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Fill in missing signal handling macros for amd64-darwin.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12460
This commit is contained in:
Julian Seward
2012-03-27 08:44:17 +00:00
parent ba416f24c6
commit 4be341c2e6
1 changed files with 42 additions and 4 deletions
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46
coregrind/m_signals.c
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@@ -449,19 +449,57 @@ typedef struct SigQueue {
#elif defined(VGP_amd64_darwin)
static inline Addr VG_UCONTEXT_INSTR_PTR( void* ucV ) {
I_die_here;
ucontext_t* uc = (ucontext_t*)ucV;
struct __darwin_mcontext64* mc = uc->uc_mcontext;
struct __darwin_x86_thread_state64* ss = &mc->__ss;
return ss->__rip;
}
static inline Addr VG_UCONTEXT_STACK_PTR( void* ucV ) {
I_die_here;
ucontext_t* uc = (ucontext_t*)ucV;
struct __darwin_mcontext64* mc = uc->uc_mcontext;
struct __darwin_x86_thread_state64* ss = &mc->__ss;
return ss->__rsp;
}
static inline SysRes VG_UCONTEXT_SYSCALL_SYSRES( void* ucV,
UWord scclass ) {
I_die_here;
/* This is copied from the x86-darwin case. I'm not sure if it
is correct. */
ucontext_t* uc = (ucontext_t*)ucV;
struct __darwin_mcontext64* mc = uc->uc_mcontext;
struct __darwin_x86_thread_state64* ss = &mc->__ss;
/* duplicates logic in m_syswrap.getSyscallStatusFromGuestState */
ULong carry = 1 & ss->__rflags;
ULong err = 0;
ULong wLO = 0;
ULong wHI = 0;
switch (scclass) {
case VG_DARWIN_SYSCALL_CLASS_UNIX:
err = carry;
wLO = ss->__rax;
wHI = ss->__rdx;
break;
case VG_DARWIN_SYSCALL_CLASS_MACH:
wLO = ss->__rax;
break;
case VG_DARWIN_SYSCALL_CLASS_MDEP:
wLO = ss->__rax;
break;
default:
vg_assert(0);
break;
}
return VG_(mk_SysRes_amd64_darwin)( scclass, err ? True : False,
wHI, wLO );
}
static inline
void VG_UCONTEXT_TO_UnwindStartRegs( UnwindStartRegs* srP,
void* ucV ) {
I_die_here;
ucontext_t* uc = (ucontext_t*)ucV;
struct __darwin_mcontext64* mc = uc->uc_mcontext;
struct __darwin_x86_thread_state64* ss = &mc->__ss;
srP->r_pc = (ULong)(ss->__rip);
srP->r_sp = (ULong)(ss->__rsp);
srP->misc.AMD64.r_rbp = (ULong)(ss->__rbp);
}
#elif defined(VGP_s390x_linux)