| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #ifndef jit_PerfSpewer_h |
| #define jit_PerfSpewer_h |
| |
| #include <stdio.h> |
| |
| #include "jsscript.h" |
| #include "IonMacroAssembler.h" |
| #include "js/RootingAPI.h" |
| |
| class JSScript; |
| |
| namespace js { |
| namespace jit { |
| |
| class MBasicBlock; |
| class MacroAssembler; |
| |
| #ifdef JS_ION_PERF |
| void CheckPerf(); |
| bool PerfBlockEnabled(); |
| bool PerfFuncEnabled(); |
| static inline bool PerfEnabled() { |
| return PerfBlockEnabled() || PerfFuncEnabled(); |
| } |
| #else |
| static inline void CheckPerf() {} |
| static inline bool PerfBlockEnabled() { return false; } |
| static inline bool PerfFuncEnabled() { return false; } |
| static inline bool PerfEnabled() { return false; } |
| #endif |
| |
| class PerfSpewer |
| { |
| private: |
| static uint32_t nextFunctionIndex; |
| |
| struct Record { |
| const char *filename; |
| unsigned lineNumber; |
| unsigned columnNumber; |
| uint32_t id; |
| Label start, end; |
| |
| Record(const char *filename, |
| unsigned lineNumber, |
| unsigned columnNumber, |
| uint32_t id) |
| : filename(filename), lineNumber(lineNumber), |
| columnNumber(columnNumber), id(id) |
| {} |
| }; |
| |
| FILE *fp_; |
| Vector<Record, 1, SystemAllocPolicy> basicBlocks_; |
| |
| public: |
| PerfSpewer(); |
| ~PerfSpewer(); |
| |
| bool init(const char *path); |
| |
| bool startBasicBlock(MBasicBlock *blk, MacroAssembler &masm); |
| bool endBasicBlock(MacroAssembler &masm); |
| void writeProfile(JSScript *script, |
| IonCode *code, |
| MacroAssembler &masm); |
| }; |
| |
| } // namespace jit |
| } // namespace js |
| |
| #endif /* jit_PerfSpewer_h */ |