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. |
b811d2c2 | 4 | Copyright (C) 1986-2020 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 | ||
268a13a5 | 28 | #include "gdbsupport/common-defs.h" |
975ac915 | 29 | |
01027315 TT |
30 | #undef PACKAGE |
31 | #undef PACKAGE_NAME | |
32 | #undef PACKAGE_VERSION | |
33 | #undef PACKAGE_STRING | |
34 | #undef PACKAGE_TARNAME | |
35 | ||
36 | #include <config.h> | |
37 | #include "bfd.h" | |
38 | ||
8b04f8b6 | 39 | #include <sys/types.h> |
c906108c SS |
40 | #include <limits.h> |
41 | ||
06e476f5 JB |
42 | /* The libdecnumber library, on which GDB depends, includes a header file |
43 | called gstdint.h instead of relying directly on stdint.h. GDB, on the | |
44 | other hand, includes stdint.h directly, relying on the fact that gnulib | |
45 | generates a copy if the system doesn't provide one or if it is missing | |
46 | some features. Unfortunately, gstdint.h and stdint.h cannot be included | |
47 | at the same time, which may happen when we include a file from | |
48 | libdecnumber. | |
49 | ||
50 | The following macro definition effectively prevents the inclusion of | |
51 | gstdint.h, as all the definitions it provides are guarded against | |
52 | the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h | |
53 | included, so it's ok to blank out gstdint.h. */ | |
54 | #define GCC_GENERATED_STDINT_H 1 | |
55 | ||
104c1213 | 56 | #include <unistd.h> |
d8d2a3ee | 57 | |
637d6690 CW |
58 | #include <fcntl.h> |
59 | ||
6c7a06a3 TT |
60 | #include "gdb_wchar.h" |
61 | ||
48faced0 DE |
62 | #include "ui-file.h" |
63 | ||
268a13a5 TT |
64 | #include "gdbsupport/host-defs.h" |
65 | #include "gdbsupport/enum-flags.h" | |
48faced0 | 66 | |
bb2ec1b3 TT |
67 | /* Scope types enumerator. List the types of scopes the compiler will |
68 | accept. */ | |
69 | ||
70 | enum compile_i_scope_types | |
71 | { | |
72 | COMPILE_I_INVALID_SCOPE, | |
73 | ||
74 | /* A simple scope. Wrap an expression into a simple scope that | |
75 | takes no arguments, returns no value, and uses the generic | |
76 | function name "_gdb_expr". */ | |
77 | ||
78 | COMPILE_I_SIMPLE_SCOPE, | |
79 | ||
80 | /* Do not wrap the expression, | |
81 | it has to provide function "_gdb_expr" on its own. */ | |
82 | COMPILE_I_RAW_SCOPE, | |
36de76f9 JK |
83 | |
84 | /* A printable expression scope. Wrap an expression into a scope | |
85 | suitable for the "compile print" command. It uses the generic | |
86 | function name "_gdb_expr". COMPILE_I_PRINT_ADDRESS_SCOPE variant | |
87 | is the usual one, taking address of the object. | |
88 | COMPILE_I_PRINT_VALUE_SCOPE is needed for arrays where the array | |
89 | name already specifies its address. See get_out_value_type. */ | |
90 | COMPILE_I_PRINT_ADDRESS_SCOPE, | |
91 | COMPILE_I_PRINT_VALUE_SCOPE, | |
bb2ec1b3 TT |
92 | }; |
93 | ||
6f98355c YQ |
94 | |
95 | template<typename T> | |
96 | using RequireLongest = gdb::Requires<gdb::Or<std::is_same<T, LONGEST>, | |
97 | std::is_same<T, ULONGEST>>>; | |
98 | ||
975ac915 | 99 | /* Just in case they're not defined in stdio.h. */ |
c906108c SS |
100 | |
101 | #ifndef SEEK_SET | |
102 | #define SEEK_SET 0 | |
103 | #endif | |
104 | #ifndef SEEK_CUR | |
105 | #define SEEK_CUR 1 | |
106 | #endif | |
107 | ||
637d6690 CW |
108 | /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms. |
109 | It is used as an access modifier in calls to open(), where it acts | |
0963b4bd MS |
110 | similarly to the "b" character in fopen()'s MODE argument. On Posix |
111 | platforms it should be a no-op, so it is defined as 0 here. This | |
112 | ensures that the symbol may be used freely elsewhere in gdb. */ | |
637d6690 CW |
113 | |
114 | #ifndef O_BINARY | |
115 | #define O_BINARY 0 | |
116 | #endif | |
117 | ||
8e3b41a9 | 118 | #include "hashtab.h" |
c906108c | 119 | |
a8b16220 | 120 | /* * Enable dbx commands if set. */ |
c906108c SS |
121 | extern int dbx_commands; |
122 | ||
a8b16220 | 123 | /* * System root path, used to find libraries etc. */ |
030292b7 DJ |
124 | extern char *gdb_sysroot; |
125 | ||
a8b16220 | 126 | /* * GDB datadir, used to store data files. */ |
f2aec7f6 | 127 | extern std::string gdb_datadir; |
b14b1491 | 128 | |
f2aec7f6 | 129 | /* * If not empty, the possibly relocated path to python's "lib" directory |
0c4a4063 | 130 | specified with --with-python. */ |
f2aec7f6 | 131 | extern std::string python_libdir; |
0c4a4063 | 132 | |
a8b16220 | 133 | /* * Search path for separate debug files. */ |
aa28a74e DJ |
134 | extern char *debug_file_directory; |
135 | ||
585a46a2 PA |
136 | /* GDB's SIGINT handler basically sets a flag; code that might take a |
137 | long time before it gets back to the event loop, and which ought to | |
138 | be interruptible, checks this flag using the QUIT macro, which, if | |
139 | GDB has the terminal, throws a quit exception. | |
522002f9 | 140 | |
f0881b37 PA |
141 | In addition to setting a flag, the SIGINT handler also marks a |
142 | select/poll-able file descriptor as read-ready. That is used by | |
143 | interruptible_select in order to support interrupting blocking I/O | |
144 | in a race-free manner. | |
145 | ||
6dddc817 DE |
146 | These functions use the extension_language_ops API to allow extension |
147 | language(s) and GDB SIGINT handling to coexist seamlessly. */ | |
522002f9 | 148 | |
a8b16220 | 149 | /* * Evaluate to non-zero if the quit flag is set, zero otherwise. This |
522002f9 TT |
150 | will clear the quit flag as a side effect. */ |
151 | extern int check_quit_flag (void); | |
a8b16220 | 152 | /* * Set the quit flag. */ |
522002f9 TT |
153 | extern void set_quit_flag (void); |
154 | ||
048094ac PA |
155 | /* The current quit handler (and its type). This is called from the |
156 | QUIT macro. See default_quit_handler below for default behavior. | |
157 | Parts of GDB temporarily override this to e.g., completely suppress | |
158 | Ctrl-C because it would not be safe to throw. E.g., normally, you | |
159 | wouldn't want to quit between a RSP command and its response, as | |
160 | that would break the communication with the target, but you may | |
161 | still want to intercept the Ctrl-C and offer to disconnect if the | |
162 | user presses Ctrl-C multiple times while the target is stuck | |
163 | waiting for the wedged remote stub. */ | |
164 | typedef void (quit_handler_ftype) (void); | |
165 | extern quit_handler_ftype *quit_handler; | |
166 | ||
048094ac PA |
167 | /* The default quit handler. Checks whether Ctrl-C was pressed, and |
168 | if so: | |
169 | ||
170 | - If GDB owns the terminal, throws a quit exception. | |
171 | ||
172 | - If GDB does not own the terminal, forwards the Ctrl-C to the | |
173 | target. | |
174 | */ | |
175 | extern void default_quit_handler (void); | |
176 | ||
06c868a8 JK |
177 | /* Flag that function quit should call quit_force. */ |
178 | extern volatile int sync_quit_force_run; | |
179 | ||
917317f4 | 180 | extern void quit (void); |
c906108c | 181 | |
abc56d60 PA |
182 | /* Helper for the QUIT macro. */ |
183 | ||
184 | extern void maybe_quit (void); | |
185 | ||
048094ac PA |
186 | /* Check whether a Ctrl-C was typed, and if so, call the current quit |
187 | handler. */ | |
abc56d60 | 188 | #define QUIT maybe_quit () |
c906108c | 189 | |
f0881b37 PA |
190 | /* Set the serial event associated with the quit flag. */ |
191 | extern void quit_serial_event_set (void); | |
192 | ||
193 | /* Clear the serial event associated with the quit flag. */ | |
194 | extern void quit_serial_event_clear (void); | |
195 | ||
a8b16220 | 196 | /* * Languages represented in the symbol table and elsewhere. |
c906108c SS |
197 | This should probably be in language.h, but since enum's can't |
198 | be forward declared to satisfy opaque references before their | |
8b302db8 TT |
199 | actual definition, needs to be here. |
200 | ||
201 | The constants here are in priority order. In particular, | |
202 | demangling is attempted according to this order. | |
203 | ||
204 | Note that there's ambiguity between the mangling schemes of some of | |
205 | these languages, so some symbols could be successfully demangled by | |
206 | several languages. For that reason, the constants here are sorted | |
9c37b5ae TT |
207 | in the order we'll attempt demangling them. For example: Rust uses |
208 | C++ mangling, so must come after C++; Ada must come last (see | |
47e77640 PA |
209 | ada_sniff_from_mangled_name). (Keep this order in sync with the |
210 | 'languages' array in language.c.) */ | |
c906108c | 211 | |
917317f4 JM |
212 | enum language |
213 | { | |
214 | language_unknown, /* Language not known */ | |
215 | language_auto, /* Placeholder for automatic setting */ | |
216 | language_c, /* C */ | |
8b302db8 | 217 | language_objc, /* Objective-C */ |
917317f4 | 218 | language_cplus, /* C++ */ |
6aecb9c2 | 219 | language_d, /* D */ |
a766d390 | 220 | language_go, /* Go */ |
917317f4 JM |
221 | language_fortran, /* Fortran */ |
222 | language_m2, /* Modula-2 */ | |
223 | language_asm, /* Assembly language */ | |
20a0e81d | 224 | language_pascal, /* Pascal */ |
f4b8a18d | 225 | language_opencl, /* OpenCL */ |
c44af4eb | 226 | language_rust, /* Rust */ |
f290d38e | 227 | language_minimal, /* All other languages, minimal support only */ |
8b302db8 | 228 | language_ada, /* Ada */ |
f290d38e | 229 | nr_languages |
917317f4 | 230 | }; |
c906108c | 231 | |
51cdc993 DE |
232 | /* The number of bits needed to represent all languages, with enough |
233 | padding to allow for reasonable growth. */ | |
234 | #define LANGUAGE_BITS 5 | |
235 | gdb_static_assert (nr_languages <= (1 << LANGUAGE_BITS)); | |
236 | ||
c906108c | 237 | enum precision_type |
917317f4 JM |
238 | { |
239 | single_precision, | |
240 | double_precision, | |
241 | unspecified_precision | |
242 | }; | |
243 | ||
a8b16220 SS |
244 | /* * A generic, not quite boolean, enumeration. This is used for |
245 | set/show commands in which the options are on/off/automatic. */ | |
7f19b9a2 AC |
246 | enum auto_boolean |
247 | { | |
248 | AUTO_BOOLEAN_TRUE, | |
249 | AUTO_BOOLEAN_FALSE, | |
250 | AUTO_BOOLEAN_AUTO | |
251 | }; | |
252 | ||
a8b16220 SS |
253 | /* * Potential ways that a function can return a value of a given |
254 | type. */ | |
255 | ||
92ad9cd9 AC |
256 | enum return_value_convention |
257 | { | |
a8b16220 | 258 | /* * Where the return value has been squeezed into one or more |
92ad9cd9 AC |
259 | registers. */ |
260 | RETURN_VALUE_REGISTER_CONVENTION, | |
a8b16220 | 261 | /* * Commonly known as the "struct return convention". The caller |
92ad9cd9 AC |
262 | passes an additional hidden first parameter to the caller. That |
263 | parameter contains the address at which the value being returned | |
264 | should be stored. While typically, and historically, used for | |
265 | large structs, this is convention is applied to values of many | |
266 | different types. */ | |
31db7b6c | 267 | RETURN_VALUE_STRUCT_CONVENTION, |
a8b16220 | 268 | /* * Like the "struct return convention" above, but where the ABI |
31db7b6c MK |
269 | guarantees that the called function stores the address at which |
270 | the value being returned is stored in a well-defined location, | |
271 | such as a register or memory slot in the stack frame. Don't use | |
272 | this if the ABI doesn't explicitly guarantees this. */ | |
273 | RETURN_VALUE_ABI_RETURNS_ADDRESS, | |
a8b16220 | 274 | /* * Like the "struct return convention" above, but where the ABI |
31db7b6c MK |
275 | guarantees that the address at which the value being returned is |
276 | stored will be available in a well-defined location, such as a | |
277 | register or memory slot in the stack frame. Don't use this if | |
278 | the ABI doesn't explicitly guarantees this. */ | |
279 | RETURN_VALUE_ABI_PRESERVES_ADDRESS, | |
92ad9cd9 AC |
280 | }; |
281 | ||
c906108c SS |
282 | /* Needed for various prototypes */ |
283 | ||
c906108c SS |
284 | struct symtab; |
285 | struct breakpoint; | |
6e4c6c91 | 286 | struct frame_info; |
8b9b9e1a | 287 | struct gdbarch; |
028d0ed5 | 288 | struct value; |
c906108c | 289 | |
478aac75 DE |
290 | /* From main.c. */ |
291 | ||
292 | /* This really belong in utils.c (path-utils.c?), but it references some | |
293 | globals that are currently only available to main.c. */ | |
f2aec7f6 | 294 | extern std::string relocate_gdb_directory (const char *initial, bool relocatable); |
478aac75 | 295 | |
c906108c SS |
296 | \f |
297 | /* Annotation stuff. */ | |
298 | ||
917317f4 | 299 | extern int annotation_level; /* in stack.c */ |
c906108c | 300 | \f |
c906108c SS |
301 | |
302 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as | |
303 | "const char *" in unistd.h, so we can't declare the argument | |
304 | as "char *". */ | |
305 | ||
56000a98 | 306 | EXTERN_C char *re_comp (const char *); |
c906108c SS |
307 | |
308 | /* From symfile.c */ | |
309 | ||
1d8b34a7 | 310 | extern void symbol_file_command (const char *, int); |
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 | |
992a7040 | 318 | extern const char *command_line_input (const char *, 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 | 325 | |
491144b5 | 326 | extern bool info_verbose; |
c906108c SS |
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 | |
5af949e3 | 336 | extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *); |
2b28d209 | 337 | extern const char *pc_prefix (CORE_ADDR); |
c906108c | 338 | |
104c1213 JM |
339 | /* From exec.c */ |
340 | ||
a8b16220 SS |
341 | /* * Process memory area starting at ADDR with length SIZE. Area is |
342 | readable iff READ is non-zero, writable if WRITE is non-zero, | |
343 | executable if EXEC is non-zero. Area is possibly changed against | |
344 | its original file based copy if MODIFIED is non-zero. DATA is | |
345 | passed without changes from a caller. */ | |
4f69f4c2 | 346 | |
b8edc417 JK |
347 | typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size, |
348 | int read, int write, int exec, | |
4f69f4c2 | 349 | int modified, void *data); |
b8edc417 | 350 | |
a8b16220 | 351 | /* * Possible lvalue types. Like enum language, this should be in |
0963b4bd | 352 | value.h, but needs to be here for the same reason. */ |
53a5351d JM |
353 | |
354 | enum lval_type | |
355 | { | |
a8b16220 | 356 | /* * Not an lval. */ |
53a5351d | 357 | not_lval, |
a8b16220 | 358 | /* * In memory. */ |
53a5351d | 359 | lval_memory, |
a8b16220 | 360 | /* * In a register. Registers are relative to a frame. */ |
53a5351d | 361 | lval_register, |
a8b16220 | 362 | /* * In a gdb internal variable. */ |
53a5351d | 363 | lval_internalvar, |
e81e7f5e SC |
364 | /* * Value encapsulates a callable defined in an extension language. */ |
365 | lval_xcallable, | |
a8b16220 | 366 | /* * Part of a gdb internal variable (structure field). */ |
5f5233d4 | 367 | lval_internalvar_component, |
a8b16220 SS |
368 | /* * Value's bits are fetched and stored using functions provided |
369 | by its creator. */ | |
5f5233d4 | 370 | lval_computed |
53a5351d JM |
371 | }; |
372 | ||
a8b16220 | 373 | /* * Parameters of the "info proc" command. */ |
145b16a9 UW |
374 | |
375 | enum info_proc_what | |
376 | { | |
a8b16220 | 377 | /* * Display the default cmdline, cwd and exe outputs. */ |
145b16a9 UW |
378 | IP_MINIMAL, |
379 | ||
a8b16220 | 380 | /* * Display `info proc mappings'. */ |
145b16a9 UW |
381 | IP_MAPPINGS, |
382 | ||
a8b16220 | 383 | /* * Display `info proc status'. */ |
145b16a9 UW |
384 | IP_STATUS, |
385 | ||
a8b16220 | 386 | /* * Display `info proc stat'. */ |
145b16a9 UW |
387 | IP_STAT, |
388 | ||
a8b16220 | 389 | /* * Display `info proc cmdline'. */ |
145b16a9 UW |
390 | IP_CMDLINE, |
391 | ||
a8b16220 | 392 | /* * Display `info proc exe'. */ |
145b16a9 UW |
393 | IP_EXE, |
394 | ||
a8b16220 | 395 | /* * Display `info proc cwd'. */ |
145b16a9 UW |
396 | IP_CWD, |
397 | ||
e98ee8c4 JB |
398 | /* * Display `info proc files'. */ |
399 | IP_FILES, | |
400 | ||
a8b16220 | 401 | /* * Display all of the above. */ |
145b16a9 UW |
402 | IP_ALL |
403 | }; | |
404 | ||
a8b16220 | 405 | /* * Default radixes for input and output. Only some values supported. */ |
c906108c SS |
406 | extern unsigned input_radix; |
407 | extern unsigned output_radix; | |
408 | ||
a8b16220 | 409 | /* * Possibilities for prettyformat parameters to routines which print |
c906108c SS |
410 | things. Like enum language, this should be in value.h, but needs |
411 | to be here for the same reason. FIXME: If we can eliminate this | |
412 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
0963b4bd | 413 | value.h. */ |
c906108c | 414 | |
2a998fc0 | 415 | enum val_prettyformat |
917317f4 | 416 | { |
2a998fc0 DE |
417 | Val_no_prettyformat = 0, |
418 | Val_prettyformat, | |
a8b16220 | 419 | /* * Use the default setting which the user has specified. */ |
2a998fc0 | 420 | Val_prettyformat_default |
917317f4 | 421 | }; |
39f77062 | 422 | |
a8b16220 | 423 | /* * Optional native machine support. Non-native (and possibly pure |
5a2402b8 AC |
424 | multi-arch) targets do not need a "nm.h" file. This will be a |
425 | symlink to one of the nm-*.h files, built by the `configure' | |
426 | script. */ | |
c906108c | 427 | |
5a2402b8 | 428 | #ifdef GDB_NM_FILE |
c906108c | 429 | #include "nm.h" |
5a2402b8 | 430 | #endif |
c906108c | 431 | |
06c2338d | 432 | /* Assume that fopen accepts the letter "b" in the mode string. |
a880ad57 EZ |
433 | It is demanded by ISO C9X, and should be supported on all |
434 | platforms that claim to have a standard-conforming C library. On | |
06c2338d | 435 | true POSIX systems it will be ignored and have no effect. There |
a880ad57 EZ |
436 | may still be systems without a standard-conforming C library where |
437 | an ISO C9X compiler (GCC) is available. Known examples are SunOS | |
06c2338d MK |
438 | 4.x and 4.3BSD. This assumption means these systems are no longer |
439 | supported. */ | |
c906108c | 440 | #ifndef FOPEN_RB |
06c2338d | 441 | # include "fopen-bin.h" |
c906108c SS |
442 | #endif |
443 | ||
c906108c | 444 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). |
0963b4bd | 445 | FIXME: Assumes 2's complement arithmetic. */ |
c906108c SS |
446 | |
447 | #if !defined (UINT_MAX) | |
0963b4bd | 448 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
c906108c SS |
449 | #endif |
450 | ||
451 | #if !defined (INT_MAX) | |
0963b4bd | 452 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
c906108c SS |
453 | #endif |
454 | ||
455 | #if !defined (INT_MIN) | |
0963b4bd | 456 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ |
c906108c SS |
457 | #endif |
458 | ||
459 | #if !defined (ULONG_MAX) | |
0963b4bd | 460 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ |
c906108c SS |
461 | #endif |
462 | ||
463 | #if !defined (LONG_MAX) | |
0963b4bd | 464 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
c906108c SS |
465 | #endif |
466 | ||
4ce44c66 | 467 | #if !defined (ULONGEST_MAX) |
658d99ff | 468 | #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */ |
4ce44c66 JM |
469 | #endif |
470 | ||
658d99ff | 471 | #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */ |
4ce44c66 JM |
472 | #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) |
473 | #endif | |
474 | ||
a8b16220 | 475 | /* * Convert a LONGEST to an int. This is used in contexts (e.g. number of |
c906108c SS |
476 | arguments to a function, number in a value history, register number, etc.) |
477 | where the value must not be larger than can fit in an int. */ | |
478 | ||
917317f4 | 479 | extern int longest_to_int (LONGEST); |
c906108c | 480 | |
a8b16220 | 481 | /* * List of known OS ABIs. If you change this, make sure to update the |
4be87837 DJ |
482 | table in osabi.c. */ |
483 | enum gdb_osabi | |
484 | { | |
4be87837 | 485 | GDB_OSABI_UNKNOWN = 0, /* keep this zero */ |
26540402 | 486 | GDB_OSABI_NONE, |
4be87837 DJ |
487 | |
488 | GDB_OSABI_SVR4, | |
489 | GDB_OSABI_HURD, | |
490 | GDB_OSABI_SOLARIS, | |
4be87837 | 491 | GDB_OSABI_LINUX, |
1736a7bd PA |
492 | GDB_OSABI_FREEBSD, |
493 | GDB_OSABI_NETBSD, | |
494 | GDB_OSABI_OPENBSD, | |
4be87837 DJ |
495 | GDB_OSABI_WINCE, |
496 | GDB_OSABI_GO32, | |
83461b86 | 497 | GDB_OSABI_QNXNTO, |
1762d96d | 498 | GDB_OSABI_CYGWIN, |
1f82754b | 499 | GDB_OSABI_AIX, |
a15c5c83 | 500 | GDB_OSABI_DICOS, |
a80b95ba | 501 | GDB_OSABI_DARWIN, |
78664fa3 | 502 | GDB_OSABI_SYMBIAN, |
34864976 | 503 | GDB_OSABI_OPENVMS, |
d5367fe1 | 504 | GDB_OSABI_LYNXOS178, |
cf0dbd6f | 505 | GDB_OSABI_NEWLIB, |
bb7e3f4d | 506 | GDB_OSABI_SDE, |
e1c3a373 | 507 | GDB_OSABI_PIKEOS, |
1762d96d | 508 | |
4be87837 DJ |
509 | GDB_OSABI_INVALID /* keep this last */ |
510 | }; | |
511 | ||
0b31a4bc TT |
512 | /* Enumerate the requirements a symbol has in order to be evaluated. |
513 | These are listed in order of "strength" -- a later entry subsumes | |
514 | earlier ones. This fine-grained distinction is important because | |
515 | it allows for the evaluation of a TLS symbol during unwinding -- | |
516 | when unwinding one has access to registers, but not the frame | |
517 | itself, because that is being constructed. */ | |
518 | ||
519 | enum symbol_needs_kind | |
520 | { | |
521 | /* No special requirements -- just memory. */ | |
522 | SYMBOL_NEEDS_NONE, | |
523 | ||
524 | /* The symbol needs registers. */ | |
525 | SYMBOL_NEEDS_REGISTERS, | |
526 | ||
527 | /* The symbol needs a frame. */ | |
528 | SYMBOL_NEEDS_FRAME | |
529 | }; | |
530 | ||
c906108c SS |
531 | /* In findvar.c. */ |
532 | ||
6f98355c YQ |
533 | template<typename T, typename = RequireLongest<T>> |
534 | T extract_integer (const gdb_byte *addr, int len, enum bfd_endian byte_order); | |
c906108c | 535 | |
6f98355c YQ |
536 | static inline LONGEST |
537 | extract_signed_integer (const gdb_byte *addr, int len, | |
538 | enum bfd_endian byte_order) | |
539 | { | |
540 | return extract_integer<LONGEST> (addr, len, byte_order); | |
541 | } | |
542 | ||
543 | static inline ULONGEST | |
544 | extract_unsigned_integer (const gdb_byte *addr, int len, | |
545 | enum bfd_endian byte_order) | |
546 | { | |
547 | return extract_integer<ULONGEST> (addr, len, byte_order); | |
548 | } | |
c906108c | 549 | |
e17a4113 UW |
550 | extern int extract_long_unsigned_integer (const gdb_byte *, int, |
551 | enum bfd_endian, LONGEST *); | |
c906108c | 552 | |
0d509538 AC |
553 | extern CORE_ADDR extract_typed_address (const gdb_byte *buf, |
554 | struct type *type); | |
4478b372 | 555 | |
6f98355c YQ |
556 | /* All 'store' functions accept a host-format integer and store a |
557 | target-format integer at ADDR which is LEN bytes long. */ | |
c906108c | 558 | |
6f98355c YQ |
559 | template<typename T, typename = RequireLongest<T>> |
560 | extern void store_integer (gdb_byte *addr, int len, enum bfd_endian byte_order, | |
561 | T val); | |
562 | ||
563 | static inline void | |
564 | store_signed_integer (gdb_byte *addr, int len, | |
565 | enum bfd_endian byte_order, LONGEST val) | |
566 | { | |
567 | return store_integer (addr, len, byte_order, val); | |
568 | } | |
569 | ||
570 | static inline void | |
571 | store_unsigned_integer (gdb_byte *addr, int len, | |
572 | enum bfd_endian byte_order, ULONGEST val) | |
573 | { | |
574 | return store_integer (addr, len, byte_order, val); | |
575 | } | |
c906108c | 576 | |
0d509538 AC |
577 | extern void store_typed_address (gdb_byte *buf, struct type *type, |
578 | CORE_ADDR addr); | |
4478b372 | 579 | |
b057297a AH |
580 | extern void copy_integer_to_size (gdb_byte *dest, int dest_size, |
581 | const gdb_byte *source, int source_size, | |
582 | bool is_signed, enum bfd_endian byte_order); | |
583 | ||
c906108c | 584 | /* Hooks for alternate command interfaces. */ |
8b93c638 | 585 | |
c906108c SS |
586 | struct target_waitstatus; |
587 | struct cmd_list_element; | |
c906108c | 588 | |
769d7dc4 AC |
589 | extern void (*deprecated_pre_add_symbol_hook) (const char *); |
590 | extern void (*deprecated_post_add_symbol_hook) (void); | |
11c949aa | 591 | extern void (*selected_frame_level_changed_hook) (int); |
98bbd631 | 592 | extern int (*deprecated_ui_loop_hook) (int signo); |
9a4105ab AC |
593 | extern void (*deprecated_show_load_progress) (const char *section, |
594 | unsigned long section_sent, | |
595 | unsigned long section_size, | |
596 | unsigned long total_sent, | |
597 | unsigned long total_size); | |
598 | extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, | |
3e43a32a MS |
599 | int line, |
600 | int stopline, | |
9a4105ab | 601 | int noerror); |
bee0189a DJ |
602 | extern int (*deprecated_query_hook) (const char *, va_list) |
603 | ATTRIBUTE_FPTR_PRINTF(1,0); | |
604 | extern void (*deprecated_warning_hook) (const char *, va_list) | |
605 | ATTRIBUTE_FPTR_PRINTF(1,0); | |
a121b7c1 | 606 | extern void (*deprecated_readline_begin_hook) (const char *, ...) |
bee0189a | 607 | ATTRIBUTE_FPTR_PRINTF_1; |
38bcc89d | 608 | extern char *(*deprecated_readline_hook) (const char *); |
9a4105ab | 609 | extern void (*deprecated_readline_end_hook) (void); |
9a4105ab AC |
610 | extern void (*deprecated_context_hook) (int); |
611 | extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, | |
47608cb1 PA |
612 | struct target_waitstatus *status, |
613 | int options); | |
917317f4 | 614 | |
9a4105ab AC |
615 | extern void (*deprecated_attach_hook) (void); |
616 | extern void (*deprecated_detach_hook) (void); | |
617 | extern void (*deprecated_call_command_hook) (struct cmd_list_element * c, | |
95a6b0a1 | 618 | const char *cmd, int from_tty); |
917317f4 | 619 | |
9a4105ab AC |
620 | extern int (*deprecated_ui_load_progress_hook) (const char *section, |
621 | unsigned long num); | |
c906108c | 622 | |
104c1213 JM |
623 | /* If this definition isn't overridden by the header files, assume |
624 | that isatty and fileno exist on this system. */ | |
625 | #ifndef ISATTY | |
626 | #define ISATTY(FP) (isatty (fileno (FP))) | |
627 | #endif | |
628 | ||
a8b16220 | 629 | /* * A width that can achieve a better legibility for GDB MI mode. */ |
3347eb1a | 630 | #define GDB_MI_MSG_WIDTH 80 |
631 | ||
6c95b8df PA |
632 | /* From progspace.c */ |
633 | ||
634 | extern void initialize_progspace (void); | |
635 | extern void initialize_inferiors (void); | |
636 | ||
a8b16220 | 637 | /* * Special block numbers */ |
8903c50d TT |
638 | |
639 | enum block_enum | |
640 | { | |
641 | GLOBAL_BLOCK = 0, | |
642 | STATIC_BLOCK = 1, | |
643 | FIRST_LOCAL_BLOCK = 2 | |
644 | }; | |
645 | ||
76727919 | 646 | /* User selection used in observable.h and multiple print functions. */ |
4034d0ff AT |
647 | |
648 | enum user_selected_what_flag | |
649 | { | |
650 | /* Inferior selected. */ | |
651 | USER_SELECTED_INFERIOR = 1 << 1, | |
652 | ||
653 | /* Thread selected. */ | |
654 | USER_SELECTED_THREAD = 1 << 2, | |
655 | ||
656 | /* Frame selected. */ | |
657 | USER_SELECTED_FRAME = 1 << 3 | |
658 | }; | |
659 | DEF_ENUM_FLAGS_TYPE (enum user_selected_what_flag, user_selected_what); | |
660 | ||
48faced0 DE |
661 | #include "utils.h" |
662 | ||
c906108c | 663 | #endif /* #ifndef DEFS_H */ |