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1a4d82fc JJ |
1 | // Test the mmap_limit_mb flag. |
2 | // | |
3 | // RUN: %clangxx_asan -O2 %s -o %t | |
92a42be0 SL |
4 | // RUN: %run %t 20 16 |
5 | // RUN: %run %t 30 1000000 | |
6 | // RUN: %env_asan_opts=mmap_limit_mb=300 %run %t 20 16 | |
7 | // RUN: %env_asan_opts=mmap_limit_mb=300 %run %t 20 1000000 | |
8 | // RUN: %env_asan_opts=mmap_limit_mb=300 not %run %t 500 16 2>&1 | FileCheck %s | |
9 | // RUN: %env_asan_opts=mmap_limit_mb=300 not %run %t 500 1000000 2>&1 | FileCheck %s | |
10 | // | |
11 | // FIXME: Windows doesn't implement mmap_limit_mb. | |
12 | // XFAIL: arm-linux-gnueabi,win32 | |
1a4d82fc JJ |
13 | |
14 | #include <assert.h> | |
15 | #include <stdlib.h> | |
16 | #include <stdio.h> | |
17 | ||
18 | #include <algorithm> | |
19 | #include <vector> | |
20 | ||
21 | int main(int argc, char **argv) { | |
22 | assert(argc == 3); | |
23 | long total_mb = atoi(argv[1]); | |
24 | long allocation_size = atoi(argv[2]); | |
25 | fprintf(stderr, "total_mb: %zd allocation_size: %zd\n", total_mb, | |
26 | allocation_size); | |
27 | std::vector<char *> v; | |
28 | for (long total = total_mb << 20; total > 0; total -= allocation_size) | |
29 | v.push_back(new char[allocation_size]); | |
30 | for (std::vector<char *>::const_iterator it = v.begin(); it != v.end(); ++it) | |
31 | delete[](*it); | |
32 | fprintf(stderr, "PASS\n"); | |
33 | // CHECK: total_mmaped{{.*}}mmap_limit_mb | |
34 | return 0; | |
35 | } |