1// RUN: %clangxx_asan -O0 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx_asan -O1 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
3// RUN: %clangxx_asan -O2 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
4// RUN: %clangxx_asan -O3 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
5
6// REQUIRES: arm-target-arch
7// XFAIL: armv7l-unknown-linux-gnueabihf
8
9#include <stdlib.h>
10
11__attribute__((noinline))
12int boom() {
13  volatile int three = 3;
14  char * volatile s = (char *)malloc(three);
15// CHECK: #1 0x{{.*}} in boom {{.*}}clang_gcc_abi.cc:[[@LINE-1]]
16  return s[three]; //BOOM
17}
18
19__attribute__((naked, noinline)) void gcc_abi() {
20// CHECK: #2 0x{{.*}} in gcc_abi {{.*}}clang_gcc_abi.cc:[[@LINE+1]]
21  asm volatile("str fp, [sp, #-8]!\n\t"
22               "str lr, [sp, #4]\n\t"
23               "add fp, sp, #4\n\t"
24               "bl  boom\n\t"
25               "sub sp, fp, #4\n\t"
26               "ldr fp, [sp]\n\t"
27               "add sp, sp, #4\n\t"
28               "ldr pc, [sp], #4\n\t"
29              );
30}
31
32__attribute__((naked, noinline)) void clang_abi() {
33// CHECK: #3 0x{{.*}} in clang_abi {{.*}}clang_gcc_abi.cc:[[@LINE+1]]
34  asm volatile("push {r11, lr}\n\t"
35               "mov r11, sp\n\t"
36               "bl  gcc_abi\n\t"
37               "add r0, r0, #1\n\t"
38               "pop {r11, pc}\n\t"
39              );
40}
41
42int main() {
43  clang_abi();
44// CHECK: #4 0x{{.*}} in main {{.*}}clang_gcc_abi.cc:[[@LINE-1]]
45}
46