diff options
Diffstat (limited to 'test/xray/TestCases/Posix/arg1-logger.cc')
-rw-r--r-- | test/xray/TestCases/Posix/arg1-logger.cc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/test/xray/TestCases/Posix/arg1-logger.cc b/test/xray/TestCases/Posix/arg1-logger.cc new file mode 100644 index 000000000..25dda13fb --- /dev/null +++ b/test/xray/TestCases/Posix/arg1-logger.cc @@ -0,0 +1,45 @@ +// 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 arg1-logger-* || true +// 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 arg1-logger-* || true +// +// 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 +} |