mirror of
https://github.com/classilla/tenfourfox.git
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96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef jit_PerfSpewer_h
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#define jit_PerfSpewer_h
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#ifdef JS_ION_PERF
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# include <stdio.h>
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# include "jit/MacroAssembler.h"
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#endif
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namespace js {
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namespace jit {
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class MBasicBlock;
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class MacroAssembler;
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#ifdef JS_ION_PERF
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void CheckPerf();
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bool PerfBlockEnabled();
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bool PerfFuncEnabled();
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static inline bool PerfEnabled() {
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return PerfBlockEnabled() || PerfFuncEnabled();
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}
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#else
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static inline void CheckPerf() {}
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static inline bool PerfBlockEnabled() { return false; }
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static inline bool PerfFuncEnabled() { return false; }
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static inline bool PerfEnabled() { return false; }
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#endif
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#ifdef JS_ION_PERF
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struct Record {
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const char* filename;
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unsigned lineNumber;
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unsigned columnNumber;
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uint32_t id;
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Label start, end;
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size_t startOffset, endOffset;
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Record(const char* filename,
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unsigned lineNumber,
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unsigned columnNumber,
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uint32_t id)
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: filename(filename), lineNumber(lineNumber),
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columnNumber(columnNumber), id(id),
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startOffset(0u), endOffset(0u)
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{}
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};
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typedef Vector<Record, 1, SystemAllocPolicy> BasicBlocksVector;
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class PerfSpewer
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{
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protected:
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static uint32_t nextFunctionIndex;
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public:
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Label endInlineCode;
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protected:
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BasicBlocksVector basicBlocks_;
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public:
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virtual bool startBasicBlock(MBasicBlock* blk, MacroAssembler& masm);
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virtual bool endBasicBlock(MacroAssembler& masm);
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bool noteEndInlineCode(MacroAssembler& masm);
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void writeProfile(JSScript* script, JitCode* code, MacroAssembler& masm);
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};
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void writePerfSpewerBaselineProfile(JSScript* script, JitCode* code);
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void writePerfSpewerJitCodeProfile(JitCode* code, const char* msg);
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// AsmJS doesn't support block annotations.
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class AsmJSPerfSpewer : public PerfSpewer
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{
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public:
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bool startBasicBlock(MBasicBlock* blk, MacroAssembler& masm) { return true; }
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bool endBasicBlock(MacroAssembler& masm) { return true; }
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};
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void writePerfSpewerAsmJSFunctionMap(uintptr_t base, uintptr_t size, const char* filename,
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unsigned lineno, unsigned colIndex, const char* funcName);
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#endif // JS_ION_PERF
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} // namespace jit
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} // namespace js
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#endif /* jit_PerfSpewer_h */
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