.ifdef GEN #--- a.cc struct t1 {}; extern "C" void _start(t1) {} #--- gen clang --target=x86_64-linux -S -g -gpubnames a.cc -o - .endif .text .file "a.cc" .globl _start # -- Begin function _start .p2align 4, 0x90 .type _start,@function _start: # @_start .Lfunc_begin0: .file 0 "/proc/self/cwd" "a.cc" md5 0x6835f89a7d36054002b51e54e47d852e .loc 0 2 0 # a.cc: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 2 29 prologue_end epilogue_begin # a.cc:2:29 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp1: .Lfunc_end0: .size _start, .Lfunc_end0-_start .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 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 27 # DW_FORM_addrx .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 115 # DW_AT_addr_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 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 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 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 19 # DW_TAG_structure_type .byte 0 # DW_CHILDREN_no .byte 54 # DW_AT_calling_convention .byte 11 # DW_FORM_data1 .byte 3 # DW_AT_name .byte 37 # DW_FORM_strx1 .byte 11 # DW_AT_byte_size .byte 11 # DW_FORM_data1 .byte 58 # DW_AT_decl_file .byte 11 # DW_FORM_data1 .byte 59 # DW_AT_decl_line .byte 11 # DW_FORM_data1 .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:0x34 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 .byte 0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .long .Laddr_table_base0 # DW_AT_addr_base .byte 2 # Abbrev [2] 0x23:0x16 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 3 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 2 # DW_AT_decl_line # DW_AT_external .byte 3 # Abbrev [3] 0x2e:0xa DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 127 .byte 0 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .long 57 # DW_AT_type .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x39:0x6 DW_TAG_structure_type .byte 5 # DW_AT_calling_convention .byte 4 # DW_AT_name .byte 1 # DW_AT_byte_size .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_str_offsets,"",@progbits .long 24 # Length of String Offsets Set .short 5 .short 0 .Lstr_offsets_base0: .section .debug_str,"MS",@progbits,1 .Linfo_string0: .byte 0 # string offset=0 .Linfo_string1: .asciz "a.cc" # string offset=1 .Linfo_string2: .asciz "/proc/self/cwd" # string offset=6 .Linfo_string3: .asciz "_start" # string offset=21 .Linfo_string4: .asciz "t1" # string offset=28 .section .debug_str_offsets,"",@progbits .long .Linfo_string0 .long .Linfo_string1 .long .Linfo_string2 .long .Linfo_string3 .long .Linfo_string4 .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 .Lfunc_begin0 .Ldebug_addr_end0: .section .debug_names,"",@progbits .long .Lnames_end0-.Lnames_start0 # Header: unit length .Lnames_start0: .short 5 # Header: version .short 0 # Header: padding .long 1 # Header: compilation unit count .long 0 # Header: local type unit count .long 0 # Header: foreign type unit count .long 2 # Header: bucket count .long 2 # Header: name count .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size .long 8 # Header: augmentation string size .ascii "LLVM0700" # Header: augmentation string .long .Lcu_begin0 # Compilation unit 0 .long 1 # Bucket 0 .long 0 # Bucket 1 .long 5863786 # Hash in Bucket 0 .long -304389582 # Hash in Bucket 0 .long .Linfo_string4 # String in Bucket 0: t1 .long .Linfo_string3 # String in Bucket 0: _start .long .Lnames1-.Lnames_entries0 # Offset in Bucket 0 .long .Lnames0-.Lnames_entries0 # Offset in Bucket 0 .Lnames_abbrev_start0: .byte 1 # Abbrev code .byte 19 # DW_TAG_structure_type .byte 3 # DW_IDX_die_offset .byte 19 # DW_FORM_ref4 .byte 4 # DW_IDX_parent .byte 25 # DW_FORM_flag_present .byte 0 # End of abbrev .byte 0 # End of abbrev .byte 2 # Abbrev code .byte 46 # DW_TAG_subprogram .byte 3 # DW_IDX_die_offset .byte 19 # DW_FORM_ref4 .byte 4 # DW_IDX_parent .byte 25 # DW_FORM_flag_present .byte 0 # End of abbrev .byte 0 # End of abbrev .byte 0 # End of abbrev list .Lnames_abbrev_end0: .Lnames_entries0: .Lnames1: .L1: .byte 1 # Abbreviation code .long 57 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: t1 .Lnames0: .L0: .byte 2 # Abbreviation code .long 35 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: _start .p2align 2, 0x0 .Lnames_end0: .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: