1# REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o 3# RUN: not ld.lld --debug-names %t.o -o /dev/null 2>&1 | \ 4# RUN: FileCheck -DFILE=%t.o --implicit-check-not=error: %s 5 6# CHECK: error: [[FILE]]:(.debug_names): found DWARF64, which is currently unsupported 7 8.ifdef GEN 9//--- a.cc 10struct t1 {}; 11extern "C" void _start(t1) {} 12//--- gen 13clang --target=x86_64-linux -S -g -gpubnames -gdwarf64 a.cc -o - 14.endif 15 .text 16 .file "a.cc" 17 .globl _start # -- Begin function _start 18 .p2align 4, 0x90 19 .type _start,@function 20_start: # @_start 21.Lfunc_begin0: 22 .file 0 "/proc/self/cwd" "a.cc" md5 0x6835f89a7d36054002b51e54e47d852e 23 .loc 0 2 0 # a.cc:2:0 24 .cfi_startproc 25# %bb.0: # %entry 26 pushq %rbp 27 .cfi_def_cfa_offset 16 28 .cfi_offset %rbp, -16 29 movq %rsp, %rbp 30 .cfi_def_cfa_register %rbp 31.Ltmp0: 32 .loc 0 2 29 prologue_end epilogue_begin # a.cc:2:29 33 popq %rbp 34 .cfi_def_cfa %rsp, 8 35 retq 36.Ltmp1: 37.Lfunc_end0: 38 .size _start, .Lfunc_end0-_start 39 .cfi_endproc 40 # -- End function 41 .section .debug_abbrev,"",@progbits 42 .byte 1 # Abbreviation Code 43 .byte 17 # DW_TAG_compile_unit 44 .byte 1 # DW_CHILDREN_yes 45 .byte 37 # DW_AT_producer 46 .byte 37 # DW_FORM_strx1 47 .byte 19 # DW_AT_language 48 .byte 5 # DW_FORM_data2 49 .byte 3 # DW_AT_name 50 .byte 37 # DW_FORM_strx1 51 .byte 114 # DW_AT_str_offsets_base 52 .byte 23 # DW_FORM_sec_offset 53 .byte 16 # DW_AT_stmt_list 54 .byte 23 # DW_FORM_sec_offset 55 .byte 27 # DW_AT_comp_dir 56 .byte 37 # DW_FORM_strx1 57 .byte 17 # DW_AT_low_pc 58 .byte 27 # DW_FORM_addrx 59 .byte 18 # DW_AT_high_pc 60 .byte 6 # DW_FORM_data4 61 .byte 115 # DW_AT_addr_base 62 .byte 23 # DW_FORM_sec_offset 63 .byte 0 # EOM(1) 64 .byte 0 # EOM(2) 65 .byte 2 # Abbreviation Code 66 .byte 46 # DW_TAG_subprogram 67 .byte 1 # DW_CHILDREN_yes 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 64 # DW_AT_frame_base 73 .byte 24 # DW_FORM_exprloc 74 .byte 3 # DW_AT_name 75 .byte 37 # DW_FORM_strx1 76 .byte 58 # DW_AT_decl_file 77 .byte 11 # DW_FORM_data1 78 .byte 59 # DW_AT_decl_line 79 .byte 11 # DW_FORM_data1 80 .byte 63 # DW_AT_external 81 .byte 25 # DW_FORM_flag_present 82 .byte 0 # EOM(1) 83 .byte 0 # EOM(2) 84 .byte 3 # Abbreviation Code 85 .byte 5 # DW_TAG_formal_parameter 86 .byte 0 # DW_CHILDREN_no 87 .byte 2 # DW_AT_location 88 .byte 24 # DW_FORM_exprloc 89 .byte 58 # DW_AT_decl_file 90 .byte 11 # DW_FORM_data1 91 .byte 59 # DW_AT_decl_line 92 .byte 11 # DW_FORM_data1 93 .byte 73 # DW_AT_type 94 .byte 19 # DW_FORM_ref4 95 .byte 0 # EOM(1) 96 .byte 0 # EOM(2) 97 .byte 4 # Abbreviation Code 98 .byte 19 # DW_TAG_structure_type 99 .byte 0 # DW_CHILDREN_no 100 .byte 54 # DW_AT_calling_convention 101 .byte 11 # DW_FORM_data1 102 .byte 3 # DW_AT_name 103 .byte 37 # DW_FORM_strx1 104 .byte 11 # DW_AT_byte_size 105 .byte 11 # DW_FORM_data1 106 .byte 58 # DW_AT_decl_file 107 .byte 11 # DW_FORM_data1 108 .byte 59 # DW_AT_decl_line 109 .byte 11 # DW_FORM_data1 110 .byte 0 # EOM(1) 111 .byte 0 # EOM(2) 112 .byte 0 # EOM(3) 113 .section .debug_info,"",@progbits 114.Lcu_begin0: 115 .long 4294967295 # DWARF64 Mark 116 .quad .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 117.Ldebug_info_start0: 118 .short 5 # DWARF version number 119 .byte 1 # DWARF Unit Type 120 .byte 8 # Address Size (in bytes) 121 .quad .debug_abbrev # Offset Into Abbrev. Section 122 .byte 1 # Abbrev [1] 0x18:0x40 DW_TAG_compile_unit 123 .byte 0 # DW_AT_producer 124 .short 33 # DW_AT_language 125 .byte 1 # DW_AT_name 126 .quad .Lstr_offsets_base0 # DW_AT_str_offsets_base 127 .quad .Lline_table_start0 # DW_AT_stmt_list 128 .byte 2 # DW_AT_comp_dir 129 .byte 0 # DW_AT_low_pc 130 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 131 .quad .Laddr_table_base0 # DW_AT_addr_base 132 .byte 2 # Abbrev [2] 0x3b:0x16 DW_TAG_subprogram 133 .byte 0 # DW_AT_low_pc 134 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 135 .byte 1 # DW_AT_frame_base 136 .byte 86 137 .byte 3 # DW_AT_name 138 .byte 0 # DW_AT_decl_file 139 .byte 2 # DW_AT_decl_line 140 # DW_AT_external 141 .byte 3 # Abbrev [3] 0x46:0xa DW_TAG_formal_parameter 142 .byte 2 # DW_AT_location 143 .byte 145 144 .byte 127 145 .byte 0 # DW_AT_decl_file 146 .byte 2 # DW_AT_decl_line 147 .long 81 # DW_AT_type 148 .byte 0 # End Of Children Mark 149 .byte 4 # Abbrev [4] 0x51:0x6 DW_TAG_structure_type 150 .byte 5 # DW_AT_calling_convention 151 .byte 4 # DW_AT_name 152 .byte 1 # DW_AT_byte_size 153 .byte 0 # DW_AT_decl_file 154 .byte 1 # DW_AT_decl_line 155 .byte 0 # End Of Children Mark 156.Ldebug_info_end0: 157 .section .debug_str_offsets,"",@progbits 158 .long 4294967295 # DWARF64 Mark 159 .quad 44 # Length of String Offsets Set 160 .short 5 161 .short 0 162.Lstr_offsets_base0: 163 .section .debug_str,"MS",@progbits,1 164.Linfo_string0: 165 .byte 0 # string offset=0 166.Linfo_string1: 167 .asciz "a.cc" # string offset=1 168.Linfo_string2: 169 .asciz "/proc/self/cwd" # string offset=6 170.Linfo_string3: 171 .asciz "_start" # string offset=21 172.Linfo_string4: 173 .asciz "t1" # string offset=28 174 .section .debug_str_offsets,"",@progbits 175 .quad .Linfo_string0 176 .quad .Linfo_string1 177 .quad .Linfo_string2 178 .quad .Linfo_string3 179 .quad .Linfo_string4 180 .section .debug_addr,"",@progbits 181 .long 4294967295 # DWARF64 Mark 182 .quad .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 183.Ldebug_addr_start0: 184 .short 5 # DWARF version number 185 .byte 8 # Address size 186 .byte 0 # Segment selector size 187.Laddr_table_base0: 188 .quad .Lfunc_begin0 189.Ldebug_addr_end0: 190 .section .debug_names,"",@progbits 191 .long 4294967295 # DWARF64 Mark 192 .quad .Lnames_end0-.Lnames_start0 # Header: unit length 193.Lnames_start0: 194 .short 5 # Header: version 195 .short 0 # Header: padding 196 .long 1 # Header: compilation unit count 197 .long 0 # Header: local type unit count 198 .long 0 # Header: foreign type unit count 199 .long 2 # Header: bucket count 200 .long 2 # Header: name count 201 .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size 202 .long 8 # Header: augmentation string size 203 .ascii "LLVM0700" # Header: augmentation string 204 .quad .Lcu_begin0 # Compilation unit 0 205 .long 1 # Bucket 0 206 .long 0 # Bucket 1 207 .long 5863786 # Hash in Bucket 0 208 .long -304389582 # Hash in Bucket 0 209 .quad .Linfo_string4 # String in Bucket 0: t1 210 .quad .Linfo_string3 # String in Bucket 0: _start 211 .quad .Lnames1-.Lnames_entries0 # Offset in Bucket 0 212 .quad .Lnames0-.Lnames_entries0 # Offset in Bucket 0 213.Lnames_abbrev_start0: 214 .byte 1 # Abbrev code 215 .byte 19 # DW_TAG_structure_type 216 .byte 3 # DW_IDX_die_offset 217 .byte 19 # DW_FORM_ref4 218 .byte 4 # DW_IDX_parent 219 .byte 25 # DW_FORM_flag_present 220 .byte 0 # End of abbrev 221 .byte 0 # End of abbrev 222 .byte 2 # Abbrev code 223 .byte 46 # DW_TAG_subprogram 224 .byte 3 # DW_IDX_die_offset 225 .byte 19 # DW_FORM_ref4 226 .byte 4 # DW_IDX_parent 227 .byte 25 # DW_FORM_flag_present 228 .byte 0 # End of abbrev 229 .byte 0 # End of abbrev 230 .byte 0 # End of abbrev list 231.Lnames_abbrev_end0: 232.Lnames_entries0: 233.Lnames1: 234.L1: 235 .byte 1 # Abbreviation code 236 .long 81 # DW_IDX_die_offset 237 .byte 0 # DW_IDX_parent 238 # End of list: t1 239.Lnames0: 240.L0: 241 .byte 2 # Abbreviation code 242 .long 59 # DW_IDX_die_offset 243 .byte 0 # DW_IDX_parent 244 # End of list: _start 245 .p2align 2, 0x0 246.Lnames_end0: 247 .section ".note.GNU-stack","",@progbits 248 .addrsig 249 .section .debug_line,"",@progbits 250.Lline_table_start0: 251