Mercurial > hg > truffle
annotate src/cpu/sparc/vm/relocInfo_sparc.cpp @ 304:dc7f315e41f7
5108146: Merge i486 and amd64 cpu directories
6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn
| author | never |
|---|---|
| date | Wed, 27 Aug 2008 00:21:55 -0700 |
| parents | d1605aabd0a1 |
| children | 6b2273dd6fa9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 1998-2008 Sun Microsystems, Inc. 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 * | |
| 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 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_relocInfo_sparc.cpp.incl" | |
| 27 | |
| 28 void Relocation::pd_set_data_value(address x, intptr_t o) { | |
| 29 NativeInstruction* ip = nativeInstruction_at(addr()); | |
| 30 jint inst = ip->long_at(0); | |
| 31 assert(inst != NativeInstruction::illegal_instruction(), "no breakpoint"); | |
| 32 switch (Assembler::inv_op(inst)) { | |
| 33 | |
| 34 case Assembler::ldst_op: | |
| 35 #ifdef ASSERT | |
| 36 switch (Assembler::inv_op3(inst)) { | |
| 37 case Assembler::lduw_op3: | |
| 38 case Assembler::ldub_op3: | |
| 39 case Assembler::lduh_op3: | |
| 40 case Assembler::ldd_op3: | |
| 41 case Assembler::ldsw_op3: | |
| 42 case Assembler::ldsb_op3: | |
| 43 case Assembler::ldsh_op3: | |
| 44 case Assembler::ldx_op3: | |
| 45 case Assembler::ldf_op3: | |
| 46 case Assembler::lddf_op3: | |
| 47 case Assembler::stw_op3: | |
| 48 case Assembler::stb_op3: | |
| 49 case Assembler::sth_op3: | |
| 50 case Assembler::std_op3: | |
| 51 case Assembler::stx_op3: | |
| 52 case Assembler::stf_op3: | |
| 53 case Assembler::stdf_op3: | |
| 54 case Assembler::casa_op3: | |
| 55 case Assembler::casxa_op3: | |
| 56 break; | |
| 57 default: | |
| 58 ShouldNotReachHere(); | |
| 59 } | |
| 60 goto do_non_sethi; | |
| 61 #endif | |
| 62 | |
| 63 case Assembler::arith_op: | |
| 64 #ifdef ASSERT | |
| 65 switch (Assembler::inv_op3(inst)) { | |
| 66 case Assembler::or_op3: | |
| 67 case Assembler::add_op3: | |
| 68 case Assembler::jmpl_op3: | |
| 69 break; | |
| 70 default: | |
| 71 ShouldNotReachHere(); | |
| 72 } | |
| 73 do_non_sethi:; | |
| 74 #endif | |
| 75 { | |
| 76 guarantee(Assembler::inv_immed(inst), "must have a simm13 field"); | |
| 77 int simm13 = Assembler::low10((intptr_t)x) + o; | |
| 78 guarantee(Assembler::is_simm13(simm13), "offset can't overflow simm13"); | |
| 79 inst &= ~Assembler::simm( -1, 13); | |
| 80 inst |= Assembler::simm(simm13, 13); | |
| 81 ip->set_long_at(0, inst); | |
| 82 } | |
| 83 break; | |
| 84 | |
| 85 case Assembler::branch_op: | |
| 86 { | |
| 87 #ifdef _LP64 | |
| 88 jint inst2; | |
| 89 guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi"); | |
|
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90 if (format() != 0) { |
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91 assert(type() == relocInfo::oop_type, "only narrow oops case"); |
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92 jint np = oopDesc::encode_heap_oop((oop)x); |
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93 inst &= ~Assembler::hi22(-1); |
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94 inst |= Assembler::hi22((intptr_t)np); |
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95 ip->set_long_at(0, inst); |
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96 inst2 = ip->long_at( NativeInstruction::nop_instruction_size ); |
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97 guarantee(Assembler::inv_op(inst2)==Assembler::arith_op, "arith op"); |
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98 ip->set_long_at(NativeInstruction::nop_instruction_size, ip->set_data32_simm13( inst2, (intptr_t)np)); |
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99 break; |
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100 } |
| 0 | 101 ip->set_data64_sethi( ip->addr_at(0), (intptr_t)x ); |
| 102 #ifdef COMPILER2 | |
| 103 // [RGV] Someone must have missed putting in a reloc entry for the | |
| 104 // add in compiler2. | |
| 105 inst2 = ip->long_at( NativeMovConstReg::add_offset ); | |
| 106 guarantee(Assembler::inv_op(inst2)==Assembler::arith_op, "arith op"); | |
| 107 ip->set_long_at(NativeMovConstReg::add_offset,ip->set_data32_simm13( inst2, (intptr_t)x+o)); | |
| 108 #endif | |
| 109 #else | |
| 110 guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi"); | |
| 111 inst &= ~Assembler::hi22( -1); | |
| 112 inst |= Assembler::hi22((intptr_t)x); | |
| 113 // (ignore offset; it doesn't play into the sethi) | |
| 114 ip->set_long_at(0, inst); | |
| 115 #endif | |
| 116 } | |
| 117 break; | |
| 118 | |
| 119 default: | |
| 120 guarantee(false, "instruction must perform arithmetic or memory access"); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 | |
| 125 address Relocation::pd_call_destination(address orig_addr) { | |
| 126 intptr_t adj = 0; | |
| 127 if (orig_addr != NULL) { | |
| 128 // We just moved this call instruction from orig_addr to addr(). | |
| 129 // This means its target will appear to have grown by addr() - orig_addr. | |
| 130 adj = -( addr() - orig_addr ); | |
| 131 } | |
| 132 if (NativeCall::is_call_at(addr())) { | |
| 133 NativeCall* call = nativeCall_at(addr()); | |
| 134 return call->destination() + adj; | |
| 135 } | |
| 136 if (NativeFarCall::is_call_at(addr())) { | |
| 137 NativeFarCall* call = nativeFarCall_at(addr()); | |
| 138 return call->destination() + adj; | |
| 139 } | |
| 140 // Special case: Patchable branch local to the code cache. | |
| 141 // This will break badly if the code cache grows larger than a few Mb. | |
| 142 NativeGeneralJump* br = nativeGeneralJump_at(addr()); | |
| 143 return br->jump_destination() + adj; | |
| 144 } | |
| 145 | |
| 146 | |
| 147 void Relocation::pd_set_call_destination(address x) { | |
| 148 if (NativeCall::is_call_at(addr())) { | |
| 149 NativeCall* call = nativeCall_at(addr()); | |
| 150 call->set_destination(x); | |
| 151 return; | |
| 152 } | |
| 153 if (NativeFarCall::is_call_at(addr())) { | |
| 154 NativeFarCall* call = nativeFarCall_at(addr()); | |
| 155 call->set_destination(x); | |
| 156 return; | |
| 157 } | |
| 158 // Special case: Patchable branch local to the code cache. | |
| 159 // This will break badly if the code cache grows larger than a few Mb. | |
| 160 NativeGeneralJump* br = nativeGeneralJump_at(addr()); | |
| 161 br->set_jump_destination(x); | |
| 162 } | |
| 163 | |
| 164 | |
| 165 address* Relocation::pd_address_in_code() { | |
| 166 // SPARC never embeds addresses in code, at present. | |
| 167 //assert(type() == relocInfo::oop_type, "only oops are inlined at present"); | |
| 168 return (address*)addr(); | |
| 169 } | |
| 170 | |
| 171 | |
| 172 address Relocation::pd_get_address_from_code() { | |
| 173 // SPARC never embeds addresses in code, at present. | |
| 174 //assert(type() == relocInfo::oop_type, "only oops are inlined at present"); | |
| 175 return *(address*)addr(); | |
| 176 } | |
| 177 | |
| 178 | |
| 179 int Relocation::pd_breakpoint_size() { | |
| 180 // minimum breakpoint size, in short words | |
| 181 return NativeIllegalInstruction::instruction_size / sizeof(short); | |
| 182 } | |
| 183 | |
| 184 void Relocation::pd_swap_in_breakpoint(address x, short* instrs, int instrlen) { | |
| 185 Untested("pd_swap_in_breakpoint"); | |
| 186 // %%% probably do not need a general instrlen; just use the trap size | |
| 187 if (instrs != NULL) { | |
| 188 assert(instrlen * sizeof(short) == NativeIllegalInstruction::instruction_size, "enough instrlen in reloc. data"); | |
| 189 for (int i = 0; i < instrlen; i++) { | |
| 190 instrs[i] = ((short*)x)[i]; | |
| 191 } | |
| 192 } | |
| 193 NativeIllegalInstruction::insert(x); | |
| 194 } | |
| 195 | |
| 196 | |
| 197 void Relocation::pd_swap_out_breakpoint(address x, short* instrs, int instrlen) { | |
| 198 Untested("pd_swap_out_breakpoint"); | |
| 199 assert(instrlen * sizeof(short) == sizeof(int), "enough buf"); | |
| 200 union { int l; short s[1]; } u; | |
| 201 for (int i = 0; i < instrlen; i++) { | |
| 202 u.s[i] = instrs[i]; | |
| 203 } | |
| 204 NativeInstruction* ni = nativeInstruction_at(x); | |
| 205 ni->set_long_at(0, u.l); | |
| 206 } | |
| 304 | 207 |
| 208 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) { | |
| 209 } | |
| 210 | |
| 211 void poll_return_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) { | |
| 212 } |