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| author | Reid Spencer <rspencer@reidspencer.com> | 2007-04-11 02:02:09 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-04-11 02:02:09 +0000 |
| commit | 947aa7de67c553a0bbf0ef60173f23a8747014bf (patch) | |
| tree | c4c09daf5df13864c42d272bfa9727e746e6e078 /lib/System/Path.cpp | |
| parent | f4b1818728fb5cb0740cf5362faf72dd66ccf3ea (diff) | |
| download | llvm-947aa7de67c553a0bbf0ef60173f23a8747014bf.tar.gz llvm-947aa7de67c553a0bbf0ef60173f23a8747014bf.tar.bz2 llvm-947aa7de67c553a0bbf0ef60173f23a8747014bf.tar.xz | |
Teach sys::Path how to recognize different kinds of object files for ELF
and Mach-O systems. Additionally, correct the Mach-O logic code to look at
byte 12 not byte 15. Hopefully this fixes the llvm-ld warning on Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35876 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/System/Path.cpp')
| -rw-r--r-- | lib/System/Path.cpp | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/lib/System/Path.cpp b/lib/System/Path.cpp index 0bd48490bb..a028696c13 100644 --- a/lib/System/Path.cpp +++ b/lib/System/Path.cpp @@ -58,7 +58,14 @@ sys::IdentifyFileType(const char*magic, unsigned length) { case '\177': if (magic[1] == 'E' && magic[2] == 'L' && magic[3] == 'F') - return ELF_FileType; + if (length >= 18 && magic[17] == 0) + switch (magic[16]) { + default: break; + case 1: return ELF_Relocatable_FileType; + case 2: return ELF_Executable_FileType; + case 3: return ELF_SharedObject_FileType; + case 4: return ELF_Core_FileType; + } break; case 0xCE: @@ -67,10 +74,19 @@ sys::IdentifyFileType(const char*magic, unsigned length) { // See the Mach-O section in /usr/share/file/magic for details. if (magic[1] == char(0xFA) && magic[2] == char(0xED) && magic[3] == char(0xFE)) - if (length >= 15) - if (magic[15] == 1 || magic[15] == 3 || magic[15] == 6 || - magic[15] == 9) - return Mach_O_FileType; + if (length >= 14 && magic[13] == 0) + switch (magic[12]) { + default: break; + case 1: return Mach_O_Object_FileType; + case 2: return Mach_O_Executable_FileType; + case 3: return Mach_O_FixedVirtualMemorySharedLib_FileType; + case 4: return Mach_O_Core_FileType; + case 5: return Mach_O_PreloadExectuable_FileType; + case 6: return Mach_O_DynamicallyLinkedSharedLib_FileType; + case 7: return Mach_O_DynamicLinker_FileType; + case 8: return Mach_O_Bundle_FileType; + case 9: return Mach_O_DynamicallyLinkedSharedLibStub_FileType; + } break; case 0xF0: // PowerPC Windows @@ -108,8 +124,10 @@ Path::isDynamicLibrary() const { if (getMagicNumber(Magic, 64)) switch (IdentifyFileType(Magic.c_str(), Magic.length())) { default: return false; - case ELF_FileType: - case Mach_O_FileType: + case Mach_O_FixedVirtualMemorySharedLib_FileType: + case Mach_O_DynamicallyLinkedSharedLib_FileType: + case Mach_O_DynamicallyLinkedSharedLibStub_FileType: + case ELF_SharedObject_FileType: case COFF_FileType: return true; } } |