[ELF] - Support of compressed input sections implemented.
Patch implements support of zlib style compressed sections.
SHF_COMPRESSED flag is used to recognize that decompression is required.
After that decompression is performed and flag is removed from output.
Differential revision: http://reviews.llvm.org/D20272
llvm-svn: 273661
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 9875269..6a40164 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -623,7 +623,7 @@
OutputSectionFactory<ELFT>::createKey(InputSectionBase<ELFT> *C,
StringRef OutsecName) {
const Elf_Shdr *H = C->getSectionHdr();
- uintX_t Flags = H->sh_flags & ~SHF_GROUP;
+ uintX_t Flags = H->sh_flags & ~SHF_GROUP & ~SHF_COMPRESSED;
// For SHF_MERGE we create different output sections for each alignment.
// This makes each output section simple and keeps a single level mapping from