• file
• revisions
• annotate
• diff
• comparison
• raw

src/cpu/x86/vm/bytecodeInterpreter_x86.hpp@448691f285a5 (annotated)

src/cpu/x86/vm/bytecodeInterpreter_x86.hpp

Thu, 03 Nov 2011 04:12:49 -0700

author

twisti

date

Thu, 03 Nov 2011 04:12:49 -0700

changeset 3252

448691f285a5

parent 2314

f95d63e2154a

child 6483

018b357638aa

permissions

-rw-r--r--

7106944: assert(_pc == *pc_addr) failed may be too strong
Reviewed-by: kvn, never

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef CPU_X86_VM_BYTECODEINTERPRETER_X86_HPP
stefank@2314	26	#define CPU_X86_VM_BYTECODEINTERPRETER_X86_HPP
stefank@2314	27
duke@435	28	// Platform specific for C++ based Interpreter
duke@435	29
duke@435	30	private:
duke@435	31
duke@435	32	interpreterState _self_link; /* Previous interpreter state */ /* sometimes points to self??? */
duke@435	33	address _result_handler; /* temp for saving native result handler */
duke@435	34	intptr_t* _sender_sp; /* sender's sp before stack (locals) extension */
duke@435	35
duke@435	36	address _extra_junk1; /* temp to save on recompiles */
duke@435	37	address _extra_junk2; /* temp to save on recompiles */
duke@435	38	address _extra_junk3; /* temp to save on recompiles */
duke@435	39	// address dummy_for_native2; /* a native frame result handler would be here... */
duke@435	40	// address dummy_for_native1; /* native result type stored here in a interpreter native frame */
duke@435	41	address _extra_junk4; /* temp to save on recompiles */
duke@435	42	address _extra_junk5; /* temp to save on recompiles */
duke@435	43	address _extra_junk6; /* temp to save on recompiles */
duke@435	44	public:
duke@435	45	// we have an interpreter frame...
duke@435	46	inline intptr_t* sender_sp() {
duke@435	47	return _sender_sp;
duke@435	48	}
duke@435	49
duke@435	50	// The interpreter always has the frame anchor fully setup so we don't
duke@435	51	// have to do anything going to vm from the interpreter. On return
duke@435	52	// we do have to clear the flags in case they we're modified to
duke@435	53	// maintain the stack walking invariants.
duke@435	54	//
duke@435	55	#define SET_LAST_JAVA_FRAME()
duke@435	56
duke@435	57	#define RESET_LAST_JAVA_FRAME()
duke@435	58
duke@435	59	/*
duke@435	60	* Macros for accessing the stack.
duke@435	61	*/
duke@435	62	#undef STACK_INT
duke@435	63	#undef STACK_FLOAT
duke@435	64	#undef STACK_ADDR
duke@435	65	#undef STACK_OBJECT
duke@435	66	#undef STACK_DOUBLE
duke@435	67	#undef STACK_LONG
duke@435	68
duke@435	69	// JavaStack Implementation
duke@435	70
duke@435	71	#define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
duke@435	72	#define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
duke@435	73	#define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
duke@435	74	#define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
duke@435	75	#define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
duke@435	76	#define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
duke@435	77	#define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
duke@435	78	#define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
duke@435	79
duke@435	80	#define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
duke@435	81	#define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
duke@435	82	#define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
duke@435	83	#define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
duke@435	84	#define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
duke@435	85	#define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
duke@435	86	#define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
duke@435	87	((VMJavaVal64*)(addr))->d)
duke@435	88	#define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
duke@435	89	#define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
duke@435	90	((VMJavaVal64*)(addr))->l)
duke@435	91	// JavaLocals implementation
duke@435	92
duke@435	93	#define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
duke@435	94	#define LOCALS_ADDR(offset) ((address)locals[-(offset)])
duke@435	95	#define LOCALS_INT(offset) ((jint)(locals[-(offset)]))
duke@435	96	#define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
duke@435	97	#define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
duke@435	98	#define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
duke@435	99	#define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
duke@435	100	#define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
duke@435	101	#define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
duke@435	102
duke@435	103	#define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
duke@435	104	#define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
duke@435	105	#define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
duke@435	106	#define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
duke@435	107	#define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
duke@435	108	#define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
duke@435	109	#define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
duke@435	110	#define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
duke@435	111	((VMJavaVal64*)(addr))->d)
duke@435	112	#define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
duke@435	113	((VMJavaVal64*)(addr))->l)
stefank@2314	114
stefank@2314	115	#endif // CPU_X86_VM_BYTECODEINTERPRETER_X86_HPP