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-rw-r--r--llvm/tools/llvm-readobj/ELFDumper.cpp129
-rw-r--r--llvm/tools/llvm-readobj/ObjDumper.cpp6
-rw-r--r--llvm/tools/llvm-readobj/ObjDumper.h5
-rw-r--r--llvm/tools/llvm-readobj/Opts.td2
-rw-r--r--llvm/tools/llvm-readobj/llvm-readobj.cpp4
5 files changed, 111 insertions, 35 deletions
diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
index ccc64fe..2699e10 100644
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -30,6 +30,7 @@
#include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/BinaryFormat/MsgPackDocument.h"
+#include "llvm/BinaryFormat/SFrame.h"
#include "llvm/Demangle/Demangle.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/ELF.h"
@@ -38,6 +39,7 @@
#include "llvm/Object/Error.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/RelocationResolver.h"
+#include "llvm/Object/SFrameParser.h"
#include "llvm/Object/StackMapParser.h"
#include "llvm/Support/AArch64AttributeParser.h"
#include "llvm/Support/AMDGPUMetadata.h"
@@ -225,6 +227,8 @@ public:
void printArchSpecificInfo() override;
void printStackMap() const override;
void printMemtag() override;
+ void printSectionsAsSFrame(ArrayRef<std::string> Sections) override;
+
ArrayRef<uint8_t> getMemtagGlobalsSectionContents(uint64_t ExpectedAddr);
// Hash histogram shows statistics of how efficient the hash was for the
@@ -1083,26 +1087,25 @@ const EnumEntry<unsigned> ElfObjectFileType[] = {
};
const EnumEntry<unsigned> ElfOSABI[] = {
- {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
- {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
- {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
- {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
- {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
- {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
- {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
- {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
- {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
- {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
- {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
- {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
- {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
- {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
- {"AROS", "AROS", ELF::ELFOSABI_AROS},
- {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
- {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
- {"CUDA", "NVIDIA - CUDA", ELF::ELFOSABI_CUDA},
- {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
-};
+ {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
+ {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
+ {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
+ {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
+ {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
+ {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
+ {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
+ {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
+ {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
+ {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
+ {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
+ {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
+ {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
+ {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
+ {"AROS", "AROS", ELF::ELFOSABI_AROS},
+ {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
+ {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
+ {"CUDA", "NVIDIA - CUDA", ELF::ELFOSABI_CUDA},
+ {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}};
const EnumEntry<unsigned> AMDGPUElfOSABI[] = {
{"AMDGPU_HSA", "AMDGPU - HSA", ELF::ELFOSABI_AMDGPU_HSA},
@@ -1667,16 +1670,17 @@ const EnumEntry<unsigned> ElfHeaderAMDGPUFlagsABIVersion4[] = {
};
const EnumEntry<unsigned> ElfHeaderNVPTXFlags[] = {
- ENUM_ENT(EF_CUDA_SM20, "sm_20"), ENUM_ENT(EF_CUDA_SM21, "sm_21"),
- ENUM_ENT(EF_CUDA_SM30, "sm_30"), ENUM_ENT(EF_CUDA_SM32, "sm_32"),
- ENUM_ENT(EF_CUDA_SM35, "sm_35"), ENUM_ENT(EF_CUDA_SM37, "sm_37"),
- ENUM_ENT(EF_CUDA_SM50, "sm_50"), ENUM_ENT(EF_CUDA_SM52, "sm_52"),
- ENUM_ENT(EF_CUDA_SM53, "sm_53"), ENUM_ENT(EF_CUDA_SM60, "sm_60"),
- ENUM_ENT(EF_CUDA_SM61, "sm_61"), ENUM_ENT(EF_CUDA_SM62, "sm_62"),
- ENUM_ENT(EF_CUDA_SM70, "sm_70"), ENUM_ENT(EF_CUDA_SM72, "sm_72"),
- ENUM_ENT(EF_CUDA_SM75, "sm_75"), ENUM_ENT(EF_CUDA_SM80, "sm_80"),
- ENUM_ENT(EF_CUDA_SM86, "sm_86"), ENUM_ENT(EF_CUDA_SM87, "sm_87"),
- ENUM_ENT(EF_CUDA_SM89, "sm_89"), ENUM_ENT(EF_CUDA_SM90, "sm_90"),
+ ENUM_ENT(EF_CUDA_SM20, "sm_20"), ENUM_ENT(EF_CUDA_SM21, "sm_21"),
+ ENUM_ENT(EF_CUDA_SM30, "sm_30"), ENUM_ENT(EF_CUDA_SM32, "sm_32"),
+ ENUM_ENT(EF_CUDA_SM35, "sm_35"), ENUM_ENT(EF_CUDA_SM37, "sm_37"),
+ ENUM_ENT(EF_CUDA_SM50, "sm_50"), ENUM_ENT(EF_CUDA_SM52, "sm_52"),
+ ENUM_ENT(EF_CUDA_SM53, "sm_53"), ENUM_ENT(EF_CUDA_SM60, "sm_60"),
+ ENUM_ENT(EF_CUDA_SM61, "sm_61"), ENUM_ENT(EF_CUDA_SM62, "sm_62"),
+ ENUM_ENT(EF_CUDA_SM70, "sm_70"), ENUM_ENT(EF_CUDA_SM72, "sm_72"),
+ ENUM_ENT(EF_CUDA_SM75, "sm_75"), ENUM_ENT(EF_CUDA_SM80, "sm_80"),
+ ENUM_ENT(EF_CUDA_SM86, "sm_86"), ENUM_ENT(EF_CUDA_SM87, "sm_87"),
+ ENUM_ENT(EF_CUDA_SM89, "sm_89"), ENUM_ENT(EF_CUDA_SM90, "sm_90"),
+ ENUM_ENT(EF_CUDA_SM100, "sm_100"), ENUM_ENT(EF_CUDA_SM120, "sm_120"),
};
const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = {
@@ -3651,10 +3655,16 @@ template <class ELFT> void GNUELFDumper<ELFT>::printFileHeaders() {
else if (e.e_machine == EM_XTENSA)
ElfFlags = printFlags(e.e_flags, ArrayRef(ElfHeaderXtensaFlags),
unsigned(ELF::EF_XTENSA_MACH));
- else if (e.e_machine == EM_CUDA)
+ else if (e.e_machine == EM_CUDA) {
ElfFlags = printFlags(e.e_flags, ArrayRef(ElfHeaderNVPTXFlags),
unsigned(ELF::EF_CUDA_SM));
- else if (e.e_machine == EM_AMDGPU) {
+ if (e.e_ident[ELF::EI_ABIVERSION] == ELF::ELFABIVERSION_CUDA_V1 &&
+ (e.e_flags & ELF::EF_CUDA_ACCELERATORS_V1))
+ ElfFlags += "a";
+ else if (e.e_ident[ELF::EI_ABIVERSION] == ELF::ELFABIVERSION_CUDA_V2 &&
+ (e.e_flags & ELF::EF_CUDA_ACCELERATORS))
+ ElfFlags += "a";
+ } else if (e.e_machine == EM_AMDGPU) {
switch (e.e_ident[ELF::EI_ABIVERSION]) {
default:
break;
@@ -6429,6 +6439,61 @@ template <typename ELFT> void ELFDumper<ELFT>::printMemtag() {
printMemtag(DynamicEntries, AndroidNoteDesc, GlobalDescriptors);
}
+template <typename ELFT>
+void ELFDumper<ELFT>::printSectionsAsSFrame(ArrayRef<std::string> Sections) {
+ constexpr endianness E = ELFT::Endianness;
+ for (object::SectionRef Section :
+ getSectionRefsByNameOrIndex(ObjF, Sections)) {
+ // Validity of sections names checked in getSectionRefsByNameOrIndex.
+ StringRef SectionName = cantFail(Section.getName());
+
+ DictScope SectionScope(W,
+ formatv("SFrame section '{0}'", SectionName).str());
+
+ StringRef SectionContent;
+ if (Error Err = Section.getContents().moveInto(SectionContent)) {
+ reportWarning(std::move(Err), FileName);
+ continue;
+ }
+
+ Expected<object::SFrameParser<E>> Parser =
+ object::SFrameParser<E>::create(arrayRefFromStringRef(SectionContent));
+ if (!Parser) {
+ reportWarning(createError("invalid sframe section: " +
+ toString(Parser.takeError())),
+ FileName);
+ continue;
+ }
+
+ DictScope HeaderScope(W, "Header");
+
+ const sframe::Preamble<E> &Preamble = Parser->getPreamble();
+ W.printHex("Magic", Preamble.Magic.value());
+ W.printEnum("Version", Preamble.Version.value(), sframe::getVersions());
+ W.printFlags("Flags", Preamble.Flags.value(), sframe::getFlags());
+
+ const sframe::Header<E> &Header = Parser->getHeader();
+ W.printEnum("ABI", Header.ABIArch.value(), sframe::getABIs());
+
+ W.printNumber(("CFA fixed FP offset" +
+ Twine(Parser->usesFixedFPOffset() ? "" : " (unused)"))
+ .str(),
+ Header.CFAFixedFPOffset.value());
+
+ W.printNumber(("CFA fixed RA offset" +
+ Twine(Parser->usesFixedRAOffset() ? "" : " (unused)"))
+ .str(),
+ Header.CFAFixedRAOffset.value());
+
+ W.printNumber("Auxiliary header length", Header.AuxHdrLen.value());
+ W.printNumber("Num FDEs", Header.NumFDEs.value());
+ W.printNumber("Num FREs", Header.NumFREs.value());
+ W.printNumber("FRE subsection length", Header.FRELen.value());
+ W.printNumber("FDE subsection offset", Header.FDEOff.value());
+ W.printNumber("FRE subsection offset", Header.FREOff.value());
+ }
+}
+
template <class ELFT> void GNUELFDumper<ELFT>::printELFLinkerOptions() {
OS << "printELFLinkerOptions not implemented!\n";
}
diff --git a/llvm/tools/llvm-readobj/ObjDumper.cpp b/llvm/tools/llvm-readobj/ObjDumper.cpp
index 1a535ed..bd670ae 100644
--- a/llvm/tools/llvm-readobj/ObjDumper.cpp
+++ b/llvm/tools/llvm-readobj/ObjDumper.cpp
@@ -102,9 +102,9 @@ void ObjDumper::printFileSummary(StringRef FileStr, object::ObjectFile &Obj,
this->printLoadName();
}
-static std::vector<object::SectionRef>
-getSectionRefsByNameOrIndex(const object::ObjectFile &Obj,
- ArrayRef<std::string> Sections) {
+std::vector<object::SectionRef>
+ObjDumper::getSectionRefsByNameOrIndex(const object::ObjectFile &Obj,
+ ArrayRef<std::string> Sections) {
std::vector<object::SectionRef> Ret;
std::map<std::string, bool, std::less<>> SecNames;
std::map<unsigned, bool> SecIndices;
diff --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h
index a76afbe..1dc2966 100644
--- a/llvm/tools/llvm-readobj/ObjDumper.h
+++ b/llvm/tools/llvm-readobj/ObjDumper.h
@@ -139,6 +139,7 @@ public:
virtual void printSectionDetails() {}
virtual void printArchSpecificInfo() {}
virtual void printMemtag() {}
+ virtual void printSectionsAsSFrame(ArrayRef<std::string> Sections) {}
// Only implemented for PE/COFF.
virtual void printCOFFImports() { }
@@ -190,6 +191,10 @@ public:
protected:
ScopedPrinter &W;
+ static std::vector<object::SectionRef>
+ getSectionRefsByNameOrIndex(const object::ObjectFile &Obj,
+ ArrayRef<std::string> Sections);
+
private:
virtual void printSymbols(bool ExtraSymInfo) {}
virtual void printSymbols(std::optional<SymbolComparator> Comp) {}
diff --git a/llvm/tools/llvm-readobj/Opts.td b/llvm/tools/llvm-readobj/Opts.td
index f95461a..48d43cc 100644
--- a/llvm/tools/llvm-readobj/Opts.td
+++ b/llvm/tools/llvm-readobj/Opts.td
@@ -62,6 +62,8 @@ def memtag : FF<"memtag", "Display memory tagging metadata (modes, Android notes
def needed_libs : FF<"needed-libs", "Display the needed libraries">, Group<grp_elf>;
def notes : FF<"notes", "Display notes">, Group<grp_elf>;
def program_headers : FF<"program-headers", "Display program headers">, Group<grp_elf>;
+def sframe_EQ : Joined<["--"], "sframe=">, HelpText<"Display SFrame section <name>">, MetaVarName<"<name>">, Group<grp_elf>;
+def sframe: FF<"sframe", "Alias for --sframe=.sframe">, Alias<sframe_EQ>, AliasArgs<[".sframe"]>, Group<grp_elf>;
def version_info : FF<"version-info", "Display version sections">, Group<grp_elf>;
// Mach-O specific options.
diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 1231c02..4c84ed7 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -137,6 +137,7 @@ static bool NeededLibraries;
static bool Notes;
static bool ProgramHeaders;
static bool SectionGroups;
+static std::vector<std::string> SFrame;
static bool VersionInfo;
// Mach-O specific options.
@@ -275,6 +276,7 @@ static void parseOptions(const opt::InputArgList &Args) {
opts::PrettyPrint = Args.hasArg(OPT_pretty_print);
opts::ProgramHeaders = Args.hasArg(OPT_program_headers);
opts::SectionGroups = Args.hasArg(OPT_section_groups);
+ opts::SFrame = Args.getAllArgValues(OPT_sframe_EQ);
if (Arg *A = Args.getLastArg(OPT_sort_symbols_EQ)) {
for (StringRef KeyStr : llvm::split(A->getValue(), ",")) {
SortSymbolKeyTy KeyType = StringSwitch<SortSymbolKeyTy>(KeyStr)
@@ -478,6 +480,8 @@ static void dumpObject(ObjectFile &Obj, ScopedPrinter &Writer,
Dumper->printNotes();
if (opts::Memtag)
Dumper->printMemtag();
+ if (!opts::SFrame.empty())
+ Dumper->printSectionsAsSFrame(opts::SFrame);
}
if (Obj.isCOFF()) {
if (opts::COFFImports)
generated by cgit v1.1 at 2025-07-24 20:21:14 +0000