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src/share/vm/asm/assembler.inline.hpp@1d7922586cf6 (annotated)

src/share/vm/asm/assembler.inline.hpp

Tue, 24 Jul 2012 10:51:00 -0700

author

twisti

date

Tue, 24 Jul 2012 10:51:00 -0700

changeset 3969

1d7922586cf6

parent 2350

2f644f85485d

child 4317

6ab62ad83507

permissions

-rw-r--r--

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1997, 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 SHARE_VM_ASM_ASSEMBLER_INLINE_HPP
stefank@2314	26	#define SHARE_VM_ASM_ASSEMBLER_INLINE_HPP
stefank@2314	27
stefank@2314	28	#include "asm/assembler.hpp"
stefank@2314	29	#include "asm/codeBuffer.hpp"
stefank@2314	30	#include "compiler/disassembler.hpp"
stefank@2314	31	#include "runtime/threadLocalStorage.hpp"
stefank@2314	32
duke@435	33	inline void AbstractAssembler::sync() {
duke@435	34	CodeSection* cs = code_section();
duke@435	35	guarantee(cs->start() == _code_begin, "must not shift code buffer");
duke@435	36	cs->set_end(_code_pos);
duke@435	37	}
duke@435	38
duke@435	39	inline void AbstractAssembler::emit_byte(int x) {
duke@435	40	assert(isByte(x), "not a byte");
duke@435	41	*(unsigned char*)_code_pos = (unsigned char)x;
duke@435	42	_code_pos += sizeof(unsigned char);
duke@435	43	sync();
duke@435	44	}
duke@435	45
duke@435	46
duke@435	47	inline void AbstractAssembler::emit_word(int x) {
duke@435	48	*(short*)_code_pos = (short)x;
duke@435	49	_code_pos += sizeof(short);
duke@435	50	sync();
duke@435	51	}
duke@435	52
duke@435	53
duke@435	54	inline void AbstractAssembler::emit_long(jint x) {
duke@435	55	*(jint*)_code_pos = x;
duke@435	56	_code_pos += sizeof(jint);
duke@435	57	sync();
duke@435	58	}
duke@435	59
duke@435	60	inline void AbstractAssembler::emit_address(address x) {
duke@435	61	*(address*)_code_pos = x;
duke@435	62	_code_pos += sizeof(address);
duke@435	63	sync();
duke@435	64	}
duke@435	65
duke@435	66	inline address AbstractAssembler::inst_mark() const {
duke@435	67	return code_section()->mark();
duke@435	68	}
duke@435	69
duke@435	70
duke@435	71	inline void AbstractAssembler::set_inst_mark() {
duke@435	72	code_section()->set_mark();
duke@435	73	}
duke@435	74
duke@435	75
duke@435	76	inline void AbstractAssembler::clear_inst_mark() {
duke@435	77	code_section()->clear_mark();
duke@435	78	}
duke@435	79
duke@435	80
duke@435	81	inline void AbstractAssembler::relocate(RelocationHolder const& rspec, int format) {
duke@435	82	assert(!pd_check_instruction_mark()
duke@435	83	|| inst_mark() == NULL || inst_mark() == _code_pos,
duke@435	84	"call relocate() between instructions");
duke@435	85	code_section()->relocate(_code_pos, rspec, format);
duke@435	86	}
duke@435	87
duke@435	88
duke@435	89	inline CodeBuffer* AbstractAssembler::code() const {
duke@435	90	return code_section()->outer();
duke@435	91	}
duke@435	92
duke@435	93	inline int AbstractAssembler::sect() const {
duke@435	94	return code_section()->index();
duke@435	95	}
duke@435	96
duke@435	97	inline int AbstractAssembler::locator() const {
duke@435	98	return CodeBuffer::locator(offset(), sect());
duke@435	99	}
duke@435	100
duke@435	101	inline address AbstractAssembler::target(Label& L) {
duke@435	102	return code_section()->target(L, pc());
duke@435	103	}
duke@435	104
duke@435	105	inline int Label::loc_pos() const {
duke@435	106	return CodeBuffer::locator_pos(loc());
duke@435	107	}
duke@435	108
duke@435	109	inline int Label::loc_sect() const {
duke@435	110	return CodeBuffer::locator_sect(loc());
duke@435	111	}
duke@435	112
duke@435	113	inline void Label::bind_loc(int pos, int sect) {
duke@435	114	bind_loc(CodeBuffer::locator(pos, sect));
duke@435	115	}
duke@435	116
stefank@2314	117	#endif // SHARE_VM_ASM_ASSEMBLER_INLINE_HPP