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// Check that we can patch and un-patch on demand, and that logging gets invoked
// appropriately.
//
// RUN: %clangxx_xray -fxray-instrument -std=c++11 %s -o %t
// RUN: XRAY_OPTIONS="patch_premain=false" %run %t 2>&1 | FileCheck %s
// UNSUPPORTED: target-is-mips64,target-is-mips64el
#include "xray/xray_interface.h"
#include <cstdio>
bool called = false;
void test_handler(int32_t fid, XRayEntryType type) {
printf("called: %d, type=%d\n", fid, static_cast<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", static_cast<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", static_cast<int32_t>(status));
// CHECK-NEXT: patching status: 1
always_instrument();
// CHECK-NEXT: always instrumented called
status = __xray_patch();
printf("patching status: %d\n", static_cast<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", static_cast<int32_t>(status));
// CHECK-NEXT: patching status: 1
}
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