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))
boom()11 int boom() {
12 volatile int three = 3;
13 char * volatile s = (char *)malloc(three);
14 // CHECK: #1 0x{{.*}} in boom {{.*}}clang_gcc_abi.cpp:[[@LINE-1]]
15 return s[three]; //BOOM
16 }
17
gcc_abi()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
clang_abi()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
main()41 int main() {
42 clang_abi();
43 // CHECK: #4 0x{{.*}} in main {{.*}}clang_gcc_abi.cpp:[[@LINE-1]]
44 }
45