1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/PerfSpewer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,103 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef jit_PerfSpewer_h
1.11 +#define jit_PerfSpewer_h
1.12 +
1.13 +#ifdef JS_ION_PERF
1.14 +# include <stdio.h>
1.15 +# include "jit/IonMacroAssembler.h"
1.16 +#endif
1.17 +
1.18 +namespace js {
1.19 +namespace jit {
1.20 +
1.21 +class MBasicBlock;
1.22 +class MacroAssembler;
1.23 +
1.24 +#ifdef JS_ION_PERF
1.25 +void CheckPerf();
1.26 +bool PerfBlockEnabled();
1.27 +bool PerfFuncEnabled();
1.28 +static inline bool PerfEnabled() {
1.29 + return PerfBlockEnabled() || PerfFuncEnabled();
1.30 +}
1.31 +#else
1.32 +static inline void CheckPerf() {}
1.33 +static inline bool PerfBlockEnabled() { return false; }
1.34 +static inline bool PerfFuncEnabled() { return false; }
1.35 +static inline bool PerfEnabled() { return false; }
1.36 +#endif
1.37 +
1.38 +#ifdef JS_ION_PERF
1.39 +
1.40 +struct Record {
1.41 + const char *filename;
1.42 + unsigned lineNumber;
1.43 + unsigned columnNumber;
1.44 + uint32_t id;
1.45 + Label start, end;
1.46 + size_t startOffset, endOffset;
1.47 +
1.48 + Record(const char *filename,
1.49 + unsigned lineNumber,
1.50 + unsigned columnNumber,
1.51 + uint32_t id)
1.52 + : filename(filename), lineNumber(lineNumber),
1.53 + columnNumber(columnNumber), id(id),
1.54 + startOffset(0u), endOffset(0u)
1.55 + {}
1.56 +};
1.57 +
1.58 +typedef Vector<Record, 1, SystemAllocPolicy> BasicBlocksVector;
1.59 +
1.60 +class PerfSpewer
1.61 +{
1.62 + protected:
1.63 + static uint32_t nextFunctionIndex;
1.64 +
1.65 + public:
1.66 + Label endInlineCode;
1.67 +
1.68 + protected:
1.69 + BasicBlocksVector basicBlocks_;
1.70 +
1.71 + public:
1.72 + virtual bool startBasicBlock(MBasicBlock *blk, MacroAssembler &masm);
1.73 + bool endBasicBlock(MacroAssembler &masm);
1.74 + bool noteEndInlineCode(MacroAssembler &masm);
1.75 +
1.76 + void writeProfile(JSScript *script, JitCode *code, MacroAssembler &masm);
1.77 +};
1.78 +
1.79 +void writePerfSpewerBaselineProfile(JSScript *script, JitCode *code);
1.80 +void writePerfSpewerJitCodeProfile(JitCode *code, const char *msg);
1.81 +
1.82 +class AsmJSPerfSpewer : public PerfSpewer
1.83 +{
1.84 + public:
1.85 + bool startBasicBlock(MBasicBlock *blk, MacroAssembler &masm);
1.86 +
1.87 + void noteBlocksOffsets();
1.88 + BasicBlocksVector &basicBlocks() { return basicBlocks_; }
1.89 +};
1.90 +
1.91 +void writePerfSpewerAsmJSFunctionMap(uintptr_t base, uintptr_t size, const char *filename,
1.92 + unsigned lineno, unsigned colIndex, const char *funcName);
1.93 +
1.94 +void writePerfSpewerAsmJSBlocksMap(uintptr_t baseAddress, size_t funcStartOffset,
1.95 + size_t funcStartOOLOffset, size_t funcSize,
1.96 + const char *filename, const char *funcName,
1.97 + const BasicBlocksVector &basicBlocks);
1.98 +
1.99 +void writePerfSpewerAsmJSEntriesAndExits(uintptr_t base, size_t size);
1.100 +
1.101 +#endif // JS_ION_PERF
1.102 +
1.103 +} // namespace jit
1.104 +} // namespace js
1.105 +
1.106 +#endif /* jit_PerfSpewer_h */
