codegen_util.cc revision 2e589aa58a1372909f95e731fd6b8895f6359c3a
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" 225816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko#include "dex/quick/dex_file_method_inliner.h" 235816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko#include "dex/quick/dex_file_to_method_inliner_map.h" 24c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko#include "dex/verification_results.h" 252730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko#include "dex/verified_method.h" 260c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers#include "verifier/dex_gc_map.h" 270c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers#include "verifier/method_verifier.h" 282e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko#include "vmap_table.h" 290c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 30e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbeenamespace art { 31e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 3206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Markonamespace { 3306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko 3406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko/* Dump a mapping table */ 3506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Markotemplate <typename It> 3606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Markovoid DumpMappingTable(const char* table_name, const char* descriptor, const char* name, 3706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko const Signature& signature, uint32_t size, It first) { 3806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (size != 0) { 39107c31e598b649a8bb8d959d6a0377937e63e624Ian Rogers std::string line(StringPrintf("\n %s %s%s_%s_table[%u] = {", table_name, 4006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko descriptor, name, signature.ToString().c_str(), size)); 4106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko std::replace(line.begin(), line.end(), ';', '_'); 4206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko LOG(INFO) << line; 4306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (uint32_t i = 0; i != size; ++i) { 4406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko line = StringPrintf(" {0x%05x, 0x%04x},", first.NativePcOffset(), first.DexPc()); 4506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko ++first; 4606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko LOG(INFO) << line; 4706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 4806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko LOG(INFO) <<" };\n\n"; 4906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 5006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko} 5106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko 5206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko} // anonymous namespace 5306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko 542ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::IsInexpensiveConstant(RegLocation rl_src) { 554ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee bool res = false; 564ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.is_const) { 574ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.wide) { 584ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.fp) { 591fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantDouble(mir_graph_->ConstantValueWide(rl_src)); 604ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } else { 611fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantLong(mir_graph_->ConstantValueWide(rl_src)); 624ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 634ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } else { 644ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (rl_src.fp) { 651fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantFloat(mir_graph_->ConstantValue(rl_src)); 664ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } else { 671fd3346740dfb7f47be9922312b68a4227fada96buzbee res = InexpensiveConstantInt(mir_graph_->ConstantValue(rl_src)); 684ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 694ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 704ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 714ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return res; 724ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee} 734ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee 742ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::MarkSafepointPC(LIR* inst) { 75b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!inst->flags.use_def_invalid); 76b48819db07f9a0992a72173380c24249d7fc648abuzbee inst->u.m.def_mask = ENCODE_ALL; 771fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* safepoint_pc = NewLIR0(kPseudoSafepointPC); 78b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK_EQ(safepoint_pc->u.m.def_mask, ENCODE_ALL); 7902031b185b4653e6c72e21f7a51238b903f6d638buzbee} 8002031b185b4653e6c72e21f7a51238b903f6d638buzbee 819b297bfc588c7d38efd12a6f38cd2710fc513ee3Ian Rogersbool Mir2Lir::FastInstance(uint32_t field_idx, bool is_put, int* field_offset, bool* is_volatile) { 821fd3346740dfb7f47be9922312b68a4227fada96buzbee return cu_->compiler_driver->ComputeInstanceFieldInfo( 839b297bfc588c7d38efd12a6f38cd2710fc513ee3Ian Rogers field_idx, mir_graph_->GetCurrentDexCompilationUnit(), is_put, field_offset, is_volatile); 8402031b185b4653e6c72e21f7a51238b903f6d638buzbee} 8502031b185b4653e6c72e21f7a51238b903f6d638buzbee 86252254b130067cd7a5071865e793966871ae0246buzbee/* Remove a LIR from the list. */ 87252254b130067cd7a5071865e793966871ae0246buzbeevoid Mir2Lir::UnlinkLIR(LIR* lir) { 88252254b130067cd7a5071865e793966871ae0246buzbee if (UNLIKELY(lir == first_lir_insn_)) { 89252254b130067cd7a5071865e793966871ae0246buzbee first_lir_insn_ = lir->next; 90252254b130067cd7a5071865e793966871ae0246buzbee if (lir->next != NULL) { 91252254b130067cd7a5071865e793966871ae0246buzbee lir->next->prev = NULL; 92252254b130067cd7a5071865e793966871ae0246buzbee } else { 93252254b130067cd7a5071865e793966871ae0246buzbee DCHECK(lir->next == NULL); 94252254b130067cd7a5071865e793966871ae0246buzbee DCHECK(lir == last_lir_insn_); 95252254b130067cd7a5071865e793966871ae0246buzbee last_lir_insn_ = NULL; 96252254b130067cd7a5071865e793966871ae0246buzbee } 97252254b130067cd7a5071865e793966871ae0246buzbee } else if (lir == last_lir_insn_) { 98252254b130067cd7a5071865e793966871ae0246buzbee last_lir_insn_ = lir->prev; 99252254b130067cd7a5071865e793966871ae0246buzbee lir->prev->next = NULL; 100252254b130067cd7a5071865e793966871ae0246buzbee } else if ((lir->prev != NULL) && (lir->next != NULL)) { 101252254b130067cd7a5071865e793966871ae0246buzbee lir->prev->next = lir->next; 102252254b130067cd7a5071865e793966871ae0246buzbee lir->next->prev = lir->prev; 103252254b130067cd7a5071865e793966871ae0246buzbee } 104252254b130067cd7a5071865e793966871ae0246buzbee} 105252254b130067cd7a5071865e793966871ae0246buzbee 106cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee/* Convert an instruction to a NOP */ 107df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstromvoid Mir2Lir::NopLIR(LIR* lir) { 108fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->flags.is_nop = true; 109252254b130067cd7a5071865e793966871ae0246buzbee if (!cu_->verbose) { 110252254b130067cd7a5071865e793966871ae0246buzbee UnlinkLIR(lir); 111252254b130067cd7a5071865e793966871ae0246buzbee } 112cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee} 113cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee 1142ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::SetMemRefType(LIR* lir, bool is_load, int mem_type) { 115fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint64_t *mask_ptr; 116f69863b3039fc621ff4250e262d2a024d5e79ec8Brian Carlstrom uint64_t mask = ENCODE_MEM; 1171fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(GetTargetInstFlags(lir->opcode) & (IS_LOAD | IS_STORE)); 118b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!lir->flags.use_def_invalid); 119fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (is_load) { 120b48819db07f9a0992a72173380c24249d7fc648abuzbee mask_ptr = &lir->u.m.use_mask; 121a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 122b48819db07f9a0992a72173380c24249d7fc648abuzbee mask_ptr = &lir->u.m.def_mask; 123a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 124a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Clear out the memref flags */ 125fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr &= ~mask; 126a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* ..and then add back the one we need */ 127fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee switch (mem_type) { 128a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kLiteral: 129fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK(is_load); 130fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_LITERAL; 131a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 132a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kDalvikReg: 133fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_DALVIK_REG; 134a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 135a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kHeapRef: 136fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_HEAP_REF; 137a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 138a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kMustNotAlias: 139a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Currently only loads can be marked as kMustNotAlias */ 1401fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(!(GetTargetInstFlags(lir->opcode) & IS_STORE)); 141fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *mask_ptr |= ENCODE_MUST_NOT_ALIAS; 142a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 143a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee default: 144fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(FATAL) << "Oat: invalid memref kind - " << mem_type; 145a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 14631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 14731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 14831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 149b5d09b2f87202bc132ac3991d4b6d71f4f6d9264Ian Rogers * Mark load/store instructions that access Dalvik registers through the stack. 15031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 1511fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::AnnotateDalvikRegAccess(LIR* lir, int reg_id, bool is_load, 1522ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom bool is64bit) { 1531fd3346740dfb7f47be9922312b68a4227fada96buzbee SetMemRefType(lir, is_load, kDalvikReg); 15431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 155a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 156fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee * Store the Dalvik register id in alias_info. Mark the MSB if it is a 64-bit 157a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * access. 158a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 159b48819db07f9a0992a72173380c24249d7fc648abuzbee lir->flags.alias_info = ENCODE_ALIAS_INFO(reg_id, is64bit); 16031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 16131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 16231a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 1635de3494e4297c0d480409da3fecee39173f1d4e1buzbee * Debugging macros 1645de3494e4297c0d480409da3fecee39173f1d4e1buzbee */ 1655de3494e4297c0d480409da3fecee39173f1d4e1buzbee#define DUMP_RESOURCE_MASK(X) 1665de3494e4297c0d480409da3fecee39173f1d4e1buzbee 1675de3494e4297c0d480409da3fecee39173f1d4e1buzbee/* Pretty-print a LIR instruction */ 1682ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpLIRInsn(LIR* lir, unsigned char* base_addr) { 169a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int offset = lir->offset; 170a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int dest = lir->operands[0]; 1711fd3346740dfb7f47be9922312b68a4227fada96buzbee const bool dump_nop = (cu_->enable_debug & (1 << kDebugShowNops)); 172a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 173a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Handle pseudo-ops individually, and all regular insns as a group */ 174a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee switch (lir->opcode) { 175a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoMethodEntry: 176a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- method entry " 1771fd3346740dfb7f47be9922312b68a4227fada96buzbee << PrettyMethod(cu_->method_idx, *cu_->dex_file); 178a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 179a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoMethodExit: 180a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- Method_Exit"; 181a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 182a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoBarrier: 183a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- BARRIER"; 184a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 185a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoEntryBlock: 186a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- entry offset: 0x" << std::hex << dest; 187a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 188a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoDalvikByteCodeBoundary: 1894ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee if (lir->operands[0] == 0) { 1900d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee // NOTE: only used for debug listings. 1910d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee lir->operands[0] = WrapPointer(ArenaStrdup("No instruction string")); 1924ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 193a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- dalvik offset: 0x" << std::hex 1940b1191cfece83f6f8d4101575a06555a2d13387aBill Buzbee << lir->dalvik_offset << " @ " 1950b1191cfece83f6f8d4101575a06555a2d13387aBill Buzbee << reinterpret_cast<char*>(UnwrapPointer(lir->operands[0])); 196a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 197a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoExitBlock: 198a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "-------- exit offset: 0x" << std::hex << dest; 199a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 200a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoPseudoAlign4: 201fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << reinterpret_cast<uintptr_t>(base_addr) + offset << " (0x" << std::hex 202a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << offset << "): .align4"; 203a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 204a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoEHBlockLabel: 205a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Exception_Handling:"; 206a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 207a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoTargetLabel: 208a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoNormalBlockLabel: 209cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "L" << reinterpret_cast<void*>(lir) << ":"; 210a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 211a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoThrowTarget: 212cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LT" << reinterpret_cast<void*>(lir) << ":"; 213a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 214a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoIntrinsicRetry: 215cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "IR" << reinterpret_cast<void*>(lir) << ":"; 216a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 217a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoSuspendTarget: 218cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LS" << reinterpret_cast<void*>(lir) << ":"; 219a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 2208320f3867c02bae9bef6cdab267820cb7b412781buzbee case kPseudoSafepointPC: 221fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "LsafepointPC_0x" << std::hex << lir->offset << "_" << lir->dalvik_offset << ":"; 2228320f3867c02bae9bef6cdab267820cb7b412781buzbee break; 223a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee case kPseudoExportedPC: 224fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "LexportedPC_0x" << std::hex << lir->offset << "_" << lir->dalvik_offset << ":"; 225a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee break; 226a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee case kPseudoCaseLabel: 227cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee LOG(INFO) << "LC" << reinterpret_cast<void*>(lir) << ": Case target 0x" 228a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << lir->operands[0] << "|" << std::dec << 229a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee lir->operands[0]; 230a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 231a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee default: 232fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lir->flags.is_nop && !dump_nop) { 233a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 234a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 2351fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string op_name(BuildInsnString(GetTargetInstName(lir->opcode), 23602031b185b4653e6c72e21f7a51238b903f6d638buzbee lir, base_addr)); 2371fd3346740dfb7f47be9922312b68a4227fada96buzbee std::string op_operands(BuildInsnString(GetTargetInstFmt(lir->opcode), 23802031b185b4653e6c72e21f7a51238b903f6d638buzbee lir, base_addr)); 239107c31e598b649a8bb8d959d6a0377937e63e624Ian Rogers LOG(INFO) << StringPrintf("%5p: %-9s%s%s", 240107c31e598b649a8bb8d959d6a0377937e63e624Ian Rogers base_addr + offset, 241a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee op_name.c_str(), op_operands.c_str(), 242fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir->flags.is_nop ? "(nop)" : ""); 243a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 244a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee break; 245a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 246a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 247b48819db07f9a0992a72173380c24249d7fc648abuzbee if (lir->u.m.use_mask && (!lir->flags.is_nop || dump_nop)) { 248b48819db07f9a0992a72173380c24249d7fc648abuzbee DUMP_RESOURCE_MASK(DumpResourceMask(lir, lir->u.m.use_mask, "use")); 249a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 250b48819db07f9a0992a72173380c24249d7fc648abuzbee if (lir->u.m.def_mask && (!lir->flags.is_nop || dump_nop)) { 251b48819db07f9a0992a72173380c24249d7fc648abuzbee DUMP_RESOURCE_MASK(DumpResourceMask(lir, lir->u.m.def_mask, "def")); 252a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2535de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2545de3494e4297c0d480409da3fecee39173f1d4e1buzbee 2552ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpPromotionMap() { 256da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru int num_regs = cu_->num_dalvik_registers + mir_graph_->GetNumUsedCompilerTemps(); 257fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < num_regs; i++) { 2581fd3346740dfb7f47be9922312b68a4227fada96buzbee PromotionMap v_reg_map = promotion_map_[i]; 259a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee std::string buf; 260fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (v_reg_map.fp_location == kLocPhysReg) { 2611fd3346740dfb7f47be9922312b68a4227fada96buzbee StringAppendF(&buf, " : s%d", v_reg_map.FpReg & FpRegMask()); 262a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2639c044ce5f76e9bfa17c4c1979e9f8c99ae100695buzbee 264a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee std::string buf3; 2651fd3346740dfb7f47be9922312b68a4227fada96buzbee if (i < cu_->num_dalvik_registers) { 266a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee StringAppendF(&buf3, "%02d", i); 2671fd3346740dfb7f47be9922312b68a4227fada96buzbee } else if (i == mir_graph_->GetMethodSReg()) { 268a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf3 = "Method*"; 269a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 2701fd3346740dfb7f47be9922312b68a4227fada96buzbee StringAppendF(&buf3, "ct%d", i - cu_->num_dalvik_registers); 2715de3494e4297c0d480409da3fecee39173f1d4e1buzbee } 272a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 273a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << StringPrintf("V[%s] -> %s%d%s", buf3.c_str(), 274fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee v_reg_map.core_location == kLocPhysReg ? 275fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee "r" : "SP+", v_reg_map.core_location == kLocPhysReg ? 2761fd3346740dfb7f47be9922312b68a4227fada96buzbee v_reg_map.core_reg : SRegOffset(i), 277a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf.c_str()); 278a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 2795de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 2805de3494e4297c0d480409da3fecee39173f1d4e1buzbee 2815de3494e4297c0d480409da3fecee39173f1d4e1buzbee/* Dump instructions and constant pool contents */ 2822ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::CodegenDump() { 283a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Dumping LIR insns for " 2841fd3346740dfb7f47be9922312b68a4227fada96buzbee << PrettyMethod(cu_->method_idx, *cu_->dex_file); 285fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LIR* lir_insn; 2861fd3346740dfb7f47be9922312b68a4227fada96buzbee int insns_size = cu_->code_item->insns_size_in_code_units_; 2871fd3346740dfb7f47be9922312b68a4227fada96buzbee 2881fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Regs (excluding ins) : " << cu_->num_regs; 2891fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Ins : " << cu_->num_ins; 2901fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Outs : " << cu_->num_outs; 2911fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "CoreSpills : " << num_core_spills_; 2921fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "FPSpills : " << num_fp_spills_; 293da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru LOG(INFO) << "CompilerTemps : " << mir_graph_->GetNumUsedCompilerTemps(); 2941fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Frame size : " << frame_size_; 2951fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "code size is " << total_size_ << 296fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee " bytes, Dalvik size is " << insns_size * 2; 297a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "expansion factor: " 2981fd3346740dfb7f47be9922312b68a4227fada96buzbee << static_cast<float>(total_size_) / static_cast<float>(insns_size * 2); 2991fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpPromotionMap(); 3001fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir_insn = first_lir_insn_; lir_insn != NULL; lir_insn = lir_insn->next) { 3011fd3346740dfb7f47be9922312b68a4227fada96buzbee DumpLIRInsn(lir_insn, 0); 302a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 3031fd3346740dfb7f47be9922312b68a4227fada96buzbee for (lir_insn = literal_list_; lir_insn != NULL; lir_insn = lir_insn->next) { 304fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << StringPrintf("%x (%04x): .word (%#x)", lir_insn->offset, lir_insn->offset, 305fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lir_insn->operands[0]); 306a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 307a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 308a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee const DexFile::MethodId& method_id = 3091fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->dex_file->GetMethodId(cu_->method_idx); 310d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const Signature signature = cu_->dex_file->GetMethodSignature(method_id); 311d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const char* name = cu_->dex_file->GetMethodName(method_id); 312d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers const char* descriptor(cu_->dex_file->GetMethodDeclaringClassDescriptor(method_id)); 313a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee 314a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee // Dump mapping tables 31506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (!encoded_mapping_table_.empty()) { 31606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko MappingTable table(&encoded_mapping_table_[0]); 31706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DumpMappingTable("PC2Dex_MappingTable", descriptor, name, signature, 31806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko table.PcToDexSize(), table.PcToDexBegin()); 31906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DumpMappingTable("Dex2PC_MappingTable", descriptor, name, signature, 32006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko table.DexToPcSize(), table.DexToPcBegin()); 32106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 3225de3494e4297c0d480409da3fecee39173f1d4e1buzbee} 3235de3494e4297c0d480409da3fecee39173f1d4e1buzbee 32431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 32531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * Search the existing constants in the literal pool for an exact or close match 32631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * within specified delta (greater or equal to 0). 32731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 3282ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::ScanLiteralPool(LIR* data_target, int value, unsigned int delta) { 329fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_target) { 330fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if ((static_cast<unsigned>(value - data_target->operands[0])) <= delta) 331fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return data_target; 332fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_target = data_target->next; 333a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 334a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 33531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 33631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 33731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* Search the existing constants in the literal pool for an exact wide match */ 3382ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::ScanLiteralPoolWide(LIR* data_target, int val_lo, int val_hi) { 339fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bool lo_match = false; 340fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LIR* lo_target = NULL; 341fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_target) { 342fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (lo_match && (data_target->operands[0] == val_hi)) { 3434ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee // Record high word in case we need to expand this later. 3444ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee lo_target->operands[1] = val_hi; 345fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return lo_target; 34631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee } 347fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_match = false; 348fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (data_target->operands[0] == val_lo) { 349fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_match = true; 350fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee lo_target = data_target; 351a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 352fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_target = data_target->next; 353a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 354a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 35531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 35631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 35731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 35831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * The following are building blocks to insert constants into the pool or 35931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * instruction streams. 36031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 36131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 3624ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee/* Add a 32-bit constant to the constant pool */ 3632ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::AddWordData(LIR* *constant_list_p, int value) { 364a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* Add the constant to the literal pool */ 365fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (constant_list_p) { 366f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier LIR* new_value = static_cast<LIR*>(arena_->Alloc(sizeof(LIR), ArenaAllocator::kAllocData)); 367fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_value->operands[0] = value; 368fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee new_value->next = *constant_list_p; 369fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee *constant_list_p = new_value; 370b48819db07f9a0992a72173380c24249d7fc648abuzbee estimated_native_code_size_ += sizeof(value); 371fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return new_value; 372a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 373a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return NULL; 37431a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 37531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 37631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* Add a 64-bit constant to the constant pool or mixed with code */ 3772ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromLIR* Mir2Lir::AddWideData(LIR* *constant_list_p, int val_lo, int val_hi) { 3781fd3346740dfb7f47be9922312b68a4227fada96buzbee AddWordData(constant_list_p, val_hi); 3791fd3346740dfb7f47be9922312b68a4227fada96buzbee return AddWordData(constant_list_p, val_lo); 38031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 38131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 382aad94383fc41e8f8770f0b2144f766a2ffa772e7buzbeestatic void PushWord(std::vector<uint8_t>&buf, int data) { 383df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back(data & 0xff); 384df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 8) & 0xff); 385df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 16) & 0xff); 386df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom buf.push_back((data >> 24) & 0xff); 387e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 388e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 3890d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee// Push 8 bytes on 64-bit systems; 4 on 32-bit systems. 3900d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeestatic void PushPointer(std::vector<uint8_t>&buf, void const* pointer) { 3910d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee uintptr_t data = reinterpret_cast<uintptr_t>(pointer); 3920d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee if (sizeof(void*) == sizeof(uint64_t)) { 3930d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee PushWord(buf, (data >> (sizeof(void*) * 4)) & 0xFFFFFFFF); 3940d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee PushWord(buf, data & 0xFFFFFFFF); 3950d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee } else { 3960d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee PushWord(buf, data); 3970d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee } 3980d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee} 3990d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee 400aad94383fc41e8f8770f0b2144f766a2ffa772e7buzbeestatic void AlignBuffer(std::vector<uint8_t>&buf, size_t offset) { 401a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (buf.size() < offset) { 402a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee buf.push_back(0); 403a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 404e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 405e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 406e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the literal pool to the output stream */ 4072ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallLiteralPools() { 4081fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, data_offset_); 4091fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR* data_lir = literal_list_; 410fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 4111fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, data_lir->operands[0]); 412fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 413a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 414a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // Push code and method literals, record offsets for the compiler to patch. 4151fd3346740dfb7f47be9922312b68a4227fada96buzbee data_lir = code_literal_list_; 416fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 417fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t target = data_lir->operands[0]; 4181fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->compiler_driver->AddCodePatch(cu_->dex_file, 4198b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->class_def_idx, 4208b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->method_idx, 4218b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->invoke_type, 4228b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers target, 4238b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers static_cast<InvokeType>(data_lir->operands[1]), 4248b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers code_buffer_.size()); 4251fd3346740dfb7f47be9922312b68a4227fada96buzbee const DexFile::MethodId& id = cu_->dex_file->GetMethodId(target); 4260d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee // unique value based on target to ensure code deduplication works 4270d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee PushPointer(code_buffer_, &id); 428fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 429137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers } 4301fd3346740dfb7f47be9922312b68a4227fada96buzbee data_lir = method_literal_list_; 431fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee while (data_lir != NULL) { 432fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee uint32_t target = data_lir->operands[0]; 4331fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_->compiler_driver->AddMethodPatch(cu_->dex_file, 4348b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->class_def_idx, 4358b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->method_idx, 4368b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers cu_->invoke_type, 4378b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers target, 4388b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers static_cast<InvokeType>(data_lir->operands[1]), 4398b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers code_buffer_.size()); 4401fd3346740dfb7f47be9922312b68a4227fada96buzbee const DexFile::MethodId& id = cu_->dex_file->GetMethodId(target); 4410d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee // unique value based on target to ensure code deduplication works 4420d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee PushPointer(code_buffer_, &id); 443fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee data_lir = NEXT_LIR(data_lir); 444a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 445be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // Push class literals. 446be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi data_lir = class_literal_list_; 447be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi while (data_lir != NULL) { 448be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t target = data_lir->operands[0]; 449be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi cu_->compiler_driver->AddClassPatch(cu_->dex_file, 450be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi cu_->class_def_idx, 451be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi cu_->method_idx, 452be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target, 453be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi code_buffer_.size()); 454be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const DexFile::TypeId& id = cu_->dex_file->GetTypeId(target); 455be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // unique value based on target to ensure code deduplication works 456be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi PushPointer(code_buffer_, &id); 457be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi data_lir = NEXT_LIR(data_lir); 458be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 459e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 460e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 461e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the switch tables to the output stream */ 4622ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallSwitchTables() { 463862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 464a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 465862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable* tab_rec = iterator.Next(); 466fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 4671fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, tab_rec->offset); 468a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 469a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * For Arm, our reference point is the address of the bx 470a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * instruction that does the launch, so we have to subtract 471a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * the auto pc-advance. For other targets the reference point 472a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * is a label, so we can use the offset as-is. 473a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 474fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int bx_offset = INVALID_OFFSET; 4751fd3346740dfb7f47be9922312b68a4227fada96buzbee switch (cu_->instruction_set) { 476b046e16d8b8da318d6055f9308950131f1255e08buzbee case kThumb2: 477b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(tab_rec->anchor->flags.fixup != kFixupNone); 478fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = tab_rec->anchor->offset + 4; 479b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 480b046e16d8b8da318d6055f9308950131f1255e08buzbee case kX86: 481fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = 0; 482b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 483b046e16d8b8da318d6055f9308950131f1255e08buzbee case kMips: 484fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee bx_offset = tab_rec->anchor->offset; 485b046e16d8b8da318d6055f9308950131f1255e08buzbee break; 4861fd3346740dfb7f47be9922312b68a4227fada96buzbee default: LOG(FATAL) << "Unexpected instruction set: " << cu_->instruction_set; 487b046e16d8b8da318d6055f9308950131f1255e08buzbee } 4881fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 489fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << "Switch table for offset 0x" << std::hex << bx_offset; 490a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 491fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 4920d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t* keys = reinterpret_cast<const int32_t*>(&(tab_rec->table[2])); 493fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int elems = 0; elems < tab_rec->table[1]; elems++) { 494fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int disp = tab_rec->targets[elems]->offset - bx_offset; 4951fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 496a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Case[" << elems << "] key: 0x" 497a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << keys[elems] << ", disp: 0x" 498a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << disp; 499e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 5001fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, keys[elems]); 5011fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, 502fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->targets[elems]->offset - bx_offset); 503a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 504a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 505fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK_EQ(static_cast<int>(tab_rec->table[0]), 506a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee static_cast<int>(Instruction::kPackedSwitchSignature)); 507fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int elems = 0; elems < tab_rec->table[1]; elems++) { 508fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int disp = tab_rec->targets[elems]->offset - bx_offset; 5091fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 510a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Case[" << elems << "] disp: 0x" 511a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << std::hex << disp; 512e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 5131fd3346740dfb7f47be9922312b68a4227fada96buzbee PushWord(code_buffer_, tab_rec->targets[elems]->offset - bx_offset); 514a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 515e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 516a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 517e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 518e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 519e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Write the fill array dta to the output stream */ 5202ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InstallFillArrayData() { 521862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<FillArrayData*>::Iterator iterator(&fill_array_data_); 522a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 523862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::FillArrayData *tab_rec = iterator.Next(); 524fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 5251fd3346740dfb7f47be9922312b68a4227fada96buzbee AlignBuffer(code_buffer_, tab_rec->offset); 526fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < (tab_rec->size + 1) / 2; i++) { 527df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom code_buffer_.push_back(tab_rec->table[i] & 0xFF); 528df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom code_buffer_.push_back((tab_rec->table[i] >> 8) & 0xFF); 529e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 530a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 531e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 532e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 5330d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeestatic int AssignLiteralOffsetCommon(LIR* lir, CodeOffset offset) { 53402c8cc6d1312a2b55533f02f6369dc7c94672f90Brian Carlstrom for (; lir != NULL; lir = lir->next) { 535a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee lir->offset = offset; 536a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset += 4; 537a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 538a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 539e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 540e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 5410d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeestatic int AssignLiteralPointerOffsetCommon(LIR* lir, CodeOffset offset) { 5420d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee unsigned int element_size = sizeof(void*); 5430d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee // Align to natural pointer size. 5440d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee offset = (offset + (element_size - 1)) & ~(element_size - 1); 5450d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee for (; lir != NULL; lir = lir->next) { 5460d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee lir->offset = offset; 5470d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee offset += element_size; 5480d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee } 5490d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee return offset; 5500d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee} 5510d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee 5526459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee// Make sure we have a code address for every declared catch entry 5532ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::VerifyCatchEntries() { 55406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko MappingTable table(&encoded_mapping_table_[0]); 55506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko std::vector<uint32_t> dex_pcs; 55606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko dex_pcs.reserve(table.DexToPcSize()); 55706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (auto it = table.DexToPcBegin(), end = table.DexToPcEnd(); it != end; ++it) { 55806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko dex_pcs.push_back(it.DexPc()); 55906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 56006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko // Sort dex_pcs, so that we can quickly check it against the ordered mir_graph_->catches_. 56106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko std::sort(dex_pcs.begin(), dex_pcs.end()); 56206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko 5636459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee bool success = true; 56406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko auto it = dex_pcs.begin(), end = dex_pcs.end(); 56506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (uint32_t dex_pc : mir_graph_->catches_) { 56606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko while (it != end && *it < dex_pc) { 56706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko LOG(INFO) << "Unexpected catch entry @ dex pc 0x" << std::hex << *it; 56806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko ++it; 5696459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee success = false; 5706459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 57106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (it == end || *it > dex_pc) { 57206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko LOG(INFO) << "Missing native PC for catch entry @ 0x" << std::hex << dex_pc; 5736459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee success = false; 57406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } else { 57506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko ++it; 5766459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5776459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5786459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee if (!success) { 5791fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Bad dex2pcMapping table in " << PrettyMethod(cu_->method_idx, *cu_->dex_file); 5801fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(INFO) << "Entries @ decode: " << mir_graph_->catches_.size() << ", Entries in table: " 58106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko << table.DexToPcSize(); 5826459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee } 5836459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee return success; 5846459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee} 5856459e7cb35ca83ffc2f266dddeb83673bc07ecd4buzbee 586311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee 5872ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::CreateMappingTables() { 5881e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t pc2dex_data_size = 0u; 5891e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t pc2dex_entries = 0u; 5901e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t pc2dex_offset = 0u; 5911e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t pc2dex_dalvik_offset = 0u; 5921e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t dex2pc_data_size = 0u; 5931e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t dex2pc_entries = 0u; 5941e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t dex2pc_offset = 0u; 5951e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t dex2pc_dalvik_offset = 0u; 5961fd3346740dfb7f47be9922312b68a4227fada96buzbee for (LIR* tgt_lir = first_lir_insn_; tgt_lir != NULL; tgt_lir = NEXT_LIR(tgt_lir)) { 597fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoSafepointPC)) { 5981e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_entries += 1; 5991e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko DCHECK(pc2dex_offset <= tgt_lir->offset); 6001e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_data_size += UnsignedLeb128Size(tgt_lir->offset - pc2dex_offset); 6011e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_data_size += SignedLeb128Size(static_cast<int32_t>(tgt_lir->dalvik_offset) - 6021e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko static_cast<int32_t>(pc2dex_dalvik_offset)); 6031e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_offset = tgt_lir->offset; 6041e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_dalvik_offset = tgt_lir->dalvik_offset; 605a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee } 606fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoExportedPC)) { 6071e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko dex2pc_entries += 1; 6081e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko DCHECK(dex2pc_offset <= tgt_lir->offset); 6091e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko dex2pc_data_size += UnsignedLeb128Size(tgt_lir->offset - dex2pc_offset); 6101e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko dex2pc_data_size += SignedLeb128Size(static_cast<int32_t>(tgt_lir->dalvik_offset) - 6111e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko static_cast<int32_t>(dex2pc_dalvik_offset)); 6121e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko dex2pc_offset = tgt_lir->offset; 6131e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko dex2pc_dalvik_offset = tgt_lir->dalvik_offset; 614e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 615a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 6161e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko 6171e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t total_entries = pc2dex_entries + dex2pc_entries; 6181e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t hdr_data_size = UnsignedLeb128Size(total_entries) + UnsignedLeb128Size(pc2dex_entries); 6191e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko uint32_t data_size = hdr_data_size + pc2dex_data_size + dex2pc_data_size; 62006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko encoded_mapping_table_.resize(data_size); 62106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko uint8_t* write_pos = &encoded_mapping_table_[0]; 62206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko write_pos = EncodeUnsignedLeb128(write_pos, total_entries); 62306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko write_pos = EncodeUnsignedLeb128(write_pos, pc2dex_entries); 62406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DCHECK_EQ(static_cast<size_t>(write_pos - &encoded_mapping_table_[0]), hdr_data_size); 62506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko uint8_t* write_pos2 = write_pos + pc2dex_data_size; 6261e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko 6271e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_offset = 0u; 6281e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko pc2dex_dalvik_offset = 0u; 62906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko dex2pc_offset = 0u; 63006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko dex2pc_dalvik_offset = 0u; 63106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (LIR* tgt_lir = first_lir_insn_; tgt_lir != NULL; tgt_lir = NEXT_LIR(tgt_lir)) { 63206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoSafepointPC)) { 63306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DCHECK(pc2dex_offset <= tgt_lir->offset); 63406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko write_pos = EncodeUnsignedLeb128(write_pos, tgt_lir->offset - pc2dex_offset); 63506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko write_pos = EncodeSignedLeb128(write_pos, static_cast<int32_t>(tgt_lir->dalvik_offset) - 63606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko static_cast<int32_t>(pc2dex_dalvik_offset)); 63706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko pc2dex_offset = tgt_lir->offset; 63806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko pc2dex_dalvik_offset = tgt_lir->dalvik_offset; 63906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 64006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoExportedPC)) { 64106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DCHECK(dex2pc_offset <= tgt_lir->offset); 64206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko write_pos2 = EncodeUnsignedLeb128(write_pos2, tgt_lir->offset - dex2pc_offset); 64306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko write_pos2 = EncodeSignedLeb128(write_pos2, static_cast<int32_t>(tgt_lir->dalvik_offset) - 64406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko static_cast<int32_t>(dex2pc_dalvik_offset)); 64506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko dex2pc_offset = tgt_lir->offset; 64606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko dex2pc_dalvik_offset = tgt_lir->dalvik_offset; 64706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 6481e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko } 64906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DCHECK_EQ(static_cast<size_t>(write_pos - &encoded_mapping_table_[0]), 65006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko hdr_data_size + pc2dex_data_size); 65106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DCHECK_EQ(static_cast<size_t>(write_pos2 - &encoded_mapping_table_[0]), data_size); 6521e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko 65396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers if (kIsDebugBuild) { 65406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko CHECK(VerifyCatchEntries()); 65506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko 65696faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers // Verify the encoded table holds the expected data. 65706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko MappingTable table(&encoded_mapping_table_[0]); 65896faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.TotalSize(), total_entries); 65996faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers CHECK_EQ(table.PcToDexSize(), pc2dex_entries); 6601e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko auto it = table.PcToDexBegin(); 6611e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko auto it2 = table.DexToPcBegin(); 66206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (LIR* tgt_lir = first_lir_insn_; tgt_lir != NULL; tgt_lir = NEXT_LIR(tgt_lir)) { 66306606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoSafepointPC)) { 66406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko CHECK_EQ(tgt_lir->offset, it.NativePcOffset()); 66506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko CHECK_EQ(tgt_lir->dalvik_offset, it.DexPc()); 66606606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko ++it; 66706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 66806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko if (!tgt_lir->flags.is_nop && (tgt_lir->opcode == kPseudoExportedPC)) { 66906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko CHECK_EQ(tgt_lir->offset, it2.NativePcOffset()); 67006606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko CHECK_EQ(tgt_lir->dalvik_offset, it2.DexPc()); 67106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko ++it2; 67206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko } 67396faf5b363d922ae91cf25404dee0e87c740c7c5Ian Rogers } 67406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko CHECK(it == table.PcToDexEnd()); 6751e6cb63d77090ddc6aa19c755d7066f66e9ff87eVladimir Marko CHECK(it2 == table.DexToPcEnd()); 676311ca169f4727d46a55bdc8dfa0059719fa72b65buzbee } 677e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 678e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 6790c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogersclass NativePcToReferenceMapBuilder { 6800c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers public: 6810c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers NativePcToReferenceMapBuilder(std::vector<uint8_t>* table, 6820c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t entries, uint32_t max_native_offset, 6830c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t references_width) : entries_(entries), 6840c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers references_width_(references_width), in_use_(entries), 6850c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table_(table) { 6860c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Compute width in bytes needed to hold max_native_offset. 6870c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset_width_ = 0; 6880c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers while (max_native_offset != 0) { 6890c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset_width_++; 6900c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers max_native_offset >>= 8; 6910c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 6920c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Resize table and set up header. 6930c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table->resize((EntryWidth() * entries) + sizeof(uint32_t)); 694000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers CHECK_LT(native_offset_width_, 1U << 3); 695000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[0] = native_offset_width_ & 7; 696000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers CHECK_LT(references_width_, 1U << 13); 697000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[0] |= (references_width_ << 3) & 0xFF; 698000d724207b4ff32fcbc9744da76d2f594675eedIan Rogers (*table)[1] = (references_width_ >> 5) & 0xFF; 6990c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers CHECK_LT(entries, 1U << 16); 7000c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table)[2] = entries & 0xFF; 7010c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table)[3] = (entries >> 8) & 0xFF; 7020c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7030c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7040c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void AddEntry(uint32_t native_offset, const uint8_t* references) { 7050c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_index = TableIndex(native_offset); 7060c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers while (in_use_[table_index]) { 7070c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers table_index = (table_index + 1) % entries_; 7080c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7090c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers in_use_[table_index] = true; 7100d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee SetCodeOffset(table_index, native_offset); 7110d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee DCHECK_EQ(native_offset, GetCodeOffset(table_index)); 7120c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers SetReferences(table_index, references); 7130c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7140c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7150c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers private: 7160c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t TableIndex(uint32_t native_offset) { 7170c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return NativePcOffsetToReferenceMap::Hash(native_offset) % entries_; 7180c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7190c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7200d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee uint32_t GetCodeOffset(size_t table_index) { 7210c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_offset = 0; 7220c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 7230c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < native_offset_width_; i++) { 7240c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers native_offset |= (*table_)[table_offset + i] << (i * 8); 7250c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7260c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_offset; 7270c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7280c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7290d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee void SetCodeOffset(size_t table_index, uint32_t native_offset) { 7300c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 7310c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers for (size_t i = 0; i < native_offset_width_; i++) { 7320c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers (*table_)[table_offset + i] = (native_offset >> (i * 8)) & 0xFF; 7330c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7340c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7350c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7360c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers void SetReferences(size_t table_index, const uint8_t* references) { 7370c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t table_offset = (table_index * EntryWidth()) + sizeof(uint32_t); 7380c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers memcpy(&(*table_)[table_offset + native_offset_width_], references, references_width_); 7390c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7400c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7410c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t EntryWidth() const { 7420c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_offset_width_ + references_width_; 7430c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7440c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7450c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of entries in the table. 7460c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const size_t entries_; 7470c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of bytes used to encode the reference bitmap. 7480c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const size_t references_width_; 7490c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Number of bytes used to encode a native offset. 7500c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers size_t native_offset_width_; 7510c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Entries that are in use. 7520c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers std::vector<bool> in_use_; 7530c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // The table we're building. 7540c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers std::vector<uint8_t>* const table_; 7550c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers}; 7560c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 7571fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::CreateNativeGcMap() { 75806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko DCHECK(!encoded_mapping_table_.empty()); 75906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko MappingTable mapping_table(&encoded_mapping_table_[0]); 7600c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t max_native_offset = 0; 76106606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (auto it = mapping_table.PcToDexBegin(), end = mapping_table.PcToDexEnd(); it != end; ++it) { 76206606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko uint32_t native_offset = it.NativePcOffset(); 7630c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers if (native_offset > max_native_offset) { 7640c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers max_native_offset = native_offset; 7650c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7660c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 76751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom MethodReference method_ref(cu_->dex_file, cu_->method_idx); 7682730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko const std::vector<uint8_t>& gc_map_raw = 7692730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko mir_graph_->GetCurrentDexCompilationUnit()->GetVerifiedMethod()->GetDexGcMap(); 7702730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko verifier::DexPcToReferenceMap dex_gc_map(&(gc_map_raw)[0]); 7712730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko DCHECK_EQ(gc_map_raw.size(), dex_gc_map.RawSize()); 7720c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers // Compute native offset to references size. 7731fd3346740dfb7f47be9922312b68a4227fada96buzbee NativePcToReferenceMapBuilder native_gc_map_builder(&native_gc_map_, 77406606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko mapping_table.PcToDexSize(), 77506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko max_native_offset, dex_gc_map.RegWidth()); 7760c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 77706606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko for (auto it = mapping_table.PcToDexBegin(), end = mapping_table.PcToDexEnd(); it != end; ++it) { 77806606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko uint32_t native_offset = it.NativePcOffset(); 77906606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko uint32_t dex_pc = it.DexPc(); 7800c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const uint8_t* references = dex_gc_map.FindBitMap(dex_pc, false); 781a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee CHECK(references != NULL) << "Missing ref for dex pc 0x" << std::hex << dex_pc; 782a5b3024aed77a8204d5fb48ba7f763fb8c60fa76Bill Buzbee native_gc_map_builder.AddEntry(native_offset, references); 7830c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers } 7840c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers} 7850c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 786e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee/* Determine the offset of each literal field */ 7870d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeeint Mir2Lir::AssignLiteralOffset(CodeOffset offset) { 7881fd3346740dfb7f47be9922312b68a4227fada96buzbee offset = AssignLiteralOffsetCommon(literal_list_, offset); 7890d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee offset = AssignLiteralPointerOffsetCommon(code_literal_list_, offset); 7900d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee offset = AssignLiteralPointerOffsetCommon(method_literal_list_, offset); 791be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi offset = AssignLiteralPointerOffsetCommon(class_literal_list_, offset); 792a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 793e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 794e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 7950d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeeint Mir2Lir::AssignSwitchTablesOffset(CodeOffset offset) { 796862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 797a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 7980d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee Mir2Lir::SwitchTable* tab_rec = iterator.Next(); 799fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 800fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->offset = offset; 801fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 802fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->table[1] * (sizeof(int) * 2); 803a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 804fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee DCHECK_EQ(static_cast<int>(tab_rec->table[0]), 805a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee static_cast<int>(Instruction::kPackedSwitchSignature)); 806fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->table[1] * sizeof(int); 807e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee } 808a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 809a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 810e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 811e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 8120d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeeint Mir2Lir::AssignFillArrayDataOffset(CodeOffset offset) { 813862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<FillArrayData*>::Iterator iterator(&fill_array_data_); 814a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 815862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::FillArrayData *tab_rec = iterator.Next(); 816fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 817fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee tab_rec->offset = offset; 818fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee offset += tab_rec->size; 819a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee // word align 820a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee offset = (offset + 3) & ~3; 821a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 822a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee return offset; 823e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee} 824e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 82531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee/* 82631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee * Insert a kPseudoCaseLabel at the beginning of the Dalvik 827b48819db07f9a0992a72173380c24249d7fc648abuzbee * offset vaddr if pretty-printing, otherise use the standard block 828b48819db07f9a0992a72173380c24249d7fc648abuzbee * label. The selected label will be used to fix up the case 829252254b130067cd7a5071865e793966871ae0246buzbee * branch table during the assembly phase. All resource flags 830252254b130067cd7a5071865e793966871ae0246buzbee * are set to prevent code motion. KeyVal is just there for debugging. 83131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee */ 8320d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeeLIR* Mir2Lir::InsertCaseLabel(DexOffset vaddr, int keyVal) { 833252254b130067cd7a5071865e793966871ae0246buzbee LIR* boundary_lir = &block_label_list_[mir_graph_->FindBlock(vaddr)->id]; 834b48819db07f9a0992a72173380c24249d7fc648abuzbee LIR* res = boundary_lir; 835b48819db07f9a0992a72173380c24249d7fc648abuzbee if (cu_->verbose) { 836b48819db07f9a0992a72173380c24249d7fc648abuzbee // Only pay the expense if we're pretty-printing. 837b48819db07f9a0992a72173380c24249d7fc648abuzbee LIR* new_label = static_cast<LIR*>(arena_->Alloc(sizeof(LIR), ArenaAllocator::kAllocLIR)); 838b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->dalvik_offset = vaddr; 839b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->opcode = kPseudoCaseLabel; 840b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->operands[0] = keyVal; 841b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->flags.fixup = kFixupLabel; 842b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!new_label->flags.use_def_invalid); 843b48819db07f9a0992a72173380c24249d7fc648abuzbee new_label->u.m.def_mask = ENCODE_ALL; 844b48819db07f9a0992a72173380c24249d7fc648abuzbee InsertLIRAfter(boundary_lir, new_label); 845b48819db07f9a0992a72173380c24249d7fc648abuzbee res = new_label; 846b48819db07f9a0992a72173380c24249d7fc648abuzbee } 847b48819db07f9a0992a72173380c24249d7fc648abuzbee return res; 84831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 84931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8500d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeevoid Mir2Lir::MarkPackedCaseLabels(Mir2Lir::SwitchTable* tab_rec) { 851fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const uint16_t* table = tab_rec->table; 8520d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee DexOffset base_vaddr = tab_rec->vaddr; 8530d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t *targets = reinterpret_cast<const int32_t*>(&table[4]); 854a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 855fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_key = s4FromSwitchData(&table[2]); 856a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 8571fd3346740dfb7f47be9922312b68a4227fada96buzbee tab_rec->targets[i] = InsertCaseLabel(base_vaddr + targets[i], i + low_key); 858a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 85931a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 86031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8610d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeevoid Mir2Lir::MarkSparseCaseLabels(Mir2Lir::SwitchTable* tab_rec) { 862fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee const uint16_t* table = tab_rec->table; 8630d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee DexOffset base_vaddr = tab_rec->vaddr; 864a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 8650d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t* keys = reinterpret_cast<const int32_t*>(&table[2]); 8660d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t* targets = &keys[entries]; 867a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 8681fd3346740dfb7f47be9922312b68a4227fada96buzbee tab_rec->targets[i] = InsertCaseLabel(base_vaddr + targets[i], keys[i]); 869a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 87031a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 87131a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8722ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::ProcessSwitchTables() { 873862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee GrowableArray<SwitchTable*>::Iterator iterator(&switch_tables_); 874a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee while (true) { 875862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee Mir2Lir::SwitchTable *tab_rec = iterator.Next(); 876fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec == NULL) break; 877fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (tab_rec->table[0] == Instruction::kPackedSwitchSignature) { 8781fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkPackedCaseLabels(tab_rec); 879fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee } else if (tab_rec->table[0] == Instruction::kSparseSwitchSignature) { 8801fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkSparseCaseLabels(tab_rec); 881a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } else { 882a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(FATAL) << "Invalid switch table"; 88331a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee } 884a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 88531a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 88631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 8872ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpSparseSwitchTable(const uint16_t* table) { 888a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 889a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Sparse switch data format: 890a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort ident = 0x0200 magic value 891a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort size number of entries in the table; > 0 892a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int keys[size] keys, sorted low-to-high; 32-bit aligned 893a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int targets[size] branch targets, relative to switch opcode 894a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * 895a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Total size is (2+size*4) 16-bit code units. 896a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 897eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint16_t ident = table[0]; 898a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 8990d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t* keys = reinterpret_cast<const int32_t*>(&table[2]); 9000d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t* targets = &keys[entries]; 901a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Sparse switch table - ident:0x" << std::hex << ident 902a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << ", entries: " << std::dec << entries; 903a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 904a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << " Key[" << keys[i] << "] -> 0x" << std::hex << targets[i]; 905a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 90631a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 90731a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee 9082ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::DumpPackedSwitchTable(const uint16_t* table) { 909a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee /* 910a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Packed switch data format: 911a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort ident = 0x0100 magic value 912a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * ushort size number of entries in the table 913a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int first_key first (and lowest) switch case value 914a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * int targets[size] branch targets, relative to switch opcode 915a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * 916a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee * Total size is (4+size*2) 16-bit code units. 917a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee */ 918eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint16_t ident = table[0]; 9190d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee const int32_t* targets = reinterpret_cast<const int32_t*>(&table[4]); 920a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee int entries = table[1]; 921fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_key = s4FromSwitchData(&table[2]); 922a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee LOG(INFO) << "Packed switch table - ident:0x" << std::hex << ident 923fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee << ", entries: " << std::dec << entries << ", low_key: " << low_key; 924a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee for (int i = 0; i < entries; i++) { 925fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee LOG(INFO) << " Key[" << (i + low_key) << "] -> 0x" << std::hex 926a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee << targets[i]; 927a114add0300b95eeaae7465493f39144e07324e8Bill Buzbee } 92831a4a6f5717f645da6b97ccc1e420ae1e1c71ce0buzbee} 929e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 930252254b130067cd7a5071865e793966871ae0246buzbee/* Set up special LIR to mark a Dalvik byte-code instruction start for pretty printing */ 9310d82948094d9a198e01aa95f64012bdedd5b6fc9buzbeevoid Mir2Lir::MarkBoundary(DexOffset offset, const char* inst_str) { 9320d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee // NOTE: only used for debug listings. 9330d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee NewLIR1(kPseudoDalvikByteCodeBoundary, WrapPointer(ArenaStrdup(inst_str))); 934d1643e41ef242ae656f667bf3c8b0324635cefd3buzbee} 935e3acd07f28d5625062b599c2817cb5f7a53f54a9buzbee 9362ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool Mir2Lir::EvaluateBranch(Instruction::Code opcode, int32_t src1, int32_t src2) { 937e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee bool is_taken; 938e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee switch (opcode) { 939e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_EQ: is_taken = (src1 == src2); break; 940e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_NE: is_taken = (src1 != src2); break; 941e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LT: is_taken = (src1 < src2); break; 942e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GE: is_taken = (src1 >= src2); break; 943e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GT: is_taken = (src1 > src2); break; 944e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LE: is_taken = (src1 <= src2); break; 945e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_EQZ: is_taken = (src1 == 0); break; 946e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_NEZ: is_taken = (src1 != 0); break; 947e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LTZ: is_taken = (src1 < 0); break; 948e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GEZ: is_taken = (src1 >= 0); break; 949e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_GTZ: is_taken = (src1 > 0); break; 950e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee case Instruction::IF_LEZ: is_taken = (src1 <= 0); break; 951e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee default: 952e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee LOG(FATAL) << "Unexpected opcode " << opcode; 953e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee is_taken = false; 954e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee } 955e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee return is_taken; 956e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee} 957e6285f99a53a344efd6f8409ff5f43a3e80190dbbuzbee 9584ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee// Convert relation of src1/src2 to src2/src1 9591fd3346740dfb7f47be9922312b68a4227fada96buzbeeConditionCode Mir2Lir::FlipComparisonOrder(ConditionCode before) { 9604ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee ConditionCode res; 9614ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee switch (before) { 9624ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondEq: res = kCondEq; break; 9634ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondNe: res = kCondNe; break; 9644ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondLt: res = kCondGt; break; 9654ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondGt: res = kCondLt; break; 9664ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondLe: res = kCondGe; break; 9674ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee case kCondGe: res = kCondLe; break; 9684ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee default: 9694ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee res = static_cast<ConditionCode>(0); 9704ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee LOG(FATAL) << "Unexpected ccode " << before; 9714ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee } 9724ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return res; 9734ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee} 9744ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee 975862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee// TODO: move to mir_to_lir.cc 976862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbeeMir2Lir::Mir2Lir(CompilationUnit* cu, MIRGraph* mir_graph, ArenaAllocator* arena) 9776282dc12440a2072dc06a616160027ff21bd895eIan Rogers : Backend(arena), 9786282dc12440a2072dc06a616160027ff21bd895eIan Rogers literal_list_(NULL), 9791fd3346740dfb7f47be9922312b68a4227fada96buzbee method_literal_list_(NULL), 980be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi class_literal_list_(NULL), 9811fd3346740dfb7f47be9922312b68a4227fada96buzbee code_literal_list_(NULL), 982b48819db07f9a0992a72173380c24249d7fc648abuzbee first_fixup_(NULL), 9831fd3346740dfb7f47be9922312b68a4227fada96buzbee cu_(cu), 9841fd3346740dfb7f47be9922312b68a4227fada96buzbee mir_graph_(mir_graph), 985862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee switch_tables_(arena, 4, kGrowableArraySwitchTables), 986862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee fill_array_data_(arena, 4, kGrowableArrayFillArrayData), 987862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee throw_launchpads_(arena, 2048, kGrowableArrayThrowLaunchPads), 988862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee suspend_launchpads_(arena, 4, kGrowableArraySuspendLaunchPads), 989862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee intrinsic_launchpads_(arena, 2048, kGrowableArrayMisc), 990bd663de599b16229085759366c56e2ed5a1dc7ecbuzbee tempreg_info_(arena, 20, kGrowableArrayMisc), 991bd663de599b16229085759366c56e2ed5a1dc7ecbuzbee reginfo_map_(arena, 64, kGrowableArrayMisc), 9920d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee pointer_storage_(arena, 128, kGrowableArrayMisc), 9931fd3346740dfb7f47be9922312b68a4227fada96buzbee data_offset_(0), 9941fd3346740dfb7f47be9922312b68a4227fada96buzbee total_size_(0), 9951fd3346740dfb7f47be9922312b68a4227fada96buzbee block_label_list_(NULL), 996d69835d841cb7663faaa2f1996e73e8c0b3f6d76buzbee promotion_map_(NULL), 997862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee current_dalvik_offset_(0), 998b48819db07f9a0992a72173380c24249d7fc648abuzbee estimated_native_code_size_(0), 999862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee reg_pool_(NULL), 10001fd3346740dfb7f47be9922312b68a4227fada96buzbee live_sreg_(0), 10011fd3346740dfb7f47be9922312b68a4227fada96buzbee num_core_spills_(0), 10021fd3346740dfb7f47be9922312b68a4227fada96buzbee num_fp_spills_(0), 10031fd3346740dfb7f47be9922312b68a4227fada96buzbee frame_size_(0), 10041fd3346740dfb7f47be9922312b68a4227fada96buzbee core_spill_mask_(0), 10051fd3346740dfb7f47be9922312b68a4227fada96buzbee fp_spill_mask_(0), 10061fd3346740dfb7f47be9922312b68a4227fada96buzbee first_lir_insn_(NULL), 1007bcec6fba95ee7974d3f7b81c3c02e7eb3ca3df00Dave Allison last_lir_insn_(NULL), 1008bcec6fba95ee7974d3f7b81c3c02e7eb3ca3df00Dave Allison slow_paths_(arena, 32, kGrowableArraySlowPaths) { 10090d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee // Reserve pointer id 0 for NULL. 10100d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee size_t null_idx = WrapPointer(NULL); 10110d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee DCHECK_EQ(null_idx, 0U); 10121fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10131fd3346740dfb7f47be9922312b68a4227fada96buzbee 10141fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid Mir2Lir::Materialize() { 1015a61f49539a59b610e557b5513695295639496750buzbee cu_->NewTimingSplit("RegisterAllocation"); 10161fd3346740dfb7f47be9922312b68a4227fada96buzbee CompilerInitializeRegAlloc(); // Needs to happen after SSA naming 10171fd3346740dfb7f47be9922312b68a4227fada96buzbee 10181fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Allocate Registers using simple local allocation scheme */ 10191fd3346740dfb7f47be9922312b68a4227fada96buzbee SimpleRegAlloc(); 10201fd3346740dfb7f47be9922312b68a4227fada96buzbee 10213bc01748ef1c3e43361bdf520947a9d656658bf8Razvan A Lupusoru /* First try the custom light codegen for special cases. */ 10225816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko DCHECK(cu_->compiler_driver->GetMethodInlinerMap() != nullptr); 10233bc01748ef1c3e43361bdf520947a9d656658bf8Razvan A Lupusoru bool special_worked = cu_->compiler_driver->GetMethodInlinerMap()->GetMethodInliner(cu_->dex_file) 10245816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko ->GenSpecial(this, cu_->method_idx); 10251fd3346740dfb7f47be9922312b68a4227fada96buzbee 10263bc01748ef1c3e43361bdf520947a9d656658bf8Razvan A Lupusoru /* Take normal path for converting MIR to LIR only if the special codegen did not succeed. */ 10273bc01748ef1c3e43361bdf520947a9d656658bf8Razvan A Lupusoru if (special_worked == false) { 10281fd3346740dfb7f47be9922312b68a4227fada96buzbee MethodMIR2LIR(); 10291fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10301fd3346740dfb7f47be9922312b68a4227fada96buzbee 10311fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Method is not empty */ 10321fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_) { 10331fd3346740dfb7f47be9922312b68a4227fada96buzbee // mark the targets of switch statement case labels 10341fd3346740dfb7f47be9922312b68a4227fada96buzbee ProcessSwitchTables(); 10351fd3346740dfb7f47be9922312b68a4227fada96buzbee 10361fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Convert LIR into machine code. */ 10371fd3346740dfb7f47be9922312b68a4227fada96buzbee AssembleLIR(); 10381fd3346740dfb7f47be9922312b68a4227fada96buzbee 10391fd3346740dfb7f47be9922312b68a4227fada96buzbee if (cu_->verbose) { 10401fd3346740dfb7f47be9922312b68a4227fada96buzbee CodegenDump(); 10411fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10421fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10431fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10441fd3346740dfb7f47be9922312b68a4227fada96buzbee 10451fd3346740dfb7f47be9922312b68a4227fada96buzbeeCompiledMethod* Mir2Lir::GetCompiledMethod() { 10462e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko // Combine vmap tables - core regs, then fp regs - into vmap_table. 10472e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko Leb128EncodingVector vmap_encoder; 10481fd3346740dfb7f47be9922312b68a4227fada96buzbee if (frame_size_ > 0) { 10492e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko // Prefix the encoded data with its size. 10502e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko size_t size = core_vmap_table_.size() + 1 /* marker */ + fp_vmap_table_.size(); 10512e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko vmap_encoder.Reserve(size + 1u); // All values are likely to be one byte in ULEB128 (<128). 10522e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko vmap_encoder.PushBackUnsigned(size); 10532e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko // Core regs may have been inserted out of order - sort first. 10542e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko std::sort(core_vmap_table_.begin(), core_vmap_table_.end()); 10552e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko for (size_t i = 0 ; i < core_vmap_table_.size(); ++i) { 10562e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko // Copy, stripping out the phys register sort key. 10572e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko vmap_encoder.PushBackUnsigned( 10582e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko ~(-1 << VREG_NUM_WIDTH) & (core_vmap_table_[i] + VmapTable::kEntryAdjustment)); 10592e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko } 10602e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko // Push a marker to take place of lr. 10612e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko vmap_encoder.PushBackUnsigned(VmapTable::kAdjustedFpMarker); 10622e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko // fp regs already sorted. 10632e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko for (uint32_t i = 0; i < fp_vmap_table_.size(); i++) { 10642e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko vmap_encoder.PushBackUnsigned(fp_vmap_table_[i] + VmapTable::kEntryAdjustment); 10652e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko } 10661fd3346740dfb7f47be9922312b68a4227fada96buzbee } else { 10671fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(__builtin_popcount(core_spill_mask_), 0); 10681fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(__builtin_popcount(fp_spill_mask_), 0); 10692e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko DCHECK_EQ(core_vmap_table_.size(), 0u); 10702e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko DCHECK_EQ(fp_vmap_table_.size(), 0u); 10712e589aa58a1372909f95e731fd6b8895f6359c3aVladimir Marko vmap_encoder.PushBackUnsigned(0u); // Size is 0. 10721fd3346740dfb7f47be9922312b68a4227fada96buzbee } 10731fd3346740dfb7f47be9922312b68a4227fada96buzbee CompiledMethod* result = 1074193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier new CompiledMethod(*cu_->compiler_driver, cu_->instruction_set, code_buffer_, frame_size_, 107506606b9c4a1c00154ed15f719ad8ea994e54ee8eVladimir Marko core_spill_mask_, fp_spill_mask_, encoded_mapping_table_, 1076193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier vmap_encoder.GetData(), native_gc_map_); 10771fd3346740dfb7f47be9922312b68a4227fada96buzbee return result; 10781fd3346740dfb7f47be9922312b68a4227fada96buzbee} 10791fd3346740dfb7f47be9922312b68a4227fada96buzbee 1080da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusorusize_t Mir2Lir::GetMaxPossibleCompilerTemps() const { 1081da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru // Chose a reasonably small value in order to contain stack growth. 1082da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru // Backends that are smarter about spill region can return larger values. 1083da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru const size_t max_compiler_temps = 10; 1084da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru return max_compiler_temps; 1085da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru} 1086da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru 1087da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusorusize_t Mir2Lir::GetNumBytesForCompilerTempSpillRegion() { 1088da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru // By default assume that the Mir2Lir will need one slot for each temporary. 1089da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru // If the backend can better determine temps that have non-overlapping ranges and 1090da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru // temps that do not need spilled, it can actually provide a small region. 1091da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru return (mir_graph_->GetNumUsedCompilerTemps() * sizeof(uint32_t)); 1092da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru} 1093da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru 10941fd3346740dfb7f47be9922312b68a4227fada96buzbeeint Mir2Lir::ComputeFrameSize() { 10951fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Figure out the frame size */ 10961fd3346740dfb7f47be9922312b68a4227fada96buzbee static const uint32_t kAlignMask = kStackAlignment - 1; 1097da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru uint32_t size = ((num_core_spills_ + num_fp_spills_ + 1098da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru 1 /* filler word */ + cu_->num_regs + cu_->num_outs) 1099da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru * sizeof(uint32_t)) + 1100da7a69b3fa7bb22d087567364b7eb5a75824efd8Razvan A Lupusoru GetNumBytesForCompilerTempSpillRegion(); 11011fd3346740dfb7f47be9922312b68a4227fada96buzbee /* Align and set */ 11021fd3346740dfb7f47be9922312b68a4227fada96buzbee return (size + kAlignMask) & ~(kAlignMask); 11031fd3346740dfb7f47be9922312b68a4227fada96buzbee} 11041fd3346740dfb7f47be9922312b68a4227fada96buzbee 11051fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 11061fd3346740dfb7f47be9922312b68a4227fada96buzbee * Append an LIR instruction to the LIR list maintained by a compilation 11071fd3346740dfb7f47be9922312b68a4227fada96buzbee * unit 11081fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 11092ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::AppendLIR(LIR* lir) { 11101fd3346740dfb7f47be9922312b68a4227fada96buzbee if (first_lir_insn_ == NULL) { 11111fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(last_lir_insn_ == NULL); 11121fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_ = first_lir_insn_ = lir; 11131fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->prev = lir->next = NULL; 11141fd3346740dfb7f47be9922312b68a4227fada96buzbee } else { 11151fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_->next = lir; 11161fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->prev = last_lir_insn_; 11171fd3346740dfb7f47be9922312b68a4227fada96buzbee lir->next = NULL; 11181fd3346740dfb7f47be9922312b68a4227fada96buzbee last_lir_insn_ = lir; 11191fd3346740dfb7f47be9922312b68a4227fada96buzbee } 11201fd3346740dfb7f47be9922312b68a4227fada96buzbee} 11211fd3346740dfb7f47be9922312b68a4227fada96buzbee 11221fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 11231fd3346740dfb7f47be9922312b68a4227fada96buzbee * Insert an LIR instruction before the current instruction, which cannot be the 11241fd3346740dfb7f47be9922312b68a4227fada96buzbee * first instruction. 11251fd3346740dfb7f47be9922312b68a4227fada96buzbee * 11261fd3346740dfb7f47be9922312b68a4227fada96buzbee * prev_lir <-> new_lir <-> current_lir 11271fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 11282ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InsertLIRBefore(LIR* current_lir, LIR* new_lir) { 11291fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK(current_lir->prev != NULL); 11301fd3346740dfb7f47be9922312b68a4227fada96buzbee LIR *prev_lir = current_lir->prev; 11311fd3346740dfb7f47be9922312b68a4227fada96buzbee 11321fd3346740dfb7f47be9922312b68a4227fada96buzbee prev_lir->next = new_lir; 11331fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->prev = prev_lir; 11341fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next = current_lir; 11351fd3346740dfb7f47be9922312b68a4227fada96buzbee current_lir->prev = new_lir; 11361fd3346740dfb7f47be9922312b68a4227fada96buzbee} 11371fd3346740dfb7f47be9922312b68a4227fada96buzbee 11381fd3346740dfb7f47be9922312b68a4227fada96buzbee/* 11391fd3346740dfb7f47be9922312b68a4227fada96buzbee * Insert an LIR instruction after the current instruction, which cannot be the 11401fd3346740dfb7f47be9922312b68a4227fada96buzbee * first instruction. 11411fd3346740dfb7f47be9922312b68a4227fada96buzbee * 11421fd3346740dfb7f47be9922312b68a4227fada96buzbee * current_lir -> new_lir -> old_next 11431fd3346740dfb7f47be9922312b68a4227fada96buzbee */ 11442ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid Mir2Lir::InsertLIRAfter(LIR* current_lir, LIR* new_lir) { 11451fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->prev = current_lir; 11461fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next = current_lir->next; 11471fd3346740dfb7f47be9922312b68a4227fada96buzbee current_lir->next = new_lir; 11481fd3346740dfb7f47be9922312b68a4227fada96buzbee new_lir->next->prev = new_lir; 11491fd3346740dfb7f47be9922312b68a4227fada96buzbee} 11501fd3346740dfb7f47be9922312b68a4227fada96buzbee 11514708dcd68eebf1173aef1097dad8ab13466059aaMark Mendellbool Mir2Lir::IsPowerOfTwo(uint64_t x) { 11524708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell return (x & (x - 1)) == 0; 11534708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell} 11544708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell 11554708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell// Returns the index of the lowest set bit in 'x'. 11564708dcd68eebf1173aef1097dad8ab13466059aaMark Mendellint32_t Mir2Lir::LowestSetBit(uint64_t x) { 11574708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell int bit_posn = 0; 11584708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell while ((x & 0xf) == 0) { 11594708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell bit_posn += 4; 11604708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell x >>= 4; 11614708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell } 11624708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell while ((x & 1) == 0) { 11634708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell bit_posn++; 11644708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell x >>= 1; 11654708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell } 11664708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell return bit_posn; 11674708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell} 11684708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell 11694708dcd68eebf1173aef1097dad8ab13466059aaMark Mendellbool Mir2Lir::BadOverlap(RegLocation rl_src, RegLocation rl_dest) { 11704708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell DCHECK(rl_src.wide); 11714708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell DCHECK(rl_dest.wide); 11724708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell return (abs(mir_graph_->SRegToVReg(rl_src.s_reg_low) - mir_graph_->SRegToVReg(rl_dest.s_reg_low)) == 1); 11734708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell} 11744708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell 1175766e9295d2c34cd1846d81610c9045b5d5093dddMark MendellLIR *Mir2Lir::OpCmpMemImmBranch(ConditionCode cond, int temp_reg, int base_reg, 1176766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell int offset, int check_value, LIR* target) { 1177766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell // Handle this for architectures that can't compare to memory. 1178766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell LoadWordDisp(base_reg, offset, temp_reg); 1179766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell LIR* branch = OpCmpImmBranch(cond, temp_reg, check_value, target); 1180766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell return branch; 1181766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell} 1182766e9295d2c34cd1846d81610c9045b5d5093dddMark Mendell 1183bcec6fba95ee7974d3f7b81c3c02e7eb3ca3df00Dave Allisonvoid Mir2Lir::AddSlowPath(LIRSlowPath* slowpath) { 1184bcec6fba95ee7974d3f7b81c3c02e7eb3ca3df00Dave Allison slow_paths_.Insert(slowpath); 1185bcec6fba95ee7974d3f7b81c3c02e7eb3ca3df00Dave Allison} 118655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell 118755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid Mir2Lir::LoadCodeAddress(int dex_method_index, InvokeType type, SpecialTargetRegister symbolic_reg) { 118855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell LIR* data_target = ScanLiteralPool(code_literal_list_, dex_method_index, 0); 118955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell if (data_target == NULL) { 119055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell data_target = AddWordData(&code_literal_list_, dex_method_index); 119155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell data_target->operands[1] = type; 119255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell } 119355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell LIR* load_pc_rel = OpPcRelLoad(TargetReg(symbolic_reg), data_target); 119455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell AppendLIR(load_pc_rel); 119555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell DCHECK_NE(cu_->instruction_set, kMips) << reinterpret_cast<void*>(data_target); 119655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 119755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell 119855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid Mir2Lir::LoadMethodAddress(int dex_method_index, InvokeType type, SpecialTargetRegister symbolic_reg) { 119955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell LIR* data_target = ScanLiteralPool(method_literal_list_, dex_method_index, 0); 120055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell if (data_target == NULL) { 120155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell data_target = AddWordData(&method_literal_list_, dex_method_index); 120255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell data_target->operands[1] = type; 120355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell } 120455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell LIR* load_pc_rel = OpPcRelLoad(TargetReg(symbolic_reg), data_target); 120555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell AppendLIR(load_pc_rel); 120655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell DCHECK_NE(cu_->instruction_set, kMips) << reinterpret_cast<void*>(data_target); 120755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 120855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell 120955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid Mir2Lir::LoadClassType(uint32_t type_idx, SpecialTargetRegister symbolic_reg) { 121055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell // Use the literal pool and a PC-relative load from a data word. 121155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell LIR* data_target = ScanLiteralPool(class_literal_list_, type_idx, 0); 121255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell if (data_target == nullptr) { 121355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell data_target = AddWordData(&class_literal_list_, type_idx); 121455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell } 121555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell LIR* load_pc_rel = OpPcRelLoad(TargetReg(symbolic_reg), data_target); 121655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell AppendLIR(load_pc_rel); 121755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 121855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell 12197934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // namespace art 1220