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// Check that we can patch and un-patch on demand, and that logging gets invoked
// appropriately.
//
// Do not run on powerpc64le, as linking XRay with C compiler causes linker error
// due to std::__throw_system_error(int) being present in XRay libraries.
// See https://github.com/llvm/llvm-project/issues/141598
//
// RUN: %clang_xray -fxray-instrument -std=c23 %s -o %t
// RUN: env XRAY_OPTIONS="patch_premain=false" %run %t 2>&1 | FileCheck %s
// RUN: %clang_xray -fxray-instrument -fno-xray-function-index -std=c23 %s -o %t
// RUN: env XRAY_OPTIONS="patch_premain=false" %run %t 2>&1 | FileCheck %s
// UNSUPPORTED: target-is-mips64,target-is-mips64el
// UNSUPPORTED: target=powerpc64le-{{.*}}
#include "xray/xray_interface.h"
#include <stdio.h>
bool called = false;
void test_handler(int32_t fid, enum XRayEntryType type) {
printf("called: %d, type=%d\n", fid, (int32_t)(type));
called = true;
}
[[clang::xray_always_instrument]] void always_instrument() {
printf("always instrumented called\n");
}
int main() {
__xray_set_handler(test_handler);
always_instrument();
// CHECK: always instrumented called
auto status = __xray_patch();
printf("patching status: %d\n", (int32_t)status);
// CHECK-NEXT: patching status: 1
always_instrument();
// CHECK-NEXT: called: {{.*}}, type=0
// CHECK-NEXT: always instrumented called
// CHECK-NEXT: called: {{.*}}, type=1
status = __xray_unpatch();
printf("patching status: %d\n", (int32_t)status);
// CHECK-NEXT: patching status: 1
always_instrument();
// CHECK-NEXT: always instrumented called
status = __xray_patch();
printf("patching status: %d\n", (int32_t)status);
// CHECK-NEXT: patching status: 1
__xray_remove_handler();
always_instrument();
// CHECK-NEXT: always instrumented called
status = __xray_unpatch();
printf("patching status: %d\n", (int32_t)status);
// CHECK-NEXT: patching status: 1
}
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