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60da9d95 | 1 | /* Implementation header. |
a2c58332 | 2 | Copyright (C) 2019-2022 Free Software Foundation, Inc. |
60da9d95 NA |
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 | #ifndef _CTF_IMPL_H | |
21 | #define _CTF_IMPL_H | |
22 | ||
23 | #include "config.h" | |
a0486bac | 24 | #include <errno.h> |
7e97445a | 25 | #include <sys/param.h> |
a0486bac | 26 | #include "ctf-decls.h" |
60da9d95 | 27 | #include <ctf-api.h> |
1f2e8b5b | 28 | #include "ctf-sha1.h" |
60da9d95 | 29 | #include <sys/types.h> |
94585e7f NA |
30 | #include <stdlib.h> |
31 | #include <stdarg.h> | |
77d724a7 | 32 | #include <stddef.h> |
94585e7f NA |
33 | #include <stdio.h> |
34 | #include <stdint.h> | |
e9338841 | 35 | #include <string.h> |
94585e7f NA |
36 | #include <limits.h> |
37 | #include <ctype.h> | |
38 | #include <elf.h> | |
143dce84 | 39 | #include <bfd.h> |
77648241 | 40 | #include "hashtab.h" |
987cf30a | 41 | #include "ctf-intl.h" |
60da9d95 NA |
42 | |
43 | #ifdef __cplusplus | |
44 | extern "C" | |
b64751cf | 45 | { |
60da9d95 NA |
46 | #endif |
47 | ||
1136c379 NA |
48 | /* Tuning. */ |
49 | ||
50 | /* The proportion of symtypetab entries which must be pads before we consider it | |
51 | worthwhile to emit a symtypetab section as an index. Indexes cost time to | |
52 | look up, but save space all told. Do not set to 1, since this will cause | |
53 | indexes to be eschewed completely, even in child dicts, at considerable space | |
54 | cost. */ | |
55 | #define CTF_INDEX_PAD_THRESHOLD .75 | |
56 | ||
60da9d95 NA |
57 | /* Compiler attributes. */ |
58 | ||
59 | #if defined (__GNUC__) | |
60 | ||
61 | /* GCC. We assume that all compilers claiming to be GCC support sufficiently | |
62 | many GCC attributes that the code below works. If some non-GCC compilers | |
63 | masquerading as GCC in fact do not implement these attributes, version checks | |
64 | may be required. */ | |
65 | ||
66 | /* We use the _libctf_*_ pattern to avoid clashes with any future attribute | |
67 | macros glibc may introduce, which have names of the pattern | |
68 | __attribute_blah__. */ | |
69 | ||
70 | #define _libctf_printflike_(string_index,first_to_check) \ | |
71 | __attribute__ ((__format__ (__printf__, (string_index), (first_to_check)))) | |
72 | #define _libctf_unlikely_(x) __builtin_expect ((x), 0) | |
73 | #define _libctf_unused_ __attribute__ ((__unused__)) | |
74 | #define _libctf_malloc_ __attribute__((__malloc__)) | |
35a01a04 | 75 | #define _libctf_nonnull_(params) __attribute__((__nonnull__ params)) |
60da9d95 | 76 | |
86670658 NA |
77 | #else |
78 | ||
79 | #define _libctf_printflike_(string_index,first_to_check) | |
80 | #define _libctf_unlikely_(x) (x) | |
81 | #define _libctf_unused_ | |
82 | #define _libctf_malloc_ | |
35a01a04 | 83 | #define _libctf_nonnull_(params) |
469e75b6 | 84 | #define __extension__ |
86670658 | 85 | |
60da9d95 NA |
86 | #endif |
87 | ||
a9b98702 NA |
88 | #if defined (ENABLE_LIBCTF_HASH_DEBUGGING) && !defined (NDEBUG) |
89 | #include <assert.h> | |
90 | #define ctf_assert(fp, expr) (assert (expr), 1) | |
91 | #else | |
8b37e7b6 NA |
92 | #define ctf_assert(fp, expr) \ |
93 | _libctf_unlikely_ (ctf_assert_internal (fp, __FILE__, __LINE__, \ | |
94 | #expr, !!(expr))) | |
a9b98702 | 95 | #endif |
8b37e7b6 | 96 | |
c0754cdd NA |
97 | /* libctf in-memory state. */ |
98 | ||
99 | typedef struct ctf_fixed_hash ctf_hash_t; /* Private to ctf-hash.c. */ | |
100 | typedef struct ctf_dynhash ctf_dynhash_t; /* Private to ctf-hash.c. */ | |
77648241 | 101 | typedef struct ctf_dynset ctf_dynset_t; /* Private to ctf-hash.c. */ |
c0754cdd | 102 | |
a5be9bbe NA |
103 | typedef struct ctf_strs |
104 | { | |
105 | const char *cts_strs; /* Base address of string table. */ | |
106 | size_t cts_len; /* Size of string table in bytes. */ | |
107 | } ctf_strs_t; | |
108 | ||
f5e9c9bd NA |
109 | typedef struct ctf_strs_writable |
110 | { | |
111 | char *cts_strs; /* Base address of string table. */ | |
112 | size_t cts_len; /* Size of string table in bytes. */ | |
113 | } ctf_strs_writable_t; | |
114 | ||
a5be9bbe NA |
115 | typedef struct ctf_dmodel |
116 | { | |
117 | const char *ctd_name; /* Data model name. */ | |
118 | int ctd_code; /* Data model code. */ | |
119 | size_t ctd_pointer; /* Size of void * in bytes. */ | |
120 | size_t ctd_char; /* Size of char in bytes. */ | |
121 | size_t ctd_short; /* Size of short in bytes. */ | |
122 | size_t ctd_int; /* Size of int in bytes. */ | |
123 | size_t ctd_long; /* Size of long in bytes. */ | |
124 | } ctf_dmodel_t; | |
125 | ||
676c3ecb NA |
126 | typedef struct ctf_names |
127 | { | |
128 | ctf_hash_t *ctn_readonly; /* Hash table when readonly. */ | |
129 | ctf_dynhash_t *ctn_writable; /* Hash table when writable. */ | |
130 | } ctf_names_t; | |
131 | ||
a5be9bbe NA |
132 | typedef struct ctf_lookup |
133 | { | |
134 | const char *ctl_prefix; /* String prefix for this lookup. */ | |
135 | size_t ctl_len; /* Length of prefix string in bytes. */ | |
676c3ecb | 136 | ctf_names_t *ctl_hash; /* Pointer to hash table for lookup. */ |
a5be9bbe NA |
137 | } ctf_lookup_t; |
138 | ||
139633c3 | 139 | typedef struct ctf_dictops |
a5be9bbe NA |
140 | { |
141 | uint32_t (*ctfo_get_kind) (uint32_t); | |
142 | uint32_t (*ctfo_get_root) (uint32_t); | |
143 | uint32_t (*ctfo_get_vlen) (uint32_t); | |
139633c3 | 144 | ssize_t (*ctfo_get_ctt_size) (const ctf_dict_t *, const ctf_type_t *, |
a5be9bbe | 145 | ssize_t *, ssize_t *); |
139633c3 NA |
146 | ssize_t (*ctfo_get_vbytes) (ctf_dict_t *, unsigned short, ssize_t, size_t); |
147 | } ctf_dictops_t; | |
a5be9bbe | 148 | |
94585e7f NA |
149 | typedef struct ctf_list |
150 | { | |
151 | struct ctf_list *l_prev; /* Previous pointer or tail pointer. */ | |
152 | struct ctf_list *l_next; /* Next pointer or head pointer. */ | |
153 | } ctf_list_t; | |
154 | ||
a5be9bbe NA |
155 | typedef enum |
156 | { | |
157 | CTF_PREC_BASE, | |
158 | CTF_PREC_POINTER, | |
159 | CTF_PREC_ARRAY, | |
160 | CTF_PREC_FUNCTION, | |
161 | CTF_PREC_MAX | |
162 | } ctf_decl_prec_t; | |
163 | ||
164 | typedef struct ctf_decl_node | |
165 | { | |
166 | ctf_list_t cd_list; /* Linked list pointers. */ | |
167 | ctf_id_t cd_type; /* Type identifier. */ | |
168 | uint32_t cd_kind; /* Type kind. */ | |
169 | uint32_t cd_n; /* Type dimension if array. */ | |
170 | } ctf_decl_node_t; | |
171 | ||
172 | typedef struct ctf_decl | |
173 | { | |
174 | ctf_list_t cd_nodes[CTF_PREC_MAX]; /* Declaration node stacks. */ | |
175 | int cd_order[CTF_PREC_MAX]; /* Storage order of decls. */ | |
176 | ctf_decl_prec_t cd_qualp; /* Qualifier precision. */ | |
177 | ctf_decl_prec_t cd_ordp; /* Ordered precision. */ | |
178 | char *cd_buf; /* Buffer for output. */ | |
179 | int cd_err; /* Saved error value. */ | |
180 | int cd_enomem; /* Nonzero if OOM during printing. */ | |
181 | } ctf_decl_t; | |
182 | ||
a5be9bbe NA |
183 | typedef struct ctf_dtdef |
184 | { | |
185 | ctf_list_t dtd_list; /* List forward/back pointers. */ | |
a5be9bbe | 186 | ctf_id_t dtd_type; /* Type identifier for this definition. */ |
676c3ecb | 187 | ctf_type_t dtd_data; /* Type node, including name. */ |
77d724a7 | 188 | size_t dtd_vlen_alloc; /* Total vlen space allocated. */ |
7879dd88 | 189 | unsigned char *dtd_vlen; /* Variable-length data for this type. */ |
a5be9bbe NA |
190 | } ctf_dtdef_t; |
191 | ||
192 | typedef struct ctf_dvdef | |
193 | { | |
194 | ctf_list_t dvd_list; /* List forward/back pointers. */ | |
195 | char *dvd_name; /* Name associated with variable. */ | |
196 | ctf_id_t dvd_type; /* Type of variable. */ | |
197 | unsigned long dvd_snapshots; /* Snapshot count when inserted. */ | |
198 | } ctf_dvdef_t; | |
199 | ||
8b37e7b6 NA |
200 | typedef struct ctf_err_warning |
201 | { | |
202 | ctf_list_t cew_list; /* List forward/back pointers. */ | |
203 | int cew_is_warning; /* 1 if warning, 0 if error. */ | |
204 | char *cew_text; /* Error/warning text. */ | |
205 | } ctf_err_warning_t; | |
206 | ||
f5e9c9bd NA |
207 | /* Atoms associate strings with a list of the CTF items that reference that |
208 | string, so that ctf_update() can instantiate all the strings using the | |
209 | ctf_str_atoms and then reassociate them with the real string later. | |
210 | ||
211 | Strings can be interned into ctf_str_atom without having refs associated | |
212 | with them, for values that are returned to callers, etc. Items are only | |
213 | removed from this table on ctf_close(), but on every ctf_update(), all the | |
214 | csa_refs in all entries are purged. */ | |
215 | ||
216 | typedef struct ctf_str_atom | |
217 | { | |
218 | const char *csa_str; /* Backpointer to string (hash key). */ | |
219 | ctf_list_t csa_refs; /* This string's refs. */ | |
676c3ecb NA |
220 | uint32_t csa_offset; /* Strtab offset, if any. */ |
221 | uint32_t csa_external_offset; /* External strtab offset, if any. */ | |
f5e9c9bd NA |
222 | unsigned long csa_snapshot_id; /* Snapshot ID at time of creation. */ |
223 | } ctf_str_atom_t; | |
224 | ||
225 | /* The refs of a single string in the atoms table. */ | |
226 | ||
227 | typedef struct ctf_str_atom_ref | |
228 | { | |
229 | ctf_list_t caf_list; /* List forward/back pointers. */ | |
230 | uint32_t *caf_ref; /* A single ref to this string. */ | |
231 | } ctf_str_atom_ref_t; | |
232 | ||
1136c379 NA |
233 | /* A single linker-provided symbol, during symbol addition, possibly before we |
234 | have been given external strtab refs. */ | |
235 | typedef struct ctf_in_flight_dynsym | |
236 | { | |
237 | ctf_list_t cid_list; /* List forward/back pointers. */ | |
238 | ctf_link_sym_t cid_sym; /* The linker-known symbol. */ | |
239 | } ctf_in_flight_dynsym_t; | |
240 | ||
3166467b NA |
241 | /* The structure used as the key in a ctf_link_type_mapping. The value is a |
242 | type index, not a type ID. */ | |
886453cb | 243 | |
3166467b | 244 | typedef struct ctf_link_type_key |
886453cb | 245 | { |
139633c3 | 246 | ctf_dict_t *cltk_fp; |
3166467b NA |
247 | ctf_id_t cltk_idx; |
248 | } ctf_link_type_key_t; | |
249 | ||
139633c3 | 250 | /* The structure used as the key in a cd_id_to_dict_t on 32-bit platforms. */ |
0f0c11f7 NA |
251 | typedef struct ctf_type_id_key |
252 | { | |
253 | int ctii_input_num; | |
254 | ctf_id_t ctii_type; | |
255 | } ctf_type_id_key_t; | |
256 | ||
257 | /* Deduplicator state. | |
258 | ||
259 | The dedup state below uses three terms consistently. A "hash" is a | |
260 | ctf_dynhash_t; a "hash value" is the hash value of a type as returned by | |
261 | ctf_dedup_hash_type; a "global type ID" or "global ID" is a packed-together | |
139633c3 | 262 | reference to a single ctf_dict_t (by array index in an array of inputs) and |
0f0c11f7 NA |
263 | ctf_id_t, i.e. a single instance of some hash value in some input. |
264 | ||
265 | The deduplication algorithm takes a bunch of inputs and yields a single | |
266 | shared "output" and possibly many outputs corresponding to individual inputs | |
267 | that still contain types after sharing of unconflicted types. Almost all | |
268 | deduplicator state is stored in the struct ctf_dedup in the output, though a | |
269 | (very) few things are stored in inputs for simplicity's sake, usually if they | |
270 | are linking together things within the scope of a single TU. | |
271 | ||
272 | Flushed at the end of every ctf_dedup run. */ | |
273 | ||
274 | typedef struct ctf_dedup | |
275 | { | |
276 | /* The CTF linker flags in force for this dedup run. */ | |
277 | int cd_link_flags; | |
278 | ||
279 | /* On 32-bit platforms only, a hash of global type IDs, in the form of | |
280 | a ctf_link_type_id_key_t. */ | |
139633c3 | 281 | ctf_dynhash_t *cd_id_to_dict_t; |
0f0c11f7 NA |
282 | |
283 | /* Atoms tables of decorated names: maps undecorated name to decorated name. | |
139633c3 | 284 | (The actual allocations are in the CTF dict for the former and the real |
0f0c11f7 NA |
285 | atoms table for the latter). Uses the same namespaces as ctf_lookups, |
286 | below, but has no need for null-termination. */ | |
287 | ctf_dynhash_t *cd_decorated_names[4]; | |
288 | ||
289 | /* Map type names to a hash from type hash value -> number of times each value | |
290 | has appeared. */ | |
291 | ctf_dynhash_t *cd_name_counts; | |
292 | ||
293 | /* Map global type IDs to type hash values. Used to determine if types are | |
294 | already hashed without having to recompute their hash values again, and to | |
295 | link types together at later stages. Forwards that are peeked through to | |
296 | structs and unions are not represented in here, so lookups that might be | |
297 | such a type (in practice, all lookups) must go via cd_replaced_types first | |
298 | to take this into account. Discarded before each rehashing. */ | |
299 | ctf_dynhash_t *cd_type_hashes; | |
300 | ||
301 | /* Maps from the names of structs/unions/enums to a a single GID which is the | |
302 | only appearance of that type in any input: if it appears in more than one | |
303 | input, a value which is a GID with an input_num of -1 appears. Used in | |
304 | share-duplicated link mode link modes to determine whether structs/unions | |
305 | can be cited from multiple TUs. Only populated in that link mode. */ | |
306 | ctf_dynhash_t *cd_struct_origin; | |
307 | ||
308 | /* Maps type hash values to a set of hash values of the types that cite them: | |
309 | i.e., pointing backwards up the type graph. Used for recursive conflict | |
310 | marking. Citations from tagged structures, unions, and forwards do not | |
311 | appear in this graph. */ | |
312 | ctf_dynhash_t *cd_citers; | |
313 | ||
314 | /* Maps type hash values to input global type IDs. The value is a set (a | |
315 | hash) of global type IDs. Discarded before each rehashing. The result of | |
316 | the ctf_dedup function. */ | |
317 | ctf_dynhash_t *cd_output_mapping; | |
318 | ||
319 | /* A map giving the GID of the first appearance of each type for each type | |
320 | hash value. */ | |
321 | ctf_dynhash_t *cd_output_first_gid; | |
322 | ||
323 | /* Used to ensure that we never try to map a single type ID to more than one | |
324 | hash. */ | |
325 | ctf_dynhash_t *cd_output_mapping_guard; | |
326 | ||
327 | /* Maps the global type IDs of structures in input TUs whose members still | |
328 | need emission to the global type ID of the already-emitted target type | |
329 | (which has no members yet) in the appropriate target. Uniquely, the latter | |
330 | ID represents a *target* ID (i.e. the cd_output_mapping of some specified | |
331 | input): we encode the shared (parent) dict with an ID of -1. */ | |
332 | ctf_dynhash_t *cd_emission_struct_members; | |
333 | ||
334 | /* A set (a hash) of hash values of conflicting types. */ | |
335 | ctf_dynset_t *cd_conflicting_types; | |
336 | ||
f5060e56 NA |
337 | /* A hash mapping fp *'s of inputs to their input_nums. Used only by |
338 | functions outside the core ctf_dedup / ctf_dedup_emit machinery which do | |
339 | not take an inputs array. */ | |
340 | ctf_dynhash_t *cd_input_nums; | |
341 | ||
0f0c11f7 NA |
342 | /* Maps type hashes to ctf_id_t's in this dictionary. Populated only at |
343 | emission time, in the dictionary where emission is taking place. */ | |
344 | ctf_dynhash_t *cd_output_emission_hashes; | |
345 | ||
346 | /* Maps the decorated names of conflicted cross-TU forwards that were forcibly | |
347 | emitted in this TU to their emitted ctf_id_ts. Populated only at emission | |
348 | time, in the dictionary where emission is taking place. */ | |
349 | ctf_dynhash_t *cd_output_emission_conflicted_forwards; | |
350 | ||
351 | /* Points to the output counterpart of this input dictionary, at emission | |
352 | time. */ | |
139633c3 | 353 | ctf_dict_t *cd_output; |
0f0c11f7 | 354 | } ctf_dedup_t; |
886453cb | 355 | |
139633c3 | 356 | /* The ctf_dict is the structure used to represent a CTF dictionary to library |
a5be9bbe NA |
357 | clients, who see it only as an opaque pointer. Modifications can therefore |
358 | be made freely to this structure without regard to client versioning. The | |
139633c3 NA |
359 | ctf_dict_t typedef appears in <ctf-api.h> and declares a forward tag. |
360 | (A ctf_file_t typedef also appears there, for historical reasons.) | |
a5be9bbe | 361 | |
01cbfcba NA |
362 | NOTE: ctf_serialize requires that everything inside of ctf_dict either be an |
363 | immediate value, a pointer to dynamically allocated data *outside* of the | |
364 | ctf_dict itself, a pointer to statically allocated data, or specially handled | |
365 | in ctf_serialize. If you add a pointer to ctf_dict that points to something | |
366 | within the ctf_dict itself, you must make corresponding changes to | |
367 | ctf_serialize. */ | |
a5be9bbe | 368 | |
139633c3 | 369 | struct ctf_dict |
a5be9bbe | 370 | { |
139633c3 NA |
371 | const ctf_dictops_t *ctf_dictops; /* Version-specific dict operations. */ |
372 | struct ctf_header *ctf_header; /* The header from this CTF dict. */ | |
373 | unsigned char ctf_openflags; /* Flags the dict had when opened. */ | |
a5be9bbe NA |
374 | ctf_sect_t ctf_data; /* CTF data from object file. */ |
375 | ctf_sect_t ctf_symtab; /* Symbol table from object file. */ | |
376 | ctf_sect_t ctf_strtab; /* String table from object file. */ | |
53651de8 | 377 | int ctf_symsect_little_endian; /* Endianness of the ctf_symtab. */ |
f4f60336 NA |
378 | ctf_dynhash_t *ctf_symhash; /* (partial) hash, symsect name -> idx. */ |
379 | size_t ctf_symhash_latest; /* Amount of symsect scanned so far. */ | |
676c3ecb NA |
380 | ctf_dynhash_t *ctf_prov_strtab; /* Maps provisional-strtab offsets |
381 | to names. */ | |
d851ecd3 | 382 | ctf_dynhash_t *ctf_syn_ext_strtab; /* Maps ext-strtab offsets to names. */ |
143dce84 NA |
383 | void *ctf_data_mmapped; /* CTF data we mmapped, to free later. */ |
384 | size_t ctf_data_mmapped_len; /* Length of CTF data we mmapped. */ | |
676c3ecb NA |
385 | ctf_names_t ctf_structs; /* Hash table of struct types. */ |
386 | ctf_names_t ctf_unions; /* Hash table of union types. */ | |
387 | ctf_names_t ctf_enums; /* Hash table of enum types. */ | |
388 | ctf_names_t ctf_names; /* Hash table of remaining type names. */ | |
389 | ctf_lookup_t ctf_lookups[5]; /* Pointers to nametabs for name lookup. */ | |
a5be9bbe | 390 | ctf_strs_t ctf_str[2]; /* Array of string table base and bounds. */ |
986e9e3a NA |
391 | ctf_dynhash_t *ctf_str_atoms; /* Hash table of ctf_str_atoms_t. */ |
392 | ctf_dynset_t *ctf_str_pending_ref; /* Locations awaiting ref addition. */ | |
f5e9c9bd | 393 | uint64_t ctf_str_num_refs; /* Number of refs to cts_str_atoms. */ |
676c3ecb | 394 | uint32_t ctf_str_prov_offset; /* Latest provisional offset assigned so far. */ |
fd55eae8 NA |
395 | unsigned char *ctf_base; /* CTF file pointer. */ |
396 | unsigned char *ctf_dynbase; /* Freeable CTF file pointer. */ | |
397 | unsigned char *ctf_buf; /* Uncompressed CTF data buffer. */ | |
a5be9bbe | 398 | size_t ctf_size; /* Size of CTF header + uncompressed data. */ |
1136c379 NA |
399 | uint32_t *ctf_sxlate; /* Translation table for unindexed symtypetab |
400 | entries. */ | |
a5be9bbe NA |
401 | unsigned long ctf_nsyms; /* Number of entries in symtab xlate table. */ |
402 | uint32_t *ctf_txlate; /* Translation table for type IDs. */ | |
403 | uint32_t *ctf_ptrtab; /* Translation table for pointer-to lookups. */ | |
676c3ecb | 404 | size_t ctf_ptrtab_len; /* Num types storable in ptrtab currently. */ |
abe4ca69 NA |
405 | uint32_t *ctf_pptrtab; /* Parent types pointed to by child dicts. */ |
406 | size_t ctf_pptrtab_len; /* Num types storable in pptrtab currently. */ | |
407 | uint32_t ctf_pptrtab_typemax; /* Max child type when pptrtab last updated. */ | |
1136c379 NA |
408 | uint32_t *ctf_funcidx_names; /* Name of each function symbol in symtypetab |
409 | (if indexed). */ | |
410 | uint32_t *ctf_objtidx_names; /* Likewise, for object symbols. */ | |
411 | size_t ctf_nfuncidx; /* Number of funcidx entries. */ | |
412 | uint32_t *ctf_funcidx_sxlate; /* Offsets into funcinfo for a given funcidx. */ | |
413 | uint32_t *ctf_objtidx_sxlate; /* Likewise, for ctf_objtidx. */ | |
414 | size_t ctf_nobjtidx; /* Number of objtidx entries. */ | |
415 | ctf_dynhash_t *ctf_objthash; /* name -> type ID. */ | |
416 | ctf_dynhash_t *ctf_funchash; /* name -> CTF_K_FUNCTION type ID. */ | |
417 | ||
418 | /* The next three are linker-derived state found in ctf_link targets only. */ | |
419 | ||
420 | ctf_dynhash_t *ctf_dynsyms; /* Symbol info from ctf_link_shuffle_syms. */ | |
421 | ctf_link_sym_t **ctf_dynsymidx; /* Indexes ctf_dynsyms by symidx. */ | |
422 | uint32_t ctf_dynsymmax; /* Maximum ctf_dynsym index. */ | |
423 | ctf_list_t ctf_in_flight_dynsyms; /* Dynsyms during accumulation. */ | |
a5be9bbe NA |
424 | struct ctf_varent *ctf_vars; /* Sorted variable->type mapping. */ |
425 | unsigned long ctf_nvars; /* Number of variables in ctf_vars. */ | |
426 | unsigned long ctf_typemax; /* Maximum valid type ID number. */ | |
427 | const ctf_dmodel_t *ctf_dmodel; /* Data model pointer (see above). */ | |
fd55eae8 NA |
428 | const char *ctf_cuname; /* Compilation unit name (if any). */ |
429 | char *ctf_dyncuname; /* Dynamically allocated name of CU. */ | |
139633c3 | 430 | struct ctf_dict *ctf_parent; /* Parent CTF dict (if any). */ |
1fa7a0c2 | 431 | int ctf_parent_unreffed; /* Parent set by ctf_import_unref? */ |
139633c3 | 432 | const char *ctf_parlabel; /* Label in parent dict (if any). */ |
a5be9bbe NA |
433 | const char *ctf_parname; /* Basename of parent (if any). */ |
434 | char *ctf_dynparname; /* Dynamically allocated name of parent. */ | |
435 | uint32_t ctf_parmax; /* Highest type ID of a parent type. */ | |
436 | uint32_t ctf_refcnt; /* Reference count (for parent links). */ | |
437 | uint32_t ctf_flags; /* Libctf flags (see below). */ | |
438 | int ctf_errno; /* Error code for most recent error. */ | |
439 | int ctf_version; /* CTF data version. */ | |
440 | ctf_dynhash_t *ctf_dthash; /* Hash of dynamic type definitions. */ | |
a5be9bbe NA |
441 | ctf_list_t ctf_dtdefs; /* List of dynamic type definitions. */ |
442 | ctf_dynhash_t *ctf_dvhash; /* Hash of dynamic variable mappings. */ | |
443 | ctf_list_t ctf_dvdefs; /* List of dynamic variable definitions. */ | |
a5be9bbe NA |
444 | unsigned long ctf_dtoldid; /* Oldest id that has been committed. */ |
445 | unsigned long ctf_snapshots; /* ctf_snapshot() plus ctf_update() count. */ | |
446 | unsigned long ctf_snapshot_lu; /* ctf_snapshot() call count at last update. */ | |
139633c3 | 447 | ctf_archive_t *ctf_archive; /* Archive this ctf_dict_t came from. */ |
8b37e7b6 | 448 | ctf_list_t ctf_errs_warnings; /* CTF errors and warnings. */ |
72c83edd NA |
449 | ctf_dynhash_t *ctf_link_inputs; /* Inputs to this link. */ |
450 | ctf_dynhash_t *ctf_link_outputs; /* Additional outputs from this link. */ | |
5f54462c | 451 | |
f5060e56 NA |
452 | /* Map input types to output types for ctf_add_type. Key is a |
453 | ctf_link_type_key_t: value is a type ID. */ | |
5f54462c NA |
454 | ctf_dynhash_t *ctf_link_type_mapping; |
455 | ||
456 | /* Map input CU names to output CTF dict names: populated in the top-level | |
457 | output dict. | |
458 | ||
459 | Key and value are dynamically-allocated strings. */ | |
460 | ctf_dynhash_t *ctf_link_in_cu_mapping; | |
461 | ||
462 | /* Map output CTF dict names to input CU names: populated in the top-level | |
463 | output dict. A hash of string to hash (set) of strings. Key and | |
464 | individual value members are shared with ctf_link_in_cu_mapping. */ | |
465 | ctf_dynhash_t *ctf_link_out_cu_mapping; | |
466 | ||
35a01a04 NA |
467 | /* CTF linker flags. Set on the parent output dict (the one passed to |
468 | ctf_link). Only respected when LCTF_LINKING set in ctf_flags. */ | |
8d2229ad NA |
469 | int ctf_link_flags; |
470 | ||
5f54462c | 471 | /* Allow the caller to change the name of link archive members. */ |
49ea9b45 | 472 | ctf_link_memb_name_changer_f *ctf_link_memb_name_changer; |
6dd2819f NA |
473 | void *ctf_link_memb_name_changer_arg; /* Argument for it. */ |
474 | ||
475 | /* Allow the caller to filter out variables they don't care about. */ | |
476 | ctf_link_variable_filter_f *ctf_link_variable_filter; | |
477 | void *ctf_link_variable_filter_arg; /* Argument for it. */ | |
478 | ||
99dc3ebd | 479 | ctf_dynhash_t *ctf_add_processing; /* Types ctf_add_type is working on now. */ |
0f0c11f7 NA |
480 | |
481 | /* Atoms table for dedup string storage. All strings in the ctf_dedup_t are | |
482 | stored here. Only the _alloc copy is allocated or freed: the | |
483 | ctf_dedup_atoms may be pointed to some other CTF dict, to share its atoms. | |
484 | We keep the atoms table outside the ctf_dedup so that atoms can be | |
485 | preserved across multiple similar links, such as when doing cu-mapped | |
486 | links. */ | |
487 | ctf_dynset_t *ctf_dedup_atoms; | |
488 | ctf_dynset_t *ctf_dedup_atoms_alloc; | |
489 | ||
490 | ctf_dedup_t ctf_dedup; /* Deduplicator state. */ | |
491 | ||
a5be9bbe NA |
492 | char *ctf_tmp_typeslice; /* Storage for slicing up type names. */ |
493 | size_t ctf_tmp_typeslicelen; /* Size of the typeslice. */ | |
494 | void *ctf_specific; /* Data for ctf_get/setspecific(). */ | |
495 | }; | |
496 | ||
139633c3 | 497 | /* An abstraction over both a ctf_dict_t and a ctf_archive_t. */ |
9402cc59 NA |
498 | |
499 | struct ctf_archive_internal | |
500 | { | |
501 | int ctfi_is_archive; | |
601e455b | 502 | int ctfi_unmap_on_close; |
139633c3 | 503 | ctf_dict_t *ctfi_dict; |
9402cc59 | 504 | struct ctf_archive *ctfi_archive; |
2c78e925 | 505 | ctf_dynhash_t *ctfi_dicts; /* Dicts we have opened and cached. */ |
f4f60336 | 506 | ctf_dict_t *ctfi_crossdict_cache; /* Cross-dict caching. */ |
2c78e925 | 507 | ctf_dict_t **ctfi_symdicts; /* Array of index -> ctf_dict_t *. */ |
f4f60336 | 508 | ctf_dynhash_t *ctfi_symnamedicts; /* Hash of name -> ctf_dict_t *. */ |
9402cc59 | 509 | ctf_sect_t ctfi_symsect; |
53651de8 | 510 | int ctfi_symsect_little_endian; /* -1 for unknown / do not set. */ |
9402cc59 | 511 | ctf_sect_t ctfi_strsect; |
2f6ecaed | 512 | int ctfi_free_symsect; |
d50c0802 | 513 | int ctfi_free_strsect; |
9402cc59 | 514 | void *ctfi_data; |
2c78e925 | 515 | bfd *ctfi_abfd; /* Optional source of section data. */ |
143dce84 | 516 | void (*ctfi_bfd_close) (struct ctf_archive_internal *); |
9402cc59 NA |
517 | }; |
518 | ||
688d28f6 NA |
519 | /* Iterator state for the *_next() functions. */ |
520 | ||
e28591b3 NA |
521 | /* A single hash key/value pair. */ |
522 | typedef struct ctf_next_hkv | |
523 | { | |
524 | void *hkv_key; | |
525 | void *hkv_value; | |
526 | } ctf_next_hkv_t; | |
527 | ||
688d28f6 NA |
528 | struct ctf_next |
529 | { | |
530 | void (*ctn_iter_fun) (void); | |
531 | ctf_id_t ctn_type; | |
532 | ssize_t ctn_size; | |
533 | ssize_t ctn_increment; | |
d7b1416e | 534 | const ctf_type_t *ctn_tp; |
688d28f6 | 535 | uint32_t ctn_n; |
6c3a3877 NA |
536 | |
537 | /* Some iterators contain other iterators, in addition to their other | |
538 | state. */ | |
539 | ctf_next_t *ctn_next; | |
540 | ||
139633c3 | 541 | /* We can save space on this side of things by noting that a dictionary is |
688d28f6 NA |
542 | either dynamic or not, as a whole, and a given iterator can only iterate |
543 | over one kind of thing at once: so we can overlap the DTD and non-DTD | |
6c3a3877 | 544 | members, and the structure, variable and enum members, etc. */ |
688d28f6 NA |
545 | union |
546 | { | |
d7b1416e | 547 | unsigned char *ctn_vlen; |
688d28f6 NA |
548 | const ctf_enum_t *ctn_en; |
549 | const ctf_dvdef_t *ctn_dvd; | |
e28591b3 NA |
550 | ctf_next_hkv_t *ctn_sorted_hkv; |
551 | void **ctn_hash_slot; | |
688d28f6 | 552 | } u; |
6c3a3877 | 553 | |
139633c3 | 554 | /* This union is of various sorts of dict we can iterate over: |
e28591b3 | 555 | currently dictionaries and archives, dynhashes, and dynsets. */ |
688d28f6 NA |
556 | union |
557 | { | |
139633c3 | 558 | const ctf_dict_t *ctn_fp; |
688d28f6 | 559 | const ctf_archive_t *ctn_arc; |
e28591b3 NA |
560 | const ctf_dynhash_t *ctn_h; |
561 | const ctf_dynset_t *ctn_s; | |
688d28f6 NA |
562 | } cu; |
563 | }; | |
564 | ||
a5be9bbe NA |
565 | /* Return x rounded up to an alignment boundary. |
566 | eg, P2ROUNDUP(0x1234, 0x100) == 0x1300 (0x13*align) | |
567 | eg, P2ROUNDUP(0x5600, 0x100) == 0x5600 (0x56*align) */ | |
568 | #define P2ROUNDUP(x, align) (-(-(x) & -(align))) | |
569 | ||
570 | /* * If an offs is not aligned already then round it up and align it. */ | |
571 | #define LCTF_ALIGN_OFFS(offs, align) ((offs + (align - 1)) & ~(align - 1)) | |
572 | ||
573 | #define LCTF_TYPE_ISPARENT(fp, id) ((id) <= fp->ctf_parmax) | |
574 | #define LCTF_TYPE_ISCHILD(fp, id) ((id) > fp->ctf_parmax) | |
575 | #define LCTF_TYPE_TO_INDEX(fp, id) ((id) & (fp->ctf_parmax)) | |
576 | #define LCTF_INDEX_TO_TYPE(fp, id, child) (child ? ((id) | (fp->ctf_parmax+1)) : \ | |
577 | (id)) | |
578 | ||
579 | #define LCTF_INDEX_TO_TYPEPTR(fp, i) \ | |
676c3ecb NA |
580 | ((fp->ctf_flags & LCTF_RDWR) ? \ |
581 | &(ctf_dtd_lookup (fp, LCTF_INDEX_TO_TYPE \ | |
582 | (fp, i, fp->ctf_flags & LCTF_CHILD))->dtd_data) : \ | |
583 | (ctf_type_t *)((uintptr_t)(fp)->ctf_buf + (fp)->ctf_txlate[(i)])) | |
a5be9bbe | 584 | |
139633c3 NA |
585 | #define LCTF_INFO_KIND(fp, info) ((fp)->ctf_dictops->ctfo_get_kind(info)) |
586 | #define LCTF_INFO_ISROOT(fp, info) ((fp)->ctf_dictops->ctfo_get_root(info)) | |
587 | #define LCTF_INFO_VLEN(fp, info) ((fp)->ctf_dictops->ctfo_get_vlen(info)) | |
a5be9bbe | 588 | #define LCTF_VBYTES(fp, kind, size, vlen) \ |
139633c3 | 589 | ((fp)->ctf_dictops->ctfo_get_vbytes(fp, kind, size, vlen)) |
a5be9bbe | 590 | |
1136c379 NA |
591 | #define LCTF_CHILD 0x0001 /* CTF dict is a child. */ |
592 | #define LCTF_RDWR 0x0002 /* CTF dict is writable. */ | |
593 | #define LCTF_DIRTY 0x0004 /* CTF dict has been modified. */ | |
35a01a04 | 594 | #define LCTF_LINKING 0x0008 /* CTF link is underway: respect ctf_link_flags. */ |
a5be9bbe | 595 | |
139633c3 NA |
596 | extern ctf_names_t *ctf_name_table (ctf_dict_t *, int); |
597 | extern const ctf_type_t *ctf_lookup_by_id (ctf_dict_t **, ctf_id_t); | |
598 | extern ctf_id_t ctf_lookup_by_rawname (ctf_dict_t *, int, const char *); | |
599 | extern ctf_id_t ctf_lookup_by_rawhash (ctf_dict_t *, ctf_names_t *, const char *); | |
600 | extern void ctf_set_ctl_hashes (ctf_dict_t *); | |
a5be9bbe | 601 | |
1136c379 NA |
602 | extern int ctf_symtab_skippable (ctf_link_sym_t *sym); |
603 | extern int ctf_add_funcobjt_sym (ctf_dict_t *, int is_function, | |
604 | const char *, ctf_id_t); | |
605 | ||
139633c3 | 606 | extern ctf_dict_t *ctf_get_dict (ctf_dict_t *fp, ctf_id_t type); |
688d28f6 | 607 | |
c0754cdd NA |
608 | typedef unsigned int (*ctf_hash_fun) (const void *ptr); |
609 | extern unsigned int ctf_hash_integer (const void *ptr); | |
610 | extern unsigned int ctf_hash_string (const void *ptr); | |
3166467b | 611 | extern unsigned int ctf_hash_type_key (const void *ptr); |
0f0c11f7 | 612 | extern unsigned int ctf_hash_type_id_key (const void *ptr); |
c0754cdd NA |
613 | |
614 | typedef int (*ctf_hash_eq_fun) (const void *, const void *); | |
615 | extern int ctf_hash_eq_integer (const void *, const void *); | |
616 | extern int ctf_hash_eq_string (const void *, const void *); | |
3166467b | 617 | extern int ctf_hash_eq_type_key (const void *, const void *); |
0f0c11f7 | 618 | extern int ctf_hash_eq_type_id_key (const void *, const void *); |
c0754cdd NA |
619 | |
620 | typedef void (*ctf_hash_free_fun) (void *); | |
621 | ||
9658dc39 NA |
622 | typedef void (*ctf_hash_iter_f) (void *key, void *value, void *arg); |
623 | typedef int (*ctf_hash_iter_remove_f) (void *key, void *value, void *arg); | |
809f6eb3 | 624 | typedef int (*ctf_hash_iter_find_f) (void *key, void *value, void *arg); |
e28591b3 NA |
625 | typedef int (*ctf_hash_sort_f) (const ctf_next_hkv_t *, const ctf_next_hkv_t *, |
626 | void *arg); | |
9658dc39 | 627 | |
c0754cdd | 628 | extern ctf_hash_t *ctf_hash_create (unsigned long, ctf_hash_fun, ctf_hash_eq_fun); |
139633c3 NA |
629 | extern int ctf_hash_insert_type (ctf_hash_t *, ctf_dict_t *, uint32_t, uint32_t); |
630 | extern int ctf_hash_define_type (ctf_hash_t *, ctf_dict_t *, uint32_t, uint32_t); | |
631 | extern ctf_id_t ctf_hash_lookup_type (ctf_hash_t *, ctf_dict_t *, const char *); | |
c0754cdd NA |
632 | extern uint32_t ctf_hash_size (const ctf_hash_t *); |
633 | extern void ctf_hash_destroy (ctf_hash_t *); | |
634 | ||
635 | extern ctf_dynhash_t *ctf_dynhash_create (ctf_hash_fun, ctf_hash_eq_fun, | |
636 | ctf_hash_free_fun, ctf_hash_free_fun); | |
637 | extern int ctf_dynhash_insert (ctf_dynhash_t *, void *, void *); | |
638 | extern void ctf_dynhash_remove (ctf_dynhash_t *, const void *); | |
809f6eb3 | 639 | extern size_t ctf_dynhash_elements (ctf_dynhash_t *); |
886453cb | 640 | extern void ctf_dynhash_empty (ctf_dynhash_t *); |
c0754cdd | 641 | extern void *ctf_dynhash_lookup (ctf_dynhash_t *, const void *); |
809f6eb3 NA |
642 | extern int ctf_dynhash_lookup_kv (ctf_dynhash_t *, const void *key, |
643 | const void **orig_key, void **value); | |
c0754cdd | 644 | extern void ctf_dynhash_destroy (ctf_dynhash_t *); |
9658dc39 NA |
645 | extern void ctf_dynhash_iter (ctf_dynhash_t *, ctf_hash_iter_f, void *); |
646 | extern void ctf_dynhash_iter_remove (ctf_dynhash_t *, ctf_hash_iter_remove_f, | |
647 | void *); | |
809f6eb3 NA |
648 | extern void *ctf_dynhash_iter_find (ctf_dynhash_t *, ctf_hash_iter_find_f, |
649 | void *); | |
1136c379 NA |
650 | extern int ctf_dynhash_sort_by_name (const ctf_next_hkv_t *, |
651 | const ctf_next_hkv_t *, | |
652 | void * _libctf_unused_); | |
e28591b3 NA |
653 | extern int ctf_dynhash_next (ctf_dynhash_t *, ctf_next_t **, |
654 | void **key, void **value); | |
655 | extern int ctf_dynhash_next_sorted (ctf_dynhash_t *, ctf_next_t **, | |
656 | void **key, void **value, ctf_hash_sort_f, | |
657 | void *); | |
c0754cdd | 658 | |
77648241 NA |
659 | extern ctf_dynset_t *ctf_dynset_create (htab_hash, htab_eq, ctf_hash_free_fun); |
660 | extern int ctf_dynset_insert (ctf_dynset_t *, void *); | |
661 | extern void ctf_dynset_remove (ctf_dynset_t *, const void *); | |
662 | extern void ctf_dynset_destroy (ctf_dynset_t *); | |
663 | extern void *ctf_dynset_lookup (ctf_dynset_t *, const void *); | |
986e9e3a | 664 | extern size_t ctf_dynset_elements (ctf_dynset_t *); |
77648241 NA |
665 | extern int ctf_dynset_exists (ctf_dynset_t *, const void *key, |
666 | const void **orig_key); | |
e28591b3 | 667 | extern int ctf_dynset_next (ctf_dynset_t *, ctf_next_t **, void **key); |
77648241 NA |
668 | extern void *ctf_dynset_lookup_any (ctf_dynset_t *); |
669 | ||
1f2e8b5b NA |
670 | extern void ctf_sha1_init (ctf_sha1_t *); |
671 | extern void ctf_sha1_add (ctf_sha1_t *, const void *, size_t); | |
672 | extern char *ctf_sha1_fini (ctf_sha1_t *, char *); | |
673 | ||
94585e7f NA |
674 | #define ctf_list_prev(elem) ((void *)(((ctf_list_t *)(elem))->l_prev)) |
675 | #define ctf_list_next(elem) ((void *)(((ctf_list_t *)(elem))->l_next)) | |
676 | ||
677 | extern void ctf_list_append (ctf_list_t *, void *); | |
678 | extern void ctf_list_prepend (ctf_list_t *, void *); | |
679 | extern void ctf_list_delete (ctf_list_t *, void *); | |
662df3c3 | 680 | extern void ctf_list_splice (ctf_list_t *, ctf_list_t *); |
676c3ecb | 681 | extern int ctf_list_empty_p (ctf_list_t *lp); |
94585e7f | 682 | |
139633c3 NA |
683 | extern int ctf_dtd_insert (ctf_dict_t *, ctf_dtdef_t *, int flag, int kind); |
684 | extern void ctf_dtd_delete (ctf_dict_t *, ctf_dtdef_t *); | |
685 | extern ctf_dtdef_t *ctf_dtd_lookup (const ctf_dict_t *, ctf_id_t); | |
686 | extern ctf_dtdef_t *ctf_dynamic_type (const ctf_dict_t *, ctf_id_t); | |
a5be9bbe | 687 | |
139633c3 NA |
688 | extern int ctf_dvd_insert (ctf_dict_t *, ctf_dvdef_t *); |
689 | extern void ctf_dvd_delete (ctf_dict_t *, ctf_dvdef_t *); | |
690 | extern ctf_dvdef_t *ctf_dvd_lookup (const ctf_dict_t *, const char *); | |
a5be9bbe | 691 | |
139633c3 | 692 | extern ctf_id_t ctf_add_encoded (ctf_dict_t *, uint32_t, const char *, |
0f0c11f7 | 693 | const ctf_encoding_t *, uint32_t kind); |
139633c3 | 694 | extern ctf_id_t ctf_add_reftype (ctf_dict_t *, uint32_t, ctf_id_t, |
0f0c11f7 NA |
695 | uint32_t kind); |
696 | ||
139633c3 NA |
697 | extern int ctf_dedup_atoms_init (ctf_dict_t *); |
698 | extern int ctf_dedup (ctf_dict_t *, ctf_dict_t **, uint32_t ninputs, | |
0f0c11f7 | 699 | uint32_t *parents, int cu_mapped); |
139633c3 NA |
700 | extern void ctf_dedup_fini (ctf_dict_t *, ctf_dict_t **, uint32_t); |
701 | extern ctf_dict_t **ctf_dedup_emit (ctf_dict_t *, ctf_dict_t **, | |
0f0c11f7 NA |
702 | uint32_t ninputs, uint32_t *parents, |
703 | uint32_t *noutputs, int cu_mapped); | |
f5060e56 NA |
704 | extern ctf_id_t ctf_dedup_type_mapping (ctf_dict_t *fp, ctf_dict_t *src_fp, |
705 | ctf_id_t src_type); | |
0f0c11f7 | 706 | |
316afdb1 NA |
707 | extern void ctf_decl_init (ctf_decl_t *); |
708 | extern void ctf_decl_fini (ctf_decl_t *); | |
139633c3 | 709 | extern void ctf_decl_push (ctf_decl_t *, ctf_dict_t *, ctf_id_t); |
316afdb1 NA |
710 | |
711 | _libctf_printflike_ (2, 3) | |
712 | extern void ctf_decl_sprintf (ctf_decl_t *, const char *, ...); | |
713 | extern char *ctf_decl_buf (ctf_decl_t *cd); | |
714 | ||
139633c3 NA |
715 | extern const char *ctf_strptr (ctf_dict_t *, uint32_t); |
716 | extern const char *ctf_strraw (ctf_dict_t *, uint32_t); | |
717 | extern const char *ctf_strraw_explicit (ctf_dict_t *, uint32_t, | |
d851ecd3 | 718 | ctf_strs_t *); |
139633c3 NA |
719 | extern int ctf_str_create_atoms (ctf_dict_t *); |
720 | extern void ctf_str_free_atoms (ctf_dict_t *); | |
721 | extern uint32_t ctf_str_add (ctf_dict_t *, const char *); | |
722 | extern uint32_t ctf_str_add_ref (ctf_dict_t *, const char *, uint32_t *ref); | |
986e9e3a | 723 | extern uint32_t ctf_str_add_pending (ctf_dict_t *, const char *, uint32_t *); |
77d724a7 | 724 | extern int ctf_str_move_pending (ctf_dict_t *, uint32_t *, ptrdiff_t); |
139633c3 NA |
725 | extern int ctf_str_add_external (ctf_dict_t *, const char *, uint32_t offset); |
726 | extern void ctf_str_remove_ref (ctf_dict_t *, const char *, uint32_t *ref); | |
727 | extern void ctf_str_rollback (ctf_dict_t *, ctf_snapshot_id_t); | |
728 | extern void ctf_str_purge_refs (ctf_dict_t *); | |
729 | extern ctf_strs_writable_t ctf_str_write_strtab (ctf_dict_t *); | |
94585e7f | 730 | |
601e455b NA |
731 | extern struct ctf_archive_internal * |
732 | ctf_new_archive_internal (int is_archive, int unmap_on_close, | |
139633c3 | 733 | struct ctf_archive *, ctf_dict_t *, |
601e455b NA |
734 | const ctf_sect_t *symsect, |
735 | const ctf_sect_t *strsect, int *errp); | |
9402cc59 | 736 | extern struct ctf_archive *ctf_arc_open_internal (const char *, int *); |
9402cc59 | 737 | extern void ctf_arc_close_internal (struct ctf_archive *); |
3d16b64e | 738 | extern const ctf_preamble_t *ctf_arc_bufpreamble (const ctf_sect_t *); |
94585e7f | 739 | extern void *ctf_set_open_errno (int *, int); |
139633c3 | 740 | extern unsigned long ctf_set_errno (ctf_dict_t *, int); |
94585e7f | 741 | |
139633c3 | 742 | extern ctf_dict_t *ctf_simple_open_internal (const char *, size_t, const char *, |
d851ecd3 NA |
743 | size_t, size_t, |
744 | const char *, size_t, | |
676c3ecb | 745 | ctf_dynhash_t *, int, int *); |
139633c3 | 746 | extern ctf_dict_t *ctf_bufopen_internal (const ctf_sect_t *, const ctf_sect_t *, |
d851ecd3 | 747 | const ctf_sect_t *, ctf_dynhash_t *, |
676c3ecb | 748 | int, int *); |
139633c3 NA |
749 | extern int ctf_import_unref (ctf_dict_t *fp, ctf_dict_t *pfp); |
750 | extern int ctf_serialize (ctf_dict_t *); | |
d851ecd3 | 751 | |
60da9d95 NA |
752 | _libctf_malloc_ |
753 | extern void *ctf_mmap (size_t length, size_t offset, int fd); | |
754 | extern void ctf_munmap (void *, size_t); | |
755 | extern ssize_t ctf_pread (int fd, void *buf, ssize_t count, off_t offset); | |
756 | ||
139633c3 | 757 | extern void *ctf_realloc (ctf_dict_t *, void *, size_t); |
94585e7f | 758 | extern char *ctf_str_append (char *, const char *); |
9323dd86 | 759 | extern char *ctf_str_append_noerr (char *, const char *); |
94585e7f | 760 | |
139633c3 NA |
761 | extern ctf_id_t ctf_type_resolve_unsliced (ctf_dict_t *, ctf_id_t); |
762 | extern int ctf_type_kind_unsliced (ctf_dict_t *, ctf_id_t); | |
a5be9bbe | 763 | |
60da9d95 NA |
764 | _libctf_printflike_ (1, 2) |
765 | extern void ctf_dprintf (const char *, ...); | |
766 | extern void libctf_init_debug (void); | |
767 | ||
926c9e76 | 768 | _libctf_printflike_ (4, 5) |
139633c3 | 769 | extern void ctf_err_warn (ctf_dict_t *, int is_warning, int err, |
926c9e76 | 770 | const char *, ...); |
139633c3 NA |
771 | extern void ctf_err_warn_to_open (ctf_dict_t *); |
772 | extern void ctf_assert_fail_internal (ctf_dict_t *, const char *, | |
8b37e7b6 | 773 | size_t, const char *); |
139633c3 | 774 | extern const char *ctf_link_input_name (ctf_dict_t *); |
8b37e7b6 | 775 | |
1136c379 NA |
776 | extern ctf_link_sym_t *ctf_elf32_to_link_sym (ctf_dict_t *fp, ctf_link_sym_t *dst, |
777 | const Elf32_Sym *src, uint32_t symidx); | |
778 | extern ctf_link_sym_t *ctf_elf64_to_link_sym (ctf_dict_t *fp, ctf_link_sym_t *dst, | |
779 | const Elf64_Sym *src, uint32_t symidx); | |
94585e7f | 780 | |
a5be9bbe NA |
781 | /* Variables, all underscore-prepended. */ |
782 | ||
143dce84 | 783 | extern const char _CTF_SECTION[]; /* name of CTF ELF section */ |
a5be9bbe NA |
784 | extern const char _CTF_NULLSTR[]; /* empty string */ |
785 | ||
6c33b742 | 786 | extern int _libctf_version; /* library client version */ |
60da9d95 NA |
787 | extern int _libctf_debug; /* debugging messages enabled */ |
788 | ||
809f6eb3 NA |
789 | #include "ctf-inlines.h" |
790 | ||
60da9d95 NA |
791 | #ifdef __cplusplus |
792 | } | |
793 | #endif | |
794 | ||
795 | #endif /* _CTF_IMPL_H */ |