1# REQUIRES: x86 2## Test clang-17-generated DW_TAG_subprogram, which do not contain DW_IDX_parent 3## attributes. 4 5# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o 6# RUN: ld.lld --debug-names %t.o -o %t 7# RUN: llvm-dwarfdump --debug-info --debug-names %t | FileCheck %s --check-prefix=DWARF 8 9# DWARF: 0x00000023: DW_TAG_namespace 10# DWARF: 0x00000025: DW_TAG_subprogram 11 12# DWARF: String: {{.*}} "fa" 13# DWARF-NEXT: Entry @ 0x71 { 14# DWARF-NEXT: Abbrev: 0x1 15# DWARF-NEXT: Tag: DW_TAG_subprogram 16# DWARF-NEXT: DW_IDX_die_offset: 0x00000025 17# DWARF-NEXT: DW_IDX_compile_unit: 0x00 18# DWARF-NEXT: } 19# DWARF: String: {{.*}} "ns" 20# DWARF-NEXT: Entry @ 0x78 { 21# DWARF-NEXT: Abbrev: 0x2 22# DWARF-NEXT: Tag: DW_TAG_namespace 23# DWARF-NEXT: DW_IDX_die_offset: 0x00000023 24# DWARF-NEXT: DW_IDX_compile_unit: 0x00 25# DWARF-NEXT: } 26 27.ifdef GEN 28//--- a.cc 29namespace ns { 30void fa() {} 31} 32//--- gen 33clang-17 --target=x86_64-linux -S -O1 -g -gpubnames a.cc -o - 34.endif 35 .text 36 .file "a.cc" 37 .globl _ZN2ns2faEv # -- Begin function _ZN2ns2faEv 38 .p2align 4, 0x90 39 .type _ZN2ns2faEv,@function 40_ZN2ns2faEv: # @_ZN2ns2faEv 41.Lfunc_begin0: 42 .file 0 "/proc/self/cwd" "a.cc" md5 0xb3281d5b5a0b2997d7d59d49bc912274 43 .cfi_startproc 44# %bb.0: 45 .loc 0 2 12 prologue_end # a.cc:2:12 46 retq 47.Ltmp0: 48.Lfunc_end0: 49 .size _ZN2ns2faEv, .Lfunc_end0-_ZN2ns2faEv 50 .cfi_endproc 51 # -- End function 52 .section .debug_abbrev,"",@progbits 53 .byte 1 # Abbreviation Code 54 .byte 17 # DW_TAG_compile_unit 55 .byte 1 # DW_CHILDREN_yes 56 .byte 37 # DW_AT_producer 57 .byte 37 # DW_FORM_strx1 58 .byte 19 # DW_AT_language 59 .byte 5 # DW_FORM_data2 60 .byte 3 # DW_AT_name 61 .byte 37 # DW_FORM_strx1 62 .byte 114 # DW_AT_str_offsets_base 63 .byte 23 # DW_FORM_sec_offset 64 .byte 16 # DW_AT_stmt_list 65 .byte 23 # DW_FORM_sec_offset 66 .byte 27 # DW_AT_comp_dir 67 .byte 37 # DW_FORM_strx1 68 .byte 17 # DW_AT_low_pc 69 .byte 27 # DW_FORM_addrx 70 .byte 18 # DW_AT_high_pc 71 .byte 6 # DW_FORM_data4 72 .byte 115 # DW_AT_addr_base 73 .byte 23 # DW_FORM_sec_offset 74 .byte 0 # EOM(1) 75 .byte 0 # EOM(2) 76 .byte 2 # Abbreviation Code 77 .byte 57 # DW_TAG_namespace 78 .byte 1 # DW_CHILDREN_yes 79 .byte 3 # DW_AT_name 80 .byte 37 # DW_FORM_strx1 81 .byte 0 # EOM(1) 82 .byte 0 # EOM(2) 83 .byte 3 # Abbreviation Code 84 .byte 46 # DW_TAG_subprogram 85 .byte 0 # DW_CHILDREN_no 86 .byte 17 # DW_AT_low_pc 87 .byte 27 # DW_FORM_addrx 88 .byte 18 # DW_AT_high_pc 89 .byte 6 # DW_FORM_data4 90 .byte 64 # DW_AT_frame_base 91 .byte 24 # DW_FORM_exprloc 92 .byte 122 # DW_AT_call_all_calls 93 .byte 25 # DW_FORM_flag_present 94 .byte 110 # DW_AT_linkage_name 95 .byte 37 # DW_FORM_strx1 96 .byte 3 # DW_AT_name 97 .byte 37 # DW_FORM_strx1 98 .byte 58 # DW_AT_decl_file 99 .byte 11 # DW_FORM_data1 100 .byte 59 # DW_AT_decl_line 101 .byte 11 # DW_FORM_data1 102 .byte 63 # DW_AT_external 103 .byte 25 # DW_FORM_flag_present 104 .byte 0 # EOM(1) 105 .byte 0 # EOM(2) 106 .byte 0 # EOM(3) 107 .section .debug_info,"",@progbits 108.Lcu_begin0: 109 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 110.Ldebug_info_start0: 111 .short 5 # DWARF version number 112 .byte 1 # DWARF Unit Type 113 .byte 8 # Address Size (in bytes) 114 .long .debug_abbrev # Offset Into Abbrev. Section 115 .byte 1 # Abbrev [1] 0xc:0x27 DW_TAG_compile_unit 116 .byte 0 # DW_AT_producer 117 .short 33 # DW_AT_language 118 .byte 1 # DW_AT_name 119 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 120 .long .Lline_table_start0 # DW_AT_stmt_list 121 .byte 2 # DW_AT_comp_dir 122 .byte 0 # DW_AT_low_pc 123 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 124 .long .Laddr_table_base0 # DW_AT_addr_base 125 .byte 2 # Abbrev [2] 0x23:0xf DW_TAG_namespace 126 .byte 3 # DW_AT_name 127 .byte 3 # Abbrev [3] 0x25:0xc DW_TAG_subprogram 128 .byte 0 # DW_AT_low_pc 129 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 130 .byte 1 # DW_AT_frame_base 131 .byte 87 132 # DW_AT_call_all_calls 133 .byte 4 # DW_AT_linkage_name 134 .byte 5 # DW_AT_name 135 .byte 0 # DW_AT_decl_file 136 .byte 2 # DW_AT_decl_line 137 # DW_AT_external 138 .byte 0 # End Of Children Mark 139 .byte 0 # End Of Children Mark 140.Ldebug_info_end0: 141 .section .debug_str_offsets,"",@progbits 142 .long 28 # Length of String Offsets Set 143 .short 5 144 .short 0 145.Lstr_offsets_base0: 146 .section .debug_str,"MS",@progbits,1 147.Linfo_string0: 148 .byte 0 # string offset=0 149.Linfo_string1: 150 .asciz "a.cc" # string offset=1 151.Linfo_string2: 152 .asciz "/proc/self/cwd" # string offset=6 153.Linfo_string3: 154 .asciz "ns" # string offset=21 155.Linfo_string4: 156 .asciz "fa" # string offset=24 157.Linfo_string5: 158 .asciz "_ZN2ns2faEv" # string offset=27 159 .section .debug_str_offsets,"",@progbits 160 .long .Linfo_string0 161 .long .Linfo_string1 162 .long .Linfo_string2 163 .long .Linfo_string3 164 .long .Linfo_string5 165 .long .Linfo_string4 166 .section .debug_addr,"",@progbits 167 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 168.Ldebug_addr_start0: 169 .short 5 # DWARF version number 170 .byte 8 # Address size 171 .byte 0 # Segment selector size 172.Laddr_table_base0: 173 .quad .Lfunc_begin0 174.Ldebug_addr_end0: 175 .section .debug_names,"",@progbits 176 .long .Lnames_end0-.Lnames_start0 # Header: unit length 177.Lnames_start0: 178 .short 5 # Header: version 179 .short 0 # Header: padding 180 .long 1 # Header: compilation unit count 181 .long 0 # Header: local type unit count 182 .long 0 # Header: foreign type unit count 183 .long 3 # Header: bucket count 184 .long 3 # Header: name count 185 .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size 186 .long 8 # Header: augmentation string size 187 .ascii "LLVM0700" # Header: augmentation string 188 .long .Lcu_begin0 # Compilation unit 0 189 .long 0 # Bucket 0 190 .long 1 # Bucket 1 191 .long 3 # Bucket 2 192 .long 5863372 # Hash in Bucket 1 193 .long 5863654 # Hash in Bucket 1 194 .long -1413999533 # Hash in Bucket 2 195 .long .Linfo_string4 # String in Bucket 1: fa 196 .long .Linfo_string3 # String in Bucket 1: ns 197 .long .Linfo_string5 # String in Bucket 2: _ZN2ns2faEv 198 .long .Lnames1-.Lnames_entries0 # Offset in Bucket 1 199 .long .Lnames0-.Lnames_entries0 # Offset in Bucket 1 200 .long .Lnames2-.Lnames_entries0 # Offset in Bucket 2 201.Lnames_abbrev_start0: 202 .byte 46 # Abbrev code 203 .byte 46 # DW_TAG_subprogram 204 .byte 3 # DW_IDX_die_offset 205 .byte 19 # DW_FORM_ref4 206 .byte 0 # End of abbrev 207 .byte 0 # End of abbrev 208 .byte 57 # Abbrev code 209 .byte 57 # DW_TAG_namespace 210 .byte 3 # DW_IDX_die_offset 211 .byte 19 # DW_FORM_ref4 212 .byte 0 # End of abbrev 213 .byte 0 # End of abbrev 214 .byte 0 # End of abbrev list 215.Lnames_abbrev_end0: 216.Lnames_entries0: 217.Lnames1: 218 .byte 46 # Abbreviation code 219 .long 37 # DW_IDX_die_offset 220 .byte 0 # End of list: fa 221.Lnames0: 222 .byte 57 # Abbreviation code 223 .long 35 # DW_IDX_die_offset 224 .byte 0 # End of list: ns 225.Lnames2: 226 .byte 46 # Abbreviation code 227 .long 37 # DW_IDX_die_offset 228 .byte 0 # End of list: _ZN2ns2faEv 229 .p2align 2, 0x0 230.Lnames_end0: 231 .section ".note.GNU-stack","",@progbits 232 .addrsig 233 .section .debug_line,"",@progbits 234.Lline_table_start0: 235