}
};
+static uint32_t readMachOMagic(const char *InputBuffer, unsigned BufferSize) {
+ if (BufferSize < 4)
+ return 0;
+ StringRef Magic(InputBuffer, 4);
+ if (Magic == "\xFE\xED\xFA\xCE" || Magic == "\xCE\xFA\xED\xFE")
+ return 0xFEEDFACE;
+ else if (Magic == "\xFE\xED\xFA\xCF" || Magic == "\xCF\xFA\xED\xFE")
+ return 0xFEEDFACF;
+ // else
+ return 0;
+}
+
ObjectImage *RuntimeDyldMachO::createObjectImage(ObjectBuffer *Buffer) {
- uint32_t magic = *((const uint32_t *)Buffer->getBufferStart());
+ uint32_t magic = readMachOMagic(Buffer->getBufferStart(),
+ Buffer->getBufferSize());
bool is64 = (magic == MachO::MH_MAGIC_64);
assert((magic == MachO::MH_MAGIC_64 || magic == MachO::MH_MAGIC) &&
"Unrecognized Macho Magic");
MemoryBuffer *Buffer =
MemoryBuffer::getMemBuffer(ObjFile->getData(), "", false);
- uint32_t magic = *((const uint32_t *)Buffer->getBufferStart());
+ uint32_t magic = readMachOMagic(Buffer->getBufferStart(),
+ Buffer->getBufferSize());
bool is64 = (magic == MachO::MH_MAGIC_64);
assert((magic == MachO::MH_MAGIC_64 || magic == MachO::MH_MAGIC) &&
"Unrecognized Macho Magic");
bool
RuntimeDyldMachO::isCompatibleFormat(const ObjectBuffer *InputBuffer) const {
- if (InputBuffer->getBufferSize() < 4)
- return false;
- StringRef Magic(InputBuffer->getBufferStart(), 4);
- if (Magic == "\xFE\xED\xFA\xCE")
- return true;
- if (Magic == "\xCE\xFA\xED\xFE")
- return true;
- if (Magic == "\xFE\xED\xFA\xCF")
- return true;
- if (Magic == "\xCF\xFA\xED\xFE")
- return true;
- return false;
+ uint32_t Magic = readMachOMagic(InputBuffer->getBufferStart(),
+ InputBuffer->getBufferSize());
+ return (Magic == 0xFEEDFACE || Magic == 0xFEEDFACF);
}
bool RuntimeDyldMachO::isCompatibleFile(const object::ObjectFile *Obj) const {