Contents of the .debug_info section:
Compilation Unit @ offset 0x0:
Length: 0x2b3 (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: 0x7f): 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: 0x29c): mpers-mx32/struct_btrfs_ioctl_dev_replace_args.c
<15> DW_AT_comp_dir : (indirect string, offset: 0x238): /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: 0x366): 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: 0x328): 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: 0x13f): 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: 0x390): 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: 0x1fb): 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: 0x11a): 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: 0x338): 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: 0x14d): 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: 0x293): 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: 0x216): 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: 0x15f): 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: 0x177): 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: 0x110): 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: 0x3a3): 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: 0xfa): 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: 0x208): 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: 0x2e6): __u8
<102> DW_AT_decl_file : 2
<103> DW_AT_decl_line : 20
<104> DW_AT_type : <0x39>
<1><108>: Abbrev Number: 11 (DW_TAG_typedef)
<109> DW_AT_name : (indirect string, offset: 0x28d): __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_structure_type)
<114> DW_AT_name : (indirect string, offset: 0x341): btrfs_ioctl_dev_replace_start_params
<118> DW_AT_byte_size : 2072
<11a> DW_AT_decl_file : 3
<11b> DW_AT_decl_line : 131
<11c> DW_AT_sibling : <0x15a>
<2><120>: Abbrev Number: 7 (DW_TAG_member)
<121> DW_AT_name : (indirect string, offset: 0x70): srcdevid
<125> DW_AT_decl_file : 3
<126> DW_AT_decl_line : 132
<127> DW_AT_type : <0x108>
<12b> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><12e>: Abbrev Number: 7 (DW_TAG_member)
<12f> DW_AT_name : (indirect string, offset: 0x372): cont_reading_from_srcdev_mode
<133> DW_AT_decl_file : 3
<134> DW_AT_decl_line : 133
<135> DW_AT_type : <0x108>
<139> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><13c>: Abbrev Number: 7 (DW_TAG_member)
<13d> DW_AT_name : (indirect string, offset: 0xca): srcdev_name
<141> DW_AT_decl_file : 3
<142> DW_AT_decl_line : 135
<143> DW_AT_type : <0x15a>
<147> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><14a>: Abbrev Number: 7 (DW_TAG_member)
<14b> DW_AT_name : (indirect string, offset: 0x3ac): tgtdev_name
<14f> DW_AT_decl_file : 3
<150> DW_AT_decl_line : 136
<151> DW_AT_type : <0x15a>
<155> DW_AT_data_member_location: 3 byte block: 23 91 8 (DW_OP_plus_uconst: 1041)
<2><159>: Abbrev Number: 0
<1><15a>: Abbrev Number: 13 (DW_TAG_array_type)
<15b> DW_AT_type : <0xfd>
<15f> DW_AT_sibling : <0x16b>
<2><163>: Abbrev Number: 14 (DW_TAG_subrange_type)
<164> DW_AT_type : <0x63>
<168> DW_AT_upper_bound : 1024
<2><16a>: Abbrev Number: 0
<1><16b>: Abbrev Number: 6 (DW_TAG_structure_type)
<16c> DW_AT_name : (indirect string, offset: 0x1ad): btrfs_ioctl_dev_replace_status_params
<170> DW_AT_byte_size : 48
<171> DW_AT_decl_file : 3
<172> DW_AT_decl_line : 144
<173> DW_AT_sibling : <0x1cc>
<2><177>: Abbrev Number: 7 (DW_TAG_member)
<178> DW_AT_name : (indirect string, offset: 0x131): replace_state
<17c> DW_AT_decl_file : 3
<17d> DW_AT_decl_line : 145
<17e> DW_AT_type : <0x108>
<182> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><185>: Abbrev Number: 7 (DW_TAG_member)
<186> DW_AT_name : (indirect string, offset: 0xe): progress_1000
<18a> DW_AT_decl_file : 3
<18b> DW_AT_decl_line : 146
<18c> DW_AT_type : <0x108>
<190> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><193>: Abbrev Number: 7 (DW_TAG_member)
<194> DW_AT_name : (indirect string, offset: 0x103): time_started
<198> DW_AT_decl_file : 3
<199> DW_AT_decl_line : 147
<19a> DW_AT_type : <0x108>
<19e> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><1a1>: Abbrev Number: 7 (DW_TAG_member)
<1a2> DW_AT_name : (indirect string, offset: 0x2eb): time_stopped
<1a6> DW_AT_decl_file : 3
<1a7> DW_AT_decl_line : 148
<1a8> DW_AT_type : <0x108>
<1ac> DW_AT_data_member_location: 2 byte block: 23 18 (DW_OP_plus_uconst: 24)
<2><1af>: Abbrev Number: 7 (DW_TAG_member)
<1b0> DW_AT_name : (indirect string, offset: 0x317): num_write_errors
<1b4> DW_AT_decl_file : 3
<1b5> DW_AT_decl_line : 149
<1b6> DW_AT_type : <0x108>
<1ba> DW_AT_data_member_location: 2 byte block: 23 20 (DW_OP_plus_uconst: 32)
<2><1bd>: Abbrev Number: 7 (DW_TAG_member)
<1be> DW_AT_name : (indirect string, offset: 0x1dd): num_uncorrectable_read_errors
<1c2> DW_AT_decl_file : 3
<1c3> DW_AT_decl_line : 150
<1c4> DW_AT_type : <0x108>
<1c8> DW_AT_data_member_location: 2 byte block: 23 28 (DW_OP_plus_uconst: 40)
<2><1cb>: Abbrev Number: 0
<1><1cc>: Abbrev Number: 15 (DW_TAG_union_type)
<1cd> DW_AT_byte_size : 2072
<1cf> DW_AT_decl_file : 3
<1d0> DW_AT_decl_line : 163
<1d1> DW_AT_sibling : <0x1ec>
<2><1d5>: Abbrev Number: 16 (DW_TAG_member)
<1d6> DW_AT_name : (indirect string, offset: 0x79): start
<1da> DW_AT_decl_file : 3
<1db> DW_AT_decl_line : 164
<1dc> DW_AT_type : <0x113>
<2><1e0>: Abbrev Number: 16 (DW_TAG_member)
<1e1> DW_AT_name : (indirect string, offset: 0xf3): status
<1e5> DW_AT_decl_file : 3
<1e6> DW_AT_decl_line : 165
<1e7> DW_AT_type : <0x16b>
<2><1eb>: Abbrev Number: 0
<1><1ec>: Abbrev Number: 12 (DW_TAG_structure_type)
<1ed> DW_AT_name : (indirect string, offset: 0xd6): btrfs_ioctl_dev_replace_args
<1f1> DW_AT_byte_size : 2600
<1f3> DW_AT_decl_file : 3
<1f4> DW_AT_decl_line : 159
<1f5> DW_AT_sibling : <0x22d>
<2><1f9>: Abbrev Number: 8 (DW_TAG_member)
<1fa> DW_AT_name : cmd
<1fe> DW_AT_decl_file : 3
<1ff> DW_AT_decl_line : 160
<200> DW_AT_type : <0x108>
<204> DW_AT_data_member_location: 2 byte block: 23 0 (DW_OP_plus_uconst: 0)
<2><207>: Abbrev Number: 7 (DW_TAG_member)
<208> DW_AT_name : (indirect string, offset: 0x231): result
<20c> DW_AT_decl_file : 3
<20d> DW_AT_decl_line : 161
<20e> DW_AT_type : <0x108>
<212> DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8)
<2><215>: Abbrev Number: 17 (DW_TAG_member)
<216> DW_AT_type : <0x1cc>
<21a> DW_AT_data_member_location: 2 byte block: 23 10 (DW_OP_plus_uconst: 16)
<2><21d>: Abbrev Number: 7 (DW_TAG_member)
<21e> DW_AT_name : (indirect string, offset: 0x332): spare
<222> DW_AT_decl_file : 3
<223> DW_AT_decl_line : 168
<224> DW_AT_type : <0x22d>
<228> DW_AT_data_member_location: 3 byte block: 23 a8 10 (DW_OP_plus_uconst: 2088)
<2><22c>: Abbrev Number: 0
<1><22d>: Abbrev Number: 13 (DW_TAG_array_type)
<22e> DW_AT_type : <0x108>
<232> DW_AT_sibling : <0x23d>
<2><236>: Abbrev Number: 18 (DW_TAG_subrange_type)
<237> DW_AT_type : <0x63>
<23b> DW_AT_upper_bound : 63
<2><23c>: Abbrev Number: 0
<1><23d>: Abbrev Number: 19 (DW_TAG_enumeration_type)
<23e> DW_AT_name : (indirect string, offset: 0x21b): btrfs_dev_stat_values
<242> DW_AT_byte_size : 4
<243> DW_AT_decl_file : 3
<244> DW_AT_decl_line : 369
<246> DW_AT_sibling : <0x26f>
<2><24a>: Abbrev Number: 20 (DW_TAG_enumerator)
<24b> DW_AT_name : (indirect string, offset: 0x56): BTRFS_DEV_STAT_WRITE_ERRS
<24f> DW_AT_const_value : 0
<2><250>: Abbrev Number: 20 (DW_TAG_enumerator)
<251> DW_AT_name : (indirect string, offset: 0x2cd): BTRFS_DEV_STAT_READ_ERRS
<255> DW_AT_const_value : 1
<2><256>: Abbrev Number: 20 (DW_TAG_enumerator)
<257> DW_AT_name : (indirect string, offset: 0x1c): BTRFS_DEV_STAT_FLUSH_ERRS
<25b> DW_AT_const_value : 2
<2><25c>: Abbrev Number: 20 (DW_TAG_enumerator)
<25d> DW_AT_name : (indirect string, offset: 0x18e): BTRFS_DEV_STAT_CORRUPTION_ERRS
<261> DW_AT_const_value : 3
<2><262>: Abbrev Number: 20 (DW_TAG_enumerator)
<263> DW_AT_name : (indirect string, offset: 0x2f8): BTRFS_DEV_STAT_GENERATION_ERRS
<267> DW_AT_const_value : 4
<2><268>: Abbrev Number: 20 (DW_TAG_enumerator)
<269> DW_AT_name : (indirect string, offset: 0x36): BTRFS_DEV_STAT_VALUES_MAX
<26d> DW_AT_const_value : 5
<2><26e>: Abbrev Number: 0
<1><26f>: Abbrev Number: 11 (DW_TAG_typedef)
<270> DW_AT_name : (indirect string, offset: 0x269): struct_btrfs_ioctl_dev_replace_args
<274> DW_AT_decl_file : 4
<275> DW_AT_decl_line : 36
<276> DW_AT_type : <0x1ec>
<1><27a>: Abbrev Number: 21 (DW_TAG_variable)
<27b> DW_AT_name : (indirect string, offset: 0x166): current_wordsize
<27f> DW_AT_decl_file : 5
<280> DW_AT_decl_line : 757
<282> DW_AT_type : <0x47>
<286> DW_AT_external : 1
<287> DW_AT_declaration : 1
<1><288>: Abbrev Number: 21 (DW_TAG_variable)
<289> DW_AT_name : (indirect string, offset: 0x15f): sysent
<28d> DW_AT_decl_file : 5
<28e> DW_AT_decl_line : 892
<290> DW_AT_type : <0xeb>
<294> DW_AT_external : 1
<295> DW_AT_declaration : 1
<1><296>: Abbrev Number: 21 (DW_TAG_variable)
<297> DW_AT_name : (indirect string, offset: 0x1d3): nsyscalls
<29b> DW_AT_decl_file : 5
<29c> DW_AT_decl_line : 903
<29e> DW_AT_type : <0x47>
<2a2> DW_AT_external : 1
<2a3> DW_AT_declaration : 1
<1><2a4>: Abbrev Number: 22 (DW_TAG_variable)
<2a5> DW_AT_name : (indirect string, offset: 0x17d): mpers_target_var
<2a9> DW_AT_decl_file : 4
<2aa> DW_AT_decl_line : 46
<2ab> DW_AT_type : <0x26f>
<2af> DW_AT_external : 1
<2b0> DW_AT_location : 5 byte block: 3 20 0 0 0 (DW_OP_addr: 20)
<1><2b6>: Abbrev Number: 0