# clang++ -g2 -fdebug-types-section -gdwarf-4 -ffunction-sections # struct Foo { # int i; # }; # Foo f2; .text .file "main.cpp" .section .text._Z3fooi,"ax",@progbits .globl _Z3fooi # -- Begin function _Z3fooi .p2align 4, 0x90 .type _Z3fooi,@function _Z3fooi: # @_Z3fooi .Lfunc_begin0: .file 1 "/test" "main.cpp" .loc 1 1 0 # main.cpp:1:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp movl %edi, -8(%rbp) .Ltmp0: .loc 1 2 9 prologue_end # main.cpp:2:9 cmpl $1, -8(%rbp) .Ltmp1: .loc 1 2 7 is_stmt 0 # main.cpp:2:7 jne .LBB0_2 # %bb.1: # %if.then .Ltmp2: .loc 1 3 5 is_stmt 1 # main.cpp:3:5 movl $2, -4(%rbp) jmp .LBB0_3 .Ltmp3: .LBB0_2: # %if.end .loc 1 4 3 # main.cpp:4:3 movl $1, -4(%rbp) .LBB0_3: # %return .loc 1 5 1 # main.cpp:5:1 movl -4(%rbp), %eax .loc 1 5 1 epilogue_begin is_stmt 0 # main.cpp:5:1 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp4: .Lfunc_end0: .size _Z3fooi, .Lfunc_end0-_Z3fooi .cfi_endproc # -- End function .section .text.main,"ax",@progbits .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin1: .loc 1 6 0 is_stmt 1 # main.cpp:6:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp subq $32, %rsp movl $0, -4(%rbp) movl %edi, -8(%rbp) movq %rsi, -16(%rbp) .Ltmp5: .loc 1 7 11 prologue_end # main.cpp:7:11 movl -8(%rbp), %eax .loc 1 7 7 is_stmt 0 # main.cpp:7:7 movl %eax, -20(%rbp) .Ltmp6: .loc 1 8 9 is_stmt 1 # main.cpp:8:9 cmpl $3, -20(%rbp) .Ltmp7: .loc 1 8 7 is_stmt 0 # main.cpp:8:7 jne .LBB1_2 # %bb.1: # %if.then .Ltmp8: .loc 1 9 13 is_stmt 1 # main.cpp:9:13 movl -8(%rbp), %edi .loc 1 9 9 is_stmt 0 # main.cpp:9:9 callq _Z3fooi .loc 1 9 6 # main.cpp:9:6 addl -20(%rbp), %eax movl %eax, -20(%rbp) .Ltmp9: .LBB1_2: # %if.end .loc 1 10 10 is_stmt 1 # main.cpp:10:10 movl -20(%rbp), %eax .loc 1 10 3 epilogue_begin is_stmt 0 # main.cpp:10:3 addq $32, %rsp popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp10: .Lfunc_end1: .size main, .Lfunc_end1-main .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 14 # DW_FORM_strp .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .byte 16 # DW_AT_stmt_list .byte 23 # DW_FORM_sec_offset .byte 27 # DW_AT_comp_dir .byte 14 # DW_FORM_strp .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 85 # DW_AT_ranges .byte 23 # DW_FORM_sec_offset .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .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 14 # DW_FORM_strp .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 5 # DW_TAG_formal_parameter .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 0 # EOM(1) .byte 0 # EOM(2) .byte 4 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .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 .byte 14 # DW_FORM_strp .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 5 # Abbreviation Code .byte 52 # DW_TAG_variable .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 0 # EOM(1) .byte 0 # EOM(2) .byte 6 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 7 # Abbreviation Code .byte 15 # DW_TAG_pointer_type .byte 0 # DW_CHILDREN_no .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .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:0xa8 DW_TAG_compile_unit .long .Linfo_string0 # DW_AT_producer .short 33 # DW_AT_language .long .Linfo_string1 # DW_AT_name .long .Lline_table_start0 # DW_AT_stmt_list .long .Linfo_string2 # DW_AT_comp_dir .quad 0 # DW_AT_low_pc .long .Ldebug_ranges0 # DW_AT_ranges .byte 2 # Abbrev [2] 0x2a:0x2c DW_TAG_subprogram .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string3 # DW_AT_linkage_name .long .Linfo_string4 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 154 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x47:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 120 .long .Linfo_string7 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 154 # DW_AT_type .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x56:0x44 DW_TAG_subprogram .quad .Lfunc_begin1 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string6 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 154 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x6f:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 120 .long .Linfo_string8 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 154 # DW_AT_type .byte 3 # Abbrev [3] 0x7d:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 112 .long .Linfo_string9 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 161 # DW_AT_type .byte 5 # Abbrev [5] 0x8b:0xe DW_TAG_variable .byte 2 # DW_AT_location .byte 145 .byte 108 .long .Linfo_string11 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 7 # DW_AT_decl_line .long 154 # DW_AT_type .byte 0 # End Of Children Mark .byte 6 # Abbrev [6] 0x9a:0x7 DW_TAG_base_type .long .Linfo_string5 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 7 # Abbrev [7] 0xa1:0x5 DW_TAG_pointer_type .long 166 # DW_AT_type .byte 7 # Abbrev [7] 0xa6:0x5 DW_TAG_pointer_type .long 171 # DW_AT_type .byte 6 # Abbrev [6] 0xab:0x7 DW_TAG_base_type .long .Linfo_string10 # DW_AT_name .byte 6 # DW_AT_encoding .byte 1 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_ranges,"",@progbits .Ldebug_ranges0: .quad .Lfunc_begin0 .quad .Lfunc_end0 .quad .Lfunc_begin1 .quad .Lfunc_end1 .quad 0 .quad 0 .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 18.0.0git" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=24 .Linfo_string2: .asciz "/test" # string offset=33 .Linfo_string3: .asciz "_Z3fooi" # string offset=71 .Linfo_string4: .asciz "foo" # string offset=79 .Linfo_string5: .asciz "int" # string offset=83 .Linfo_string6: .asciz "main" # string offset=87 .Linfo_string7: .asciz "i" # string offset=92 .Linfo_string8: .asciz "argc" # string offset=94 .Linfo_string9: .asciz "argv" # string offset=99 .Linfo_string10: .asciz "char" # string offset=104 .Linfo_string11: .asciz "j" # string offset=109 .ident "clang version 18.0.0git" .section ".note.GNU-stack","",@progbits .addrsig .addrsig_sym _Z3fooi .section .debug_line,"",@progbits .Lline_table_start0: