Index: include/llvm/DebugInfo/DIContext.h =================================================================== --- include/llvm/DebugInfo/DIContext.h +++ include/llvm/DebugInfo/DIContext.h @@ -152,6 +152,7 @@ DIDumpType DumpType = DIDT_All; bool DumpEH = false; bool SummarizeTypes = false; + bool Brief = false; }; class DIContext { Index: include/llvm/DebugInfo/DWARF/DWARFCompileUnit.h =================================================================== --- include/llvm/DebugInfo/DWARF/DWARFCompileUnit.h +++ include/llvm/DebugInfo/DWARF/DWARFCompileUnit.h @@ -29,7 +29,7 @@ // VTable anchor. ~DWARFCompileUnit() override; - void dump(raw_ostream &OS); + void dump(raw_ostream &OS, DIDumpOptions DumpOpts); static const DWARFSectionKind Section = DW_SECT_INFO; }; Index: include/llvm/DebugInfo/DWARF/DWARFDie.h =================================================================== --- include/llvm/DebugInfo/DWARF/DWARFDie.h +++ include/llvm/DebugInfo/DWARF/DWARFDie.h @@ -120,7 +120,7 @@ /// \param recurseDepth the depth to recurse to when dumping this DIE and its /// children. /// \param indent the number of characters to indent each line that is output. - void dump(raw_ostream &OS, unsigned recurseDepth, unsigned indent = 0) const; + void dump(raw_ostream &OS, unsigned recurseDepth, unsigned indent = 0, DIDumpOptions DumpOpts = DIDumpOptions()) const; /// Extract the specified attribute from this DIE. /// Index: lib/DebugInfo/DWARF/DWARFCompileUnit.cpp =================================================================== --- lib/DebugInfo/DWARF/DWARFCompileUnit.cpp +++ lib/DebugInfo/DWARF/DWARFCompileUnit.cpp @@ -15,7 +15,7 @@ using namespace llvm; -void DWARFCompileUnit::dump(raw_ostream &OS) { +void DWARFCompileUnit::dump(raw_ostream &OS, DIDumpOptions DumpOpts) { OS << format("0x%08x", getOffset()) << ": Compile Unit:" << " length = " << format("0x%08x", getLength()) << " version = " << format("0x%04x", getVersion()); @@ -27,7 +27,7 @@ << ")\n"; if (DWARFDie CUDie = getUnitDIE(false)) - CUDie.dump(OS, -1U); + CUDie.dump(OS, -1U, 0, DumpOpts); else OS << "\n\n"; } Index: lib/DebugInfo/DWARF/DWARFContext.cpp =================================================================== --- lib/DebugInfo/DWARF/DWARFContext.cpp +++ lib/DebugInfo/DWARF/DWARFContext.cpp @@ -104,14 +104,14 @@ if (DumpType == DIDT_All || DumpType == DIDT_Info) { OS << "\n.debug_info contents:\n"; for (const auto &CU : compile_units()) - CU->dump(OS); + CU->dump(OS, DumpOpts); } if ((DumpType == DIDT_All || DumpType == DIDT_InfoDwo) && getNumDWOCompileUnits()) { OS << "\n.debug_info.dwo contents:\n"; for (const auto &DWOCU : dwo_compile_units()) - DWOCU->dump(OS); + DWOCU->dump(OS, DumpOpts); } if ((DumpType == DIDT_All || DumpType == DIDT_Types) && getNumTypeUnits()) { Index: lib/DebugInfo/DWARF/DWARFDie.cpp =================================================================== --- lib/DebugInfo/DWARF/DWARFDie.cpp +++ lib/DebugInfo/DWARF/DWARFDie.cpp @@ -63,11 +63,11 @@ AddressSize*2, Range.LowPC, AddressSize*2, Range.HighPC); } -} +} static void dumpAttribute(raw_ostream &OS, const DWARFDie &Die, uint32_t *OffsetPtr, dwarf::Attribute Attr, - dwarf::Form Form, unsigned Indent) { + dwarf::Form Form, unsigned Indent, DIDumpOptions DumpOpts) { if (!Die.isValid()) return; const char BaseIndent[] = " "; @@ -79,11 +79,13 @@ else WithColor(OS, syntax::Attribute).get() << format("DW_AT_Unknown_%x", Attr); - auto formString = FormEncodingString(Form); - if (!formString.empty()) - OS << " [" << formString << ']'; - else - OS << format(" [DW_FORM_Unknown_%x]", Form); + if(!DumpOpts.Brief){ + auto formString = FormEncodingString(Form); + if (!formString.empty()) + OS << " [" << formString << ']'; + else + OS << format(" [DW_FORM_Unknown_%x]", Form); + } DWARFUnit *U = Die.getDwarfUnit(); DWARFFormValue formValue(Form); @@ -128,6 +130,7 @@ } OS << ")\n"; + } bool DWARFDie::isSubprogramDIE() const { @@ -301,8 +304,9 @@ CallDiscriminator = toUnsigned(find(DW_AT_GNU_discriminator), 0); } + void DWARFDie::dump(raw_ostream &OS, unsigned RecurseDepth, - unsigned Indent) const { + unsigned Indent, DIDumpOptions DumpOpts ) const { if (!isValid()) return; DataExtractor debug_info_data = U->getDebugInfoExtractor(); @@ -323,8 +327,10 @@ WithColor(OS, syntax::Tag).get().indent(Indent) << format("DW_TAG_Unknown_%x", getTag()); - OS << format(" [%u] %c\n", abbrCode, + if(!DumpOpts.Brief) + OS << format(" [%u] %c", abbrCode, AbbrevDecl->hasChildren() ? '*' : ' '); + OS << '\n'; // Dump all data in the DIE for the attributes. for (const auto &AttrSpec : AbbrevDecl->attributes()) { @@ -335,13 +341,13 @@ continue; } dumpAttribute(OS, *this, &offset, AttrSpec.Attr, AttrSpec.Form, - Indent); + Indent, DumpOpts); } DWARFDie child = getFirstChild(); if (RecurseDepth > 0 && child) { while (child) { - child.dump(OS, RecurseDepth-1, Indent+2); + child.dump(OS, RecurseDepth-1, Indent+2, DumpOpts); child = child.getSibling(); } } @@ -354,7 +360,65 @@ } } } +/* +void DWARFDie::dump(raw_ostream &OS, unsigned RecurseDepth, + unsigned Indent, DIDumpOptions DumpOpts) const { + if (!isValid()) + return; + DataExtractor debug_info_data = U->getDebugInfoExtractor(); + const uint32_t Offset = getOffset(); + uint32_t offset = Offset; + + if (debug_info_data.isValidOffset(offset)) { + uint32_t abbrCode = debug_info_data.getULEB128(&offset); + WithColor(OS, syntax::Address).get() << format("\n0x%8.8x: ", Offset); + + if (abbrCode) { + auto AbbrevDecl = getAbbreviationDeclarationPtr(); + if (AbbrevDecl) { + auto tagString = TagString(getTag()); + if (!tagString.empty()) + WithColor(OS, syntax::Tag).get().indent(Indent) << tagString; + else + WithColor(OS, syntax::Tag).get().indent(Indent) + << format("DW_TAG_Unknown_%x", getTag()); + + if(!DumpOpts.Brief){ + OS << format(" [%u] %c", abbrCode, + AbbrevDecl->hasChildren() ? '*' : ' '); + } + OS << '\n'; + + // Dump all data in the DIE for the attributes. + for (const auto &AttrSpec : AbbrevDecl->attributes()) { + if (AttrSpec.Form == DW_FORM_implicit_const) { + // We are dumping .debug_info section , + // implicit_const attribute values are not really stored here, + // but in .debug_abbrev section. So we just skip such attrs. + continue; + } + dumpAttribute(OS, *this, &offset, AttrSpec.Attr, AttrSpec.Form, + Indent, DumpOpts); + } + + DWARFDie child = getFirstChild(); + if (RecurseDepth > 0 && child) { + while (child) { + child.dump(OS, RecurseDepth-1, Indent+2, DumpOpts); + child = child.getSibling(); + } + } + } else { + OS << "Abbreviation code not found in 'debug_abbrev' class for code: " + << abbrCode << '\n'; + } + } else { + OS.indent(Indent) << "NULL\n"; + } + } +} +*/ DWARFDie DWARFDie::getParent() const { if (isValid()) return U->getParent(Die); Index: test/tools/llvm-dwarfdump/brief.s =================================================================== --- /dev/null +++ test/tools/llvm-dwarfdump/brief.s @@ -0,0 +1,128 @@ +# RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \ +# RUN: | llvm-dwarfdump -debug-dump=info -brief - \ +# RUN: | FileCheck %s + +# CHECK: DW_TAG_compile_unit +# CHECK-NOT: [{{[0-9]+}}] +# CHECK-NOT: DW_FORM + + .section __TEXT,__text,regular,pure_instructions + .section __DWARF,__debug_str,regular,debug +Linfo_string: + .asciz "basic.c" ## string offset=42 + .section __DWARF,__debug_loc,regular,debug +Lsection_debug_loc: + .section __DWARF,__debug_abbrev,regular,debug +Lsection_abbrev: + .byte 1 ## Abbreviation Code + .byte 17 ## DW_TAG_compile_unit + .byte 0 ## DW_CHILDREN_no + .byte 37 ## DW_AT_producer + .byte 14 ## DW_FORM_strp + .byte 19 ## DW_AT_language + .byte 5 ## DW_FORM_data2 + .byte 3 ## DW_AT_name + .byte 14 ## DW_FORM_strp + .byte 16 ## DW_AT_stmt_list + .byte 23 ## DW_FORM_sec_offset + .byte 27 ## DW_AT_comp_dir + .byte 14 ## DW_FORM_strp + .byte 0 ## EOM(1) + .byte 0 ## EOM(2) + .byte 0 ## EOM(3) + .section __DWARF,__debug_info,regular,debug +Lsection_info: +Lcu_begin0: + .long 26 ## Length of Unit + .short 4 ## DWARF version number +Lset0 = Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section + .long Lset0 + .byte 8 ## Address Size (in bytes) + .byte 1 ## Abbrev [1] 0xb:0x13 DW_TAG_compile_unit + .long 0 ## DW_AT_producer + .short 12 ## DW_AT_language + .long 42 ## DW_AT_name +Lset1 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list + .long Lset1 + .long 50 ## DW_AT_comp_dir + .section __DWARF,__debug_ranges,regular,debug +Ldebug_range: + .section __DWARF,__debug_macinfo,regular,debug +Ldebug_macinfo: +Lcu_macro_begin0: + .byte 0 ## End Of Macro List Mark + .section __DWARF,__apple_names,regular,debug +Lnames_begin: + .long 1212240712 ## Header Magic + .short 1 ## Header Version + .short 0 ## Header Hash Function + .long 1 ## Header Bucket Count + .long 0 ## Header Hash Count + .long 12 ## Header Data Length + .long 0 ## HeaderData Die Offset Base + .long 1 ## HeaderData Atom Count + .short 1 ## DW_ATOM_die_offset + .short 6 ## DW_FORM_data4 + .long -1 ## Bucket 0 + .section __DWARF,__apple_objc,regular,debug +Lobjc_begin: + .long 1212240712 ## Header Magic + .short 1 ## Header Version + .short 0 ## Header Hash Function + .long 1 ## Header Bucket Count + .long 0 ## Header Hash Count + .long 12 ## Header Data Length + .long 0 ## HeaderData Die Offset Base + .long 1 ## HeaderData Atom Count + .short 1 ## DW_ATOM_die_offset + .short 6 ## DW_FORM_data4 + .long -1 ## Bucket 0 + .section __DWARF,__apple_namespac,regular,debug +Lnamespac_begin: + .long 1212240712 ## Header Magic + .short 1 ## Header Version + .short 0 ## Header Hash Function + .long 1 ## Header Bucket Count + .long 0 ## Header Hash Count + .long 12 ## Header Data Length + .long 0 ## HeaderData Die Offset Base + .long 1 ## HeaderData Atom Count + .short 1 ## DW_ATOM_die_offset + .short 6 ## DW_FORM_data4 + .long -1 ## Bucket 0 + .section __DWARF,__apple_types,regular,debug +Ltypes_begin: + .long 1212240712 ## Header Magic + .short 1 ## Header Version + .short 0 ## Header Hash Function + .long 1 ## Header Bucket Count + .long 0 ## Header Hash Count + .long 20 ## Header Data Length + .long 0 ## HeaderData Die Offset Base + .long 3 ## HeaderData Atom Count + .short 1 ## DW_ATOM_die_offset + .short 6 ## DW_FORM_data4 + .short 3 ## DW_ATOM_die_tag + .short 5 ## DW_FORM_data2 + .short 4 ## DW_ATOM_type_flags + .short 11 ## DW_FORM_data1 + .long -1 ## Bucket 0 + .section __DWARF,__apple_exttypes,regular,debug +Lexttypes_begin: + .long 1212240712 ## Header Magic + .short 1 ## Header Version + .short 0 ## Header Hash Function + .long 1 ## Header Bucket Count + .long 0 ## Header Hash Count + .long 12 ## Header Data Length + .long 0 ## HeaderData Die Offset Base + .long 1 ## HeaderData Atom Count + .short 7 ## DW_ATOM_ext_types + .short 6 ## DW_FORM_data4 + .long -1 ## Bucket 0 + +.subsections_via_symbols + .section __DWARF,__debug_line,regular,debug +Lsection_line: +Lline_table_start0: + \ No newline at end of file Index: test/tools/llvm-dwarfdump/lit.local.cfg =================================================================== --- /dev/null +++ test/tools/llvm-dwarfdump/lit.local.cfg @@ -0,0 +1,2 @@ +if not 'X86' in config.root.targets: + config.unsupported = True Index: tools/llvm-dwarfdump/llvm-dwarfdump.cpp =================================================================== --- tools/llvm-dwarfdump/llvm-dwarfdump.cpp +++ tools/llvm-dwarfdump/llvm-dwarfdump.cpp @@ -83,6 +83,8 @@ static cl::opt Quiet("quiet", cl::desc("Use with -verify to not emit to STDOUT.")); +static cl::opt Brief("brief", cl::desc("Do not emit attribute forms.")); + static void error(StringRef Filename, std::error_code EC) { if (!EC) return; @@ -100,6 +102,7 @@ DIDumpOptions DumpOpts; DumpOpts.DumpType = DumpType; DumpOpts.SummarizeTypes = SummarizeTypes; + DumpOpts.Brief = Brief; DICtx->dump(outs(), DumpOpts); }