OpenJDK 27 · sun.jvm.hotspot.oops.GenerateOopMap · APIdia, the JavaDoc alternative

Modifier and Type	Class and Description
pack-priv static class	GenerateOopMap.BasicBlock
pack-priv static class	GenerateOopMap.ComputeCallStack Specialization of SignatureIterator - compute the effects of a call
pack-priv static class	GenerateOopMap.ComputeEntryStack Specialization of SignatureIterator - in order to set up first stack frame
pack-priv static interface	GenerateOopMap.JumpClosure
pack-priv static class	GenerateOopMap.RetTable
pack-priv static class	GenerateOopMap.RetTableEntry Contains mapping between jsr targets and their return addresses.

Field Summary

Modifier and Type	Field and Description
pack-priv GenerateOopMap.BasicBlock[]	_basic_blocks
pack-priv int	_bb_count
pack-priv BitMap	_bb_hdr_bits
pack-priv boolean	_conflict
pack-priv String	_error_msg
pack-priv int	_gc_points
pack-priv boolean	_got_error
pack-priv boolean	_has_exceptions
pack-priv List<Integer>	_init_vars
pack-priv BytecodeStream	_itr_send
pack-priv int	_matching_enter_bci
pack-priv int	_max_locals
pack-priv int	_max_monitors
pack-priv int	_max_stack
pack-priv Method	_method
pack-priv boolean	_monitor_safe
pack-priv int	_monitor_top
pack-priv int[]	_new_var_map
pack-priv int	_nof_refval_conflicts
pack-priv int	_report_for_exit_bci
pack-priv boolean	_report_result
pack-priv boolean	_report_result_for_send
pack-priv GenerateOopMap.RetTable	_rt
pack-priv int	_stack_top
pack-priv CellTypeStateList	_state
pack-priv int	_state_len
pack-priv char[]	_state_vec_buf
protected static final int	bad_monitors
private static final boolean	DEBUG
pack-priv static CellTypeState[]	epsilonCTS
private static final int	MAX_LOCAL_VARS
private static final int	MAXARGSIZE
pack-priv static CellTypeState[]	rCTS
pack-priv static CellTypeState	refCTS
pack-priv static CellTypeState[]	rrCTS
pack-priv static CellTypeState[]	rvrCTS
private static final boolean	TraceMonitorMismatch
private static final boolean	TraceOopMapRewrites
pack-priv static CellTypeState	valCTS
pack-priv static CellTypeState[]	vCTS
pack-priv static CellTypeState[]	vrCTS
pack-priv static CellTypeState[]	vvCTS
pack-priv static CellTypeState[]	vvrCTS
pack-priv static CellTypeState[]	vvvCTS
pack-priv static CellTypeState[]	vvvrCTS
pack-priv static CellTypeState[]	vvvvCTS

Access	Constructor and Description
public	GenerateOopMap(Method method)

Method Summary

Modifier and Type	Method and Description
pack-priv void	addToRefInitSet(int localNo)
public boolean	allowRewrites()
pack-priv int	bbCount()
private int	bbIndex(GenerateOopMap.BasicBlock bb)
pack-priv void	checkType(CellTypeState expected, CellTypeState actual)
pack-priv void	clear_bbmark_bit(int bci)
public void	computeMap()
pack-priv int	copyCTS(CellTypeState[] dst, CellTypeState[] src)
pack-priv void	copyState(CellTypeStateList dst, CellTypeStateList src)
pack-priv void	doAstore(int idx)
pack-priv void	doCheckcast()
pack-priv void	doExceptionEdge(BytecodeStream itr)
pack-priv void	doField(boolean is_get, boolean is_static, int idx, int bci, int bc)
pack-priv void	doInterpretation()
pack-priv void	doJsr(int targBCI)
pack-priv void	doLdc(int bci)
pack-priv void	doMethod(boolean is_static, boolean is_interface, int idx, int bci, int bc)
pack-priv void	doMonitorenter(int bci)
pack-priv void	doMonitorexit(int bci)
pack-priv void	doMultianewarray(int dims, int bci)
pack-priv void	doReturnMonitorCheck()
public void	fillInitVars(List<Integer> init_vars)
public void	fillStackmapEpilog()
public void	fillStackmapForOpcodes(BytecodeStream bcs, CellTypeStateList vars, CellTypeStateList stack, int stackTop)
public void	fillStackmapProlog(int nofGCPoints)
pack-priv int	gcPoints()
pack-priv GenerateOopMap.BasicBlock	getBasicBlockAt(int bci)
pack-priv GenerateOopMap.BasicBlock	getBasicBlockContaining(int bci)
public int	getMonitorMatch(int bci)
pack-priv CellTypeState	getVar(int localNo)
pack-priv void	initBasicBlocks()
pack-priv void	initializeBB()
pack-priv void	initializeVars()
pack-priv void	initState()
pack-priv void	interp1(BytecodeStream itr) Sets the current state to be the state after executing the current instruction, starting in the current state.
pack-priv void	interpAll()
pack-priv void	interpBB(GenerateOopMap.BasicBlock bb)
pack-priv boolean	isBBHeader(int bci)
pack-priv boolean	jumpTargetsDo(BytecodeStream bcs, GenerateOopMap.JumpClosure closure, int[] data) If the current instruction in "c" has no effect on control flow, returns "true".
pack-priv void	makeContextUninitialized()
pack-priv void	markBB(int bci, int[] data)
pack-priv void	markBBHeadersAndCountGCPoints()
pack-priv void	markReachableCode()
public int	maxLocals()
pack-priv void	mergeState(int bci, int[] data)
pack-priv void	mergeStateIntoBB(GenerateOopMap.BasicBlock bb)
pack-priv boolean	mergeStateVectors(CellTypeStateList cts, CellTypeStateList bbts)
public Method	method()
pack-priv int	methodsigToEffect(Symbol signature, boolean isStatic, CellTypeStateList effect)
pack-priv CellTypeState	monitorPop()
pack-priv void	monitorPush(CellTypeState cts)
pack-priv CellTypeStateList	monitors()
public boolean	monitorSafe()
pack-priv int	nextBBStartPC(GenerateOopMap.BasicBlock bb)
pack-priv CellTypeState	pop()
public boolean	possibleGCPoint(BytecodeStream bcs)
pack-priv void	pp(CellTypeState[] in, CellTypeState[] out)
pack-priv void	ppdupswap(int poplen, String out)
pack-priv void	ppload(CellTypeState[] out, int loc_no)
pack-priv void	ppNewRef(CellTypeState[] in, int bci)
pack-priv void	ppop(CellTypeState[] out)
pack-priv void	ppop1(CellTypeState out)
pack-priv void	ppopAny(int poplen)
pack-priv void	ppstore(CellTypeState[] in, int loc_no)
pack-priv void	ppush(CellTypeState[] in)
pack-priv void	ppush(CellTypeStateList in)
pack-priv void	ppush1(CellTypeState in)
pack-priv void	printCurrentState(PrintStream tty, BytecodeStream currentBC, boolean detailed)
pack-priv void	printStates(PrintStream tty, CellTypeStateList vector, int num)
pack-priv void	push(CellTypeState cts)
pack-priv void	reachableBasicblock(int bci, int[] data)
pack-priv void	recordRefvalConflict(int varNo)
pack-priv void	replaceAllCTSMatches(CellTypeState match, CellTypeState replace)
public boolean	reportInitVars()
pack-priv void	reportMonitorMismatch(String msg)
pack-priv void	reportResult()
public boolean	reportResults()
pack-priv void	restoreState(GenerateOopMap.BasicBlock bb)
public void	resultForBasicblock(int bci)
pack-priv void	retJumpTargetsDo(BytecodeStream bcs, GenerateOopMap.JumpClosure closure, int varNo, int[] data)
pack-priv void	rewriteRefvalConflicts()
pack-priv void	setBBMarkBit(int bci)
pack-priv void	setupMethodEntryState()
pack-priv void	setVar(int localNo, CellTypeState cts)
pack-priv CellTypeState[]	sigcharToEffect(char sigch, int bci, CellTypeState[] out)
pack-priv CellTypeStateList	stack()
pack-priv String	stateVecToString(CellTypeStateList vec, int len)
pack-priv void	updateBasicBlocks(int bci, int delta)
pack-priv CellTypeStateList	vars()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

public Class GenerateOopMap

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary