| // Check that we can get the first function argument logged |
| // using a custom logging function. |
| // |
| // RUN: %clangxx_xray -std=c++11 %s -o %t |
| // RUN: rm -f arg1-logger-* |
| // RUN: XRAY_OPTIONS="patch_premain=true verbosity=1 xray_naive_log=true \ |
| // RUN: xray_logfile_base=arg1-logger-" %run %t 2>&1 | FileCheck %s |
| // |
| // After all that, clean up the XRay log file. |
| // |
| // RUN: rm -f arg1-logger-* |
| // |
| // At the time of writing, the ARM trampolines weren't written yet. |
| // XFAIL: arm || aarch64 || mips |
| // See the mailing list discussion of r296998. |
| // UNSUPPORTED: powerpc64le |
| |
| #include "xray/xray_interface.h" |
| |
| #include <cinttypes> |
| #include <cstdio> |
| |
| void arg1logger(int32_t fn, XRayEntryType t, uint64_t a1) { |
| printf("Arg1: %" PRIx64 ", XRayEntryType %u\n", a1, t); |
| } |
| |
| [[clang::xray_always_instrument, clang::xray_log_args(1)]] void foo(void *) {} |
| |
| int main() { |
| // CHECK: XRay: Log file in 'arg1-logger-{{.*}}' |
| |
| __xray_set_handler_arg1(arg1logger); |
| foo(nullptr); |
| // CHECK: Arg1: 0, XRayEntryType 3 |
| |
| __xray_remove_handler_arg1(); |
| foo((void *) 0xBADC0DE); |
| // nothing expected to see here |
| |
| __xray_set_handler_arg1(arg1logger); |
| foo((void *) 0xDEADBEEFCAFE); |
| // CHECK-NEXT: Arg1: deadbeefcafe, XRayEntryType 3 |
| foo((void *) -1); |
| // CHECK-NEXT: Arg1: ffffffffffffffff, XRayEntryType 3 |
| } |