issue 372 - fix Mac OS X minidump generation code to handle x86-64 properly. r=mark at http://breakpad.appspot.com/103001

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@578 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2010-04-29 18:02:42 +00:00
parent f2dfb88b2a
commit 131c0c6a83
6 changed files with 54 additions and 17 deletions

View file

@ -36,7 +36,6 @@
#include <mach-o/loader.h>
#include <sys/sysctl.h>
#include <sys/resource.h>
#include <mach/mach_vm.h>
#include <CoreFoundation/CoreFoundation.h>
@ -50,6 +49,12 @@ using MacStringUtils::IntegerValueAtIndex;
namespace google_breakpad {
#if __LP64__
#define LC_SEGMENT_ARCH LC_SEGMENT_64
#else
#define LC_SEGMENT_ARCH LC_SEGMENT
#endif
// constructor when generating from within the crashed process
MinidumpGenerator::MinidumpGenerator()
: exception_type_(0),
@ -615,8 +620,10 @@ bool MinidumpGenerator::WriteSystemInfoStream(
info_ptr->processor_architecture = MD_CPU_ARCHITECTURE_PPC;
break;
case CPU_TYPE_I386:
info_ptr->processor_architecture = MD_CPU_ARCHITECTURE_X86;
case CPU_TYPE_X86_64:
// hw.cputype is currently always I386 even on an x86-64 system
#ifdef __i386__
info_ptr->processor_architecture = MD_CPU_ARCHITECTURE_X86;
// ebx is used for PIC code, so we need
// to preserve it.
#define cpuid(op,eax,ebx,ecx,edx) \
@ -629,6 +636,18 @@ bool MinidumpGenerator::WriteSystemInfoStream(
"=c" (ecx), \
"=d" (edx) \
: "0" (op))
#elif defined(__x86_64__)
info_ptr->processor_architecture = MD_CPU_ARCHITECTURE_AMD64;
#define cpuid(op,eax,ebx,ecx,edx) \
asm ("cpuid \n\t" \
: "=a" (eax), \
"=b" (ebx), \
"=c" (ecx), \
"=d" (edx) \
: "0" (op))
#endif
#if defined(__i386__) || defined(__x86_64__)
int unused, unused2;
// get vendor id
cpuid(0, unused, info_ptr->cpu.x86_cpu_info.vendor_id[0],
@ -659,7 +678,7 @@ bool MinidumpGenerator::WriteSystemInfoStream(
((info_ptr->cpu.x86_cpu_info.version_information & 0xFF00000) >> 20);
}
#endif // __i386__
#endif // __i386__ || __x86_64_
break;
default:
info_ptr->processor_architecture = MD_CPU_ARCHITECTURE_UNKNOWN;
@ -763,7 +782,7 @@ bool MinidumpGenerator::WriteModuleStream(unsigned int index,
memset(module, 0, sizeof(MDRawModule));
for (unsigned int i = 0; cmd && (i < header->ncmds); i++) {
if (cmd->cmd == LC_SEGMENT) {
if (cmd->cmd == LC_SEGMENT_ARCH) {
const breakpad_mach_segment_command *seg =
reinterpret_cast<const breakpad_mach_segment_command *>(cmd);