1 | // RUN: %clangxx_asan -O0 -x c %s -o %t && not %env_asan_opts=fast_unwind_on_malloc=1 %run %t 2>&1 | FileCheck %s |
2 | // RUN: %clangxx_asan -O1 -x c %s -o %t && not %env_asan_opts=fast_unwind_on_malloc=1 %run %t 2>&1 | FileCheck %s |
3 | // RUN: %clangxx_asan -O2 -x c %s -o %t && not %env_asan_opts=fast_unwind_on_malloc=1 %run %t 2>&1 | FileCheck %s |
4 | // RUN: %clangxx_asan -O3 -x c %s -o %t && not %env_asan_opts=fast_unwind_on_malloc=1 %run %t 2>&1 | FileCheck %s |
5 | |
6 | // REQUIRES: (arm-target-arch || armhf-target-arch), fast-unwinder-works |
7 | |
8 | #include <stdlib.h> |
9 | |
10 | __attribute__((noinline)) |
11 | int boom() { |
12 | volatile int three = 3; |
13 | char * volatile s = (char *)malloc(size: three); |
14 | // CHECK: #1 0x{{.*}} in boom {{.*}}clang_gcc_abi.cpp:[[@LINE-1]] |
15 | return s[three]; //BOOM |
16 | } |
17 | |
18 | __attribute__((naked, noinline)) void gcc_abi() { |
19 | // CHECK: #2 0x{{.*}} in gcc_abi {{.*}}clang_gcc_abi.cpp:[[@LINE+1]] |
20 | asm volatile("str fp, [sp, #-8]!\n\t" |
21 | "str lr, [sp, #4]\n\t" |
22 | "add fp, sp, #4\n\t" |
23 | "bl boom\n\t" |
24 | "sub sp, fp, #4\n\t" |
25 | "ldr fp, [sp]\n\t" |
26 | "add sp, sp, #4\n\t" |
27 | "ldr pc, [sp], #4\n\t" |
28 | ); |
29 | } |
30 | |
31 | __attribute__((naked, noinline)) void clang_abi() { |
32 | // CHECK: #3 0x{{.*}} in clang_abi {{.*}}clang_gcc_abi.cpp:[[@LINE+1]] |
33 | asm volatile("push {r11, lr}\n\t" |
34 | "mov r11, sp\n\t" |
35 | "bl gcc_abi\n\t" |
36 | "add r0, r0, #1\n\t" |
37 | "pop {r11, pc}\n\t" |
38 | ); |
39 | } |
40 | |
41 | int main() { |
42 | clang_abi(); |
43 | // CHECK: #4 0x{{.*}} in main {{.*}}clang_gcc_abi.cpp:[[@LINE-1]] |
44 | } |
45 | |