@file_list);
- @file_list or die("ERROR: no $data_file_extension files found ".
- "in $directory!\n");
- info("Found %d data files in %s\n", $#file_list+1, $directory);
+ @file_list or
+ die("ERROR: no $ext files found in $directory!\n");
+ $prefix = get_common_prefix(1, @file_list);
+ info("Found %d %s files in %s\n", $#file_list+1, $type,
+ $directory);
}
else
{
@file_list = ($directory);
+ $prefix = "";
}
# Process all files in list
- foreach (@file_list) { process_dafile($_); }
+ foreach $file (@file_list) {
+ # Process file
+ if ($initial) {
+ process_graphfile($file, $prefix);
+ } else {
+ process_dafile($file, $prefix);
+ }
+ }
}
+sub derive_data($$$)
+{
+ my ($contentdata, $funcdata, $bbdata) = @_;
+ my @gcov_content = @{$contentdata};
+ my @gcov_functions = @{$funcdata};
+ my %fn_count;
+ my %ln_fn;
+ my $line;
+ my $maxline;
+ my %fn_name;
+ my $fn;
+ my $count;
+
+ if (!defined($bbdata)) {
+ return @gcov_functions;
+ }
+
+ # First add existing function data
+ while (@gcov_functions) {
+ $count = shift(@gcov_functions);
+ $fn = shift(@gcov_functions);
+
+ $fn_count{$fn} = $count;
+ }
+
+ # Convert line coverage data to function data
+ foreach $fn (keys(%{$bbdata})) {
+ my $line_data = $bbdata->{$fn};
+ my $line;
+
+ if ($fn eq "") {
+ next;
+ }
+ # Find the lowest line count for this function
+ $count = 0;
+ foreach $line (@$line_data) {
+ my $lcount = $gcov_content[ ( $line - 1 ) * 3 + 1 ];
+
+ if (($lcount > 0) &&
+ (($count == 0) || ($lcount < $count))) {
+ $count = $lcount;
+ }
+ }
+ $fn_count{$fn} = $count;
+ }
+
+
+ # Check if we got data for all functions
+ foreach $fn (keys(%fn_name)) {
+ if ($fn eq "") {
+ next;
+ }
+ if (defined($fn_count{$fn})) {
+ next;
+ }
+ warn("WARNING: no derived data found for function $fn\n");
+ }
+
+ # Convert hash to list in @gcov_functions format
+ foreach $fn (sort(keys(%fn_count))) {
+ push(@gcov_functions, $fn_count{$fn}, $fn);
+ }
+
+ return @gcov_functions;
+}
+
#
-# process_dafile(da_filename)
+# get_filenames(directory, pattern)
#
-# Create a .info file for a single data file.
+# Return a list of filenames found in directory which match the specified
+# pattern.
#
# Die on error.
#
-sub process_dafile($)
+sub get_filenames($$)
{
- info("Processing %s\n", $_[0]);
+ my ($dirname, $pattern) = @_;
+ my @result;
+ my $directory;
+ local *DIR;
+ opendir(DIR, $dirname) or
+ die("ERROR: cannot read directory $dirname\n");
+ while ($directory = readdir(DIR)) {
+ push(@result, $directory) if ($directory =~ /$pattern/);
+ }
+ closedir(DIR);
+
+ return @result;
+}
+
+#
+# process_dafile(da_filename, dir)
+#
+# Create a .info file for a single data file.
+#
+# Die on error.
+#
+
+sub process_dafile($$)
+{
+ my ($file, $dir) = @_;
my $da_filename; # Name of data file to process
my $da_dir; # Directory of data file
my $source_dir; # Directory of source file
my $da_basename; # data filename without ".da/.gcda" extension
my $bb_filename; # Name of respective graph file
- my %bb_content; # Contents of graph file
+ my $bb_basename; # Basename of the original graph file
+ my $graph; # Contents of graph file
+ my $instr; # Contents of graph file part 2
my $gcov_error; # Error code of gcov tool
my $object_dir; # Directory containing all object files
my $source_filename; # Name of a source code file
my $gcov_file; # Name of a .gcov file
my @gcov_content; # Content of a .gcov file
- my @gcov_branches; # Branch content of a .gcov file
+ my $gcov_branches; # Branch content of a .gcov file
my @gcov_functions; # Function calls of a .gcov file
my @gcov_list; # List of generated .gcov files
my $line_number; # Line number count
@@ -526,19 +728,23 @@ sub process_dafile($)
my $lines_found; # Number of instrumented lines found
my $funcs_hit; # Number of instrumented functions hit
my $funcs_found; # Number of instrumented functions found
+ my $br_hit;
+ my $br_found;
my $source; # gcov source header information
my $object; # gcov object header information
my @matches; # List of absolute paths matching filename
my @unprocessed; # List of unprocessed source code files
my $base_dir; # Base directory for current file
+ my @tmp_links; # Temporary links to be cleaned up
my @result;
my $index;
my $da_renamed; # If data file is to be renamed
local *INFO_HANDLE;
+ info("Processing %s\n", abs2rel($file, $dir));
# Get path to data file in absolute and normalized form (begins with /,
# contains no more ../ or ./)
- $da_filename = solve_relative_path($cwd, $_[0]);
+ $da_filename = solve_relative_path($cwd, $file);
# Get directory and basename of data file
($da_dir, $da_basename) = split_filename($da_filename);
@@ -577,7 +783,8 @@ sub process_dafile($)
}
# Construct name of graph file
- $bb_filename = $da_dir."/".$da_basename.$graph_file_extension;
+ $bb_basename = $da_basename.$graph_file_extension;
+ $bb_filename = "$da_dir/$bb_basename";
# Find out the real location of graph file in case we're just looking at
# a link
@@ -603,17 +810,16 @@ sub process_dafile($)
{
if (defined($compatibility) && $compatibility eq $COMPAT_HAMMER)
{
- %bb_content = read_hammer_bbg_file($bb_filename,
- $base_dir);
+ ($instr, $graph) = read_bbg($bb_filename, $base_dir);
}
else
{
- %bb_content = read_bb_file($bb_filename, $base_dir);
+ ($instr, $graph) = read_bb($bb_filename, $base_dir);
}
}
else
{
- %bb_content = read_gcno_file($bb_filename, $base_dir);
+ ($instr, $graph) = read_gcno($bb_filename, $base_dir);
}
# Set $object_dir to real location of object files. This may differ
@@ -630,6 +836,17 @@ sub process_dafile($)
"$object_dir/$da_basename$data_file_extension")
and die ("ERROR: cannot create link $object_dir/".
"$da_basename$data_file_extension!\n");
+ push(@tmp_links,
+ "$object_dir/$da_basename$data_file_extension");
+ # Need to create link to graph file if basename of link
+ # and file are different (CONFIG_MODVERSION compat)
+ if ((basename($bb_filename) ne $bb_basename) &&
+ (! -e "$object_dir/$bb_basename")) {
+ symlink($bb_filename, "$object_dir/$bb_basename") or
+ warn("WARNING: cannot create link ".
+ "$object_dir/$bb_basename\n");
+ push(@tmp_links, "$object_dir/$bb_basename");
+ }
}
# Change to directory containing data files and apply GCOV
@@ -644,19 +861,8 @@ sub process_dafile($)
}
# Execute gcov command and suppress standard output
- if ($preserve_paths)
- {
- $gcov_error = system_no_output(1, $gcov_tool, $da_filename,
- "-o", $object_dir,
- "--preserve-paths",
- "-b");
- }
- else
- {
- $gcov_error = system_no_output(1, $gcov_tool, $da_filename,
- "-o", $object_dir,
- "-b");
- }
+ $gcov_error = system_no_output(1, $gcov_tool, $da_filename,
+ "-o", $object_dir, @gcov_options);
if ($da_renamed)
{
@@ -664,10 +870,9 @@ sub process_dafile($)
and die ("ERROR: cannot rename $da_filename.ori");
}
- # Clean up link
- if ($object_dir ne $da_dir)
- {
- unlink($object_dir."/".$da_basename.$data_file_extension);
+ # Clean up temporary links
+ foreach (@tmp_links) {
+ unlink($_);
}
if ($gcov_error)
@@ -681,7 +886,7 @@ sub process_dafile($)
}
# Collect data from resulting .gcov files and create .info file
- @gcov_list = glob("*.gcov");
+ @gcov_list = get_filenames('.', '\.gcov$');
# Check for files
if (!@gcov_list)
@@ -717,9 +922,12 @@ sub process_dafile($)
# Traverse the list of generated .gcov files and combine them into a
# single .info file
- @unprocessed = keys(%bb_content);
- foreach $gcov_file (@gcov_list)
+ @unprocessed = keys(%{$instr});
+ foreach $gcov_file (sort(@gcov_list))
{
+ my $i;
+ my $num;
+
($source, $object) = read_gcov_header($gcov_file);
if (defined($source))
@@ -742,7 +950,7 @@ sub process_dafile($)
}
@matches = match_filename(defined($source) ? $source :
- $gcov_file, keys(%bb_content));
+ $gcov_file, keys(%{$instr}));
# Skip files that are not mentioned in the graph file
if (!@matches)
@@ -756,8 +964,14 @@ sub process_dafile($)
# Read in contents of gcov file
@result = read_gcov_file($gcov_file);
+ if (!defined($result[0])) {
+ warn("WARNING: skipping unreadable file ".
+ $gcov_file."\n");
+ unlink($gcov_file);
+ next;
+ }
@gcov_content = @{$result[0]};
- @gcov_branches = @{$result[1]};
+ $gcov_branches = $result[1];
@gcov_functions = @{$result[2]};
# Skip empty files
@@ -793,19 +1007,48 @@ sub process_dafile($)
# Write absolute path of source file
printf(INFO_HANDLE "SF:%s\n", $source_filename);
+ # If requested, derive function coverage data from
+ # line coverage data of the first line of a function
+ if ($opt_derive_func_data) {
+ @gcov_functions =
+ derive_data(\@gcov_content, \@gcov_functions,
+ $graph->{$source_filename});
+ }
+
# Write function-related information
- if (defined($bb_content{$source_filename}))
+ if (defined($graph->{$source_filename}))
{
- foreach (split(",",$bb_content{$source_filename}))
- {
- my ($fn, $line) = split("=", $_);
+ my $fn_data = $graph->{$source_filename};
+ my $fn;
+ foreach $fn (sort
+ {$fn_data->{$a}->[0] <=> $fn_data->{$b}->[0]}
+ keys(%{$fn_data})) {
+ my $ln_data = $fn_data->{$fn};
+ my $line = $ln_data->[0];
+
+ # Skip empty function
if ($fn eq "") {
next;
}
+ # Remove excluded functions
+ if (!$no_markers) {
+ my $gfn;
+ my $found = 0;
+
+ foreach $gfn (@gcov_functions) {
+ if ($gfn eq $fn) {
+ $found = 1;
+ last;
+ }
+ }
+ if (!$found) {
+ next;
+ }
+ }
# Normalize function name
- $fn =~ s/\W/_/g;
+ $fn = filter_fn_name($fn);
print(INFO_HANDLE "FN:$line,$fn\n");
}
@@ -820,18 +1063,42 @@ sub process_dafile($)
$funcs_hit = 0;
while (@gcov_functions)
{
- printf(INFO_HANDLE "FNDA:%s,%s\n",
- $gcov_functions[0],
- $gcov_functions[1]);
- $funcs_found++;
- $funcs_hit++ if $gcov_functions[0];
- splice(@gcov_functions,0,2);
+ my $count = shift(@gcov_functions);
+ my $fn = shift(@gcov_functions);
+
+ $fn = filter_fn_name($fn);
+ printf(INFO_HANDLE "FNDA:$count,$fn\n");
+ $funcs_found++;
+ $funcs_hit++ if ($count > 0);
}
if ($funcs_found > 0) {
printf(INFO_HANDLE "FNF:%s\n", $funcs_found);
printf(INFO_HANDLE "FNH:%s\n", $funcs_hit);
}
+ # Write coverage information for each instrumented branch:
+ #
+ # BRDA:<line number>,<block number>,<branch number>,<taken>
+ #
+ # where 'taken' is the number of times the branch was taken
+ # or '-' if the block to which the branch belongs was never
+ # executed
+ $br_found = 0;
+ $br_hit = 0;
+ $num = br_gvec_len($gcov_branches);
+ for ($i = 0; $i < $num; $i++) {
+ my ($line, $block, $branch, $taken) =
+ br_gvec_get($gcov_branches, $i);
+
+ print(INFO_HANDLE "BRDA:$line,$block,$branch,$taken\n");
+ $br_found++;
+ $br_hit++ if ($taken ne '-' && $taken > 0);
+ }
+ if ($br_found > 0) {
+ printf(INFO_HANDLE "BRF:%s\n", $br_found);
+ printf(INFO_HANDLE "BRH:%s\n", $br_hit);
+ }
+
# Reset line counters
$line_number = 0;
$lines_found = 0;
@@ -862,27 +1129,6 @@ sub process_dafile($)
splice(@gcov_content,0,3);
}
- #--
- #-- BA: <code-line>, <branch-coverage>
- #--
- #-- print one BA line for every branch of a
- #-- conditional. <branch-coverage> values
- #-- are:
- #-- 0 - not executed
- #-- 1 - executed but not taken
- #-- 2 - executed and taken
- #--
- while (@gcov_branches)
- {
- if ($gcov_branches[0])
- {
- printf(INFO_HANDLE "BA:%s,%s\n",
- $gcov_branches[0],
- $gcov_branches[1]);
- }
- splice(@gcov_branches,0,2);
- }
-
# Write line statistics and section separator
printf(INFO_HANDLE "LF:%s\n", $lines_found);
printf(INFO_HANDLE "LH:%s\n", $lines_hit);
@@ -958,28 +1204,42 @@ sub solve_relative_path($$)
sub match_filename($@)
{
- my $filename = shift;
- my @list = @_;
+ my ($filename, @list) = @_;
+ my ($vol, $dir, $file) = splitpath($filename);
+ my @comp = splitdir($dir);
+ my $comps = scalar(@comp);
+ my $entry;
my @result;
- $filename =~ s/^(.*).gcov$/$1/;
-
- if ($filename =~ /^\/(.*)$/)
- {
- $filename = "$1";
- }
+entry:
+ foreach $entry (@list) {
+ my ($evol, $edir, $efile) = splitpath($entry);
+ my @ecomp;
+ my $ecomps;
+ my $i;
- foreach (@list)
- {
- if (/\/\Q$filename\E(.*)$/ && $1 eq "")
- {
- @result = (@result, $_);
+ # Filename component must match
+ if ($efile ne $file) {
+ next;
}
+ # Check directory components last to first for match
+ @ecomp = splitdir($edir);
+ $ecomps = scalar(@ecomp);
+ if ($ecomps < $comps) {
+ next;
+ }
+ for ($i = 0; $i < $comps; $i++) {
+ if ($comp[$comps - $i - 1] ne
+ $ecomp[$ecomps - $i - 1]) {
+ next entry;
+ }
+ }
+ push(@result, $entry),
}
+
return @result;
}
-
#
# solve_ambiguous_match(rel_filename, matches_ref, gcov_content_ref)
#
@@ -1014,6 +1274,9 @@ sub solve_ambiguous_match($$$)
{
chomp;
+ # Also remove CR from line-end
+ s/\015$//;
+
if ($_ ne @$content[$index])
{
$no_match = 1;
@@ -1052,21 +1315,6 @@ sub split_filename($)
#
-# get_dir(filename);
-#
-# Return the directory component of a given FILENAME.
-#
-
-sub get_dir($)
-{
- my @components = split("/", $_[0]);
- pop(@components);
-
- return join("/", @components);
-}
-
-
-#
# read_gcov_header(gcov_filename)
#
# Parse file GCOV_FILENAME and return a list containing the following
@@ -1102,6 +1350,9 @@ sub read_gcov_header($)
{
chomp($_);
+ # Also remove CR from line-end
+ s/\015$//;
+
if (/^\s+-:\s+0:Source:(.*)$/)
{
# Source: header entry
@@ -1125,6 +1376,84 @@ sub read_gcov_header($)
#
+# br_gvec_len(vector)
+#
+# Return the number of entries in the branch coverage vector.
+#
+
+sub br_gvec_len($)
+{
+ my ($vec) = @_;
+
+ return 0 if (!defined($vec));
+ return (length($vec) * 8 / $BR_VEC_WIDTH) / $BR_VEC_ENTRIES;
+}
+
+
+#
+# br_gvec_get(vector, number)
+#
+# Return an entry from the branch coverage vector.
+#
+
+sub br_gvec_get($$)
+{
+ my ($vec, $num) = @_;
+ my $line;
+ my $block;
+ my $branch;
+ my $taken;
+ my $offset = $num * $BR_VEC_ENTRIES;
+
+ # Retrieve data from vector
+ $line = vec($vec, $offset + $BR_LINE, $BR_VEC_WIDTH);
+ $block = vec($vec, $offset + $BR_BLOCK, $BR_VEC_WIDTH);
+ $branch = vec($vec, $offset + $BR_BRANCH, $BR_VEC_WIDTH);
+ $taken = vec($vec, $offset + $BR_TAKEN, $BR_VEC_WIDTH);
+
+ # Decode taken value from an integer
+ if ($taken == 0) {
+ $taken = "-";
+ } else {
+ $taken--;
+ }
+
+ return ($line, $block, $branch, $taken);
+}
+
+
+#
+# br_gvec_push(vector, line, block, branch, taken)
+#
+# Add an entry to the branch coverage vector.
+#
+
+sub br_gvec_push($$$$$)
+{
+ my ($vec, $line, $block, $branch, $taken) = @_;
+ my $offset;
+
+ $vec = "" if (!defined($vec));
+ $offset = br_gvec_len($vec) * $BR_VEC_ENTRIES;
+
+ # Encode taken value into an integer
+ if ($taken eq "-") {
+ $taken = 0;
+ } else {
+ $taken++;
+ }
+
+ # Add to vector
+ vec($vec, $offset + $BR_LINE, $BR_VEC_WIDTH) = $line;
+ vec($vec, $offset + $BR_BLOCK, $BR_VEC_WIDTH) = $block;
+ vec($vec, $offset + $BR_BRANCH, $BR_VEC_WIDTH) = $branch;
+ vec($vec, $offset + $BR_TAKEN, $BR_VEC_WIDTH) = $taken;
+
+ return $vec;
+}
+
+
+#
# read_gcov_file(gcov_filename)
#
# Parse file GCOV_FILENAME (.gcov file format) and return the list:
@@ -1137,8 +1466,8 @@ sub read_gcov_header($)
# $result[($line_number-1)*3+1] = execution count for line $line_number
# $result[($line_number-1)*3+2] = source code text for line $line_number
#
-# gcov_branch is a list of 2 elements
-# (linenumber, branch result) for each branch
+# gcov_branch is a vector of 4 4-byte long elements for each branch:
+# line number, block number, branch number, count + 1 or 0
#
# gcov_func is a list of 2 elements
# (number of calls, function name) for each function
@@ -1150,13 +1479,23 @@ sub read_gcov_file($)
{
my $filename = $_[0];
my @result = ();
- my @branches = ();
+ my $branches = "";
my @functions = ();
my $number;
+ my $exclude_flag = 0;
+ my $exclude_line = 0;
+ my $last_block = $UNNAMED_BLOCK;
+ my $last_line = 0;
local *INPUT;
- open(INPUT, $filename)
- or die("ERROR: cannot read $filename!\n");
+ if (!open(INPUT, $filename)) {
+ if ($ignore_errors[$ERROR_GCOV])
+ {
+ warn("WARNING: cannot read $filename!\n");
+ return (undef, undef, undef);
+ }
+ die("ERROR: cannot read $filename!\n");
+ }
if ($gcov_version < $GCOV_VERSION_3_3_0)
{
@@ -1165,29 +1504,17 @@ sub read_gcov_file($)
{
chomp($_);
- if (/^\t\t(.*)$/)
- {
- # Uninstrumented line
- push(@result, 0);
- push(@result, 0);
- push(@result, $1);
- }
- elsif (/^branch/)
- {
- # Branch execution data
- push(@branches, scalar(@result) / 3);
- if (/^branch \d+ never executed$/)
- {
- push(@branches, 0);
- }
- elsif (/^branch \d+ taken = 0%/)
- {
- push(@branches, 1);
- }
- else
- {
- push(@branches, 2);
- }
+ # Also remove CR from line-end
+ s/\015$//;
+
+ if (/^branch\s+(\d+)\s+taken\s+=\s+(\d+)/) {
+ next if ($exclude_line);
+ $branches = br_gvec_push($branches, $last_line,
+ $last_block, $1, $2);
+ } elsif (/^branch\s+(\d+)\s+never\s+executed/) {
+ next if ($exclude_line);
+ $branches = br_gvec_push($branches, $last_line,
+ $last_block, $1, '-');
}
elsif (/^call/ || /^function/)
{
@@ -1195,15 +1522,43 @@ sub read_gcov_file($)
}
else
{
+ $last_line++;
+ # Check for exclusion markers
+ if (!$no_markers) {
+ if (/$EXCL_STOP/) {
+ $exclude_flag = 0;
+ } elsif (/$EXCL_START/) {
+ $exclude_flag = 1;
+ }
+ if (/$EXCL_LINE/ || $exclude_flag) {
+ $exclude_line = 1;
+ } else {
+ $exclude_line = 0;
+ }
+ }
# Source code execution data
+ if (/^\t\t(.*)$/)
+ {
+ # Uninstrumented line
+ push(@result, 0);
+ push(@result, 0);
+ push(@result, $1);
+ next;
+ }
$number = (split(" ",substr($_, 0, 16)))[0];
# Check for zero count which is indicated
# by ######
if ($number eq "######") { $number = 0; }
- push(@result, 1);
- push(@result, $number);
+ if ($exclude_line) {
+ # Register uninstrumented line instead
+ push(@result, 0);
+ push(@result, 0);
+ } else {
+ push(@result, 1);
+ push(@result, $number);
+ }
push(@result, substr($_, 16));
}
}
@@ -1215,25 +1570,28 @@ sub read_gcov_file($)
{
chomp($_);
- if (/^branch\s+\d+\s+(\S+)\s+(\S+)/)
- {
- # Branch execution data
- push(@branches, scalar(@result) / 3);
- if ($1 eq "never")
- {
- push(@branches, 0);
- }
- elsif ($2 eq "0%")
- {
- push(@branches, 1);
- }
- else
- {
- push(@branches, 2);
- }
+ # Also remove CR from line-end
+ s/\015$//;
+
+ if (/^\s*(\d+|\$+):\s*(\d+)-block\s+(\d+)\s*$/) {
+ # Block information - used to group related
+ # branches
+ $last_line = $2;
+ $last_block = $3;
+ } elsif (/^branch\s+(\d+)\s+taken\s+(\d+)/) {
+ next if ($exclude_line);
+ $branches = br_gvec_push($branches, $last_line,
+ $last_block, $1, $2);
+ } elsif (/^branch\s+(\d+)\s+never\s+executed/) {
+ next if ($exclude_line);
+ $branches = br_gvec_push($branches, $last_line,
+ $last_block, $1, '-');
}
elsif (/^function\s+(\S+)\s+called\s+(\d+)/)
{
+ if ($exclude_line) {
+ next;
+ }
push(@functions, $2, $1);
}
elsif (/^call/)
@@ -1242,580 +1600,59 @@ sub read_gcov_file($)
}
elsif (/^\s*([^:]+):\s*([^:]+):(.*)$/)
{
+ my ($count, $line, $code) = ($1, $2, $3);
+
+ $last_line = $line;
+ $last_block = $UNNAMED_BLOCK;
+ # Check for exclusion markers
+ if (!$no_markers) {
+ if (/$EXCL_STOP/) {
+ $exclude_flag = 0;
+ } elsif (/$EXCL_START/) {
+ $exclude_flag = 1;
+ }
+ if (/$EXCL_LINE/ || $exclude_flag) {
+ $exclude_line = 1;
+ } else {
+ $exclude_line = 0;
+ }
+ }
# <exec count>:<line number>:<source code>
- if ($2 eq "0")
+ if ($line eq "0")
{
# Extra data
}
- elsif ($1 eq "-")
+ elsif ($count eq "-")
{
# Uninstrumented line
push(@result, 0);
push(@result, 0);
- push(@result, $3);
+ push(@result, $code);
}
else
{
- # Source code execution data
- $number = $1;
-
- # Check for zero count
- if ($number eq "#####") { $number = 0; }
-
- push(@result, 1);
- push(@result, $number);
- push(@result, $3);
- }
- }
- }
- }
-
- close(INPUT);
- return(\@result, \@branches, \@functions);
-}
-
-
-#
-# read_bb_file(bb_filename, base_dir)
-#
-# Read .bb file BB_FILENAME and return a hash containing the following
-# mapping:
-#
-# filename -> comma-separated list of pairs (function name=starting
-# line number) to indicate the starting line of a function or
-# =name to indicate an instrumented line
-#
-# for each entry in the .bb file. Filenames are absolute, i.e. relative
-# filenames are prefixed with BASE_DIR.
-#
-# Die on error.
-#
-
-sub read_bb_file($$)
-{
- my $bb_filename = $_[0];
- my $base_dir = $_[1];
- my %result;
- my $filename;
- my $function_name;
- my $minus_one = sprintf("%d", 0x80000001);
- my $minus_two = sprintf("%d", 0x80000002);
- my $value;
- my $packed_word;
- local *INPUT;
-
- open(INPUT, $bb_filename)
- or die("ERROR: cannot read $bb_filename!\n");
-
- binmode(INPUT);
-
- # Read data in words of 4 bytes
- while (read(INPUT, $packed_word, 4) == 4)
- {
- # Decode integer in intel byteorder
- $value = unpack_int32($packed_word, 0);
-
- # Note: the .bb file format is documented in GCC info pages
- if ($value == $minus_one)
- {
- # Filename follows
- $filename = read_string(*INPUT, $minus_one)
- or die("ERROR: incomplete filename in ".
- "$bb_filename!\n");
-
- # Make path absolute
- $filename = solve_relative_path($base_dir, $filename);
-
- # Insert into hash if not yet present.
- # This is necessary because functions declared as
- # "inline" are not listed as actual functions in
- # .bb files
- if (!$result{$filename})
- {
- $result{$filename}="";
- }
- }
- elsif ($value == $minus_two)
- {
- # Function name follows
- $function_name = read_string(*INPUT, $minus_two)
- or die("ERROR: incomplete function ".
- "name in $bb_filename!\n");
- $function_name =~ s/\W/_/g;
- }
- elsif ($value > 0)
- {
- if (defined($filename))
- {
- $result{$filename} .=
- ($result{$filename} ? "," : "").
- "=$value";
- }
- else
- {
- warn("WARNING: unassigned line".
- " number in .bb file ".
- "$bb_filename\n");
- }
- if ($function_name)
- {
- # Got a full entry filename, funcname, lineno
- # Add to resulting hash
-
- $result{$filename}.=
- ($result{$filename} ? "," : "").
- join("=",($function_name,$value));
- undef($function_name);
- }
- }
- }
- close(INPUT);
-
- if (!scalar(keys(%result)))
- {
- die("ERROR: no data found in $bb_filename!\n");
- }
- return %result;
-}
-
-
-#
-# read_string(handle, delimiter);
-#
-# Read and return a string in 4-byte chunks from HANDLE until DELIMITER
-# is found.
-#
-# Return empty string on error.
-#
-
-sub read_string(*$)
-{
- my $HANDLE = $_[0];
- my $delimiter = $_[1];
- my $string = "";
- my $packed_word;
- my $value;
-
- while (read($HANDLE,$packed_word,4) == 4)
- {
- $value = unpack_int32($packed_word, 0);
-
- if ($value == $delimiter)
- {
- # Remove trailing nil bytes
- $/="\0";
- while (chomp($string)) {};
- $/="\n";
- return($string);
- }
-
- $string = $string.$packed_word;
- }
- return("");
-}
-
-
-#
-# read_gcno_file(bb_filename, base_dir)
-#
-# Read .gcno file BB_FILENAME and return a hash containing the following
-# mapping:
-#
-# filename -> comma-separated list of pairs (function name=starting
-# line number) to indicate the starting line of a function or
-# =name to indicate an instrumented line
-#
-# for each entry in the .gcno file. Filenames are absolute, i.e. relative
-# filenames are prefixed with BASE_DIR.
-#
-# Die on error.
-#
-
-sub read_gcno_file($$)
-{
- my $gcno_filename = $_[0];
- my $base_dir = $_[1];
- my %result;
- my $filename;
- my $function_name;
- my $lineno;
- my $length;
- my $value;
- my $endianness;
- my $blocks;
- my $packed_word;
- my $string;
- local *INPUT;
-
- open(INPUT, $gcno_filename)
- or die("ERROR: cannot read $gcno_filename!\n");
-
- binmode(INPUT);
-
- read(INPUT, $packed_word, 4) == 4
- or die("ERROR: Invalid gcno file format\n");
-
- $value = unpack_int32($packed_word, 0);
- $endianness = !($value == $GCNO_FILE_MAGIC);
-
- unpack_int32($packed_word, $endianness) == $GCNO_FILE_MAGIC
- or die("ERROR: gcno file magic does not match\n");
-
- seek(INPUT, 8, 1);
-
- # Read data in words of 4 bytes
- while (read(INPUT, $packed_word, 4) == 4)
- {
- # Decode integer in intel byteorder
- $value = unpack_int32($packed_word, $endianness);
-
- if ($value == $GCNO_FUNCTION_TAG)
- {
- # skip length, ident and checksum
- seek(INPUT, 12, 1);
- (undef, $function_name) =
- read_gcno_string(*INPUT, $endianness);
- $function_name =~ s/\W/_/g;
- (undef, $filename) =
- read_gcno_string(*INPUT, $endianness);
- $filename = solve_relative_path($base_dir, $filename);
-
- read(INPUT, $packed_word, 4);
- $lineno = unpack_int32($packed_word, $endianness);
-
- $result{$filename}.=
- ($result{$filename} ? "," : "").
- join("=",($function_name,$lineno));
- }
- elsif ($value == $GCNO_LINES_TAG)
- {
- # Check for names of files containing inlined code
- # included in this file
- read(INPUT, $packed_word, 4);
- $length = unpack_int32($packed_word, $endianness);
- if ($length > 0)
- {
- # Block number
- read(INPUT, $packed_word, 4);
- $length--;
- }
- while ($length > 0)
- {
- read(INPUT, $packed_word, 4);
- $lineno = unpack_int32($packed_word,
- $endianness);
- $length--;
- if ($lineno != 0)
- {
- if (defined($filename))
- {
- $result{$filename} .=
- ($result{$filename} ? "," : "").
- "=$lineno";
+ if ($exclude_line) {
+ push(@result, 0);
+ push(@result, 0);
+ } else {
+ # Check for zero count
+ if ($count eq "#####") {
+ $count = 0;
+ }
+ push(@result, 1);
+ push(@result, $count);
}
- else
- {
- warn("WARNING: unassigned line".
- " number in .gcno file ".
- "$gcno_filename\n");
- }
- next;
+ push(@result, $code);
}
- last if ($length == 0);
- ($blocks, $string) =
- read_gcno_string(*INPUT, $endianness);
- if (defined($string))
- {
- $filename = $string;
- }
- if ($blocks > 1)
- {
- $filename = solve_relative_path(
- $base_dir, $filename);
- if (!defined($result{$filename}))
- {
- $result{$filename} = "";
- }
- }
- $length -= $blocks;
}
}
- else
- {
- read(INPUT, $packed_word, 4);
- $length = unpack_int32($packed_word, $endianness);
- seek(INPUT, 4 * $length, 1);
- }
- }
- close(INPUT);
-
- if (!scalar(keys(%result)))
- {
- die("ERROR: no data found in $gcno_filename!\n");
- }
- return %result;
-}
-
-
-#
-# read_gcno_string(handle, endianness);
-#
-# Read a string in 4-byte chunks from HANDLE.
-#
-# Return (number of 4-byte chunks read, string).
-#
-
-sub read_gcno_string(*$)
-{
- my $handle = $_[0];
- my $endianness = $_[1];
- my $number_of_blocks = 0;
- my $string = "";
- my $packed_word;
-
- read($handle, $packed_word, 4) == 4
- or die("ERROR: reading string\n");
-
- $number_of_blocks = unpack_int32($packed_word, $endianness);
-
- if ($number_of_blocks == 0)
- {
- return (1, undef);
- }
-
- if (read($handle, $packed_word, 4 * $number_of_blocks) !=
- 4 * $number_of_blocks)
- {
- my $msg = "invalid string size ".(4 * $number_of_blocks)." in ".
- "gcno file at position ".tell($handle)."\n";
- if ($ignore[$ERROR_SOURCE])
- {
- warn("WARNING: $msg");
- return (1, undef);
- }
- else
- {
- die("ERROR: $msg");
- }
}
- $string = $string . $packed_word;
-
- # Remove trailing nil bytes
- $/="\0";
- while (chomp($string)) {};
- $/="\n";
-
- return(1 + $number_of_blocks, $string);
-}
-
-
-#
-# read_hammer_bbg_file(bb_filename, base_dir)
-#
-# Read .bbg file BB_FILENAME and return a hash containing the following
-# mapping:
-#
-# filename -> comma-separated list of pairs (function name=starting
-# line number) to indicate the starting line of a function or
-# =name to indicate an instrumented line
-#
-# for each entry in the .bbg file. Filenames are absolute, i.e. relative
-# filenames are prefixed with BASE_DIR.
-#
-# Die on error.
-#
-
-sub read_hammer_bbg_file($$)
-{
- my $bbg_filename = $_[0];
- my $base_dir = $_[1];
- my %result;
- my $filename;
- my $function_name;
- my $first_line;
- my $lineno;
- my $length;
- my $value;
- my $endianness;
- my $blocks;
- my $packed_word;
- local *INPUT;
-
- open(INPUT, $bbg_filename)
- or die("ERROR: cannot read $bbg_filename!\n");
-
- binmode(INPUT);
-
- # Read magic
- read(INPUT, $packed_word, 4) == 4
- or die("ERROR: invalid bbg file format\n");
-
- $endianness = 1;
-
- unpack_int32($packed_word, $endianness) == $BBG_FILE_MAGIC
- or die("ERROR: bbg file magic does not match\n");
-
- # Skip version
- seek(INPUT, 4, 1);
-
- # Read data in words of 4 bytes
- while (read(INPUT, $packed_word, 4) == 4)
- {
- # Get record tag
- $value = unpack_int32($packed_word, $endianness);
-
- # Get record length
- read(INPUT, $packed_word, 4);
- $length = unpack_int32($packed_word, $endianness);
-
- if ($value == $GCNO_FUNCTION_TAG)
- {
- # Get function name
- ($value, $function_name) =
- read_hammer_bbg_string(*INPUT, $endianness);
- $function_name =~ s/\W/_/g;
- $filename = undef;
- $first_line = undef;
-
- seek(INPUT, $length - $value * 4, 1);
- }
- elsif ($value == $GCNO_LINES_TAG)
- {
- # Get linenumber and filename
- # Skip block number
- seek(INPUT, 4, 1);
- $length -= 4;
-
- while ($length > 0)
- {
- read(INPUT, $packed_word, 4);
- $lineno = unpack_int32($packed_word,
- $endianness);
- $length -= 4;
- if ($lineno != 0)
- {
- if (!defined($first_line))
- {
- $first_line = $lineno;
- }
- if (defined($filename))
- {
- $result{$filename} .=
- ($result{$filename} ? "," : "").
- "=$lineno";
- }
- else
- {
- warn("WARNING: unassigned line".
- " number in .bbg file ".
- "$bbg_filename\n");
- }
- next;
- }
- ($blocks, $value) =
- read_hammer_bbg_string(
- *INPUT, $endianness);
- # Add all filenames to result list
- if (defined($value))
- {
- $value = solve_relative_path(
- $base_dir, $value);
- if (!defined($result{$value}))
- {
- $result{$value} = undef;
- }
- if (!defined($filename))
- {
- $filename = $value;
- }
- }
- $length -= $blocks * 4;
-
- # Got a complete data set?
- if (defined($filename) &&
- defined($first_line) &&
- defined($function_name))
- {
- # Add it to our result hash
- if (defined($result{$filename}))
- {
- $result{$filename} .=
- ",$function_name=$first_line";
- }
- else
- {
- $result{$filename} =
- "$function_name=$first_line";
- }
- $function_name = undef;
- $filename = undef;
- $first_line = undef;
- }
- }
- }
- else
- {
- # Skip other records
- seek(INPUT, $length, 1);
- }
- }
close(INPUT);
-
- if (!scalar(keys(%result)))
- {
- die("ERROR: no data found in $bbg_filename!\n");
- }
- return %result;
-}
-
-
-#
-# read_hammer_bbg_string(handle, endianness);
-#
-# Read a string in 4-byte chunks from HANDLE.
-#
-# Return (number of 4-byte chunks read, string).
-#
-
-sub read_hammer_bbg_string(*$)
-{
- my $handle = $_[0];
- my $endianness = $_[1];
- my $length = 0;
- my $string = "";
- my $packed_word;
- my $pad;
-
- read($handle, $packed_word, 4) == 4
- or die("ERROR: reading string\n");
-
- $length = unpack_int32($packed_word, $endianness);
- $pad = 4 - $length % 4;
-
- if ($length == 0)
- {
- return (1, undef);
+ if ($exclude_flag) {
+ warn("WARNING: unterminated exclusion section in $filename\n");
}
-
- read($handle, $string, $length) ==
- $length or die("ERROR: reading string\n");
- seek($handle, $pad, 1);
-
- return(1 + ($length + $pad) / 4, $string);
-}
-
-#
-# unpack_int32(word, endianness)
-#
-# Interpret 4-byte binary string WORD as signed 32 bit integer in
-# endian encoding defined by ENDIANNESS (0=little, 1=big) and return its
-# value.
-#
-
-sub unpack_int32($$)
-{
- return sprintf("%d", unpack($_[1] ? "N" : "V",$_[0]));
+ return(\@result, $branches, \@functions);
}
@@ -2013,43 +1850,171 @@ sub apply_config($)
}
-sub gen_initial_info($)
+#
+# get_exclusion_data(filename)
+#
+# Scan specified source code file for exclusion markers and return
+# linenumber -> 1
+# for all lines which should be excluded.
+#
+
+sub get_exclusion_data($)
{
- my $directory = $_[0];
- my @file_list;
+ my ($filename) = @_;
+ my %list;
+ my $flag = 0;
+ local *HANDLE;
- if (-d $directory)
- {
- info("Scanning $directory for $graph_file_extension ".
- "files ...\n");
+ if (!open(HANDLE, "<$filename")) {
+ warn("WARNING: could not open $filename\n");
+ return undef;
+ }
+ while (<HANDLE>) {
+ if (/$EXCL_STOP/) {
+ $flag = 0;
+ } elsif (/$EXCL_START/) {
+ $flag = 1;
+ }
+ if (/$EXCL_LINE/ || $flag) {
+ $list{$.} = 1;
+ }
+ }
+ close(HANDLE);
- @file_list = `find "$directory" $maxdepth $follow -name \\*$graph_file_extension -type f 2>/dev/null`;
- chomp(@file_list);
- @file_list or die("ERROR: no $graph_file_extension files ".
- "found in $directory!\n");
- info("Found %d graph files in %s\n", $#file_list+1, $directory);
+ if ($flag) {
+ warn("WARNING: unterminated exclusion section in $filename\n");
}
- else
- {
- @file_list = ($directory);
+
+ return \%list;
+}
+
+
+#
+# apply_exclusion_data(instr, graph)
+#
+# Remove lines from instr and graph data structures which are marked
+# for exclusion in the source code file.
+#
+# Return adjusted (instr, graph).
+#
+# graph : file name -> function data
+# function data : function name -> line data
+# line data : [ line1, line2, ... ]
+#
+# instr : filename -> line data
+# line data : [ line1, line2, ... ]
+#
+
+sub apply_exclusion_data($$)
+{
+ my ($instr, $graph) = @_;
+ my $filename;
+ my %excl_data;
+ my $excl_read_failed = 0;
+
+ # Collect exclusion marker data
+ foreach $filename (sort_uniq_lex(keys(%{$graph}), keys(%{$instr}))) {
+ my $excl = get_exclusion_data($filename);
+
+ # Skip and note if file could not be read
+ if (!defined($excl)) {
+ $excl_read_failed = 1;
+ next;
+ }
+
+ # Add to collection if there are markers
+ $excl_data{$filename} = $excl if (keys(%{$excl}) > 0);
}
- # Process all files in list
- foreach (@file_list) { process_graphfile($_); }
+ # Warn if not all source files could be read
+ if ($excl_read_failed) {
+ warn("WARNING: some exclusion markers may be ignored\n");
+ }
+
+ # Skip if no markers were found
+ return ($instr, $graph) if (keys(%excl_data) == 0);
+
+ # Apply exclusion marker data to graph
+ foreach $filename (keys(%excl_data)) {
+ my $function_data = $graph->{$filename};
+ my $excl = $excl_data{$filename};
+ my $function;
+
+ next if (!defined($function_data));
+
+ foreach $function (keys(%{$function_data})) {
+ my $line_data = $function_data->{$function};
+ my $line;
+ my @new_data;
+
+ # To be consistent with exclusion parser in non-initial
+ # case we need to remove a function if the first line
+ # was excluded
+ if ($excl->{$line_data->[0]}) {
+ delete($function_data->{$function});
+ next;
+ }
+ # Copy only lines which are not excluded
+ foreach $line (@{$line_data}) {
+ push(@new_data, $line) if (!$excl->{$line});
+ }
+
+ # Store modified list
+ if (scalar(@new_data) > 0) {
+ $function_data->{$function} = \@new_data;
+ } else {
+ # All of this function was excluded
+ delete($function_data->{$function});
+ }
+ }
+
+ # Check if all functions of this file were excluded
+ if (keys(%{$function_data}) == 0) {
+ delete($graph->{$filename});
+ }
+ }
+
+ # Apply exclusion marker data to instr
+ foreach $filename (keys(%excl_data)) {
+ my $line_data = $instr->{$filename};
+ my $excl = $excl_data{$filename};
+ my $line;
+ my @new_data;
+
+ next if (!defined($line_data));
+
+ # Copy only lines which are not excluded
+ foreach $line (@{$line_data}) {
+ push(@new_data, $line) if (!$excl->{$line});
+ }
+
+ # Store modified list
+ if (scalar(@new_data) > 0) {
+ $instr->{$filename} = \@new_data;
+ } else {
+ # All of this file was excluded
+ delete($instr->{$filename});
+ }
+ }
+
+ return ($instr, $graph);
}
-sub process_graphfile($)
+
+sub process_graphfile($$)
{
- my $graph_filename = $_[0];
+ my ($file, $dir) = @_;
+ my $graph_filename = $file;
my $graph_dir;
my $graph_basename;
my $source_dir;
my $base_dir;
- my %graph_data;
+ my $graph;
+ my $instr;
my $filename;
local *INFO_HANDLE;
- info("Processing $_[0]\n");
+ info("Processing %s\n", abs2rel($file, $dir));
# Get path to data file in absolute and normalized form (begins with /,
# contains no more ../ or ./)
@@ -2079,17 +2044,21 @@ sub process_graphfile($)
{
if (defined($compatibility) && $compatibility eq $COMPAT_HAMMER)
{
- %graph_data = read_hammer_bbg_file($graph_filename,
- $base_dir);
+ ($instr, $graph) = read_bbg($graph_filename, $base_dir);
}
else
{
- %graph_data = read_bb_file($graph_filename, $base_dir);
+ ($instr, $graph) = read_bb($graph_filename, $base_dir);
}
}
else
{
- %graph_data = read_gcno_file($graph_filename, $base_dir);
+ ($instr, $graph) = read_gcno($graph_filename, $base_dir);
+ }
+
+ if (!$no_markers) {
+ # Apply exclusion marker data to graph file data
+ ($instr, $graph) = apply_exclusion_data($instr, $graph);
}
# Check whether we're writing to a single file
@@ -2116,45 +2085,45 @@ sub process_graphfile($)
# Write test name
printf(INFO_HANDLE "TN:%s\n", $test_name);
- foreach $filename (keys(%graph_data))
+ foreach $filename (sort(keys(%{$instr})))
{
- my %lines;
- my $count = 0;
- my @functions;
+ my $funcdata = $graph->{$filename};
+ my $line;
+ my $linedata;
print(INFO_HANDLE "SF:$filename\n");
- # Write function related data
- foreach (split(",",$graph_data{$filename}))
- {
- my ($fn, $line) = split("=", $_);
+ if (defined($funcdata)) {
+ my @functions = sort {$funcdata->{$a}->[0] <=>
+ $funcdata->{$b}->[0]}
+ keys(%{$funcdata});
+ my $func;
- if ($fn eq "")
- {
- $lines{$line} = "";
- next;
- }
-
- # Normalize function name
- $fn =~ s/\W/_/g;
+ # Gather list of instrumented lines and functions
+ foreach $func (@functions) {
+ $linedata = $funcdata->{$func};
- print(INFO_HANDLE "FN:$line,$fn\n");
- push(@functions, $fn);
- }
- foreach (@functions) {
- print(INFO_HANDLE "FNDA:$_,0\n");
+ # Print function name and starting line
+ print(INFO_HANDLE "FN:".$linedata->[0].
+ ",".filter_fn_name($func)."\n");
+ }
+ # Print zero function coverage data
+ foreach $func (@functions) {
+ print(INFO_HANDLE "FNDA:0,".
+ filter_fn_name($func)."\n");
+ }
+ # Print function summary
+ print(INFO_HANDLE "FNF:".scalar(@functions)."\n");
+ print(INFO_HANDLE "FNH:0\n");
}
- print(INFO_HANDLE "FNF:".scalar(@functions)."\n");
- print(INFO_HANDLE "FNH:0\n");
-
- # Write line related data
- foreach (sort {$a <=> $b } keys(%lines))
- {
- print(INFO_HANDLE "DA:$_,0\n");
- $count++;
+ # Print zero line coverage data
+ foreach $line (@{$instr->{$filename}}) {
+ print(INFO_HANDLE "DA:$line,0\n");
}
+ # Print line summary
+ print(INFO_HANDLE "LF:".scalar(@{$instr->{$filename}})."\n");
print(INFO_HANDLE "LH:0\n");
- print(INFO_HANDLE "LF:$count\n");
+
print(INFO_HANDLE "end_of_record\n");
}
if (!($output_filename && ($output_filename eq "-")))
@@ -2163,6 +2132,16 @@ sub process_graphfile($)
}
}
+sub filter_fn_name($)
+{
+ my ($fn) = @_;
+
+ # Remove characters used internally as function name delimiters
+ $fn =~ s/[,=]/_/g;
+
+ return $fn;
+}
+
sub warn_handler($)
{
my ($msg) = @_;
@@ -2176,3 +2155,914 @@ sub die_handler($)
die("$tool_name: $msg");
}
+
+
+#
+# graph_error(filename, message)
+#
+# Print message about error in graph file. If ignore_graph_error is set, return.
+# Otherwise abort.
+#
+
+sub graph_error($$)
+{
+ my ($filename, $msg) = @_;
+
+ if ($ignore[$ERROR_GRAPH]) {
+ warn("WARNING: $filename: $msg - skipping\n");
+ return;
+ }
+ die("ERROR: $filename: $msg\n");
+}
+
+#
+# graph_expect(description)
+#
+# If debug is set to a non-zero value, print the specified description of what
+# is expected to be read next from the graph file.
+#
+
+sub graph_expect($)
+{
+ my ($msg) = @_;
+
+ if (!$debug || !defined($msg)) {
+ return;
+ }
+
+ print(STDERR "DEBUG: expecting $msg\n");
+}
+
+#
+# graph_read(handle, bytes[, description])
+#
+# Read and return the specified number of bytes from handle. Return undef
+# if the number of bytes could not be read.
+#
+
+sub graph_read(*$;$)
+{
+ my ($handle, $length, $desc) = @_;
+ my $data;
+ my $result;
+
+ graph_expect($desc);
+ $result = read($handle, $data, $length);
+ if ($debug) {
+ my $ascii = "";
+ my $hex = "";
+ my $i;
+
+ print(STDERR "DEBUG: read($length)=$result: ");
+ for ($i = 0; $i < length($data); $i++) {
+ my $c = substr($data, $i, 1);;
+ my $n = ord($c);
+
+ $hex .= sprintf("%02x ", $n);
+ if ($n >= 32 && $n <= 127) {
+ $ascii .= $c;
+ } else {
+ $ascii .= ".";
+ }
+ }
+ print(STDERR "$hex |$ascii|");
+ print(STDERR "\n");
+ }
+ if ($result != $length) {
+ return undef;
+ }
+ return $data;
+}
+
+#
+# graph_skip(handle, bytes[, description])
+#
+# Read and discard the specified number of bytes from handle. Return non-zero
+# if bytes could be read, zero otherwise.
+#
+
+sub graph_skip(*$;$)
+{
+ my ($handle, $length, $desc) = @_;
+
+ if (defined(graph_read($handle, $length, $desc))) {
+ return 1;
+ }
+ return 0;
+}
+
+#
+# sort_uniq(list)
+#
+# Return list in numerically ascending order and without duplicate entries.
+#
+
+sub sort_uniq(@)
+{
+ my (@list) = @_;
+ my %hash;
+
+ foreach (@list) {
+ $hash{$_} = 1;
+ }
+ return sort { $a <=> $b } keys(%hash);
+}
+
+#
+# sort_uniq_lex(list)
+#
+# Return list in lexically ascending order and without duplicate entries.
+#
+
+sub sort_uniq_lex(@)
+{
+ my (@list) = @_;
+ my %hash;
+
+ foreach (@list) {
+ $hash{$_} = 1;
+ }
+ return sort keys(%hash);
+}
+
+#
+# graph_cleanup(graph)
+#
+# Remove entries for functions with no lines. Remove duplicate line numbers.
+# Sort list of line numbers numerically ascending.
+#
+
+sub graph_cleanup($)
+{
+ my ($graph) = @_;
+ my $filename;
+
+ foreach $filename (keys(%{$graph})) {
+ my $per_file = $graph->{$filename};
+ my $function;
+
+ foreach $function (keys(%{$per_file})) {
+ my $lines = $per_file->{$function};
+
+ if (scalar(@$lines) == 0) {
+ # Remove empty function
+ delete($per_file->{$function});
+ next;
+ }
+ # Normalize list
+ $per_file->{$function} = [ sort_uniq(@$lines) ];
+ }
+ if (scalar(keys(%{$per_file})) == 0) {
+ # Remove empty file
+ delete($graph->{$filename});
+ }
+ }
+}
+
+#
+# graph_find_base(bb)
+#
+# Try to identify the filename which is the base source file for the
+# specified bb data.
+#
+
+sub graph_find_base($)
+{
+ my ($bb) = @_;
+ my %file_count;
+ my $basefile;
+ my $file;
+ my $func;
+ my $filedata;
+ my $count;
+ my $num;
+
+ # Identify base name for this bb data.
+ foreach $func (keys(%{$bb})) {
+ $filedata = $bb->{$func};
+
+ foreach $file (keys(%{$filedata})) {
+ $count = $file_count{$file};
+
+ # Count file occurrence
+ $file_count{$file} = defined($count) ? $count + 1 : 1;
+ }
+ }
+ $count = 0;
+ $num = 0;
+ foreach $file (keys(%file_count)) {
+ if ($file_count{$file} > $count) {
+ # The file that contains code for the most functions
+ # is likely the base file
+ $count = $file_count{$file};
+ $num = 1;
+ $basefile = $file;
+ } elsif ($file_count{$file} == $count) {
+ # If more than one file could be the basefile, we
+ # don't have a basefile
+ $basefile = undef;
+ }
+ }
+
+ return $basefile;
+}
+
+#
+# graph_from_bb(bb, fileorder, bb_filename)
+#
+# Convert data from bb to the graph format and list of instrumented lines.
+# Returns (instr, graph).
+#
+# bb : function name -> file data
+# : undef -> file order
+# file data : filename -> line data
+# line data : [ line1, line2, ... ]
+#
+# file order : function name -> [ filename1, filename2, ... ]
+#
+# graph : file name -> function data
+# function data : function name -> line data
+# line data : [ line1, line2, ... ]
+#
+# instr : filename -> line data
+# line data : [ line1, line2, ... ]
+#
+
+sub graph_from_bb($$$)
+{
+ my ($bb, $fileorder, $bb_filename) = @_;
+ my $graph = {};
+ my $instr = {};
+ my $basefile;
+ my $file;
+ my $func;
+ my $filedata;
+ my $linedata;
+ my $order;
+
+ $basefile = graph_find_base($bb);
+ # Create graph structure
+ foreach $func (keys(%{$bb})) {
+ $filedata = $bb->{$func};
+ $order = $fileorder->{$func};
+
+ # Account for lines in functions
+ if (defined($basefile) && defined($filedata->{$basefile})) {
+ # If the basefile contributes to this function,
+ # account this function to the basefile.
+ $graph->{$basefile}->{$func} = $filedata->{$basefile};
+ } else {
+ # If the basefile does not contribute to this function,
+ # account this function to the first file contributing
+ # lines.
+ $graph->{$order->[0]}->{$func} =
+ $filedata->{$order->[0]};
+ }
+
+ foreach $file (keys(%{$filedata})) {
+ # Account for instrumented lines
+ $linedata = $filedata->{$file};
+ push(@{$instr->{$file}}, @$linedata);
+ }
+ }
+ # Clean up array of instrumented lines
+ foreach $file (keys(%{$instr})) {
+ $instr->{$file} = [ sort_uniq(@{$instr->{$file}}) ];
+ }
+
+ return ($instr, $graph);
+}
+
+#
+# graph_add_order(fileorder, function, filename)
+#
+# Add an entry for filename to the fileorder data set for function.
+#
+
+sub graph_add_order($$$)
+{
+ my ($fileorder, $function, $filename) = @_;
+ my $item;
+ my $list;
+
+ $list = $fileorder->{$function};
+ foreach $item (@$list) {
+ if ($item eq $filename) {
+ return;
+ }
+ }
+ push(@$list, $filename);
+ $fileorder->{$function} = $list;
+}
+#
+# read_bb_word(handle[, description])
+#
+# Read and return a word in .bb format from handle.
+#
+
+sub read_bb_word(*;$)
+{
+ my ($handle, $desc) = @_;
+
+ return graph_read($handle, 4, $desc);
+}
+
+#
+# read_bb_value(handle[, description])
+#
+# Read a word in .bb format from handle and return the word and its integer
+# value.
+#
+
+sub read_bb_value(*;$)
+{
+ my ($handle, $desc) = @_;
+ my $word;
+
+ $word = read_bb_word($handle, $desc);
+ return undef if (!defined($word));
+
+ return ($word, unpack("V", $word));
+}
+
+#
+# read_bb_string(handle, delimiter)
+#
+# Read and return a string in .bb format from handle up to the specified
+# delimiter value.
+#
+
+sub read_bb_string(*$)
+{
+ my ($handle, $delimiter) = @_;
+ my $word;
+ my $value;
+ my $string = "";
+
+ graph_expect("string");
+ do {
+ ($word, $value) = read_bb_value($handle, "string or delimiter");
+ return undef if (!defined($value));
+ if ($value != $delimiter) {
+ $string .= $word;
+ }
+ } while ($value != $delimiter);
+ $string =~ s/\0//g;
+
+ return $string;
+}
+
+#
+# read_bb(filename, base_dir)
+#
+# Read the contents of the specified .bb file and return (instr, graph), where:
+#
+# instr : filename -> line data
+# line data : [ line1, line2, ... ]
+#
+# graph : filename -> file_data
+# file_data : function name -> line_data
+# line_data : [ line1, line2, ... ]
+#
+# Relative filenames are converted to absolute form using base_dir as
+# base directory. See the gcov info pages of gcc 2.95 for a description of
+# the .bb file format.
+#
+
+sub read_bb($$)
+{
+ my ($bb_filename, $base) = @_;
+ my $minus_one = 0x80000001;
+ my $minus_two = 0x80000002;
+ my $value;
+ my $filename;
+ my $function;
+ my $bb = {};
+ my $fileorder = {};
+ my $instr;
+ my $graph;
+ local *HANDLE;
+
+ open(HANDLE, "<$bb_filename") or goto open_error;
+ binmode(HANDLE);
+ while (!eof(HANDLE)) {
+ $value = read_bb_value(*HANDLE, "data word");
+ goto incomplete if (!defined($value));
+ if ($value == $minus_one) {
+ # Source file name
+ graph_expect("filename");
+ $filename = read_bb_string(*HANDLE, $minus_one);
+ goto incomplete if (!defined($filename));
+ if ($filename ne "") {
+ $filename = solve_relative_path($base,
+ $filename);
+ }
+ } elsif ($value == $minus_two) {
+ # Function name
+ graph_expect("function name");
+ $function = read_bb_string(*HANDLE, $minus_two);
+ goto incomplete if (!defined($function));
+ } elsif ($value > 0) {
+ # Line number
+ if (!defined($filename) || !defined($function)) {
+ warn("WARNING: unassigned line number ".
+ "$value\n");
+ next;
+ }
+ push(@{$bb->{$function}->{$filename}}, $value);
+ graph_add_order($fileorder, $function, $filename);
+ }
+ }
+ close(HANDLE);
+ ($instr, $graph) = graph_from_bb($bb, $fileorder, $bb_filename);
+ graph_cleanup($graph);
+
+ return ($instr, $graph);
+
+open_error:
+ graph_error($bb_filename, "could not open file");
+ return undef;
+incomplete:
+ graph_error($bb_filename, "reached unexpected end of file");
+ return undef;
+}
+
+#
+# read_bbg_word(handle[, description])
+#
+# Read and return a word in .bbg format.
+#
+
+sub read_bbg_word(*;$)
+{
+ my ($handle, $desc) = @_;
+
+ return graph_read($handle, 4, $desc);
+}
+
+#
+# read_bbg_value(handle[, description])
+#
+# Read a word in .bbg format from handle and return its integer value.
+#
+
+sub read_bbg_value(*;$)
+{
+ my ($handle, $desc) = @_;
+ my $word;
+
+ $word = read_bbg_word($handle, $desc);
+ return undef if (!defined($word));
+
+ return unpack("N", $word);
+}
+
+#
+# read_bbg_string(handle)
+#
+# Read and return a string in .bbg format.
+#
+
+sub read_bbg_string(*)
+{
+ my ($handle, $desc) = @_;
+ my $length;
+ my $string;
+
+ graph_expect("string");
+ # Read string length
+ $length = read_bbg_value($handle, "string length");
+ return undef if (!defined($length));
+ if ($length == 0) {
+ return "";
+ }
+ # Read string
+ $string = graph_read($handle, $length, "string");
+ return undef if (!defined($string));
+ # Skip padding
+ graph_skip($handle, 4 - $length % 4, "string padding") or return undef;
+
+ return $string;
+}
+
+#
+# read_bbg_lines_record(handle, bbg_filename, bb, fileorder, filename,
+# function, base)
+#
+# Read a bbg format lines record from handle and add the relevant data to
+# bb and fileorder. Return filename on success, undef on error.
+#
+
+sub read_bbg_lines_record(*$$$$$$)
+{
+ my ($handle, $bbg_filename, $bb, $fileorder, $filename, $function,
+ $base) = @_;
+ my $string;
+ my $lineno;
+
+ graph_expect("lines record");
+ # Skip basic block index
+ graph_skip($handle, 4, "basic block index") or return undef;
+ while (1) {
+ # Read line number
+ $lineno = read_bbg_value($handle, "line number");
+ return undef if (!defined($lineno));
+ if ($lineno == 0) {
+ # Got a marker for a new filename
+ graph_expect("filename");
+ $string = read_bbg_string($handle);
+ return undef if (!defined($string));
+ # Check for end of record
+ if ($string eq "") {
+ return $filename;
+ }
+ $filename = solve_relative_path($base, $string);
+ next;
+ }
+ # Got an actual line number
+ if (!defined($filename)) {
+ warn("WARNING: unassigned line number in ".
+ "$bbg_filename\n");
+ next;
+ }
+ push(@{$bb->{$function}->{$filename}}, $lineno);
+ graph_add_order($fileorder, $function, $filename);
+ }
+}
+
+#
+# read_bbg(filename, base_dir)
+#
+# Read the contents of the specified .bbg file and return the following mapping:
+# graph: filename -> file_data
+# file_data: function name -> line_data
+# line_data: [ line1, line2, ... ]
+#
+# Relative filenames are converted to absolute form using base_dir as
+# base directory. See the gcov-io.h file in the SLES 9 gcc 3.3.3 source code
+# for a description of the .bbg format.
+#
+
+sub read_bbg($$)
+{
+ my ($bbg_filename, $base) = @_;
+ my $file_magic = 0x67626267;
+ my $tag_function = 0x01000000;
+ my $tag_lines = 0x01450000;
+ my $word;
+ my $tag;
+ my $length;
+ my $function;
+ my $filename;
+ my $bb = {};
+ my $fileorder = {};
+ my $instr;
+ my $graph;
+ local *HANDLE;
+
+ open(HANDLE, "<$bbg_filename") or goto open_error;
+ binmode(HANDLE);
+ # Read magic
+ $word = read_bbg_value(*HANDLE, "file magic");
+ goto incomplete if (!defined($word));
+ # Check magic
+ if ($word != $file_magic) {
+ goto magic_error;
+ }
+ # Skip version
+ graph_skip(*HANDLE, 4, "version") or goto incomplete;
+ while (!eof(HANDLE)) {
+ # Read record tag
+ $tag = read_bbg_value(*HANDLE, "record tag");
+ goto incomplete if (!defined($tag));
+ # Read record length
+ $length = read_bbg_value(*HANDLE, "record length");
+ goto incomplete if (!defined($tag));
+ if ($tag == $tag_function) {
+ graph_expect("function record");
+ # Read function name
+ graph_expect("function name");
+ $function = read_bbg_string(*HANDLE);
+ goto incomplete if (!defined($function));
+ $filename = undef;
+ # Skip function checksum
+ graph_skip(*HANDLE, 4, "function checksum")
+ or goto incomplete;
+ } elsif ($tag == $tag_lines) {
+ # Read lines record
+ $filename = read_bbg_lines_record(HANDLE, $bbg_filename,
+ $bb, $fileorder, $filename,
+ $function, $base);
+ goto incomplete if (!defined($filename));
+ } else {
+ # Skip record contents
+ graph_skip(*HANDLE, $length, "unhandled record")
+ or goto incomplete;
+ }
+ }
+ close(HANDLE);
+ ($instr, $graph) = graph_from_bb($bb, $fileorder, $bbg_filename);
+ graph_cleanup($graph);
+
+ return ($instr, $graph);
+
+open_error:
+ graph_error($bbg_filename, "could not open file");
+ return undef;
+incomplete:
+ graph_error($bbg_filename, "reached unexpected end of file");
+ return undef;
+magic_error:
+ graph_error($bbg_filename, "found unrecognized bbg file magic");
+ return undef;
+}
+
+#
+# read_gcno_word(handle[, description])
+#
+# Read and return a word in .gcno format.
+#
+
+sub read_gcno_word(*;$)
+{
+ my ($handle, $desc) = @_;
+
+ return graph_read($handle, 4, $desc);
+}
+
+#
+# read_gcno_value(handle, big_endian[, description])
+#
+# Read a word in .gcno format from handle and return its integer value
+# according to the specified endianness.
+#
+
+sub read_gcno_value(*$;$)
+{
+ my ($handle, $big_endian, $desc) = @_;
+ my $word;
+
+ $word = read_gcno_word($handle, $desc);
+ return undef if (!defined($word));
+ if ($big_endian) {
+ return unpack("N", $word);
+ } else {
+ return unpack("V", $word);
+ }
+}
+
+#
+# read_gcno_string(handle, big_endian)
+#
+# Read and return a string in .gcno format.
+#
+
+sub read_gcno_string(*$)
+{
+ my ($handle, $big_endian) = @_;
+ my $length;
+ my $string;
+
+ graph_expect("string");
+ # Read string length
+ $length = read_gcno_value($handle, $big_endian, "string length");
+ return undef if (!defined($length));
+ if ($length == 0) {
+ return "";
+ }
+ $length *= 4;
+ # Read string
+ $string = graph_read($handle, $length, "string and padding");
+ return undef if (!defined($string));
+ $string =~ s/\0//g;
+
+ return $string;
+}
+
+#
+# read_gcno_lines_record(handle, gcno_filename, bb, fileorder, filename,
+# function, base, big_endian)
+#
+# Read a gcno format lines record from handle and add the relevant data to
+# bb and fileorder. Return filename on success, undef on error.
+#
+
+sub read_gcno_lines_record(*$$$$$$$)
+{
+ my ($handle, $gcno_filename, $bb, $fileorder, $filename, $function,
+ $base, $big_endian) = @_;
+ my $string;
+ my $lineno;
+
+ graph_expect("lines record");
+ # Skip basic block index
+ graph_skip($handle, 4, "basic block index") or return undef;
+ while (1) {
+ # Read line number
+ $lineno = read_gcno_value($handle, $big_endian, "line number");
+ return undef if (!defined($lineno));
+ if ($lineno == 0) {
+ # Got a marker for a new filename
+ graph_expect("filename");
+ $string = read_gcno_string($handle, $big_endian);
+ return undef if (!defined($string));
+ # Check for end of record
+ if ($string eq "") {
+ return $filename;
+ }
+ $filename = solve_relative_path($base, $string);
+ next;
+ }
+ # Got an actual line number
+ if (!defined($filename)) {
+ warn("WARNING: unassigned line number in ".
+ "$gcno_filename\n");
+ next;
+ }
+ # Add to list
+ push(@{$bb->{$function}->{$filename}}, $lineno);
+ graph_add_order($fileorder, $function, $filename);
+ }
+}
+
+#
+# read_gcno_function_record(handle, graph, base, big_endian)
+#
+# Read a gcno format function record from handle and add the relevant data
+# to graph. Return (filename, function) on success, undef on error.
+#
+
+sub read_gcno_function_record(*$$$$)
+{
+ my ($handle, $bb, $fileorder, $base, $big_endian) = @_;
+ my $filename;
+ my $function;
+ my $lineno;
+ my $lines;
+
+ graph_expect("function record");
+ # Skip ident and checksum
+ graph_skip($handle, 8, "function ident and checksum") or return undef;
+ # Read function name
+ graph_expect("function name");
+ $function = read_gcno_string($handle, $big_endian);
+ return undef if (!defined($function));
+ # Read filename
+ graph_expect("filename");
+ $filename = read_gcno_string($handle, $big_endian);
+ return undef if (!defined($filename));
+ $filename = solve_relative_path($base, $filename);
+ # Read first line number
+ $lineno = read_gcno_value($handle, $big_endian, "initial line number");
+ return undef if (!defined($lineno));
+ # Add to list
+ push(@{$bb->{$function}->{$filename}}, $lineno);
+ graph_add_order($fileorder, $function, $filename);
+
+ return ($filename, $function);
+}
+
+#
+# read_gcno(filename, base_dir)
+#
+# Read the contents of the specified .gcno file and return the following
+# mapping:
+# graph: filename -> file_data
+# file_data: function name -> line_data
+# line_data: [ line1, line2, ... ]
+#
+# Relative filenames are converted to absolute form using base_dir as
+# base directory. See the gcov-io.h file in the gcc 3.3 source code
+# for a description of the .gcno format.
+#
+
+sub read_gcno($$)
+{
+ my ($gcno_filename, $base) = @_;
+ my $file_magic = 0x67636e6f;
+ my $tag_function = 0x01000000;
+ my $tag_lines = 0x01450000;
+ my $big_endian;
+ my $word;
+ my $tag;
+ my $length;
+ my $filename;
+ my $function;
+ my $bb = {};
+ my $fileorder = {};
+ my $instr;
+ my $graph;
+ local *HANDLE;
+
+ open(HANDLE, "<$gcno_filename") or goto open_error;
+ binmode(HANDLE);
+ # Read magic
+ $word = read_gcno_word(*HANDLE, "file magic");
+ goto incomplete if (!defined($word));
+ # Determine file endianness
+ if (unpack("N", $word) == $file_magic) {
+ $big_endian = 1;
+ } elsif (unpack("V", $word) == $file_magic) {
+ $big_endian = 0;
+ } else {
+ goto magic_error;
+ }
+ # Skip version and stamp
+ graph_skip(*HANDLE, 8, "version and stamp") or goto incomplete;
+ while (!eof(HANDLE)) {
+ my $next_pos;
+ my $curr_pos;
+
+ # Read record tag
+ $tag = read_gcno_value(*HANDLE, $big_endian, "record tag");
+ goto incomplete if (!defined($tag));
+ # Read record length
+ $length = read_gcno_value(*HANDLE, $big_endian,
+ "record length");
+ goto incomplete if (!defined($length));
+ # Convert length to bytes
+ $length *= 4;
+ # Calculate start of next record
+ $next_pos = tell(HANDLE);
+ goto tell_error if ($next_pos == -1);
+ $next_pos += $length;
+ # Process record
+ if ($tag == $tag_function) {
+ ($filename, $function) = read_gcno_function_record(
+ *HANDLE, $bb, $fileorder, $base, $big_endian);
+ goto incomplete if (!defined($function));
+ } elsif ($tag == $tag_lines) {
+ # Read lines record
+ $filename = read_gcno_lines_record(*HANDLE,
+ $gcno_filename, $bb, $fileorder,
+ $filename, $function, $base,
+ $big_endian);
+ goto incomplete if (!defined($filename));
+ } else {
+ # Skip record contents
+ graph_skip(*HANDLE, $length, "unhandled record")
+ or goto incomplete;
+ }
+ # Ensure that we are at the start of the next record
+ $curr_pos = tell(HANDLE);
+ goto tell_error if ($curr_pos == -1);
+ next if ($curr_pos == $next_pos);
+ goto record_error if ($curr_pos > $next_pos);
+ graph_skip(*HANDLE, $next_pos - $curr_pos,
+ "unhandled record content")
+ or goto incomplete;
+ }
+ close(HANDLE);
+ ($instr, $graph) = graph_from_bb($bb, $fileorder, $gcno_filename);
+ graph_cleanup($graph);
+
+ return ($instr, $graph);
+
+open_error:
+ graph_error($gcno_filename, "could not open file");
+ return undef;
+incomplete:
+ graph_error($gcno_filename, "reached unexpected end of file");
+ return undef;
+magic_error:
+ graph_error($gcno_filename, "found unrecognized gcno file magic");
+ return undef;
+tell_error:
+ graph_error($gcno_filename, "could not determine file position");
+ return undef;
+record_error:
+ graph_error($gcno_filename, "found unrecognized record format");
+ return undef;
+}
+
+sub debug($)
+{
+ my ($msg) = @_;
+
+ return if (!$debug);
+ print(STDERR "DEBUG: $msg");
+}
+
+#
+# get_gcov_capabilities
+#
+# Determine the list of available gcov options.
+#
+
+sub get_gcov_capabilities()
+{
+ my $help = `$gcov_tool --help`;
+ my %capabilities;
+
+ foreach (split(/\n/, $help)) {
+ next if (!/--(\S+)/);
+ next if ($1 eq 'help');
+ next if ($1 eq 'version');
+ next if ($1 eq 'object-directory');
+
+ $capabilities{$1} = 1;
+ debug("gcov has capability '$1'\n");
+ }
+
+ return \%capabilities;
+}
diff --git a/3rdParty/LCov/genpng b/3rdParty/LCov/genpng
index b4d90c2..7fe9dfe 100755
--- a/3rdParty/LCov/genpng
+++ b/3rdParty/LCov/genpng
@@ -35,7 +35,7 @@ use Getopt::Long;
# Constants
-our $lcov_version = "LCOV version 1.7";
+our $lcov_version = 'LCOV version 1.9';
our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php";
our $tool_name = basename($0);
@@ -45,14 +45,17 @@ sub gen_png($$$@);
sub check_and_load_module($);
sub genpng_print_usage(*);
sub genpng_process_file($$$$);
-sub warn_handler($);
-sub die_handler($);
+sub genpng_warn_handler($);
+sub genpng_die_handler($);
#
# Code entry point
#
+# Prettify version string
+$lcov_version =~ s/\$\s*Revision\s*:?\s*(\S+)\s*\$/$1/;
+
# Check whether required module GD.pm is installed
if (check_and_load_module("GD"))
{
@@ -75,8 +78,8 @@ if (!caller)
my $help;
my $version;
- $SIG{__WARN__} = \&warn_handler;
- $SIG{__DIE__} = \&die_handler;
+ $SIG{__WARN__} = \&genpng_warn_handler;
+ $SIG{__DIE__} = \&genpng_die_handler;
# Parse command line options
if (!GetOptions("tab-size=i" => \$tab_size,
@@ -366,14 +369,14 @@ sub gen_png($$$@)
close(PNG_HANDLE);
}
-sub warn_handler($)
+sub genpng_warn_handler($)
{
my ($msg) = @_;
warn("$tool_name: $msg");
}
-sub die_handler($)
+sub genpng_die_handler($)
{
my ($msg) = @_;
diff --git a/3rdParty/LCov/lcov b/3rdParty/LCov/lcov
index 6304d75..4e392ff 100755
--- a/3rdParty/LCov/lcov
+++ b/3rdParty/LCov/lcov
@@ -1,6 +1,6 @@
#!/usr/bin/perl -w
#
-# Copyright (c) International Business Machines Corp., 2002,2007
+# Copyright (c) International Business Machines Corp., 2002,2010
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -60,36 +60,43 @@
#
use strict;
-use File::Basename;
+use File::Basename;
+use File::Path;
+use File::Find;
+use File::Temp qw /tempdir/;
+use File::Spec::Functions qw /abs2rel canonpath catdir catfile catpath
+ file_name_is_absolute rootdir splitdir splitpath/;
use Getopt::Long;
+use Cwd qw /abs_path getcwd/;
# Global constants
-our $lcov_version = "LCOV version 1.7";
+our $lcov_version = 'LCOV version 1.9';
our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php";
our $tool_name = basename($0);
-# Names of the GCOV kernel module
-our @gcovmod = ("gcov-prof", "gcov-proc");
-
# Directory containing gcov kernel files
-our $gcov_dir = "/proc/gcov";
-
-# The location of the insmod tool
-our $insmod_tool = "/sbin/insmod";
-
-# The location of the modprobe tool
-our $modprobe_tool = "/sbin/modprobe";
-
-# The location of the rmmod tool
-our $rmmod_tool = "/sbin/rmmod";
+our $gcov_dir;
# Where to create temporary directories
-our $tmp_dir = "/tmp";
+our $tmp_dir;
+
+# Internal constants
+our $GKV_PROC = 0; # gcov-kernel data in /proc via external patch
+our $GKV_SYS = 1; # gcov-kernel data in /sys via vanilla 2.6.31+
+our @GKV_NAME = ( "external", "upstream" );
+our $pkg_gkv_file = ".gcov_kernel_version";
+our $pkg_build_file = ".build_directory";
-# How to prefix a temporary directory name
-our $tmp_prefix = "tmpdir";
+our $BR_BLOCK = 0;
+our $BR_BRANCH = 1;
+our $BR_TAKEN = 2;
+our $BR_VEC_ENTRIES = 3;
+our $BR_VEC_WIDTH = 32;
+# Branch data combination types
+our $BR_SUB = 0;
+our $BR_ADD = 1;
# Prototypes
sub print_usage(*);
@@ -98,10 +105,12 @@ sub userspace_reset();
sub userspace_capture();
sub kernel_reset();
sub kernel_capture();
+sub kernel_capture_initial();
+sub package_capture();
sub add_traces();
sub read_info_file($);
sub get_info_entry($);
-sub set_info_entry($$$$$$$;$$$$);
+sub set_info_entry($$$$$$$$$;$$$$$$);
sub add_counts($$);
sub merge_checksums($$$);
sub combine_info_entries($$$);
@@ -117,13 +126,19 @@ sub system_no_output($@);
sub read_config($);
sub apply_config($);
sub info(@);
-sub unload_module($);
-sub check_and_load_kernel_module();
sub create_temp_dir();
sub transform_pattern($);
sub warn_handler($);
sub die_handler($);
-
+sub abort_handler($);
+sub temp_cleanup();
+sub setup_gkv();
+sub get_overall_line($$$$);
+sub print_overall_rate($$$$$$$$$);
+sub lcov_geninfo(@);
+sub create_package($$$;$);
+sub get_func_found_and_hit($);
+sub br_ivec_get($$);
# Global variables & initialization
our @directory; # Specifies where to get coverage data from
@@ -142,7 +157,6 @@ our $help; # Help option flag
our $version; # Version option flag
our $convert_filenames; # If set, convert filenames when applying diff
our $strip; # If set, strip leading directories when applying diff
-our $need_unload; # If set, unload gcov kernel module
our $temp_dir_name; # Name of temporary directory
our $cwd = `pwd`; # Current working directory
our $to_file; # If set, indicates that output is written to a file
@@ -157,10 +171,27 @@ our $gcov_tool;
our $ignore_errors;
our $initial;
our $no_recursion = 0;
+our $to_package;
+our $from_package;
our $maxdepth;
+our $no_markers;
our $config; # Configuration file contents
chomp($cwd);
our $tool_dir = dirname($0); # Directory where genhtml tool is installed
+our @temp_dirs;
+our $gcov_gkv; # gcov kernel support version found on machine
+our $opt_derive_func_data;
+our $opt_debug;
+our $opt_list_full_path;
+our $opt_no_list_full_path;
+our $opt_list_width = 80;
+our $opt_list_truncate_max = 20;
+our $ln_overall_found;
+our $ln_overall_hit;
+our $fn_overall_found;
+our $fn_overall_hit;
+our $br_overall_found;
+our $br_overall_hit;
#
@@ -169,6 +200,11 @@ our $tool_dir = dirname($0); # Directory where genhtml tool is installed
$SIG{__WARN__} = \&warn_handler;
$SIG{__DIE__} = \&die_handler;
+$SIG{'INT'} = \&abort_handler;
+$SIG{'QUIT'} = \&abort_handler;
+
+# Prettify version string
+$lcov_version =~ s/\$\s*Revision\s*:?\s*(\S+)\s*\$/$1/;
# Add current working directory if $tool_dir is not already an absolute path
if (! ($tool_dir =~ /^\/(.*)$/))
@@ -177,7 +213,7 @@ if (! ($tool_dir =~ /^\/(.*)$/))
}
# Read configuration file if available
-if (-r $ENV{"HOME"}."/.lcovrc")
+if (defined($ENV{"HOME"}) && (-r $ENV{"HOME"}."/.lcovrc"))
{
$config = read_config($ENV{"HOME"}."/.lcovrc");
}
@@ -191,32 +227,33 @@ if ($config)
# Copy configuration file values to variables
apply_config({
"lcov_gcov_dir" => \$gcov_dir,
- "lcov_insmod_tool" => \$insmod_tool,
- "lcov_modprobe_tool" => \$modprobe_tool,
- "lcov_rmmod_tool" => \$rmmod_tool,
- "lcov_tmp_dir" => \$tmp_dir});
+ "lcov_tmp_dir" => \$tmp_dir,
+ "lcov_list_full_path" => \$opt_list_full_path,
+ "lcov_list_width" => \$opt_list_width,
+ "lcov_list_truncate_max"=> \$opt_list_truncate_max,
+ });
}
# Parse command line options
if (!GetOptions("directory|d|di=s" => \@directory,
- "add-tracefile=s" => \@add_tracefile,
- "list=s" => \$list,
- "kernel-directory=s" => \@kernel_directory,
- "extract=s" => \$extract,
- "remove=s" => \$remove,
+ "add-tracefile|a=s" => \@add_tracefile,
+ "list|l=s" => \$list,
+ "kernel-directory|k=s" => \@kernel_directory,
+ "extract|e=s" => \$extract,
+ "remove|r=s" => \$remove,
"diff=s" => \$diff,
"convert-filenames" => \$convert_filenames,
"strip=i" => \$strip,
"capture|c" => \$capture,
- "output-file=s" => \$output_filename,
- "test-name=s" => \$test_name,
- "zerocounters" => \$reset,
- "quiet" => \$quiet,
- "help|?" => \$help,
- "version" => \$version,
- "follow" => \$follow,
+ "output-file|o=s" => \$output_filename,
+ "test-name|t=s" => \$test_name,
+ "zerocounters|z" => \$reset,
+ "quiet|q" => \$quiet,
+ "help|h|?" => \$help,
+ "version|v" => \$version,
+ "follow|f" => \$follow,
"path=s" => \$diff_path,
- "base-directory=s" => \$base_directory,
+ "base-directory|b=s" => \$base_directory,
"checksum" => \$checksum,
"no-checksum" => \$no_checksum,
"compat-libtool" => \$compat_libtool,
@@ -224,7 +261,14 @@ if (!GetOptions("directory|d|di=s" => \@directory,
"gcov-tool=s" => \$gcov_tool,
"ignore-errors=s" => \$ignore_errors,
"initial|i" => \$initial,
- "no-recursion" => \$no_recursion
+ "no-recursion" => \$no_recursion,
+ "to-package=s" => \$to_package,
+ "from-package=s" => \$from_package,
+ "no-markers" => \$no_markers,
+ "derive-func-data" => \$opt_derive_func_data,
+ "debug" => \$opt_debug,
+ "list-full-path" => \$opt_list_full_path,
+ "no-list-full-path" => \$opt_no_list_full_path,
))
{
print(STDERR "Use $tool_name --help to get usage information\n");
@@ -244,6 +288,12 @@ else
$compat_libtool = ($no_compat_libtool ? 0 : 1);
$no_compat_libtool = undef;
}
+
+ if (defined($opt_no_list_full_path))
+ {
+ $opt_list_full_path = ($opt_no_list_full_path ? 0 : 1);
+ $opt_no_list_full_path = undef;
+ }
}
# Check for help option
@@ -260,6 +310,12 @@ if ($version)
exit(0);
}
+# Check list width option
+if ($opt_list_width <= 40) {
+ die("ERROR: lcov_list_width parameter out of range (needs to be ".
+ "larger than 40)\n");
+}
+
# Normalize --path text
$diff_path =~ s/\/$//;
@@ -287,7 +343,7 @@ check_options();
# Only --extract, --remove and --diff allow unnamed parameters
if (@ARGV && !($extract || $remove || $diff))
{
- die("Extra parameter found\n".
+ die("Extra parameter found: '".join(" ", @ARGV)."'\n".
"Use $tool_name --help to get usage information\n");
}
@@ -302,13 +358,10 @@ if ($capture)
$output_filename = "-";
}
}
-else
-{
- if ($initial)
- {
- die("Option --initial is only valid when capturing data (-c)\n".
- "Use $tool_name --help to get usage information\n");
- }
+
+# Determine kernel directory for gcov data
+if (!$from_package && !@directory && ($capture || $reset)) {
+ ($gcov_gkv, $gcov_dir) = setup_gkv();
}
# Check for requested functionality
@@ -326,27 +379,40 @@ if ($reset)
}
elsif ($capture)
{
- # Differentiate between user space and kernel
- if (@directory)
- {
+ # Capture source can be user space, kernel or package
+ if ($from_package) {
+ package_capture();
+ } elsif (@directory) {
userspace_capture();
- }
- else
- {
- kernel_capture();
+ } else {
+ if ($initial) {
+ if (defined($to_package)) {
+ die("ERROR: --initial cannot be used together ".
+ "with --to-package\n");
+ }
+ kernel_capture_initial();
+ } else {
+ kernel_capture();
+ }
}
}
elsif (@add_tracefile)
{
- add_traces();
+ ($ln_overall_found, $ln_overall_hit,
+ $fn_overall_found, $fn_overall_hit,
+ $br_overall_found, $br_overall_hit) = add_traces();
}
elsif ($remove)
{
- remove();
+ ($ln_overall_found, $ln_overall_hit,
+ $fn_overall_found, $fn_overall_hit,
+ $br_overall_found, $br_overall_hit) = remove();
}
elsif ($extract)
{
- extract();
+ ($ln_overall_found, $ln_overall_hit,
+ $fn_overall_found, $fn_overall_hit,
+ $br_overall_found, $br_overall_hit) = extract();
}
elsif ($list)
{
@@ -359,10 +425,20 @@ elsif ($diff)
die("ERROR: option --diff requires one additional argument!\n".
"Use $tool_name --help to get usage information\n");
}
- diff();
+ ($ln_overall_found, $ln_overall_hit,
+ $fn_overall_found, $fn_overall_hit,
+ $br_overall_found, $br_overall_hit) = diff();
}
-info("Done.\n");
+temp_cleanup();
+
+if (defined($ln_overall_found)) {
+ print_overall_rate(1, $ln_overall_found, $ln_overall_hit,
+ 1, $fn_overall_found, $fn_overall_hit,
+ 1, $br_overall_found, $br_overall_hit);
+} else {
+ info("Done.\n") if (!$list && !$capture);
+}
exit(0);
#
@@ -410,8 +486,13 @@ Options:
--(no-)checksum Enable (disable) line checksumming
--(no-)compat-libtool Enable (disable) libtool compatibility mode
--gcov-tool TOOL Specify gcov tool location
- --ignore-errors ERRORS Continue after ERRORS (gcov, source)
- --no-recursion Exlude subdirectories from processing
+ --ignore-errors ERRORS Continue after ERRORS (gcov, source, graph)
+ --no-recursion Exclude subdirectories from processing
+ --to-package FILENAME Store unprocessed coverage data in FILENAME
+ --from-package FILENAME Capture from unprocessed data in FILENAME
+ --no-markers Ignore exclusion markers in source code
+ --derive-func-data Generate function data from line data
+ --list-full-path Print full path during a list operation
For more information see: $lcov_url
END_OF_USAGE
@@ -483,19 +564,197 @@ sub userspace_reset()
#
# userspace_capture()
#
-# Capture coverage data found in DIRECTORY and write it to OUTPUT_FILENAME
-# if specified, otherwise to STDOUT.
+# Capture coverage data found in DIRECTORY and write it to a package (if
+# TO_PACKAGE specified) or to OUTPUT_FILENAME or STDOUT.
#
# Die on error.
#
sub userspace_capture()
{
+ my $dir;
+ my $build;
+
+ if (!defined($to_package)) {
+ lcov_geninfo(@directory);
+ return;
+ }
+ if (scalar(@directory) != 1) {
+ die("ERROR: -d may be specified only once with --to-package\n");
+ }
+ $dir = $directory[0];
+ if (defined($base_directory)) {
+ $build = $base_directory;
+ } else {
+ $build = $dir;
+ }
+ create_package($to_package, $dir, $build);
+}
+
+
+#
+# kernel_reset()
+#
+# Reset kernel coverage.
+#
+# Die on error.
+#
+
+sub kernel_reset()
+{
+ local *HANDLE;
+ my $reset_file;
+
+ info("Resetting kernel execution counters\n");
+ if (-e "$gcov_dir/vmlinux") {
+ $reset_file = "$gcov_dir/vmlinux";
+ } elsif (-e "$gcov_dir/reset") {
+ $reset_file = "$gcov_dir/reset";
+ } else {
+ die("ERROR: no reset control found in $gcov_dir\n");
+ }
+ open(HANDLE, ">$reset_file") or
+ die("ERROR: cannot write to $reset_file!\n");
+ print(HANDLE "0");
+ close(HANDLE);
+}
+
+
+#
+# lcov_copy_single(from, to)
+#
+# Copy single regular file FROM to TO without checking its size. This is
+# required to work with special files generated by the kernel
+# seq_file-interface.
+#
+#
+sub lcov_copy_single($$)
+{
+ my ($from, $to) = @_;
+ my $content;
+ local $/;
+ local *HANDLE;
+
+ open(HANDLE, "<$from") or die("ERROR: cannot read $from: $!\n");
+ $content = <HANDLE>;
+ close(HANDLE);
+ open(HANDLE, ">$to") or die("ERROR: cannot write $from: $!\n");
+ if (defined($content)) {
+ print(HANDLE $content);
+ }
+ close(HANDLE);
+}
+
+#
+# lcov_find(dir, function, data[, extension, ...)])
+#
+# Search DIR for files and directories whose name matches PATTERN and run
+# FUNCTION for each match. If not pattern is specified, match all names.
+#
+# FUNCTION has the following prototype:
+# function(dir, relative_name, data)
+#
+# Where:
+# dir: the base directory for this search
+# relative_name: the name relative to the base directory of this entry
+# data: the DATA variable passed to lcov_find
+#
+sub lcov_find($$$;@)
+{
+ my ($dir, $fn, $data, @pattern) = @_;
+ my $result;
+ my $_fn = sub {
+ my $filename = $File::Find::name;
+
+ if (defined($result)) {
+ return;
+ }
+ $filename = abs2rel($filename, $dir);
+ foreach (@pattern) {
+ if ($filename =~ /$_/) {
+ goto ok;
+ }
+ }
+ return;
+ ok:
+ $result = &$fn($dir, $filename, $data);
+ };
+ if (scalar(@pattern) == 0) {
+ @pattern = ".*";
+ }
+ find( { wanted => $_fn, no_chdir => 1 }, $dir);
+
+ return $result;
+}
+
+#
+# lcov_copy_fn(from, rel, to)
+#
+# Copy directories, files and links from/rel to to/rel.
+#
+
+sub lcov_copy_fn($$$)
+{
+ my ($from, $rel, $to) = @_;
+ my $absfrom = canonpath(catfile($from, $rel));
+ my $absto = canonpath(catfile($to, $rel));
+
+ if (-d) {
+ if (! -d $absto) {
+ mkpath($absto) or
+ die("ERROR: cannot create directory $absto\n");
+ chmod(0700, $absto);
+ }
+ } elsif (-l) {
+ # Copy symbolic link
+ my $link = readlink($absfrom);
+
+ if (!defined($link)) {
+ die("ERROR: cannot read link $absfrom: $!\n");
+ }
+ symlink($link, $absto) or
+ die("ERROR: cannot create link $absto: $!\n");
+ } else {
+ lcov_copy_single($absfrom, $absto);
+ chmod(0600, $absto);
+ }
+ return undef;
+}
+
+#
+# lcov_copy(from, to, subdirs)
+#
+# Copy all specified SUBDIRS and files from directory FROM to directory TO. For
+# regular files, copy file contents without checking its size. This is required
+# to work with seq_file-generated files.
+#
+
+sub lcov_copy($$;@)
+{
+ my ($from, $to, @subdirs) = @_;
+ my @pattern;
+
+ foreach (@subdirs) {
+ push(@pattern, "^$_");
+ }
+ lcov_find($from, \&lcov_copy_fn, $to, @pattern);
+}
+
+#
+# lcov_geninfo(directory)
+#
+# Call geninfo for the specified directory and with the parameters specified
+# at the command line.
+#
+
+sub lcov_geninfo(@)
+{
+ my (@dir) = @_;
my @param;
- my $file_list = join(" ", @directory);
- info("Capturing coverage data from $file_list\n");
- @param = ("$tool_dir/geninfo", @directory);
+ # Capture data
+ info("Capturing coverage data from ".join(" ", @dir)."\n");
+ @param = ("$tool_dir/geninfo", @dir);
if ($output_filename)
{
@param = (@param, "--output-filename", $output_filename);
@@ -547,172 +806,443 @@ sub userspace_capture()
{
@param = (@param, "--initial");
}
- if ($no_recursion)
+ if ($no_markers)
{
- @param = (@param, "--no-recursion");
+ @param = (@param, "--no-markers");
}
-
- system(@param);
- exit($? >> 8);
+ if ($opt_derive_func_data)
+ {
+ @param = (@param, "--derive-func-data");
+ }
+ if ($opt_debug)
+ {
+ @param = (@param, "--debug");
+ }
+ system(@param) and exit($? >> 8);
}
-
#
-# kernel_reset()
+# read_file(filename)
#
-# Reset kernel coverage.
-#
-# Die on error.
+# Return the contents of the file defined by filename.
#
-sub kernel_reset()
+sub read_file($)
{
+ my ($filename) = @_;
+ my $content;
+ local $\;
local *HANDLE;
- check_and_load_kernel_module();
- info("Resetting kernel execution counters\n");
- open(HANDLE, ">$gcov_dir/vmlinux") or
- die("ERROR: cannot write to $gcov_dir/vmlinux!\n");
- print(HANDLE "0");
+ open(HANDLE, "<$filename") || return undef;
+ $content = <HANDLE>;
close(HANDLE);
- # Unload module if we loaded it in the first place
- if ($need_unload)
- {
- unload_module($need_unload);
- }
+ return $content;
}
+#
+# get_package(package_file)
+#
+# Unpack unprocessed coverage data files from package_file to a temporary
+# directory and return directory name, build directory and gcov kernel version
+# as found in package.
+#
+
+sub get_package($)
+{
+ my ($file) = @_;
+ my $dir = create_temp_dir();
+ my $gkv;
+ my $build;
+ my $cwd = getcwd();
+ my $count;
+ local *HANDLE;
+
+ info("Reading package $file:\n");
+ info(" data directory .......: $dir\n");
+ $file = abs_path($file);
+ chdir($dir);
+ open(HANDLE, "tar xvfz $file 2>/dev/null|")
+ or die("ERROR: could not process package $file\n");
+ while (<HANDLE>) {
+ if (/\.da$/ || /\.gcda$/) {
+ $count++;
+ }
+ }
+ close(HANDLE);
+ $build = read_file("$dir/$pkg_build_file");
+ if (defined($build)) {
+ info(" build directory ......: $build\n");
+ }
+ $gkv = read_file("$dir/$pkg_gkv_file");
+ if (defined($gkv)) {
+ $gkv = int($gkv);
+ if ($gkv != $GKV_PROC && $gkv != $GKV_SYS) {
+ die("ERROR: unsupported gcov kernel version found ".
+ "($gkv)\n");
+ }
+ info(" content type .........: kernel data\n");
+ info(" gcov kernel version ..: %s\n", $GKV_NAME[$gkv]);
+ } else {
+ info(" content type .........: application data\n");
+ }
+ info(" data files ...........: $count\n");
+ chdir($cwd);
+
+ return ($dir, $build, $gkv);
+}
#
-# kernel_capture()
+# write_file(filename, $content)
#
-# Capture kernel coverage data and write it to OUTPUT_FILENAME if specified,
-# otherwise stdout.
+# Create a file named filename and write the specified content to it.
#
-sub kernel_capture()
+sub write_file($$)
{
- my @param;
+ my ($filename, $content) = @_;
+ local *HANDLE;
- check_and_load_kernel_module();
+ open(HANDLE, ">$filename") || return 0;
+ print(HANDLE $content);
+ close(HANDLE) || return 0;
- # Make sure the temporary directory is removed upon script termination
- END
- {
- if ($temp_dir_name)
- {
- stat($temp_dir_name);
- if (-r _)
- {
- info("Removing temporary directory ".
- "$temp_dir_name\n");
-
- # Remove temporary directory
- system("rm", "-rf", $temp_dir_name)
- and warn("WARNING: cannot remove ".
- "temporary directory ".
- "$temp_dir_name!\n");
- }
+ return 1;
+}
+
+# count_package_data(filename)
+#
+# Count the number of coverage data files in the specified package file.
+#
+
+sub count_package_data($)
+{
+ my ($filename) = @_;
+ local *HANDLE;
+ my $count = 0;
+
+ open(HANDLE, "tar tfz $filename|") or return undef;
+ while (<HANDLE>) {
+ if (/\.da$/ || /\.gcda$/) {
+ $count++;
}
}
+ close(HANDLE);
+ return $count;
+}
- # Get temporary directory
- $temp_dir_name = create_temp_dir();
-
- info("Copying kernel data to temporary directory $temp_dir_name\n");
+#
+# create_package(package_file, source_directory, build_directory[,
+# kernel_gcov_version])
+#
+# Store unprocessed coverage data files from source_directory to package_file.
+#
- if (!@kernel_directory)
- {
- # Copy files from gcov kernel directory
- system("cp", "-dr", $gcov_dir, $temp_dir_name)
- and die("ERROR: cannot copy files from $gcov_dir!\n");
+sub create_package($$$;$)
+{
+ my ($file, $dir, $build, $gkv) = @_;
+ my $cwd = getcwd();
+
+ # Print information about the package
+ info("Creating package $file:\n");
+ info(" data directory .......: $dir\n");
+
+ # Handle build directory
+ if (defined($build)) {
+ info(" build directory ......: $build\n");
+ write_file("$dir/$pkg_build_file", $build)
+ or die("ERROR: could not write to ".
+ "$dir/$pkg_build_file\n");
}
- else
- {
- # Prefix list of kernel sub-directories with the gcov kernel
- # directory
- @kernel_directory = map("$gcov_dir/$_", @kernel_directory);
- # Copy files from gcov kernel directory
- system("cp", "-dr", @kernel_directory, $temp_dir_name)
- and die("ERROR: cannot copy files from ".
- join(" ", @kernel_directory)."!\n");
+ # Handle gcov kernel version data
+ if (defined($gkv)) {
+ info(" content type .........: kernel data\n");
+ info(" gcov kernel version ..: %s\n", $GKV_NAME[$gkv]);
+ write_file("$dir/$pkg_gkv_file", $gkv)
+ or die("ERROR: could not write to ".
+ "$dir/$pkg_gkv_file\n");
+ } else {
+ info(" content type .........: application data\n");
}
- # Make directories writable
- system("find", $temp_dir_name, "-type", "d", "-exec", "chmod", "u+w",
- "{}", ";")
- and die("ERROR: cannot modify access rights for ".
- "$temp_dir_name!\n");
+ # Create package
+ $file = abs_path($file);
+ chdir($dir);
+ system("tar cfz $file .")
+ and die("ERROR: could not create package $file\n");
- # Make files writable
- system("find", $temp_dir_name, "-type", "f", "-exec", "chmod", "u+w",
- "{}", ";")
- and die("ERROR: cannot modify access rights for ".
- "$temp_dir_name!\n");
+ # Remove temporary files
+ unlink("$dir/$pkg_build_file");
+ unlink("$dir/$pkg_gkv_file");
- # Capture data
- info("Capturing coverage data from $temp_dir_name\n");
- @param = ("$tool_dir/geninfo", $temp_dir_name);
- if ($output_filename)
- {
- @param = (@param, "--output-filename", $output_filename);
+ # Show number of data files
+ if (!$quiet) {
+ my $count = count_package_data($file);
+
+ if (defined($count)) {
+ info(" data files ...........: $count\n");
+ }
}
- if ($test_name)
- {
- @param = (@param, "--test-name", $test_name);
+ chdir($cwd);
+}
+
+sub find_link_fn($$$)
+{
+ my ($from, $rel, $filename) = @_;
+ my $absfile = catfile($from, $rel, $filename);
+
+ if (-l $absfile) {
+ return $absfile;
}
- if ($follow)
- {
- @param = (@param, "--follow");
+ return undef;
+}
+
+#
+# get_base(dir)
+#
+# Return (BASE, OBJ), where
+# - BASE: is the path to the kernel base directory relative to dir
+# - OBJ: is the absolute path to the kernel build directory
+#
+
+sub get_base($)
+{
+ my ($dir) = @_;
+ my $marker = "kernel/gcov/base.gcno";
+ my $markerfile;
+ my $sys;
+ my $obj;
+ my $link;
+
+ $markerfile = lcov_find($dir, \&find_link_fn, $marker);
+ if (!defined($markerfile)) {
+ return (undef, undef);
}
- if ($quiet)
- {
- @param = (@param, "--quiet");
+
+ # sys base is parent of parent of markerfile.
+ $sys = abs2rel(dirname(dirname(dirname($markerfile))), $dir);
+
+ # obj base is parent of parent of markerfile link target.
+ $link = readlink($markerfile);
+ if (!defined($link)) {
+ die("ERROR: could not read $markerfile\n");
}
- if (defined($checksum))
- {
- if ($checksum)
- {
- @param = (@param, "--checksum");
+ $obj = dirname(dirname(dirname($link)));
+
+ return ($sys, $obj);
+}
+
+#
+# apply_base_dir(data_dir, base_dir, build_dir, @directories)
+#
+# Make entries in @directories relative to data_dir.
+#
+
+sub apply_base_dir($$$@)
+{
+ my ($data, $base, $build, @dirs) = @_;
+ my $dir;
+ my @result;
+
+ foreach $dir (@dirs) {
+ # Is directory path relative to data directory?
+ if (-d catdir($data, $dir)) {
+ push(@result, $dir);
+ next;
}
- else
- {
- @param = (@param, "--no-checksum");
+ # Relative to the auto-detected base-directory?
+ if (defined($base)) {
+ if (-d catdir($data, $base, $dir)) {
+ push(@result, catdir($base, $dir));
+ next;
+ }
+ }
+ # Relative to the specified base-directory?
+ if (defined($base_directory)) {
+ if (file_name_is_absolute($base_directory)) {
+ $base = abs2rel($base_directory, rootdir());
+ } else {
+ $base = $base_directory;
+ }
+ if (-d catdir($data, $base, $dir)) {
+ push(@result, catdir($base, $dir));
+ next;
+ }
}
+ # Relative to the build directory?
+ if (defined($build)) {
+ if (file_name_is_absolute($build)) {
+ $base = abs2rel($build, rootdir());
+ } else {
+ $base = $build;
+ }
+ if (-d catdir($data, $base, $dir)) {
+ push(@result, catdir($base, $dir));
+ next;
+ }
+ }
+ die("ERROR: subdirectory $dir not found\n".
+ "Please use -b to specify the correct directory\n");
}
- if ($base_directory)
- {
- @param = (@param, "--base-directory", $base_directory);
+ return @result;
+}
+
+#
+# copy_gcov_dir(dir, [@subdirectories])
+#
+# Create a temporary directory and copy all or, if specified, only some
+# subdirectories from dir to that directory. Return the name of the temporary
+# directory.
+#
+
+sub copy_gcov_dir($;@)
+{
+ my ($data, @dirs) = @_;
+ my $tempdir = create_temp_dir();
+
+ info("Copying data to temporary directory $tempdir\n");
+ lcov_copy($data, $tempdir, @dirs);
+
+ return $tempdir;
+}
+
+#
+# kernel_capture_initial
+#
+# Capture initial kernel coverage data, i.e. create a coverage data file from
+# static graph files which contains zero coverage data for all instrumented
+# lines.
+#
+
+sub kernel_capture_initial()
+{
+ my $build;
+ my $source;
+ my @params;
+
+ if (defined($base_directory)) {
+ $build = $base_directory;
+ $source = "specified";
+ } else {
+ (undef, $build) = get_base($gcov_dir);
+ if (!defined($build)) {
+ die("ERROR: could not auto-detect build directory.\n".
+ "Please use -b to specify the build directory\n");
+ }
+ $source = "auto-detected";
}
- if ($no_compat_libtool)
- {
- @param = (@param, "--no-compat-libtool");
+ info("Using $build as kernel build directory ($source)\n");
+ # Build directory needs to be passed to geninfo
+ $base_directory = $build;
+ if (@kernel_directory) {
+ foreach my $dir (@kernel_directory) {
+ push(@params, "$build/$dir");
+ }
+ } else {
+ push(@params, $build);
}
- elsif ($compat_libtool)
- {
- @param = (@param, "--compat-libtool");
+ lcov_geninfo(@params);
+}
+
+#
+# kernel_capture_from_dir(directory, gcov_kernel_version, build)
+#
+# Perform the actual kernel coverage capturing from the specified directory
+# assuming that the data was copied from the specified gcov kernel version.
+#
+
+sub kernel_capture_from_dir($$$)
+{
+ my ($dir, $gkv, $build) = @_;
+
+ # Create package or coverage file
+ if (defined($to_package)) {
+ create_package($to_package, $dir, $build, $gkv);
+ } else {
+ # Build directory needs to be passed to geninfo
+ $base_directory = $build;
+ lcov_geninfo($dir);
}
- if ($gcov_tool)
- {
- @param = (@param, "--gcov-tool", $gcov_tool);
+}
+
+#
+# adjust_kernel_dir(dir, build)
+#
+# Adjust directories specified with -k so that they point to the directory
+# relative to DIR. Return the build directory if specified or the auto-
+# detected build-directory.
+#
+
+sub adjust_kernel_dir($$)
+{
+ my ($dir, $build) = @_;
+ my ($sys_base, $build_auto) = get_base($dir);
+
+ if (!defined($build)) {
+ $build = $build_auto;
}
- if ($ignore_errors)
- {
- @param = (@param, "--ignore-errors", $ignore_errors);
+ if (!defined($build)) {
+ die("ERROR: could not auto-detect build directory.\n".
+ "Please use -b to specify the build directory\n");
}
- if ($initial)
- {
- @param = (@param, "--initial");
+ # Make @kernel_directory relative to sysfs base
+ if (@kernel_directory) {
+ @kernel_directory = apply_base_dir($dir, $sys_base, $build,
+ @kernel_directory);
}
- system(@param) and exit($? >> 8);
+ return $build;
+}
+sub kernel_capture()
+{
+ my $data_dir;
+ my $build = $base_directory;
- # Unload module if we loaded it in the first place
- if ($need_unload)
- {
- unload_module($need_unload);
+ if ($gcov_gkv == $GKV_SYS) {
+ $build = adjust_kernel_dir($gcov_dir, $build);
+ }
+ $data_dir = copy_gcov_dir($gcov_dir, @kernel_directory);
+ kernel_capture_from_dir($data_dir, $gcov_gkv, $build);
+}
+
+#
+# package_capture()
+#
+# Capture coverage data from a package of unprocessed coverage data files
+# as generated by lcov --to-package.
+#
+
+sub package_capture()
+{
+ my $dir;
+ my $build;
+ my $gkv;
+
+ ($dir, $build, $gkv) = get_package($from_package);
+
+ # Check for build directory
+ if (defined($base_directory)) {
+ if (defined($build)) {
+ info("Using build directory specified by -b.\n");
+ }
+ $build = $base_directory;
+ }
+
+ # Do the actual capture
+ if (defined($gkv)) {
+ if ($gkv == $GKV_SYS) {
+ $build = adjust_kernel_dir($dir, $build);
+ }
+ if (@kernel_directory) {
+ $dir = copy_gcov_dir($dir, @kernel_directory);
+ }
+ kernel_capture_from_dir($dir, $gkv, $build);
+ } else {
+ # Build directory needs to be passed to geninfo
+ $base_directory = $build;
+ lcov_geninfo($dir);
}
}
@@ -731,11 +1261,11 @@ sub info(@)
# Print info string
if ($to_file)
{
- print(@_)
+ printf(@_)
}
else
{
- # Don't interfer with the .info output to STDOUT
+ # Don't interfere with the .info output to STDOUT
printf(STDERR @_);
}
}
@@ -743,133 +1273,209 @@ sub info(@)
#
-# Check if the gcov kernel module is loaded. If it is, exit, if not, try
-# to load it.
+# create_temp_dir()
+#
+# Create a temporary directory and return its path.
#
# Die on error.
#
-sub check_and_load_kernel_module()
+sub create_temp_dir()
{
- my $module_name;
-
- # Is it loaded already?
- stat("$gcov_dir");
- if (-r _) { return(); }
+ my $dir;
- info("Loading required gcov kernel module.\n");
-
- # Do we have access to the insmod tool?
- stat($insmod_tool);
- if (!-x _)
- {
- die("ERROR: need insmod tool ($insmod_tool) to access kernel ".
- "coverage data!\n");
+ if (defined($tmp_dir)) {
+ $dir = tempdir(DIR => $tmp_dir, CLEANUP => 1);
+ } else {
+ $dir = tempdir(CLEANUP => 1);
}
- # Do we have access to the modprobe tool?
- stat($modprobe_tool);
- if (!-x _)
- {
- die("ERROR: need modprobe tool ($modprobe_tool) to access ".
- "kernel coverage data!\n");
+ if (!defined($dir)) {
+ die("ERROR: cannot create temporary directory\n");
}
+ push(@temp_dirs, $dir);
- # Try some possibilities of where the gcov kernel module may be found
- foreach $module_name (@gcovmod)
- {
- # Try to load module from system wide module directory
- # /lib/modules
- if (system_no_output(3, $modprobe_tool, $module_name) == 0)
- {
- # Succeeded
- $need_unload = $module_name;
- return();
- }
+ return $dir;
+}
- # Try to load linux 2.5/2.6 module from tool directory
- if (system_no_output(3, $insmod_tool,
- "$tool_dir/$module_name.ko") == 0)
- {
- # Succeeded
- $need_unload = $module_name;
- return();
- }
- # Try to load linux 2.4 module from tool directory
- if (system_no_output(3, $insmod_tool,
- "$tool_dir/$module_name.o") == 0)
- {
- # Succeeded
- $need_unload = $module_name;
- return();
- }
- }
+#
+# br_taken_to_num(taken)
+#
+# Convert a branch taken value .info format to number format.
+#
- # Hm, loading failed - maybe we aren't root?
- if ($> != 0)
- {
- die("ERROR: need root access to load kernel module!\n");
- }
+sub br_taken_to_num($)
+{
+ my ($taken) = @_;
- die("ERROR: cannot load required gcov kernel module!\n");
+ return 0 if ($taken eq '-');
+ return $taken + 1;
}
#
-# unload_module()
+# br_num_to_taken(taken)
#
-# Unload the gcov kernel module.
+# Convert a branch taken value in number format to .info format.
#
-sub unload_module($)
+sub br_num_to_taken($)
{
- my $module = $_[0];
+ my ($taken) = @_;
- info("Unloading kernel module $module\n");
+ return '-' if ($taken == 0);
+ return $taken - 1;
+}
- # Do we have access to the rmmod tool?
- stat($rmmod_tool);
- if (!-x _)
- {
- warn("WARNING: cannot execute rmmod tool at $rmmod_tool - ".
- "gcov module still loaded!\n");
+
+#
+# br_taken_add(taken1, taken2)
+#
+# Return the result of taken1 + taken2 for 'branch taken' values.
+#
+
+sub br_taken_add($$)
+{
+ my ($t1, $t2) = @_;
+
+ return $t1 if (!defined($t2));
+ return $t2 if (!defined($t1));
+ return $t1 if ($t2 eq '-');
+ return $t2 if ($t1 eq '-');
+ return $t1 + $t2;
+}
+
+
+#
+# br_taken_sub(taken1, taken2)
+#
+# Return the result of taken1 - taken2 for 'branch taken' values. Return 0
+# if the result would become negative.
+#
+
+sub br_taken_sub($$)
+{
+ my ($t1, $t2) = @_;
+
+ return $t1 if (!defined($t2));
+ return undef if (!defined($t1));
+ return $t1 if ($t1 eq '-');
+ return $t1 if ($t2 eq '-');
+ return 0 if $t2 > $t1;
+ return $t1 - $t2;
+}
+
+
+#
+#
+# br_ivec_len(vector)
+#
+# Return the number of entries in the branch coverage vector.
+#
+
+sub br_ivec_len($)
+{
+ my ($vec) = @_;
+
+ return 0 if (!defined($vec));
+ return (length($vec) * 8 / $BR_VEC_WIDTH) / $BR_VEC_ENTRIES;
+}
+
+
+#
+# br_ivec_push(vector, block, branch, taken)
+#
+# Add an entry to the branch coverage vector. If an entry with the same
+# branch ID already exists, add the corresponding taken values.
+#
+
+sub br_ivec_push($$$$)
+{
+ my ($vec, $block, $branch, $taken) = @_;
+ my $offset;
+ my $num = br_ivec_len($vec);
+ my $i;
+
+ $vec = "" if (!defined($vec));
+
+ # Check if branch already exists in vector
+ for ($i = 0; $i < $num; $i++) {
+ my ($v_block, $v_branch, $v_taken) = br_ivec_get($vec, $i);
+
+ next if ($v_block != $block || $v_branch != $branch);
+
+ # Add taken counts
+ $taken = br_taken_add($taken, $v_taken);
+ last;
}
- # Unload gcov kernel module
- system_no_output(1, $rmmod_tool, $module)
- and warn("WARNING: cannot unload gcov kernel module ".
- "$module!\n");
+ $offset = $i * $BR_VEC_ENTRIES;
+ $taken = br_taken_to_num($taken);
+
+ # Add to vector
+ vec($vec, $offset + $BR_BLOCK, $BR_VEC_WIDTH) = $block;
+ vec($vec, $offset + $BR_BRANCH, $BR_VEC_WIDTH) = $branch;
+ vec($vec, $offset + $BR_TAKEN, $BR_VEC_WIDTH) = $taken;
+
+ return $vec;
}
#
-# create_temp_dir()
+# br_ivec_get(vector, number)
#
-# Create a temporary directory and return its path.
+# Return an entry from the branch coverage vector.
#
-# Die on error.
+
+sub br_ivec_get($$)
+{
+ my ($vec, $num) = @_;
+ my $block;
+ my $branch;
+ my $taken;
+ my $offset = $num * $BR_VEC_ENTRIES;
+
+ # Retrieve data from vector
+ $block = vec($vec, $offset + $BR_BLOCK, $BR_VEC_WIDTH);
+ $branch = vec($vec, $offset + $BR_BRANCH, $BR_VEC_WIDTH);
+ $taken = vec($vec, $offset + $BR_TAKEN, $BR_VEC_WIDTH);
+
+ # Decode taken value from an integer
+ $taken = br_num_to_taken($taken);
+
+ return ($block, $branch, $taken);
+}
+
+
+#
+# get_br_found_and_hit(brcount)
+#
+# Return (br_found, br_hit) for brcount
#
-sub create_temp_dir()
+sub get_br_found_and_hit($)
{
- my $dirname;
- my $number = sprintf("%d", rand(1000));
+ my ($brcount) = @_;
+ my $line;
+ my $br_found = 0;
+ my $br_hit = 0;
- # Endless loops are evil
- while ($number++ < 1000)
- {
- $dirname = "$tmp_dir/$tmp_prefix$number";
- stat($dirname);
- if (-e _) { next; }
+ foreach $line (keys(%{$brcount})) {
+ my $brdata = $brcount->{$line};
+ my $i;
+ my $num = br_ivec_len($brdata);
- mkdir($dirname)
- or die("ERROR: cannot create temporary directory ".
- "$dirname!\n");
+ for ($i = 0; $i < $num; $i++) {
+ my $taken;
- return($dirname);
+ (undef, undef, $taken) = br_ivec_get($brdata, $i);
+
+ $br_found++;
+ $br_hit++ if ($taken ne "-" && $taken > 0);
+ }
}
- die("ERROR: cannot create temporary directory in $tmp_dir!\n");
+ return ($br_found, $br_hit);
}
@@ -889,16 +1495,22 @@ sub create_temp_dir()
# "check" -> \%checkdata
# "testfnc" -> \%testfncdata
# "sumfnc" -> \%sumfnccount
+# "testbr" -> \%testbrdata
+# "sumbr" -> \%sumbrcount
#
# %testdata : name of test affecting this file -> \%testcount
# %testfncdata: name of test affecting this file -> \%testfnccount
+# %testbrdata: name of test affecting this file -> \%testbrcount
#
# %testcount : line number -> execution count for a single test
# %testfnccount: function name -> execution count for a single test
+# %testbrcount : line number -> branch coverage data for a single test
# %sumcount : line number -> execution count for all tests
# %sumfnccount : function name -> execution count for all tests
+# %sumbrcount : line number -> branch coverage data for all tests
# %funcdata : function name -> line number
# %checkdata : line number -> checksum of source code line
+# $brdata : vector of items: block, branch, taken
#
# Note that .info file sections referring to the same file and test name
# will automatically be combined by adding all execution counts.
@@ -923,6 +1535,9 @@ sub read_info_file($)
my $testfncdata;
my $testfnccount;
my $sumfnccount;
+ my $testbrdata;
+ my $testbrcount;
+ my $sumbrcount;
my $line; # Current line read from .info file
my $testname; # Current test name
my $filename; # Current filename
@@ -981,7 +1596,7 @@ sub read_info_file($)
# Switch statement
foreach ($line)
{
- /^TN:([^,]*)/ && do
+ /^TN:([^,]*)(,diff)?/ && do
{
# Test name information found
$testname = defined($1) ? $1 : "";
@@ -989,6 +1604,7 @@ sub read_info_file($)
{
$changed_testname = 1;
}
+ $testname .= $2 if (defined($2));
last;
};
@@ -1000,18 +1616,21 @@ sub read_info_file($)
$data = $result{$filename};
($testdata, $sumcount, $funcdata, $checkdata,
- $testfncdata, $sumfnccount) =
+ $testfncdata, $sumfnccount, $testbrdata,
+ $sumbrcount) =
get_info_entry($data);
if (defined($testname))
{
$testcount = $testdata->{$testname};
$testfnccount = $testfncdata->{$testname};
+ $testbrcount = $testbrdata->{$testname};
}
else
{
$testcount = {};
$testfnccount = {};
+ $testbrcount = {};
}
last;
};
@@ -1084,6 +1703,27 @@ sub read_info_file($)
}
last;
};
+
+ /^BRDA:(\d+),(\d+),(\d+),(\d+|-)/ && do {
+ # Branch coverage data found
+ my ($line, $block, $branch, $taken) =
+ ($1, $2, $3, $4);
+
+ $sumbrcount->{$line} =
+ br_ivec_push($sumbrcount->{$line},
+ $block, $branch, $taken);
+
+ # Add test-specific counts
+ if (defined($testname)) {
+ $testbrcount->{$line} =
+ br_ivec_push(
+ $testbrcount->{$line},
+ $block, $branch,
+ $taken);
+ }
+ last;
+ };
+
/^end_of_record/ && do
{
# Found end of section marker
@@ -1096,12 +1736,16 @@ sub read_info_file($)
$testcount;
$testfncdata->{$testname} =
$testfnccount;
+ $testbrdata->{$testname} =
+ $testbrcount;
}
set_info_entry($data, $testdata,
$sumcount, $funcdata,
$checkdata, $testfncdata,
- $sumfnccount);
+ $sumfnccount,
+ $testbrdata,
+ $sumbrcount);
$result{$filename} = $data;
last;
}
@@ -1119,7 +1763,8 @@ sub read_info_file($)
$data = $result{$filename};
($testdata, $sumcount, undef, undef, $testfncdata,
- $sumfnccount) = get_info_entry($data);
+ $sumfnccount, $testbrdata, $sumbrcount) =
+ get_info_entry($data);
# Filter out empty files
if (scalar(keys(%{$sumcount})) == 0)
@@ -1158,6 +1803,14 @@ sub read_info_file($)
}
}
$data->{"f_hit"} = $hitcount;
+
+ # Get found/hit values for branch data
+ {
+ my ($br_found, $br_hit) = get_br_found_and_hit($sumbrcount);
+
+ $data->{"b_found"} = $br_found;
+ $data->{"b_hit"} = $br_hit;
+ }
}
if (scalar(keys(%result)) == 0)
@@ -1185,8 +1838,9 @@ sub read_info_file($)
# Retrieve data from an entry of the structure generated by read_info_file().
# Return a list of references to hashes:
# (test data hash ref, sum count hash ref, funcdata hash ref, checkdata hash
-# ref, testfncdata hash ref, sumfnccount hash ref, lines found, lines hit,
-# functions found, functions hit)
+# ref, testfncdata hash ref, sumfnccount hash ref, testbrdata hash ref,
+# sumbrcount hash ref, lines found, lines hit, functions found,
+# functions hit, branches found, branches hit)
#
sub get_info_entry($)
@@ -1197,26 +1851,32 @@ sub get_info_entry($)
my $checkdata_ref = $_[0]->{"check"};
my $testfncdata = $_[0]->{"testfnc"};
my $sumfnccount = $_[0]->{"sumfnc"};
+ my $testbrdata = $_[0]->{"testbr"};
+ my $sumbrcount = $_[0]->{"sumbr"};
my $lines_found = $_[0]->{"found"};
my $lines_hit = $_[0]->{"hit"};
my $f_found = $_[0]->{"f_found"};
my $f_hit = $_[0]->{"f_hit"};
+ my $br_found = $_[0]->{"b_found"};
+ my $br_hit = $_[0]->{"b_hit"};
return ($testdata_ref, $sumcount_ref, $funcdata_ref, $checkdata_ref,
- $testfncdata, $sumfnccount, $lines_found, $lines_hit,
- $f_found, $f_hit);
+ $testfncdata, $sumfnccount, $testbrdata, $sumbrcount,
+ $lines_found, $lines_hit, $f_found, $f_hit,
+ $br_found, $br_hit);
}
#
# set_info_entry(hash_ref, testdata_ref, sumcount_ref, funcdata_ref,
-# checkdata_ref, testfncdata_ref, sumfcncount_ref[,lines_found,
-# lines_hit, f_found, f_hit])
+# checkdata_ref, testfncdata_ref, sumfcncount_ref,
+# testbrdata_ref, sumbrcount_ref[,lines_found,
+# lines_hit, f_found, f_hit, $b_found, $b_hit])
#
# Update the hash referenced by HASH_REF with the provided data references.
#
-sub set_info_entry($$$$$$$;$$$$)
+sub set_info_entry($$$$$$$$$;$$$$$$)
{
my $data_ref = $_[0];
@@ -1226,11 +1886,15 @@ sub set_info_entry($$$$$$$;$$$$)
$data_ref->{"check"} = $_[4];
$data_ref->{"testfnc"} = $_[5];
$data_ref->{"sumfnc"} = $_[6];
-
- if (defined($_[7])) { $data_ref->{"found"} = $_[7]; }
- if (defined($_[8])) { $data_ref->{"hit"} = $_[8]; }
- if (defined($_[9])) { $data_ref->{"f_found"} = $_[9]; }
- if (defined($_[10])) { $data_ref->{"f_hit"} = $_[10]; }
+ $data_ref->{"testbr"} = $_[7];
+ $data_ref->{"sumbr"} = $_[8];
+
+ if (defined($_[9])) { $data_ref->{"found"} = $_[9]; }
+ if (defined($_[10])) { $data_ref->{"hit"} = $_[10]; }
+ if (defined($_[11])) { $data_ref->{"f_found"} = $_[11]; }
+ if (defined($_[12])) { $data_ref->{"f_hit"} = $_[12]; }
+ if (defined($_[13])) { $data_ref->{"b_found"} = $_[13]; }
+ if (defined($_[14])) { $data_ref->{"b_hit"} = $_[14]; }
}
@@ -1338,7 +2002,9 @@ sub merge_func_data($$$)
my %result;
my $func;
- %result = %{$funcdata1};
+ if (defined($funcdata1)) {
+ %result = %{$funcdata1};
+ }
foreach $func (keys(%{$funcdata2})) {
my $line1 = $result{$func};
@@ -1370,7 +2036,9 @@ sub add_fnccount($$)
my $f_hit;
my $function;
- %result = %{$fnccount1};
+ if (defined($fnccount1)) {
+ %result = %{$fnccount1};
+ }
foreach $function (keys(%{$fnccount2})) {
$result{$function} += $fnccount2->{$function};
}
@@ -1424,6 +2092,167 @@ sub add_testfncdata($$)
return \%result;
}
+
+#
+# brcount_to_db(brcount)
+#
+# Convert brcount data to the following format:
+#
+# db: line number -> block hash
+# block hash: block number -> branch hash
+# branch hash: branch number -> taken value
+#
+
+sub brcount_to_db($)
+{
+ my ($brcount) = @_;
+ my $line;
+ my $db;
+
+ # Add branches from first count to database
+ foreach $line (keys(%{$brcount})) {
+ my $brdata = $brcount->{$line};
+ my $i;
+ my $num = br_ivec_len($brdata);
+
+ for ($i = 0; $i < $num; $i++) {
+ my ($block, $branch, $taken) = br_ivec_get($brdata, $i);
+
+ $db->{$line}->{$block}->{$branch} = $taken;
+ }
+ }
+
+ return $db;
+}
+
+
+#
+# db_to_brcount(db)
+#
+# Convert branch coverage data back to brcount format.
+#
+
+sub db_to_brcount($)
+{
+ my ($db) = @_;
+ my $line;
+ my $brcount = {};
+ my $br_found = 0;
+ my $br_hit = 0;
+
+ # Convert database back to brcount format
+ foreach $line (sort({$a <=> $b} keys(%{$db}))) {
+ my $ldata = $db->{$line};
+ my $brdata;
+ my $block;
+
+ foreach $block (sort({$a <=> $b} keys(%{$ldata}))) {
+ my $bdata = $ldata->{$block};
+ my $branch;
+
+ foreach $branch (sort({$a <=> $b} keys(%{$bdata}))) {
+ my $taken = $bdata->{$branch};
+
+ $br_found++;
+ $br_hit++ if ($taken ne "-" && $taken > 0);
+ $brdata = br_ivec_push($brdata, $block,
+ $branch, $taken);
+ }
+ }
+ $brcount->{$line} = $brdata;
+ }
+
+ return ($brcount, $br_found, $br_hit);
+}
+
+
+# combine_brcount(brcount1, brcount2, type)
+#
+# If add is BR_ADD, add branch coverage data and return list (brcount_added,
+# br_found, br_hit). If add is BR_SUB, subtract the taken values of brcount2
+# from brcount1 and return (brcount_sub, br_found, br_hit).
+#
+
+sub combine_brcount($$$)
+{
+ my ($brcount1, $brcount2, $type) = @_;
+ my $line;
+ my $block;
+ my $branch;
+ my $taken;
+ my $db;
+ my $br_found = 0;
+ my $br_hit = 0;
+ my $result;
+
+ # Convert branches from first count to database
+ $db = brcount_to_db($brcount1);
+ # Combine values from database and second count
+ foreach $line (keys(%{$brcount2})) {
+ my $brdata = $brcount2->{$line};
+ my $num = br_ivec_len($brdata);
+ my $i;
+
+ for ($i = 0; $i < $num; $i++) {
+ ($block, $branch, $taken) = br_ivec_get($brdata, $i);
+ my $new_taken = $db->{$line}->{$block}->{$branch};
+
+ if ($type == $BR_ADD) {
+ $new_taken = br_taken_add($new_taken, $taken);
+ } elsif ($type == $BR_SUB) {
+ $new_taken = br_taken_sub($new_taken, $taken);
+ }
+ $db->{$line}->{$block}->{$branch} = $new_taken
+ if (defined($new_taken));
+ }
+ }
+ # Convert database back to brcount format
+ ($result, $br_found, $br_hit) = db_to_brcount($db);
+
+ return ($result, $br_found, $br_hit);
+}
+
+
+#
+# add_testbrdata(testbrdata1, testbrdata2)
+#
+# Add branch coverage data for several tests. Return reference to
+# added_testbrdata.
+#
+
+sub add_testbrdata($$)
+{
+ my ($testbrdata1, $testbrdata2) = @_;
+ my %result;
+ my $testname;
+
+ foreach $testname (keys(%{$testbrdata1})) {
+ if (defined($testbrdata2->{$testname})) {
+ my $brcount;
+
+ # Branch coverage data for this testname exists
+ # in both data sets: add
+ ($brcount) = combine_brcount(
+ $testbrdata1->{$testname},
+ $testbrdata2->{$testname}, $BR_ADD);
+ $result{$testname} = $brcount;
+ next;
+ }
+ # Branch coverage data for this testname is unique to
+ # data set 1: copy
+ $result{$testname} = $testbrdata1->{$testname};
+ }
+
+ # Add count data for testnames unique to data set 2
+ foreach $testname (keys(%{$testbrdata2})) {
+ if (!defined($result{$testname})) {
+ $result{$testname} = $testbrdata2->{$testname};
+ }
+ }
+ return \%result;
+}
+
+
#
# combine_info_entries(entry_ref1, entry_ref2, filename)
#
@@ -1440,6 +2269,8 @@ sub combine_info_entries($$$)
my $checkdata1;
my $testfncdata1;
my $sumfnccount1;
+ my $testbrdata1;
+ my $sumbrcount1;
my $entry2 = $_[1]; # Reference to hash containing second entry
my $testdata2;
@@ -1448,6 +2279,8 @@ sub combine_info_entries($$$)
my $checkdata2;
my $testfncdata2;
my $sumfnccount2;
+ my $testbrdata2;
+ my $sumbrcount2;
my %result; # Hash containing combined entry
my %result_testdata;
@@ -1455,19 +2288,23 @@ sub combine_info_entries($$$)
my $result_funcdata;
my $result_testfncdata;
my $result_sumfnccount;
+ my $result_testbrdata;
+ my $result_sumbrcount;
my $lines_found;
my $lines_hit;
my $f_found;
my $f_hit;
+ my $br_found;
+ my $br_hit;
my $testname;
my $filename = $_[2];
# Retrieve data
($testdata1, $sumcount1, $funcdata1, $checkdata1, $testfncdata1,
- $sumfnccount1) = get_info_entry($entry1);
+ $sumfnccount1, $testbrdata1, $sumbrcount1) = get_info_entry($entry1);
($testdata2, $sumcount2, $funcdata2, $checkdata2, $testfncdata2,
- $sumfnccount2) = get_info_entry($entry2);
+ $sumfnccount2, $testbrdata2, $sumbrcount2) = get_info_entry($entry2);
# Merge checksums
$checkdata1 = merge_checksums($checkdata1, $checkdata2, $filename);
@@ -1479,7 +2316,12 @@ sub combine_info_entries($$$)
$result_testfncdata = add_testfncdata($testfncdata1, $testfncdata2);
($result_sumfnccount, $f_found, $f_hit) =
add_fnccount($sumfnccount1, $sumfnccount2);
-
+
+ # Combine branch coverage data
+ $result_testbrdata = add_testbrdata($testbrdata1, $testbrdata2);
+ ($result_sumbrcount, $br_found, $br_hit) =
+ combine_brcount($sumbrcount1, $sumbrcount2, $BR_ADD);
+
# Combine testdata
foreach $testname (keys(%{$testdata1}))
{
@@ -1522,8 +2364,9 @@ sub combine_info_entries($$$)
# Store result
set_info_entry(\%result, \%result_testdata, $result_sumcount,
$result_funcdata, $checkdata1, $result_testfncdata,
- $result_sumfnccount, $lines_found, $lines_hit,
- $f_found, $f_hit);
+ $result_sumfnccount, $result_testbrdata,
+ $result_sumbrcount, $lines_found, $lines_hit,
+ $f_found, $f_hit, $br_found, $br_hit);
return(\%result);
}
@@ -1573,6 +2416,7 @@ sub add_traces()
my $total_trace;
my $current_trace;
my $tracefile;
+ my @result;
local *INFO_HANDLE;
info("Combining tracefiles.\n");
@@ -1597,13 +2441,15 @@ sub add_traces()
info("Writing data to $output_filename\n");
open(INFO_HANDLE, ">$output_filename")
or die("ERROR: cannot write to $output_filename!\n");
- write_info_file(*INFO_HANDLE, $total_trace);
+ @result = write_info_file(*INFO_HANDLE, $total_trace);
close(*INFO_HANDLE);
}
else
{
- write_info_file(*STDOUT, $total_trace);
+ @result = write_info_file(*STDOUT, $total_trace);
}
+
+ return @result;
}
@@ -1623,25 +2469,48 @@ sub write_info_file(*$)
my $checkdata;
my $testfncdata;
my $sumfnccount;
+ my $testbrdata;
+ my $sumbrcount;
my $testname;
my $line;
my $func;
my $testcount;
my $testfnccount;
+ my $testbrcount;
my $found;
my $hit;
my $f_found;
my $f_hit;
-
- foreach $source_file (keys(%data))
+ my $br_found;
+ my $br_hit;
+ my $ln_total_found = 0;
+ my $ln_total_hit = 0;
+ my $fn_total_found = 0;
+ my $fn_total_hit = 0;
+ my $br_total_found = 0;
+ my $br_total_hit = 0;
+
+ foreach $source_file (sort(keys(%data)))
{
$entry = $data{$source_file};
($testdata, $sumcount, $funcdata, $checkdata, $testfncdata,
- $sumfnccount) = get_info_entry($entry);
- foreach $testname (keys(%{$testdata}))
+ $sumfnccount, $testbrdata, $sumbrcount, $found, $hit,
+ $f_found, $f_hit, $br_found, $br_hit) =
+ get_info_entry($entry);
+
+ # Add to totals
+ $ln_total_found += $found;
+ $ln_total_hit += $hit;
+ $fn_total_found += $f_found;
+ $fn_total_hit += $f_hit;
+ $br_total_found += $br_found;
+ $br_total_hit += $br_hit;
+
+ foreach $testname (sort(keys(%{$testdata})))
{
$testcount = $testdata->{$testname};
$testfnccount = $testfncdata->{$testname};
+ $testbrcount = $testbrdata->{$testname};
$found = 0;
$hit = 0;
@@ -1666,6 +2535,31 @@ sub write_info_file(*$)
print(INFO_HANDLE "FNF:$f_found\n");
print(INFO_HANDLE "FNH:$f_hit\n");
+ # Write branch related data
+ $br_found = 0;
+ $br_hit = 0;
+ foreach $line (sort({$a <=> $b}
+ keys(%{$testbrcount}))) {
+ my $brdata = $testbrcount->{$line};
+ my $num = br_ivec_len($brdata);
+ my $i;
+
+ for ($i = 0; $i < $num; $i++) {
+ my ($block, $branch, $taken) =
+ br_ivec_get($brdata, $i);
+
+ print(INFO_HANDLE "BRDA:$line,$block,".
+ "$branch,$taken\n");
+ $br_found++;
+ $br_hit++ if ($taken ne '-' &&
+ $taken > 0);
+ }
+ }
+ if ($br_found > 0) {
+ print(INFO_HANDLE "BRF:$br_found\n");
+ print(INFO_HANDLE "BRH:$br_hit\n");
+ }
+
# Write line related data
foreach $line (sort({$a <=> $b} keys(%{$testcount})))
{
@@ -1686,6 +2580,9 @@ sub write_info_file(*$)
print(INFO_HANDLE "end_of_record\n");
}
}
+
+ return ($ln_total_found, $ln_total_hit, $fn_total_found, $fn_total_hit,
+ $br_total_found, $br_total_hit);
}
@@ -1739,6 +2636,7 @@ sub extract()
my $pattern;
my @pattern_list;
my $extracted = 0;
+ my @result;
local *INFO_HANDLE;
# Need perlreg expressions instead of shell pattern
@@ -1773,13 +2671,15 @@ sub extract()
info("Writing data to $output_filename\n");
open(INFO_HANDLE, ">$output_filename")
or die("ERROR: cannot write to $output_filename!\n");
- write_info_file(*INFO_HANDLE, $data);
+ @result = write_info_file(*INFO_HANDLE, $data);
close(*INFO_HANDLE);
}
else
{
- write_info_file(*STDOUT, $data);
+ @result = write_info_file(*STDOUT, $data);
}
+
+ return @result;
}
@@ -1795,6 +2695,7 @@ sub remove()
my $pattern;
my @pattern_list;
my $removed = 0;
+ my @result;
local *INFO_HANDLE;
# Need perlreg expressions instead of shell pattern
@@ -1826,16 +2727,126 @@ sub remove()
info("Writing data to $output_filename\n");
open(INFO_HANDLE, ">$output_filename")
or die("ERROR: cannot write to $output_filename!\n");
- write_info_file(*INFO_HANDLE, $data);
+ @result = write_info_file(*INFO_HANDLE, $data);
close(*INFO_HANDLE);
}
else
{
- write_info_file(*STDOUT, $data);
+ @result = write_info_file(*STDOUT, $data);
}
+
+ return @result;
+}
+
+
+# get_prefix(max_width, max_percentage_too_long, path_list)
+#
+# Return a path prefix that satisfies the following requirements:
+# - is shared by more paths in path_list than any other prefix
+# - the percentage of paths which would exceed the given max_width length
+# after applying the prefix does not exceed max_percentage_too_long
+#
+# If multiple prefixes satisfy all requirements, the longest prefix is
+# returned. Return an empty string if no prefix could be found.
+
+sub get_prefix($$@)
+{
+ my ($max_width, $max_long, @path_list) = @_;
+ my $path;
+ my $ENTRY_NUM = 0;
+ my $ENTRY_LONG = 1;
+ my %prefix;
+
+ # Build prefix hash
+ foreach $path (@path_list) {
+ my ($v, $d, $f) = splitpath($path);
+ my @dirs = splitdir($d);
+ my $p_len = length($path);
+ my $i;
+
+ # Remove trailing '/'
+ pop(@dirs) if ($dirs[scalar(@dirs) - 1] eq '');
+ for ($i = 0; $i < scalar(@dirs); $i++) {
+ my $subpath = catpath($v, catdir(@dirs[0..$i]), '');
+ my $entry = $prefix{$subpath};
+
+ $entry = [ 0, 0 ] if (!defined($entry));
+ $entry->[$ENTRY_NUM]++;
+ if (($p_len - length($subpath) - 1) > $max_width) {
+ $entry->[$ENTRY_LONG]++;
+ }
+ $prefix{$subpath} = $entry;
+ }
+ }
+ # Find suitable prefix (sort descending by two keys: 1. number of
+ # entries covered by a prefix, 2. length of prefix)
+ foreach $path (sort {($prefix{$a}->[$ENTRY_NUM] ==
+ $prefix{$b}->[$ENTRY_NUM]) ?
+ length($b) <=> length($a) :
+ $prefix{$b}->[$ENTRY_NUM] <=>
+ $prefix{$a}->[$ENTRY_NUM]}
+ keys(%prefix)) {
+ my ($num, $long) = @{$prefix{$path}};
+
+ # Check for additional requirement: number of filenames
+ # that would be too long may not exceed a certain percentage
+ if ($long <= $num * $max_long / 100) {
+ return $path;
+ }
+ }
+
+ return "";
+}
+
+
+#
+# shorten_filename(filename, width)
+#
+# Truncate filename if it is longer than width characters.
+#
+
+sub shorten_filename($$)
+{
+ my ($filename, $width) = @_;
+ my $l = length($filename);
+ my $s;
+ my $e;
+
+ return $filename if ($l <= $width);
+ $e = int(($width - 3) / 2);
+ $s = $width - 3 - $e;
+
+ return substr($filename, 0, $s).'...'.substr($filename, $l - $e);
}
+sub shorten_number($$)
+{
+ my ($number, $width) = @_;
+ my $result = sprintf("%*d", $width, $number);
+
+ return $result if (length($result) <= $width);
+ $number = $number / 1000;
+ return $result if (length($result) <= $width);
+ $result = sprintf("%*dk", $width - 1, $number);
+ return $result if (length($result) <= $width);
+ $number = $number / 1000;
+ $result = sprintf("%*dM", $width - 1, $number);
+ return $result if (length($result) <= $width);
+ return '#';
+}
+
+sub shorten_rate($$)
+{
+ my ($rate, $width) = @_;
+ my $result = sprintf("%*.1f%%", $width - 3, $rate);
+
+ return $result if (length($result) <= $width);
+ $result = sprintf("%*d%%", $width - 1, $rate);
+ return $result if (length($result) <= $width);
+ return "#";
+}
+
#
# list()
#
@@ -1847,17 +2858,278 @@ sub list()
my $found;
my $hit;
my $entry;
-
- info("Listing contents of $list:\n");
-
- # List all files
+ my $fn_found;
+ my $fn_hit;
+ my $br_found;
+ my $br_hit;
+ my $total_found = 0;
+ my $total_hit = 0;
+ my $fn_total_found = 0;
+ my $fn_total_hit = 0;
+ my $br_total_found = 0;
+ my $br_total_hit = 0;
+ my $prefix;
+ my $strlen = length("Filename");
+ my $format;
+ my $heading1;
+ my $heading2;
+ my @footer;
+ my $barlen;
+ my $rate;
+ my $fnrate;
+ my $brrate;
+ my $lastpath;
+ my $F_LN_NUM = 0;
+ my $F_LN_RATE = 1;
+ my $F_FN_NUM = 2;
+ my $F_FN_RATE = 3;
+ my $F_BR_NUM = 4;
+ my $F_BR_RATE = 5;
+ my @fwidth_narrow = (5, 5, 3, 5, 4, 5);
+ my @fwidth_wide = (6, 5, 5, 5, 6, 5);
+ my @fwidth = @fwidth_wide;
+ my $w;
+ my $max_width = $opt_list_width;
+ my $max_long = $opt_list_truncate_max;
+ my $fwidth_narrow_length;
+ my $fwidth_wide_length;
+ my $got_prefix = 0;
+ my $root_prefix = 0;
+
+ # Calculate total width of narrow fields
+ $fwidth_narrow_length = 0;
+ foreach $w (@fwidth_narrow) {
+ $fwidth_narrow_length += $w + 1;
+ }
+ # Calculate total width of wide fields
+ $fwidth_wide_length = 0;
+ foreach $w (@fwidth_wide) {
+ $fwidth_wide_length += $w + 1;
+ }
+ # Get common file path prefix
+ $prefix = get_prefix($max_width - $fwidth_narrow_length, $max_long,
+ keys(%{$data}));
+ $root_prefix = 1 if ($prefix eq rootdir());
+ $got_prefix = 1 if (length($prefix) > 0);
+ $prefix =~ s/\/$//;
+ # Get longest filename length
+ foreach $filename (keys(%{$data})) {
+ if (!$opt_list_full_path) {
+ if (!$got_prefix || !$root_prefix &&
+ !($filename =~ s/^\Q$prefix\/\E//)) {
+ my ($v, $d, $f) = splitpath($filename);
+
+ $filename = $f;
+ }
+ }
+ # Determine maximum length of entries
+ if (length($filename) > $strlen) {
+ $strlen = length($filename)
+ }
+ }
+ if (!$opt_list_full_path) {
+ my $blanks;
+
+ $w = $fwidth_wide_length;
+ # Check if all columns fit into max_width characters
+ if ($strlen + $fwidth_wide_length > $max_width) {
+ # Use narrow fields
+ @fwidth = @fwidth_narrow;
+ $w = $fwidth_narrow_length;
+ if (($strlen + $fwidth_narrow_length) > $max_width) {
+ # Truncate filenames at max width
+ $strlen = $max_width - $fwidth_narrow_length;
+ }
+ }
+ # Add some blanks between filename and fields if possible
+ $blanks = int($strlen * 0.5);
+ $blanks = 4 if ($blanks < 4);
+ $blanks = 8 if ($blanks > 8);
+ if (($strlen + $w + $blanks) < $max_width) {
+ $strlen += $blanks;
+ } else {
+ $strlen = $max_width - $w;
+ }
+ }
+ # Filename
+ $w = $strlen;
+ $format = "%-${w}s|";
+ $heading1 = sprintf("%*s|", $w, "");
+ $heading2 = sprintf("%-*s|", $w, "Filename");
+ $barlen = $w + 1;
+ # Line coverage rate
+ $w = $fwidth[$F_LN_RATE];
+ $format .= "%${w}s ";
+ $heading1 .= sprintf("%-*s |", $w + $fwidth[$F_LN_NUM],
+ "Lines");
+ $heading2 .= sprintf("%-*s ", $w, "Rate");
+ $barlen += $w + 1;
+ # Number of lines
+ $w = $fwidth[$F_LN_NUM];
+ $format .= "%${w}s|";
+ $heading2 .= sprintf("%*s|", $w, "Num");
+ $barlen += $w + 1;
+ # Function coverage rate
+ $w = $fwidth[$F_FN_RATE];
+ $format .= "%${w}s ";
+ $heading1 .= sprintf("%-*s|", $w + $fwidth[$F_FN_NUM] + 1,
+ "Functions");
+ $heading2 .= sprintf("%-*s ", $w, "Rate");
+ $barlen += $w + 1;
+ # Number of functions
+ $w = $fwidth[$F_FN_NUM];
+ $format .= "%${w}s|";
+ $heading2 .= sprintf("%*s|", $w, "Num");
+ $barlen += $w + 1;
+ # Branch coverage rate
+ $w = $fwidth[$F_BR_RATE];
+ $format .= "%${w}s ";
+ $heading1 .= sprintf("%-*s", $w + $fwidth[$F_BR_NUM] + 1,
+ "Branches");
+ $heading2 .= sprintf("%-*s ", $w, "Rate");
+ $barlen += $w + 1;
+ # Number of branches
+ $w = $fwidth[$F_BR_NUM];
+ $format .= "%${w}s";
+ $heading2 .= sprintf("%*s", $w, "Num");
+ $barlen += $w;
+ # Line end
+ $format .= "\n";
+ $heading1 .= "\n";
+ $heading2 .= "\n";
+
+ # Print heading
+ print($heading1);
+ print($heading2);
+ print(("="x$barlen)."\n");
+
+ # Print per file information
foreach $filename (sort(keys(%{$data})))
{
+ my @file_data;
+ my $print_filename = $filename;
+
$entry = $data->{$filename};
- (undef, undef, undef, undef, undef, undef, $found, $hit) =
+ if (!$opt_list_full_path) {
+ my $p;
+
+ $print_filename = $filename;
+ if (!$got_prefix || !$root_prefix &&
+ !($print_filename =~ s/^\Q$prefix\/\E//)) {
+ my ($v, $d, $f) = splitpath($filename);
+
+ $p = catpath($v, $d, "");
+ $p =~ s/\/$//;
+ $print_filename = $f;
+ } else {
+ $p = $prefix;
+ }
+
+ if (!defined($lastpath) || $lastpath ne $p) {
+ print("\n") if (defined($lastpath));
+ $lastpath = $p;
+ print("[$lastpath/]\n") if (!$root_prefix);
+ }
+ $print_filename = shorten_filename($print_filename,
+ $strlen);
+ }
+
+ (undef, undef, undef, undef, undef, undef, undef, undef,
+ $found, $hit, $fn_found, $fn_hit, $br_found, $br_hit) =
get_info_entry($entry);
- printf("$filename: $hit of $found lines hit\n");
+
+ # Assume zero count if there is no function data for this file
+ if (!defined($fn_found) || !defined($fn_hit)) {
+ $fn_found = 0;
+ $fn_hit = 0;
+ }
+ # Assume zero count if there is no branch data for this file
+ if (!defined($br_found) || !defined($br_hit)) {
+ $br_found = 0;
+ $br_hit = 0;
+ }
+
+ # Add line coverage totals
+ $total_found += $found;
+ $total_hit += $hit;
+ # Add function coverage totals
+ $fn_total_found += $fn_found;
+ $fn_total_hit += $fn_hit;
+ # Add branch coverage totals
+ $br_total_found += $br_found;
+ $br_total_hit += $br_hit;
+
+ # Determine line coverage rate for this file
+ if ($found == 0) {
+ $rate = "-";
+ } else {
+ $rate = shorten_rate(100 * $hit / $found,
+ $fwidth[$F_LN_RATE]);
+ }
+ # Determine function coverage rate for this file
+ if (!defined($fn_found) || $fn_found == 0) {
+ $fnrate = "-";
+ } else {
+ $fnrate = shorten_rate(100 * $fn_hit / $fn_found,
+ $fwidth[$F_FN_RATE]);
+ }
+ # Determine branch coverage rate for this file
+ if (!defined($br_found) || $br_found == 0) {
+ $brrate = "-";
+ } else {
+ $brrate = shorten_rate(100 * $br_hit / $br_found,
+ $fwidth[$F_BR_RATE]);
+ }
+
+ # Assemble line parameters
+ push(@file_data, $print_filename);
+ push(@file_data, $rate);
+ push(@file_data, shorten_number($found, $fwidth[$F_LN_NUM]));
+ push(@file_data, $fnrate);
+ push(@file_data, shorten_number($fn_found, $fwidth[$F_FN_NUM]));
+ push(@file_data, $brrate);
+ push(@file_data, shorten_number($br_found, $fwidth[$F_BR_NUM]));
+
+ # Print assembled line
+ printf($format, @file_data);
}
+
+ # Determine total line coverage rate
+ if ($total_found == 0) {
+ $rate = "-";
+ } else {
+ $rate = shorten_rate(100 * $total_hit / $total_found,
+ $fwidth[$F_LN_RATE]);
+ }
+ # Determine total function coverage rate
+ if ($fn_total_found == 0) {
+ $fnrate = "-";
+ } else {
+ $fnrate = shorten_rate(100 * $fn_total_hit / $fn_total_found,
+ $fwidth[$F_FN_RATE]);
+ }
+ # Determine total branch coverage rate
+ if ($br_total_found == 0) {
+ $brrate = "-";
+ } else {
+ $brrate = shorten_rate(100 * $br_total_hit / $br_total_found,
+ $fwidth[$F_BR_RATE]);
+ }
+
+ # Print separator
+ print(("="x$barlen)."\n");
+
+ # Assemble line parameters
+ push(@footer, sprintf("%*s", $strlen, "Total:"));
+ push(@footer, $rate);
+ push(@footer, shorten_number($total_found, $fwidth[$F_LN_NUM]));
+ push(@footer, $fnrate);
+ push(@footer, shorten_number($fn_total_found, $fwidth[$F_FN_NUM]));
+ push(@footer, $brrate);
+ push(@footer, shorten_number($br_total_found, $fwidth[$F_BR_NUM]));
+
+ # Print assembled line
+ printf($format, @footer);
}
@@ -2155,6 +3427,28 @@ sub apply_diff($$)
#
+# apply_diff_to_brcount(brcount, linedata)
+#
+# Adjust line numbers of branch coverage data according to linedata.
+#
+
+sub apply_diff_to_brcount($$)
+{
+ my ($brcount, $linedata) = @_;
+ my $db;
+
+ # Convert brcount to db format
+ $db = brcount_to_db($brcount);
+ # Apply diff to db format
+ $db = apply_diff($db, $linedata);
+ # Convert db format back to brcount format
+ ($brcount) = db_to_brcount($db);
+
+ return $brcount;
+}
+
+
+#
# get_hash_max(hash_ref)
#
# Return the highest integer key from hash.
@@ -2235,10 +3529,16 @@ sub get_line_hash($$$)
my $old_depth;
my $new_depth;
+ # Remove trailing slash from diff path
+ $diff_path =~ s/\/$//;
foreach (keys(%{$diff_data}))
{
+ my $sep = "";
+
+ $sep = '/' if (!/^\//);
+
# Try to match diff filename with filename
- if ($filename =~ /^\Q$diff_path\E\/$_$/)
+ if ($filename =~ /^\Q$diff_path$sep$_\E$/)
{
if ($diff_name)
{
@@ -2432,12 +3732,17 @@ sub diff()
my $checkdata;
my $testfncdata;
my $sumfnccount;
+ my $testbrdata;
+ my $sumbrcount;
my $found;
my $hit;
my $f_found;
my $f_hit;
+ my $br_found;
+ my $br_hit;
my $converted = 0;
my $unchanged = 0;
+ my @result;
local *INFO_HANDLE;
($diff_data, $path_data) = read_diff($ARGV[0]);
@@ -2468,17 +3773,24 @@ sub diff()
info("Converting $filename\n");
$entry = $trace_data->{$filename};
($testdata, $sumcount, $funcdata, $checkdata, $testfncdata,
- $sumfnccount) = get_info_entry($entry);
+ $sumfnccount, $testbrdata, $sumbrcount) =
+ get_info_entry($entry);
# Convert test data
foreach $testname (keys(%{$testdata}))
{
+ # Adjust line numbers of line coverage data
$testdata->{$testname} =
apply_diff($testdata->{$testname}, $line_hash);
+ # Adjust line numbers of branch coverage data
+ $testbrdata->{$testname} =
+ apply_diff_to_brcount($testbrdata->{$testname},
+ $line_hash);
# Remove empty sets of test data
if (scalar(keys(%{$testdata->{$testname}})) == 0)
{
delete($testdata->{$testname});
delete($testfncdata->{$testname});
+ delete($testbrdata->{$testname});
}
}
# Rename test data to indicate conversion
@@ -2502,6 +3814,12 @@ sub diff()
$testfncdata->{$testname},
$testfncdata->{$testname.",diff"});
delete($testfncdata->{$testname.",diff"});
+ # Add branch counts
+ ($testbrdata->{$testname}) = combine_brcount(
+ $testbrdata->{$testname},
+ $testbrdata->{$testname.",diff"},
+ $BR_ADD);
+ delete($testbrdata->{$testname.",diff"});
}
# Move test data to new testname
$testdata->{$testname.",diff"} = $testdata->{$testname};
@@ -2510,16 +3828,24 @@ sub diff()
$testfncdata->{$testname.",diff"} =
$testfncdata->{$testname};
delete($testfncdata->{$testname});
+ # Move branch count data to new testname
+ $testbrdata->{$testname.",diff"} =
+ $testbrdata->{$testname};
+ delete($testbrdata->{$testname});
}
# Convert summary of test data
$sumcount = apply_diff($sumcount, $line_hash);
# Convert function data
$funcdata = apply_diff_to_funcdata($funcdata, $line_hash);
+ # Convert branch coverage data
+ $sumbrcount = apply_diff_to_brcount($sumbrcount, $line_hash);
+ # Update found/hit numbers
# Convert checksum data
$checkdata = apply_diff($checkdata, $line_hash);
# Convert function call count data
adjust_fncdata($funcdata, $testfncdata, $sumfnccount);
($f_found, $f_hit) = get_func_found_and_hit($sumfnccount);
+ ($br_found, $br_hit) = get_br_found_and_hit($sumbrcount);
# Update found/hit numbers
$found = 0;
$hit = 0;
@@ -2536,7 +3862,8 @@ sub diff()
# Store converted entry
set_info_entry($entry, $testdata, $sumcount, $funcdata,
$checkdata, $testfncdata, $sumfnccount,
- $found, $hit, $f_found, $f_hit);
+ $testbrdata, $sumbrcount, $found, $hit,
+ $f_found, $f_hit, $br_found, $br_hit);
}
else
{
@@ -2561,13 +3888,15 @@ sub diff()
info("Writing data to $output_filename\n");
open(INFO_HANDLE, ">$output_filename")
or die("ERROR: cannot write to $output_filename!\n");
- write_info_file(*INFO_HANDLE, $trace_data);
+ @result = write_info_file(*INFO_HANDLE, $trace_data);
close(*INFO_HANDLE);
}
else
{
- write_info_file(*STDOUT, $trace_data);
+ @result = write_info_file(*STDOUT, $trace_data);
}
+
+ return @result;
}
@@ -2688,6 +4017,7 @@ sub warn_handler($)
{
my ($msg) = @_;
+ temp_cleanup();
warn("$tool_name: $msg");
}
@@ -2695,5 +4025,151 @@ sub die_handler($)
{
my ($msg) = @_;
+ temp_cleanup();
die("$tool_name: $msg");
}
+
+sub abort_handler($)
+{
+ temp_cleanup();
+ exit(1);
+}
+
+sub temp_cleanup()
+{
+ if (@temp_dirs) {
+ info("Removing temporary directories.\n");
+ foreach (@temp_dirs) {
+ rmtree($_);
+ }
+ @temp_dirs = ();
+ }
+}
+
+sub setup_gkv_sys()
+{
+ system_no_output(3, "mount", "-t", "debugfs", "nodev",
+ "/sys/kernel/debug");
+}
+
+sub setup_gkv_proc()
+{
+ if (system_no_output(3, "modprobe", "gcov_proc")) {
+ system_no_output(3, "modprobe", "gcov_prof");
+ }
+}
+
+sub check_gkv_sys($)
+{
+ my ($dir) = @_;
+
+ if (-e "$dir/reset") {
+ return 1;
+ }
+ return 0;
+}
+
+sub check_gkv_proc($)
+{
+ my ($dir) = @_;
+
+ if (-e "$dir/vmlinux") {
+ return 1;
+ }
+ return 0;
+}
+
+sub setup_gkv()
+{
+ my $dir;
+ my $sys_dir = "/sys/kernel/debug/gcov";
+ my $proc_dir = "/proc/gcov";
+ my @todo;
+
+ if (!defined($gcov_dir)) {
+ info("Auto-detecting gcov kernel support.\n");
+ @todo = ( "cs", "cp", "ss", "cs", "sp", "cp" );
+ } elsif ($gcov_dir =~ /proc/) {
+ info("Checking gcov kernel support at $gcov_dir ".
+ "(user-specified).\n");
+ @todo = ( "cp", "sp", "cp", "cs", "ss", "cs");
+ } else {
+ info("Checking gcov kernel support at $gcov_dir ".
+ "(user-specified).\n");
+ @todo = ( "cs", "ss", "cs", "cp", "sp", "cp", );
+ }
+ foreach (@todo) {
+ if ($_ eq "cs") {
+ # Check /sys
+ $dir = defined($gcov_dir) ? $gcov_dir : $sys_dir;
+ if (check_gkv_sys($dir)) {
+ info("Found ".$GKV_NAME[$GKV_SYS]." gcov ".
+ "kernel support at $dir\n");
+ return ($GKV_SYS, $dir);
+ }
+ } elsif ($_ eq "cp") {
+ # Check /proc
+ $dir = defined($gcov_dir) ? $gcov_dir : $proc_dir;
+ if (check_gkv_proc($dir)) {
+ info("Found ".$GKV_NAME[$GKV_PROC]." gcov ".
+ "kernel support at $dir\n");
+ return ($GKV_PROC, $dir);
+ }
+ } elsif ($_ eq "ss") {
+ # Setup /sys
+ setup_gkv_sys();
+ } elsif ($_ eq "sp") {
+ # Setup /proc
+ setup_gkv_proc();
+ }
+ }
+ if (defined($gcov_dir)) {
+ die("ERROR: could not find gcov kernel data at $gcov_dir\n");
+ } else {
+ die("ERROR: no gcov kernel data found\n");
+ }
+}
+
+
+#
+# get_overall_line(found, hit, name_singular, name_plural)
+#
+# Return a string containing overall information for the specified
+# found/hit data.
+#
+
+sub get_overall_line($$$$)
+{
+ my ($found, $hit, $name_sn, $name_pl) = @_;
+ my $name;
+
+ return "no data found" if (!defined($found) || $found == 0);
+ $name = ($found == 1) ? $name_sn : $name_pl;
+ return sprintf("%.1f%% (%d of %d %s)", $hit * 100 / $found, $hit,
+ $found, $name);
+}
+
+
+#
+# print_overall_rate(ln_do, ln_found, ln_hit, fn_do, fn_found, fn_hit, br_do
+# br_found, br_hit)
+#
+# Print overall coverage rates for the specified coverage types.
+#
+
+sub print_overall_rate($$$$$$$$$)
+{
+ my ($ln_do, $ln_found, $ln_hit, $fn_do, $fn_found, $fn_hit,
+ $br_do, $br_found, $br_hit) = @_;
+
+ info("Overall coverage rate:\n");
+ info(" lines......: %s\n",
+ get_overall_line($ln_found, $ln_hit, "line", "lines"))
+ if ($ln_do);
+ info(" functions..: %s\n",
+ get_overall_line($fn_found, $fn_hit, "function", "functions"))
+ if ($fn_do);
+ info(" branches...: %s\n",
+ get_overall_line($br_found, $br_hit, "branch", "branches"))
+ if ($br_do);
+}