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Differential D40914

[NFC] Change the DWARF v5 string offsets table tests to generate the test object as part of the test.
ClosedPublic

Authored by wolfgangp on Dec 6 2017, 11:56 AM.

Details

Reviewers
aprantl
dblaikie
Summary

The DWARF v5 string offsets table tests currently use pre-generated object files that are checked into llvm/test/DebugInfo/Inputs. To avoid this, this change moves the assembly files that are used to generate the objects into DebugInfo/X86 and augments them to use llvm-mc to generate the objects as temporary files, and then goes on to do the actual test. This enables us to remove the objects as well as the test scripts.

Diff Detail

Event Timeline

wolfgangp created this revision.Dec 6 2017, 11:56 AM
Herald added a subscriber: JDevlieghere. · View Herald TranscriptDec 6 2017, 11:56 AM
aprantl accepted this revision.Dec 6 2017, 12:40 PM

That sounds like a good idea.

This revision is now accepted and ready to land.Dec 6 2017, 12:40 PM
JDevlieghere added a subscriber: davide.Dec 19 2017, 8:04 AM

This will likely not work on Darwin until we undo @davide's change in rL319995. I'm guessing that is the reason you didn't land this yet?

JDevlieghere added a comment.Dec 19 2017, 8:13 AM
In D40914#959534, @JDevlieghere wrote:

This will likely not work on Darwin until we undo @davide's change in rL319995. I'm guessing that is the reason you didn't land this yet?

nvm, I (mis)read line tables.

wolfgangp closed this revision.Dec 19 2017, 8:56 AM

Revision Contents

Diff 125776

test/DebugInfo/Inputs/dwarfdump-str-offsets-dwp.s

# Test object to verify that dwarfdump handles dwp files with DWARF v5 string
# offset tables. We have 2 CUs and 2 TUs, where it is assumed that
# CU1 and TU1 came from one object file, CU2 and TU2 from a second object
# file.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-dwp.s -filetype=obj \
# -o dwarfdump-str_offsets-dwp.x86_64.o
.section .debug_str.dwo,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU1:
.asciz "Type_Unit_1"
str_TU1_type:
.asciz "MyStruct_1"
str_TU2:
.asciz "Type_Unit_2"
str_TU2_type:
.asciz "MyStruct_2"
.section .debug_str_offsets.dwo,"",@progbits
# Object files 1's portion of the .debug_str_offsets.dwo section.
.debug_str_offsets_object_file1:
# CU1's contribution (from object file 1)
.debug_str_offsets_start_CU1:
.long .debug_str_offsets_end_CU1-.debug_str_offsets_base_CU1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_CU1:
.long str_producer-.debug_str.dwo
.long str_CU1-.debug_str.dwo
.long str_CU1_dir-.debug_str.dwo
.debug_str_offsets_end_CU1:
# TU1's contribution (from object file 1)
.debug_str_offsets_start_TU1:
.long .debug_str_offsets_end_TU1-.debug_str_offsets_base_TU1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_TU1:
.long str_TU1-.debug_str.dwo
.long str_TU1_type-.debug_str.dwo
.debug_str_offsets_end_TU1:
# Object files 2's portion of the .debug_str_offsets.dwo section.
.debug_str_offsets_object_file2:
# CU2's contribution (from object file 2)
.debug_str_offsets_start_CU2:
.long .debug_str_offsets_end_CU2-.debug_str_offsets_base_CU2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_CU2:
.long str_producer-.debug_str.dwo
.long str_CU2-.debug_str.dwo
.long str_CU2_dir-.debug_str.dwo
.debug_str_offsets_end_CU2:
# TU2's contribution (from object file 2)
.debug_str_offsets_start_TU2:
.long .debug_str_offsets_end_TU2-.debug_str_offsets_base_TU2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_TU2:
.long str_TU2-.debug_str.dwo
.long str_TU2_type-.debug_str.dwo
.debug_str_offsets_end_TU2:
# Abbrevs are shared for all compile and type units
.section .debug_abbrev.dwo,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
abbrev_end:
.section .debug_info.dwo,"",@progbits
# DWARF v5 CU header.
CU1_5_start:
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
# The DW_AT_str_offsets_base attribute for CU1 contains the offset of CU1's
# contribution relative to the start of object file 1's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_CU1-.debug_str_offsets_object_file1
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU1_5_end:
CU2_5_start:
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
# The DW_AT_str_offsets_base attribute for CU2 contains the offset of CU2's
# contribution relative to the start of object file 2's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_CU2-.debug_str_offsets_object_file2
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section .debug_types.dwo,"",@progbits
# DWARF v5 Type unit header.
TU1_5_start:
.long TU1_5_end-TU1_5_version # Length of Unit
TU1_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU1_5_type-TU1_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
# The DW_AT_str_offsets_base attribute for TU1 contains the offset of TU1's
# contribution relative to the start of object file 1's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_TU1-.debug_str_offsets_object_file1
# The type DIE, which has a name.
TU1_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU1_5_end:
TU2_5_start:
.long TU2_5_end-TU2_5_version # Length of Unit
TU2_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
.quad 0x00aabbccddeeff99 # Type Signature
.long TU2_5_type-TU2_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
# The DW_AT_str_offsets_base attribute for TU2 contains the offset of TU2's
# contribution relative to the start of object file 2's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_TU2-.debug_str_offsets_object_file2
# The type DIE, which has a name.
TU2_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU2_5_end:
.section .debug_cu_index,"",@progbits
# The index header
.long 2 # Version
.long 3 # Columns of contribution matrix
.long 2 # number of units
.long 2 # number of hash buckets in table
# The signatures for both CUs.
.quad 0xddeeaaddbbaabbee # signature 1
.quad 0xff00ffeeffaaff00 # signature 2
# The indexes for both CUs.
.long 1 # index 1
.long 2 # index 2
# The sections to which both CUs contribute.
.long 1 # DW_SECT_INFO
.long 3 # DW_SECT_ABBREV
.long 6 # DW_SECT_STR_OFFSETS
# The starting offsets of both CU's contributions to info,
# abbrev and string offsets table.
.long CU1_5_start-.debug_info.dwo
.long 0
.long .debug_str_offsets_object_file1-.debug_str_offsets.dwo
.long CU2_5_start-.debug_info.dwo
.long 0
.long .debug_str_offsets_object_file2-.debug_str_offsets.dwo
# The lengths of both CU's contributions to info, abbrev and
# string offsets table.
.long CU1_5_end-CU1_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_CU1-.debug_str_offsets_start_CU1
.long CU2_5_end-CU2_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_CU2-.debug_str_offsets_start_CU2
.section .debug_tu_index,"",@progbits
# The index header
.long 2 # Version
.long 3 # Columns of contribution matrix
.long 2 # number of units
.long 2 # number of hash buckets in table
# The signatures for both TUs.
.quad 0xeeaaddbbaabbeedd # signature 1
.quad 0x00ffeeffaaff00ff # signature 2
# The indexes for both TUs.
.long 1 # index 1
.long 2 # index 2
# The sections to which both TUs contribute.
.long 2 # DW_SECT_TYPES
.long 3 # DW_SECT_ABBREV
.long 6 # DW_SECT_STR_OFFSETS
# The starting offsets of both TU's contributions to info,
# abbrev and string offsets table.
.long TU1_5_start-.debug_types.dwo
.long 0
.long .debug_str_offsets_object_file1-.debug_str_offsets.dwo
.long TU2_5_start-.debug_types.dwo
.long 0
.long .debug_str_offsets_object_file2-.debug_str_offsets.dwo
# The lengths of both TU's contributions to info, abbrev and
# string offsets table.
.long TU1_5_end-TU1_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_TU1-.debug_str_offsets_start_TU1
.long TU2_5_end-TU2_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_TU2-.debug_str_offsets_start_TU2

test/DebugInfo/Inputs/dwarfdump-str-offsets-dwp.x86_64.o

  • This is a binary file.

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-1.s

# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-invalid-1.s -filetype=obj \
# -o dwarfdump-str-offsets-invalid-1.x86_64.o
#
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
.section .debug_str_offsets,"",@progbits
# A degenerate section, not enough for a single contribution size.
.byte 2

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-1.x86_64.o

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test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-2.s

# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-invalid-2.s -filetype=obj \
# -o dwarfdump-str-offsets-invalid-2.x86_64.o
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
.section .debug_str_offsets,"",@progbits
# A degenerate section with fewer bytes than required for a DWARF64 size.
.long 0xffffffff
.long 0
.short 4

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-2.x86_64.o

  • This is a binary file.

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-3.s

# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-invalid-3.s -filetype=obj \
# -o dwarfdump-str-offsets-invalid-3.x86_64.o
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
.section .debug_str.dwo,"MS",@progbits,1
dwo_str_CU_5_producer:
.asciz "Handmade split DWARF producer"
dwo_str_CU_5_name:
.asciz "V5_split_compile_unit"
dwo_str_CU_5_comp_dir:
.asciz "/home/test/splitCU"
dwo_str_TU_5:
.asciz "V5_split_type_unit"
dwo_str_TU_5_type:
.asciz "V5_split_Mystruct"
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
.section .debug_str_offsets,"",@progbits
# CU1's contribution
# Invalid length
.long 0xfffffffe
.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.debug_str_offsets_segment0_end:
# CU2's contribution
.long .debug_str_offsets_segment1_end-.debug_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base1:
.long str_producer
.long str_CU2
.long str_CU2_dir
.debug_str_offsets_segment1_end:
# The TU's contribution
.long .debug_str_offsets_segment2_end-.debug_str_offsets_base2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base2:
.long str_TU
.long str_TU_type
.debug_str_offsets_segment2_end:

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-3.x86_64.o

  • This is a binary file.

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-4.s

# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-invalid-4.s -filetype=obj \
# -o dwarfdump-str-offsets-invalid-4.x86_64.o
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
# Every unit contributes to the string_offsets table.
.section .debug_str_offsets,"",@progbits
# CU1's contribution
# The length is not a multiple of 4. Check that we don't read off the
# end.
.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base0:
.long str_producer
.long str_CU1
.byte 0
.debug_str_offsets_segment0_end:

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-4.x86_64.o

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test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-5.s

# Test object to verify that llvm-dwarfdump handles a degenerate string offsets
# section.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-invalid-5.s -filetype=obj \
# -o dwarfdump-str-offsets-invalid-5.x86_64.o
# Every unit contributes to the string_offsets table.
.section .debug_str_offsets,"",@progbits
# A degenerate section, not enough for a single entry.
.byte 2

test/DebugInfo/Inputs/dwarfdump-str-offsets-invalid-5.x86_64.o

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test/DebugInfo/Inputs/dwarfdump-str-offsets-macho.o

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test/DebugInfo/Inputs/dwarfdump-str-offsets-macho.s

# Test object to verify dwarfdump handles v5 string offset tables in Mach-O.
# This is similar to dwarfdump-str-offsets.s with 2 CUs and 1 TU, but no
# split sections.
#
# To generate the test object:
# llvm-mc -triple i386-apple-darwin9 dwarfdump-str-offsets-macho.s -filetype=obj \
# -o dwarfdump-str-offsets-macho.o
.section __DWARF,__debug_str,regular,debug
Linfo_string:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
str_Subprogram:
.asciz "MyFunc"
str_Variable1:
.asciz "MyVar1"
str_Variable2:
.asciz "MyVar2"
str_Variable3:
.asciz "MyVar3"
.section __DWARF,__debug_str_offs,regular,debug
Ldebug_str_offsets:
.long Ldebug_str_offsets_segment0_end-Ldebug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.long str_Subprogram
.long str_Variable1
.long str_Variable2
.long str_Variable3
Ldebug_str_offsets_segment0_end:
# CU2's contribution
.long Ldebug_str_offsets_segment1_end-Ldebug_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base1:
.long str_producer
.long str_CU2
.long str_CU2_dir
Ldebug_str_offsets_segment1_end:
# The TU's contribution
.long Ldebug_str_offsets_segment2_end-Ldebug_str_offsets_base2
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base2:
.long str_TU
.long str_TU_type
Ldebug_str_offsets_segment2_end:
.section __DWARF,__debug_abbrev,regular,debug
Lsection_abbrev:
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x04 # Abbrev code
.byte 0x2e # DW_TAG_subprogram
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x25 # DW_FORM_strx1
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x05 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x26 # DW_FORM_strx2
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x06 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x27 # DW_FORM_strx3
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x07 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x28 # DW_FORM_strx4
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
.section __DWARF,__debug_info,regular,debug
Lsection_info:
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long Ldebug_str_offsets_base0-Ldebug_str_offsets
.byte 2 # The index of the comp dir string
# A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
.byte 4 # Abbreviation code
.byte 3 # Subprogram name string (DW_FORM_strx1)
# A variable DIE with DW_AT_name, using DW_FORM_strx2.
.byte 5 # Abbreviation code
.short 0x0004 # Subprogram name string (DW_FORM_strx2)
# A variable DIE with DW_AT_name, using DW_FORM_strx3.
.byte 6 # Abbreviation code
.byte 5 # Subprogram name string (DW_FORM_strx3)
.short 0 # Subprogram name string (DW_FORM_strx3)
# A variable DIE with DW_AT_name, using DW_FORM_strx4.
.byte 7 # Abbreviation code
.quad 0x00000006 # Subprogram name string (DW_FORM_strx4)
.byte 0 # NULL
.byte 0 # NULL
.byte 0 # NULL
CU1_5_end:
# DWARF v5 CU header
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long Ldebug_str_offsets_base1-Ldebug_str_offsets
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section __DWARF,__debug_types,regular,debug
# DWARF v5 Type unit header.
TU_5_start:
.long TU_5_end-TU_5_version # Length of Unit
TU_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU_5_type-TU_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
.long Ldebug_str_offsets_base2-Ldebug_str_offsets # offset into the str_offsets section
# The type DIE, which has a name.
TU_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_5_end:
.subsections_via_symbols

test/DebugInfo/Inputs/dwarfdump-str-offsets.s

# Test object to verify dwarfdump handles v5 string offset tables.
# We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets.s -filetype=obj \
# -o dwarfdump-str-offsets.x86_64.o
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
str_Subprogram:
.asciz "MyFunc"
str_Variable1:
.asciz "MyVar1"
str_Variable2:
.asciz "MyVar2"
str_Variable3:
.asciz "MyVar3"
# Every unit contributes to the string_offsets table.
.section .debug_str_offsets,"",@progbits
# CU1's contribution
.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.long str_Subprogram
.long str_Variable1
.long str_Variable2
.long str_Variable3
.debug_str_offsets_segment0_end:
# CU2's contribution
.long .debug_str_offsets_segment1_end-.debug_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base1:
.long str_producer
.long str_CU2
.long str_CU2_dir
.debug_str_offsets_segment1_end:
# The TU's contribution
.long .debug_str_offsets_segment2_end-.debug_str_offsets_base2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base2:
.long str_TU
.long str_TU_type
.debug_str_offsets_segment2_end:
.section .debug_str.dwo,"MS",@progbits,1
dwo_str_CU_5_producer:
.asciz "Handmade split DWARF producer"
dwo_str_CU_5_name:
.asciz "V5_split_compile_unit"
dwo_str_CU_5_comp_dir:
.asciz "/home/test/splitCU"
dwo_str_TU_5:
.asciz "V5_split_type_unit"
dwo_str_TU_5_type:
.asciz "V5_split_Mystruct"
.section .debug_str_offsets.dwo,"",@progbits
# The split CU's contribution
.long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_dwo_str_offsets_base0:
.long dwo_str_CU_5_producer-.debug_str.dwo
.long dwo_str_CU_5_name-.debug_str.dwo
.long dwo_str_CU_5_comp_dir-.debug_str.dwo
.debug_dwo_str_offsets_segment0_end:
# The split TU's contribution
.long .debug_dwo_str_offsets_segment1_end-.debug_dwo_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
.debug_dwo_str_offsets_base1:
.long dwo_str_TU_5-.debug_str.dwo
.long dwo_str_TU_5_type-.debug_str.dwo
.debug_dwo_str_offsets_segment1_end:
# All CUs/TUs use the same abbrev section for simplicity.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x04 # Abbrev code
.byte 0x2e # DW_TAG_subprogram
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x25 # DW_FORM_strx1
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x05 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x26 # DW_FORM_strx2
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x06 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x27 # DW_FORM_strx3
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x07 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x28 # DW_FORM_strx4
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# And a .dwo copy of a subset for the .dwo sections.
.section .debug_abbrev.dwo,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long .debug_str_offsets_base0
.byte 2 # The index of the comp dir string
# A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
.byte 4 # Abbreviation code
.byte 3 # Subprogram name string (DW_FORM_strx1)
# A variable DIE with DW_AT_name, using DW_FORM_strx2.
.byte 5 # Abbreviation code
.short 0x0004 # Subprogram name string (DW_FORM_strx2)
# A variable DIE with DW_AT_name, using DW_FORM_strx3.
.byte 6 # Abbreviation code
.byte 5 # Subprogram name string (DW_FORM_strx3)
.short 0 # Subprogram name string (DW_FORM_strx3)
# A variable DIE with DW_AT_name, using DW_FORM_strx4.
.byte 7 # Abbreviation code
.quad 0x00000006 # Subprogram name string (DW_FORM_strx4)
.byte 0 # NULL
.byte 0 # NULL
.byte 0 # NULL
CU1_5_end:
# DWARF v5 CU header
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long .debug_str_offsets_base1
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section .debug_types,"",@progbits
# DWARF v5 Type unit header.
TU_5_start:
.long TU_5_end-TU_5_version # Length of Unit
TU_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU_5_type-TU_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
.long .debug_str_offsets_base2 # offset into the str_offsets section
# The type DIE, which has a name.
TU_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_5_end:
.section .debug_info.dwo,"",@progbits
# DWARF v5 split CU header.
.long CU_split_5_end-CU_split_5_version # Length of Unit
CU_split_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long .debug_dwo_str_offsets_base0-.debug_str_offsets.dwo
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU_split_5_end:
.section .debug_types.dwo,"",@progbits
# DWARF v5 split type unit header.
TU_split_5_start:
.long TU_split_5_end-TU_split_5_version # Length of Unit
TU_split_5_version:
.short 5 # DWARF version number
.byte 6 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev Section
.quad 0x8899aabbccddeeff # Type Signature
.long TU_split_5_type-TU_split_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # The index of the type unit name string
.long .debug_dwo_str_offsets_base1-.debug_str_offsets.dwo
# The type DIE, which has a name.
TU_split_5_type:
.byte 3 # Abbreviation code
.byte 1 # The index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_split_5_end:

test/DebugInfo/Inputs/dwarfdump-str-offsets.x86_64.o

  • This is a binary file.

test/DebugInfo/X86/dwarfdump-str-offsets-dwp.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck %s
# Test object to verify that dwarfdump handles dwp files with DWARF v5 string
# offset tables. We have 2 CUs and 2 TUs, where it is assumed that
# CU1 and TU1 came from one object file, CU2 and TU2 from a second object
# file.
#
.section .debug_str.dwo,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU1:
.asciz "Type_Unit_1"
str_TU1_type:
.asciz "MyStruct_1"
str_TU2:
.asciz "Type_Unit_2"
str_TU2_type:
.asciz "MyStruct_2"
.section .debug_str_offsets.dwo,"",@progbits
# Object files 1's portion of the .debug_str_offsets.dwo section.
.debug_str_offsets_object_file1:
# CU1's contribution (from object file 1)
.debug_str_offsets_start_CU1:
.long .debug_str_offsets_end_CU1-.debug_str_offsets_base_CU1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_CU1:
.long str_producer-.debug_str.dwo
.long str_CU1-.debug_str.dwo
.long str_CU1_dir-.debug_str.dwo
.debug_str_offsets_end_CU1:
# TU1's contribution (from object file 1)
.debug_str_offsets_start_TU1:
.long .debug_str_offsets_end_TU1-.debug_str_offsets_base_TU1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_TU1:
.long str_TU1-.debug_str.dwo
.long str_TU1_type-.debug_str.dwo
.debug_str_offsets_end_TU1:
# Object files 2's portion of the .debug_str_offsets.dwo section.
.debug_str_offsets_object_file2:
# CU2's contribution (from object file 2)
.debug_str_offsets_start_CU2:
.long .debug_str_offsets_end_CU2-.debug_str_offsets_base_CU2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_CU2:
.long str_producer-.debug_str.dwo
.long str_CU2-.debug_str.dwo
.long str_CU2_dir-.debug_str.dwo
.debug_str_offsets_end_CU2:
# TU2's contribution (from object file 2)
.debug_str_offsets_start_TU2:
.long .debug_str_offsets_end_TU2-.debug_str_offsets_base_TU2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_TU2:
.long str_TU2-.debug_str.dwo
.long str_TU2_type-.debug_str.dwo
.debug_str_offsets_end_TU2:
# Abbrevs are shared for all compile and type units
.section .debug_abbrev.dwo,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
abbrev_end:
.section .debug_info.dwo,"",@progbits
# DWARF v5 CU header.
CU1_5_start:
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
# The DW_AT_str_offsets_base attribute for CU1 contains the offset of CU1's
# contribution relative to the start of object file 1's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_CU1-.debug_str_offsets_object_file1
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU1_5_end:
CU2_5_start:
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
# The DW_AT_str_offsets_base attribute for CU2 contains the offset of CU2's
# contribution relative to the start of object file 2's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_CU2-.debug_str_offsets_object_file2
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section .debug_types.dwo,"",@progbits
# DWARF v5 Type unit header.
TU1_5_start:
.long TU1_5_end-TU1_5_version # Length of Unit
TU1_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU1_5_type-TU1_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
# The DW_AT_str_offsets_base attribute for TU1 contains the offset of TU1's
# contribution relative to the start of object file 1's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_TU1-.debug_str_offsets_object_file1
# The type DIE, which has a name.
TU1_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU1_5_end:
TU2_5_start:
.long TU2_5_end-TU2_5_version # Length of Unit
TU2_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
.quad 0x00aabbccddeeff99 # Type Signature
.long TU2_5_type-TU2_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
# The DW_AT_str_offsets_base attribute for TU2 contains the offset of TU2's
# contribution relative to the start of object file 2's portion of the
# .debug_str_offsets section.
.long .debug_str_offsets_base_TU2-.debug_str_offsets_object_file2
# The type DIE, which has a name.
TU2_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU2_5_end:
.section .debug_cu_index,"",@progbits
# The index header
.long 2 # Version
.long 3 # Columns of contribution matrix
.long 2 # number of units
.long 2 # number of hash buckets in table
# The signatures for both CUs.
.quad 0xddeeaaddbbaabbee # signature 1
.quad 0xff00ffeeffaaff00 # signature 2
# The indexes for both CUs.
.long 1 # index 1
.long 2 # index 2
# The sections to which both CUs contribute.
.long 1 # DW_SECT_INFO
.long 3 # DW_SECT_ABBREV
.long 6 # DW_SECT_STR_OFFSETS
# The starting offsets of both CU's contributions to info,
# abbrev and string offsets table.
.long CU1_5_start-.debug_info.dwo
.long 0
.long .debug_str_offsets_object_file1-.debug_str_offsets.dwo
.long CU2_5_start-.debug_info.dwo
.long 0
.long .debug_str_offsets_object_file2-.debug_str_offsets.dwo
# The lengths of both CU's contributions to info, abbrev and
# string offsets table.
.long CU1_5_end-CU1_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_CU1-.debug_str_offsets_start_CU1
.long CU2_5_end-CU2_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_CU2-.debug_str_offsets_start_CU2
.section .debug_tu_index,"",@progbits
# The index header
.long 2 # Version
.long 3 # Columns of contribution matrix
.long 2 # number of units
.long 2 # number of hash buckets in table
# The signatures for both TUs.
.quad 0xeeaaddbbaabbeedd # signature 1
.quad 0x00ffeeffaaff00ff # signature 2
# The indexes for both TUs.
.long 1 # index 1
.long 2 # index 2
# The sections to which both TUs contribute.
.long 2 # DW_SECT_TYPES
.long 3 # DW_SECT_ABBREV
.long 6 # DW_SECT_STR_OFFSETS
# The starting offsets of both TU's contributions to info,
# abbrev and string offsets table.
.long TU1_5_start-.debug_types.dwo
.long 0
.long .debug_str_offsets_object_file1-.debug_str_offsets.dwo
.long TU2_5_start-.debug_types.dwo
.long 0
.long .debug_str_offsets_object_file2-.debug_str_offsets.dwo
# The lengths of both TU's contributions to info, abbrev and
# string offsets table.
.long TU1_5_end-TU1_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_TU1-.debug_str_offsets_start_TU1
.long TU2_5_end-TU2_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_end_TU2-.debug_str_offsets_start_TU2
# Verify that the correct strings from each unit are displayed and that the
# index for the .debug_str_offsets section has the right values.
# CHECK: Compile Unit
# CHECK-NOT: NULL
# CHECK: DW_TAG_compile_unit
# CHECK-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
# CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
# CHECK-NOT: NULL
# CHECK: Compile Unit
# CHECK-NOT: NULL
# CHECK: DW_TAG_compile_unit
# CHECK-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
# CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
#
# CHECK: Type Unit
# CHECK-NOT: NULL
# CHECK: DW_TAG_type_unit
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit_1")
# CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
# CHECK-NOT: NULL
# CHECK: DW_TAG_structure_type
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct_1")
#
# CHECK: Type Unit
# CHECK-NOT: NULL
# CHECK: DW_TAG_type_unit
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit_2")
# CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
# CHECK-NOT: NULL
# CHECK: DW_TAG_structure_type
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct_2")
# Verify the correct offets of the compile and type units contributions in the
# index tables.
# CHECK: .debug_cu_index contents:
# CHECK-NOT: contents:
# CHECK: 1 0xddeeaaddbbaabbee [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
# CHECK-SAME: [0x00000000
# CHECK-NEXT: 2 0xff00ffeeffaaff00 [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
# CHECK-SAME: [0x00000024
# CHECK: .debug_tu_index contents:
# CHECK-NOT: contents:
# CHECK: 1 0xeeaaddbbaabbeedd [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
# CHECK-SAME: [0x00000000
# CHECK-NEXT: 2 0x00ffeeffaaff00ff [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
# CHECK: [0x00000024

test/DebugInfo/X86/dwarfdump-str-offsets-invalid-1.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDCONTRIB %s
#
# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
#
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
.section .debug_str_offsets,"",@progbits
# A degenerate section, not enough for a single contribution size.
.byte 2
# INVALIDCONTRIB: .debug_str_offsets contents:
# INVALIDCONTRIB-NOT: contents:
# INVALIDCONTRIB: error: invalid contribution to string offsets table in section .debug_str_offsets.

test/DebugInfo/X86/dwarfdump-str-offsets-invalid-2.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDCONTRIB %s
#
# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
#
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
.section .debug_str_offsets,"",@progbits
# A degenerate section with fewer bytes than required for a DWARF64 size.
.long 0xffffffff
.long 0
.short 4
# INVALIDCONTRIB: .debug_str_offsets contents:
# INVALIDCONTRIB-NOT: contents:
# INVALIDCONTRIB: error: invalid contribution to string offsets table in section .debug_str_offsets.

test/DebugInfo/X86/dwarfdump-str-offsets-invalid-3.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDCONTRIB %s
#
# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
.section .debug_str.dwo,"MS",@progbits,1
dwo_str_CU_5_producer:
.asciz "Handmade split DWARF producer"
dwo_str_CU_5_name:
.asciz "V5_split_compile_unit"
dwo_str_CU_5_comp_dir:
.asciz "/home/test/splitCU"
dwo_str_TU_5:
.asciz "V5_split_type_unit"
dwo_str_TU_5_type:
.asciz "V5_split_Mystruct"
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
.section .debug_str_offsets,"",@progbits
# CU1's contribution
# Invalid length
.long 0xfffffffe
.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.debug_str_offsets_segment0_end:
# CU2's contribution
.long .debug_str_offsets_segment1_end-.debug_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base1:
.long str_producer
.long str_CU2
.long str_CU2_dir
.debug_str_offsets_segment1_end:
# The TU's contribution
.long .debug_str_offsets_segment2_end-.debug_str_offsets_base2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base2:
.long str_TU
.long str_TU_type
.debug_str_offsets_segment2_end:
# INVALIDCONTRIB: .debug_str_offsets contents:
# INVALIDCONTRIB-NOT: contents:
# INVALIDCONTRIB: error: invalid contribution to string offsets table in section .debug_str_offsets.

test/DebugInfo/X86/dwarfdump-str-offsets-invalid-4.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDLENGTH %s
#
# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table.
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
# A rudimentary abbrev section.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# A rudimentary compile unit to convince dwarfdump that we are dealing with a
# DWARF v5 string offsets table.
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# A compile-unit DIE, which has no attributes.
.byte 1 # Abbreviation code
CU1_5_end:
# Every unit contributes to the string_offsets table.
.section .debug_str_offsets,"",@progbits
# CU1's contribution
# The length is not a multiple of 4. Check that we don't read off the
# end.
.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base0:
.long str_producer
.long str_CU1
.byte 0
.debug_str_offsets_segment0_end:
# INVALIDLENGTH: .debug_str_offsets contents:
# INVALIDLENGTH-NOT: contents:
# INVALIDLENGTH: error: contribution to string offsets table in section .debug_str_offsets has invalid length.

test/DebugInfo/X86/dwarfdump-str-offsets-invalid-5.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDSECTIONLENGTH %s
#
# Test object to verify that llvm-dwarfdump handles a degenerate string offsets
# section.
#
# Every unit contributes to the string_offsets table.
.section .debug_str_offsets,"",@progbits
# A degenerate section, not enough for a single entry.
.byte 2
# INVALIDSECTIONLENGTH: .debug_str_offsets contents:
# INVALIDSECTIONLENGTH-NOT: contents:
# INVALIDSECTIONLENGTH: error: size of .debug_str_offsets is not a multiple of 4.

test/DebugInfo/X86/dwarfdump-str-offsets-macho.s

# RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=COMMON %s
#
# Test object to verify dwarfdump handles v5 string offset tables in Mach-O.
# This is similar to dwarfdump-str-offsets.s with 2 CUs and 1 TU, but no
# split sections.
#
.section __DWARF,__debug_str,regular,debug
Linfo_string:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
str_Subprogram:
.asciz "MyFunc"
str_Variable1:
.asciz "MyVar1"
str_Variable2:
.asciz "MyVar2"
str_Variable3:
.asciz "MyVar3"
.section __DWARF,__debug_str_offs,regular,debug
Ldebug_str_offsets:
.long Ldebug_str_offsets_segment0_end-Ldebug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.long str_Subprogram
.long str_Variable1
.long str_Variable2
.long str_Variable3
Ldebug_str_offsets_segment0_end:
# CU2's contribution
.long Ldebug_str_offsets_segment1_end-Ldebug_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base1:
.long str_producer
.long str_CU2
.long str_CU2_dir
Ldebug_str_offsets_segment1_end:
# The TU's contribution
.long Ldebug_str_offsets_segment2_end-Ldebug_str_offsets_base2
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base2:
.long str_TU
.long str_TU_type
Ldebug_str_offsets_segment2_end:
.section __DWARF,__debug_abbrev,regular,debug
Lsection_abbrev:
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x04 # Abbrev code
.byte 0x2e # DW_TAG_subprogram
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x25 # DW_FORM_strx1
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x05 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x26 # DW_FORM_strx2
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x06 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x27 # DW_FORM_strx3
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x07 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x28 # DW_FORM_strx4
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
.section __DWARF,__debug_info,regular,debug
Lsection_info:
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long Ldebug_str_offsets_base0-Ldebug_str_offsets
.byte 2 # The index of the comp dir string
# A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
.byte 4 # Abbreviation code
.byte 3 # Subprogram name string (DW_FORM_strx1)
# A variable DIE with DW_AT_name, using DW_FORM_strx2.
.byte 5 # Abbreviation code
.short 0x0004 # Subprogram name string (DW_FORM_strx2)
# A variable DIE with DW_AT_name, using DW_FORM_strx3.
.byte 6 # Abbreviation code
.byte 5 # Subprogram name string (DW_FORM_strx3)
.short 0 # Subprogram name string (DW_FORM_strx3)
# A variable DIE with DW_AT_name, using DW_FORM_strx4.
.byte 7 # Abbreviation code
.quad 0x00000006 # Subprogram name string (DW_FORM_strx4)
.byte 0 # NULL
.byte 0 # NULL
.byte 0 # NULL
CU1_5_end:
# DWARF v5 CU header
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long Ldebug_str_offsets_base1-Ldebug_str_offsets
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section __DWARF,__debug_types,regular,debug
# DWARF v5 Type unit header.
TU_5_start:
.long TU_5_end-TU_5_version # Length of Unit
TU_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU_5_type-TU_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
.long Ldebug_str_offsets_base2-Ldebug_str_offsets # offset into the str_offsets section
# The type DIE, which has a name.
TU_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_5_end:
.subsections_via_symbols
# We are using a hand-constructed object file and are interest in the correct
# diplay of the DW_str_offsetsbase attribute and the correct display of strings.
#
# Abbreviation for DW_AT_str_offsets_base
# COMMON: .debug_abbrev contents:
# COMMON-NOT: contents:
# COMMON: DW_TAG_compile_unit
# COMMON-NOT: DW_TAG
# COMMON: DW_AT_str_offsets_base DW_FORM_sec_offset
#
# Verify that strings are displayed correctly as indexed strings
# COMMON: .debug_info contents:
# COMMON-NOT: contents:
# COMMON: DW_TAG_compile_unit
# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
# COMMON-NOT: NULL
# COMMON: DW_TAG_subprogram
# COMMON-NEXT: DW_AT_name [DW_FORM_strx1] ( indexed (00000003) string = "MyFunc")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx2] ( indexed (00000004) string = "MyVar1")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx3] ( indexed (00000005) string = "MyVar2")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx4] ( indexed (00000006) string = "MyVar3")
#
# Second compile unit (b.cpp)
# COMMON: DW_TAG_compile_unit
# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000002c)
# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
#
# The type unit
# COMMON: .debug_types contents:
# COMMON: DW_TAG_type_unit
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000040)
# COMMON: DW_TAG_structure_type
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct")
#
# The .debug_str_offsets section
# COMMON: .debug_str_offsets contents:
# COMMON-NEXT: 0x00000000: Contribution size = 28, Version = 5
# COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
# COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
# COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
# COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
# COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
# COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
# COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
# COMMON-NEXT: 0x00000024: Contribution size = 12, Version = 5
# COMMON-NEXT: 0x0000002c: 00000000 "Handmade DWARF producer"
# COMMON-NEXT: 0x00000030: 00000036 "Compile_Unit_2"
# COMMON-NEXT: 0x00000034: 00000045 "/home/test/CU2"
# COMMON-NEXT: 0x00000038: Contribution size = 8, Version = 5
# COMMON-NEXT: 0x00000040: 00000054 "Type_Unit"
# COMMON-NEXT: 0x00000044: 0000005e "MyStruct"

test/DebugInfo/X86/dwarfdump-str-offsets.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=COMMON --check-prefix=SPLIT %s
# Test object to verify dwarfdump handles v5 string offset tables.
# We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU.
#
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
str_Subprogram:
.asciz "MyFunc"
str_Variable1:
.asciz "MyVar1"
str_Variable2:
.asciz "MyVar2"
str_Variable3:
.asciz "MyVar3"
# Every unit contributes to the string_offsets table.
.section .debug_str_offsets,"",@progbits
# CU1's contribution
.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.long str_Subprogram
.long str_Variable1
.long str_Variable2
.long str_Variable3
.debug_str_offsets_segment0_end:
# CU2's contribution
.long .debug_str_offsets_segment1_end-.debug_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base1:
.long str_producer
.long str_CU2
.long str_CU2_dir
.debug_str_offsets_segment1_end:
# The TU's contribution
.long .debug_str_offsets_segment2_end-.debug_str_offsets_base2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base2:
.long str_TU
.long str_TU_type
.debug_str_offsets_segment2_end:
.section .debug_str.dwo,"MS",@progbits,1
dwo_str_CU_5_producer:
.asciz "Handmade split DWARF producer"
dwo_str_CU_5_name:
.asciz "V5_split_compile_unit"
dwo_str_CU_5_comp_dir:
.asciz "/home/test/splitCU"
dwo_str_TU_5:
.asciz "V5_split_type_unit"
dwo_str_TU_5_type:
.asciz "V5_split_Mystruct"
.section .debug_str_offsets.dwo,"",@progbits
# The split CU's contribution
.long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0
.short 5 # DWARF version
.short 0 # Padding
.debug_dwo_str_offsets_base0:
.long dwo_str_CU_5_producer-.debug_str.dwo
.long dwo_str_CU_5_name-.debug_str.dwo
.long dwo_str_CU_5_comp_dir-.debug_str.dwo
.debug_dwo_str_offsets_segment0_end:
# The split TU's contribution
.long .debug_dwo_str_offsets_segment1_end-.debug_dwo_str_offsets_base1
.short 5 # DWARF version
.short 0 # Padding
.debug_dwo_str_offsets_base1:
.long dwo_str_TU_5-.debug_str.dwo
.long dwo_str_TU_5_type-.debug_str.dwo
.debug_dwo_str_offsets_segment1_end:
# All CUs/TUs use the same abbrev section for simplicity.
.section .debug_abbrev,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x04 # Abbrev code
.byte 0x2e # DW_TAG_subprogram
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x25 # DW_FORM_strx1
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x05 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x26 # DW_FORM_strx2
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x06 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x27 # DW_FORM_strx3
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x07 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x28 # DW_FORM_strx4
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
# And a .dwo copy of a subset for the .dwo sections.
.section .debug_abbrev.dwo,"",@progbits
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
.section .debug_info,"",@progbits
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long .debug_str_offsets_base0
.byte 2 # The index of the comp dir string
# A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
.byte 4 # Abbreviation code
.byte 3 # Subprogram name string (DW_FORM_strx1)
# A variable DIE with DW_AT_name, using DW_FORM_strx2.
.byte 5 # Abbreviation code
.short 0x0004 # Subprogram name string (DW_FORM_strx2)
# A variable DIE with DW_AT_name, using DW_FORM_strx3.
.byte 6 # Abbreviation code
.byte 5 # Subprogram name string (DW_FORM_strx3)
.short 0 # Subprogram name string (DW_FORM_strx3)
# A variable DIE with DW_AT_name, using DW_FORM_strx4.
.byte 7 # Abbreviation code
.quad 0x00000006 # Subprogram name string (DW_FORM_strx4)
.byte 0 # NULL
.byte 0 # NULL
.byte 0 # NULL
CU1_5_end:
# DWARF v5 CU header
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long .debug_str_offsets_base1
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section .debug_types,"",@progbits
# DWARF v5 Type unit header.
TU_5_start:
.long TU_5_end-TU_5_version # Length of Unit
TU_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU_5_type-TU_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
.long .debug_str_offsets_base2 # offset into the str_offsets section
# The type DIE, which has a name.
TU_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_5_end:
.section .debug_info.dwo,"",@progbits
# DWARF v5 split CU header.
.long CU_split_5_end-CU_split_5_version # Length of Unit
CU_split_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long .debug_dwo_str_offsets_base0-.debug_str_offsets.dwo
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU_split_5_end:
.section .debug_types.dwo,"",@progbits
# DWARF v5 split type unit header.
TU_split_5_start:
.long TU_split_5_end-TU_split_5_version # Length of Unit
TU_split_5_version:
.short 5 # DWARF version number
.byte 6 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev.dwo # Offset Into Abbrev Section
.quad 0x8899aabbccddeeff # Type Signature
.long TU_split_5_type-TU_split_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # The index of the type unit name string
.long .debug_dwo_str_offsets_base1-.debug_str_offsets.dwo
# The type DIE, which has a name.
TU_split_5_type:
.byte 3 # Abbreviation code
.byte 1 # The index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_split_5_end:
# We are using a hand-constructed object file and are interest in the correct
# diplay of the DW_str_offsetsbase attribute, the correct display of strings
# and the dump of the .debug_str_offsets[.dwo] table.
# Abbreviation for DW_AT_str_offsets_base
# COMMON: .debug_abbrev contents:
# COMMON-NOT: contents:
# COMMON: DW_TAG_compile_unit
# COMMON-NOT: DW_TAG
# COMMON: DW_AT_str_offsets_base DW_FORM_sec_offset
#
# Verify that strings are displayed correctly as indexed strings
# COMMON: .debug_info contents:
# COMMON-NOT: contents:
# COMMON: DW_TAG_compile_unit
# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
# COMMON-NOT: NULL
# COMMON: DW_TAG_subprogram
# COMMON-NEXT: DW_AT_name [DW_FORM_strx1] ( indexed (00000003) string = "MyFunc")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx2] ( indexed (00000004) string = "MyVar1")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx3] ( indexed (00000005) string = "MyVar2")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx4] ( indexed (00000006) string = "MyVar3")
#
# Second compile unit (b.cpp)
# COMMON: DW_TAG_compile_unit
# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000002c)
# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
#
# The split CU
# SPLIT: .debug_info.dwo contents:
# SPLIT-NOT: contents:
# SPLIT: DW_TAG_compile_unit
# SPLIT-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade split DWARF producer")
# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_compile_unit")
# SPLIT-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
# SPLIT-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/splitCU")
#
# The type unit
# COMMON: .debug_types contents:
# COMMON: DW_TAG_type_unit
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000040)
# COMMON: DW_TAG_structure_type
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct")
#
# The split type unit
# SPLIT: .debug_types.dwo contents:
# SPLIT: DW_TAG_type_unit
# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "V5_split_type_unit")
# SPLIT-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
# SPLIT: DW_TAG_structure_type
# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_Mystruct")
#
# The .debug_str_offsets section
# COMMON: .debug_str_offsets contents:
# COMMON-NEXT: 0x00000000: Contribution size = 28, Version = 5
# COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
# COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
# COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
# COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
# COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
# COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
# COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
# COMMON-NEXT: 0x00000024: Contribution size = 12, Version = 5
# COMMON-NEXT: 0x0000002c: 00000000 "Handmade DWARF producer"
# COMMON-NEXT: 0x00000030: 00000036 "Compile_Unit_2"
# COMMON-NEXT: 0x00000034: 00000045 "/home/test/CU2"
# COMMON-NEXT: 0x00000038: Contribution size = 8, Version = 5
# COMMON-NEXT: 0x00000040: 00000054 "Type_Unit"
# COMMON-NEXT: 0x00000044: 0000005e "MyStruct"
#
# SPLIT: .debug_str_offsets.dwo contents:
# SPLIT-NEXT: 0x00000000: Contribution size = 12, Version = 5
# SPLIT-NEXT: 0x00000008: 00000000 "Handmade split DWARF producer"
# SPLIT-NEXT: 0x0000000c: 0000001e "V5_split_compile_unit"
# SPLIT-NEXT: 0x00000010: 00000034 "/home/test/splitCU"
# SPLIT-NEXT: 0x00000014: Contribution size = 8, Version = 5
# SPLIT-NEXT: 0x0000001c: 00000047 "V5_split_type_unit"
# SPLIT-NEXT: 0x00000020: 0000005a "V5_split_Mystruct"

test/DebugInfo/dwarfdump-str-offsets-dwp.test

RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-dwp.x86_64.o | FileCheck %s
; Verify that the correct strings from each unit are displayed and that the
; index for the .debug_str_offsets section has the right values.
; CHECK: Compile Unit
; CHECK-NOT: NULL
; CHECK: DW_TAG_compile_unit
; CHECK-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
; CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
; CHECK-NOT: NULL
; CHECK: Compile Unit
; CHECK-NOT: NULL
; CHECK: DW_TAG_compile_unit
; CHECK-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
; CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
;
; CHECK: Type Unit
; CHECK-NOT: NULL
; CHECK: DW_TAG_type_unit
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit_1")
; CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
; CHECK-NOT: NULL
; CHECK: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct_1")
;
; CHECK: Type Unit
; CHECK-NOT: NULL
; CHECK: DW_TAG_type_unit
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit_2")
; CHECK-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
; CHECK-NOT: NULL
; CHECK: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct_2")
; Verify the correct offets of the compile and type units contributions in the
; index tables.
; CHECK: .debug_cu_index contents:
; CHECK-NOT: contents:
; CHECK: 1 0xddeeaaddbbaabbee [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
; CHECK-SAME: [0x00000000
; CHECK-NEXT: 2 0xff00ffeeffaaff00 [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
; CHECK-SAME: [0x00000024
; CHECK: .debug_tu_index contents:
; CHECK-NOT: contents:
; CHECK: 1 0xeeaaddbbaabbeedd [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
; CHECK-SAME: [0x00000000
; CHECK-NEXT: 2 0x00ffeeffaaff00ff [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
; CHECK: [0x00000024

test/DebugInfo/dwarfdump-str-offsets-invalid.test

; Verify that llvm-dwarfdump handles invalid string offset tables.
RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-invalid-1.x86_64.o | \
RUN: FileCheck --check-prefix=INVALIDCONTRIB %s
RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-invalid-2.x86_64.o | \
RUN: FileCheck --check-prefix=INVALIDCONTRIB %s
RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-invalid-3.x86_64.o | \
RUN: FileCheck --check-prefix=INVALIDCONTRIB %s
RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-invalid-4.x86_64.o | \
RUN: FileCheck --check-prefix=INVALIDLENGTH %s
RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-invalid-5.x86_64.o | \
RUN: FileCheck --check-prefix=INVALIDSECTIONLENGTH %s
INVALIDCONTRIB: .debug_str_offsets contents:
INVALIDCONTRIB-NOT: contents:
INVALIDCONTRIB: error: invalid contribution to string offsets table in section .debug_str_offsets.
INVALIDLENGTH: .debug_str_offsets contents:
INVALIDLENGTH-NOT: contents:
INVALIDLENGTH: error: contribution to string offsets table in section .debug_str_offsets has invalid length.
INVALIDSECTIONLENGTH: .debug_str_offsets contents:
INVALIDSECTIONLENGTH-NOT: contents:
INVALIDSECTIONLENGTH: error: size of .debug_str_offsets is not a multiple of 4.

test/DebugInfo/dwarfdump-str-offsets.test

RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets.x86_64.o | FileCheck --check-prefix=COMMON \
RUN: --check-prefix=SPLIT %s
RUN: llvm-dwarfdump -v %p/Inputs/dwarfdump-str-offsets-macho.o | FileCheck --check-prefix=COMMON %s
; We are using a hand-constructed object file and are interest in the correct
; diplay of the DW_str_offsetsbase attribute, the correct display of strings
; and the dump of the .debug_str_offsets[.dwo] table.
;
; Abbreviation for DW_AT_str_offsets_base
COMMON: .debug_abbrev contents:
COMMON-NOT: contents:
COMMON: DW_TAG_compile_unit
COMMON-NOT: DW_TAG
COMMON: DW_AT_str_offsets_base DW_FORM_sec_offset
; Verify that strings are displayed correctly as indexed strings
COMMON: .debug_info contents:
COMMON-NOT: contents:
COMMON: DW_TAG_compile_unit
COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
COMMON-NOT: NULL
COMMON: DW_TAG_subprogram
COMMON-NEXT: DW_AT_name [DW_FORM_strx1] ( indexed (00000003) string = "MyFunc")
COMMON-NOT: NULL
COMMON: DW_TAG_variable
COMMON-NEXT: DW_AT_name [DW_FORM_strx2] ( indexed (00000004) string = "MyVar1")
COMMON-NOT: NULL
COMMON: DW_TAG_variable
COMMON-NEXT: DW_AT_name [DW_FORM_strx3] ( indexed (00000005) string = "MyVar2")
COMMON-NOT: NULL
COMMON: DW_TAG_variable
COMMON-NEXT: DW_AT_name [DW_FORM_strx4] ( indexed (00000006) string = "MyVar3")
; Second compile unit (b.cpp)
COMMON: DW_TAG_compile_unit
COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000002c)
COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
; The split CU
SPLIT: .debug_info.dwo contents:
SPLIT-NOT: contents:
SPLIT: DW_TAG_compile_unit
SPLIT-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade split DWARF producer")
SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_compile_unit")
SPLIT-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
SPLIT-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/splitCU")
; The type unit
COMMON: .debug_types contents:
COMMON: DW_TAG_type_unit
COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit")
COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000040)
COMMON: DW_TAG_structure_type
COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct")
; The split type unit
SPLIT: .debug_types.dwo contents:
SPLIT: DW_TAG_type_unit
SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "V5_split_type_unit")
SPLIT-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
SPLIT: DW_TAG_structure_type
SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_Mystruct")
; The .debug_str_offsets section
COMMON: .debug_str_offsets contents:
COMMON-NEXT: 0x00000000: Contribution size = 28, Version = 5
COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
COMMON-NEXT: 0x00000024: Contribution size = 12, Version = 5
COMMON-NEXT: 0x0000002c: 00000000 "Handmade DWARF producer"
COMMON-NEXT: 0x00000030: 00000036 "Compile_Unit_2"
COMMON-NEXT: 0x00000034: 00000045 "/home/test/CU2"
COMMON-NEXT: 0x00000038: Contribution size = 8, Version = 5
COMMON-NEXT: 0x00000040: 00000054 "Type_Unit"
COMMON-NEXT: 0x00000044: 0000005e "MyStruct"
SPLIT: .debug_str_offsets.dwo contents:
SPLIT-NEXT: 0x00000000: Contribution size = 12, Version = 5
SPLIT-NEXT: 0x00000008: 00000000 "Handmade split DWARF producer"
SPLIT-NEXT: 0x0000000c: 0000001e "V5_split_compile_unit"
SPLIT-NEXT: 0x00000010: 00000034 "/home/test/splitCU"
SPLIT-NEXT: 0x00000014: Contribution size = 8, Version = 5
SPLIT-NEXT: 0x0000001c: 00000047 "V5_split_type_unit"
SPLIT-NEXT: 0x00000020: 0000005a "V5_split_Mystruct"
test/DebugInfo/dwarfdump-str-offsets-dwp.test