# clang++ -fbasic-block-sections=all -ffunction-sections -g2 -gdwarf-5 # int doStuff(int val) { # if (val) # ++val; # return val; # } # # int main(int argc, const char** argv) { # return doStuff(argc); # } .text .file "main.cpp" .section .text._Z7doStuffi,"ax",@progbits .globl _Z7doStuffi # -- Begin function _Z7doStuffi .p2align 4, 0x90 .type _Z7doStuffi,@function _Z7doStuffi: # @_Z7doStuffi .Lfunc_begin0: .file 0 "/subprogramRanges" "main.cpp" md5 0x45fd34ef778739dca24be206894f1d15 .loc 0 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, -4(%rbp) .Ltmp0: .loc 0 2 7 prologue_end # main.cpp:2:7 cmpl $0, -4(%rbp) .Ltmp1: .loc 0 2 7 is_stmt 0 # main.cpp:2:7 je _Z7doStuffi.__part.2 jmp _Z7doStuffi.__part.1 .LBB_END0_0: .cfi_endproc .section .text._Z7doStuffi,"ax",@progbits,unique,1 _Z7doStuffi.__part.1: # %if.then .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 0 3 5 is_stmt 1 # main.cpp:3:5 movl -4(%rbp), %eax addl $1, %eax movl %eax, -4(%rbp) jmp _Z7doStuffi.__part.2 .LBB_END0_1: .size _Z7doStuffi.__part.1, .LBB_END0_1-_Z7doStuffi.__part.1 .cfi_endproc .section .text._Z7doStuffi,"ax",@progbits,unique,2 _Z7doStuffi.__part.2: # %if.end .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 0 4 10 # main.cpp:4:10 movl -4(%rbp), %eax .loc 0 4 3 epilogue_begin is_stmt 0 # main.cpp:4:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .LBB_END0_2: .size _Z7doStuffi.__part.2, .LBB_END0_2-_Z7doStuffi.__part.2 .cfi_endproc .section .text._Z7doStuffi,"ax",@progbits .Lfunc_end0: .size _Z7doStuffi, .Lfunc_end0-_Z7doStuffi # -- End function .section .text.main,"ax",@progbits .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin1: .loc 0 7 0 is_stmt 1 # main.cpp:7:0 .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 $16, %rsp movl $0, -4(%rbp) movl %edi, -8(%rbp) movq %rsi, -16(%rbp) .Ltmp2: .loc 0 8 21 prologue_end # main.cpp:8:21 movl -8(%rbp), %edi .loc 0 8 13 is_stmt 0 # main.cpp:8:13 callq _Z7doStuffi .loc 0 8 5 epilogue_begin # main.cpp:8:5 addq $16, %rsp popq %rbp .cfi_def_cfa %rsp, 8 retq .LBB_END1_0: .cfi_endproc .Lfunc_end1: .size main, .Lfunc_end1-main # -- 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 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 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 85 # DW_AT_ranges .byte 35 # DW_FORM_rnglistx .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 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 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 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 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 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 5 # 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 6 # 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 7 # Abbreviation Code .byte 38 # DW_TAG_const_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 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:0x75 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 1 # DW_AT_ranges .long .Laddr_table_base0 # DW_AT_addr_base .long .Lrnglists_table_base0 # DW_AT_rnglists_base .byte 2 # Abbrev [2] 0x2b:0x18 DW_TAG_subprogram .byte 0 # DW_AT_ranges .byte 1 # DW_AT_frame_base .byte 86 .byte 3 # DW_AT_linkage_name .byte 4 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 105 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x37:0xb DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .byte 7 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 105 # DW_AT_type .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x43:0x26 DW_TAG_subprogram .byte 3 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .byte 6 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 7 # DW_AT_decl_line .long 105 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x52:0xb DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 120 .byte 8 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 7 # DW_AT_decl_line .long 105 # DW_AT_type .byte 3 # Abbrev [3] 0x5d:0xb DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 112 .byte 9 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 7 # DW_AT_decl_line .long 109 # DW_AT_type .byte 0 # End Of Children Mark .byte 5 # Abbrev [5] 0x69:0x4 DW_TAG_base_type .byte 5 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 6 # Abbrev [6] 0x6d:0x5 DW_TAG_pointer_type .long 114 # DW_AT_type .byte 6 # Abbrev [6] 0x72:0x5 DW_TAG_pointer_type .long 119 # DW_AT_type .byte 7 # Abbrev [7] 0x77:0x5 DW_TAG_const_type .long 124 # DW_AT_type .byte 5 # Abbrev [5] 0x7c:0x4 DW_TAG_base_type .byte 10 # 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_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 2 # Offset entry count .Lrnglists_table_base0: .long .Ldebug_ranges0-.Lrnglists_table_base0 .long .Ldebug_ranges1-.Lrnglists_table_base0 .Ldebug_ranges0: .byte 3 # DW_RLE_startx_length .byte 0 # start index .uleb128 .LBB_END0_1-_Z7doStuffi.__part.1 # length .byte 3 # DW_RLE_startx_length .byte 1 # start index .uleb128 .LBB_END0_2-_Z7doStuffi.__part.2 # length .byte 3 # DW_RLE_startx_length .byte 2 # start index .uleb128 .Lfunc_end0-.Lfunc_begin0 # length .byte 0 # DW_RLE_end_of_list .Ldebug_ranges1: .byte 3 # DW_RLE_startx_length .byte 0 # start index .uleb128 .LBB_END0_1-_Z7doStuffi.__part.1 # length .byte 3 # DW_RLE_startx_length .byte 1 # start index .uleb128 .LBB_END0_2-_Z7doStuffi.__part.2 # length .byte 3 # DW_RLE_startx_length .byte 2 # start index .uleb128 .Lfunc_end0-.Lfunc_begin0 # length .byte 3 # DW_RLE_startx_length .byte 3 # start index .uleb128 .Lfunc_end1-.Lfunc_begin1 # 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 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=105 .Linfo_string2: .asciz "/subprogramRanges" # string offset=114 .Linfo_string3: .asciz "_Z7doStuffi" # string offset=169 .Linfo_string4: .asciz "doStuff" # string offset=181 .Linfo_string5: .asciz "int" # string offset=189 .Linfo_string6: .asciz "main" # string offset=193 .Linfo_string7: .asciz "val" # string offset=198 .Linfo_string8: .asciz "argc" # string offset=202 .Linfo_string9: .asciz "argv" # string offset=207 .Linfo_string10: .asciz "char" # string offset=212 .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 _Z7doStuffi.__part.1 .quad _Z7doStuffi.__part.2 .quad .Lfunc_begin0 .quad .Lfunc_begin1 .Ldebug_addr_end0: .ident "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" .section ".note.GNU-stack","",@progbits .addrsig .addrsig_sym _Z7doStuffi .section .debug_line,"",@progbits .Lline_table_start0: