You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.5 KiB
58 lines
1.5 KiB
4 months ago
|
// Make sure that we're aligning the stack properly to support handlers that
|
||
|
|
// expect 16-byte alignment of the stack.
|
||
|
|
//
|
||
|
|
// RUN: %clangxx_xray -std=c++11 %s -o %t
|
||
|
|
// RUN: XRAY_OPTIONS="patch_premain=false verbosity=1" \
|
||
|
|
// RUN: %run %t 2>&1
|
||
|
|
// REQUIRES: x86_64-target-arch
|
||
|
|
// REQUIRES: built-in-llvm-tree
|
||
|
|
#include "xray/xray_interface.h"
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <xmmintrin.h>
|
||
|
|
|
||
|
|
[[clang::xray_never_instrument]] __attribute__((weak)) __m128 f(__m128 *i) {
|
||
|
|
return *i;
|
||
|
|
}
|
||
|
|
|
||
|
|
[[clang::xray_always_instrument]] __attribute__((noinline)) void noarg() {
|
||
|
|
__m128 v = {};
|
||
|
|
f(&v);
|
||
|
|
}
|
||
|
|
|
||
|
|
[[ clang::xray_always_instrument, clang::xray_log_args(1) ]]
|
||
|
|
__attribute__((noinline)) void arg1(int) {
|
||
|
|
__m128 v = {};
|
||
|
|
f(&v);
|
||
|
|
}
|
||
|
|
|
||
|
|
[[clang::xray_always_instrument]] __attribute__((noinline))
|
||
|
|
void no_alignment() {}
|
||
|
|
|
||
|
|
[[clang::xray_never_instrument]] void noarg_handler(int32_t,
|
||
|
|
XRayEntryType) {
|
||
|
|
printf("noarg handler called\n");
|
||
|
|
__m128 v = {};
|
||
|
|
f(&v);
|
||
|
|
}
|
||
|
|
|
||
|
|
[[clang::xray_never_instrument]] void arg1_handler(int32_t, XRayEntryType,
|
||
|
|
uint64_t) {
|
||
|
|
printf("arg1 handler called\n");
|
||
|
|
__m128 v = {};
|
||
|
|
f(&v);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
__xray_set_handler(noarg_handler);
|
||
|
|
__xray_set_handler_arg1(arg1_handler);
|
||
|
|
__xray_patch();
|
||
|
|
noarg(); // CHECK: noarg handler called
|
||
|
|
arg1(argc); // CHECK: arg1 handler called
|
||
|
|
no_alignment();
|
||
|
|
__xray_unpatch();
|
||
|
|
__xray_remove_handler();
|
||
|
|
__xray_remove_handler_arg1();
|
||
|
|
noarg();
|
||
|
|
arg1(argc);
|
||
|
|
}
|