Mercurial > hg > truffle
comparison src/cpu/x86/vm/graalCodeInstaller_x86.hpp @ 10411:67fa9b3e10ed
renamed codeInstaller_<cpu>.hpp to graalCodeInstaller_<cpu>.hpp
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 19 Jun 2013 15:46:28 +0200 |
parents | src/cpu/x86/vm/codeInstaller_x86.hpp@60648c97cdd0 |
children | d71c56c67921 |
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10410:9062da84cd75 | 10411:67fa9b3e10ed |
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1 /* | |
2 * Copyright (c) 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 #ifndef CPU_SPARC_VM_CODEINSTALLER_X86_HPP | |
24 #define CPU_SPARC_VM_CODEINSTALLER_X86_HPP | |
25 | |
26 #include "compiler/disassembler.hpp" | |
27 #include "runtime/javaCalls.hpp" | |
28 #include "graal/graalEnv.hpp" | |
29 #include "graal/graalCompiler.hpp" | |
30 #include "graal/graalCodeInstaller.hpp" | |
31 #include "graal/graalJavaAccess.hpp" | |
32 #include "graal/graalCompilerToVM.hpp" | |
33 #include "graal/graalRuntime.hpp" | |
34 #include "asm/register.hpp" | |
35 #include "classfile/vmSymbols.hpp" | |
36 #include "code/vmreg.hpp" | |
37 | |
38 inline jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) { | |
39 if (inst->is_call() || inst->is_jump()) { | |
40 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size"); | |
41 return (pc_offset + NativeCall::instruction_size); | |
42 } else if (inst->is_mov_literal64()) { | |
43 // mov+call instruction pair | |
44 jint offset = pc_offset + NativeMovConstReg::instruction_size; | |
45 u_char* call = (u_char*) (_instructions->start() + offset); | |
46 assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte"); | |
47 offset += 3; /* prefix byte + opcode byte + modrm byte */ | |
48 return (offset); | |
49 } else if (inst->is_call_reg()) { | |
50 // the inlined vtable stub contains a "call register" instruction | |
51 assert(method != NULL, "only valid for virtual calls"); | |
52 return (pc_offset + ((NativeCallReg *) inst)->next_instruction_offset()); | |
53 } else { | |
54 fatal("unsupported type of instruction for call site"); | |
55 return 0; | |
56 } | |
57 } | |
58 | |
59 inline void CodeInstaller::pd_site_DataPatch(oop constant, oop kind, bool inlined, | |
60 address instruction, int alignment, char typeChar) { | |
61 switch (typeChar) { | |
62 case 'z': | |
63 case 'b': | |
64 case 's': | |
65 case 'c': | |
66 case 'i': | |
67 fatal("int-sized values not expected in DataPatch"); | |
68 break; | |
69 case 'f': | |
70 case 'j': | |
71 case 'd': { | |
72 if (inlined) { | |
73 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand); | |
74 *((jlong*) operand) = Constant::primitive(constant); | |
75 } else { | |
76 address operand = Assembler::locate_operand(instruction, Assembler::disp32_operand); | |
77 address next_instruction = Assembler::locate_next_instruction(instruction); | |
78 int size = _constants->size(); | |
79 if (alignment > 0) { | |
80 guarantee(alignment <= _constants->alignment(), "Alignment inside constants section is restricted by alignment of section begin"); | |
81 size = align_size_up(size, alignment); | |
82 } | |
83 // we don't care if this is a long/double/etc., the primitive field contains the right bits | |
84 address dest = _constants->start() + size; | |
85 _constants->set_end(dest + BytesPerLong); | |
86 *(jlong*) dest = Constant::primitive(constant); | |
87 | |
88 long disp = dest - next_instruction; | |
89 assert(disp == (jint) disp, "disp doesn't fit in 32 bits"); | |
90 *((jint*) operand) = (jint) disp; | |
91 | |
92 _instructions->relocate(instruction, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand); | |
93 TRACE_graal_3("relocating (%c) at %p/%p with destination at %p (%d)", typeChar, instruction, operand, dest, size); | |
94 } | |
95 break; | |
96 } | |
97 case 'a': { | |
98 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand); | |
99 Handle obj = Constant::object(constant); | |
100 | |
101 jobject value = JNIHandles::make_local(obj()); | |
102 *((jobject*) operand) = value; | |
103 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); | |
104 TRACE_graal_3("relocating (oop constant) at %p/%p", instruction, operand); | |
105 break; | |
106 } | |
107 default: | |
108 fatal(err_msg("unexpected Kind (%d) in DataPatch", typeChar)); | |
109 break; | |
110 } | |
111 } | |
112 | |
113 inline void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) { | |
114 if (cb->is_nmethod()) { | |
115 nmethod* nm = (nmethod*) cb; | |
116 nativeJump_at((address)inst)->set_jump_destination(nm->verified_entry_point()); | |
117 } else { | |
118 nativeJump_at((address)inst)->set_jump_destination(cb->code_begin()); | |
119 } | |
120 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); | |
121 } | |
122 | |
123 inline void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) { | |
124 if (inst->is_call()) { | |
125 // NOTE: for call without a mov, the offset must fit a 32-bit immediate | |
126 // see also CompilerToVM.getMaxCallTargetOffset() | |
127 NativeCall* call = nativeCall_at((address) (inst)); | |
128 call->set_destination((address) foreign_call_destination); | |
129 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); | |
130 } else if (inst->is_mov_literal64()) { | |
131 NativeMovConstReg* mov = nativeMovConstReg_at((address) (inst)); | |
132 mov->set_data((intptr_t) foreign_call_destination); | |
133 _instructions->relocate(mov->instruction_address(), runtime_call_Relocation::spec(), Assembler::imm_operand); | |
134 } else { | |
135 NativeJump* jump = nativeJump_at((address) (inst)); | |
136 jump->set_jump_destination((address) foreign_call_destination); | |
137 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); | |
138 } | |
139 TRACE_graal_3("relocating (foreign call) at %p", inst); | |
140 } | |
141 | |
142 inline void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) { | |
143 #ifdef ASSERT | |
144 Method* method = NULL; | |
145 // we need to check, this might also be an unresolved method | |
146 if (hotspot_method->is_a(HotSpotResolvedJavaMethod::klass())) { | |
147 method = getMethodFromHotSpotMethod(hotspot_method); | |
148 } | |
149 #endif | |
150 switch (_next_call_type) { | |
151 case MARK_INLINE_INVOKE: | |
152 break; | |
153 case MARK_INVOKEVIRTUAL: | |
154 case MARK_INVOKEINTERFACE: { | |
155 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface"); | |
156 | |
157 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); | |
158 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub()); | |
159 _instructions->relocate(call->instruction_address(), | |
160 virtual_call_Relocation::spec(_invoke_mark_pc), | |
161 Assembler::call32_operand); | |
162 break; | |
163 } | |
164 case MARK_INVOKESTATIC: { | |
165 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic"); | |
166 | |
167 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); | |
168 call->set_destination(SharedRuntime::get_resolve_static_call_stub()); | |
169 _instructions->relocate(call->instruction_address(), | |
170 relocInfo::static_call_type, Assembler::call32_operand); | |
171 break; | |
172 } | |
173 case MARK_INVOKESPECIAL: { | |
174 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial"); | |
175 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); | |
176 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub()); | |
177 _instructions->relocate(call->instruction_address(), | |
178 relocInfo::opt_virtual_call_type, Assembler::call32_operand); | |
179 break; | |
180 } | |
181 default: | |
182 fatal("invalid _next_call_type value"); | |
183 break; | |
184 } | |
185 } | |
186 | |
187 inline int32_t* CodeInstaller::pd_locate_operand(address instruction) { | |
188 return (int32_t*) Assembler::locate_operand(instruction, Assembler::disp32_operand); | |
189 } | |
190 | |
191 #endif // CPU_SPARC_VM_CODEINSTALLER_X86_HPP | |
192 |