const char *getBufferStart() const { return Buffer->getBufferStart(); }
size_t getBufferSize() const { return Buffer->getBufferSize(); }
+ StringRef getBuffer() const { return Buffer->getBuffer(); }
protected:
// The memory contained in an ObjectBuffer
/// This utility function allows any memory block to be examined in order
/// to determine its file type.
- LLVMFileType identifyFileType(const char *Magic, unsigned Length);
+ LLVMFileType identifyFileType(StringRef Magic);
inline LLVMFileType IdentifyFileType(const char *Magic, unsigned Length) {
- return identifyFileType(Magic, Length);
+ return identifyFileType(StringRef(Magic, Length));
}
/// This function can be used to copy the file specified by Src to the
}
// Determine what kind of file it is.
- switch (sys::IdentifyFileType(signature,4)) {
+ switch (sys::identifyFileType(StringRef(signature, 4))) {
case sys::Bitcode_FileType:
flags |= BitcodeFlag;
break;
}
// Determine if this is a bitcode file
- switch (sys::IdentifyFileType(At, 4)) {
+ switch (sys::identifyFileType(StringRef(At, 4))) {
case sys::Bitcode_FileType:
flags |= ArchiveMember::BitcodeFlag;
break;
ObjectImage *RuntimeDyld::loadObject(ObjectBuffer *InputBuffer) {
if (!Dyld) {
- sys::LLVMFileType type = sys::IdentifyFileType(
- InputBuffer->getBufferStart(),
- static_cast<unsigned>(InputBuffer->getBufferSize()));
+ sys::LLVMFileType type = sys::identifyFileType(InputBuffer->getBuffer());
switch (type) {
case sys::ELF_Relocatable_FileType:
case sys::ELF_Executable_FileType:
OwningPtr<MemoryBuffer> scopedSource(Source);
if (!Source)
return make_error_code(errc::invalid_argument);
- sys::LLVMFileType type = sys::IdentifyFileType(Source->getBufferStart(),
- static_cast<unsigned>(Source->getBufferSize()));
+ sys::LLVMFileType type = sys::identifyFileType(Source->getBuffer());
error_code ec;
switch (type) {
case sys::Archive_FileType: {
ObjectFile *ObjectFile::createObjectFile(MemoryBuffer *Object) {
if (!Object || Object->getBufferSize() < 64)
return 0;
- sys::LLVMFileType type = sys::IdentifyFileType(Object->getBufferStart(),
- static_cast<unsigned>(Object->getBufferSize()));
+ sys::LLVMFileType type = sys::identifyFileType(Object->getBuffer());
switch (type) {
case sys::Unknown_FileType:
return 0;
}
LLVMFileType
-sys::identifyFileType(const char *Magic, unsigned Length) {
- assert(Magic && "Invalid magic number string");
- assert(Length >=4 && "Invalid magic number length");
+sys::identifyFileType(StringRef Magic) {
+ unsigned Length = Magic.size();
+ assert(Length >= 4 && "Invalid magic number length");
switch ((unsigned char)Magic[0]) {
case 0xDE: // 0x0B17C0DE = BC wraper
if (Magic[1] == (char)0xC0 && Magic[2] == (char)0x17 &&
break;
case '!':
if (Length >= 8)
- if (memcmp(Magic,"!<arch>\n",8) == 0)
+ if (memcmp(Magic.data(),"!<arch>\n",8) == 0)
return Archive_FileType;
break;
case 0x4d: // Possible MS-DOS stub on Windows PE file
if (Magic[1] == 0x5a) {
uint32_t off =
- *reinterpret_cast<const ulittle32_t *>(Magic + 0x3c);
+ *reinterpret_cast<const ulittle32_t *>(Magic.data() + 0x3c);
// PE/COFF file, either EXE or DLL.
- if (off < Length && memcmp(Magic + off, "PE\0\0",4) == 0)
+ if (off < Length && memcmp(Magic.data() + off, "PE\0\0",4) == 0)
return COFF_FileType;
}
break;
/// isBitcodeFile - Returns 'true' if the file (or memory contents) is LLVM
/// bitcode.
bool LTOModule::isBitcodeFile(const void *mem, size_t length) {
- return llvm::sys::IdentifyFileType((const char*)mem, length)
+ return llvm::sys::identifyFileType(StringRef((const char*)mem, length))
== llvm::sys::Bitcode_FileType;
}