source: Daodan/MSYS2/mingw32/include/binutils/ctf-api.h@ 1180

Last change on this file since 1180 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env
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1/* Public API to libctf.
2 Copyright (C) 2019-2021 Free Software Foundation, Inc.
3
4 This file is part of libctf.
5
6 libctf is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
10
11 This program is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 See the GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; see the file COPYING. If not see
18 <http://www.gnu.org/licenses/>. */
19
20/* This header file defines the interfaces available from the CTF debugger
21 library, libctf. This API can be used by a debugger to operate on data in
22 the Compact ANSI-C Type Format (CTF). */
23
24#ifndef _CTF_API_H
25#define _CTF_API_H
26
27#include <sys/types.h>
28#include <ctf.h>
29#include <zlib.h>
30
31#ifdef __cplusplus
32extern "C"
33{
34#endif
35
36/* Clients can open one or more CTF containers and obtain a pointer to an
37 opaque ctf_dict_t. Types are identified by an opaque ctf_id_t token.
38 They can also open or create read-only archives of CTF containers in a
39 ctf_archive_t.
40
41 These opaque definitions allow libctf to evolve without breaking clients. */
42
43typedef struct ctf_dict ctf_dict_t;
44typedef struct ctf_archive_internal ctf_archive_t;
45typedef unsigned long ctf_id_t;
46
47/* This opaque definition allows libctf to accept BFD data structures without
48 importing all the BFD noise into users' namespaces. */
49
50struct bfd;
51
52/* If the debugger needs to provide the CTF library with a set of raw buffers
53 for use as the CTF data, symbol table, and string table, it can do so by
54 filling in ctf_sect_t structures and passing them to ctf_bufopen.
55
56 The contents of this structure must always be in native endianness. At read
57 time, the symbol table endianness is derived from the BFD target (if BFD is
58 in use): if a BFD target is not in use, please call ctf_symsect_endianness or
59 ctf_arc_symsect_endianness. */
60
61typedef struct ctf_sect
62{
63 const char *cts_name; /* Section name (if any). */
64 const void *cts_data; /* Pointer to section data. */
65 size_t cts_size; /* Size of data in bytes. */
66 size_t cts_entsize; /* Size of each section entry (symtab only). */
67} ctf_sect_t;
68
69/* A minimal symbol extracted from a linker's internal symbol table
70 representation. The symbol name can be given either via st_name or via a
71 strtab offset in st_nameidx, which corresponds to one of the string offsets
72 communicated via the ctf_link_add_strtab callback. */
73
74typedef struct ctf_link_sym
75{
76 /* The st_name and st_nameidx will not be accessed outside the call to
77 ctf_link_shuffle_syms. If you set st_nameidx to offset zero, make sure
78 to set st_nameidx_set as well. */
79
80 const char *st_name;
81 size_t st_nameidx;
82 int st_nameidx_set;
83 uint32_t st_symidx;
84 uint32_t st_shndx;
85 uint32_t st_type;
86 uint32_t st_value;
87} ctf_link_sym_t;
88
89/* Flags applying to this specific link. */
90
91/* Share all types that are not in conflict. The default. */
92#define CTF_LINK_SHARE_UNCONFLICTED 0x0
93
94/* Share only types that are used by multiple inputs. */
95#define CTF_LINK_SHARE_DUPLICATED 0x1
96
97/* Do a nondeduplicating link, or otherwise deduplicate "less hard", trading off
98 CTF output size for link time. */
99#define CTF_LINK_NONDEDUP 0x2
100
101/* Create empty outputs for all registered CU mappings even if no types are
102 emitted into them. */
103#define CTF_LINK_EMPTY_CU_MAPPINGS 0x4
104
105/* Omit the content of the variables section. */
106#define CTF_LINK_OMIT_VARIABLES_SECTION 0x8
107
108/* If *unset*, filter out entries corresponding to linker-reported symbols
109 from the variable section, and filter out all entries with no linker-reported
110 symbols from the data object and function info sections: if set, do no
111 filtering and leave all entries in place. (This is a negative-sense flag
112 because it is rare to want symbols the linker has not reported as present to
113 stick around in the symtypetab sections nonetheless: relocatable links are
114 the only likely case.) */
115#define CTF_LINK_NO_FILTER_REPORTED_SYMS 0x10
116
117/* Symbolic names for CTF sections. */
118
119typedef enum ctf_sect_names
120 {
121 CTF_SECT_HEADER,
122 CTF_SECT_LABEL,
123 CTF_SECT_OBJT,
124 CTF_SECT_OBJTIDX = CTF_SECT_OBJT,
125 CTF_SECT_FUNC,
126 CTF_SECT_FUNCIDX = CTF_SECT_FUNC,
127 CTF_SECT_VAR,
128 CTF_SECT_TYPE,
129 CTF_SECT_STR
130 } ctf_sect_names_t;
131
132/* Encoding information for integers, floating-point values, and certain other
133 intrinsics can be obtained by calling ctf_type_encoding, below. The flags
134 field will contain values appropriate for the type defined in <ctf.h>. */
135
136typedef struct ctf_encoding
137{
138 uint32_t cte_format; /* Data format (CTF_INT_* or CTF_FP_* flags). */
139 uint32_t cte_offset; /* Offset of value in bits. */
140 uint32_t cte_bits; /* Size of storage in bits. */
141} ctf_encoding_t;
142
143typedef struct ctf_membinfo
144{
145 ctf_id_t ctm_type; /* Type of struct or union member. */
146 unsigned long ctm_offset; /* Offset of member in bits. */
147} ctf_membinfo_t;
148
149typedef struct ctf_arinfo
150{
151 ctf_id_t ctr_contents; /* Type of array contents. */
152 ctf_id_t ctr_index; /* Type of array index. */
153 uint32_t ctr_nelems; /* Number of elements. */
154} ctf_arinfo_t;
155
156typedef struct ctf_funcinfo
157{
158 ctf_id_t ctc_return; /* Function return type. */
159 uint32_t ctc_argc; /* Number of typed arguments to function. */
160 uint32_t ctc_flags; /* Function attributes (see below). */
161} ctf_funcinfo_t;
162
163typedef struct ctf_lblinfo
164{
165 ctf_id_t ctb_type; /* Last type associated with the label. */
166} ctf_lblinfo_t;
167
168typedef struct ctf_snapshot_id
169{
170 unsigned long dtd_id; /* Highest DTD ID at time of snapshot. */
171 unsigned long snapshot_id; /* Snapshot id at time of snapshot. */
172} ctf_snapshot_id_t;
173
174#define CTF_FUNC_VARARG 0x1 /* Function arguments end with varargs. */
175
176/* Functions that return a ctf_id_t use the following value to indicate failure.
177 ctf_errno can be used to obtain an error code. Functions that return
178 a straight integral -1 also use ctf_errno. */
179#define CTF_ERR ((ctf_id_t) -1L)
180
181/* This macro holds information about all the available ctf errors.
182 It is used to form both an enum holding all the error constants,
183 and also the error strings themselves. To use, define _CTF_FIRST
184 and _CTF_ITEM to expand as you like, then mention the macro name.
185 See the enum after this for an example. */
186#define _CTF_ERRORS \
187 _CTF_FIRST (ECTF_FMT, "File is not in CTF or ELF format.") \
188 _CTF_ITEM (ECTF_BFDERR, "BFD error.") \
189 _CTF_ITEM (ECTF_CTFVERS, "CTF dict version is too new for libctf.") \
190 _CTF_ITEM (ECTF_BFD_AMBIGUOUS, "Ambiguous BFD target.") \
191 _CTF_ITEM (ECTF_SYMTAB, "Symbol table uses invalid entry size.") \
192 _CTF_ITEM (ECTF_SYMBAD, "Symbol table data buffer is not valid.") \
193 _CTF_ITEM (ECTF_STRBAD, "String table data buffer is not valid.") \
194 _CTF_ITEM (ECTF_CORRUPT, "File data structure corruption detected.") \
195 _CTF_ITEM (ECTF_NOCTFDATA, "File does not contain CTF data.") \
196 _CTF_ITEM (ECTF_NOCTFBUF, "Buffer does not contain CTF data.") \
197 _CTF_ITEM (ECTF_NOSYMTAB, "Symbol table information is not available.") \
198 _CTF_ITEM (ECTF_NOPARENT, "The parent CTF dictionary is unavailable.") \
199 _CTF_ITEM (ECTF_DMODEL, "Data model mismatch.") \
200 _CTF_ITEM (ECTF_LINKADDEDLATE, "File added to link too late.") \
201 _CTF_ITEM (ECTF_ZALLOC, "Failed to allocate (de)compression buffer.") \
202 _CTF_ITEM (ECTF_DECOMPRESS, "Failed to decompress CTF data.") \
203 _CTF_ITEM (ECTF_STRTAB, "External string table is not available.") \
204 _CTF_ITEM (ECTF_BADNAME, "String name offset is corrupt.") \
205 _CTF_ITEM (ECTF_BADID, "Invalid type identifier.") \
206 _CTF_ITEM (ECTF_NOTSOU, "Type is not a struct or union.") \
207 _CTF_ITEM (ECTF_NOTENUM, "Type is not an enum.") \
208 _CTF_ITEM (ECTF_NOTSUE, "Type is not a struct, union, or enum.") \
209 _CTF_ITEM (ECTF_NOTINTFP, "Type is not an integer, float, or enum.") \
210 _CTF_ITEM (ECTF_NOTARRAY, "Type is not an array.") \
211 _CTF_ITEM (ECTF_NOTREF, "Type does not reference another type.") \
212 _CTF_ITEM (ECTF_NAMELEN, "Buffer is too small to hold type name.") \
213 _CTF_ITEM (ECTF_NOTYPE, "No type found corresponding to name.") \
214 _CTF_ITEM (ECTF_SYNTAX, "Syntax error in type name.") \
215 _CTF_ITEM (ECTF_NOTFUNC, "Symbol table entry or type is not a function.") \
216 _CTF_ITEM (ECTF_NOFUNCDAT, "No function information available for function.") \
217 _CTF_ITEM (ECTF_NOTDATA, "Symbol table entry does not refer to a data object.") \
218 _CTF_ITEM (ECTF_NOTYPEDAT, "No type information available for symbol.") \
219 _CTF_ITEM (ECTF_NOLABEL, "No label found corresponding to name.") \
220 _CTF_ITEM (ECTF_NOLABELDATA, "File does not contain any labels.") \
221 _CTF_ITEM (ECTF_NOTSUP, "Feature not supported.") \
222 _CTF_ITEM (ECTF_NOENUMNAM, "Enum element name not found.") \
223 _CTF_ITEM (ECTF_NOMEMBNAM, "Member name not found.") \
224 _CTF_ITEM (ECTF_RDONLY, "CTF container is read-only.") \
225 _CTF_ITEM (ECTF_DTFULL, "CTF type is full (no more members allowed).") \
226 _CTF_ITEM (ECTF_FULL, "CTF container is full.") \
227 _CTF_ITEM (ECTF_DUPLICATE, "Duplicate member or variable name.") \
228 _CTF_ITEM (ECTF_CONFLICT, "Conflicting type is already defined.") \
229 _CTF_ITEM (ECTF_OVERROLLBACK, "Attempt to roll back past a ctf_update.") \
230 _CTF_ITEM (ECTF_COMPRESS, "Failed to compress CTF data.") \
231 _CTF_ITEM (ECTF_ARCREATE, "Error creating CTF archive.") \
232 _CTF_ITEM (ECTF_ARNNAME, "Name not found in CTF archive.") \
233 _CTF_ITEM (ECTF_SLICEOVERFLOW, "Overflow of type bitness or offset in slice.") \
234 _CTF_ITEM (ECTF_DUMPSECTUNKNOWN, "Unknown section number in dump.") \
235 _CTF_ITEM (ECTF_DUMPSECTCHANGED, "Section changed in middle of dump.") \
236 _CTF_ITEM (ECTF_NOTYET, "Feature not yet implemented.") \
237 _CTF_ITEM (ECTF_INTERNAL, "Internal error: assertion failure.") \
238 _CTF_ITEM (ECTF_NONREPRESENTABLE, "Type not representable in CTF.") \
239 _CTF_ITEM (ECTF_NEXT_END, "End of iteration.") \
240 _CTF_ITEM (ECTF_NEXT_WRONGFUN, "Wrong iteration function called.") \
241 _CTF_ITEM (ECTF_NEXT_WRONGFP, "Iteration entity changed in mid-iterate.") \
242 _CTF_ITEM (ECTF_FLAGS, "CTF header contains flags unknown to libctf.") \
243 _CTF_ITEM (ECTF_NEEDSBFD, "This feature needs a libctf with BFD support.") \
244 _CTF_ITEM (ECTF_INCOMPLETE, "Type is not a complete type.") \
245 _CTF_ITEM (ECTF_NONAME, "Type name must not be empty.")
246
247#define ECTF_BASE 1000 /* Base value for libctf errnos. */
248
249enum
250 {
251#define _CTF_FIRST(NAME, STR) NAME = ECTF_BASE
252#define _CTF_ITEM(NAME, STR) , NAME
253_CTF_ERRORS
254#undef _CTF_ITEM
255#undef _CTF_FIRST
256 };
257
258#define ECTF_NERR (ECTF_NONAME - ECTF_BASE + 1) /* Count of CTF errors. */
259
260/* The CTF data model is inferred to be the caller's data model or the data
261 model of the given object, unless ctf_setmodel is explicitly called. */
262#define CTF_MODEL_ILP32 1 /* Object data model is ILP32. */
263#define CTF_MODEL_LP64 2 /* Object data model is LP64. */
264#ifdef _LP64
265# define CTF_MODEL_NATIVE CTF_MODEL_LP64
266#else
267# define CTF_MODEL_NATIVE CTF_MODEL_ILP32
268#endif
269
270/* Dynamic CTF containers can be created using ctf_create. The ctf_add_*
271 routines can be used to add new definitions to the dynamic container.
272 New types are labeled as root or non-root to determine whether they are
273 visible at the top-level program scope when subsequently doing a lookup. */
274
275#define CTF_ADD_NONROOT 0 /* Type only visible in nested scope. */
276#define CTF_ADD_ROOT 1 /* Type visible at top-level scope. */
277
278/* Flags for ctf_member_next. */
279
280#define CTF_MN_RECURSE 0x1 /* Recurse into unnamed members. */
281
282/* These typedefs are used to define the signature for callback functions that
283 can be used with the iteration and visit functions below. There is also a
284 family of iteration functions that do not require callbacks. */
285
286typedef int ctf_visit_f (const char *name, ctf_id_t type, unsigned long offset,
287 int depth, void *arg);
288typedef int ctf_member_f (const char *name, ctf_id_t membtype,
289 unsigned long offset, void *arg);
290typedef int ctf_enum_f (const char *name, int val, void *arg);
291typedef int ctf_variable_f (const char *name, ctf_id_t type, void *arg);
292typedef int ctf_type_f (ctf_id_t type, void *arg);
293typedef int ctf_type_all_f (ctf_id_t type, int flag, void *arg);
294typedef int ctf_label_f (const char *name, const ctf_lblinfo_t *info,
295 void *arg);
296typedef int ctf_archive_member_f (ctf_dict_t *fp, const char *name, void *arg);
297typedef int ctf_archive_raw_member_f (const char *name, const void *content,
298 size_t len, void *arg);
299typedef char *ctf_dump_decorate_f (ctf_sect_names_t sect,
300 char *line, void *arg);
301
302typedef struct ctf_dump_state ctf_dump_state_t;
303
304/* Iteration state for the _next functions, and allocators/copiers/freers for
305 it. (None of these are needed for the simple case of iterating to the end:
306 the _next function allocate and free the iterators for you.) */
307
308typedef struct ctf_next ctf_next_t;
309extern ctf_next_t *ctf_next_create (void);
310extern void ctf_next_destroy (ctf_next_t *);
311extern ctf_next_t *ctf_next_copy (ctf_next_t *);
312
313/* Opening. These mostly return an abstraction over both CTF files and CTF
314 archives: so they can be used to open both. CTF files will appear to be an
315 archive with one member named '.ctf'. The low-level functions
316 ctf_simple_open and ctf_bufopen return ctf_dict_t's directly, and cannot
317 be used on CTF archives. */
318
319extern ctf_archive_t *ctf_bfdopen (struct bfd *, int *);
320extern ctf_archive_t *ctf_bfdopen_ctfsect (struct bfd *, const ctf_sect_t *,
321 int *);
322extern ctf_archive_t *ctf_fdopen (int fd, const char *filename,
323 const char *target, int *errp);
324extern ctf_archive_t *ctf_open (const char *filename,
325 const char *target, int *errp);
326extern void ctf_close (ctf_archive_t *);
327extern ctf_sect_t ctf_getdatasect (const ctf_dict_t *);
328extern ctf_sect_t ctf_getsymsect (const ctf_dict_t *);
329extern ctf_sect_t ctf_getstrsect (const ctf_dict_t *);
330extern void ctf_symsect_endianness (ctf_dict_t *, int little_endian);
331extern ctf_archive_t *ctf_get_arc (const ctf_dict_t *);
332extern ctf_archive_t *ctf_arc_open (const char *, int *);
333extern ctf_archive_t *ctf_arc_bufopen (const ctf_sect_t *,
334 const ctf_sect_t *,
335 const ctf_sect_t *,
336 int *);
337extern void ctf_arc_symsect_endianness (ctf_archive_t *, int little_endian);
338extern void ctf_arc_close (ctf_archive_t *);
339extern ctf_dict_t *ctf_arc_lookup_symbol (ctf_archive_t *,
340 unsigned long symidx,
341 ctf_id_t *, int *errp);
342extern ctf_dict_t *ctf_arc_lookup_symbol_name (ctf_archive_t *,
343 const char *name,
344 ctf_id_t *, int *errp);
345extern void ctf_arc_flush_caches (ctf_archive_t *);
346extern ctf_dict_t *ctf_dict_open (const ctf_archive_t *,
347 const char *, int *);
348extern ctf_dict_t *ctf_dict_open_sections (const ctf_archive_t *,
349 const ctf_sect_t *,
350 const ctf_sect_t *,
351 const char *, int *);
352extern size_t ctf_archive_count (const ctf_archive_t *);
353
354/* The next functions return or close real CTF files, or write out CTF archives,
355 not opaque containers around either. */
356
357extern ctf_dict_t *ctf_simple_open (const char *, size_t, const char *, size_t,
358 size_t, const char *, size_t, int *);
359extern ctf_dict_t *ctf_bufopen (const ctf_sect_t *, const ctf_sect_t *,
360 const ctf_sect_t *, int *);
361extern void ctf_ref (ctf_dict_t *);
362extern void ctf_dict_close (ctf_dict_t *);
363
364extern int ctf_arc_write (const char *, ctf_dict_t **, size_t,
365 const char **, size_t);
366extern int ctf_arc_write_fd (int, ctf_dict_t **, size_t, const char **,
367 size_t);
368
369extern const char *ctf_cuname (ctf_dict_t *);
370extern int ctf_cuname_set (ctf_dict_t *, const char *);
371extern ctf_dict_t *ctf_parent_dict (ctf_dict_t *);
372extern const char *ctf_parent_name (ctf_dict_t *);
373extern int ctf_parent_name_set (ctf_dict_t *, const char *);
374extern int ctf_type_isparent (ctf_dict_t *, ctf_id_t);
375extern int ctf_type_ischild (ctf_dict_t *, ctf_id_t);
376
377extern int ctf_import (ctf_dict_t *, ctf_dict_t *);
378extern int ctf_setmodel (ctf_dict_t *, int);
379extern int ctf_getmodel (ctf_dict_t *);
380
381extern void ctf_setspecific (ctf_dict_t *, void *);
382extern void *ctf_getspecific (ctf_dict_t *);
383
384extern int ctf_errno (ctf_dict_t *);
385extern const char *ctf_errmsg (int);
386extern int ctf_version (int);
387
388extern int ctf_func_info (ctf_dict_t *, unsigned long, ctf_funcinfo_t *);
389extern int ctf_func_args (ctf_dict_t *, unsigned long, uint32_t, ctf_id_t *);
390extern int ctf_func_type_info (ctf_dict_t *, ctf_id_t, ctf_funcinfo_t *);
391extern int ctf_func_type_args (ctf_dict_t *, ctf_id_t, uint32_t, ctf_id_t *);
392
393extern ctf_id_t ctf_lookup_by_name (ctf_dict_t *, const char *);
394extern ctf_id_t ctf_lookup_by_symbol (ctf_dict_t *, unsigned long);
395extern ctf_id_t ctf_lookup_by_symbol_name (ctf_dict_t *, const char *);
396extern ctf_id_t ctf_symbol_next (ctf_dict_t *, ctf_next_t **,
397 const char **name, int functions);
398extern ctf_id_t ctf_lookup_variable (ctf_dict_t *, const char *);
399
400extern ctf_id_t ctf_type_resolve (ctf_dict_t *, ctf_id_t);
401extern char *ctf_type_aname (ctf_dict_t *, ctf_id_t);
402extern char *ctf_type_aname_raw (ctf_dict_t *, ctf_id_t);
403extern ssize_t ctf_type_lname (ctf_dict_t *, ctf_id_t, char *, size_t);
404extern char *ctf_type_name (ctf_dict_t *, ctf_id_t, char *, size_t);
405extern const char *ctf_type_name_raw (ctf_dict_t *, ctf_id_t);
406extern ssize_t ctf_type_size (ctf_dict_t *, ctf_id_t);
407extern ssize_t ctf_type_align (ctf_dict_t *, ctf_id_t);
408extern int ctf_type_kind (ctf_dict_t *, ctf_id_t);
409extern int ctf_type_kind_forwarded (ctf_dict_t *, ctf_id_t);
410extern ctf_id_t ctf_type_reference (ctf_dict_t *, ctf_id_t);
411extern ctf_id_t ctf_type_pointer (ctf_dict_t *, ctf_id_t);
412extern int ctf_type_encoding (ctf_dict_t *, ctf_id_t, ctf_encoding_t *);
413extern int ctf_type_visit (ctf_dict_t *, ctf_id_t, ctf_visit_f *, void *);
414extern int ctf_type_cmp (ctf_dict_t *, ctf_id_t, ctf_dict_t *, ctf_id_t);
415extern int ctf_type_compat (ctf_dict_t *, ctf_id_t, ctf_dict_t *, ctf_id_t);
416
417extern int ctf_member_info (ctf_dict_t *, ctf_id_t, const char *,
418 ctf_membinfo_t *);
419extern int ctf_array_info (ctf_dict_t *, ctf_id_t, ctf_arinfo_t *);
420
421extern const char *ctf_enum_name (ctf_dict_t *, ctf_id_t, int);
422extern int ctf_enum_value (ctf_dict_t *, ctf_id_t, const char *, int *);
423
424extern void ctf_label_set (ctf_dict_t *, const char *);
425extern const char *ctf_label_get (ctf_dict_t *);
426
427extern const char *ctf_label_topmost (ctf_dict_t *);
428extern int ctf_label_info (ctf_dict_t *, const char *, ctf_lblinfo_t *);
429
430extern int ctf_member_count (ctf_dict_t *, ctf_id_t);
431extern int ctf_member_iter (ctf_dict_t *, ctf_id_t, ctf_member_f *, void *);
432extern ssize_t ctf_member_next (ctf_dict_t *, ctf_id_t, ctf_next_t **,
433 const char **name, ctf_id_t *membtype,
434 int flags);
435extern int ctf_enum_iter (ctf_dict_t *, ctf_id_t, ctf_enum_f *, void *);
436extern const char *ctf_enum_next (ctf_dict_t *, ctf_id_t, ctf_next_t **,
437 int *);
438extern int ctf_type_iter (ctf_dict_t *, ctf_type_f *, void *);
439extern int ctf_type_iter_all (ctf_dict_t *, ctf_type_all_f *, void *);
440extern ctf_id_t ctf_type_next (ctf_dict_t *, ctf_next_t **,
441 int *flag, int want_hidden);
442extern int ctf_label_iter (ctf_dict_t *, ctf_label_f *, void *);
443extern int ctf_label_next (ctf_dict_t *, ctf_next_t **, const char **); /* TBD */
444extern int ctf_variable_iter (ctf_dict_t *, ctf_variable_f *, void *);
445extern ctf_id_t ctf_variable_next (ctf_dict_t *, ctf_next_t **,
446 const char **);
447extern int ctf_archive_iter (const ctf_archive_t *, ctf_archive_member_f *,
448 void *);
449extern ctf_dict_t *ctf_archive_next (const ctf_archive_t *, ctf_next_t **,
450 const char **, int skip_parent, int *errp);
451
452/* This function alone does not currently operate on CTF files masquerading
453 as archives, and returns -EINVAL: the raw data is no longer available. It is
454 expected to be used only by archiving tools, in any case, which have no need
455 to deal with non-archives at all. */
456extern int ctf_archive_raw_iter (const ctf_archive_t *,
457 ctf_archive_raw_member_f *, void *);
458extern char *ctf_dump (ctf_dict_t *, ctf_dump_state_t **state,
459 ctf_sect_names_t sect, ctf_dump_decorate_f *,
460 void *arg);
461
462/* Error-warning reporting: an 'iterator' that returns errors and warnings from
463 the error/warning list, in order of emission. Errors and warnings are popped
464 after return: the caller must free the returned error-text pointer. */
465extern char *ctf_errwarning_next (ctf_dict_t *, ctf_next_t **,
466 int *is_warning, int *errp);
467
468extern ctf_id_t ctf_add_array (ctf_dict_t *, uint32_t,
469 const ctf_arinfo_t *);
470extern ctf_id_t ctf_add_const (ctf_dict_t *, uint32_t, ctf_id_t);
471extern ctf_id_t ctf_add_enum_encoded (ctf_dict_t *, uint32_t, const char *,
472 const ctf_encoding_t *);
473extern ctf_id_t ctf_add_enum (ctf_dict_t *, uint32_t, const char *);
474extern ctf_id_t ctf_add_float (ctf_dict_t *, uint32_t,
475 const char *, const ctf_encoding_t *);
476extern ctf_id_t ctf_add_forward (ctf_dict_t *, uint32_t, const char *,
477 uint32_t);
478extern ctf_id_t ctf_add_function (ctf_dict_t *, uint32_t,
479 const ctf_funcinfo_t *, const ctf_id_t *);
480extern ctf_id_t ctf_add_integer (ctf_dict_t *, uint32_t, const char *,
481 const ctf_encoding_t *);
482extern ctf_id_t ctf_add_slice (ctf_dict_t *, uint32_t, ctf_id_t, const ctf_encoding_t *);
483extern ctf_id_t ctf_add_pointer (ctf_dict_t *, uint32_t, ctf_id_t);
484extern ctf_id_t ctf_add_type (ctf_dict_t *, ctf_dict_t *, ctf_id_t);
485extern ctf_id_t ctf_add_typedef (ctf_dict_t *, uint32_t, const char *,
486 ctf_id_t);
487extern ctf_id_t ctf_add_restrict (ctf_dict_t *, uint32_t, ctf_id_t);
488extern ctf_id_t ctf_add_struct (ctf_dict_t *, uint32_t, const char *);
489extern ctf_id_t ctf_add_union (ctf_dict_t *, uint32_t, const char *);
490extern ctf_id_t ctf_add_struct_sized (ctf_dict_t *, uint32_t, const char *,
491 size_t);
492extern ctf_id_t ctf_add_union_sized (ctf_dict_t *, uint32_t, const char *,
493 size_t);
494extern ctf_id_t ctf_add_unknown (ctf_dict_t *, uint32_t, const char *);
495extern ctf_id_t ctf_add_volatile (ctf_dict_t *, uint32_t, ctf_id_t);
496
497extern int ctf_add_enumerator (ctf_dict_t *, ctf_id_t, const char *, int);
498extern int ctf_add_member (ctf_dict_t *, ctf_id_t, const char *, ctf_id_t);
499extern int ctf_add_member_offset (ctf_dict_t *, ctf_id_t, const char *,
500 ctf_id_t, unsigned long);
501extern int ctf_add_member_encoded (ctf_dict_t *, ctf_id_t, const char *,
502 ctf_id_t, unsigned long,
503 const ctf_encoding_t);
504
505extern int ctf_add_variable (ctf_dict_t *, const char *, ctf_id_t);
506
507extern int ctf_add_objt_sym (ctf_dict_t *, const char *, ctf_id_t);
508extern int ctf_add_func_sym (ctf_dict_t *, const char *, ctf_id_t);
509
510extern int ctf_set_array (ctf_dict_t *, ctf_id_t, const ctf_arinfo_t *);
511
512extern ctf_dict_t *ctf_create (int *);
513extern int ctf_update (ctf_dict_t *);
514extern ctf_snapshot_id_t ctf_snapshot (ctf_dict_t *);
515extern int ctf_rollback (ctf_dict_t *, ctf_snapshot_id_t);
516extern int ctf_discard (ctf_dict_t *);
517extern int ctf_write (ctf_dict_t *, int);
518extern int ctf_gzwrite (ctf_dict_t *fp, gzFile fd);
519extern int ctf_compress_write (ctf_dict_t * fp, int fd);
520extern unsigned char *ctf_write_mem (ctf_dict_t *, size_t *, size_t threshold);
521
522extern int ctf_link_add_ctf (ctf_dict_t *, ctf_archive_t *, const char *);
523/* The variable filter should return nonzero if a variable should not
524 appear in the output. */
525typedef int ctf_link_variable_filter_f (ctf_dict_t *, const char *, ctf_id_t,
526 void *);
527extern int ctf_link_set_variable_filter (ctf_dict_t *,
528 ctf_link_variable_filter_f *, void *);
529extern int ctf_link (ctf_dict_t *, int flags);
530typedef const char *ctf_link_strtab_string_f (uint32_t *offset, void *arg);
531extern int ctf_link_add_strtab (ctf_dict_t *, ctf_link_strtab_string_f *,
532 void *);
533extern int ctf_link_add_linker_symbol (ctf_dict_t *, ctf_link_sym_t *);
534extern int ctf_link_shuffle_syms (ctf_dict_t *);
535extern unsigned char *ctf_link_write (ctf_dict_t *, size_t *size,
536 size_t threshold);
537
538/* Specialist linker functions. These functions are not used by ld, but can be
539 used by other programs making use of the linker machinery for other purposes
540 to customize its output. */
541extern int ctf_link_add_cu_mapping (ctf_dict_t *, const char *from,
542 const char *to);
543typedef char *ctf_link_memb_name_changer_f (ctf_dict_t *,
544 const char *, void *);
545extern void ctf_link_set_memb_name_changer
546 (ctf_dict_t *, ctf_link_memb_name_changer_f *, void *);
547
548extern void ctf_setdebug (int debug);
549extern int ctf_getdebug (void);
550
551/* Deprecated aliases for existing functions and types. */
552
553struct ctf_file;
554typedef struct ctf_dict ctf_file_t;
555extern void ctf_file_close (ctf_file_t *);
556extern ctf_dict_t *ctf_parent_file (ctf_dict_t *);
557extern ctf_dict_t *ctf_arc_open_by_name (const ctf_archive_t *,
558 const char *, int *);
559extern ctf_dict_t *ctf_arc_open_by_name_sections (const ctf_archive_t *,
560 const ctf_sect_t *,
561 const ctf_sect_t *,
562 const char *, int *);
563
564#ifdef __cplusplus
565}
566#endif
567
568#endif /* _CTF_API_H */
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