--- /dev/null
+/*-
+ * Copyright (c) 2007 John Birrell (jb@freebsd.org)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *notice, this list of conditions and the following disclaimer in the
+ *documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: dwarf.h 3749 2019-06-28 01:10:44Z emaste $
+ */
+
+#ifndef _DWARF_H_
+#define _DWARF_H_
+
+#define DW_TAG_array_type 0x01
+#define DW_TAG_class_type 0x02
+#define DW_TAG_entry_point 0x03
+#define DW_TAG_enumeration_type 0x04
+#define DW_TAG_formal_parameter 0x05
+#define DW_TAG_imported_declaration 0x08
+#define DW_TAG_label 0x0a
+#define DW_TAG_lexical_block 0x0b
+#define DW_TAG_member 0x0d
+#define DW_TAG_pointer_type 0x0f
+#define DW_TAG_reference_type 0x10
+#define DW_TAG_compile_unit 0x11
+#define DW_TAG_string_type 0x12
+#define DW_TAG_structure_type 0x13
+#define DW_TAG_subroutine_type 0x15
+#define DW_TAG_typedef 0x16
+#define DW_TAG_union_type 0x17
+#define DW_TAG_unspecified_parameters 0x18
+#define DW_TAG_variant 0x19
+#define DW_TAG_common_block 0x1a
+#define DW_TAG_common_inclusion 0x1b
+#define DW_TAG_inheritance 0x1c
+#define DW_TAG_inlined_subroutine 0x1d
+#define DW_TAG_module 0x1e
+#define DW_TAG_ptr_to_member_type 0x1f
+#define DW_TAG_set_type 0x20
+#define DW_TAG_subrange_type 0x21
+#define DW_TAG_with_stmt 0x22
+#define DW_TAG_access_declaration 0x23
+#define DW_TAG_base_type 0x24
+#define DW_TAG_catch_block 0x25
+#define DW_TAG_const_type 0x26
+#define DW_TAG_constant 0x27
+#define DW_TAG_enumerator 0x28
+#define DW_TAG_friend 0x2a
+#define DW_TAG_namelist 0x2b
+#define DW_TAG_namelist_item 0x2c
+#define DW_TAG_packed_type 0x2d
+#define DW_TAG_subprogram 0x2e
+#define DW_TAG_template_type_parameter 0x2f
+#define DW_TAG_template_type_param 0x2f
+#define DW_TAG_template_value_parameter 0x30
+#define DW_TAG_template_value_param 0x30
+#define DW_TAG_thrown_type 0x31
+#define DW_TAG_try_block 0x32
+#define DW_TAG_variant_part 0x33
+#define DW_TAG_variable 0x34
+#define DW_TAG_volatile_type 0x35
+#define DW_TAG_dwarf_procedure 0x36
+#define DW_TAG_restrict_type 0x37
+#define DW_TAG_interface_type 0x38
+#define DW_TAG_namespace 0x39
+#define DW_TAG_imported_module 0x3a
+#define DW_TAG_unspecified_type 0x3b
+#define DW_TAG_partial_unit 0x3c
+#define DW_TAG_imported_unit 0x3d
+#define DW_TAG_condition 0x3f
+#define DW_TAG_shared_type 0x40
+#define DW_TAG_type_unit 0x41
+#define DW_TAG_rvalue_reference_type 0x42
+#define DW_TAG_template_alias 0x43
+#define DW_TAG_lo_user 0x4080
+#define DW_TAG_hi_user 0xffff
+
+/* GNU extensions. */
+#define DW_TAG_format_label 0x4101
+#define DW_TAG_function_template 0x4102
+#define DW_TAG_class_template 0x4103
+#define DW_TAG_GNU_BINCL 0x4104
+#define DW_TAG_GNU_EINCL 0x4105
+#define DW_TAG_GNU_template_template_parameter 0x4106
+#define DW_TAG_GNU_template_template_param 0x4106
+#define DW_TAG_GNU_template_parameter_pack 0x4107
+#define DW_TAG_GNU_formal_parameter_pack 0x4108
+#define DW_TAG_GNU_call_site 0x4109
+#define DW_TAG_GNU_call_site_parameter 0x410a
+
+#define DW_CHILDREN_no 0x00
+#define DW_CHILDREN_yes 0x01
+
+#define DW_AT_sibling 0x01
+#define DW_AT_location 0x02
+#define DW_AT_name 0x03
+#define DW_AT_ordering 0x09
+#define DW_AT_subscr_data 0x0a
+#define DW_AT_byte_size 0x0b
+#define DW_AT_bit_offset 0x0c
+#define DW_AT_bit_size 0x0d
+#define DW_AT_element_list 0x0f
+#define DW_AT_stmt_list 0x10
+#define DW_AT_low_pc 0x11
+#define DW_AT_high_pc 0x12
+#define DW_AT_language 0x13
+#define DW_AT_member 0x14
+#define DW_AT_discr 0x15
+#define DW_AT_discr_value 0x16
+#define DW_AT_visibility 0x17
+#define DW_AT_import 0x18
+#define DW_AT_string_length 0x19
+#define DW_AT_common_reference 0x1a
+#define DW_AT_comp_dir 0x1b
+#define DW_AT_const_value 0x1c
+#define DW_AT_containing_type 0x1d
+#define DW_AT_default_value 0x1e
+#define DW_AT_inline 0x20
+#define DW_AT_is_optional 0x21
+#define DW_AT_lower_bound 0x22
+#define DW_AT_producer 0x25
+#define DW_AT_prototyped 0x27
+#define DW_AT_return_addr 0x2a
+#define DW_AT_start_scope 0x2c
+#define DW_AT_bit_stride 0x2e
+#define DW_AT_stride_size 0x2e
+#define DW_AT_upper_bound 0x2f
+#define DW_AT_abstract_origin 0x31
+#define DW_AT_accessibility 0x32
+#define DW_AT_address_class 0x33
+#define DW_AT_artificial 0x34
+#define DW_AT_base_types 0x35
+#define DW_AT_calling_convention 0x36
+#define DW_AT_count 0x37
+#define DW_AT_data_member_location 0x38
+#define DW_AT_decl_column 0x39
+#define DW_AT_decl_file 0x3a
+#define DW_AT_decl_line 0x3b
+#define DW_AT_declaration 0x3c
+#define DW_AT_discr_list 0x3d
+#define DW_AT_encoding 0x3e
+#define DW_AT_external 0x3f
+#define DW_AT_frame_base 0x40
+#define DW_AT_friend 0x41
+#define DW_AT_identifier_case 0x42
+#define DW_AT_macro_info 0x43
+#define DW_AT_namelist_item 0x44
+#define DW_AT_priority 0x45
+#define DW_AT_segment 0x46
+#define DW_AT_specification 0x47
+#define DW_AT_static_link 0x48
+#define DW_AT_type 0x49
+#define DW_AT_use_location 0x4a
+#define DW_AT_variable_parameter 0x4b
+#define DW_AT_virtuality 0x4c
+#define DW_AT_vtable_elem_location 0x4d
+#define DW_AT_allocated 0x4e
+#define DW_AT_associated 0x4f
+#define DW_AT_data_location 0x50
+#define DW_AT_byte_stride 0x51
+#define DW_AT_entry_pc 0x52
+#define DW_AT_use_UTF8 0x53
+#define DW_AT_extension 0x54
+#define DW_AT_ranges 0x55
+#define DW_AT_trampoline 0x56
+#define DW_AT_call_column 0x57
+#define DW_AT_call_file 0x58
+#define DW_AT_call_line 0x59
+#define DW_AT_description 0x5a
+#define DW_AT_binary_scale 0x5b
+#define DW_AT_decimal_scale 0x5c
+#define DW_AT_small 0x5d
+#define DW_AT_decimal_sign 0x5e
+#define DW_AT_digit_count 0x5f
+#define DW_AT_picture_string 0x60
+#define DW_AT_mutable 0x61
+#define DW_AT_threads_scaled 0x62
+#define DW_AT_explicit 0x63
+#define DW_AT_object_pointer 0x64
+#define DW_AT_endianity 0x65
+#define DW_AT_elemental 0x66
+#define DW_AT_pure 0x67
+#define DW_AT_recursive 0x68
+#define DW_AT_signature 0x69
+#define DW_AT_main_subprogram 0x6a
+#define DW_AT_data_bit_offset 0x6b
+#define DW_AT_const_expr 0x6c
+#define DW_AT_enum_class 0x6d
+#define DW_AT_linkage_name 0x6e
+#define DW_AT_lo_user 0x2000
+#define DW_AT_hi_user 0x3fff
+
+/* SGI/MIPS extensions. */
+#define DW_AT_MIPS_fde 0x2001
+#define DW_AT_MIPS_loop_begin 0x2002
+#define DW_AT_MIPS_tail_loop_begin 0x2003
+#define DW_AT_MIPS_epilog_begin 0x2004
+#define DW_AT_MIPS_loop_unroll_factor 0x2005
+#define DW_AT_MIPS_software_pipeline_depth 0x2006
+#define DW_AT_MIPS_linkage_name 0x2007
+#define DW_AT_MIPS_stride 0x2008
+#define DW_AT_MIPS_abstract_name 0x2009
+#define DW_AT_MIPS_clone_origin 0x200a
+#define DW_AT_MIPS_has_inlines 0x200b
+#define DW_AT_MIPS_stride_byte 0x200c
+#define DW_AT_MIPS_stride_elem 0x200d
+#define DW_AT_MIPS_ptr_dopetype 0x200e
+#define DW_AT_MIPS_allocatable_dopetype 0x200f
+#define DW_AT_MIPS_assumed_shape_dopetype 0x2010
+#define DW_AT_MIPS_assumed_size 0x2011
+
+/* GNU extensions. */
+#define DW_AT_sf_names 0x2101
+#define DW_AT_src_info 0x2102
+#define DW_AT_mac_info 0x2103
+#define DW_AT_src_coords 0x2104
+#define DW_AT_body_begin 0x2105
+#define DW_AT_body_end 0x2106
+#define DW_AT_GNU_vector 0x2107
+#define DW_AT_GNU_guarded_by 0x2108
+#define DW_AT_GNU_pt_guarded_by 0x2109
+#define DW_AT_GNU_guarded 0x210a
+#define DW_AT_GNU_pt_guarded 0x210b
+#define DW_AT_GNU_locks_excluded 0x210c
+#define DW_AT_GNU_exclusive_locks_required 0x210d
+#define DW_AT_GNU_shared_locks_required 0x210e
+#define DW_AT_GNU_odr_signature 0x210f
+#define DW_AT_GNU_template_name 0x2110
+#define DW_AT_GNU_call_site_value 0x2111
+#define DW_AT_GNU_call_site_data_value 0x2112
+#define DW_AT_GNU_call_site_target 0x2113
+#define DW_AT_GNU_call_site_target_clobbered 0x2114
+#define DW_AT_GNU_tail_call 0x2115
+#define DW_AT_GNU_all_tail_call_sites 0x2116
+#define DW_AT_GNU_all_call_sites 0x2117
+#define DW_AT_GNU_all_source_call_sites 0x2118
+
+/* Apple extensions. */
+#define DW_AT_APPLE_optimized 0x3fe1
+#define DW_AT_APPLE_flags 0x3fe2
+#define DW_AT_APPLE_isa 0x3fe3
+#define DW_AT_APPLE_block 0x3fe4
+#define DW_AT_APPLE_major_runtime_vers 0x3fe5
+#define DW_AT_APPLE_runtime_class 0x3fe6
+#define DW_AT_APPLE_omit_frame_ptr 0x3fe7
+#define DW_AT_APPLE_property_name 0x3fe8
+#define DW_AT_APPLE_property_getter 0x3fe9
+#define DW_AT_APPLE_property_setter 0x3fea
+#define DW_AT_APPLE_property_attribute 0x3feb
+#define DW_AT_APPLE_objc_complete_type 0x3fec
+#define DW_AT_APPLE_property 0x3fed
+
+#define DW_FORM_addr 0x01
+#define DW_FORM_block2 0x03
+#define DW_FORM_block4 0x04
+#define DW_FORM_data2 0x05
+#define DW_FORM_data4 0x06
+#define DW_FORM_data8 0x07
+#define DW_FORM_string 0x08
+#define DW_FORM_block 0x09
+#define DW_FORM_block1 0x0a
+#define DW_FORM_data1 0x0b
+#define DW_FORM_flag 0x0c
+#define DW_FORM_sdata 0x0d
+#define DW_FORM_strp 0x0e
+#define DW_FORM_udata 0x0f
+#define DW_FORM_ref_addr 0x10
+#define DW_FORM_ref1 0x11
+#define DW_FORM_ref2 0x12
+#define DW_FORM_ref4 0x13
+#define DW_FORM_ref8 0x14
+#define DW_FORM_ref_udata 0x15
+#define DW_FORM_indirect 0x16
+#define DW_FORM_sec_offset 0x17
+#define DW_FORM_exprloc 0x18
+#define DW_FORM_flag_present 0x19
+#define DW_FORM_ref_sig8 0x20
+#define DW_FORM_GNU_ref_alt 0x1f20
+#define DW_FORM_GNU_strp_alt 0x1f21
+
+#define DW_OP_addr 0x03
+#define DW_OP_deref 0x06
+#define DW_OP_const1u 0x08
+#define DW_OP_const1s 0x09
+#define DW_OP_const2u 0x0a
+#define DW_OP_const2s 0x0b
+#define DW_OP_const4u 0x0c
+#define DW_OP_const4s 0x0d
+#define DW_OP_const8u 0x0e
+#define DW_OP_const8s 0x0f
+#define DW_OP_constu 0x10
+#define DW_OP_consts 0x11
+#define DW_OP_dup 0x12
+#define DW_OP_drop 0x13
+#define DW_OP_over 0x14
+#define DW_OP_pick 0x15
+#define DW_OP_swap 0x16
+#define DW_OP_rot 0x17
+#define DW_OP_xderef 0x18
+#define DW_OP_abs 0x19
+#define DW_OP_and 0x1a
+#define DW_OP_div 0x1b
+#define DW_OP_minus 0x1c
+#define DW_OP_mod 0x1d
+#define DW_OP_mul 0x1e
+#define DW_OP_neg 0x1f
+#define DW_OP_not 0x20
+#define DW_OP_or 0x21
+#define DW_OP_plus 0x22
+#define DW_OP_plus_uconst 0x23
+#define DW_OP_shl 0x24
+#define DW_OP_shr 0x25
+#define DW_OP_shra 0x26
+#define DW_OP_xor 0x27
+#define DW_OP_bra 0x28
+#define DW_OP_eq 0x29
+#define DW_OP_ge 0x2a
+#define DW_OP_gt 0x2b
+#define DW_OP_le 0x2c
+#define DW_OP_lt 0x2d
+#define DW_OP_ne 0x2e
+#define DW_OP_skip 0x2f
+#define DW_OP_lit0 0x30
+#define DW_OP_lit1 0x31
+#define DW_OP_lit2 0x32
+#define DW_OP_lit3 0x33
+#define DW_OP_lit4 0x34
+#define DW_OP_lit5 0x35
+#define DW_OP_lit6 0x36
+#define DW_OP_lit7 0x37
+#define DW_OP_lit8 0x38
+#define DW_OP_lit9 0x39
+#define DW_OP_lit10 0x3a
+#define DW_OP_lit11 0x3b
+#define DW_OP_lit12 0x3c
+#define DW_OP_lit13 0x3d
+#define DW_OP_lit14 0x3e
+#define DW_OP_lit15 0x3f
+#define DW_OP_lit16 0x40
+#define DW_OP_lit17 0x41
+#define DW_OP_lit18 0x42
+#define DW_OP_lit19 0x43
+#define DW_OP_lit20 0x44
+#define DW_OP_lit21 0x45
+#define DW_OP_lit22 0x46
+#define DW_OP_lit23 0x47
+#define DW_OP_lit24 0x48
+#define DW_OP_lit25 0x49
+#define DW_OP_lit26 0x4a
+#define DW_OP_lit27 0x4b
+#define DW_OP_lit28 0x4c
+#define DW_OP_lit29 0x4d
+#define DW_OP_lit30 0x4e
+#define DW_OP_lit31 0x4f
+#define DW_OP_reg0 0x50
+#define DW_OP_reg1 0x51
+#define DW_OP_reg2 0x52
+#define DW_OP_reg3 0x53
+#define DW_OP_reg4 0x54
+#define DW_OP_reg5 0x55
+#define DW_OP_reg6 0x56
+#define DW_OP_reg7 0x57
+#define DW_OP_reg8 0x58
+#define DW_OP_reg9 0x59
+#define DW_OP_reg10 0x5a
+#define DW_OP_reg11 0x5b
+#define DW_OP_reg12 0x5c
+#define DW_OP_reg13 0x5d
+#define DW_OP_reg14 0x5e
+#define DW_OP_reg15 0x5f
+#define DW_OP_reg16 0x60
+#define DW_OP_reg17 0x61
+#define DW_OP_reg18 0x62
+#define DW_OP_reg19 0x63
+#define DW_OP_reg20 0x64
+#define DW_OP_reg21 0x65
+#define DW_OP_reg22 0x66
+#define DW_OP_reg23 0x67
+#define DW_OP_reg24 0x68
+#define DW_OP_reg25 0x69
+#define DW_OP_reg26 0x6a
+#define DW_OP_reg27 0x6b
+#define DW_OP_reg28 0x6c
+#define DW_OP_reg29 0x6d
+#define DW_OP_reg30 0x6e
+#define DW_OP_reg31 0x6f
+#define DW_OP_breg0 0x70
+#define DW_OP_breg1 0x71
+#define DW_OP_breg2 0x72
+#define DW_OP_breg3 0x73
+#define DW_OP_breg4 0x74
+#define DW_OP_breg5 0x75
+#define DW_OP_breg6 0x76
+#define DW_OP_breg7 0x77
+#define DW_OP_breg8 0x78
+#define DW_OP_breg9 0x79
+#define DW_OP_breg10 0x7a
+#define DW_OP_breg11 0x7b
+#define DW_OP_breg12 0x7c
+#define DW_OP_breg13 0x7d
+#define DW_OP_breg14 0x7e
+#define DW_OP_breg15 0x7f
+#define DW_OP_breg16 0x80
+#define DW_OP_breg17 0x81
+#define DW_OP_breg18 0x82
+#define DW_OP_breg19 0x83
+#define DW_OP_breg20 0x84
+#define DW_OP_breg21 0x85
+#define DW_OP_breg22 0x86
+#define DW_OP_breg23 0x87
+#define DW_OP_breg24 0x88
+#define DW_OP_breg25 0x89
+#define DW_OP_breg26 0x8a
+#define DW_OP_breg27 0x8b
+#define DW_OP_breg28 0x8c
+#define DW_OP_breg29 0x8d
+#define DW_OP_breg30 0x8e
+#define DW_OP_breg31 0x8f
+#define DW_OP_regx 0x90
+#define DW_OP_fbreg 0x91
+#define DW_OP_bregx 0x92
+#define DW_OP_piece 0x93
+#define DW_OP_deref_size 0x94
+#define DW_OP_xderef_size 0x95
+#define DW_OP_nop 0x96
+#define DW_OP_push_object_address 0x97
+#define DW_OP_call2 0x98
+#define DW_OP_call4 0x99
+#define DW_OP_call_ref 0x9a
+#define DW_OP_form_tls_address 0x9b
+#define DW_OP_call_frame_cfa 0x9c
+#define DW_OP_bit_piece 0x9d
+#define DW_OP_implicit_value 0x9e
+#define DW_OP_stack_value 0x9f
+#define DW_OP_lo_user 0xe0
+#define DW_OP_hi_user 0xff
+
+/* GNU extensions. */
+#define DW_OP_GNU_push_tls_address 0xe0
+#define DW_OP_GNU_uninit 0xf0
+#define DW_OP_GNU_encoded_addr 0xf1
+#define DW_OP_GNU_implicit_pointer 0xf2
+#define DW_OP_GNU_entry_value 0xf3
+#define DW_OP_GNU_const_type 0xf4
+#define DW_OP_GNU_regval_type 0xf5
+#define DW_OP_GNU_deref_type 0xf6
+#define DW_OP_GNU_convert 0xf7
+#define DW_OP_GNU_reinterpret 0xf9
+#define DW_OP_GNU_parameter_ref 0xfa
+#define DW_OP_GNU_addr_index 0xfb
+#define DW_OP_GNU_const_index 0xfc
+
+#define DW_ATE_address 0x1
+#define DW_ATE_boolean 0x2
+#define DW_ATE_complex_float 0x3
+#define DW_ATE_float 0x4
+#define DW_ATE_signed 0x5
+#define DW_ATE_signed_char 0x6
+#define DW_ATE_unsigned 0x7
+#define DW_ATE_unsigned_char 0x8
+#define DW_ATE_imaginary_float 0x9
+#define DW_ATE_packed_decimal 0xa
+#define DW_ATE_numeric_string 0xb
+#define DW_ATE_edited 0xc
+#define DW_ATE_signed_fixed 0xd
+#define DW_ATE_unsigned_fixed 0xe
+#define DW_ATE_decimal_float 0xf
+#define DW_ATE_lo_user 0x80
+#define DW_ATE_hi_user 0xff
+
+#define DW_ACCESS_public 0x01
+#define DW_ACCESS_protected 0x02
+#define DW_ACCESS_private 0x03
+
+#define DW_END_default 0x00
+#define DW_END_big 0x01
+#define DW_END_little 0x02
+#define DW_END_lo_user 0x40
+#define DW_END_high_user 0xff
+
+#define DW_VIS_local 0x01
+#define DW_VIS_exported 0x02
+#define DW_VIS_qualified 0x03
+
+#define DW_VIRTUALITY_none 0x00
+#define DW_VIRTUALITY_virtual 0x01
+#define DW_VIRTUALITY_pure_virtual 0x02
+
+#define DW_LANG_C89 0x0001
+#define DW_LANG_C 0x0002
+#define DW_LANG_Ada83 0x0003
+#define DW_LANG_C_plus_plus 0x0004
+#define DW_LANG_Cobol74 0x0005
+#define DW_LANG_Cobol85 0x0006
+#define DW_LANG_Fortran77 0x0007
+#define DW_LANG_Fortran90 0x0008
+#define DW_LANG_Pascal83 0x0009
+#define DW_LANG_Modula2 0x000a
+#define DW_LANG_Java 0x000b
+#define DW_LANG_C99 0x000c
+#define DW_LANG_Ada95 0x000d
+#define DW_LANG_Fortran95 0x000e
+#define DW_LANG_PLI 0x000f
+#define DW_LANG_ObjC 0x0010
+#define DW_LANG_ObjC_plus_plus 0x0011
+#define DW_LANG_UPC 0x0012
+#define DW_LANG_D 0x0013
+#define DW_LANG_Python 0x0014
+#define DW_LANG_OpenCL 0x0015
+#define DW_LANG_Go 0x0016
+#define DW_LANG_Modula3 0x0017
+#define DW_LANG_Haskell 0x0018
+#define DW_LANG_C_plus_plus_03 0x0019
+#define DW_LANG_C_plus_plus_11 0x001a
+#define DW_LANG_OCaml 0x001b
+#define DW_LANG_Rust 0x001c
+#define DW_LANG_C11 0x001d
+#define DW_LANG_Swift 0x001e
+#define DW_LANG_Julia 0x001f
+#define DW_LANG_Dylan 0x0020
+#define DW_LANG_C_plus_plus_14 0x0021
+#define DW_LANG_Fortran03 0x0022
+#define DW_LANG_Fortran08 0x0023
+#define DW_LANG_RenderScript 0x0024
+#define DW_LANG_BLISS 0x0025
+#define DW_LANG_lo_user 0x8000
+#define DW_LANG_Mips_Assembler 0x8001
+#define DW_LANG_hi_user 0xffff
+
+#define DW_ID_case_sensitive 0x00
+#define DW_ID_up_case 0x01
+#define DW_ID_down_case 0x02
+#define DW_ID_case_insensitive 0x03
+
+#define DW_CC_normal 0x01
+#define DW_CC_program 0x02
+#define DW_CC_nocall 0x03
+#define DW_CC_lo_user 0x40
+#define DW_CC_hi_user 0xff
+
+#define DW_INL_not_inlined 0x00
+#define DW_INL_inlined 0x01
+#define DW_INL_declared_not_inlined 0x02
+#define DW_INL_declared_inlined 0x03
+
+#define DW_ORD_row_major 0x00
+#define DW_ORD_col_major 0x01
+
+#define DW_DS_unsigned 0x01
+#define DW_DS_leading_overpunch 0x02
+#define DW_DS_trailing_overpunch 0x03
+#define DW_DS_leading_separate 0x04
+#define DW_DS_trailing_separate 0x05
+
+#define DW_DSC_label 0x00
+#define DW_DSC_range 0x01
+
+#define DW_LNS_copy 0x01
+#define DW_LNS_advance_pc 0x02
+#define DW_LNS_advance_line 0x03
+#define DW_LNS_set_file 0x04
+#define DW_LNS_set_column 0x05
+#define DW_LNS_negate_stmt 0x06
+#define DW_LNS_set_basic_block 0x07
+#define DW_LNS_const_add_pc 0x08
+#define DW_LNS_fixed_advance_pc 0x09
+#define DW_LNS_set_prologue_end 0x0a
+#define DW_LNS_set_epilogue_begin 0x0b
+#define DW_LNS_set_isa 0x0c
+
+#define DW_LNE_end_sequence 0x01
+#define DW_LNE_set_address 0x02
+#define DW_LNE_define_file 0x03
+#define DW_LNE_lo_user 0x80
+#define DW_LNE_hi_user 0xff
+
+#define DW_MACINFO_define 0x01
+#define DW_MACINFO_undef 0x02
+#define DW_MACINFO_start_file 0x03
+#define DW_MACINFO_end_file 0x04
+#define DW_MACINFO_vendor_ext 0xff
+
+#define DW_CFA_advance_loc 0x40
+#define DW_CFA_offset 0x80
+#define DW_CFA_restore 0xc0
+#define DW_CFA_extended 0
+
+#define DW_CFA_nop 0x00
+#define DW_CFA_set_loc 0x01
+#define DW_CFA_advance_loc1 0x02
+#define DW_CFA_advance_loc2 0x03
+#define DW_CFA_advance_loc4 0x04
+#define DW_CFA_offset_extended 0x05
+#define DW_CFA_restore_extended 0x06
+#define DW_CFA_undefined 0x07
+#define DW_CFA_same_value 0x08
+#define DW_CFA_register 0x09
+#define DW_CFA_remember_state 0x0a
+#define DW_CFA_restore_state 0x0b
+#define DW_CFA_def_cfa 0x0c
+#define DW_CFA_def_cfa_register 0x0d
+#define DW_CFA_def_cfa_offset 0x0e
+#define DW_CFA_def_cfa_expression 0x0f
+#define DW_CFA_expression 0x10
+#define DW_CFA_offset_extended_sf 0x11
+#define DW_CFA_def_cfa_sf 0x12
+#define DW_CFA_def_cfa_offset_sf 0x13
+#define DW_CFA_val_offset 0x14
+#define DW_CFA_val_offset_sf 0x15
+#define DW_CFA_val_expression 0x16
+#define DW_CFA_lo_user 0x1c
+#define DW_CFA_high_user 0x3f
+
+/*
+ * LSB(Linux Standard Base) extension to DWARF2.
+ */
+
+#define DW_EH_PE_absptr 0x00
+#define DW_EH_PE_uleb128 0x01
+#define DW_EH_PE_udata2 0x02
+#define DW_EH_PE_udata4 0x03
+#define DW_EH_PE_udata8 0x04
+#define DW_EH_PE_sleb128 0x09
+#define DW_EH_PE_sdata2 0x0a
+#define DW_EH_PE_sdata4 0x0b
+#define DW_EH_PE_sdata8 0x0c
+#define DW_EH_PE_pcrel 0x10
+#define DW_EH_PE_textrel 0x20
+#define DW_EH_PE_datarel 0x30
+#define DW_EH_PE_funcrel 0x40
+#define DW_EH_PE_aligned 0x50
+#define DW_EH_PE_omit 0xff
+
+#endif /* !_DWARF_H_ */
* DAMAGE.
*/
-#include <dwarf.h>
-#include <gelf.h>
-#include <libelf.h>
#include <libgen.h>
#include <libunwind.h>
#include <stdio.h>
#include <sys/user.h>
#include <unistd.h>
+#include "dwarf.h"
#include "mem_map.h"
#include "proc.h"
#include "crash-stack.h"
#define LOG_TAG "CRASH_STACK"
#include "shared/log.h"
+#include "shared/telf.h"
size_t stack_size = 0xa00000;
static unsigned long esp = 0;
static FILE *debug;
+
static Elf *elf_start(int fd, char *image, uint64_t size)
{
- Elf *elf;
+ Elf *elf = malloc(sizeof(Elf));
if (fd > 0) {
- if ((elf = elf_begin(fd, TBSTACK_ELF_C_READ, NULL)) == NULL)
- _E("elf_begin: %s", elf_errmsg(elf_errno()));
+ if (!teu_begin(fd, elf))
+ _E("elf_begin: %s", teu_errmsg(elf));
} else {
- if ((elf = elf_memory(image, size)) == NULL)
- _E("elf_memory: %s", elf_errmsg(elf_errno()));
+ if (!teu_begin_memory(image, elf))
+ _E("elf_memory: %s", teu_errmsg(elf));
}
return elf;
uint64_t *table_data, uint64_t *table_len)
{
Elf *elf;
- GElf_Ehdr ehdr;
- Elf_Scn *scn = NULL;
- GElf_Shdr shdr;
uint64_t offset = 0;
if ((elf = elf_start(fd, image, size)) == NULL)
return -1;
- if (gelf_getehdr(elf, &ehdr) == NULL) {
- _E("elf_getehdr: %s", elf_errmsg(elf_errno()));
- goto find_exidx_end;
- }
+ for (size_t i = 0; i < elf->ehdr.e_shnum; i++) {
+ Elf64_Shdr shdr;
- while ((scn = elf_nextscn(elf, scn)) != NULL) {
- if (gelf_getshdr(scn, &shdr) == NULL) {
- _E("elf_getshdr: %s", elf_errmsg(elf_errno()));
+ if (!teu_getshdr(elf, i, &shdr)) {
+ _E("Can not read section header: %s", teu_errmsg(elf));
break;
}
if (shdr.sh_type == SHT_ARM_EXIDX) {
- Elf_Data *data = NULL;
-
- if ((data = elf_getdata(scn, data)) == NULL) {
- _E("elf_getdata: %s", elf_errmsg(elf_errno()));
- break;
- }
-
offset = *table_data = shdr.sh_offset;
*table_len = shdr.sh_size;
}
}
-find_exidx_end:
- elf_end(elf);
+ teu_close(elf);
+ free(elf);
return (offset ? 0 : -1);
}
#else /* __arm__ */
uint64_t *table_data, uint64_t *segbase, uint64_t *fde_count)
{
Elf *elf;
- GElf_Ehdr ehdr;
- Elf_Scn *scn = NULL;
- GElf_Shdr shdr;
+ Elf64_Ehdr ehdr;
+ Elf64_Shdr shdr;
uint64_t offset = 0;
if ((elf = elf_start(fd, image, size)) == NULL)
return -1;
- if (gelf_getehdr(elf, &ehdr) == NULL) {
- _E("elf_getehdr: %s", elf_errmsg(elf_errno()));
+ if (!teu_getehdr(elf, &ehdr)) {
+ _E("teu_getehdr: %s", teu_errmsg(elf));
goto elf_section_offset_end;
}
- while ((scn = elf_nextscn(elf, scn)) != NULL) {
- char *str;
-
- if (gelf_getshdr(scn, &shdr) == NULL) {
- _E("elf_getshdr: %s", elf_errmsg(elf_errno()));
+ for (size_t i = 0; i < elf->ehdr.e_shnum; i++) {
+ if (!teu_getshdr(elf, i, &shdr))
break;
- }
- str = elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name);
+ char *str = teu_strptr(&elf, ehdr.e_shstrndx, shdr.sh_name);
if (str != NULL && !strcmp(str, ".eh_frame_hdr")) {
- Elf_Data *data = NULL;
-
- if ((data = elf_getdata(scn, data)) == NULL) {
- _E("elf_getdata: %s", elf_errmsg(elf_errno()));
- break;
- }
+ void *data = teu_getsdata(elf, &shdr);
offset = *segbase = shdr.sh_offset;
parse_eh_frame_hdr(data->d_buf, offset, table_data, fde_count);
}
elf_section_offset_end:
- elf_end(elf);
+ teu_close(elf);
+ free(elf);
return (offset ? 0 : -1);
}
#endif /* __arm__ */
*/
struct symbols
{
- GElf_Sym *s_data;
+ Elf64_Sym *s_data;
size_t s_size;
size_t s_cap;
};
/*
* add a symbol to array
*/
-static int push_symbol(struct symbols *array, const GElf_Sym *s)
+static int push_symbol(struct symbols *array, const Elf64_Sym *s)
{
++array->s_size;
if (array->s_size > array->s_cap) {
- GElf_Sym *new_data;
+ Elf64_Sym *new_data;
array->s_cap <<= 1;
- new_data = malloc(sizeof(GElf_Sym) * array->s_cap);
+ new_data = malloc(sizeof(Elf64_Sym) * array->s_cap);
if (new_data == NULL) {
_E("malloc(): %m");
return -1;
}
- memcpy(new_data, array->s_data, sizeof(GElf_Sym) * (array->s_size-1));
+ memcpy(new_data, array->s_data, sizeof(Elf64_Sym) * (array->s_size-1));
free(array->s_data);
array->s_data = new_data;
}
- memcpy(array->s_data + (array->s_size-1), s, sizeof(GElf_Sym));
+ memcpy(array->s_data + (array->s_size-1), s, sizeof(Elf64_Sym));
return 0;
}
*/
static int sym_compar(const void *v1, const void *v2)
{
- const GElf_Sym *s1 = v1;
- const GElf_Sym *s2 = v2;
+ const Elf64_Sym *s1 = v1;
+ const Elf64_Sym *s2 = v2;
if (s1->st_value < s2->st_value)
return -1;
uint64_t offset, uint64_t addr, unw_word_t *off)
{
Elf *elf;
- Elf_Scn *scn = NULL;
char *str = NULL;
int rc = 0;
struct symbols all;
*/
all.s_cap = 64;
all.s_size = 0;
- all.s_data = malloc(all.s_cap * sizeof(GElf_Sym));
+ all.s_data = malloc(all.s_cap * sizeof(Elf64_Sym));
if (all.s_data == NULL)
goto proc_name_end;
- if (elf_getphdrnum (elf, &pnum))
+ pnum = elf->ehdr.e_phnum;
+ if (pnum == 0)
goto proc_name_end;
for (i = 0; i < pnum; ++i) {
- GElf_Phdr phdr;
- if (gelf_getphdr(elf, i, &phdr) == NULL)
+ Elf64_Phdr phdr;
+ if (!teu_getphdr(elf, i, &phdr))
goto proc_name_end;
if (phdr.p_type != PT_LOAD)
continue;
/*
* search symtab or dynsym section
*/
- while ((scn = elf_nextscn(elf, scn)) != NULL) {
- GElf_Shdr shdr;
+ for (size_t i = 0; i < elf->ehdr.e_shnum; i++) {
+ Elf64_Shdr shdr;
- if (gelf_getshdr(scn, &shdr) == NULL) {
- _E("elf_nextscn: %s", elf_errmsg(elf_errno()));
+ if (!teu_getshdr(elf, i, &shdr)) {
goto proc_name_end;
}
if (shdr.sh_type == SHT_DYNSYM || shdr.sh_type == SHT_SYMTAB) {
- Elf_Data *data = NULL;
int symbol_count;
- if ((data = elf_getdata(scn, data)) == NULL) {
- _E("elf_getdata: %s", elf_errmsg(elf_errno()));
- goto proc_name_end;
- }
+ void *data = teu_getsdata(elf, &shdr);
symbol_count = shdr.sh_size / shdr.sh_entsize;
for (i = 0; i < (size_t)symbol_count; ++i) {
- GElf_Sym s;
+ Elf64_Sym s;
- if (gelf_getsym(data, i, &s) == NULL) {
- _E("elf_getsym: %s",
- elf_errmsg(elf_errno()));
+ if (!teu_getsym(elf, &shdr, i, data, &s)) {
+ _E("teu_getsym: %s", teu_errmsg(elf));
rc = -1;
goto proc_name_end;
}
* exact match
*/
if (addr >= s.st_value && addr < (s.st_value + s.st_size)) {
- str = elf_strptr(elf, shdr.sh_link, s.st_name);
+ str = teu_strptr(elf, shdr.sh_link, s.st_name);
if (str == NULL) {
- _E("elf_strptr #1: %s",
- elf_errmsg(elf_errno()));
+ _E("teu_strptr #1: %s", teu_errmsg(elf));
rc = -1;
goto proc_name_end;
}
* one of zero size
*/
if (!rc && str == NULL) {
- qsort(all.s_data, all.s_size, sizeof(GElf_Sym), sym_compar);
+ qsort(all.s_data, all.s_size, sizeof(Elf64_Sym), sym_compar);
for (i = 0; i < (all.s_size-1); ++i) {
- const GElf_Sym *cur = all.s_data + i;
- const GElf_Sym *next = all.s_data + i + 1;
+ const Elf64_Sym *cur = all.s_data + i;
+ const Elf64_Sym *next = all.s_data + i + 1;
if (cur->st_size == 0) {
if (cur->st_value <= addr && addr < next->st_value) {
- str = elf_strptr(elf, cur->st_shndx, cur->st_name);
+ str = teu_strptr(elf, cur->st_shndx, cur->st_name);
if (str == NULL) {
- _E("elf_strptr #2: %s",
- elf_errmsg(elf_errno()));
+ _E("teu_strptr #2: %s", teu_errmsg(elf));
rc = -1;
goto proc_name_end;
}
proc_name_end:
free(all.s_data);
- elf_end(elf);
+ teu_close(elf);
+ free(elf);
return str;
}