#--- main.s # clang++ -g2 -gdwarf-4 -gsplit-dwarf=split -gno-pubnames -S main.cpp # extern int getReturn(); # int main() { # return getReturn(); # } .file "main.cpp" .globl main # -- Begin function main .type main,@function main: # @main .Lfunc_begin0: .file 1 "." "main.cpp" .loc 1 2 0 # main.cpp:2:0 .loc 1 3 10 prologue_end # main.cpp:3:10 .loc 1 3 3 epilogue_begin is_stmt 0 # main.cpp:3:3 retq .Lfunc_end0: .size main, .Lfunc_end0-main .section .debug_abbrev,"",@progbits .byte 1 # Abbreviation Code .byte 17 # DW_TAG_compile_unit .byte 0 # DW_CHILDREN_no .byte 16 # DW_AT_stmt_list .byte 23 # DW_FORM_sec_offset .byte 27 # DW_AT_comp_dir .byte 14 # DW_FORM_strp .ascii "\260B" # DW_AT_GNU_dwo_name .byte 14 # DW_FORM_strp .ascii "\261B" # DW_AT_GNU_dwo_id .byte 7 # DW_FORM_data8 .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .ascii "\263B" # DW_AT_GNU_addr_base .byte 23 # DW_FORM_sec_offset .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 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit .long .Lline_table_start0 # DW_AT_stmt_list .long .Lskel_string0 # DW_AT_comp_dir .long .Lskel_string1 # DW_AT_GNU_dwo_name .quad -9094791692727444213 # DW_AT_GNU_dwo_id .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .long .Laddr_table_base0 # DW_AT_GNU_addr_base .Ldebug_info_end0: .section .debug_str,"MS",@progbits,1 .Lskel_string0: .asciz "." # string offset=0 .Lskel_string1: .asciz "main.dwo" # string offset=2 .section .debug_str.dwo,"eMS",@progbits,1 .Linfo_string0: .asciz "main" # string offset=0 .Linfo_string1: .asciz "int" # string offset=5 .Linfo_string2: .asciz "clang version 22.0.0" # string offset=9 .Linfo_string3: .asciz "main.cpp" # string offset=30 .Linfo_string4: .asciz "main.dwo" # string offset=39 .section .debug_str_offsets.dwo,"e",@progbits .long 0 .long 5 .long 9 .long 30 .long 39 .section .debug_info.dwo,"e",@progbits .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit .Ldebug_info_dwo_start0: .short 4 # DWARF version number .long 0 # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0x22 DW_TAG_compile_unit .byte 2 # DW_AT_producer .short 33 # DW_AT_language .byte 3 # DW_AT_name .byte 4 # DW_AT_GNU_dwo_name .quad -9094791692727444213 # DW_AT_GNU_dwo_id .byte 2 # Abbrev [2] 0x19:0xf 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 86 .byte 0 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .long 40 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x28:0x4 DW_TAG_base_type .byte 1 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_dwo_end0: .section .debug_abbrev.dwo,"e",@progbits .byte 1 # Abbreviation Code .byte 17 # DW_TAG_compile_unit .byte 1 # DW_CHILDREN_yes .byte 37 # DW_AT_producer .ascii "\202>" # DW_FORM_GNU_str_index .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 3 # DW_AT_name .ascii "\202>" # DW_FORM_GNU_str_index .ascii "\260B" # DW_AT_GNU_dwo_name .ascii "\202>" # DW_FORM_GNU_str_index .ascii "\261B" # DW_AT_GNU_dwo_id .byte 7 # DW_FORM_data8 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 0 # DW_CHILDREN_no .byte 17 # DW_AT_low_pc .ascii "\201>" # DW_FORM_GNU_addr_index .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 64 # DW_AT_frame_base .byte 24 # DW_FORM_exprloc .byte 3 # DW_AT_name .ascii "\202>" # DW_FORM_GNU_str_index .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 3 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .ascii "\202>" # DW_FORM_GNU_str_index .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 0 # EOM(3) .section .debug_addr,"",@progbits .Laddr_table_base0: .quad .Lfunc_begin0 .ident "clang version 22.0.0" .section ".note.GNU-stack","",@progbits .addrsig .addrsig_sym _Z9getReturnv .section .debug_line,"",@progbits .Lline_table_start0: #--- helper.s # clang++ -g2 -gdwarf-4 -gsplit-dwarf=split -gno-pubnames -S helper.cpp # int getReturn() { # return 0; # } .file "helper.cpp" .globl _Z9getReturnv # -- Begin function _Z9getReturnv .type _Z9getReturnv,@function _Z9getReturnv: # @_Z9getReturnv .Lfunc_begin0: .file 1 "." "helper.cpp" .loc 1 1 0 # helper.cpp:1:0 .loc 1 2 3 prologue_end # helper.cpp:2:3 .loc 1 2 3 epilogue_begin is_stmt 0 # helper.cpp:2:3 retq .Lfunc_end0: .size _Z9getReturnv, .Lfunc_end0-_Z9getReturnv .section .debug_abbrev,"",@progbits .byte 1 # Abbreviation Code .byte 17 # DW_TAG_compile_unit .byte 0 # DW_CHILDREN_no .byte 16 # DW_AT_stmt_list .byte 23 # DW_FORM_sec_offset .byte 27 # DW_AT_comp_dir .byte 14 # DW_FORM_strp .ascii "\260B" # DW_AT_GNU_dwo_name .byte 14 # DW_FORM_strp .ascii "\261B" # DW_AT_GNU_dwo_id .byte 7 # DW_FORM_data8 .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .ascii "\263B" # DW_AT_GNU_addr_base .byte 23 # DW_FORM_sec_offset .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 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit .long .Lline_table_start0 # DW_AT_stmt_list .long .Lskel_string0 # DW_AT_comp_dir .long .Lskel_string1 # DW_AT_GNU_dwo_name .quad 5976014880088676049 # DW_AT_GNU_dwo_id .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .long .Laddr_table_base0 # DW_AT_GNU_addr_base .Ldebug_info_end0: .section .debug_str,"MS",@progbits,1 .Lskel_string0: .asciz "." # string offset=0 .Lskel_string1: .asciz "helper.dwo" # string offset=2 .section .debug_str.dwo,"eMS",@progbits,1 .Linfo_string0: .asciz "_Z9getReturnv" # string offset=0 .Linfo_string1: .asciz "getReturn" # string offset=14 .Linfo_string2: .asciz "int" # string offset=24 .Linfo_string3: .asciz "clang version 22.0.0" # string offset=28 .Linfo_string4: .asciz "helper.cpp" # string offset=49 .Linfo_string5: .asciz "helper.dwo" # string offset=60 .section .debug_str_offsets.dwo,"e",@progbits .long 0 .long 14 .long 24 .long 28 .long 49 .long 60 .section .debug_info.dwo,"e",@progbits .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit .Ldebug_info_dwo_start0: .short 4 # DWARF version number .long 0 # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0x23 DW_TAG_compile_unit .byte 3 # DW_AT_producer .short 33 # DW_AT_language .byte 4 # DW_AT_name .byte 5 # DW_AT_GNU_dwo_name .quad 5976014880088676049 # DW_AT_GNU_dwo_id .byte 2 # Abbrev [2] 0x19:0x10 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 86 .byte 0 # DW_AT_linkage_name .byte 1 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 41 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x29:0x4 DW_TAG_base_type .byte 2 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_dwo_end0: .section .debug_abbrev.dwo,"e",@progbits .byte 1 # Abbreviation Code .byte 17 # DW_TAG_compile_unit .byte 1 # DW_CHILDREN_yes .byte 37 # DW_AT_producer .ascii "\202>" # DW_FORM_GNU_str_index .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 3 # DW_AT_name .ascii "\202>" # DW_FORM_GNU_str_index .ascii "\260B" # DW_AT_GNU_dwo_name .ascii "\202>" # DW_FORM_GNU_str_index .ascii "\261B" # DW_AT_GNU_dwo_id .byte 7 # DW_FORM_data8 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 0 # DW_CHILDREN_no .byte 17 # DW_AT_low_pc .ascii "\201>" # DW_FORM_GNU_addr_index .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 .ascii "\202>" # DW_FORM_GNU_str_index .byte 3 # DW_AT_name .ascii "\202>" # DW_FORM_GNU_str_index .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 3 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .ascii "\202>" # DW_FORM_GNU_str_index .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 0 # EOM(3) .section .debug_addr,"",@progbits .Laddr_table_base0: .quad .Lfunc_begin0 .ident "clang version 22.0.0" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: