diff options
Diffstat (limited to 'llvm/tools/llvm-objcopy/ELF/Object.cpp')
| -rw-r--r-- | llvm/tools/llvm-objcopy/ELF/Object.cpp | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/llvm/tools/llvm-objcopy/ELF/Object.cpp b/llvm/tools/llvm-objcopy/ELF/Object.cpp index d66948a0f46..09d6d827465 100644 --- a/llvm/tools/llvm-objcopy/ELF/Object.cpp +++ b/llvm/tools/llvm-objcopy/ELF/Object.cpp @@ -755,7 +755,7 @@ void Section::initialize(SectionTableRef SecTable) { void Section::finalize() { this->Link = LinkSection ? LinkSection->Index : 0; } -void GnuDebugLinkSection::init(StringRef File, StringRef Data) { +void GnuDebugLinkSection::init(StringRef File) { FileName = sys::path::filename(File); // The format for the .gnu_debuglink starts with the file name and is // followed by a null terminator and then the CRC32 of the file. The CRC32 @@ -770,21 +770,12 @@ void GnuDebugLinkSection::init(StringRef File, StringRef Data) { // establish the order that sections should go in. By using the maximum // possible offset we cause this section to wind up at the end. OriginalOffset = std::numeric_limits<uint64_t>::max(); - JamCRC CRC; - CRC.update(ArrayRef<char>(Data.data(), Data.size())); - // The CRC32 value needs to be complemented because the JamCRC dosn't - // finalize the CRC32 value. It also dosn't negate the initial CRC32 value - // but it starts by default at 0xFFFFFFFF which is the complement of zero. - CRC32 = ~CRC.getCRC(); -} - -GnuDebugLinkSection::GnuDebugLinkSection(StringRef File) : FileName(File) { - // Read in the file to compute the CRC of it. - auto DebugOrErr = MemoryBuffer::getFile(File); - if (!DebugOrErr) - error("'" + File + "': " + DebugOrErr.getError().message()); - auto Debug = std::move(*DebugOrErr); - init(File, Debug->getBuffer()); +} + +GnuDebugLinkSection::GnuDebugLinkSection(StringRef File, + uint32_t PrecomputedCRC) + : FileName(File), CRC32(PrecomputedCRC) { + init(File); } template <class ELFT> |
