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PageFaultHandler: Fix for Intel on MacOS

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Stenzek 2023-11-24 20:34:35 +10:00
parent 5cf41a41f3
commit 603531f916
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1 changed files with 4 additions and 8 deletions
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12
src/util/page_fault_handler.cpp
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@ -121,12 +121,10 @@ static LONG ExceptionHandler(PEXCEPTION_POINTERS exi)
#elif defined(USE_SIGSEGV)
static struct sigaction s_old_sigsegv_action;
#if defined(__APPLE__) || defined(__aarch64__)
static struct sigaction s_old_sigbus_action;
#endif
#if !defined(__APPLE__) || defined(__aarch64__)
static struct sigaction s_old_sigsegv_action;
#endif
static void CallExistingSignalHandler(int signal, siginfo_t* siginfo, void* ctx)
{
@ -262,16 +260,14 @@ bool InstallHandler(Handler handler)
// Don't block the signal from executing recursively, we want to fire the original handler.
sa.sa_flags |= SA_NODEFER;
#endif
if (sigaction(SIGSEGV, &sa, &s_old_sigsegv_action) != 0)
return false;
#if defined(__APPLE__) || defined(__aarch64__)
// MacOS uses SIGBUS for memory permission violations
if (sigaction(SIGBUS, &sa, &s_old_sigbus_action) != 0)
return false;
#endif
#if !defined(__APPLE__) || defined(__aarch64__)
if (sigaction(SIGSEGV, &sa, &s_old_sigsegv_action) != 0)
return false;
#endif
#if defined(__APPLE__) && defined(__aarch64__)
#ifdef __APPLE__
task_set_exception_ports(mach_task_self(), EXC_MASK_BAD_ACCESS, MACH_PORT_NULL, EXCEPTION_DEFAULT, 0);
#endif
#else