| 1 | // Intercept the implicit 'this' argument of class member functions. |
| 2 | // |
| 3 | // RUN: %clangxx_xray -g -std=c++11 %s -o %t |
| 4 | // RUN: rm -f log-args-this-* |
| 5 | // RUN: env XRAY_OPTIONS="patch_premain=true verbosity=1 xray_logfile_base=log-args-this-" %run %t |
| 6 | |
| 7 | // REQUIRES: target={{(aarch64|x86_64)-.*}} |
| 8 | |
| 9 | #include "xray/xray_interface.h" |
| 10 | #include <cassert> |
| 11 | |
| 12 | class A { |
| 13 | public: |
| 14 | [[clang::xray_always_instrument, clang::xray_log_args(1)]] void f() { |
| 15 | // does nothing. |
| 16 | } |
| 17 | }; |
| 18 | |
| 19 | volatile uint64_t captured = 0; |
| 20 | |
| 21 | void handler(int32_t, XRayEntryType, uint64_t arg1) { |
| 22 | captured = arg1; |
| 23 | } |
| 24 | |
| 25 | int main() { |
| 26 | __xray_set_handler_arg1(entry: handler); |
| 27 | A instance; |
| 28 | instance.f(); |
| 29 | __xray_remove_handler_arg1(); |
| 30 | assert(captured == (uint64_t)&instance); |
| 31 | } |
| 32 | |