557 lines
16 KiB
C
557 lines
16 KiB
C
/* Declarations and definitions of codes relating to the DWARF2 and
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DWARF3 symbolic debugging information formats.
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Copyright (C) 1992-2021 Free Software Foundation, Inc.
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Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
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Office (AJPO), Florida State University and Silicon Graphics Inc.
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provided support for this effort -- June 21, 1995.
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Derived from the DWARF 1 implementation written by Ron Guilmette
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(rfg@netcom.com), November 1990.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file is derived from the DWARF specification (a public document)
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Revision 2.0.0 (July 27, 1993) developed by the UNIX International
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Programming Languages Special Interest Group (UI/PLSIG) and distributed
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by UNIX International. Copies of this specification are available from
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UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
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This file also now contains definitions from the DWARF 3 specification
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published Dec 20, 2005, available from: http://dwarf.freestandards.org. */
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#ifndef _DWARF2_H
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#define _DWARF2_H
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#define DW_TAG(name, value) , name = value
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#define DW_TAG_DUP(name, value) , name = value
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#define DW_FORM(name, value) , name = value
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#define DW_AT(name, value) , name = value
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#define DW_AT_DUP(name, value) , name = value
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#define DW_OP(name, value) , name = value
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#define DW_OP_DUP(name, value) , name = value
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#define DW_ATE(name, value) , name = value
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#define DW_ATE_DUP(name, value) , name = value
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#define DW_CFA(name, value) , name = value
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#define DW_CFA_DUP(name, value) , name = value
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#define DW_IDX(name, value) , name = value
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#define DW_IDX_DUP(name, value) , name = value
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#define DW_UT(name, value) , name = value
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#define DW_FIRST_TAG(name, value) enum dwarf_tag { \
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name = value
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#define DW_END_TAG };
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#define DW_FIRST_FORM(name, value) enum dwarf_form { \
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name = value
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#define DW_END_FORM };
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#define DW_FIRST_AT(name, value) enum dwarf_attribute { \
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name = value
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#define DW_END_AT };
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#define DW_FIRST_OP(name, value) enum dwarf_location_atom { \
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name = value
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#define DW_END_OP };
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#define DW_FIRST_ATE(name, value) enum dwarf_type { \
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name = value
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#define DW_END_ATE };
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#define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \
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name = value
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#define DW_END_CFA };
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#define DW_FIRST_IDX(name, value) enum dwarf_name_index_attribute { \
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name = value
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#define DW_END_IDX };
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#define DW_FIRST_UT(name, value) enum dwarf_unit_type { \
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name = value
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#define DW_END_UT };
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#include "dwarf2.def"
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#undef DW_FIRST_TAG
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#undef DW_END_TAG
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#undef DW_FIRST_FORM
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#undef DW_END_FORM
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#undef DW_FIRST_AT
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#undef DW_END_AT
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#undef DW_FIRST_OP
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#undef DW_END_OP
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#undef DW_FIRST_ATE
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#undef DW_END_ATE
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#undef DW_FIRST_CFA
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#undef DW_END_CFA
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#undef DW_FIRST_IDX
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#undef DW_END_IDX
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#undef DW_FIRST_UT
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#undef DW_END_UT
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#undef DW_TAG
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#undef DW_TAG_DUP
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#undef DW_FORM
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#undef DW_AT
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#undef DW_AT_DUP
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#undef DW_OP
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#undef DW_OP_DUP
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#undef DW_ATE
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#undef DW_ATE_DUP
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#undef DW_CFA
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#undef DW_CFA_DUP
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#undef DW_IDX
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#undef DW_IDX_DUP
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#undef DW_UT
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/* Flag that tells whether entry has a child or not. */
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#define DW_children_no 0
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#define DW_children_yes 1
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#define DW_AT_stride_size DW_AT_bit_stride /* Note: The use of DW_AT_stride_size is deprecated. */
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#define DW_AT_stride DW_AT_byte_stride /* Note: The use of DW_AT_stride is deprecated. */
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/* Decimal sign encodings. */
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enum dwarf_decimal_sign_encoding
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{
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/* DWARF 3. */
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DW_DS_unsigned = 0x01,
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DW_DS_leading_overpunch = 0x02,
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DW_DS_trailing_overpunch = 0x03,
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DW_DS_leading_separate = 0x04,
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DW_DS_trailing_separate = 0x05
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};
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/* Endianity encodings. */
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enum dwarf_endianity_encoding
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{
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/* DWARF 3. */
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DW_END_default = 0x00,
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DW_END_big = 0x01,
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DW_END_little = 0x02,
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DW_END_lo_user = 0x40,
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DW_END_hi_user = 0xff
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};
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/* Array ordering names and codes. */
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enum dwarf_array_dim_ordering
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{
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DW_ORD_row_major = 0,
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DW_ORD_col_major = 1
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};
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/* Access attribute. */
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enum dwarf_access_attribute
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{
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DW_ACCESS_public = 1,
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DW_ACCESS_protected = 2,
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DW_ACCESS_private = 3
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};
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/* Visibility. */
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enum dwarf_visibility_attribute
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{
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DW_VIS_local = 1,
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DW_VIS_exported = 2,
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DW_VIS_qualified = 3
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};
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/* Virtuality. */
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enum dwarf_virtuality_attribute
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{
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DW_VIRTUALITY_none = 0,
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DW_VIRTUALITY_virtual = 1,
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DW_VIRTUALITY_pure_virtual = 2
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};
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/* Case sensitivity. */
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enum dwarf_id_case
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{
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DW_ID_case_sensitive = 0,
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DW_ID_up_case = 1,
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DW_ID_down_case = 2,
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DW_ID_case_insensitive = 3
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};
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/* Calling convention. */
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enum dwarf_calling_convention
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{
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DW_CC_normal = 0x1,
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DW_CC_program = 0x2,
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DW_CC_nocall = 0x3,
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/* DWARF 5. */
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DW_CC_pass_by_reference = 0x4,
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DW_CC_pass_by_value = 0x5,
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DW_CC_lo_user = 0x40,
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DW_CC_hi_user = 0xff,
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DW_CC_GNU_renesas_sh = 0x40,
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DW_CC_GNU_borland_fastcall_i386 = 0x41,
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/* This DW_CC_ value is not currently generated by any toolchain. It is
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used internally to GDB to indicate OpenCL C functions that have been
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compiled with the IBM XL C for OpenCL compiler and use a non-platform
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calling convention for passing OpenCL C vector types. This value may
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be changed freely as long as it does not conflict with any other DW_CC_
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value defined here. */
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DW_CC_GDB_IBM_OpenCL = 0xff
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};
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/* Inline attribute. */
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enum dwarf_inline_attribute
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{
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DW_INL_not_inlined = 0,
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DW_INL_inlined = 1,
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DW_INL_declared_not_inlined = 2,
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DW_INL_declared_inlined = 3
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};
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/* Discriminant lists. */
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enum dwarf_discrim_list
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{
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DW_DSC_label = 0,
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DW_DSC_range = 1
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};
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/* Line number opcodes. */
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enum dwarf_line_number_ops
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{
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DW_LNS_extended_op = 0,
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DW_LNS_copy = 1,
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DW_LNS_advance_pc = 2,
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DW_LNS_advance_line = 3,
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DW_LNS_set_file = 4,
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DW_LNS_set_column = 5,
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DW_LNS_negate_stmt = 6,
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DW_LNS_set_basic_block = 7,
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DW_LNS_const_add_pc = 8,
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DW_LNS_fixed_advance_pc = 9,
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/* DWARF 3. */
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DW_LNS_set_prologue_end = 10,
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DW_LNS_set_epilogue_begin = 11,
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DW_LNS_set_isa = 12
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};
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/* Line number extended opcodes. */
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enum dwarf_line_number_x_ops
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{
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DW_LNE_end_sequence = 1,
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DW_LNE_set_address = 2,
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DW_LNE_define_file = 3,
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DW_LNE_set_discriminator = 4,
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/* HP extensions. */
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DW_LNE_HP_negate_is_UV_update = 0x11,
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DW_LNE_HP_push_context = 0x12,
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DW_LNE_HP_pop_context = 0x13,
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DW_LNE_HP_set_file_line_column = 0x14,
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DW_LNE_HP_set_routine_name = 0x15,
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DW_LNE_HP_set_sequence = 0x16,
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DW_LNE_HP_negate_post_semantics = 0x17,
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DW_LNE_HP_negate_function_exit = 0x18,
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DW_LNE_HP_negate_front_end_logical = 0x19,
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DW_LNE_HP_define_proc = 0x20,
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DW_LNE_HP_source_file_correlation = 0x80,
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DW_LNE_lo_user = 0x80,
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DW_LNE_hi_user = 0xff
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};
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/* Sub-opcodes for DW_LNE_HP_source_file_correlation. */
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enum dwarf_line_number_hp_sfc_ops
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{
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DW_LNE_HP_SFC_formfeed = 1,
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DW_LNE_HP_SFC_set_listing_line = 2,
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DW_LNE_HP_SFC_associate = 3
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};
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/* Content type codes in line table directory_entry_format
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and file_name_entry_format sequences. */
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enum dwarf_line_number_content_type
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{
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DW_LNCT_path = 0x1,
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DW_LNCT_directory_index = 0x2,
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DW_LNCT_timestamp = 0x3,
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DW_LNCT_size = 0x4,
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DW_LNCT_MD5 = 0x5,
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DW_LNCT_lo_user = 0x2000,
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DW_LNCT_hi_user = 0x3fff
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};
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/* Type codes for location list entries. */
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enum dwarf_location_list_entry_type
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{
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DW_LLE_end_of_list = 0x00,
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DW_LLE_base_addressx = 0x01,
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DW_LLE_startx_endx = 0x02,
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DW_LLE_startx_length = 0x03,
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DW_LLE_offset_pair = 0x04,
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DW_LLE_default_location = 0x05,
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DW_LLE_base_address = 0x06,
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DW_LLE_start_end = 0x07,
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DW_LLE_start_length = 0x08,
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/* <http://lists.dwarfstd.org/private.cgi/dwarf-discuss-dwarfstd.org/2017-April/004347.html>
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has the proposal for now; only available to list members.
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A (possibly updated) copy of the proposal is available at
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<http://people.redhat.com/aoliva/papers/sfn/dwarf6-sfn-lvu.txt>. */
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DW_LLE_GNU_view_pair = 0x09,
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#define DW_LLE_view_pair DW_LLE_GNU_view_pair
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/* Former extension for Fission.
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See http://gcc.gnu.org/wiki/DebugFission. */
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DW_LLE_GNU_end_of_list_entry = 0x00,
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DW_LLE_GNU_base_address_selection_entry = 0x01,
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DW_LLE_GNU_start_end_entry = 0x02,
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DW_LLE_GNU_start_length_entry = 0x03
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};
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#define DW_CIE_ID 0xffffffff
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#define DW64_CIE_ID 0xffffffffffffffffULL
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#define DW_CFA_extended 0
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#define DW_CHILDREN_no 0x00
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#define DW_CHILDREN_yes 0x01
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#define DW_ADDR_none 0
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/* Source language names and codes. */
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enum dwarf_source_language
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{
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DW_LANG_C89 = 0x0001,
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DW_LANG_C = 0x0002,
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DW_LANG_Ada83 = 0x0003,
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DW_LANG_C_plus_plus = 0x0004,
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DW_LANG_Cobol74 = 0x0005,
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DW_LANG_Cobol85 = 0x0006,
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DW_LANG_Fortran77 = 0x0007,
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DW_LANG_Fortran90 = 0x0008,
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DW_LANG_Pascal83 = 0x0009,
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DW_LANG_Modula2 = 0x000a,
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/* DWARF 3. */
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DW_LANG_Java = 0x000b,
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DW_LANG_C99 = 0x000c,
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DW_LANG_Ada95 = 0x000d,
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DW_LANG_Fortran95 = 0x000e,
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DW_LANG_PLI = 0x000f,
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DW_LANG_ObjC = 0x0010,
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DW_LANG_ObjC_plus_plus = 0x0011,
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DW_LANG_UPC = 0x0012,
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DW_LANG_D = 0x0013,
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/* DWARF 4. */
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DW_LANG_Python = 0x0014,
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/* DWARF 5. */
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DW_LANG_OpenCL = 0x0015,
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DW_LANG_Go = 0x0016,
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DW_LANG_Modula3 = 0x0017,
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DW_LANG_Haskell = 0x0018,
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DW_LANG_C_plus_plus_03 = 0x0019,
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DW_LANG_C_plus_plus_11 = 0x001a,
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DW_LANG_OCaml = 0x001b,
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DW_LANG_Rust = 0x001c,
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DW_LANG_C11 = 0x001d,
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DW_LANG_Swift = 0x001e,
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DW_LANG_Julia = 0x001f,
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DW_LANG_Dylan = 0x0020,
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DW_LANG_C_plus_plus_14 = 0x0021,
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DW_LANG_Fortran03 = 0x0022,
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DW_LANG_Fortran08 = 0x0023,
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DW_LANG_RenderScript = 0x0024,
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DW_LANG_lo_user = 0x8000, /* Implementation-defined range start. */
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DW_LANG_hi_user = 0xffff, /* Implementation-defined range start. */
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/* MIPS. */
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DW_LANG_Mips_Assembler = 0x8001,
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/* UPC. */
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DW_LANG_Upc = 0x8765,
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/* HP extensions. */
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DW_LANG_HP_Bliss = 0x8003,
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DW_LANG_HP_Basic91 = 0x8004,
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DW_LANG_HP_Pascal91 = 0x8005,
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DW_LANG_HP_IMacro = 0x8006,
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DW_LANG_HP_Assembler = 0x8007,
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/* Rust extension, but replaced in DWARF 5. */
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DW_LANG_Rust_old = 0x9000
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};
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/* Names and codes for macro information. */
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enum dwarf_macinfo_record_type
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{
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DW_MACINFO_define = 1,
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DW_MACINFO_undef = 2,
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DW_MACINFO_start_file = 3,
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DW_MACINFO_end_file = 4,
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DW_MACINFO_vendor_ext = 255
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};
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/* DW_TAG_defaulted/DW_TAG_GNU_defaulted attributes. */
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enum dwarf_defaulted_attribute
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{
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DW_DEFAULTED_no = 0x00,
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DW_DEFAULTED_in_class = 0x01,
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DW_DEFAULTED_out_of_class = 0x02
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};
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/* Names and codes for new style macro information. */
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enum dwarf_macro_record_type
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{
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DW_MACRO_define = 0x01,
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DW_MACRO_undef = 0x02,
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DW_MACRO_start_file = 0x03,
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DW_MACRO_end_file = 0x04,
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DW_MACRO_define_strp = 0x05,
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DW_MACRO_undef_strp = 0x06,
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DW_MACRO_import = 0x07,
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DW_MACRO_define_sup = 0x08,
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DW_MACRO_undef_sup = 0x09,
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DW_MACRO_import_sup = 0x0a,
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DW_MACRO_define_strx = 0x0b,
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DW_MACRO_undef_strx = 0x0c,
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DW_MACRO_lo_user = 0xe0,
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DW_MACRO_hi_user = 0xff,
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/* Compatibility macros for the GNU .debug_macro extension. */
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DW_MACRO_GNU_define = 0x01,
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DW_MACRO_GNU_undef = 0x02,
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DW_MACRO_GNU_start_file = 0x03,
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DW_MACRO_GNU_end_file = 0x04,
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DW_MACRO_GNU_define_indirect = 0x05,
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DW_MACRO_GNU_undef_indirect = 0x06,
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DW_MACRO_GNU_transparent_include = 0x07,
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/* Extensions for DWZ multifile.
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See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */
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DW_MACRO_GNU_define_indirect_alt = 0x08,
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DW_MACRO_GNU_undef_indirect_alt = 0x09,
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DW_MACRO_GNU_transparent_include_alt = 0x0a,
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DW_MACRO_GNU_lo_user = 0xe0,
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DW_MACRO_GNU_hi_user = 0xff
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};
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/* Range list entry kinds in .debug_rnglists* section. */
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enum dwarf_range_list_entry
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{
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DW_RLE_end_of_list = 0x00,
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DW_RLE_base_addressx = 0x01,
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DW_RLE_startx_endx = 0x02,
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DW_RLE_startx_length = 0x03,
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DW_RLE_offset_pair = 0x04,
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DW_RLE_base_address = 0x05,
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DW_RLE_start_end = 0x06,
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DW_RLE_start_length = 0x07
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};
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/* @@@ For use with GNU frame unwind information. */
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#define DW_EH_PE_absptr 0x00
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#define DW_EH_PE_omit 0xff
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#define DW_EH_PE_uleb128 0x01
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#define DW_EH_PE_udata2 0x02
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#define DW_EH_PE_udata4 0x03
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#define DW_EH_PE_udata8 0x04
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#define DW_EH_PE_sleb128 0x09
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#define DW_EH_PE_sdata2 0x0A
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#define DW_EH_PE_sdata4 0x0B
|
||
#define DW_EH_PE_sdata8 0x0C
|
||
#define DW_EH_PE_signed 0x08
|
||
|
||
#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_indirect 0x80
|
||
|
||
/* Codes for the debug sections in a dwarf package (.dwp) file.
|
||
(From the pre-standard formats Extensions for Fission.
|
||
See http://gcc.gnu.org/wiki/DebugFissionDWP). */
|
||
enum dwarf_sect
|
||
{
|
||
DW_SECT_INFO = 1,
|
||
DW_SECT_TYPES = 2,
|
||
DW_SECT_ABBREV = 3,
|
||
DW_SECT_LINE = 4,
|
||
DW_SECT_LOC = 5,
|
||
DW_SECT_STR_OFFSETS = 6,
|
||
DW_SECT_MACINFO = 7,
|
||
DW_SECT_MACRO = 8,
|
||
DW_SECT_MAX = 8
|
||
};
|
||
|
||
/* Codes for the debug sections in a dwarf package (.dwp) file.
|
||
(From the official DWARF v5 spec.
|
||
See http://dwarfstd.org/doc/DWARF5.pdf, section 7.3.5). */
|
||
enum dwarf_sect_v5
|
||
{
|
||
DW_SECT_INFO_V5 = 1,
|
||
DW_SECT_RESERVED_V5 = 2,
|
||
DW_SECT_ABBREV_V5 = 3,
|
||
DW_SECT_LINE_V5 = 4,
|
||
DW_SECT_LOCLISTS_V5 = 5,
|
||
DW_SECT_STR_OFFSETS_V5 = 6,
|
||
DW_SECT_MACRO_V5 = 7,
|
||
DW_SECT_RNGLISTS_V5 = 8,
|
||
DW_SECT_MAX_V5 = 8
|
||
};
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif /* __cplusplus */
|
||
|
||
/* Return the name of a DW_TAG_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_TAG_name (unsigned int tag);
|
||
|
||
/* Return the name of a DW_AT_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_AT_name (unsigned int attr);
|
||
|
||
/* Return the name of a DW_FORM_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_FORM_name (unsigned int form);
|
||
|
||
/* Return the name of a DW_OP_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_OP_name (unsigned int op);
|
||
|
||
/* Return the name of a DW_ATE_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_ATE_name (unsigned int enc);
|
||
|
||
/* Return the name of a DW_CFA_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_CFA_name (unsigned int opc);
|
||
|
||
/* Return the name of a DW_IDX_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_IDX_name (unsigned int idx);
|
||
|
||
/* Return the name of a DW_UT_ constant, or NULL if the value is not
|
||
recognized. */
|
||
extern const char *get_DW_UT_name (unsigned int ut);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif /* __cplusplus */
|
||
|
||
#endif /* _DWARF2_H */
|