1 | // Make sure we're aligning the stack properly when lowering the custom event |
2 | // calls. |
3 | // |
4 | // RUN: %clangxx_xray -std=c++11 %s -o %t |
5 | // RUN: XRAY_OPTIONS="patch_premain=false verbosity=1" \ |
6 | // RUN: %run %t 2>&1 |
7 | // REQUIRES: x86_64-target-arch |
8 | // REQUIRES: built-in-llvm-tree |
9 | #include <xmmintrin.h> |
10 | #include <stdio.h> |
11 | #include "xray/xray_interface.h" |
12 | |
13 | [[clang::xray_never_instrument]] __attribute__((weak)) __m128 f(__m128 *i) { |
14 | return *i; |
15 | } |
16 | |
17 | [[clang::xray_always_instrument]] void foo() { |
18 | __xray_customevent(0, 0); |
19 | __m128 v = {}; |
20 | f(i: &v); |
21 | } |
22 | |
23 | [[clang::xray_always_instrument]] void bar() { |
24 | __xray_customevent(0, 0); |
25 | } |
26 | |
27 | void printer(void* ptr, size_t size) { |
28 | printf(format: "handler called\n" ); |
29 | __m128 v = {}; |
30 | f(i: &v); |
31 | } |
32 | |
33 | int main(int argc, char* argv[]) { |
34 | __xray_set_customevent_handler(entry: printer); |
35 | __xray_patch(); |
36 | foo(); // CHECK: handler called |
37 | bar(); // CHECK: handler called |
38 | __xray_unpatch(); |
39 | __xray_remove_customevent_handler(); |
40 | foo(); |
41 | bar(); |
42 | } |
43 | |