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Common/PageFaultHandler: Hook SIGBUS as well as SIGSEGV on AArch64

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Apparently this happens too?
This commit is contained in:
Connor McLaughlin 2020-10-29 01:42:14 +10:00
parent 34a808c258
commit bde271566b
1 changed files with 4 additions and 4 deletions
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8
src/common/page_fault_handler.cpp
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@ -105,7 +105,7 @@ static LONG ExceptionHandler(PEXCEPTION_POINTERS exi)
#elif defined(USE_SIGSEGV) #elif defined(USE_SIGSEGV)
static struct sigaction s_old_sigsegv_action; static struct sigaction s_old_sigsegv_action;
#ifdef __APPLE__ #if defined(__APPLE__) || defined(__aarch64__)
static struct sigaction s_old_sigbus_action; static struct sigaction s_old_sigbus_action;
#endif #endif
@ -155,7 +155,7 @@ static void SIGSEGVHandler(int sig, siginfo_t* info, void* ctx)
} }
// call old signal handler // call old signal handler
#ifndef __APPLE__ #if !defined(__APPLE__) && !defined(__aarch64__)
const struct sigaction& sa = s_old_sigsegv_action; const struct sigaction& sa = s_old_sigsegv_action;
#else #else
const struct sigaction& sa = (sig == SIGBUS) ? s_old_sigbus_action : s_old_sigsegv_action; const struct sigaction& sa = (sig == SIGBUS) ? s_old_sigbus_action : s_old_sigsegv_action;
@ -218,7 +218,7 @@ bool InstallHandler(void* owner, Callback callback)
Log_ErrorPrintf("sigaction(SIGSEGV) failed: %d", errno); Log_ErrorPrintf("sigaction(SIGSEGV) failed: %d", errno);
return false; return false;
} }
#ifdef __APPLE__ #if defined(__APPLE__) || defined(__aarch64__)
if (sigaction(SIGBUS, &sa, &s_old_sigbus_action) < 0) if (sigaction(SIGBUS, &sa, &s_old_sigbus_action) < 0)
{ {
Log_ErrorPrintf("sigaction(SIGBUS) failed: %d", errno); Log_ErrorPrintf("sigaction(SIGBUS) failed: %d", errno);
@ -251,7 +251,7 @@ bool RemoveHandler(void* owner)
s_veh_handle = nullptr; s_veh_handle = nullptr;
#else #else
// restore old signal handler // restore old signal handler
#ifdef __APPLE__ #if defined(__APPLE__) || defined(__aarch64__)
if (sigaction(SIGBUS, &s_old_sigbus_action, nullptr) < 0) if (sigaction(SIGBUS, &s_old_sigbus_action, nullptr) < 0)
{ {
Log_ErrorPrintf("sigaction(SIGBUS) failed: %d", errno); Log_ErrorPrintf("sigaction(SIGBUS) failed: %d", errno);