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