diff options
Diffstat (limited to 'Source/JavaScriptCore/jit/JITDisassembler.cpp')
| -rw-r--r-- | Source/JavaScriptCore/jit/JITDisassembler.cpp | 89 |
1 files changed, 75 insertions, 14 deletions
diff --git a/Source/JavaScriptCore/jit/JITDisassembler.cpp b/Source/JavaScriptCore/jit/JITDisassembler.cpp index eaef844bf..39953fa34 100644 --- a/Source/JavaScriptCore/jit/JITDisassembler.cpp +++ b/Source/JavaScriptCore/jit/JITDisassembler.cpp @@ -31,6 +31,7 @@ #include "CodeBlock.h" #include "CodeBlockWithJITType.h" #include "JIT.h" +#include <wtf/StringPrintStream.h> namespace JSC { @@ -47,18 +48,10 @@ JITDisassembler::~JITDisassembler() void JITDisassembler::dump(PrintStream& out, LinkBuffer& linkBuffer) { - out.print("Baseline JIT code for ", CodeBlockWithJITType(m_codeBlock, JITCode::BaselineJIT), ", instruction count = ", m_codeBlock->instructionCount(), "\n"); - out.print(" Code at [", RawPointer(linkBuffer.debugAddress()), ", ", RawPointer(static_cast<char*>(linkBuffer.debugAddress()) + linkBuffer.debugSize()), "):\n"); + dumpHeader(out, linkBuffer); dumpDisassembly(out, linkBuffer, m_startOfCode, m_labelForBytecodeIndexInMainPath[0]); - MacroAssembler::Label firstSlowLabel; - for (unsigned i = 0; i < m_labelForBytecodeIndexInSlowPath.size(); ++i) { - if (m_labelForBytecodeIndexInSlowPath[i].isSet()) { - firstSlowLabel = m_labelForBytecodeIndexInSlowPath[i]; - break; - } - } - dumpForInstructions(out, linkBuffer, " ", m_labelForBytecodeIndexInMainPath, firstSlowLabel.isSet() ? firstSlowLabel : m_endOfSlowPath); + dumpForInstructions(out, linkBuffer, " ", m_labelForBytecodeIndexInMainPath, firstSlowLabel()); out.print(" (End Of Main Path)\n"); dumpForInstructions(out, linkBuffer, " (S) ", m_labelForBytecodeIndexInSlowPath, m_endOfSlowPath); out.print(" (End Of Slow Path)\n"); @@ -71,27 +64,95 @@ void JITDisassembler::dump(LinkBuffer& linkBuffer) dump(WTF::dataFile(), linkBuffer); } -void JITDisassembler::dumpForInstructions(PrintStream& out, LinkBuffer& linkBuffer, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel) +void JITDisassembler::reportToProfiler(Profiler::Compilation* compilation, LinkBuffer& linkBuffer) +{ + StringPrintStream out; + + dumpHeader(out, linkBuffer); + compilation->addDescription(Profiler::CompiledBytecode(Profiler::OriginStack(), out.toCString())); + out.reset(); + dumpDisassembly(out, linkBuffer, m_startOfCode, m_labelForBytecodeIndexInMainPath[0]); + compilation->addDescription(Profiler::CompiledBytecode(Profiler::OriginStack(), out.toCString())); + + reportInstructions(compilation, linkBuffer, " ", m_labelForBytecodeIndexInMainPath, firstSlowLabel()); + compilation->addDescription(Profiler::CompiledBytecode(Profiler::OriginStack(), " (End Of Main Path)\n")); + reportInstructions(compilation, linkBuffer, " (S) ", m_labelForBytecodeIndexInSlowPath, m_endOfSlowPath); + compilation->addDescription(Profiler::CompiledBytecode(Profiler::OriginStack(), " (End Of Slow Path)\n")); + out.reset(); + dumpDisassembly(out, linkBuffer, m_endOfSlowPath, m_endOfCode); + compilation->addDescription(Profiler::CompiledBytecode(Profiler::OriginStack(), out.toCString())); +} + +void JITDisassembler::dumpHeader(PrintStream& out, LinkBuffer& linkBuffer) +{ + out.print("Generated Baseline JIT code for ", CodeBlockWithJITType(m_codeBlock, JITCode::BaselineJIT), ", instruction count = ", m_codeBlock->instructionCount(), "\n"); + out.print(" Source: ", m_codeBlock->sourceCodeOnOneLine(), "\n"); + out.print(" Code at [", RawPointer(linkBuffer.debugAddress()), ", ", RawPointer(static_cast<char*>(linkBuffer.debugAddress()) + linkBuffer.debugSize()), "):\n"); +} + +MacroAssembler::Label JITDisassembler::firstSlowLabel() +{ + MacroAssembler::Label firstSlowLabel; + for (unsigned i = 0; i < m_labelForBytecodeIndexInSlowPath.size(); ++i) { + if (m_labelForBytecodeIndexInSlowPath[i].isSet()) { + firstSlowLabel = m_labelForBytecodeIndexInSlowPath[i]; + break; + } + } + return firstSlowLabel.isSet() ? firstSlowLabel : m_endOfSlowPath; +} + +Vector<JITDisassembler::DumpedOp> JITDisassembler::dumpVectorForInstructions(LinkBuffer& linkBuffer, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel) { - for (unsigned i = 0 ; i < labels.size();) { + StringPrintStream out; + Vector<DumpedOp> result; + + for (unsigned i = 0; i < labels.size();) { if (!labels[i].isSet()) { i++; continue; } + out.reset(); + result.append(DumpedOp()); + result.last().index = i; out.print(prefix); - m_codeBlock->dumpBytecode(i); + m_codeBlock->dumpBytecode(out, i); for (unsigned nextIndex = i + 1; ; nextIndex++) { if (nextIndex >= labels.size()) { dumpDisassembly(out, linkBuffer, labels[i], endLabel); - return; + result.last().disassembly = out.toCString(); + return result; } if (labels[nextIndex].isSet()) { dumpDisassembly(out, linkBuffer, labels[i], labels[nextIndex]); + result.last().disassembly = out.toCString(); i = nextIndex; break; } } } + + return result; +} + +void JITDisassembler::dumpForInstructions(PrintStream& out, LinkBuffer& linkBuffer, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel) +{ + Vector<DumpedOp> dumpedOps = dumpVectorForInstructions(linkBuffer, prefix, labels, endLabel); + + for (unsigned i = 0; i < dumpedOps.size(); ++i) + out.print(dumpedOps[i].disassembly); +} + +void JITDisassembler::reportInstructions(Profiler::Compilation* compilation, LinkBuffer& linkBuffer, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel) +{ + Vector<DumpedOp> dumpedOps = dumpVectorForInstructions(linkBuffer, prefix, labels, endLabel); + + for (unsigned i = 0; i < dumpedOps.size(); ++i) { + compilation->addDescription( + Profiler::CompiledBytecode( + Profiler::OriginStack(Profiler::Origin(compilation->bytecodes(), dumpedOps[i].index)), + dumpedOps[i].disassembly)); + } } void JITDisassembler::dumpDisassembly(PrintStream& out, LinkBuffer& linkBuffer, MacroAssembler::Label from, MacroAssembler::Label to) |