forked from OSchip/llvm-project
32 lines
755 B
C++
32 lines
755 B
C++
// Intercept the implicit 'this' argument of class member functions.
|
|
//
|
|
// RUN: %clangxx_xray -g -std=c++11 %s -o %t
|
|
// RUN: rm -f log-args-this-*
|
|
// RUN: XRAY_OPTIONS="patch_premain=true verbosity=1 xray_logfile_base=log-args-this-" %run %t
|
|
//
|
|
// XFAIL: FreeBSD || arm || aarch64 || mips
|
|
// UNSUPPORTED: powerpc64le
|
|
#include "xray/xray_interface.h"
|
|
#include <cassert>
|
|
|
|
class A {
|
|
public:
|
|
[[clang::xray_always_instrument, clang::xray_log_args(1)]] void f() {
|
|
// does nothing.
|
|
}
|
|
};
|
|
|
|
volatile uint64_t captured = 0;
|
|
|
|
void handler(int32_t, XRayEntryType, uint64_t arg1) {
|
|
captured = arg1;
|
|
}
|
|
|
|
int main() {
|
|
__xray_set_handler_arg1(handler);
|
|
A instance;
|
|
instance.f();
|
|
__xray_remove_handler_arg1();
|
|
assert(captured == (uint64_t)&instance);
|
|
}
|