//
//===----------------------------------------------------------------------===//
+#include "llvm/Support/COFF.h"
+#include "llvm/Support/Endian.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Path.h"
-#include "llvm/Support/Endian.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Process.h"
// COFF bigobj or short import library file
if (Magic[1] == (char)0x00 && Magic[2] == (char)0xff &&
Magic[3] == (char)0xff) {
- const char BigobjMagic[] =
- "\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
- if (Magic.size() >= 28 &&
- memcmp(Magic.data() + 12, BigobjMagic, sizeof(BigobjMagic)) == 0)
- return file_magic::coff_object;
- return file_magic::coff_import_library;
+ size_t MinSize = offsetof(COFF::BigObjHeader, UUID) + sizeof(COFF::BigObjMagic);
+ if (Magic.size() < MinSize)
+ return file_magic::coff_import_library;
+
+ int BigObjVersion = *reinterpret_cast<const support::ulittle16_t*>(
+ Magic.data() + offsetof(COFF::BigObjHeader, Version));
+ if (BigObjVersion < COFF::BigObjHeader::MinBigObjectVersion)
+ return file_magic::coff_import_library;
+
+ const char *Start = Magic.data() + offsetof(COFF::BigObjHeader, UUID);
+ if (memcmp(Start, COFF::BigObjMagic, sizeof(COFF::BigObjMagic)) != 0)
+ return file_magic::coff_import_library;
+ return file_magic::coff_object;
}
// Windows resource file
const char Expected[] = { 0, 0, 0, 0, '\x20', 0, 0, 0, '\xff' };
const char archive[] = "!<arch>\x0A";
const char bitcode[] = "\xde\xc0\x17\x0b";
const char coff_object[] = "\x00\x00......";
-const char coff_bigobj[] = "\x00\x00\xff\xff........"
+const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......"
"\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
const char coff_import_library[] = "\x00\x00\xff\xff....";
const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0,