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ELF2: Treat IsMips64EL as a global configuration.

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If one file is MIPS64EL, all files are MIPS64EL, and vice versa.
We do not have to look up MIPS-ness for each file. Currently we
do not support 64-bit MIPS, so the config value is always false.

llvm-svn: 250566
This commit is contained in:
Rui Ueyama 2015-10-16 22:51:43 +00:00
parent a9da9b48ef
commit 6455852a28
4 changed files with 10 additions and 12 deletions
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1
lld/ELF/Config.h
View File

@ -50,6 +50,7 @@ struct Configuration {
bool DiscardNone;
bool EnableNewDtags;
bool ExportDynamic;
bool Mips64EL = false;
bool NoInhibitExec;
bool NoUndefined;
bool Shared;

5
lld/ELF/InputSection.cpp
View File

@ -48,10 +48,9 @@ void InputSection<ELFT>::relocate(
iterator_range<const Elf_Rel_Impl<ELFT, isRela> *> Rels,
const ObjectFile<ELFT> &File, uintX_t BaseAddr) {
typedef Elf_Rel_Impl<ELFT, isRela> RelType;
bool IsMips64EL = File.getObj().isMips64EL();
for (const RelType &RI : Rels) {
uint32_t SymIndex = RI.getSymbol(IsMips64EL);
uint32_t Type = RI.getType(IsMips64EL);
uint32_t SymIndex = RI.getSymbol(Config->Mips64EL);
uint32_t Type = RI.getType(Config->Mips64EL);
// Handle relocations for local symbols -- they never get
// resolved so we don't allocate a SymbolBody.

11
lld/ELF/OutputSections.cpp
View File

@ -103,20 +103,19 @@ RelocationSection<ELFT>::RelocationSection(bool IsRela)
template <class ELFT> void RelocationSection<ELFT>::writeTo(uint8_t *Buf) {
const unsigned EntrySize = IsRela ? sizeof(Elf_Rela) : sizeof(Elf_Rel);
bool IsMips64EL = Relocs[0].C.getFile()->getObj().isMips64EL();
for (const DynamicReloc<ELFT> &Rel : Relocs) {
auto *P = reinterpret_cast<Elf_Rel *>(Buf);
Buf += EntrySize;
const InputSection<ELFT> &C = Rel.C;
const Elf_Rel &RI = Rel.RI;
uint32_t SymIndex = RI.getSymbol(IsMips64EL);
uint32_t SymIndex = RI.getSymbol(Config->Mips64EL);
const ObjectFile<ELFT> &File = *C.getFile();
SymbolBody *Body = File.getSymbolBody(SymIndex);
if (Body)
Body = Body->repl();
uint32_t Type = RI.getType(IsMips64EL);
uint32_t Type = RI.getType(Config->Mips64EL);
bool NeedsGot = Body && Target->relocNeedsGot(Type, *Body);
bool CanBePreempted = canBePreempted(Body, NeedsGot);
@ -128,21 +127,21 @@ template <class ELFT> void RelocationSection<ELFT>::writeTo(uint8_t *Buf) {
else
Addend += getLocalRelTarget(File, RI);
}
P->setSymbolAndType(0, Target->getRelativeReloc(), IsMips64EL);
P->setSymbolAndType(0, Target->getRelativeReloc(), Config->Mips64EL);
}
if (NeedsGot) {
P->r_offset = Out<ELFT>::Got->getEntryAddr(*Body);
if (CanBePreempted)
P->setSymbolAndType(Body->getDynamicSymbolTableIndex(),
Target->getGotReloc(), IsMips64EL);
Target->getGotReloc(), Config->Mips64EL);
} else {
if (IsRela)
Addend += static_cast<const Elf_Rela &>(RI).r_addend;
P->r_offset = RI.r_offset + C.OutSec->getVA() + C.OutSecOff;
if (CanBePreempted)
P->setSymbolAndType(Body->getDynamicSymbolTableIndex(), Type,
IsMips64EL);
Config->Mips64EL);
}
if (IsRela)

5
lld/ELF/Writer.cpp
View File

@ -172,11 +172,10 @@ void Writer<ELFT>::scanRelocs(
iterator_range<const Elf_Rel_Impl<ELFT, isRela> *> Rels) {
typedef Elf_Rel_Impl<ELFT, isRela> RelType;
const ObjectFile<ELFT> &File = *C.getFile();
bool IsMips64EL = File.getObj().isMips64EL();
for (const RelType &RI : Rels) {
uint32_t SymIndex = RI.getSymbol(IsMips64EL);
uint32_t SymIndex = RI.getSymbol(Config->Mips64EL);
SymbolBody *Body = File.getSymbolBody(SymIndex);
uint32_t Type = RI.getType(IsMips64EL);
uint32_t Type = RI.getType(Config->Mips64EL);
// Set "used" bit for --as-needed.
if (Body && Body->isUndefined() && !Body->isWeak())