File: uar_and_exceptions.cpp

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (42 lines) | stat: -rw-r--r-- 793 bytes parent folder | download | duplicates (29) 
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
37
38
39
40
41
42
 
// Test that use-after-return works with exceptions.
// RUN: %clangxx_asan -O0 %s -o %t
// RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t
// RUN: %clangxx_asan -O0 %s -o %t -fsanitize-address-use-after-return=always
// RUN: %run %t

#include <stdio.h>

volatile char *g;

#ifndef FRAME_SIZE
# define FRAME_SIZE 100
#endif

#ifndef NUM_ITER
# define NUM_ITER 4000
#endif

#ifndef DO_THROW
# define DO_THROW 1
#endif

void Func(int depth) {
  char frame[FRAME_SIZE];
  g = &frame[0];
  if (depth)
    Func(depth - 1);
  else if (DO_THROW)
    throw 1;
}

int main(int argc, char **argv) {
  for (int i = 0; i < NUM_ITER; i++) {
    try {
      Func(argc * 100);
    } catch(...) {
    }
    if ((i % (NUM_ITER / 10)) == 0)
      fprintf(stderr, "done [%d]\n", i);
  }
  return 0;
}