source: trunk/libs/newlib/src/include/dwarf2.h @ 577

Last change on this file since 577 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
File size: 11.9 KB
Line 
1/* Declarations and definitions of codes relating to the DWARF2 and
2   DWARF3 symbolic debugging information formats.
3   Copyright (C) 1992-2016 Free Software Foundation, Inc.
4
5   Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
6   Office (AJPO), Florida State University and Silicon Graphics Inc.
7   provided support for this effort -- June 21, 1995.
8
9   Derived from the DWARF 1 implementation written by Ron Guilmette
10   (rfg@netcom.com), November 1990.
11
12   This file is part of GCC.
13
14   GCC is free software; you can redistribute it and/or modify it under
15   the terms of the GNU General Public License as published by the Free
16   Software Foundation; either version 3, or (at your option) any later
17   version.
18
19   GCC is distributed in the hope that it will be useful, but WITHOUT
20   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
21   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
22   License for more details.
23
24   Under Section 7 of GPL version 3, you are granted additional
25   permissions described in the GCC Runtime Library Exception, version
26   3.1, as published by the Free Software Foundation.
27
28   You should have received a copy of the GNU General Public License and
29   a copy of the GCC Runtime Library Exception along with this program;
30   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
31   <http://www.gnu.org/licenses/>.  */
32
33/* This file is derived from the DWARF specification (a public document)
34   Revision 2.0.0 (July 27, 1993) developed by the UNIX International
35   Programming Languages Special Interest Group (UI/PLSIG) and distributed
36   by UNIX International.  Copies of this specification are available from
37   UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
38
39   This file also now contains definitions from the DWARF 3 specification
40   published Dec 20, 2005, available from: http://dwarf.freestandards.org.  */
41
42#ifndef _DWARF2_H
43#define _DWARF2_H
44
45#define DW_TAG(name, value) , name = value
46#define DW_TAG_DUP(name, value) , name = value
47#define DW_FORM(name, value) , name = value
48#define DW_AT(name, value) , name = value
49#define DW_AT_DUP(name, value) , name = value
50#define DW_OP(name, value) , name = value
51#define DW_OP_DUP(name, value) , name = value
52#define DW_ATE(name, value) , name = value
53#define DW_ATE_DUP(name, value) , name = value
54#define DW_CFA(name, value) , name = value
55
56#define DW_FIRST_TAG(name, value) enum dwarf_tag { \
57  name = value
58#define DW_END_TAG };
59#define DW_FIRST_FORM(name, value) enum dwarf_form { \
60  name = value
61#define DW_END_FORM };
62#define DW_FIRST_AT(name, value) enum dwarf_attribute { \
63  name = value
64#define DW_END_AT };
65#define DW_FIRST_OP(name, value) enum dwarf_location_atom { \
66  name = value
67#define DW_END_OP };
68#define DW_FIRST_ATE(name, value) enum dwarf_type { \
69  name = value
70#define DW_END_ATE };
71#define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \
72  name = value
73#define DW_END_CFA };
74
75#include "dwarf2.def"
76
77#undef DW_FIRST_TAG
78#undef DW_END_TAG
79#undef DW_FIRST_FORM
80#undef DW_END_FORM
81#undef DW_FIRST_AT
82#undef DW_END_AT
83#undef DW_FIRST_OP
84#undef DW_END_OP
85#undef DW_FIRST_ATE
86#undef DW_END_ATE
87#undef DW_FIRST_CFA
88#undef DW_END_CFA
89
90#undef DW_TAG
91#undef DW_TAG_DUP
92#undef DW_FORM
93#undef DW_AT
94#undef DW_AT_DUP
95#undef DW_OP
96#undef DW_OP_DUP
97#undef DW_ATE
98#undef DW_ATE_DUP
99#undef DW_CFA
100
101/* Flag that tells whether entry has a child or not.  */
102#define DW_children_no   0
103#define DW_children_yes  1
104
105#define DW_AT_stride_size   DW_AT_bit_stride  /* Note: The use of DW_AT_stride_size is deprecated.  */
106#define DW_AT_stride   DW_AT_byte_stride  /* Note: The use of DW_AT_stride is deprecated.  */
107
108/* Decimal sign encodings.  */
109enum dwarf_decimal_sign_encoding
110  {
111    /* DWARF 3.  */
112    DW_DS_unsigned = 0x01,
113    DW_DS_leading_overpunch = 0x02,
114    DW_DS_trailing_overpunch = 0x03,
115    DW_DS_leading_separate = 0x04,
116    DW_DS_trailing_separate = 0x05
117  };
118
119/* Endianity encodings.  */
120enum dwarf_endianity_encoding
121  {
122    /* DWARF 3.  */
123    DW_END_default = 0x00,
124    DW_END_big = 0x01,
125    DW_END_little = 0x02,
126
127    DW_END_lo_user = 0x40,
128    DW_END_hi_user = 0xff
129  };
130
131/* Array ordering names and codes.  */
132enum dwarf_array_dim_ordering
133  {
134    DW_ORD_row_major = 0,
135    DW_ORD_col_major = 1
136  };
137
138/* Access attribute.  */
139enum dwarf_access_attribute
140  {
141    DW_ACCESS_public = 1,
142    DW_ACCESS_protected = 2,
143    DW_ACCESS_private = 3
144  };
145
146/* Visibility.  */
147enum dwarf_visibility_attribute
148  {
149    DW_VIS_local = 1,
150    DW_VIS_exported = 2,
151    DW_VIS_qualified = 3
152  };
153
154/* Virtuality.  */
155enum dwarf_virtuality_attribute
156  {
157    DW_VIRTUALITY_none = 0,
158    DW_VIRTUALITY_virtual = 1,
159    DW_VIRTUALITY_pure_virtual = 2
160  };
161
162/* Case sensitivity.  */
163enum dwarf_id_case
164  {
165    DW_ID_case_sensitive = 0,
166    DW_ID_up_case = 1,
167    DW_ID_down_case = 2,
168    DW_ID_case_insensitive = 3
169  };
170
171/* Calling convention.  */
172enum dwarf_calling_convention
173  {
174    DW_CC_normal = 0x1,
175    DW_CC_program = 0x2,
176    DW_CC_nocall = 0x3,
177
178    DW_CC_lo_user = 0x40,
179    DW_CC_hi_user = 0xff,
180
181    DW_CC_GNU_renesas_sh = 0x40,
182    DW_CC_GNU_borland_fastcall_i386 = 0x41,
183
184    /* This DW_CC_ value is not currently generated by any toolchain.  It is
185       used internally to GDB to indicate OpenCL C functions that have been
186       compiled with the IBM XL C for OpenCL compiler and use a non-platform
187       calling convention for passing OpenCL C vector types.  This value may
188       be changed freely as long as it does not conflict with any other DW_CC_
189       value defined here.  */
190    DW_CC_GDB_IBM_OpenCL = 0xff
191  };
192
193/* Inline attribute.  */
194enum dwarf_inline_attribute
195  {
196    DW_INL_not_inlined = 0,
197    DW_INL_inlined = 1,
198    DW_INL_declared_not_inlined = 2,
199    DW_INL_declared_inlined = 3
200  };
201
202/* Discriminant lists.  */
203enum dwarf_discrim_list
204  {
205    DW_DSC_label = 0,
206    DW_DSC_range = 1
207  };
208
209/* Line number opcodes.  */
210enum dwarf_line_number_ops
211  {
212    DW_LNS_extended_op = 0,
213    DW_LNS_copy = 1,
214    DW_LNS_advance_pc = 2,
215    DW_LNS_advance_line = 3,
216    DW_LNS_set_file = 4,
217    DW_LNS_set_column = 5,
218    DW_LNS_negate_stmt = 6,
219    DW_LNS_set_basic_block = 7,
220    DW_LNS_const_add_pc = 8,
221    DW_LNS_fixed_advance_pc = 9,
222    /* DWARF 3.  */
223    DW_LNS_set_prologue_end = 10,
224    DW_LNS_set_epilogue_begin = 11,
225    DW_LNS_set_isa = 12
226  };
227
228/* Line number extended opcodes.  */
229enum dwarf_line_number_x_ops
230  {
231    DW_LNE_end_sequence = 1,
232    DW_LNE_set_address = 2,
233    DW_LNE_define_file = 3,
234    DW_LNE_set_discriminator = 4,
235    /* HP extensions.  */
236    DW_LNE_HP_negate_is_UV_update      = 0x11,
237    DW_LNE_HP_push_context             = 0x12,
238    DW_LNE_HP_pop_context              = 0x13,
239    DW_LNE_HP_set_file_line_column     = 0x14,
240    DW_LNE_HP_set_routine_name         = 0x15,
241    DW_LNE_HP_set_sequence             = 0x16,
242    DW_LNE_HP_negate_post_semantics    = 0x17,
243    DW_LNE_HP_negate_function_exit     = 0x18,
244    DW_LNE_HP_negate_front_end_logical = 0x19,
245    DW_LNE_HP_define_proc              = 0x20,
246    DW_LNE_HP_source_file_correlation  = 0x80,
247
248    DW_LNE_lo_user = 0x80,
249    DW_LNE_hi_user = 0xff
250  };
251
252/* Sub-opcodes for DW_LNE_HP_source_file_correlation.  */
253enum dwarf_line_number_hp_sfc_ops
254  {
255    DW_LNE_HP_SFC_formfeed = 1,
256    DW_LNE_HP_SFC_set_listing_line = 2,
257    DW_LNE_HP_SFC_associate = 3
258  };
259
260/* Type codes for location list entries.
261   Extension for Fission.  See http://gcc.gnu.org/wiki/DebugFission.  */
262
263enum dwarf_location_list_entry_type
264  {
265    DW_LLE_GNU_end_of_list_entry = 0,
266    DW_LLE_GNU_base_address_selection_entry = 1,
267    DW_LLE_GNU_start_end_entry = 2,
268    DW_LLE_GNU_start_length_entry = 3
269  };
270
271#define DW_CIE_ID         0xffffffff
272#define DW64_CIE_ID       0xffffffffffffffffULL
273#define DW_CIE_VERSION    1
274
275#define DW_CFA_extended   0
276
277#define DW_CHILDREN_no               0x00
278#define DW_CHILDREN_yes              0x01
279
280#define DW_ADDR_none            0
281
282/* Source language names and codes.  */
283enum dwarf_source_language
284  {
285    DW_LANG_C89 = 0x0001,
286    DW_LANG_C = 0x0002,
287    DW_LANG_Ada83 = 0x0003,
288    DW_LANG_C_plus_plus = 0x0004,
289    DW_LANG_Cobol74 = 0x0005,
290    DW_LANG_Cobol85 = 0x0006,
291    DW_LANG_Fortran77 = 0x0007,
292    DW_LANG_Fortran90 = 0x0008,
293    DW_LANG_Pascal83 = 0x0009,
294    DW_LANG_Modula2 = 0x000a,
295    /* DWARF 3.  */
296    DW_LANG_Java = 0x000b,
297    DW_LANG_C99 = 0x000c,
298    DW_LANG_Ada95 = 0x000d,
299    DW_LANG_Fortran95 = 0x000e,
300    DW_LANG_PLI = 0x000f,
301    DW_LANG_ObjC = 0x0010,
302    DW_LANG_ObjC_plus_plus = 0x0011,
303    DW_LANG_UPC = 0x0012,
304    DW_LANG_D = 0x0013,
305    /* DWARF 4.  */
306    DW_LANG_Python = 0x0014,
307    /* DWARF 5.  */
308    DW_LANG_Go = 0x0016,
309
310    DW_LANG_C_plus_plus_11 = 0x001a, /* dwarf5.20141029.pdf DRAFT */
311    DW_LANG_Rust = 0x001c,
312    DW_LANG_C11 = 0x001d,
313    DW_LANG_C_plus_plus_14 = 0x0021,
314    DW_LANG_Fortran03 = 0x0022,
315    DW_LANG_Fortran08 = 0x0023,
316
317    DW_LANG_lo_user = 0x8000,   /* Implementation-defined range start.  */
318    DW_LANG_hi_user = 0xffff,   /* Implementation-defined range start.  */
319
320    /* MIPS.  */
321    DW_LANG_Mips_Assembler = 0x8001,
322    /* UPC.  */
323    DW_LANG_Upc = 0x8765,
324    /* HP extensions.  */
325    DW_LANG_HP_Bliss     = 0x8003,
326    DW_LANG_HP_Basic91   = 0x8004,
327    DW_LANG_HP_Pascal91  = 0x8005,
328    DW_LANG_HP_IMacro    = 0x8006,
329    DW_LANG_HP_Assembler = 0x8007,
330
331    /* Rust extension, but replaced in DWARF 5.  */
332    DW_LANG_Rust_old = 0x9000
333  };
334
335/* Names and codes for macro information.  */
336enum dwarf_macinfo_record_type
337  {
338    DW_MACINFO_define = 1,
339    DW_MACINFO_undef = 2,
340    DW_MACINFO_start_file = 3,
341    DW_MACINFO_end_file = 4,
342    DW_MACINFO_vendor_ext = 255
343  };
344
345/* Names and codes for new style macro information.  */
346enum dwarf_macro_record_type
347  {
348    DW_MACRO_GNU_define = 1,
349    DW_MACRO_GNU_undef = 2,
350    DW_MACRO_GNU_start_file = 3,
351    DW_MACRO_GNU_end_file = 4,
352    DW_MACRO_GNU_define_indirect = 5,
353    DW_MACRO_GNU_undef_indirect = 6,
354    DW_MACRO_GNU_transparent_include = 7,
355    /* Extensions for DWZ multifile.
356       See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open .  */
357    DW_MACRO_GNU_define_indirect_alt = 8,
358    DW_MACRO_GNU_undef_indirect_alt = 9,
359    DW_MACRO_GNU_transparent_include_alt = 10,
360    DW_MACRO_GNU_lo_user = 0xe0,
361    DW_MACRO_GNU_hi_user = 0xff
362  };
363
364/* @@@ For use with GNU frame unwind information.  */
365
366#define DW_EH_PE_absptr         0x00
367#define DW_EH_PE_omit           0xff
368
369#define DW_EH_PE_uleb128        0x01
370#define DW_EH_PE_udata2         0x02
371#define DW_EH_PE_udata4         0x03
372#define DW_EH_PE_udata8         0x04
373#define DW_EH_PE_sleb128        0x09
374#define DW_EH_PE_sdata2         0x0A
375#define DW_EH_PE_sdata4         0x0B
376#define DW_EH_PE_sdata8         0x0C
377#define DW_EH_PE_signed         0x08
378
379#define DW_EH_PE_pcrel          0x10
380#define DW_EH_PE_textrel        0x20
381#define DW_EH_PE_datarel        0x30
382#define DW_EH_PE_funcrel        0x40
383#define DW_EH_PE_aligned        0x50
384
385#define DW_EH_PE_indirect       0x80
386
387/* Codes for the debug sections in a dwarf package (.dwp) file.
388   Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFissionDWP.  */
389enum dwarf_sect
390  {
391    DW_SECT_INFO = 1,
392    DW_SECT_TYPES = 2,
393    DW_SECT_ABBREV = 3,
394    DW_SECT_LINE = 4,
395    DW_SECT_LOC = 5,
396    DW_SECT_STR_OFFSETS = 6,
397    DW_SECT_MACINFO = 7,
398    DW_SECT_MACRO = 8,
399    DW_SECT_MAX = 8
400  };
401
402#ifdef __cplusplus
403extern "C" {
404#endif /* __cplusplus */
405
406/* Return the name of a DW_TAG_ constant, or NULL if the value is not
407   recognized.  */
408extern const char *get_DW_TAG_name (unsigned int tag);
409
410/* Return the name of a DW_AT_ constant, or NULL if the value is not
411   recognized.  */
412extern const char *get_DW_AT_name (unsigned int attr);
413
414/* Return the name of a DW_FORM_ constant, or NULL if the value is not
415   recognized.  */
416extern const char *get_DW_FORM_name (unsigned int form);
417
418/* Return the name of a DW_OP_ constant, or NULL if the value is not
419   recognized.  */
420extern const char *get_DW_OP_name (unsigned int op);
421
422/* Return the name of a DW_ATE_ constant, or NULL if the value is not
423   recognized.  */
424extern const char *get_DW_ATE_name (unsigned int enc);
425
426/* Return the name of a DW_CFA_ constant, or NULL if the value is not
427   recognized.  */
428extern const char *get_DW_CFA_name (unsigned int opc);
429
430#ifdef __cplusplus
431}
432#endif /* __cplusplus */
433
434#endif /* _DWARF2_H */
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