| 1 | /* Internal header for GDB/Scheme code. |
| 2 | |
| 3 | Copyright (C) 2014-2015 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | /* See README file in this directory for implementation notes, coding |
| 21 | conventions, et.al. */ |
| 22 | |
| 23 | #ifndef GDB_GUILE_INTERNAL_H |
| 24 | #define GDB_GUILE_INTERNAL_H |
| 25 | |
| 26 | #include "hashtab.h" |
| 27 | #include "extension-priv.h" |
| 28 | #include "symtab.h" |
| 29 | #include "libguile.h" |
| 30 | |
| 31 | struct block; |
| 32 | struct frame_info; |
| 33 | struct objfile; |
| 34 | struct symbol; |
| 35 | |
| 36 | /* A function to pass to the safe-call routines to ignore things like |
| 37 | memory errors. */ |
| 38 | typedef int excp_matcher_func (SCM key); |
| 39 | |
| 40 | /* Scheme variables to define during initialization. */ |
| 41 | |
| 42 | typedef struct |
| 43 | { |
| 44 | const char *name; |
| 45 | SCM value; |
| 46 | const char *doc_string; |
| 47 | } scheme_variable; |
| 48 | |
| 49 | /* End of scheme_variable table mark. */ |
| 50 | |
| 51 | #define END_VARIABLES { NULL, SCM_BOOL_F, NULL } |
| 52 | |
| 53 | #ifdef __cplusplus |
| 54 | |
| 55 | /* Although scm_t_subr is meant to hold a function pointer, at least |
| 56 | in some versions of guile, it is actually a typedef to "void *". |
| 57 | That means that in C++, an explicit cast is necessary to convert |
| 58 | function pointer to scm_t_subr. But a cast also makes it possible |
| 59 | to pass function pointers with the wrong type by mistake. So |
| 60 | instead of adding such casts throughout, we use 'as_a_scm_t_subr' |
| 61 | to do the conversion, which (only) has overloads for function |
| 62 | pointer types that are valid. |
| 63 | |
| 64 | See https://lists.gnu.org/archive/html/guile-devel/2013-03/msg00001.html. |
| 65 | */ |
| 66 | |
| 67 | static inline scm_t_subr |
| 68 | as_a_scm_t_subr (SCM (*func) (void)) |
| 69 | { |
| 70 | return (scm_t_subr) func; |
| 71 | } |
| 72 | |
| 73 | static inline scm_t_subr |
| 74 | as_a_scm_t_subr (SCM (*func) (SCM)) |
| 75 | { |
| 76 | return (scm_t_subr) func; |
| 77 | } |
| 78 | |
| 79 | static inline scm_t_subr |
| 80 | as_a_scm_t_subr (SCM (*func) (SCM, SCM)) |
| 81 | { |
| 82 | return (scm_t_subr) func; |
| 83 | } |
| 84 | |
| 85 | static inline scm_t_subr |
| 86 | as_a_scm_t_subr (SCM (*func) (SCM, SCM, SCM)) |
| 87 | { |
| 88 | return (scm_t_subr) func; |
| 89 | } |
| 90 | |
| 91 | #else |
| 92 | |
| 93 | /* In C, just do an implicit conversion. */ |
| 94 | #define as_a_scm_t_subr(func) func |
| 95 | |
| 96 | #endif |
| 97 | /* Scheme functions to define during initialization. */ |
| 98 | |
| 99 | typedef struct |
| 100 | { |
| 101 | const char *name; |
| 102 | int required; |
| 103 | int optional; |
| 104 | int rest; |
| 105 | scm_t_subr func; |
| 106 | const char *doc_string; |
| 107 | } scheme_function; |
| 108 | |
| 109 | /* End of scheme_function table mark. */ |
| 110 | |
| 111 | #define END_FUNCTIONS { NULL, 0, 0, 0, NULL, NULL } |
| 112 | |
| 113 | /* Useful for defining a set of constants. */ |
| 114 | |
| 115 | typedef struct |
| 116 | { |
| 117 | const char *name; |
| 118 | int value; |
| 119 | } scheme_integer_constant; |
| 120 | |
| 121 | #define END_INTEGER_CONSTANTS { NULL, 0 } |
| 122 | |
| 123 | /* Pass this instead of 0 to routines like SCM_ASSERT to indicate the value |
| 124 | is not a function argument. */ |
| 125 | #define GDBSCM_ARG_NONE 0 |
| 126 | |
| 127 | /* Ensure new code doesn't accidentally try to use this. */ |
| 128 | #undef scm_make_smob_type |
| 129 | #define scm_make_smob_type USE_gdbscm_make_smob_type_INSTEAD |
| 130 | |
| 131 | /* They brought over () == #f from lisp. |
| 132 | Let's avoid that for now. */ |
| 133 | #undef scm_is_bool |
| 134 | #undef scm_is_false |
| 135 | #undef scm_is_true |
| 136 | #define scm_is_bool USE_gdbscm_is_bool_INSTEAD |
| 137 | #define scm_is_false USE_gdbscm_is_false_INSTEAD |
| 138 | #define scm_is_true USE_gdbscm_is_true_INSTEAD |
| 139 | #define gdbscm_is_bool(scm) \ |
| 140 | (scm_is_eq ((scm), SCM_BOOL_F) || scm_is_eq ((scm), SCM_BOOL_T)) |
| 141 | #define gdbscm_is_false(scm) scm_is_eq ((scm), SCM_BOOL_F) |
| 142 | #define gdbscm_is_true(scm) (!gdbscm_is_false (scm)) |
| 143 | |
| 144 | #ifndef HAVE_SCM_NEW_SMOB |
| 145 | |
| 146 | /* Guile <= 2.0.5 did not provide this function, so provide it here. */ |
| 147 | |
| 148 | static inline SCM |
| 149 | scm_new_smob (scm_t_bits tc, scm_t_bits data) |
| 150 | { |
| 151 | SCM_RETURN_NEWSMOB (tc, data); |
| 152 | } |
| 153 | |
| 154 | #endif |
| 155 | |
| 156 | /* Function name that is passed around in case an error needs to be reported. |
| 157 | __func is in C99, but we provide a wrapper "just in case", |
| 158 | and because FUNC_NAME is the canonical value used in guile sources. |
| 159 | IWBN to use the Scheme version of the name (e.g. foo-bar vs foo_bar), |
| 160 | but let's KISS for now. */ |
| 161 | #define FUNC_NAME __func__ |
| 162 | |
| 163 | extern const char gdbscm_module_name[]; |
| 164 | extern const char gdbscm_init_module_name[]; |
| 165 | |
| 166 | extern int gdb_scheme_initialized; |
| 167 | |
| 168 | extern int gdbscm_guile_major_version; |
| 169 | extern int gdbscm_guile_minor_version; |
| 170 | extern int gdbscm_guile_micro_version; |
| 171 | |
| 172 | extern const char gdbscm_print_excp_none[]; |
| 173 | extern const char gdbscm_print_excp_full[]; |
| 174 | extern const char gdbscm_print_excp_message[]; |
| 175 | extern const char *gdbscm_print_excp; |
| 176 | |
| 177 | extern SCM gdbscm_documentation_symbol; |
| 178 | extern SCM gdbscm_invalid_object_error_symbol; |
| 179 | |
| 180 | extern SCM gdbscm_map_string; |
| 181 | extern SCM gdbscm_array_string; |
| 182 | extern SCM gdbscm_string_string; |
| 183 | \f |
| 184 | /* scm-utils.c */ |
| 185 | |
| 186 | extern void gdbscm_define_variables (const scheme_variable *, int is_public); |
| 187 | |
| 188 | extern void gdbscm_define_functions (const scheme_function *, int is_public); |
| 189 | |
| 190 | extern void gdbscm_define_integer_constants (const scheme_integer_constant *, |
| 191 | int is_public); |
| 192 | |
| 193 | extern void gdbscm_printf (SCM port, const char *format, ...) |
| 194 | ATTRIBUTE_PRINTF (2, 3); |
| 195 | |
| 196 | extern void gdbscm_debug_display (SCM obj); |
| 197 | |
| 198 | extern void gdbscm_debug_write (SCM obj); |
| 199 | |
| 200 | extern void gdbscm_parse_function_args (const char *function_name, |
| 201 | int beginning_arg_pos, |
| 202 | const SCM *keywords, |
| 203 | const char *format, ...); |
| 204 | |
| 205 | extern SCM gdbscm_scm_from_longest (LONGEST l); |
| 206 | |
| 207 | extern LONGEST gdbscm_scm_to_longest (SCM l); |
| 208 | |
| 209 | extern SCM gdbscm_scm_from_ulongest (ULONGEST l); |
| 210 | |
| 211 | extern ULONGEST gdbscm_scm_to_ulongest (SCM u); |
| 212 | |
| 213 | extern void gdbscm_dynwind_xfree (void *ptr); |
| 214 | |
| 215 | extern int gdbscm_is_procedure (SCM proc); |
| 216 | |
| 217 | extern char *gdbscm_gc_xstrdup (const char *); |
| 218 | |
| 219 | extern const char * const *gdbscm_gc_dup_argv (char **argv); |
| 220 | |
| 221 | extern int gdbscm_guile_version_is_at_least (int major, int minor, int micro); |
| 222 | \f |
| 223 | /* GDB smobs, from scm-gsmob.c */ |
| 224 | |
| 225 | /* All gdb smobs must contain one of the following as the first member: |
| 226 | gdb_smob, chained_gdb_smob, or eqable_gdb_smob. |
| 227 | |
| 228 | Chained GDB smobs should have chained_gdb_smob as their first member. The |
| 229 | next,prev members of chained_gdb_smob allow for chaining gsmobs together so |
| 230 | that, for example, when an objfile is deleted we can clean up all smobs that |
| 231 | reference it. |
| 232 | |
| 233 | Eq-able GDB smobs should have eqable_gdb_smob as their first member. The |
| 234 | containing_scm member of eqable_gdb_smob allows for returning the same gsmob |
| 235 | instead of creating a new one, allowing them to be eq?-able. |
| 236 | |
| 237 | All other smobs should have gdb_smob as their first member. |
| 238 | FIXME: dje/2014-05-26: gdb_smob was useful during early development as a |
| 239 | "baseclass" for all gdb smobs. If it's still unused by gdb 8.0 delete it. |
| 240 | |
| 241 | IMPORTANT: chained_gdb_smob and eqable_gdb-smob are "subclasses" of |
| 242 | gdb_smob. The layout of chained_gdb_smob,eqable_gdb_smob must match |
| 243 | gdb_smob as if it is a subclass. To that end we use macro GDB_SMOB_HEAD |
| 244 | to ensure this. */ |
| 245 | |
| 246 | #define GDB_SMOB_HEAD \ |
| 247 | int empty_base_class; |
| 248 | |
| 249 | typedef struct |
| 250 | { |
| 251 | GDB_SMOB_HEAD |
| 252 | } gdb_smob; |
| 253 | |
| 254 | typedef struct _chained_gdb_smob |
| 255 | { |
| 256 | GDB_SMOB_HEAD |
| 257 | |
| 258 | struct _chained_gdb_smob *prev; |
| 259 | struct _chained_gdb_smob *next; |
| 260 | } chained_gdb_smob; |
| 261 | |
| 262 | typedef struct _eqable_gdb_smob |
| 263 | { |
| 264 | GDB_SMOB_HEAD |
| 265 | |
| 266 | /* The object we are contained in. |
| 267 | This can be used for several purposes. |
| 268 | This is used by the eq? machinery: We need to be able to see if we have |
| 269 | already created an object for a symbol, and if so use that SCM. |
| 270 | This may also be used to protect the smob from GC if there is |
| 271 | a reference to this smob from outside of GC space (i.e., from gdb). |
| 272 | This can also be used in place of chained_gdb_smob where we need to |
| 273 | keep track of objfile referencing objects. When the objfile is deleted |
| 274 | we need to invalidate the objects: we can do that using the same hashtab |
| 275 | used to record the smob for eq-ability. */ |
| 276 | SCM containing_scm; |
| 277 | } eqable_gdb_smob; |
| 278 | |
| 279 | #undef GDB_SMOB_HEAD |
| 280 | |
| 281 | struct objfile; |
| 282 | struct objfile_data; |
| 283 | |
| 284 | /* A predicate that returns non-zero if an object is a particular kind |
| 285 | of gsmob. */ |
| 286 | typedef int (gsmob_pred_func) (SCM); |
| 287 | |
| 288 | extern scm_t_bits gdbscm_make_smob_type (const char *name, size_t size); |
| 289 | |
| 290 | extern void gdbscm_init_gsmob (gdb_smob *base); |
| 291 | |
| 292 | extern void gdbscm_init_chained_gsmob (chained_gdb_smob *base); |
| 293 | |
| 294 | extern void gdbscm_init_eqable_gsmob (eqable_gdb_smob *base, |
| 295 | SCM containing_scm); |
| 296 | |
| 297 | extern void gdbscm_add_objfile_ref (struct objfile *objfile, |
| 298 | const struct objfile_data *data_key, |
| 299 | chained_gdb_smob *g_smob); |
| 300 | |
| 301 | extern void gdbscm_remove_objfile_ref (struct objfile *objfile, |
| 302 | const struct objfile_data *data_key, |
| 303 | chained_gdb_smob *g_smob); |
| 304 | |
| 305 | extern htab_t gdbscm_create_eqable_gsmob_ptr_map (htab_hash hash_fn, |
| 306 | htab_eq eq_fn); |
| 307 | |
| 308 | extern eqable_gdb_smob **gdbscm_find_eqable_gsmob_ptr_slot |
| 309 | (htab_t htab, eqable_gdb_smob *base); |
| 310 | |
| 311 | extern void gdbscm_fill_eqable_gsmob_ptr_slot (eqable_gdb_smob **slot, |
| 312 | eqable_gdb_smob *base); |
| 313 | |
| 314 | extern void gdbscm_clear_eqable_gsmob_ptr_slot (htab_t htab, |
| 315 | eqable_gdb_smob *base); |
| 316 | \f |
| 317 | /* Exceptions and calling out to Guile. */ |
| 318 | |
| 319 | /* scm-exception.c */ |
| 320 | |
| 321 | extern SCM gdbscm_make_exception (SCM tag, SCM args); |
| 322 | |
| 323 | extern int gdbscm_is_exception (SCM scm); |
| 324 | |
| 325 | extern SCM gdbscm_exception_key (SCM excp); |
| 326 | |
| 327 | extern SCM gdbscm_exception_args (SCM excp); |
| 328 | |
| 329 | extern SCM gdbscm_make_exception_with_stack (SCM key, SCM args, SCM stack); |
| 330 | |
| 331 | extern SCM gdbscm_make_error_scm (SCM key, SCM subr, SCM message, |
| 332 | SCM args, SCM data); |
| 333 | |
| 334 | extern SCM gdbscm_make_error (SCM key, const char *subr, const char *message, |
| 335 | SCM args, SCM data); |
| 336 | |
| 337 | extern SCM gdbscm_make_type_error (const char *subr, int arg_pos, |
| 338 | SCM bad_value, const char *expected_type); |
| 339 | |
| 340 | extern SCM gdbscm_make_invalid_object_error (const char *subr, int arg_pos, |
| 341 | SCM bad_value, const char *error); |
| 342 | |
| 343 | extern void gdbscm_invalid_object_error (const char *subr, int arg_pos, |
| 344 | SCM bad_value, const char *error) |
| 345 | ATTRIBUTE_NORETURN; |
| 346 | |
| 347 | extern SCM gdbscm_make_out_of_range_error (const char *subr, int arg_pos, |
| 348 | SCM bad_value, const char *error); |
| 349 | |
| 350 | extern void gdbscm_out_of_range_error (const char *subr, int arg_pos, |
| 351 | SCM bad_value, const char *error) |
| 352 | ATTRIBUTE_NORETURN; |
| 353 | |
| 354 | extern SCM gdbscm_make_misc_error (const char *subr, int arg_pos, |
| 355 | SCM bad_value, const char *error); |
| 356 | |
| 357 | extern void gdbscm_misc_error (const char *subr, int arg_pos, |
| 358 | SCM bad_value, const char *error) |
| 359 | ATTRIBUTE_NORETURN; |
| 360 | |
| 361 | extern void gdbscm_throw (SCM exception) ATTRIBUTE_NORETURN; |
| 362 | |
| 363 | extern SCM gdbscm_scm_from_gdb_exception (struct gdb_exception exception); |
| 364 | |
| 365 | extern void gdbscm_throw_gdb_exception (struct gdb_exception exception) |
| 366 | ATTRIBUTE_NORETURN; |
| 367 | |
| 368 | extern void gdbscm_print_exception_with_stack (SCM port, SCM stack, |
| 369 | SCM key, SCM args); |
| 370 | |
| 371 | extern void gdbscm_print_gdb_exception (SCM port, SCM exception); |
| 372 | |
| 373 | extern char *gdbscm_exception_message_to_string (SCM exception); |
| 374 | |
| 375 | extern excp_matcher_func gdbscm_memory_error_p; |
| 376 | |
| 377 | extern excp_matcher_func gdbscm_user_error_p; |
| 378 | |
| 379 | extern SCM gdbscm_make_memory_error (const char *subr, const char *msg, |
| 380 | SCM args); |
| 381 | |
| 382 | extern void gdbscm_memory_error (const char *subr, const char *msg, SCM args) |
| 383 | ATTRIBUTE_NORETURN; |
| 384 | |
| 385 | /* scm-safe-call.c */ |
| 386 | |
| 387 | extern const char *gdbscm_with_guile (const char *(*func) (void *), void *data); |
| 388 | |
| 389 | extern SCM gdbscm_call_guile (SCM (*func) (void *), void *data, |
| 390 | excp_matcher_func *ok_excps); |
| 391 | |
| 392 | extern SCM gdbscm_safe_call_0 (SCM proc, excp_matcher_func *ok_excps); |
| 393 | |
| 394 | extern SCM gdbscm_safe_call_1 (SCM proc, SCM arg0, |
| 395 | excp_matcher_func *ok_excps); |
| 396 | |
| 397 | extern SCM gdbscm_safe_call_2 (SCM proc, SCM arg0, SCM arg1, |
| 398 | excp_matcher_func *ok_excps); |
| 399 | |
| 400 | extern SCM gdbscm_safe_call_3 (SCM proc, SCM arg0, SCM arg1, SCM arg2, |
| 401 | excp_matcher_func *ok_excps); |
| 402 | |
| 403 | extern SCM gdbscm_safe_call_4 (SCM proc, SCM arg0, SCM arg1, SCM arg2, |
| 404 | SCM arg3, |
| 405 | excp_matcher_func *ok_excps); |
| 406 | |
| 407 | extern SCM gdbscm_safe_apply_1 (SCM proc, SCM arg0, SCM args, |
| 408 | excp_matcher_func *ok_excps); |
| 409 | |
| 410 | extern SCM gdbscm_unsafe_call_1 (SCM proc, SCM arg0); |
| 411 | |
| 412 | extern char *gdbscm_safe_eval_string (const char *string, int display_result); |
| 413 | |
| 414 | extern char *gdbscm_safe_source_script (const char *filename); |
| 415 | |
| 416 | extern void gdbscm_enter_repl (void); |
| 417 | \f |
| 418 | /* Interface to various GDB objects, in alphabetical order. */ |
| 419 | |
| 420 | /* scm-arch.c */ |
| 421 | |
| 422 | typedef struct _arch_smob arch_smob; |
| 423 | |
| 424 | extern struct gdbarch *arscm_get_gdbarch (arch_smob *a_smob); |
| 425 | |
| 426 | extern arch_smob *arscm_get_arch_smob_arg_unsafe (SCM arch_scm, int arg_pos, |
| 427 | const char *func_name); |
| 428 | |
| 429 | extern SCM arscm_scm_from_arch (struct gdbarch *gdbarch); |
| 430 | |
| 431 | /* scm-block.c */ |
| 432 | |
| 433 | extern SCM bkscm_scm_from_block (const struct block *block, |
| 434 | struct objfile *objfile); |
| 435 | |
| 436 | extern const struct block *bkscm_scm_to_block |
| 437 | (SCM block_scm, int arg_pos, const char *func_name, SCM *excp); |
| 438 | |
| 439 | /* scm-cmd.c */ |
| 440 | |
| 441 | extern char *gdbscm_parse_command_name (const char *name, |
| 442 | const char *func_name, int arg_pos, |
| 443 | struct cmd_list_element ***base_list, |
| 444 | struct cmd_list_element **start_list); |
| 445 | |
| 446 | extern int gdbscm_valid_command_class_p (int command_class); |
| 447 | |
| 448 | extern char *gdbscm_canonicalize_command_name (const char *name, |
| 449 | int want_trailing_space); |
| 450 | |
| 451 | /* scm-frame.c */ |
| 452 | |
| 453 | typedef struct _frame_smob frame_smob; |
| 454 | |
| 455 | extern int frscm_is_frame (SCM scm); |
| 456 | |
| 457 | extern frame_smob *frscm_get_frame_smob_arg_unsafe (SCM frame_scm, int arg_pos, |
| 458 | const char *func_name); |
| 459 | |
| 460 | extern struct frame_info *frscm_frame_smob_to_frame (frame_smob *); |
| 461 | |
| 462 | /* scm-iterator.c */ |
| 463 | |
| 464 | typedef struct _iterator_smob iterator_smob; |
| 465 | |
| 466 | extern SCM itscm_iterator_smob_object (iterator_smob *i_smob); |
| 467 | |
| 468 | extern SCM itscm_iterator_smob_progress (iterator_smob *i_smob); |
| 469 | |
| 470 | extern void itscm_set_iterator_smob_progress_x (iterator_smob *i_smob, |
| 471 | SCM progress); |
| 472 | |
| 473 | extern const char *itscm_iterator_smob_name (void); |
| 474 | |
| 475 | extern SCM gdbscm_make_iterator (SCM object, SCM progress, SCM next); |
| 476 | |
| 477 | extern int itscm_is_iterator (SCM scm); |
| 478 | |
| 479 | extern SCM gdbscm_end_of_iteration (void); |
| 480 | |
| 481 | extern int itscm_is_end_of_iteration (SCM obj); |
| 482 | |
| 483 | extern SCM itscm_safe_call_next_x (SCM iter, excp_matcher_func *ok_excps); |
| 484 | |
| 485 | extern SCM itscm_get_iterator_arg_unsafe (SCM self, int arg_pos, |
| 486 | const char *func_name); |
| 487 | |
| 488 | /* scm-lazy-string.c */ |
| 489 | |
| 490 | extern int lsscm_is_lazy_string (SCM scm); |
| 491 | |
| 492 | extern SCM lsscm_make_lazy_string (CORE_ADDR address, int length, |
| 493 | const char *encoding, struct type *type); |
| 494 | |
| 495 | extern struct value *lsscm_safe_lazy_string_to_value (SCM string, |
| 496 | int arg_pos, |
| 497 | const char *func_name, |
| 498 | SCM *except_scmp); |
| 499 | |
| 500 | extern void lsscm_val_print_lazy_string |
| 501 | (SCM string, struct ui_file *stream, |
| 502 | const struct value_print_options *options); |
| 503 | |
| 504 | /* scm-objfile.c */ |
| 505 | |
| 506 | typedef struct _objfile_smob objfile_smob; |
| 507 | |
| 508 | extern SCM ofscm_objfile_smob_pretty_printers (objfile_smob *o_smob); |
| 509 | |
| 510 | extern objfile_smob *ofscm_objfile_smob_from_objfile (struct objfile *objfile); |
| 511 | |
| 512 | extern SCM ofscm_scm_from_objfile (struct objfile *objfile); |
| 513 | |
| 514 | /* scm-progspace.c */ |
| 515 | |
| 516 | typedef struct _pspace_smob pspace_smob; |
| 517 | |
| 518 | extern SCM psscm_pspace_smob_pretty_printers (const pspace_smob *); |
| 519 | |
| 520 | extern pspace_smob *psscm_pspace_smob_from_pspace (struct program_space *); |
| 521 | |
| 522 | extern SCM psscm_scm_from_pspace (struct program_space *); |
| 523 | |
| 524 | /* scm-string.c */ |
| 525 | |
| 526 | extern int gdbscm_scm_string_to_int (SCM string); |
| 527 | |
| 528 | extern char *gdbscm_scm_to_c_string (SCM string); |
| 529 | |
| 530 | extern SCM gdbscm_scm_from_c_string (const char *string); |
| 531 | |
| 532 | extern SCM gdbscm_scm_from_printf (const char *format, ...) |
| 533 | ATTRIBUTE_PRINTF (1, 2); |
| 534 | |
| 535 | extern char *gdbscm_scm_to_string (SCM string, size_t *lenp, |
| 536 | const char *charset, |
| 537 | int strict, SCM *except_scmp); |
| 538 | |
| 539 | extern SCM gdbscm_scm_from_string (const char *string, size_t len, |
| 540 | const char *charset, int strict); |
| 541 | |
| 542 | extern char *gdbscm_scm_to_host_string (SCM string, size_t *lenp, SCM *except); |
| 543 | |
| 544 | extern SCM gdbscm_scm_from_host_string (const char *string, size_t len); |
| 545 | |
| 546 | /* scm-symbol.c */ |
| 547 | |
| 548 | extern int syscm_is_symbol (SCM scm); |
| 549 | |
| 550 | extern SCM syscm_scm_from_symbol (struct symbol *symbol); |
| 551 | |
| 552 | extern struct symbol *syscm_get_valid_symbol_arg_unsafe |
| 553 | (SCM self, int arg_pos, const char *func_name); |
| 554 | |
| 555 | /* scm-symtab.c */ |
| 556 | |
| 557 | extern SCM stscm_scm_from_symtab (struct symtab *symtab); |
| 558 | |
| 559 | extern SCM stscm_scm_from_sal (struct symtab_and_line sal); |
| 560 | |
| 561 | /* scm-type.c */ |
| 562 | |
| 563 | typedef struct _type_smob type_smob; |
| 564 | |
| 565 | extern int tyscm_is_type (SCM scm); |
| 566 | |
| 567 | extern SCM tyscm_scm_from_type (struct type *type); |
| 568 | |
| 569 | extern type_smob *tyscm_get_type_smob_arg_unsafe (SCM type_scm, int arg_pos, |
| 570 | const char *func_name); |
| 571 | |
| 572 | extern struct type *tyscm_type_smob_type (type_smob *t_smob); |
| 573 | |
| 574 | extern SCM tyscm_scm_from_field (SCM type_scm, int field_num); |
| 575 | |
| 576 | /* scm-value.c */ |
| 577 | |
| 578 | extern struct value *vlscm_scm_to_value (SCM scm); |
| 579 | |
| 580 | extern int vlscm_is_value (SCM scm); |
| 581 | |
| 582 | extern SCM vlscm_scm_from_value (struct value *value); |
| 583 | |
| 584 | extern SCM vlscm_scm_from_value_unsafe (struct value *value); |
| 585 | |
| 586 | extern struct value *vlscm_convert_typed_value_from_scheme |
| 587 | (const char *func_name, int obj_arg_pos, SCM obj, |
| 588 | int type_arg_pos, SCM type_scm, struct type *type, SCM *except_scmp, |
| 589 | struct gdbarch *gdbarch, const struct language_defn *language); |
| 590 | |
| 591 | extern struct value *vlscm_convert_value_from_scheme |
| 592 | (const char *func_name, int obj_arg_pos, SCM obj, SCM *except_scmp, |
| 593 | struct gdbarch *gdbarch, const struct language_defn *language); |
| 594 | \f |
| 595 | /* stript_lang methods */ |
| 596 | |
| 597 | extern objfile_script_sourcer_func gdbscm_source_objfile_script; |
| 598 | extern objfile_script_executor_func gdbscm_execute_objfile_script; |
| 599 | |
| 600 | extern int gdbscm_auto_load_enabled (const struct extension_language_defn *); |
| 601 | |
| 602 | extern void gdbscm_preserve_values |
| 603 | (const struct extension_language_defn *, |
| 604 | struct objfile *, htab_t copied_types); |
| 605 | |
| 606 | extern enum ext_lang_rc gdbscm_apply_val_pretty_printer |
| 607 | (const struct extension_language_defn *, |
| 608 | struct type *type, const gdb_byte *valaddr, |
| 609 | int embedded_offset, CORE_ADDR address, |
| 610 | struct ui_file *stream, int recurse, |
| 611 | const struct value *val, |
| 612 | const struct value_print_options *options, |
| 613 | const struct language_defn *language); |
| 614 | |
| 615 | extern int gdbscm_breakpoint_has_cond (const struct extension_language_defn *, |
| 616 | struct breakpoint *b); |
| 617 | |
| 618 | extern enum ext_lang_bp_stop gdbscm_breakpoint_cond_says_stop |
| 619 | (const struct extension_language_defn *, struct breakpoint *b); |
| 620 | \f |
| 621 | /* Initializers for each piece of Scheme support, in alphabetical order. */ |
| 622 | |
| 623 | extern void gdbscm_initialize_arches (void); |
| 624 | extern void gdbscm_initialize_auto_load (void); |
| 625 | extern void gdbscm_initialize_blocks (void); |
| 626 | extern void gdbscm_initialize_breakpoints (void); |
| 627 | extern void gdbscm_initialize_commands (void); |
| 628 | extern void gdbscm_initialize_disasm (void); |
| 629 | extern void gdbscm_initialize_exceptions (void); |
| 630 | extern void gdbscm_initialize_frames (void); |
| 631 | extern void gdbscm_initialize_iterators (void); |
| 632 | extern void gdbscm_initialize_lazy_strings (void); |
| 633 | extern void gdbscm_initialize_math (void); |
| 634 | extern void gdbscm_initialize_objfiles (void); |
| 635 | extern void gdbscm_initialize_pretty_printers (void); |
| 636 | extern void gdbscm_initialize_parameters (void); |
| 637 | extern void gdbscm_initialize_ports (void); |
| 638 | extern void gdbscm_initialize_pspaces (void); |
| 639 | extern void gdbscm_initialize_smobs (void); |
| 640 | extern void gdbscm_initialize_strings (void); |
| 641 | extern void gdbscm_initialize_symbols (void); |
| 642 | extern void gdbscm_initialize_symtabs (void); |
| 643 | extern void gdbscm_initialize_types (void); |
| 644 | extern void gdbscm_initialize_values (void); |
| 645 | \f |
| 646 | /* Use these after a TRY_CATCH to throw the appropriate Scheme exception |
| 647 | if a GDB error occurred. */ |
| 648 | |
| 649 | #define GDBSCM_HANDLE_GDB_EXCEPTION(exception) \ |
| 650 | do { \ |
| 651 | if (exception.reason < 0) \ |
| 652 | { \ |
| 653 | gdbscm_throw_gdb_exception (exception); \ |
| 654 | /*NOTREACHED */ \ |
| 655 | } \ |
| 656 | } while (0) |
| 657 | |
| 658 | /* If cleanups are establish outside the TRY_CATCH block, use this version. */ |
| 659 | |
| 660 | #define GDBSCM_HANDLE_GDB_EXCEPTION_WITH_CLEANUPS(exception, cleanups) \ |
| 661 | do { \ |
| 662 | if (exception.reason < 0) \ |
| 663 | { \ |
| 664 | do_cleanups (cleanups); \ |
| 665 | gdbscm_throw_gdb_exception (exception); \ |
| 666 | /*NOTREACHED */ \ |
| 667 | } \ |
| 668 | } while (0) |
| 669 | |
| 670 | #endif /* GDB_GUILE_INTERNAL_H */ |