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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_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"
},
{
"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) {
for (int arch = 0; arch < kNumArchitectures; ++arch) {
if (kKnownArchitectures[arch].cputype == cputype) {
return &kKnownArchitectures[arch];
}
}
return NULL;
}
struct fat_arch *NXFindBestFatArch(cpu_type_t cputype,
cpu_subtype_t cpusubtype,
struct fat_arch *fat_archs,
uint32_t nfat_archs) {
for (uint32_t f = 0; f < nfat_archs; ++f) {
if (fat_archs[f].cputype == cputype) {
return &fat_archs[f];
}
}
return NULL;
}
#endif // !__APPLE__
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