Mercurial > hg > truffle
annotate src/share/vm/asm/assembler.inline.hpp @ 2008:2f644f85485d
6961690: load oops from constant table on SPARC
Summary: oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.
Reviewed-by: never, kvn
| author | twisti |
|---|---|
| date | Fri, 03 Dec 2010 01:34:31 -0800 |
| parents | f95d63e2154a |
| children | 6ab62ad83507 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_ASM_ASSEMBLER_INLINE_HPP |
| 26 #define SHARE_VM_ASM_ASSEMBLER_INLINE_HPP | |
| 27 | |
| 28 #include "asm/assembler.hpp" | |
| 29 #include "asm/codeBuffer.hpp" | |
| 30 #include "compiler/disassembler.hpp" | |
| 31 #include "runtime/threadLocalStorage.hpp" | |
| 32 | |
| 0 | 33 inline void AbstractAssembler::sync() { |
| 34 CodeSection* cs = code_section(); | |
| 35 guarantee(cs->start() == _code_begin, "must not shift code buffer"); | |
| 36 cs->set_end(_code_pos); | |
| 37 } | |
| 38 | |
| 39 inline void AbstractAssembler::emit_byte(int x) { | |
| 40 assert(isByte(x), "not a byte"); | |
| 41 *(unsigned char*)_code_pos = (unsigned char)x; | |
| 42 _code_pos += sizeof(unsigned char); | |
| 43 sync(); | |
| 44 } | |
| 45 | |
| 46 | |
| 47 inline void AbstractAssembler::emit_word(int x) { | |
| 48 *(short*)_code_pos = (short)x; | |
| 49 _code_pos += sizeof(short); | |
| 50 sync(); | |
| 51 } | |
| 52 | |
| 53 | |
| 54 inline void AbstractAssembler::emit_long(jint x) { | |
| 55 *(jint*)_code_pos = x; | |
| 56 _code_pos += sizeof(jint); | |
| 57 sync(); | |
| 58 } | |
| 59 | |
| 60 inline void AbstractAssembler::emit_address(address x) { | |
| 61 *(address*)_code_pos = x; | |
| 62 _code_pos += sizeof(address); | |
| 63 sync(); | |
| 64 } | |
| 65 | |
| 66 inline address AbstractAssembler::inst_mark() const { | |
| 67 return code_section()->mark(); | |
| 68 } | |
| 69 | |
| 70 | |
| 71 inline void AbstractAssembler::set_inst_mark() { | |
| 72 code_section()->set_mark(); | |
| 73 } | |
| 74 | |
| 75 | |
| 76 inline void AbstractAssembler::clear_inst_mark() { | |
| 77 code_section()->clear_mark(); | |
| 78 } | |
| 79 | |
| 80 | |
| 81 inline void AbstractAssembler::relocate(RelocationHolder const& rspec, int format) { | |
| 82 assert(!pd_check_instruction_mark() | |
| 83 || inst_mark() == NULL || inst_mark() == _code_pos, | |
| 84 "call relocate() between instructions"); | |
| 85 code_section()->relocate(_code_pos, rspec, format); | |
| 86 } | |
| 87 | |
| 88 | |
| 89 inline CodeBuffer* AbstractAssembler::code() const { | |
| 90 return code_section()->outer(); | |
| 91 } | |
| 92 | |
| 93 inline int AbstractAssembler::sect() const { | |
| 94 return code_section()->index(); | |
| 95 } | |
| 96 | |
| 97 inline int AbstractAssembler::locator() const { | |
| 98 return CodeBuffer::locator(offset(), sect()); | |
| 99 } | |
| 100 | |
| 101 inline address AbstractAssembler::target(Label& L) { | |
| 102 return code_section()->target(L, pc()); | |
| 103 } | |
| 104 | |
| 105 inline int Label::loc_pos() const { | |
| 106 return CodeBuffer::locator_pos(loc()); | |
| 107 } | |
| 108 | |
| 109 inline int Label::loc_sect() const { | |
| 110 return CodeBuffer::locator_sect(loc()); | |
| 111 } | |
| 112 | |
| 113 inline void Label::bind_loc(int pos, int sect) { | |
| 114 bind_loc(CodeBuffer::locator(pos, sect)); | |
| 115 } | |
| 116 | |
| 1972 | 117 #endif // SHARE_VM_ASM_ASSEMBLER_INLINE_HPP |