1# clang++ -g2 -gdwarf-5 main.cpp -S 2# int main(){ 3# return 0; 4# } 5 6 7 .text 8 .file "main.cpp" 9 .globl main # -- Begin function main 10 .p2align 4, 0x90 11 .type main,@function 12main: # @main 13.Lfunc_begin0: 14 .file 0 "." "main.cpp" md5 0x1dc672a3317ca2ae06986e1275dcc6e7 15 .loc 0 1 0 # main.cpp:1:0 16 .cfi_startproc 17# %bb.0: # %entry 18 pushq %rbp 19 .cfi_def_cfa_offset 16 20 .cfi_offset %rbp, -16 21 movq %rsp, %rbp 22 .cfi_def_cfa_register %rbp 23 movl $0, -4(%rbp) 24.Ltmp0: 25 .loc 0 2 3 prologue_end # main.cpp:2:3 26 xorl %eax, %eax 27 popq %rbp 28 .cfi_def_cfa %rsp, 8 29 retq 30.Ltmp1: 31.Lfunc_end0: 32 .size main, .Lfunc_end0-main 33 .cfi_endproc 34 # -- End function 35 .section .debug_abbrev,"",@progbits 36 .byte 1 # Abbreviation Code 37 .byte 17 # DW_TAG_compile_unit 38 .byte 1 # DW_CHILDREN_yes 39 .byte 37 # DW_AT_producer 40 .byte 37 # DW_FORM_strx1 41 .byte 19 # DW_AT_language 42 .byte 5 # DW_FORM_data2 43 .byte 3 # DW_AT_name 44 .byte 37 # DW_FORM_strx1 45 .byte 114 # DW_AT_str_offsets_base 46 .byte 23 # DW_FORM_sec_offset 47 .byte 16 # DW_AT_stmt_list 48 .byte 23 # DW_FORM_sec_offset 49 .byte 27 # DW_AT_comp_dir 50 .byte 37 # DW_FORM_strx1 51 .byte 17 # DW_AT_low_pc 52 .byte 27 # DW_FORM_addrx 53 .byte 18 # DW_AT_high_pc 54 .byte 6 # DW_FORM_data4 55 .byte 115 # DW_AT_addr_base 56 .byte 23 # DW_FORM_sec_offset 57 .byte 0 # EOM(1) 58 .byte 0 # EOM(2) 59 .byte 2 # Abbreviation Code 60 .byte 46 # DW_TAG_subprogram 61 .byte 0 # DW_CHILDREN_no 62 .byte 17 # DW_AT_low_pc 63 .byte 27 # DW_FORM_addrx 64 .byte 18 # DW_AT_high_pc 65 .byte 6 # DW_FORM_data4 66 .byte 64 # DW_AT_frame_base 67 .byte 24 # DW_FORM_exprloc 68 .byte 3 # DW_AT_name 69 .byte 37 # DW_FORM_strx1 70 .byte 58 # DW_AT_decl_file 71 .byte 11 # DW_FORM_data1 72 .byte 59 # DW_AT_decl_line 73 .byte 11 # DW_FORM_data1 74 .byte 73 # DW_AT_type 75 .byte 19 # DW_FORM_ref4 76 .byte 63 # DW_AT_external 77 .byte 25 # DW_FORM_flag_present 78 .byte 0 # EOM(1) 79 .byte 0 # EOM(2) 80 .byte 3 # Abbreviation Code 81 .byte 36 # DW_TAG_base_type 82 .byte 0 # DW_CHILDREN_no 83 .byte 3 # DW_AT_name 84 .byte 37 # DW_FORM_strx1 85 .byte 62 # DW_AT_encoding 86 .byte 11 # DW_FORM_data1 87 .byte 11 # DW_AT_byte_size 88 .byte 11 # DW_FORM_data1 89 .byte 0 # EOM(1) 90 .byte 0 # EOM(2) 91 .byte 0 # EOM(3) 92 .section .debug_info,"",@progbits 93.Lcu_begin0: 94 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 95.Ldebug_info_start0: 96 .short 5 # DWARF version number 97 .byte 1 # DWARF Unit Type 98 .byte 8 # Address Size (in bytes) 99 .long .debug_abbrev # Offset Into Abbrev. Section 100 .byte 1 # Abbrev [1] 0xc:0x2b DW_TAG_compile_unit 101 .byte 0 # DW_AT_producer 102 .short 33 # DW_AT_language 103 .byte 1 # DW_AT_name 104 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 105 .long .Lline_table_start0 # DW_AT_stmt_list 106 .byte 2 # DW_AT_comp_dir 107 .byte 0 # DW_AT_low_pc 108 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 109 .long .Laddr_table_base0 # DW_AT_addr_base 110 .byte 2 # Abbrev [2] 0x23:0xf DW_TAG_subprogram 111 .byte 0 # DW_AT_low_pc 112 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 113 .byte 1 # DW_AT_frame_base 114 .byte 86 115 .byte 3 # DW_AT_name 116 .byte 0 # DW_AT_decl_file 117 .byte 1 # DW_AT_decl_line 118 .long 50 # DW_AT_type 119 # DW_AT_external 120 .byte 3 # Abbrev [3] 0x32:0x4 DW_TAG_base_type 121 .byte 4 # DW_AT_name 122 .byte 5 # DW_AT_encoding 123 .byte 4 # DW_AT_byte_size 124 .byte 0 # End Of Children Mark 125.Ldebug_info_end0: 126 .section .debug_str_offsets,"",@progbits 127 .long 24 # Length of String Offsets Set 128 .short 5 129 .short 0 130.Lstr_offsets_base0: 131 .section .debug_str,"MS",@progbits,1 132.Linfo_string0: 133 .asciz "clang version 16.0.0" # string offset=0 134.Linfo_string1: 135 .asciz "main.cpp" # string offset=134 136.Linfo_string2: 137 .asciz "." # string offset=143 138.Linfo_string3: 139 .asciz "main" # string offset=181 140.Linfo_string4: 141 .asciz "int" # string offset=186 142 .section .debug_str_offsets,"",@progbits 143 .long .Linfo_string0 144 .long .Linfo_string1 145 .long .Linfo_string2 146 .long .Linfo_string3 147 .long .Linfo_string4 148 .section .debug_addr,"",@progbits 149 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 150.Ldebug_addr_start0: 151 .short 5 # DWARF version number 152 .byte 8 # Address size 153 .byte 0 # Segment selector size 154.Laddr_table_base0: 155 .quad .Lfunc_begin0 156.Ldebug_addr_end0: 157 .ident "clang version 16.0.0" 158 .section ".note.GNU-stack","",@progbits 159 .addrsig 160 .section .debug_line,"",@progbits 161.Lline_table_start0: 162