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[Mips] Configure PLT and LA25 entries in the corresponding constructors 

No functional changes.

llvm-svn: 222324
This commit is contained in:
Simon Atanasyan 2014-11-19 05:51:10 +00:00
parent a50af747eb
commit 863f32f70d
1 changed files with 24 additions and 24 deletions
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48
lld/lib/ReaderWriter/ELF/Mips/MipsRelocationPass.cpp
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@ -103,7 +103,12 @@ public:
class PLT0Atom : public PLTAtom {
public:
PLT0Atom(const File &f) : PLTAtom(f, ".plt") {}
PLT0Atom(const Atom *got, const File &f) : PLTAtom(f, ".plt") {
// Setup reference to fixup the PLT0 entry.
addReferenceELF_Mips(LLD_R_MIPS_HI16, 0, got, 0);
addReferenceELF_Mips(LLD_R_MIPS_LO16, 4, got, 0);
addReferenceELF_Mips(LLD_R_MIPS_LO16, 8, got, 0);
}
ArrayRef<uint8_t> rawContent() const override {
return llvm::makeArrayRef(mipsPlt0AtomContent);
@ -112,7 +117,12 @@ public:
class PLTAAtom : public PLTAtom {
public:
PLTAAtom(const File &f) : PLTAtom(f, ".plt") {}
PLTAAtom(const Atom *got, const File &f) : PLTAtom(f, ".plt") {
// Setup reference to fixup the PLT entry.
addReferenceELF_Mips(LLD_R_MIPS_HI16, 0, got, 0);
addReferenceELF_Mips(LLD_R_MIPS_LO16, 4, got, 0);
addReferenceELF_Mips(LLD_R_MIPS_LO16, 12, got, 0);
}
ArrayRef<uint8_t> rawContent() const override {
return llvm::makeArrayRef(mipsPltAAtomContent);
@ -134,7 +144,12 @@ public:
/// \brief LA25 stub atom
class LA25Atom : public PLTAtom {
public:
LA25Atom(const File &f) : PLTAtom(f, ".text") {}
LA25Atom(const Atom *a, const File &f) : PLTAtom(f, ".text") {
// Setup reference to fixup the LA25 stub entry.
addReferenceELF_Mips(R_MIPS_HI16, 0, a, 0);
addReferenceELF_Mips(R_MIPS_26, 4, a, 0);
addReferenceELF_Mips(R_MIPS_LO16, 8, a, 0);
}
ArrayRef<uint8_t> rawContent() const override {
return llvm::makeArrayRef(mipsLA25AtomContent);
@ -663,18 +678,13 @@ const GOTAtom *RelocationPass<ELFT>::getTLSLdmGOTEntry(const Atom *a) {
template <typename ELFT> void RelocationPass<ELFT>::createPLTHeader() {
assert(_pltVector.empty() && _gotpltVector.empty());
auto pa = new (_file._alloc) PLT0Atom(_file);
_pltVector.push_back(pa);
auto ga0 = new (_file._alloc) GOTPLTAtom(_file);
_gotpltVector.push_back(ga0);
auto ga1 = new (_file._alloc) GOTPLTAtom(_file);
_gotpltVector.push_back(ga1);
// Setup reference to fixup the PLT0 entry.
pa->addReferenceELF_Mips(LLD_R_MIPS_HI16, 0, ga0, 0);
pa->addReferenceELF_Mips(LLD_R_MIPS_LO16, 4, ga0, 0);
pa->addReferenceELF_Mips(LLD_R_MIPS_LO16, 8, ga0, 0);
auto pa = new (_file._alloc) PLT0Atom(ga0, _file);
_pltVector.push_back(pa);
DEBUG_WITH_TYPE("MipsGOT", {
pa->_name = "__plt0";
@ -695,17 +705,12 @@ const PLTAtom *RelocationPass<ELFT>::getPLTEntry(const Atom *a) {
if (_pltVector.empty())
createPLTHeader();
auto pa = new (_file._alloc) PLTAAtom(_file);
_pltMap[a] = pa;
_pltVector.push_back(pa);
auto ga = new (_file._alloc) GOTPLTAtom(_file);
_gotpltVector.push_back(ga);
// Setup reference to fixup the PLT entry.
pa->addReferenceELF_Mips(LLD_R_MIPS_HI16, 0, ga, 0);
pa->addReferenceELF_Mips(LLD_R_MIPS_LO16, 4, ga, 0);
pa->addReferenceELF_Mips(LLD_R_MIPS_LO16, 12, ga, 0);
auto pa = new (_file._alloc) PLTAAtom(ga, _file);
_pltMap[a] = pa;
_pltVector.push_back(pa);
// Setup reference to assign initial value to the .got.plt entry.
ga->addReferenceELF_Mips(R_MIPS_32, 0, _pltVector.front(), 0);
@ -734,15 +739,10 @@ const LA25Atom *RelocationPass<ELFT>::getLA25Entry(const Atom *a) {
if (la25 != _la25Map.end())
return la25->second;
auto sa = new (_file._alloc) LA25Atom(_file);
auto sa = new (_file._alloc) LA25Atom(a, _file);
_la25Map[a] = sa;
_la25Vector.push_back(sa);
// Setup reference to fixup the LA25 stub entry.
sa->addReferenceELF_Mips(R_MIPS_HI16, 0, a, 0);
sa->addReferenceELF_Mips(R_MIPS_26, 4, a, 0);
sa->addReferenceELF_Mips(R_MIPS_LO16, 8, a, 0);
DEBUG_WITH_TYPE("MipsGOT", {
sa->_name = ".pic.";
sa->_name += a->name();