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Diffstat (limited to 'tools/lto/LTOModule.h')
| -rw-r--r-- | tools/lto/LTOModule.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/tools/lto/LTOModule.h b/tools/lto/LTOModule.h deleted file mode 100644 index 902e9c5..0000000 --- a/tools/lto/LTOModule.h +++ /dev/null @@ -1,190 +0,0 @@ -//===-LTOModule.h - LLVM Link Time Optimizer ------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file declares the LTOModule class. -// -//===----------------------------------------------------------------------===// - -#ifndef LTO_MODULE_H -#define LTO_MODULE_H - -#include "llvm-c/lto.h" -#include "llvm/ADT/OwningPtr.h" -#include "llvm/ADT/StringMap.h" -#include "llvm/IR/Module.h" -#include "llvm/MC/MCContext.h" -#include "llvm/Target/Mangler.h" -#include "llvm/Target/TargetMachine.h" -#include <string> -#include <vector> - -// Forward references to llvm classes. -namespace llvm { - class Function; - class GlobalValue; - class MemoryBuffer; - class TargetOptions; - class Value; -} - -//===----------------------------------------------------------------------===// -/// LTOModule - C++ class which implements the opaque lto_module_t type. -/// -struct LTOModule { -private: - typedef llvm::StringMap<uint8_t> StringSet; - - struct NameAndAttributes { - const char *name; - uint32_t attributes; - bool isFunction; - const llvm::GlobalValue *symbol; - }; - - llvm::OwningPtr<llvm::Module> _module; - llvm::OwningPtr<llvm::TargetMachine> _target; - std::vector<NameAndAttributes> _symbols; - - // _defines and _undefines only needed to disambiguate tentative definitions - StringSet _defines; - llvm::StringMap<NameAndAttributes> _undefines; - std::vector<const char*> _asm_undefines; - llvm::MCContext _context; - - // Use mangler to add GlobalPrefix to names to match linker names. - llvm::Mangler _mangler; - - LTOModule(llvm::Module *m, llvm::TargetMachine *t); -public: - /// isBitcodeFile - Returns 'true' if the file or memory contents is LLVM - /// bitcode. - static bool isBitcodeFile(const void *mem, size_t length); - static bool isBitcodeFile(const char *path); - - /// isBitcodeFileForTarget - Returns 'true' if the file or memory contents - /// is LLVM bitcode for the specified triple. - static bool isBitcodeFileForTarget(const void *mem, - size_t length, - const char *triplePrefix); - static bool isBitcodeFileForTarget(const char *path, - const char *triplePrefix); - - /// makeLTOModule - Create an LTOModule. N.B. These methods take ownership - /// of the buffer. - static LTOModule *makeLTOModule(const char* path, - std::string &errMsg); - static LTOModule *makeLTOModule(int fd, const char *path, - size_t size, std::string &errMsg); - static LTOModule *makeLTOModule(int fd, const char *path, - size_t map_size, - off_t offset, - std::string& errMsg); - static LTOModule *makeLTOModule(const void *mem, size_t length, - std::string &errMsg); - - /// getTargetTriple - Return the Module's target triple. - const char *getTargetTriple() { - return _module->getTargetTriple().c_str(); - } - - /// setTargetTriple - Set the Module's target triple. - void setTargetTriple(const char *triple) { - _module->setTargetTriple(triple); - } - - /// getSymbolCount - Get the number of symbols - uint32_t getSymbolCount() { - return _symbols.size(); - } - - /// getSymbolAttributes - Get the attributes for a symbol at the specified - /// index. - lto_symbol_attributes getSymbolAttributes(uint32_t index) { - if (index < _symbols.size()) - return lto_symbol_attributes(_symbols[index].attributes); - return lto_symbol_attributes(0); - } - - /// getSymbolName - Get the name of the symbol at the specified index. - const char *getSymbolName(uint32_t index) { - if (index < _symbols.size()) - return _symbols[index].name; - return NULL; - } - - /// getLLVVMModule - Return the Module. - llvm::Module *getLLVVMModule() { return _module.get(); } - - /// getAsmUndefinedRefs - - const std::vector<const char*> &getAsmUndefinedRefs() { - return _asm_undefines; - } - - /// getTargetOptions - Fill the TargetOptions object with the options - /// specified on the command line. - static void getTargetOptions(llvm::TargetOptions &Options); - -private: - /// parseSymbols - Parse the symbols from the module and model-level ASM and - /// add them to either the defined or undefined lists. - bool parseSymbols(std::string &errMsg); - - /// addPotentialUndefinedSymbol - Add a symbol which isn't defined just yet - /// to a list to be resolved later. - void addPotentialUndefinedSymbol(const llvm::GlobalValue *dcl, bool isFunc); - - /// addDefinedSymbol - Add a defined symbol to the list. - void addDefinedSymbol(const llvm::GlobalValue *def, bool isFunction); - - /// addDefinedFunctionSymbol - Add a function symbol as defined to the list. - void addDefinedFunctionSymbol(const llvm::Function *f); - - /// addDefinedDataSymbol - Add a data symbol as defined to the list. - void addDefinedDataSymbol(const llvm::GlobalValue *v); - - /// addAsmGlobalSymbols - Add global symbols from module-level ASM to the - /// defined or undefined lists. - bool addAsmGlobalSymbols(std::string &errMsg); - - /// addAsmGlobalSymbol - Add a global symbol from module-level ASM to the - /// defined list. - void addAsmGlobalSymbol(const char *, lto_symbol_attributes scope); - - /// addAsmGlobalSymbolUndef - Add a global symbol from module-level ASM to - /// the undefined list. - void addAsmGlobalSymbolUndef(const char *); - - /// addObjCClass - Parse i386/ppc ObjC class data structure. - void addObjCClass(const llvm::GlobalVariable *clgv); - - /// addObjCCategory - Parse i386/ppc ObjC category data structure. - void addObjCCategory(const llvm::GlobalVariable *clgv); - - /// addObjCClassRef - Parse i386/ppc ObjC class list data structure. - void addObjCClassRef(const llvm::GlobalVariable *clgv); - - /// objcClassNameFromExpression - Get string that the data pointer points - /// to. - bool objcClassNameFromExpression(const llvm::Constant* c, std::string &name); - - /// isTargetMatch - Returns 'true' if the memory buffer is for the specified - /// target triple. - static bool isTargetMatch(llvm::MemoryBuffer *memBuffer, - const char *triplePrefix); - - /// makeLTOModule - Create an LTOModule (private version). N.B. This - /// method takes ownership of the buffer. - static LTOModule *makeLTOModule(llvm::MemoryBuffer *buffer, - std::string &errMsg); - - /// makeBuffer - Create a MemoryBuffer from a memory range. - static llvm::MemoryBuffer *makeBuffer(const void *mem, size_t length); -}; - -#endif // LTO_MODULE_H |