Author: jankratochvil Date: Sun Apr 29 12:47:48 2018 New Revision: 331148 URL: http://llvm.org/viewvc/llvm-project?rev=331148&view=rev Log: Support reading section ".gnu_debugaltlink"
Differential revision: https://reviews.llvm.org/D40468 Added: lldb/trunk/lit/Modules/dwarf-gnu-debugaltlink.yaml Modified: lldb/trunk/include/lldb/Core/Section.h lldb/trunk/include/lldb/lldb-enumerations.h lldb/trunk/lit/Modules/build-id-case.yaml lldb/trunk/lit/Modules/compressed-sections.yaml lldb/trunk/source/Core/Section.cpp lldb/trunk/source/Expression/IRExecutionUnit.cpp lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h lldb/trunk/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp lldb/trunk/source/Symbol/ObjectFile.cpp lldb/trunk/tools/lldb-test/lldb-test.cpp Modified: lldb/trunk/include/lldb/Core/Section.h URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Core/Section.h?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/include/lldb/Core/Section.h (original) +++ lldb/trunk/include/lldb/Core/Section.h Sun Apr 29 12:47:48 2018 @@ -182,6 +182,8 @@ public: lldb::SectionType GetType() const { return m_type; } + const char *GetTypeAsCString() const; + lldb::SectionSP GetParent() const { return m_parent_wp.lock(); } bool IsThreadSpecific() const { return m_thread_specific; } Modified: lldb/trunk/include/lldb/lldb-enumerations.h URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/lldb-enumerations.h?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/include/lldb/lldb-enumerations.h (original) +++ lldb/trunk/include/lldb/lldb-enumerations.h Sun Apr 29 12:47:48 2018 @@ -656,6 +656,7 @@ enum SectionType { eSectionTypeGoSymtab, eSectionTypeAbsoluteAddress, // Dummy section for symbols with absolute // address + eSectionTypeDWARFGNUDebugAltLink, eSectionTypeOther }; Modified: lldb/trunk/lit/Modules/build-id-case.yaml URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lit/Modules/build-id-case.yaml?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/lit/Modules/build-id-case.yaml (original) +++ lldb/trunk/lit/Modules/build-id-case.yaml Sun Apr 29 12:47:48 2018 @@ -5,6 +5,7 @@ # RUN: lldb-test module-sections %t/stripped.out | FileCheck %s # CHECK: Name: .debug_frame +# CHECK-NEXT: Type: dwarf-frame # CHECK-NEXT: VM size: 0 # CHECK-NEXT: File size: 8 Modified: lldb/trunk/lit/Modules/compressed-sections.yaml URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lit/Modules/compressed-sections.yaml?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/lit/Modules/compressed-sections.yaml (original) +++ lldb/trunk/lit/Modules/compressed-sections.yaml Sun Apr 29 12:47:48 2018 @@ -18,12 +18,14 @@ Sections: Content: deadbeefbaadf00d # CHECK: Name: .hello_elf +# CHECK-NEXT: Type: regular # CHECK-NEXT: VM size: 0 # CHECK-NEXT: File size: 28 # CHECK-NEXT: Data: # CHECK-NEXT: 20304050 60708090 # CHECK: Name: .bogus +# CHECK-NEXT: Type: regular # CHECK-NEXT: VM size: 0 # CHECK-NEXT: File size: 8 # CHECK-NEXT: Data: Added: lldb/trunk/lit/Modules/dwarf-gnu-debugaltlink.yaml URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lit/Modules/dwarf-gnu-debugaltlink.yaml?rev=331148&view=auto ============================================================================== --- lldb/trunk/lit/Modules/dwarf-gnu-debugaltlink.yaml (added) +++ lldb/trunk/lit/Modules/dwarf-gnu-debugaltlink.yaml Sun Apr 29 12:47:48 2018 @@ -0,0 +1,25 @@ +# RUN: yaml2obj %s > %t +# RUN: lldb-test module-sections %t | FileCheck %s + +# CHECK: Name: .gnu_debugaltlink +# CHECK-NEXT: Type: dwarf-gnu-debugaltlink +# CHECK-NEXT: VM size: 0 +# CHECK-NEXT: File size: 8 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 + Entry: 0x00000000000007A0 +Sections: + - Name: .debug_info + Type: SHT_PROGBITS + AddressAlign: 0x0000000000000001 + Content: DEADBEEFBAADF00D + - Name: .gnu_debugaltlink + Type: SHT_PROGBITS + AddressAlign: 0x0000000000000001 + Content: DEADBEEFBAADF00D +... Modified: lldb/trunk/source/Core/Section.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Core/Section.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Core/Section.cpp (original) +++ lldb/trunk/source/Core/Section.cpp Sun Apr 29 12:47:48 2018 @@ -27,8 +27,8 @@ class DataExtractor; using namespace lldb; using namespace lldb_private; -static const char *GetSectionTypeAsCString(lldb::SectionType sect_type) { - switch (sect_type) { +const char *Section::GetTypeAsCString() const { + switch (m_type) { case eSectionTypeInvalid: return "invalid"; case eSectionTypeCode: @@ -117,6 +117,8 @@ static const char *GetSectionTypeAsCStri return "go-symtab"; case eSectionTypeAbsoluteAddress: return "absolute"; + case eSectionTypeDWARFGNUDebugAltLink: + return "dwarf-gnu-debugaltlink"; case eSectionTypeOther: return "regular"; } @@ -283,8 +285,7 @@ int Section::Compare(const Section &a, c void Section::Dump(Stream *s, Target *target, uint32_t depth) const { // s->Printf("%.*p: ", (int)sizeof(void*) * 2, this); s->Indent(); - s->Printf("0x%8.8" PRIx64 " %-16s ", GetID(), - GetSectionTypeAsCString(m_type)); + s->Printf("0x%8.8" PRIx64 " %-16s ", GetID(), GetTypeAsCString()); bool resolved = true; addr_t addr = LLDB_INVALID_ADDRESS; Modified: lldb/trunk/source/Expression/IRExecutionUnit.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Expression/IRExecutionUnit.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Expression/IRExecutionUnit.cpp (original) +++ lldb/trunk/source/Expression/IRExecutionUnit.cpp Sun Apr 29 12:47:48 2018 @@ -1100,6 +1100,7 @@ bool IRExecutionUnit::CommitOneAllocatio case lldb::eSectionTypeDWARFAppleTypes: case lldb::eSectionTypeDWARFAppleNamespaces: case lldb::eSectionTypeDWARFAppleObjC: + case lldb::eSectionTypeDWARFGNUDebugAltLink: error.Clear(); break; default: Modified: lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp (original) +++ lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp Sun Apr 29 12:47:48 2018 @@ -1823,6 +1823,7 @@ void ObjectFileELF::CreateSections(Secti static ConstString g_sect_name_arm_exidx(".ARM.exidx"); static ConstString g_sect_name_arm_extab(".ARM.extab"); static ConstString g_sect_name_go_symtab(".gosymtab"); + static ConstString g_sect_name_dwarf_gnu_debugaltlink(".gnu_debugaltlink"); SectionType sect_type = eSectionTypeOther; @@ -1913,6 +1914,8 @@ void ObjectFileELF::CreateSections(Secti sect_type = eSectionTypeARMextab; else if (name == g_sect_name_go_symtab) sect_type = eSectionTypeGoSymtab; + else if (name == g_sect_name_dwarf_gnu_debugaltlink) + sect_type = eSectionTypeDWARFGNUDebugAltLink; const uint32_t permissions = ((header.sh_flags & SHF_ALLOC) ? ePermissionsReadable : 0u) | Modified: lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp (original) +++ lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp Sun Apr 29 12:47:48 2018 @@ -1212,6 +1212,7 @@ AddressClass ObjectFileMachO::GetAddress case eSectionTypeDWARFAppleTypes: case eSectionTypeDWARFAppleNamespaces: case eSectionTypeDWARFAppleObjC: + case eSectionTypeDWARFGNUDebugAltLink: return eAddressClassDebug; case eSectionTypeEHFrame: Modified: lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp (original) +++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp Sun Apr 29 12:47:48 2018 @@ -682,6 +682,11 @@ const DWARFDataExtractor &SymbolFileDWAR return GetCachedSectionData(eSectionTypeDWARFAppleObjC, m_data_apple_objc); } +const DWARFDataExtractor &SymbolFileDWARF::get_gnu_debugaltlink() { + return GetCachedSectionData(eSectionTypeDWARFGNUDebugAltLink, + m_data_gnu_debugaltlink); +} + DWARFDebugAbbrev *SymbolFileDWARF::DebugAbbrev() { if (m_abbr.get() == NULL) { const DWARFDataExtractor &debug_abbrev_data = get_debug_abbrev_data(); Modified: lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h (original) +++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h Sun Apr 29 12:47:48 2018 @@ -250,6 +250,7 @@ public: const lldb_private::DWARFDataExtractor &get_apple_types_data(); const lldb_private::DWARFDataExtractor &get_apple_namespaces_data(); const lldb_private::DWARFDataExtractor &get_apple_objc_data(); + const lldb_private::DWARFDataExtractor &get_gnu_debugaltlink(); DWARFDebugAbbrev *DebugAbbrev(); @@ -495,6 +496,7 @@ protected: DWARFDataSegment m_data_apple_types; DWARFDataSegment m_data_apple_namespaces; DWARFDataSegment m_data_apple_objc; + DWARFDataSegment m_data_gnu_debugaltlink; // The unique pointer items below are generated on demand if and when someone // accesses Modified: lldb/trunk/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp (original) +++ lldb/trunk/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp Sun Apr 29 12:47:48 2018 @@ -134,7 +134,7 @@ SymbolVendorELF::CreateInstance(const ll eSectionTypeDWARFDebugMacInfo, eSectionTypeDWARFDebugPubNames, eSectionTypeDWARFDebugPubTypes, eSectionTypeDWARFDebugRanges, eSectionTypeDWARFDebugStr, eSectionTypeDWARFDebugStrOffsets, - eSectionTypeELFSymbolTable, + eSectionTypeELFSymbolTable, eSectionTypeDWARFGNUDebugAltLink, }; for (size_t idx = 0; idx < sizeof(g_sections) / sizeof(g_sections[0]); ++idx) { Modified: lldb/trunk/source/Symbol/ObjectFile.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Symbol/ObjectFile.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/source/Symbol/ObjectFile.cpp (original) +++ lldb/trunk/source/Symbol/ObjectFile.cpp Sun Apr 29 12:47:48 2018 @@ -363,6 +363,7 @@ AddressClass ObjectFile::GetAddressClass case eSectionTypeDWARFAppleTypes: case eSectionTypeDWARFAppleNamespaces: case eSectionTypeDWARFAppleObjC: + case eSectionTypeDWARFGNUDebugAltLink: return eAddressClassDebug; case eSectionTypeEHFrame: case eSectionTypeARMexidx: Modified: lldb/trunk/tools/lldb-test/lldb-test.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/lldb-test/lldb-test.cpp?rev=331148&r1=331147&r2=331148&view=diff ============================================================================== --- lldb/trunk/tools/lldb-test/lldb-test.cpp (original) +++ lldb/trunk/tools/lldb-test/lldb-test.cpp Sun Apr 29 12:47:48 2018 @@ -213,6 +213,7 @@ static void dumpModules(Debugger &Dbg) { assert(S); Printer.formatLine("Index: {0}", I); Printer.formatLine("Name: {0}", S->GetName().GetStringRef()); + Printer.formatLine("Type: {0}", S->GetTypeAsCString()); Printer.formatLine("VM size: {0}", S->GetByteSize()); Printer.formatLine("File size: {0}", S->GetFileSize()); _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
