File: user-exception.cpp

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (36 lines) | stat: -rw-r--r-- 1,039 bytes parent folder | download | duplicates (20) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
// RUN: %clang_cl_asan %Od %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(stderr);
    TerminateProcess(GetCurrentProcess(), 0);
  }
  return EXCEPTION_CONTINUE_SEARCH;
}

int main() {
  SetUnhandledExceptionFilter(SEHHandler);
  fprintf(stderr, "in main\n");
  fflush(stderr);

  volatile int *p = nullptr;
  *p = 42;
}