Contents of the .debug_info section:
Compilation Unit @ offset 0x0:
Length: 0x183 (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: 0xc2): 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: 0xe): mpers-m32/struct_blkpg_ioctl_arg.c
<15> DW_AT_comp_dir : (indirect string, offset: 0x147): /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: 0x1ac): 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: 0x199): 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: 0x18b): 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: 0x84): 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: 0x31): 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: 0x121): 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: 0x6d): 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: 0x1a3): 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: 0x92): 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: 0x182): sizetype
<1><6a>: Abbrev Number: 4 (DW_TAG_pointer_type)
<6b> DW_AT_byte_size : 4
<1><6c>: Abbrev Number: 2 (DW_TAG_base_type)
<6d> DW_AT_byte_size : 1
<6e> DW_AT_encoding : 6 (signed char)
<6f> DW_AT_name : (indirect string, offset: 0x142): char
<1><73>: Abbrev Number: 5 (DW_TAG_pointer_type)
<74> DW_AT_byte_size : 4
<75> DW_AT_type : <0x79>
<1><79>: Abbrev Number: 6 (DW_TAG_const_type)
<7a> DW_AT_type : <0x6c>
<1><7e>: Abbrev Number: 7 (DW_TAG_structure_type)
<7f> DW_AT_name : (indirect string, offset: 0xa4): sysent
<83> DW_AT_byte_size : 20
<84> DW_AT_decl_file : 1
<85> DW_AT_decl_line : 4
<86> DW_AT_sibling : <0xd1>
<2><8a>: Abbrev Number: 8 (DW_TAG_member)
<8b> DW_AT_name : (indirect string, offset: 0xbc): nargs
<8f> DW_AT_decl_file : 1
<90> DW_AT_decl_line : 5
<91> DW_AT_type : <0x47>
<95> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><98>: Abbrev Number: 8 (DW_TAG_member)
<99> DW_AT_name : (indirect string, offset: 0x63): sys_flags
<9d> DW_AT_decl_file : 1
<9e> DW_AT_decl_line : 6
<9f> DW_AT_type : <0x2b>
<a3> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><a6>: Abbrev Number: 9 (DW_TAG_member)
<a7> DW_AT_name : sen
<ab> DW_AT_decl_file : 1
<ac> DW_AT_decl_line : 7
<ad> DW_AT_type : <0x2b>
<b1> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><b4>: Abbrev Number: 8 (DW_TAG_member)
<b5> DW_AT_name : (indirect string, offset: 0x1b8): sys_func
<b9> DW_AT_decl_file : 1
<ba> DW_AT_decl_line : 8
<bb> DW_AT_type : <0xdc>
<bf> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><c2>: Abbrev Number: 8 (DW_TAG_member)
<c3> DW_AT_name : (indirect string, offset: 0x49): sys_name
<c7> DW_AT_decl_file : 1
<c8> DW_AT_decl_line : 9
<c9> DW_AT_type : <0x73>
<cd> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><d0>: Abbrev Number: 0
<1><d1>: Abbrev Number: 10 (DW_TAG_subroutine_type)
<d2> DW_AT_type : <0x2b>
<d6> DW_AT_sibling : <0xdc>
<2><da>: Abbrev Number: 11 (DW_TAG_unspecified_parameters)
<2><db>: Abbrev Number: 0
<1><dc>: Abbrev Number: 5 (DW_TAG_pointer_type)
<dd> DW_AT_byte_size : 4
<de> DW_AT_type : <0xd1>
<1><e2>: Abbrev Number: 12 (DW_TAG_typedef)
<e3> DW_AT_name : (indirect string, offset: 0x134): struct_sysent
<e7> DW_AT_decl_file : 1
<e8> DW_AT_decl_line : 10
<e9> DW_AT_type : <0x7e>
<1><ed>: Abbrev Number: 5 (DW_TAG_pointer_type)
<ee> DW_AT_byte_size : 4
<ef> DW_AT_type : <0xf3>
<1><f3>: Abbrev Number: 6 (DW_TAG_const_type)
<f4> DW_AT_type : <0xe2>
<1><f8>: Abbrev Number: 2 (DW_TAG_base_type)
<f9> DW_AT_byte_size : 1
<fa> DW_AT_encoding : 2 (boolean)
<fb> DW_AT_name : (indirect string, offset: 0x0): _Bool
<1><ff>: Abbrev Number: 13 (DW_TAG_structure_type)
<100> DW_AT_byte_size : 16
<101> DW_AT_decl_file : 2
<102> DW_AT_decl_line : 35
<103> DW_AT_sibling : <0x13f>
<2><107>: Abbrev Number: 9 (DW_TAG_member)
<108> DW_AT_name : op
<10b> DW_AT_decl_file : 2
<10c> DW_AT_decl_line : 36
<10d> DW_AT_type : <0x2b>
<111> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><114>: Abbrev Number: 8 (DW_TAG_member)
<115> DW_AT_name : (indirect string, offset: 0x12e): flags
<119> DW_AT_decl_file : 2
<11a> DW_AT_decl_line : 37
<11b> DW_AT_type : <0x2b>
<11f> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><122>: Abbrev Number: 8 (DW_TAG_member)
<123> DW_AT_name : (indirect string, offset: 0x6): datalen
<127> DW_AT_decl_file : 2
<128> DW_AT_decl_line : 38
<129> DW_AT_type : <0x2b>
<12d> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><130>: Abbrev Number: 8 (DW_TAG_member)
<131> DW_AT_name : (indirect string, offset: 0x44): data
<135> DW_AT_decl_file : 2
<136> DW_AT_decl_line : 39
<137> DW_AT_type : <0x6a>
<13b> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><13e>: Abbrev Number: 0
<1><13f>: Abbrev Number: 12 (DW_TAG_typedef)
<140> DW_AT_name : (indirect string, offset: 0x10a): struct_blkpg_ioctl_arg
<144> DW_AT_decl_file : 2
<145> DW_AT_decl_line : 40
<146> DW_AT_type : <0xff>
<1><14a>: Abbrev Number: 14 (DW_TAG_variable)
<14b> DW_AT_name : (indirect string, offset: 0xab): current_wordsize
<14f> DW_AT_decl_file : 3
<150> DW_AT_decl_line : 757
<152> DW_AT_type : <0x47>
<156> DW_AT_external : 1
<157> DW_AT_declaration : 1
<1><158>: Abbrev Number: 14 (DW_TAG_variable)
<159> DW_AT_name : (indirect string, offset: 0xa4): sysent
<15d> DW_AT_decl_file : 3
<15e> DW_AT_decl_line : 892
<160> DW_AT_type : <0xed>
<164> DW_AT_external : 1
<165> DW_AT_declaration : 1
<1><166>: Abbrev Number: 14 (DW_TAG_variable)
<167> DW_AT_name : (indirect string, offset: 0x178): nsyscalls
<16b> DW_AT_decl_file : 3
<16c> DW_AT_decl_line : 903
<16e> DW_AT_type : <0x47>
<172> DW_AT_external : 1
<173> DW_AT_declaration : 1
<1><174>: Abbrev Number: 15 (DW_TAG_variable)
<175> DW_AT_name : (indirect string, offset: 0x52): mpers_target_var
<179> DW_AT_decl_file : 2
<17a> DW_AT_decl_line : 64
<17b> DW_AT_type : <0x13f>
<17f> DW_AT_external : 1
<180> DW_AT_location : 5 byte block: 3 4 0 0 0 (DW_OP_addr: 4)
<1><186>: Abbrev Number: 0