void adjustAndJumpToTarget(CCallHelpers& jit, const OSRExitBase& exit)
{
#if ENABLE(GGC)
jit.move(AssemblyHelpers::TrustedImmPtr(jit.codeBlock()->ownerExecutable()), GPRInfo::nonArgGPR0);
osrWriteBarrier(jit, GPRInfo::nonArgGPR0, GPRInfo::nonArgGPR1);
InlineCallFrameSet* inlineCallFrames = jit.codeBlock()->jitCode()->dfgCommon()->inlineCallFrames.get();
if (inlineCallFrames) {
for (InlineCallFrame* inlineCallFrame : *inlineCallFrames) {
ScriptExecutable* ownerExecutable = inlineCallFrame->executable.get();
jit.move(AssemblyHelpers::TrustedImmPtr(ownerExecutable), GPRInfo::nonArgGPR0);
osrWriteBarrier(jit, GPRInfo::nonArgGPR0, GPRInfo::nonArgGPR1);
}
}
#endif
if (exit.m_codeOrigin.inlineCallFrame)
jit.addPtr(AssemblyHelpers::TrustedImm32(exit.m_codeOrigin.inlineCallFrame->stackOffset * sizeof(EncodedJSValue)), GPRInfo::callFrameRegister);
CodeBlock* baselineCodeBlock = jit.baselineCodeBlockFor(exit.m_codeOrigin);
Vector<BytecodeAndMachineOffset>& decodedCodeMap = jit.decodedCodeMapFor(baselineCodeBlock);
BytecodeAndMachineOffset* mapping = binarySearch<BytecodeAndMachineOffset, unsigned>(decodedCodeMap, decodedCodeMap.size(), exit.m_codeOrigin.bytecodeIndex, BytecodeAndMachineOffset::getBytecodeIndex);
ASSERT(mapping);
ASSERT(mapping->m_bytecodeIndex == exit.m_codeOrigin.bytecodeIndex);
void* jumpTarget = baselineCodeBlock->jitCode()->executableAddressAtOffset(mapping->m_machineCodeOffset);
jit.addPtr(AssemblyHelpers::TrustedImm32(JIT::stackPointerOffsetFor(baselineCodeBlock) * sizeof(Register)), GPRInfo::callFrameRegister, AssemblyHelpers::stackPointerRegister);
jit.jitAssertTagsInPlace();
jit.move(AssemblyHelpers::TrustedImmPtr(jumpTarget), GPRInfo::regT2);
jit.jump(GPRInfo::regT2);
}
void adjustAndJumpToTarget(CCallHelpers& jit, const OSRExitBase& exit)
{
#if ENABLE(GGC)
// 11) Write barrier the owner executable because we're jumping into a different block.
for (CodeOrigin codeOrigin = exit.m_codeOrigin; ; codeOrigin = codeOrigin.inlineCallFrame->caller) {
CodeBlock* baselineCodeBlock = jit.baselineCodeBlockFor(codeOrigin);
jit.move(AssemblyHelpers::TrustedImmPtr(baselineCodeBlock->ownerExecutable()), GPRInfo::nonArgGPR0);
osrWriteBarrier(jit, GPRInfo::nonArgGPR0, GPRInfo::nonArgGPR1, GPRInfo::nonArgGPR2);
if (!codeOrigin.inlineCallFrame)
break;
}
#endif
if (exit.m_codeOrigin.inlineCallFrame)
jit.addPtr(AssemblyHelpers::TrustedImm32(exit.m_codeOrigin.inlineCallFrame->stackOffset * sizeof(EncodedJSValue)), GPRInfo::callFrameRegister);
CodeBlock* baselineCodeBlock = jit.baselineCodeBlockFor(exit.m_codeOrigin);
Vector<BytecodeAndMachineOffset>& decodedCodeMap = jit.decodedCodeMapFor(baselineCodeBlock);
BytecodeAndMachineOffset* mapping = binarySearch<BytecodeAndMachineOffset, unsigned>(decodedCodeMap, decodedCodeMap.size(), exit.m_codeOrigin.bytecodeIndex, BytecodeAndMachineOffset::getBytecodeIndex);
ASSERT(mapping);
ASSERT(mapping->m_bytecodeIndex == exit.m_codeOrigin.bytecodeIndex);
void* jumpTarget = baselineCodeBlock->jitCode()->executableAddressAtOffset(mapping->m_machineCodeOffset);
jit.addPtr(AssemblyHelpers::TrustedImm32(JIT::stackPointerOffsetFor(baselineCodeBlock) * sizeof(Register)), GPRInfo::callFrameRegister, AssemblyHelpers::stackPointerRegister);
jit.jitAssertTagsInPlace();
jit.move(AssemblyHelpers::TrustedImmPtr(jumpTarget), GPRInfo::regT2);
jit.jump(GPRInfo::regT2);
}
void adjustAndJumpToTarget(CCallHelpers& jit, const OSRExitBase& exit)
{
if (exit.m_codeOrigin.inlineCallFrame)
jit.addPtr(AssemblyHelpers::TrustedImm32(exit.m_codeOrigin.inlineCallFrame->stackOffset * sizeof(EncodedJSValue)), GPRInfo::callFrameRegister);
CodeBlock* baselineCodeBlock = jit.baselineCodeBlockFor(exit.m_codeOrigin);
Vector<BytecodeAndMachineOffset>& decodedCodeMap = jit.decodedCodeMapFor(baselineCodeBlock);
BytecodeAndMachineOffset* mapping = binarySearch<BytecodeAndMachineOffset, unsigned>(decodedCodeMap, decodedCodeMap.size(), exit.m_codeOrigin.bytecodeIndex, BytecodeAndMachineOffset::getBytecodeIndex);
ASSERT(mapping);
ASSERT(mapping->m_bytecodeIndex == exit.m_codeOrigin.bytecodeIndex);
void* jumpTarget = baselineCodeBlock->jitCode()->executableAddressAtOffset(mapping->m_machineCodeOffset);
jit.move(AssemblyHelpers::TrustedImmPtr(jumpTarget), GPRInfo::regT2);
jit.jump(GPRInfo::regT2);
#if DFG_ENABLE(DEBUG_VERBOSE)
dataLogF(" -> %p\n", jumpTarget);
#endif
}
