diff --git a/llvm/docs/CommandGuide/llvm-objcopy.rst b/llvm/docs/CommandGuide/llvm-objcopy.rst index 35d907fbe44d4..1c703f631ba0d 100644 --- a/llvm/docs/CommandGuide/llvm-objcopy.rst +++ b/llvm/docs/CommandGuide/llvm-objcopy.rst @@ -74,6 +74,12 @@ multiple file formats. For MachO objects, ``
`` must be formatted as ``,
``. +.. option:: --dump-offload-bundle= + + Dump the HIP Offload Bundle entry specified by the URI syntax given, into a + code object file. + + .. option:: --enable-deterministic-archives, -D Enable deterministic mode when copying archives, i.e. use 0 for archive member diff --git a/llvm/docs/CommandGuide/llvm-readobj.rst b/llvm/docs/CommandGuide/llvm-readobj.rst index 8bd29eafbbfcf..faaddb4699f7d 100644 --- a/llvm/docs/CommandGuide/llvm-readobj.rst +++ b/llvm/docs/CommandGuide/llvm-readobj.rst @@ -104,6 +104,10 @@ file formats. Do not demangle symbol names in the output. This option is only for ELF and XCOFF file formats. The option is enabled by default. +.. option:: --offloading + + Display list of HIP Offload bundles using URI syntax. + .. option:: --relocations, --relocs, -r Display the relocation entries in the file. diff --git a/llvm/include/llvm/ObjCopy/CommonConfig.h b/llvm/include/llvm/ObjCopy/CommonConfig.h index aea9cd6f9a9c7..61acf26c1fd9c 100644 --- a/llvm/include/llvm/ObjCopy/CommonConfig.h +++ b/llvm/include/llvm/ObjCopy/CommonConfig.h @@ -276,6 +276,8 @@ struct CommonConfig { bool StripUnneeded = false; bool Weaken = false; bool DecompressDebugSections = false; + bool DumpOffloadBundle = false; + bool NeedPositional = true; DebugCompressionType CompressionType = DebugCompressionType::None; diff --git a/llvm/include/llvm/Object/OffloadBundle.h b/llvm/include/llvm/Object/OffloadBundle.h index 207b4b9d713c5..ca25d4f9a42a7 100644 --- a/llvm/include/llvm/Object/OffloadBundle.h +++ b/llvm/include/llvm/Object/OffloadBundle.h @@ -160,7 +160,7 @@ struct OffloadBundleURI { OffsetStr.getAsInteger(10, O); Str = Str.drop_front(OffsetStr.size()); - if (Str.consume_front("&size=")) + if (!Str.consume_front("&size=")) return createStringError(object_error::parse_failed, "Reading 'size' in URI"); diff --git a/llvm/lib/ObjCopy/ELF/ELFObjcopy.cpp b/llvm/lib/ObjCopy/ELF/ELFObjcopy.cpp index f810bbf639300..5557427bc78f9 100644 --- a/llvm/lib/ObjCopy/ELF/ELFObjcopy.cpp +++ b/llvm/lib/ObjCopy/ELF/ELFObjcopy.cpp @@ -210,6 +210,27 @@ static Error dumpSectionToFile(StringRef SecName, StringRef Filename, "section '%s' not found", SecName.str().c_str()); } +static Error dumpRawDataURIToFile(StringRef Filename, int64_t Offset, + int64_t Size, ObjectFile &Obj) { + SmallString<2048> NameBuf; + raw_svector_ostream OutputFileName(NameBuf); + OutputFileName << Obj.getFileName().str() << "-offset" << Offset << "-size" + << Size << ".co"; + + Expected> BufferOrErr = + FileOutputBuffer::create(OutputFileName.str(), Size); + + if (!BufferOrErr) + return BufferOrErr.takeError(); + + MemoryBufferRef Input = Obj.getMemoryBufferRef(); + std::unique_ptr Buf = std::move(*BufferOrErr); + std::copy(Input.getBufferStart(), Input.getBufferStart() + Size, + Buf->getBufferStart()); + + return Buf->commit(); +} + Error Object::compressOrDecompressSections(const CommonConfig &Config) { // Build a list of sections we are going to replace. // We can't call `addSection` while iterating over sections, diff --git a/llvm/test/tools/llvm-objcopy/ELF/dump-offload-bundle.test b/llvm/test/tools/llvm-objcopy/ELF/dump-offload-bundle.test new file mode 100644 index 0000000000000..518cdace8e29c --- /dev/null +++ b/llvm/test/tools/llvm-objcopy/ELF/dump-offload-bundle.test @@ -0,0 +1,60 @@ +## Test that --offloading with a fatbin works correctly +# REQUIRES: target={{x86_64-.*-linux.*}} +# REQUIRES: amdgpu-registered-target + +# RUN: yaml2obj %s -o %t.elf +# RUN: llvm-objcopy --dump-offload-bundle=file://%t.elf#offset=8192\&size=4048 +# RUN: llvm-objdump -d %t.elf-offset8192-size4048.co | FileCheck %s + +# CHECK: s_load_dword s7, s[4:5], 0x24 // 000000001900: C00201C2 00000024 +# CHECK-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0 // 000000001908: C00A0002 00000000 +# CHECK-NEXT: v_mov_b32_e32 v1, 0 // 000000001910: 7E020280 +# CHECK-NEXT: s_waitcnt lgkmcnt(0) // 000000001914: BF8CC07F +# CHECK-NEXT: s_and_b32 s4, s7, 0xffff // 000000001918: 8604FF07 0000FFFF +# CHECK-NEXT: s_mul_i32 s6, s6, s4 // 000000001920: 92060406 +# CHECK-NEXT: v_add_u32_e32 v0, s6, v0 // 000000001924: 68000006 +# CHECK-NEXT: v_lshlrev_b64 v[0:1], 2, v[0:1] // 000000001928: D28F0000 00020082 +# CHECK-NEXT: v_mov_b32_e32 v3, s3 // 000000001930: 7E060203 +# CHECK-NEXT: v_add_co_u32_e32 v2, vcc, s2, v0 // 000000001934: 32040002 +# CHECK-NEXT: v_addc_co_u32_e32 v3, vcc, v3, v1, vcc // 000000001938: 38060303 +# CHECK-NEXT: global_load_dword v2, v[2:3], off // 00000000193C: DC508000 027F0002 +# CHECK-NEXT: v_mov_b32_e32 v3, s1 // 000000001944: 7E060201 +# CHECK-NEXT: v_add_co_u32_e32 v0, vcc, s0, v0 // 000000001948: 32000000 +# CHECK-NEXT: v_addc_co_u32_e32 v1, vcc, v3, v1, vcc // 00000000194C: 38020303 +# CHECK-NEXT: global_load_dword v3, v[0:1], off // 000000001950: DC508000 037F0000 +# CHECK-NEXT: s_waitcnt vmcnt(0) // 000000001958: BF8C0F70 +# CHECK-NEXT: v_add_u32_e32 v2, v3, v2 // 00000000195C: 68040503 +# CHECK-NEXT: global_store_dword v[0:1], v2, off // 000000001960: DC708000 007F0200 +# CHECK-NEXT: s_endpgm // 000000001968: BF810000 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_X86_64 + Entry: 0x2041B0 +ProgramHeaders: + - Type: PT_PHDR + Flags: [ PF_R ] + VAddr: 0x200040 + Align: 0x8 + Offset: 0x40 + - Type: PT_GNU_STACK + Flags: [ PF_W, PF_R ] + Align: 0x0 + Offset: 0x0 +Sections: + - Name: .hip_fatbin + Type: SHT_PROGBITS + Flags: [ SHF_ALLOC ] + Address: 0x201000 + AddressAlign: 0x1000 + Content: 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+ - Name: .hipFatBinSegment + Type: SHT_PROGBITS + Flags: [ SHF_ALLOC ] + Address: 0x202FD0 + AddressAlign: 0x8 + Content: '465049480100000000102000000000000000000000000000' +... diff --git a/llvm/test/tools/llvm-readobj/ELF/AMDGPU/offloading.test b/llvm/test/tools/llvm-readobj/ELF/AMDGPU/offloading.test new file mode 100644 index 0000000000000..9656172f2941c --- /dev/null +++ b/llvm/test/tools/llvm-readobj/ELF/AMDGPU/offloading.test @@ -0,0 +1,42 @@ +## Test that --offloading with a fatbin works correctly +# REQUIRES: target={{x86_64-.*-linux.*}} +# REQUIRES: amdgpu-registered-target + +# RUN: yaml2obj %s -o %t.elf +# RUN: llvm-readobj --offloading %t.elf > %t.out +# RUN: FileCheck %s --input-file=%t.out -DFILE_NAME=%t.elf + +# CHECK: host-x86_64-unknown-linux-- file://[[FILE_NAME]]#offset=8192&size=0 +# CHECK-NEXT: hipv4-amdgcn-amd-amdhsa--gfx908 file://[[FILE_NAME]]#offset=8192&size=4048 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_X86_64 + Entry: 0x2041B0 +ProgramHeaders: + - Type: PT_PHDR + Flags: [ PF_R ] + VAddr: 0x200040 + Align: 0x8 + Offset: 0x40 + - Type: PT_GNU_STACK + Flags: [ PF_W, PF_R ] + Align: 0x0 + Offset: 0x0 +Sections: + - Name: .hip_fatbin + Type: SHT_PROGBITS + Flags: [ SHF_ALLOC ] + Address: 0x201000 + AddressAlign: 0x1000 + Content: 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+ - Name: .hipFatBinSegment + Type: SHT_PROGBITS + Flags: [ SHF_ALLOC ] + Address: 0x202FD0 + AddressAlign: 0x8 + Content: '465049480100000000102000000000000000000000000000' +... diff --git a/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp b/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp index 0d209590655ef..94e79ca6491ae 100644 --- a/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp +++ b/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp @@ -16,6 +16,8 @@ #include "llvm/ObjCopy/ConfigManager.h" #include "llvm/ObjCopy/MachO/MachOConfig.h" #include "llvm/Object/Binary.h" +#include "llvm/Object/OffloadBinary.h" +#include "llvm/Object/OffloadBundle.h" #include "llvm/Option/Arg.h" #include "llvm/Option/ArgList.h" #include "llvm/Support/CRC.h" @@ -284,6 +286,11 @@ static Expected parseVisibilityType(StringRef VisType) { return type; } +static void llvm::objcopy::parseDumpOffloadBundle(StringRef URI) { + if (Error Err = object::extractOffloadBundleByURI(URI)) + outs() << "Failed to extract from URI."; +} + namespace { struct TargetInfo { FileFormat Format; @@ -727,6 +734,15 @@ objcopy::parseObjcopyOptions(ArrayRef ArgsArr, SmallVector Positional; + ConfigManager ConfigMgr; + CommonConfig &Config = ConfigMgr.Common; + COFFConfig &COFFConfig = ConfigMgr.COFF; + ELFConfig &ELFConfig = ConfigMgr.ELF; + MachOConfig &MachOConfig = ConfigMgr.MachO; + + if (InputArgs.hasArg(OBJCOPY_dump_offload_bundle)) + Config.NeedPositional = false; + for (auto *Arg : InputArgs.filtered(OBJCOPY_UNKNOWN)) return createStringError(errc::invalid_argument, "unknown argument '%s'", Arg->getAsString(InputArgs).c_str()); @@ -734,27 +750,29 @@ objcopy::parseObjcopyOptions(ArrayRef ArgsArr, for (auto *Arg : InputArgs.filtered(OBJCOPY_INPUT)) Positional.push_back(Arg->getValue()); - if (Positional.empty()) + if (Positional.empty() && Config.NeedPositional) return createStringError(errc::invalid_argument, "no input file specified"); - if (Positional.size() > 2) + if (Positional.size() > 2 && Config.NeedPositional) return createStringError(errc::invalid_argument, "too many positional arguments"); - ConfigManager ConfigMgr; - CommonConfig &Config = ConfigMgr.Common; - COFFConfig &COFFConfig = ConfigMgr.COFF; - ELFConfig &ELFConfig = ConfigMgr.ELF; - MachOConfig &MachOConfig = ConfigMgr.MachO; - Config.InputFilename = Positional[0]; - Config.OutputFilename = Positional[Positional.size() == 1 ? 0 : 1]; - if (InputArgs.hasArg(OBJCOPY_target) && - (InputArgs.hasArg(OBJCOPY_input_target) || - InputArgs.hasArg(OBJCOPY_output_target))) - return createStringError( - errc::invalid_argument, - "--target cannot be used with --input-target or --output-target"); + if (Arg *A = InputArgs.getLastArg(OBJCOPY_dump_offload_bundle)) { + for (StringRef URIStr : llvm::split(A->getValue(), ",")) { + llvm::objcopy::parseDumpOffloadBundle(URIStr); + } + } + if (Config.NeedPositional) { + Config.InputFilename = Positional[0]; + Config.OutputFilename = Positional[Positional.size() == 1 ? 0 : 1]; + if (InputArgs.hasArg(OBJCOPY_target) && + (InputArgs.hasArg(OBJCOPY_input_target) || + InputArgs.hasArg(OBJCOPY_output_target))) + return createStringError( + errc::invalid_argument, + "--target cannot be used with --input-target or --output-target"); + } if (InputArgs.hasArg(OBJCOPY_regex) && InputArgs.hasArg(OBJCOPY_wildcard)) return createStringError(errc::invalid_argument, "--regex and --wildcard are incompatible"); @@ -1417,25 +1435,26 @@ objcopy::parseInstallNameToolOptions(ArrayRef ArgsArr) { Arg->getAsString(InputArgs).c_str()); for (auto *Arg : InputArgs.filtered(INSTALL_NAME_TOOL_INPUT)) Positional.push_back(Arg->getValue()); - if (Positional.empty()) + if (Positional.empty() && Config.NeedPositional) return createStringError(errc::invalid_argument, "no input file specified"); - if (Positional.size() > 1) + if (Positional.size() > 1 && Config.NeedPositional) return createStringError( errc::invalid_argument, "llvm-install-name-tool expects a single input file"); - Config.InputFilename = Positional[0]; - Config.OutputFilename = Positional[0]; - - Expected> BinaryOrErr = - createBinary(Config.InputFilename); - if (!BinaryOrErr) - return createFileError(Config.InputFilename, BinaryOrErr.takeError()); - auto *Binary = (*BinaryOrErr).getBinary(); - if (!Binary->isMachO() && !Binary->isMachOUniversalBinary()) - return createStringError(errc::invalid_argument, - "input file: %s is not a Mach-O file", - Config.InputFilename.str().c_str()); - + if (Config.NeedPositional) { + Config.InputFilename = Positional[0]; + Config.OutputFilename = Positional[0]; + + Expected> BinaryOrErr = + createBinary(Config.InputFilename); + if (!BinaryOrErr) + return createFileError(Config.InputFilename, BinaryOrErr.takeError()); + auto *Binary = (*BinaryOrErr).getBinary(); + if (!Binary->isMachO() && !Binary->isMachOUniversalBinary()) + return createStringError(errc::invalid_argument, + "input file: %s is not a Mach-O file", + Config.InputFilename.str().c_str()); + } DC.CopyConfigs.push_back(std::move(ConfigMgr)); return std::move(DC); } @@ -1474,13 +1493,16 @@ objcopy::parseBitcodeStripOptions(ArrayRef ArgsArr, Arg->getAsString(InputArgs).c_str()); SmallVector Positional; - for (auto *Arg : InputArgs.filtered(BITCODE_STRIP_INPUT)) - Positional.push_back(Arg->getValue()); - if (Positional.size() > 1) - return createStringError(errc::invalid_argument, - "llvm-bitcode-strip expects a single input file"); - assert(!Positional.empty()); - Config.InputFilename = Positional[0]; + if (Config.NeedPositional) { + for (auto *Arg : InputArgs.filtered(BITCODE_STRIP_INPUT)) + Positional.push_back(Arg->getValue()); + if (Positional.size() > 1) + return createStringError( + errc::invalid_argument, + "llvm-bitcode-strip expects a single input file"); + assert(!Positional.empty()); + Config.InputFilename = Positional[0]; + } if (!InputArgs.hasArg(BITCODE_STRIP_output)) { return createStringError(errc::invalid_argument, @@ -1542,27 +1564,31 @@ objcopy::parseStripOptions(ArrayRef RawArgsArr, exit(0); } - SmallVector Positional; - for (auto *Arg : InputArgs.filtered(STRIP_UNKNOWN)) - return createStringError(errc::invalid_argument, "unknown argument '%s'", - Arg->getAsString(InputArgs).c_str()); - for (auto *Arg : InputArgs.filtered(STRIP_INPUT)) - Positional.push_back(Arg->getValue()); - std::copy(DashDash, RawArgsArr.end(), std::back_inserter(Positional)); - - if (Positional.empty()) - return createStringError(errc::invalid_argument, "no input file specified"); - - if (Positional.size() > 1 && InputArgs.hasArg(STRIP_output)) - return createStringError( - errc::invalid_argument, - "multiple input files cannot be used in combination with -o"); - ConfigManager ConfigMgr; CommonConfig &Config = ConfigMgr.Common; ELFConfig &ELFConfig = ConfigMgr.ELF; MachOConfig &MachOConfig = ConfigMgr.MachO; + SmallVector Positional; + if (Config.NeedPositional) { + for (auto *Arg : InputArgs.filtered(STRIP_UNKNOWN)) + return createStringError(errc::invalid_argument, "unknown argument '%s'", + Arg->getAsString(InputArgs).c_str()); + for (auto *Arg : InputArgs.filtered(STRIP_INPUT)) + Positional.push_back(Arg->getValue()); + std::copy(DashDash, RawArgsArr.end(), std::back_inserter(Positional)); + + if (Positional.empty()) + return createStringError(errc::invalid_argument, + "no input file specified"); + + if (Positional.size() > 1 && InputArgs.hasArg(STRIP_output)) { + return createStringError( + errc::invalid_argument, + "multiple input files cannot be used in combination with -o"); + } + } + if (InputArgs.hasArg(STRIP_regex) && InputArgs.hasArg(STRIP_wildcard)) return createStringError(errc::invalid_argument, "--regex and --wildcard are incompatible"); diff --git a/llvm/tools/llvm-objcopy/ObjcopyOptions.h b/llvm/tools/llvm-objcopy/ObjcopyOptions.h index 3b8878981da47..72b2171e0a477 100644 --- a/llvm/tools/llvm-objcopy/ObjcopyOptions.h +++ b/llvm/tools/llvm-objcopy/ObjcopyOptions.h @@ -51,6 +51,11 @@ parseBitcodeStripOptions(ArrayRef ArgsArr, Expected parseStripOptions(ArrayRef ArgsArr, llvm::function_ref ErrorCallback); + +// parseDumpURI reads a URI as a string, and extracts the raw memory into a +// code object file named from the URI string given +static void parseDumpOffloadBundle(StringRef URI); + } // namespace objcopy } // namespace llvm diff --git a/llvm/tools/llvm-objcopy/ObjcopyOpts.td b/llvm/tools/llvm-objcopy/ObjcopyOpts.td index fbc6a59d9461e..c6216a6b8a627 100644 --- a/llvm/tools/llvm-objcopy/ObjcopyOpts.td +++ b/llvm/tools/llvm-objcopy/ObjcopyOpts.td @@ -239,6 +239,9 @@ defm dump_section : Eq<"dump-section", "Dump contents of section named
into file ">, MetaVarName<"section=file">; + +defm dump_offload_bundle : Eq<"dump-offload-bundle", "Dump the contents specified by URI">; + defm prefix_symbols : Eq<"prefix-symbols", "Add to the start of every symbol name">, MetaVarName<"prefix">; diff --git a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp index ad67b673b2cc7..7d6395e98c2c2 100644 --- a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp +++ b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp @@ -124,88 +124,89 @@ static Error executeObjcopyOnRawBinary(ConfigManager &ConfigMgr, static Error executeObjcopy(ConfigManager &ConfigMgr) { CommonConfig &Config = ConfigMgr.Common; - Expected PermsApplierOrErr = - FilePermissionsApplier::create(Config.InputFilename); - if (!PermsApplierOrErr) - return PermsApplierOrErr.takeError(); - - std::function ObjcopyFunc; - - OwningBinary BinaryHolder; - std::unique_ptr MemoryBufferHolder; - - if (Config.InputFormat == FileFormat::Binary || - Config.InputFormat == FileFormat::IHex) { - ErrorOr> BufOrErr = - MemoryBuffer::getFileOrSTDIN(Config.InputFilename); - if (!BufOrErr) - return createFileError(Config.InputFilename, BufOrErr.getError()); - MemoryBufferHolder = std::move(*BufOrErr); - - if (Config.InputFormat == FileFormat::Binary) - ObjcopyFunc = [&](raw_ostream &OutFile) -> Error { - // Handle FileFormat::Binary. - return executeObjcopyOnRawBinary(ConfigMgr, *MemoryBufferHolder, - OutFile); - }; - else - ObjcopyFunc = [&](raw_ostream &OutFile) -> Error { - // Handle FileFormat::IHex. - return executeObjcopyOnIHex(ConfigMgr, *MemoryBufferHolder, OutFile); - }; - } else { - Expected> BinaryOrErr = - createBinary(Config.InputFilename); - if (!BinaryOrErr) - return createFileError(Config.InputFilename, BinaryOrErr.takeError()); - BinaryHolder = std::move(*BinaryOrErr); - - if (Archive *Ar = dyn_cast(BinaryHolder.getBinary())) { - // Handle Archive. - if (Error E = executeObjcopyOnArchive(ConfigMgr, *Ar)) - return E; + if (Config.NeedPositional) { + Expected PermsApplierOrErr = + FilePermissionsApplier::create(Config.InputFilename); + if (!PermsApplierOrErr) + return PermsApplierOrErr.takeError(); + + std::function ObjcopyFunc; + + OwningBinary BinaryHolder; + std::unique_ptr MemoryBufferHolder; + + if (Config.InputFormat == FileFormat::Binary || + Config.InputFormat == FileFormat::IHex) { + ErrorOr> BufOrErr = + MemoryBuffer::getFileOrSTDIN(Config.InputFilename); + if (!BufOrErr) + return createFileError(Config.InputFilename, BufOrErr.getError()); + MemoryBufferHolder = std::move(*BufOrErr); + + if (Config.InputFormat == FileFormat::Binary) { + ObjcopyFunc = [&](raw_ostream &OutFile) -> Error { + // Handle FileFormat::Binary. + return executeObjcopyOnRawBinary(ConfigMgr, *MemoryBufferHolder, + OutFile); + }; + } else + ObjcopyFunc = [&](raw_ostream &OutFile) -> Error { + // Handle FileFormat::IHex. + return executeObjcopyOnIHex(ConfigMgr, *MemoryBufferHolder, OutFile); + }; } else { - // Handle llvm::object::Binary. - ObjcopyFunc = [&](raw_ostream &OutFile) -> Error { - return executeObjcopyOnBinary(ConfigMgr, *BinaryHolder.getBinary(), - OutFile); - }; + Expected> BinaryOrErr = + createBinary(Config.InputFilename); + if (!BinaryOrErr) + return createFileError(Config.InputFilename, BinaryOrErr.takeError()); + BinaryHolder = std::move(*BinaryOrErr); + + if (Archive *Ar = dyn_cast(BinaryHolder.getBinary())) { + // Handle Archive. + if (Error E = executeObjcopyOnArchive(ConfigMgr, *Ar)) + return E; + } else { + // Handle llvm::object::Binary. + ObjcopyFunc = [&](raw_ostream &OutFile) -> Error { + return executeObjcopyOnBinary(ConfigMgr, *BinaryHolder.getBinary(), + OutFile); + }; + } } - } - if (ObjcopyFunc) { - if (Config.SplitDWO.empty()) { - // Apply transformations described by Config and store result into - // Config.OutputFilename using specified ObjcopyFunc function. - if (Error E = writeToOutput(Config.OutputFilename, ObjcopyFunc)) - return E; - } else { - Config.ExtractDWO = true; - Config.StripDWO = false; - // Copy .dwo tables from the Config.InputFilename into Config.SplitDWO - // file using specified ObjcopyFunc function. - if (Error E = writeToOutput(Config.SplitDWO, ObjcopyFunc)) - return E; - Config.ExtractDWO = false; - Config.StripDWO = true; - // Apply transformations described by Config, remove .dwo tables and - // store result into Config.OutputFilename using specified ObjcopyFunc - // function. - if (Error E = writeToOutput(Config.OutputFilename, ObjcopyFunc)) - return E; + if (ObjcopyFunc) { + if (Config.SplitDWO.empty()) { + // Apply transformations described by Config and store result into + // Config.OutputFilename using specified ObjcopyFunc function. + if (Error E = writeToOutput(Config.OutputFilename, ObjcopyFunc)) + return E; + } else { + Config.ExtractDWO = true; + Config.StripDWO = false; + // Copy .dwo tables from the Config.InputFilename into Config.SplitDWO + // file using specified ObjcopyFunc function. + if (Error E = writeToOutput(Config.SplitDWO, ObjcopyFunc)) + return E; + Config.ExtractDWO = false; + Config.StripDWO = true; + // Apply transformations described by Config, remove .dwo tables and + // store result into Config.OutputFilename using specified ObjcopyFunc + // function. + if (Error E = writeToOutput(Config.OutputFilename, ObjcopyFunc)) + return E; + } } - } - - if (Error E = - PermsApplierOrErr->apply(Config.OutputFilename, Config.PreserveDates)) - return E; - if (!Config.SplitDWO.empty()) - if (Error E = - PermsApplierOrErr->apply(Config.SplitDWO, Config.PreserveDates, - static_cast(0666))) + if (Error E = PermsApplierOrErr->apply(Config.OutputFilename, + Config.PreserveDates)) return E; + if (!Config.SplitDWO.empty()) + if (Error E = + PermsApplierOrErr->apply(Config.SplitDWO, Config.PreserveDates, + static_cast(0666))) + return E; + } return Error::success(); } diff --git a/llvm/tools/llvm-readobj/ObjDumper.cpp b/llvm/tools/llvm-readobj/ObjDumper.cpp index d3c613ee823ba..326e6a41531aa 100644 --- a/llvm/tools/llvm-readobj/ObjDumper.cpp +++ b/llvm/tools/llvm-readobj/ObjDumper.cpp @@ -16,6 +16,8 @@ #include "llvm/Object/Archive.h" #include "llvm/Object/Decompressor.h" #include "llvm/Object/ObjectFile.h" +#include "llvm/Object/OffloadBinary.h" +#include "llvm/Object/OffloadBundle.h" #include "llvm/Support/Error.h" #include "llvm/Support/FormatVariadic.h" #include "llvm/Support/ScopedPrinter.h" @@ -230,4 +232,21 @@ void ObjDumper::printSectionsAsHex(const object::ObjectFile &Obj, } } +// TODO: add proper error handling. +void ObjDumper::printOffloading(const object::ObjectFile &Obj) { + // we can use an argument to let user select which offloading section they + // want to print. but for now, we're hardcoding ELF and "hip_fatbin". + assert((Obj.isELF() || Obj.isCOFF()) && "Invalid file type"); + + SmallVector Bundles; + if (Error Err = llvm::object::extractOffloadBundleFatBinary(Obj, Bundles)) + reportWarning(createError("Cannot extract Fatbin Binary from Object."), + Obj.getFileName()); + + // Print out all the FatBin Bundles that are contained in this buffer. + for (const auto &[Index, Bundle] : llvm::enumerate(Bundles)) { + Bundle.printEntriesAsURI(); + } +} + } // namespace llvm diff --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h index cd744e3bbfb71..aaa294c3c3f25 100644 --- a/llvm/tools/llvm-readobj/ObjDumper.h +++ b/llvm/tools/llvm-readobj/ObjDumper.h @@ -16,6 +16,7 @@ #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/StringRef.h" #include "llvm/Object/ObjectFile.h" +#include "llvm/Object/OffloadBinary.h" #include "llvm/Support/CommandLine.h" #include @@ -184,6 +185,7 @@ class ObjDumper { std::function WarningHandler; void reportUniqueWarning(Error Err) const; void reportUniqueWarning(const Twine &Msg) const; + void printOffloading(const object::ObjectFile &Obj); protected: ScopedPrinter &W; diff --git a/llvm/tools/llvm-readobj/Opts.td b/llvm/tools/llvm-readobj/Opts.td index 7d574d875d22e..df681555ea9e1 100644 --- a/llvm/tools/llvm-readobj/Opts.td +++ b/llvm/tools/llvm-readobj/Opts.td @@ -64,6 +64,9 @@ def notes : FF<"notes", "Display notes">, Group; def program_headers : FF<"program-headers", "Display program headers">, Group; def version_info : FF<"version-info", "Display version sections">, Group; +def offloading : Flag<["--"], "offloading">, + HelpText<"Display the content of the offloading section">; + // Mach-O specific options. def grp_mach_o : OptionGroup<"kind">, HelpText<"OPTIONS (Mach-O specific)">; def macho_data_in_code : FF<"macho-data-in-code", "Display Data in Code command">, Group; diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp index 1231c02035d1f..73c0ff8d7650b 100644 --- a/llvm/tools/llvm-readobj/llvm-readobj.cpp +++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp @@ -138,6 +138,7 @@ static bool Notes; static bool ProgramHeaders; static bool SectionGroups; static bool VersionInfo; +static bool Offloading; // Mach-O specific options. static bool MachODataInCode; @@ -288,6 +289,7 @@ static void parseOptions(const opt::InputArgList &Args) { } } opts::VersionInfo = Args.hasArg(OPT_version_info); + opts::Offloading = Args.hasArg(OPT_offloading); // Mach-O specific options. opts::MachODataInCode = Args.hasArg(OPT_macho_data_in_code); @@ -455,6 +457,8 @@ static void dumpObject(ObjectFile &Obj, ScopedPrinter &Writer, Dumper->printGnuHashTable(); if (opts::VersionInfo) Dumper->printVersionInfo(); + if (opts::Offloading) + Dumper->printOffloading(Obj); if (opts::StringTable) Dumper->printStringTable(); if (Obj.isELF()) { @@ -699,6 +703,7 @@ int llvm_readobj_main(int argc, char **argv, const llvm::ToolContext &) { opts::DynamicTable = true; opts::Notes = true; opts::VersionInfo = true; + opts::Offloading = true; opts::UnwindInfo = true; opts::SectionGroups = true; opts::HashHistogram = true;