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-rw-r--r--contrib/llvm/tools/llvm-readobj/ELFDumper.cpp234
1 files changed, 209 insertions, 25 deletions
diff --git a/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp b/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp
index d68c786..0931cb7 100644
--- a/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -26,6 +26,7 @@
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/MipsABIFlags.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@@ -56,6 +57,7 @@ public:
void printAttributes() override;
void printMipsPLTGOT() override;
+ void printMipsABIFlags() override;
private:
typedef ELFFile<ELFT> ELFO;
@@ -139,19 +141,19 @@ static void
getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
StringRef &SectionName, unsigned &SectionIndex) {
SectionIndex = Symbol->st_shndx;
- if (SectionIndex == SHN_UNDEF) {
+ if (Symbol->isUndefined())
SectionName = "Undefined";
- } else if (SectionIndex >= SHN_LOPROC && SectionIndex <= SHN_HIPROC) {
+ else if (Symbol->isProcessorSpecific())
SectionName = "Processor Specific";
- } else if (SectionIndex >= SHN_LOOS && SectionIndex <= SHN_HIOS) {
+ else if (Symbol->isOSSpecific())
SectionName = "Operating System Specific";
- } else if (SectionIndex > SHN_HIOS && SectionIndex < SHN_ABS) {
+ else if (Symbol->isReserved())
SectionName = "Reserved";
- } else if (SectionIndex == SHN_ABS) {
+ else if (Symbol->isAbsolute())
SectionName = "Absolute";
- } else if (SectionIndex == SHN_COMMON) {
+ else if (Symbol->isCommon())
SectionName = "Common";
- } else {
+ else {
if (SectionIndex == SHN_XINDEX)
SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
assert(SectionIndex != SHN_XINDEX &&
@@ -170,6 +172,16 @@ findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
return nullptr;
}
+template <class ELFT>
+static const typename ELFFile<ELFT>::Elf_Shdr *
+findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
+ for (const auto &Shdr : Obj.sections()) {
+ if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
+ return &Shdr;
+ }
+ return nullptr;
+}
+
static const EnumEntry<unsigned> ElfClass[] = {
{ "None", ELF::ELFCLASSNONE },
{ "32-bit", ELF::ELFCLASS32 },
@@ -207,6 +219,7 @@ static const EnumEntry<unsigned> ElfOSABI[] = {
{ "NSK", ELF::ELFOSABI_NSK },
{ "AROS", ELF::ELFOSABI_AROS },
{ "FenixOS", ELF::ELFOSABI_FENIXOS },
+ { "CloudABI", ELF::ELFOSABI_CLOUDABI },
{ "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
{ "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
{ "ARM", ELF::ELFOSABI_ARM },
@@ -372,9 +385,10 @@ static const EnumEntry<unsigned> ElfMachineType[] = {
};
static const EnumEntry<unsigned> ElfSymbolBindings[] = {
- { "Local", ELF::STB_LOCAL },
- { "Global", ELF::STB_GLOBAL },
- { "Weak", ELF::STB_WEAK }
+ { "Local", ELF::STB_LOCAL },
+ { "Global", ELF::STB_GLOBAL },
+ { "Weak", ELF::STB_WEAK },
+ { "Unique", ELF::STB_GNU_UNIQUE }
};
static const EnumEntry<unsigned> ElfSymbolTypes[] = {
@@ -469,6 +483,7 @@ static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
}
}
@@ -503,10 +518,33 @@ static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
@@ -549,7 +587,8 @@ void ELFDumper<ELFT>::printFileHeaders() {
W.printHex ("SectionHeaderOffset", Header->e_shoff);
if (Header->e_machine == EM_MIPS)
W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
- unsigned(ELF::EF_MIPS_ARCH));
+ unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
+ unsigned(ELF::EF_MIPS_MACH));
else
W.printFlags("Flags", Header->e_flags);
W.printNumber("HeaderSize", Header->e_ehsize);
@@ -666,26 +705,30 @@ void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
typename ELFO::Elf_Rela Rel) {
SmallString<32> RelocName;
Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
- StringRef SymbolName;
+ StringRef TargetName;
std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
Obj->getRelocationSymbol(Sec, &Rel);
- if (Sym.first)
- SymbolName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
+ if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
+ const Elf_Shdr *Sec = Obj->getSection(Sym.second);
+ ErrorOr<StringRef> SecName = Obj->getSectionName(Sec);
+ if (SecName)
+ TargetName = SecName.get();
+ } else if (Sym.first) {
+ TargetName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
+ }
if (opts::ExpandRelocs) {
DictScope Group(W, "Relocation");
W.printHex("Offset", Rel.r_offset);
W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
- W.printNumber("Symbol", SymbolName.size() > 0 ? SymbolName : "-",
+ W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rel.getSymbol(Obj->isMips64EL()));
W.printHex("Addend", Rel.r_addend);
} else {
raw_ostream& OS = W.startLine();
- OS << W.hex(Rel.r_offset)
- << " " << RelocName
- << " " << (SymbolName.size() > 0 ? SymbolName : "-")
- << " " << W.hex(Rel.r_addend)
- << "\n";
+ OS << W.hex(Rel.r_offset) << " " << RelocName << " "
+ << (TargetName.size() > 0 ? TargetName : "-") << " "
+ << W.hex(Rel.r_addend) << "\n";
}
}
@@ -739,6 +782,7 @@ static const char *getTypeString(uint64_t Type) {
LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
LLVM_READOBJ_TYPE_CASE(FLAGS);
+ LLVM_READOBJ_TYPE_CASE(FLAGS_1);
LLVM_READOBJ_TYPE_CASE(HASH);
LLVM_READOBJ_TYPE_CASE(INIT);
LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
@@ -780,6 +824,7 @@ static const char *getTypeString(uint64_t Type) {
LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
+ LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
default: return "unknown";
}
}
@@ -797,6 +842,34 @@ static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
};
+static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
+ LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
+};
+
static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
@@ -871,6 +944,7 @@ static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
case DT_MIPS_GOTSYM:
case DT_MIPS_RLD_MAP:
case DT_MIPS_PLTGOT:
+ case DT_MIPS_OPTIONS:
OS << format("0x%" PRIX64, Value);
break;
case DT_RELCOUNT:
@@ -909,6 +983,9 @@ static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
case DT_FLAGS:
printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
break;
+ case DT_FLAGS_1:
+ printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
+ break;
}
}
@@ -918,11 +995,10 @@ void ELFDumper<ELFT>::printUnwindInfo() {
}
namespace {
-template <>
-void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
+template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
const unsigned Machine = Obj->getHeader()->e_machine;
if (Machine == EM_ARM) {
- ARM::EHABI::PrinterContext<ELFType<support::little, 2, false> > Ctx(W, Obj);
+ ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
return Ctx.PrintUnwindInformation();
}
W.startLine() << "UnwindInfo not implemented.\n";
@@ -1002,8 +1078,7 @@ void ELFDumper<ELFT>::printAttributes() {
}
namespace {
-template <>
-void ELFDumper<ELFType<support::little, 2, false> >::printAttributes() {
+template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
if (Obj->getHeader()->e_machine != EM_ARM) {
W.startLine() << "Attributes not implemented.\n";
return;
@@ -1240,3 +1315,112 @@ template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
}
+
+static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
+ {"None", Mips::AFL_EXT_NONE},
+ {"Broadcom SB-1", Mips::AFL_EXT_SB1},
+ {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
+ {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
+ {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
+ {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
+ {"LSI R4010", Mips::AFL_EXT_4010},
+ {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
+ {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
+ {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
+ {"MIPS R4650", Mips::AFL_EXT_4650},
+ {"MIPS R5900", Mips::AFL_EXT_5900},
+ {"MIPS R10000", Mips::AFL_EXT_10000},
+ {"NEC VR4100", Mips::AFL_EXT_4100},
+ {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
+ {"NEC VR4120", Mips::AFL_EXT_4120},
+ {"NEC VR5400", Mips::AFL_EXT_5400},
+ {"NEC VR5500", Mips::AFL_EXT_5500},
+ {"RMI Xlr", Mips::AFL_EXT_XLR},
+ {"Toshiba R3900", Mips::AFL_EXT_3900}
+};
+
+static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
+ {"DSP", Mips::AFL_ASE_DSP},
+ {"DSPR2", Mips::AFL_ASE_DSPR2},
+ {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
+ {"MCU", Mips::AFL_ASE_MCU},
+ {"MDMX", Mips::AFL_ASE_MDMX},
+ {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
+ {"MT", Mips::AFL_ASE_MT},
+ {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
+ {"VZ", Mips::AFL_ASE_VIRT},
+ {"MSA", Mips::AFL_ASE_MSA},
+ {"MIPS16", Mips::AFL_ASE_MIPS16},
+ {"microMIPS", Mips::AFL_ASE_MICROMIPS},
+ {"XPA", Mips::AFL_ASE_XPA}
+};
+
+static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
+ {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
+ {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
+ {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
+ {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
+ {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
+ Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
+ {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
+ {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
+ {"Hard float compat (32-bit CPU, 64-bit FPU)",
+ Mips::Val_GNU_MIPS_ABI_FP_64A}
+};
+
+static const EnumEntry<unsigned> ElfMipsFlags1[] {
+ {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
+};
+
+static int getMipsRegisterSize(uint8_t Flag) {
+ switch (Flag) {
+ case Mips::AFL_REG_NONE:
+ return 0;
+ case Mips::AFL_REG_32:
+ return 32;
+ case Mips::AFL_REG_64:
+ return 64;
+ case Mips::AFL_REG_128:
+ return 128;
+ default:
+ return -1;
+ }
+}
+
+template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
+ const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
+ if (!Shdr) {
+ W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
+ return;
+ }
+ ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
+ if (!Sec) {
+ W.startLine() << "The .MIPS.abiflags section is empty.\n";
+ return;
+ }
+ if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
+ W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
+ return;
+ }
+
+ auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
+
+ raw_ostream &OS = W.getOStream();
+ DictScope GS(W, "MIPS ABI Flags");
+
+ W.printNumber("Version", Flags->version);
+ W.startLine() << "ISA: ";
+ if (Flags->isa_rev <= 1)
+ OS << format("MIPS%u", Flags->isa_level);
+ else
+ OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
+ OS << "\n";
+ W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
+ W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
+ W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
+ W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
+ W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
+ W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
+ W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
+ W.printHex("Flags 2", Flags->flags2);
+}
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