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added support for windows-x86_64, changed exception handling to use vectored exception handling on 64 bit windows

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This commit is contained in:
Josh warner 2009-06-11 09:43:04 -06:00
parent 73fa0e0b0d
commit 862c37f9ad
1 changed files with 31 additions and 4 deletions
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35
src/windows.cpp
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@ -55,7 +55,7 @@ run(void* r)
return 0;
}
const bool Verbose = false;
const bool Verbose = true;
const unsigned Waiting = 1 << 0;
const unsigned Notified = 1 << 1;
@ -576,11 +576,20 @@ class MySystem: public System {
if (handler) {
segFaultHandler = handler;
#ifdef __i386__
oldSegFaultHandler = SetUnhandledExceptionFilter(handleException);
#elif defined __x86_64__
AddVectoredExceptionHandler(1, handleException);
oldSegFaultHandler = 0;
#endif
return 0;
} else if (segFaultHandler) {
segFaultHandler = 0;
#ifdef __i386__
SetUnhandledExceptionFilter(oldSegFaultHandler);
#elif defined __x86_64__
//do nothing, handlers are never "unregistered" anyway
#endif
return 0;
} else {
return 1;
@ -602,10 +611,15 @@ class MySystem: public System {
CONTEXT context;
rv = GetThreadContext(target->thread, &context);
expect(this, rv);
#ifdef __i386__
visitor->visit(reinterpret_cast<void*>(context.Eip),
reinterpret_cast<void*>(context.Ebp),
reinterpret_cast<void*>(context.Esp));
#elif defined __x86_64__
visitor->visit(reinterpret_cast<void*>(context.Rip),
reinterpret_cast<void*>(context.Rbp),
reinterpret_cast<void*>(context.Rsp));
#endif
rv = ResumeThread(target->thread);
expect(this, rv != -1);
@ -799,7 +813,7 @@ dump(LPEXCEPTION_POINTERS e, const char* directory)
char name[MAX_PATH];
_timeb tb;
_ftime(&tb);
snprintf(name, MAX_PATH, "%s\\crash-%lld.mdmp", directory,
snprintf(name, MAX_PATH, "%s\\crash-%"LLD".mdmp", directory,
(static_cast<int64_t>(tb.time) * 1000)
+ static_cast<int64_t>(tb.millitm));
@ -831,18 +845,31 @@ LONG CALLBACK
handleException(LPEXCEPTION_POINTERS e)
{
if (e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) {
#ifdef __i386__
void* ip = reinterpret_cast<void*>(e->ContextRecord->Eip);
void* base = reinterpret_cast<void*>(e->ContextRecord->Ebp);
void* stack = reinterpret_cast<void*>(e->ContextRecord->Esp);
void* thread = reinterpret_cast<void*>(e->ContextRecord->Ebx);
#elif defined __x86_64__
void* ip = reinterpret_cast<void*>(e->ContextRecord->Rip);
void* base = reinterpret_cast<void*>(e->ContextRecord->Rbp);
void* stack = reinterpret_cast<void*>(e->ContextRecord->Rsp);
void* thread = reinterpret_cast<void*>(e->ContextRecord->Rbx);
#endif
bool jump = system->segFaultHandler->handleSignal
(&ip, &base, &stack, &thread);
#ifdef __i386__
e->ContextRecord->Eip = reinterpret_cast<DWORD>(ip);
e->ContextRecord->Ebp = reinterpret_cast<DWORD>(base);
e->ContextRecord->Esp = reinterpret_cast<DWORD>(stack);
e->ContextRecord->Ebx = reinterpret_cast<DWORD>(thread);
#elif defined __x86_64__
e->ContextRecord->Rip = reinterpret_cast<DWORD64>(ip);
e->ContextRecord->Rbp = reinterpret_cast<DWORD64>(base);
e->ContextRecord->Rsp = reinterpret_cast<DWORD64>(stack);
e->ContextRecord->Rbx = reinterpret_cast<DWORD64>(thread);
#endif
if (jump) {
return EXCEPTION_CONTINUE_EXECUTION;