executionstate.hpp File Reference

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Data Structures
struct	executionstate_t

Macros
#define	SIZE_OF_STACKSLOT   8
#define	STACK_SLOTS_PER_FLOAT   1

Typedefs
typedef uint64_t	stackslot_t

Functions
void	executionstate_pop_stackframe (executionstate_t *es)
	Restore callee-saved registers (including the RA register), set the stack pointer to the next stackframe, set the PC to the return address of the popped frame. More...
void	executionstate_unwind_exception (executionstate_t *es, java_handle_t *e)
	Performs stack unwinding in case of an exception. More...
void	executionstate_sanity_check (void *context)
void	executionstate_println (executionstate_t *es)
void	md_executionstate_read (executionstate_t *es, void *ucontext)
	Read the given context into an executionstate. More...
void	md_executionstate_write (executionstate_t *es, void *ucontext)
	Write the given executionstate back to the context. More...

Macro Definition Documentation

#define SIZE_OF_STACKSLOT   8

Definition at line 40 of file executionstate.hpp.

#define STACK_SLOTS_PER_FLOAT   1

Definition at line 41 of file executionstate.hpp.

Typedef Documentation

typedef uint64_t stackslot_t

Definition at line 42 of file executionstate.hpp.

Function Documentation

void executionstate_pop_stackframe

(

executionstate_t *

es

)

Restore callee-saved registers (including the RA register), set the stack pointer to the next stackframe, set the PC to the return address of the popped frame.

*** This function imitates the effects of the method epilog *** *** and returning from the method call. ***

Parameters

es	Execution state to be modified. NOTE: es->code and es->pv are NOT updated.

Definition at line 52 of file executionstate.cpp.

void executionstate_println

(

executionstate_t *

es

)

Definition at line 306 of file executionstate.cpp.

void executionstate_sanity_check

(

void *

context

)

Definition at line 219 of file executionstate.cpp.

void executionstate_unwind_exception	(	executionstate_t *	es,
		java_handle_t *	e
	)

Performs stack unwinding in case of an exception.

This is done by popping frames off the given execution state until a frame is reached for which there is a handler. Execution will continue at the handler site once the execution state is written back to the machine.

Parameters

es	Execution state to be modified.
e	The thrown exception object.

This is specified in: The Java(TM) Virtual Machine Specification, Second Edition Section 3.6.5: Abrupt Method Invocation Completion

Definition at line 175 of file executionstate.cpp.

void md_executionstate_read	(	executionstate_t *	es,
		void *	context
	)

Read the given context into an executionstate.

Parameters

es	execution state
context	machine context

Definition at line 107 of file md-os.cpp.

void md_executionstate_write	(	executionstate_t *	es,
		void *	context
	)

Write the given executionstate back to the context.

Parameters

es	execution state
context	machine context

Definition at line 148 of file md-os.cpp.