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1 | /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it | |
2 | for now. */ | |
3 | /* Basic, host-specific, and target-specific definitions for GDB. | |
4 | Copyright (C) 1986, 1988-2005, 2007-2012 Free Software Foundation, | |
5 | Inc. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 3 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
21 | ||
22 | #ifndef DEFS_H | |
23 | #define DEFS_H | |
24 | ||
25 | #ifdef GDBSERVER | |
26 | # error gdbserver should not include gdb/defs.h | |
27 | #endif | |
28 | ||
29 | #include "config.h" /* Generated by configure. */ | |
30 | #include "build-gnulib/config.h" | |
31 | ||
32 | #include <sys/types.h> | |
33 | #include <stdio.h> | |
34 | #include <errno.h> /* System call error return status. */ | |
35 | #include <limits.h> | |
36 | #include <stdint.h> | |
37 | ||
38 | /* The libdecnumber library, on which GDB depends, includes a header file | |
39 | called gstdint.h instead of relying directly on stdint.h. GDB, on the | |
40 | other hand, includes stdint.h directly, relying on the fact that gnulib | |
41 | generates a copy if the system doesn't provide one or if it is missing | |
42 | some features. Unfortunately, gstdint.h and stdint.h cannot be included | |
43 | at the same time, which may happen when we include a file from | |
44 | libdecnumber. | |
45 | ||
46 | The following macro definition effectively prevents the inclusion of | |
47 | gstdint.h, as all the definitions it provides are guarded against | |
48 | the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h | |
49 | included, so it's ok to blank out gstdint.h. */ | |
50 | #define GCC_GENERATED_STDINT_H 1 | |
51 | ||
52 | #ifdef HAVE_STDDEF_H | |
53 | #include <stddef.h> | |
54 | #endif | |
55 | ||
56 | #ifdef HAVE_UNISTD_H | |
57 | #include <unistd.h> | |
58 | #endif | |
59 | ||
60 | #include <fcntl.h> | |
61 | ||
62 | /* First include ansidecl.h so we can use the various macro definitions | |
63 | here and in all subsequent file inclusions. */ | |
64 | ||
65 | #include "ansidecl.h" | |
66 | ||
67 | #include "gdb_locale.h" | |
68 | ||
69 | #include "gdb_wchar.h" | |
70 | ||
71 | /* For ``enum gdb_signal''. */ | |
72 | #include "gdb/signals.h" | |
73 | ||
74 | #include "ui-file.h" | |
75 | ||
76 | #include "host-defs.h" | |
77 | ||
78 | /* Just in case they're not defined in stdio.h. */ | |
79 | ||
80 | #ifndef SEEK_SET | |
81 | #define SEEK_SET 0 | |
82 | #endif | |
83 | #ifndef SEEK_CUR | |
84 | #define SEEK_CUR 1 | |
85 | #endif | |
86 | ||
87 | /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms. | |
88 | It is used as an access modifier in calls to open(), where it acts | |
89 | similarly to the "b" character in fopen()'s MODE argument. On Posix | |
90 | platforms it should be a no-op, so it is defined as 0 here. This | |
91 | ensures that the symbol may be used freely elsewhere in gdb. */ | |
92 | ||
93 | #ifndef O_BINARY | |
94 | #define O_BINARY 0 | |
95 | #endif | |
96 | ||
97 | #include <stdarg.h> /* For va_list. */ | |
98 | ||
99 | #include "libiberty.h" | |
100 | #include "hashtab.h" | |
101 | ||
102 | /* Rather than duplicate all the logic in BFD for figuring out what | |
103 | types to use (which can be pretty complicated), symply define them | |
104 | in terms of the corresponding type from BFD. */ | |
105 | ||
106 | #include "bfd.h" | |
107 | ||
108 | /* A byte from the program being debugged. */ | |
109 | typedef bfd_byte gdb_byte; | |
110 | ||
111 | /* An address in the program being debugged. Host byte order. */ | |
112 | typedef bfd_vma CORE_ADDR; | |
113 | ||
114 | /* The largest CORE_ADDR value. */ | |
115 | #define CORE_ADDR_MAX (~ (CORE_ADDR) 0) | |
116 | ||
117 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
118 | ||
119 | #ifdef BFD64 | |
120 | ||
121 | #define LONGEST BFD_HOST_64_BIT | |
122 | #define ULONGEST BFD_HOST_U_64_BIT | |
123 | ||
124 | #else /* No BFD64 */ | |
125 | ||
126 | #define LONGEST long long | |
127 | #define ULONGEST unsigned long long | |
128 | ||
129 | #endif /* No BFD64 */ | |
130 | ||
131 | #ifndef min | |
132 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
133 | #endif | |
134 | #ifndef max | |
135 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
136 | #endif | |
137 | ||
138 | #include "ptid.h" | |
139 | ||
140 | /* Enable xdb commands if set. */ | |
141 | extern int xdb_commands; | |
142 | ||
143 | /* Enable dbx commands if set. */ | |
144 | extern int dbx_commands; | |
145 | ||
146 | /* System root path, used to find libraries etc. */ | |
147 | extern char *gdb_sysroot; | |
148 | ||
149 | /* GDB datadir, used to store data files. */ | |
150 | extern char *gdb_datadir; | |
151 | ||
152 | /* If non-NULL, the possibly relocated path to python's "lib" directory | |
153 | specified with --with-python. */ | |
154 | extern char *python_libdir; | |
155 | ||
156 | /* Search path for separate debug files. */ | |
157 | extern char *debug_file_directory; | |
158 | ||
159 | /* GDB has two methods for handling SIGINT. When immediate_quit is | |
160 | nonzero, a SIGINT results in an immediate longjmp out of the signal | |
161 | handler. Otherwise, SIGINT simply sets a flag; code that might | |
162 | take a long time, and which ought to be interruptible, checks this | |
163 | flag using the QUIT macro. | |
164 | ||
165 | If GDB is built with Python support, it uses Python's low-level | |
166 | interface to implement the flag. This approach makes it possible | |
167 | for Python and GDB SIGINT handling to coexist seamlessly. | |
168 | ||
169 | If GDB is built without Python, it instead uses its traditional | |
170 | variables. */ | |
171 | ||
172 | /* Clear the quit flag. */ | |
173 | extern void clear_quit_flag (void); | |
174 | /* Evaluate to non-zero if the quit flag is set, zero otherwise. This | |
175 | will clear the quit flag as a side effect. */ | |
176 | extern int check_quit_flag (void); | |
177 | /* Set the quit flag. */ | |
178 | extern void set_quit_flag (void); | |
179 | ||
180 | extern int immediate_quit; | |
181 | ||
182 | extern void quit (void); | |
183 | ||
184 | /* FIXME: cagney/2000-03-13: It has been suggested that the peformance | |
185 | benefits of having a ``QUIT'' macro rather than a function are | |
186 | marginal. If the overhead of a QUIT function call is proving | |
187 | significant then its calling frequency should probably be reduced | |
188 | [kingdon]. A profile analyzing the current situtation is | |
189 | needed. */ | |
190 | ||
191 | #define QUIT { \ | |
192 | if (check_quit_flag ()) quit (); \ | |
193 | if (deprecated_interactive_hook) deprecated_interactive_hook (); \ | |
194 | } | |
195 | ||
196 | /* Languages represented in the symbol table and elsewhere. | |
197 | This should probably be in language.h, but since enum's can't | |
198 | be forward declared to satisfy opaque references before their | |
199 | actual definition, needs to be here. */ | |
200 | ||
201 | enum language | |
202 | { | |
203 | language_unknown, /* Language not known */ | |
204 | language_auto, /* Placeholder for automatic setting */ | |
205 | language_c, /* C */ | |
206 | language_cplus, /* C++ */ | |
207 | language_d, /* D */ | |
208 | language_go, /* Go */ | |
209 | language_objc, /* Objective-C */ | |
210 | language_java, /* Java */ | |
211 | language_fortran, /* Fortran */ | |
212 | language_m2, /* Modula-2 */ | |
213 | language_asm, /* Assembly language */ | |
214 | language_pascal, /* Pascal */ | |
215 | language_ada, /* Ada */ | |
216 | language_opencl, /* OpenCL */ | |
217 | language_minimal, /* All other languages, minimal support only */ | |
218 | nr_languages | |
219 | }; | |
220 | ||
221 | enum precision_type | |
222 | { | |
223 | single_precision, | |
224 | double_precision, | |
225 | unspecified_precision | |
226 | }; | |
227 | ||
228 | /* A generic, not quite boolean, enumeration. */ | |
229 | enum auto_boolean | |
230 | { | |
231 | AUTO_BOOLEAN_TRUE, | |
232 | AUTO_BOOLEAN_FALSE, | |
233 | AUTO_BOOLEAN_AUTO | |
234 | }; | |
235 | ||
236 | /* Potential ways that a function can return a value of a given type. */ | |
237 | enum return_value_convention | |
238 | { | |
239 | /* Where the return value has been squeezed into one or more | |
240 | registers. */ | |
241 | RETURN_VALUE_REGISTER_CONVENTION, | |
242 | /* Commonly known as the "struct return convention". The caller | |
243 | passes an additional hidden first parameter to the caller. That | |
244 | parameter contains the address at which the value being returned | |
245 | should be stored. While typically, and historically, used for | |
246 | large structs, this is convention is applied to values of many | |
247 | different types. */ | |
248 | RETURN_VALUE_STRUCT_CONVENTION, | |
249 | /* Like the "struct return convention" above, but where the ABI | |
250 | guarantees that the called function stores the address at which | |
251 | the value being returned is stored in a well-defined location, | |
252 | such as a register or memory slot in the stack frame. Don't use | |
253 | this if the ABI doesn't explicitly guarantees this. */ | |
254 | RETURN_VALUE_ABI_RETURNS_ADDRESS, | |
255 | /* Like the "struct return convention" above, but where the ABI | |
256 | guarantees that the address at which the value being returned is | |
257 | stored will be available in a well-defined location, such as a | |
258 | register or memory slot in the stack frame. Don't use this if | |
259 | the ABI doesn't explicitly guarantees this. */ | |
260 | RETURN_VALUE_ABI_PRESERVES_ADDRESS, | |
261 | }; | |
262 | ||
263 | /* Needed for various prototypes */ | |
264 | ||
265 | struct symtab; | |
266 | struct breakpoint; | |
267 | struct frame_info; | |
268 | struct gdbarch; | |
269 | struct value; | |
270 | ||
271 | /* From main.c. */ | |
272 | ||
273 | /* This really belong in utils.c (path-utils.c?), but it references some | |
274 | globals that are currently only available to main.c. */ | |
275 | extern char *relocate_gdb_directory (const char *initial, int flag); | |
276 | ||
277 | \f | |
278 | /* Annotation stuff. */ | |
279 | ||
280 | extern int annotation_level; /* in stack.c */ | |
281 | \f | |
282 | ||
283 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as | |
284 | "const char *" in unistd.h, so we can't declare the argument | |
285 | as "char *". */ | |
286 | ||
287 | extern char *re_comp (const char *); | |
288 | ||
289 | /* From symfile.c */ | |
290 | ||
291 | extern void symbol_file_command (char *, int); | |
292 | ||
293 | /* Remote targets may wish to use this as their load function. */ | |
294 | extern void generic_load (char *name, int from_tty); | |
295 | ||
296 | /* Report on STREAM the performance of memory transfer operation, | |
297 | such as 'load'. | |
298 | DATA_COUNT is the number of bytes transferred. | |
299 | WRITE_COUNT is the number of separate write operations, or 0, | |
300 | if that information is not available. | |
301 | START_TIME is the time at which an operation was started. | |
302 | END_TIME is the time at which an operation ended. */ | |
303 | struct timeval; | |
304 | extern void print_transfer_performance (struct ui_file *stream, | |
305 | unsigned long data_count, | |
306 | unsigned long write_count, | |
307 | const struct timeval *start_time, | |
308 | const struct timeval *end_time); | |
309 | ||
310 | /* From top.c */ | |
311 | ||
312 | typedef void initialize_file_ftype (void); | |
313 | ||
314 | extern char *skip_quoted (char *); | |
315 | ||
316 | extern char *gdb_readline (char *); | |
317 | ||
318 | extern char *gdb_readline_wrapper (char *); | |
319 | ||
320 | extern char *command_line_input (char *, int, char *); | |
321 | ||
322 | extern void print_prompt (void); | |
323 | ||
324 | extern int input_from_terminal_p (void); | |
325 | ||
326 | extern int info_verbose; | |
327 | ||
328 | /* From printcmd.c */ | |
329 | ||
330 | extern void set_next_address (struct gdbarch *, CORE_ADDR); | |
331 | ||
332 | extern int print_address_symbolic (struct gdbarch *, CORE_ADDR, | |
333 | struct ui_file *, int, char *); | |
334 | ||
335 | extern int build_address_symbolic (struct gdbarch *, | |
336 | CORE_ADDR addr, | |
337 | int do_demangle, | |
338 | char **name, | |
339 | int *offset, | |
340 | char **filename, | |
341 | int *line, | |
342 | int *unmapped); | |
343 | ||
344 | extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *); | |
345 | extern const char *pc_prefix (CORE_ADDR); | |
346 | ||
347 | /* From source.c */ | |
348 | ||
349 | #define OPF_TRY_CWD_FIRST 0x01 | |
350 | #define OPF_SEARCH_IN_PATH 0x02 | |
351 | ||
352 | extern int openp (const char *, int, const char *, int, char **); | |
353 | ||
354 | extern int source_full_path_of (const char *, char **); | |
355 | ||
356 | extern void mod_path (char *, char **); | |
357 | ||
358 | extern void add_path (char *, char **, int); | |
359 | ||
360 | extern void directory_command (char *, int); | |
361 | ||
362 | extern void directory_switch (char *, int); | |
363 | ||
364 | extern char *source_path; | |
365 | ||
366 | extern void init_source_path (void); | |
367 | ||
368 | /* From exec.c */ | |
369 | ||
370 | /* Process memory area starting at ADDR with length SIZE. Area is readable iff | |
371 | READ is non-zero, writable if WRITE is non-zero, executable if EXEC is | |
372 | non-zero. Area is possibly changed against its original file based copy if | |
373 | MODIFIED is non-zero. DATA is passed without changes from a caller. */ | |
374 | ||
375 | typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size, | |
376 | int read, int write, int exec, | |
377 | int modified, void *data); | |
378 | ||
379 | /* Take over the 'find_mapped_memory' vector from exec.c. */ | |
380 | extern void exec_set_find_memory_regions | |
381 | (int (*func) (find_memory_region_ftype func, void *data)); | |
382 | ||
383 | /* Possible lvalue types. Like enum language, this should be in | |
384 | value.h, but needs to be here for the same reason. */ | |
385 | ||
386 | enum lval_type | |
387 | { | |
388 | /* Not an lval. */ | |
389 | not_lval, | |
390 | /* In memory. */ | |
391 | lval_memory, | |
392 | /* In a register. Registers are relative to a frame. */ | |
393 | lval_register, | |
394 | /* In a gdb internal variable. */ | |
395 | lval_internalvar, | |
396 | /* Part of a gdb internal variable (structure field). */ | |
397 | lval_internalvar_component, | |
398 | /* Value's bits are fetched and stored using functions provided by | |
399 | its creator. */ | |
400 | lval_computed | |
401 | }; | |
402 | ||
403 | /* Control types for commands */ | |
404 | ||
405 | enum misc_command_type | |
406 | { | |
407 | ok_command, | |
408 | end_command, | |
409 | else_command, | |
410 | nop_command | |
411 | }; | |
412 | ||
413 | enum command_control_type | |
414 | { | |
415 | simple_control, | |
416 | break_control, | |
417 | continue_control, | |
418 | while_control, | |
419 | if_control, | |
420 | commands_control, | |
421 | python_control, | |
422 | while_stepping_control, | |
423 | invalid_control | |
424 | }; | |
425 | ||
426 | /* Structure for saved commands lines | |
427 | (for breakpoints, defined commands, etc). */ | |
428 | ||
429 | struct command_line | |
430 | { | |
431 | struct command_line *next; | |
432 | char *line; | |
433 | enum command_control_type control_type; | |
434 | /* The number of elements in body_list. */ | |
435 | int body_count; | |
436 | /* For composite commands, the nested lists of commands. For | |
437 | example, for "if" command this will contain the then branch and | |
438 | the else branch, if that is available. */ | |
439 | struct command_line **body_list; | |
440 | }; | |
441 | ||
442 | extern struct command_line *read_command_lines (char *, int, int, | |
443 | void (*)(char *, void *), | |
444 | void *); | |
445 | extern struct command_line *read_command_lines_1 (char * (*) (void), int, | |
446 | void (*)(char *, void *), | |
447 | void *); | |
448 | ||
449 | extern void free_command_lines (struct command_line **); | |
450 | ||
451 | /* Parameters of the "info proc" command. */ | |
452 | ||
453 | enum info_proc_what | |
454 | { | |
455 | /* Display the default cmdline, cwd and exe outputs. */ | |
456 | IP_MINIMAL, | |
457 | ||
458 | /* Display `info proc mappings'. */ | |
459 | IP_MAPPINGS, | |
460 | ||
461 | /* Display `info proc status'. */ | |
462 | IP_STATUS, | |
463 | ||
464 | /* Display `info proc stat'. */ | |
465 | IP_STAT, | |
466 | ||
467 | /* Display `info proc cmdline'. */ | |
468 | IP_CMDLINE, | |
469 | ||
470 | /* Display `info proc exe'. */ | |
471 | IP_EXE, | |
472 | ||
473 | /* Display `info proc cwd'. */ | |
474 | IP_CWD, | |
475 | ||
476 | /* Display all of the above. */ | |
477 | IP_ALL | |
478 | }; | |
479 | ||
480 | /* String containing the current directory (what getwd would return). */ | |
481 | ||
482 | extern char *current_directory; | |
483 | ||
484 | /* Default radixes for input and output. Only some values supported. */ | |
485 | extern unsigned input_radix; | |
486 | extern unsigned output_radix; | |
487 | ||
488 | /* Possibilities for prettyprint parameters to routines which print | |
489 | things. Like enum language, this should be in value.h, but needs | |
490 | to be here for the same reason. FIXME: If we can eliminate this | |
491 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
492 | value.h. */ | |
493 | ||
494 | enum val_prettyprint | |
495 | { | |
496 | Val_no_prettyprint = 0, | |
497 | Val_prettyprint, | |
498 | /* Use the default setting which the user has specified. */ | |
499 | Val_pretty_default | |
500 | }; | |
501 | ||
502 | /* Optional native machine support. Non-native (and possibly pure | |
503 | multi-arch) targets do not need a "nm.h" file. This will be a | |
504 | symlink to one of the nm-*.h files, built by the `configure' | |
505 | script. */ | |
506 | ||
507 | #ifdef GDB_NM_FILE | |
508 | #include "nm.h" | |
509 | #endif | |
510 | ||
511 | /* Assume that fopen accepts the letter "b" in the mode string. | |
512 | It is demanded by ISO C9X, and should be supported on all | |
513 | platforms that claim to have a standard-conforming C library. On | |
514 | true POSIX systems it will be ignored and have no effect. There | |
515 | may still be systems without a standard-conforming C library where | |
516 | an ISO C9X compiler (GCC) is available. Known examples are SunOS | |
517 | 4.x and 4.3BSD. This assumption means these systems are no longer | |
518 | supported. */ | |
519 | #ifndef FOPEN_RB | |
520 | # include "fopen-bin.h" | |
521 | #endif | |
522 | ||
523 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). | |
524 | FIXME: Assumes 2's complement arithmetic. */ | |
525 | ||
526 | #if !defined (UINT_MAX) | |
527 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ | |
528 | #endif | |
529 | ||
530 | #if !defined (INT_MAX) | |
531 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
532 | #endif | |
533 | ||
534 | #if !defined (INT_MIN) | |
535 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ | |
536 | #endif | |
537 | ||
538 | #if !defined (ULONG_MAX) | |
539 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
540 | #endif | |
541 | ||
542 | #if !defined (LONG_MAX) | |
543 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
544 | #endif | |
545 | ||
546 | #if !defined (ULONGEST_MAX) | |
547 | #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */ | |
548 | #endif | |
549 | ||
550 | #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */ | |
551 | #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) | |
552 | #endif | |
553 | ||
554 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
555 | arguments to a function, number in a value history, register number, etc.) | |
556 | where the value must not be larger than can fit in an int. */ | |
557 | ||
558 | extern int longest_to_int (LONGEST); | |
559 | ||
560 | /* Utility macros to allocate typed memory. Avoids errors like: | |
561 | struct foo *foo = xmalloc (sizeof struct bar); and memset (foo, | |
562 | sizeof (struct foo), 0). */ | |
563 | #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE))) | |
564 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) | |
565 | #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE))) | |
566 | ||
567 | #include "common-utils.h" | |
568 | ||
569 | /* List of known OS ABIs. If you change this, make sure to update the | |
570 | table in osabi.c. */ | |
571 | enum gdb_osabi | |
572 | { | |
573 | GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */ | |
574 | ||
575 | GDB_OSABI_UNKNOWN = 0, /* keep this zero */ | |
576 | ||
577 | GDB_OSABI_SVR4, | |
578 | GDB_OSABI_HURD, | |
579 | GDB_OSABI_SOLARIS, | |
580 | GDB_OSABI_OSF1, | |
581 | GDB_OSABI_LINUX, | |
582 | GDB_OSABI_FREEBSD_AOUT, | |
583 | GDB_OSABI_FREEBSD_ELF, | |
584 | GDB_OSABI_NETBSD_AOUT, | |
585 | GDB_OSABI_NETBSD_ELF, | |
586 | GDB_OSABI_OPENBSD_ELF, | |
587 | GDB_OSABI_WINCE, | |
588 | GDB_OSABI_GO32, | |
589 | GDB_OSABI_IRIX, | |
590 | GDB_OSABI_INTERIX, | |
591 | GDB_OSABI_HPUX_ELF, | |
592 | GDB_OSABI_HPUX_SOM, | |
593 | GDB_OSABI_QNXNTO, | |
594 | GDB_OSABI_CYGWIN, | |
595 | GDB_OSABI_AIX, | |
596 | GDB_OSABI_DICOS, | |
597 | GDB_OSABI_DARWIN, | |
598 | GDB_OSABI_SYMBIAN, | |
599 | GDB_OSABI_OPENVMS, | |
600 | ||
601 | GDB_OSABI_INVALID /* keep this last */ | |
602 | }; | |
603 | ||
604 | /* Global functions from other, non-gdb GNU thingies. | |
605 | Libiberty thingies are no longer declared here. We include libiberty.h | |
606 | above, instead. */ | |
607 | ||
608 | /* From other system libraries */ | |
609 | ||
610 | #ifdef HAVE_STDDEF_H | |
611 | #include <stddef.h> | |
612 | #endif | |
613 | ||
614 | #ifdef HAVE_STDLIB_H | |
615 | #include <stdlib.h> | |
616 | #endif | |
617 | ||
618 | ||
619 | #ifndef atof | |
620 | extern double atof (const char *); /* X3.159-1989 4.10.1.1 */ | |
621 | #endif | |
622 | ||
623 | /* Various possibilities for alloca. */ | |
624 | #ifndef alloca | |
625 | #ifdef __GNUC__ | |
626 | #define alloca __builtin_alloca | |
627 | #else /* Not GNU C */ | |
628 | #ifdef HAVE_ALLOCA_H | |
629 | #include <alloca.h> | |
630 | #else | |
631 | #ifdef _AIX | |
632 | #pragma alloca | |
633 | #else | |
634 | ||
635 | /* We need to be careful not to declare this in a way which conflicts with | |
636 | bison. Bison never declares it as char *, but under various circumstances | |
637 | (like __hpux) we need to use void *. */ | |
638 | extern void *alloca (); | |
639 | #endif /* Not _AIX */ | |
640 | #endif /* Not HAVE_ALLOCA_H */ | |
641 | #endif /* Not GNU C */ | |
642 | #endif /* alloca not defined */ | |
643 | ||
644 | /* Dynamic target-system-dependent parameters for GDB. */ | |
645 | #include "gdbarch.h" | |
646 | ||
647 | /* Maximum size of a register. Something small, but large enough for | |
648 | all known ISAs. If it turns out to be too small, make it bigger. */ | |
649 | ||
650 | enum { MAX_REGISTER_SIZE = 64 }; | |
651 | ||
652 | /* Static target-system-dependent parameters for GDB. */ | |
653 | ||
654 | /* Number of bits in a char or unsigned char for the target machine. | |
655 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
656 | #if !defined (TARGET_CHAR_BIT) | |
657 | #define TARGET_CHAR_BIT 8 | |
658 | #endif | |
659 | ||
660 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
661 | (which may get it by including <limits.h>) then use it to set | |
662 | the number of bits in a host char. If not, use the same size | |
663 | as the target. */ | |
664 | ||
665 | #if defined (CHAR_BIT) | |
666 | #define HOST_CHAR_BIT CHAR_BIT | |
667 | #else | |
668 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
669 | #endif | |
670 | ||
671 | /* In findvar.c. */ | |
672 | ||
673 | extern LONGEST extract_signed_integer (const gdb_byte *, int, | |
674 | enum bfd_endian); | |
675 | ||
676 | extern ULONGEST extract_unsigned_integer (const gdb_byte *, int, | |
677 | enum bfd_endian); | |
678 | ||
679 | extern int extract_long_unsigned_integer (const gdb_byte *, int, | |
680 | enum bfd_endian, LONGEST *); | |
681 | ||
682 | extern CORE_ADDR extract_typed_address (const gdb_byte *buf, | |
683 | struct type *type); | |
684 | ||
685 | extern void store_signed_integer (gdb_byte *, int, | |
686 | enum bfd_endian, LONGEST); | |
687 | ||
688 | extern void store_unsigned_integer (gdb_byte *, int, | |
689 | enum bfd_endian, ULONGEST); | |
690 | ||
691 | extern void store_typed_address (gdb_byte *buf, struct type *type, | |
692 | CORE_ADDR addr); | |
693 | ||
694 | \f | |
695 | /* From valops.c */ | |
696 | ||
697 | extern int watchdog; | |
698 | ||
699 | /* Hooks for alternate command interfaces. */ | |
700 | ||
701 | /* The name of the interpreter if specified on the command line. */ | |
702 | extern char *interpreter_p; | |
703 | ||
704 | /* If a given interpreter matches INTERPRETER_P then it should update | |
705 | deprecated_command_loop_hook and deprecated_init_ui_hook with the | |
706 | per-interpreter implementation. */ | |
707 | /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook | |
708 | should be moved here. */ | |
709 | ||
710 | struct target_waitstatus; | |
711 | struct cmd_list_element; | |
712 | ||
713 | extern void (*deprecated_pre_add_symbol_hook) (const char *); | |
714 | extern void (*deprecated_post_add_symbol_hook) (void); | |
715 | extern void (*selected_frame_level_changed_hook) (int); | |
716 | extern int (*deprecated_ui_loop_hook) (int signo); | |
717 | extern void (*deprecated_init_ui_hook) (char *argv0); | |
718 | extern void (*deprecated_command_loop_hook) (void); | |
719 | extern void (*deprecated_show_load_progress) (const char *section, | |
720 | unsigned long section_sent, | |
721 | unsigned long section_size, | |
722 | unsigned long total_sent, | |
723 | unsigned long total_size); | |
724 | extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, | |
725 | int line, | |
726 | int stopline, | |
727 | int noerror); | |
728 | extern int (*deprecated_query_hook) (const char *, va_list) | |
729 | ATTRIBUTE_FPTR_PRINTF(1,0); | |
730 | extern void (*deprecated_warning_hook) (const char *, va_list) | |
731 | ATTRIBUTE_FPTR_PRINTF(1,0); | |
732 | extern void (*deprecated_flush_hook) (struct ui_file * stream); | |
733 | extern void (*deprecated_interactive_hook) (void); | |
734 | extern void (*deprecated_readline_begin_hook) (char *, ...) | |
735 | ATTRIBUTE_FPTR_PRINTF_1; | |
736 | extern char *(*deprecated_readline_hook) (char *); | |
737 | extern void (*deprecated_readline_end_hook) (void); | |
738 | extern void (*deprecated_register_changed_hook) (int regno); | |
739 | extern void (*deprecated_context_hook) (int); | |
740 | extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, | |
741 | struct target_waitstatus *status, | |
742 | int options); | |
743 | ||
744 | extern void (*deprecated_attach_hook) (void); | |
745 | extern void (*deprecated_detach_hook) (void); | |
746 | extern void (*deprecated_call_command_hook) (struct cmd_list_element * c, | |
747 | char *cmd, int from_tty); | |
748 | ||
749 | extern void (*deprecated_set_hook) (struct cmd_list_element * c); | |
750 | ||
751 | extern int (*deprecated_ui_load_progress_hook) (const char *section, | |
752 | unsigned long num); | |
753 | ||
754 | /* Inhibit window interface if non-zero. */ | |
755 | ||
756 | extern int use_windows; | |
757 | ||
758 | /* Provide default definitions of PIDGET, TIDGET, and MERGEPID. | |
759 | The name ``TIDGET'' is a historical accident. Many uses of TIDGET | |
760 | in the code actually refer to a lightweight process id, i.e, | |
761 | something that can be considered a process id in its own right for | |
762 | certain purposes. */ | |
763 | ||
764 | #ifndef PIDGET | |
765 | #define PIDGET(PTID) (ptid_get_pid (PTID)) | |
766 | #define TIDGET(PTID) (ptid_get_lwp (PTID)) | |
767 | #define MERGEPID(PID, TID) ptid_build (PID, TID, 0) | |
768 | #endif | |
769 | ||
770 | /* Define well known filenos if the system does not define them. */ | |
771 | #ifndef STDIN_FILENO | |
772 | #define STDIN_FILENO 0 | |
773 | #endif | |
774 | #ifndef STDOUT_FILENO | |
775 | #define STDOUT_FILENO 1 | |
776 | #endif | |
777 | #ifndef STDERR_FILENO | |
778 | #define STDERR_FILENO 2 | |
779 | #endif | |
780 | ||
781 | /* If this definition isn't overridden by the header files, assume | |
782 | that isatty and fileno exist on this system. */ | |
783 | #ifndef ISATTY | |
784 | #define ISATTY(FP) (isatty (fileno (FP))) | |
785 | #endif | |
786 | ||
787 | /* A width that can achieve a better legibility for GDB MI mode. */ | |
788 | #define GDB_MI_MSG_WIDTH 80 | |
789 | ||
790 | /* From progspace.c */ | |
791 | ||
792 | extern void initialize_progspace (void); | |
793 | extern void initialize_inferiors (void); | |
794 | ||
795 | /* Special block numbers */ | |
796 | ||
797 | enum block_enum | |
798 | { | |
799 | GLOBAL_BLOCK = 0, | |
800 | STATIC_BLOCK = 1, | |
801 | FIRST_LOCAL_BLOCK = 2 | |
802 | }; | |
803 | ||
804 | #include "utils.h" | |
805 | ||
806 | #endif /* #ifndef DEFS_H */ |