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: 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 | |