46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// RUN: %clangxx_asan -O0 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %clangxx_asan -O1 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %clangxx_asan -O2 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %clangxx_asan -O3 -x c %s -o %t && not %run %t 2>&1 | FileCheck %s
|
|
|
|
// REQUIRES: arm-target-arch
|
|
// XFAIL: armv7l-unknown-linux-gnueabihf
|
|
|
|
#include <stdlib.h>
|
|
|
|
__attribute__((noinline))
|
|
int boom() {
|
|
volatile int three = 3;
|
|
char * volatile s = (char *)malloc(three);
|
|
// CHECK: #1 0x{{.*}} in boom {{.*}}clang_gcc_abi.cc:[[@LINE-1]]
|
|
return s[three]; //BOOM
|
|
}
|
|
|
|
__attribute__((naked, noinline)) void gcc_abi() {
|
|
// CHECK: #2 0x{{.*}} in gcc_abi {{.*}}clang_gcc_abi.cc:[[@LINE+1]]
|
|
asm volatile("str fp, [sp, #-8]!\n\t"
|
|
"str lr, [sp, #4]\n\t"
|
|
"add fp, sp, #4\n\t"
|
|
"bl boom\n\t"
|
|
"sub sp, fp, #4\n\t"
|
|
"ldr fp, [sp]\n\t"
|
|
"add sp, sp, #4\n\t"
|
|
"ldr pc, [sp], #4\n\t"
|
|
);
|
|
}
|
|
|
|
__attribute__((naked, noinline)) void clang_abi() {
|
|
// CHECK: #3 0x{{.*}} in clang_abi {{.*}}clang_gcc_abi.cc:[[@LINE+1]]
|
|
asm volatile("push {r11, lr}\n\t"
|
|
"mov r11, sp\n\t"
|
|
"bl gcc_abi\n\t"
|
|
"add r0, r0, #1\n\t"
|
|
"pop {r11, pc}\n\t"
|
|
);
|
|
}
|
|
|
|
int main() {
|
|
clang_abi();
|
|
// CHECK: #4 0x{{.*}} in main {{.*}}clang_gcc_abi.cc:[[@LINE-1]]
|
|
}
|