MetadataExtractor.cpp revision 98abb2d77b6519a43c98427141ba1ded42441b8a
1932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines/* 2cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines * Copyright 2011-2012, The Android Open Source Project 3932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * 4932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * Licensed under the Apache License, Version 2.0 (the "License"); 5932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * you may not use this file except in compliance with the License. 6932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * You may obtain a copy of the License at 7932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * 8932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * http://www.apache.org/licenses/LICENSE-2.0 9932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * 10932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * Unless required by applicable law or agreed to in writing, software 11932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * distributed under the License is distributed on an "AS IS" BASIS, 12932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * See the License for the specific language governing permissions and 14932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines * limitations under the License. 15932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines */ 16932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 17932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include "bcinfo/MetadataExtractor.h" 18932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 19b67c9e7a28cb734c1d62d835c33dedbe45074356Stephen Hines#include "bcinfo/BitcodeWrapper.h" 20b67c9e7a28cb734c1d62d835c33dedbe45074356Stephen Hines 21932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#define LOG_TAG "bcinfo" 22932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include <cutils/log.h> 23932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 24932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include "llvm/ADT/OwningPtr.h" 25932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include "llvm/Bitcode/ReaderWriter.h" 26094881f513ab366f7ffd0b2c7778ab50281ca59eDaniel Malea#include "llvm/Constants.h" 27932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include "llvm/LLVMContext.h" 28932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include "llvm/Module.h" 29932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include "llvm/Support/MemoryBuffer.h" 30932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 31932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines#include <cstdlib> 32932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 33932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesnamespace bcinfo { 34932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 35932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// Name of metadata node where pragma info resides (should be synced with 36932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// slang.cpp) 37932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesstatic const llvm::StringRef PragmaMetadataName = "#pragma"; 38932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 39932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// Name of metadata node where exported variable names reside (should be 40932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// synced with slang_rs_metadata.h) 41932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesstatic const llvm::StringRef ExportVarMetadataName = "#rs_export_var"; 42932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 43932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// Name of metadata node where exported function names reside (should be 44932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// synced with slang_rs_metadata.h) 45932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesstatic const llvm::StringRef ExportFuncMetadataName = "#rs_export_func"; 46932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 47cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines// Name of metadata node where exported ForEach name information resides 48cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines// (should be synced with slang_rs_metadata.h) 49cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hinesstatic const llvm::StringRef ExportForEachNameMetadataName = 50cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines "#rs_export_foreach_name"; 51cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines 5233f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines// Name of metadata node where exported ForEach signature information resides 5333f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines// (should be synced with slang_rs_metadata.h) 5433f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hinesstatic const llvm::StringRef ExportForEachMetadataName = "#rs_export_foreach"; 5533f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 56932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// Name of metadata node where RS object slot info resides (should be 57932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines// synced with slang_rs_metadata.h) 58932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesstatic const llvm::StringRef ObjectSlotMetadataName = "#rs_object_slots"; 59932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 60932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 61932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen HinesMetadataExtractor::MetadataExtractor(const char *bitcode, size_t bitcodeSize) 62569986da116ed602c752395f9563260db38f6945Stephen Hines : mModule(NULL), mBitcode(bitcode), mBitcodeSize(bitcodeSize), 63569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarCount(0), mExportFuncCount(0), mExportForEachSignatureCount(0), 64569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarNameList(NULL), mExportFuncNameList(NULL), 65569986da116ed602c752395f9563260db38f6945Stephen Hines mExportForEachNameList(NULL), mExportForEachSignatureList(NULL), 66569986da116ed602c752395f9563260db38f6945Stephen Hines mPragmaCount(0), mPragmaKeyList(NULL), mPragmaValueList(NULL), 67a7e5c8f85434e9b8cb0637da302135ba2e2976f5Stephen Hines mObjectSlotCount(0), mObjectSlotList(NULL), 68e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines mRSFloatPrecision(RS_FP_Full) { 69b67c9e7a28cb734c1d62d835c33dedbe45074356Stephen Hines BitcodeWrapper wrapper(bitcode, bitcodeSize); 70b67c9e7a28cb734c1d62d835c33dedbe45074356Stephen Hines mCompilerVersion = wrapper.getCompilerVersion(); 71b67c9e7a28cb734c1d62d835c33dedbe45074356Stephen Hines mOptimizationLevel = wrapper.getOptimizationLevel(); 72569986da116ed602c752395f9563260db38f6945Stephen Hines} 73569986da116ed602c752395f9563260db38f6945Stephen Hines 74569986da116ed602c752395f9563260db38f6945Stephen Hines 75569986da116ed602c752395f9563260db38f6945Stephen HinesMetadataExtractor::MetadataExtractor(const llvm::Module *module) 76569986da116ed602c752395f9563260db38f6945Stephen Hines : mModule(module), mBitcode(NULL), mBitcodeSize(0), mExportVarCount(0), 7733f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines mExportFuncCount(0), mExportForEachSignatureCount(0), 78569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarNameList(NULL), mExportFuncNameList(NULL), 79cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mExportForEachNameList(NULL), mExportForEachSignatureList(NULL), 80cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mPragmaCount(0), mPragmaKeyList(NULL), mPragmaValueList(NULL), 8198abb2d77b6519a43c98427141ba1ded42441b8aStephen Hines mObjectSlotCount(0), mObjectSlotList(NULL), 8298abb2d77b6519a43c98427141ba1ded42441b8aStephen Hines mRSFloatPrecision(RS_FP_Full) { 83a7e5c8f85434e9b8cb0637da302135ba2e2976f5Stephen Hines mCompilerVersion = 0; 84a7e5c8f85434e9b8cb0637da302135ba2e2976f5Stephen Hines mOptimizationLevel = 3; 85932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} 86932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 87932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 88932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen HinesMetadataExtractor::~MetadataExtractor() { 89569986da116ed602c752395f9563260db38f6945Stephen Hines if (mExportVarNameList) { 90569986da116ed602c752395f9563260db38f6945Stephen Hines for (size_t i = 0; i < mExportVarCount; i++) { 91569986da116ed602c752395f9563260db38f6945Stephen Hines delete [] mExportVarNameList[i]; 92569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarNameList[i] = NULL; 93569986da116ed602c752395f9563260db38f6945Stephen Hines } 94569986da116ed602c752395f9563260db38f6945Stephen Hines } 95569986da116ed602c752395f9563260db38f6945Stephen Hines delete [] mExportVarNameList; 96569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarNameList = NULL; 97569986da116ed602c752395f9563260db38f6945Stephen Hines 98569986da116ed602c752395f9563260db38f6945Stephen Hines if (mExportFuncNameList) { 99569986da116ed602c752395f9563260db38f6945Stephen Hines for (size_t i = 0; i < mExportFuncCount; i++) { 100569986da116ed602c752395f9563260db38f6945Stephen Hines delete [] mExportFuncNameList[i]; 101569986da116ed602c752395f9563260db38f6945Stephen Hines mExportFuncNameList[i] = NULL; 102569986da116ed602c752395f9563260db38f6945Stephen Hines } 103569986da116ed602c752395f9563260db38f6945Stephen Hines } 104569986da116ed602c752395f9563260db38f6945Stephen Hines delete [] mExportFuncNameList; 105569986da116ed602c752395f9563260db38f6945Stephen Hines mExportFuncNameList = NULL; 106569986da116ed602c752395f9563260db38f6945Stephen Hines 107cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines if (mExportForEachNameList) { 108cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines for (size_t i = 0; i < mExportForEachSignatureCount; i++) { 109cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines delete [] mExportForEachNameList[i]; 110cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mExportForEachNameList[i] = NULL; 111cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines } 112cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines } 113cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines delete [] mExportForEachNameList; 114cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mExportForEachNameList = NULL; 115cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines 11633f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines delete [] mExportForEachSignatureList; 11733f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines mExportForEachSignatureList = NULL; 11833f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 119cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines for (size_t i = 0; i < mPragmaCount; i++) { 120cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines if (mPragmaKeyList) { 121cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines delete [] mPragmaKeyList[i]; 122cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mPragmaKeyList[i] = NULL; 123cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines } 124cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines if (mPragmaValueList) { 125cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines delete [] mPragmaValueList[i]; 126cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mPragmaValueList[i] = NULL; 127932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 128932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 129932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines delete [] mPragmaKeyList; 130932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines mPragmaKeyList = NULL; 131932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines delete [] mPragmaValueList; 132932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines mPragmaValueList = NULL; 133932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 134932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines delete [] mObjectSlotList; 135932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines mObjectSlotList = NULL; 136932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 137932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return; 138932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} 139932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 140932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 141932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesbool MetadataExtractor::populateObjectSlotMetadata( 142932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines const llvm::NamedMDNode *ObjectSlotMetadata) { 143932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (!ObjectSlotMetadata) { 144932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return true; 145932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 146932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 147932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines mObjectSlotCount = ObjectSlotMetadata->getNumOperands(); 148932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 149932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (!mObjectSlotCount) { 150932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return true; 151932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 152932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 153932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines uint32_t *TmpSlotList = new uint32_t[mObjectSlotCount]; 154932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines memset(TmpSlotList, 0, mObjectSlotCount * sizeof(*TmpSlotList)); 155932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 156932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines for (size_t i = 0; i < mObjectSlotCount; i++) { 157932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::MDNode *ObjectSlot = ObjectSlotMetadata->getOperand(i); 158932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (ObjectSlot != NULL && ObjectSlot->getNumOperands() == 1) { 159932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::Value *SlotMDS = ObjectSlot->getOperand(0); 160932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (SlotMDS->getValueID() == llvm::Value::MDStringVal) { 161932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::StringRef Slot = 162932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines static_cast<llvm::MDString*>(SlotMDS)->getString(); 163932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines uint32_t USlot = 0; 164932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (Slot.getAsInteger(10, USlot)) { 16510c1412e6cb35cfc90abb5e36ba1340a8c55f44eSteve Block ALOGE("Non-integer object slot value '%s'", Slot.str().c_str()); 166932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return false; 167932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 168932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines TmpSlotList[i] = USlot; 169932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 170932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 171932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 172932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 173932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines mObjectSlotList = TmpSlotList; 174932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 175932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return true; 176932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} 177932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 178932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 179932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesstatic const char *createStringFromValue(llvm::Value *v) { 180932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (v->getValueID() != llvm::Value::MDStringVal) { 181932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return NULL; 182932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 183932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 184932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::StringRef ref = static_cast<llvm::MDString*>(v)->getString(); 185932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 186932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines char *c = new char[ref.size() + 1]; 187932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines memcpy(c, ref.data(), ref.size()); 188932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines c[ref.size()] = '\0'; 189932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 190932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return c; 191932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} 192932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 193932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 194932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesvoid MetadataExtractor::populatePragmaMetadata( 195932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines const llvm::NamedMDNode *PragmaMetadata) { 196932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (!PragmaMetadata) { 197932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return; 198932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 199932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 200932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines mPragmaCount = PragmaMetadata->getNumOperands(); 201932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (!mPragmaCount) { 202932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return; 203932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 204932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 205569986da116ed602c752395f9563260db38f6945Stephen Hines const char **TmpKeyList = new const char*[mPragmaCount]; 206569986da116ed602c752395f9563260db38f6945Stephen Hines const char **TmpValueList = new const char*[mPragmaCount]; 207932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 208932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines for (size_t i = 0; i < mPragmaCount; i++) { 209932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::MDNode *Pragma = PragmaMetadata->getOperand(i); 210932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (Pragma != NULL && Pragma->getNumOperands() == 2) { 211932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::Value *PragmaKeyMDS = Pragma->getOperand(0); 212569986da116ed602c752395f9563260db38f6945Stephen Hines TmpKeyList[i] = createStringFromValue(PragmaKeyMDS); 213932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines llvm::Value *PragmaValueMDS = Pragma->getOperand(1); 214569986da116ed602c752395f9563260db38f6945Stephen Hines TmpValueList[i] = createStringFromValue(PragmaValueMDS); 215932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 216932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 217932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 218569986da116ed602c752395f9563260db38f6945Stephen Hines mPragmaKeyList = TmpKeyList; 219569986da116ed602c752395f9563260db38f6945Stephen Hines mPragmaValueList = TmpValueList; 220569986da116ed602c752395f9563260db38f6945Stephen Hines 221e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines // Check to see if we have any FP precision-related pragmas. 222e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines std::string Relaxed("rs_fp_relaxed"); 223e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines std::string Imprecise("rs_fp_imprecise"); 224e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines bool RelaxedPragmaSeen = false; 225e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines bool ImprecisePragmaSeen = false; 226e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines 227e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines for (size_t i = 0; i < mPragmaCount; i++) { 228e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines if (!Relaxed.compare(mPragmaKeyList[i])) { 229e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines if (RelaxedPragmaSeen || ImprecisePragmaSeen) { 230e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines ALOGE("Multiple float precision pragmas specified!"); 231e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } 232e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines RelaxedPragmaSeen = true; 233e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } else if (!Imprecise.compare(mPragmaKeyList[i])) { 234e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines if (RelaxedPragmaSeen || ImprecisePragmaSeen) { 235e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines ALOGE("Multiple float precision pragmas specified!"); 236e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } 237e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines ImprecisePragmaSeen = true; 238e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } 239e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } 240e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines 241e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines // Imprecise is selected over Relaxed precision. 242e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines // In the absence of both, we stick to the default Full precision. 243e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines if (ImprecisePragmaSeen) { 244e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines mRSFloatPrecision = RS_FP_Imprecise; 245e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } else if (RelaxedPragmaSeen) { 246e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines mRSFloatPrecision = RS_FP_Relaxed; 247e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines } 248e1fd804a58c0ed67c75566c784d0b20d81e97adaStephen Hines 249932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return; 250932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} 251932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 252932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 253569986da116ed602c752395f9563260db38f6945Stephen Hinesbool MetadataExtractor::populateVarNameMetadata( 254569986da116ed602c752395f9563260db38f6945Stephen Hines const llvm::NamedMDNode *VarNameMetadata) { 255569986da116ed602c752395f9563260db38f6945Stephen Hines if (!VarNameMetadata) { 256569986da116ed602c752395f9563260db38f6945Stephen Hines return true; 257569986da116ed602c752395f9563260db38f6945Stephen Hines } 258569986da116ed602c752395f9563260db38f6945Stephen Hines 259569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarCount = VarNameMetadata->getNumOperands(); 260569986da116ed602c752395f9563260db38f6945Stephen Hines if (!mExportVarCount) { 261569986da116ed602c752395f9563260db38f6945Stephen Hines return true; 262569986da116ed602c752395f9563260db38f6945Stephen Hines } 263569986da116ed602c752395f9563260db38f6945Stephen Hines 264569986da116ed602c752395f9563260db38f6945Stephen Hines const char **TmpNameList = new const char *[mExportVarCount]; 265569986da116ed602c752395f9563260db38f6945Stephen Hines 266569986da116ed602c752395f9563260db38f6945Stephen Hines for (size_t i = 0; i < mExportVarCount; i++) { 267569986da116ed602c752395f9563260db38f6945Stephen Hines llvm::MDNode *Name = VarNameMetadata->getOperand(i); 268569986da116ed602c752395f9563260db38f6945Stephen Hines if (Name != NULL && Name->getNumOperands() > 1) { 269569986da116ed602c752395f9563260db38f6945Stephen Hines TmpNameList[i] = createStringFromValue(Name->getOperand(0)); 270569986da116ed602c752395f9563260db38f6945Stephen Hines } 271569986da116ed602c752395f9563260db38f6945Stephen Hines } 272569986da116ed602c752395f9563260db38f6945Stephen Hines 273569986da116ed602c752395f9563260db38f6945Stephen Hines mExportVarNameList = TmpNameList; 274569986da116ed602c752395f9563260db38f6945Stephen Hines 275569986da116ed602c752395f9563260db38f6945Stephen Hines return true; 276569986da116ed602c752395f9563260db38f6945Stephen Hines} 277569986da116ed602c752395f9563260db38f6945Stephen Hines 278569986da116ed602c752395f9563260db38f6945Stephen Hines 279569986da116ed602c752395f9563260db38f6945Stephen Hinesbool MetadataExtractor::populateFuncNameMetadata( 280569986da116ed602c752395f9563260db38f6945Stephen Hines const llvm::NamedMDNode *FuncNameMetadata) { 281569986da116ed602c752395f9563260db38f6945Stephen Hines if (!FuncNameMetadata) { 282569986da116ed602c752395f9563260db38f6945Stephen Hines return true; 283569986da116ed602c752395f9563260db38f6945Stephen Hines } 284569986da116ed602c752395f9563260db38f6945Stephen Hines 285569986da116ed602c752395f9563260db38f6945Stephen Hines mExportFuncCount = FuncNameMetadata->getNumOperands(); 286569986da116ed602c752395f9563260db38f6945Stephen Hines if (!mExportFuncCount) { 287569986da116ed602c752395f9563260db38f6945Stephen Hines return true; 288569986da116ed602c752395f9563260db38f6945Stephen Hines } 289569986da116ed602c752395f9563260db38f6945Stephen Hines 290569986da116ed602c752395f9563260db38f6945Stephen Hines const char **TmpNameList = new const char*[mExportFuncCount]; 291569986da116ed602c752395f9563260db38f6945Stephen Hines 292569986da116ed602c752395f9563260db38f6945Stephen Hines for (size_t i = 0; i < mExportFuncCount; i++) { 293569986da116ed602c752395f9563260db38f6945Stephen Hines llvm::MDNode *Name = FuncNameMetadata->getOperand(i); 294569986da116ed602c752395f9563260db38f6945Stephen Hines if (Name != NULL && Name->getNumOperands() == 1) { 295569986da116ed602c752395f9563260db38f6945Stephen Hines TmpNameList[i] = createStringFromValue(Name->getOperand(0)); 296569986da116ed602c752395f9563260db38f6945Stephen Hines } 297569986da116ed602c752395f9563260db38f6945Stephen Hines } 298569986da116ed602c752395f9563260db38f6945Stephen Hines 299569986da116ed602c752395f9563260db38f6945Stephen Hines mExportFuncNameList = TmpNameList; 300569986da116ed602c752395f9563260db38f6945Stephen Hines 301569986da116ed602c752395f9563260db38f6945Stephen Hines return true; 302569986da116ed602c752395f9563260db38f6945Stephen Hines} 303569986da116ed602c752395f9563260db38f6945Stephen Hines 304569986da116ed602c752395f9563260db38f6945Stephen Hines 30533f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hinesbool MetadataExtractor::populateForEachMetadata( 306cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines const llvm::NamedMDNode *Names, 307cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines const llvm::NamedMDNode *Signatures) { 308cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines if (!Names || !Signatures) { 3090231bb069417690bb4f513b80a9c0238112744f7Stephen Hines // Handle legacy case for pre-ICS bitcode that doesn't contain a metadata 3100231bb069417690bb4f513b80a9c0238112744f7Stephen Hines // section for ForEach. We generate a full signature for a "root" function 3110231bb069417690bb4f513b80a9c0238112744f7Stephen Hines // which means that we need to set the bottom 5 bits in the mask. 3120231bb069417690bb4f513b80a9c0238112744f7Stephen Hines mExportForEachSignatureCount = 1; 313cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines char **TmpNameList = new char*[mExportForEachSignatureCount]; 314cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines TmpNameList[0] = new char[5]; 315cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines strncpy(TmpNameList[0], "root", 5); 316cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines 3170231bb069417690bb4f513b80a9c0238112744f7Stephen Hines uint32_t *TmpSigList = new uint32_t[mExportForEachSignatureCount]; 3180231bb069417690bb4f513b80a9c0238112744f7Stephen Hines TmpSigList[0] = 0x1f; 319569986da116ed602c752395f9563260db38f6945Stephen Hines 320cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mExportForEachNameList = (const char**)TmpNameList; 3210231bb069417690bb4f513b80a9c0238112744f7Stephen Hines mExportForEachSignatureList = TmpSigList; 32233f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines return true; 32333f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 32433f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 325cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines mExportForEachSignatureCount = Signatures->getNumOperands(); 32633f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines if (!mExportForEachSignatureCount) { 32733f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines return true; 32833f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 32933f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 33033f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines uint32_t *TmpSigList = new uint32_t[mExportForEachSignatureCount]; 331569986da116ed602c752395f9563260db38f6945Stephen Hines const char **TmpNameList = new const char*[mExportForEachSignatureCount]; 33233f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 33333f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines for (size_t i = 0; i < mExportForEachSignatureCount; i++) { 334cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines llvm::MDNode *SigNode = Signatures->getOperand(i); 33533f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines if (SigNode != NULL && SigNode->getNumOperands() == 1) { 33633f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines llvm::Value *SigVal = SigNode->getOperand(0); 33733f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines if (SigVal->getValueID() == llvm::Value::MDStringVal) { 33833f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines llvm::StringRef SigString = 33933f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines static_cast<llvm::MDString*>(SigVal)->getString(); 34033f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines uint32_t Signature = 0; 34133f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines if (SigString.getAsInteger(10, Signature)) { 34210c1412e6cb35cfc90abb5e36ba1340a8c55f44eSteve Block ALOGE("Non-integer signature value '%s'", SigString.str().c_str()); 34333f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines return false; 34433f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 34533f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines TmpSigList[i] = Signature; 34633f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 34733f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 34833f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 34933f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 350cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines for (size_t i = 0; i < mExportForEachSignatureCount; i++) { 351cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines llvm::MDNode *Name = Names->getOperand(i); 352cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines if (Name != NULL && Name->getNumOperands() == 1) { 353569986da116ed602c752395f9563260db38f6945Stephen Hines TmpNameList[i] = createStringFromValue(Name->getOperand(0)); 354cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines } 355cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines } 356cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines 357569986da116ed602c752395f9563260db38f6945Stephen Hines mExportForEachNameList = TmpNameList; 358569986da116ed602c752395f9563260db38f6945Stephen Hines mExportForEachSignatureList = TmpSigList; 359569986da116ed602c752395f9563260db38f6945Stephen Hines 36033f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines return true; 36133f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines} 36233f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 36333f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 364932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hinesbool MetadataExtractor::extract() { 365569986da116ed602c752395f9563260db38f6945Stephen Hines if (!(mBitcode && mBitcodeSize) && !mModule) { 366569986da116ed602c752395f9563260db38f6945Stephen Hines ALOGE("Invalid/empty bitcode/module"); 367932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return false; 368932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 369932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 370569986da116ed602c752395f9563260db38f6945Stephen Hines llvm::OwningPtr<llvm::LLVMContext> mContext; 371569986da116ed602c752395f9563260db38f6945Stephen Hines 372569986da116ed602c752395f9563260db38f6945Stephen Hines if (!mModule) { 373569986da116ed602c752395f9563260db38f6945Stephen Hines mContext.reset(new llvm::LLVMContext()); 374569986da116ed602c752395f9563260db38f6945Stephen Hines llvm::OwningPtr<llvm::MemoryBuffer> MEM( 375569986da116ed602c752395f9563260db38f6945Stephen Hines llvm::MemoryBuffer::getMemBuffer( 376569986da116ed602c752395f9563260db38f6945Stephen Hines llvm::StringRef(mBitcode, mBitcodeSize))); 377569986da116ed602c752395f9563260db38f6945Stephen Hines std::string error; 378569986da116ed602c752395f9563260db38f6945Stephen Hines 379569986da116ed602c752395f9563260db38f6945Stephen Hines // Module ownership is handled by the context, so we don't need to free it. 380569986da116ed602c752395f9563260db38f6945Stephen Hines mModule = llvm::ParseBitcodeFile(MEM.get(), *mContext, &error); 381569986da116ed602c752395f9563260db38f6945Stephen Hines if (!mModule) { 382569986da116ed602c752395f9563260db38f6945Stephen Hines ALOGE("Could not parse bitcode file"); 383569986da116ed602c752395f9563260db38f6945Stephen Hines ALOGE("%s", error.c_str()); 384569986da116ed602c752395f9563260db38f6945Stephen Hines return false; 385569986da116ed602c752395f9563260db38f6945Stephen Hines } 386932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 387932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 388932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines const llvm::NamedMDNode *ExportVarMetadata = 389569986da116ed602c752395f9563260db38f6945Stephen Hines mModule->getNamedMetadata(ExportVarMetadataName); 390932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines const llvm::NamedMDNode *ExportFuncMetadata = 391569986da116ed602c752395f9563260db38f6945Stephen Hines mModule->getNamedMetadata(ExportFuncMetadataName); 392cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines const llvm::NamedMDNode *ExportForEachNameMetadata = 393569986da116ed602c752395f9563260db38f6945Stephen Hines mModule->getNamedMetadata(ExportForEachNameMetadataName); 39433f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines const llvm::NamedMDNode *ExportForEachMetadata = 395569986da116ed602c752395f9563260db38f6945Stephen Hines mModule->getNamedMetadata(ExportForEachMetadataName); 396932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines const llvm::NamedMDNode *PragmaMetadata = 397569986da116ed602c752395f9563260db38f6945Stephen Hines mModule->getNamedMetadata(PragmaMetadataName); 398932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines const llvm::NamedMDNode *ObjectSlotMetadata = 399569986da116ed602c752395f9563260db38f6945Stephen Hines mModule->getNamedMetadata(ObjectSlotMetadataName); 400094881f513ab366f7ffd0b2c7778ab50281ca59eDaniel Malea 401932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 402569986da116ed602c752395f9563260db38f6945Stephen Hines if (!populateVarNameMetadata(ExportVarMetadata)) { 403569986da116ed602c752395f9563260db38f6945Stephen Hines ALOGE("Could not populate export variable metadata"); 404569986da116ed602c752395f9563260db38f6945Stephen Hines return false; 405932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 406932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 407569986da116ed602c752395f9563260db38f6945Stephen Hines if (!populateFuncNameMetadata(ExportFuncMetadata)) { 408569986da116ed602c752395f9563260db38f6945Stephen Hines ALOGE("Could not populate export function metadata"); 409569986da116ed602c752395f9563260db38f6945Stephen Hines return false; 410932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 411932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 412cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines if (!populateForEachMetadata(ExportForEachNameMetadata, 413cc366e573e31f43a6101fd6e04b90c6afdc3b7a7Stephen Hines ExportForEachMetadata)) { 41410c1412e6cb35cfc90abb5e36ba1340a8c55f44eSteve Block ALOGE("Could not populate ForEach signature metadata"); 41533f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines return false; 41633f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines } 41733f8fe2bfafe00ad2c74e4590ffdd0bcfc5eb31dStephen Hines 418932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines populatePragmaMetadata(PragmaMetadata); 419932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 420932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines if (!populateObjectSlotMetadata(ObjectSlotMetadata)) { 42110c1412e6cb35cfc90abb5e36ba1340a8c55f44eSteve Block ALOGE("Could not populate object slot metadata"); 422932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return false; 423932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines } 424932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 425932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines return true; 426932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} 427932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 428932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines} // namespace bcinfo 429932bc6e35bcef7adff05d890a9dcc7212426fb6aStephen Hines 430