1// dwarf.h -- DWARF2 constants  -*- C++ -*-
2
3// Copyright (C) 2006-2017 Free Software Foundation, Inc.
4// Written by Ian Lance Taylor <iant@google.com>.
5
6// This file is part of elfcpp.
7
8// This program is free software; you can redistribute it and/or
9// modify it under the terms of the GNU Library General Public License
10// as published by the Free Software Foundation; either version 2, or
11// (at your option) any later version.
12
13// In addition to the permissions in the GNU Library General Public
14// License, the Free Software Foundation gives you unlimited
15// permission to link the compiled version of this file into
16// combinations with other programs, and to distribute those
17// combinations without any restriction coming from the use of this
18// file.  (The Library Public License restrictions do apply in other
19// respects; for example, they cover modification of the file, and
20/// distribution when not linked into a combined executable.)
21
22// This program is distributed in the hope that it will be useful, but
23// WITHOUT ANY WARRANTY; without even the implied warranty of
24// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
25// Library General Public License for more details.
26
27// You should have received a copy of the GNU Library General Public
28// License along with this program; if not, write to the Free Software
29// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
30// 02110-1301, USA.
31
32#ifndef ELFCPP_DWARF_H
33#define ELFCPP_DWARF_H
34
35namespace elfcpp
36{
37
38// DWARF2 codes.
39
40// Include DW_TAG, DW_FORM, DW_AT, DW_OP, DW_ATE, and DW_CFA
41// codes from dwarf2.def.
42
43#define DW_FIRST_TAG(name, value) enum DW_TAG { \
44  name = value
45#define DW_TAG(name, value) , name = value
46#define DW_TAG_DUP(name, value) , name = value
47#define DW_END_TAG };
48
49#define DW_FIRST_FORM(name, value) enum DW_FORM { \
50  name = value
51#define DW_FORM(name, value) , name = value
52#define DW_END_FORM };
53
54#define DW_FIRST_AT(name, value) enum DW_AT { \
55  name = value
56#define DW_AT(name, value) , name = value
57#define DW_AT_DUP(name, value) , name = value
58#define DW_END_AT };
59
60#define DW_FIRST_OP(name, value) enum DW_OP { \
61  name = value
62#define DW_OP(name, value) , name = value
63#define DW_OP_DUP(name, value) , name = value
64#define DW_END_OP };
65
66#define DW_FIRST_ATE(name, value) enum DW_ENCODING { \
67  name = value
68#define DW_ATE(name, value) , name = value
69#define DW_ATE_DUP(name, value) , name = value
70#define DW_END_ATE };
71
72#define DW_FIRST_CFA(name, value) enum DW_CFA { \
73  name = value
74#define DW_CFA(name, value) , name = value
75#define DW_END_CFA };
76
77#include "dwarf2.def"
78
79#undef DW_FIRST_TAG
80#undef DW_TAG
81#undef DW_TAG_DUP
82#undef DW_END_TAG
83
84#undef DW_FIRST_FORM
85#undef DW_FORM
86#undef DW_END_FORM
87
88#undef DW_FIRST_AT
89#undef DW_AT
90#undef DW_AT_DUP
91#undef DW_END_AT
92
93#undef DW_FIRST_OP
94#undef DW_OP
95#undef DW_OP_DUP
96#undef DW_END_OP
97
98#undef DW_FIRST_ATE
99#undef DW_ATE
100#undef DW_ATE_DUP
101#undef DW_END_ATE
102
103#undef DW_FIRST_CFA
104#undef DW_CFA
105#undef DW_END_CFA
106
107// Frame unwind information.
108
109enum DW_EH_PE
110{
111  DW_EH_PE_absptr = 0x00,
112  DW_EH_PE_omit = 0xff,
113
114  DW_EH_PE_uleb128 = 0x01,
115  DW_EH_PE_udata2 = 0x02,
116  DW_EH_PE_udata4 = 0x03,
117  DW_EH_PE_udata8 = 0x04,
118  DW_EH_PE_signed = 0x08,
119  DW_EH_PE_sleb128 = 0x09,
120  DW_EH_PE_sdata2 = 0x0a,
121  DW_EH_PE_sdata4 = 0x0b,
122  DW_EH_PE_sdata8 = 0x0c,
123
124  DW_EH_PE_pcrel = 0x10,
125  DW_EH_PE_textrel = 0x20,
126  DW_EH_PE_datarel = 0x30,
127  DW_EH_PE_funcrel = 0x40,
128  DW_EH_PE_aligned = 0x50,
129
130  DW_EH_PE_indirect = 0x80
131};
132
133// Line number opcodes.
134
135enum DW_LINE_OPS
136{
137  DW_LNS_extended_op = 0,
138  DW_LNS_copy = 1,
139  DW_LNS_advance_pc = 2,
140  DW_LNS_advance_line = 3,
141  DW_LNS_set_file = 4,
142  DW_LNS_set_column = 5,
143  DW_LNS_negate_stmt = 6,
144  DW_LNS_set_basic_block = 7,
145  DW_LNS_const_add_pc = 8,
146  DW_LNS_fixed_advance_pc = 9,
147  // DWARF 3.
148  DW_LNS_set_prologue_end = 10,
149  DW_LNS_set_epilogue_begin = 11,
150  DW_LNS_set_isa = 12
151};
152
153// Line number extended opcodes.
154
155enum DW_LINE_EXTENDED_OPS
156{
157  DW_LNE_end_sequence = 1,
158  DW_LNE_set_address = 2,
159  DW_LNE_define_file = 3,
160  // DWARF4.
161  DW_LNE_set_discriminator = 4,
162  // HP extensions.
163  DW_LNE_HP_negate_is_UV_update      = 0x11,
164  DW_LNE_HP_push_context             = 0x12,
165  DW_LNE_HP_pop_context              = 0x13,
166  DW_LNE_HP_set_file_line_column     = 0x14,
167  DW_LNE_HP_set_routine_name         = 0x15,
168  DW_LNE_HP_set_sequence             = 0x16,
169  DW_LNE_HP_negate_post_semantics    = 0x17,
170  DW_LNE_HP_negate_function_exit     = 0x18,
171  DW_LNE_HP_negate_front_end_logical = 0x19,
172  DW_LNE_HP_define_proc              = 0x20
173};
174
175enum DW_CHILDREN
176{
177  DW_CHILDREN_no		     =0x00,
178  DW_CHILDREN_yes		     =0x01
179};
180
181// Source language names and codes.
182enum DW_LANG
183{
184  DW_LANG_C89 = 0x0001,
185  DW_LANG_C = 0x0002,
186  DW_LANG_Ada83 = 0x0003,
187  DW_LANG_C_plus_plus = 0x0004,
188  DW_LANG_Cobol74 = 0x0005,
189  DW_LANG_Cobol85 = 0x0006,
190  DW_LANG_Fortran77 = 0x0007,
191  DW_LANG_Fortran90 = 0x0008,
192  DW_LANG_Pascal83 = 0x0009,
193  DW_LANG_Modula2 = 0x000a,
194  // DWARF 3.
195  DW_LANG_Java = 0x000b,
196  DW_LANG_C99 = 0x000c,
197  DW_LANG_Ada95 = 0x000d,
198  DW_LANG_Fortran95 = 0x000e,
199  DW_LANG_PLI = 0x000f,
200  DW_LANG_ObjC = 0x0010,
201  DW_LANG_ObjC_plus_plus = 0x0011,
202  DW_LANG_UPC = 0x0012,
203  DW_LANG_D = 0x0013,
204  // DWARF 4.
205  DW_LANG_Python = 0x0014,
206  // DWARF 5.
207  DW_LANG_Go = 0x0016,
208  DW_LANG_C_plus_plus_11 = 0x001a,
209  DW_LANG_C11 = 0x001d,
210  DW_LANG_C_plus_plus_14 = 0x0021,
211  DW_LANG_Fortran03 = 0x0022,
212  DW_LANG_Fortran08 = 0x0023,
213
214  DW_LANG_lo_user = 0x8000,	// Implementation-defined range start.
215  DW_LANG_hi_user = 0xffff,	// Implementation-defined range start.
216  // MIPS.
217  DW_LANG_Mips_Assembler = 0x8001,
218  // UPC.
219  DW_LANG_Upc = 0x8765,
220  // HP extensions.
221  DW_LANG_HP_Bliss     = 0x8003,
222  DW_LANG_HP_Basic91   = 0x8004,
223  DW_LANG_HP_Pascal91  = 0x8005,
224  DW_LANG_HP_IMacro    = 0x8006,
225  DW_LANG_HP_Assembler = 0x8007
226};
227
228// DWARF section identifiers used in the package format.
229// Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFissionDWP.
230
231enum DW_SECT
232{
233  DW_SECT_INFO = 1,
234  DW_SECT_TYPES = 2,
235  DW_SECT_ABBREV = 3,
236  DW_SECT_LINE = 4,
237  DW_SECT_LOC = 5,
238  DW_SECT_STR_OFFSETS = 6,
239  DW_SECT_MACINFO = 7,
240  DW_SECT_MACRO = 8,
241  DW_SECT_MAX = DW_SECT_MACRO,
242};
243
244} // End namespace elfcpp.
245
246#endif // !defined(ELFCPP_DWARF_H)
247