[lld] r259460 - Add comments.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Mon Feb  1 21:11:27 2016
New Revision: 259460

URL: http://llvm.org/viewvc/llvm-project?rev=259460&view=rev
Log:
Add comments.

Modified:
    lld/trunk/ELF/OutputSections.h

Modified: lld/trunk/ELF/OutputSections.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/OutputSections.h?rev=259460&r1=259459&r2=259460&view=diff
==============================================================================
--- lld/trunk/ELF/OutputSections.h (original)
+++ lld/trunk/ELF/OutputSections.h Mon Feb  1 21:11:27 2016
@@ -395,6 +395,10 @@ class DynamicSection final : public Outp
   typedef typename llvm::object::ELFFile<ELFT>::Elf_Sym Elf_Sym;
   typedef typename llvm::object::ELFFile<ELFT>::uintX_t uintX_t;
 
+  // The .dynamic section contains information for the dynamic linker.
+  // The section consists of fixed size entries, which consist of
+  // type and value fields. Value are one of plain integers, symbol
+  // addresses, or section addresses. This struct represents the entry.
   struct Entry {
     int32_t Tag;
     union {
@@ -409,6 +413,10 @@ class DynamicSection final : public Outp
     Entry(int32_t Tag, const SymbolBody *Sym)
         : Tag(Tag), Sym(Sym), Kind(SymAddr) {}
   };
+
+  // finalize() fills this vector with the section contents. finalize()
+  // cannot directly create final section contents because when the
+  // function is called, symbol or section addresses are not fixed yet.
   std::vector<Entry> Entries;
 
 public: