codegen_util.cc revision b48819db07f9a0992a72173380c24249d7fc648a
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) { 48b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!inst->flags.use_def_invalid); 49b48819db07f9a0992a72173380c24249d7fc648abuzbee inst->u.m.def_mask = ENCODE_ALL; 501fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* safepoint_pc = NewLIR0(kPseudoSafepointPC); 51b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK_EQ(safepoint_pc->u.m.def_mask, ENCODE_ALL); 5202031b185b4653e6c72e21f7a51238b903f6d638buzbee} 5302031b185b4653e6c72e21f7a51238b903f6d638buzbee 549b297bfc588c7d38efd12a6f38cd2710fc513ee3Ian Rogersbool Mir2Lir::FastInstance(uint32_t field_idx, bool is_put, int* field_offset, bool* is_volatile) { 551fd3346740dfb7f47be9922312b68a4227fada96buzbee return cu_->compiler_driver->ComputeInstanceFieldInfo( 569b297bfc588c7d38efd12a6f38cd2710fc513ee3Ian Rogers field_idx, mir_graph_->GetCurrentDexCompilationUnit(), is_put, field_offset, is_volatile); 5702031b185b4653e6c72e21f7a51238b903f6d638buzbee} 5802031b185b4653e6c72e21f7a51238b903f6d638buzbee 59252254b130067cd7a5071865e793966871ae0246buzbee/* Remove a LIR from the list. */ 60252254b130067cd7a5071865e793966871ae0246buzbeevoid Mir2Lir::UnlinkLIR(LIR* lir) { 61252254b130067cd7a5071865e793966871ae0246buzbee if (UNLIKELY(lir == first_lir_insn_)) { 62252254b130067cd7a5071865e793966871ae0246buzbee first_lir_insn_ = lir->next; 63252254b130067cd7a5071865e793966871ae0246buzbee if (lir->next != NULL) { 64252254b130067cd7a5071865e793966871ae0246buzbee lir->next->prev = NULL; 65252254b130067cd7a5071865e793966871ae0246buzbee } else { 66252254b130067cd7a5071865e793966871ae0246buzbee DCHECK(lir->next == NULL); 67252254b130067cd7a5071865e793966871ae0246buzbee DCHECK(lir == last_lir_insn_); 68252254b130067cd7a5071865e793966871ae0246buzbee last_lir_insn_ = NULL; 69252254b130067cd7a5071865e793966871ae0246buzbee } 70252254b130067cd7a5071865e793966871ae0246buzbee } else if (lir == last_lir_insn_) { 71252254b130067cd7a5071865e793966871ae0246buzbee last_lir_insn_ = lir->prev; 72252254b130067cd7a5071865e793966871ae0246buzbee lir->prev->next = NULL; 73252254b130067cd7a5071865e793966871ae0246buzbee } else if ((lir->prev != NULL) && (lir->next != NULL)) { 74252254b130067cd7a5071865e793966871ae0246buzbee lir->prev->next = lir->next; 75252254b130067cd7a5071865e793966871ae0246buzbee lir->next->prev = lir->prev; 76252254b130067cd7a5071865e793966871ae0246buzbee } 77252254b130067cd7a5071865e793966871ae0246buzbee} 78252254b130067cd7a5071865e793966871ae0246buzbee 79cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee/* Convert an instruction to a NOP */ 80df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstromvoid Mir2Lir::NopLIR(LIR* lir) { 81fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->flags.is_nop = true; 82252254b130067cd7a5071865e793966871ae0246buzbee if (!cu_->verbose) { 83252254b130067cd7a5071865e793966871ae0246buzbee UnlinkLIR(lir); 84252254b130067cd7a5071865e793966871ae0246buzbee } 85cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee} 86cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee 872ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::SetMemRefType(LIR* lir, bool is_load, int mem_type) { 88fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint64_t *mask_ptr; 89f69863b3039fc621ff4250e262d2a024d5e79ec8Brian Carlstrom uint64_t mask = ENCODE_MEM; 901fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(GetTargetInstFlags(lir->opcode) & (IS_LOAD | IS_STORE)); 91b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!lir->flags.use_def_invalid); 92fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (is_load) { 93b48819db07f9a0992a72173380c24249d7fc648abuzbee mask_ptr = &lir->u.m.use_mask; 94a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 95b48819db07f9a0992a72173380c24249d7fc648abuzbee mask_ptr = &lir->u.m.def_mask; 96a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 97a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Clear out the memref flags */ 98fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr &= ~mask; 99a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* ..and then add back the one we need */ 100fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee switch (mem_type) { 101a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kLiteral: 102fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK(is_load); 103fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_LITERAL; 104a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 105a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kDalvikReg: 106fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_DALVIK_REG; 107a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 108a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kHeapRef: 109fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_HEAP_REF; 110a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 111a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kMustNotAlias: 112a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Currently only loads can be marked as kMustNotAlias */ 1131fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(!(GetTargetInstFlags(lir->opcode) & IS_STORE)); 114fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_MUST_NOT_ALIAS; 115a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 116a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee default: 117fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(FATAL) << "Oat: invalid memref kind - " << mem_type; 118a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 11931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 12031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 12131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 122b5d09b2f87202bc132ac3991d4b6d71f4f6d9264Ian Rogers * Mark load/store instructions that access Dalvik registers through the stack. 12331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 1241fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::AnnotateDalvikRegAccess(LIR* lir, int reg_id, bool is_load, 1252ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom bool is64bit) { 1261fd3346740dfb7f47be9922312b68a4227fada96buzbee SetMemRefType(lir, is_load, kDalvikReg); 12731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 128a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 129fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee * Store the Dalvik register id in alias_info. Mark the MSB if it is a 64-bit 130a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * access. 131a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 132b48819db07f9a0992a72173380c24249d7fc648abuzbee lir->flags.alias_info = ENCODE_ALIAS_INFO(reg_id, is64bit); 13331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 13431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 13531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 1365de3494e4297c0d480409da3fecee39173f1d4e1buzbee * Debugging macros 1375de3494e4297c0d480409da3fecee39173f1d4e1buzbee */ 1385de3494e4297c0d480409da3fecee39173f1d4e1buzbee#define DUMP_RESOURCE_MASK(X) 1395de3494e4297c0d480409da3fecee39173f1d4e1buzbee 1405de3494e4297c0d480409da3fecee39173f1d4e1buzbee/* Pretty-print a LIR instruction */ 1412ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpLIRInsn(LIR* lir, unsigned char* base_addr) { 142a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int offset = lir->offset; 143a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int dest = lir->operands[0]; 1441fd3346740dfb7f47be9922312b68a4227fada96buzbee const bool dump_nop = (cu_->enable_debug & (1 << kDebugShowNops)); 145a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 146a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Handle pseudo-ops individually, and all regular insns as a group */ 147a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee switch (lir->opcode) { 148a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoMethodEntry: 149a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- method entry " 1501fd3346740dfb7f47be9922312b68a4227fada96buzbee << PrettyMethod(cu_->method_idx, *cu_->dex_file); 151a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 152a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoMethodExit: 153a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- Method_Exit"; 154a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 155a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoBarrier: 156a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- BARRIER"; 157a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 158a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoEntryBlock: 159a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- entry offset: 0x" << std::hex << dest; 160a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 161a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoDalvikByteCodeBoundary: 1624ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (lir->operands[0] == 0) { 1634ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee lir->operands[0] = reinterpret_cast<uintptr_t>("No instruction string"); 1644ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 165a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- dalvik offset: 0x" << std::hex 166fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee << lir->dalvik_offset << " @ " << reinterpret_cast<char*>(lir->operands[0]); 167a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 168a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoExitBlock: 169a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- exit offset: 0x" << std::hex << dest; 170a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 171a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoPseudoAlign4: 172fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << reinterpret_cast<uintptr_t>(base_addr) + offset << " (0x" << std::hex 173a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << offset << "): .align4"; 174a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 175a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoEHBlockLabel: 176a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Exception_Handling:"; 177a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 178a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoTargetLabel: 179a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoNormalBlockLabel: 180cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "L" << reinterpret_cast<void*>(lir) << ":"; 181a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 182a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoThrowTarget: 183cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LT" << reinterpret_cast<void*>(lir) << ":"; 184a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 185a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoIntrinsicRetry: 186cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "IR" << reinterpret_cast<void*>(lir) << ":"; 187a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 188a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoSuspendTarget: 189cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LS" << reinterpret_cast<void*>(lir) << ":"; 190a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 1918320f3867c02bae9bef6cdab267820cb7b412781buzbee case kPseudoSafepointPC: 192fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "LsafepointPC_0x" << std::hex << lir->offset << "_" << lir->dalvik_offset << ":"; 1938320f3867c02bae9bef6cdab267820cb7b412781buzbee break; 194a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee case kPseudoExportedPC: 195fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "LexportedPC_0x" << std::hex << lir->offset << "_" << lir->dalvik_offset << ":"; 196a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee break; 197a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoCaseLabel: 198cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LC" << reinterpret_cast<void*>(lir) << ": Case target 0x" 199a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << lir->operands[0] << "|" << std::dec << 200a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee lir->operands[0]; 201a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 202a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee default: 203fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lir->flags.is_nop && !dump_nop) { 204a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 205a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 2061fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string op_name(BuildInsnString(GetTargetInstName(lir->opcode), 20702031b185b4653e6c72e21f7a51238b903f6d638buzbee lir, base_addr)); 2081fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string op_operands(BuildInsnString(GetTargetInstFmt(lir->opcode), 20902031b185b4653e6c72e21f7a51238b903f6d638buzbee lir, base_addr)); 210a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << StringPrintf("%05x: %-9s%s%s", 211fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee reinterpret_cast<unsigned int>(base_addr + offset), 212a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee op_name.c_str(), op_operands.c_str(), 213fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->flags.is_nop ? "(nop)" : ""); 214a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 215a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 216a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 217a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 218b48819db07f9a0992a72173380c24249d7fc648abuzbee if (lir->u.m.use_mask && (!lir->flags.is_nop || dump_nop)) { 219b48819db07f9a0992a72173380c24249d7fc648abuzbee DUMP_RESOURCE_MASK(DumpResourceMask(lir, lir->u.m.use_mask, "use")); 220a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 221b48819db07f9a0992a72173380c24249d7fc648abuzbee if (lir->u.m.def_mask && (!lir->flags.is_nop || dump_nop)) { 222b48819db07f9a0992a72173380c24249d7fc648abuzbee DUMP_RESOURCE_MASK(DumpResourceMask(lir, lir->u.m.def_mask, "def")); 223a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2245de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2255de3494e4297c0d480409da3fecee39173f1d4e1buzbee 2262ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpPromotionMap() { 2271fd3346740dfb7f47be9922312b68a4227fada96buzbee int num_regs = cu_->num_dalvik_registers + cu_->num_compiler_temps + 1; 228fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < num_regs; i++) { 2291fd3346740dfb7f47be9922312b68a4227fada96buzbee PromotionMap v_reg_map = promotion_map_[i]; 230a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee std::string buf; 231fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (v_reg_map.fp_location == kLocPhysReg) { 2321fd3346740dfb7f47be9922312b68a4227fada96buzbee StringAppendF(&buf, " : s%d", v_reg_map.FpReg & FpRegMask()); 233a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2349c044ce5f76e9bfa17c4c1979e9f8c99ae100695buzbee 235a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee std::string buf3; 2361fd3346740dfb7f47be9922312b68a4227fada96buzbee if (i < cu_->num_dalvik_registers) { 237a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee StringAppendF(&buf3, "%02d", i); 2381fd3346740dfb7f47be9922312b68a4227fada96buzbee } else if (i == mir_graph_->GetMethodSReg()) { 239a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf3 = "Method*"; 240a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 2411fd3346740dfb7f47be9922312b68a4227fada96buzbee StringAppendF(&buf3, "ct%d", i - cu_->num_dalvik_registers); 2425de3494e4297c0d480409da3fecee39173f1d4e1buzbee } 243a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 244a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << StringPrintf("V[%s] -> %s%d%s", buf3.c_str(), 245fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee v_reg_map.core_location == kLocPhysReg ? 246fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee "r" : "SP+", v_reg_map.core_location == kLocPhysReg ? 2471fd3346740dfb7f47be9922312b68a4227fada96buzbee v_reg_map.core_reg : SRegOffset(i), 248a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf.c_str()); 249a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2505de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2515de3494e4297c0d480409da3fecee39173f1d4e1buzbee 252a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee/* Dump a mapping table */ 253d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogersvoid Mir2Lir::DumpMappingTable(const char* table_name, const char* descriptor, 254d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const char* name, const Signature& signature, 2551fd3346740dfb7f47be9922312b68a4227fada96buzbee const std::vector<uint32_t>& v) { 256a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee if (v.size() > 0) { 257a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee std::string line(StringPrintf("\n %s %s%s_%s_table[%zu] = {", table_name, 258d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers descriptor, name, signature.ToString().c_str(), v.size())); 259a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee std::replace(line.begin(), line.end(), ';', '_'); 260a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee LOG(INFO) << line; 261a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee for (uint32_t i = 0; i < v.size(); i+=2) { 262a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee line = StringPrintf(" {0x%05x, 0x%04x},", v[i], v[i+1]); 263a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee LOG(INFO) << line; 264a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 265a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee LOG(INFO) <<" };\n\n"; 266a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 267a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee} 268a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee 2695de3494e4297c0d480409da3fecee39173f1d4e1buzbee/* Dump instructions and constant pool contents */ 2702ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::CodegenDump() { 271a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Dumping LIR insns for " 2721fd3346740dfb7f47be9922312b68a4227fada96buzbee << PrettyMethod(cu_->method_idx, *cu_->dex_file); 273fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LIR* lir_insn; 2741fd3346740dfb7f47be9922312b68a4227fada96buzbee int insns_size = cu_->code_item->insns_size_in_code_units_; 2751fd3346740dfb7f47be9922312b68a4227fada96buzbee 2761fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Regs (excluding ins) : " << cu_->num_regs; 2771fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Ins : " << cu_->num_ins; 2781fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Outs : " << cu_->num_outs; 2791fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "CoreSpills : " << num_core_spills_; 2801fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "FPSpills : " << num_fp_spills_; 2811fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "CompilerTemps : " << cu_->num_compiler_temps; 2821fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Frame size : " << frame_size_; 2831fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "code size is " << total_size_ << 284fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee " bytes, Dalvik size is " << insns_size * 2; 285a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "expansion factor: " 2861fd3346740dfb7f47be9922312b68a4227fada96buzbee << static_cast<float>(total_size_) / static_cast<float>(insns_size * 2); 2871fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpPromotionMap(); 2881fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir_insn = first_lir_insn_; lir_insn != NULL; lir_insn = lir_insn->next) { 2891fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpLIRInsn(lir_insn, 0); 290a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2911fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir_insn = literal_list_; lir_insn != NULL; lir_insn = lir_insn->next) { 292fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << StringPrintf("%x (%04x): .word (%#x)", lir_insn->offset, lir_insn->offset, 293fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir_insn->operands[0]); 294a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 295a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 296a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee const DexFile::MethodId& method_id = 2971fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->dex_file->GetMethodId(cu_->method_idx); 298d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const Signature signature = cu_->dex_file->GetMethodSignature(method_id); 299d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const char* name = cu_->dex_file->GetMethodName(method_id); 300d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const char* descriptor(cu_->dex_file->GetMethodDeclaringClassDescriptor(method_id)); 301a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 302a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee // Dump mapping tables 3031fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpMappingTable("PC2Dex_MappingTable", descriptor, name, signature, pc2dex_mapping_table_); 3041fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpMappingTable("Dex2PC_MappingTable", descriptor, name, signature, dex2pc_mapping_table_); 3055de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 3065de3494e4297c0d480409da3fecee39173f1d4e1buzbee 30731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 30831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * Search the existing constants in the literal pool for an exact or close match 30931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * within specified delta (greater or equal to 0). 31031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 3112ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::ScanLiteralPool(LIR* data_target, int value, unsigned int delta) { 312fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_target) { 313fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if ((static_cast<unsigned>(value - data_target->operands[0])) <= delta) 314fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return data_target; 315fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_target = data_target->next; 316a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 317a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 31831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 31931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 32031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* Search the existing constants in the literal pool for an exact wide match */ 3212ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::ScanLiteralPoolWide(LIR* data_target, int val_lo, int val_hi) { 322fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bool lo_match = false; 323fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LIR* lo_target = NULL; 324fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_target) { 325fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lo_match && (data_target->operands[0] == val_hi)) { 3264ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee // Record high word in case we need to expand this later. 3274ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee lo_target->operands[1] = val_hi; 328fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return lo_target; 32931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee } 330fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_match = false; 331fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (data_target->operands[0] == val_lo) { 332fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_match = true; 333fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_target = data_target; 334a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 335fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_target = data_target->next; 336a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 337a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 33831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 33931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 34031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 34131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * The following are building blocks to insert constants into the pool or 34231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * instruction streams. 34331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 34431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 3454ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee/* Add a 32-bit constant to the constant pool */ 3462ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::AddWordData(LIR* *constant_list_p, int value) { 347a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Add the constant to the literal pool */ 348fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (constant_list_p) { 349f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier LIR* new_value = static_cast<LIR*>(arena_->Alloc(sizeof(LIR), ArenaAllocator::kAllocData)); 350fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_value->operands[0] = value; 351fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_value->next = *constant_list_p; 352fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *constant_list_p = new_value; 353b48819db07f9a0992a72173380c24249d7fc648abuzbee estimated_native_code_size_ += sizeof(value); 354fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return new_value; 355a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 356a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 35731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 35831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 35931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* Add a 64-bit constant to the constant pool or mixed with code */ 3602ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::AddWideData(LIR* *constant_list_p, int val_lo, int val_hi) { 3611fd3346740dfb7f47be9922312b68a4227fada96buzbee AddWordData(constant_list_p, val_hi); 3621fd3346740dfb7f47be9922312b68a4227fada96buzbee return AddWordData(constant_list_p, val_lo); 36331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 36431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 365aad94383fc41e8f8770f0b2144f766a2ffa772e7buzbeestatic void PushWord(std::vector<uint8_t>&buf, int data) { 366df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back(data & 0xff); 367df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 8) & 0xff); 368df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 16) & 0xff); 369df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 24) & 0xff); 370e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 371e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 372aad94383fc41e8f8770f0b2144f766a2ffa772e7buzbeestatic void AlignBuffer(std::vector<uint8_t>&buf, size_t offset) { 373a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (buf.size() < offset) { 374a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf.push_back(0); 375a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 376e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 377e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 378e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the literal pool to the output stream */ 3792ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallLiteralPools() { 3801fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, data_offset_); 3811fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* data_lir = literal_list_; 382fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 3831fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, data_lir->operands[0]); 384fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 385a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 386a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Push code and method literals, record offsets for the compiler to patch. 3871fd3346740dfb7f47be9922312b68a4227fada96buzbee data_lir = code_literal_list_; 388fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 389fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t target = data_lir->operands[0]; 3901fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->compiler_driver->AddCodePatch(cu_->dex_file, 3918b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->class_def_idx, 3928b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->method_idx, 3938b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->invoke_type, 3948b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers target, 3958b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers static_cast<InvokeType>(data_lir->operands[1]), 3968b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers code_buffer_.size()); 3971fd3346740dfb7f47be9922312b68a4227fada96buzbee const DexFile::MethodId& id = cu_->dex_file->GetMethodId(target); 398137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // unique based on target to ensure code deduplication works 399137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers uint32_t unique_patch_value = reinterpret_cast<uint32_t>(&id); 4001fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, unique_patch_value); 401fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 402137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers } 4031fd3346740dfb7f47be9922312b68a4227fada96buzbee data_lir = method_literal_list_; 404fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 405fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t target = data_lir->operands[0]; 4061fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->compiler_driver->AddMethodPatch(cu_->dex_file, 4078b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->class_def_idx, 4088b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->method_idx, 4098b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->invoke_type, 4108b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers target, 4118b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers static_cast<InvokeType>(data_lir->operands[1]), 4128b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers code_buffer_.size()); 4131fd3346740dfb7f47be9922312b68a4227fada96buzbee const DexFile::MethodId& id = cu_->dex_file->GetMethodId(target); 414137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // unique based on target to ensure code deduplication works 415137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers uint32_t unique_patch_value = reinterpret_cast<uint32_t>(&id); 4161fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, unique_patch_value); 417fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 418a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 419e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 420e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 421e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the switch tables to the output stream */ 4222ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallSwitchTables() { 423862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 424a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 425862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable* tab_rec = iterator.Next(); 426fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 4271fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, tab_rec->offset); 428a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 429a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * For Arm, our reference point is the address of the bx 430a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * instruction that does the launch, so we have to subtract 431a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * the auto pc-advance. For other targets the reference point 432a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * is a label, so we can use the offset as-is. 433a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 434fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int bx_offset = INVALID_OFFSET; 4351fd3346740dfb7f47be9922312b68a4227fada96buzbee switch (cu_->instruction_set) { 436b046e16d8b8da318d6055f9308950131f1255e08buzbee case kThumb2: 437b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(tab_rec->anchor->flags.fixup != kFixupNone); 438fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = tab_rec->anchor->offset + 4; 439b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 440b046e16d8b8da318d6055f9308950131f1255e08buzbee case kX86: 441fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = 0; 442b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 443b046e16d8b8da318d6055f9308950131f1255e08buzbee case kMips: 444fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = tab_rec->anchor->offset; 445b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 4461fd3346740dfb7f47be9922312b68a4227fada96buzbee default: LOG(FATAL) << "Unexpected instruction set: " << cu_->instruction_set; 447b046e16d8b8da318d6055f9308950131f1255e08buzbee } 4481fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 449fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Switch table for offset 0x" << std::hex << bx_offset; 450a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 451fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 452fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const int* keys = reinterpret_cast<const int*>(&(tab_rec->table[2])); 453fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int elems = 0; elems < tab_rec->table[1]; elems++) { 454fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int disp = tab_rec->targets[elems]->offset - bx_offset; 4551fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 456a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Case[" << elems << "] key: 0x" 457a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << keys[elems] << ", disp: 0x" 458a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << disp; 459e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 4601fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, keys[elems]); 4611fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, 462fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->targets[elems]->offset - bx_offset); 463a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 464a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 465fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK_EQ(static_cast<int>(tab_rec->table[0]), 466a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee static_cast<int>(Instruction::kPackedSwitchSignature)); 467fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int elems = 0; elems < tab_rec->table[1]; elems++) { 468fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int disp = tab_rec->targets[elems]->offset - bx_offset; 4691fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 470a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Case[" << elems << "] disp: 0x" 471a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << disp; 472e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 4731fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, tab_rec->targets[elems]->offset - bx_offset); 474a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 475e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 476a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 477e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 478e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 479e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the fill array dta to the output stream */ 4802ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallFillArrayData() { 481862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<FillArrayData*>::Iterator iterator(&fill_array_data_); 482a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 483862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::FillArrayData *tab_rec = iterator.Next(); 484fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 4851fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, tab_rec->offset); 486fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < (tab_rec->size + 1) / 2; i++) { 487df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom code_buffer_.push_back(tab_rec->table[i] & 0xFF); 488df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom code_buffer_.push_back((tab_rec->table[i] >> 8) & 0xFF); 489e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 490a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 491e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 492e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 4932ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromstatic int AssignLiteralOffsetCommon(LIR* lir, int offset) { 49402c8cc6d1312a2b55533f02f6369dc7c94672f90Brian Carlstrom for (; lir != NULL; lir = lir->next) { 495a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee lir->offset = offset; 496a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset += 4; 497a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 498a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 499e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 500e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 5016459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee// Make sure we have a code address for every declared catch entry 5022ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::VerifyCatchEntries() { 5036459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee bool success = true; 5041fd3346740dfb7f47be9922312b68a4227fada96buzbee for (std::set<uint32_t>::const_iterator it = mir_graph_->catches_.begin(); 5051fd3346740dfb7f47be9922312b68a4227fada96buzbee it != mir_graph_->catches_.end(); ++it) { 506fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t dex_pc = *it; 5076459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee bool found = false; 5081fd3346740dfb7f47be9922312b68a4227fada96buzbee for (size_t i = 0; i < dex2pc_mapping_table_.size(); i += 2) { 5091fd3346740dfb7f47be9922312b68a4227fada96buzbee if (dex_pc == dex2pc_mapping_table_[i+1]) { 5106459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee found = true; 5116459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee break; 5126459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5136459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5146459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee if (!found) { 515fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Missing native PC for catch entry @ 0x" << std::hex << dex_pc; 5166459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee success = false; 5176459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5186459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5196459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee // Now, try in the other direction 5201fd3346740dfb7f47be9922312b68a4227fada96buzbee for (size_t i = 0; i < dex2pc_mapping_table_.size(); i += 2) { 5211fd3346740dfb7f47be9922312b68a4227fada96buzbee uint32_t dex_pc = dex2pc_mapping_table_[i+1]; 5221fd3346740dfb7f47be9922312b68a4227fada96buzbee if (mir_graph_->catches_.find(dex_pc) == mir_graph_->catches_.end()) { 523fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Unexpected catch entry @ dex pc 0x" << std::hex << dex_pc; 5246459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee success = false; 5256459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5266459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5276459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee if (!success) { 5281fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Bad dex2pcMapping table in " << PrettyMethod(cu_->method_idx, *cu_->dex_file); 5291fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Entries @ decode: " << mir_graph_->catches_.size() << ", Entries in table: " 5301fd3346740dfb7f47be9922312b68a4227fada96buzbee << dex2pc_mapping_table_.size()/2; 5316459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5326459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee return success; 5336459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee} 5346459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee 535311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee 5362ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::CreateMappingTables() { 5371fd3346740dfb7f47be9922312b68a4227fada96buzbee for (LIR* tgt_lir = first_lir_insn_; tgt_lir != NULL; tgt_lir = NEXT_LIR(tgt_lir)) { 538fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoSafepointPC)) { 5391fd3346740dfb7f47be9922312b68a4227fada96buzbee pc2dex_mapping_table_.push_back(tgt_lir->offset); 5401fd3346740dfb7f47be9922312b68a4227fada96buzbee pc2dex_mapping_table_.push_back(tgt_lir->dalvik_offset); 541a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 542fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoExportedPC)) { 5431fd3346740dfb7f47be9922312b68a4227fada96buzbee dex2pc_mapping_table_.push_back(tgt_lir->offset); 5441fd3346740dfb7f47be9922312b68a4227fada96buzbee dex2pc_mapping_table_.push_back(tgt_lir->dalvik_offset); 545e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 546a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 547311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee if (kIsDebugBuild) { 54896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK(VerifyCatchEntries()); 54996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 55096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(pc2dex_mapping_table_.size() & 1, 0U); 55196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(dex2pc_mapping_table_.size() & 1, 0U); 55296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers uint32_t total_entries = (pc2dex_mapping_table_.size() + dex2pc_mapping_table_.size()) / 2; 55396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers uint32_t pc2dex_entries = pc2dex_mapping_table_.size() / 2; 55496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.PushBack(total_entries); 55596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.PushBack(pc2dex_entries); 55696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.InsertBack(pc2dex_mapping_table_.begin(), pc2dex_mapping_table_.end()); 55796faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers encoded_mapping_table_.InsertBack(dex2pc_mapping_table_.begin(), dex2pc_mapping_table_.end()); 55896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers if (kIsDebugBuild) { 55996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers // Verify the encoded table holds the expected data. 56096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers MappingTable table(&encoded_mapping_table_.GetData()[0]); 56196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.TotalSize(), total_entries); 56296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.PcToDexSize(), pc2dex_entries); 56396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.DexToPcSize(), dex2pc_mapping_table_.size() / 2); 56496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers MappingTable::PcToDexIterator it = table.PcToDexBegin(); 56596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers for (uint32_t i = 0; i < pc2dex_mapping_table_.size(); ++i, ++it) { 56696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(pc2dex_mapping_table_.at(i), it.NativePcOffset()); 56796faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers ++i; 56896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(pc2dex_mapping_table_.at(i), it.DexPc()); 56996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 57096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers MappingTable::DexToPcIterator it2 = table.DexToPcBegin(); 57196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers for (uint32_t i = 0; i < dex2pc_mapping_table_.size(); ++i, ++it2) { 57296faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(dex2pc_mapping_table_.at(i), it2.NativePcOffset()); 57396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers ++i; 57496faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(dex2pc_mapping_table_.at(i), it2.DexPc()); 57596faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 576311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee } 577e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 578e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 5790c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogersclass NativePcToReferenceMapBuilder { 5800c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers public: 5810c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers NativePcToReferenceMapBuilder(std::vector<uint8_t>* table, 5820c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t entries, uint32_t max_native_offset, 5830c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t references_width) : entries_(entries), 5840c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers references_width_(references_width), in_use_(entries), 5850c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table_(table) { 5860c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Compute width in bytes needed to hold max_native_offset. 5870c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset_width_ = 0; 5880c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers while (max_native_offset != 0) { 5890c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset_width_++; 5900c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers max_native_offset >>= 8; 5910c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 5920c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Resize table and set up header. 5930c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table->resize((EntryWidth() * entries) + sizeof(uint32_t)); 594000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers CHECK_LT(native_offset_width_, 1U << 3); 595000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[0] = native_offset_width_ & 7; 596000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers CHECK_LT(references_width_, 1U << 13); 597000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[0] |= (references_width_ << 3) & 0xFF; 598000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[1] = (references_width_ >> 5) & 0xFF; 5990c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers CHECK_LT(entries, 1U << 16); 6000c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table)[2] = entries & 0xFF; 6010c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table)[3] = (entries >> 8) & 0xFF; 6020c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6030c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6040c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void AddEntry(uint32_t native_offset, const uint8_t* references) { 6050c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_index = TableIndex(native_offset); 6060c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers while (in_use_[table_index]) { 6070c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table_index = (table_index + 1) % entries_; 6080c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6090c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers in_use_[table_index] = true; 6100c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers SetNativeOffset(table_index, native_offset); 6110c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers DCHECK_EQ(native_offset, GetNativeOffset(table_index)); 6120c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers SetReferences(table_index, references); 6130c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6140c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6150c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers private: 6160c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t TableIndex(uint32_t native_offset) { 6170c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return NativePcOffsetToReferenceMap::Hash(native_offset) % entries_; 6180c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6190c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6200c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t GetNativeOffset(size_t table_index) { 6210c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = 0; 6220c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 6230c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < native_offset_width_; i++) { 6240c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset |= (*table_)[table_offset + i] << (i * 8); 6250c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6260c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_offset; 6270c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6280c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6290c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void SetNativeOffset(size_t table_index, uint32_t native_offset) { 6300c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 6310c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < native_offset_width_; i++) { 6320c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table_)[table_offset + i] = (native_offset >> (i * 8)) & 0xFF; 6330c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6340c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6350c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6360c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void SetReferences(size_t table_index, const uint8_t* references) { 6370c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 6380c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers memcpy(&(*table_)[table_offset + native_offset_width_], references, references_width_); 6390c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6400c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6410c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t EntryWidth() const { 6420c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_offset_width_ + references_width_; 6430c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6440c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6450c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of entries in the table. 6460c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const size_t entries_; 6470c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of bytes used to encode the reference bitmap. 6480c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const size_t references_width_; 6490c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of bytes used to encode a native offset. 6500c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t native_offset_width_; 6510c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Entries that are in use. 6520c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers std::vector<bool> in_use_; 6530c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // The table we're building. 6540c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers std::vector<uint8_t>* const table_; 6550c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers}; 6560c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6571fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::CreateNativeGcMap() { 6581fd3346740dfb7f47be9922312b68a4227fada96buzbee const std::vector<uint32_t>& mapping_table = pc2dex_mapping_table_; 6590c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t max_native_offset = 0; 6600c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < mapping_table.size(); i += 2) { 6610c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = mapping_table[i + 0]; 6620c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers if (native_offset > max_native_offset) { 6630c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers max_native_offset = native_offset; 6640c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6650c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 66651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom MethodReference method_ref(cu_->dex_file, cu_->method_idx); 6670c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const std::vector<uint8_t>* gc_map_raw = verifier::MethodVerifier::GetDexGcMap(method_ref); 6680c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers verifier::DexPcToReferenceMap dex_gc_map(&(*gc_map_raw)[4], gc_map_raw->size() - 4); 6690c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Compute native offset to references size. 6701fd3346740dfb7f47be9922312b68a4227fada96buzbee NativePcToReferenceMapBuilder native_gc_map_builder(&native_gc_map_, 6710c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers mapping_table.size() / 2, max_native_offset, 6720c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers dex_gc_map.RegWidth()); 6730c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 6740c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < mapping_table.size(); i += 2) { 6750c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = mapping_table[i + 0]; 6760c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t dex_pc = mapping_table[i + 1]; 6770c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const uint8_t* references = dex_gc_map.FindBitMap(dex_pc, false); 678a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee CHECK(references != NULL) << "Missing ref for dex pc 0x" << std::hex << dex_pc; 679a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee native_gc_map_builder.AddEntry(native_offset, references); 6800c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6810c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers} 6820c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 683e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Determine the offset of each literal field */ 6842ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignLiteralOffset(int offset) { 6851fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(literal_list_, offset); 6861fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(code_literal_list_, offset); 6871fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(method_literal_list_, offset); 688a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 689e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 690e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 6912ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignSwitchTablesOffset(int offset) { 692862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 693a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 694862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable *tab_rec = iterator.Next(); 695fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 696fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->offset = offset; 697fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 698fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->table[1] * (sizeof(int) * 2); 699a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 700fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK_EQ(static_cast<int>(tab_rec->table[0]), 701a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee static_cast<int>(Instruction::kPackedSwitchSignature)); 702fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->table[1] * sizeof(int); 703e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 704a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 705a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 706e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 707e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7082ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint Mir2Lir::AssignFillArrayDataOffset(int offset) { 709862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<FillArrayData*>::Iterator iterator(&fill_array_data_); 710a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 711862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::FillArrayData *tab_rec = iterator.Next(); 712fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 713fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->offset = offset; 714fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->size; 715a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // word align 716a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset = (offset + 3) & ~3; 717a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 718a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 719e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 720e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 72131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 72231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * Insert a kPseudoCaseLabel at the beginning of the Dalvik 723b48819db07f9a0992a72173380c24249d7fc648abuzbee * offset vaddr if pretty-printing, otherise use the standard block 724b48819db07f9a0992a72173380c24249d7fc648abuzbee * label. The selected label will be used to fix up the case 725252254b130067cd7a5071865e793966871ae0246buzbee * branch table during the assembly phase. All resource flags 726252254b130067cd7a5071865e793966871ae0246buzbee * are set to prevent code motion. KeyVal is just there for debugging. 72731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 7282ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::InsertCaseLabel(int vaddr, int keyVal) { 729252254b130067cd7a5071865e793966871ae0246buzbee LIR* boundary_lir = &block_label_list_[mir_graph_->FindBlock(vaddr)->id]; 730b48819db07f9a0992a72173380c24249d7fc648abuzbee LIR* res = boundary_lir; 731b48819db07f9a0992a72173380c24249d7fc648abuzbee if (cu_->verbose) { 732b48819db07f9a0992a72173380c24249d7fc648abuzbee // Only pay the expense if we're pretty-printing. 733b48819db07f9a0992a72173380c24249d7fc648abuzbee LIR* new_label = static_cast<LIR*>(arena_->Alloc(sizeof(LIR), ArenaAllocator::kAllocLIR)); 734b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->dalvik_offset = vaddr; 735b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->opcode = kPseudoCaseLabel; 736b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->operands[0] = keyVal; 737b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->flags.fixup = kFixupLabel; 738b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!new_label->flags.use_def_invalid); 739b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->u.m.def_mask = ENCODE_ALL; 740b48819db07f9a0992a72173380c24249d7fc648abuzbee InsertLIRAfter(boundary_lir, new_label); 741b48819db07f9a0992a72173380c24249d7fc648abuzbee res = new_label; 742b48819db07f9a0992a72173380c24249d7fc648abuzbee } 743b48819db07f9a0992a72173380c24249d7fc648abuzbee return res; 74431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 74531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 7462ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::MarkPackedCaseLabels(Mir2Lir::SwitchTable *tab_rec) { 747fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const uint16_t* table = tab_rec->table; 748fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int base_vaddr = tab_rec->vaddr; 749cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int *targets = reinterpret_cast<const int*>(&table[4]); 750a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 751fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_key = s4FromSwitchData(&table[2]); 752a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 7531fd3346740dfb7f47be9922312b68a4227fada96buzbee tab_rec->targets[i] = InsertCaseLabel(base_vaddr + targets[i], i + low_key); 754a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 75531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 75631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 7572ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::MarkSparseCaseLabels(Mir2Lir::SwitchTable *tab_rec) { 758fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const uint16_t* table = tab_rec->table; 759fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int base_vaddr = tab_rec->vaddr; 760a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 761cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* keys = reinterpret_cast<const int*>(&table[2]); 762cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* targets = &keys[entries]; 763a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 7641fd3346740dfb7f47be9922312b68a4227fada96buzbee tab_rec->targets[i] = InsertCaseLabel(base_vaddr + targets[i], keys[i]); 765a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 76631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 76731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 7682ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::ProcessSwitchTables() { 769862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 770a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 771862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable *tab_rec = iterator.Next(); 772fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 773fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kPackedSwitchSignature) { 7741fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkPackedCaseLabels(tab_rec); 775fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee } else if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 7761fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkSparseCaseLabels(tab_rec); 777a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 778a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(FATAL) << "Invalid switch table"; 77931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee } 780a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 78131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 78231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 7832ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpSparseSwitchTable(const uint16_t* table) { 784a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 785a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Sparse switch data format: 786a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort ident = 0x0200 magic value 787a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort size number of entries in the table; > 0 788a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int keys[size] keys, sorted low-to-high; 32-bit aligned 789a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int targets[size] branch targets, relative to switch opcode 790a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * 791a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Total size is (2+size*4) 16-bit code units. 792a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 793eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint16_t ident = table[0]; 794a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 795cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* keys = reinterpret_cast<const int*>(&table[2]); 796cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* targets = &keys[entries]; 797a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Sparse switch table - ident:0x" << std::hex << ident 798a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << ", entries: " << std::dec << entries; 799a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 800a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Key[" << keys[i] << "] -> 0x" << std::hex << targets[i]; 801a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 80231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 80331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8042ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpPackedSwitchTable(const uint16_t* table) { 805a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 806a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Packed switch data format: 807a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort ident = 0x0100 magic value 808a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort size number of entries in the table 809a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int first_key first (and lowest) switch case value 810a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int targets[size] branch targets, relative to switch opcode 811a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * 812a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Total size is (4+size*2) 16-bit code units. 813a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 814eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint16_t ident = table[0]; 815cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee const int* targets = reinterpret_cast<const int*>(&table[4]); 816a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 817fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_key = s4FromSwitchData(&table[2]); 818a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Packed switch table - ident:0x" << std::hex << ident 819fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee << ", entries: " << std::dec << entries << ", low_key: " << low_key; 820a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 821fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << " Key[" << (i + low_key) << "] -> 0x" << std::hex 822a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << targets[i]; 823a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 82431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 825e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 826252254b130067cd7a5071865e793966871ae0246buzbee/* Set up special LIR to mark a Dalvik byte-code instruction start for pretty printing */ 827252254b130067cd7a5071865e793966871ae0246buzbeevoid Mir2Lir::MarkBoundary(int offset, const char* inst_str) { 828252254b130067cd7a5071865e793966871ae0246buzbee NewLIR1(kPseudoDalvikByteCodeBoundary, reinterpret_cast<uintptr_t>(inst_str)); 829d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee} 830e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 8312ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::EvaluateBranch(Instruction::Code opcode, int32_t src1, int32_t src2) { 832e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee bool is_taken; 833e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee switch (opcode) { 834e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_EQ: is_taken = (src1 == src2); break; 835e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_NE: is_taken = (src1 != src2); break; 836e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LT: is_taken = (src1 < src2); break; 837e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GE: is_taken = (src1 >= src2); break; 838e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GT: is_taken = (src1 > src2); break; 839e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LE: is_taken = (src1 <= src2); break; 840e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_EQZ: is_taken = (src1 == 0); break; 841e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_NEZ: is_taken = (src1 != 0); break; 842e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LTZ: is_taken = (src1 < 0); break; 843e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GEZ: is_taken = (src1 >= 0); break; 844e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GTZ: is_taken = (src1 > 0); break; 845e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LEZ: is_taken = (src1 <= 0); break; 846e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee default: 847e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee LOG(FATAL) << "Unexpected opcode " << opcode; 848e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee is_taken = false; 849e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee } 850e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee return is_taken; 851e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee} 852e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee 8534ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee// Convert relation of src1/src2 to src2/src1 8541fd3346740dfb7f47be9922312b68a4227fada96buzbeeConditionCode Mir2Lir::FlipComparisonOrder(ConditionCode before) { 8554ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee ConditionCode res; 8564ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee switch (before) { 8574ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondEq: res = kCondEq; break; 8584ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondNe: res = kCondNe; break; 8594ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondLt: res = kCondGt; break; 8604ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondGt: res = kCondLt; break; 8614ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondLe: res = kCondGe; break; 8624ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondGe: res = kCondLe; break; 8634ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee default: 8644ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee res = static_cast<ConditionCode>(0); 8654ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee LOG(FATAL) << "Unexpected ccode " << before; 8664ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 8674ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return res; 8684ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee} 8694ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee 870862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee// TODO: move to mir_to_lir.cc 871862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbeeMir2Lir::Mir2Lir(CompilationUnit* cu, MIRGraph* mir_graph, ArenaAllocator* arena) 8726282dc12440a2072dc06a616160027ff21bd895eIan Rogers : Backend(arena), 8736282dc12440a2072dc06a616160027ff21bd895eIan Rogers literal_list_(NULL), 8741fd3346740dfb7f47be9922312b68a4227fada96buzbee method_literal_list_(NULL), 8751fd3346740dfb7f47be9922312b68a4227fada96buzbee code_literal_list_(NULL), 876b48819db07f9a0992a72173380c24249d7fc648abuzbee first_fixup_(NULL), 8771fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_(cu), 8781fd3346740dfb7f47be9922312b68a4227fada96buzbee mir_graph_(mir_graph), 879862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee switch_tables_(arena, 4, kGrowableArraySwitchTables), 880862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee fill_array_data_(arena, 4, kGrowableArrayFillArrayData), 881862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee throw_launchpads_(arena, 2048, kGrowableArrayThrowLaunchPads), 882862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee suspend_launchpads_(arena, 4, kGrowableArraySuspendLaunchPads), 883862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee intrinsic_launchpads_(arena, 2048, kGrowableArrayMisc), 884bd663de599b16229085759366c56e2ed5a1dc7ecbuzbee tempreg_info_(arena, 20, kGrowableArrayMisc), 885bd663de599b16229085759366c56e2ed5a1dc7ecbuzbee reginfo_map_(arena, 64, kGrowableArrayMisc), 8861fd3346740dfb7f47be9922312b68a4227fada96buzbee data_offset_(0), 8871fd3346740dfb7f47be9922312b68a4227fada96buzbee total_size_(0), 8881fd3346740dfb7f47be9922312b68a4227fada96buzbee block_label_list_(NULL), 889862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee current_dalvik_offset_(0), 890b48819db07f9a0992a72173380c24249d7fc648abuzbee estimated_native_code_size_(0), 891862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee reg_pool_(NULL), 8921fd3346740dfb7f47be9922312b68a4227fada96buzbee live_sreg_(0), 8931fd3346740dfb7f47be9922312b68a4227fada96buzbee num_core_spills_(0), 8941fd3346740dfb7f47be9922312b68a4227fada96buzbee num_fp_spills_(0), 8951fd3346740dfb7f47be9922312b68a4227fada96buzbee frame_size_(0), 8961fd3346740dfb7f47be9922312b68a4227fada96buzbee core_spill_mask_(0), 8971fd3346740dfb7f47be9922312b68a4227fada96buzbee fp_spill_mask_(0), 8981fd3346740dfb7f47be9922312b68a4227fada96buzbee first_lir_insn_(NULL), 8992ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom last_lir_insn_(NULL) { 9001fd3346740dfb7f47be9922312b68a4227fada96buzbee promotion_map_ = static_cast<PromotionMap*> 901f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier (arena_->Alloc((cu_->num_dalvik_registers + cu_->num_compiler_temps + 1) * 902f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier sizeof(promotion_map_[0]), ArenaAllocator::kAllocRegAlloc)); 9031fd3346740dfb7f47be9922312b68a4227fada96buzbee} 9041fd3346740dfb7f47be9922312b68a4227fada96buzbee 9051fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::Materialize() { 9061fd3346740dfb7f47be9922312b68a4227fada96buzbee CompilerInitializeRegAlloc(); // Needs to happen after SSA naming 9071fd3346740dfb7f47be9922312b68a4227fada96buzbee 9081fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Allocate Registers using simple local allocation scheme */ 9091fd3346740dfb7f47be9922312b68a4227fada96buzbee SimpleRegAlloc(); 9101fd3346740dfb7f47be9922312b68a4227fada96buzbee 911479f83c196d5a95e36196eac548dc6019e70a5bebuzbee if (mir_graph_->IsSpecialCase()) { 9121fd3346740dfb7f47be9922312b68a4227fada96buzbee /* 9131fd3346740dfb7f47be9922312b68a4227fada96buzbee * Custom codegen for special cases. If for any reason the 9141fd3346740dfb7f47be9922312b68a4227fada96buzbee * special codegen doesn't succeed, first_lir_insn_ will 9151fd3346740dfb7f47be9922312b68a4227fada96buzbee * set to NULL; 9161fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 917479f83c196d5a95e36196eac548dc6019e70a5bebuzbee SpecialMIR2LIR(mir_graph_->GetSpecialCase()); 9181fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9191fd3346740dfb7f47be9922312b68a4227fada96buzbee 9201fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Convert MIR to LIR, etc. */ 9211fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_ == NULL) { 9221fd3346740dfb7f47be9922312b68a4227fada96buzbee MethodMIR2LIR(); 9231fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9241fd3346740dfb7f47be9922312b68a4227fada96buzbee 9251fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Method is not empty */ 9261fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_) { 9271fd3346740dfb7f47be9922312b68a4227fada96buzbee // mark the targets of switch statement case labels 9281fd3346740dfb7f47be9922312b68a4227fada96buzbee ProcessSwitchTables(); 9291fd3346740dfb7f47be9922312b68a4227fada96buzbee 9301fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Convert LIR into machine code. */ 9311fd3346740dfb7f47be9922312b68a4227fada96buzbee AssembleLIR(); 9321fd3346740dfb7f47be9922312b68a4227fada96buzbee 9331fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 9341fd3346740dfb7f47be9922312b68a4227fada96buzbee CodegenDump(); 9351fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9361fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9371fd3346740dfb7f47be9922312b68a4227fada96buzbee} 9381fd3346740dfb7f47be9922312b68a4227fada96buzbee 9391fd3346740dfb7f47be9922312b68a4227fada96buzbeeCompiledMethod* Mir2Lir::GetCompiledMethod() { 9401fd3346740dfb7f47be9922312b68a4227fada96buzbee // Combine vmap tables - core regs, then fp regs - into vmap_table 94196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers std::vector<uint16_t> raw_vmap_table; 9421fd3346740dfb7f47be9922312b68a4227fada96buzbee // Core regs may have been inserted out of order - sort first 9431fd3346740dfb7f47be9922312b68a4227fada96buzbee std::sort(core_vmap_table_.begin(), core_vmap_table_.end()); 944193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier for (size_t i = 0 ; i < core_vmap_table_.size(); ++i) { 9451fd3346740dfb7f47be9922312b68a4227fada96buzbee // Copy, stripping out the phys register sort key 94696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers raw_vmap_table.push_back(~(-1 << VREG_NUM_WIDTH) & core_vmap_table_[i]); 9471fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9481fd3346740dfb7f47be9922312b68a4227fada96buzbee // If we have a frame, push a marker to take place of lr 9491fd3346740dfb7f47be9922312b68a4227fada96buzbee if (frame_size_ > 0) { 95096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers raw_vmap_table.push_back(INVALID_VREG); 9511fd3346740dfb7f47be9922312b68a4227fada96buzbee } else { 9521fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(__builtin_popcount(core_spill_mask_), 0); 9531fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(__builtin_popcount(fp_spill_mask_), 0); 9541fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9551fd3346740dfb7f47be9922312b68a4227fada96buzbee // Combine vmap tables - core regs, then fp regs. fp regs already sorted 9561fd3346740dfb7f47be9922312b68a4227fada96buzbee for (uint32_t i = 0; i < fp_vmap_table_.size(); i++) { 95796faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers raw_vmap_table.push_back(fp_vmap_table_[i]); 95896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 95996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers UnsignedLeb128EncodingVector vmap_encoder; 96096faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers // Prefix the encoded data with its size. 96196faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers vmap_encoder.PushBack(raw_vmap_table.size()); 962193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier for (uint16_t cur : raw_vmap_table) { 963193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier vmap_encoder.PushBack(cur); 9641fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9651fd3346740dfb7f47be9922312b68a4227fada96buzbee CompiledMethod* result = 966193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier new CompiledMethod(*cu_->compiler_driver, cu_->instruction_set, code_buffer_, frame_size_, 967193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier core_spill_mask_, fp_spill_mask_, encoded_mapping_table_.GetData(), 968193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier vmap_encoder.GetData(), native_gc_map_); 9691fd3346740dfb7f47be9922312b68a4227fada96buzbee return result; 9701fd3346740dfb7f47be9922312b68a4227fada96buzbee} 9711fd3346740dfb7f47be9922312b68a4227fada96buzbee 9721fd3346740dfb7f47be9922312b68a4227fada96buzbeeint Mir2Lir::ComputeFrameSize() { 9731fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Figure out the frame size */ 9741fd3346740dfb7f47be9922312b68a4227fada96buzbee static const uint32_t kAlignMask = kStackAlignment - 1; 9751fd3346740dfb7f47be9922312b68a4227fada96buzbee uint32_t size = (num_core_spills_ + num_fp_spills_ + 9761fd3346740dfb7f47be9922312b68a4227fada96buzbee 1 /* filler word */ + cu_->num_regs + cu_->num_outs + 9771fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->num_compiler_temps + 1 /* cur_method* */) 9781fd3346740dfb7f47be9922312b68a4227fada96buzbee * sizeof(uint32_t); 9791fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Align and set */ 9801fd3346740dfb7f47be9922312b68a4227fada96buzbee return (size + kAlignMask) & ~(kAlignMask); 9811fd3346740dfb7f47be9922312b68a4227fada96buzbee} 9821fd3346740dfb7f47be9922312b68a4227fada96buzbee 9831fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 9841fd3346740dfb7f47be9922312b68a4227fada96buzbee * Append an LIR instruction to the LIR list maintained by a compilation 9851fd3346740dfb7f47be9922312b68a4227fada96buzbee * unit 9861fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 9872ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::AppendLIR(LIR* lir) { 9881fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_ == NULL) { 9891fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(last_lir_insn_ == NULL); 9901fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_ = first_lir_insn_ = lir; 9911fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->prev = lir->next = NULL; 9921fd3346740dfb7f47be9922312b68a4227fada96buzbee } else { 9931fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_->next = lir; 9941fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->prev = last_lir_insn_; 9951fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->next = NULL; 9961fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_ = lir; 9971fd3346740dfb7f47be9922312b68a4227fada96buzbee } 9981fd3346740dfb7f47be9922312b68a4227fada96buzbee} 9991fd3346740dfb7f47be9922312b68a4227fada96buzbee 10001fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 10011fd3346740dfb7f47be9922312b68a4227fada96buzbee * Insert an LIR instruction before the current instruction, which cannot be the 10021fd3346740dfb7f47be9922312b68a4227fada96buzbee * first instruction. 10031fd3346740dfb7f47be9922312b68a4227fada96buzbee * 10041fd3346740dfb7f47be9922312b68a4227fada96buzbee * prev_lir <-> new_lir <-> current_lir 10051fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 10062ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InsertLIRBefore(LIR* current_lir, LIR* new_lir) { 10071fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(current_lir->prev != NULL); 10081fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR *prev_lir = current_lir->prev; 10091fd3346740dfb7f47be9922312b68a4227fada96buzbee 10101fd3346740dfb7f47be9922312b68a4227fada96buzbee prev_lir->next = new_lir; 10111fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->prev = prev_lir; 10121fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next = current_lir; 10131fd3346740dfb7f47be9922312b68a4227fada96buzbee current_lir->prev = new_lir; 10141fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10151fd3346740dfb7f47be9922312b68a4227fada96buzbee 10161fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 10171fd3346740dfb7f47be9922312b68a4227fada96buzbee * Insert an LIR instruction after the current instruction, which cannot be the 10181fd3346740dfb7f47be9922312b68a4227fada96buzbee * first instruction. 10191fd3346740dfb7f47be9922312b68a4227fada96buzbee * 10201fd3346740dfb7f47be9922312b68a4227fada96buzbee * current_lir -> new_lir -> old_next 10211fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 10222ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InsertLIRAfter(LIR* current_lir, LIR* new_lir) { 10231fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->prev = current_lir; 10241fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next = current_lir->next; 10251fd3346740dfb7f47be9922312b68a4227fada96buzbee current_lir->next = new_lir; 10261fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next->prev = new_lir; 10271fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10281fd3346740dfb7f47be9922312b68a4227fada96buzbee 10297934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // namespace art 1030