diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h index fa97d6e6dc0..6eb1d8f744d 100644 --- a/include/llvm/Support/ELF.h +++ b/include/llvm/Support/ELF.h @@ -469,6 +469,7 @@ enum { R_PPC64_ADDR16_HI = 5, R_PPC64_ADDR14 = 7, R_PPC64_REL24 = 10, + R_PPC64_REL32 = 26, R_PPC64_ADDR64 = 38, R_PPC64_ADDR16_HIGHER = 39, R_PPC64_ADDR16_HIGHEST = 41, diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp index 0a68f4e6542..1524b48c54b 100644 --- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp +++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp @@ -523,7 +523,7 @@ void RuntimeDyldELF::resolvePPC64Relocation(const SectionEntry &Section, case ELF::R_PPC64_ADDR32 : { int32_t Result = static_cast(Value + Addend); if (SignExtend32<32>(Result) != Result) - llvm_unreachable("Relocation R_PPC64_REL32 overflow"); + llvm_unreachable("Relocation R_PPC64_ADDR32 overflow"); writeInt32BE(LocalAddress, Result); } break; case ELF::R_PPC64_REL24 : { @@ -534,6 +534,13 @@ void RuntimeDyldELF::resolvePPC64Relocation(const SectionEntry &Section, // Generates a 'bl
' instruction writeInt32BE(LocalAddress, 0x48000001 | (delta & 0x03FFFFFC)); } break; + case ELF::R_PPC64_REL32 : { + uint64_t FinalAddress = (Section.LoadAddress + Offset); + int32_t delta = static_cast(Value - FinalAddress + Addend); + if (SignExtend32<32>(delta) != delta) + llvm_unreachable("Relocation R_PPC64_REL32 overflow"); + writeInt32BE(LocalAddress, delta); + } break; case ELF::R_PPC64_ADDR64 : writeInt64BE(LocalAddress, Value + Addend); break; diff --git a/lib/MC/MCObjectFileInfo.cpp b/lib/MC/MCObjectFileInfo.cpp index a46f7be5da2..a3045848b62 100644 --- a/lib/MC/MCObjectFileInfo.cpp +++ b/lib/MC/MCObjectFileInfo.cpp @@ -257,16 +257,13 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr; } } else if (T.getArch() == Triple::ppc64) { - PersonalityEncoding = dwarf::DW_EH_PE_udata8; - PersonalityEncoding |= (RelocM == Reloc::PIC_) - ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel - : dwarf::DW_EH_PE_absptr; - unsigned PICFlag = (RelocM == Reloc::PIC_) ? dwarf::DW_EH_PE_pcrel - : dwarf::DW_EH_PE_absptr; - FDECFIEncoding = PICFlag | dwarf::DW_EH_PE_sdata4; - LSDAEncoding = PICFlag | dwarf::DW_EH_PE_udata8; - FDEEncoding = PICFlag | dwarf::DW_EH_PE_sdata4; - TTypeEncoding = PICFlag | dwarf::DW_EH_PE_sdata4; + PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_udata8; + FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8; + FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8; + TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_udata8; } // Solaris requires different flags for .eh_frame to seemingly every other diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp index 4319894376d..839f918a06c 100644 --- a/lib/Target/PowerPC/PPCAsmPrinter.cpp +++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp @@ -768,6 +768,25 @@ bool PPCLinuxAsmPrinter::doFinalization(Module &M) { } } + MachineModuleInfoELF &MMIELF = + MMI->getObjFileInfo(); + + MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList(); + if (!Stubs.empty()) { + OutStreamer.SwitchSection(getObjFileLowering().getDataSection()); + for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { + // L_foo$stub: + OutStreamer.EmitLabel(Stubs[i].first); + // .long _foo + OutStreamer.EmitValue(MCSymbolRefExpr::Create(Stubs[i].second.getPointer(), + OutContext), + isPPC64 ? 8 : 4/*size*/, 0/*addrspace*/); + } + + Stubs.clear(); + OutStreamer.AddBlankLine(); + } + return AsmPrinter::doFinalization(M); } diff --git a/test/MC/PowerPC/ppc64-initial-cfa.ll b/test/MC/PowerPC/ppc64-initial-cfa.ll index 0e36fb71380..16236c9c650 100644 --- a/test/MC/PowerPC/ppc64-initial-cfa.ll +++ b/test/MC/PowerPC/ppc64-initial-cfa.ll @@ -20,7 +20,7 @@ entry: ; STATIC-NEXT: ('sh_info', 0x00000000) ; STATIC-NEXT: ('sh_addralign', 0x0000000000000008) ; STATIC-NEXT: ('sh_entsize', 0x0000000000000000) -; STATIC-NEXT: ('_section_data', '00000010 00000000 017a5200 01784101 0b0c0100 00000010 00000018 00000000 00000010 00000000') +; STATIC-NEXT: ('_section_data', '00000010 00000000 017a5200 01784101 1b0c0100 00000010 00000018 00000000 00000010 00000000') ; STATIC: ('sh_name', 0x{{.*}}) # '.rela.eh_frame' ; STATIC-NEXT: ('sh_type', 0x00000004) @@ -34,11 +34,11 @@ entry: ; STATIC-NEXT: ('sh_entsize', 0x0000000000000018) ; STATIC-NEXT: ('_relocations', [ -; Static build should create R_PPC64_ADDR32 relocations +; Static build should create R_PPC64_REL32 relocations ; STATIC-NEXT: # Relocation 0 ; STATIC-NEXT: (('r_offset', 0x000000000000001c) ; STATIC-NEXT: ('r_sym', 0x{{.*}}) -; STATIC-NEXT: ('r_type', 0x00000001) +; STATIC-NEXT: ('r_type', 0x0000001a) ; STATIC-NEXT: ('r_addend', 0x0000000000000000) ; STATIC-NEXT: ), ; STATIC-NEXT: ])