Contents of the .debug_info section:
Compilation Unit @ offset 0x0:
Length: 0x190 (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: 0xd): GNU C 4.8.4 -mx32 -mtune=generic -march=x86-64 -gdwarf-2 -fstack-protector
<10> DW_AT_language : 1 (ANSI C)
<11> DW_AT_name : (indirect string, offset: 0x181): mpers-mx32/msgbuf_t.c
<15> DW_AT_comp_dir : (indirect string, offset: 0x113): /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: 0x197): 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: 0x16e): 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: 0x157): 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: 0x95): 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: 0x58): 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: 0xf3): 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: 0x7e): 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: 0x178): 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: 0xa9): long unsigned int
<1><63>: Abbrev Number: 4 (DW_TAG_typedef)
<64> DW_AT_name : (indirect string, offset: 0xea): __quad_t
<68> DW_AT_decl_file : 1
<69> DW_AT_decl_line : 55
<6a> DW_AT_type : <0x32>
<1><6e>: Abbrev Number: 2 (DW_TAG_base_type)
<6f> DW_AT_byte_size : 4
<70> DW_AT_encoding : 7 (unsigned)
<71> DW_AT_name : (indirect string, offset: 0x14e): sizetype
<1><75>: Abbrev Number: 4 (DW_TAG_typedef)
<76> DW_AT_name : (indirect string, offset: 0x1b2): __syscall_slong_t
<7a> DW_AT_decl_file : 1
<7b> DW_AT_decl_line : 175
<7c> DW_AT_type : <0x63>
<1><80>: Abbrev Number: 2 (DW_TAG_base_type)
<81> DW_AT_byte_size : 1
<82> DW_AT_encoding : 6 (signed char)
<83> DW_AT_name : (indirect string, offset: 0x10e): char
<1><87>: Abbrev Number: 5 (DW_TAG_pointer_type)
<88> DW_AT_byte_size : 4
<89> DW_AT_type : <0x8d>
<1><8d>: Abbrev Number: 6 (DW_TAG_const_type)
<8e> DW_AT_type : <0x80>
<1><92>: Abbrev Number: 7 (DW_TAG_array_type)
<93> DW_AT_type : <0x80>
<97> DW_AT_sibling : <0xa2>
<2><9b>: Abbrev Number: 8 (DW_TAG_subrange_type)
<9c> DW_AT_type : <0x6e>
<a0> DW_AT_upper_bound : 0
<2><a1>: Abbrev Number: 0
<1><a2>: Abbrev Number: 9 (DW_TAG_structure_type)
<a3> DW_AT_name : (indirect string, offset: 0xbb): sysent
<a7> DW_AT_byte_size : 20
<a8> DW_AT_decl_file : 2
<a9> DW_AT_decl_line : 4
<aa> DW_AT_sibling : <0xf5>
<2><ae>: Abbrev Number: 10 (DW_TAG_member)
<af> DW_AT_name : (indirect string, offset: 0xd3): nargs
<b3> DW_AT_decl_file : 2
<b4> DW_AT_decl_line : 5
<b5> DW_AT_type : <0x47>
<b9> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><bc>: Abbrev Number: 10 (DW_TAG_member)
<bd> DW_AT_name : (indirect string, offset: 0x74): sys_flags
<c1> DW_AT_decl_file : 2
<c2> DW_AT_decl_line : 6
<c3> DW_AT_type : <0x2b>
<c7> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><ca>: Abbrev Number: 11 (DW_TAG_member)
<cb> DW_AT_name : sen
<cf> DW_AT_decl_file : 2
<d0> DW_AT_decl_line : 7
<d1> DW_AT_type : <0x2b>
<d5> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><d8>: Abbrev Number: 10 (DW_TAG_member)
<d9> DW_AT_name : (indirect string, offset: 0x1a9): sys_func
<dd> DW_AT_decl_file : 2
<de> DW_AT_decl_line : 8
<df> DW_AT_type : <0x100>
<e3> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><e6>: Abbrev Number: 10 (DW_TAG_member)
<e7> DW_AT_name : (indirect string, offset: 0x6b): sys_name
<eb> DW_AT_decl_file : 2
<ec> DW_AT_decl_line : 9
<ed> DW_AT_type : <0x87>
<f1> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><f4>: Abbrev Number: 0
<1><f5>: Abbrev Number: 12 (DW_TAG_subroutine_type)
<f6> DW_AT_type : <0x2b>
<fa> DW_AT_sibling : <0x100>
<2><fe>: Abbrev Number: 13 (DW_TAG_unspecified_parameters)
<2><ff>: Abbrev Number: 0
<1><100>: Abbrev Number: 5 (DW_TAG_pointer_type)
<101> DW_AT_byte_size : 4
<102> DW_AT_type : <0xf5>
<1><106>: Abbrev Number: 4 (DW_TAG_typedef)
<107> DW_AT_name : (indirect string, offset: 0x100): struct_sysent
<10b> DW_AT_decl_file : 2
<10c> DW_AT_decl_line : 10
<10d> DW_AT_type : <0xa2>
<1><111>: Abbrev Number: 5 (DW_TAG_pointer_type)
<112> DW_AT_byte_size : 4
<113> DW_AT_type : <0x117>
<1><117>: Abbrev Number: 6 (DW_TAG_const_type)
<118> DW_AT_type : <0x106>
<1><11c>: Abbrev Number: 2 (DW_TAG_base_type)
<11d> DW_AT_byte_size : 1
<11e> DW_AT_encoding : 2 (boolean)
<11f> DW_AT_name : (indirect string, offset: 0x7): _Bool
<1><123>: Abbrev Number: 9 (DW_TAG_structure_type)
<124> DW_AT_name : (indirect string, offset: 0x0): msgbuf
<128> DW_AT_byte_size : 16
<129> DW_AT_decl_file : 3
<12a> DW_AT_decl_line : 51
<12b> DW_AT_sibling : <0x14c>
<2><12f>: Abbrev Number: 10 (DW_TAG_member)
<130> DW_AT_name : (indirect string, offset: 0x1a3): mtype
<134> DW_AT_decl_file : 3
<135> DW_AT_decl_line : 53
<136> DW_AT_type : <0x75>
<13a> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><13d>: Abbrev Number: 10 (DW_TAG_member)
<13e> DW_AT_name : (indirect string, offset: 0xa3): mtext
<142> DW_AT_decl_file : 3
<143> DW_AT_decl_line : 54
<144> DW_AT_type : <0x92>
<148> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><14b>: Abbrev Number: 0
<1><14c>: Abbrev Number: 4 (DW_TAG_typedef)
<14d> DW_AT_name : (indirect string, offset: 0x165): msgbuf_t
<151> DW_AT_decl_file : 4
<152> DW_AT_decl_line : 37
<153> DW_AT_type : <0x123>
<1><157>: Abbrev Number: 14 (DW_TAG_variable)
<158> DW_AT_name : (indirect string, offset: 0xc2): current_wordsize
<15c> DW_AT_decl_file : 5
<15d> DW_AT_decl_line : 757
<15f> DW_AT_type : <0x47>
<163> DW_AT_external : 1
<164> DW_AT_declaration : 1
<1><165>: Abbrev Number: 14 (DW_TAG_variable)
<166> DW_AT_name : (indirect string, offset: 0xbb): sysent
<16a> DW_AT_decl_file : 5
<16b> DW_AT_decl_line : 892
<16d> DW_AT_type : <0x111>
<171> DW_AT_external : 1
<172> DW_AT_declaration : 1
<1><173>: Abbrev Number: 14 (DW_TAG_variable)
<174> DW_AT_name : (indirect string, offset: 0x144): nsyscalls
<178> DW_AT_decl_file : 5
<179> DW_AT_decl_line : 903
<17b> DW_AT_type : <0x47>
<17f> DW_AT_external : 1
<180> DW_AT_declaration : 1
<1><181>: Abbrev Number: 15 (DW_TAG_variable)
<182> DW_AT_name : (indirect string, offset: 0xd9): mpers_target_var
<186> DW_AT_decl_file : 4
<187> DW_AT_decl_line : 38
<188> DW_AT_type : <0x14c>
<18c> DW_AT_external : 1
<18d> DW_AT_location : 5 byte block: 3 10 0 0 0 (DW_OP_addr: 10)
<1><193>: Abbrev Number: 0