# 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 3 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, and CU3 from a third object file that was compiled with
# -gdwarf-4.
#
.section .debug_str.dwo,"MSe",@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"
str_CU3:
.asciz "Compile_Unit_3"
str_CU3_dir:
.asciz "/home/test/CU3"
.section .debug_str_offsets.dwo,"e",@progbits
# Object files 1's portion of the .debug_str_offsets.dwo section.
# CU1 and TU1 share a contribution to the string offsets table.
.debug_str_offsets_object_file1_start:
.long .debug_str_offsets_object_file1_end-.debug_str_offsets_base_1
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_1:
.long str_producer-.debug_str.dwo
.long str_CU1-.debug_str.dwo
.long str_CU1_dir-.debug_str.dwo
.long str_TU1-.debug_str.dwo
.long str_TU1_type-.debug_str.dwo
.debug_str_offsets_object_file1_end:
# Object files 2's portion of the .debug_str_offsets.dwo section.
# CU2 and TU2 share a contribution to the string offsets table.
.debug_str_offsets_object_file2_start:
.long .debug_str_offsets_object_file2_end-.debug_str_offsets_base_2
.short 5 # DWARF version
.short 0 # Padding
.debug_str_offsets_base_2:
.long str_producer-.debug_str.dwo
.long str_CU2-.debug_str.dwo
.long str_CU2_dir-.debug_str.dwo
.long str_TU2-.debug_str.dwo
.long str_TU2_type-.debug_str.dwo
.debug_str_offsets_object_file2_end:
# Object files 3's portion of the .debug_str_offsets.dwo section.
# This file is assumed to have been compiled with -gdwarf-4 and
# therefore contains a version 4 CU and a GNU format contribution
# to the .debug_str_offsets section.
.debug_str_offsets_object_file3_start:
.debug_str_offsets_base_3:
.long str_producer-.debug_str.dwo
.long str_CU3-.debug_str.dwo
.long str_CU3_dir-.debug_str.dwo
.debug_str_offsets_object_file3_end:
# Abbrevs are shared for all compile and type units
.section .debug_abbrev.dwo,"e",@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 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 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 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x25 # DW_AT_producer
.short 0x3e82 # DW_FORM_GNU_str_index
.byte 0x03 # DW_AT_name
.short 0x3e82 # DW_FORM_GNU_str_index
.byte 0x03 # DW_AT_name
.short 0x3e82 # DW_FORM_GNU_str_index
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
abbrev_end:
.section .debug_info.dwo,"e",@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
# 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
.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
# 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
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
CU3_4_start:
.long CU3_4_end-CU3_4_version # Length of Unit
CU3_4_version:
.short 4 # DWARF version number
.long .debug_abbrev.dwo # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name
# and DW_AT_compdir.
.byte 4 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU3_4_end:
.section .debug_types.dwo,"e",@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 0xeeaaddbbaabbeedd # Type Signature
.long TU1_5_type-TU1_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 3 # Index of the unit type name string
# The type DIE, which has a name.
TU1_5_type:
.byte 3 # Abbreviation code
.byte 4 # 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 0x00ffeeffaaff00ff # Type Signature
.long TU2_5_type-TU2_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 3 # Index of the unit type name string
# The type DIE, which has a name.
TU2_5_type:
.byte 3 # Abbreviation code
.byte 4 # 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 3 # number of units
.long 3 # number of hash buckets in table
# The signatures for all CUs.
.quad 0xddeeaaddbbaabbee # signature 1
.quad 0xff00ffeeffaaff00 # signature 2
.quad 0xf00df00df00df00d # signature 2
# The indexes for both CUs.
.long 1 # index 1
.long 2 # index 2
.long 3 # index 3
# The sections to which all CUs contribute.
.long 1 # DW_SECT_INFO
.long 3 # DW_SECT_ABBREV
.long 6 # DW_SECT_STR_OFFSETS
# The starting offsets of all 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_start-.debug_str_offsets.dwo
.long CU2_5_start-.debug_info.dwo
.long 0
.long .debug_str_offsets_object_file2_start-.debug_str_offsets.dwo
.long CU3_4_start-.debug_info.dwo
.long 0
.long .debug_str_offsets_object_file3_start-.debug_str_offsets.dwo
# The lengths of all 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_object_file1_end-.debug_str_offsets_object_file1_start
.long CU2_5_end-CU2_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_object_file2_end-.debug_str_offsets_object_file2_start
.long CU3_4_end-CU3_4_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_object_file3_end-.debug_str_offsets_object_file3_start
.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_start-.debug_str_offsets.dwo
.long TU2_5_start-.debug_types.dwo
.long 0
.long .debug_str_offsets_object_file2_start-.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_object_file1_end-.debug_str_offsets_object_file1_start
.long TU2_5_end-TU2_5_start
.long abbrev_end-.debug_abbrev.dwo
.long .debug_str_offsets_object_file2_end-.debug_str_offsets_object_file2_start
# 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_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_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 (00000003) string = "Type_Unit_1")
# CHECK-NOT: NULL
# CHECK: DW_TAG_structure_type
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "MyStruct_1")
#
# CHECK: Type Unit
# CHECK-NOT: NULL
# CHECK: DW_TAG_type_unit
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "Type_Unit_2")
# CHECK-NOT: NULL
# CHECK: DW_TAG_structure_type
# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) 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: [0x0000001c
# 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: [0x0000001c
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