diff options
Diffstat (limited to 'llvm/lib/Support/Path.cpp')
-rw-r--r-- | llvm/lib/Support/Path.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp index ef75fc1cd83..4d69b25f8fc 100644 --- a/llvm/lib/Support/Path.cpp +++ b/llvm/lib/Support/Path.cpp @@ -901,10 +901,16 @@ file_magic identify_magic(StringRef Magic) { return file_magic::unknown; switch ((unsigned char)Magic[0]) { case 0x00: { - // COFF short import library file + // COFF bigobj or short import library file if (Magic[1] == (char)0x00 && Magic[2] == (char)0xff && - Magic[3] == (char)0xff) - return file_magic::coff_import_library; + 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; + } // Windows resource file const char Expected[] = { 0, 0, 0, 0, '\x20', 0, 0, 0, '\xff' }; if (Magic.size() >= sizeof(Expected) && |