forked from OSchip/llvm-project
Reapply r254098.
Fix is (OutputSections.cpp):
for (std::pair<const SymbolBody *, size_t> &I : Entries) {
=>
for (std::pair<const SymbolBody *, unsigned> &I : Entries) {
llvm-svn: 254105
This commit is contained in:
George Rimar
parent
d9b4218831
commit
77b7779b48
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@ -150,18 +150,25 @@ template <class ELFT> void PltSection<ELFT>::writeTo(uint8_t *Buf) {
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Target->writePltZeroEntry(Buf, Out<ELFT>::GotPlt->getVA(), this->getVA());
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Off += Target->getPltZeroEntrySize();
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}
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for (const SymbolBody *E : Entries) {
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uint64_t Got = LazyReloc ? Out<ELFT>::GotPlt->getEntryAddr(*E)
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for (std::pair<const SymbolBody *, unsigned> &I : Entries) {
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const SymbolBody *E = I.first;
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unsigned RelOff = I.second;
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uint64_t GotVA =
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LazyReloc ? Out<ELFT>::GotPlt->getVA() : Out<ELFT>::Got->getVA();
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uint64_t GotE = LazyReloc ? Out<ELFT>::GotPlt->getEntryAddr(*E)
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: Out<ELFT>::Got->getEntryAddr(*E);
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uint64_t Plt = this->getVA() + Off;
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Target->writePltEntry(Buf + Off, Got, Plt, E->PltIndex);
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Target->writePltEntry(Buf + Off, GotVA, GotE, Plt, E->PltIndex, RelOff);
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Off += Target->getPltEntrySize();
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}
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}
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template <class ELFT> void PltSection<ELFT>::addEntry(SymbolBody *Sym) {
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Sym->PltIndex = Entries.size();
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Entries.push_back(Sym);
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unsigned RelOff = Target->supportsLazyRelocations()
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? Out<ELFT>::RelaPlt->getRelocOffset()
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: Out<ELFT>::RelaDyn->getRelocOffset();
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Entries.push_back(std::make_pair(Sym, RelOff));
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}
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template <class ELFT>
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@ -281,6 +288,11 @@ template <class ELFT> void RelocationSection<ELFT>::writeTo(uint8_t *Buf) {
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}
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}
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template <class ELFT> unsigned RelocationSection<ELFT>::getRelocOffset() {
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const unsigned EntrySize = IsRela ? sizeof(Elf_Rela) : sizeof(Elf_Rel);
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return EntrySize * Relocs.size();
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}
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template <class ELFT> void RelocationSection<ELFT>::finalize() {
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this->Header.sh_link = Out<ELFT>::DynSymTab->SectionIndex;
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this->Header.sh_size = Relocs.size() * this->Header.sh_entsize;
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@ -166,7 +166,7 @@ public:
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uintX_t getEntryAddr(const SymbolBody &B) const;
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private:
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std::vector<const SymbolBody *> Entries;
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std::vector<std::pair<const SymbolBody *, unsigned>> Entries;
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};
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template <class ELFT> struct DynamicReloc {
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@ -216,6 +216,7 @@ class RelocationSection final : public OutputSectionBase<ELFT> {
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public:
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RelocationSection(StringRef Name, bool IsRela);
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void addReloc(const DynamicReloc<ELFT> &Reloc) { Relocs.push_back(Reloc); }
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unsigned getRelocOffset();
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void finalize() override;
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void writeTo(uint8_t *Buf) override;
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bool hasRelocs() const { return !Relocs.empty(); }
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@ -46,13 +46,15 @@ namespace {
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class X86TargetInfo final : public TargetInfo {
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public:
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X86TargetInfo();
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void writeGotPltHeaderEntries(uint8_t *Buf) const override;
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unsigned getDynReloc(unsigned Type) const override;
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bool isTlsDynReloc(unsigned Type) const override;
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void writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const override;
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void writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotAddr, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const override;
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bool relocNeedsCopy(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsPlt(uint32_t Type, const SymbolBody &S) const override;
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@ -69,8 +71,9 @@ public:
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void writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const override;
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void writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotAddr, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const override;
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bool relocNeedsCopy(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsPlt(uint32_t Type, const SymbolBody &S) const override;
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@ -96,8 +99,9 @@ public:
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void writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const override;
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void writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotAddr, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const override;
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bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsPlt(uint32_t Type, const SymbolBody &S) const override;
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void relocateOne(uint8_t *Loc, uint8_t *BufEnd, uint32_t Type, uint64_t P,
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@ -113,8 +117,9 @@ public:
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void writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const override;
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void writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotAddr, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const override;
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bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsPlt(uint32_t Type, const SymbolBody &S) const override;
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void relocateOne(uint8_t *Loc, uint8_t *BufEnd, uint32_t Type, uint64_t P,
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@ -129,8 +134,9 @@ public:
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void writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const override;
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void writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const override;
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void writePltEntry(uint8_t *Buf, uint64_t GotAddr, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const override;
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bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const override;
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bool relocNeedsPlt(uint32_t Type, const SymbolBody &S) const override;
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void relocateOne(uint8_t *Loc, uint8_t *BufEnd, uint32_t Type, uint64_t P,
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@ -195,6 +201,18 @@ X86TargetInfo::X86TargetInfo() {
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GotReloc = R_386_GLOB_DAT;
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GotRefReloc = R_386_GOT32;
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PltReloc = R_386_JUMP_SLOT;
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LazyRelocations = true;
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PltEntrySize = 16;
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PltZeroEntrySize = 16;
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}
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void X86TargetInfo::writeGotPltHeaderEntries(uint8_t *Buf) const {
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write32le(Buf, Out<ELF32LE>::Dynamic->getVA());
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}
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void X86TargetInfo::writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const {
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// Skip 6 bytes of "pushl (GOT+4)"
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write32le(Buf, Plt + 6);
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}
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unsigned X86TargetInfo::getDynReloc(unsigned Type) const {
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@ -211,17 +229,44 @@ bool X86TargetInfo::isTlsDynReloc(unsigned Type) const {
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return false;
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}
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void X86TargetInfo::writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const {}
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void X86TargetInfo::writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const {}
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uint64_t PltEntryAddr) const {
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// Executable files and shared object files have
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// separate procedure linkage tables.
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if (Config->Shared) {
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const uint8_t V[] = {
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0xff, 0xb3, 0x04, 0x00, 0x00, 0x00, // pushl 4(%ebx
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0xff, 0xa3, 0x08, 0x00, 0x00, 0x00, // jmp *8(%ebx)
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0x90, 0x90, 0x90, 0x90 // nop;nop;nop;nop
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};
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memcpy(Buf, V, sizeof(V));
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return;
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}
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void X86TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const {
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// jmpl *val; nop; nop
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const uint8_t Inst[] = {0xff, 0x25, 0, 0, 0, 0, 0x90, 0x90};
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const uint8_t PltData[] = {
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0xff, 0x35, 0x00, 0x00, 0x00, 0x00, // pushl (GOT+4)
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0xff, 0x25, 0x00, 0x00, 0x00, 0x00, // jmp *(GOT+8)
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0x90, 0x90, 0x90, 0x90 // nop;nop;nop;nop
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};
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memcpy(Buf, PltData, sizeof(PltData));
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write32le(Buf + 2, GotEntryAddr + 4); // GOT+4
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write32le(Buf + 8, GotEntryAddr + 8); // GOT+8
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}
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void X86TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotAddr,
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uint64_t GotEntryAddr, uint64_t PltEntryAddr,
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int32_t Index, unsigned RelOff) const {
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const uint8_t Inst[] = {
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0xff, 0x00, 0x00, 0x00, 0x00, 0x00, // jmp *foo_in_GOT|*foo@GOT(%ebx)
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0x68, 0x00, 0x00, 0x00, 0x00, // pushl $reloc_offset
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0xe9, 0x00, 0x00, 0x00, 0x00 // jmp .PLT0@PC
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};
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memcpy(Buf, Inst, sizeof(Inst));
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assert(isUInt<32>(GotEntryAddr));
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write32le(Buf + 2, GotEntryAddr);
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// jmp *foo@GOT(%ebx) or jmp *foo_in_GOT
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Buf[1] = Config->Shared ? 0xa3 : 0x25;
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write32le(Buf + 2, Config->Shared ? (GotEntryAddr - GotAddr) : GotEntryAddr);
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write32le(Buf + 7, RelOff);
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write32le(Buf + 12, -Index * PltEntrySize - PltZeroEntrySize - 16);
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}
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bool X86TargetInfo::relocNeedsCopy(uint32_t Type, const SymbolBody &S) const {
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@ -303,9 +348,10 @@ void X86_64TargetInfo::writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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write32le(Buf + 8, GotEntryAddr - PltEntryAddr + 4); // GOT+16
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}
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void X86_64TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr,
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int32_t Index) const {
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void X86_64TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotAddr,
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uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const {
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const uint8_t Inst[] = {
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0xff, 0x25, 0x00, 0x00, 0x00, 0x00, // jmpq *got(%rip)
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0x68, 0x00, 0x00, 0x00, 0x00, // pushq <relocation index>
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@ -604,8 +650,10 @@ uint64_t getPPC64TocBase() {
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void PPC64TargetInfo::writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const {}
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void PPC64TargetInfo::writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const {}
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void PPC64TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const {
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void PPC64TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotAddr,
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uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const {
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uint64_t Off = GotEntryAddr - getPPC64TocBase();
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// FIXME: What we should do, in theory, is get the offset of the function
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@ -816,9 +864,10 @@ void AArch64TargetInfo::writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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GotEntryAddr + 16);
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}
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void AArch64TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr,
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int32_t Index) const {
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void AArch64TargetInfo::writePltEntry(uint8_t *Buf, uint64_t GotAddr,
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uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const {
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const uint8_t Inst[] = {
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0x10, 0x00, 0x00, 0x90, // adrp x16, Page(&(.plt.got[n]))
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0x11, 0x02, 0x40, 0xf9, // ldr x17, [x16, Offset(&(.plt.got[n]))]
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@ -977,8 +1026,10 @@ template <class ELFT>
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void MipsTargetInfo<ELFT>::writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const {}
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template <class ELFT>
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void MipsTargetInfo<ELFT>::writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const {}
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void MipsTargetInfo<ELFT>::writePltEntry(uint8_t *Buf, uint64_t GotAddr,
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uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index,
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unsigned RelOff) const {}
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template <class ELFT>
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bool MipsTargetInfo<ELFT>::relocNeedsGot(uint32_t Type,
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@ -50,8 +50,9 @@ public:
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virtual void writeGotPltEntry(uint8_t *Buf, uint64_t Plt) const = 0;
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virtual void writePltZeroEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr) const = 0;
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virtual void writePltEntry(uint8_t *Buf, uint64_t GotEntryAddr,
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uint64_t PltEntryAddr, int32_t Index) const = 0;
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virtual void writePltEntry(uint8_t *Buf, uint64_t GotAddr,
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uint64_t GotEntryAddr, uint64_t PltEntryAddr,
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int32_t Index, unsigned RelOff) const = 0;
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virtual bool isRelRelative(uint32_t Type) const;
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virtual bool relocNeedsCopy(uint32_t Type, const SymbolBody &S) const;
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virtual bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const = 0;
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@ -2,8 +2,12 @@
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// RUN: llvm-mc -filetype=obj -triple=i686-unknown-linux %p/Inputs/shared.s -o %t2.o
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// RUN: ld.lld -shared %t2.o -o %t2.so
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// RUN: ld.lld %t.o %t2.so -o %t
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// RUN: llvm-readobj -s -r %t | FileCheck %s
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// RUN: llvm-readobj -s -r %t | FileCheck --check-prefix=CHECK %s
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// RUN: llvm-objdump -d %t | FileCheck --check-prefix=DISASM %s
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// RUN: ld.lld -shared %t.o %t2.so -o %t
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// RUN: llvm-readobj -s -r %t | FileCheck --check-prefix=CHECKSHARED %s
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// RUN: llvm-objdump -d %t | FileCheck --check-prefix=DISASMSHARED %s
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// REQUIRES: x86
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// CHECK: Name: .plt
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@ -14,41 +18,124 @@
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x11010
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// CHECK-NEXT: Offset:
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// CHECK-NEXT: Size: 16
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// CHECK-NEXT: Size: 48
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// CHECK-NEXT: Link: 0
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// CHECK-NEXT: Info: 0
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// CHECK-NEXT: AddressAlignment: 16
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// CHECK: Name: .got.plt
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// CHECK-NEXT: Type: SHT_PROGBITS
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: SHF_WRITE
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x12058
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// CHECK-NEXT: Offset: 0x2058
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// CHECK-NEXT: Size: 20
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// CHECK-NEXT: Link: 0
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// CHECK-NEXT: Info: 0
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// CHECK-NEXT: AddressAlignment: 4
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// CHECK-NEXT: EntrySize: 0
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// 0x12058 + got.plt.reserved(12) = 0x12064
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// 0x12058 + got.plt.reserved(12) + 4 = 0x12068
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// CHECK: Relocations [
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// CHECK-NEXT: Section ({{.*}}) .rel.dyn {
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// CHECK-NEXT: 0x12050 R_386_GLOB_DAT bar 0x0
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// CHECK-NEXT: 0x12054 R_386_GLOB_DAT zed 0x0
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// CHECK-NEXT: Section ({{.*}}) .rel.plt {
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// CHECK-NEXT: 0x12064 R_386_JUMP_SLOT bar 0x0
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// CHECK-NEXT: 0x12068 R_386_JUMP_SLOT zed 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// Unfortunately FileCheck can't do math, so we have to check for explicit
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// values:
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// 0x11010 - (0x11000 + 1) - 4 = 11
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// 0x11010 - (0x11005 + 1) - 4 = 2
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// 0x11018 - (0x1100a + 1) - 4 = 9
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// 16 is the size of PLT[0]
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// (0x11010 + 16) - (0x11000 + 1) - 4 = 27
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// (0x11010 + 16) - (0x11005 + 1) - 4 = 22
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// (0x11020 + 16) - (0x1100a + 1) - 4 = 33
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// DISASM: _start:
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// DISASM-NEXT: 11000: e9 0b 00 00 00 jmp 11
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// DISASM-NEXT: 11005: e9 06 00 00 00 jmp 6
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// DISASM-NEXT: 1100a: e9 09 00 00 00 jmp 9
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// 0x12050 = 73808
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// 0x12054 = 73812
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// DISASM-NEXT: 11000: e9 1b 00 00 00 jmp 27
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// DISASM-NEXT: 11005: e9 16 00 00 00 jmp 22
|
||||
// DISASM-NEXT: 1100a: e9 21 00 00 00 jmp 33
|
||||
|
||||
// 0x11010 - 0x1102b - 5 = -32
|
||||
// 0x11010 - 0x1103b - 5 = -48
|
||||
// 73820 = 0x1205C = .got.plt (0x12058) + 4
|
||||
// 73824 = 0x12060 = .got.plt (0x12058) + 8
|
||||
// 73828 = 0x12064 = .got.plt (0x12058) + got.plt.reserved(12)
|
||||
// 73832 = 0x12068 = .got.plt (0x12058) + got.plt.reserved(12) + 4
|
||||
// DISASM: Disassembly of section .plt:
|
||||
// DISASM-NEXT: .plt:
|
||||
// DISASM-NEXT: 11010: ff 25 {{.*}} jmpl *73808
|
||||
// DISASM-NEXT: 11016: 90 nop
|
||||
// DISASM-NEXT: 11017: 90 nop
|
||||
// DISASM-NEXT: 11018: ff 25 {{.*}} jmpl *73812
|
||||
// DISASM-NEXT: 11010: ff 35 5c 20 01 00 pushl 73820
|
||||
// DISASM-NEXT: 11016: ff 25 60 20 01 00 jmpl *73824
|
||||
// DISASM-NEXT: 1101c: 90 nop
|
||||
// DISASM-NEXT: 1101d: 90 nop
|
||||
// DISASM-NEXT: 1101e: 90 nop
|
||||
// DISASM-NEXT: 1101f: 90 nop
|
||||
// DISASM-NEXT: 11020: ff 25 64 20 01 00 jmpl *73828
|
||||
// DISASM-NEXT: 11026: 68 00 00 00 00 pushl $0
|
||||
// DISASM-NEXT: 1102b: e9 e0 ff ff ff jmp -32 <.plt>
|
||||
// DISASM-NEXT: 11030: ff 25 68 20 01 00 jmpl *73832
|
||||
// DISASM-NEXT: 11036: 68 08 00 00 00 pushl $8
|
||||
// DISASM-NEXT: 1103b: e9 d0 ff ff ff jmp -48 <.plt>
|
||||
|
||||
// CHECKSHARED: Name: .plt
|
||||
// CHECKSHARED-NEXT: Type: SHT_PROGBITS
|
||||
// CHECKSHARED-NEXT: Flags [
|
||||
// CHECKSHARED-NEXT: SHF_ALLOC
|
||||
// CHECKSHARED-NEXT: SHF_EXECINSTR
|
||||
// CHECKSHARED-NEXT: ]
|
||||
// CHECKSHARED-NEXT: Address: 0x1010
|
||||
// CHECKSHARED-NEXT: Offset: 0x1010
|
||||
// CHECKSHARED-NEXT: Size: 48
|
||||
// CHECKSHARED-NEXT: Link: 0
|
||||
// CHECKSHARED-NEXT: Info: 0
|
||||
// CHECKSHARED-NEXT: AddressAlignment: 16
|
||||
// CHECKSHARED-NEXT: EntrySize: 0
|
||||
// CHECKSHARED-NEXT: }
|
||||
// CHECKSHARED: Name: .got.plt
|
||||
// CHECKSHARED-NEXT: Type: SHT_PROGBITS
|
||||
// CHECKSHARED-NEXT: Flags [
|
||||
// CHECKSHARED-NEXT: SHF_ALLOC
|
||||
// CHECKSHARED-NEXT: SHF_WRITE
|
||||
// CHECKSHARED-NEXT: ]
|
||||
// CHECKSHARED-NEXT: Address: 0x2058
|
||||
// CHECKSHARED-NEXT: Offset: 0x2058
|
||||
// CHECKSHARED-NEXT: Size: 20
|
||||
// CHECKSHARED-NEXT: Link: 0
|
||||
// CHECKSHARED-NEXT: Info: 0
|
||||
// CHECKSHARED-NEXT: AddressAlignment: 4
|
||||
// CHECKSHARED-NEXT: EntrySize: 0
|
||||
// CHECKSHARED-NEXT: }
|
||||
|
||||
// 0x2058 + got.plt.reserved(12) = 0x2064
|
||||
// 0x2058 + got.plt.reserved(12) + 4 = 0x2068
|
||||
// CHECKSHARED: Relocations [
|
||||
// CHECKSHARED-NEXT: Section ({{.*}}) .rel.plt {
|
||||
// CHECKSHARED-NEXT: 0x2064 R_386_JUMP_SLOT bar 0x0
|
||||
// CHECKSHARED-NEXT: 0x2068 R_386_JUMP_SLOT zed 0x0
|
||||
// CHECKSHARED-NEXT: }
|
||||
// CHECKSHARED-NEXT: ]
|
||||
|
||||
// DISASMSHARED: _start:
|
||||
// DISASMSHARED-NEXT: 1000: e9 1b 00 00 00 jmp 27
|
||||
// DISASMSHARED-NEXT: 1005: e9 16 00 00 00 jmp 22
|
||||
// DISASMSHARED-NEXT: 100a: e9 21 00 00 00 jmp 33
|
||||
// DISASMSHARED-NEXT: Disassembly of section .plt:
|
||||
// DISASMSHARED-NEXT: .plt:
|
||||
// DISASMSHARED-NEXT: 1010: ff b3 04 00 00 00 pushl 4(%ebx)
|
||||
// DISASMSHARED-NEXT: 1016: ff a3 08 00 00 00 jmpl *8(%ebx)
|
||||
// DISASMSHARED-NEXT: 101c: 90 nop
|
||||
// DISASMSHARED-NEXT: 101d: 90 nop
|
||||
// DISASMSHARED-NEXT: 101e: 90 nop
|
||||
// DISASMSHARED-NEXT: 101f: 90 nop
|
||||
// DISASMSHARED-NEXT: 1020: ff a3 0c 00 00 00 jmpl *12(%ebx)
|
||||
// DISASMSHARED-NEXT: 1026: 68 00 00 00 00 pushl $0
|
||||
// DISASMSHARED-NEXT: 102b: e9 e0 ff ff ff jmp -32 <.plt>
|
||||
// DISASMSHARED-NEXT: 1030: ff a3 10 00 00 00 jmpl *16(%ebx)
|
||||
// DISASMSHARED: 1036: 68 08 00 00 00 pushl $8
|
||||
// DISASMSHARED: 103b: e9 d0 ff ff ff jmp -48 <.plt>
|
||||
|
||||
.global _start
|
||||
_start:
|
||||
|
|
|
|||
|
|
@ -47,7 +47,7 @@ movl bar@GOT, %eax
|
|||
// ADDR-NEXT: ]
|
||||
// ADDR-NEXT: Address: 0x11030
|
||||
// ADDR-NEXT: Offset: 0x1030
|
||||
// ADDR-NEXT: Size: 8
|
||||
// ADDR-NEXT: Size: 32
|
||||
|
||||
// ADDR: Name: .got
|
||||
// ADDR-NEXT: Type: SHT_PROGBITS
|
||||
|
|
@ -55,7 +55,7 @@ movl bar@GOT, %eax
|
|||
// ADDR-NEXT: SHF_ALLOC
|
||||
// ADDR-NEXT: SHF_WRITE
|
||||
// ADDR-NEXT: ]
|
||||
// ADDR-NEXT: Address: 0x12050
|
||||
// ADDR-NEXT: Address: 0x12070
|
||||
|
||||
.section .R_386_GOTPC,"ax",@progbits
|
||||
R_386_GOTPC:
|
||||
|
|
@ -65,14 +65,14 @@ R_386_GOTPC:
|
|||
|
||||
// CHECK: Disassembly of section .R_386_GOTPC:
|
||||
// CHECK-NEXT: R_386_GOTPC:
|
||||
// CHECK-NEXT: 11014: {{.*}} movl $4156, %eax
|
||||
// CHECK-NEXT: 11014: {{.*}} movl $4188, %eax
|
||||
|
||||
.section .dynamic_reloc, "ax",@progbits
|
||||
call bar
|
||||
// 0x11030 - (0x11019 + 5) = 18
|
||||
// CHECK: Disassembly of section .dynamic_reloc:
|
||||
// CHECK-NEXT: .dynamic_reloc:
|
||||
// CHECK-NEXT: 11019: e8 12 00 00 00 calll 18
|
||||
// CHECK-NEXT: 11019: e8 22 00 00 00 calll 34
|
||||
|
||||
.section .R_386_GOT32,"ax",@progbits
|
||||
.global R_386_GOT32
|
||||
|
|
|
|||
Loading…
Reference in New Issue