[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:
parent
af3075b93f
commit
6118d07b00
|
@ -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;
|
||||
}
|
Loading…
Reference in New Issue