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| 1 | +# clang++ helper.cpp -g2 -gsplit-dwarf -S -fdebug-compilation-dir=. |
| 2 | +# Modified assembly so that DW_AT_dwo_name has a partial path. |
| 3 | +# int foo() { return 0; } |
| 4 | + .text |
| 5 | + .file "helper.cpp" |
| 6 | + .globl _Z3foov # -- Begin function _Z3foov |
| 7 | + .p2align 4, 0x90 |
| 8 | + .type _Z3foov,@function |
| 9 | +_Z3foov: # @_Z3foov |
| 10 | +.Lfunc_begin0: |
| 11 | + .file 0 "." "helper.cpp" md5 0xde8d315e6d1f74ad53575cef6507e770 |
| 12 | + .loc 0 1 0 # helper.cpp:1:0 |
| 13 | + .cfi_startproc |
| 14 | +# %bb.0: # %entry |
| 15 | + pushq %rbp |
| 16 | + .cfi_def_cfa_offset 16 |
| 17 | + .cfi_offset %rbp, -16 |
| 18 | + movq %rsp, %rbp |
| 19 | + .cfi_def_cfa_register %rbp |
| 20 | +.Ltmp0: |
| 21 | + .loc 0 1 13 prologue_end # helper.cpp:1:13 |
| 22 | + xorl %eax, %eax |
| 23 | + .loc 0 1 13 epilogue_begin is_stmt 0 # helper.cpp:1:13 |
| 24 | + popq %rbp |
| 25 | + .cfi_def_cfa %rsp, 8 |
| 26 | + retq |
| 27 | +.Ltmp1: |
| 28 | +.Lfunc_end0: |
| 29 | + .size _Z3foov, .Lfunc_end0-_Z3foov |
| 30 | + .cfi_endproc |
| 31 | + # -- End function |
| 32 | + .section .debug_abbrev,"",@progbits |
| 33 | + .byte 1 # Abbreviation Code |
| 34 | + .byte 74 # DW_TAG_skeleton_unit |
| 35 | + .byte 0 # DW_CHILDREN_no |
| 36 | + .byte 16 # DW_AT_stmt_list |
| 37 | + .byte 23 # DW_FORM_sec_offset |
| 38 | + .byte 114 # DW_AT_str_offsets_base |
| 39 | + .byte 23 # DW_FORM_sec_offset |
| 40 | + .byte 27 # DW_AT_comp_dir |
| 41 | + .byte 37 # DW_FORM_strx1 |
| 42 | + .ascii "\264B" # DW_AT_GNU_pubnames |
| 43 | + .byte 25 # DW_FORM_flag_present |
| 44 | + .byte 118 # DW_AT_dwo_name |
| 45 | + .byte 37 # DW_FORM_strx1 |
| 46 | + .byte 17 # DW_AT_low_pc |
| 47 | + .byte 27 # DW_FORM_addrx |
| 48 | + .byte 18 # DW_AT_high_pc |
| 49 | + .byte 6 # DW_FORM_data4 |
| 50 | + .byte 115 # DW_AT_addr_base |
| 51 | + .byte 23 # DW_FORM_sec_offset |
| 52 | + .byte 0 # EOM(1) |
| 53 | + .byte 0 # EOM(2) |
| 54 | + .byte 0 # EOM(3) |
| 55 | + .section .debug_info,"",@progbits |
| 56 | +.Lcu_begin0: |
| 57 | + .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit |
| 58 | +.Ldebug_info_start0: |
| 59 | + .short 5 # DWARF version number |
| 60 | + .byte 4 # DWARF Unit Type |
| 61 | + .byte 8 # Address Size (in bytes) |
| 62 | + .long .debug_abbrev # Offset Into Abbrev. Section |
| 63 | + .quad -1360665163647638292 |
| 64 | + .byte 1 # Abbrev [1] 0x14:0x14 DW_TAG_skeleton_unit |
| 65 | + .long .Lline_table_start0 # DW_AT_stmt_list |
| 66 | + .long .Lstr_offsets_base0 # DW_AT_str_offsets_base |
| 67 | + .byte 0 # DW_AT_comp_dir |
| 68 | + # DW_AT_GNU_pubnames |
| 69 | + .byte 1 # DW_AT_dwo_name |
| 70 | + .byte 0 # DW_AT_low_pc |
| 71 | + .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| 72 | + .long .Laddr_table_base0 # DW_AT_addr_base |
| 73 | +.Ldebug_info_end0: |
| 74 | + .section .debug_str_offsets,"",@progbits |
| 75 | + .long 12 # Length of String Offsets Set |
| 76 | + .short 5 |
| 77 | + .short 0 |
| 78 | +.Lstr_offsets_base0: |
| 79 | + .section .debug_str,"MS",@progbits,1 |
| 80 | +.Lskel_string0: |
| 81 | + .asciz "." # string offset=0 |
| 82 | +.Lskel_string1: |
| 83 | + .asciz "objects/o2/split.dwo" # string offset=2 <-- Manually modified. |
| 84 | + .section .debug_str_offsets,"",@progbits |
| 85 | + .long .Lskel_string0 |
| 86 | + .long .Lskel_string1 |
| 87 | + .section .debug_str_offsets.dwo,"e",@progbits |
| 88 | + .long 28 # Length of String Offsets Set |
| 89 | + .short 5 |
| 90 | + .short 0 |
| 91 | + .section .debug_str.dwo,"eMS",@progbits,1 |
| 92 | +.Linfo_string0: |
| 93 | + .asciz "_Z3foov" # string offset=0 |
| 94 | +.Linfo_string1: |
| 95 | + .asciz "foo" # string offset=8 |
| 96 | +.Linfo_string2: |
| 97 | + .asciz "int" # string offset=12 |
| 98 | +.Linfo_string3: |
| 99 | + .asciz "clang version 18.0.0" # string offset=16 |
| 100 | +.Linfo_string4: |
| 101 | + .asciz "helper.cpp" # string offset=37 |
| 102 | +.Linfo_string5: |
| 103 | + .asciz "objects/o2/split.dwo" # string offset=48 <-- Manually modified. |
| 104 | + .section .debug_str_offsets.dwo,"e",@progbits |
| 105 | + .long 0 |
| 106 | + .long 8 |
| 107 | + .long 12 |
| 108 | + .long 16 |
| 109 | + .long 37 |
| 110 | + .long 48 |
| 111 | + .section .debug_info.dwo,"e",@progbits |
| 112 | + .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit |
| 113 | +.Ldebug_info_dwo_start0: |
| 114 | + .short 5 # DWARF version number |
| 115 | + .byte 5 # DWARF Unit Type |
| 116 | + .byte 8 # Address Size (in bytes) |
| 117 | + .long 0 # Offset Into Abbrev. Section |
| 118 | + .quad -1360665163647638292 |
| 119 | + .byte 1 # Abbrev [1] 0x14:0x1b DW_TAG_compile_unit |
| 120 | + .byte 3 # DW_AT_producer |
| 121 | + .short 33 # DW_AT_language |
| 122 | + .byte 4 # DW_AT_name |
| 123 | + .byte 5 # DW_AT_dwo_name |
| 124 | + .byte 2 # Abbrev [2] 0x1a:0x10 DW_TAG_subprogram |
| 125 | + .byte 0 # DW_AT_low_pc |
| 126 | + .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| 127 | + .byte 1 # DW_AT_frame_base |
| 128 | + .byte 86 |
| 129 | + .byte 0 # DW_AT_linkage_name |
| 130 | + .byte 1 # DW_AT_name |
| 131 | + .byte 0 # DW_AT_decl_file |
| 132 | + .byte 1 # DW_AT_decl_line |
| 133 | + .long 42 # DW_AT_type |
| 134 | + # DW_AT_external |
| 135 | + .byte 3 # Abbrev [3] 0x2a:0x4 DW_TAG_base_type |
| 136 | + .byte 2 # DW_AT_name |
| 137 | + .byte 5 # DW_AT_encoding |
| 138 | + .byte 4 # DW_AT_byte_size |
| 139 | + .byte 0 # End Of Children Mark |
| 140 | +.Ldebug_info_dwo_end0: |
| 141 | + .section .debug_abbrev.dwo,"e",@progbits |
| 142 | + .byte 1 # Abbreviation Code |
| 143 | + .byte 17 # DW_TAG_compile_unit |
| 144 | + .byte 1 # DW_CHILDREN_yes |
| 145 | + .byte 37 # DW_AT_producer |
| 146 | + .byte 37 # DW_FORM_strx1 |
| 147 | + .byte 19 # DW_AT_language |
| 148 | + .byte 5 # DW_FORM_data2 |
| 149 | + .byte 3 # DW_AT_name |
| 150 | + .byte 37 # DW_FORM_strx1 |
| 151 | + .byte 118 # DW_AT_dwo_name |
| 152 | + .byte 37 # DW_FORM_strx1 |
| 153 | + .byte 0 # EOM(1) |
| 154 | + .byte 0 # EOM(2) |
| 155 | + .byte 2 # Abbreviation Code |
| 156 | + .byte 46 # DW_TAG_subprogram |
| 157 | + .byte 0 # DW_CHILDREN_no |
| 158 | + .byte 17 # DW_AT_low_pc |
| 159 | + .byte 27 # DW_FORM_addrx |
| 160 | + .byte 18 # DW_AT_high_pc |
| 161 | + .byte 6 # DW_FORM_data4 |
| 162 | + .byte 64 # DW_AT_frame_base |
| 163 | + .byte 24 # DW_FORM_exprloc |
| 164 | + .byte 110 # DW_AT_linkage_name |
| 165 | + .byte 37 # DW_FORM_strx1 |
| 166 | + .byte 3 # DW_AT_name |
| 167 | + .byte 37 # DW_FORM_strx1 |
| 168 | + .byte 58 # DW_AT_decl_file |
| 169 | + .byte 11 # DW_FORM_data1 |
| 170 | + .byte 59 # DW_AT_decl_line |
| 171 | + .byte 11 # DW_FORM_data1 |
| 172 | + .byte 73 # DW_AT_type |
| 173 | + .byte 19 # DW_FORM_ref4 |
| 174 | + .byte 63 # DW_AT_external |
| 175 | + .byte 25 # DW_FORM_flag_present |
| 176 | + .byte 0 # EOM(1) |
| 177 | + .byte 0 # EOM(2) |
| 178 | + .byte 3 # Abbreviation Code |
| 179 | + .byte 36 # DW_TAG_base_type |
| 180 | + .byte 0 # DW_CHILDREN_no |
| 181 | + .byte 3 # DW_AT_name |
| 182 | + .byte 37 # DW_FORM_strx1 |
| 183 | + .byte 62 # DW_AT_encoding |
| 184 | + .byte 11 # DW_FORM_data1 |
| 185 | + .byte 11 # DW_AT_byte_size |
| 186 | + .byte 11 # DW_FORM_data1 |
| 187 | + .byte 0 # EOM(1) |
| 188 | + .byte 0 # EOM(2) |
| 189 | + .byte 0 # EOM(3) |
| 190 | + .section .debug_addr,"",@progbits |
| 191 | + .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution |
| 192 | +.Ldebug_addr_start0: |
| 193 | + .short 5 # DWARF version number |
| 194 | + .byte 8 # Address size |
| 195 | + .byte 0 # Segment selector size |
| 196 | +.Laddr_table_base0: |
| 197 | + .quad .Lfunc_begin0 |
| 198 | +.Ldebug_addr_end0: |
| 199 | + .section .debug_gnu_pubnames,"",@progbits |
| 200 | + .long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info |
| 201 | +.LpubNames_start0: |
| 202 | + .short 2 # DWARF Version |
| 203 | + .long .Lcu_begin0 # Offset of Compilation Unit Info |
| 204 | + .long 40 # Compilation Unit Length |
| 205 | + .long 26 # DIE offset |
| 206 | + .byte 48 # Attributes: FUNCTION, EXTERNAL |
| 207 | + .asciz "foo" # External Name |
| 208 | + .long 0 # End Mark |
| 209 | +.LpubNames_end0: |
| 210 | + .section .debug_gnu_pubtypes,"",@progbits |
| 211 | + .long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info |
| 212 | +.LpubTypes_start0: |
| 213 | + .short 2 # DWARF Version |
| 214 | + .long .Lcu_begin0 # Offset of Compilation Unit Info |
| 215 | + .long 40 # Compilation Unit Length |
| 216 | + .long 42 # DIE offset |
| 217 | + .byte 144 # Attributes: TYPE, STATIC |
| 218 | + .asciz "int" # External Name |
| 219 | + .long 0 # End Mark |
| 220 | +.LpubTypes_end0: |
| 221 | + .ident "clang version 18.0.0" |
| 222 | + .section ".note.GNU-stack","",@progbits |
| 223 | + .addrsig |
| 224 | + .section .debug_line,"",@progbits |
| 225 | +.Lline_table_start0: |
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