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* Copyright 2010-2012, The Android Open Source Project
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#ifndef BCC_SOURCE_H
#define BCC_SOURCE_H
#include <string>
namespace llvm {
class Module;
namespace bcinfo {
class MetadataExtractor;
namespace bcc {
class BCCContext;
class Source {
const std::string mName; // A unique name
BCCContext &mContext;
llvm::Module *mModule;
bcinfo::MetadataExtractor *mMetadata;
// If true, destructor won't destroy the mModule.
bool mNoDelete;
// Keep track of whether mModule is destroyed (possibly as a consequence of
// getting linked with a different llvm::Module).
bool mIsModuleDestroyed;
Source(const char* name, BCCContext &pContext, llvm::Module &pModule,
bool pNoDelete = false);
static Source *CreateFromBuffer(BCCContext &pContext,
const char *pName,
const char *pBitcode,
size_t pBitcodeSize);
static Source *CreateFromFile(BCCContext &pContext,
const std::string &pPath);
// Create a Source object from an existing module. If pNoDelete
// is true, destructor won't call delete on the given module.
static Source *CreateFromModule(BCCContext &pContext,
const char* name,
llvm::Module &pModule,
uint32_t compilerVersion,
uint32_t optimizationLevel,
bool pNoDelete = false);
const std::string& getName() const { return mName; }
// Merge the current source with pSource. pSource
// will be destroyed after successfully merged. Return false on error.
bool merge(Source &pSource);
unsigned getCompilerVersion() const;
void getWrapperInformation(unsigned *compilerVersion,
unsigned *optimizationLevel) const;
inline BCCContext &getContext()
{ return mContext; }
inline const BCCContext &getContext() const
{ return mContext; }
void setModule(llvm::Module *pModule);
inline llvm::Module &getModule()
{ return *mModule; }
inline const llvm::Module &getModule() const
{ return *mModule; }
// Get the "identifier" of the bitcode. This will return the value of pName
// when it's created using CreateFromBuffer and pPath if CreateFromFile().
const std::string &getIdentifier() const;
void addBuildChecksumMetadata(const char *) const;
// Get whether debugging has been enabled for this module by checking
// for presence of debug info in the module.
bool getDebugInfoEnabled() const;
// Extract metadata from mModule using MetadataExtractor.
bool extractMetadata();
bcinfo::MetadataExtractor* getMetadata() const { return mMetadata; }
// Mark mModule was destroyed in the process of linking with a different
// llvm::Module
void markModuleDestroyed() { mIsModuleDestroyed = true; }
} // namespace bcc
#endif // BCC_SOURCE_H