Commit | Line | Data |
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a0b31db1 JK |
1 | /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it |
2 | for now. */ | |
c906108c | 3 | /* Basic, host-specific, and target-specific definitions for GDB. |
61baf725 | 4 | Copyright (C) 1986-2017 Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 11 | (at your option) any later version. |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b | 18 | You should have received a copy of the GNU General Public License |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
20 | |
21 | #ifndef DEFS_H | |
22 | #define DEFS_H | |
23 | ||
d26e3629 KY |
24 | #ifdef GDBSERVER |
25 | # error gdbserver should not include gdb/defs.h | |
26 | #endif | |
27 | ||
976411d6 | 28 | #include "common-defs.h" |
975ac915 | 29 | |
8b04f8b6 | 30 | #include <sys/types.h> |
c906108c SS |
31 | #include <limits.h> |
32 | ||
06e476f5 JB |
33 | /* The libdecnumber library, on which GDB depends, includes a header file |
34 | called gstdint.h instead of relying directly on stdint.h. GDB, on the | |
35 | other hand, includes stdint.h directly, relying on the fact that gnulib | |
36 | generates a copy if the system doesn't provide one or if it is missing | |
37 | some features. Unfortunately, gstdint.h and stdint.h cannot be included | |
38 | at the same time, which may happen when we include a file from | |
39 | libdecnumber. | |
40 | ||
41 | The following macro definition effectively prevents the inclusion of | |
42 | gstdint.h, as all the definitions it provides are guarded against | |
43 | the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h | |
44 | included, so it's ok to blank out gstdint.h. */ | |
45 | #define GCC_GENERATED_STDINT_H 1 | |
46 | ||
104c1213 | 47 | #include <unistd.h> |
d8d2a3ee | 48 | |
637d6690 CW |
49 | #include <fcntl.h> |
50 | ||
6c7a06a3 TT |
51 | #include "gdb_wchar.h" |
52 | ||
48faced0 DE |
53 | #include "ui-file.h" |
54 | ||
55 | #include "host-defs.h" | |
4034d0ff | 56 | #include "common/enum-flags.h" |
48faced0 | 57 | |
bb2ec1b3 TT |
58 | /* Scope types enumerator. List the types of scopes the compiler will |
59 | accept. */ | |
60 | ||
61 | enum compile_i_scope_types | |
62 | { | |
63 | COMPILE_I_INVALID_SCOPE, | |
64 | ||
65 | /* A simple scope. Wrap an expression into a simple scope that | |
66 | takes no arguments, returns no value, and uses the generic | |
67 | function name "_gdb_expr". */ | |
68 | ||
69 | COMPILE_I_SIMPLE_SCOPE, | |
70 | ||
71 | /* Do not wrap the expression, | |
72 | it has to provide function "_gdb_expr" on its own. */ | |
73 | COMPILE_I_RAW_SCOPE, | |
36de76f9 JK |
74 | |
75 | /* A printable expression scope. Wrap an expression into a scope | |
76 | suitable for the "compile print" command. It uses the generic | |
77 | function name "_gdb_expr". COMPILE_I_PRINT_ADDRESS_SCOPE variant | |
78 | is the usual one, taking address of the object. | |
79 | COMPILE_I_PRINT_VALUE_SCOPE is needed for arrays where the array | |
80 | name already specifies its address. See get_out_value_type. */ | |
81 | COMPILE_I_PRINT_ADDRESS_SCOPE, | |
82 | COMPILE_I_PRINT_VALUE_SCOPE, | |
bb2ec1b3 TT |
83 | }; |
84 | ||
6f98355c YQ |
85 | |
86 | template<typename T> | |
87 | using RequireLongest = gdb::Requires<gdb::Or<std::is_same<T, LONGEST>, | |
88 | std::is_same<T, ULONGEST>>>; | |
89 | ||
975ac915 | 90 | /* Just in case they're not defined in stdio.h. */ |
c906108c SS |
91 | |
92 | #ifndef SEEK_SET | |
93 | #define SEEK_SET 0 | |
94 | #endif | |
95 | #ifndef SEEK_CUR | |
96 | #define SEEK_CUR 1 | |
97 | #endif | |
98 | ||
637d6690 CW |
99 | /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms. |
100 | It is used as an access modifier in calls to open(), where it acts | |
0963b4bd MS |
101 | similarly to the "b" character in fopen()'s MODE argument. On Posix |
102 | platforms it should be a no-op, so it is defined as 0 here. This | |
103 | ensures that the symbol may be used freely elsewhere in gdb. */ | |
637d6690 CW |
104 | |
105 | #ifndef O_BINARY | |
106 | #define O_BINARY 0 | |
107 | #endif | |
108 | ||
8e3b41a9 | 109 | #include "hashtab.h" |
c906108c | 110 | |
a8b16220 | 111 | /* * Enable dbx commands if set. */ |
c906108c SS |
112 | extern int dbx_commands; |
113 | ||
a8b16220 | 114 | /* * System root path, used to find libraries etc. */ |
030292b7 DJ |
115 | extern char *gdb_sysroot; |
116 | ||
a8b16220 | 117 | /* * GDB datadir, used to store data files. */ |
b14b1491 TT |
118 | extern char *gdb_datadir; |
119 | ||
a8b16220 | 120 | /* * If non-NULL, the possibly relocated path to python's "lib" directory |
0c4a4063 DE |
121 | specified with --with-python. */ |
122 | extern char *python_libdir; | |
123 | ||
a8b16220 | 124 | /* * Search path for separate debug files. */ |
aa28a74e DJ |
125 | extern char *debug_file_directory; |
126 | ||
585a46a2 PA |
127 | /* GDB's SIGINT handler basically sets a flag; code that might take a |
128 | long time before it gets back to the event loop, and which ought to | |
129 | be interruptible, checks this flag using the QUIT macro, which, if | |
130 | GDB has the terminal, throws a quit exception. | |
522002f9 | 131 | |
f0881b37 PA |
132 | In addition to setting a flag, the SIGINT handler also marks a |
133 | select/poll-able file descriptor as read-ready. That is used by | |
134 | interruptible_select in order to support interrupting blocking I/O | |
135 | in a race-free manner. | |
136 | ||
6dddc817 DE |
137 | These functions use the extension_language_ops API to allow extension |
138 | language(s) and GDB SIGINT handling to coexist seamlessly. */ | |
522002f9 | 139 | |
a8b16220 | 140 | /* * Evaluate to non-zero if the quit flag is set, zero otherwise. This |
522002f9 TT |
141 | will clear the quit flag as a side effect. */ |
142 | extern int check_quit_flag (void); | |
a8b16220 | 143 | /* * Set the quit flag. */ |
522002f9 TT |
144 | extern void set_quit_flag (void); |
145 | ||
048094ac PA |
146 | /* The current quit handler (and its type). This is called from the |
147 | QUIT macro. See default_quit_handler below for default behavior. | |
148 | Parts of GDB temporarily override this to e.g., completely suppress | |
149 | Ctrl-C because it would not be safe to throw. E.g., normally, you | |
150 | wouldn't want to quit between a RSP command and its response, as | |
151 | that would break the communication with the target, but you may | |
152 | still want to intercept the Ctrl-C and offer to disconnect if the | |
153 | user presses Ctrl-C multiple times while the target is stuck | |
154 | waiting for the wedged remote stub. */ | |
155 | typedef void (quit_handler_ftype) (void); | |
156 | extern quit_handler_ftype *quit_handler; | |
157 | ||
158 | /* Override the current quit handler. Sets NEW_QUIT_HANDLER as | |
159 | current quit handler, and installs a cleanup that when run restores | |
160 | the previous quit handler. */ | |
161 | struct cleanup * | |
162 | make_cleanup_override_quit_handler (quit_handler_ftype *new_quit_handler); | |
163 | ||
164 | /* The default quit handler. Checks whether Ctrl-C was pressed, and | |
165 | if so: | |
166 | ||
167 | - If GDB owns the terminal, throws a quit exception. | |
168 | ||
169 | - If GDB does not own the terminal, forwards the Ctrl-C to the | |
170 | target. | |
171 | */ | |
172 | extern void default_quit_handler (void); | |
173 | ||
06c868a8 JK |
174 | /* Flag that function quit should call quit_force. */ |
175 | extern volatile int sync_quit_force_run; | |
176 | ||
917317f4 | 177 | extern void quit (void); |
c906108c | 178 | |
abc56d60 PA |
179 | /* Helper for the QUIT macro. */ |
180 | ||
181 | extern void maybe_quit (void); | |
182 | ||
048094ac PA |
183 | /* Check whether a Ctrl-C was typed, and if so, call the current quit |
184 | handler. */ | |
abc56d60 | 185 | #define QUIT maybe_quit () |
c906108c | 186 | |
f0881b37 PA |
187 | /* Set the serial event associated with the quit flag. */ |
188 | extern void quit_serial_event_set (void); | |
189 | ||
190 | /* Clear the serial event associated with the quit flag. */ | |
191 | extern void quit_serial_event_clear (void); | |
192 | ||
a8b16220 | 193 | /* * Languages represented in the symbol table and elsewhere. |
c906108c SS |
194 | This should probably be in language.h, but since enum's can't |
195 | be forward declared to satisfy opaque references before their | |
8b302db8 TT |
196 | actual definition, needs to be here. |
197 | ||
198 | The constants here are in priority order. In particular, | |
199 | demangling is attempted according to this order. | |
200 | ||
201 | Note that there's ambiguity between the mangling schemes of some of | |
202 | these languages, so some symbols could be successfully demangled by | |
203 | several languages. For that reason, the constants here are sorted | |
9c37b5ae TT |
204 | in the order we'll attempt demangling them. For example: Rust uses |
205 | C++ mangling, so must come after C++; Ada must come last (see | |
47e77640 PA |
206 | ada_sniff_from_mangled_name). (Keep this order in sync with the |
207 | 'languages' array in language.c.) */ | |
c906108c | 208 | |
917317f4 JM |
209 | enum language |
210 | { | |
211 | language_unknown, /* Language not known */ | |
212 | language_auto, /* Placeholder for automatic setting */ | |
213 | language_c, /* C */ | |
8b302db8 | 214 | language_objc, /* Objective-C */ |
917317f4 | 215 | language_cplus, /* C++ */ |
6aecb9c2 | 216 | language_d, /* D */ |
a766d390 | 217 | language_go, /* Go */ |
917317f4 JM |
218 | language_fortran, /* Fortran */ |
219 | language_m2, /* Modula-2 */ | |
220 | language_asm, /* Assembly language */ | |
20a0e81d | 221 | language_pascal, /* Pascal */ |
f4b8a18d | 222 | language_opencl, /* OpenCL */ |
c44af4eb | 223 | language_rust, /* Rust */ |
f290d38e | 224 | language_minimal, /* All other languages, minimal support only */ |
8b302db8 | 225 | language_ada, /* Ada */ |
f290d38e | 226 | nr_languages |
917317f4 | 227 | }; |
c906108c | 228 | |
51cdc993 DE |
229 | /* The number of bits needed to represent all languages, with enough |
230 | padding to allow for reasonable growth. */ | |
231 | #define LANGUAGE_BITS 5 | |
232 | gdb_static_assert (nr_languages <= (1 << LANGUAGE_BITS)); | |
233 | ||
c906108c | 234 | enum precision_type |
917317f4 JM |
235 | { |
236 | single_precision, | |
237 | double_precision, | |
238 | unspecified_precision | |
239 | }; | |
240 | ||
a8b16220 SS |
241 | /* * A generic, not quite boolean, enumeration. This is used for |
242 | set/show commands in which the options are on/off/automatic. */ | |
7f19b9a2 AC |
243 | enum auto_boolean |
244 | { | |
245 | AUTO_BOOLEAN_TRUE, | |
246 | AUTO_BOOLEAN_FALSE, | |
247 | AUTO_BOOLEAN_AUTO | |
248 | }; | |
249 | ||
a8b16220 SS |
250 | /* * Potential ways that a function can return a value of a given |
251 | type. */ | |
252 | ||
92ad9cd9 AC |
253 | enum return_value_convention |
254 | { | |
a8b16220 | 255 | /* * Where the return value has been squeezed into one or more |
92ad9cd9 AC |
256 | registers. */ |
257 | RETURN_VALUE_REGISTER_CONVENTION, | |
a8b16220 | 258 | /* * Commonly known as the "struct return convention". The caller |
92ad9cd9 AC |
259 | passes an additional hidden first parameter to the caller. That |
260 | parameter contains the address at which the value being returned | |
261 | should be stored. While typically, and historically, used for | |
262 | large structs, this is convention is applied to values of many | |
263 | different types. */ | |
31db7b6c | 264 | RETURN_VALUE_STRUCT_CONVENTION, |
a8b16220 | 265 | /* * Like the "struct return convention" above, but where the ABI |
31db7b6c MK |
266 | guarantees that the called function stores the address at which |
267 | the value being returned is stored in a well-defined location, | |
268 | such as a register or memory slot in the stack frame. Don't use | |
269 | this if the ABI doesn't explicitly guarantees this. */ | |
270 | RETURN_VALUE_ABI_RETURNS_ADDRESS, | |
a8b16220 | 271 | /* * Like the "struct return convention" above, but where the ABI |
31db7b6c MK |
272 | guarantees that the address at which the value being returned is |
273 | stored will be available in a well-defined location, such as a | |
274 | register or memory slot in the stack frame. Don't use this if | |
275 | the ABI doesn't explicitly guarantees this. */ | |
276 | RETURN_VALUE_ABI_PRESERVES_ADDRESS, | |
92ad9cd9 AC |
277 | }; |
278 | ||
c906108c SS |
279 | /* Needed for various prototypes */ |
280 | ||
c906108c SS |
281 | struct symtab; |
282 | struct breakpoint; | |
6e4c6c91 | 283 | struct frame_info; |
8b9b9e1a | 284 | struct gdbarch; |
028d0ed5 | 285 | struct value; |
c906108c | 286 | |
478aac75 DE |
287 | /* From main.c. */ |
288 | ||
289 | /* This really belong in utils.c (path-utils.c?), but it references some | |
290 | globals that are currently only available to main.c. */ | |
291 | extern char *relocate_gdb_directory (const char *initial, int flag); | |
292 | ||
c906108c SS |
293 | \f |
294 | /* Annotation stuff. */ | |
295 | ||
917317f4 | 296 | extern int annotation_level; /* in stack.c */ |
c906108c | 297 | \f |
c906108c SS |
298 | |
299 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as | |
300 | "const char *" in unistd.h, so we can't declare the argument | |
301 | as "char *". */ | |
302 | ||
56000a98 | 303 | EXTERN_C char *re_comp (const char *); |
c906108c SS |
304 | |
305 | /* From symfile.c */ | |
306 | ||
917317f4 JM |
307 | extern void symbol_file_command (char *, int); |
308 | ||
a8b16220 | 309 | /* * Remote targets may wish to use this as their load function. */ |
9cbe5fff | 310 | extern void generic_load (const char *name, int from_tty); |
917317f4 | 311 | |
c906108c SS |
312 | /* From top.c */ |
313 | ||
6426a772 JM |
314 | typedef void initialize_file_ftype (void); |
315 | ||
38bcc89d | 316 | extern char *gdb_readline_wrapper (const char *); |
b4f5539f | 317 | |
a121b7c1 | 318 | extern char *command_line_input (const char *, int, const char *); |
c906108c | 319 | |
917317f4 | 320 | extern void print_prompt (void); |
c906108c | 321 | |
268a799a PA |
322 | struct ui; |
323 | ||
324 | extern int input_interactive_p (struct ui *); | |
c906108c SS |
325 | |
326 | extern int info_verbose; | |
327 | ||
328 | /* From printcmd.c */ | |
329 | ||
8b9b9e1a | 330 | extern void set_next_address (struct gdbarch *, CORE_ADDR); |
c906108c | 331 | |
9cb709b6 | 332 | extern int print_address_symbolic (struct gdbarch *, CORE_ADDR, |
a121b7c1 PA |
333 | struct ui_file *, int, |
334 | const char *); | |
c906108c | 335 | |
22e722e1 DJ |
336 | extern int build_address_symbolic (struct gdbarch *, |
337 | CORE_ADDR addr, | |
7b83ea04 AC |
338 | int do_demangle, |
339 | char **name, | |
340 | int *offset, | |
341 | char **filename, | |
342 | int *line, | |
dfcd3bfb JM |
343 | int *unmapped); |
344 | ||
5af949e3 | 345 | extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *); |
2b28d209 | 346 | extern const char *pc_prefix (CORE_ADDR); |
c906108c SS |
347 | |
348 | /* From source.c */ | |
349 | ||
1f0c4988 | 350 | /* See openp function definition for their description. */ |
014d698b EZ |
351 | #define OPF_TRY_CWD_FIRST 0x01 |
352 | #define OPF_SEARCH_IN_PATH 0x02 | |
492c0ab7 | 353 | #define OPF_RETURN_REALPATH 0x04 |
014d698b | 354 | |
fbdebf46 | 355 | extern int openp (const char *, int, const char *, int, char **); |
c906108c | 356 | |
24f81874 | 357 | extern int source_full_path_of (const char *, char **); |
c906108c | 358 | |
917317f4 | 359 | extern void mod_path (char *, char **); |
c906108c | 360 | |
c04e0a08 JJ |
361 | extern void add_path (char *, char **, int); |
362 | ||
13d35ae5 AS |
363 | extern void directory_switch (char *, int); |
364 | ||
c04e0a08 JJ |
365 | extern char *source_path; |
366 | ||
917317f4 | 367 | extern void init_source_path (void); |
c906108c | 368 | |
104c1213 JM |
369 | /* From exec.c */ |
370 | ||
a8b16220 SS |
371 | /* * Process memory area starting at ADDR with length SIZE. Area is |
372 | readable iff READ is non-zero, writable if WRITE is non-zero, | |
373 | executable if EXEC is non-zero. Area is possibly changed against | |
374 | its original file based copy if MODIFIED is non-zero. DATA is | |
375 | passed without changes from a caller. */ | |
4f69f4c2 | 376 | |
b8edc417 JK |
377 | typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size, |
378 | int read, int write, int exec, | |
4f69f4c2 | 379 | int modified, void *data); |
b8edc417 | 380 | |
a8b16220 | 381 | /* * Possible lvalue types. Like enum language, this should be in |
0963b4bd | 382 | value.h, but needs to be here for the same reason. */ |
53a5351d JM |
383 | |
384 | enum lval_type | |
385 | { | |
a8b16220 | 386 | /* * Not an lval. */ |
53a5351d | 387 | not_lval, |
a8b16220 | 388 | /* * In memory. */ |
53a5351d | 389 | lval_memory, |
a8b16220 | 390 | /* * In a register. Registers are relative to a frame. */ |
53a5351d | 391 | lval_register, |
a8b16220 | 392 | /* * In a gdb internal variable. */ |
53a5351d | 393 | lval_internalvar, |
e81e7f5e SC |
394 | /* * Value encapsulates a callable defined in an extension language. */ |
395 | lval_xcallable, | |
a8b16220 | 396 | /* * Part of a gdb internal variable (structure field). */ |
5f5233d4 | 397 | lval_internalvar_component, |
a8b16220 SS |
398 | /* * Value's bits are fetched and stored using functions provided |
399 | by its creator. */ | |
5f5233d4 | 400 | lval_computed |
53a5351d JM |
401 | }; |
402 | ||
a8b16220 | 403 | /* * Parameters of the "info proc" command. */ |
145b16a9 UW |
404 | |
405 | enum info_proc_what | |
406 | { | |
a8b16220 | 407 | /* * Display the default cmdline, cwd and exe outputs. */ |
145b16a9 UW |
408 | IP_MINIMAL, |
409 | ||
a8b16220 | 410 | /* * Display `info proc mappings'. */ |
145b16a9 UW |
411 | IP_MAPPINGS, |
412 | ||
a8b16220 | 413 | /* * Display `info proc status'. */ |
145b16a9 UW |
414 | IP_STATUS, |
415 | ||
a8b16220 | 416 | /* * Display `info proc stat'. */ |
145b16a9 UW |
417 | IP_STAT, |
418 | ||
a8b16220 | 419 | /* * Display `info proc cmdline'. */ |
145b16a9 UW |
420 | IP_CMDLINE, |
421 | ||
a8b16220 | 422 | /* * Display `info proc exe'. */ |
145b16a9 UW |
423 | IP_EXE, |
424 | ||
a8b16220 | 425 | /* * Display `info proc cwd'. */ |
145b16a9 UW |
426 | IP_CWD, |
427 | ||
a8b16220 | 428 | /* * Display all of the above. */ |
145b16a9 UW |
429 | IP_ALL |
430 | }; | |
431 | ||
a8b16220 | 432 | /* * String containing the current directory (what getwd would return). */ |
c906108c SS |
433 | |
434 | extern char *current_directory; | |
435 | ||
a8b16220 | 436 | /* * Default radixes for input and output. Only some values supported. */ |
c906108c SS |
437 | extern unsigned input_radix; |
438 | extern unsigned output_radix; | |
439 | ||
a8b16220 | 440 | /* * Possibilities for prettyformat parameters to routines which print |
c906108c SS |
441 | things. Like enum language, this should be in value.h, but needs |
442 | to be here for the same reason. FIXME: If we can eliminate this | |
443 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
0963b4bd | 444 | value.h. */ |
c906108c | 445 | |
2a998fc0 | 446 | enum val_prettyformat |
917317f4 | 447 | { |
2a998fc0 DE |
448 | Val_no_prettyformat = 0, |
449 | Val_prettyformat, | |
a8b16220 | 450 | /* * Use the default setting which the user has specified. */ |
2a998fc0 | 451 | Val_prettyformat_default |
917317f4 | 452 | }; |
39f77062 | 453 | |
a8b16220 | 454 | /* * Optional native machine support. Non-native (and possibly pure |
5a2402b8 AC |
455 | multi-arch) targets do not need a "nm.h" file. This will be a |
456 | symlink to one of the nm-*.h files, built by the `configure' | |
457 | script. */ | |
c906108c | 458 | |
5a2402b8 | 459 | #ifdef GDB_NM_FILE |
c906108c | 460 | #include "nm.h" |
5a2402b8 | 461 | #endif |
c906108c | 462 | |
06c2338d | 463 | /* Assume that fopen accepts the letter "b" in the mode string. |
a880ad57 EZ |
464 | It is demanded by ISO C9X, and should be supported on all |
465 | platforms that claim to have a standard-conforming C library. On | |
06c2338d | 466 | true POSIX systems it will be ignored and have no effect. There |
a880ad57 EZ |
467 | may still be systems without a standard-conforming C library where |
468 | an ISO C9X compiler (GCC) is available. Known examples are SunOS | |
06c2338d MK |
469 | 4.x and 4.3BSD. This assumption means these systems are no longer |
470 | supported. */ | |
c906108c | 471 | #ifndef FOPEN_RB |
06c2338d | 472 | # include "fopen-bin.h" |
c906108c SS |
473 | #endif |
474 | ||
c906108c | 475 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). |
0963b4bd | 476 | FIXME: Assumes 2's complement arithmetic. */ |
c906108c SS |
477 | |
478 | #if !defined (UINT_MAX) | |
0963b4bd | 479 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
c906108c SS |
480 | #endif |
481 | ||
482 | #if !defined (INT_MAX) | |
0963b4bd | 483 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
c906108c SS |
484 | #endif |
485 | ||
486 | #if !defined (INT_MIN) | |
0963b4bd | 487 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ |
c906108c SS |
488 | #endif |
489 | ||
490 | #if !defined (ULONG_MAX) | |
0963b4bd | 491 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ |
c906108c SS |
492 | #endif |
493 | ||
494 | #if !defined (LONG_MAX) | |
0963b4bd | 495 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
c906108c SS |
496 | #endif |
497 | ||
4ce44c66 | 498 | #if !defined (ULONGEST_MAX) |
658d99ff | 499 | #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */ |
4ce44c66 JM |
500 | #endif |
501 | ||
658d99ff | 502 | #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */ |
4ce44c66 JM |
503 | #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) |
504 | #endif | |
505 | ||
a8b16220 | 506 | /* * Convert a LONGEST to an int. This is used in contexts (e.g. number of |
c906108c SS |
507 | arguments to a function, number in a value history, register number, etc.) |
508 | where the value must not be larger than can fit in an int. */ | |
509 | ||
917317f4 | 510 | extern int longest_to_int (LONGEST); |
c906108c | 511 | |
a8b16220 | 512 | /* * List of known OS ABIs. If you change this, make sure to update the |
4be87837 DJ |
513 | table in osabi.c. */ |
514 | enum gdb_osabi | |
515 | { | |
516 | GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */ | |
517 | ||
518 | GDB_OSABI_UNKNOWN = 0, /* keep this zero */ | |
519 | ||
520 | GDB_OSABI_SVR4, | |
521 | GDB_OSABI_HURD, | |
522 | GDB_OSABI_SOLARIS, | |
4be87837 | 523 | GDB_OSABI_LINUX, |
1736a7bd PA |
524 | GDB_OSABI_FREEBSD, |
525 | GDB_OSABI_NETBSD, | |
526 | GDB_OSABI_OPENBSD, | |
4be87837 DJ |
527 | GDB_OSABI_WINCE, |
528 | GDB_OSABI_GO32, | |
83461b86 | 529 | GDB_OSABI_QNXNTO, |
1762d96d | 530 | GDB_OSABI_CYGWIN, |
1f82754b | 531 | GDB_OSABI_AIX, |
a15c5c83 | 532 | GDB_OSABI_DICOS, |
a80b95ba | 533 | GDB_OSABI_DARWIN, |
78664fa3 | 534 | GDB_OSABI_SYMBIAN, |
34864976 | 535 | GDB_OSABI_OPENVMS, |
d5367fe1 | 536 | GDB_OSABI_LYNXOS178, |
cf0dbd6f | 537 | GDB_OSABI_NEWLIB, |
bb7e3f4d | 538 | GDB_OSABI_SDE, |
1762d96d | 539 | |
4be87837 DJ |
540 | GDB_OSABI_INVALID /* keep this last */ |
541 | }; | |
542 | ||
0b31a4bc TT |
543 | /* Enumerate the requirements a symbol has in order to be evaluated. |
544 | These are listed in order of "strength" -- a later entry subsumes | |
545 | earlier ones. This fine-grained distinction is important because | |
546 | it allows for the evaluation of a TLS symbol during unwinding -- | |
547 | when unwinding one has access to registers, but not the frame | |
548 | itself, because that is being constructed. */ | |
549 | ||
550 | enum symbol_needs_kind | |
551 | { | |
552 | /* No special requirements -- just memory. */ | |
553 | SYMBOL_NEEDS_NONE, | |
554 | ||
555 | /* The symbol needs registers. */ | |
556 | SYMBOL_NEEDS_REGISTERS, | |
557 | ||
558 | /* The symbol needs a frame. */ | |
559 | SYMBOL_NEEDS_FRAME | |
560 | }; | |
561 | ||
0963b4bd | 562 | /* Dynamic target-system-dependent parameters for GDB. */ |
c906108c SS |
563 | #include "gdbarch.h" |
564 | ||
a8b16220 | 565 | /* * Maximum size of a register. Something small, but large enough for |
0c92afe8 AC |
566 | all known ISAs. If it turns out to be too small, make it bigger. */ |
567 | ||
a5916a62 | 568 | enum { MAX_REGISTER_SIZE = 64 }; |
0c92afe8 | 569 | |
c906108c SS |
570 | /* In findvar.c. */ |
571 | ||
6f98355c YQ |
572 | template<typename T, typename = RequireLongest<T>> |
573 | T extract_integer (const gdb_byte *addr, int len, enum bfd_endian byte_order); | |
c906108c | 574 | |
6f98355c YQ |
575 | static inline LONGEST |
576 | extract_signed_integer (const gdb_byte *addr, int len, | |
577 | enum bfd_endian byte_order) | |
578 | { | |
579 | return extract_integer<LONGEST> (addr, len, byte_order); | |
580 | } | |
581 | ||
582 | static inline ULONGEST | |
583 | extract_unsigned_integer (const gdb_byte *addr, int len, | |
584 | enum bfd_endian byte_order) | |
585 | { | |
586 | return extract_integer<ULONGEST> (addr, len, byte_order); | |
587 | } | |
c906108c | 588 | |
e17a4113 UW |
589 | extern int extract_long_unsigned_integer (const gdb_byte *, int, |
590 | enum bfd_endian, LONGEST *); | |
c906108c | 591 | |
0d509538 AC |
592 | extern CORE_ADDR extract_typed_address (const gdb_byte *buf, |
593 | struct type *type); | |
4478b372 | 594 | |
6f98355c YQ |
595 | /* All 'store' functions accept a host-format integer and store a |
596 | target-format integer at ADDR which is LEN bytes long. */ | |
c906108c | 597 | |
6f98355c YQ |
598 | template<typename T, typename = RequireLongest<T>> |
599 | extern void store_integer (gdb_byte *addr, int len, enum bfd_endian byte_order, | |
600 | T val); | |
601 | ||
602 | static inline void | |
603 | store_signed_integer (gdb_byte *addr, int len, | |
604 | enum bfd_endian byte_order, LONGEST val) | |
605 | { | |
606 | return store_integer (addr, len, byte_order, val); | |
607 | } | |
608 | ||
609 | static inline void | |
610 | store_unsigned_integer (gdb_byte *addr, int len, | |
611 | enum bfd_endian byte_order, ULONGEST val) | |
612 | { | |
613 | return store_integer (addr, len, byte_order, val); | |
614 | } | |
c906108c | 615 | |
0d509538 AC |
616 | extern void store_typed_address (gdb_byte *buf, struct type *type, |
617 | CORE_ADDR addr); | |
4478b372 | 618 | |
b057297a AH |
619 | extern void copy_integer_to_size (gdb_byte *dest, int dest_size, |
620 | const gdb_byte *source, int source_size, | |
621 | bool is_signed, enum bfd_endian byte_order); | |
622 | ||
c906108c SS |
623 | /* From valops.c */ |
624 | ||
c906108c | 625 | extern int watchdog; |
c906108c | 626 | |
43988095 JK |
627 | /* From dwarf2read.c */ |
628 | ||
629 | ULONGEST read_unsigned_leb128 (bfd *, const gdb_byte *, unsigned int *); | |
630 | ||
c906108c | 631 | /* Hooks for alternate command interfaces. */ |
8b93c638 | 632 | |
a8b16220 | 633 | /* * The name of the interpreter if specified on the command line. */ |
fb40c209 | 634 | extern char *interpreter_p; |
fb40c209 | 635 | |
c906108c SS |
636 | struct target_waitstatus; |
637 | struct cmd_list_element; | |
c906108c | 638 | |
769d7dc4 AC |
639 | extern void (*deprecated_pre_add_symbol_hook) (const char *); |
640 | extern void (*deprecated_post_add_symbol_hook) (void); | |
11c949aa | 641 | extern void (*selected_frame_level_changed_hook) (int); |
98bbd631 | 642 | extern int (*deprecated_ui_loop_hook) (int signo); |
9a4105ab AC |
643 | extern void (*deprecated_show_load_progress) (const char *section, |
644 | unsigned long section_sent, | |
645 | unsigned long section_size, | |
646 | unsigned long total_sent, | |
647 | unsigned long total_size); | |
648 | extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, | |
3e43a32a MS |
649 | int line, |
650 | int stopline, | |
9a4105ab | 651 | int noerror); |
bee0189a DJ |
652 | extern int (*deprecated_query_hook) (const char *, va_list) |
653 | ATTRIBUTE_FPTR_PRINTF(1,0); | |
654 | extern void (*deprecated_warning_hook) (const char *, va_list) | |
655 | ATTRIBUTE_FPTR_PRINTF(1,0); | |
9a4105ab | 656 | extern void (*deprecated_interactive_hook) (void); |
a121b7c1 | 657 | extern void (*deprecated_readline_begin_hook) (const char *, ...) |
bee0189a | 658 | ATTRIBUTE_FPTR_PRINTF_1; |
38bcc89d | 659 | extern char *(*deprecated_readline_hook) (const char *); |
9a4105ab | 660 | extern void (*deprecated_readline_end_hook) (void); |
9a4105ab AC |
661 | extern void (*deprecated_context_hook) (int); |
662 | extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, | |
47608cb1 PA |
663 | struct target_waitstatus *status, |
664 | int options); | |
917317f4 | 665 | |
9a4105ab AC |
666 | extern void (*deprecated_attach_hook) (void); |
667 | extern void (*deprecated_detach_hook) (void); | |
668 | extern void (*deprecated_call_command_hook) (struct cmd_list_element * c, | |
669 | char *cmd, int from_tty); | |
917317f4 | 670 | |
9a4105ab AC |
671 | extern int (*deprecated_ui_load_progress_hook) (const char *section, |
672 | unsigned long num); | |
c906108c | 673 | |
104c1213 JM |
674 | /* If this definition isn't overridden by the header files, assume |
675 | that isatty and fileno exist on this system. */ | |
676 | #ifndef ISATTY | |
677 | #define ISATTY(FP) (isatty (fileno (FP))) | |
678 | #endif | |
679 | ||
a8b16220 | 680 | /* * A width that can achieve a better legibility for GDB MI mode. */ |
3347eb1a | 681 | #define GDB_MI_MSG_WIDTH 80 |
682 | ||
6c95b8df PA |
683 | /* From progspace.c */ |
684 | ||
685 | extern void initialize_progspace (void); | |
686 | extern void initialize_inferiors (void); | |
687 | ||
a8b16220 | 688 | /* * Special block numbers */ |
8903c50d TT |
689 | |
690 | enum block_enum | |
691 | { | |
692 | GLOBAL_BLOCK = 0, | |
693 | STATIC_BLOCK = 1, | |
694 | FIRST_LOCAL_BLOCK = 2 | |
695 | }; | |
696 | ||
4034d0ff AT |
697 | /* User selection used in observer.h and multiple print functions. */ |
698 | ||
699 | enum user_selected_what_flag | |
700 | { | |
701 | /* Inferior selected. */ | |
702 | USER_SELECTED_INFERIOR = 1 << 1, | |
703 | ||
704 | /* Thread selected. */ | |
705 | USER_SELECTED_THREAD = 1 << 2, | |
706 | ||
707 | /* Frame selected. */ | |
708 | USER_SELECTED_FRAME = 1 << 3 | |
709 | }; | |
710 | DEF_ENUM_FLAGS_TYPE (enum user_selected_what_flag, user_selected_what); | |
711 | ||
48faced0 DE |
712 | #include "utils.h" |
713 | ||
c906108c | 714 | #endif /* #ifndef DEFS_H */ |