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      1 # RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o %t.o
      2 # RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=COMMON %s
      3 #
      4 # Test object to verify dwarfdump handles v5 string offset tables in Mach-O.
      5 # This is similar to dwarfdump-str-offsets.s with 2 CUs and 1 TU, but no
      6 # split sections.
      7 #
      8 	.section	__DWARF,__debug_str,regular,debug
      9 Linfo_string:
     10 	.asciz "Handmade DWARF producer"
     11 str_CU1:
     12         .asciz "Compile_Unit_1"
     13 str_CU1_dir:
     14         .asciz "/home/test/CU1"
     15 str_CU2:
     16         .asciz "Compile_Unit_2"
     17 str_CU2_dir:
     18         .asciz "/home/test/CU2"
     19 str_TU:
     20         .asciz "Type_Unit"
     21 str_TU_type:
     22         .asciz "MyStruct"
     23 str_Subprogram:
     24         .asciz "MyFunc"
     25 str_Variable1:
     26         .asciz "MyVar1"
     27 str_Variable2:
     28         .asciz "MyVar2"
     29 str_Variable3:
     30         .asciz "MyVar3"
     31 
     32 	.section	__DWARF,__debug_str_offs,regular,debug
     33 Ldebug_str_offsets:
     34         .long Ldebug_str_offsets_segment0_end-Ldebug_str_offsets_base0+4
     35         .short 5    # DWARF version
     36         .short 0    # Padding
     37 Ldebug_str_offsets_base0:
     38         .long str_producer
     39         .long str_CU1
     40         .long str_CU1_dir
     41         .long str_Subprogram
     42         .long str_Variable1
     43         .long str_Variable2
     44         .long str_Variable3
     45 Ldebug_str_offsets_segment0_end:
     46 # A 4-byte gap.
     47         .long 0
     48 # CU2's contribution (DWARF64 format)
     49         .long 0xffffffff
     50         .quad Ldebug_str_offsets_segment1_end-Ldebug_str_offsets_base1+4
     51         .short 5    # DWARF version
     52         .short 0    # Padding
     53 Ldebug_str_offsets_base1:
     54         .quad str_producer
     55         .quad str_CU2
     56         .quad str_CU2_dir
     57 Ldebug_str_offsets_segment1_end:
     58 # The TU's contribution
     59         .long Ldebug_str_offsets_segment2_end-Ldebug_str_offsets_base2+4
     60         .short 5    # DWARF version
     61         .short 0    # Padding
     62 Ldebug_str_offsets_base2:
     63         .long str_TU
     64         .long str_TU_type
     65 Ldebug_str_offsets_segment2_end:
     66 
     67 	.section	__DWARF,__debug_abbrev,regular,debug
     68 Lsection_abbrev:
     69         .byte 0x01  # Abbrev code
     70         .byte 0x11  # DW_TAG_compile_unit
     71         .byte 0x01  # DW_CHILDREN_yes
     72         .byte 0x25  # DW_AT_producer
     73         .byte 0x1a  # DW_FORM_strx
     74         .byte 0x03  # DW_AT_name
     75         .byte 0x1a  # DW_FORM_strx
     76         .byte 0x72  # DW_AT_str_offsets_base
     77         .byte 0x17  # DW_FORM_sec_offset
     78         .byte 0x1b  # DW_AT_comp_dir
     79         .byte 0x1a  # DW_FORM_strx
     80         .byte 0x00  # EOM(1)
     81         .byte 0x00  # EOM(2)
     82         .byte 0x02  # Abbrev code
     83         .byte 0x41  # DW_TAG_type_unit
     84         .byte 0x01  # DW_CHILDREN_yes
     85         .byte 0x03  # DW_AT_name
     86         .byte 0x1a  # DW_FORM_strx
     87         .byte 0x72  # DW_AT_str_offsets_base
     88         .byte 0x17  # DW_FORM_sec_offset
     89         .byte 0x00  # EOM(1)
     90         .byte 0x00  # EOM(2)
     91         .byte 0x03  # Abbrev code
     92         .byte 0x13  # DW_TAG_structure_type
     93         .byte 0x00  # DW_CHILDREN_no (no members)
     94         .byte 0x03  # DW_AT_name
     95         .byte 0x1a  # DW_FORM_strx
     96         .byte 0x00  # EOM(1)
     97         .byte 0x00  # EOM(2)
     98         .byte 0x04  # Abbrev code
     99         .byte 0x2e  # DW_TAG_subprogram
    100         .byte 0x01  # DW_CHILDREN_yes
    101         .byte 0x03  # DW_AT_name
    102         .byte 0x25  # DW_FORM_strx1
    103         .byte 0x00  # EOM(1)
    104         .byte 0x00  # EOM(2)
    105         .byte 0x05  # Abbrev code
    106         .byte 0x34  # DW_TAG_variable
    107         .byte 0x00  # DW_CHILDREN_no
    108         .byte 0x03  # DW_AT_name
    109         .byte 0x26  # DW_FORM_strx2
    110         .byte 0x00  # EOM(1)
    111         .byte 0x00  # EOM(2)
    112         .byte 0x06  # Abbrev code
    113         .byte 0x34  # DW_TAG_variable
    114         .byte 0x00  # DW_CHILDREN_no
    115         .byte 0x03  # DW_AT_name
    116         .byte 0x27  # DW_FORM_strx3
    117         .byte 0x00  # EOM(1)
    118         .byte 0x00  # EOM(2)
    119         .byte 0x07  # Abbrev code
    120         .byte 0x34  # DW_TAG_variable
    121         .byte 0x00  # DW_CHILDREN_no
    122         .byte 0x03  # DW_AT_name
    123         .byte 0x28  # DW_FORM_strx4
    124         .byte 0x00  # EOM(1)
    125         .byte 0x00  # EOM(2)
    126         .byte 0x00  # EOM(3)
    127 
    128 	.section	__DWARF,__debug_info,regular,debug
    129 Lsection_info:
    130 # DWARF v5 CU header.
    131         .long  CU1_5_end-CU1_5_version  # Length of Unit
    132 CU1_5_version:
    133         .short 5               # DWARF version number
    134         .byte 1                # DWARF Unit Type
    135         .byte 8                # Address Size (in bytes)
    136         .long 0                # Offset Into Abbrev. Section
    137 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
    138 # DW_AT_str_offsets and DW_AT_compdir.
    139         .byte 1                # Abbreviation code
    140         .byte 0                # The index of the producer string
    141         .byte 1                # The index of the CU name string
    142         .long Ldebug_str_offsets_base0-Ldebug_str_offsets
    143         .byte 2                # The index of the comp dir string
    144 # A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
    145         .byte 4                # Abbreviation code
    146         .byte 3                # Subprogram name string (DW_FORM_strx1)
    147 # A variable DIE with DW_AT_name, using DW_FORM_strx2.
    148         .byte 5                # Abbreviation code
    149         .short 0x0004          # Subprogram name string (DW_FORM_strx2)
    150 # A variable DIE with DW_AT_name, using DW_FORM_strx3.
    151         .byte 6                # Abbreviation code
    152         .byte 5                # Subprogram name string (DW_FORM_strx3)
    153         .short 0               # Subprogram name string (DW_FORM_strx3)
    154 # A variable DIE with DW_AT_name, using DW_FORM_strx4.
    155         .byte 7                # Abbreviation code
    156         .quad 0x00000006       # Subprogram name string (DW_FORM_strx4)
    157         .byte 0 # NULL
    158         .byte 0 # NULL
    159         .byte 0 # NULL
    160 CU1_5_end:
    161 
    162 # DWARF v5 CU header
    163         .long  CU2_5_end-CU2_5_version  # Length of Unit
    164 CU2_5_version:
    165         .short 5               # DWARF version number
    166         .byte 1                # DWARF Unit Type
    167         .byte 8                # Address Size (in bytes)
    168         .long 0                # Offset Into Abbrev. Section
    169 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
    170 # DW_AT_str_offsets and DW_AT_compdir.
    171         .byte 1                # Abbreviation code
    172         .byte 0                # The index of the producer string
    173         .byte 1                # The index of the CU name string
    174         .long Ldebug_str_offsets_base1-Ldebug_str_offsets
    175         .byte 2                # The index of the comp dir string
    176         .byte 0 # NULL
    177 CU2_5_end:
    178 
    179 	.section	__DWARF,__debug_types,regular,debug
    180 # DWARF v5 Type unit header.
    181 TU_5_start:
    182         .long  TU_5_end-TU_5_version  # Length of Unit
    183 TU_5_version:
    184         .short 5               # DWARF version number
    185         .byte 2                # DWARF Unit Type
    186         .byte 8                # Address Size (in bytes)
    187         .long 0                # Offset Into Abbrev. Section
    188         .quad 0x0011223344556677 # Type Signature
    189         .long TU_5_type-TU_5_start # Type offset
    190 # The type-unit DIE, which has a name.
    191         .byte 2                # Abbreviation code
    192         .byte 0                # Index of the unit type name string
    193         .long Ldebug_str_offsets_base2-Ldebug_str_offsets  # offset into the str_offsets section
    194 # The type DIE, which has a name.
    195 TU_5_type:
    196         .byte 3                # Abbreviation code
    197         .byte 1                # Index of the type name string
    198         .byte 0 # NULL
    199         .byte 0 # NULL
    200 TU_5_end:
    201 
    202 
    203 .subsections_via_symbols
    204 
    205 # We are using a hand-constructed object file and are interest in the correct
    206 # diplay of the DW_str_offsetsbase attribute and the correct display of strings.
    207 #
    208 # Abbreviation for DW_AT_str_offsets_base
    209 # COMMON:      .debug_abbrev contents:
    210 # COMMON-NOT:  contents:
    211 # COMMON:      DW_TAG_compile_unit
    212 # COMMON-NOT:  DW_TAG
    213 # COMMON:      DW_AT_str_offsets_base DW_FORM_sec_offset
    214 #
    215 # Verify that strings are displayed correctly as indexed strings
    216 # COMMON:      .debug_info contents:
    217 # COMMON-NOT:  contents:
    218 # COMMON:      DW_TAG_compile_unit
    219 # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
    220 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
    221 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
    222 # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
    223 # COMMON-NOT:  NULL
    224 # COMMON:      DW_TAG_subprogram
    225 # COMMON-NEXT: DW_AT_name [DW_FORM_strx1] ( indexed (00000003) string = "MyFunc")
    226 # COMMON-NOT:  NULL
    227 # COMMON:      DW_TAG_variable
    228 # COMMON-NEXT: DW_AT_name [DW_FORM_strx2] ( indexed (00000004) string = "MyVar1")
    229 # COMMON-NOT:  NULL
    230 # COMMON:      DW_TAG_variable
    231 # COMMON-NEXT: DW_AT_name [DW_FORM_strx3] ( indexed (00000005) string = "MyVar2")
    232 # COMMON-NOT:  NULL
    233 # COMMON:      DW_TAG_variable
    234 # COMMON-NEXT: DW_AT_name [DW_FORM_strx4] ( indexed (00000006) string = "MyVar3")
    235 #
    236 # Second compile unit (b.cpp)
    237 # COMMON:      DW_TAG_compile_unit
    238 # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
    239 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
    240 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000038)
    241 # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
    242 #
    243 # The type unit
    244 # COMMON:      .debug_types contents:
    245 # COMMON:      DW_TAG_type_unit
    246 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit")
    247 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset]       (0x00000058)
    248 # COMMON:      DW_TAG_structure_type
    249 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct")
    250 #
    251 # The .debug_str_offsets section
    252 # COMMON:      .debug_str_offsets contents:
    253 # COMMON-NEXT: 0x00000000: Contribution size = 32, Format = DWARF32, Version = 5
    254 # COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
    255 # COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
    256 # COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
    257 # COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
    258 # COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
    259 # COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
    260 # COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
    261 # COMMON-NEXT: 0x00000024: Gap, length = 4
    262 # COMMON-NEXT: 0x00000028: Contribution size = 28, Format = DWARF64, Version = 5
    263 # COMMON-NEXT: 0x00000038: 00000000 "Handmade DWARF producer"
    264 # COMMON-NEXT: 0x00000040: 00000036 "Compile_Unit_2"
    265 # COMMON-NEXT: 0x00000048: 00000045 "/home/test/CU2"
    266 # COMMON-NEXT: 0x00000050: Contribution size = 12, Format = DWARF32, Version = 5
    267 # COMMON-NEXT: 0x00000058: 00000054 "Type_Unit"
    268 # COMMON-NEXT: 0x0000005c: 0000005e "MyStruct"
    269