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[llvm-readobj][mips] Implement GNU-style printing of .MIPS.abiflags section
In this patch `llvm-readobj` prints ASEs flags on a single line separated by a comma. GNU `readelf` prints each ASEs flag on a separate line. It will be fixed later. llvm-svn: 373732
This commit is contained in:
Simon Atanasyan
parent
861303204d
commit
bd5840681b
@ -3,6 +3,11 @@ RUN: FileCheck -check-prefix=EL64 %s
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RUN: llvm-readobj -A %p/Inputs/abiflags.obj.elf-mips | \
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RUN: FileCheck -check-prefix=BE32 %s
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RUN: llvm-readelf -A %p/Inputs/abiflags.obj.elf-mipsel | \
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RUN: FileCheck -check-prefix=GNU-EL64 %s
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RUN: llvm-readelf -A %p/Inputs/abiflags.obj.elf-mips | \
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RUN: FileCheck -check-prefix=GNU-BE32 %s
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EL64: MIPS ABI Flags {
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EL64-NEXT: Version: 0
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EL64-NEXT: ISA: MIPS64r5
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@ -40,3 +45,27 @@ BE32-NEXT: ODDSPREG (0x1)
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BE32-NEXT: ]
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BE32-NEXT: Flags 2: 0x0
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BE32-NEXT: }
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GNU-EL64: MIPS ABI Flags Version: 0
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GNU-EL64-EMPTY:
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GNU-EL64-NEXT: ISA: MIPS64r5
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GNU-EL64-NEXT: GPR size: 64
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GNU-EL64-NEXT: CPR1 size: 64
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GNU-EL64-NEXT: CPR2 size: 0
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GNU-EL64-NEXT: FP ABI: Hard float (double precision)
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GNU-EL64-NEXT: ISA Extension: Cavium Networks Octeon3
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GNU-EL64-NEXT: ASEs: DSP, DSPR2, VZ
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GNU-EL64-NEXT: FLAGS 1: 00000001
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GNU-EL64-NEXT: FLAGS 2: 00000000
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GNU-BE32: MIPS ABI Flags Version: 0
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GNU-BE32-EMPTY:
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GNU-BE32-NEXT: ISA: MIPS32r2
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GNU-BE32-NEXT: GPR size: 32
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GNU-BE32-NEXT: CPR1 size: 0
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GNU-BE32-NEXT: CPR2 size: 0
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GNU-BE32-NEXT: FP ABI: Soft float
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GNU-BE32-NEXT: ISA Extension: None
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GNU-BE32-NEXT: ASEs: DSP, DSPR2, microMIPS
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GNU-BE32-NEXT: FLAGS 1: 00000001
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GNU-BE32-NEXT: FLAGS 2: 00000000
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@ -216,7 +216,6 @@ private:
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void printAttributes();
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void printMipsPLTGOT();
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void printMipsABIFlags();
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void printMipsReginfo();
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void printMipsOptions();
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@ -431,6 +430,7 @@ public:
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virtual void printStackSizeEntry(uint64_t Size, StringRef FuncName) = 0;
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virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0;
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virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0;
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virtual void printMipsABIFlags(const ELFObjectFile<ELFT> *Obj) = 0;
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const ELFDumper<ELFT> *dumper() const { return Dumper; }
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protected:
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@ -482,6 +482,7 @@ public:
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void printStackSizeEntry(uint64_t Size, StringRef FuncName) override;
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void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
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void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
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void printMipsABIFlags(const ELFObjectFile<ELFT> *Obj) override;
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private:
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struct Field {
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@ -588,6 +589,7 @@ public:
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void printStackSizeEntry(uint64_t Size, StringRef FuncName) override;
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void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
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void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
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void printMipsABIFlags(const ELFObjectFile<ELFT> *Obj) override;
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private:
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void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab);
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@ -2219,7 +2221,7 @@ template <class ELFT> void ELFDumper<ELFT>::printArchSpecificInfo() {
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printAttributes();
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break;
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case EM_MIPS:
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printMipsABIFlags();
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ELFDumperStyle->printMipsABIFlags(ObjF);
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printMipsOptions();
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printMipsReginfo();
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printMipsPLTGOT();
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@ -2623,43 +2625,6 @@ static int getMipsRegisterSize(uint8_t Flag) {
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}
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}
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template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
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const ELFFile<ELFT> *Obj = ObjF->getELFFile();
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const Elf_Shdr *Shdr =
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findSectionByName(*Obj, ObjF->getFileName(), ".MIPS.abiflags");
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if (!Shdr) {
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W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
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return;
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}
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ArrayRef<uint8_t> Sec =
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unwrapOrError(ObjF->getFileName(), Obj->getSectionContents(Shdr));
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if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
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W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
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return;
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}
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auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
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raw_ostream &OS = W.getOStream();
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DictScope GS(W, "MIPS ABI Flags");
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W.printNumber("Version", Flags->version);
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W.startLine() << "ISA: ";
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if (Flags->isa_rev <= 1)
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OS << format("MIPS%u", Flags->isa_level);
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else
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OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
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OS << "\n";
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W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
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W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
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W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
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W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
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W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
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W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
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W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
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W.printHex("Flags 2", Flags->flags2);
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}
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template <class ELFT>
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static void printMipsReginfoData(ScopedPrinter &W,
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const Elf_Mips_RegInfo<ELFT> &Reginfo) {
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@ -5121,6 +5086,45 @@ void GNUStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
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}
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}
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template <class ELFT>
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void GNUStyle<ELFT>::printMipsABIFlags(const ELFObjectFile<ELFT> *ObjF) {
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const ELFFile<ELFT> *Obj = ObjF->getELFFile();
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const Elf_Shdr *Shdr =
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findSectionByName(*Obj, ObjF->getFileName(), ".MIPS.abiflags");
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if (!Shdr)
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return;
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ArrayRef<uint8_t> Sec =
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unwrapOrError(ObjF->getFileName(), Obj->getSectionContents(Shdr));
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if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>))
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reportError(createError(".MIPS.abiflags section has a wrong size"),
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ObjF->getFileName());
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auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
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OS << "MIPS ABI Flags Version: " << Flags->version << "\n\n";
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OS << "ISA: MIPS" << int(Flags->isa_level);
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if (Flags->isa_rev > 1)
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OS << "r" << int(Flags->isa_rev);
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OS << "\n";
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OS << "GPR size: " << getMipsRegisterSize(Flags->gpr_size) << "\n";
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OS << "CPR1 size: " << getMipsRegisterSize(Flags->cpr1_size) << "\n";
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OS << "CPR2 size: " << getMipsRegisterSize(Flags->cpr2_size) << "\n";
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OS << "FP ABI: " << printEnum(Flags->fp_abi, makeArrayRef(ElfMipsFpABIType))
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<< "\n";
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OS << "ISA Extension: "
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<< printEnum(Flags->isa_ext, makeArrayRef(ElfMipsISAExtType)) << "\n";
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if (Flags->ases == 0)
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OS << "ASEs: None\n";
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else
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// FIXME: Print each flag on a separate line.
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OS << "ASEs: " << printFlags(Flags->ases, makeArrayRef(ElfMipsASEFlags))
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<< "\n";
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OS << "FLAGS 1: " << format_hex_no_prefix(Flags->flags1, 8, false) << "\n";
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OS << "FLAGS 2: " << format_hex_no_prefix(Flags->flags2, 8, false) << "\n";
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OS << "\n";
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}
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template <class ELFT> void LLVMStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
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const Elf_Ehdr *E = Obj->getHeader();
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{
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@ -6043,3 +6047,41 @@ void LLVMStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
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}
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}
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}
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template <class ELFT>
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void LLVMStyle<ELFT>::printMipsABIFlags(const ELFObjectFile<ELFT> *ObjF) {
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const ELFFile<ELFT> *Obj = ObjF->getELFFile();
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const Elf_Shdr *Shdr =
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findSectionByName(*Obj, ObjF->getFileName(), ".MIPS.abiflags");
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if (!Shdr) {
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W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
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return;
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}
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ArrayRef<uint8_t> Sec =
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unwrapOrError(ObjF->getFileName(), Obj->getSectionContents(Shdr));
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if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
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W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
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return;
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}
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auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
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raw_ostream &OS = W.getOStream();
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DictScope GS(W, "MIPS ABI Flags");
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W.printNumber("Version", Flags->version);
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W.startLine() << "ISA: ";
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if (Flags->isa_rev <= 1)
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OS << format("MIPS%u", Flags->isa_level);
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else
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OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
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OS << "\n";
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W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
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W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
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W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
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W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
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W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
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W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
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W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
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W.printHex("Flags 2", Flags->flags2);
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}
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