Contents of the .debug_info section:
Compilation Unit @ offset 0x0:
Length: 0x277 (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: 0x69): 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: 0x43): mpers-mx32/struct_v4l2_ext_controls.c
<15> DW_AT_comp_dir : (indirect string, offset: 0x205): /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: 0x275): 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: 0x1a9): 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: 0x249): 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: 0x12c): 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: 0xb4): 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: 0x1ce): 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: 0xfb): 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: 0x261): 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: 0x13a): 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: 0x240): sizetype
<1><6a>: Abbrev Number: 4 (DW_TAG_pointer_type)
<6b> DW_AT_byte_size : 4
<6c> DW_AT_type : <0x70>
<1><70>: Abbrev Number: 2 (DW_TAG_base_type)
<71> DW_AT_byte_size : 1
<72> DW_AT_encoding : 6 (signed char)
<73> DW_AT_name : (indirect string, offset: 0x200): char
<1><77>: Abbrev Number: 4 (DW_TAG_pointer_type)
<78> DW_AT_byte_size : 4
<79> DW_AT_type : <0x7d>
<1><7d>: Abbrev Number: 5 (DW_TAG_const_type)
<7e> DW_AT_type : <0x70>
<1><82>: Abbrev Number: 6 (DW_TAG_structure_type)
<83> DW_AT_name : (indirect string, offset: 0x14c): sysent
<87> DW_AT_byte_size : 20
<88> DW_AT_decl_file : 1
<89> DW_AT_decl_line : 4
<8a> DW_AT_sibling : <0xd5>
<2><8e>: Abbrev Number: 7 (DW_TAG_member)
<8f> DW_AT_name : (indirect string, offset: 0x1a3): nargs
<93> DW_AT_decl_file : 1
<94> DW_AT_decl_line : 5
<95> DW_AT_type : <0x47>
<99> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><9c>: Abbrev Number: 7 (DW_TAG_member)
<9d> DW_AT_name : (indirect string, offset: 0xf1): sys_flags
<a1> DW_AT_decl_file : 1
<a2> DW_AT_decl_line : 6
<a3> DW_AT_type : <0x2b>
<a7> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><aa>: Abbrev Number: 8 (DW_TAG_member)
<ab> DW_AT_name : sen
<af> DW_AT_decl_file : 1
<b0> DW_AT_decl_line : 7
<b1> DW_AT_type : <0x2b>
<b5> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><b8>: Abbrev Number: 7 (DW_TAG_member)
<b9> DW_AT_name : (indirect string, offset: 0x286): sys_func
<bd> DW_AT_decl_file : 1
<be> DW_AT_decl_line : 8
<bf> DW_AT_type : <0xe0>
<c3> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><c6>: Abbrev Number: 7 (DW_TAG_member)
<c7> DW_AT_name : (indirect string, offset: 0xd0): sys_name
<cb> DW_AT_decl_file : 1
<cc> DW_AT_decl_line : 9
<cd> DW_AT_type : <0x77>
<d1> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><d4>: Abbrev Number: 0
<1><d5>: Abbrev Number: 9 (DW_TAG_subroutine_type)
<d6> DW_AT_type : <0x2b>
<da> DW_AT_sibling : <0xe0>
<2><de>: Abbrev Number: 10 (DW_TAG_unspecified_parameters)
<2><df>: Abbrev Number: 0
<1><e0>: Abbrev Number: 4 (DW_TAG_pointer_type)
<e1> DW_AT_byte_size : 4
<e2> DW_AT_type : <0xd5>
<1><e6>: Abbrev Number: 11 (DW_TAG_typedef)
<e7> DW_AT_name : (indirect string, offset: 0x1f2): struct_sysent
<eb> DW_AT_decl_file : 1
<ec> DW_AT_decl_line : 10
<ed> DW_AT_type : <0x82>
<1><f1>: Abbrev Number: 4 (DW_TAG_pointer_type)
<f2> DW_AT_byte_size : 4
<f3> DW_AT_type : <0xf7>
<1><f7>: Abbrev Number: 5 (DW_TAG_const_type)
<f8> DW_AT_type : <0xe6>
<1><fc>: Abbrev Number: 2 (DW_TAG_base_type)
<fd> DW_AT_byte_size : 1
<fe> DW_AT_encoding : 2 (boolean)
<ff> DW_AT_name : (indirect string, offset: 0x1a): _Bool
<1><103>: Abbrev Number: 11 (DW_TAG_typedef)
<104> DW_AT_name : (indirect string, offset: 0x16c): __s32
<108> DW_AT_decl_file : 2
<109> DW_AT_decl_line : 25
<10a> DW_AT_type : <0x2b>
<1><10e>: Abbrev Number: 11 (DW_TAG_typedef)
<10f> DW_AT_name : (indirect string, offset: 0x20): __u32
<113> DW_AT_decl_file : 2
<114> DW_AT_decl_line : 26
<115> DW_AT_type : <0x47>
<1><119>: Abbrev Number: 11 (DW_TAG_typedef)
<11a> DW_AT_name : (indirect string, offset: 0x28f): __s64
<11e> DW_AT_decl_file : 2
<11f> DW_AT_decl_line : 29
<120> DW_AT_type : <0x32>
<1><124>: Abbrev Number: 12 (DW_TAG_enumeration_type)
<125> DW_AT_name : (indirect string, offset: 0x1b3): v4l2_preemphasis
<129> DW_AT_byte_size : 4
<12a> DW_AT_decl_file : 6
<12b> DW_AT_decl_line : 763
<12d> DW_AT_sibling : <0x144>
<2><131>: Abbrev Number: 13 (DW_TAG_enumerator)
<132> DW_AT_name : (indirect string, offset: 0x0): V4L2_PREEMPHASIS_DISABLED
<136> DW_AT_const_value : 0
<2><137>: Abbrev Number: 13 (DW_TAG_enumerator)
<138> DW_AT_name : (indirect string, offset: 0x1db): V4L2_PREEMPHASIS_50_uS
<13c> DW_AT_const_value : 1
<2><13d>: Abbrev Number: 13 (DW_TAG_enumerator)
<13e> DW_AT_name : (indirect string, offset: 0x183): V4L2_PREEMPHASIS_75_uS
<142> DW_AT_const_value : 2
<2><143>: Abbrev Number: 0
<1><144>: Abbrev Number: 14 (DW_TAG_array_type)
<145> DW_AT_type : <0x10e>
<149> DW_AT_sibling : <0x154>
<2><14d>: Abbrev Number: 15 (DW_TAG_subrange_type)
<14e> DW_AT_type : <0x63>
<152> DW_AT_upper_bound : 1
<2><153>: Abbrev Number: 0
<1><154>: Abbrev Number: 16 (DW_TAG_union_type)
<155> DW_AT_byte_size : 8
<156> DW_AT_decl_file : 3
<157> DW_AT_decl_line : 1225
<159> DW_AT_sibling : <0x182>
<2><15d>: Abbrev Number: 17 (DW_TAG_member)
<15e> DW_AT_name : (indirect string, offset: 0x26): value
<162> DW_AT_decl_file : 3
<163> DW_AT_decl_line : 1226
<165> DW_AT_type : <0x103>
<2><169>: Abbrev Number: 17 (DW_TAG_member)
<16a> DW_AT_name : (indirect string, offset: 0x124): value64
<16e> DW_AT_decl_file : 3
<16f> DW_AT_decl_line : 1227
<171> DW_AT_type : <0x119>
<2><175>: Abbrev Number: 17 (DW_TAG_member)
<176> DW_AT_name : (indirect string, offset: 0xd9): string
<17a> DW_AT_decl_file : 3
<17b> DW_AT_decl_line : 1228
<17d> DW_AT_type : <0x6a>
<2><181>: Abbrev Number: 0
<1><182>: Abbrev Number: 18 (DW_TAG_structure_type)
<183> DW_AT_name : (indirect string, offset: 0x32): v4l2_ext_control
<187> DW_AT_byte_size : 20
<188> DW_AT_decl_file : 3
<189> DW_AT_decl_line : 1221
<18b> DW_AT_sibling : <0x1c4>
<2><18f>: Abbrev Number: 19 (DW_TAG_member)
<190> DW_AT_name : id
<193> DW_AT_decl_file : 3
<194> DW_AT_decl_line : 1222
<196> DW_AT_type : <0x10e>
<19a> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><19d>: Abbrev Number: 20 (DW_TAG_member)
<19e> DW_AT_name : (indirect string, offset: 0x281): size
<1a2> DW_AT_decl_file : 3
<1a3> DW_AT_decl_line : 1223
<1a5> DW_AT_type : <0x10e>
<1a9> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><1ac>: Abbrev Number: 20 (DW_TAG_member)
<1ad> DW_AT_name : (indirect string, offset: 0x257): reserved2
<1b1> DW_AT_decl_file : 3
<1b2> DW_AT_decl_line : 1224
<1b4> DW_AT_type : <0x1c4>
<1b8> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><1bb>: Abbrev Number: 21 (DW_TAG_member)
<1bc> DW_AT_type : <0x154>
<1c0> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><1c3>: Abbrev Number: 0
<1><1c4>: Abbrev Number: 14 (DW_TAG_array_type)
<1c5> DW_AT_type : <0x10e>
<1c9> DW_AT_sibling : <0x1d4>
<2><1cd>: Abbrev Number: 15 (DW_TAG_subrange_type)
<1ce> DW_AT_type : <0x63>
<1d2> DW_AT_upper_bound : 0
<2><1d3>: Abbrev Number: 0
<1><1d4>: Abbrev Number: 18 (DW_TAG_structure_type)
<1d5> DW_AT_name : (indirect string, offset: 0x112): v4l2_ext_controls
<1d9> DW_AT_byte_size : 24
<1da> DW_AT_decl_file : 3
<1db> DW_AT_decl_line : 1232
<1dd> DW_AT_sibling : <0x22d>
<2><1e1>: Abbrev Number: 20 (DW_TAG_member)
<1e2> DW_AT_name : (indirect string, offset: 0x26a): ctrl_class
<1e6> DW_AT_decl_file : 3
<1e7> DW_AT_decl_line : 1233
<1e9> DW_AT_type : <0x10e>
<1ed> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><1f0>: Abbrev Number: 20 (DW_TAG_member)
<1f1> DW_AT_name : (indirect string, offset: 0x2c): count
<1f5> DW_AT_decl_file : 3
<1f6> DW_AT_decl_line : 1234
<1f8> DW_AT_type : <0x10e>
<1fc> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><1ff>: Abbrev Number: 20 (DW_TAG_member)
<200> DW_AT_name : (indirect string, offset: 0x1c4): error_idx
<204> DW_AT_decl_file : 3
<205> DW_AT_decl_line : 1235
<207> DW_AT_type : <0x10e>
<20b> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><20e>: Abbrev Number: 20 (DW_TAG_member)
<20f> DW_AT_name : (indirect string, offset: 0x19a): reserved
<213> DW_AT_decl_file : 3
<214> DW_AT_decl_line : 1236
<216> DW_AT_type : <0x144>
<21a> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><21d>: Abbrev Number: 20 (DW_TAG_member)
<21e> DW_AT_name : (indirect string, offset: 0xc7): controls
<222> DW_AT_decl_file : 3
<223> DW_AT_decl_line : 1237
<225> DW_AT_type : <0x22d>
<229> DW_AT_data_member_location: 2 byte block: 23 14 (DW_OP_plus_uconst: 20)
<2><22c>: Abbrev Number: 0
<1><22d>: Abbrev Number: 4 (DW_TAG_pointer_type)
<22e> DW_AT_byte_size : 4
<22f> DW_AT_type : <0x182>
<1><233>: Abbrev Number: 11 (DW_TAG_typedef)
<234> DW_AT_name : (indirect string, offset: 0x153): struct_v4l2_ext_controls
<238> DW_AT_decl_file : 4
<239> DW_AT_decl_line : 41
<23a> DW_AT_type : <0x1d4>
<1><23e>: Abbrev Number: 22 (DW_TAG_variable)
<23f> DW_AT_name : (indirect string, offset: 0x172): current_wordsize
<243> DW_AT_decl_file : 5
<244> DW_AT_decl_line : 757
<246> DW_AT_type : <0x47>
<24a> DW_AT_external : 1
<24b> DW_AT_declaration : 1
<1><24c>: Abbrev Number: 22 (DW_TAG_variable)
<24d> DW_AT_name : (indirect string, offset: 0x14c): sysent
<251> DW_AT_decl_file : 5
<252> DW_AT_decl_line : 892
<254> DW_AT_type : <0xf1>
<258> DW_AT_external : 1
<259> DW_AT_declaration : 1
<1><25a>: Abbrev Number: 22 (DW_TAG_variable)
<25b> DW_AT_name : (indirect string, offset: 0x236): nsyscalls
<25f> DW_AT_decl_file : 5
<260> DW_AT_decl_line : 903
<262> DW_AT_type : <0x47>
<266> DW_AT_external : 1
<267> DW_AT_declaration : 1
<1><268>: Abbrev Number: 23 (DW_TAG_variable)
<269> DW_AT_name : (indirect string, offset: 0xe0): mpers_target_var
<26d> DW_AT_decl_file : 4
<26e> DW_AT_decl_line : 47
<26f> DW_AT_type : <0x233>
<273> DW_AT_external : 1
<274> DW_AT_location : 5 byte block: 3 10 0 0 0 (DW_OP_addr: 10)
<1><27a>: Abbrev Number: 0