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Revert 218406 - Refactor the RelocVisitor::visit method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218416 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -924,8 +924,6 @@ unsigned ELFObjectFile<ELFT>::getArch() const {
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default:
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report_fatal_error("Invalid ELFCLASS!");
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}
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case ELF::EM_PPC:
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return Triple::ppc;
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case ELF::EM_PPC64:
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return IsLittleEndian ? Triple::ppc64le : Triple::ppc64;
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case ELF::EM_S390:
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@ -40,18 +40,16 @@ struct RelocToApply {
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/// @brief Base class for object file relocation visitors.
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class RelocVisitor {
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public:
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explicit RelocVisitor(ObjectFile &Obj)
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: ObjToVisit(Obj), HasError(false) {}
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explicit RelocVisitor(StringRef FileFormat)
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: FileFormat(FileFormat), HasError(false) {}
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// TODO: Should handle multiple applied relocations via either passing in the
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// previously computed value or just count paired relocations as a single
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// visit.
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RelocToApply visit(uint32_t RelocType, RelocationRef R, uint64_t SecAddr = 0,
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uint64_t Value = 0) {
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if (ObjToVisit.getBytesInAddress() == 8) { // 64-bit object file
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switch (ObjToVisit.getArch()) {
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case Triple::x86_64:
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switch (RelocType) {
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if (FileFormat == "ELF64-x86-64") {
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switch (RelocType) {
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case llvm::ELF::R_X86_64_NONE:
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return visitELF_X86_64_NONE(R);
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case llvm::ELF::R_X86_64_64:
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@ -65,129 +63,113 @@ public:
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::aarch64:
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switch (RelocType) {
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case llvm::ELF::R_AARCH64_ABS32:
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return visitELF_AARCH64_ABS32(R, Value);
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case llvm::ELF::R_AARCH64_ABS64:
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return visitELF_AARCH64_ABS64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::mips64el:
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case Triple::mips64:
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switch (RelocType) {
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case llvm::ELF::R_MIPS_32:
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return visitELF_MIPS_32(R, Value);
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case llvm::ELF::R_MIPS_64:
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return visitELF_MIPS_64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::ppc64le:
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case Triple::ppc64:
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switch (RelocType) {
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case llvm::ELF::R_PPC64_ADDR32:
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return visitELF_PPC64_ADDR32(R, Value);
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case llvm::ELF::R_PPC64_ADDR64:
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return visitELF_PPC64_ADDR64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::systemz:
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switch (RelocType) {
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case llvm::ELF::R_390_32:
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return visitELF_390_32(R, Value);
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case llvm::ELF::R_390_64:
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return visitELF_390_64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::sparcv9:
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switch (RelocType) {
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case llvm::ELF::R_SPARC_32:
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case llvm::ELF::R_SPARC_UA32:
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return visitELF_SPARCV9_32(R, Value);
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case llvm::ELF::R_SPARC_64:
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case llvm::ELF::R_SPARC_UA64:
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return visitELF_SPARCV9_64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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}
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} else if (FileFormat == "ELF32-i386") {
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switch (RelocType) {
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case llvm::ELF::R_386_NONE:
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return visitELF_386_NONE(R);
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case llvm::ELF::R_386_32:
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return visitELF_386_32(R, Value);
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case llvm::ELF::R_386_PC32:
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return visitELF_386_PC32(R, Value, SecAddr);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (ObjToVisit.getBytesInAddress() == 4) { // 32-bit object file
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switch (ObjToVisit.getArch()) {
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case Triple::x86:
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switch (RelocType) {
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case llvm::ELF::R_386_NONE:
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return visitELF_386_NONE(R);
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case llvm::ELF::R_386_32:
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return visitELF_386_32(R, Value);
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case llvm::ELF::R_386_PC32:
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return visitELF_386_PC32(R, Value, SecAddr);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::ppc:
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switch (RelocType) {
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case llvm::ELF::R_PPC_ADDR32:
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return visitELF_PPC_ADDR32(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::arm:
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case Triple::armeb:
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switch (RelocType) {
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default:
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HasError = true;
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return RelocToApply();
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case llvm::ELF::R_ARM_ABS32:
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return visitELF_ARM_ABS32(R, Value);
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}
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case Triple::hexagon:
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llvm_unreachable("Unimplemented");
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case Triple::mipsel:
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case Triple::mips:
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switch (RelocType) {
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case llvm::ELF::R_MIPS_32:
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return visitELF_MIPS_32(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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case Triple::sparc:
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switch (RelocType) {
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case llvm::ELF::R_SPARC_32:
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case llvm::ELF::R_SPARC_UA32:
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return visitELF_SPARC_32(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF64-ppc64") {
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switch (RelocType) {
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case llvm::ELF::R_PPC64_ADDR32:
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return visitELF_PPC64_ADDR32(R, Value);
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case llvm::ELF::R_PPC64_ADDR64:
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return visitELF_PPC64_ADDR64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else {
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report_fatal_error("Invalid word size in object file");
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} else if (FileFormat == "ELF32-ppc") {
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switch (RelocType) {
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case llvm::ELF::R_PPC_ADDR32:
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return visitELF_PPC_ADDR32(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF32-mips") {
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switch (RelocType) {
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case llvm::ELF::R_MIPS_32:
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return visitELF_MIPS_32(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF64-mips") {
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switch (RelocType) {
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case llvm::ELF::R_MIPS_32:
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return visitELF_MIPS_32(R, Value);
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case llvm::ELF::R_MIPS_64:
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return visitELF_MIPS_64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF64-aarch64") {
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switch (RelocType) {
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case llvm::ELF::R_AARCH64_ABS32:
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return visitELF_AARCH64_ABS32(R, Value);
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case llvm::ELF::R_AARCH64_ABS64:
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return visitELF_AARCH64_ABS64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF64-s390") {
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switch (RelocType) {
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case llvm::ELF::R_390_32:
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return visitELF_390_32(R, Value);
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case llvm::ELF::R_390_64:
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return visitELF_390_64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF32-sparc") {
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switch (RelocType) {
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case llvm::ELF::R_SPARC_32:
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case llvm::ELF::R_SPARC_UA32:
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return visitELF_SPARC_32(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF64-sparc") {
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switch (RelocType) {
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case llvm::ELF::R_SPARC_32:
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case llvm::ELF::R_SPARC_UA32:
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return visitELF_SPARCV9_32(R, Value);
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case llvm::ELF::R_SPARC_64:
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case llvm::ELF::R_SPARC_UA64:
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return visitELF_SPARCV9_64(R, Value);
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default:
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HasError = true;
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return RelocToApply();
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}
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} else if (FileFormat == "ELF32-arm") {
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switch (RelocType) {
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default:
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HasError = true;
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return RelocToApply();
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case llvm::ELF::R_ARM_ABS32:
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return visitELF_ARM_ABS32(R, Value);
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}
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}
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HasError = true;
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return RelocToApply();
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}
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bool error() { return HasError; }
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private:
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ObjectFile &ObjToVisit;
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StringRef FileFormat;
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bool HasError;
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int64_t getAddend32LE(RelocationRef R) {
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@ -667,7 +667,7 @@ DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile &Obj)
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Sym->getAddress(SymAddr);
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}
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object::RelocVisitor V(Obj);
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object::RelocVisitor V(Obj.getFileFormatName());
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// The section address is always 0 for debug sections.
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object::RelocToApply R(V.visit(Type, Reloc, 0, SymAddr));
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if (V.error()) {
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@ -1,18 +0,0 @@
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; Make sure that for each supported architecture in RelocVisitor::visit,
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; the visitor does compute the relocation. This should test all archs that
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; have buildbots. We can't set all archs, since some bots don't build all
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; back-ends.
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; RUN: llc -filetype=obj -O0 < %s | llvm-dwarfdump - 2>&1 | FileCheck %s
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; CHECK-NOT: failed to compute relocation
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.6.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/a/empty.c] [DW_LANG_C99]
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!1 = metadata !{metadata !"empty.c", metadata !"/a"}
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!2 = metadata !{}
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!3 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!4 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
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!5 = metadata !{metadata !"clang version 3.6.0 "}
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