1 | // Check that we can get the first function argument logged |
2 | // using a custom logging function. |
3 | // |
4 | // RUN: %clangxx_xray -std=c++11 %s -o %t |
5 | // RUN: rm -f arg1-logger-* |
6 | // RUN: XRAY_OPTIONS="patch_premain=true verbosity=1 xray_mode=xray-basic \ |
7 | // RUN: xray_logfile_base=arg1-logger-" %run %t 2>&1 | FileCheck %s |
8 | // |
9 | // After all that, clean up the XRay log file. |
10 | // |
11 | // RUN: rm -f arg1-logger-* |
12 | |
13 | // REQUIRES: target={{(aarch64|x86_64)-.*}} |
14 | |
15 | #include "xray/xray_interface.h" |
16 | |
17 | #include <cinttypes> |
18 | #include <cstdio> |
19 | |
20 | void arg1logger(int32_t fn, XRayEntryType t, uint64_t a1) { |
21 | printf(format: "Arg1: %" PRIx64 ", XRayEntryType %u\n" , a1, t); |
22 | } |
23 | |
24 | [[clang::xray_always_instrument, clang::xray_log_args(1)]] void foo(void *) {} |
25 | |
26 | int main() { |
27 | // CHECK: XRay: Log file in 'arg1-logger-{{.*}}' |
28 | |
29 | __xray_set_handler_arg1(entry: arg1logger); |
30 | foo(nullptr); |
31 | // CHECK: Arg1: 0, XRayEntryType 3 |
32 | |
33 | __xray_remove_handler_arg1(); |
34 | foo((void *) 0xBADC0DE); |
35 | // nothing expected to see here |
36 | |
37 | __xray_set_handler_arg1(entry: arg1logger); |
38 | foo((void *) 0xDEADBEEFCAFE); |
39 | // CHECK-NEXT: Arg1: deadbeefcafe, XRayEntryType 3 |
40 | foo((void *) -1); |
41 | // CHECK-NEXT: Arg1: ffffffffffffffff, XRayEntryType 3 |
42 | } |
43 | |