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: 0x154): 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: 0x270): mpers-m32/struct_btrfs_ioctl_received_subvol_args.c	
    <15>   DW_AT_comp_dir    : (indirect string, offset: 0x1ee): /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: 0x2dc): 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: 0x2c3): 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: 0xe7): 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: 0x2e8): 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: 0x1bb): 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: 0xc7): 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: 0x2cd): 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: 0x10a): 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: 0x22f): 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: 0x1d3): 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: 0x11c): 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: 0x14e): 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: 0xbd): 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: 0x2fb): 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: 0x82): 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: 0x229): __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: 0x1d8): 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: 0x123): 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: 0x252): 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: 0x238): 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: 0x19c): 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: 0x2a4): 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: 0xf5): btrfs_ioctl_timespec	
    <14a>   DW_AT_byte_size   : 12	
    <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: 0x26b): 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: 0x8b): btrfs_ioctl_received_subvol_args	
    <176>   DW_AT_byte_size   : 192	
    <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: 0x1ce): 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: 0xde): 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: 0x7c): 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: 0x2d6): 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 2c 	(DW_OP_plus_uconst: 44)
 <2><1c9>: Abbrev Number: 16 (DW_TAG_member)
    <1ca>   DW_AT_name        : (indirect string, offset: 0x1c8): 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 38 	(DW_OP_plus_uconst: 56)
 <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 40 	(DW_OP_plus_uconst: 64)
 <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: 0x13d): 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: 0x11c): 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: 0x21f): 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: 0xac): 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