Add accessor to get 'visibility' part of st_other field

This new `getVisibility()` function will also be used in the LLD code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221392 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Object/ELFTypes.h b/include/llvm/Object/ELFTypes.h
index 9a23c8c4e49016eea1235ea5c82f2e21396fe935..4bc0c7c2016ed5ee680754d0d5b8503fed2003e4 100644 (file)
--- a/include/llvm/Object/ELFTypes.h
+++ b/include/llvm/Object/ELFTypes.h
@@ -176,6 +176,7 @@ struct Elf_Sym_Base<ELFType<TargetEndianness, MaxAlign, true> > {
 template <class ELFT>
 struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
   using Elf_Sym_Base<ELFT>::st_info;
+  using Elf_Sym_Base<ELFT>::st_other;
 
   // These accessors and mutators correspond to the ELF32_ST_BIND,
   // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
@@ -186,6 +187,9 @@ struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
   void setBindingAndType(unsigned char b, unsigned char t) {
     st_info = (b << 4) + (t & 0x0f);
   }
+
+  /// Access to the STV_xxx flag stored in the first two bits of st_other.
+  unsigned char getVisibility() const { return st_other & 0x3; }
 };
 
 /// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section

diff --git a/tools/obj2yaml/elf2yaml.cpp b/tools/obj2yaml/elf2yaml.cpp
index 8b53ee770a622948c50c8c1e20e996f20ec6fad9..bff28496db1eefa9b5f84fc97f9a7ea6aad7f363 100644 (file)
--- a/tools/obj2yaml/elf2yaml.cpp
+++ b/tools/obj2yaml/elf2yaml.cpp
@@ -133,7 +133,7 @@ std::error_code ELFDumper<ELFT>::dumpSymbol(Elf_Sym_Iter Sym,
   S.Type = Sym->getType();
   S.Value = Sym->st_value;
   S.Size = Sym->st_size;
-  S.Visibility = Sym->st_other & 0x3;
+  S.Visibility = Sym->getVisibility();
 
   ErrorOr<StringRef> NameOrErr = Obj.getSymbolName(Sym);
   if (std::error_code EC = NameOrErr.getError())