From adb092e0aefc7da8fe68d5b49f0e61ae68d8f595 Mon Sep 17 00:00:00 2001 From: Keith Wyss Date: Tue, 17 Apr 2018 21:28:53 +0000 Subject: Implement trampoline and handler for typed xray event tracing. Summary: Compiler-rt support first before defining the __xray_typedevent() lowering in llvm. I'm looking for some early feedback before I touch much more code. Reviewers: dberris Subscribers: delcypher, llvm-commits, #sanitizers Differential Revision: https://reviews.llvm.org/D43668 llvm-svn: 330218 --- compiler-rt/include/xray/xray_interface.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'compiler-rt/include') diff --git a/compiler-rt/include/xray/xray_interface.h b/compiler-rt/include/xray/xray_interface.h index d08039a67fa..ba4c0e81269 100644 --- a/compiler-rt/include/xray/xray_interface.h +++ b/compiler-rt/include/xray/xray_interface.h @@ -27,6 +27,7 @@ enum XRayEntryType { TAIL = 2, LOG_ARGS_ENTRY = 3, CUSTOM_EVENT = 4, + TYPED_EVENT = 5, }; /// Provide a function to invoke for when instrumentation points are hit. This @@ -68,12 +69,23 @@ extern int __xray_set_handler_arg1(void (*entry)(int32_t, XRayEntryType, extern int __xray_remove_handler_arg1(); /// Provide a function to invoke when XRay encounters a custom event. -extern int __xray_set_customevent_handler(void (*entry)(void*, std::size_t)); +extern int __xray_set_customevent_handler(void (*entry)(void *, std::size_t)); /// This removes whatever the currently provided custom event handler is. /// Returns 1 on success, 0 on error. extern int __xray_remove_customevent_handler(); +/// Set a handler for xray typed event logging. The first parameter is a type +/// identifier, the second is a payload, and the third is the payload size. +extern int __xray_set_typedevent_handler(void (*entry)(uint16_t, const void *, + std::size_t)); + +/// Removes the currently set typed event handler. +/// Returns 1 on success, 0 on error. +extern int __xray_remove_typedevent_handler(); + +extern uint16_t __xray_register_event_type(const char *event_type); + enum XRayPatchingStatus { NOT_INITIALIZED = 0, SUCCESS = 1, -- cgit v1.2.1