#include "llvm-c/lto.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringSet.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCObjectFileInfo.h"
///
struct LTOModule {
private:
- typedef StringMap<uint8_t> StringSet;
-
struct NameAndAttributes {
const char *name;
uint32_t attributes;
const GlobalValue *symbol;
};
+ std::unique_ptr<LLVMContext> OwnedContext;
+
+ std::string LinkerOpts;
+
std::unique_ptr<object::IRObjectFile> IRFile;
std::unique_ptr<TargetMachine> _target;
- StringSet _linkeropt_strings;
- std::vector<const char *> _deplibs;
- std::vector<const char *> _linkeropts;
- std::vector<NameAndAttributes> _symbols;
+ std::vector<NameAndAttributes> _symbols;
// _defines and _undefines only needed to disambiguate tentative definitions
- StringSet _defines;
+ StringSet<> _defines;
StringMap<NameAndAttributes> _undefines;
std::vector<const char*> _asm_undefines;
LTOModule(std::unique_ptr<object::IRObjectFile> Obj, TargetMachine *TM);
+ LTOModule(std::unique_ptr<object::IRObjectFile> Obj, TargetMachine *TM,
+ std::unique_ptr<LLVMContext> Context);
public:
+ ~LTOModule();
+
/// 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);
static bool isBitcodeForTarget(MemoryBuffer *memBuffer,
StringRef triplePrefix);
+ /// Returns a string representing the producer identification stored in the
+ /// bitcode, or "" if the bitcode does not contains any.
+ ///
+ static std::string getProducerString(MemoryBuffer *Buffer);
+
/// Create a MemoryBuffer from a memory range with an optional name.
static std::unique_ptr<MemoryBuffer>
makeBuffer(const void *mem, size_t length, StringRef name = "");
/// InitializeAllTargetMCs();
/// InitializeAllAsmPrinters();
/// InitializeAllAsmParsers();
- static LTOModule *createFromFile(const char *path, TargetOptions options,
- std::string &errMsg);
- static LTOModule *createFromOpenFile(int fd, const char *path, size_t size,
- TargetOptions options,
- std::string &errMsg);
- static LTOModule *createFromOpenFileSlice(int fd, const char *path,
- size_t map_size, off_t offset,
- TargetOptions options,
- std::string &errMsg);
- static LTOModule *createFromBuffer(const void *mem, size_t length,
- TargetOptions options, std::string &errMsg,
- StringRef path = "");
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ createFromFile(LLVMContext &Context, const char *path, TargetOptions options);
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ createFromOpenFile(LLVMContext &Context, int fd, const char *path,
+ size_t size, TargetOptions options);
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ createFromOpenFileSlice(LLVMContext &Context, int fd, const char *path,
+ size_t map_size, off_t offset, TargetOptions options);
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ createFromBuffer(LLVMContext &Context, const void *mem, size_t length,
+ TargetOptions options, StringRef path = "");
+
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ createInLocalContext(const void *mem, size_t length, TargetOptions options,
+ StringRef path);
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ createInContext(const void *mem, size_t length, TargetOptions options,
+ StringRef path, LLVMContext *Context);
const Module &getModule() const {
return const_cast<LTOModule*>(this)->getModule();
return IRFile->getModule();
}
+ std::unique_ptr<Module> takeModule() { return IRFile->takeModule(); }
+
/// Return the Module's target triple.
const std::string &getTargetTriple() {
return getModule().getTargetTriple();
return nullptr;
}
- /// Get the number of dependent libraries
- uint32_t getDependentLibraryCount() {
- return _deplibs.size();
- }
-
- /// Get the dependent library at the specified index.
- const char *getDependentLibrary(uint32_t index) {
- if (index < _deplibs.size())
- return _deplibs[index];
+ const GlobalValue *getSymbolGV(uint32_t index) {
+ if (index < _symbols.size())
+ return _symbols[index].symbol;
return nullptr;
}
- /// Get the number of linker options
- uint32_t getLinkerOptCount() {
- return _linkeropts.size();
- }
-
- /// Get the linker option at the specified index.
- const char *getLinkerOpt(uint32_t index) {
- if (index < _linkeropts.size())
- return _linkeropts[index];
- return nullptr;
+ const char *getLinkerOpts() {
+ return LinkerOpts.c_str();
}
const std::vector<const char*> &getAsmUndefinedRefs() {
/// 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);
+ void parseSymbols();
/// Add a symbol which isn't defined just yet to a list to be resolved later.
void addPotentialUndefinedSymbol(const object::BasicSymbolRef &Sym,
/// Get string that the data pointer points to.
bool objcClassNameFromExpression(const Constant *c, std::string &name);
- /// Create an LTOModule (private version). N.B. This method takes ownership of
- /// the buffer.
- static LTOModule *makeLTOModule(std::unique_ptr<MemoryBuffer> Buffer,
- TargetOptions options, std::string &errMsg);
+ /// Create an LTOModule (private version).
+ static ErrorOr<std::unique_ptr<LTOModule>>
+ makeLTOModule(MemoryBufferRef Buffer, TargetOptions options,
+ LLVMContext *Context);
};
}
#endif