//===-- llvm-objdump.cpp - Object file dumping utility for llvm -----------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
#include <unordered_map>
#include <utility>
-using namespace llvm;
-using namespace object;
+using namespace llvm::object;
+
+namespace llvm {
+
+// MachO specific
+extern cl::opt<bool> Bind;
+extern cl::opt<bool> DataInCode;
+extern cl::opt<bool> DylibsUsed;
+extern cl::opt<bool> DylibId;
+extern cl::opt<bool> ExportsTrie;
+extern cl::opt<bool> FirstPrivateHeader;
+extern cl::opt<bool> IndirectSymbols;
+extern cl::opt<bool> InfoPlist;
+extern cl::opt<bool> LazyBind;
+extern cl::opt<bool> LinkOptHints;
+extern cl::opt<bool> ObjcMetaData;
+extern cl::opt<bool> Rebase;
+extern cl::opt<bool> UniversalHeaders;
+extern cl::opt<bool> WeakBind;
+
+static cl::opt<uint64_t> AdjustVMA(
+ "adjust-vma",
+ cl::desc("Increase the displayed address by the specified offset"),
+ cl::value_desc("offset"), cl::init(0));
-cl::opt<bool>
- llvm::AllHeaders("all-headers",
- cl::desc("Display all available header information"));
+static cl::opt<bool>
+ AllHeaders("all-headers",
+ cl::desc("Display all available header information"));
static cl::alias AllHeadersShort("x", cl::desc("Alias for --all-headers"),
+ cl::NotHidden, cl::Grouping,
cl::aliasopt(AllHeaders));
-static cl::list<std::string>
-InputFilenames(cl::Positional, cl::desc("<input object files>"),cl::ZeroOrMore);
+static cl::opt<std::string>
+ ArchName("arch-name", cl::desc("Target arch to disassemble for, "
+ "see -version for available targets"));
-cl::opt<bool>
-llvm::Disassemble("disassemble",
- cl::desc("Display assembler mnemonics for the machine instructions"));
-static cl::alias
-Disassembled("d", cl::desc("Alias for --disassemble"),
- cl::aliasopt(Disassemble));
-
-cl::opt<bool>
-llvm::DisassembleAll("disassemble-all",
- cl::desc("Display assembler mnemonics for the machine instructions"));
-static cl::alias
-DisassembleAlld("D", cl::desc("Alias for --disassemble-all"),
- cl::aliasopt(DisassembleAll));
-
-cl::opt<bool> llvm::Demangle("demangle", cl::desc("Demangle symbols names"),
- cl::init(false));
+cl::opt<bool> ArchiveHeaders("archive-headers",
+ cl::desc("Display archive header information"));
+static cl::alias ArchiveHeadersShort("a",
+ cl::desc("Alias for --archive-headers"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(ArchiveHeaders));
+cl::opt<bool> Demangle("demangle", cl::desc("Demangle symbols names"),
+ cl::init(false));
static cl::alias DemangleShort("C", cl::desc("Alias for --demangle"),
- cl::aliasopt(llvm::Demangle));
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(Demangle));
+
+cl::opt<bool> Disassemble(
+ "disassemble",
+ cl::desc("Display assembler mnemonics for the machine instructions"));
+static cl::alias DisassembleShort("d", cl::desc("Alias for --disassemble"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(Disassemble));
+
+cl::opt<bool> DisassembleAll(
+ "disassemble-all",
+ cl::desc("Display assembler mnemonics for the machine instructions"));
+static cl::alias DisassembleAllShort("D",
+ cl::desc("Alias for --disassemble-all"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(DisassembleAll));
static cl::list<std::string>
-DisassembleFunctions("df",
+DisassembleFunctions("disassemble-functions",
cl::CommaSeparated,
cl::desc("List of functions to disassemble"));
-static StringSet<> DisasmFuncsSet;
-
-cl::opt<bool>
-llvm::Relocations("reloc",
- cl::desc("Display the relocation entries in the file"));
-static cl::alias RelocationsShort("r", cl::desc("Alias for --reloc"),
- cl::NotHidden,
- cl::aliasopt(llvm::Relocations));
-cl::opt<bool>
-llvm::DynamicRelocations("dynamic-reloc",
- cl::desc("Display the dynamic relocation entries in the file"));
+static cl::opt<bool> DisassembleZeroes(
+ "disassemble-zeroes",
+ cl::desc("Do not skip blocks of zeroes when disassembling"));
static cl::alias
-DynamicRelocationsd("R", cl::desc("Alias for --dynamic-reloc"),
- cl::aliasopt(DynamicRelocations));
+ DisassembleZeroesShort("z", cl::desc("Alias for --disassemble-zeroes"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(DisassembleZeroes));
-cl::opt<bool>
- llvm::SectionContents("full-contents",
- cl::desc("Display the content of each section"));
-static cl::alias SectionContentsShort("s",
- cl::desc("Alias for --full-contents"),
- cl::aliasopt(SectionContents));
+static cl::list<std::string>
+ DisassemblerOptions("disassembler-options",
+ cl::desc("Pass target specific disassembler options"),
+ cl::value_desc("options"), cl::CommaSeparated);
+static cl::alias
+ DisassemblerOptionsShort("M", cl::desc("Alias for --disassembler-options"),
+ cl::NotHidden, cl::Grouping, cl::Prefix,
+ cl::CommaSeparated,
+ cl::aliasopt(DisassemblerOptions));
-cl::opt<bool> llvm::SymbolTable("syms", cl::desc("Display the symbol table"));
-static cl::alias SymbolTableShort("t", cl::desc("Alias for --syms"),
- cl::NotHidden,
- cl::aliasopt(llvm::SymbolTable));
+cl::opt<DIDumpType> DwarfDumpType(
+ "dwarf", cl::init(DIDT_Null), cl::desc("Dump of dwarf debug sections:"),
+ cl::values(clEnumValN(DIDT_DebugFrame, "frames", ".debug_frame")));
-cl::opt<bool>
-llvm::ExportsTrie("exports-trie", cl::desc("Display mach-o exported symbols"));
+static cl::opt<bool> DynamicRelocations(
+ "dynamic-reloc",
+ cl::desc("Display the dynamic relocation entries in the file"));
+static cl::alias DynamicRelocationShort("R",
+ cl::desc("Alias for --dynamic-reloc"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(DynamicRelocations));
-cl::opt<bool>
-llvm::Rebase("rebase", cl::desc("Display mach-o rebasing info"));
+static cl::opt<bool>
+ FaultMapSection("fault-map-section",
+ cl::desc("Display contents of faultmap section"));
-cl::opt<bool>
-llvm::Bind("bind", cl::desc("Display mach-o binding info"));
+static cl::opt<bool>
+ FileHeaders("file-headers",
+ cl::desc("Display the contents of the overall file header"));
+static cl::alias FileHeadersShort("f", cl::desc("Alias for --file-headers"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(FileHeaders));
-cl::opt<bool>
-llvm::LazyBind("lazy-bind", cl::desc("Display mach-o lazy binding info"));
+cl::opt<bool> SectionContents("full-contents",
+ cl::desc("Display the content of each section"));
+static cl::alias SectionContentsShort("s",
+ cl::desc("Alias for --full-contents"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(SectionContents));
-cl::opt<bool>
-llvm::WeakBind("weak-bind", cl::desc("Display mach-o weak binding info"));
+static cl::list<std::string>
+InputFilenames(cl::Positional, cl::desc("<input object files>"),cl::ZeroOrMore);
-cl::opt<bool>
-llvm::RawClangAST("raw-clang-ast",
- cl::desc("Dump the raw binary contents of the clang AST section"));
+static cl::opt<bool>
+ PrintLines("line-numbers",
+ cl::desc("Display source line numbers with "
+ "disassembly. Implies disassemble object"));
+static cl::alias PrintLinesShort("l", cl::desc("Alias for --line-numbers"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(PrintLines));
static cl::opt<bool>
MachOOpt("macho", cl::desc("Use MachO specific object file parser"));
-static cl::alias
-MachOm("m", cl::desc("Alias for --macho"), cl::aliasopt(MachOOpt));
+static cl::alias MachOm("m", cl::desc("Alias for --macho"), cl::NotHidden,
+ cl::Grouping, cl::aliasopt(MachOOpt));
cl::opt<std::string>
-llvm::TripleName("triple", cl::desc("Target triple to disassemble for, "
- "see -version for available targets"));
-
-cl::opt<std::string>
-llvm::MCPU("mcpu",
- cl::desc("Target a specific cpu type (-mcpu=help for details)"),
- cl::value_desc("cpu-name"),
- cl::init(""));
-
-cl::opt<std::string>
-llvm::ArchName("arch-name", cl::desc("Target arch to disassemble for, "
- "see -version for available targets"));
-
-cl::opt<bool>
-llvm::SectionHeaders("section-headers", cl::desc("Display summaries of the "
- "headers for each section."));
-static cl::alias
-SectionHeadersShort("headers", cl::desc("Alias for --section-headers"),
- cl::aliasopt(SectionHeaders));
-static cl::alias
-SectionHeadersShorter("h", cl::desc("Alias for --section-headers"),
- cl::aliasopt(SectionHeaders));
-
-cl::list<std::string>
-llvm::FilterSections("section", cl::desc("Operate on the specified sections only. "
- "With -macho dump segment,section"));
-cl::alias
-static FilterSectionsj("j", cl::desc("Alias for --section"),
- cl::aliasopt(llvm::FilterSections));
-
-cl::list<std::string>
-llvm::MAttrs("mattr",
- cl::CommaSeparated,
- cl::desc("Target specific attributes"),
- cl::value_desc("a1,+a2,-a3,..."));
-
-cl::opt<bool>
-llvm::NoShowRawInsn("no-show-raw-insn", cl::desc("When disassembling "
- "instructions, do not print "
- "the instruction bytes."));
-cl::opt<bool>
-llvm::NoLeadingAddr("no-leading-addr", cl::desc("Print no leading address"));
-
-cl::opt<bool>
-llvm::UnwindInfo("unwind-info", cl::desc("Display unwind information"));
-
-static cl::alias
-UnwindInfoShort("u", cl::desc("Alias for --unwind-info"),
- cl::aliasopt(UnwindInfo));
-
-cl::opt<bool>
-llvm::PrivateHeaders("private-headers",
- cl::desc("Display format specific file headers"));
+ MCPU("mcpu",
+ cl::desc("Target a specific cpu type (-mcpu=help for details)"),
+ cl::value_desc("cpu-name"), cl::init(""));
+
+cl::list<std::string> MAttrs("mattr", cl::CommaSeparated,
+ cl::desc("Target specific attributes"),
+ cl::value_desc("a1,+a2,-a3,..."));
+
+cl::opt<bool> NoShowRawInsn("no-show-raw-insn",
+ cl::desc("When disassembling "
+ "instructions, do not print "
+ "the instruction bytes."));
+cl::opt<bool> NoLeadingAddr("no-leading-addr",
+ cl::desc("Print no leading address"));
+
+static cl::opt<bool> RawClangAST(
+ "raw-clang-ast",
+ cl::desc("Dump the raw binary contents of the clang AST section"));
cl::opt<bool>
-llvm::FirstPrivateHeader("private-header",
- cl::desc("Display only the first format specific file "
- "header"));
-
-static cl::alias
-PrivateHeadersShort("p", cl::desc("Alias for --private-headers"),
- cl::aliasopt(PrivateHeaders));
-
-cl::opt<bool> llvm::FileHeaders(
- "file-headers",
- cl::desc("Display the contents of the overall file header"));
-
-static cl::alias FileHeadersShort("f", cl::desc("Alias for --file-headers"),
- cl::aliasopt(FileHeaders));
+ Relocations("reloc",
+ cl::desc("Display the relocation entries in the file"));
+static cl::alias RelocationsShort("r", cl::desc("Alias for --reloc"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(Relocations));
cl::opt<bool>
- llvm::ArchiveHeaders("archive-headers",
- cl::desc("Display archive header information"));
-
-cl::alias
-ArchiveHeadersShort("a", cl::desc("Alias for --archive-headers"),
- cl::aliasopt(ArchiveHeaders));
+ PrintImmHex("print-imm-hex",
+ cl::desc("Use hex format for immediate values"));
cl::opt<bool>
- llvm::PrintImmHex("print-imm-hex",
- cl::desc("Use hex format for immediate values"));
+ PrivateHeaders("private-headers",
+ cl::desc("Display format specific file headers"));
+static cl::alias PrivateHeadersShort("p",
+ cl::desc("Alias for --private-headers"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(PrivateHeaders));
-cl::opt<bool> PrintFaultMaps("fault-map-section",
- cl::desc("Display contents of faultmap section"));
+cl::list<std::string>
+ FilterSections("section",
+ cl::desc("Operate on the specified sections only. "
+ "With -macho dump segment,section"));
+static cl::alias FilterSectionsj("j", cl::desc("Alias for --section"),
+ cl::NotHidden, cl::Grouping, cl::Prefix,
+ cl::aliasopt(FilterSections));
+
+cl::opt<bool> SectionHeaders("section-headers",
+ cl::desc("Display summaries of the "
+ "headers for each section."));
+static cl::alias SectionHeadersShort("headers",
+ cl::desc("Alias for --section-headers"),
+ cl::NotHidden,
+ cl::aliasopt(SectionHeaders));
+static cl::alias SectionHeadersShorter("h",
+ cl::desc("Alias for --section-headers"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(SectionHeaders));
-cl::opt<DIDumpType> llvm::DwarfDumpType(
- "dwarf", cl::init(DIDT_Null), cl::desc("Dump of dwarf debug sections:"),
- cl::values(clEnumValN(DIDT_DebugFrame, "frames", ".debug_frame")));
+static cl::opt<bool>
+ ShowLMA("show-lma",
+ cl::desc("Display LMA column when dumping ELF section headers"));
-cl::opt<bool> PrintSource(
+static cl::opt<bool> PrintSource(
"source",
cl::desc(
"Display source inlined with disassembly. Implies disassemble object"));
+static cl::alias PrintSourceShort("S", cl::desc("Alias for -source"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(PrintSource));
-cl::alias PrintSourceShort("S", cl::desc("Alias for -source"),
- cl::aliasopt(PrintSource));
-
-cl::opt<bool> PrintLines("line-numbers",
- cl::desc("Display source line numbers with "
- "disassembly. Implies disassemble object"));
-
-cl::alias PrintLinesShort("l", cl::desc("Alias for -line-numbers"),
- cl::aliasopt(PrintLines));
-
-cl::opt<unsigned long long>
+static cl::opt<uint64_t>
StartAddress("start-address", cl::desc("Disassemble beginning at address"),
cl::value_desc("address"), cl::init(0));
-cl::opt<unsigned long long>
- StopAddress("stop-address",
- cl::desc("Do not skip blocks of zeroes when disassembling"),
- cl::value_desc("address"), cl::init(UINT64_MAX));
-
-cl::opt<bool> DisassembleZeroes("disassemble-zeroes",
- cl::desc("Do not skip blocks of zeroes when "
- "disassembling the blocks of zeroes"));
-cl::alias DisassembleZeroesShort("z",
- cl::desc("Alias for --disassemble-zeroes"),
- cl::aliasopt(DisassembleZeroes));
+static cl::opt<uint64_t> StopAddress("stop-address",
+ cl::desc("Stop disassembly at address"),
+ cl::value_desc("address"),
+ cl::init(UINT64_MAX));
-static StringRef ToolName;
+cl::opt<bool> SymbolTable("syms", cl::desc("Display the symbol table"));
+static cl::alias SymbolTableShort("t", cl::desc("Alias for --syms"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(SymbolTable));
-typedef std::vector<std::tuple<uint64_t, StringRef, uint8_t>> SectionSymbolsTy;
+cl::opt<std::string> TripleName("triple",
+ cl::desc("Target triple to disassemble for, "
+ "see -version for available targets"));
-namespace {
-typedef std::function<bool(llvm::object::SectionRef const &)> FilterPredicate;
+cl::opt<bool> UnwindInfo("unwind-info",
+ cl::desc("Display unwind information"));
+static cl::alias UnwindInfoShort("u", cl::desc("Alias for --unwind-info"),
+ cl::NotHidden, cl::Grouping,
+ cl::aliasopt(UnwindInfo));
-class SectionFilterIterator {
-public:
- SectionFilterIterator(FilterPredicate P,
- llvm::object::section_iterator const &I,
- llvm::object::section_iterator const &E)
- : Predicate(std::move(P)), Iterator(I), End(E) {
- ScanPredicate();
- }
- const llvm::object::SectionRef &operator*() const { return *Iterator; }
- SectionFilterIterator &operator++() {
- ++Iterator;
- ScanPredicate();
- return *this;
- }
- bool operator!=(SectionFilterIterator const &Other) const {
- return Iterator != Other.Iterator;
- }
-private:
- void ScanPredicate() {
- while (Iterator != End && !Predicate(*Iterator)) {
- ++Iterator;
- }
- }
- FilterPredicate Predicate;
- llvm::object::section_iterator Iterator;
- llvm::object::section_iterator End;
-};
+static cl::opt<bool>
+ Wide("wide", cl::desc("Ignored for compatibility with GNU objdump"));
+static cl::alias WideShort("w", cl::Grouping, cl::aliasopt(Wide));
-class SectionFilter {
-public:
- SectionFilter(FilterPredicate P, llvm::object::ObjectFile const &O)
- : Predicate(std::move(P)), Object(O) {}
- SectionFilterIterator begin() {
- return SectionFilterIterator(Predicate, Object.section_begin(),
- Object.section_end());
- }
- SectionFilterIterator end() {
- return SectionFilterIterator(Predicate, Object.section_end(),
- Object.section_end());
- }
+static StringSet<> DisasmFuncsSet;
+static StringRef ToolName;
-private:
- FilterPredicate Predicate;
- llvm::object::ObjectFile const &Object;
-};
-SectionFilter ToolSectionFilter(llvm::object::ObjectFile const &O) {
+typedef std::vector<std::tuple<uint64_t, StringRef, uint8_t>> SectionSymbolsTy;
+
+SectionFilter ToolSectionFilter(object::ObjectFile const &O) {
return SectionFilter(
- [](llvm::object::SectionRef const &S) {
+ [](object::SectionRef const &S) {
if (FilterSections.empty())
return true;
- llvm::StringRef String;
+ StringRef String;
std::error_code error = S.getName(String);
if (error)
return false;
},
O);
}
-}
-void llvm::error(std::error_code EC) {
+void error(std::error_code EC) {
if (!EC)
return;
WithColor::error(errs(), ToolName)
exit(1);
}
-LLVM_ATTRIBUTE_NORETURN void llvm::error(Twine Message) {
+void error(Error E) {
+ if (!E)
+ return;
+ WithColor::error(errs(), ToolName) << toString(std::move(E));
+ exit(1);
+}
+
+LLVM_ATTRIBUTE_NORETURN void error(Twine Message) {
WithColor::error(errs(), ToolName) << Message << ".\n";
errs().flush();
exit(1);
}
-void llvm::warn(StringRef Message) {
+void warn(StringRef Message) {
WithColor::warning(errs(), ToolName) << Message << ".\n";
errs().flush();
}
-LLVM_ATTRIBUTE_NORETURN void llvm::report_error(StringRef File,
- Twine Message) {
+LLVM_ATTRIBUTE_NORETURN void report_error(StringRef File, Twine Message) {
WithColor::error(errs(), ToolName)
<< "'" << File << "': " << Message << ".\n";
exit(1);
}
-LLVM_ATTRIBUTE_NORETURN void llvm::report_error(StringRef File,
- std::error_code EC) {
- assert(EC);
- WithColor::error(errs(), ToolName)
- << "'" << File << "': " << EC.message() << ".\n";
- exit(1);
-}
-
-LLVM_ATTRIBUTE_NORETURN void llvm::report_error(StringRef File,
- llvm::Error E) {
+LLVM_ATTRIBUTE_NORETURN void report_error(Error E, StringRef File) {
assert(E);
std::string Buf;
raw_string_ostream OS(Buf);
exit(1);
}
-LLVM_ATTRIBUTE_NORETURN void llvm::report_error(StringRef ArchiveName,
- StringRef FileName,
- llvm::Error E,
- StringRef ArchitectureName) {
+LLVM_ATTRIBUTE_NORETURN void report_error(Error E, StringRef ArchiveName,
+ StringRef FileName,
+ StringRef ArchitectureName) {
assert(E);
WithColor::error(errs(), ToolName);
if (ArchiveName != "")
exit(1);
}
-LLVM_ATTRIBUTE_NORETURN void llvm::report_error(StringRef ArchiveName,
- const object::Archive::Child &C,
- llvm::Error E,
- StringRef ArchitectureName) {
+LLVM_ATTRIBUTE_NORETURN void report_error(Error E, StringRef ArchiveName,
+ const object::Archive::Child &C,
+ StringRef ArchitectureName) {
Expected<StringRef> NameOrErr = C.getName();
// TODO: if we have a error getting the name then it would be nice to print
// the index of which archive member this is and or its offset in the
// archive instead of "???" as the name.
if (!NameOrErr) {
consumeError(NameOrErr.takeError());
- llvm::report_error(ArchiveName, "???", std::move(E), ArchitectureName);
+ report_error(std::move(E), ArchiveName, "???", ArchitectureName);
} else
- llvm::report_error(ArchiveName, NameOrErr.get(), std::move(E),
- ArchitectureName);
+ report_error(std::move(E), ArchiveName, NameOrErr.get(), ArchitectureName);
}
static const Target *getTarget(const ObjectFile *Obj = nullptr) {
// Figure out the target triple.
- llvm::Triple TheTriple("unknown-unknown-unknown");
+ Triple TheTriple("unknown-unknown-unknown");
if (TripleName.empty()) {
- if (Obj) {
+ if (Obj)
TheTriple = Obj->makeTriple();
- }
} else {
TheTriple.setTriple(Triple::normalize(TripleName));
// Use the triple, but also try to combine with ARM build attributes.
if (Obj) {
auto Arch = Obj->getArch();
- if (Arch == Triple::arm || Arch == Triple::armeb) {
+ if (Arch == Triple::arm || Arch == Triple::armeb)
Obj->setARMSubArch(TheTriple);
- }
}
}
return TheTarget;
}
-bool llvm::RelocAddressLess(RelocationRef a, RelocationRef b) {
- return a.getOffset() < b.getOffset();
+bool isRelocAddressLess(RelocationRef A, RelocationRef B) {
+ return A.getOffset() < B.getOffset();
}
-static std::string demangle(StringRef Name) {
- char *Demangled = nullptr;
- if (Name.startswith("_Z"))
- Demangled = itaniumDemangle(Name.data(), Demangled, nullptr, nullptr);
- else if (Name.startswith("?"))
- Demangled = microsoftDemangle(Name.data(), Demangled, nullptr, nullptr);
-
- if (!Demangled)
- return Name;
-
- std::string Ret = Demangled;
- free(Demangled);
- return Ret;
-}
-
-template <class ELFT>
-static std::error_code getRelocationValueString(const ELFObjectFile<ELFT> *Obj,
- const RelocationRef &RelRef,
- SmallVectorImpl<char> &Result) {
- DataRefImpl Rel = RelRef.getRawDataRefImpl();
-
- typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
- typedef typename ELFObjectFile<ELFT>::Elf_Shdr Elf_Shdr;
- typedef typename ELFObjectFile<ELFT>::Elf_Rela Elf_Rela;
-
- const ELFFile<ELFT> &EF = *Obj->getELFFile();
-
- auto SecOrErr = EF.getSection(Rel.d.a);
- if (!SecOrErr)
- return errorToErrorCode(SecOrErr.takeError());
- const Elf_Shdr *Sec = *SecOrErr;
- auto SymTabOrErr = EF.getSection(Sec->sh_link);
- if (!SymTabOrErr)
- return errorToErrorCode(SymTabOrErr.takeError());
- const Elf_Shdr *SymTab = *SymTabOrErr;
- assert(SymTab->sh_type == ELF::SHT_SYMTAB ||
- SymTab->sh_type == ELF::SHT_DYNSYM);
- auto StrTabSec = EF.getSection(SymTab->sh_link);
- if (!StrTabSec)
- return errorToErrorCode(StrTabSec.takeError());
- auto StrTabOrErr = EF.getStringTable(*StrTabSec);
- if (!StrTabOrErr)
- return errorToErrorCode(StrTabOrErr.takeError());
- StringRef StrTab = *StrTabOrErr;
- int64_t addend = 0;
- // If there is no Symbol associated with the relocation, we set the undef
- // boolean value to 'true'. This will prevent us from calling functions that
- // requires the relocation to be associated with a symbol.
- bool undef = false;
- switch (Sec->sh_type) {
- default:
- return object_error::parse_failed;
- case ELF::SHT_REL: {
- // TODO: Read implicit addend from section data.
- break;
- }
- case ELF::SHT_RELA: {
- const Elf_Rela *ERela = Obj->getRela(Rel);
- addend = ERela->r_addend;
- undef = ERela->getSymbol(false) == 0;
- break;
- }
- }
- std::string Target;
- if (!undef) {
- symbol_iterator SI = RelRef.getSymbol();
- const Elf_Sym *symb = Obj->getSymbol(SI->getRawDataRefImpl());
- if (symb->getType() == ELF::STT_SECTION) {
- Expected<section_iterator> SymSI = SI->getSection();
- if (!SymSI)
- return errorToErrorCode(SymSI.takeError());
- const Elf_Shdr *SymSec = Obj->getSection((*SymSI)->getRawDataRefImpl());
- auto SecName = EF.getSectionName(SymSec);
- if (!SecName)
- return errorToErrorCode(SecName.takeError());
- Target = *SecName;
- } else {
- Expected<StringRef> SymName = symb->getName(StrTab);
- if (!SymName)
- return errorToErrorCode(SymName.takeError());
- if (Demangle)
- Target = demangle(*SymName);
- else
- Target = *SymName;
- }
- } else
- Target = "*ABS*";
-
- // Default scheme is to print Target, as well as "+ <addend>" for nonzero
- // addend. Should be acceptable for all normal purposes.
- std::string fmtbuf;
- raw_string_ostream fmt(fmtbuf);
- fmt << Target;
- if (addend != 0)
- fmt << (addend < 0 ? "" : "+") << addend;
- fmt.flush();
- Result.append(fmtbuf.begin(), fmtbuf.end());
- return std::error_code();
-}
-
-static std::error_code getRelocationValueString(const ELFObjectFileBase *Obj,
- const RelocationRef &Rel,
- SmallVectorImpl<char> &Result) {
- if (auto *ELF32LE = dyn_cast<ELF32LEObjectFile>(Obj))
- return getRelocationValueString(ELF32LE, Rel, Result);
- if (auto *ELF64LE = dyn_cast<ELF64LEObjectFile>(Obj))
- return getRelocationValueString(ELF64LE, Rel, Result);
- if (auto *ELF32BE = dyn_cast<ELF32BEObjectFile>(Obj))
- return getRelocationValueString(ELF32BE, Rel, Result);
- auto *ELF64BE = cast<ELF64BEObjectFile>(Obj);
- return getRelocationValueString(ELF64BE, Rel, Result);
-}
-
-static std::error_code getRelocationValueString(const COFFObjectFile *Obj,
- const RelocationRef &Rel,
- SmallVectorImpl<char> &Result) {
- symbol_iterator SymI = Rel.getSymbol();
- Expected<StringRef> SymNameOrErr = SymI->getName();
- if (!SymNameOrErr)
- return errorToErrorCode(SymNameOrErr.takeError());
- StringRef SymName = *SymNameOrErr;
- Result.append(SymName.begin(), SymName.end());
- return std::error_code();
-}
-
-static void printRelocationTargetName(const MachOObjectFile *O,
- const MachO::any_relocation_info &RE,
- raw_string_ostream &fmt) {
- bool IsScattered = O->isRelocationScattered(RE);
-
- // Target of a scattered relocation is an address. In the interest of
- // generating pretty output, scan through the symbol table looking for a
- // symbol that aligns with that address. If we find one, print it.
- // Otherwise, we just print the hex address of the target.
- if (IsScattered) {
- uint32_t Val = O->getPlainRelocationSymbolNum(RE);
-
- for (const SymbolRef &Symbol : O->symbols()) {
- std::error_code ec;
- Expected<uint64_t> Addr = Symbol.getAddress();
- if (!Addr)
- report_error(O->getFileName(), Addr.takeError());
- if (*Addr != Val)
- continue;
- Expected<StringRef> Name = Symbol.getName();
- if (!Name)
- report_error(O->getFileName(), Name.takeError());
- fmt << *Name;
- return;
- }
-
- // If we couldn't find a symbol that this relocation refers to, try
- // to find a section beginning instead.
- for (const SectionRef &Section : ToolSectionFilter(*O)) {
- std::error_code ec;
-
- StringRef Name;
- uint64_t Addr = Section.getAddress();
- if (Addr != Val)
- continue;
- if ((ec = Section.getName(Name)))
- report_error(O->getFileName(), ec);
- fmt << Name;
- return;
- }
-
- fmt << format("0x%x", Val);
- return;
- }
-
- StringRef S;
- bool isExtern = O->getPlainRelocationExternal(RE);
- uint64_t Val = O->getPlainRelocationSymbolNum(RE);
-
- if (O->getAnyRelocationType(RE) == MachO::ARM64_RELOC_ADDEND) {
- fmt << format("0x%0" PRIx64, Val);
- return;
- } else if (isExtern) {
- symbol_iterator SI = O->symbol_begin();
- advance(SI, Val);
- Expected<StringRef> SOrErr = SI->getName();
- if (!SOrErr)
- report_error(O->getFileName(), SOrErr.takeError());
- S = *SOrErr;
- } else {
- section_iterator SI = O->section_begin();
- // Adjust for the fact that sections are 1-indexed.
- if (Val == 0) {
- fmt << "0 (?,?)";
- return;
- }
- uint32_t i = Val - 1;
- while (i != 0 && SI != O->section_end()) {
- i--;
- advance(SI, 1);
- }
- if (SI == O->section_end())
- fmt << Val << " (?,?)";
- else
- SI->getName(S);
- }
-
- fmt << S;
-}
-
-static std::error_code getRelocationValueString(const WasmObjectFile *Obj,
- const RelocationRef &RelRef,
- SmallVectorImpl<char> &Result) {
- const wasm::WasmRelocation& Rel = Obj->getWasmRelocation(RelRef);
- symbol_iterator SI = RelRef.getSymbol();
- std::string fmtbuf;
- raw_string_ostream fmt(fmtbuf);
- if (SI == Obj->symbol_end()) {
- // Not all wasm relocations have symbols associated with them.
- // In particular R_WEBASSEMBLY_TYPE_INDEX_LEB.
- fmt << Rel.Index;
- } else {
- Expected<StringRef> SymNameOrErr = SI->getName();
- if (!SymNameOrErr)
- return errorToErrorCode(SymNameOrErr.takeError());
- StringRef SymName = *SymNameOrErr;
- Result.append(SymName.begin(), SymName.end());
- }
- fmt << (Rel.Addend < 0 ? "" : "+") << Rel.Addend;
- fmt.flush();
- Result.append(fmtbuf.begin(), fmtbuf.end());
- return std::error_code();
-}
-
-static std::error_code getRelocationValueString(const MachOObjectFile *Obj,
- const RelocationRef &RelRef,
- SmallVectorImpl<char> &Result) {
- DataRefImpl Rel = RelRef.getRawDataRefImpl();
- MachO::any_relocation_info RE = Obj->getRelocation(Rel);
-
- unsigned Arch = Obj->getArch();
-
- std::string fmtbuf;
- raw_string_ostream fmt(fmtbuf);
- unsigned Type = Obj->getAnyRelocationType(RE);
- bool IsPCRel = Obj->getAnyRelocationPCRel(RE);
-
- // Determine any addends that should be displayed with the relocation.
- // These require decoding the relocation type, which is triple-specific.
-
- // X86_64 has entirely custom relocation types.
- if (Arch == Triple::x86_64) {
- bool isPCRel = Obj->getAnyRelocationPCRel(RE);
-
- switch (Type) {
- case MachO::X86_64_RELOC_GOT_LOAD:
- case MachO::X86_64_RELOC_GOT: {
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "@GOT";
- if (isPCRel)
- fmt << "PCREL";
- break;
- }
- case MachO::X86_64_RELOC_SUBTRACTOR: {
- DataRefImpl RelNext = Rel;
- Obj->moveRelocationNext(RelNext);
- MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);
-
- // X86_64_RELOC_SUBTRACTOR must be followed by a relocation of type
- // X86_64_RELOC_UNSIGNED.
- // NOTE: Scattered relocations don't exist on x86_64.
- unsigned RType = Obj->getAnyRelocationType(RENext);
- if (RType != MachO::X86_64_RELOC_UNSIGNED)
- report_error(Obj->getFileName(), "Expected X86_64_RELOC_UNSIGNED after "
- "X86_64_RELOC_SUBTRACTOR.");
-
- // The X86_64_RELOC_UNSIGNED contains the minuend symbol;
- // X86_64_RELOC_SUBTRACTOR contains the subtrahend.
- printRelocationTargetName(Obj, RENext, fmt);
- fmt << "-";
- printRelocationTargetName(Obj, RE, fmt);
- break;
- }
- case MachO::X86_64_RELOC_TLV:
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "@TLV";
- if (isPCRel)
- fmt << "P";
- break;
- case MachO::X86_64_RELOC_SIGNED_1:
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "-1";
- break;
- case MachO::X86_64_RELOC_SIGNED_2:
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "-2";
- break;
- case MachO::X86_64_RELOC_SIGNED_4:
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "-4";
- break;
- default:
- printRelocationTargetName(Obj, RE, fmt);
- break;
- }
- // X86 and ARM share some relocation types in common.
- } else if (Arch == Triple::x86 || Arch == Triple::arm ||
- Arch == Triple::ppc) {
- // Generic relocation types...
- switch (Type) {
- case MachO::GENERIC_RELOC_PAIR: // prints no info
- return std::error_code();
- case MachO::GENERIC_RELOC_SECTDIFF: {
- DataRefImpl RelNext = Rel;
- Obj->moveRelocationNext(RelNext);
- MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);
-
- // X86 sect diff's must be followed by a relocation of type
- // GENERIC_RELOC_PAIR.
- unsigned RType = Obj->getAnyRelocationType(RENext);
-
- if (RType != MachO::GENERIC_RELOC_PAIR)
- report_error(Obj->getFileName(), "Expected GENERIC_RELOC_PAIR after "
- "GENERIC_RELOC_SECTDIFF.");
-
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "-";
- printRelocationTargetName(Obj, RENext, fmt);
- break;
- }
- }
-
- if (Arch == Triple::x86 || Arch == Triple::ppc) {
- switch (Type) {
- case MachO::GENERIC_RELOC_LOCAL_SECTDIFF: {
- DataRefImpl RelNext = Rel;
- Obj->moveRelocationNext(RelNext);
- MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);
-
- // X86 sect diff's must be followed by a relocation of type
- // GENERIC_RELOC_PAIR.
- unsigned RType = Obj->getAnyRelocationType(RENext);
- if (RType != MachO::GENERIC_RELOC_PAIR)
- report_error(Obj->getFileName(), "Expected GENERIC_RELOC_PAIR after "
- "GENERIC_RELOC_LOCAL_SECTDIFF.");
-
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "-";
- printRelocationTargetName(Obj, RENext, fmt);
- break;
- }
- case MachO::GENERIC_RELOC_TLV: {
- printRelocationTargetName(Obj, RE, fmt);
- fmt << "@TLV";
- if (IsPCRel)
- fmt << "P";
- break;
- }
- default:
- printRelocationTargetName(Obj, RE, fmt);
- }
- } else { // ARM-specific relocations
- switch (Type) {
- case MachO::ARM_RELOC_HALF:
- case MachO::ARM_RELOC_HALF_SECTDIFF: {
- // Half relocations steal a bit from the length field to encode
- // whether this is an upper16 or a lower16 relocation.
- bool isUpper = (Obj->getAnyRelocationLength(RE) & 0x1) == 1;
-
- if (isUpper)
- fmt << ":upper16:(";
- else
- fmt << ":lower16:(";
- printRelocationTargetName(Obj, RE, fmt);
-
- DataRefImpl RelNext = Rel;
- Obj->moveRelocationNext(RelNext);
- MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);
-
- // ARM half relocs must be followed by a relocation of type
- // ARM_RELOC_PAIR.
- unsigned RType = Obj->getAnyRelocationType(RENext);
- if (RType != MachO::ARM_RELOC_PAIR)
- report_error(Obj->getFileName(), "Expected ARM_RELOC_PAIR after "
- "ARM_RELOC_HALF");
-
- // NOTE: The half of the target virtual address is stashed in the
- // address field of the secondary relocation, but we can't reverse
- // engineer the constant offset from it without decoding the movw/movt
- // instruction to find the other half in its immediate field.
-
- // ARM_RELOC_HALF_SECTDIFF encodes the second section in the
- // symbol/section pointer of the follow-on relocation.
- if (Type == MachO::ARM_RELOC_HALF_SECTDIFF) {
- fmt << "-";
- printRelocationTargetName(Obj, RENext, fmt);
- }
-
- fmt << ")";
- break;
- }
- default: { printRelocationTargetName(Obj, RE, fmt); }
- }
- }
- } else
- printRelocationTargetName(Obj, RE, fmt);
-
- fmt.flush();
- Result.append(fmtbuf.begin(), fmtbuf.end());
- return std::error_code();
-}
-
-static std::error_code getRelocationValueString(const RelocationRef &Rel,
- SmallVectorImpl<char> &Result) {
+static Error getRelocationValueString(const RelocationRef &Rel,
+ SmallVectorImpl<char> &Result) {
const ObjectFile *Obj = Rel.getObject();
if (auto *ELF = dyn_cast<ELFObjectFileBase>(Obj))
- return getRelocationValueString(ELF, Rel, Result);
+ return getELFRelocationValueString(ELF, Rel, Result);
if (auto *COFF = dyn_cast<COFFObjectFile>(Obj))
- return getRelocationValueString(COFF, Rel, Result);
+ return getCOFFRelocationValueString(COFF, Rel, Result);
if (auto *Wasm = dyn_cast<WasmObjectFile>(Obj))
- return getRelocationValueString(Wasm, Rel, Result);
+ return getWasmRelocationValueString(Wasm, Rel, Result);
if (auto *MachO = dyn_cast<MachOObjectFile>(Obj))
- return getRelocationValueString(MachO, Rel, Result);
+ return getMachORelocationValueString(MachO, Rel, Result);
llvm_unreachable("unknown object file format");
}
/// relocations, usually because it is the trailing part of a multipart
/// relocation that will be printed as part of the leading relocation.
static bool getHidden(RelocationRef RelRef) {
- const ObjectFile *Obj = RelRef.getObject();
- auto *MachO = dyn_cast<MachOObjectFile>(Obj);
+ auto *MachO = dyn_cast<MachOObjectFile>(RelRef.getObject());
if (!MachO)
return false;
// On arches that use the generic relocations, GENERIC_RELOC_PAIR
// is always hidden.
- if (Arch == Triple::x86 || Arch == Triple::arm || Arch == Triple::ppc) {
- if (Type == MachO::GENERIC_RELOC_PAIR)
- return true;
- } else if (Arch == Triple::x86_64) {
+ if (Arch == Triple::x86 || Arch == Triple::arm || Arch == Triple::ppc)
+ return Type == MachO::GENERIC_RELOC_PAIR;
+
+ if (Arch == Triple::x86_64) {
// On x86_64, X86_64_RELOC_UNSIGNED is hidden only when it follows
// an X86_64_RELOC_SUBTRACTOR.
if (Type == MachO::X86_64_RELOC_UNSIGNED && Rel.d.a > 0) {
Symbolizer.reset(new symbolize::LLVMSymbolizer(SymbolizerOpts));
}
virtual ~SourcePrinter() = default;
- virtual void printSourceLine(raw_ostream &OS, uint64_t Address,
+ virtual void printSourceLine(raw_ostream &OS,
+ object::SectionedAddress Address,
StringRef Delimiter = "; ");
};
Buffer = std::move(*BufferOrError);
}
// Chomp the file to get lines
- size_t BufferSize = Buffer->getBufferSize();
- const char *BufferStart = Buffer->getBufferStart();
- for (const char *Start = BufferStart, *End = BufferStart;
- End < BufferStart + BufferSize; End++)
- if (*End == '\n' || End == BufferStart + BufferSize - 1 ||
- (*End == '\r' && *(End + 1) == '\n')) {
- LineCache[LineInfo.FileName].push_back(StringRef(Start, End - Start));
- if (*End == '\r')
- End++;
- Start = End + 1;
+ const char *BufferStart = Buffer->getBufferStart(),
+ *BufferEnd = Buffer->getBufferEnd();
+ std::vector<StringRef> &Lines = LineCache[LineInfo.FileName];
+ const char *Start = BufferStart;
+ for (const char *I = BufferStart; I != BufferEnd; ++I)
+ if (*I == '\n') {
+ Lines.emplace_back(Start, I - Start - (BufferStart < I && I[-1] == '\r'));
+ Start = I + 1;
}
+ if (Start < BufferEnd)
+ Lines.emplace_back(Start, BufferEnd - Start);
SourceCache[LineInfo.FileName] = std::move(Buffer);
return true;
}
-void SourcePrinter::printSourceLine(raw_ostream &OS, uint64_t Address,
+void SourcePrinter::printSourceLine(raw_ostream &OS,
+ object::SectionedAddress Address,
StringRef Delimiter) {
if (!Symbolizer)
return;
DILineInfo LineInfo = DILineInfo();
- auto ExpectecLineInfo =
+ auto ExpectedLineInfo =
Symbolizer->symbolizeCode(Obj->getFileName(), Address);
- if (!ExpectecLineInfo)
- consumeError(ExpectecLineInfo.takeError());
+ if (!ExpectedLineInfo)
+ consumeError(ExpectedLineInfo.takeError());
else
- LineInfo = *ExpectecLineInfo;
+ LineInfo = *ExpectedLineInfo;
if ((LineInfo.FileName == "<invalid>") || OldLineInfo.Line == LineInfo.Line ||
LineInfo.Line == 0)
if (SourceCache.find(LineInfo.FileName) == SourceCache.end())
if (!cacheSource(LineInfo))
return;
- auto FileBuffer = SourceCache.find(LineInfo.FileName);
- if (FileBuffer != SourceCache.end()) {
- auto LineBuffer = LineCache.find(LineInfo.FileName);
- if (LineBuffer != LineCache.end()) {
- if (LineInfo.Line > LineBuffer->second.size())
- return;
- // Vector begins at 0, line numbers are non-zero
- OS << Delimiter << LineBuffer->second[LineInfo.Line - 1].ltrim()
- << "\n";
- }
+ auto LineBuffer = LineCache.find(LineInfo.FileName);
+ if (LineBuffer != LineCache.end()) {
+ if (LineInfo.Line > LineBuffer->second.size())
+ return;
+ // Vector begins at 0, line numbers are non-zero
+ OS << Delimiter << LineBuffer->second[LineInfo.Line - 1] << '\n';
}
}
OldLineInfo = LineInfo;
Obj->getArch() == Triple::thumbeb));
}
+static void printRelocation(const RelocationRef &Rel, uint64_t Address,
+ uint8_t AddrSize) {
+ StringRef Fmt =
+ AddrSize > 4 ? "\t\t%016" PRIx64 ": " : "\t\t\t%08" PRIx64 ": ";
+ SmallString<16> Name;
+ SmallString<32> Val;
+ Rel.getTypeName(Name);
+ error(getRelocationValueString(Rel, Val));
+ outs() << format(Fmt.data(), Address) << Name << "\t" << Val << "\n";
+}
+
class PrettyPrinter {
public:
virtual ~PrettyPrinter() = default;
virtual void printInst(MCInstPrinter &IP, const MCInst *MI,
- ArrayRef<uint8_t> Bytes, uint64_t Address,
- raw_ostream &OS, StringRef Annot,
- MCSubtargetInfo const &STI, SourcePrinter *SP,
+ ArrayRef<uint8_t> Bytes,
+ object::SectionedAddress Address, raw_ostream &OS,
+ StringRef Annot, MCSubtargetInfo const &STI,
+ SourcePrinter *SP,
std::vector<RelocationRef> *Rels = nullptr) {
if (SP && (PrintSource || PrintLines))
SP->printSourceLine(OS, Address);
- if (!NoLeadingAddr)
- OS << format("%8" PRIx64 ":", Address);
- if (!NoShowRawInsn) {
- OS << "\t";
- dumpBytes(Bytes, OS);
+
+ {
+ formatted_raw_ostream FOS(OS);
+ if (!NoLeadingAddr)
+ FOS << format("%8" PRIx64 ":", Address.Address);
+ if (!NoShowRawInsn) {
+ FOS << ' ';
+ dumpBytes(Bytes, FOS);
+ }
+ FOS.flush();
+ // The output of printInst starts with a tab. Print some spaces so that
+ // the tab has 1 column and advances to the target tab stop.
+ unsigned TabStop = NoShowRawInsn ? 16 : 40;
+ unsigned Column = FOS.getColumn();
+ FOS.indent(Column < TabStop - 1 ? TabStop - 1 - Column : 7 - Column % 8);
+
+ // The dtor calls flush() to ensure the indent comes before printInst().
}
+
if (MI)
IP.printInst(MI, OS, "", STI);
else
- OS << " <unknown>";
+ OS << "\t<unknown>";
}
};
PrettyPrinter PrettyPrinterInst;
if (!NoShowRawInsn) {
OS << "\t";
dumpBytes(Bytes.slice(0, 4), OS);
- OS << format("%08" PRIx32, opcode);
+ OS << format("\t%08" PRIx32, opcode);
}
}
void printInst(MCInstPrinter &IP, const MCInst *MI, ArrayRef<uint8_t> Bytes,
- uint64_t Address, raw_ostream &OS, StringRef Annot,
- MCSubtargetInfo const &STI, SourcePrinter *SP,
+ object::SectionedAddress Address, raw_ostream &OS,
+ StringRef Annot, MCSubtargetInfo const &STI, SourcePrinter *SP,
std::vector<RelocationRef> *Rels) override {
if (SP && (PrintSource || PrintLines))
SP->printSourceLine(OS, Address, "");
if (!MI) {
- printLead(Bytes, Address, OS);
+ printLead(Bytes, Address.Address, OS);
OS << " <unknown>";
return;
}
auto HeadTail = PacketBundle.first.split('\n');
auto Preamble = " { ";
auto Separator = "";
- StringRef Fmt = "\t\t\t%08" PRIx64 ": ";
- std::vector<RelocationRef>::const_iterator rel_cur = Rels->begin();
- std::vector<RelocationRef>::const_iterator rel_end = Rels->end();
// Hexagon's packets require relocations to be inline rather than
// clustered at the end of the packet.
+ std::vector<RelocationRef>::const_iterator RelCur = Rels->begin();
+ std::vector<RelocationRef>::const_iterator RelEnd = Rels->end();
auto PrintReloc = [&]() -> void {
- while ((rel_cur != rel_end) && (rel_cur->getOffset() <= Address)) {
- if (rel_cur->getOffset() == Address) {
- SmallString<16> name;
- SmallString<32> val;
- rel_cur->getTypeName(name);
- error(getRelocationValueString(*rel_cur, val));
- OS << Separator << format(Fmt.data(), Address) << name << "\t" << val
- << "\n";
+ while ((RelCur != RelEnd) && (RelCur->getOffset() <= Address.Address)) {
+ if (RelCur->getOffset() == Address.Address) {
+ printRelocation(*RelCur, Address.Address, 4);
return;
}
- rel_cur++;
+ ++RelCur;
}
};
- while(!HeadTail.first.empty()) {
+ while (!HeadTail.first.empty()) {
OS << Separator;
Separator = "\n";
if (SP && (PrintSource || PrintLines))
SP->printSourceLine(OS, Address, "");
- printLead(Bytes, Address, OS);
+ printLead(Bytes, Address.Address, OS);
OS << Preamble;
Preamble = " ";
StringRef Inst;
auto Duplex = HeadTail.first.split('\v');
- if(!Duplex.second.empty()){
+ if (!Duplex.second.empty()) {
OS << Duplex.first;
OS << "; ";
Inst = Duplex.second;
OS << " } " << PacketBundle.second;
PrintReloc();
Bytes = Bytes.slice(4);
- Address += 4;
+ Address.Address += 4;
}
}
};
class AMDGCNPrettyPrinter : public PrettyPrinter {
public:
void printInst(MCInstPrinter &IP, const MCInst *MI, ArrayRef<uint8_t> Bytes,
- uint64_t Address, raw_ostream &OS, StringRef Annot,
- MCSubtargetInfo const &STI, SourcePrinter *SP,
+ object::SectionedAddress Address, raw_ostream &OS,
+ StringRef Annot, MCSubtargetInfo const &STI, SourcePrinter *SP,
std::vector<RelocationRef> *Rels) override {
if (SP && (PrintSource || PrintLines))
SP->printSourceLine(OS, Address);
}
}
- OS << format("// %012" PRIX64 ": ", Address);
+ OS << format("// %012" PRIX64 ": ", Address.Address);
if (Bytes.size() >=4) {
for (auto D : makeArrayRef(reinterpret_cast<const U32*>(Bytes.data()),
Bytes.size() / sizeof(U32)))
class BPFPrettyPrinter : public PrettyPrinter {
public:
void printInst(MCInstPrinter &IP, const MCInst *MI, ArrayRef<uint8_t> Bytes,
- uint64_t Address, raw_ostream &OS, StringRef Annot,
- MCSubtargetInfo const &STI, SourcePrinter *SP,
+ object::SectionedAddress Address, raw_ostream &OS,
+ StringRef Annot, MCSubtargetInfo const &STI, SourcePrinter *SP,
std::vector<RelocationRef> *Rels) override {
if (SP && (PrintSource || PrintLines))
SP->printSourceLine(OS, Address);
if (!NoLeadingAddr)
- OS << format("%8" PRId64 ":", Address / 8);
+ OS << format("%8" PRId64 ":", Address.Address / 8);
if (!NoShowRawInsn) {
OS << "\t";
dumpBytes(Bytes, OS);
if (MI)
IP.printInst(MI, OS, "", STI);
else
- OS << " <unknown>";
+ OS << "\t<unknown>";
}
};
BPFPrettyPrinter BPFPrettyPrinterInst;
if (SymbolType != ELF::STT_FUNC || Symbol.getSize() == 0)
continue;
- Expected<uint64_t> AddressOrErr = Symbol.getAddress();
- if (!AddressOrErr)
- report_error(Obj->getFileName(), AddressOrErr.takeError());
- uint64_t Address = *AddressOrErr;
-
- Expected<StringRef> Name = Symbol.getName();
- if (!Name)
- report_error(Obj->getFileName(), Name.takeError());
- if (Name->empty())
+ uint64_t Address = unwrapOrError(Symbol.getAddress(), Obj->getFileName());
+ StringRef Name = unwrapOrError(Symbol.getName(), Obj->getFileName());
+ if (Name.empty())
continue;
- Expected<section_iterator> SectionOrErr = Symbol.getSection();
- if (!SectionOrErr)
- report_error(Obj->getFileName(), SectionOrErr.takeError());
- section_iterator SecI = *SectionOrErr;
+ section_iterator SecI =
+ unwrapOrError(Symbol.getSection(), Obj->getFileName());
if (SecI == Obj->section_end())
continue;
- AllSymbols[*SecI].emplace_back(Address, *Name, SymbolType);
+ AllSymbols[*SecI].emplace_back(Address, Name, SymbolType);
}
}
if (auto *ElfObj = dyn_cast<ELFObjectFileBase>(Obj)) {
for (auto PltEntry : ElfObj->getPltAddresses()) {
SymbolRef Symbol(PltEntry.first, ElfObj);
-
uint8_t SymbolType = getElfSymbolType(Obj, Symbol);
- Expected<StringRef> NameOrErr = Symbol.getName();
- if (!NameOrErr)
- report_error(Obj->getFileName(), NameOrErr.takeError());
- if (NameOrErr->empty())
- continue;
- StringRef Name = Saver.save((*NameOrErr + "@plt").str());
-
- AllSymbols[*Plt].emplace_back(PltEntry.second, Name, SymbolType);
+ StringRef Name = unwrapOrError(Symbol.getName(), Obj->getFileName());
+ if (!Name.empty())
+ AllSymbols[*Plt].emplace_back(
+ PltEntry.second, Saver.save((Name + "@plt").str()), SymbolType);
}
}
}
// returns the number of zero bytes that can be skipped when dumping the
// disassembly of the instructions in Buf.
static size_t countSkippableZeroBytes(ArrayRef<uint8_t> Buf) {
- // When -z or --disassemble-zeroes are given we always dissasemble them.
- if (DisassembleZeroes)
- return 0;
-
// Find the number of leading zeroes.
size_t N = 0;
while (N < Buf.size() && !Buf[N])
return N & ~0x3;
}
-static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
- if (StartAddress > StopAddress)
- error("Start address should be less than stop address");
-
- const Target *TheTarget = getTarget(Obj);
-
- // Package up features to be passed to target/subtarget
- SubtargetFeatures Features = Obj->getFeatures();
- if (!MAttrs.empty()) {
- for (unsigned i = 0; i != MAttrs.size(); ++i)
- Features.AddFeature(MAttrs[i]);
+// Returns a map from sections to their relocations.
+static std::map<SectionRef, std::vector<RelocationRef>>
+getRelocsMap(object::ObjectFile const &Obj) {
+ std::map<SectionRef, std::vector<RelocationRef>> Ret;
+ for (const SectionRef &Section : ToolSectionFilter(Obj)) {
+ section_iterator RelSec = Section.getRelocatedSection();
+ if (RelSec == Obj.section_end())
+ continue;
+ std::vector<RelocationRef> &V = Ret[*RelSec];
+ for (const RelocationRef &R : Section.relocations())
+ V.push_back(R);
+ // Sort relocations by address.
+ llvm::sort(V, isRelocAddressLess);
}
+ return Ret;
+}
- std::unique_ptr<const MCRegisterInfo> MRI(
- TheTarget->createMCRegInfo(TripleName));
- if (!MRI)
- report_error(Obj->getFileName(), "no register info for target " +
- TripleName);
-
- // Set up disassembler.
- std::unique_ptr<const MCAsmInfo> AsmInfo(
- TheTarget->createMCAsmInfo(*MRI, TripleName));
- if (!AsmInfo)
- report_error(Obj->getFileName(), "no assembly info for target " +
- TripleName);
- std::unique_ptr<const MCSubtargetInfo> STI(
- TheTarget->createMCSubtargetInfo(TripleName, MCPU, Features.getString()));
- if (!STI)
- report_error(Obj->getFileName(), "no subtarget info for target " +
- TripleName);
- std::unique_ptr<const MCInstrInfo> MII(TheTarget->createMCInstrInfo());
- if (!MII)
- report_error(Obj->getFileName(), "no instruction info for target " +
- TripleName);
- MCObjectFileInfo MOFI;
- MCContext Ctx(AsmInfo.get(), MRI.get(), &MOFI);
- // FIXME: for now initialize MCObjectFileInfo with default values
- MOFI.InitMCObjectFileInfo(Triple(TripleName), false, Ctx);
-
- std::unique_ptr<MCDisassembler> DisAsm(
- TheTarget->createMCDisassembler(*STI, Ctx));
- if (!DisAsm)
- report_error(Obj->getFileName(), "no disassembler for target " +
- TripleName);
-
- std::unique_ptr<const MCInstrAnalysis> MIA(
- TheTarget->createMCInstrAnalysis(MII.get()));
-
- int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
- std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
- Triple(TripleName), AsmPrinterVariant, *AsmInfo, *MII, *MRI));
- if (!IP)
- report_error(Obj->getFileName(), "no instruction printer for target " +
- TripleName);
- IP->setPrintImmHex(PrintImmHex);
- PrettyPrinter &PIP = selectPrettyPrinter(Triple(TripleName));
-
- StringRef Fmt = Obj->getBytesInAddress() > 4 ? "\t\t%016" PRIx64 ": " :
- "\t\t\t%08" PRIx64 ": ";
+// Used for --adjust-vma to check if address should be adjusted by the
+// specified value for a given section.
+// For ELF we do not adjust non-allocatable sections like debug ones,
+// because they are not loadable.
+// TODO: implement for other file formats.
+static bool shouldAdjustVA(const SectionRef &Section) {
+ const ObjectFile *Obj = Section.getObject();
+ if (isa<object::ELFObjectFileBase>(Obj))
+ return ELFSectionRef(Section).getFlags() & ELF::SHF_ALLOC;
+ return false;
+}
- SourcePrinter SP(Obj, TheTarget->getName());
+static uint64_t
+dumpARMELFData(uint64_t SectionAddr, uint64_t Index, uint64_t End,
+ const ObjectFile *Obj, ArrayRef<uint8_t> Bytes,
+ const std::vector<uint64_t> &TextMappingSymsAddr) {
+ support::endianness Endian =
+ Obj->isLittleEndian() ? support::little : support::big;
+ while (Index < End) {
+ outs() << format("%8" PRIx64 ":", SectionAddr + Index);
+ outs() << "\t";
+ if (Index + 4 <= End) {
+ dumpBytes(Bytes.slice(Index, 4), outs());
+ outs() << "\t.word\t"
+ << format_hex(
+ support::endian::read32(Bytes.data() + Index, Endian), 10);
+ Index += 4;
+ } else if (Index + 2 <= End) {
+ dumpBytes(Bytes.slice(Index, 2), outs());
+ outs() << "\t\t.short\t"
+ << format_hex(
+ support::endian::read16(Bytes.data() + Index, Endian), 6);
+ Index += 2;
+ } else {
+ dumpBytes(Bytes.slice(Index, 1), outs());
+ outs() << "\t\t.byte\t" << format_hex(Bytes[0], 4);
+ ++Index;
+ }
+ outs() << "\n";
+ if (std::binary_search(TextMappingSymsAddr.begin(),
+ TextMappingSymsAddr.end(), Index))
+ break;
+ }
+ return Index;
+}
- // Create a mapping, RelocSecs = SectionRelocMap[S], where sections
- // in RelocSecs contain the relocations for section S.
- std::error_code EC;
- std::map<SectionRef, SmallVector<SectionRef, 1>> SectionRelocMap;
- for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
- section_iterator Sec2 = Section.getRelocatedSection();
- if (Sec2 != Obj->section_end())
- SectionRelocMap[*Sec2].push_back(Section);
+static void dumpELFData(uint64_t SectionAddr, uint64_t Index, uint64_t End,
+ ArrayRef<uint8_t> Bytes) {
+ // print out data up to 8 bytes at a time in hex and ascii
+ uint8_t AsciiData[9] = {'\0'};
+ uint8_t Byte;
+ int NumBytes = 0;
+
+ for (; Index < End; ++Index) {
+ if (NumBytes == 0) {
+ outs() << format("%8" PRIx64 ":", SectionAddr + Index);
+ outs() << "\t";
+ }
+ Byte = Bytes.slice(Index)[0];
+ outs() << format(" %02x", Byte);
+ AsciiData[NumBytes] = isPrint(Byte) ? Byte : '.';
+
+ uint8_t IndentOffset = 0;
+ NumBytes++;
+ if (Index == End - 1 || NumBytes > 8) {
+ // Indent the space for less than 8 bytes data.
+ // 2 spaces for byte and one for space between bytes
+ IndentOffset = 3 * (8 - NumBytes);
+ for (int Excess = NumBytes; Excess < 8; Excess++)
+ AsciiData[Excess] = '\0';
+ NumBytes = 8;
+ }
+ if (NumBytes == 8) {
+ AsciiData[8] = '\0';
+ outs() << std::string(IndentOffset, ' ') << " ";
+ outs() << reinterpret_cast<char *>(AsciiData);
+ outs() << '\n';
+ NumBytes = 0;
+ }
}
+}
+
+static void disassembleObject(const Target *TheTarget, const ObjectFile *Obj,
+ MCContext &Ctx, MCDisassembler *DisAsm,
+ const MCInstrAnalysis *MIA, MCInstPrinter *IP,
+ const MCSubtargetInfo *STI, PrettyPrinter &PIP,
+ SourcePrinter &SP, bool InlineRelocs) {
+ std::map<SectionRef, std::vector<RelocationRef>> RelocMap;
+ if (InlineRelocs)
+ RelocMap = getRelocsMap(*Obj);
// Create a mapping from virtual address to symbol name. This is used to
// pretty print the symbols while disassembling.
std::map<SectionRef, SectionSymbolsTy> AllSymbols;
SectionSymbolsTy AbsoluteSymbols;
+ const StringRef FileName = Obj->getFileName();
for (const SymbolRef &Symbol : Obj->symbols()) {
- Expected<uint64_t> AddressOrErr = Symbol.getAddress();
- if (!AddressOrErr)
- report_error(Obj->getFileName(), AddressOrErr.takeError());
- uint64_t Address = *AddressOrErr;
-
- Expected<StringRef> Name = Symbol.getName();
- if (!Name)
- report_error(Obj->getFileName(), Name.takeError());
- if (Name->empty())
- continue;
+ uint64_t Address = unwrapOrError(Symbol.getAddress(), FileName);
- Expected<section_iterator> SectionOrErr = Symbol.getSection();
- if (!SectionOrErr)
- report_error(Obj->getFileName(), SectionOrErr.takeError());
+ StringRef Name = unwrapOrError(Symbol.getName(), FileName);
+ if (Name.empty())
+ continue;
uint8_t SymbolType = ELF::STT_NOTYPE;
- if (Obj->isELF())
+ if (Obj->isELF()) {
SymbolType = getElfSymbolType(Obj, Symbol);
+ if (SymbolType == ELF::STT_SECTION)
+ continue;
+ }
- section_iterator SecI = *SectionOrErr;
+ section_iterator SecI = unwrapOrError(Symbol.getSection(), FileName);
if (SecI != Obj->section_end())
- AllSymbols[*SecI].emplace_back(Address, *Name, SymbolType);
+ AllSymbols[*SecI].emplace_back(Address, Name, SymbolType);
else
- AbsoluteSymbols.emplace_back(Address, *Name, SymbolType);
-
-
+ AbsoluteSymbols.emplace_back(Address, Name, SymbolType);
}
if (AllSymbols.empty() && Obj->isELF())
addDynamicElfSymbols(Obj, AllSymbols);
error(ExportEntry.getExportRVA(RVA));
uint64_t VA = COFFObj->getImageBase() + RVA;
- auto Sec = std::upper_bound(
- SectionAddresses.begin(), SectionAddresses.end(), VA,
- [](uint64_t LHS, const std::pair<uint64_t, SectionRef> &RHS) {
- return LHS < RHS.first;
+ auto Sec = llvm::bsearch(
+ SectionAddresses, [VA](const std::pair<uint64_t, SectionRef> &RHS) {
+ return VA < RHS.first;
});
- if (Sec != SectionAddresses.begin())
+ if (Sec != SectionAddresses.begin()) {
--Sec;
- else
- Sec = SectionAddresses.end();
-
- if (Sec != SectionAddresses.end())
AllSymbols[Sec->second].emplace_back(VA, Name, ELF::STT_NOTYPE);
- else
+ } else
AbsoluteSymbols.emplace_back(VA, Name, ELF::STT_NOTYPE);
}
}
}
}
- // Make a list of all the relocations for this section.
- std::vector<RelocationRef> Rels;
- if (InlineRelocs) {
- for (const SectionRef &RelocSec : SectionRelocMap[Section]) {
- for (const RelocationRef &Reloc : RelocSec.relocations()) {
- Rels.push_back(Reloc);
- }
- }
- }
-
- // Sort relocations by address.
- llvm::sort(Rels, RelocAddressLess);
-
StringRef SegmentName = "";
if (const MachOObjectFile *MachO = dyn_cast<const MachOObjectFile>(Obj)) {
DataRefImpl DR = Section.getRawDataRefImpl();
StringRef BytesStr;
error(Section.getContents(BytesStr));
- ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(BytesStr.data()),
- BytesStr.size());
+ ArrayRef<uint8_t> Bytes = arrayRefFromStringRef(BytesStr);
+
+ uint64_t VMAAdjustment = 0;
+ if (shouldAdjustVA(Section))
+ VMAAdjustment = AdjustVMA;
uint64_t Size;
uint64_t Index;
bool PrintedSection = false;
-
- std::vector<RelocationRef>::const_iterator rel_cur = Rels.begin();
- std::vector<RelocationRef>::const_iterator rel_end = Rels.end();
+ std::vector<RelocationRef> Rels = RelocMap[Section];
+ std::vector<RelocationRef>::const_iterator RelCur = Rels.begin();
+ std::vector<RelocationRef>::const_iterator RelEnd = Rels.end();
// Disassemble symbol by symbol.
- for (unsigned si = 0, se = Symbols.size(); si != se; ++si) {
- uint64_t Start = std::get<0>(Symbols[si]) - SectionAddr;
- // The end is either the section end or the beginning of the next
- // symbol.
- uint64_t End =
- (si == se - 1) ? SectSize : std::get<0>(Symbols[si + 1]) - SectionAddr;
- // Don't try to disassemble beyond the end of section contents.
- if (End > SectSize)
- End = SectSize;
- // If this symbol has the same address as the next symbol, then skip it.
- if (Start >= End)
+ for (unsigned SI = 0, SE = Symbols.size(); SI != SE; ++SI) {
+ // Skip if --disassemble-functions is not empty and the symbol is not in
+ // the list.
+ if (!DisasmFuncsSet.empty() &&
+ !DisasmFuncsSet.count(std::get<1>(Symbols[SI])))
continue;
- // Check if we need to skip symbol
- // Skip if the symbol's data is not between StartAddress and StopAddress
- if (End + SectionAddr < StartAddress ||
- Start + SectionAddr > StopAddress) {
+ uint64_t Start = std::get<0>(Symbols[SI]);
+ if (Start < SectionAddr || StopAddress <= Start)
continue;
- }
- /// Skip if user requested specific symbols and this is not in the list
- if (!DisasmFuncsSet.empty() &&
- !DisasmFuncsSet.count(std::get<1>(Symbols[si])))
+ // The end is the section end, the beginning of the next symbol, or
+ // --stop-address.
+ uint64_t End = std::min<uint64_t>(SectionAddr + SectSize, StopAddress);
+ if (SI + 1 < SE)
+ End = std::min(End, std::get<0>(Symbols[SI + 1]));
+ if (Start >= End || End <= StartAddress)
continue;
+ Start -= SectionAddr;
+ End -= SectionAddr;
if (!PrintedSection) {
PrintedSection = true;
- outs() << "Disassembly of section ";
+ outs() << "\nDisassembly of section ";
if (!SegmentName.empty())
outs() << SegmentName << ",";
- outs() << SectionName << ':';
+ outs() << SectionName << ":\n";
}
- // Stop disassembly at the stop address specified
- if (End + SectionAddr > StopAddress)
- End = StopAddress - SectionAddr;
-
if (Obj->isELF() && Obj->getArch() == Triple::amdgcn) {
- if (std::get<2>(Symbols[si]) == ELF::STT_AMDGPU_HSA_KERNEL) {
+ if (std::get<2>(Symbols[SI]) == ELF::STT_AMDGPU_HSA_KERNEL) {
// skip amd_kernel_code_t at the begining of kernel symbol (256 bytes)
Start += 256;
}
- if (si == se - 1 ||
- std::get<2>(Symbols[si + 1]) == ELF::STT_AMDGPU_HSA_KERNEL) {
+ if (SI == SE - 1 ||
+ std::get<2>(Symbols[SI + 1]) == ELF::STT_AMDGPU_HSA_KERNEL) {
// cut trailing zeroes at the end of kernel
// cut up to 256 bytes
const uint64_t EndAlign = 256;
outs() << '\n';
if (!NoLeadingAddr)
- outs() << format("%016" PRIx64 " ", SectionAddr + Start);
+ outs() << format("%016" PRIx64 " ",
+ SectionAddr + Start + VMAAdjustment);
- StringRef SymbolName = std::get<1>(Symbols[si]);
+ StringRef SymbolName = std::get<1>(Symbols[SI]);
if (Demangle)
outs() << demangle(SymbolName) << ":\n";
else
raw_ostream &DebugOut = nulls();
#endif
- for (Index = Start; Index < End; Index += Size) {
- MCInst Inst;
+ // Some targets (like WebAssembly) have a special prelude at the start
+ // of each symbol.
+ DisAsm->onSymbolStart(SymbolName, Size, Bytes.slice(Start, End - Start),
+ SectionAddr + Start, DebugOut, CommentStream);
+ Start += Size;
+
+ Index = Start;
+ if (SectionAddr < StartAddress)
+ Index = std::max<uint64_t>(Index, StartAddress - SectionAddr);
+
+ // If there is a data symbol inside an ELF text section and we are
+ // only disassembling text (applicable all architectures), we are in a
+ // situation where we must print the data and not disassemble it.
+ if (Obj->isELF() && std::get<2>(Symbols[SI]) == ELF::STT_OBJECT &&
+ !DisassembleAll && Section.isText()) {
+ dumpELFData(SectionAddr, Index, End, Bytes);
+ Index = End;
+ }
- if (Index + SectionAddr < StartAddress ||
- Index + SectionAddr > StopAddress) {
- // skip byte by byte till StartAddress is reached
- Size = 1;
+ bool CheckARMELFData = isArmElf(Obj) &&
+ std::get<2>(Symbols[SI]) != ELF::STT_OBJECT &&
+ !DisassembleAll;
+ while (Index < End) {
+ // AArch64 ELF binaries can interleave data and text in the same
+ // section. We rely on the markers introduced to understand what we
+ // need to dump. If the data marker is within a function, it is
+ // denoted as a word/short etc.
+ if (CheckARMELFData &&
+ std::binary_search(DataMappingSymsAddr.begin(),
+ DataMappingSymsAddr.end(), Index)) {
+ Index = dumpARMELFData(SectionAddr, Index, End, Obj, Bytes,
+ TextMappingSymsAddr);
continue;
}
- // AArch64 ELF binaries can interleave data and text in the
- // same section. We rely on the markers introduced to
- // understand what we need to dump. If the data marker is within a
- // function, it is denoted as a word/short etc
- if (isArmElf(Obj) && std::get<2>(Symbols[si]) != ELF::STT_OBJECT &&
- !DisassembleAll) {
- uint64_t Stride = 0;
-
- auto DAI = std::lower_bound(DataMappingSymsAddr.begin(),
- DataMappingSymsAddr.end(), Index);
- if (DAI != DataMappingSymsAddr.end() && *DAI == Index) {
- // Switch to data.
- while (Index < End) {
- outs() << format("%8" PRIx64 ":", SectionAddr + Index);
- outs() << "\t";
- if (Index + 4 <= End) {
- Stride = 4;
- dumpBytes(Bytes.slice(Index, 4), outs());
- outs() << "\t.word\t";
- uint32_t Data = 0;
- if (Obj->isLittleEndian()) {
- const auto Word =
- reinterpret_cast<const support::ulittle32_t *>(
- Bytes.data() + Index);
- Data = *Word;
- } else {
- const auto Word = reinterpret_cast<const support::ubig32_t *>(
- Bytes.data() + Index);
- Data = *Word;
- }
- outs() << "0x" << format("%08" PRIx32, Data);
- } else if (Index + 2 <= End) {
- Stride = 2;
- dumpBytes(Bytes.slice(Index, 2), outs());
- outs() << "\t\t.short\t";
- uint16_t Data = 0;
- if (Obj->isLittleEndian()) {
- const auto Short =
- reinterpret_cast<const support::ulittle16_t *>(
- Bytes.data() + Index);
- Data = *Short;
- } else {
- const auto Short =
- reinterpret_cast<const support::ubig16_t *>(Bytes.data() +
- Index);
- Data = *Short;
- }
- outs() << "0x" << format("%04" PRIx16, Data);
- } else {
- Stride = 1;
- dumpBytes(Bytes.slice(Index, 1), outs());
- outs() << "\t\t.byte\t";
- outs() << "0x" << format("%02" PRIx8, Bytes.slice(Index, 1)[0]);
- }
- Index += Stride;
- outs() << "\n";
- auto TAI = std::lower_bound(TextMappingSymsAddr.begin(),
- TextMappingSymsAddr.end(), Index);
- if (TAI != TextMappingSymsAddr.end() && *TAI == Index)
- break;
- }
- }
- }
- // If there is a data symbol inside an ELF text section and we are only
- // disassembling text (applicable all architectures),
- // we are in a situation where we must print the data and not
- // disassemble it.
- if (Obj->isELF() && std::get<2>(Symbols[si]) == ELF::STT_OBJECT &&
- !DisassembleAll && Section.isText()) {
- // print out data up to 8 bytes at a time in hex and ascii
- uint8_t AsciiData[9] = {'\0'};
- uint8_t Byte;
- int NumBytes = 0;
-
- for (Index = Start; Index < End; Index += 1) {
- if (((SectionAddr + Index) < StartAddress) ||
- ((SectionAddr + Index) > StopAddress))
- continue;
- if (NumBytes == 0) {
- outs() << format("%8" PRIx64 ":", SectionAddr + Index);
- outs() << "\t";
- }
- Byte = Bytes.slice(Index)[0];
- outs() << format(" %02x", Byte);
- AsciiData[NumBytes] = isPrint(Byte) ? Byte : '.';
-
- uint8_t IndentOffset = 0;
- NumBytes++;
- if (Index == End - 1 || NumBytes > 8) {
- // Indent the space for less than 8 bytes data.
- // 2 spaces for byte and one for space between bytes
- IndentOffset = 3 * (8 - NumBytes);
- for (int Excess = 8 - NumBytes; Excess < 8; Excess++)
- AsciiData[Excess] = '\0';
- NumBytes = 8;
- }
- if (NumBytes == 8) {
- AsciiData[8] = '\0';
- outs() << std::string(IndentOffset, ' ') << " ";
- outs() << reinterpret_cast<char *>(AsciiData);
- outs() << '\n';
- NumBytes = 0;
- }
+ // When -z or --disassemble-zeroes are given we always dissasemble
+ // them. Otherwise we might want to skip zero bytes we see.
+ if (!DisassembleZeroes) {
+ uint64_t MaxOffset = End - Index;
+ // For -reloc: print zero blocks patched by relocations, so that
+ // relocations can be shown in the dump.
+ if (RelCur != RelEnd)
+ MaxOffset = RelCur->getOffset() - Index;
+
+ if (size_t N =
+ countSkippableZeroBytes(Bytes.slice(Index, MaxOffset))) {
+ outs() << "\t\t..." << '\n';
+ Index += N;
+ continue;
}
}
- if (Index >= End)
- break;
-
- if (size_t N =
- countSkippableZeroBytes(Bytes.slice(Index, End - Index))) {
- outs() << "\t\t..." << '\n';
- Index += N;
- if (Index >= End)
- break;
- }
// Disassemble a real instruction or a data when disassemble all is
// provided
- bool Disassembled = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
- SectionAddr + Index, DebugOut,
- CommentStream);
+ MCInst Inst;
+ bool Disassembled = DisAsm->getInstruction(
+ Inst, Size, Bytes.slice(Index), SectionAddr + Index, DebugOut,
+ CommentStream);
if (Size == 0)
Size = 1;
- PIP.printInst(*IP, Disassembled ? &Inst : nullptr,
- Bytes.slice(Index, Size), SectionAddr + Index, outs(), "",
- *STI, &SP, &Rels);
+ PIP.printInst(
+ *IP, Disassembled ? &Inst : nullptr, Bytes.slice(Index, Size),
+ {SectionAddr + Index + VMAAdjustment, Section.getIndex()}, outs(),
+ "", *STI, &SP, &Rels);
outs() << CommentStream.str();
Comments.clear();
// N.B. We don't walk the relocations in the relocatable case yet.
auto *TargetSectionSymbols = &Symbols;
if (!Obj->isRelocatableObject()) {
- auto SectionAddress = std::upper_bound(
- SectionAddresses.begin(), SectionAddresses.end(), Target,
- [](uint64_t LHS,
- const std::pair<uint64_t, SectionRef> &RHS) {
- return LHS < RHS.first;
+ auto It = llvm::bsearch(
+ SectionAddresses,
+ [=](const std::pair<uint64_t, SectionRef> &RHS) {
+ return Target < RHS.first;
});
- if (SectionAddress != SectionAddresses.begin()) {
- --SectionAddress;
- TargetSectionSymbols = &AllSymbols[SectionAddress->second];
+ if (It != SectionAddresses.begin()) {
+ --It;
+ TargetSectionSymbols = &AllSymbols[It->second];
} else {
TargetSectionSymbols = &AbsoluteSymbols;
}
}
- // Find the first symbol in the section whose offset is less than
+ // Find the last symbol in the section whose offset is less than
// or equal to the target. If there isn't a section that contains
// the target, find the nearest preceding absolute symbol.
- auto TargetSym = std::upper_bound(
- TargetSectionSymbols->begin(), TargetSectionSymbols->end(),
- Target, [](uint64_t LHS,
- const std::tuple<uint64_t, StringRef, uint8_t> &RHS) {
- return LHS < std::get<0>(RHS);
+ auto TargetSym = llvm::bsearch(
+ *TargetSectionSymbols,
+ [=](const std::tuple<uint64_t, StringRef, uint8_t> &RHS) {
+ return Target < std::get<0>(RHS);
});
if (TargetSym == TargetSectionSymbols->begin()) {
TargetSectionSymbols = &AbsoluteSymbols;
- TargetSym = std::upper_bound(
- AbsoluteSymbols.begin(), AbsoluteSymbols.end(),
- Target, [](uint64_t LHS,
- const std::tuple<uint64_t, StringRef, uint8_t> &RHS) {
- return LHS < std::get<0>(RHS);
- });
+ TargetSym = llvm::bsearch(
+ AbsoluteSymbols,
+ [=](const std::tuple<uint64_t, StringRef, uint8_t> &RHS) {
+ return Target < std::get<0>(RHS);
+ });
}
if (TargetSym != TargetSectionSymbols->begin()) {
--TargetSym;
outs() << "\n";
// Hexagon does this in pretty printer
- if (Obj->getArch() != Triple::hexagon)
+ if (Obj->getArch() != Triple::hexagon) {
// Print relocation for instruction.
- while (rel_cur != rel_end) {
- bool hidden = getHidden(*rel_cur);
- uint64_t addr = rel_cur->getOffset();
- SmallString<16> name;
- SmallString<32> val;
-
+ while (RelCur != RelEnd) {
+ uint64_t Offset = RelCur->getOffset();
// If this relocation is hidden, skip it.
- if (hidden || ((SectionAddr + addr) < StartAddress)) {
- ++rel_cur;
+ if (getHidden(*RelCur) || SectionAddr + Offset < StartAddress) {
+ ++RelCur;
continue;
}
- // Stop when rel_cur's address is past the current instruction.
- if (addr >= Index + Size) break;
- rel_cur->getTypeName(name);
- error(getRelocationValueString(*rel_cur, val));
- outs() << format(Fmt.data(), SectionAddr + addr) << name
- << "\t" << val << "\n";
- ++rel_cur;
+ // Stop when RelCur's offset is past the current instruction.
+ if (Offset >= Index + Size)
+ break;
+
+ // When --adjust-vma is used, update the address printed.
+ if (RelCur->getSymbol() != Obj->symbol_end()) {
+ Expected<section_iterator> SymSI =
+ RelCur->getSymbol()->getSection();
+ if (SymSI && *SymSI != Obj->section_end() &&
+ shouldAdjustVA(**SymSI))
+ Offset += AdjustVMA;
+ }
+
+ printRelocation(*RelCur, SectionAddr + Offset,
+ Obj->getBytesInAddress());
+ ++RelCur;
}
+ }
+
+ Index += Size;
}
}
}
}
-void llvm::PrintRelocations(const ObjectFile *Obj) {
+static void disassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
+ if (StartAddress > StopAddress)
+ error("Start address should be less than stop address");
+
+ const Target *TheTarget = getTarget(Obj);
+
+ // Package up features to be passed to target/subtarget
+ SubtargetFeatures Features = Obj->getFeatures();
+ if (!MAttrs.empty())
+ for (unsigned I = 0; I != MAttrs.size(); ++I)
+ Features.AddFeature(MAttrs[I]);
+
+ std::unique_ptr<const MCRegisterInfo> MRI(
+ TheTarget->createMCRegInfo(TripleName));
+ if (!MRI)
+ report_error(Obj->getFileName(),
+ "no register info for target " + TripleName);
+
+ // Set up disassembler.
+ std::unique_ptr<const MCAsmInfo> AsmInfo(
+ TheTarget->createMCAsmInfo(*MRI, TripleName));
+ if (!AsmInfo)
+ report_error(Obj->getFileName(),
+ "no assembly info for target " + TripleName);
+ std::unique_ptr<const MCSubtargetInfo> STI(
+ TheTarget->createMCSubtargetInfo(TripleName, MCPU, Features.getString()));
+ if (!STI)
+ report_error(Obj->getFileName(),
+ "no subtarget info for target " + TripleName);
+ std::unique_ptr<const MCInstrInfo> MII(TheTarget->createMCInstrInfo());
+ if (!MII)
+ report_error(Obj->getFileName(),
+ "no instruction info for target " + TripleName);
+ MCObjectFileInfo MOFI;
+ MCContext Ctx(AsmInfo.get(), MRI.get(), &MOFI);
+ // FIXME: for now initialize MCObjectFileInfo with default values
+ MOFI.InitMCObjectFileInfo(Triple(TripleName), false, Ctx);
+
+ std::unique_ptr<MCDisassembler> DisAsm(
+ TheTarget->createMCDisassembler(*STI, Ctx));
+ if (!DisAsm)
+ report_error(Obj->getFileName(),
+ "no disassembler for target " + TripleName);
+
+ std::unique_ptr<const MCInstrAnalysis> MIA(
+ TheTarget->createMCInstrAnalysis(MII.get()));
+
+ int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
+ std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
+ Triple(TripleName), AsmPrinterVariant, *AsmInfo, *MII, *MRI));
+ if (!IP)
+ report_error(Obj->getFileName(),
+ "no instruction printer for target " + TripleName);
+ IP->setPrintImmHex(PrintImmHex);
+
+ PrettyPrinter &PIP = selectPrettyPrinter(Triple(TripleName));
+ SourcePrinter SP(Obj, TheTarget->getName());
+
+ for (StringRef Opt : DisassemblerOptions)
+ if (!IP->applyTargetSpecificCLOption(Opt))
+ error("Unrecognized disassembler option: " + Opt);
+
+ disassembleObject(TheTarget, Obj, Ctx, DisAsm.get(), MIA.get(), IP.get(),
+ STI.get(), PIP, SP, InlineRelocs);
+}
+
+void printRelocations(const ObjectFile *Obj) {
StringRef Fmt = Obj->getBytesInAddress() > 4 ? "%016" PRIx64 :
"%08" PRIx64;
// Regular objdump doesn't print relocations in non-relocatable object
if (!Obj->isRelocatableObject())
return;
+ // Build a mapping from relocation target to a vector of relocation
+ // sections. Usually, there is an only one relocation section for
+ // each relocated section.
+ MapVector<SectionRef, std::vector<SectionRef>> SecToRelSec;
for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
if (Section.relocation_begin() == Section.relocation_end())
continue;
- StringRef secname;
- error(Section.getName(secname));
- outs() << "RELOCATION RECORDS FOR [" << secname << "]:\n";
- for (const RelocationRef &Reloc : Section.relocations()) {
- bool hidden = getHidden(Reloc);
- uint64_t address = Reloc.getOffset();
- SmallString<32> relocname;
- SmallString<32> valuestr;
- if (address < StartAddress || address > StopAddress || hidden)
- continue;
- Reloc.getTypeName(relocname);
- error(getRelocationValueString(Reloc, valuestr));
- outs() << format(Fmt.data(), address) << " " << relocname << " "
- << valuestr << "\n";
+ const SectionRef TargetSec = *Section.getRelocatedSection();
+ SecToRelSec[TargetSec].push_back(Section);
+ }
+
+ for (std::pair<SectionRef, std::vector<SectionRef>> &P : SecToRelSec) {
+ StringRef SecName;
+ error(P.first.getName(SecName));
+ outs() << "RELOCATION RECORDS FOR [" << SecName << "]:\n";
+
+ for (SectionRef Section : P.second) {
+ for (const RelocationRef &Reloc : Section.relocations()) {
+ uint64_t Address = Reloc.getOffset();
+ SmallString<32> RelocName;
+ SmallString<32> ValueStr;
+ if (Address < StartAddress || Address > StopAddress || getHidden(Reloc))
+ continue;
+ Reloc.getTypeName(RelocName);
+ error(getRelocationValueString(Reloc, ValueStr));
+ outs() << format(Fmt.data(), Address) << " " << RelocName << " "
+ << ValueStr << "\n";
+ }
}
outs() << "\n";
}
}
-void llvm::PrintDynamicRelocations(const ObjectFile *Obj) {
-
+void printDynamicRelocations(const ObjectFile *Obj) {
// For the moment, this option is for ELF only
if (!Obj->isELF())
return;
const auto *Elf = dyn_cast<ELFObjectFileBase>(Obj);
-
if (!Elf || Elf->getEType() != ELF::ET_DYN) {
error("not a dynamic object");
return;
}
- StringRef Fmt = Obj->getBytesInAddress() > 4 ? "%016" PRIx64 : "%08" PRIx64;
-
std::vector<SectionRef> DynRelSec = Obj->dynamic_relocation_sections();
if (DynRelSec.empty())
return;
outs() << "DYNAMIC RELOCATION RECORDS\n";
- for (const SectionRef &Section : DynRelSec) {
- if (Section.relocation_begin() == Section.relocation_end())
- continue;
+ StringRef Fmt = Obj->getBytesInAddress() > 4 ? "%016" PRIx64 : "%08" PRIx64;
+ for (const SectionRef &Section : DynRelSec)
for (const RelocationRef &Reloc : Section.relocations()) {
- uint64_t address = Reloc.getOffset();
- SmallString<32> relocname;
- SmallString<32> valuestr;
- Reloc.getTypeName(relocname);
- error(getRelocationValueString(Reloc, valuestr));
- outs() << format(Fmt.data(), address) << " " << relocname << " "
- << valuestr << "\n";
+ uint64_t Address = Reloc.getOffset();
+ SmallString<32> RelocName;
+ SmallString<32> ValueStr;
+ Reloc.getTypeName(RelocName);
+ error(getRelocationValueString(Reloc, ValueStr));
+ outs() << format(Fmt.data(), Address) << " " << RelocName << " "
+ << ValueStr << "\n";
}
- }
}
-void llvm::PrintSectionHeaders(const ObjectFile *Obj) {
- outs() << "Sections:\n"
- "Idx Name Size Address Type\n";
+// Returns true if we need to show LMA column when dumping section headers. We
+// show it only when the platform is ELF and either we have at least one section
+// whose VMA and LMA are different and/or when --show-lma flag is used.
+static bool shouldDisplayLMA(const ObjectFile *Obj) {
+ if (!Obj->isELF())
+ return false;
+ for (const SectionRef &S : ToolSectionFilter(*Obj))
+ if (S.getAddress() != getELFSectionLMA(S))
+ return true;
+ return ShowLMA;
+}
+
+void printSectionHeaders(const ObjectFile *Obj) {
+ bool HasLMAColumn = shouldDisplayLMA(Obj);
+ if (HasLMAColumn)
+ outs() << "Sections:\n"
+ "Idx Name Size VMA LMA "
+ "Type\n";
+ else
+ outs() << "Sections:\n"
+ "Idx Name Size VMA Type\n";
+
for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
StringRef Name;
error(Section.getName(Name));
- uint64_t Address = Section.getAddress();
+ uint64_t VMA = Section.getAddress();
+ if (shouldAdjustVA(Section))
+ VMA += AdjustVMA;
+
uint64_t Size = Section.getSize();
bool Text = Section.isText();
bool Data = Section.isData();
bool BSS = Section.isBSS();
std::string Type = (std::string(Text ? "TEXT " : "") +
(Data ? "DATA " : "") + (BSS ? "BSS" : ""));
- outs() << format("%3d %-13s %08" PRIx64 " %016" PRIx64 " %s\n",
- (unsigned)Section.getIndex(), Name.str().c_str(), Size,
- Address, Type.c_str());
+
+ if (HasLMAColumn)
+ outs() << format("%3d %-13s %08" PRIx64 " %016" PRIx64 " %016" PRIx64
+ " %s\n",
+ (unsigned)Section.getIndex(), Name.str().c_str(), Size,
+ VMA, getELFSectionLMA(Section), Type.c_str());
+ else
+ outs() << format("%3d %-13s %08" PRIx64 " %016" PRIx64 " %s\n",
+ (unsigned)Section.getIndex(), Name.str().c_str(), Size,
+ VMA, Type.c_str());
}
outs() << "\n";
}
-void llvm::PrintSectionContents(const ObjectFile *Obj) {
- std::error_code EC;
+void printSectionContents(const ObjectFile *Obj) {
for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
StringRef Name;
StringRef Contents;
error(Section.getContents(Contents));
// Dump out the content as hex and printable ascii characters.
- for (std::size_t addr = 0, end = Contents.size(); addr < end; addr += 16) {
- outs() << format(" %04" PRIx64 " ", BaseAddr + addr);
+ for (std::size_t Addr = 0, End = Contents.size(); Addr < End; Addr += 16) {
+ outs() << format(" %04" PRIx64 " ", BaseAddr + Addr);
// Dump line of hex.
- for (std::size_t i = 0; i < 16; ++i) {
- if (i != 0 && i % 4 == 0)
+ for (std::size_t I = 0; I < 16; ++I) {
+ if (I != 0 && I % 4 == 0)
outs() << ' ';
- if (addr + i < end)
- outs() << hexdigit((Contents[addr + i] >> 4) & 0xF, true)
- << hexdigit(Contents[addr + i] & 0xF, true);
+ if (Addr + I < End)
+ outs() << hexdigit((Contents[Addr + I] >> 4) & 0xF, true)
+ << hexdigit(Contents[Addr + I] & 0xF, true);
else
outs() << " ";
}
// Print ascii.
outs() << " ";
- for (std::size_t i = 0; i < 16 && addr + i < end; ++i) {
- if (isPrint(static_cast<unsigned char>(Contents[addr + i]) & 0xFF))
- outs() << Contents[addr + i];
+ for (std::size_t I = 0; I < 16 && Addr + I < End; ++I) {
+ if (isPrint(static_cast<unsigned char>(Contents[Addr + I]) & 0xFF))
+ outs() << Contents[Addr + I];
else
outs() << ".";
}
}
}
-void llvm::PrintSymbolTable(const ObjectFile *o, StringRef ArchiveName,
- StringRef ArchitectureName) {
+void printSymbolTable(const ObjectFile *O, StringRef ArchiveName,
+ StringRef ArchitectureName) {
outs() << "SYMBOL TABLE:\n";
- if (const COFFObjectFile *coff = dyn_cast<const COFFObjectFile>(o)) {
- printCOFFSymbolTable(coff);
+ if (const COFFObjectFile *Coff = dyn_cast<const COFFObjectFile>(O)) {
+ printCOFFSymbolTable(Coff);
return;
}
- for (const SymbolRef &Symbol : o->symbols()) {
- Expected<uint64_t> AddressOrError = Symbol.getAddress();
- if (!AddressOrError)
- report_error(ArchiveName, o->getFileName(), AddressOrError.takeError(),
- ArchitectureName);
- uint64_t Address = *AddressOrError;
+
+ const StringRef FileName = O->getFileName();
+ for (auto I = O->symbol_begin(), E = O->symbol_end(); I != E; ++I) {
+ // Skip printing the special zero symbol when dumping an ELF file.
+ // This makes the output consistent with the GNU objdump.
+ if (I == O->symbol_begin() && isa<ELFObjectFileBase>(O))
+ continue;
+
+ const SymbolRef &Symbol = *I;
+ uint64_t Address = unwrapOrError(Symbol.getAddress(), ArchiveName, FileName,
+ ArchitectureName);
if ((Address < StartAddress) || (Address > StopAddress))
continue;
- Expected<SymbolRef::Type> TypeOrError = Symbol.getType();
- if (!TypeOrError)
- report_error(ArchiveName, o->getFileName(), TypeOrError.takeError(),
- ArchitectureName);
- SymbolRef::Type Type = *TypeOrError;
+ SymbolRef::Type Type = unwrapOrError(Symbol.getType(), ArchiveName,
+ FileName, ArchitectureName);
uint32_t Flags = Symbol.getFlags();
- Expected<section_iterator> SectionOrErr = Symbol.getSection();
- if (!SectionOrErr)
- report_error(ArchiveName, o->getFileName(), SectionOrErr.takeError(),
- ArchitectureName);
- section_iterator Section = *SectionOrErr;
+ section_iterator Section = unwrapOrError(Symbol.getSection(), ArchiveName,
+ FileName, ArchitectureName);
StringRef Name;
- if (Type == SymbolRef::ST_Debug && Section != o->section_end()) {
+ if (Type == SymbolRef::ST_Debug && Section != O->section_end())
Section->getName(Name);
- } else {
- Expected<StringRef> NameOrErr = Symbol.getName();
- if (!NameOrErr)
- report_error(ArchiveName, o->getFileName(), NameOrErr.takeError(),
- ArchitectureName);
- Name = *NameOrErr;
- }
+ else
+ Name = unwrapOrError(Symbol.getName(), ArchiveName, FileName,
+ ArchitectureName);
bool Global = Flags & SymbolRef::SF_Global;
bool Weak = Flags & SymbolRef::SF_Weak;
else if (Type == SymbolRef::ST_Data)
FileFunc = 'O';
- const char *Fmt = o->getBytesInAddress() > 4 ? "%016" PRIx64 :
+ const char *Fmt = O->getBytesInAddress() > 4 ? "%016" PRIx64 :
"%08" PRIx64;
outs() << format(Fmt, Address) << " "
outs() << "*ABS*";
} else if (Common) {
outs() << "*COM*";
- } else if (Section == o->section_end()) {
+ } else if (Section == O->section_end()) {
outs() << "*UND*";
} else {
if (const MachOObjectFile *MachO =
- dyn_cast<const MachOObjectFile>(o)) {
+ dyn_cast<const MachOObjectFile>(O)) {
DataRefImpl DR = Section->getRawDataRefImpl();
StringRef SegmentName = MachO->getSectionFinalSegmentName(DR);
outs() << SegmentName << ",";
outs() << SectionName;
}
- outs() << '\t';
- if (Common || isa<ELFObjectFileBase>(o)) {
+ if (Common || isa<ELFObjectFileBase>(O)) {
uint64_t Val =
Common ? Symbol.getAlignment() : ELFSymbolRef(Symbol).getSize();
- outs() << format("\t %08" PRIx64 " ", Val);
+ outs() << format("\t%08" PRIx64, Val);
}
- if (Hidden) {
- outs() << ".hidden ";
+ if (isa<ELFObjectFileBase>(O)) {
+ uint8_t Other = ELFSymbolRef(Symbol).getOther();
+ switch (Other) {
+ case ELF::STV_DEFAULT:
+ break;
+ case ELF::STV_INTERNAL:
+ outs() << " .internal";
+ break;
+ case ELF::STV_HIDDEN:
+ outs() << " .hidden";
+ break;
+ case ELF::STV_PROTECTED:
+ outs() << " .protected";
+ break;
+ default:
+ outs() << format(" 0x%02x", Other);
+ break;
+ }
+ } else if (Hidden) {
+ outs() << " .hidden";
}
if (Demangle)
- outs() << demangle(Name) << '\n';
+ outs() << ' ' << demangle(Name) << '\n';
else
- outs() << Name << '\n';
+ outs() << ' ' << Name << '\n';
}
}
-static void PrintUnwindInfo(const ObjectFile *o) {
+static void printUnwindInfo(const ObjectFile *O) {
outs() << "Unwind info:\n\n";
- if (const COFFObjectFile *coff = dyn_cast<COFFObjectFile>(o)) {
- printCOFFUnwindInfo(coff);
- } else if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
+ if (const COFFObjectFile *Coff = dyn_cast<COFFObjectFile>(O))
+ printCOFFUnwindInfo(Coff);
+ else if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(O))
printMachOUnwindInfo(MachO);
- else {
+ else
// TODO: Extract DWARF dump tool to objdump.
WithColor::error(errs(), ToolName)
<< "This operation is only currently supported "
"for COFF and MachO object files.\n";
- return;
- }
-}
-
-void llvm::printExportsTrie(const ObjectFile *o) {
- outs() << "Exports trie:\n";
- if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
- printMachOExportsTrie(MachO);
- else {
- WithColor::error(errs(), ToolName)
- << "This operation is only currently supported "
- "for Mach-O executable files.\n";
- return;
- }
-}
-
-void llvm::printRebaseTable(ObjectFile *o) {
- outs() << "Rebase table:\n";
- if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
- printMachORebaseTable(MachO);
- else {
- WithColor::error(errs(), ToolName)
- << "This operation is only currently supported "
- "for Mach-O executable files.\n";
- return;
- }
-}
-
-void llvm::printBindTable(ObjectFile *o) {
- outs() << "Bind table:\n";
- if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
- printMachOBindTable(MachO);
- else {
- WithColor::error(errs(), ToolName)
- << "This operation is only currently supported "
- "for Mach-O executable files.\n";
- return;
- }
-}
-
-void llvm::printLazyBindTable(ObjectFile *o) {
- outs() << "Lazy bind table:\n";
- if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
- printMachOLazyBindTable(MachO);
- else {
- WithColor::error(errs(), ToolName)
- << "This operation is only currently supported "
- "for Mach-O executable files.\n";
- return;
- }
-}
-
-void llvm::printWeakBindTable(ObjectFile *o) {
- outs() << "Weak bind table:\n";
- if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
- printMachOWeakBindTable(MachO);
- else {
- WithColor::error(errs(), ToolName)
- << "This operation is only currently supported "
- "for Mach-O executable files.\n";
- return;
- }
}
/// Dump the raw contents of the __clangast section so the output can be piped
/// into llvm-bcanalyzer.
-void llvm::printRawClangAST(const ObjectFile *Obj) {
+void printRawClangAST(const ObjectFile *Obj) {
if (outs().is_displayed()) {
WithColor::error(errs(), ToolName)
<< "The -raw-clang-ast option will dump the raw binary contents of "
}
static void printFaultMaps(const ObjectFile *Obj) {
- const char *FaultMapSectionName = nullptr;
+ StringRef FaultMapSectionName;
if (isa<ELFObjectFileBase>(Obj)) {
FaultMapSectionName = ".llvm_faultmaps";
outs() << FMP;
}
-static void printPrivateFileHeaders(const ObjectFile *o, bool onlyFirst) {
- if (o->isELF()) {
- printELFFileHeader(o);
- return printELFDynamicSection(o);
+static void printPrivateFileHeaders(const ObjectFile *O, bool OnlyFirst) {
+ if (O->isELF()) {
+ printELFFileHeader(O);
+ printELFDynamicSection(O);
+ printELFSymbolVersionInfo(O);
+ return;
}
- if (o->isCOFF())
- return printCOFFFileHeader(o);
- if (o->isWasm())
- return printWasmFileHeader(o);
- if (o->isMachO()) {
- printMachOFileHeader(o);
- if (!onlyFirst)
- printMachOLoadCommands(o);
+ if (O->isCOFF())
+ return printCOFFFileHeader(O);
+ if (O->isWasm())
+ return printWasmFileHeader(O);
+ if (O->isMachO()) {
+ printMachOFileHeader(O);
+ if (!OnlyFirst)
+ printMachOLoadCommands(O);
return;
}
- report_error(o->getFileName(), "Invalid/Unsupported object file format");
+ report_error(O->getFileName(), "Invalid/Unsupported object file format");
}
-static void printFileHeaders(const ObjectFile *o) {
- if (!o->isELF() && !o->isCOFF())
- report_error(o->getFileName(), "Invalid/Unsupported object file format");
+static void printFileHeaders(const ObjectFile *O) {
+ if (!O->isELF() && !O->isCOFF())
+ report_error(O->getFileName(), "Invalid/Unsupported object file format");
- Triple::ArchType AT = o->getArch();
+ Triple::ArchType AT = O->getArch();
outs() << "architecture: " << Triple::getArchTypeName(AT) << "\n";
- Expected<uint64_t> StartAddrOrErr = o->getStartAddress();
- if (!StartAddrOrErr)
- report_error(o->getFileName(), StartAddrOrErr.takeError());
+ uint64_t Address = unwrapOrError(O->getStartAddress(), O->getFileName());
- StringRef Fmt = o->getBytesInAddress() > 4 ? "%016" PRIx64 : "%08" PRIx64;
- uint64_t Address = StartAddrOrErr.get();
+ StringRef Fmt = O->getBytesInAddress() > 4 ? "%016" PRIx64 : "%08" PRIx64;
outs() << "start address: "
- << "0x" << format(Fmt.data(), Address)
- << "\n";
+ << "0x" << format(Fmt.data(), Address) << "\n\n";
}
static void printArchiveChild(StringRef Filename, const Archive::Child &C) {
outs() << " ";
- Expected<unsigned> UIDOrErr = C.getUID();
- if (!UIDOrErr)
- report_error(Filename, UIDOrErr.takeError());
- unsigned UID = UIDOrErr.get();
- outs() << format("%d/", UID);
-
- Expected<unsigned> GIDOrErr = C.getGID();
- if (!GIDOrErr)
- report_error(Filename, GIDOrErr.takeError());
- unsigned GID = GIDOrErr.get();
- outs() << format("%-d ", GID);
-
- Expected<uint64_t> Size = C.getRawSize();
- if (!Size)
- report_error(Filename, Size.takeError());
- outs() << format("%6" PRId64, Size.get()) << " ";
+ outs() << format("%d/%d %6" PRId64 " ", unwrapOrError(C.getUID(), Filename),
+ unwrapOrError(C.getGID(), Filename),
+ unwrapOrError(C.getRawSize(), Filename));
StringRef RawLastModified = C.getRawLastModified();
unsigned Seconds;
Expected<StringRef> NameOrErr = C.getName();
if (!NameOrErr) {
consumeError(NameOrErr.takeError());
- Expected<StringRef> RawNameOrErr = C.getRawName();
- if (!RawNameOrErr)
- report_error(Filename, NameOrErr.takeError());
- Name = RawNameOrErr.get();
+ Name = unwrapOrError(C.getRawName(), Filename);
} else {
Name = NameOrErr.get();
}
outs() << Name << "\n";
}
-static void DumpObject(ObjectFile *o, const Archive *a = nullptr,
- const Archive::Child *c = nullptr) {
- StringRef ArchiveName = a != nullptr ? a->getFileName() : "";
+static void dumpObject(ObjectFile *O, const Archive *A = nullptr,
+ const Archive::Child *C = nullptr) {
// Avoid other output when using a raw option.
if (!RawClangAST) {
outs() << '\n';
- if (a)
- outs() << a->getFileName() << "(" << o->getFileName() << ")";
+ if (A)
+ outs() << A->getFileName() << "(" << O->getFileName() << ")";
else
- outs() << o->getFileName();
- outs() << ":\tfile format " << o->getFileFormatName() << "\n\n";
+ outs() << O->getFileName();
+ outs() << ":\tfile format " << O->getFileFormatName() << "\n\n";
}
- if (ArchiveHeaders && !MachOOpt && c)
- printArchiveChild(ArchiveName, *c);
+ StringRef ArchiveName = A ? A->getFileName() : "";
+ if (FileHeaders)
+ printFileHeaders(O);
+ if (ArchiveHeaders && !MachOOpt && C)
+ printArchiveChild(ArchiveName, *C);
if (Disassemble)
- DisassembleObject(o, Relocations);
+ disassembleObject(O, Relocations);
if (Relocations && !Disassemble)
- PrintRelocations(o);
+ printRelocations(O);
if (DynamicRelocations)
- PrintDynamicRelocations(o);
+ printDynamicRelocations(O);
if (SectionHeaders)
- PrintSectionHeaders(o);
+ printSectionHeaders(O);
if (SectionContents)
- PrintSectionContents(o);
+ printSectionContents(O);
if (SymbolTable)
- PrintSymbolTable(o, ArchiveName);
+ printSymbolTable(O, ArchiveName);
if (UnwindInfo)
- PrintUnwindInfo(o);
+ printUnwindInfo(O);
if (PrivateHeaders || FirstPrivateHeader)
- printPrivateFileHeaders(o, FirstPrivateHeader);
- if (FileHeaders)
- printFileHeaders(o);
+ printPrivateFileHeaders(O, FirstPrivateHeader);
if (ExportsTrie)
- printExportsTrie(o);
+ printExportsTrie(O);
if (Rebase)
- printRebaseTable(o);
+ printRebaseTable(O);
if (Bind)
- printBindTable(o);
+ printBindTable(O);
if (LazyBind)
- printLazyBindTable(o);
+ printLazyBindTable(O);
if (WeakBind)
- printWeakBindTable(o);
+ printWeakBindTable(O);
if (RawClangAST)
- printRawClangAST(o);
- if (PrintFaultMaps)
- printFaultMaps(o);
+ printRawClangAST(O);
+ if (FaultMapSection)
+ printFaultMaps(O);
if (DwarfDumpType != DIDT_Null) {
- std::unique_ptr<DIContext> DICtx = DWARFContext::create(*o);
+ std::unique_ptr<DIContext> DICtx = DWARFContext::create(*O);
// Dump the complete DWARF structure.
DIDumpOptions DumpOpts;
DumpOpts.DumpType = DwarfDumpType;
}
}
-static void DumpObject(const COFFImportFile *I, const Archive *A,
+static void dumpObject(const COFFImportFile *I, const Archive *A,
const Archive::Child *C = nullptr) {
StringRef ArchiveName = A ? A->getFileName() : "";
}
/// Dump each object file in \a a;
-static void DumpArchive(const Archive *a) {
+static void dumpArchive(const Archive *A) {
Error Err = Error::success();
- for (auto &C : a->children(Err)) {
+ for (auto &C : A->children(Err)) {
Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
if (!ChildOrErr) {
if (auto E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError()))
- report_error(a->getFileName(), C, std::move(E));
+ report_error(std::move(E), A->getFileName(), C);
continue;
}
- if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get()))
- DumpObject(o, a, &C);
+ if (ObjectFile *O = dyn_cast<ObjectFile>(&*ChildOrErr.get()))
+ dumpObject(O, A, &C);
else if (COFFImportFile *I = dyn_cast<COFFImportFile>(&*ChildOrErr.get()))
- DumpObject(I, a, &C);
+ dumpObject(I, A, &C);
else
- report_error(a->getFileName(), object_error::invalid_file_type);
+ report_error(errorCodeToError(object_error::invalid_file_type),
+ A->getFileName());
}
if (Err)
- report_error(a->getFileName(), std::move(Err));
+ report_error(std::move(Err), A->getFileName());
}
/// Open file and figure out how to dump it.
-static void DumpInput(StringRef file) {
-
+static void dumpInput(StringRef file) {
// If we are using the Mach-O specific object file parser, then let it parse
// the file and process the command line options. So the -arch flags can
// be used to select specific slices, etc.
if (MachOOpt) {
- ParseInputMachO(file);
+ parseInputMachO(file);
return;
}
// Attempt to open the binary.
- Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(file);
- if (!BinaryOrErr)
- report_error(file, BinaryOrErr.takeError());
- Binary &Binary = *BinaryOrErr.get().getBinary();
-
- if (Archive *a = dyn_cast<Archive>(&Binary))
- DumpArchive(a);
- else if (ObjectFile *o = dyn_cast<ObjectFile>(&Binary))
- DumpObject(o);
+ OwningBinary<Binary> OBinary = unwrapOrError(createBinary(file), file);
+ Binary &Binary = *OBinary.getBinary();
+
+ if (Archive *A = dyn_cast<Archive>(&Binary))
+ dumpArchive(A);
+ else if (ObjectFile *O = dyn_cast<ObjectFile>(&Binary))
+ dumpObject(O);
else if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Binary))
- ParseInputMachO(UB);
+ parseInputMachO(UB);
else
- report_error(file, object_error::invalid_file_type);
+ report_error(errorCodeToError(object_error::invalid_file_type), file);
}
+} // namespace llvm
int main(int argc, char **argv) {
+ using namespace llvm;
InitLLVM X(argc, argv);
// Initialize targets and assembly printers/parsers.
- llvm::InitializeAllTargetInfos();
- llvm::InitializeAllTargetMCs();
- llvm::InitializeAllDisassemblers();
+ InitializeAllTargetInfos();
+ InitializeAllTargetMCs();
+ InitializeAllDisassemblers();
// Register the target printer for --version.
cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
InputFilenames.push_back("a.out");
if (AllHeaders)
- PrivateHeaders = Relocations = SectionHeaders = SymbolTable = true;
+ ArchiveHeaders = FileHeaders = PrivateHeaders = Relocations =
+ SectionHeaders = SymbolTable = true;
if (DisassembleAll || PrintSource || PrintLines)
Disassemble = true;
- if (!Disassemble
- && !Relocations
- && !DynamicRelocations
- && !SectionHeaders
- && !SectionContents
- && !SymbolTable
- && !UnwindInfo
- && !PrivateHeaders
- && !FileHeaders
- && !FirstPrivateHeader
- && !ExportsTrie
- && !Rebase
- && !Bind
- && !LazyBind
- && !WeakBind
- && !RawClangAST
- && !(UniversalHeaders && MachOOpt)
- && !ArchiveHeaders
- && !(IndirectSymbols && MachOOpt)
- && !(DataInCode && MachOOpt)
- && !(LinkOptHints && MachOOpt)
- && !(InfoPlist && MachOOpt)
- && !(DylibsUsed && MachOOpt)
- && !(DylibId && MachOOpt)
- && !(ObjcMetaData && MachOOpt)
- && !(!FilterSections.empty() && MachOOpt)
- && !PrintFaultMaps
- && DwarfDumpType == DIDT_Null) {
+ if (!ArchiveHeaders && !Disassemble && DwarfDumpType == DIDT_Null &&
+ !DynamicRelocations && !FileHeaders && !PrivateHeaders && !RawClangAST &&
+ !Relocations && !SectionHeaders && !SectionContents && !SymbolTable &&
+ !UnwindInfo && !FaultMapSection &&
+ !(MachOOpt &&
+ (Bind || DataInCode || DylibId || DylibsUsed || ExportsTrie ||
+ FirstPrivateHeader || IndirectSymbols || InfoPlist || LazyBind ||
+ LinkOptHints || ObjcMetaData || Rebase || UniversalHeaders ||
+ WeakBind || !FilterSections.empty()))) {
cl::PrintHelpMessage();
return 2;
}
DisasmFuncsSet.insert(DisassembleFunctions.begin(),
DisassembleFunctions.end());
- llvm::for_each(InputFilenames, DumpInput);
+ llvm::for_each(InputFilenames, dumpInput);
return EXIT_SUCCESS;
}
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