diff options
Diffstat (limited to 'test/xray/TestCases/Posix/custom-event-logging.cc')
-rw-r--r-- | test/xray/TestCases/Posix/custom-event-logging.cc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/xray/TestCases/Posix/custom-event-logging.cc b/test/xray/TestCases/Posix/custom-event-logging.cc new file mode 100644 index 000000000000..48fd62034194 --- /dev/null +++ b/test/xray/TestCases/Posix/custom-event-logging.cc @@ -0,0 +1,42 @@ +// Use the clang feature for custom xray event logging. +// +// RUN: %clangxx_xray -std=c++11 %s -o %t +// RUN: XRAY_OPTIONS="patch_premain=false verbosity=1 xray_naive_log=false xray_logfile_base=custom-event-logging.xray-" %run %t 2>&1 | FileCheck %s +// RUN: %clangxx_xray -std=c++11 -fpic -fpie %s -o %t +// RUN: XRAY_OPTIONS="patch_premain=false verbosity=1 xray_naive_log=false xray_logfile_base=custom-event-logging.xray-" %run %t 2>&1 | FileCheck %s +// FIXME: Support this in non-x86_64 as well +// REQUIRES: x86_64-linux +// REQUIRES: built-in-llvm-tree +#include <cstdio> +#include "xray/xray_interface.h" + +[[clang::xray_always_instrument]] void foo() { + static constexpr char CustomLogged[] = "hello custom logging!"; + printf("before calling the custom logging...\n"); + __xray_customevent(CustomLogged, sizeof(CustomLogged)); + printf("after calling the custom logging...\n"); +} + +void myprinter(void* ptr, size_t size) { + printf("%.*s\n", static_cast<int>(size), static_cast<const char*>(ptr)); +} + +int main() { + foo(); + // CHECK: before calling the custom logging... + // CHECK-NEXT: after calling the custom logging... + printf("setting up custom event handler...\n"); + // CHECK-NEXT: setting up custom event handler... + __xray_set_customevent_handler(myprinter); + __xray_patch(); + // CHECK-NEXT: before calling the custom logging... + foo(); + // CHECK-NEXT: hello custom logging! + // CHECK-NEXT: after calling the custom logging... + printf("removing custom event handler...\n"); + // CHECK-NEXT: removing custom event handler... + __xray_remove_customevent_handler(); + foo(); + // CHECK-NEXT: before calling the custom logging... + // CHECK-NEXT: after calling the custom logging... +} |