diff --git a/bolt/include/bolt/Core/DIEBuilder.h b/bolt/include/bolt/Core/DIEBuilder.h index d1acba0f26c78..bd22c536c56fc 100644 --- a/bolt/include/bolt/Core/DIEBuilder.h +++ b/bolt/include/bolt/Core/DIEBuilder.h @@ -162,7 +162,7 @@ class DIEBuilder { /// Clone an attribute in reference format. void cloneDieOffsetReferenceAttribute( - DIE &Die, const DWARFUnit &U, const DWARFDie &InputDIE, + DIE &Die, DWARFUnit &U, const DWARFDie &InputDIE, const DWARFAbbreviationDeclaration::AttributeSpec AttrSpec, uint64_t Ref); /// Clone an attribute in block format. diff --git a/bolt/include/bolt/Core/DebugNames.h b/bolt/include/bolt/Core/DebugNames.h index 0e61a0e4f9d9f..cc4e13a481b2d 100644 --- a/bolt/include/bolt/Core/DebugNames.h +++ b/bolt/include/bolt/Core/DebugNames.h @@ -72,8 +72,8 @@ class DWARF5AcceleratorTable { return std::move(FullTableBuffer); } /// Adds a DIE that is referenced across CUs. - void addCrossCUDie(const DIE *Die) { - CrossCUDies.insert({Die->getOffset(), Die}); + void addCrossCUDie(DWARFUnit *Unit, const DIE *Die) { + CrossCUDies.insert({Die->getOffset(), {Unit, Die}}); } /// Returns true if the DIE can generate an entry for a cross cu reference. /// This only checks TAGs of a DIE because when this is invoked DIE might not @@ -145,7 +145,7 @@ class DWARF5AcceleratorTable { llvm::DenseMap CUOffsetsToPatch; // Contains a map of Entry ID to Entry relative offset. llvm::DenseMap EntryRelativeOffsets; - llvm::DenseMap CrossCUDies; + llvm::DenseMap> CrossCUDies; /// Adds Unit to either CUList, LocalTUList or ForeignTUList. /// Input Unit being processed, and DWO ID if Unit is being processed comes /// from a DWO section. @@ -191,6 +191,29 @@ class DWARF5AcceleratorTable { void emitData(); /// Emit augmentation string. void emitAugmentationString() const; + /// Creates a new entry for a given DIE. + std::optional + addEntry(DWARFUnit &DU, const DIE &CurrDie, + const std::optional &DWOID, + const std::optional &Parent, + const std::optional &Name, + const uint32_t NumberParentsInChain); + /// Returns UnitID for a given DWARFUnit. + uint32_t getUnitID(const DWARFUnit &Unit, + const std::optional &DWOID, bool &IsTU); + std::optional getName(DWARFUnit &DU, + const std::optional &DWOID, + const std::string &NameToUse, + DIEValue ValName); + /// Processes a DIE with references to other DIEs for DW_AT_name and + /// DW_AT_linkage_name resolution. + /// If DW_AT_name exists method creates a new entry for this DIE and returns + /// it. + std::optional processReferencedDie( + DWARFUnit &Unit, const DIE &Die, const std::optional &DWOID, + const std::optional &Parent, + const std::string &NameToUse, const uint32_t NumberParentsInChain, + const dwarf::Attribute &Attr); }; } // namespace bolt } // namespace llvm diff --git a/bolt/lib/Core/DIEBuilder.cpp b/bolt/lib/Core/DIEBuilder.cpp index 414912ea1c207..80ad583e079d4 100644 --- a/bolt/lib/Core/DIEBuilder.cpp +++ b/bolt/lib/Core/DIEBuilder.cpp @@ -622,7 +622,7 @@ DWARFDie DIEBuilder::resolveDIEReference( } void DIEBuilder::cloneDieOffsetReferenceAttribute( - DIE &Die, const DWARFUnit &U, const DWARFDie &InputDIE, + DIE &Die, DWARFUnit &U, const DWARFDie &InputDIE, const DWARFAbbreviationDeclaration::AttributeSpec AttrSpec, uint64_t Ref) { DIE *NewRefDie = nullptr; DWARFUnit *RefUnit = nullptr; @@ -654,7 +654,7 @@ void DIEBuilder::cloneDieOffsetReferenceAttribute( // Adding referenced DIE to DebugNames to be used when entries are created // that contain cross cu references. if (DebugNamesTable.canGenerateEntryWithCrossCUReference(U, Die, AttrSpec)) - DebugNamesTable.addCrossCUDie(DieInfo.Die); + DebugNamesTable.addCrossCUDie(&U, DieInfo.Die); // no matter forward reference or backward reference, we are supposed // to calculate them in `finish` due to the possible modification of // the DIE. diff --git a/bolt/lib/Core/DebugNames.cpp b/bolt/lib/Core/DebugNames.cpp index 280c7c505eeda..f33ca83023a0b 100644 --- a/bolt/lib/Core/DebugNames.cpp +++ b/bolt/lib/Core/DebugNames.cpp @@ -222,134 +222,113 @@ static uint64_t getEntryID(const BOLTDWARF5AccelTableData &Entry) { return reinterpret_cast(&Entry); } -std::optional -DWARF5AcceleratorTable::addAccelTableEntry( - DWARFUnit &Unit, const DIE &Die, const std::optional &DWOID, - const uint32_t NumberParentsInChain, - std::optional &Parent) { - if (Unit.getVersion() < 5 || !NeedToCreate) - return std::nullopt; - std::string NameToUse = ""; - - auto getUnitID = [&](const DWARFUnit &Unit, bool &IsTU, - uint32_t &DieTag) -> uint32_t { - IsTU = Unit.isTypeUnit(); - DieTag = Die.getTag(); - if (IsTU) { - if (DWOID) { - const uint64_t TUHash = cast(&Unit)->getTypeHash(); - auto Iter = TUHashToIndexMap.find(TUHash); - assert(Iter != TUHashToIndexMap.end() && - "Could not find TU hash in map"); - return Iter->second; - } - return LocalTUList.size() - 1; +uint32_t DWARF5AcceleratorTable::getUnitID(const DWARFUnit &Unit, + const std::optional &DWOID, + bool &IsTU) { + IsTU = Unit.isTypeUnit(); + if (IsTU) { + if (DWOID) { + const uint64_t TUHash = cast(&Unit)->getTypeHash(); + auto Iter = TUHashToIndexMap.find(TUHash); + assert(Iter != TUHashToIndexMap.end() && "Could not find TU hash in map"); + return Iter->second; } - return CUList.size() - 1; - }; + return LocalTUList.size() - 1; + } + return CUList.size() - 1; +} - if (!canProcess(Unit, Die, NameToUse, false)) +std::optional DWARF5AcceleratorTable::getName( + DWARFUnit &Unit, const std::optional &DWOID, + const std::string &NameToUse, DIEValue ValName) { + if ((!ValName || ValName.getForm() == dwarf::DW_FORM_string) && + NameToUse.empty()) return std::nullopt; - - // Addes a Unit to either CU, LocalTU or ForeignTU list the first time we - // encounter it. - // Invoking it here so that we don't add Units that don't have any entries. - if (&Unit != CurrentUnit) { - CurrentUnit = &Unit; - addUnit(Unit, DWOID); + std::string Name = ""; + uint64_t NameIndexOffset = 0; + if (NameToUse.empty()) { + NameIndexOffset = ValName.getDIEInteger().getValue(); + if (ValName.getForm() != dwarf::DW_FORM_strp) + NameIndexOffset = getNameOffset(BC, Unit, NameIndexOffset); + // Counts on strings end with '\0'. + Name = std::string(&StrSection.data()[NameIndexOffset]); + } else { + Name = NameToUse; } - - auto getName = [&](DIEValue ValName) -> std::optional { - if ((!ValName || ValName.getForm() == dwarf::DW_FORM_string) && - NameToUse.empty()) - return std::nullopt; - std::string Name = ""; - uint64_t NameIndexOffset = 0; - if (NameToUse.empty()) { - NameIndexOffset = ValName.getDIEInteger().getValue(); - if (ValName.getForm() != dwarf::DW_FORM_strp) - NameIndexOffset = getNameOffset(BC, Unit, NameIndexOffset); - // Counts on strings end with '\0'. - Name = std::string(&StrSection.data()[NameIndexOffset]); - } else { - Name = NameToUse; - } - auto &It = Entries[Name]; - if (It.Values.empty()) { - if (DWOID && NameToUse.empty()) { - // For DWO Unit the offset is in the .debug_str.dwo section. - // Need to find offset for the name in the .debug_str section. - llvm::hash_code Hash = llvm::hash_value(llvm::StringRef(Name)); - auto ItCache = StrCacheToOffsetMap.find(Hash); - if (ItCache == StrCacheToOffsetMap.end()) - NameIndexOffset = MainBinaryStrWriter.addString(Name); - else - NameIndexOffset = ItCache->second; - } - if (!NameToUse.empty()) + auto &It = Entries[Name]; + if (It.Values.empty()) { + if (DWOID && NameToUse.empty()) { + // For DWO Unit the offset is in the .debug_str.dwo section. + // Need to find offset for the name in the .debug_str section. + llvm::hash_code Hash = llvm::hash_value(llvm::StringRef(Name)); + auto ItCache = StrCacheToOffsetMap.find(Hash); + if (ItCache == StrCacheToOffsetMap.end()) NameIndexOffset = MainBinaryStrWriter.addString(Name); - It.StrOffset = NameIndexOffset; - // This the same hash function used in DWARF5AccelTableData. - It.HashValue = caseFoldingDjbHash(Name); + else + NameIndexOffset = ItCache->second; } - return Name; - }; + if (!NameToUse.empty()) + NameIndexOffset = MainBinaryStrWriter.addString(Name); + It.StrOffset = NameIndexOffset; + // This is the same hash function used in DWARF5AccelTableData. + It.HashValue = caseFoldingDjbHash(Name); + } + return Name; +} - auto addEntry = - [&](DIEValue ValName) -> std::optional { - std::optional Name = getName(ValName); - if (!Name) - return std::nullopt; +std::optional DWARF5AcceleratorTable::addEntry( + DWARFUnit &DU, const DIE &CurrDie, const std::optional &DWOID, + const std::optional &Parent, + const std::optional &Name, + const uint32_t NumberParentsInChain) { + if (!Name) + return std::nullopt; - auto &It = Entries[*Name]; - bool IsTU = false; - uint32_t DieTag = 0; - uint32_t UnitID = getUnitID(Unit, IsTU, DieTag); - std::optional SecondIndex = std::nullopt; - if (IsTU && DWOID) { - auto Iter = CUOffsetsToPatch.find(*DWOID); - if (Iter == CUOffsetsToPatch.end()) - BC.errs() << "BOLT-WARNING: [internal-dwarf-warning]: Could not find " - "DWO ID in CU offsets for second Unit Index " - << *Name << ". For DIE at offset: " - << Twine::utohexstr(CurrentUnitOffset + Die.getOffset()) - << ".\n"; - SecondIndex = Iter->second; - } - std::optional ParentOffset = - (Parent ? std::optional(getEntryID(**Parent)) : std::nullopt); - // This will be populated later in writeEntry. - // This way only parent entries get tracked. - // Keeping memory footprint down. - if (ParentOffset) - EntryRelativeOffsets.insert({*ParentOffset, 0}); - bool IsParentRoot = false; - // If there is no parent and no valid Entries in parent chain this is a root - // to be marked with a flag. - if (!Parent && !NumberParentsInChain) - IsParentRoot = true; - It.Values.push_back(new (Allocator) BOLTDWARF5AccelTableData( - Die.getOffset(), ParentOffset, DieTag, UnitID, IsParentRoot, IsTU, - SecondIndex)); - return It.Values.back(); - }; + auto &It = Entries[*Name]; + bool IsTU = false; + uint32_t DieTag = CurrDie.getTag(); + uint32_t UnitID = getUnitID(DU, DWOID, IsTU); + std::optional SecondIndex = std::nullopt; + if (IsTU && DWOID) { + auto Iter = CUOffsetsToPatch.find(*DWOID); + if (Iter == CUOffsetsToPatch.end()) + BC.errs() << "BOLT-WARNING: [internal-dwarf-warning]: Could not find " + "DWO ID in CU offsets for second Unit Index " + << *Name << ". For DIE at offset: " + << Twine::utohexstr(CurrentUnitOffset + CurrDie.getOffset()) + << ".\n"; + SecondIndex = Iter->second; + } + std::optional ParentOffset = + (Parent ? std::optional(getEntryID(**Parent)) : std::nullopt); + // This will be only populated in writeEntry, in order to keep only the parent + // entries, and keep the footprint down. + if (ParentOffset) + EntryRelativeOffsets.insert({*ParentOffset, 0}); + bool IsParentRoot = false; + // If there is no parent and no valid Entries in parent chain this is a root + // to be marked with a flag. + if (!Parent && !NumberParentsInChain) + IsParentRoot = true; + It.Values.push_back(new (Allocator) BOLTDWARF5AccelTableData( + CurrDie.getOffset(), ParentOffset, DieTag, UnitID, IsParentRoot, IsTU, + SecondIndex)); + return It.Values.back(); +} - // Minor optimization not to add entry twice for DW_TAG_namespace if it has no - // DW_AT_name. - if (!(Die.getTag() == dwarf::DW_TAG_namespace && - !Die.findAttribute(dwarf::Attribute::DW_AT_name))) - addEntry(Die.findAttribute(dwarf::Attribute::DW_AT_linkage_name)); - // For the purposes of determining whether a debugging information entry has a - // particular attribute (such as DW_AT_name), if debugging information entry A - // has a DW_AT_specification or DW_AT_abstract_origin attribute pointing to - // another debugging information entry B, any attributes of B are considered - // to be part of A. - auto processReferencedDie = [&](const dwarf::Attribute &Attr) - -> std::optional { - const DIEValue Value = Die.findAttribute(Attr); +std::optional +DWARF5AcceleratorTable::processReferencedDie( + DWARFUnit &Unit, const DIE &Die, const std::optional &DWOID, + const std::optional &Parent, + const std::string &NameToUse, const uint32_t NumberParentsInChain, + const dwarf::Attribute &Attr) { + DIEValue Value = Die.findAttribute(Attr); + if (!Value) + return std::nullopt; + auto getReferenceDie = [&](const DIEValue &Value, const DIE *RefDieUsed) + -> std::optional> { if (!Value) return std::nullopt; - const DIE *EntryDie = nullptr; if (Value.getForm() == dwarf::DW_FORM_ref_addr) { auto Iter = CrossCUDies.find(Value.getDIEInteger().getValue()); if (Iter == CrossCUDies.end()) { @@ -359,24 +338,97 @@ DWARF5AcceleratorTable::addAccelTableEntry( << ".\n"; return std::nullopt; } - EntryDie = Iter->second; - } else { - const DIEEntry &DIEENtry = Value.getDIEEntry(); - EntryDie = &DIEENtry.getEntry(); + return Iter->second; } - - addEntry(EntryDie->findAttribute(dwarf::Attribute::DW_AT_linkage_name)); - return addEntry(EntryDie->findAttribute(dwarf::Attribute::DW_AT_name)); + const DIEEntry &DIEENtry = Value.getDIEEntry(); + return {{&Unit, &DIEENtry.getEntry()}}; }; - if (std::optional Entry = - processReferencedDie(dwarf::Attribute::DW_AT_abstract_origin)) + DIEValue AttrValLinkageName; + DIEValue AttrValName = Die.findAttribute(dwarf::Attribute::DW_AT_name); + DWARFUnit *RefUnit = &Unit; + const DIE *RefDieUsed = &Die; + // It is possible to have DW_TAG_subprogram only with DW_AT_linkage_name that + // DW_AT_abstract_origin/DW_AT_specification point to. + while (!AttrValName) { + std::optional> RefDUDie = + getReferenceDie(Value, RefDieUsed); + if (!RefDUDie) + break; + RefUnit = RefDUDie->first; + const DIE &RefDie = *RefDUDie->second; + RefDieUsed = &RefDie; + if (!AttrValLinkageName) + AttrValLinkageName = + RefDie.findAttribute(dwarf::Attribute::DW_AT_linkage_name); + AttrValName = RefDie.findAttribute(dwarf::Attribute::DW_AT_name); + Value = RefDie.findAttribute(dwarf::Attribute::DW_AT_abstract_origin); + if (!Value) + Value = RefDie.findAttribute(dwarf::Attribute::DW_AT_specification); + } + addEntry(Unit, Die, DWOID, Parent, + getName(*RefUnit, DWOID, NameToUse, AttrValLinkageName), + NumberParentsInChain); + return addEntry(Unit, Die, DWOID, Parent, + getName(*RefUnit, DWOID, NameToUse, AttrValName), + NumberParentsInChain); +} + +std::optional +DWARF5AcceleratorTable::addAccelTableEntry( + DWARFUnit &Unit, const DIE &Die, const std::optional &DWOID, + const uint32_t NumberParentsInChain, + std::optional &Parent) { + if (Unit.getVersion() < 5 || !NeedToCreate) + return std::nullopt; + std::string NameToUse = ""; + + if (!canProcess(Unit, Die, NameToUse, false)) + return std::nullopt; + + // Adds a Unit to either CU, LocalTU or ForeignTU list the first time we + // encounter it. + // Invoking it here so that we don't add Units that don't have any entries. + if (&Unit != CurrentUnit) { + CurrentUnit = &Unit; + addUnit(Unit, DWOID); + } + + // Minor optimization not to add entry twice for DW_TAG_namespace if it has no + // DW_AT_name. + std::optional LinkageEntry = std::nullopt; + DIEValue NameVal = Die.findAttribute(dwarf::Attribute::DW_AT_name); + DIEValue LinkageNameVal = + Die.findAttribute(dwarf::Attribute::DW_AT_linkage_name); + if (!(Die.getTag() == dwarf::DW_TAG_namespace && !NameVal)) + LinkageEntry = addEntry(Unit, Die, DWOID, Parent, + getName(Unit, DWOID, NameToUse, LinkageNameVal), + NumberParentsInChain); + + std::optional NameEntry = + addEntry(Unit, Die, DWOID, Parent, + getName(Unit, DWOID, NameToUse, NameVal), NumberParentsInChain); + if (NameEntry) + return NameEntry; + + // The DIE doesn't have DW_AT_name or DW_AT_linkage_name, so we need to see if + // we can follow other attributes to find them. For the purposes of + // determining whether a debug information entry has a particular + // attribute (such as DW_AT_name), if debug information entry A has a + // DW_AT_specification or DW_AT_abstract_origin attribute pointing to another + // debug information entry B, any attributes of B are considered to be + // part of A. + if (std::optional Entry = processReferencedDie( + Unit, Die, DWOID, Parent, NameToUse, NumberParentsInChain, + dwarf::Attribute::DW_AT_abstract_origin)) return *Entry; - if (std::optional Entry = - processReferencedDie(dwarf::Attribute::DW_AT_specification)) + if (std::optional Entry = processReferencedDie( + Unit, Die, DWOID, Parent, NameToUse, NumberParentsInChain, + dwarf::Attribute::DW_AT_specification)) return *Entry; - return addEntry(Die.findAttribute(dwarf::Attribute::DW_AT_name)); + // This point can be hit by DW_TAG_varialbe that has no DW_AT_name. + return std::nullopt; } /// Algorithm from llvm implementation. diff --git a/bolt/test/X86/dwarf5-debug-names-abstract-origin-linkage-name-only.s b/bolt/test/X86/dwarf5-debug-names-abstract-origin-linkage-name-only.s new file mode 100644 index 0000000000000..8c9817ce91edb --- /dev/null +++ b/bolt/test/X86/dwarf5-debug-names-abstract-origin-linkage-name-only.s @@ -0,0 +1,568 @@ +# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o +# RUN: %clang %cflags -gdwarf-5 %tmain.o -o %tmain.exe +# RUN: llvm-bolt %tmain.exe -o %tmain.exe.bolt --update-debug-sections +# RUN: llvm-dwarfdump --debug-names %tmain.exe.bolt > %tlog.txt +# RUN: cat %tlog.txt | FileCheck -check-prefix=BOLT %s + +## Tests that bolt can correctly generate debug_names when there is an DW_TAG_inlined_subroutine +## with DW_AT_abstract_origin that points to DW_TAG_subprogram that only has DW_AT_linkage_name. + +# BOLT: Name Index @ 0x0 { +# BOLT-NEXT: Header { +# BOLT-NEXT: Length: 0xA2 +# BOLT-NEXT: Format: DWARF32 +# BOLT-NEXT: Version: 5 +# BOLT-NEXT: CU count: 1 +# BOLT-NEXT: Local TU count: 0 +# BOLT-NEXT: Foreign TU count: 0 +# BOLT-NEXT: Bucket count: 4 +# BOLT-NEXT: Name count: 4 +# BOLT-NEXT: Abbreviations table size: 0x19 +# BOLT-NEXT: Augmentation: 'BOLT' +# BOLT-NEXT: } +# BOLT-NEXT: Compilation Unit offsets [ +# BOLT-NEXT: CU[0]: 0x00000000 +# BOLT-NEXT: ] +# BOLT-NEXT: Abbreviations [ +# BOLT-NEXT: Abbreviation [[ABBREV1:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_base_type +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present +# BOLT-NEXT: } +# BOLT-NEXT: Abbreviation [[ABBREV2:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present +# BOLT-NEXT: } +# BOLT-NEXT: Abbreviation [[ABBREV3:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_inlined_subroutine +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_ref4 +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 0 [ +# BOLT-NEXT: Name 1 { +# BOLT-NEXT: Hash: 0xB888030 +# BOLT-NEXT: String: {{.+}} "int" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: 0x1 +# BOLT-NEXT: Tag: DW_TAG_base_type +# BOLT-NEXT: DW_IDX_die_offset: 0x0000004a +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 1 [ +# BOLT-NEXT: EMPTY +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 2 [ +# BOLT-NEXT: Name 2 { +# BOLT-NEXT: Hash: 0x7C9A7F6A +# BOLT-NEXT: String: {{.+}} "main" +# BOLT-NEXT: Entry @ [[REF1:0x[0-9a-f]*]] { +# BOLT-NEXT: Abbrev: [[ABBREV2]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x0000004e +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: Name 3 { +# BOLT-NEXT: Hash: 0xB5063CFE +# BOLT-NEXT: String: {{.+}} "_Z3fooi" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV2]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x00000024 +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: Entry @ 0x96 { +# BOLT-NEXT: Abbrev: [[ABBREV3]] +# BOLT-NEXT: Tag: DW_TAG_inlined_subroutine +# BOLT-NEXT: DW_IDX_die_offset: 0x0000007e +# BOLT-NEXT: DW_IDX_parent: Entry @ [[REF1]] +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 3 [ +# BOLT-NEXT: Name 4 { +# BOLT-NEXT: Hash: 0x7C952063 +# BOLT-NEXT: String: {{.+}} "char" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV1]] +# BOLT-NEXT: Tag: DW_TAG_base_type +# BOLT-NEXT: DW_IDX_die_offset: 0x0000009f +# BOLT-NEXT: DW_IDX_parent: + +## int foo(int i) { +## return i ++; +## } +## int main(int argc, char* argv[]) { +## int i = 0; +## [[clang::always_inline]] i = foo(argc); +## return i; +## } +## Test was manually modified so that DW_TAG_subprogram only had DW_AT_linkage_name. + + .text + .file "main.cpp" + .globl _Z3fooi + .p2align 4, 0x90 + .type _Z3fooi,@function +_Z3fooi: +.Lfunc_begin0: + .file 0 "/abstractChain" "main.cpp" md5 0x2e29d55fc1320801a8057a4c50643ea1 + .loc 0 1 0 + .loc 0 2 12 prologue_end + .loc 0 2 3 epilogue_begin is_stmt 0 + retq +.Lfunc_end0: + .size _Z3fooi, .Lfunc_end0-_Z3fooi + + .globl main + .p2align 4, 0x90 + .type main,@function +main: +.Lfunc_begin1: + .loc 0 4 0 is_stmt 1 +.Ltmp2: + .loc 0 5 7 prologue_end + .loc 0 6 36 + movl -12(%rbp), %eax +.Ltmp3: + .loc 0 2 12 +.Ltmp4: + .loc 0 6 30 + .loc 0 7 10 + .loc 0 7 3 epilogue_begin is_stmt 0 + retq +.Ltmp5: +.Lfunc_end1: + .size main, .Lfunc_end1-main + # -- End function + .section .debug_abbrev,"",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 1 # DW_CHILDREN_yes + .byte 37 # DW_AT_producer + .byte 37 # DW_FORM_strx1 + .byte 19 # DW_AT_language + .byte 5 # DW_FORM_data2 + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 114 # DW_AT_str_offsets_base + .byte 23 # DW_FORM_sec_offset + .byte 16 # DW_AT_stmt_list + .byte 23 # DW_FORM_sec_offset + .byte 27 # DW_AT_comp_dir + .byte 37 # DW_FORM_strx1 + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 115 # DW_AT_addr_base + .byte 23 # DW_FORM_sec_offset + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 2 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 3 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 4 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 110 # DW_AT_linkage_name + .byte 37 # DW_FORM_strx1 + #.byte 3 # DW_AT_name + #.byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 32 # DW_AT_inline + .byte 33 # DW_FORM_implicit_const + .byte 1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 5 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 6 # Abbreviation Code + .byte 36 # DW_TAG_base_type + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 62 # DW_AT_encoding + .byte 11 # DW_FORM_data1 + .byte 11 # DW_AT_byte_size + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 7 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 8 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 9 # Abbreviation Code + .byte 52 # DW_TAG_variable + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 10 # Abbreviation Code + .byte 29 # DW_TAG_inlined_subroutine + .byte 1 # DW_CHILDREN_yes + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 88 # DW_AT_call_file + .byte 11 # DW_FORM_data1 + .byte 89 # DW_AT_call_line + .byte 11 # DW_FORM_data1 + .byte 87 # DW_AT_call_column + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 11 # Abbreviation Code + .byte 15 # DW_TAG_pointer_type + .byte 0 # DW_CHILDREN_no + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 0 # EOM(3) + .section .debug_info,"",@progbits +.Lcu_begin0: + .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit +.Ldebug_info_start0: + .short 5 # DWARF version number + .byte 1 # DWARF Unit Type + .byte 8 # Address Size (in bytes) + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 1 # Abbrev [1] 0xc:0x98 DW_TAG_compile_unit + .byte 0 # DW_AT_producer + .short 33 # DW_AT_language + .byte 1 # DW_AT_name + .long .Lstr_offsets_base0 # DW_AT_str_offsets_base + .long .Lline_table_start0 # DW_AT_stmt_list + .byte 2 # DW_AT_comp_dir + .byte 0 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc + .long .Laddr_table_base0 # DW_AT_addr_base + .byte 2 # Abbrev [2] 0x23:0x15 DW_TAG_subprogram + .byte 0 # DW_AT_low_pc + .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 86 + .long 56 # DW_AT_abstract_origin + .byte 3 # Abbrev [3] 0x2f:0x8 DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 124 + .long 64 # DW_AT_abstract_origin Manually Modified + .byte 0 # End Of Children Mark + .byte 4 # Abbrev [4] 0x38:0x12 DW_TAG_subprogram + .byte 3 # DW_AT_linkage_name + #.byte 4 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .long 74 # DW_AT_type + # DW_AT_external + # DW_AT_inline + .byte 5 # Abbrev [5] 0x41:0x8 DW_TAG_formal_parameter + .byte 6 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .long 74 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 6 # Abbrev [6] 0x4a:0x4 DW_TAG_base_type + .byte 5 # DW_AT_name + .byte 5 # DW_AT_encoding + .byte 4 # DW_AT_byte_size + .byte 7 # Abbrev [7] 0x4e:0x47 DW_TAG_subprogram + .byte 1 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 86 + .byte 7 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long 73 # DW_AT_type Manually Modified + # DW_AT_external + .byte 8 # Abbrev [8] 0x5d:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 116 + .byte 8 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long 73 # DW_AT_type Manually Modified + .byte 8 # Abbrev [8] 0x68:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 104 + .byte 9 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long 148 # DW_AT_type Manually Modified + .byte 9 # Abbrev [9] 0x73:0xb DW_TAG_variable + .byte 2 # DW_AT_location + .byte 145 + .byte 100 + .byte 6 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 5 # DW_AT_decl_line + .long 73 # DW_AT_type Manually Modified + .byte 10 # Abbrev [10] 0x7e:0x16 DW_TAG_inlined_subroutine + .long 56 # DW_AT_abstract_origin + .byte 2 # DW_AT_low_pc + .long .Ltmp4-.Ltmp3 # DW_AT_high_pc + .byte 0 # DW_AT_call_file + .byte 6 # DW_AT_call_line + .byte 32 # DW_AT_call_column + .byte 3 # Abbrev [3] 0x8b:0x8 DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 124 + .long 64 # DW_AT_abstract_origin Manually Modified + .byte 0 # End Of Children Mark + .byte 0 # End Of Children Mark + .byte 11 # Abbrev [11] 0x95:0x5 DW_TAG_pointer_type + .long 153 # DW_AT_type Manually Modified + .byte 11 # Abbrev [11] 0x9a:0x5 DW_TAG_pointer_type + .long 158 # DW_AT_type Manually Modified + .byte 6 # Abbrev [6] 0x9f:0x4 DW_TAG_base_type + .byte 10 # DW_AT_name + .byte 6 # DW_AT_encoding + .byte 1 # DW_AT_byte_size + .byte 0 # End Of Children Mark +.Ldebug_info_end0: + .section .debug_str_offsets,"",@progbits + .long 48 # Length of String Offsets Set + .short 5 + .short 0 +.Lstr_offsets_base0: + .section .debug_str,"MS",@progbits,1 +.Linfo_string0: + .asciz "clang version 20.0.0git" # string offset=0 +.Linfo_string1: + .asciz "main.cpp" # string offset=24 +.Linfo_string2: + .asciz "/abstractChain" # string offset=33 +.Linfo_string3: + .asciz "foo" # string offset=85 +.Linfo_string4: + .asciz "_Z3fooi" # string offset=89 +.Linfo_string5: + .asciz "int" # string offset=97 +.Linfo_string6: + .asciz "i" # string offset=101 +.Linfo_string7: + .asciz "main" # string offset=103 +.Linfo_string8: + .asciz "argc" # string offset=108 +.Linfo_string9: + .asciz "argv" # string offset=113 +.Linfo_string10: + .asciz "char" # string offset=118 + .section .debug_str_offsets,"",@progbits + .long .Linfo_string0 + .long .Linfo_string1 + .long .Linfo_string2 + .long .Linfo_string4 + .long .Linfo_string3 + .long .Linfo_string5 + .long .Linfo_string6 + .long .Linfo_string7 + .long .Linfo_string8 + .long .Linfo_string9 + .long .Linfo_string10 + .section .debug_addr,"",@progbits + .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution +.Ldebug_addr_start0: + .short 5 # DWARF version number + .byte 8 # Address size + .byte 0 # Segment selector size +.Laddr_table_base0: + .quad .Lfunc_begin0 + .quad .Lfunc_begin1 + .quad .Ltmp3 +.Ldebug_addr_end0: + .section .debug_names,"",@progbits + .long .Lnames_end0-.Lnames_start0 # Header: unit length +.Lnames_start0: + .short 5 # Header: version + .short 0 # Header: padding + .long 1 # Header: compilation unit count + .long 0 # Header: local type unit count + .long 0 # Header: foreign type unit count + .long 5 # Header: bucket count + .long 5 # Header: name count + .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size + .long 8 # Header: augmentation string size + .ascii "LLVM0700" # Header: augmentation string + .long .Lcu_begin0 # Compilation unit 0 + .long 0 # Bucket 0 + .long 1 # Bucket 1 + .long 0 # Bucket 2 + .long 3 # Bucket 3 + .long 4 # Bucket 4 + .long 2090499946 # Hash in Bucket 1 + .long -1257882370 # Hash in Bucket 1 + .long 193495088 # Hash in Bucket 3 + .long 193491849 # Hash in Bucket 4 + .long 2090147939 # Hash in Bucket 4 + .long .Linfo_string7 # String in Bucket 1: main + .long .Linfo_string4 # String in Bucket 1: _Z3fooi + .long .Linfo_string5 # String in Bucket 3: int + .long .Linfo_string3 # String in Bucket 4: foo + .long .Linfo_string10 # String in Bucket 4: char + .long .Lnames3-.Lnames_entries0 # Offset in Bucket 1 + .long .Lnames1-.Lnames_entries0 # Offset in Bucket 1 + .long .Lnames2-.Lnames_entries0 # Offset in Bucket 3 + .long .Lnames0-.Lnames_entries0 # Offset in Bucket 4 + .long .Lnames4-.Lnames_entries0 # Offset in Bucket 4 +.Lnames_abbrev_start0: + .byte 1 # Abbrev code + .byte 46 # DW_TAG_subprogram + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 25 # DW_FORM_flag_present + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 2 # Abbrev code + .byte 29 # DW_TAG_inlined_subroutine + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 19 # DW_FORM_ref4 + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 3 # Abbrev code + .byte 36 # DW_TAG_base_type + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 25 # DW_FORM_flag_present + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 0 # End of abbrev list +.Lnames_abbrev_end0: +.Lnames_entries0: +.Lnames3: +.L2: + .byte 1 # Abbreviation code + .long 78 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: main +.Lnames1: +.L0: + .byte 1 # Abbreviation code + .long 35 # DW_IDX_die_offset +.L3: # DW_IDX_parent + .byte 2 # Abbreviation code + .long 126 # DW_IDX_die_offset + .long .L2-.Lnames_entries0 # DW_IDX_parent + .byte 0 # End of list: _Z3fooi +.Lnames2: +.L1: + .byte 3 # Abbreviation code + .long 74 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: int +.Lnames0: + .byte 1 # Abbreviation code + .long 35 # DW_IDX_die_offset + .byte 2 # DW_IDX_parent + # Abbreviation code + .long 126 # DW_IDX_die_offset + .long .L2-.Lnames_entries0 # DW_IDX_parent + .byte 0 # End of list: foo +.Lnames4: +.L4: + .byte 3 # Abbreviation code + .long 159 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: char + .p2align 2, 0x0 +.Lnames_end0: + .ident "clang version 20.0.0git" + .section ".note.GNU-stack","",@progbits + .addrsig + .section .debug_line,"",@progbits +.Lline_table_start0: diff --git a/bolt/test/X86/dwarf5-debug-names-abstract-origin-specification.s b/bolt/test/X86/dwarf5-debug-names-abstract-origin-specification.s new file mode 100644 index 0000000000000..2075640d6761c --- /dev/null +++ b/bolt/test/X86/dwarf5-debug-names-abstract-origin-specification.s @@ -0,0 +1,829 @@ +# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o +# RUN: %clang %cflags -gdwarf-5 %tmain.o -o %tmain.exe +# RUN: llvm-bolt %tmain.exe -o %tmain.exe.bolt --update-debug-sections +# RUN: llvm-dwarfdump --debug-names %tmain.exe.bolt > %tlog.txt +# RUN: cat %tlog.txt | FileCheck -check-prefix=BOLT %s + +## This test checks that BOLT correctly generates .debug_names section when there is transative +## DW_AT_name/DW_AT_linkage_name resolution. + +# BOLT: Abbreviations [ +# BOLT-NEXT: Abbreviation [[ABBREV1:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present +# BOLT-NEXT: } +# BOLT-NEXT: Abbreviation [[ABBREV2:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_class_type +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present +# BOLT-NEXT: } +# BOLT-NEXT: Abbreviation [[ABBREV3:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_inlined_subroutine +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_ref4 +# BOLT-NEXT: } +# BOLT-NEXT: Abbreviation [[ABBREV4:0x[0-9a-f]*]] { +# BOLT-NEXT: Tag: DW_TAG_base_type +# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 +# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 0 [ +# BOLT-NEXT: Name 1 { +# BOLT-NEXT: Hash: 0xD72418AA +# BOLT-NEXT: String: {{.+}} "_ZL3fooi" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV1]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x000000ba +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 1 [ +# BOLT-NEXT: Name 2 { +# BOLT-NEXT: Hash: 0x10614A06 +# BOLT-NEXT: String: {{.+}} "State" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV2]] +# BOLT-NEXT: Tag: DW_TAG_class_type +# BOLT-NEXT: DW_IDX_die_offset: 0x0000002b +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: Entry @ [[REF1:0x[0-9a-f]*]] { +# BOLT-NEXT: Abbrev: [[ABBREV1]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x00000089 +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV3]] +# BOLT-NEXT: Tag: DW_TAG_inlined_subroutine +# BOLT-NEXT: DW_IDX_die_offset: 0x000000a3 +# BOLT-NEXT: DW_IDX_parent: Entry @ [[REF1]] +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 2 [ +# BOLT-NEXT: EMPTY +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 3 [ +# BOLT-NEXT: Name 3 { +# BOLT-NEXT: Hash: 0xB888030 +# BOLT-NEXT: String: {{.+}} "int" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV4]] +# BOLT-NEXT: Tag: DW_TAG_base_type +# BOLT-NEXT: DW_IDX_die_offset: 0x00000085 +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: Name 4 { +# BOLT-NEXT: Hash: 0x7C9A7F6A +# BOLT-NEXT: String: {{.+}} "main" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV1]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x00000042 +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 4 [ +# BOLT-NEXT: EMPTY +# BOLT-NEXT: ] +# BOLT-NEXT: Bucket 5 [ +# BOLT-NEXT: Name 5 { +# BOLT-NEXT: Hash: 0xB887389 +# BOLT-NEXT: String: {{.+}} "foo" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV1]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x000000ba +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: Name 6 { +# BOLT-NEXT: Hash: 0x7C952063 +# BOLT-NEXT: String: {{.+}} "char" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV4]] +# BOLT-NEXT: Tag: DW_TAG_base_type +# BOLT-NEXT: DW_IDX_die_offset: 0x000000d9 +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: } +# BOLT-NEXT: Name 7 { +# BOLT-NEXT: Hash: 0xFBBDC812 +# BOLT-NEXT: String: {{.+}} "_ZN5StateC2Ev" +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV1]] +# BOLT-NEXT: Tag: DW_TAG_subprogram +# BOLT-NEXT: DW_IDX_die_offset: 0x00000089 +# BOLT-NEXT: DW_IDX_parent: +# BOLT-NEXT: } +# BOLT-NEXT: Entry @ {{.+}} { +# BOLT-NEXT: Abbrev: [[ABBREV3]] +# BOLT-NEXT: Tag: DW_TAG_inlined_subroutine +# BOLT-NEXT: DW_IDX_die_offset: 0x000000a3 +# BOLT-NEXT: DW_IDX_parent: Entry @ [[REF1]] + +## static int foo(int i) { +## return i ++; +## } +## class State { +## public: +## State() {[[clang::always_inline]] foo(3);} +## }; +## +## int main(int argc, char* argv[]) { +## State S; +## return 0; +## } + +## Test manually modified to redirect DW_TAG_inlined_subroutine to DW_TAG_subprogram with DW_AT_specification. + + .text + .file "main.cpp" + .file 0 "abstractChainTwo" "main.cpp" md5 0x17ad726b6a1fd49ee59559a1302da539 + .globl main # -- Begin function main + .p2align 4, 0x90 + .type main,@function +main: # @main +.Lfunc_begin0: + .loc 0 9 0 # main.cpp:9:0 +.Ltmp0: + .loc 0 10 9 prologue_end # main.cpp:10:9 + callq _ZN5StateC2Ev + .loc 0 11 3 # main.cpp:11:3 + .loc 0 11 3 epilogue_begin is_stmt 0 # main.cpp:11:3 + retq +.Ltmp1: +.Lfunc_end0: + .size main, .Lfunc_end0-main + # -- End function + .section .text._ZN5StateC2Ev,"axG",@progbits,_ZN5StateC2Ev,comdat + .weak _ZN5StateC2Ev # -- Begin function _ZN5StateC2Ev + .p2align 4, 0x90 + .type _ZN5StateC2Ev,@function +_ZN5StateC2Ev: # @_ZN5StateC2Ev +.Lfunc_begin1: + .loc 0 6 0 is_stmt 1 # main.cpp:6:0 + .cfi_startproc +# %bb.0: + pushq %rbp + .cfi_def_cfa_offset 16 + .cfi_offset %rbp, -16 + movq %rsp, %rbp + .cfi_def_cfa_register %rbp + movq %rdi, -16(%rbp) + movl $3, -4(%rbp) +.Ltmp2: + .loc 0 2 12 prologue_end # main.cpp:2:12 + movl -4(%rbp), %eax + addl $1, %eax + movl %eax, -4(%rbp) +.Ltmp3: + .loc 0 6 44 epilogue_begin # main.cpp:6:44 + popq %rbp + .cfi_def_cfa %rsp, 8 + retq +.Ltmp4: +.Lfunc_end1: + .size _ZN5StateC2Ev, .Lfunc_end1-_ZN5StateC2Ev + .cfi_endproc + # -- End function + .text + .p2align 4, 0x90 # -- Begin function _ZL3fooi + .type _ZL3fooi,@function +_ZL3fooi: # @_ZL3fooi +.Lfunc_begin2: + .loc 0 1 0 # main.cpp:1:0 + .cfi_startproc +# %bb.0: + pushq %rbp + .cfi_def_cfa_offset 16 + .cfi_offset %rbp, -16 + movq %rsp, %rbp + .cfi_def_cfa_register %rbp + movl %edi, -4(%rbp) +.Ltmp5: + .loc 0 2 12 prologue_end # main.cpp:2:12 + movl -4(%rbp), %eax + movl %eax, %ecx + addl $1, %ecx + movl %ecx, -4(%rbp) + .loc 0 2 3 epilogue_begin is_stmt 0 # main.cpp:2:3 + popq %rbp + .cfi_def_cfa %rsp, 8 + retq +.Ltmp6: +.Lfunc_end2: + .size _ZL3fooi, .Lfunc_end2-_ZL3fooi + .cfi_endproc + # -- End function + .section .debug_abbrev,"",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 1 # DW_CHILDREN_yes + .byte 37 # DW_AT_producer + .byte 37 # DW_FORM_strx1 + .byte 19 # DW_AT_language + .byte 5 # DW_FORM_data2 + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 114 # DW_AT_str_offsets_base + .byte 23 # DW_FORM_sec_offset + .byte 16 # DW_AT_stmt_list + .byte 23 # DW_FORM_sec_offset + .byte 27 # DW_AT_comp_dir + .byte 37 # DW_FORM_strx1 + .byte 17 # DW_AT_low_pc + .byte 1 # DW_FORM_addr + .byte 85 # DW_AT_ranges + .byte 35 # DW_FORM_rnglistx + .byte 115 # DW_AT_addr_base + .byte 23 # DW_FORM_sec_offset + .byte 116 # DW_AT_rnglists_base + .byte 23 # DW_FORM_sec_offset + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 2 # Abbreviation Code + .byte 2 # DW_TAG_class_type + .byte 1 # DW_CHILDREN_yes + .byte 54 # DW_AT_calling_convention + .byte 11 # DW_FORM_data1 + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 11 # DW_AT_byte_size + .byte 11 # DW_FORM_data1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 3 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 60 # DW_AT_declaration + .byte 25 # DW_FORM_flag_present + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 50 # DW_AT_accessibility + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 4 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 52 # DW_AT_artificial + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 5 # Abbreviation Code + .byte 15 # DW_TAG_pointer_type + .byte 0 # DW_CHILDREN_no + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 6 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 7 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 8 # Abbreviation Code + .byte 52 # DW_TAG_variable + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 9 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 110 # DW_AT_linkage_name + .byte 37 # DW_FORM_strx1 + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 32 # DW_AT_inline + .byte 33 # DW_FORM_implicit_const + .byte 1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 10 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 11 # Abbreviation Code + .byte 36 # DW_TAG_base_type + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 62 # DW_AT_encoding + .byte 11 # DW_FORM_data1 + .byte 11 # DW_AT_byte_size + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 12 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 100 # DW_AT_object_pointer + .byte 19 # DW_FORM_ref4 + .byte 110 # DW_AT_linkage_name + .byte 37 # DW_FORM_strx1 + .byte 71 # DW_AT_specification + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 13 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 52 # DW_AT_artificial + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 14 # Abbreviation Code + .byte 29 # DW_TAG_inlined_subroutine + .byte 1 # DW_CHILDREN_yes + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 88 # DW_AT_call_file + .byte 11 # DW_FORM_data1 + .byte 89 # DW_AT_call_line + .byte 11 # DW_FORM_data1 + .byte 87 # DW_AT_call_column + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 15 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 16 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 0 # EOM(3) + .section .debug_info,"",@progbits +.Lcu_begin0: + .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit +.Ldebug_info_start0: + .short 5 # DWARF version number + .byte 1 # DWARF Unit Type + .byte 8 # Address Size (in bytes) + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 1 # Abbrev [1] 0xc:0xd7 DW_TAG_compile_unit + .byte 0 # DW_AT_producer + .short 33 # DW_AT_language + .byte 1 # DW_AT_name + .long .Lstr_offsets_base0 # DW_AT_str_offsets_base + .long .Lline_table_start0 # DW_AT_stmt_list + .byte 2 # DW_AT_comp_dir + .quad 0 # DW_AT_low_pc + .byte 0 # DW_AT_ranges + .long .Laddr_table_base0 # DW_AT_addr_base + .long .Lrnglists_table_base0 # DW_AT_rnglists_base + .byte 2 # Abbrev [2] 0x2b:0x12 DW_TAG_class_type + .byte 5 # DW_AT_calling_convention + .byte 3 # DW_AT_name + .byte 1 # DW_AT_byte_size + .byte 0 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .byte 3 # Abbrev [3] 0x31:0xb DW_TAG_subprogram + .byte 3 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 6 # DW_AT_decl_line + # DW_AT_declaration + # DW_AT_external + .byte 1 # DW_AT_accessibility + # DW_ACCESS_public + .byte 4 # Abbrev [4] 0x36:0x5 DW_TAG_formal_parameter + .long 61 # DW_AT_type + # DW_AT_artificial + .byte 0 # End Of Children Mark + .byte 0 # End Of Children Mark + .byte 5 # Abbrev [5] 0x3d:0x5 DW_TAG_pointer_type + .long 43 # DW_AT_type + .byte 6 # Abbrev [6] 0x42:0x31 DW_TAG_subprogram + .byte 0 # DW_AT_low_pc + .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 86 + .byte 8 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 9 # DW_AT_decl_line + .long 133 # DW_AT_type + # DW_AT_external + .byte 7 # Abbrev [7] 0x51:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 120 + .byte 10 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 9 # DW_AT_decl_line + .long 133 # DW_AT_type + .byte 7 # Abbrev [7] 0x5c:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 112 + .byte 11 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 9 # DW_AT_decl_line + .long 207 # DW_AT_type + .byte 8 # Abbrev [8] 0x67:0xb DW_TAG_variable + .byte 2 # DW_AT_location + .byte 145 + .byte 111 + .byte 13 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 10 # DW_AT_decl_line + .long 43 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 9 # Abbrev [9] 0x73:0x12 DW_TAG_subprogram + .byte 4 # DW_AT_linkage_name + .byte 5 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .long 133 # DW_AT_type + # DW_AT_inline + .byte 10 # Abbrev [10] 0x7c:0x8 DW_TAG_formal_parameter + .byte 7 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .long 133 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 11 # Abbrev [11] 0x85:0x4 DW_TAG_base_type + .byte 6 # DW_AT_name + .byte 5 # DW_AT_encoding + .byte 4 # DW_AT_byte_size + .byte 12 # Abbrev [12] 0x89:0x31 DW_TAG_subprogram + .byte 1 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 86 + .long 154 # DW_AT_object_pointer + .byte 9 # DW_AT_linkage_name + .long 49 # DW_AT_specification + .byte 13 # Abbrev [13] 0x9a:0x9 DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 112 + .byte 14 # DW_AT_name + .long 221 # DW_AT_type + # DW_AT_artificial + .byte 14 # Abbrev [14] 0xa3:0x16 DW_TAG_inlined_subroutine + .long 137 # DW_AT_abstract_origin Manually Modified + .byte 2 # DW_AT_low_pc + .long .Ltmp3-.Ltmp2 # DW_AT_high_pc + .byte 0 # DW_AT_call_file + .byte 6 # DW_AT_call_line + .byte 37 # DW_AT_call_column + .byte 15 # Abbrev [15] 0xb0:0x8 DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 124 + .long 124 # DW_AT_abstract_origin + .byte 0 # End Of Children Mark + .byte 0 # End Of Children Mark + .byte 16 # Abbrev [16] 0xba:0x15 DW_TAG_subprogram + .byte 3 # DW_AT_low_pc + .long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 86 + .long 115 # DW_AT_abstract_origin + .byte 15 # Abbrev [15] 0xc6:0x8 DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 124 + .long 124 # DW_AT_abstract_origin + .byte 0 # End Of Children Mark + .byte 5 # Abbrev [5] 0xcf:0x5 DW_TAG_pointer_type + .long 212 # DW_AT_type + .byte 5 # Abbrev [5] 0xd4:0x5 DW_TAG_pointer_type + .long 217 # DW_AT_type + .byte 11 # Abbrev [11] 0xd9:0x4 DW_TAG_base_type + .byte 12 # DW_AT_name + .byte 6 # DW_AT_encoding + .byte 1 # DW_AT_byte_size + .byte 5 # Abbrev [5] 0xdd:0x5 DW_TAG_pointer_type + .long 43 # DW_AT_type + .byte 0 # End Of Children Mark +.Ldebug_info_end0: + .section .debug_rnglists,"",@progbits + .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length +.Ldebug_list_header_start0: + .short 5 # Version + .byte 8 # Address size + .byte 0 # Segment selector size + .long 1 # Offset entry count +.Lrnglists_table_base0: + .long .Ldebug_ranges0-.Lrnglists_table_base0 +.Ldebug_ranges0: + .byte 1 # DW_RLE_base_addressx + .byte 0 # base address index + .byte 4 # DW_RLE_offset_pair + .uleb128 .Lfunc_begin0-.Lfunc_begin0 # starting offset + .uleb128 .Lfunc_end0-.Lfunc_begin0 # ending offset + .byte 4 # DW_RLE_offset_pair + .uleb128 .Lfunc_begin2-.Lfunc_begin0 # starting offset + .uleb128 .Lfunc_end2-.Lfunc_begin0 # ending offset + .byte 3 # DW_RLE_startx_length + .byte 1 # start index + .uleb128 .Lfunc_end1-.Lfunc_begin1 # length + .byte 0 # DW_RLE_end_of_list +.Ldebug_list_header_end0: + .section .debug_str_offsets,"",@progbits + .long 64 # Length of String Offsets Set + .short 5 + .short 0 +.Lstr_offsets_base0: + .section .debug_str,"MS",@progbits,1 +.Linfo_string0: + .asciz "clang version 20.0.0git" # string offset=0 +.Linfo_string1: + .asciz "main.cpp" # string offset=24 +.Linfo_string2: + .asciz "abstractChainTwo" # string offset=33 +.Linfo_string3: + .asciz "State" # string offset=88 +.Linfo_string4: + .asciz "main" # string offset=94 +.Linfo_string5: + .asciz "_ZL3fooi" # string offset=99 +.Linfo_string6: + .asciz "foo" # string offset=108 +.Linfo_string7: + .asciz "int" # string offset=112 +.Linfo_string8: + .asciz "i" # string offset=116 +.Linfo_string9: + .asciz "_ZN5StateC2Ev" # string offset=118 +.Linfo_string10: + .asciz "argc" # string offset=132 +.Linfo_string11: + .asciz "argv" # string offset=137 +.Linfo_string12: + .asciz "char" # string offset=142 +.Linfo_string13: + .asciz "S" # string offset=147 +.Linfo_string14: + .asciz "this" # string offset=149 + .section .debug_str_offsets,"",@progbits + .long .Linfo_string0 + .long .Linfo_string1 + .long .Linfo_string2 + .long .Linfo_string3 + .long .Linfo_string5 + .long .Linfo_string6 + .long .Linfo_string7 + .long .Linfo_string8 + .long .Linfo_string4 + .long .Linfo_string9 + .long .Linfo_string10 + .long .Linfo_string11 + .long .Linfo_string12 + .long .Linfo_string13 + .long .Linfo_string14 + .section .debug_addr,"",@progbits + .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution +.Ldebug_addr_start0: + .short 5 # DWARF version number + .byte 8 # Address size + .byte 0 # Segment selector size +.Laddr_table_base0: + .quad .Lfunc_begin0 + .quad .Lfunc_begin1 + .quad .Ltmp2 + .quad .Lfunc_begin2 +.Ldebug_addr_end0: + .section .debug_names,"",@progbits + .long .Lnames_end0-.Lnames_start0 # Header: unit length +.Lnames_start0: + .short 5 # Header: version + .short 0 # Header: padding + .long 1 # Header: compilation unit count + .long 0 # Header: local type unit count + .long 0 # Header: foreign type unit count + .long 7 # Header: bucket count + .long 7 # Header: name count + .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size + .long 8 # Header: augmentation string size + .ascii "LLVM0700" # Header: augmentation string + .long .Lcu_begin0 # Compilation unit 0 + .long 1 # Bucket 0 + .long 2 # Bucket 1 + .long 0 # Bucket 2 + .long 3 # Bucket 3 + .long 0 # Bucket 4 + .long 5 # Bucket 5 + .long 0 # Bucket 6 + .long -685500246 # Hash in Bucket 0 + .long 274811398 # Hash in Bucket 1 + .long 193495088 # Hash in Bucket 3 + .long 2090499946 # Hash in Bucket 3 + .long 193491849 # Hash in Bucket 5 + .long 2090147939 # Hash in Bucket 5 + .long -71448558 # Hash in Bucket 5 + .long .Linfo_string5 # String in Bucket 0: _ZL3fooi + .long .Linfo_string3 # String in Bucket 1: State + .long .Linfo_string7 # String in Bucket 3: int + .long .Linfo_string4 # String in Bucket 3: main + .long .Linfo_string6 # String in Bucket 5: foo + .long .Linfo_string12 # String in Bucket 5: char + .long .Linfo_string9 # String in Bucket 5: _ZN5StateC2Ev + .long .Lnames5-.Lnames_entries0 # Offset in Bucket 0 + .long .Lnames0-.Lnames_entries0 # Offset in Bucket 1 + .long .Lnames2-.Lnames_entries0 # Offset in Bucket 3 + .long .Lnames1-.Lnames_entries0 # Offset in Bucket 3 + .long .Lnames4-.Lnames_entries0 # Offset in Bucket 5 + .long .Lnames6-.Lnames_entries0 # Offset in Bucket 5 + .long .Lnames3-.Lnames_entries0 # Offset in Bucket 5 +.Lnames_abbrev_start0: + .byte 1 # Abbrev code + .byte 29 # DW_TAG_inlined_subroutine + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 19 # DW_FORM_ref4 + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 2 # Abbrev code + .byte 46 # DW_TAG_subprogram + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 25 # DW_FORM_flag_present + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 3 # Abbrev code + .byte 2 # DW_TAG_class_type + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 25 # DW_FORM_flag_present + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 4 # Abbrev code + .byte 36 # DW_TAG_base_type + .byte 3 # DW_IDX_die_offset + .byte 19 # DW_FORM_ref4 + .byte 4 # DW_IDX_parent + .byte 25 # DW_FORM_flag_present + .byte 0 # End of abbrev + .byte 0 # End of abbrev + .byte 0 # End of abbrev list +.Lnames_abbrev_end0: +.Lnames_entries0: +.Lnames5: +.L1: + .byte 1 # Abbreviation code + .long 163 # DW_IDX_die_offset + .long .L2-.Lnames_entries0 # DW_IDX_parent +.L0: + .byte 2 # Abbreviation code + .long 186 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: _ZL3fooi +.Lnames0: +.L5: + .byte 3 # Abbreviation code + .long 43 # DW_IDX_die_offset +.L2: # DW_IDX_parent + .byte 2 # Abbreviation code + .long 137 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: State +.Lnames2: +.L4: + .byte 4 # Abbreviation code + .long 133 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: int +.Lnames1: +.L6: + .byte 2 # Abbreviation code + .long 66 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: main +.Lnames4: + .byte 1 # Abbreviation code + .long 163 # DW_IDX_die_offset + .long .L2-.Lnames_entries0 # DW_IDX_parent + .byte 2 # Abbreviation code + .long 186 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: foo +.Lnames6: +.L3: + .byte 4 # Abbreviation code + .long 217 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: char +.Lnames3: + .byte 2 # Abbreviation code + .long 137 # DW_IDX_die_offset + .byte 0 # DW_IDX_parent + # End of list: _ZN5StateC2Ev + .p2align 2, 0x0 +.Lnames_end0: + .ident "clang version 20.0.0git" + .section ".note.GNU-stack","",@progbits + .addrsig + .section .debug_line,"",@progbits +.Lline_table_start0: