diff options
Diffstat (limited to 'llvm/lib/MC/MachObjectWriter.cpp')
| -rw-r--r-- | llvm/lib/MC/MachObjectWriter.cpp | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/llvm/lib/MC/MachObjectWriter.cpp b/llvm/lib/MC/MachObjectWriter.cpp index c2e8dc1ef65..2fa65658ccf 100644 --- a/llvm/lib/MC/MachObjectWriter.cpp +++ b/llvm/lib/MC/MachObjectWriter.cpp @@ -846,18 +846,27 @@ uint64_t MachObjectWriter::writeObject(MCAssembler &Asm, // Write out the deployment target information, if it's available. if (VersionInfo.Major != 0) { - assert(VersionInfo.Update < 256 && "unencodable update target version"); - assert(VersionInfo.Minor < 256 && "unencodable minor target version"); - assert(VersionInfo.Major < 65536 && "unencodable major target version"); - uint32_t EncodedVersion = VersionInfo.Update | (VersionInfo.Minor << 8) | - (VersionInfo.Major << 16); + auto EncodeVersion = [](VersionTuple V) -> uint32_t { + assert(!V.empty() && "empty version"); + unsigned Update = V.getSubminor() ? *V.getSubminor() : 0; + unsigned Minor = V.getMinor() ? *V.getMinor() : 0; + assert(Update < 256 && "unencodable update target version"); + assert(Minor < 256 && "unencodable minor target version"); + assert(V.getMajor() < 65536 && "unencodable major target version"); + return Update | (Minor << 8) | (V.getMajor() << 16); + }; + uint32_t EncodedVersion = EncodeVersion( + VersionTuple(VersionInfo.Major, VersionInfo.Minor, VersionInfo.Update)); + uint32_t SDKVersion = !VersionInfo.SDKVersion.empty() + ? EncodeVersion(VersionInfo.SDKVersion) + : 0; if (VersionInfo.EmitBuildVersion) { // FIXME: Currently empty tools. Add clang version in the future. W.write<uint32_t>(MachO::LC_BUILD_VERSION); W.write<uint32_t>(sizeof(MachO::build_version_command)); W.write<uint32_t>(VersionInfo.TypeOrPlatform.Platform); W.write<uint32_t>(EncodedVersion); - W.write<uint32_t>(0); // SDK version. + W.write<uint32_t>(SDKVersion); W.write<uint32_t>(0); // Empty tools list. } else { MachO::LoadCommandType LCType @@ -865,7 +874,7 @@ uint64_t MachObjectWriter::writeObject(MCAssembler &Asm, W.write<uint32_t>(LCType); W.write<uint32_t>(sizeof(MachO::version_min_command)); W.write<uint32_t>(EncodedVersion); - W.write<uint32_t>(0); // reserved. + W.write<uint32_t>(SDKVersion); } } |
