Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/assembler_x86.inline.hpp @ 1580:f56e28f22410
6958458: Bump the HS19 build number to 03
Summary: Update the HS19 build number to 03
Reviewed-by: jcoomes
author | trims |
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date | Thu, 03 Jun 2010 18:18:56 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2008, 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 | |
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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. | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 inline void MacroAssembler::pd_patch_instruction(address branch, address target) { | |
26 unsigned char op = branch[0]; | |
27 assert(op == 0xE8 /* call */ || | |
28 op == 0xE9 /* jmp */ || | |
29 op == 0xEB /* short jmp */ || | |
30 (op & 0xF0) == 0x70 /* short jcc */ || | |
31 op == 0x0F && (branch[1] & 0xF0) == 0x80 /* jcc */, | |
32 "Invalid opcode at patch point"); | |
33 | |
34 if (op == 0xEB || (op & 0xF0) == 0x70) { | |
35 // short offset operators (jmp and jcc) | |
36 char* disp = (char*) &branch[1]; | |
37 int imm8 = target - (address) &disp[1]; | |
38 guarantee(this->is8bit(imm8), "Short forward jump exceeds 8-bit offset"); | |
39 *disp = imm8; | |
40 } else { | |
41 int* disp = (int*) &branch[(op == 0x0F)? 2: 1]; | |
42 int imm32 = target - (address) &disp[1]; | |
43 *disp = imm32; | |
44 } | |
45 } | |
46 | |
47 #ifndef PRODUCT | |
48 inline void MacroAssembler::pd_print_patched_instruction(address branch) { | |
49 const char* s; | |
50 unsigned char op = branch[0]; | |
51 if (op == 0xE8) { | |
52 s = "call"; | |
53 } else if (op == 0xE9 || op == 0xEB) { | |
54 s = "jmp"; | |
55 } else if ((op & 0xF0) == 0x70) { | |
56 s = "jcc"; | |
57 } else if (op == 0x0F) { | |
58 s = "jcc"; | |
59 } else { | |
60 s = "????"; | |
61 } | |
62 tty->print("%s (unresolved)", s); | |
63 } | |
64 #endif // ndef PRODUCT | |
304 | 65 |
66 #ifndef _LP64 | |
67 inline int Assembler::prefix_and_encode(int reg_enc, bool byteinst) { return reg_enc; } | |
68 inline int Assembler::prefixq_and_encode(int reg_enc) { return reg_enc; } | |
69 | |
70 inline int Assembler::prefix_and_encode(int dst_enc, int src_enc, bool byteinst) { return dst_enc << 3 | src_enc; } | |
71 inline int Assembler::prefixq_and_encode(int dst_enc, int src_enc) { return dst_enc << 3 | src_enc; } | |
72 | |
73 inline void Assembler::prefix(Register reg) {} | |
74 inline void Assembler::prefix(Address adr) {} | |
75 inline void Assembler::prefixq(Address adr) {} | |
76 | |
77 inline void Assembler::prefix(Address adr, Register reg, bool byteinst) {} | |
78 inline void Assembler::prefixq(Address adr, Register reg) {} | |
79 | |
80 inline void Assembler::prefix(Address adr, XMMRegister reg) {} | |
81 #else | |
82 inline void Assembler::emit_long64(jlong x) { | |
83 *(jlong*) _code_pos = x; | |
84 _code_pos += sizeof(jlong); | |
85 code_section()->set_end(_code_pos); | |
86 } | |
87 #endif // _LP64 |