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Do the mcontext stuff differently so that we don't fail compilation.

This commit is contained in:
christos 2014-10-22 16:53:16 +00:00
parent df8aa0850e
commit 38f6727a61
1 changed files with 33 additions and 6 deletions
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39
external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc vendored
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@ -48,15 +48,42 @@ void *AsanDoesNotSupportStaticLinkage() {
return &_DYNAMIC; // defined in link.h
}
void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
#ifdef __NetBSD__
#define gregs __gregs
#define REG_RIP _REG_RIP
#define REG_RBP _REG_RBP
#define REG_RSP _REG_RSP
# if defined(__arm__)
# define REG_PC _REG_PC
# define REG_BP _REG_FP
# define REG_SP _REG_SP
# elif defined(__x86_64__)
# define REG_PC _REG_RIP
# define REG_BP _REG_RBP
# define REG_SP _REG_RSP
# elif defined(__i386__)
# define REG_PC _REG_EIP
# define REG_BP _REG_EBP
# define REG_SP _REG_ESP
# elif defined(__powerpc__) || defined(__powerpc64__)
# define REG_PC _REG_PC
# define REG_BP _REG_R1
# define REG_SP _REG_R31
# elif defined(__sparc__)
ucontext_t *ucontext = (ucontext_t*)context;
*pc = _UC_MACHINE_PC(ucontext);
*sp = _UC_MACHINE_SP(ucontext);
*bp = sp[15]; // XXX: christos
# else
// Lot's are missing, please add more.
#endif
void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
#if ASAN_ANDROID
# ifdef REG_PC
ucontext_t *ucontext = (ucontext_t*)context;
*pc = ucontext->uc_mcontext.__gregs[REG_PC];
*bp = ucontext->uc_mcontext.__gregs[REG_BP];
*sp = ucontext->uc_mcontext.__gregs[REG_SP];
# else
*pc = *bp = *sp = 0;
# endif
#elif ASAN_ANDROID
*pc = *sp = *bp = 0;
#elif defined(__arm__)
ucontext_t *ucontext = (ucontext_t*)context;