From f987fe7869f105707fae0924b478b852a630081f Mon Sep 17 00:00:00 2001 From: Rui Ueyama Date: Tue, 10 Oct 2017 03:40:57 +0000 Subject: [PATCH] Add more comments. llvm-svn: 315267 --- lld/ELF/InputSection.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/lld/ELF/InputSection.h b/lld/ELF/InputSection.h index 686658c629d5..b3cc8624efbe 100644 --- a/lld/ELF/InputSection.h +++ b/lld/ELF/InputSection.h @@ -176,6 +176,9 @@ public: InputSection *getLinkOrderDep() const; + // Compilers emit zlib-compressed debug sections if the -gz option + // is given. This function checks if this section is compressed, and + // if so, decompress in memory. void maybeUncompress(); // Returns a source location string. Used to construct an error message. @@ -183,9 +186,15 @@ public: template std::string getSrcMsg(uint64_t Offset); template std::string getObjMsg(uint64_t Offset); + // Each section knows how to relocate itself. These functions apply + // relocations, assuming that Buf points to this section's copy in + // the mmap'ed output buffer. template void relocate(uint8_t *Buf, uint8_t *BufEnd); void relocateAlloc(uint8_t *Buf, uint8_t *BufEnd); + // The native ELF reloc data type is not very convenient to handle. + // So we convert ELF reloc records to our own records in Relocations.cpp. + // This vector contains such "cooked" relocations. std::vector Relocations; template llvm::ArrayRef getDataAs() const {