Contents of the .debug_info section:
Compilation Unit @ offset 0x0:
Length: 0x185 (32-bit)
Version: 2
Abbrev Offset: 0x0
Pointer Size: 4
<0><b>: Abbrev Number: 1 (DW_TAG_compile_unit)
<c> DW_AT_producer : (indirect string, offset: 0xb4): GNU C 4.8.4 -m32 -mtune=generic -march=i686 -gdwarf-2 -fstack-protector
<10> DW_AT_language : 1 (ANSI C)
<11> DW_AT_name : (indirect string, offset: 0x5b): mpers-m32/msgbuf_t.c
<15> DW_AT_comp_dir : (indirect string, offset: 0x11c): /usr/local/google/home/enh/Downloads/strace-4.16
<19> DW_AT_stmt_list : 0x0
<1><1d>: Abbrev Number: 2 (DW_TAG_base_type)
<1e> DW_AT_byte_size : 1
<1f> DW_AT_encoding : 6 (signed char)
<20> DW_AT_name : (indirect string, offset: 0x18a): signed char
<1><24>: Abbrev Number: 2 (DW_TAG_base_type)
<25> DW_AT_byte_size : 2
<26> DW_AT_encoding : 5 (signed)
<27> DW_AT_name : (indirect string, offset: 0x177): short int
<1><2b>: Abbrev Number: 3 (DW_TAG_base_type)
<2c> DW_AT_byte_size : 4
<2d> DW_AT_encoding : 5 (signed)
<2e> DW_AT_name : int
<1><32>: Abbrev Number: 2 (DW_TAG_base_type)
<33> DW_AT_byte_size : 8
<34> DW_AT_encoding : 5 (signed)
<35> DW_AT_name : (indirect string, offset: 0x160): long long int
<1><39>: Abbrev Number: 2 (DW_TAG_base_type)
<3a> DW_AT_byte_size : 1
<3b> DW_AT_encoding : 8 (unsigned char)
<3c> DW_AT_name : (indirect string, offset: 0x70): unsigned char
<1><40>: Abbrev Number: 2 (DW_TAG_base_type)
<41> DW_AT_byte_size : 2
<42> DW_AT_encoding : 7 (unsigned)
<43> DW_AT_name : (indirect string, offset: 0xd): short unsigned int
<1><47>: Abbrev Number: 2 (DW_TAG_base_type)
<48> DW_AT_byte_size : 4
<49> DW_AT_encoding : 7 (unsigned)
<4a> DW_AT_name : (indirect string, offset: 0xfc): unsigned int
<1><4e>: Abbrev Number: 2 (DW_TAG_base_type)
<4f> DW_AT_byte_size : 8
<50> DW_AT_encoding : 7 (unsigned)
<51> DW_AT_name : (indirect string, offset: 0x44): long long unsigned int
<1><55>: Abbrev Number: 2 (DW_TAG_base_type)
<56> DW_AT_byte_size : 4
<57> DW_AT_encoding : 5 (signed)
<58> DW_AT_name : (indirect string, offset: 0x181): long int
<1><5c>: Abbrev Number: 2 (DW_TAG_base_type)
<5d> DW_AT_byte_size : 4
<5e> DW_AT_encoding : 7 (unsigned)
<5f> DW_AT_name : (indirect string, offset: 0x84): long unsigned int
<1><63>: Abbrev Number: 2 (DW_TAG_base_type)
<64> DW_AT_byte_size : 4
<65> DW_AT_encoding : 7 (unsigned)
<66> DW_AT_name : (indirect string, offset: 0x157): sizetype
<1><6a>: Abbrev Number: 4 (DW_TAG_typedef)
<6b> DW_AT_name : (indirect string, offset: 0x1a5): __syscall_slong_t
<6f> DW_AT_decl_file : 2
<70> DW_AT_decl_line : 175
<71> DW_AT_type : <0x55>
<1><75>: Abbrev Number: 2 (DW_TAG_base_type)
<76> DW_AT_byte_size : 1
<77> DW_AT_encoding : 6 (signed char)
<78> DW_AT_name : (indirect string, offset: 0x117): char
<1><7c>: Abbrev Number: 5 (DW_TAG_pointer_type)
<7d> DW_AT_byte_size : 4
<7e> DW_AT_type : <0x82>
<1><82>: Abbrev Number: 6 (DW_TAG_const_type)
<83> DW_AT_type : <0x75>
<1><87>: Abbrev Number: 7 (DW_TAG_array_type)
<88> DW_AT_type : <0x75>
<8c> DW_AT_sibling : <0x97>
<2><90>: Abbrev Number: 8 (DW_TAG_subrange_type)
<91> DW_AT_type : <0x63>
<95> DW_AT_upper_bound : 0
<2><96>: Abbrev Number: 0
<1><97>: Abbrev Number: 9 (DW_TAG_structure_type)
<98> DW_AT_name : (indirect string, offset: 0x96): sysent
<9c> DW_AT_byte_size : 20
<9d> DW_AT_decl_file : 1
<9e> DW_AT_decl_line : 4
<9f> DW_AT_sibling : <0xea>
<2><a3>: Abbrev Number: 10 (DW_TAG_member)
<a4> DW_AT_name : (indirect string, offset: 0xae): nargs
<a8> DW_AT_decl_file : 1
<a9> DW_AT_decl_line : 5
<aa> DW_AT_type : <0x47>
<ae> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><b1>: Abbrev Number: 10 (DW_TAG_member)
<b2> DW_AT_name : (indirect string, offset: 0x3a): sys_flags
<b6> DW_AT_decl_file : 1
<b7> DW_AT_decl_line : 6
<b8> DW_AT_type : <0x2b>
<bc> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><bf>: Abbrev Number: 11 (DW_TAG_member)
<c0> DW_AT_name : sen
<c4> DW_AT_decl_file : 1
<c5> DW_AT_decl_line : 7
<c6> DW_AT_type : <0x2b>
<ca> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><cd>: Abbrev Number: 10 (DW_TAG_member)
<ce> DW_AT_name : (indirect string, offset: 0x19c): sys_func
<d2> DW_AT_decl_file : 1
<d3> DW_AT_decl_line : 8
<d4> DW_AT_type : <0xf5>
<d8> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><db>: Abbrev Number: 10 (DW_TAG_member)
<dc> DW_AT_name : (indirect string, offset: 0x20): sys_name
<e0> DW_AT_decl_file : 1
<e1> DW_AT_decl_line : 9
<e2> DW_AT_type : <0x7c>
<e6> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><e9>: Abbrev Number: 0
<1><ea>: Abbrev Number: 12 (DW_TAG_subroutine_type)
<eb> DW_AT_type : <0x2b>
<ef> DW_AT_sibling : <0xf5>
<2><f3>: Abbrev Number: 13 (DW_TAG_unspecified_parameters)
<2><f4>: Abbrev Number: 0
<1><f5>: Abbrev Number: 5 (DW_TAG_pointer_type)
<f6> DW_AT_byte_size : 4
<f7> DW_AT_type : <0xea>
<1><fb>: Abbrev Number: 4 (DW_TAG_typedef)
<fc> DW_AT_name : (indirect string, offset: 0x109): struct_sysent
<100> DW_AT_decl_file : 1
<101> DW_AT_decl_line : 10
<102> DW_AT_type : <0x97>
<1><106>: Abbrev Number: 5 (DW_TAG_pointer_type)
<107> DW_AT_byte_size : 4
<108> DW_AT_type : <0x10c>
<1><10c>: Abbrev Number: 6 (DW_TAG_const_type)
<10d> DW_AT_type : <0xfb>
<1><111>: Abbrev Number: 2 (DW_TAG_base_type)
<112> DW_AT_byte_size : 1
<113> DW_AT_encoding : 2 (boolean)
<114> DW_AT_name : (indirect string, offset: 0x7): _Bool
<1><118>: Abbrev Number: 9 (DW_TAG_structure_type)
<119> DW_AT_name : (indirect string, offset: 0x0): msgbuf
<11d> DW_AT_byte_size : 8
<11e> DW_AT_decl_file : 3
<11f> DW_AT_decl_line : 51
<120> DW_AT_sibling : <0x141>
<2><124>: Abbrev Number: 10 (DW_TAG_member)
<125> DW_AT_name : (indirect string, offset: 0x196): mtype
<129> DW_AT_decl_file : 3
<12a> DW_AT_decl_line : 53
<12b> DW_AT_type : <0x6a>
<12f> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><132>: Abbrev Number: 10 (DW_TAG_member)
<133> DW_AT_name : (indirect string, offset: 0x7e): mtext
<137> DW_AT_decl_file : 3
<138> DW_AT_decl_line : 54
<139> DW_AT_type : <0x87>
<13d> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><140>: Abbrev Number: 0
<1><141>: Abbrev Number: 4 (DW_TAG_typedef)
<142> DW_AT_name : (indirect string, offset: 0x16e): msgbuf_t
<146> DW_AT_decl_file : 4
<147> DW_AT_decl_line : 37
<148> DW_AT_type : <0x118>
<1><14c>: Abbrev Number: 14 (DW_TAG_variable)
<14d> DW_AT_name : (indirect string, offset: 0x9d): current_wordsize
<151> DW_AT_decl_file : 5
<152> DW_AT_decl_line : 757
<154> DW_AT_type : <0x47>
<158> DW_AT_external : 1
<159> DW_AT_declaration : 1
<1><15a>: Abbrev Number: 14 (DW_TAG_variable)
<15b> DW_AT_name : (indirect string, offset: 0x96): sysent
<15f> DW_AT_decl_file : 5
<160> DW_AT_decl_line : 892
<162> DW_AT_type : <0x106>
<166> DW_AT_external : 1
<167> DW_AT_declaration : 1
<1><168>: Abbrev Number: 14 (DW_TAG_variable)
<169> DW_AT_name : (indirect string, offset: 0x14d): nsyscalls
<16d> DW_AT_decl_file : 5
<16e> DW_AT_decl_line : 903
<170> DW_AT_type : <0x47>
<174> DW_AT_external : 1
<175> DW_AT_declaration : 1
<1><176>: Abbrev Number: 15 (DW_TAG_variable)
<177> DW_AT_name : (indirect string, offset: 0x29): mpers_target_var
<17b> DW_AT_decl_file : 4
<17c> DW_AT_decl_line : 38
<17d> DW_AT_type : <0x141>
<181> DW_AT_external : 1
<182> DW_AT_location : 5 byte block: 3 4 0 0 0 (DW_OP_addr: 4)
<1><188>: Abbrev Number: 0