# clang++ -O0 -g2 -S -ffunction-sections -o # int Foo; # int helper() { # return 0; # } # # int helperhelper() { # return 0; # } # int helperhelper2() { # return 1; # } .text .file "helper.cpp" .file 0 "/repro2" "helper.cpp" md5 0xef451fc8d099ed067c9f2ff97d8aacf6 .section .text._Z6helperv,"ax",@progbits .globl _Z6helperv # -- Begin function _Z6helperv .p2align 4, 0x90 .type _Z6helperv,@function _Z6helperv: # @_Z6helperv .Lfunc_begin0: .loc 0 2 0 # helper.cpp:2:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp .Ltmp0: .loc 0 3 3 prologue_end # helper.cpp:3:3 xorl %eax, %eax .loc 0 3 3 epilogue_begin is_stmt 0 # helper.cpp:3:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp1: .Lfunc_end0: .size _Z6helperv, .Lfunc_end0-_Z6helperv .cfi_endproc # -- End function .section .text._Z12helperhelperv,"ax",@progbits .globl _Z12helperhelperv # -- Begin function _Z12helperhelperv .p2align 4, 0x90 .type _Z12helperhelperv,@function _Z12helperhelperv: # @_Z12helperhelperv .Lfunc_begin1: .loc 0 5 0 is_stmt 1 # helper.cpp:5:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp .Ltmp2: .loc 0 6 3 prologue_end # helper.cpp:6:3 xorl %eax, %eax .loc 0 6 3 epilogue_begin is_stmt 0 # helper.cpp:6:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp3: .Lfunc_end1: .size _Z12helperhelperv, .Lfunc_end1-_Z12helperhelperv .cfi_endproc # -- End function .section .text._Z13helperhelper2v,"ax",@progbits .globl _Z13helperhelper2v # -- Begin function _Z13helperhelper2v .p2align 4, 0x90 .type _Z13helperhelper2v,@function _Z13helperhelper2v: # @_Z13helperhelper2v .Lfunc_begin2: .loc 0 8 0 is_stmt 1 # helper.cpp:8:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp .Ltmp4: .loc 0 9 3 prologue_end # helper.cpp:9:3 movl $1, %eax .loc 0 9 3 epilogue_begin is_stmt 0 # helper.cpp:9:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp5: .Lfunc_end2: .size _Z13helperhelper2v, .Lfunc_end2-_Z13helperhelper2v .cfi_endproc # -- End function .type Foo,@object # @Foo .bss .globl Foo .p2align 2, 0x0 Foo: .long 0 # 0x0 .size Foo, 4 .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 1 # DW_FORM_addr .byte 85 # DW_AT_ranges .byte 35 # DW_FORM_rnglistx .byte 115 # DW_AT_addr_base .byte 23 # DW_FORM_sec_offset .byte 116 # DW_AT_rnglists_base .byte 23 # DW_FORM_sec_offset .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 52 # DW_TAG_variable .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 37 # DW_FORM_strx1 .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .byte 63 # DW_AT_external .byte 25 # DW_FORM_flag_present .byte 58 # DW_AT_decl_file .byte 11 # DW_FORM_data1 .byte 59 # DW_AT_decl_line .byte 11 # DW_FORM_data1 .byte 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 3 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 37 # DW_FORM_strx1 .byte 62 # DW_AT_encoding .byte 11 # DW_FORM_data1 .byte 11 # DW_AT_byte_size .byte 11 # DW_FORM_data1 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 4 # 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 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 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .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:0x5f 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 .quad 0 # DW_AT_low_pc .byte 0 # DW_AT_ranges .long .Laddr_table_base0 # DW_AT_addr_base .long .Lrnglists_table_base0 # DW_AT_rnglists_base .byte 2 # Abbrev [2] 0x2b:0xb DW_TAG_variable .byte 3 # DW_AT_name .long 54 # DW_AT_type # DW_AT_external .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 2 # DW_AT_location .byte 161 .byte 0 .byte 3 # Abbrev [3] 0x36:0x4 DW_TAG_base_type .byte 4 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 4 # Abbrev [4] 0x3a:0x10 DW_TAG_subprogram .byte 1 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .byte 5 # DW_AT_linkage_name .byte 6 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .long 54 # DW_AT_type # DW_AT_external .byte 4 # Abbrev [4] 0x4a:0x10 DW_TAG_subprogram .byte 2 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .byte 7 # DW_AT_linkage_name .byte 8 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 54 # DW_AT_type # DW_AT_external .byte 4 # Abbrev [4] 0x5a:0x10 DW_TAG_subprogram .byte 3 # DW_AT_low_pc .long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .byte 9 # DW_AT_linkage_name .byte 10 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 8 # DW_AT_decl_line .long 54 # DW_AT_type # DW_AT_external .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_rnglists,"",@progbits .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length .Ldebug_list_header_start0: .short 5 # Version .byte 8 # Address size .byte 0 # Segment selector size .long 1 # Offset entry count .Lrnglists_table_base0: .long .Ldebug_ranges0-.Lrnglists_table_base0 .Ldebug_ranges0: .byte 3 # DW_RLE_startx_length .byte 1 # start index .uleb128 .Lfunc_end0-.Lfunc_begin0 # length .byte 3 # DW_RLE_startx_length .byte 2 # start index .uleb128 .Lfunc_end1-.Lfunc_begin1 # length .byte 3 # DW_RLE_startx_length .byte 3 # start index .uleb128 .Lfunc_end2-.Lfunc_begin2 # length .byte 0 # DW_RLE_end_of_list .Ldebug_list_header_end0: .section .debug_str_offsets,"",@progbits .long 48 # 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 (git@github.com:ayermolo/llvm-project.git 6c884ef47e88e5ff18353819e806fe1b84e3c5b5)" # string offset=0 .Linfo_string1: .asciz "helper.cpp" # string offset=108 .Linfo_string2: .asciz "/repro2" # string offset=119 .Linfo_string3: .asciz "Foo" # string offset=164 .Linfo_string4: .asciz "int" # string offset=168 .Linfo_string5: .asciz "_Z6helperv" # string offset=172 .Linfo_string6: .asciz "helper" # string offset=183 .Linfo_string7: .asciz "_Z12helperhelperv" # string offset=190 .Linfo_string8: .asciz "helperhelper" # string offset=208 .Linfo_string9: .asciz "_Z13helperhelper2v" # string offset=221 .Linfo_string10: .asciz "helperhelper2" # string offset=240 .section .debug_str_offsets,"",@progbits .long .Linfo_string0 .long .Linfo_string1 .long .Linfo_string2 .long .Linfo_string3 .long .Linfo_string4 .long .Linfo_string5 .long .Linfo_string6 .long .Linfo_string7 .long .Linfo_string8 .long .Linfo_string9 .long .Linfo_string10 .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 Foo .quad .Lfunc_begin0 .quad .Lfunc_begin1 .quad .Lfunc_begin2 .Ldebug_addr_end0: .ident "clang version 19.0.0git (git@github.com:ayermolo/llvm-project.git 6c884ef47e88e5ff18353819e806fe1b84e3c5b5)" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: