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[asan-assembly-instrumentation] Added end-to-end test for proper stack unwind for functions with inline assembly. 

Summary: [asan-assembly-instrumentation] Added end-to-end test for proper stack unwind for functions with inline assembly.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5260

llvm-svn: 217487
This commit is contained in:
Yuri Gorshenin 2014-09-10 10:44:35 +00:00
parent af3075b93f
commit 6118d07b00
1 changed files with 29 additions and 0 deletions
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29
compiler-rt/test/asan/TestCases/Linux/asan-asm-stacktrace-test.cc Normal file
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// 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;
}