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[asan] Add Windows test for handle_segv and SetUnhandledExceptionFilter 

llvm-svn: 335087
This commit is contained in:
Reid Kleckner 2018-06-20 00:45:54 +00:00
parent d334615c23
commit b3ba1cc82a
1 changed files with 35 additions and 0 deletions
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35
compiler-rt/test/asan/TestCases/Windows/user-exception.cc Normal file
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// RUN: %clang_cl_asan -O0 %s -Fe%t
// RUN: env ASAN_OPTIONS=handle_segv=0 %run %t 2>&1 | FileCheck %s --check-prefix=USER
// RUN: env ASAN_OPTIONS=handle_segv=1 not %run %t 2>&1 | FileCheck %s --check-prefix=ASAN
// Test the default.
// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=ASAN
// This test exits zero when its unhandled exception filter is set. ASan should
// not disturb it when handle_segv=0.
// USER: in main
// USER: in SEHHandler
// ASAN: in main
// ASAN: ERROR: AddressSanitizer: access-violation
#include <windows.h>
#include <stdio.h>
static long WINAPI SEHHandler(EXCEPTION_POINTERS *info) {
DWORD exception_code = info->ExceptionRecord->ExceptionCode;
if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
fprintf(stderr, "in SEHHandler\n");
fflush(stdout);
TerminateProcess(GetCurrentProcess(), 0);
}
return EXCEPTION_CONTINUE_SEARCH;
}
int main() {
SetUnhandledExceptionFilter(SEHHandler);
fprintf(stderr, "in main\n");
volatile int *p = nullptr;
*p = 42;
}