diff options
| -rw-r--r-- | compiler-rt/test/asan/TestCases/Linux/asan-asm-stacktrace-test.cc | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/Linux/asan-asm-stacktrace-test.cc b/compiler-rt/test/asan/TestCases/Linux/asan-asm-stacktrace-test.cc new file mode 100644 index 00000000000..3835fbc2dc4 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Linux/asan-asm-stacktrace-test.cc @@ -0,0 +1,29 @@ +// Check that a stack unwinding algorithm works corretly even with the assembly +// instrumentation. + +// REQUIRES: x86_64-supported-target,i386-supported-target +// RUN: %clangxx_asan -g -O1 %s -fno-inline-functions -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -g -O1 %s -fno-inline-functions -fomit-frame-pointer -momit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s + +#include <cstddef> + +// CHECK: READ of size 4 +// CHECK: {{#0 0x[0-9a-fA-F]+ in foo}} +// CHECK: {{#1 0x[0-9a-fA-F]+ in main}} + +__attribute__((noinline)) int foo(size_t n, int *buffer) { + int r; + __asm__("movl (%[buffer], %[n], 4), %[r] \n\t" + : [r] "=r"(r) + : [buffer] "r"(buffer), [n] "r"(n) + : "memory"); + return r; +} + +int main() { + const size_t n = 16; + int *buffer = new int[n]; + foo(n, buffer); + delete[] buffer; + return 0; +} |
