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Diffstat (limited to '3rdParty/Breakpad/src/common/mac/arch_utilities.cc')
-rw-r--r--3rdParty/Breakpad/src/common/mac/arch_utilities.cc231
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diff --git a/3rdParty/Breakpad/src/common/mac/arch_utilities.cc b/3rdParty/Breakpad/src/common/mac/arch_utilities.cc
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+// Copyright (c) 2012, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "common/mac/arch_utilities.h"
+
+#include <mach-o/arch.h>
+#include <mach-o/fat.h>
+#include <stdio.h>
+#include <string.h>
+
+#ifndef CPU_SUBTYPE_ARM_V7S
+#define CPU_SUBTYPE_ARM_V7S (static_cast<cpu_subtype_t>(11))
+#endif // CPU_SUBTYPE_ARM_V7S
+
+#ifndef CPU_TYPE_ARM64
+#define CPU_TYPE_ARM64 (CPU_TYPE_ARM | CPU_ARCH_ABI64)
+#endif // CPU_TYPE_ARM64
+
+#ifndef CPU_SUBTYPE_ARM64_ALL
+#define CPU_SUBTYPE_ARM64_ALL (static_cast<cpu_subtype_t>(0))
+#endif // CPU_SUBTYPE_ARM64_ALL
+
+namespace {
+
+const NXArchInfo* ArchInfo_arm64() {
+ NXArchInfo* arm64 = new NXArchInfo;
+ *arm64 = *NXGetArchInfoFromCpuType(CPU_TYPE_ARM,
+ CPU_SUBTYPE_ARM_V7);
+ arm64->name = "arm64";
+ arm64->cputype = CPU_TYPE_ARM64;
+ arm64->cpusubtype = CPU_SUBTYPE_ARM64_ALL;
+ arm64->description = "arm 64";
+ return arm64;
+}
+
+const NXArchInfo* ArchInfo_armv7s() {
+ NXArchInfo* armv7s = new NXArchInfo;
+ *armv7s = *NXGetArchInfoFromCpuType(CPU_TYPE_ARM,
+ CPU_SUBTYPE_ARM_V7);
+ armv7s->name = "armv7s";
+ armv7s->cpusubtype = CPU_SUBTYPE_ARM_V7S;
+ armv7s->description = "arm v7s";
+ return armv7s;
+}
+
+} // namespace
+
+namespace google_breakpad {
+
+const NXArchInfo* BreakpadGetArchInfoFromName(const char* arch_name) {
+ // TODO: Remove this when the OS knows about arm64.
+ if (!strcmp("arm64", arch_name))
+ return BreakpadGetArchInfoFromCpuType(CPU_TYPE_ARM64,
+ CPU_SUBTYPE_ARM64_ALL);
+
+ // TODO: Remove this when the OS knows about armv7s.
+ if (!strcmp("armv7s", arch_name))
+ return BreakpadGetArchInfoFromCpuType(CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V7S);
+
+ return NXGetArchInfoFromName(arch_name);
+}
+
+const NXArchInfo* BreakpadGetArchInfoFromCpuType(cpu_type_t cpu_type,
+ cpu_subtype_t cpu_subtype) {
+ // TODO: Remove this when the OS knows about arm64.
+ if (cpu_type == CPU_TYPE_ARM64 && cpu_subtype == CPU_SUBTYPE_ARM64_ALL) {
+ static const NXArchInfo* arm64 = ArchInfo_arm64();
+ return arm64;
+ }
+
+ // TODO: Remove this when the OS knows about armv7s.
+ if (cpu_type == CPU_TYPE_ARM && cpu_subtype == CPU_SUBTYPE_ARM_V7S) {
+ static const NXArchInfo* armv7s = ArchInfo_armv7s();
+ return armv7s;
+ }
+
+ return NXGetArchInfoFromCpuType(cpu_type, cpu_subtype);
+}
+
+} // namespace google_breakpad
+
+#ifndef __APPLE__
+namespace {
+
+enum Architecture {
+ kArch_i386 = 0,
+ kArch_x86_64,
+ kArch_x86_64h,
+ kArch_arm,
+ kArch_arm64,
+ kArch_ppc,
+ // This must be last.
+ kNumArchitectures
+};
+
+// enum Architecture above and kKnownArchitectures below
+// must be kept in sync.
+const NXArchInfo kKnownArchitectures[] = {
+ {
+ "i386",
+ CPU_TYPE_I386,
+ CPU_SUBTYPE_I386_ALL,
+ NX_LittleEndian,
+ "Intel 80x86"
+ },
+ {
+ "x86_64",
+ CPU_TYPE_X86_64,
+ CPU_SUBTYPE_X86_64_ALL,
+ NX_LittleEndian,
+ "Intel x86-64"
+ },
+ {
+ "x86_64h",
+ CPU_TYPE_X86_64,
+ CPU_SUBTYPE_X86_64_H,
+ NX_LittleEndian,
+ "Intel x86-64h Haswell"
+ },
+ {
+ "arm",
+ CPU_TYPE_ARM,
+ CPU_SUBTYPE_ARM_ALL,
+ NX_LittleEndian,
+ "ARM"
+ },
+ {
+ "arm64",
+ CPU_TYPE_ARM64,
+ CPU_SUBTYPE_ARM64_ALL,
+ NX_LittleEndian,
+ "ARM64"
+ },
+ {
+ "ppc",
+ CPU_TYPE_POWERPC,
+ CPU_SUBTYPE_POWERPC_ALL,
+ NX_BigEndian,
+ "PowerPC"
+ }
+};
+
+} // namespace
+
+const NXArchInfo *NXGetLocalArchInfo(void) {
+ Architecture arch;
+#if defined(__i386__)
+ arch = kArch_i386;
+#elif defined(__x86_64__)
+ arch = kArch_x86_64;
+#elif defined(__arm64)
+ arch = kArch_arm64;
+#elif defined(__arm__)
+ arch = kArch_arm;
+#elif defined(__powerpc__)
+ arch = kArch_ppc;
+#else
+ #error "Unsupported CPU architecture"
+#endif
+ return &kKnownArchitectures[arch];
+}
+
+const NXArchInfo *NXGetArchInfoFromName(const char *name) {
+ for (int arch = 0; arch < kNumArchitectures; ++arch) {
+ if (!strcmp(name, kKnownArchitectures[arch].name)) {
+ return &kKnownArchitectures[arch];
+ }
+ }
+ return NULL;
+}
+
+const NXArchInfo *NXGetArchInfoFromCpuType(cpu_type_t cputype,
+ cpu_subtype_t cpusubtype) {
+ const NXArchInfo *candidate = NULL;
+ for (int arch = 0; arch < kNumArchitectures; ++arch) {
+ if (kKnownArchitectures[arch].cputype == cputype) {
+ if (kKnownArchitectures[arch].cpusubtype == cpusubtype) {
+ return &kKnownArchitectures[arch];
+ }
+ if (!candidate) {
+ candidate = &kKnownArchitectures[arch];
+ }
+ }
+ }
+ return candidate;
+}
+
+struct fat_arch *NXFindBestFatArch(cpu_type_t cputype,
+ cpu_subtype_t cpusubtype,
+ struct fat_arch *fat_archs,
+ uint32_t nfat_archs) {
+ struct fat_arch *candidate = NULL;
+ for (uint32_t f = 0; f < nfat_archs; ++f) {
+ if (fat_archs[f].cputype == cputype) {
+ if (fat_archs[f].cpusubtype == cpusubtype) {
+ return &fat_archs[f];
+ }
+ if (!candidate) {
+ candidate = &fat_archs[f];
+ }
+ }
+ }
+ return candidate;
+}
+#endif // !__APPLE__