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[ELF][yaml2obj] Handle additional MIPS specific st_other field flags

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The ELF symbol `st_other` field might contain additional flags besides
visibility ones. This patch implements support for some MIPS specific
flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221491 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Atanasyan
2014-11-06 22:46:24 +00:00
parent 8e617cceb1
commit 848edb1bfa
5 changed files with 49 additions and 5 deletions
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lib/Object/ELFYAML.cpp
+37 -1
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@@ -395,6 +395,25 @@ void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
#undef ECase
}
void ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
ELFYAML::ELF_STO &Value) {
const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
assert(Object && "The IO context is not initialized");
#define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
switch (Object->Header.Machine) {
case ELF::EM_MIPS:
BCase(STO_MIPS_OPTIONAL)
BCase(STO_MIPS_PLT)
BCase(STO_MIPS_PIC)
BCase(STO_MIPS_MICROMIPS)
break;
default:
break; // Nothing to do
}
#undef BCase
#undef BCaseMask
}
void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
IO &IO, ELFYAML::ELF_REL &Value) {
const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
@@ -670,13 +689,30 @@ void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
}
namespace {
struct NormalizedOther {
NormalizedOther(IO &)
: Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
NormalizedOther(IO &, uint8_t Original)
: Visibility(Original & 0x3), Other(Original & ~0x3) {}
uint8_t denormalize(IO &) { return Visibility | Other; }
ELFYAML::ELF_STV Visibility;
ELFYAML::ELF_STO Other;
};
}
void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
IO.mapOptional("Name", Symbol.Name, StringRef());
IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
IO.mapOptional("Section", Symbol.Section, StringRef());
IO.mapOptional("Value", Symbol.Value, Hex64(0));
IO.mapOptional("Size", Symbol.Size, Hex64(0));
IO.mapOptional("Visibility", Symbol.Visibility, ELFYAML::ELF_STV(0));
MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
}
void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping(