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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.cc | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/mac/arch_utilities.cc b/3rdParty/Breakpad/src/common/mac/arch_utilities.cc new file mode 100644 index 0000000..c9225e0 --- /dev/null +++ b/3rdParty/Breakpad/src/common/mac/arch_utilities.cc @@ -0,0 +1,231 @@ +// 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__ |