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# REQUIRES: x86
## Test clang-17-generated DW_TAG_subprogram, which do not contain DW_IDX_parent
## attributes.
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
# RUN: ld.lld --debug-names %t.o -o %t
# RUN: llvm-dwarfdump --debug-info --debug-names %t | FileCheck %s --check-prefix=DWARF
# DWARF: 0x00000023: DW_TAG_namespace
# DWARF: 0x00000025: DW_TAG_subprogram
# DWARF: String: {{.*}} "fa"
# DWARF-NEXT: Entry @ 0x71 {
# DWARF-NEXT: Abbrev: 0x1
# DWARF-NEXT: Tag: DW_TAG_subprogram
# DWARF-NEXT: DW_IDX_die_offset: 0x00000025
# DWARF-NEXT: DW_IDX_compile_unit: 0x00
# DWARF-NEXT: }
# DWARF: String: {{.*}} "ns"
# DWARF-NEXT: Entry @ 0x78 {
# DWARF-NEXT: Abbrev: 0x2
# DWARF-NEXT: Tag: DW_TAG_namespace
# DWARF-NEXT: DW_IDX_die_offset: 0x00000023
# DWARF-NEXT: DW_IDX_compile_unit: 0x00
# DWARF-NEXT: }
.ifdef GEN
//--- a.cc
namespace ns {
void fa() {}
}
//--- gen
clang-17 --target=x86_64-linux -S -O1 -g -gpubnames a.cc -o -
.endif
.text
.file "a.cc"
.globl _ZN2ns2faEv # -- Begin function _ZN2ns2faEv
.p2align 4, 0x90
.type _ZN2ns2faEv,@function
_ZN2ns2faEv: # @_ZN2ns2faEv
.Lfunc_begin0:
.file 0 "/proc/self/cwd" "a.cc" md5 0xb3281d5b5a0b2997d7d59d49bc912274
.cfi_startproc
# %bb.0:
.loc 0 2 12 prologue_end # a.cc:2:12
retq
.Ltmp0:
.Lfunc_end0:
.size _ZN2ns2faEv, .Lfunc_end0-_ZN2ns2faEv
.cfi_endproc
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 37 # DW_FORM_strx1
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 57 # DW_TAG_namespace
.byte 1 # DW_CHILDREN_yes
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 0 # DW_CHILDREN_no
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 122 # DW_AT_call_all_calls
.byte 25 # DW_FORM_flag_present
.byte 110 # DW_AT_linkage_name
.byte 37 # DW_FORM_strx1
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 1 # Abbrev [1] 0xc:0x27 DW_TAG_compile_unit
.byte 0 # DW_AT_producer
.short 33 # DW_AT_language
.byte 1 # DW_AT_name
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.long .Lline_table_start0 # DW_AT_stmt_list
.byte 2 # DW_AT_comp_dir
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_addr_base
.byte 2 # Abbrev [2] 0x23:0xf DW_TAG_namespace
.byte 3 # DW_AT_name
.byte 3 # Abbrev [3] 0x25:0xc DW_TAG_subprogram
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 87
# DW_AT_call_all_calls
.byte 4 # DW_AT_linkage_name
.byte 5 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
# DW_AT_external
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_str_offsets,"",@progbits
.long 28 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.byte 0 # string offset=0
.Linfo_string1:
.asciz "a.cc" # string offset=1
.Linfo_string2:
.asciz "/proc/self/cwd" # string offset=6
.Linfo_string3:
.asciz "ns" # string offset=21
.Linfo_string4:
.asciz "fa" # string offset=24
.Linfo_string5:
.asciz "_ZN2ns2faEv" # string offset=27
.section .debug_str_offsets,"",@progbits
.long .Linfo_string0
.long .Linfo_string1
.long .Linfo_string2
.long .Linfo_string3
.long .Linfo_string5
.long .Linfo_string4
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad .Lfunc_begin0
.Ldebug_addr_end0:
.section .debug_names,"",@progbits
.long .Lnames_end0-.Lnames_start0 # Header: unit length
.Lnames_start0:
.short 5 # Header: version
.short 0 # Header: padding
.long 1 # Header: compilation unit count
.long 0 # Header: local type unit count
.long 0 # Header: foreign type unit count
.long 3 # Header: bucket count
.long 3 # Header: name count
.long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
.long 8 # Header: augmentation string size
.ascii "LLVM0700" # Header: augmentation string
.long .Lcu_begin0 # Compilation unit 0
.long 0 # Bucket 0
.long 1 # Bucket 1
.long 3 # Bucket 2
.long 5863372 # Hash in Bucket 1
.long 5863654 # Hash in Bucket 1
.long -1413999533 # Hash in Bucket 2
.long .Linfo_string4 # String in Bucket 1: fa
.long .Linfo_string3 # String in Bucket 1: ns
.long .Linfo_string5 # String in Bucket 2: _ZN2ns2faEv
.long .Lnames1-.Lnames_entries0 # Offset in Bucket 1
.long .Lnames0-.Lnames_entries0 # Offset in Bucket 1
.long .Lnames2-.Lnames_entries0 # Offset in Bucket 2
.Lnames_abbrev_start0:
.byte 46 # Abbrev code
.byte 46 # DW_TAG_subprogram
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 57 # Abbrev code
.byte 57 # DW_TAG_namespace
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 0 # End of abbrev list
.Lnames_abbrev_end0:
.Lnames_entries0:
.Lnames1:
.byte 46 # Abbreviation code
.long 37 # DW_IDX_die_offset
.byte 0 # End of list: fa
.Lnames0:
.byte 57 # Abbreviation code
.long 35 # DW_IDX_die_offset
.byte 0 # End of list: ns
.Lnames2:
.byte 46 # Abbreviation code
.long 37 # DW_IDX_die_offset
.byte 0 # End of list: _ZN2ns2faEv
.p2align 2, 0x0
.Lnames_end0:
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
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