Contents of the .debug_info section:
Compilation Unit @ offset 0x0:
Length: 0x24c (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: 0x7c): 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: 0x292): mpers-mx32/struct_btrfs_ioctl_received_subvol_args.c
<15> DW_AT_comp_dir : (indirect string, offset: 0x1f1): /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: 0x2e0): 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: 0x2c7): 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: 0x0): 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: 0x121): 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: 0x2ec): 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: 0x1be): 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: 0x101): 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: 0x2d1): 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: 0x144): 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: 0x232): sizetype
<1><6a>: Abbrev Number: 2 (DW_TAG_base_type)
<6b> DW_AT_byte_size : 1
<6c> DW_AT_encoding : 6 (signed char)
<6d> DW_AT_name : (indirect string, offset: 0x1d6): char
<1><71>: Abbrev Number: 4 (DW_TAG_pointer_type)
<72> DW_AT_byte_size : 4
<73> DW_AT_type : <0x77>
<1><77>: Abbrev Number: 5 (DW_TAG_const_type)
<78> DW_AT_type : <0x6a>
<1><7c>: Abbrev Number: 6 (DW_TAG_structure_type)
<7d> DW_AT_name : (indirect string, offset: 0x156): sysent
<81> DW_AT_byte_size : 20
<82> DW_AT_decl_file : 1
<83> DW_AT_decl_line : 4
<84> DW_AT_sibling : <0xcf>
<2><88>: Abbrev Number: 7 (DW_TAG_member)
<89> DW_AT_name : (indirect string, offset: 0x188): nargs
<8d> DW_AT_decl_file : 1
<8e> DW_AT_decl_line : 5
<8f> DW_AT_type : <0x47>
<93> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><96>: Abbrev Number: 7 (DW_TAG_member)
<97> DW_AT_name : (indirect string, offset: 0xf7): sys_flags
<9b> DW_AT_decl_file : 1
<9c> DW_AT_decl_line : 6
<9d> DW_AT_type : <0x2b>
<a1> DW_AT_data_member_location: 2 byte block: 23 4 (DW_OP_plus_uconst: 4)
<2><a4>: Abbrev Number: 8 (DW_TAG_member)
<a5> DW_AT_name : sen
<a9> DW_AT_decl_file : 1
<aa> DW_AT_decl_line : 7
<ab> DW_AT_type : <0x2b>
<af> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><b2>: Abbrev Number: 7 (DW_TAG_member)
<b3> DW_AT_name : (indirect string, offset: 0x2ff): sys_func
<b7> DW_AT_decl_file : 1
<b8> DW_AT_decl_line : 8
<b9> DW_AT_type : <0xda>
<bd> DW_AT_data_member_location: 2 byte block: 23 c (DW_OP_plus_uconst: 12)
<2><c0>: Abbrev Number: 7 (DW_TAG_member)
<c1> DW_AT_name : (indirect string, offset: 0xcd): sys_name
<c5> DW_AT_decl_file : 1
<c6> DW_AT_decl_line : 9
<c7> DW_AT_type : <0x71>
<cb> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><ce>: Abbrev Number: 0
<1><cf>: Abbrev Number: 9 (DW_TAG_subroutine_type)
<d0> DW_AT_type : <0x2b>
<d4> DW_AT_sibling : <0xda>
<2><d8>: Abbrev Number: 10 (DW_TAG_unspecified_parameters)
<2><d9>: Abbrev Number: 0
<1><da>: Abbrev Number: 4 (DW_TAG_pointer_type)
<db> DW_AT_byte_size : 4
<dc> DW_AT_type : <0xcf>
<1><e0>: Abbrev Number: 11 (DW_TAG_typedef)
<e1> DW_AT_name : (indirect string, offset: 0x6e): struct_sysent
<e5> DW_AT_decl_file : 1
<e6> DW_AT_decl_line : 10
<e7> DW_AT_type : <0x7c>
<1><eb>: Abbrev Number: 4 (DW_TAG_pointer_type)
<ec> DW_AT_byte_size : 4
<ed> DW_AT_type : <0xf1>
<1><f1>: Abbrev Number: 5 (DW_TAG_const_type)
<f2> DW_AT_type : <0xe0>
<1><f6>: Abbrev Number: 2 (DW_TAG_base_type)
<f7> DW_AT_byte_size : 1
<f8> DW_AT_encoding : 2 (boolean)
<f9> DW_AT_name : (indirect string, offset: 0x50): _Bool
<1><fd>: Abbrev Number: 11 (DW_TAG_typedef)
<fe> DW_AT_name : (indirect string, offset: 0x56): __u32
<102> DW_AT_decl_file : 2
<103> DW_AT_decl_line : 26
<104> DW_AT_type : <0x47>
<1><108>: Abbrev Number: 11 (DW_TAG_typedef)
<109> DW_AT_name : (indirect string, offset: 0x22c): __u64
<10d> DW_AT_decl_file : 2
<10e> DW_AT_decl_line : 30
<10f> DW_AT_type : <0x4e>
<1><113>: Abbrev Number: 12 (DW_TAG_enumeration_type)
<114> DW_AT_name : (indirect string, offset: 0x1db): btrfs_dev_stat_values
<118> DW_AT_byte_size : 4
<119> DW_AT_decl_file : 3
<11a> DW_AT_decl_line : 369
<11c> DW_AT_sibling : <0x145>
<2><120>: Abbrev Number: 13 (DW_TAG_enumerator)
<121> DW_AT_name : (indirect string, offset: 0x15d): BTRFS_DEV_STAT_WRITE_ERRS
<125> DW_AT_const_value : 0
<2><126>: Abbrev Number: 13 (DW_TAG_enumerator)
<127> DW_AT_name : (indirect string, offset: 0x255): BTRFS_DEV_STAT_READ_ERRS
<12b> DW_AT_const_value : 1
<2><12c>: Abbrev Number: 13 (DW_TAG_enumerator)
<12d> DW_AT_name : (indirect string, offset: 0x23b): BTRFS_DEV_STAT_FLUSH_ERRS
<131> DW_AT_const_value : 2
<2><132>: Abbrev Number: 13 (DW_TAG_enumerator)
<133> DW_AT_name : (indirect string, offset: 0x19f): BTRFS_DEV_STAT_CORRUPTION_ERRS
<137> DW_AT_const_value : 3
<2><138>: Abbrev Number: 13 (DW_TAG_enumerator)
<139> DW_AT_name : (indirect string, offset: 0x273): BTRFS_DEV_STAT_GENERATION_ERRS
<13d> DW_AT_const_value : 4
<2><13e>: Abbrev Number: 13 (DW_TAG_enumerator)
<13f> DW_AT_name : (indirect string, offset: 0xe): BTRFS_DEV_STAT_VALUES_MAX
<143> DW_AT_const_value : 5
<2><144>: Abbrev Number: 0
<1><145>: Abbrev Number: 14 (DW_TAG_structure_type)
<146> DW_AT_name : (indirect string, offset: 0x12f): btrfs_ioctl_timespec
<14a> DW_AT_byte_size : 16
<14b> DW_AT_decl_file : 3
<14c> DW_AT_decl_line : 426
<14e> DW_AT_sibling : <0x171>
<2><152>: Abbrev Number: 15 (DW_TAG_member)
<153> DW_AT_name : sec
<157> DW_AT_decl_file : 3
<158> DW_AT_decl_line : 427
<15a> DW_AT_type : <0x108>
<15e> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><161>: Abbrev Number: 16 (DW_TAG_member)
<162> DW_AT_name : (indirect string, offset: 0x26e): nsec
<166> DW_AT_decl_file : 3
<167> DW_AT_decl_line : 428
<169> DW_AT_type : <0xfd>
<16d> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><170>: Abbrev Number: 0
<1><171>: Abbrev Number: 14 (DW_TAG_structure_type)
<172> DW_AT_name : (indirect string, offset: 0xd6): btrfs_ioctl_received_subvol_args
<176> DW_AT_byte_size : 200
<177> DW_AT_decl_file : 3
<178> DW_AT_decl_line : 431
<17a> DW_AT_sibling : <0x1e8>
<2><17e>: Abbrev Number: 16 (DW_TAG_member)
<17f> DW_AT_name : (indirect string, offset: 0x1d1): uuid
<183> DW_AT_decl_file : 3
<184> DW_AT_decl_line : 432
<186> DW_AT_type : <0x1e8>
<18a> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><18d>: Abbrev Number: 16 (DW_TAG_member)
<18e> DW_AT_name : (indirect string, offset: 0x65): stransid
<192> DW_AT_decl_file : 3
<193> DW_AT_decl_line : 433
<195> DW_AT_type : <0x108>
<199> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><19c>: Abbrev Number: 16 (DW_TAG_member)
<19d> DW_AT_name : (indirect string, offset: 0x118): rtransid
<1a1> DW_AT_decl_file : 3
<1a2> DW_AT_decl_line : 434
<1a4> DW_AT_type : <0x108>
<1a8> DW_AT_data_member_location: 2 byte block: 23 18 (DW_OP_plus_uconst: 24)
<2><1ab>: Abbrev Number: 16 (DW_TAG_member)
<1ac> DW_AT_name : (indirect string, offset: 0xc7): stime
<1b0> DW_AT_decl_file : 3
<1b1> DW_AT_decl_line : 435
<1b3> DW_AT_type : <0x145>
<1b7> DW_AT_data_member_location: 2 byte block: 23 20 (DW_OP_plus_uconst: 32)
<2><1ba>: Abbrev Number: 16 (DW_TAG_member)
<1bb> DW_AT_name : (indirect string, offset: 0x2da): rtime
<1bf> DW_AT_decl_file : 3
<1c0> DW_AT_decl_line : 436
<1c2> DW_AT_type : <0x145>
<1c6> DW_AT_data_member_location: 2 byte block: 23 30 (DW_OP_plus_uconst: 48)
<2><1c9>: Abbrev Number: 16 (DW_TAG_member)
<1ca> DW_AT_name : (indirect string, offset: 0x1cb): flags
<1ce> DW_AT_decl_file : 3
<1cf> DW_AT_decl_line : 437
<1d1> DW_AT_type : <0x108>
<1d5> DW_AT_data_member_location: 2 byte block: 23 40 (DW_OP_plus_uconst: 64)
<2><1d8>: Abbrev Number: 16 (DW_TAG_member)
<1d9> DW_AT_name : (indirect string, offset: 0x5c): reserved
<1dd> DW_AT_decl_file : 3
<1de> DW_AT_decl_line : 438
<1e0> DW_AT_type : <0x1f8>
<1e4> DW_AT_data_member_location: 2 byte block: 23 48 (DW_OP_plus_uconst: 72)
<2><1e7>: Abbrev Number: 0
<1><1e8>: Abbrev Number: 17 (DW_TAG_array_type)
<1e9> DW_AT_type : <0x6a>
<1ed> DW_AT_sibling : <0x1f8>
<2><1f1>: Abbrev Number: 18 (DW_TAG_subrange_type)
<1f2> DW_AT_type : <0x63>
<1f6> DW_AT_upper_bound : 15
<2><1f7>: Abbrev Number: 0
<1><1f8>: Abbrev Number: 17 (DW_TAG_array_type)
<1f9> DW_AT_type : <0x108>
<1fd> DW_AT_sibling : <0x208>
<2><201>: Abbrev Number: 18 (DW_TAG_subrange_type)
<202> DW_AT_type : <0x63>
<206> DW_AT_upper_bound : 15
<2><207>: Abbrev Number: 0
<1><208>: Abbrev Number: 11 (DW_TAG_typedef)
<209> DW_AT_name : (indirect string, offset: 0x28): struct_btrfs_ioctl_received_subvol_args
<20d> DW_AT_decl_file : 4
<20e> DW_AT_decl_line : 40
<20f> DW_AT_type : <0x171>
<1><213>: Abbrev Number: 19 (DW_TAG_variable)
<214> DW_AT_name : (indirect string, offset: 0x177): current_wordsize
<218> DW_AT_decl_file : 5
<219> DW_AT_decl_line : 757
<21b> DW_AT_type : <0x47>
<21f> DW_AT_external : 1
<220> DW_AT_declaration : 1
<1><221>: Abbrev Number: 19 (DW_TAG_variable)
<222> DW_AT_name : (indirect string, offset: 0x156): sysent
<226> DW_AT_decl_file : 5
<227> DW_AT_decl_line : 892
<229> DW_AT_type : <0xeb>
<22d> DW_AT_external : 1
<22e> DW_AT_declaration : 1
<1><22f>: Abbrev Number: 19 (DW_TAG_variable)
<230> DW_AT_name : (indirect string, offset: 0x222): nsyscalls
<234> DW_AT_decl_file : 5
<235> DW_AT_decl_line : 903
<237> DW_AT_type : <0x47>
<23b> DW_AT_external : 1
<23c> DW_AT_declaration : 1
<1><23d>: Abbrev Number: 20 (DW_TAG_variable)
<23e> DW_AT_name : (indirect string, offset: 0x18e): mpers_target_var
<242> DW_AT_decl_file : 4
<243> DW_AT_decl_line : 46
<244> DW_AT_type : <0x208>
<248> DW_AT_external : 1
<249> DW_AT_location : 5 byte block: 3 20 0 0 0 (DW_OP_addr: 20)
<1><24f>: Abbrev Number: 0