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comparison src/cpu/x86/vm/graalCodeInstaller_x86.cpp @ 15123:7ccd2a1df0fa

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made SPARC compile again; moved graalCodeInstaller_<arch>.hpp to .cpp files
author twisti
date Tue, 15 Apr 2014 12:01:51 -1000
parents src/cpu/x86/vm/graalCodeInstaller_x86.hpp@6bab029d6e3a
children 370cb412d027
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15122:11a591a99515 15123:7ccd2a1df0fa
1 /*
2 * Copyright (c) 2013, 2014, 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
24 #include "compiler/disassembler.hpp"
25 #include "runtime/javaCalls.hpp"
26 #include "graal/graalEnv.hpp"
27 #include "graal/graalCompiler.hpp"
28 #include "graal/graalCodeInstaller.hpp"
29 #include "graal/graalJavaAccess.hpp"
30 #include "graal/graalCompilerToVM.hpp"
31 #include "graal/graalRuntime.hpp"
32 #include "asm/register.hpp"
33 #include "classfile/vmSymbols.hpp"
34 #include "code/vmreg.hpp"
35
36 jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) {
37 if (inst->is_call() || inst->is_jump()) {
38 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size");
39 return (pc_offset + NativeCall::instruction_size);
40 } else if (inst->is_mov_literal64()) {
41 // mov+call instruction pair
42 jint offset = pc_offset + NativeMovConstReg::instruction_size;
43 u_char* call = (u_char*) (_instructions->start() + offset);
44 assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte");
45 offset += 3; /* prefix byte + opcode byte + modrm byte */
46 return (offset);
47 } else if (inst->is_call_reg()) {
48 // the inlined vtable stub contains a "call register" instruction
49 assert(method != NULL, "only valid for virtual calls");
50 return (pc_offset + ((NativeCallReg *) inst)->next_instruction_offset());
51 } else if (inst->is_cond_jump()) {
52 address pc = (address) (inst);
53 return pc_offset + (jint) (Assembler::locate_next_instruction(pc) - pc);
54 } else {
55 fatal("unsupported type of instruction for call site");
56 return 0;
57 }
58 }
59
60 void CodeInstaller::pd_patch_OopData(int pc_offset, oop data) {
61 address pc = _instructions->start() + pc_offset;
62 Handle obj = OopData::object(data);
63 jobject value = JNIHandles::make_local(obj());
64 if (OopData::compressed(data)) {
65 address operand = Assembler::locate_operand(pc, Assembler::narrow_oop_operand);
66 int oop_index = _oop_recorder->find_index(value);
67 _instructions->relocate(pc, oop_Relocation::spec(oop_index), Assembler::narrow_oop_operand);
68 TRACE_graal_3("relocating (narrow oop constant) at %p/%p", pc, operand);
69 } else {
70 address operand = Assembler::locate_operand(pc, Assembler::imm_operand);
71 *((jobject*) operand) = value;
72 _instructions->relocate(pc, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
73 TRACE_graal_3("relocating (oop constant) at %p/%p", pc, operand);
74 }
75 }
76
77 void CodeInstaller::pd_patch_DataSectionReference(int pc_offset, oop data) {
78 address pc = _instructions->start() + pc_offset;
79 jint offset = DataSectionReference::offset(data);
80
81 address operand = Assembler::locate_operand(pc, Assembler::disp32_operand);
82 address next_instruction = Assembler::locate_next_instruction(pc);
83 address dest = _constants->start() + offset;
84
85 long disp = dest - next_instruction;
86 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
87 *((jint*) operand) = (jint) disp;
88
89 _instructions->relocate(pc, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand);
90 TRACE_graal_3("relocating at %p/%p with destination at %p (%d)", pc, operand, dest, offset);
91 }
92
93 void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) {
94 if (cb->is_nmethod()) {
95 nmethod* nm = (nmethod*) cb;
96 nativeJump_at((address)inst)->set_jump_destination(nm->verified_entry_point());
97 } else {
98 nativeJump_at((address)inst)->set_jump_destination(cb->code_begin());
99 }
100 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand);
101 }
102
103 void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) {
104 address pc = (address) inst;
105 if (inst->is_call()) {
106 // NOTE: for call without a mov, the offset must fit a 32-bit immediate
107 // see also CompilerToVM.getMaxCallTargetOffset()
108 NativeCall* call = nativeCall_at(pc);
109 call->set_destination((address) foreign_call_destination);
110 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand);
111 } else if (inst->is_mov_literal64()) {
112 NativeMovConstReg* mov = nativeMovConstReg_at(pc);
113 mov->set_data((intptr_t) foreign_call_destination);
114 _instructions->relocate(mov->instruction_address(), runtime_call_Relocation::spec(), Assembler::imm_operand);
115 } else if (inst->is_jump()) {
116 NativeJump* jump = nativeJump_at(pc);
117 jump->set_jump_destination((address) foreign_call_destination);
118 _instructions->relocate(jump->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand);
119 } else if (inst->is_cond_jump()) {
120 address old_dest = nativeGeneralJump_at(pc)->jump_destination();
121 address disp = Assembler::locate_operand(pc, Assembler::call32_operand);
122 *(jint*) disp += ((address) foreign_call_destination) - old_dest;
123 _instructions->relocate(pc, runtime_call_Relocation::spec(), Assembler::call32_operand);
124 } else {
125 fatal("unsupported relocation for foreign call");
126 }
127
128 TRACE_graal_3("relocating (foreign call) at %p", inst);
129 }
130
131 void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) {
132 #ifdef ASSERT
133 Method* method = NULL;
134 // we need to check, this might also be an unresolved method
135 if (hotspot_method->is_a(HotSpotResolvedJavaMethod::klass())) {
136 method = getMethodFromHotSpotMethod(hotspot_method);
137 }
138 #endif
139 switch (_next_call_type) {
140 case INLINE_INVOKE:
141 break;
142 case INVOKEVIRTUAL:
143 case INVOKEINTERFACE: {
144 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface");
145
146 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
147 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub());
148 _instructions->relocate(call->instruction_address(),
149 virtual_call_Relocation::spec(_invoke_mark_pc),
150 Assembler::call32_operand);
151 break;
152 }
153 case INVOKESTATIC: {
154 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic");
155
156 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
157 call->set_destination(SharedRuntime::get_resolve_static_call_stub());
158 _instructions->relocate(call->instruction_address(),
159 relocInfo::static_call_type, Assembler::call32_operand);
160 break;
161 }
162 case INVOKESPECIAL: {
163 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial");
164 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
165 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub());
166 _instructions->relocate(call->instruction_address(),
167 relocInfo::opt_virtual_call_type, Assembler::call32_operand);
168 break;
169 }
170 default:
171 break;
172 }
173 }
174
175 static void relocate_poll_near(address pc) {
176 NativeInstruction* ni = nativeInstruction_at(pc);
177 int32_t* disp = (int32_t*) Assembler::locate_operand(pc, Assembler::disp32_operand);
178 int32_t offset = *disp; // The Java code installed the polling page offset into the disp32 operand
179 intptr_t new_disp = (intptr_t) (os::get_polling_page() + offset) - (intptr_t) ni;
180 *disp = (int32_t)new_disp;
181 }
182
183
184 void CodeInstaller::pd_relocate_poll(address pc, jint mark) {
185 switch (mark) {
186 case POLL_NEAR: {
187 relocate_poll_near(pc);
188 _instructions->relocate(pc, relocInfo::poll_type, Assembler::disp32_operand);
189 break;
190 }
191 case POLL_FAR:
192 // This is a load from a register so there is no relocatable operand.
193 // We just have to ensure that the format is not disp32_operand
194 // so that poll_Relocation::fix_relocation_after_move does the right
195 // thing (i.e. ignores this relocation record)
196 _instructions->relocate(pc, relocInfo::poll_type, Assembler::imm_operand);
197 break;
198 case POLL_RETURN_NEAR: {
199 relocate_poll_near(pc);
200 _instructions->relocate(pc, relocInfo::poll_return_type, Assembler::disp32_operand);
201 break;
202 }
203 case POLL_RETURN_FAR:
204 // see comment above for POLL_FAR
205 _instructions->relocate(pc, relocInfo::poll_return_type, Assembler::imm_operand);
206 break;
207 default:
208 fatal("invalid mark value");
209 break;
210 }
211 }