Mercurial > hg > graal-compiler
comparison src/share/vm/asm/assembler.inline.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. | |
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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 inline void AbstractAssembler::sync() { | |
26 CodeSection* cs = code_section(); | |
27 guarantee(cs->start() == _code_begin, "must not shift code buffer"); | |
28 cs->set_end(_code_pos); | |
29 } | |
30 | |
31 inline void AbstractAssembler::emit_byte(int x) { | |
32 assert(isByte(x), "not a byte"); | |
33 *(unsigned char*)_code_pos = (unsigned char)x; | |
34 _code_pos += sizeof(unsigned char); | |
35 sync(); | |
36 } | |
37 | |
38 | |
39 inline void AbstractAssembler::emit_word(int x) { | |
40 *(short*)_code_pos = (short)x; | |
41 _code_pos += sizeof(short); | |
42 sync(); | |
43 } | |
44 | |
45 | |
46 inline void AbstractAssembler::emit_long(jint x) { | |
47 *(jint*)_code_pos = x; | |
48 _code_pos += sizeof(jint); | |
49 sync(); | |
50 } | |
51 | |
52 inline void AbstractAssembler::emit_address(address x) { | |
53 *(address*)_code_pos = x; | |
54 _code_pos += sizeof(address); | |
55 sync(); | |
56 } | |
57 | |
58 inline address AbstractAssembler::inst_mark() const { | |
59 return code_section()->mark(); | |
60 } | |
61 | |
62 | |
63 inline void AbstractAssembler::set_inst_mark() { | |
64 code_section()->set_mark(); | |
65 } | |
66 | |
67 | |
68 inline void AbstractAssembler::clear_inst_mark() { | |
69 code_section()->clear_mark(); | |
70 } | |
71 | |
72 | |
73 inline void AbstractAssembler::relocate(RelocationHolder const& rspec, int format) { | |
74 assert(!pd_check_instruction_mark() | |
75 || inst_mark() == NULL || inst_mark() == _code_pos, | |
76 "call relocate() between instructions"); | |
77 code_section()->relocate(_code_pos, rspec, format); | |
78 } | |
79 | |
80 | |
81 inline CodeBuffer* AbstractAssembler::code() const { | |
82 return code_section()->outer(); | |
83 } | |
84 | |
85 inline int AbstractAssembler::sect() const { | |
86 return code_section()->index(); | |
87 } | |
88 | |
89 inline int AbstractAssembler::locator() const { | |
90 return CodeBuffer::locator(offset(), sect()); | |
91 } | |
92 | |
93 inline address AbstractAssembler::target(Label& L) { | |
94 return code_section()->target(L, pc()); | |
95 } | |
96 | |
97 inline int Label::loc_pos() const { | |
98 return CodeBuffer::locator_pos(loc()); | |
99 } | |
100 | |
101 inline int Label::loc_sect() const { | |
102 return CodeBuffer::locator_sect(loc()); | |
103 } | |
104 | |
105 inline void Label::bind_loc(int pos, int sect) { | |
106 bind_loc(CodeBuffer::locator(pos, sect)); | |
107 } | |
108 | |
109 address AbstractAssembler::address_constant(Label& L) { | |
110 address c = NULL; | |
111 address ptr = start_a_const(sizeof(c), sizeof(c)); | |
112 if (ptr != NULL) { | |
113 relocate(Relocation::spec_simple(relocInfo::internal_word_type)); | |
114 *(address*)ptr = c = code_section()->target(L, ptr); | |
115 _code_pos = ptr + sizeof(c); | |
116 end_a_const(); | |
117 } | |
118 return ptr; | |
119 } | |
120 | |
121 address AbstractAssembler::address_table_constant(GrowableArray<Label*> labels) { | |
122 int addressSize = sizeof(address); | |
123 int sizeLabel = addressSize * labels.length(); | |
124 address ptr = start_a_const(sizeLabel, addressSize); | |
125 | |
126 if (ptr != NULL) { | |
127 address *labelLoc = (address*)ptr; | |
128 for (int i=0; i < labels.length(); i++) { | |
129 emit_address(code_section()->target(*labels.at(i), (address)&labelLoc[i])); | |
130 code_section()->relocate((address)&labelLoc[i], relocInfo::internal_word_type); | |
131 } | |
132 end_a_const(); | |
133 } | |
134 return ptr; | |
135 } |