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1 | /* Target operations for the remote server for GDB. | |
2 | Copyright (C) 2002-2015 Free Software Foundation, Inc. | |
3 | ||
4 | Contributed by MontaVista Software. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
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 | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
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. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef TARGET_H | |
22 | #define TARGET_H | |
23 | ||
24 | #include "target/target.h" | |
25 | #include "target/resume.h" | |
26 | #include "target/wait.h" | |
27 | #include "target/waitstatus.h" | |
28 | #include "mem-break.h" | |
29 | #include "btrace-common.h" | |
30 | ||
31 | struct emit_ops; | |
32 | struct buffer; | |
33 | struct process_info; | |
34 | ||
35 | /* This structure describes how to resume a particular thread (or all | |
36 | threads) based on the client's request. If thread is -1, then this | |
37 | entry applies to all threads. These are passed around as an | |
38 | array. */ | |
39 | ||
40 | struct thread_resume | |
41 | { | |
42 | ptid_t thread; | |
43 | ||
44 | /* How to "resume". */ | |
45 | enum resume_kind kind; | |
46 | ||
47 | /* If non-zero, send this signal when we resume, or to stop the | |
48 | thread. If stopping a thread, and this is 0, the target should | |
49 | stop the thread however it best decides to (e.g., SIGSTOP on | |
50 | linux; SuspendThread on win32). This is a host signal value (not | |
51 | enum gdb_signal). */ | |
52 | int sig; | |
53 | ||
54 | /* Range to single step within. Valid only iff KIND is resume_step. | |
55 | ||
56 | Single-step once, and then continuing stepping as long as the | |
57 | thread stops in this range. (If the range is empty | |
58 | [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step | |
59 | request.) */ | |
60 | CORE_ADDR step_range_start; /* Inclusive */ | |
61 | CORE_ADDR step_range_end; /* Exclusive */ | |
62 | }; | |
63 | ||
64 | struct target_ops | |
65 | { | |
66 | /* Start a new process. | |
67 | ||
68 | PROGRAM is a path to the program to execute. | |
69 | ARGS is a standard NULL-terminated array of arguments, | |
70 | to be passed to the inferior as ``argv''. | |
71 | ||
72 | Returns the new PID on success, -1 on failure. Registers the new | |
73 | process with the process list. */ | |
74 | ||
75 | int (*create_inferior) (char *program, char **args); | |
76 | ||
77 | /* Attach to a running process. | |
78 | ||
79 | PID is the process ID to attach to, specified by the user | |
80 | or a higher layer. | |
81 | ||
82 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
83 | error() otherwise. */ | |
84 | ||
85 | int (*attach) (unsigned long pid); | |
86 | ||
87 | /* Kill inferior PID. Return -1 on failure, and 0 on success. */ | |
88 | ||
89 | int (*kill) (int pid); | |
90 | ||
91 | /* Detach from inferior PID. Return -1 on failure, and 0 on | |
92 | success. */ | |
93 | ||
94 | int (*detach) (int pid); | |
95 | ||
96 | /* The inferior process has died. Do what is right. */ | |
97 | ||
98 | void (*mourn) (struct process_info *proc); | |
99 | ||
100 | /* Wait for inferior PID to exit. */ | |
101 | void (*join) (int pid); | |
102 | ||
103 | /* Return 1 iff the thread with process ID PID is alive. */ | |
104 | ||
105 | int (*thread_alive) (ptid_t pid); | |
106 | ||
107 | /* Resume the inferior process. */ | |
108 | ||
109 | void (*resume) (struct thread_resume *resume_info, size_t n); | |
110 | ||
111 | /* Wait for the inferior process or thread to change state. Store | |
112 | status through argument pointer STATUS. | |
113 | ||
114 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
115 | wait for any thread of process pid to do something. Return ptid | |
116 | of child, or -1 in case of error; store status through argument | |
117 | pointer STATUS. OPTIONS is a bit set of options defined as | |
118 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
119 | no child stop to report, return is | |
120 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
121 | ||
122 | ptid_t (*wait) (ptid_t ptid, struct target_waitstatus *status, int options); | |
123 | ||
124 | /* Fetch registers from the inferior process. | |
125 | ||
126 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
127 | ||
128 | void (*fetch_registers) (struct regcache *regcache, int regno); | |
129 | ||
130 | /* Store registers to the inferior process. | |
131 | ||
132 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
133 | ||
134 | void (*store_registers) (struct regcache *regcache, int regno); | |
135 | ||
136 | /* Prepare to read or write memory from the inferior process. | |
137 | Targets use this to do what is necessary to get the state of the | |
138 | inferior such that it is possible to access memory. | |
139 | ||
140 | This should generally only be called from client facing routines, | |
141 | such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint | |
142 | insertion routine. | |
143 | ||
144 | Like `read_memory' and `write_memory' below, returns 0 on success | |
145 | and errno on failure. */ | |
146 | ||
147 | int (*prepare_to_access_memory) (void); | |
148 | ||
149 | /* Undo the effects of prepare_to_access_memory. */ | |
150 | ||
151 | void (*done_accessing_memory) (void); | |
152 | ||
153 | /* Read memory from the inferior process. This should generally be | |
154 | called through read_inferior_memory, which handles breakpoint shadowing. | |
155 | ||
156 | Read LEN bytes at MEMADDR into a buffer at MYADDR. | |
157 | ||
158 | Returns 0 on success and errno on failure. */ | |
159 | ||
160 | int (*read_memory) (CORE_ADDR memaddr, unsigned char *myaddr, int len); | |
161 | ||
162 | /* Write memory to the inferior process. This should generally be | |
163 | called through write_inferior_memory, which handles breakpoint shadowing. | |
164 | ||
165 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
166 | ||
167 | Returns 0 on success and errno on failure. */ | |
168 | ||
169 | int (*write_memory) (CORE_ADDR memaddr, const unsigned char *myaddr, | |
170 | int len); | |
171 | ||
172 | /* Query GDB for the values of any symbols we're interested in. | |
173 | This function is called whenever we receive a "qSymbols::" | |
174 | query, which corresponds to every time more symbols (might) | |
175 | become available. NULL if we aren't interested in any | |
176 | symbols. */ | |
177 | ||
178 | void (*look_up_symbols) (void); | |
179 | ||
180 | /* Send an interrupt request to the inferior process, | |
181 | however is appropriate. */ | |
182 | ||
183 | void (*request_interrupt) (void); | |
184 | ||
185 | /* Read auxiliary vector data from the inferior process. | |
186 | ||
187 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
188 | ||
189 | int (*read_auxv) (CORE_ADDR offset, unsigned char *myaddr, | |
190 | unsigned int len); | |
191 | ||
192 | /* Returns true if GDB Z breakpoint type TYPE is supported, false | |
193 | otherwise. The type is coded as follows: | |
194 | '0' - software-breakpoint | |
195 | '1' - hardware-breakpoint | |
196 | '2' - write watchpoint | |
197 | '3' - read watchpoint | |
198 | '4' - access watchpoint | |
199 | */ | |
200 | int (*supports_z_point_type) (char z_type); | |
201 | ||
202 | /* Insert and remove a break or watchpoint. | |
203 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
204 | ||
205 | int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, | |
206 | int size, struct raw_breakpoint *bp); | |
207 | int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, | |
208 | int size, struct raw_breakpoint *bp); | |
209 | ||
210 | /* Returns 1 if the target stopped because it executed a software | |
211 | breakpoint instruction, 0 otherwise. */ | |
212 | int (*stopped_by_sw_breakpoint) (void); | |
213 | ||
214 | /* Returns true if the target knows whether a trap was caused by a | |
215 | SW breakpoint triggering. */ | |
216 | int (*supports_stopped_by_sw_breakpoint) (void); | |
217 | ||
218 | /* Returns 1 if the target stopped for a hardware breakpoint. */ | |
219 | int (*stopped_by_hw_breakpoint) (void); | |
220 | ||
221 | /* Returns true if the target knows whether a trap was caused by a | |
222 | HW breakpoint triggering. */ | |
223 | int (*supports_stopped_by_hw_breakpoint) (void); | |
224 | ||
225 | /* Returns true if the target can evaluate conditions of | |
226 | breakpoints. */ | |
227 | int (*supports_conditional_breakpoints) (void); | |
228 | ||
229 | /* Returns 1 if target was stopped due to a watchpoint hit, 0 otherwise. */ | |
230 | ||
231 | int (*stopped_by_watchpoint) (void); | |
232 | ||
233 | /* Returns the address associated with the watchpoint that hit, if any; | |
234 | returns 0 otherwise. */ | |
235 | ||
236 | CORE_ADDR (*stopped_data_address) (void); | |
237 | ||
238 | /* Reports the text, data offsets of the executable. This is | |
239 | needed for uclinux where the executable is relocated during load | |
240 | time. */ | |
241 | ||
242 | int (*read_offsets) (CORE_ADDR *text, CORE_ADDR *data); | |
243 | ||
244 | /* Fetch the address associated with a specific thread local storage | |
245 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
246 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
247 | an error code. A return value of -1 means this system does not | |
248 | support the operation. */ | |
249 | ||
250 | int (*get_tls_address) (struct thread_info *thread, CORE_ADDR offset, | |
251 | CORE_ADDR load_module, CORE_ADDR *address); | |
252 | ||
253 | /* Read/Write from/to spufs using qXfer packets. */ | |
254 | int (*qxfer_spu) (const char *annex, unsigned char *readbuf, | |
255 | unsigned const char *writebuf, CORE_ADDR offset, int len); | |
256 | ||
257 | /* Fill BUF with an hostio error packet representing the last hostio | |
258 | error. */ | |
259 | void (*hostio_last_error) (char *buf); | |
260 | ||
261 | /* Read/Write OS data using qXfer packets. */ | |
262 | int (*qxfer_osdata) (const char *annex, unsigned char *readbuf, | |
263 | unsigned const char *writebuf, CORE_ADDR offset, | |
264 | int len); | |
265 | ||
266 | /* Read/Write extra signal info. */ | |
267 | int (*qxfer_siginfo) (const char *annex, unsigned char *readbuf, | |
268 | unsigned const char *writebuf, | |
269 | CORE_ADDR offset, int len); | |
270 | ||
271 | int (*supports_non_stop) (void); | |
272 | ||
273 | /* Enables async target events. Returns the previous enable | |
274 | state. */ | |
275 | int (*async) (int enable); | |
276 | ||
277 | /* Switch to non-stop (1) or all-stop (0) mode. Return 0 on | |
278 | success, -1 otherwise. */ | |
279 | int (*start_non_stop) (int); | |
280 | ||
281 | /* Returns true if the target supports multi-process debugging. */ | |
282 | int (*supports_multi_process) (void); | |
283 | ||
284 | /* If not NULL, target-specific routine to process monitor command. | |
285 | Returns 1 if handled, or 0 to perform default processing. */ | |
286 | int (*handle_monitor_command) (char *); | |
287 | ||
288 | /* Returns the core given a thread, or -1 if not known. */ | |
289 | int (*core_of_thread) (ptid_t); | |
290 | ||
291 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
292 | int (*read_loadmap) (const char *annex, CORE_ADDR offset, | |
293 | unsigned char *myaddr, unsigned int len); | |
294 | ||
295 | /* Target specific qSupported support. */ | |
296 | void (*process_qsupported) (const char *); | |
297 | ||
298 | /* Return 1 if the target supports tracepoints, 0 (or leave the | |
299 | callback NULL) otherwise. */ | |
300 | int (*supports_tracepoints) (void); | |
301 | ||
302 | /* Read PC from REGCACHE. */ | |
303 | CORE_ADDR (*read_pc) (struct regcache *regcache); | |
304 | ||
305 | /* Write PC to REGCACHE. */ | |
306 | void (*write_pc) (struct regcache *regcache, CORE_ADDR pc); | |
307 | ||
308 | /* Return true if THREAD is known to be stopped now. */ | |
309 | int (*thread_stopped) (struct thread_info *thread); | |
310 | ||
311 | /* Read Thread Information Block address. */ | |
312 | int (*get_tib_address) (ptid_t ptid, CORE_ADDR *address); | |
313 | ||
314 | /* Pause all threads. If FREEZE, arrange for any resume attempt to | |
315 | be ignored until an unpause_all call unfreezes threads again. | |
316 | There can be nested calls to pause_all, so a freeze counter | |
317 | should be maintained. */ | |
318 | void (*pause_all) (int freeze); | |
319 | ||
320 | /* Unpause all threads. Threads that hadn't been resumed by the | |
321 | client should be left stopped. Basically a pause/unpause call | |
322 | pair should not end up resuming threads that were stopped before | |
323 | the pause call. */ | |
324 | void (*unpause_all) (int unfreeze); | |
325 | ||
326 | /* Stabilize all threads. That is, force them out of jump pads. */ | |
327 | void (*stabilize_threads) (void); | |
328 | ||
329 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
330 | tracepoint internal object as used by the IPA agent. TPADDR is | |
331 | the address of tracepoint. COLLECTOR is address of the function | |
332 | the jump pad redirects to. LOCKADDR is the address of the jump | |
333 | pad lock object. ORIG_SIZE is the size in bytes of the | |
334 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
335 | jump pad entry, and on return holds the address past the end of | |
336 | the created jump pad. If a trampoline is created by the function, | |
337 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
338 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
339 | buffer containing a copy of the instruction at TPADDR. | |
340 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
341 | return the address range where the instruction at TPADDR was relocated | |
342 | to. If an error occurs, the ERR may be used to pass on an error | |
343 | message. */ | |
344 | int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr, | |
345 | CORE_ADDR collector, | |
346 | CORE_ADDR lockaddr, | |
347 | ULONGEST orig_size, | |
348 | CORE_ADDR *jump_entry, | |
349 | CORE_ADDR *trampoline, | |
350 | ULONGEST *trampoline_size, | |
351 | unsigned char *jjump_pad_insn, | |
352 | ULONGEST *jjump_pad_insn_size, | |
353 | CORE_ADDR *adjusted_insn_addr, | |
354 | CORE_ADDR *adjusted_insn_addr_end, | |
355 | char *err); | |
356 | ||
357 | /* Return the bytecode operations vector for the current inferior. | |
358 | Returns NULL if bytecode compilation is not supported. */ | |
359 | struct emit_ops *(*emit_ops) (void); | |
360 | ||
361 | /* Returns true if the target supports disabling randomization. */ | |
362 | int (*supports_disable_randomization) (void); | |
363 | ||
364 | /* Return the minimum length of an instruction that can be safely overwritten | |
365 | for use as a fast tracepoint. */ | |
366 | int (*get_min_fast_tracepoint_insn_len) (void); | |
367 | ||
368 | /* Read solib info on SVR4 platforms. */ | |
369 | int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf, | |
370 | unsigned const char *writebuf, | |
371 | CORE_ADDR offset, int len); | |
372 | ||
373 | /* Return true if target supports debugging agent. */ | |
374 | int (*supports_agent) (void); | |
375 | ||
376 | /* Check whether the target supports branch tracing. */ | |
377 | int (*supports_btrace) (struct target_ops *, enum btrace_format); | |
378 | ||
379 | /* Enable branch tracing for PTID based on CONF and allocate a branch trace | |
380 | target information struct for reading and for disabling branch trace. */ | |
381 | struct btrace_target_info *(*enable_btrace) | |
382 | (ptid_t ptid, const struct btrace_config *conf); | |
383 | ||
384 | /* Disable branch tracing. | |
385 | Returns zero on success, non-zero otherwise. */ | |
386 | int (*disable_btrace) (struct btrace_target_info *tinfo); | |
387 | ||
388 | /* Read branch trace data into buffer. We use an int to specify the type | |
389 | to break a cyclic dependency. | |
390 | Return 0 on success; print an error message into BUFFER and return -1, | |
391 | otherwise. */ | |
392 | int (*read_btrace) (struct btrace_target_info *, struct buffer *, int type); | |
393 | ||
394 | /* Read the branch trace configuration into BUFFER. | |
395 | Return 0 on success; print an error message into BUFFER and return -1 | |
396 | otherwise. */ | |
397 | int (*read_btrace_conf) (const struct btrace_target_info *, struct buffer *); | |
398 | ||
399 | /* Return true if target supports range stepping. */ | |
400 | int (*supports_range_stepping) (void); | |
401 | ||
402 | /* Return the full absolute name of the executable file that was | |
403 | run to create the process PID. If the executable file cannot | |
404 | be determined, NULL is returned. Otherwise, a pointer to a | |
405 | character string containing the pathname is returned. This | |
406 | string should be copied into a buffer by the client if the string | |
407 | will not be immediately used, or if it must persist. */ | |
408 | char *(*pid_to_exec_file) (int pid); | |
409 | }; | |
410 | ||
411 | extern struct target_ops *the_target; | |
412 | ||
413 | void set_target_ops (struct target_ops *); | |
414 | ||
415 | #define create_inferior(program, args) \ | |
416 | (*the_target->create_inferior) (program, args) | |
417 | ||
418 | #define myattach(pid) \ | |
419 | (*the_target->attach) (pid) | |
420 | ||
421 | int kill_inferior (int); | |
422 | ||
423 | #define detach_inferior(pid) \ | |
424 | (*the_target->detach) (pid) | |
425 | ||
426 | #define mourn_inferior(PROC) \ | |
427 | (*the_target->mourn) (PROC) | |
428 | ||
429 | #define mythread_alive(pid) \ | |
430 | (*the_target->thread_alive) (pid) | |
431 | ||
432 | #define fetch_inferior_registers(regcache, regno) \ | |
433 | (*the_target->fetch_registers) (regcache, regno) | |
434 | ||
435 | #define store_inferior_registers(regcache, regno) \ | |
436 | (*the_target->store_registers) (regcache, regno) | |
437 | ||
438 | #define join_inferior(pid) \ | |
439 | (*the_target->join) (pid) | |
440 | ||
441 | #define target_supports_non_stop() \ | |
442 | (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0) | |
443 | ||
444 | #define target_async(enable) \ | |
445 | (the_target->async ? (*the_target->async) (enable) : 0) | |
446 | ||
447 | #define target_supports_multi_process() \ | |
448 | (the_target->supports_multi_process ? \ | |
449 | (*the_target->supports_multi_process) () : 0) | |
450 | ||
451 | #define target_process_qsupported(query) \ | |
452 | do \ | |
453 | { \ | |
454 | if (the_target->process_qsupported) \ | |
455 | the_target->process_qsupported (query); \ | |
456 | } while (0) | |
457 | ||
458 | #define target_supports_tracepoints() \ | |
459 | (the_target->supports_tracepoints \ | |
460 | ? (*the_target->supports_tracepoints) () : 0) | |
461 | ||
462 | #define target_supports_fast_tracepoints() \ | |
463 | (the_target->install_fast_tracepoint_jump_pad != NULL) | |
464 | ||
465 | #define target_get_min_fast_tracepoint_insn_len() \ | |
466 | (the_target->get_min_fast_tracepoint_insn_len \ | |
467 | ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0) | |
468 | ||
469 | #define thread_stopped(thread) \ | |
470 | (*the_target->thread_stopped) (thread) | |
471 | ||
472 | #define pause_all(freeze) \ | |
473 | do \ | |
474 | { \ | |
475 | if (the_target->pause_all) \ | |
476 | (*the_target->pause_all) (freeze); \ | |
477 | } while (0) | |
478 | ||
479 | #define unpause_all(unfreeze) \ | |
480 | do \ | |
481 | { \ | |
482 | if (the_target->unpause_all) \ | |
483 | (*the_target->unpause_all) (unfreeze); \ | |
484 | } while (0) | |
485 | ||
486 | #define stabilize_threads() \ | |
487 | do \ | |
488 | { \ | |
489 | if (the_target->stabilize_threads) \ | |
490 | (*the_target->stabilize_threads) (); \ | |
491 | } while (0) | |
492 | ||
493 | #define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ | |
494 | collector, lockaddr, \ | |
495 | orig_size, \ | |
496 | jump_entry, \ | |
497 | trampoline, trampoline_size, \ | |
498 | jjump_pad_insn, \ | |
499 | jjump_pad_insn_size, \ | |
500 | adjusted_insn_addr, \ | |
501 | adjusted_insn_addr_end, \ | |
502 | err) \ | |
503 | (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \ | |
504 | collector,lockaddr, \ | |
505 | orig_size, jump_entry, \ | |
506 | trampoline, \ | |
507 | trampoline_size, \ | |
508 | jjump_pad_insn, \ | |
509 | jjump_pad_insn_size, \ | |
510 | adjusted_insn_addr, \ | |
511 | adjusted_insn_addr_end, \ | |
512 | err) | |
513 | ||
514 | #define target_emit_ops() \ | |
515 | (the_target->emit_ops ? (*the_target->emit_ops) () : NULL) | |
516 | ||
517 | #define target_supports_disable_randomization() \ | |
518 | (the_target->supports_disable_randomization ? \ | |
519 | (*the_target->supports_disable_randomization) () : 0) | |
520 | ||
521 | #define target_supports_agent() \ | |
522 | (the_target->supports_agent ? \ | |
523 | (*the_target->supports_agent) () : 0) | |
524 | ||
525 | #define target_supports_btrace(format) \ | |
526 | (the_target->supports_btrace \ | |
527 | ? (*the_target->supports_btrace) (the_target, format) : 0) | |
528 | ||
529 | #define target_enable_btrace(ptid, conf) \ | |
530 | (*the_target->enable_btrace) (ptid, conf) | |
531 | ||
532 | #define target_disable_btrace(tinfo) \ | |
533 | (*the_target->disable_btrace) (tinfo) | |
534 | ||
535 | #define target_read_btrace(tinfo, buffer, type) \ | |
536 | (*the_target->read_btrace) (tinfo, buffer, type) | |
537 | ||
538 | #define target_read_btrace_conf(tinfo, buffer) \ | |
539 | (*the_target->read_btrace_conf) (tinfo, buffer) | |
540 | ||
541 | #define target_supports_range_stepping() \ | |
542 | (the_target->supports_range_stepping ? \ | |
543 | (*the_target->supports_range_stepping) () : 0) | |
544 | ||
545 | #define target_supports_stopped_by_sw_breakpoint() \ | |
546 | (the_target->supports_stopped_by_sw_breakpoint ? \ | |
547 | (*the_target->supports_stopped_by_sw_breakpoint) () : 0) | |
548 | ||
549 | #define target_stopped_by_sw_breakpoint() \ | |
550 | (the_target->stopped_by_sw_breakpoint ? \ | |
551 | (*the_target->stopped_by_sw_breakpoint) () : 0) | |
552 | ||
553 | #define target_supports_stopped_by_hw_breakpoint() \ | |
554 | (the_target->supports_stopped_by_hw_breakpoint ? \ | |
555 | (*the_target->supports_stopped_by_hw_breakpoint) () : 0) | |
556 | ||
557 | #define target_supports_conditional_breakpoints() \ | |
558 | (the_target->supports_conditional_breakpoints ? \ | |
559 | (*the_target->supports_conditional_breakpoints) () : 0) | |
560 | ||
561 | #define target_stopped_by_hw_breakpoint() \ | |
562 | (the_target->stopped_by_hw_breakpoint ? \ | |
563 | (*the_target->stopped_by_hw_breakpoint) () : 0) | |
564 | ||
565 | /* Start non-stop mode, returns 0 on success, -1 on failure. */ | |
566 | ||
567 | int start_non_stop (int nonstop); | |
568 | ||
569 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, | |
570 | int connected_wait); | |
571 | ||
572 | #define prepare_to_access_memory() \ | |
573 | (the_target->prepare_to_access_memory \ | |
574 | ? (*the_target->prepare_to_access_memory) () \ | |
575 | : 0) | |
576 | ||
577 | #define done_accessing_memory() \ | |
578 | do \ | |
579 | { \ | |
580 | if (the_target->done_accessing_memory) \ | |
581 | (*the_target->done_accessing_memory) (); \ | |
582 | } while (0) | |
583 | ||
584 | #define target_core_of_thread(ptid) \ | |
585 | (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \ | |
586 | : -1) | |
587 | ||
588 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); | |
589 | ||
590 | int write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
591 | int len); | |
592 | ||
593 | void set_desired_thread (int id); | |
594 | ||
595 | const char *target_pid_to_str (ptid_t); | |
596 | ||
597 | #endif /* TARGET_H */ |