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2e94b056 | 1 | /* Public API to libctf. |
250d07de | 2 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
2e94b056 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 | /* 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 | ||
2e94b056 NA |
27 | #include <sys/types.h> |
28 | #include <ctf.h> | |
47d546f4 | 29 | #include <zlib.h> |
2e94b056 NA |
30 | |
31 | #ifdef __cplusplus | |
32 | extern "C" | |
b64751cf | 33 | { |
2e94b056 NA |
34 | #endif |
35 | ||
36 | /* Clients can open one or more CTF containers and obtain a pointer to an | |
139633c3 | 37 | opaque ctf_dict_t. Types are identified by an opaque ctf_id_t token. |
2e94b056 NA |
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 | ||
139633c3 | 43 | typedef struct ctf_dict ctf_dict_t; |
2e94b056 | 44 | typedef struct ctf_archive_internal ctf_archive_t; |
a0486bac | 45 | typedef unsigned long ctf_id_t; |
2e94b056 | 46 | |
143dce84 NA |
47 | /* This opaque definition allows libctf to accept BFD data structures without |
48 | importing all the BFD noise into users' namespaces. */ | |
49 | ||
50 | struct bfd; | |
51 | ||
47d546f4 NA |
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 | |
53651de8 | 54 | filling in ctf_sect_t structures and passing them to ctf_bufopen. |
47d546f4 | 55 | |
53651de8 NA |
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. */ | |
47d546f4 NA |
60 | |
61 | typedef struct ctf_sect | |
62 | { | |
63 | const char *cts_name; /* Section name (if any). */ | |
47d546f4 NA |
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). */ | |
47d546f4 NA |
67 | } ctf_sect_t; |
68 | ||
72c83edd | 69 | /* A minimal symbol extracted from a linker's internal symbol table |
3d16b64e NA |
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 | |
53651de8 | 72 | communicated via the ctf_link_add_strtab callback. */ |
72c83edd NA |
73 | |
74 | typedef struct ctf_link_sym | |
75 | { | |
3d16b64e | 76 | /* The st_name and st_nameidx will not be accessed outside the call to |
53651de8 | 77 | ctf_link_shuffle_syms. If you set st_nameidx to offset zero, make sure |
3d16b64e | 78 | to set st_nameidx_set as well. */ |
72c83edd NA |
79 | |
80 | const char *st_name; | |
3d16b64e NA |
81 | size_t st_nameidx; |
82 | int st_nameidx_set; | |
83 | uint32_t st_symidx; | |
72c83edd NA |
84 | uint32_t st_shndx; |
85 | uint32_t st_type; | |
86 | uint32_t st_value; | |
87 | } ctf_link_sym_t; | |
88 | ||
5f54462c | 89 | /* Flags applying to this specific link. */ |
72c83edd | 90 | |
b64751cf | 91 | /* Share all types that are not in conflict. The default. */ |
72c83edd NA |
92 | #define CTF_LINK_SHARE_UNCONFLICTED 0x0 |
93 | ||
0f0c11f7 | 94 | /* Share only types that are used by multiple inputs. */ |
72c83edd NA |
95 | #define CTF_LINK_SHARE_DUPLICATED 0x1 |
96 | ||
662df3c3 NA |
97 | /* Do a nondeduplicating link. */ |
98 | #define CTF_LINK_NONDEDUP 0x2 | |
99 | ||
5f54462c NA |
100 | /* Create empty outputs for all registered CU mappings even if no types are |
101 | emitted into them. */ | |
102 | #define CTF_LINK_EMPTY_CU_MAPPINGS 0x4 | |
103 | ||
e3e8411b NA |
104 | /* Omit the content of the variables section. */ |
105 | #define CTF_LINK_OMIT_VARIABLES_SECTION 0x8 | |
106 | ||
35a01a04 NA |
107 | /* If *unset*, filter out entries corresponding to linker-reported symbols |
108 | from the variable section, and filter out all entries with no linker-reported | |
109 | symbols from the data object and function info sections: if set, do no | |
110 | filtering and leave all entries in place. (This is a negative-sense flag | |
111 | because it is rare to want symbols the linker has not reported as present to | |
112 | stick around in the symtypetab sections nonetheless: relocatable links are | |
113 | the only likely case.) */ | |
114 | #define CTF_LINK_NO_FILTER_REPORTED_SYMS 0x10 | |
115 | ||
47d546f4 NA |
116 | /* Symbolic names for CTF sections. */ |
117 | ||
118 | typedef enum ctf_sect_names | |
119 | { | |
120 | CTF_SECT_HEADER, | |
121 | CTF_SECT_LABEL, | |
122 | CTF_SECT_OBJT, | |
2c78e925 | 123 | CTF_SECT_OBJTIDX = CTF_SECT_OBJT, |
47d546f4 | 124 | CTF_SECT_FUNC, |
2c78e925 | 125 | CTF_SECT_FUNCIDX = CTF_SECT_FUNC, |
47d546f4 NA |
126 | CTF_SECT_VAR, |
127 | CTF_SECT_TYPE, | |
128 | CTF_SECT_STR | |
129 | } ctf_sect_names_t; | |
130 | ||
131 | /* Encoding information for integers, floating-point values, and certain other | |
53651de8 | 132 | intrinsics can be obtained by calling ctf_type_encoding, below. The flags |
47d546f4 NA |
133 | field will contain values appropriate for the type defined in <ctf.h>. */ |
134 | ||
135 | typedef struct ctf_encoding | |
136 | { | |
137 | uint32_t cte_format; /* Data format (CTF_INT_* or CTF_FP_* flags). */ | |
138 | uint32_t cte_offset; /* Offset of value in bits. */ | |
139 | uint32_t cte_bits; /* Size of storage in bits. */ | |
140 | } ctf_encoding_t; | |
141 | ||
142 | typedef struct ctf_membinfo | |
143 | { | |
144 | ctf_id_t ctm_type; /* Type of struct or union member. */ | |
145 | unsigned long ctm_offset; /* Offset of member in bits. */ | |
146 | } ctf_membinfo_t; | |
147 | ||
148 | typedef struct ctf_arinfo | |
149 | { | |
150 | ctf_id_t ctr_contents; /* Type of array contents. */ | |
151 | ctf_id_t ctr_index; /* Type of array index. */ | |
152 | uint32_t ctr_nelems; /* Number of elements. */ | |
153 | } ctf_arinfo_t; | |
154 | ||
155 | typedef struct ctf_funcinfo | |
156 | { | |
157 | ctf_id_t ctc_return; /* Function return type. */ | |
158 | uint32_t ctc_argc; /* Number of typed arguments to function. */ | |
159 | uint32_t ctc_flags; /* Function attributes (see below). */ | |
160 | } ctf_funcinfo_t; | |
161 | ||
162 | typedef struct ctf_lblinfo | |
163 | { | |
164 | ctf_id_t ctb_type; /* Last type associated with the label. */ | |
165 | } ctf_lblinfo_t; | |
166 | ||
167 | typedef struct ctf_snapshot_id | |
168 | { | |
169 | unsigned long dtd_id; /* Highest DTD ID at time of snapshot. */ | |
170 | unsigned long snapshot_id; /* Snapshot id at time of snapshot. */ | |
171 | } ctf_snapshot_id_t; | |
172 | ||
173 | #define CTF_FUNC_VARARG 0x1 /* Function arguments end with varargs. */ | |
174 | ||
a0486bac | 175 | /* Functions that return a ctf_id_t use the following value to indicate failure. |
53651de8 NA |
176 | ctf_errno can be used to obtain an error code. Functions that return |
177 | a straight integral -1 also use ctf_errno. */ | |
a0486bac | 178 | #define CTF_ERR ((ctf_id_t) -1L) |
2e94b056 | 179 | |
0d01fbe6 TT |
180 | /* This macro holds information about all the available ctf errors. |
181 | It is used to form both an enum holding all the error constants, | |
182 | and also the error strings themselves. To use, define _CTF_FIRST | |
183 | and _CTF_ITEM to expand as you like, then mention the macro name. | |
184 | See the enum after this for an example. */ | |
185 | #define _CTF_ERRORS \ | |
186 | _CTF_FIRST (ECTF_FMT, "File is not in CTF or ELF format.") \ | |
187 | _CTF_ITEM (ECTF_BFDERR, "BFD error.") \ | |
188 | _CTF_ITEM (ECTF_CTFVERS, "CTF dict version is too new for libctf.") \ | |
189 | _CTF_ITEM (ECTF_BFD_AMBIGUOUS, "Ambiguous BFD target.") \ | |
190 | _CTF_ITEM (ECTF_SYMTAB, "Symbol table uses invalid entry size.") \ | |
191 | _CTF_ITEM (ECTF_SYMBAD, "Symbol table data buffer is not valid.") \ | |
192 | _CTF_ITEM (ECTF_STRBAD, "String table data buffer is not valid.") \ | |
193 | _CTF_ITEM (ECTF_CORRUPT, "File data structure corruption detected.") \ | |
194 | _CTF_ITEM (ECTF_NOCTFDATA, "File does not contain CTF data.") \ | |
195 | _CTF_ITEM (ECTF_NOCTFBUF, "Buffer does not contain CTF data.") \ | |
196 | _CTF_ITEM (ECTF_NOSYMTAB, "Symbol table information is not available.") \ | |
197 | _CTF_ITEM (ECTF_NOPARENT, "The parent CTF dictionary is unavailable.") \ | |
198 | _CTF_ITEM (ECTF_DMODEL, "Data model mismatch.") \ | |
199 | _CTF_ITEM (ECTF_LINKADDEDLATE, "File added to link too late.") \ | |
200 | _CTF_ITEM (ECTF_ZALLOC, "Failed to allocate (de)compression buffer.") \ | |
201 | _CTF_ITEM (ECTF_DECOMPRESS, "Failed to decompress CTF data.") \ | |
202 | _CTF_ITEM (ECTF_STRTAB, "External string table is not available.") \ | |
203 | _CTF_ITEM (ECTF_BADNAME, "String name offset is corrupt.") \ | |
204 | _CTF_ITEM (ECTF_BADID, "Invalid type identifier.") \ | |
205 | _CTF_ITEM (ECTF_NOTSOU, "Type is not a struct or union.") \ | |
206 | _CTF_ITEM (ECTF_NOTENUM, "Type is not an enum.") \ | |
207 | _CTF_ITEM (ECTF_NOTSUE, "Type is not a struct, union, or enum.") \ | |
208 | _CTF_ITEM (ECTF_NOTINTFP, "Type is not an integer, float, or enum.") \ | |
209 | _CTF_ITEM (ECTF_NOTARRAY, "Type is not an array.") \ | |
210 | _CTF_ITEM (ECTF_NOTREF, "Type does not reference another type.") \ | |
211 | _CTF_ITEM (ECTF_NAMELEN, "Buffer is too small to hold type name.") \ | |
212 | _CTF_ITEM (ECTF_NOTYPE, "No type found corresponding to name.") \ | |
213 | _CTF_ITEM (ECTF_SYNTAX, "Syntax error in type name.") \ | |
214 | _CTF_ITEM (ECTF_NOTFUNC, "Symbol table entry or type is not a function.") \ | |
215 | _CTF_ITEM (ECTF_NOFUNCDAT, "No function information available for function.") \ | |
216 | _CTF_ITEM (ECTF_NOTDATA, "Symbol table entry does not refer to a data object.") \ | |
217 | _CTF_ITEM (ECTF_NOTYPEDAT, "No type information available for symbol.") \ | |
218 | _CTF_ITEM (ECTF_NOLABEL, "No label found corresponding to name.") \ | |
219 | _CTF_ITEM (ECTF_NOLABELDATA, "File does not contain any labels.") \ | |
220 | _CTF_ITEM (ECTF_NOTSUP, "Feature not supported.") \ | |
221 | _CTF_ITEM (ECTF_NOENUMNAM, "Enum element name not found.") \ | |
222 | _CTF_ITEM (ECTF_NOMEMBNAM, "Member name not found.") \ | |
223 | _CTF_ITEM (ECTF_RDONLY, "CTF container is read-only.") \ | |
224 | _CTF_ITEM (ECTF_DTFULL, "CTF type is full (no more members allowed).") \ | |
225 | _CTF_ITEM (ECTF_FULL, "CTF container is full.") \ | |
226 | _CTF_ITEM (ECTF_DUPLICATE, "Duplicate member or variable name.") \ | |
227 | _CTF_ITEM (ECTF_CONFLICT, "Conflicting type is already defined.") \ | |
228 | _CTF_ITEM (ECTF_OVERROLLBACK, "Attempt to roll back past a ctf_update.") \ | |
229 | _CTF_ITEM (ECTF_COMPRESS, "Failed to compress CTF data.") \ | |
230 | _CTF_ITEM (ECTF_ARCREATE, "Error creating CTF archive.") \ | |
231 | _CTF_ITEM (ECTF_ARNNAME, "Name not found in CTF archive.") \ | |
232 | _CTF_ITEM (ECTF_SLICEOVERFLOW, "Overflow of type bitness or offset in slice.") \ | |
233 | _CTF_ITEM (ECTF_DUMPSECTUNKNOWN, "Unknown section number in dump.") \ | |
234 | _CTF_ITEM (ECTF_DUMPSECTCHANGED, "Section changed in middle of dump.") \ | |
235 | _CTF_ITEM (ECTF_NOTYET, "Feature not yet implemented.") \ | |
236 | _CTF_ITEM (ECTF_INTERNAL, "Internal error: assertion failure.") \ | |
237 | _CTF_ITEM (ECTF_NONREPRESENTABLE, "Type not representable in CTF.") \ | |
238 | _CTF_ITEM (ECTF_NEXT_END, "End of iteration.") \ | |
239 | _CTF_ITEM (ECTF_NEXT_WRONGFUN, "Wrong iteration function called.") \ | |
240 | _CTF_ITEM (ECTF_NEXT_WRONGFP, "Iteration entity changed in mid-iterate.") \ | |
241 | _CTF_ITEM (ECTF_FLAGS, "CTF header contains flags unknown to libctf.") \ | |
ffeece6a | 242 | _CTF_ITEM (ECTF_NEEDSBFD, "This feature needs a libctf with BFD support.") \ |
caa17049 NA |
243 | _CTF_ITEM (ECTF_INCOMPLETE, "Type is not a complete type.") \ |
244 | _CTF_ITEM (ECTF_NONAME, "Type name must not be empty.") | |
2e94b056 | 245 | |
0d01fbe6 | 246 | #define ECTF_BASE 1000 /* Base value for libctf errnos. */ |
2e94b056 NA |
247 | |
248 | enum | |
249 | { | |
0d01fbe6 TT |
250 | #define _CTF_FIRST(NAME, STR) NAME = ECTF_BASE |
251 | #define _CTF_ITEM(NAME, STR) , NAME | |
252 | _CTF_ERRORS | |
253 | #undef _CTF_ITEM | |
254 | #undef _CTF_FIRST | |
2e94b056 NA |
255 | }; |
256 | ||
caa17049 | 257 | #define ECTF_NERR (ECTF_NONAME - ECTF_BASE + 1) /* Count of CTF errors. */ |
7eea9d3b | 258 | |
2e94b056 | 259 | /* The CTF data model is inferred to be the caller's data model or the data |
53651de8 | 260 | model of the given object, unless ctf_setmodel is explicitly called. */ |
2e94b056 NA |
261 | #define CTF_MODEL_ILP32 1 /* Object data model is ILP32. */ |
262 | #define CTF_MODEL_LP64 2 /* Object data model is LP64. */ | |
263 | #ifdef _LP64 | |
264 | # define CTF_MODEL_NATIVE CTF_MODEL_LP64 | |
265 | #else | |
266 | # define CTF_MODEL_NATIVE CTF_MODEL_ILP32 | |
267 | #endif | |
268 | ||
53651de8 | 269 | /* Dynamic CTF containers can be created using ctf_create. The ctf_add_* |
2e94b056 NA |
270 | routines can be used to add new definitions to the dynamic container. |
271 | New types are labeled as root or non-root to determine whether they are | |
272 | visible at the top-level program scope when subsequently doing a lookup. */ | |
273 | ||
274 | #define CTF_ADD_NONROOT 0 /* Type only visible in nested scope. */ | |
275 | #define CTF_ADD_ROOT 1 /* Type visible at top-level scope. */ | |
276 | ||
6c3a3877 NA |
277 | /* Flags for ctf_member_next. */ |
278 | ||
279 | #define CTF_MN_RECURSE 0x1 /* Recurse into unnamed members. */ | |
280 | ||
688d28f6 NA |
281 | /* These typedefs are used to define the signature for callback functions that |
282 | can be used with the iteration and visit functions below. There is also a | |
283 | family of iteration functions that do not require callbacks. */ | |
9402cc59 | 284 | |
316afdb1 NA |
285 | typedef int ctf_visit_f (const char *name, ctf_id_t type, unsigned long offset, |
286 | int depth, void *arg); | |
287 | typedef int ctf_member_f (const char *name, ctf_id_t membtype, | |
288 | unsigned long offset, void *arg); | |
289 | typedef int ctf_enum_f (const char *name, int val, void *arg); | |
290 | typedef int ctf_variable_f (const char *name, ctf_id_t type, void *arg); | |
291 | typedef int ctf_type_f (ctf_id_t type, void *arg); | |
0ac62312 | 292 | typedef int ctf_type_all_f (ctf_id_t type, int flag, void *arg); |
6dbf2b73 NA |
293 | typedef int ctf_label_f (const char *name, const ctf_lblinfo_t *info, |
294 | void *arg); | |
139633c3 | 295 | typedef int ctf_archive_member_f (ctf_dict_t *fp, const char *name, void *arg); |
9402cc59 NA |
296 | typedef int ctf_archive_raw_member_f (const char *name, const void *content, |
297 | size_t len, void *arg); | |
a30b3e18 NA |
298 | typedef char *ctf_dump_decorate_f (ctf_sect_names_t sect, |
299 | char *line, void *arg); | |
300 | ||
301 | typedef struct ctf_dump_state ctf_dump_state_t; | |
9402cc59 | 302 | |
53651de8 | 303 | /* Iteration state for the _next functions, and allocators/copiers/freers for |
688d28f6 | 304 | it. (None of these are needed for the simple case of iterating to the end: |
53651de8 | 305 | the _next function allocate and free the iterators for you.) */ |
688d28f6 NA |
306 | |
307 | typedef struct ctf_next ctf_next_t; | |
308 | extern ctf_next_t *ctf_next_create (void); | |
309 | extern void ctf_next_destroy (ctf_next_t *); | |
310 | extern ctf_next_t *ctf_next_copy (ctf_next_t *); | |
311 | ||
143dce84 NA |
312 | /* Opening. These mostly return an abstraction over both CTF files and CTF |
313 | archives: so they can be used to open both. CTF files will appear to be an | |
314 | archive with one member named '.ctf'. The low-level functions | |
53651de8 | 315 | ctf_simple_open and ctf_bufopen return ctf_dict_t's directly, and cannot |
143dce84 NA |
316 | be used on CTF archives. */ |
317 | ||
318 | extern ctf_archive_t *ctf_bfdopen (struct bfd *, int *); | |
319 | extern ctf_archive_t *ctf_bfdopen_ctfsect (struct bfd *, const ctf_sect_t *, | |
320 | int *); | |
321 | extern ctf_archive_t *ctf_fdopen (int fd, const char *filename, | |
322 | const char *target, int *errp); | |
323 | extern ctf_archive_t *ctf_open (const char *filename, | |
324 | const char *target, int *errp); | |
325 | extern void ctf_close (ctf_archive_t *); | |
139633c3 | 326 | extern ctf_sect_t ctf_getdatasect (const ctf_dict_t *); |
97a2a623 NA |
327 | extern ctf_sect_t ctf_getsymsect (const ctf_dict_t *); |
328 | extern ctf_sect_t ctf_getstrsect (const ctf_dict_t *); | |
53651de8 | 329 | extern void ctf_symsect_endianness (ctf_dict_t *, int little_endian); |
139633c3 | 330 | extern ctf_archive_t *ctf_get_arc (const ctf_dict_t *); |
143dce84 | 331 | extern ctf_archive_t *ctf_arc_open (const char *, int *); |
2f6ecaed NA |
332 | extern ctf_archive_t *ctf_arc_bufopen (const ctf_sect_t *, |
333 | const ctf_sect_t *, | |
334 | const ctf_sect_t *, | |
335 | int *); | |
53651de8 | 336 | extern void ctf_arc_symsect_endianness (ctf_archive_t *, int little_endian); |
9402cc59 | 337 | extern void ctf_arc_close (ctf_archive_t *); |
2c78e925 NA |
338 | extern ctf_dict_t *ctf_arc_lookup_symbol (ctf_archive_t *, |
339 | unsigned long symidx, | |
340 | ctf_id_t *, int *errp); | |
341 | extern void ctf_arc_flush_caches (ctf_archive_t *); | |
ae41200b NA |
342 | extern ctf_dict_t *ctf_dict_open (const ctf_archive_t *, |
343 | const char *, int *); | |
344 | extern ctf_dict_t *ctf_dict_open_sections (const ctf_archive_t *, | |
345 | const ctf_sect_t *, | |
346 | const ctf_sect_t *, | |
347 | const char *, int *); | |
9c23dfa5 | 348 | extern size_t ctf_archive_count (const ctf_archive_t *); |
9402cc59 NA |
349 | |
350 | /* The next functions return or close real CTF files, or write out CTF archives, | |
351 | not opaque containers around either. */ | |
352 | ||
139633c3 | 353 | extern ctf_dict_t *ctf_simple_open (const char *, size_t, const char *, size_t, |
47d546f4 | 354 | size_t, const char *, size_t, int *); |
139633c3 | 355 | extern ctf_dict_t *ctf_bufopen (const ctf_sect_t *, const ctf_sect_t *, |
47d546f4 | 356 | const ctf_sect_t *, int *); |
139633c3 NA |
357 | extern void ctf_ref (ctf_dict_t *); |
358 | extern void ctf_dict_close (ctf_dict_t *); | |
72f33921 | 359 | |
139633c3 | 360 | extern int ctf_arc_write (const char *, ctf_dict_t **, size_t, |
9402cc59 | 361 | const char **, size_t); |
139633c3 | 362 | extern int ctf_arc_write_fd (int, ctf_dict_t **, size_t, const char **, |
5537f9b9 | 363 | size_t); |
9402cc59 | 364 | |
139633c3 NA |
365 | extern const char *ctf_cuname (ctf_dict_t *); |
366 | extern int ctf_cuname_set (ctf_dict_t *, const char *); | |
367 | extern ctf_dict_t *ctf_parent_dict (ctf_dict_t *); | |
368 | extern const char *ctf_parent_name (ctf_dict_t *); | |
369 | extern int ctf_parent_name_set (ctf_dict_t *, const char *); | |
370 | extern int ctf_type_isparent (ctf_dict_t *, ctf_id_t); | |
371 | extern int ctf_type_ischild (ctf_dict_t *, ctf_id_t); | |
72f33921 | 372 | |
139633c3 NA |
373 | extern int ctf_import (ctf_dict_t *, ctf_dict_t *); |
374 | extern int ctf_setmodel (ctf_dict_t *, int); | |
375 | extern int ctf_getmodel (ctf_dict_t *); | |
72f33921 | 376 | |
139633c3 NA |
377 | extern void ctf_setspecific (ctf_dict_t *, void *); |
378 | extern void *ctf_getspecific (ctf_dict_t *); | |
47d546f4 | 379 | |
139633c3 | 380 | extern int ctf_errno (ctf_dict_t *); |
479604f4 | 381 | extern const char *ctf_errmsg (int); |
6c33b742 | 382 | extern int ctf_version (int); |
316afdb1 | 383 | |
139633c3 NA |
384 | extern int ctf_func_info (ctf_dict_t *, unsigned long, ctf_funcinfo_t *); |
385 | extern int ctf_func_args (ctf_dict_t *, unsigned long, uint32_t, ctf_id_t *); | |
386 | extern int ctf_func_type_info (ctf_dict_t *, ctf_id_t, ctf_funcinfo_t *); | |
387 | extern int ctf_func_type_args (ctf_dict_t *, ctf_id_t, uint32_t, ctf_id_t *); | |
388 | ||
389 | extern ctf_id_t ctf_lookup_by_name (ctf_dict_t *, const char *); | |
390 | extern ctf_id_t ctf_lookup_by_symbol (ctf_dict_t *, unsigned long); | |
1136c379 NA |
391 | extern ctf_id_t ctf_symbol_next (ctf_dict_t *, ctf_next_t **, |
392 | const char **name, int functions); | |
139633c3 NA |
393 | extern ctf_id_t ctf_lookup_variable (ctf_dict_t *, const char *); |
394 | ||
395 | extern ctf_id_t ctf_type_resolve (ctf_dict_t *, ctf_id_t); | |
396 | extern char *ctf_type_aname (ctf_dict_t *, ctf_id_t); | |
397 | extern char *ctf_type_aname_raw (ctf_dict_t *, ctf_id_t); | |
398 | extern ssize_t ctf_type_lname (ctf_dict_t *, ctf_id_t, char *, size_t); | |
399 | extern char *ctf_type_name (ctf_dict_t *, ctf_id_t, char *, size_t); | |
400 | extern const char *ctf_type_name_raw (ctf_dict_t *, ctf_id_t); | |
401 | extern ssize_t ctf_type_size (ctf_dict_t *, ctf_id_t); | |
402 | extern ssize_t ctf_type_align (ctf_dict_t *, ctf_id_t); | |
403 | extern int ctf_type_kind (ctf_dict_t *, ctf_id_t); | |
404 | extern int ctf_type_kind_forwarded (ctf_dict_t *, ctf_id_t); | |
405 | extern ctf_id_t ctf_type_reference (ctf_dict_t *, ctf_id_t); | |
406 | extern ctf_id_t ctf_type_pointer (ctf_dict_t *, ctf_id_t); | |
407 | extern int ctf_type_encoding (ctf_dict_t *, ctf_id_t, ctf_encoding_t *); | |
408 | extern int ctf_type_visit (ctf_dict_t *, ctf_id_t, ctf_visit_f *, void *); | |
409 | extern int ctf_type_cmp (ctf_dict_t *, ctf_id_t, ctf_dict_t *, ctf_id_t); | |
410 | extern int ctf_type_compat (ctf_dict_t *, ctf_id_t, ctf_dict_t *, ctf_id_t); | |
411 | ||
412 | extern int ctf_member_info (ctf_dict_t *, ctf_id_t, const char *, | |
316afdb1 | 413 | ctf_membinfo_t *); |
139633c3 | 414 | extern int ctf_array_info (ctf_dict_t *, ctf_id_t, ctf_arinfo_t *); |
316afdb1 | 415 | |
139633c3 NA |
416 | extern const char *ctf_enum_name (ctf_dict_t *, ctf_id_t, int); |
417 | extern int ctf_enum_value (ctf_dict_t *, ctf_id_t, const char *, int *); | |
316afdb1 | 418 | |
139633c3 NA |
419 | extern void ctf_label_set (ctf_dict_t *, const char *); |
420 | extern const char *ctf_label_get (ctf_dict_t *); | |
6dbf2b73 | 421 | |
139633c3 NA |
422 | extern const char *ctf_label_topmost (ctf_dict_t *); |
423 | extern int ctf_label_info (ctf_dict_t *, const char *, ctf_lblinfo_t *); | |
6dbf2b73 | 424 | |
139633c3 NA |
425 | extern int ctf_member_count (ctf_dict_t *, ctf_id_t); |
426 | extern int ctf_member_iter (ctf_dict_t *, ctf_id_t, ctf_member_f *, void *); | |
427 | extern ssize_t ctf_member_next (ctf_dict_t *, ctf_id_t, ctf_next_t **, | |
6c3a3877 NA |
428 | const char **name, ctf_id_t *membtype, |
429 | int flags); | |
139633c3 NA |
430 | extern int ctf_enum_iter (ctf_dict_t *, ctf_id_t, ctf_enum_f *, void *); |
431 | extern const char *ctf_enum_next (ctf_dict_t *, ctf_id_t, ctf_next_t **, | |
688d28f6 | 432 | int *); |
139633c3 NA |
433 | extern int ctf_type_iter (ctf_dict_t *, ctf_type_f *, void *); |
434 | extern int ctf_type_iter_all (ctf_dict_t *, ctf_type_all_f *, void *); | |
435 | extern ctf_id_t ctf_type_next (ctf_dict_t *, ctf_next_t **, | |
688d28f6 | 436 | int *flag, int want_hidden); |
139633c3 NA |
437 | extern int ctf_label_iter (ctf_dict_t *, ctf_label_f *, void *); |
438 | extern int ctf_label_next (ctf_dict_t *, ctf_next_t **, const char **); /* TBD */ | |
439 | extern int ctf_variable_iter (ctf_dict_t *, ctf_variable_f *, void *); | |
440 | extern ctf_id_t ctf_variable_next (ctf_dict_t *, ctf_next_t **, | |
688d28f6 | 441 | const char **); |
9402cc59 NA |
442 | extern int ctf_archive_iter (const ctf_archive_t *, ctf_archive_member_f *, |
443 | void *); | |
139633c3 | 444 | extern ctf_dict_t *ctf_archive_next (const ctf_archive_t *, ctf_next_t **, |
688d28f6 NA |
445 | const char **, int skip_parent, int *errp); |
446 | ||
9402cc59 NA |
447 | /* This function alone does not currently operate on CTF files masquerading |
448 | as archives, and returns -EINVAL: the raw data is no longer available. It is | |
449 | expected to be used only by archiving tools, in any case, which have no need | |
450 | to deal with non-archives at all. */ | |
451 | extern int ctf_archive_raw_iter (const ctf_archive_t *, | |
452 | ctf_archive_raw_member_f *, void *); | |
139633c3 | 453 | extern char *ctf_dump (ctf_dict_t *, ctf_dump_state_t **state, |
a30b3e18 NA |
454 | ctf_sect_names_t sect, ctf_dump_decorate_f *, |
455 | void *arg); | |
316afdb1 | 456 | |
8b37e7b6 NA |
457 | /* Error-warning reporting: an 'iterator' that returns errors and warnings from |
458 | the error/warning list, in order of emission. Errors and warnings are popped | |
459 | after return: the caller must free the returned error-text pointer. */ | |
139633c3 | 460 | extern char *ctf_errwarning_next (ctf_dict_t *, ctf_next_t **, |
926c9e76 | 461 | int *is_warning, int *errp); |
8b37e7b6 | 462 | |
139633c3 | 463 | extern ctf_id_t ctf_add_array (ctf_dict_t *, uint32_t, |
47d546f4 | 464 | const ctf_arinfo_t *); |
139633c3 NA |
465 | extern ctf_id_t ctf_add_const (ctf_dict_t *, uint32_t, ctf_id_t); |
466 | extern ctf_id_t ctf_add_enum_encoded (ctf_dict_t *, uint32_t, const char *, | |
47d546f4 | 467 | const ctf_encoding_t *); |
139633c3 NA |
468 | extern ctf_id_t ctf_add_enum (ctf_dict_t *, uint32_t, const char *); |
469 | extern ctf_id_t ctf_add_float (ctf_dict_t *, uint32_t, | |
47d546f4 | 470 | const char *, const ctf_encoding_t *); |
139633c3 | 471 | extern ctf_id_t ctf_add_forward (ctf_dict_t *, uint32_t, const char *, |
47d546f4 | 472 | uint32_t); |
139633c3 | 473 | extern ctf_id_t ctf_add_function (ctf_dict_t *, uint32_t, |
47d546f4 | 474 | const ctf_funcinfo_t *, const ctf_id_t *); |
139633c3 | 475 | extern ctf_id_t ctf_add_integer (ctf_dict_t *, uint32_t, const char *, |
47d546f4 | 476 | const ctf_encoding_t *); |
139633c3 NA |
477 | extern ctf_id_t ctf_add_slice (ctf_dict_t *, uint32_t, ctf_id_t, const ctf_encoding_t *); |
478 | extern ctf_id_t ctf_add_pointer (ctf_dict_t *, uint32_t, ctf_id_t); | |
479 | extern ctf_id_t ctf_add_type (ctf_dict_t *, ctf_dict_t *, ctf_id_t); | |
480 | extern ctf_id_t ctf_add_typedef (ctf_dict_t *, uint32_t, const char *, | |
47d546f4 | 481 | ctf_id_t); |
139633c3 NA |
482 | extern ctf_id_t ctf_add_restrict (ctf_dict_t *, uint32_t, ctf_id_t); |
483 | extern ctf_id_t ctf_add_struct (ctf_dict_t *, uint32_t, const char *); | |
484 | extern ctf_id_t ctf_add_union (ctf_dict_t *, uint32_t, const char *); | |
485 | extern ctf_id_t ctf_add_struct_sized (ctf_dict_t *, uint32_t, const char *, | |
47d546f4 | 486 | size_t); |
139633c3 | 487 | extern ctf_id_t ctf_add_union_sized (ctf_dict_t *, uint32_t, const char *, |
47d546f4 | 488 | size_t); |
139633c3 | 489 | extern ctf_id_t ctf_add_volatile (ctf_dict_t *, uint32_t, ctf_id_t); |
47d546f4 | 490 | |
139633c3 NA |
491 | extern int ctf_add_enumerator (ctf_dict_t *, ctf_id_t, const char *, int); |
492 | extern int ctf_add_member (ctf_dict_t *, ctf_id_t, const char *, ctf_id_t); | |
493 | extern int ctf_add_member_offset (ctf_dict_t *, ctf_id_t, const char *, | |
47d546f4 | 494 | ctf_id_t, unsigned long); |
139633c3 | 495 | extern int ctf_add_member_encoded (ctf_dict_t *, ctf_id_t, const char *, |
47d546f4 NA |
496 | ctf_id_t, unsigned long, |
497 | const ctf_encoding_t); | |
498 | ||
139633c3 | 499 | extern int ctf_add_variable (ctf_dict_t *, const char *, ctf_id_t); |
47d546f4 | 500 | |
1136c379 NA |
501 | extern int ctf_add_objt_sym (ctf_dict_t *, const char *, ctf_id_t); |
502 | extern int ctf_add_func_sym (ctf_dict_t *, const char *, ctf_id_t); | |
503 | ||
139633c3 | 504 | extern int ctf_set_array (ctf_dict_t *, ctf_id_t, const ctf_arinfo_t *); |
47d546f4 | 505 | |
139633c3 NA |
506 | extern ctf_dict_t *ctf_create (int *); |
507 | extern int ctf_update (ctf_dict_t *); | |
508 | extern ctf_snapshot_id_t ctf_snapshot (ctf_dict_t *); | |
509 | extern int ctf_rollback (ctf_dict_t *, ctf_snapshot_id_t); | |
510 | extern int ctf_discard (ctf_dict_t *); | |
511 | extern int ctf_write (ctf_dict_t *, int); | |
512 | extern int ctf_gzwrite (ctf_dict_t *fp, gzFile fd); | |
513 | extern int ctf_compress_write (ctf_dict_t * fp, int fd); | |
514 | extern unsigned char *ctf_write_mem (ctf_dict_t *, size_t *, size_t threshold); | |
2e94b056 | 515 | |
139633c3 | 516 | extern int ctf_link_add_ctf (ctf_dict_t *, ctf_archive_t *, const char *); |
6dd2819f NA |
517 | /* The variable filter should return nonzero if a variable should not |
518 | appear in the output. */ | |
139633c3 | 519 | typedef int ctf_link_variable_filter_f (ctf_dict_t *, const char *, ctf_id_t, |
6dd2819f | 520 | void *); |
139633c3 | 521 | extern int ctf_link_set_variable_filter (ctf_dict_t *, |
6dd2819f | 522 | ctf_link_variable_filter_f *, void *); |
139633c3 | 523 | extern int ctf_link (ctf_dict_t *, int flags); |
72c83edd | 524 | typedef const char *ctf_link_strtab_string_f (uint32_t *offset, void *arg); |
139633c3 | 525 | extern int ctf_link_add_strtab (ctf_dict_t *, ctf_link_strtab_string_f *, |
72c83edd | 526 | void *); |
3d16b64e NA |
527 | extern int ctf_link_add_linker_symbol (ctf_dict_t *, ctf_link_sym_t *); |
528 | extern int ctf_link_shuffle_syms (ctf_dict_t *); | |
139633c3 | 529 | extern unsigned char *ctf_link_write (ctf_dict_t *, size_t *size, |
72c83edd NA |
530 | size_t threshold); |
531 | ||
49ea9b45 | 532 | /* Specialist linker functions. These functions are not used by ld, but can be |
b64751cf | 533 | used by other programs making use of the linker machinery for other purposes |
49ea9b45 | 534 | to customize its output. */ |
139633c3 | 535 | extern int ctf_link_add_cu_mapping (ctf_dict_t *, const char *from, |
49ea9b45 | 536 | const char *to); |
139633c3 | 537 | typedef char *ctf_link_memb_name_changer_f (ctf_dict_t *, |
49ea9b45 NA |
538 | const char *, void *); |
539 | extern void ctf_link_set_memb_name_changer | |
139633c3 | 540 | (ctf_dict_t *, ctf_link_memb_name_changer_f *, void *); |
49ea9b45 | 541 | |
60da9d95 NA |
542 | extern void ctf_setdebug (int debug); |
543 | extern int ctf_getdebug (void); | |
544 | ||
139633c3 NA |
545 | /* Deprecated aliases for existing functions and types. */ |
546 | ||
547 | struct ctf_file; | |
548 | typedef struct ctf_dict ctf_file_t; | |
549 | extern void ctf_file_close (ctf_file_t *); | |
550 | extern ctf_dict_t *ctf_parent_file (ctf_dict_t *); | |
ae41200b NA |
551 | extern ctf_dict_t *ctf_arc_open_by_name (const ctf_archive_t *, |
552 | const char *, int *); | |
553 | extern ctf_dict_t *ctf_arc_open_by_name_sections (const ctf_archive_t *, | |
554 | const ctf_sect_t *, | |
555 | const ctf_sect_t *, | |
556 | const char *, int *); | |
139633c3 | 557 | |
2e94b056 NA |
558 | #ifdef __cplusplus |
559 | } | |
560 | #endif | |
561 | ||
562 | #endif /* _CTF_API_H */ |