codegen_util.cc revision 28c2300d9a85f4e7288fb5d94280332f923b4df3
1e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* 2e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * Copyright (C) 2011 The Android Open Source Project 3e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * 4e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * Licensed under the Apache License, Version 2.0 (the "License"); 5e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * you may not use this file except in compliance with the License. 6e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * You may obtain a copy of the License at 7e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * 8e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * http://www.apache.org/licenses/LICENSE-2.0 9e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * 10e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * Unless required by applicable law or agreed to in writing, software 11e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * distributed under the License is distributed on an "AS IS" BASIS, 12e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * See the License for the specific language governing permissions and 14e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * limitations under the License. 15e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee */ 16e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 177940e44f4517de5e2634a7e07d58d0fb26160513Brian Carlstrom#include "dex/compiler_internals.h" 184f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 190c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers#include "gc_map.h" 2096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers#include "mapping_table.h" 218d3a117b374352a1853fae9b7306afeaaa9e3b91Ian Rogers#include "mir_to_lir-inl.h" 220c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers#include "verifier/dex_gc_map.h" 230c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers#include "verifier/method_verifier.h" 240c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 25e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbeenamespace art { 26e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 272ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::IsInexpensiveConstant(RegLocation rl_src) { 284ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee bool res = false; 294ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.is_const) { 304ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.wide) { 314ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.fp) { 321fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantDouble(mir_graph_->ConstantValueWide(rl_src)); 334ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } else { 341fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantLong(mir_graph_->ConstantValueWide(rl_src)); 354ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 364ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } else { 374ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.fp) { 381fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantFloat(mir_graph_->ConstantValue(rl_src)); 394ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } else { 401fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantInt(mir_graph_->ConstantValue(rl_src)); 414ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 424ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 434ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 444ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return res; 454ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee} 464ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee 472ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::MarkSafepointPC(LIR* inst) { 4802031b185b4653e6c72e21f7a51238b903f6d638buzbee inst->def_mask = ENCODE_ALL; 491fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* safepoint_pc = NewLIR0(kPseudoSafepointPC); 5002031b185b4653e6c72e21f7a51238b903f6d638buzbee DCHECK_EQ(safepoint_pc->def_mask, ENCODE_ALL); 5102031b185b4653e6c72e21f7a51238b903f6d638buzbee} 5202031b185b4653e6c72e21f7a51238b903f6d638buzbee 539b297bfc588c7d38efd12a6f38cd2710fc513ee3Ian Rogersbool Mir2Lir::FastInstance(uint32_t field_idx, bool is_put, int* field_offset, bool* is_volatile) { 541fd3346740dfb7f47be9922312b68a4227fada96buzbee return cu_->compiler_driver->ComputeInstanceFieldInfo( 559b297bfc588c7d38efd12a6f38cd2710fc513ee3Ian Rogers field_idx, mir_graph_->GetCurrentDexCompilationUnit(), is_put, field_offset, is_volatile); 5602031b185b4653e6c72e21f7a51238b903f6d638buzbee} 5702031b185b4653e6c72e21f7a51238b903f6d638buzbee 58cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee/* Convert an instruction to a NOP */ 59df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstromvoid Mir2Lir::NopLIR(LIR* lir) { 60fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->flags.is_nop = true; 61cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee} 62cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee 632ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::SetMemRefType(LIR* lir, bool is_load, int mem_type) { 64fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint64_t *mask_ptr; 65f69863b3039fc621ff4250e262d2a024d5e79ec8Brian Carlstrom uint64_t mask = ENCODE_MEM; 661fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(GetTargetInstFlags(lir->opcode) & (IS_LOAD | IS_STORE)); 67fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (is_load) { 68fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee mask_ptr = &lir->use_mask; 69a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 70fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee mask_ptr = &lir->def_mask; 71a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 72a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Clear out the memref flags */ 73fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr &= ~mask; 74a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* ..and then add back the one we need */ 75fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee switch (mem_type) { 76a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kLiteral: 77fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK(is_load); 78fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_LITERAL; 79a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 80a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kDalvikReg: 81fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_DALVIK_REG; 82a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 83a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kHeapRef: 84fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_HEAP_REF; 85a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 86a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kMustNotAlias: 87a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Currently only loads can be marked as kMustNotAlias */ 881fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(!(GetTargetInstFlags(lir->opcode) & IS_STORE)); 89fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_MUST_NOT_ALIAS; 90a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 91a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee default: 92fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(FATAL) << "Oat: invalid memref kind - " << mem_type; 93a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 9431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 9531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 9631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 97b5d09b2f87202bc132ac3991d4b6d71f4f6d9264Ian Rogers * Mark load/store instructions that access Dalvik registers through the stack. 9831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 991fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::AnnotateDalvikRegAccess(LIR* lir, int reg_id, bool is_load, 1002ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom bool is64bit) { 1011fd3346740dfb7f47be9922312b68a4227fada96buzbee SetMemRefType(lir, is_load, kDalvikReg); 10231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 103a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 104fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee * Store the Dalvik register id in alias_info. Mark the MSB if it is a 64-bit 105a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * access. 106a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 107fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->alias_info = ENCODE_ALIAS_INFO(reg_id, is64bit); 10831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 10931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 11031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 1115de3494e4297c0d480409da3fecee39173f1d4e1buzbee * Debugging macros 1125de3494e4297c0d480409da3fecee39173f1d4e1buzbee */ 1135de3494e4297c0d480409da3fecee39173f1d4e1buzbee#define DUMP_RESOURCE_MASK(X) 1145de3494e4297c0d480409da3fecee39173f1d4e1buzbee 1155de3494e4297c0d480409da3fecee39173f1d4e1buzbee/* Pretty-print a LIR instruction */ 1162ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpLIRInsn(LIR* lir, unsigned char* base_addr) { 117a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int offset = lir->offset; 118a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int dest = lir->operands[0]; 1191fd3346740dfb7f47be9922312b68a4227fada96buzbee const bool dump_nop = (cu_->enable_debug & (1 << kDebugShowNops)); 120a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 121a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Handle pseudo-ops individually, and all regular insns as a group */ 122a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee switch (lir->opcode) { 123a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoMethodEntry: 124a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- method entry " 1251fd3346740dfb7f47be9922312b68a4227fada96buzbee << PrettyMethod(cu_->method_idx, *cu_->dex_file); 126a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 127a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoMethodExit: 128a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- Method_Exit"; 129a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 130a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoBarrier: 131a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- BARRIER"; 132a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 133a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoEntryBlock: 134a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- entry offset: 0x" << std::hex << dest; 135a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 136a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoDalvikByteCodeBoundary: 1374ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (lir->operands[0] == 0) { 1384ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee lir->operands[0] = reinterpret_cast<uintptr_t>("No instruction string"); 1394ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 140a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- dalvik offset: 0x" << std::hex 141fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee << lir->dalvik_offset << " @ " << reinterpret_cast<char*>(lir->operands[0]); 142a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 143a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoExitBlock: 144a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- exit offset: 0x" << std::hex << dest; 145a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 146a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoPseudoAlign4: 147fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << reinterpret_cast<uintptr_t>(base_addr) + offset << " (0x" << std::hex 148a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << offset << "): .align4"; 149a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 150a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoEHBlockLabel: 151a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Exception_Handling:"; 152a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 153a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoTargetLabel: 154a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoNormalBlockLabel: 155cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "L" << reinterpret_cast<void*>(lir) << ":"; 156a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 157a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoThrowTarget: 158cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LT" << reinterpret_cast<void*>(lir) << ":"; 159a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 160a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoIntrinsicRetry: 161cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "IR" << reinterpret_cast<void*>(lir) << ":"; 162a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 163a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoSuspendTarget: 164cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LS" << reinterpret_cast<void*>(lir) << ":"; 165a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 1668320f3867c02bae9bef6cdab267820cb7b412781buzbee case kPseudoSafepointPC: 167fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "LsafepointPC_0x" << std::hex << lir->offset << "_" << lir->dalvik_offset << ":"; 1688320f3867c02bae9bef6cdab267820cb7b412781buzbee break; 169a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee case kPseudoExportedPC: 170fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "LexportedPC_0x" << std::hex << lir->offset << "_" << lir->dalvik_offset << ":"; 171a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee break; 172a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoCaseLabel: 173cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LC" << reinterpret_cast<void*>(lir) << ": Case target 0x" 174a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << lir->operands[0] << "|" << std::dec << 175a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee lir->operands[0]; 176a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 177a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee default: 178fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lir->flags.is_nop && !dump_nop) { 179a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 180a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 1811fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string op_name(BuildInsnString(GetTargetInstName(lir->opcode), 18202031b185b4653e6c72e21f7a51238b903f6d638buzbee lir, base_addr)); 1831fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string op_operands(BuildInsnString(GetTargetInstFmt(lir->opcode), 18402031b185b4653e6c72e21f7a51238b903f6d638buzbee lir, base_addr)); 185a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << StringPrintf("%05x: %-9s%s%s", 186fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee reinterpret_cast<unsigned int>(base_addr + offset), 187a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee op_name.c_str(), op_operands.c_str(), 188fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->flags.is_nop ? "(nop)" : ""); 189a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 190a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 191a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 192a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 193fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lir->use_mask && (!lir->flags.is_nop || dump_nop)) { 1942d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom DUMP_RESOURCE_MASK(DumpResourceMask(lir, lir->use_mask, "use")); 195a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 196fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lir->def_mask && (!lir->flags.is_nop || dump_nop)) { 1972d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom DUMP_RESOURCE_MASK(DumpResourceMask(lir, lir->def_mask, "def")); 198a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 1995de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2005de3494e4297c0d480409da3fecee39173f1d4e1buzbee 2012ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpPromotionMap() { 2021fd3346740dfb7f47be9922312b68a4227fada96buzbee int num_regs = cu_->num_dalvik_registers + cu_->num_compiler_temps + 1; 203fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < num_regs; i++) { 2041fd3346740dfb7f47be9922312b68a4227fada96buzbee PromotionMap v_reg_map = promotion_map_[i]; 205a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee std::string buf; 206fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (v_reg_map.fp_location == kLocPhysReg) { 2071fd3346740dfb7f47be9922312b68a4227fada96buzbee StringAppendF(&buf, " : s%d", v_reg_map.FpReg & FpRegMask()); 208a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2099c044ce5f76e9bfa17c4c1979e9f8c99ae100695buzbee 210a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee std::string buf3; 2111fd3346740dfb7f47be9922312b68a4227fada96buzbee if (i < cu_->num_dalvik_registers) { 212a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee StringAppendF(&buf3, "%02d", i); 2131fd3346740dfb7f47be9922312b68a4227fada96buzbee } else if (i == mir_graph_->GetMethodSReg()) { 214a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf3 = "Method*"; 215a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 2161fd3346740dfb7f47be9922312b68a4227fada96buzbee StringAppendF(&buf3, "ct%d", i - cu_->num_dalvik_registers); 2175de3494e4297c0d480409da3fecee39173f1d4e1buzbee } 218a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 219a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << StringPrintf("V[%s] -> %s%d%s", buf3.c_str(), 220fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee v_reg_map.core_location == kLocPhysReg ? 221fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee "r" : "SP+", v_reg_map.core_location == kLocPhysReg ? 2221fd3346740dfb7f47be9922312b68a4227fada96buzbee v_reg_map.core_reg : SRegOffset(i), 223a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf.c_str()); 224a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2255de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2265de3494e4297c0d480409da3fecee39173f1d4e1buzbee 227a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee/* Dump a mapping table */ 2281fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::DumpMappingTable(const char* table_name, const std::string& descriptor, 2291fd3346740dfb7f47be9922312b68a4227fada96buzbee const std::string& name, const std::string& signature, 2301fd3346740dfb7f47be9922312b68a4227fada96buzbee const std::vector<uint32_t>& v) { 231a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee if (v.size() > 0) { 232a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee std::string line(StringPrintf("\n %s %s%s_%s_table[%zu] = {", table_name, 233a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee descriptor.c_str(), name.c_str(), signature.c_str(), v.size())); 234a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee std::replace(line.begin(), line.end(), ';', '_'); 235a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee LOG(INFO) << line; 236a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee for (uint32_t i = 0; i < v.size(); i+=2) { 237a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee line = StringPrintf(" {0x%05x, 0x%04x},", v[i], v[i+1]); 238a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee LOG(INFO) << line; 239a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 240a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee LOG(INFO) <<" };\n\n"; 241a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 242a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee} 243a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee 2445de3494e4297c0d480409da3fecee39173f1d4e1buzbee/* Dump instructions and constant pool contents */ 2452ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::CodegenDump() { 246a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Dumping LIR insns for " 2471fd3346740dfb7f47be9922312b68a4227fada96buzbee << PrettyMethod(cu_->method_idx, *cu_->dex_file); 248fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LIR* lir_insn; 2491fd3346740dfb7f47be9922312b68a4227fada96buzbee int insns_size = cu_->code_item->insns_size_in_code_units_; 2501fd3346740dfb7f47be9922312b68a4227fada96buzbee 2511fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Regs (excluding ins) : " << cu_->num_regs; 2521fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Ins : " << cu_->num_ins; 2531fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Outs : " << cu_->num_outs; 2541fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "CoreSpills : " << num_core_spills_; 2551fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "FPSpills : " << num_fp_spills_; 2561fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "CompilerTemps : " << cu_->num_compiler_temps; 2571fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Frame size : " << frame_size_; 2581fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "code size is " << total_size_ << 259fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee " bytes, Dalvik size is " << insns_size * 2; 260a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "expansion factor: " 2611fd3346740dfb7f47be9922312b68a4227fada96buzbee << static_cast<float>(total_size_) / static_cast<float>(insns_size * 2); 2621fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpPromotionMap(); 2631fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir_insn = first_lir_insn_; lir_insn != NULL; lir_insn = lir_insn->next) { 2641fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpLIRInsn(lir_insn, 0); 265a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2661fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir_insn = literal_list_; lir_insn != NULL; lir_insn = lir_insn->next) { 267fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << StringPrintf("%x (%04x): .word (%#x)", lir_insn->offset, lir_insn->offset, 268fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir_insn->operands[0]); 269a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 270a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 271a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee const DexFile::MethodId& method_id = 2721fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->dex_file->GetMethodId(cu_->method_idx); 2731fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string signature(cu_->dex_file->GetMethodSignature(method_id)); 2741fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string name(cu_->dex_file->GetMethodName(method_id)); 2751fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string descriptor(cu_->dex_file->GetMethodDeclaringClassDescriptor(method_id)); 276a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 277a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee // Dump mapping tables 2781fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpMappingTable("PC2Dex_MappingTable", descriptor, name, signature, pc2dex_mapping_table_); 2791fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpMappingTable("Dex2PC_MappingTable", descriptor, name, signature, dex2pc_mapping_table_); 2805de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2815de3494e4297c0d480409da3fecee39173f1d4e1buzbee 28231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 28331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * Search the existing constants in the literal pool for an exact or close match 28431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * within specified delta (greater or equal to 0). 28531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 2862ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::ScanLiteralPool(LIR* data_target, int value, unsigned int delta) { 287fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_target) { 288fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if ((static_cast<unsigned>(value - data_target->operands[0])) <= delta) 289fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return data_target; 290fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_target = data_target->next; 291a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 292a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 29331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 29431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 29531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* Search the existing constants in the literal pool for an exact wide match */ 2962ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::ScanLiteralPoolWide(LIR* data_target, int val_lo, int val_hi) { 297fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bool lo_match = false; 298fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LIR* lo_target = NULL; 299fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_target) { 300fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lo_match && (data_target->operands[0] == val_hi)) { 3014ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee // Record high word in case we need to expand this later. 3024ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee lo_target->operands[1] = val_hi; 303fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return lo_target; 30431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee } 305fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_match = false; 306fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (data_target->operands[0] == val_lo) { 307fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_match = true; 308fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_target = data_target; 309a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 310fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_target = data_target->next; 311a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 312a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 31331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 31431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 31531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 31631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * The following are building blocks to insert constants into the pool or 31731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * instruction streams. 31831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 31931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 3204ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee/* Add a 32-bit constant to the constant pool */ 3212ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::AddWordData(LIR* *constant_list_p, int value) { 322a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Add the constant to the literal pool */ 323fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (constant_list_p) { 324f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier LIR* new_value = static_cast<LIR*>(arena_->Alloc(sizeof(LIR), ArenaAllocator::kAllocData)); 325fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_value->operands[0] = value; 326fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_value->next = *constant_list_p; 327fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *constant_list_p = new_value; 328fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return new_value; 329a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 330a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 33131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 33231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 33331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* Add a 64-bit constant to the constant pool or mixed with code */ 3342ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::AddWideData(LIR* *constant_list_p, int val_lo, int val_hi) { 3351fd3346740dfb7f47be9922312b68a4227fada96buzbee AddWordData(constant_list_p, val_hi); 3361fd3346740dfb7f47be9922312b68a4227fada96buzbee return AddWordData(constant_list_p, val_lo); 33731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 33831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 339aad94383fc41e8f8770f0b2144f766a2ffa772e7buzbeestatic void PushWord(std::vector<uint8_t>&buf, int data) { 340df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back(data & 0xff); 341df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 8) & 0xff); 342df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 16) & 0xff); 343df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 24) & 0xff); 344e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 345e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 346aad94383fc41e8f8770f0b2144f766a2ffa772e7buzbeestatic void AlignBuffer(std::vector<uint8_t>&buf, size_t offset) { 347a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (buf.size() < offset) { 348a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf.push_back(0); 349a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 350e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 351e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 352e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the literal pool to the output stream */ 3532ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallLiteralPools() { 3541fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, data_offset_); 3551fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* data_lir = literal_list_; 356fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 3571fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, data_lir->operands[0]); 358fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 359a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 360a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Push code and method literals, record offsets for the compiler to patch. 3611fd3346740dfb7f47be9922312b68a4227fada96buzbee data_lir = code_literal_list_; 362fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 363fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t target = data_lir->operands[0]; 3641fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->compiler_driver->AddCodePatch(cu_->dex_file, 3651fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->method_idx, 3661fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->invoke_type, 3671212a022fa5f8ef9585d765b1809521812af882cIan Rogers target, 3681212a022fa5f8ef9585d765b1809521812af882cIan Rogers static_cast<InvokeType>(data_lir->operands[1]), 3691fd3346740dfb7f47be9922312b68a4227fada96buzbee code_buffer_.size()); 3701fd3346740dfb7f47be9922312b68a4227fada96buzbee const DexFile::MethodId& id = cu_->dex_file->GetMethodId(target); 371137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // unique based on target to ensure code deduplication works 372137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers uint32_t unique_patch_value = reinterpret_cast<uint32_t>(&id); 3731fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, unique_patch_value); 374fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 375137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers } 3761fd3346740dfb7f47be9922312b68a4227fada96buzbee data_lir = method_literal_list_; 377fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 378fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t target = data_lir->operands[0]; 3791fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->compiler_driver->AddMethodPatch(cu_->dex_file, 3801fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->method_idx, 3811fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->invoke_type, 3821212a022fa5f8ef9585d765b1809521812af882cIan Rogers target, 3831212a022fa5f8ef9585d765b1809521812af882cIan Rogers static_cast<InvokeType>(data_lir->operands[1]), 3841fd3346740dfb7f47be9922312b68a4227fada96buzbee code_buffer_.size()); 3851fd3346740dfb7f47be9922312b68a4227fada96buzbee const DexFile::MethodId& id = cu_->dex_file->GetMethodId(target); 386137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // unique based on target to ensure code deduplication works 387137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers uint32_t unique_patch_value = reinterpret_cast<uint32_t>(&id); 3881fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, unique_patch_value); 389fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 390a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 391e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 392e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 393e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the switch tables to the output stream */ 3942ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallSwitchTables() { 395862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 396a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 397862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable* tab_rec = iterator.Next(); 398fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 3991fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, tab_rec->offset); 400a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 401a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * For Arm, our reference point is the address of the bx 402a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * instruction that does the launch, so we have to subtract 403a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * the auto pc-advance. For other targets the reference point 404a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * is a label, so we can use the offset as-is. 405a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 406fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int bx_offset = INVALID_OFFSET; 4071fd3346740dfb7f47be9922312b68a4227fada96buzbee switch (cu_->instruction_set) { 408b046e16d8b8da318d6055f9308950131f1255e08buzbee case kThumb2: 409fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = tab_rec->anchor->offset + 4; 410b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 411b046e16d8b8da318d6055f9308950131f1255e08buzbee case kX86: 412fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = 0; 413b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 414b046e16d8b8da318d6055f9308950131f1255e08buzbee case kMips: 415fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = tab_rec->anchor->offset; 416b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 4171fd3346740dfb7f47be9922312b68a4227fada96buzbee default: LOG(FATAL) << "Unexpected instruction set: " << cu_->instruction_set; 418b046e16d8b8da318d6055f9308950131f1255e08buzbee } 4191fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 420fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Switch table for offset 0x" << std::hex << bx_offset; 421a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 422fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 423fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const int* keys = reinterpret_cast<const int*>(&(tab_rec->table[2])); 424fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int elems = 0; elems < tab_rec->table[1]; elems++) { 425fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int disp = tab_rec->targets[elems]->offset - bx_offset; 4261fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 427a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Case[" << elems << "] key: 0x" 428a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << keys[elems] << ", disp: 0x" 429a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << disp; 430e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 4311fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, keys[elems]); 4321fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, 433fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->targets[elems]->offset - bx_offset); 434a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 435a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 436fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK_EQ(static_cast<int>(tab_rec->table[0]), 437a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee static_cast<int>(Instruction::kPackedSwitchSignature)); 438fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int elems = 0; elems < tab_rec->table[1]; elems++) { 439fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int disp = tab_rec->targets[elems]->offset - bx_offset; 4401fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 441a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Case[" << elems << "] disp: 0x" 442a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << disp; 443e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 4441fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, tab_rec->targets[elems]->offset - bx_offset); 445a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 446e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 447a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 448e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 449e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 450e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the fill array dta to the output stream */ 4512ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallFillArrayData() { 452862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<FillArrayData*>::Iterator iterator(&fill_array_data_); 453a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 454862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::FillArrayData *tab_rec = iterator.Next(); 455fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 4561fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, tab_rec->offset); 457fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < (tab_rec->size + 1) / 2; i++) { 458df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom code_buffer_.push_back(tab_rec->table[i] & 0xFF); 459df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom code_buffer_.push_back((tab_rec->table[i] >> 8) & 0xFF); 460e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 461a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 462e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 463e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 4642ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromstatic int AssignLiteralOffsetCommon(LIR* lir, int offset) { 46502c8cc6d1312a2b55533f02f6369dc7c94672f90Brian Carlstrom for (; lir != NULL; lir = lir->next) { 466a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee lir->offset = offset; 467a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset += 4; 468a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 469a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 470e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 471e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 4726459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee// Make sure we have a code address for every declared catch entry 4732ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::VerifyCatchEntries() { 4746459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee bool success = true; 4751fd3346740dfb7f47be9922312b68a4227fada96buzbee for (std::set<uint32_t>::const_iterator it = mir_graph_->catches_.begin(); 4761fd3346740dfb7f47be9922312b68a4227fada96buzbee it != mir_graph_->catches_.end(); ++it) { 477fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t dex_pc = *it; 4786459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee bool found = false; 4791fd3346740dfb7f47be9922312b68a4227fada96buzbee for (size_t i = 0; i < dex2pc_mapping_table_.size(); i += 2) { 4801fd3346740dfb7f47be9922312b68a4227fada96buzbee if (dex_pc == dex2pc_mapping_table_[i+1]) { 4816459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee found = true; 4826459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee break; 4836459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 4846459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 4856459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee if (!found) { 486fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Missing native PC for catch entry @ 0x" << std::hex << dex_pc; 4876459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee success = false; 4886459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 4896459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 4906459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee // Now, try in the other direction 4911fd3346740dfb7f47be9922312b68a4227fada96buzbee for (size_t i = 0; i < dex2pc_mapping_table_.size(); i += 2) { 4921fd3346740dfb7f47be9922312b68a4227fada96buzbee uint32_t dex_pc = dex2pc_mapping_table_[i+1]; 4931fd3346740dfb7f47be9922312b68a4227fada96buzbee if (mir_graph_->catches_.find(dex_pc) == mir_graph_->catches_.end()) { 494fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Unexpected catch entry @ dex pc 0x" << std::hex << dex_pc; 4956459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee success = false; 4966459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 4976459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 4986459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee if (!success) { 4991fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Bad dex2pcMapping table in " << PrettyMethod(cu_->method_idx, *cu_->dex_file); 5001fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Entries @ decode: " << mir_graph_->catches_.size() << ", Entries in table: " 5011fd3346740dfb7f47be9922312b68a4227fada96buzbee << dex2pc_mapping_table_.size()/2; 5026459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5036459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee return success; 5046459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee} 5056459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee 506311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee 5072ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::CreateMappingTables() { 5081fd3346740dfb7f47be9922312b68a4227fada96buzbee for (LIR* tgt_lir = first_lir_insn_; tgt_lir != NULL; tgt_lir = NEXT_LIR(tgt_lir)) { 509fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoSafepointPC)) { 5101fd3346740dfb7f47be9922312b68a4227fada96buzbee pc2dex_mapping_table_.push_back(tgt_lir->offset); 5111fd3346740dfb7f47be9922312b68a4227fada96buzbee pc2dex_mapping_table_.push_back(tgt_lir->dalvik_offset); 512a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 513fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoExportedPC)) { 5141fd3346740dfb7f47be9922312b68a4227fada96buzbee dex2pc_mapping_table_.push_back(tgt_lir->offset); 5151fd3346740dfb7f47be9922312b68a4227fada96buzbee dex2pc_mapping_table_.push_back(tgt_lir->dalvik_offset); 516e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 517a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 518311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee if (kIsDebugBuild) { 51996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK(VerifyCatchEntries()); 52096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 52196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(pc2dex_mapping_table_.size() & 1, 0U); 52296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(dex2pc_mapping_table_.size() & 1, 0U); 52396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers uint32_t total_entries = (pc2dex_mapping_table_.size() + dex2pc_mapping_table_.size()) / 2; 52496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers uint32_t pc2dex_entries = pc2dex_mapping_table_.size() / 2; 52596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.PushBack(total_entries); 52696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.PushBack(pc2dex_entries); 52796faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.InsertBack(pc2dex_mapping_table_.begin(), pc2dex_mapping_table_.end()); 52896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.InsertBack(dex2pc_mapping_table_.begin(), dex2pc_mapping_table_.end()); 52996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers if (kIsDebugBuild) { 53096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers // Verify the encoded table holds the expected data. 53196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers MappingTable table(&encoded_mapping_table_.GetData()[0]); 53296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.TotalSize(), total_entries); 53396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.PcToDexSize(), pc2dex_entries); 53496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.DexToPcSize(), dex2pc_mapping_table_.size() / 2); 53596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers MappingTable::PcToDexIterator it = table.PcToDexBegin(); 53696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers for (uint32_t i = 0; i < pc2dex_mapping_table_.size(); ++i, ++it) { 53796faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(pc2dex_mapping_table_.at(i), it.NativePcOffset()); 53896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers ++i; 53996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(pc2dex_mapping_table_.at(i), it.DexPc()); 54096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 54196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers MappingTable::DexToPcIterator it2 = table.DexToPcBegin(); 54296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers for (uint32_t i = 0; i < dex2pc_mapping_table_.size(); ++i, ++it2) { 54396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(dex2pc_mapping_table_.at(i), it2.NativePcOffset()); 54496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers ++i; 54596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(dex2pc_mapping_table_.at(i), it2.DexPc()); 54696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 547311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee } 548e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 549e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 5500c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogersclass NativePcToReferenceMapBuilder { 5510c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers public: 5520c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers NativePcToReferenceMapBuilder(std::vector<uint8_t>* table, 5530c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t entries, uint32_t max_native_offset, 5540c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t references_width) : entries_(entries), 5550c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers references_width_(references_width), in_use_(entries), 5560c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table_(table) { 5570c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Compute width in bytes needed to hold max_native_offset. 5580c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset_width_ = 0; 5590c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers while (max_native_offset != 0) { 5600c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset_width_++; 5610c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers max_native_offset >>= 8; 5620c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5630c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Resize table and set up header. 5640c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table->resize((EntryWidth() * entries) + sizeof(uint32_t)); 565000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers CHECK_LT(native_offset_width_, 1U << 3); 566000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[0] = native_offset_width_ & 7; 567000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers CHECK_LT(references_width_, 1U << 13); 568000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[0] |= (references_width_ << 3) & 0xFF; 569000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[1] = (references_width_ >> 5) & 0xFF; 5700c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers CHECK_LT(entries, 1U << 16); 5710c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table)[2] = entries & 0xFF; 5720c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table)[3] = (entries >> 8) & 0xFF; 5730c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5740c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 5750c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void AddEntry(uint32_t native_offset, const uint8_t* references) { 5760c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_index = TableIndex(native_offset); 5770c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers while (in_use_[table_index]) { 5780c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table_index = (table_index + 1) % entries_; 5790c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5800c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers in_use_[table_index] = true; 5810c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers SetNativeOffset(table_index, native_offset); 5820c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers DCHECK_EQ(native_offset, GetNativeOffset(table_index)); 5830c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers SetReferences(table_index, references); 5840c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5850c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 5860c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers private: 5870c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t TableIndex(uint32_t native_offset) { 5880c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return NativePcOffsetToReferenceMap::Hash(native_offset) % entries_; 5890c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5900c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 5910c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t GetNativeOffset(size_t table_index) { 5920c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = 0; 5930c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 5940c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < native_offset_width_; i++) { 5950c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset |= (*table_)[table_offset + i] << (i * 8); 5960c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5970c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_offset; 5980c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5990c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6000c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void SetNativeOffset(size_t table_index, uint32_t native_offset) { 6010c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 6020c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < native_offset_width_; i++) { 6030c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table_)[table_offset + i] = (native_offset >> (i * 8)) & 0xFF; 6040c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6050c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6060c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6070c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void SetReferences(size_t table_index, const uint8_t* references) { 6080c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 6090c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers memcpy(&(*table_)[table_offset + native_offset_width_], references, references_width_); 6100c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6110c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6120c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t EntryWidth() const { 6130c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_offset_width_ + references_width_; 6140c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6150c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6160c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of entries in the table. 6170c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const size_t entries_; 6180c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of bytes used to encode the reference bitmap. 6190c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const size_t references_width_; 6200c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of bytes used to encode a native offset. 6210c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t native_offset_width_; 6220c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Entries that are in use. 6230c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers std::vector<bool> in_use_; 6240c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // The table we're building. 6250c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers std::vector<uint8_t>* const table_; 6260c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers}; 6270c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6281fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::CreateNativeGcMap() { 6291fd3346740dfb7f47be9922312b68a4227fada96buzbee const std::vector<uint32_t>& mapping_table = pc2dex_mapping_table_; 6300c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t max_native_offset = 0; 6310c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < mapping_table.size(); i += 2) { 6320c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = mapping_table[i + 0]; 6330c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers if (native_offset > max_native_offset) { 6340c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers max_native_offset = native_offset; 6350c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6360c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 63751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom MethodReference method_ref(cu_->dex_file, cu_->method_idx); 6380c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const std::vector<uint8_t>* gc_map_raw = verifier::MethodVerifier::GetDexGcMap(method_ref); 6390c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers verifier::DexPcToReferenceMap dex_gc_map(&(*gc_map_raw)[4], gc_map_raw->size() - 4); 6400c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Compute native offset to references size. 6411fd3346740dfb7f47be9922312b68a4227fada96buzbee NativePcToReferenceMapBuilder native_gc_map_builder(&native_gc_map_, 6420c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers mapping_table.size() / 2, max_native_offset, 6430c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers dex_gc_map.RegWidth()); 6440c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6450c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < mapping_table.size(); i += 2) { 6460c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = mapping_table[i + 0]; 6470c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t dex_pc = mapping_table[i + 1]; 6480c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const uint8_t* references = dex_gc_map.FindBitMap(dex_pc, false); 649a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee CHECK(references != NULL) << "Missing ref for dex pc 0x" << std::hex << dex_pc; 650a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee native_gc_map_builder.AddEntry(native_offset, references); 6510c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6520c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers} 6530c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 654e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Determine the offset of each literal field */ 6552ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignLiteralOffset(int offset) { 6561fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(literal_list_, offset); 6571fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(code_literal_list_, offset); 6581fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(method_literal_list_, offset); 659a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 660e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 661e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 6622ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignSwitchTablesOffset(int offset) { 663862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 664a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 665862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable *tab_rec = iterator.Next(); 666fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 667fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->offset = offset; 668fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 669fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->table[1] * (sizeof(int) * 2); 670a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 671fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK_EQ(static_cast<int>(tab_rec->table[0]), 672a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee static_cast<int>(Instruction::kPackedSwitchSignature)); 673fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->table[1] * sizeof(int); 674e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 675a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 676a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 677e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 678e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 6792ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignFillArrayDataOffset(int offset) { 680862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<FillArrayData*>::Iterator iterator(&fill_array_data_); 681a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 682862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::FillArrayData *tab_rec = iterator.Next(); 683fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 684fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->offset = offset; 685fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->size; 686a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // word align 687a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset = (offset + 3) & ~3; 688a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 689a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 690e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 691e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 692a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee// LIR offset assignment. 6932ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignInsnOffsets() { 694a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee LIR* lir; 695a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee int offset = 0; 696a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee 6971fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir = first_lir_insn_; lir != NULL; lir = NEXT_LIR(lir)) { 698a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee lir->offset = offset; 69928c2300d9a85f4e7288fb5d94280332f923b4df3buzbee if (LIKELY(lir->opcode >= 0)) { 700a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee if (!lir->flags.is_nop) { 701a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee offset += lir->flags.size; 702a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee } 70328c2300d9a85f4e7288fb5d94280332f923b4df3buzbee } else if (UNLIKELY(lir->opcode == kPseudoPseudoAlign4)) { 704a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee if (offset & 0x2) { 705a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee offset += 2; 706a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee lir->operands[0] = 1; 707a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee } else { 708a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee lir->operands[0] = 0; 709a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee } 710a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee } 711a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee /* Pseudo opcodes don't consume space */ 712a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee } 713a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee return offset; 714a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee} 715a3a82b219531effb53aef13f48e50db9bf0f9fb5buzbee 716e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* 717e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * Walk the compilation unit and assign offsets to instructions 718e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * and literals and compute the total size of the compiled unit. 719e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee */ 7202ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::AssignOffsets() { 7211fd3346740dfb7f47be9922312b68a4227fada96buzbee int offset = AssignInsnOffsets(); 722e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 723a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Const values have to be word aligned */ 724a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset = (offset + 3) & ~3; 725e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 726a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Set up offsets for literals */ 7271fd3346740dfb7f47be9922312b68a4227fada96buzbee data_offset_ = offset; 728e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7291fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffset(offset); 730e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7311fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignSwitchTablesOffset(offset); 732e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7331fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignFillArrayDataOffset(offset); 734e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7351fd3346740dfb7f47be9922312b68a4227fada96buzbee total_size_ = offset; 736e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 737e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 738e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* 739e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * Go over each instruction in the list and calculate the offset from the top 740e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * before sending them off to the assembler. If out-of-range branch distance is 741e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee * seen rearrange the instructions a bit to correct it. 742e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee */ 7432ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::AssembleLIR() { 7441fd3346740dfb7f47be9922312b68a4227fada96buzbee AssignOffsets(); 745311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee int assembler_retries = 0; 746a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 747a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Assemble here. Note that we generate code with optimistic assumptions 748a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * and if found now to work, we'll have to redo the sequence and retry. 749a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 750e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 751a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 7521fd3346740dfb7f47be9922312b68a4227fada96buzbee AssemblerStatus res = AssembleInstructions(0); 753a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee if (res == kSuccess) { 754a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 755a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 756311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee assembler_retries++; 757311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee if (assembler_retries > MAX_ASSEMBLER_RETRIES) { 7581fd3346740dfb7f47be9922312b68a4227fada96buzbee CodegenDump(); 759a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(FATAL) << "Assembler error - too many retries"; 760a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 761a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Redo offsets and try again 7621fd3346740dfb7f47be9922312b68a4227fada96buzbee AssignOffsets(); 7631fd3346740dfb7f47be9922312b68a4227fada96buzbee code_buffer_.clear(); 764e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 765a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 766e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 767a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Install literals 7681fd3346740dfb7f47be9922312b68a4227fada96buzbee InstallLiteralPools(); 769e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 770a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Install switch tables 7711fd3346740dfb7f47be9922312b68a4227fada96buzbee InstallSwitchTables(); 772e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 773a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Install fill array data 7741fd3346740dfb7f47be9922312b68a4227fada96buzbee InstallFillArrayData(); 775e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7760c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Create the mapping table and native offset to reference map. 7771fd3346740dfb7f47be9922312b68a4227fada96buzbee CreateMappingTables(); 7780c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7791fd3346740dfb7f47be9922312b68a4227fada96buzbee CreateNativeGcMap(); 780e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 781e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 78231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 78331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * Insert a kPseudoCaseLabel at the beginning of the Dalvik 78431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * offset vaddr. This label will be used to fix up the case 78531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * branch table during the assembly phase. Be sure to set 78631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * all resource flags on this to prevent code motion across 78731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * target boundaries. KeyVal is just there for debugging. 78831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 7892ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::InsertCaseLabel(int vaddr, int keyVal) { 790a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee SafeMap<unsigned int, LIR*>::iterator it; 79156c717860df2d71d66fb77aa77f29dd346e559d3buzbee LIR* boundary_lir = boundary_map_.Get(vaddr); 79256c717860df2d71d66fb77aa77f29dd346e559d3buzbee if (boundary_lir == NULL) { 793a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(FATAL) << "Error: didn't find vaddr 0x" << std::hex << vaddr; 794a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 795f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier LIR* new_label = static_cast<LIR*>(arena_->Alloc(sizeof(LIR), ArenaAllocator::kAllocLIR)); 796fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_label->dalvik_offset = vaddr; 797fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_label->opcode = kPseudoCaseLabel; 798fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_label->operands[0] = keyVal; 79956c717860df2d71d66fb77aa77f29dd346e559d3buzbee InsertLIRAfter(boundary_lir, new_label); 800fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return new_label; 80131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 80231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8032ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::MarkPackedCaseLabels(Mir2Lir::SwitchTable *tab_rec) { 804fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const uint16_t* table = tab_rec->table; 805fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int base_vaddr = tab_rec->vaddr; 806cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int *targets = reinterpret_cast<const int*>(&table[4]); 807a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 808fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_key = s4FromSwitchData(&table[2]); 809a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 8101fd3346740dfb7f47be9922312b68a4227fada96buzbee tab_rec->targets[i] = InsertCaseLabel(base_vaddr + targets[i], i + low_key); 811a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 81231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 81331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8142ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::MarkSparseCaseLabels(Mir2Lir::SwitchTable *tab_rec) { 815fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const uint16_t* table = tab_rec->table; 816fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int base_vaddr = tab_rec->vaddr; 817a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 818cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* keys = reinterpret_cast<const int*>(&table[2]); 819cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* targets = &keys[entries]; 820a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 8211fd3346740dfb7f47be9922312b68a4227fada96buzbee tab_rec->targets[i] = InsertCaseLabel(base_vaddr + targets[i], keys[i]); 822a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 82331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 82431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8252ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::ProcessSwitchTables() { 826862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 827a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 828862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable *tab_rec = iterator.Next(); 829fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 830fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kPackedSwitchSignature) { 8311fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkPackedCaseLabels(tab_rec); 832fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee } else if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 8331fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkSparseCaseLabels(tab_rec); 834a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 835a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(FATAL) << "Invalid switch table"; 83631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee } 837a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 83831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 83931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8402ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpSparseSwitchTable(const uint16_t* table) { 841a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 842a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Sparse switch data format: 843a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort ident = 0x0200 magic value 844a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort size number of entries in the table; > 0 845a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int keys[size] keys, sorted low-to-high; 32-bit aligned 846a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int targets[size] branch targets, relative to switch opcode 847a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * 848a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Total size is (2+size*4) 16-bit code units. 849a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 850eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint16_t ident = table[0]; 851a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 852cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* keys = reinterpret_cast<const int*>(&table[2]); 853cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* targets = &keys[entries]; 854a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Sparse switch table - ident:0x" << std::hex << ident 855a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << ", entries: " << std::dec << entries; 856a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 857a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Key[" << keys[i] << "] -> 0x" << std::hex << targets[i]; 858a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 85931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 86031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8612ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpPackedSwitchTable(const uint16_t* table) { 862a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 863a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Packed switch data format: 864a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort ident = 0x0100 magic value 865a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort size number of entries in the table 866a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int first_key first (and lowest) switch case value 867a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int targets[size] branch targets, relative to switch opcode 868a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * 869a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Total size is (4+size*2) 16-bit code units. 870a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 871eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint16_t ident = table[0]; 872cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* targets = reinterpret_cast<const int*>(&table[4]); 873a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 874fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_key = s4FromSwitchData(&table[2]); 875a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Packed switch table - ident:0x" << std::hex << ident 876fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee << ", entries: " << std::dec << entries << ", low_key: " << low_key; 877a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 878fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << " Key[" << (i + low_key) << "] -> 0x" << std::hex 879a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << targets[i]; 880a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 88131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 882e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 883d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee/* 884d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee * Set up special LIR to mark a Dalvik byte-code instruction start and 885fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee * record it in the boundary_map. NOTE: in cases such as kMirOpCheck in 886d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee * which we split a single Dalvik instruction, only the first MIR op 887d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee * associated with a Dalvik PC should be entered into the map. 888d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee */ 8892ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::MarkBoundary(int offset, const char* inst_str) { 8901fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* res = NewLIR1(kPseudoDalvikByteCodeBoundary, reinterpret_cast<uintptr_t>(inst_str)); 89156c717860df2d71d66fb77aa77f29dd346e559d3buzbee if (boundary_map_.Get(offset) == NULL) { 8921fd3346740dfb7f47be9922312b68a4227fada96buzbee boundary_map_.Put(offset, res); 893d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee } 894d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee return res; 895d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee} 896e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 8972ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::EvaluateBranch(Instruction::Code opcode, int32_t src1, int32_t src2) { 898e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee bool is_taken; 899e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee switch (opcode) { 900e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_EQ: is_taken = (src1 == src2); break; 901e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_NE: is_taken = (src1 != src2); break; 902e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LT: is_taken = (src1 < src2); break; 903e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GE: is_taken = (src1 >= src2); break; 904e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GT: is_taken = (src1 > src2); break; 905e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LE: is_taken = (src1 <= src2); break; 906e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_EQZ: is_taken = (src1 == 0); break; 907e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_NEZ: is_taken = (src1 != 0); break; 908e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LTZ: is_taken = (src1 < 0); break; 909e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GEZ: is_taken = (src1 >= 0); break; 910e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GTZ: is_taken = (src1 > 0); break; 911e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LEZ: is_taken = (src1 <= 0); break; 912e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee default: 913e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee LOG(FATAL) << "Unexpected opcode " << opcode; 914e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee is_taken = false; 915e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee } 916e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee return is_taken; 917e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee} 918e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee 9194ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee// Convert relation of src1/src2 to src2/src1 9201fd3346740dfb7f47be9922312b68a4227fada96buzbeeConditionCode Mir2Lir::FlipComparisonOrder(ConditionCode before) { 9214ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee ConditionCode res; 9224ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee switch (before) { 9234ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondEq: res = kCondEq; break; 9244ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondNe: res = kCondNe; break; 9254ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondLt: res = kCondGt; break; 9264ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondGt: res = kCondLt; break; 9274ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondLe: res = kCondGe; break; 9284ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondGe: res = kCondLe; break; 9294ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee default: 9304ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee res = static_cast<ConditionCode>(0); 9314ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee LOG(FATAL) << "Unexpected ccode " << before; 9324ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 9334ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return res; 9344ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee} 9354ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee 936862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee// TODO: move to mir_to_lir.cc 937862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbeeMir2Lir::Mir2Lir(CompilationUnit* cu, MIRGraph* mir_graph, ArenaAllocator* arena) 9386282dc12440a2072dc06a616160027ff21bd895eIan Rogers : Backend(arena), 9396282dc12440a2072dc06a616160027ff21bd895eIan Rogers literal_list_(NULL), 9401fd3346740dfb7f47be9922312b68a4227fada96buzbee method_literal_list_(NULL), 9411fd3346740dfb7f47be9922312b68a4227fada96buzbee code_literal_list_(NULL), 9421fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_(cu), 9431fd3346740dfb7f47be9922312b68a4227fada96buzbee mir_graph_(mir_graph), 944862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee switch_tables_(arena, 4, kGrowableArraySwitchTables), 945862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee fill_array_data_(arena, 4, kGrowableArrayFillArrayData), 946862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee throw_launchpads_(arena, 2048, kGrowableArrayThrowLaunchPads), 947862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee suspend_launchpads_(arena, 4, kGrowableArraySuspendLaunchPads), 948862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee intrinsic_launchpads_(arena, 2048, kGrowableArrayMisc), 94956c717860df2d71d66fb77aa77f29dd346e559d3buzbee boundary_map_(arena, 0, kGrowableArrayMisc), 9501fd3346740dfb7f47be9922312b68a4227fada96buzbee data_offset_(0), 9511fd3346740dfb7f47be9922312b68a4227fada96buzbee total_size_(0), 9521fd3346740dfb7f47be9922312b68a4227fada96buzbee block_label_list_(NULL), 953862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee current_dalvik_offset_(0), 954862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee reg_pool_(NULL), 9551fd3346740dfb7f47be9922312b68a4227fada96buzbee live_sreg_(0), 9561fd3346740dfb7f47be9922312b68a4227fada96buzbee num_core_spills_(0), 9571fd3346740dfb7f47be9922312b68a4227fada96buzbee num_fp_spills_(0), 9581fd3346740dfb7f47be9922312b68a4227fada96buzbee frame_size_(0), 9591fd3346740dfb7f47be9922312b68a4227fada96buzbee core_spill_mask_(0), 9601fd3346740dfb7f47be9922312b68a4227fada96buzbee fp_spill_mask_(0), 9611fd3346740dfb7f47be9922312b68a4227fada96buzbee first_lir_insn_(NULL), 9622ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom last_lir_insn_(NULL) { 9631fd3346740dfb7f47be9922312b68a4227fada96buzbee promotion_map_ = static_cast<PromotionMap*> 964f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier (arena_->Alloc((cu_->num_dalvik_registers + cu_->num_compiler_temps + 1) * 965f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier sizeof(promotion_map_[0]), ArenaAllocator::kAllocRegAlloc)); 96656c717860df2d71d66fb77aa77f29dd346e559d3buzbee // Pre-fill with nulls. 96756c717860df2d71d66fb77aa77f29dd346e559d3buzbee boundary_map_.SetSize(cu->code_item->insns_size_in_code_units_); 9681fd3346740dfb7f47be9922312b68a4227fada96buzbee} 9691fd3346740dfb7f47be9922312b68a4227fada96buzbee 9701fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::Materialize() { 9711fd3346740dfb7f47be9922312b68a4227fada96buzbee CompilerInitializeRegAlloc(); // Needs to happen after SSA naming 9721fd3346740dfb7f47be9922312b68a4227fada96buzbee 9731fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Allocate Registers using simple local allocation scheme */ 9741fd3346740dfb7f47be9922312b68a4227fada96buzbee SimpleRegAlloc(); 9751fd3346740dfb7f47be9922312b68a4227fada96buzbee 976479f83c196d5a95e36196eac548dc6019e70a5bebuzbee if (mir_graph_->IsSpecialCase()) { 9771fd3346740dfb7f47be9922312b68a4227fada96buzbee /* 9781fd3346740dfb7f47be9922312b68a4227fada96buzbee * Custom codegen for special cases. If for any reason the 9791fd3346740dfb7f47be9922312b68a4227fada96buzbee * special codegen doesn't succeed, first_lir_insn_ will 9801fd3346740dfb7f47be9922312b68a4227fada96buzbee * set to NULL; 9811fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 982479f83c196d5a95e36196eac548dc6019e70a5bebuzbee SpecialMIR2LIR(mir_graph_->GetSpecialCase()); 9831fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9841fd3346740dfb7f47be9922312b68a4227fada96buzbee 9851fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Convert MIR to LIR, etc. */ 9861fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_ == NULL) { 9871fd3346740dfb7f47be9922312b68a4227fada96buzbee MethodMIR2LIR(); 9881fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9891fd3346740dfb7f47be9922312b68a4227fada96buzbee 9901fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Method is not empty */ 9911fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_) { 9921fd3346740dfb7f47be9922312b68a4227fada96buzbee // mark the targets of switch statement case labels 9931fd3346740dfb7f47be9922312b68a4227fada96buzbee ProcessSwitchTables(); 9941fd3346740dfb7f47be9922312b68a4227fada96buzbee 9951fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Convert LIR into machine code. */ 9961fd3346740dfb7f47be9922312b68a4227fada96buzbee AssembleLIR(); 9971fd3346740dfb7f47be9922312b68a4227fada96buzbee 9981fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 9991fd3346740dfb7f47be9922312b68a4227fada96buzbee CodegenDump(); 10001fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10011fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10021fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10031fd3346740dfb7f47be9922312b68a4227fada96buzbee 10041fd3346740dfb7f47be9922312b68a4227fada96buzbeeCompiledMethod* Mir2Lir::GetCompiledMethod() { 10051fd3346740dfb7f47be9922312b68a4227fada96buzbee // Combine vmap tables - core regs, then fp regs - into vmap_table 100696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers std::vector<uint16_t> raw_vmap_table; 10071fd3346740dfb7f47be9922312b68a4227fada96buzbee // Core regs may have been inserted out of order - sort first 10081fd3346740dfb7f47be9922312b68a4227fada96buzbee std::sort(core_vmap_table_.begin(), core_vmap_table_.end()); 1009193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier for (size_t i = 0 ; i < core_vmap_table_.size(); ++i) { 10101fd3346740dfb7f47be9922312b68a4227fada96buzbee // Copy, stripping out the phys register sort key 101196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers raw_vmap_table.push_back(~(-1 << VREG_NUM_WIDTH) & core_vmap_table_[i]); 10121fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10131fd3346740dfb7f47be9922312b68a4227fada96buzbee // If we have a frame, push a marker to take place of lr 10141fd3346740dfb7f47be9922312b68a4227fada96buzbee if (frame_size_ > 0) { 101596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers raw_vmap_table.push_back(INVALID_VREG); 10161fd3346740dfb7f47be9922312b68a4227fada96buzbee } else { 10171fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(__builtin_popcount(core_spill_mask_), 0); 10181fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(__builtin_popcount(fp_spill_mask_), 0); 10191fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10201fd3346740dfb7f47be9922312b68a4227fada96buzbee // Combine vmap tables - core regs, then fp regs. fp regs already sorted 10211fd3346740dfb7f47be9922312b68a4227fada96buzbee for (uint32_t i = 0; i < fp_vmap_table_.size(); i++) { 102296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers raw_vmap_table.push_back(fp_vmap_table_[i]); 102396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 102496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers UnsignedLeb128EncodingVector vmap_encoder; 102596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers // Prefix the encoded data with its size. 102696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers vmap_encoder.PushBack(raw_vmap_table.size()); 1027193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier for (uint16_t cur : raw_vmap_table) { 1028193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier vmap_encoder.PushBack(cur); 10291fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10301fd3346740dfb7f47be9922312b68a4227fada96buzbee CompiledMethod* result = 1031193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier new CompiledMethod(*cu_->compiler_driver, cu_->instruction_set, code_buffer_, frame_size_, 1032193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier core_spill_mask_, fp_spill_mask_, encoded_mapping_table_.GetData(), 1033193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier vmap_encoder.GetData(), native_gc_map_); 10341fd3346740dfb7f47be9922312b68a4227fada96buzbee return result; 10351fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10361fd3346740dfb7f47be9922312b68a4227fada96buzbee 10371fd3346740dfb7f47be9922312b68a4227fada96buzbeeint Mir2Lir::ComputeFrameSize() { 10381fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Figure out the frame size */ 10391fd3346740dfb7f47be9922312b68a4227fada96buzbee static const uint32_t kAlignMask = kStackAlignment - 1; 10401fd3346740dfb7f47be9922312b68a4227fada96buzbee uint32_t size = (num_core_spills_ + num_fp_spills_ + 10411fd3346740dfb7f47be9922312b68a4227fada96buzbee 1 /* filler word */ + cu_->num_regs + cu_->num_outs + 10421fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->num_compiler_temps + 1 /* cur_method* */) 10431fd3346740dfb7f47be9922312b68a4227fada96buzbee * sizeof(uint32_t); 10441fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Align and set */ 10451fd3346740dfb7f47be9922312b68a4227fada96buzbee return (size + kAlignMask) & ~(kAlignMask); 10461fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10471fd3346740dfb7f47be9922312b68a4227fada96buzbee 10481fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 10491fd3346740dfb7f47be9922312b68a4227fada96buzbee * Append an LIR instruction to the LIR list maintained by a compilation 10501fd3346740dfb7f47be9922312b68a4227fada96buzbee * unit 10511fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 10522ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::AppendLIR(LIR* lir) { 10531fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_ == NULL) { 10541fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(last_lir_insn_ == NULL); 10551fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_ = first_lir_insn_ = lir; 10561fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->prev = lir->next = NULL; 10571fd3346740dfb7f47be9922312b68a4227fada96buzbee } else { 10581fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_->next = lir; 10591fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->prev = last_lir_insn_; 10601fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->next = NULL; 10611fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_ = lir; 10621fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10631fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10641fd3346740dfb7f47be9922312b68a4227fada96buzbee 10651fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 10661fd3346740dfb7f47be9922312b68a4227fada96buzbee * Insert an LIR instruction before the current instruction, which cannot be the 10671fd3346740dfb7f47be9922312b68a4227fada96buzbee * first instruction. 10681fd3346740dfb7f47be9922312b68a4227fada96buzbee * 10691fd3346740dfb7f47be9922312b68a4227fada96buzbee * prev_lir <-> new_lir <-> current_lir 10701fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 10712ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InsertLIRBefore(LIR* current_lir, LIR* new_lir) { 10721fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(current_lir->prev != NULL); 10731fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR *prev_lir = current_lir->prev; 10741fd3346740dfb7f47be9922312b68a4227fada96buzbee 10751fd3346740dfb7f47be9922312b68a4227fada96buzbee prev_lir->next = new_lir; 10761fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->prev = prev_lir; 10771fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next = current_lir; 10781fd3346740dfb7f47be9922312b68a4227fada96buzbee current_lir->prev = new_lir; 10791fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10801fd3346740dfb7f47be9922312b68a4227fada96buzbee 10811fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 10821fd3346740dfb7f47be9922312b68a4227fada96buzbee * Insert an LIR instruction after the current instruction, which cannot be the 10831fd3346740dfb7f47be9922312b68a4227fada96buzbee * first instruction. 10841fd3346740dfb7f47be9922312b68a4227fada96buzbee * 10851fd3346740dfb7f47be9922312b68a4227fada96buzbee * current_lir -> new_lir -> old_next 10861fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 10872ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InsertLIRAfter(LIR* current_lir, LIR* new_lir) { 10881fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->prev = current_lir; 10891fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next = current_lir->next; 10901fd3346740dfb7f47be9922312b68a4227fada96buzbee current_lir->next = new_lir; 10911fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next->prev = new_lir; 10921fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10931fd3346740dfb7f47be9922312b68a4227fada96buzbee 10941fd3346740dfb7f47be9922312b68a4227fada96buzbee 10957934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // namespace art 1096