LLVM_YAML_STRONG_TYPEDEF(uint8_t, ELF_STV)
LLVM_YAML_STRONG_TYPEDEF(uint8_t, ELF_STO)
+LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
+LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_ISA)
+
// For now, hardcode 64 bits everywhere that 32 or 64 would be needed
// since 64-bit can hold 32-bit values too.
struct FileHeader {
};
struct Section {
- enum class SectionKind { Group, RawContent, Relocation };
+ enum class SectionKind { Group, RawContent, Relocation, MipsABIFlags };
SectionKind Kind;
StringRef Name;
ELF_SHT Type;
return S->Kind == SectionKind::Relocation;
}
};
+
+// Represents .MIPS.abiflags section
+struct MipsABIFlags : Section {
+ llvm::yaml::Hex16 Version;
+ MIPS_ISA ISALevel;
+ llvm::yaml::Hex8 ISARevision;
+ MIPS_AFL_REG GPRSize;
+ MIPS_AFL_REG CPR1Size;
+ MIPS_AFL_REG CPR2Size;
+ MIPS_ABI_FP FpABI;
+ MIPS_AFL_EXT ISAExtension;
+ MIPS_AFL_ASE ASEs;
+ MIPS_AFL_FLAGS1 Flags1;
+ llvm::yaml::Hex32 Flags2;
+ MipsABIFlags() : Section(SectionKind::MipsABIFlags) {}
+ static bool classof(const Section *S) {
+ return S->Kind == SectionKind::MipsABIFlags;
+ }
+};
+
struct Object {
FileHeader Header;
std::vector<std::unique_ptr<Section>> Sections;
static void enumeration(IO &IO, ELFYAML::ELF_RSS &Value);
};
+template <>
+struct ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG> {
+ static void enumeration(IO &IO, ELFYAML::MIPS_AFL_REG &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP> {
+ static void enumeration(IO &IO, ELFYAML::MIPS_ABI_FP &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT> {
+ static void enumeration(IO &IO, ELFYAML::MIPS_AFL_EXT &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<ELFYAML::MIPS_ISA> {
+ static void enumeration(IO &IO, ELFYAML::MIPS_ISA &Value);
+};
+
+template <>
+struct ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE> {
+ static void bitset(IO &IO, ELFYAML::MIPS_AFL_ASE &Value);
+};
+
+template <>
+struct ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1> {
+ static void bitset(IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value);
+};
+
template <>
struct MappingTraits<ELFYAML::FileHeader> {
static void mapping(IO &IO, ELFYAML::FileHeader &FileHdr);
#include "llvm/Object/ELFYAML.h"
#include "llvm/Support/Casting.h"
+#include "llvm/Support/MipsABIFlags.h"
namespace llvm {
#undef ELF_RELOC
}
+void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
+ IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
+#define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X);
+ ECase(REG_NONE)
+ ECase(REG_32)
+ ECase(REG_64)
+ ECase(REG_128)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
+ IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
+#define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X);
+ ECase(FP_ANY)
+ ECase(FP_DOUBLE)
+ ECase(FP_SINGLE)
+ ECase(FP_SOFT)
+ ECase(FP_OLD_64)
+ ECase(FP_XX)
+ ECase(FP_64)
+ ECase(FP_64A)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
+ IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
+#define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X);
+ ECase(EXT_NONE)
+ ECase(EXT_XLR)
+ ECase(EXT_OCTEON2)
+ ECase(EXT_OCTEONP)
+ ECase(EXT_LOONGSON_3A)
+ ECase(EXT_OCTEON)
+ ECase(EXT_5900)
+ ECase(EXT_4650)
+ ECase(EXT_4010)
+ ECase(EXT_4100)
+ ECase(EXT_3900)
+ ECase(EXT_10000)
+ ECase(EXT_SB1)
+ ECase(EXT_4111)
+ ECase(EXT_4120)
+ ECase(EXT_5400)
+ ECase(EXT_5500)
+ ECase(EXT_LOONGSON_2E)
+ ECase(EXT_LOONGSON_2F)
+ ECase(EXT_OCTEON3)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
+ IO &IO, ELFYAML::MIPS_ISA &Value) {
+ IO.enumCase(Value, "MIPS1", 1);
+ IO.enumCase(Value, "MIPS2", 2);
+ IO.enumCase(Value, "MIPS3", 3);
+ IO.enumCase(Value, "MIPS4", 4);
+ IO.enumCase(Value, "MIPS5", 5);
+ IO.enumCase(Value, "MIPS32", 32);
+ IO.enumCase(Value, "MIPS64", 64);
+}
+
+void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
+ IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
+#define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X);
+ BCase(DSP)
+ BCase(DSPR2)
+ BCase(EVA)
+ BCase(MCU)
+ BCase(MDMX)
+ BCase(MIPS3D)
+ BCase(MT)
+ BCase(SMARTMIPS)
+ BCase(VIRT)
+ BCase(MSA)
+ BCase(MIPS16)
+ BCase(MICROMIPS)
+ BCase(XPA)
+#undef BCase
+}
+
+void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
+ IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
+#define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X);
+ BCase(ODDSPREG)
+#undef BCase
+}
+
void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
ELFYAML::FileHeader &FileHdr) {
IO.mapRequired("Class", FileHdr.Class);
IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
}
+static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
+ commonSectionMapping(IO, Section);
+ IO.mapOptional("Version", Section.Version, Hex16(0));
+ IO.mapRequired("ISA", Section.ISALevel);
+ IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
+ IO.mapOptional("ISAExtension", Section.ISAExtension,
+ ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
+ IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
+ IO.mapOptional("FpABI", Section.FpABI,
+ ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
+ IO.mapOptional("GPRSize", Section.GPRSize,
+ ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
+ IO.mapOptional("CPR1Size", Section.CPR1Size,
+ ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
+ IO.mapOptional("CPR2Size", Section.CPR2Size,
+ ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
+ IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
+ IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
+}
+
void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
ELFYAML::ELF_SHT sectionType;
Section.reset(new ELFYAML::Group());
groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
break;
+ case ELF::SHT_MIPS_ABIFLAGS:
+ if (!IO.outputting())
+ Section.reset(new ELFYAML::MipsABIFlags());
+ sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
+ break;
default:
if (!IO.outputting())
Section.reset(new ELFYAML::RawContentSection());
IO.setContext(nullptr);
}
+LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
+LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
+
} // end namespace yaml
} // end namespace llvm
--- /dev/null
+# RUN: yaml2obj -format=elf %s > %t
+# RUN: llvm-readobj -mips-abi-flags %t | FileCheck -check-prefix=OBJ %s
+# RUN: obj2yaml %t | FileCheck -check-prefix=YAML %s
+
+# OBJ: MIPS ABI Flags {
+# OBJ-NEXT: Version: 0
+# OBJ-NEXT: ISA: MIPS64r5
+# OBJ-NEXT: ISA Extension: Cavium Networks Octeon3 (0x13)
+# OBJ-NEXT: ASEs [ (0x103)
+# OBJ-NEXT: DSP (0x1)
+# OBJ-NEXT: DSPR2 (0x2)
+# OBJ-NEXT: VZ (0x100)
+# OBJ-NEXT: ]
+# OBJ-NEXT: FP ABI: Hard float (double precision) (0x1)
+# OBJ-NEXT: GPR size: 64
+# OBJ-NEXT: CPR1 size: 64
+# OBJ-NEXT: CPR2 size: 0
+# OBJ-NEXT: Flags 1 [ (0x1)
+# OBJ-NEXT: ODDSPREG (0x1)
+# OBJ-NEXT: ]
+# OBJ-NEXT: Flags 2: 0x0
+# OBJ-NEXT: }
+
+# YAML: Sections:
+# YAML-NEXT: - Name: .MIPS.abiflags
+# YAML-NEXT: Type: SHT_MIPS_ABIFLAGS
+# YAML-NEXT: AddressAlign: 0x0000000000000008
+# YAML-NEXT: ISA: MIPS64
+# YAML-NEXT: ISARevision: 0x05
+# YAML-NEXT: ISAExtension: EXT_OCTEON3
+# YAML-NEXT: ASEs: [ DSP, DSPR2, VIRT ]
+# YAML-NEXT: FpABI: FP_DOUBLE
+# YAML-NEXT: GPRSize: REG_64
+# YAML-NEXT: CPR1Size: REG_64
+# YAML-NEXT: Flags1: [ ODDSPREG ]
+
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2MSB
+ Type: ET_REL
+ Machine: EM_MIPS
+
+Sections:
+- Name: .MIPS.abiflags
+ Type: SHT_MIPS_ABIFLAGS
+ AddressAlign: 8
+ Version: 0
+ ISA: MIPS64
+ ISARevision: 5
+ ISAExtension: EXT_OCTEON3
+ ASEs: [ DSP, DSPR2, VIRT ]
+ FpABI: FP_DOUBLE
+ GPRSize: REG_64
+ CPR1Size: REG_64
+ CPR2Size: REG_NONE
+ Flags1: [ ODDSPREG ]
+ Flags2: 0x0
+
+Symbols:
+ Local:
+ - Name: .MIPS.abiflags
+ Type: STT_SECTION
+ Section: .MIPS.abiflags
ELF-MIPSEL-NEXT: Type: SHT_MIPS_ABIFLAGS
ELF-MIPSEL-NEXT: Flags: [ SHF_ALLOC ]
ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000008
-ELF-MIPSEL-NEXT: Content: '000020010101000100000000000000000100000000000000'
+ELF-MIPSEL-NEXT: ISA: MIPS32
+ELF-MIPSEL-NEXT: ISARevision: 0x01
+ELF-MIPSEL-NEXT: FpABI: FP_DOUBLE
+ELF-MIPSEL-NEXT: GPRSize: REG_32
+ELF-MIPSEL-NEXT: CPR1Size: REG_32
+ELF-MIPSEL-NEXT: Flags1: [ ODDSPREG ]
ELF-MIPSEL-NEXT: Symbols:
ELF-MIPSEL-NEXT: Local:
ELF-MIPSEL-NEXT: - Name: trivial.ll
ErrorOr<ELFYAML::RawContentSection *>
dumpContentSection(const Elf_Shdr *Shdr);
ErrorOr<ELFYAML::Group *> dumpGroup(const Elf_Shdr *Shdr);
+ ErrorOr<ELFYAML::MipsABIFlags *> dumpMipsABIFlags(const Elf_Shdr *Shdr);
public:
ELFDumper(const object::ELFFile<ELFT> &O);
Y->Sections.push_back(std::unique_ptr<ELFYAML::Section>(G.get()));
break;
}
+ case ELF::SHT_MIPS_ABIFLAGS: {
+ ErrorOr<ELFYAML::MipsABIFlags *> G = dumpMipsABIFlags(&Sec);
+ if (std::error_code EC = G.getError())
+ return EC;
+ Y->Sections.push_back(std::unique_ptr<ELFYAML::Section>(G.get()));
+ break;
+ }
default: {
ErrorOr<ELFYAML::RawContentSection *> S = dumpContentSection(&Sec);
if (std::error_code EC = S.getError())
return S.release();
}
+template <class ELFT>
+ErrorOr<ELFYAML::MipsABIFlags *>
+ELFDumper<ELFT>::dumpMipsABIFlags(const Elf_Shdr *Shdr) {
+ assert(Shdr->sh_type == ELF::SHT_MIPS_ABIFLAGS &&
+ "Section type is not SHT_MIPS_ABIFLAGS");
+ auto S = make_unique<ELFYAML::MipsABIFlags>();
+ if (std::error_code EC = dumpCommonSection(Shdr, *S))
+ return EC;
+
+ ErrorOr<ArrayRef<uint8_t>> ContentOrErr = Obj.getSectionContents(Shdr);
+ if (std::error_code EC = ContentOrErr.getError())
+ return EC;
+
+ auto *Flags = reinterpret_cast<const object::Elf_Mips_ABIFlags<ELFT> *>(
+ ContentOrErr.get().data());
+ S->Version = Flags->version;
+ S->ISALevel = Flags->isa_level;
+ S->ISARevision = Flags->isa_rev;
+ S->GPRSize = Flags->gpr_size;
+ S->CPR1Size = Flags->cpr1_size;
+ S->CPR2Size = Flags->cpr2_size;
+ S->FpABI = Flags->fp_abi;
+ S->ISAExtension = Flags->isa_ext;
+ S->ASEs = Flags->ases;
+ S->Flags1 = Flags->flags1;
+ S->Flags2 = Flags->flags2;
+ return S.release();
+}
+
template <class ELFT>
static std::error_code elf2yaml(raw_ostream &Out,
const object::ELFFile<ELFT> &Obj) {
ContiguousBlobAccumulator &CBA);
bool writeSectionContent(Elf_Shdr &SHeader, const ELFYAML::Group &Group,
ContiguousBlobAccumulator &CBA);
+ bool writeSectionContent(Elf_Shdr &SHeader,
+ const ELFYAML::MipsABIFlags &Section,
+ ContiguousBlobAccumulator &CBA);
// - SHT_NULL entry (placed first, i.e. 0'th entry)
// - symbol table (.symtab) (placed third to last)
SHeader.sh_info = SymIdx;
if (!writeSectionContent(SHeader, *S, CBA))
return false;
+ } else if (auto S = dyn_cast<ELFYAML::MipsABIFlags>(Sec.get())) {
+ if (!writeSectionContent(SHeader, *S, CBA))
+ return false;
} else
llvm_unreachable("Unknown section type");
return true;
}
+template <class ELFT>
+bool ELFState<ELFT>::writeSectionContent(Elf_Shdr &SHeader,
+ const ELFYAML::MipsABIFlags &Section,
+ ContiguousBlobAccumulator &CBA) {
+ if (Section.Type != llvm::ELF::SHT_MIPS_ABIFLAGS) {
+ errs() << "error: Invalid section type.\n";
+ return false;
+ }
+
+ object::Elf_Mips_ABIFlags<ELFT> Flags;
+ zero(Flags);
+ SHeader.sh_entsize = sizeof(Flags);
+ SHeader.sh_size = SHeader.sh_entsize;
+
+ auto &OS = CBA.getOSAndAlignedOffset(SHeader.sh_offset);
+ Flags.version = Section.Version;
+ Flags.isa_level = Section.ISALevel;
+ Flags.isa_rev = Section.ISARevision;
+ Flags.gpr_size = Section.GPRSize;
+ Flags.cpr1_size = Section.CPR1Size;
+ Flags.cpr2_size = Section.CPR2Size;
+ Flags.fp_abi = Section.FpABI;
+ Flags.isa_ext = Section.ISAExtension;
+ Flags.ases = Section.ASEs;
+ Flags.flags1 = Section.Flags1;
+ Flags.flags2 = Section.Flags2;
+ OS.write((const char *)&Flags, sizeof(Flags));
+
+ return true;
+}
+
template <class ELFT> bool ELFState<ELFT>::buildSectionIndex() {
SN2I.addName(".symtab", getDotSymTabSecNo());
SN2I.addName(".strtab", getDotStrTabSecNo());
projects / oota-llvm.git / commitdiff