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// 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 xray_naive_log=false" \
// RUN: %run %t 2>&1
// REQUIRES: x86_64-linux
// 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);
}
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