uint32_t EntryOffsetsBase;
uint32_t EntriesBase;
- /// Reads an entry in the Bucket Array for the given Bucket. The returned
- /// value is a (1-based) index into the Names, StringOffsets and
- /// EntryOffsets arrays. The input Bucket index is 0-based.
- uint32_t getBucketArrayEntry(uint32_t Bucket) const;
-
/// Reads an entry in the Hash Array for the given Index. The input Index
/// is 1-based.
uint32_t getHashArrayEntry(uint32_t Index) const;
uint64_t getForeignTUSignature(uint32_t TU) const;
uint32_t getForeignTUCount() const { return Hdr.ForeignTypeUnitCount; }
+ /// Reads an entry in the Bucket Array for the given Bucket. The returned
+ /// value is a (1-based) index into the Names, StringOffsets and
+ /// EntryOffsets arrays. The input Bucket index is 0-based.
+ uint32_t getBucketArrayEntry(uint32_t Bucket) const;
+ uint32_t getBucketCount() const { return Hdr.BucketCount; }
+
+ uint32_t getNameCount() const { return Hdr.NameCount; }
+
llvm::Error extract();
+ uint32_t getUnitOffset() const { return Base; }
uint32_t getNextUnitOffset() const { return Base + 4 + Hdr.UnitLength; }
void dump(ScopedPrinter &W) const;
};
private:
- llvm::SmallVector<NameIndex, 0> NameIndices;
+ SmallVector<NameIndex, 0> NameIndices;
public:
DWARFDebugNames(const DWARFDataExtractor &AccelSection,
/// Look up all entries in the accelerator table matching \c Key.
iterator_range<ValueIterator> equal_range(StringRef Key) const;
+
+ using const_iterator = SmallVector<NameIndex, 0>::const_iterator;
+ const_iterator begin() const { return NameIndices.begin(); }
+ const_iterator end() const { return NameIndices.end(); }
};
} // end namespace llvm
class DWARFUnit;
class DWARFDataExtractor;
class DWARFDebugAbbrev;
+class DWARFDebugNames;
class DataExtractor;
struct DWARFSection;
DataExtractor *StrData,
const char *SectionName);
+ unsigned verifyDebugNamesCULists(const DWARFDebugNames &AccelTable);
+
+ /// Verify that the DWARF v5 accelerator table is valid.
+ ///
+ /// This function currently checks that:
+ /// - Headers and abbreviation tables of individual Name Indices fit into the
+ /// section and can be parsed.
+ /// - The CU lists reference existing compile units.
+ /// - The buckets have a valid index, or they are empty.
+ ///
+ /// \param AccelSection section containing the acceleration table
+ /// \param StrData string section
+ ///
+ /// \returns The number of errors occurred during verification
+ unsigned verifyDebugNames(const DWARFSection &AccelSection,
+ const DataExtractor &StrData);
+
public:
DWARFVerifier(raw_ostream &S, DWARFContext &D,
DIDumpOptions DumpOpts = DIDumpOptions::getForSingleDIE())
return NumErrors;
}
+unsigned
+DWARFVerifier::verifyDebugNamesCULists(const DWARFDebugNames &AccelTable) {
+ // A map from CU offset to the (first) Name Index offset which claims to index
+ // this CU.
+ DenseMap<uint32_t, uint32_t> CUMap;
+ const uint32_t NotIndexed = std::numeric_limits<uint32_t>::max();
+
+ CUMap.reserve(DCtx.getNumCompileUnits());
+ for (const auto &CU : DCtx.compile_units())
+ CUMap[CU->getOffset()] = NotIndexed;
+
+ unsigned NumErrors = 0;
+ for (const DWARFDebugNames::NameIndex &NI : AccelTable) {
+ if (NI.getCUCount() == 0) {
+ error() << formatv("Name Index @ {0:x} does not index any CU\n",
+ NI.getUnitOffset());
+ ++NumErrors;
+ continue;
+ }
+ for (uint32_t CU = 0, End = NI.getCUCount(); CU < End; ++CU) {
+ uint32_t Offset = NI.getCUOffset(CU);
+ auto Iter = CUMap.find(Offset);
+
+ if (Iter == CUMap.end()) {
+ error() << formatv(
+ "Name Index @ {0:x} references a non-existing CU @ {1:x}\n",
+ NI.getUnitOffset(), Offset);
+ ++NumErrors;
+ continue;
+ }
+
+ if (Iter->second != NotIndexed) {
+ error() << formatv("Name Index @ {0:x} references a CU @ {1:x}, but "
+ "this CU is already indexed by Name Index @ {2:x}\n",
+ NI.getUnitOffset(), Offset, Iter->second);
+ continue;
+ }
+ Iter->second = NI.getUnitOffset();
+ }
+ }
+
+ for (const auto &KV : CUMap) {
+ if (KV.second == NotIndexed)
+ warn() << formatv("CU @ {0:x} not covered by any Name Index\n", KV.first);
+ }
+
+ return NumErrors;
+}
+
+unsigned DWARFVerifier::verifyDebugNames(const DWARFSection &AccelSection,
+ const DataExtractor &StrData) {
+ unsigned NumErrors = 0;
+ DWARFDataExtractor AccelSectionData(DCtx.getDWARFObj(), AccelSection,
+ DCtx.isLittleEndian(), 0);
+ DWARFDebugNames AccelTable(AccelSectionData, StrData);
+
+ OS << "Verifying .debug_names...\n";
+
+ // This verifies that we can read individual name indices and their
+ // abbreviation tables.
+ if (Error E = AccelTable.extract()) {
+ error() << toString(std::move(E)) << '\n';
+ return 1;
+ }
+
+ NumErrors += verifyDebugNamesCULists(AccelTable);
+
+ for (const DWARFDebugNames::NameIndex &NI : AccelTable) {
+ for (uint32_t Bucket = 0, End = NI.getBucketCount(); Bucket < End;
+ ++Bucket) {
+ uint32_t Index = NI.getBucketArrayEntry(Bucket);
+ if (Index > NI.getNameCount()) {
+ error() << formatv("Bucket {0} of Name Index @ {1:x} contains invalid "
+ "value {2}. Valid range is [0, {3}].\n",
+ Bucket, NI.getUnitOffset(), Index,
+ NI.getNameCount());
+ ++NumErrors;
+ }
+ }
+ }
+
+ return NumErrors;
+}
+
bool DWARFVerifier::handleAccelTables() {
const DWARFObject &D = DCtx.getDWARFObj();
DataExtractor StrData(D.getStringSection(), DCtx.isLittleEndian(), 0);
if (!D.getAppleObjCSection().Data.empty())
NumErrors +=
verifyAppleAccelTable(&D.getAppleObjCSection(), &StrData, ".apple_objc");
+
+ if (!D.getDebugNamesSection().Data.empty())
+ NumErrors += verifyDebugNames(D.getDebugNamesSection(), StrData);
return NumErrors == 0;
}
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: Duplicate abbreviation code.
+
+ .section .debug_str,"MS",@progbits,1
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution 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 0 # Header: bucket count
+ .long 0 # Header: name count
+ .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+ .long .Lcu_begin0 # Compilation unit 0
+.Lnames_abbrev_start0:
+ .byte 46 # Abbrev code
+ .byte 46 # DW_TAG_subprogram
+ .byte 3 # DW_IDX_die_offset
+ .byte 6 # DW_FORM_data4
+ .byte 0 # End of abbrev
+ .byte 0 # End of abbrev
+ .byte 46 # Abbrev code
+ .byte 46 # DW_TAG_subprogram
+ .byte 3 # DW_IDX_die_offset
+ .byte 6 # DW_FORM_data4
+ .byte 0 # End of abbrev
+ .byte 0 # End of abbrev
+ .byte 0 # End of abbrev list
+.Lnames_abbrev_end0:
+.Lnames_end0:
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: Incorrectly terminated abbreviation table.
+
+ .section .debug_str,"MS",@progbits,1
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution 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 0 # Header: bucket count
+ .long 0 # Header: name count
+ .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+ .long .Lcu_begin0 # Compilation unit 0
+.Lnames_abbrev_start0:
+ .byte 46 # Abbrev code
+ .byte 46 # DW_TAG_subprogram
+.Lnames_abbrev_end0:
+.Lnames_end0:
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: error: Bucket 0 of Name Index @ 0x0 contains invalid value 2. Valid range is [0, 1].
+ .section .debug_str,"MS",@progbits,1
+.Lstring_foo:
+ .asciz "foo"
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 2 # Abbreviation Code
+ .byte 46 # DW_TAG_subprogram
+ .byte 0 # DW_CHILDREN_no
+ .byte 3 # DW_AT_name
+ .byte 14 # DW_FORM_strp
+ .byte 63 # DW_AT_external
+ .byte 25 # DW_FORM_flag_present
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+.Ldie_foo:
+ .byte 2 # Abbrev [2] DW_TAG_subprogram
+ .long .Lstring_foo # DW_AT_name
+ # DW_AT_external
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution 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 2 # Header: bucket count
+ .long 1 # Header: name count
+ .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+ .long .Lcu_begin0 # Compilation unit 0
+ .long 2 # Bucket 0
+ .long 1 # Bucket 1
+ .long 193491849 # Hash in Bucket 1
+ .long .Lstring_foo # String in Bucket 1: foo
+ .long .Lnames0-.Lnames_entries0 # Offset in Bucket 1
+.Lnames_abbrev_start0:
+ .byte 46 # Abbrev code
+ .byte 46 # DW_TAG_subprogram
+ .byte 3 # DW_IDX_die_offset
+ .byte 6 # DW_FORM_data4
+ .byte 0 # End of abbrev
+ .byte 0 # End of abbrev
+ .byte 0 # End of abbrev list
+.Lnames_abbrev_end0:
+.Lnames_entries0:
+.Lnames0:
+ .byte 46 # Abbrev code
+ .long .Ldie_foo-.Lcu_begin0 # DW_IDX_die_offset
+ .long 0 # End of list: foo
+ .p2align 2
+.Lnames_end0:
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: error: Name Index @ 0x0 does not index any CU
+# CHECK: error: Name Index @ 0x28 references a non-existing CU @ 0x1
+# CHECK: error: Name Index @ 0x58 references a CU @ 0x0, but this CU is already indexed by Name Index @ 0x28
+# CHECK: warning: CU @ 0x13 not covered by any Name Index
+
+ .section .debug_str,"MS",@progbits,1
+.Lstring_foo:
+ .asciz "foo"
+.Lstring_foo_mangled:
+ .asciz "_Z3foov"
+.Lstring_bar:
+ .asciz "bar"
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+.Lcu_begin1:
+ .long .Lcu_end1-.Lcu_start1 # Length of Unit
+.Lcu_start1:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end1:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution length
+.Lnames_start0:
+ .short 5 # Header: version
+ .short 0 # Header: padding
+ .long 0 # Header: compilation unit count
+ .long 0 # Header: local type unit count
+ .long 0 # Header: foreign type unit count
+ .long 0 # Header: bucket count
+ .long 0 # Header: name count
+ .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+.Lnames_abbrev_start0:
+ .byte 0 # End of abbrev list
+.Lnames_abbrev_end0:
+.p2align 2
+.Lnames_end0:
+
+ .long .Lnames_end1-.Lnames_start1 # Header: contribution length
+.Lnames_start1:
+ .short 5 # Header: version
+ .short 0 # Header: padding
+ .long 2 # Header: compilation unit count
+ .long 0 # Header: local type unit count
+ .long 0 # Header: foreign type unit count
+ .long 0 # Header: bucket count
+ .long 0 # Header: name count
+ .long .Lnames_abbrev_end1-.Lnames_abbrev_start1 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+ .long .Lcu_begin0 # Compilation unit 0
+ .long .Lcu_begin0+1 # Compilation unit 0
+.Lnames_abbrev_start1:
+ .byte 0 # End of abbrev list
+.Lnames_abbrev_end1:
+.p2align 2
+.Lnames_end1:
+
+ .long .Lnames_end2-.Lnames_start2 # Header: contribution length
+.Lnames_start2:
+ .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 0 # Header: bucket count
+ .long 0 # Header: name count
+ .long .Lnames_abbrev_end2-.Lnames_abbrev_start2 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+ .long .Lcu_begin0 # Compilation unit 0
+.Lnames_abbrev_start2:
+ .byte 0 # End of abbrev list
+.Lnames_abbrev_end2:
+.p2align 2
+.Lnames_end2:
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: Section too small: cannot read header.
+
+ .section .debug_str,"MS",@progbits,1
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution 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 2 # Header: bucket count
+ .long 3 # Header: name count
+ .long 47 # Header: abbreviation table size
+.Lnames_end0:
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: Section too small: cannot read header augmentation.
+
+ .section .debug_str,"MS",@progbits,1
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution 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 2 # Header: bucket count
+ .long 3 # Header: name count
+ .long 47 # Header: abbreviation table size
+ .long 8 # Header: augmentation length
+ .asciz "short" # Header: augmentation
+.Lnames_end0:
--- /dev/null
+# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
+# RUN: not llvm-dwarfdump -verify - | FileCheck %s
+
+# CHECK: Section too small: cannot read abbreviations.
+
+ .section .debug_str,"MS",@progbits,1
+.Lstring_producer:
+ .asciz "Hand-written dwarf"
+
+ .section .debug_abbrev,"",@progbits
+.Lsection_abbrev:
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .byte 37 # DW_AT_producer
+ .byte 14 # DW_FORM_strp
+ .byte 19 # DW_AT_language
+ .byte 5 # DW_FORM_data2
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+
+ .section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0-.Lcu_start0 # Length of Unit
+.Lcu_start0:
+ .short 4 # DWARF version number
+ .long .Lsection_abbrev # Offset Into Abbrev. Section
+ .byte 8 # Address Size (in bytes)
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .long .Lstring_producer # DW_AT_producer
+ .short 12 # DW_AT_language
+ .byte 0 # End Of Children Mark
+.Lcu_end0:
+
+ .section .debug_names,"",@progbits
+ .long .Lnames_end0-.Lnames_start0 # Header: contribution 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 0 # Header: bucket count
+ .long 0 # Header: name count
+ .long 47 # Header: abbreviation table size
+ .long 0 # Header: augmentation length
+ .long .Lcu_begin0 # Compilation unit 0
+.Lnames_abbrev_start0:
+ .byte 46 # Abbrev code
+ .byte 46 # DW_TAG_subprogram
+.Lnames_end0:
projects / platform / upstream / llvm.git / commitdiff