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-supported-target 7 // XFAIL: armv7l-unknown-linux-gnueabihf 8 9 #include <stdlib.h> 10 11 __attribute__((noinline)) 12 int 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 42 int main() { 43 clang_abi(); 44 // CHECK: #4 0x{{.*}} in main {{.*}}clang_gcc_abi.cc:[[@LINE-1]] 45 } 46