# This file was generated by:
# clang++ -g -O0 -S -fdebug-compilation-dir='/proc/self/cwd' -gpubnames a.cpp
# Then manually changing the first .debug_names abbrev, so that the
# DW_IDX_die_offset uses DW_FORM_flag_present (invalid) & the DW_IDX_parent
# uses DW_FORM_ref4. Also updated the sizes of the values in the entry
# that uses the abbrev, to match the sizes of the forms.
# Contents of a.cpp
# int main (int argc, char **argv) { }
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t1.o
# RUN: not ld.lld --debug-names %t1.o -o /dev/null 2>&1 \
# RUN: | FileCheck -DFILE=%t1.o --implicit-check-not=error: %s
# CHECK: error: [[FILE]]:(.debug_names): unrecognized form encoding 25 in abbrev table
.text
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin0:
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
movq %rsi, -16(%rbp)
.Ltmp0:
xorl %eax, %eax
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.Ltmp1:
.Lfunc_end0:
.size main, .Lfunc_end0-main
.cfi_endproc
# -- End function
.section .debug_abbrev,"",@progbits
.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
.Ldebug_info_end0:
.section .debug_str_offsets,"",@progbits
.long 36 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 19.0.0git ([email protected]:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)" # string offset=0
.Linfo_string1:
.asciz "a.cpp" # string offset=104
.Linfo_string2:
.asciz "/proc/self/cwd" # string offset=110
.Linfo_string3:
.asciz "main" # string offset=125
.Linfo_string4:
.asciz "int" # string offset=130
.Linfo_string5:
.asciz "argc" # string offset=134
.Linfo_string6:
.asciz "argv" # string offset=139
.Linfo_string7:
.asciz "char" # string offset=144
.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 2 # Bucket 2
.long 2090499946 # Hash in Bucket 1
.long 193495088 # Hash in Bucket 2
.long 2090147939 # Hash in Bucket 2
.long .Linfo_string3 # String in Bucket 1: main
.long .Linfo_string4 # String in Bucket 2: int
.long .Linfo_string7 # String in Bucket 2: char
.long .Lnames0-.Lnames_entries0 # Offset in Bucket 1
.long .Lnames1-.Lnames_entries0 # Offset in Bucket 2
.long .Lnames2-.Lnames_entries0 # Offset in Bucket 2
.Lnames_abbrev_start0:
.byte 1 # Abbrev code
.byte 46 # DW_TAG_subprogram
.byte 3 # DW_IDX_die_offset
.byte 25 # DW_FORM_flag_present
.byte 4 # DW_IDX_parent
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 2 # Abbrev code
.byte 36 # DW_TAG_base_type
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 4 # DW_IDX_parent
.byte 25 # DW_FORM_flag_present
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 0 # End of abbrev list
.Lnames_abbrev_end0:
.Lnames_entries0:
.Lnames0:
.L1:
.byte 1 # Abbreviation code
.byte 35 # DW_IDX_die_offset
.long 0 # DW_IDX_parent
# End of list: main
.Lnames1:
.L0:
.byte 2 # Abbreviation code
.long 73 # DW_IDX_die_offset
.byte 0 # DW_IDX_parent
# End of list: int
.Lnames2:
.L2:
.byte 2 # Abbreviation code
.long 87 # DW_IDX_die_offset
.byte 0 # DW_IDX_parent
# End of list: char
.p2align 2, 0x0
.Lnames_end0:
.ident "clang version 19.0.0git ([email protected]:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
Codebase Browser
llvm