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1 | /* Target operations for the remote server for GDB. | |
2 | Copyright (C) 2002-2020 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 GDBSERVER_TARGET_H | |
22 | #define GDBSERVER_TARGET_H | |
23 | ||
24 | #include <sys/types.h> /* for mode_t */ | |
25 | #include "target/target.h" | |
26 | #include "target/resume.h" | |
27 | #include "target/wait.h" | |
28 | #include "target/waitstatus.h" | |
29 | #include "mem-break.h" | |
30 | #include "gdbsupport/btrace-common.h" | |
31 | #include <vector> | |
32 | ||
33 | struct emit_ops; | |
34 | struct buffer; | |
35 | struct process_info; | |
36 | ||
37 | /* This structure describes how to resume a particular thread (or all | |
38 | threads) based on the client's request. If thread is -1, then this | |
39 | entry applies to all threads. These are passed around as an | |
40 | array. */ | |
41 | ||
42 | struct thread_resume | |
43 | { | |
44 | ptid_t thread; | |
45 | ||
46 | /* How to "resume". */ | |
47 | enum resume_kind kind; | |
48 | ||
49 | /* If non-zero, send this signal when we resume, or to stop the | |
50 | thread. If stopping a thread, and this is 0, the target should | |
51 | stop the thread however it best decides to (e.g., SIGSTOP on | |
52 | linux; SuspendThread on win32). This is a host signal value (not | |
53 | enum gdb_signal). */ | |
54 | int sig; | |
55 | ||
56 | /* Range to single step within. Valid only iff KIND is resume_step. | |
57 | ||
58 | Single-step once, and then continuing stepping as long as the | |
59 | thread stops in this range. (If the range is empty | |
60 | [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step | |
61 | request.) */ | |
62 | CORE_ADDR step_range_start; /* Inclusive */ | |
63 | CORE_ADDR step_range_end; /* Exclusive */ | |
64 | }; | |
65 | ||
66 | class process_target; | |
67 | ||
68 | /* GDBserver doesn't have a concept of strata like GDB, but we call | |
69 | its target vector "process_stratum" anyway for the benefit of | |
70 | shared code. */ | |
71 | struct process_stratum_target | |
72 | { | |
73 | /* Return tdesc index for IPA. */ | |
74 | int (*get_ipa_tdesc_idx) (void); | |
75 | ||
76 | /* The object that will gradually replace this struct. */ | |
77 | process_target *pt; | |
78 | }; | |
79 | ||
80 | class process_target | |
81 | { | |
82 | public: | |
83 | ||
84 | virtual ~process_target () = default; | |
85 | ||
86 | /* Start a new process. | |
87 | ||
88 | PROGRAM is a path to the program to execute. | |
89 | PROGRAM_ARGS is a standard NULL-terminated array of arguments, | |
90 | to be passed to the inferior as ``argv'' (along with PROGRAM). | |
91 | ||
92 | Returns the new PID on success, -1 on failure. Registers the new | |
93 | process with the process list. */ | |
94 | virtual int create_inferior (const char *program, | |
95 | const std::vector<char *> &program_args) = 0; | |
96 | ||
97 | /* Do additional setup after a new process is created, including | |
98 | exec-wrapper completion. */ | |
99 | virtual void post_create_inferior (); | |
100 | ||
101 | /* Attach to a running process. | |
102 | ||
103 | PID is the process ID to attach to, specified by the user | |
104 | or a higher layer. | |
105 | ||
106 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
107 | error() otherwise. */ | |
108 | virtual int attach (unsigned long pid) = 0; | |
109 | ||
110 | /* Kill process PROC. Return -1 on failure, and 0 on success. */ | |
111 | virtual int kill (process_info *proc) = 0; | |
112 | ||
113 | /* Detach from process PROC. Return -1 on failure, and 0 on | |
114 | success. */ | |
115 | virtual int detach (process_info *proc) = 0; | |
116 | ||
117 | /* The inferior process has died. Do what is right. */ | |
118 | virtual void mourn (process_info *proc) = 0; | |
119 | ||
120 | /* Wait for process PID to exit. */ | |
121 | virtual void join (int pid) = 0; | |
122 | ||
123 | /* Return true iff the thread with process ID PID is alive. */ | |
124 | virtual bool thread_alive (ptid_t pid) = 0; | |
125 | ||
126 | /* Resume the inferior process. */ | |
127 | virtual void resume (thread_resume *resume_info, size_t n) = 0; | |
128 | ||
129 | /* Wait for the inferior process or thread to change state. Store | |
130 | status through argument pointer STATUS. | |
131 | ||
132 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
133 | wait for any thread of process pid to do something. Return ptid | |
134 | of child, or -1 in case of error; store status through argument | |
135 | pointer STATUS. OPTIONS is a bit set of options defined as | |
136 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
137 | no child stop to report, return is | |
138 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
139 | virtual ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
140 | int options) = 0; | |
141 | ||
142 | /* Fetch registers from the inferior process. | |
143 | ||
144 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
145 | virtual void fetch_registers (regcache *regcache, int regno) = 0; | |
146 | ||
147 | /* Store registers to the inferior process. | |
148 | ||
149 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
150 | virtual void store_registers (regcache *regcache, int regno) = 0; | |
151 | ||
152 | /* Prepare to read or write memory from the inferior process. | |
153 | Targets use this to do what is necessary to get the state of the | |
154 | inferior such that it is possible to access memory. | |
155 | ||
156 | This should generally only be called from client facing routines, | |
157 | such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint | |
158 | insertion routine. | |
159 | ||
160 | Like `read_memory' and `write_memory' below, returns 0 on success | |
161 | and errno on failure. */ | |
162 | virtual int prepare_to_access_memory (); | |
163 | ||
164 | /* Undo the effects of prepare_to_access_memory. */ | |
165 | virtual void done_accessing_memory (); | |
166 | ||
167 | /* Read memory from the inferior process. This should generally be | |
168 | called through read_inferior_memory, which handles breakpoint shadowing. | |
169 | ||
170 | Read LEN bytes at MEMADDR into a buffer at MYADDR. | |
171 | ||
172 | Returns 0 on success and errno on failure. */ | |
173 | virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
174 | int len) = 0; | |
175 | ||
176 | /* Write memory to the inferior process. This should generally be | |
177 | called through target_write_memory, which handles breakpoint shadowing. | |
178 | ||
179 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
180 | ||
181 | Returns 0 on success and errno on failure. */ | |
182 | virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
183 | int len) = 0; | |
184 | ||
185 | /* Query GDB for the values of any symbols we're interested in. | |
186 | This function is called whenever we receive a "qSymbols::" | |
187 | query, which corresponds to every time more symbols (might) | |
188 | become available. */ | |
189 | virtual void look_up_symbols (); | |
190 | ||
191 | /* Send an interrupt request to the inferior process, | |
192 | however is appropriate. */ | |
193 | virtual void request_interrupt () = 0; | |
194 | ||
195 | /* Return true if the read_auxv target op is supported. */ | |
196 | virtual bool supports_read_auxv (); | |
197 | ||
198 | /* Read auxiliary vector data from the inferior process. | |
199 | ||
200 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
201 | virtual int read_auxv (CORE_ADDR offset, unsigned char *myaddr, | |
202 | unsigned int len); | |
203 | ||
204 | /* Returns true if GDB Z breakpoint type TYPE is supported, false | |
205 | otherwise. The type is coded as follows: | |
206 | '0' - software-breakpoint | |
207 | '1' - hardware-breakpoint | |
208 | '2' - write watchpoint | |
209 | '3' - read watchpoint | |
210 | '4' - access watchpoint | |
211 | */ | |
212 | virtual bool supports_z_point_type (char z_type); | |
213 | ||
214 | /* Insert and remove a break or watchpoint. | |
215 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
216 | virtual int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
217 | int size, raw_breakpoint *bp); | |
218 | ||
219 | virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
220 | int size, raw_breakpoint *bp); | |
221 | ||
222 | /* Returns true if the target stopped because it executed a software | |
223 | breakpoint instruction, false otherwise. */ | |
224 | virtual bool stopped_by_sw_breakpoint (); | |
225 | ||
226 | /* Returns true if the target knows whether a trap was caused by a | |
227 | SW breakpoint triggering. */ | |
228 | virtual bool supports_stopped_by_sw_breakpoint (); | |
229 | ||
230 | /* Returns true if the target stopped for a hardware breakpoint. */ | |
231 | virtual bool stopped_by_hw_breakpoint (); | |
232 | ||
233 | /* Returns true if the target knows whether a trap was caused by a | |
234 | HW breakpoint triggering. */ | |
235 | virtual bool supports_stopped_by_hw_breakpoint (); | |
236 | ||
237 | /* Returns true if the target can do hardware single step. */ | |
238 | virtual bool supports_hardware_single_step (); | |
239 | ||
240 | /* Returns true if target was stopped due to a watchpoint hit, false | |
241 | otherwise. */ | |
242 | virtual bool stopped_by_watchpoint (); | |
243 | ||
244 | /* Returns the address associated with the watchpoint that hit, if any; | |
245 | returns 0 otherwise. */ | |
246 | virtual CORE_ADDR stopped_data_address (); | |
247 | ||
248 | /* Return true if the read_offsets target op is supported. */ | |
249 | virtual bool supports_read_offsets (); | |
250 | ||
251 | /* Reports the text, data offsets of the executable. This is | |
252 | needed for uclinux where the executable is relocated during load | |
253 | time. */ | |
254 | virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); | |
255 | ||
256 | /* Return true if the get_tls_address target op is supported. */ | |
257 | virtual bool supports_get_tls_address (); | |
258 | ||
259 | /* Fetch the address associated with a specific thread local storage | |
260 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
261 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
262 | an error code. A return value of -1 means this system does not | |
263 | support the operation. */ | |
264 | virtual int get_tls_address (thread_info *thread, CORE_ADDR offset, | |
265 | CORE_ADDR load_module, CORE_ADDR *address); | |
266 | ||
267 | /* Fill BUF with an hostio error packet representing the last hostio | |
268 | error. */ | |
269 | virtual void hostio_last_error (char *buf); | |
270 | ||
271 | /* Return true if the qxfer_osdata target op is supported. */ | |
272 | virtual bool supports_qxfer_osdata (); | |
273 | ||
274 | /* Read/Write OS data using qXfer packets. */ | |
275 | virtual int qxfer_osdata (const char *annex, unsigned char *readbuf, | |
276 | unsigned const char *writebuf, | |
277 | CORE_ADDR offset, int len); | |
278 | ||
279 | /* Return true if the qxfer_siginfo target op is supported. */ | |
280 | virtual bool supports_qxfer_siginfo (); | |
281 | ||
282 | /* Read/Write extra signal info. */ | |
283 | virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
284 | unsigned const char *writebuf, | |
285 | CORE_ADDR offset, int len); | |
286 | ||
287 | /* Return true if non-stop mode is supported. */ | |
288 | virtual bool supports_non_stop (); | |
289 | ||
290 | /* Enables async target events. Returns the previous enable | |
291 | state. */ | |
292 | virtual bool async (bool enable); | |
293 | ||
294 | /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false) | |
295 | mode. Return 0 on success, -1 otherwise. */ | |
296 | virtual int start_non_stop (bool enable); | |
297 | ||
298 | /* Returns true if the target supports multi-process debugging. */ | |
299 | virtual bool supports_multi_process (); | |
300 | ||
301 | /* Returns true if fork events are supported. */ | |
302 | virtual bool supports_fork_events (); | |
303 | ||
304 | /* Returns true if vfork events are supported. */ | |
305 | virtual bool supports_vfork_events (); | |
306 | ||
307 | /* Returns true if exec events are supported. */ | |
308 | virtual bool supports_exec_events (); | |
309 | ||
310 | /* Allows target to re-initialize connection-specific settings. */ | |
311 | virtual void handle_new_gdb_connection (); | |
312 | ||
313 | /* The target-specific routine to process monitor command. | |
314 | Returns 1 if handled, or 0 to perform default processing. */ | |
315 | virtual int handle_monitor_command (char *mon); | |
316 | ||
317 | /* Returns the core given a thread, or -1 if not known. */ | |
318 | virtual int core_of_thread (ptid_t ptid); | |
319 | ||
320 | /* Returns true if the read_loadmap target op is supported. */ | |
321 | virtual bool supports_read_loadmap (); | |
322 | ||
323 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
324 | virtual int read_loadmap (const char *annex, CORE_ADDR offset, | |
325 | unsigned char *myaddr, unsigned int len); | |
326 | ||
327 | /* Target specific qSupported support. FEATURES is an array of | |
328 | features with COUNT elements. */ | |
329 | virtual void process_qsupported (char **features, int count); | |
330 | ||
331 | /* Return true if the target supports tracepoints, false otherwise. */ | |
332 | virtual bool supports_tracepoints (); | |
333 | ||
334 | /* Read PC from REGCACHE. */ | |
335 | virtual CORE_ADDR read_pc (regcache *regcache); | |
336 | ||
337 | /* Write PC to REGCACHE. */ | |
338 | virtual void write_pc (regcache *regcache, CORE_ADDR pc); | |
339 | ||
340 | /* Return true if the thread_stopped op is supported. */ | |
341 | virtual bool supports_thread_stopped (); | |
342 | ||
343 | /* Return true if THREAD is known to be stopped now. */ | |
344 | virtual bool thread_stopped (thread_info *thread); | |
345 | ||
346 | /* Return true if the get_tib_address op is supported. */ | |
347 | virtual bool supports_get_tib_address (); | |
348 | ||
349 | /* Read Thread Information Block address. */ | |
350 | virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); | |
351 | ||
352 | /* Pause all threads. If FREEZE, arrange for any resume attempt to | |
353 | be ignored until an unpause_all call unfreezes threads again. | |
354 | There can be nested calls to pause_all, so a freeze counter | |
355 | should be maintained. */ | |
356 | virtual void pause_all (bool freeze); | |
357 | ||
358 | /* Unpause all threads. Threads that hadn't been resumed by the | |
359 | client should be left stopped. Basically a pause/unpause call | |
360 | pair should not end up resuming threads that were stopped before | |
361 | the pause call. */ | |
362 | virtual void unpause_all (bool unfreeze); | |
363 | ||
364 | /* Stabilize all threads. That is, force them out of jump pads. */ | |
365 | virtual void stabilize_threads (); | |
366 | ||
367 | /* Return true if the install_fast_tracepoint_jump_pad op is | |
368 | supported. */ | |
369 | virtual bool supports_fast_tracepoints (); | |
370 | ||
371 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
372 | tracepoint internal object as used by the IPA agent. TPADDR is | |
373 | the address of tracepoint. COLLECTOR is address of the function | |
374 | the jump pad redirects to. LOCKADDR is the address of the jump | |
375 | pad lock object. ORIG_SIZE is the size in bytes of the | |
376 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
377 | jump pad entry, and on return holds the address past the end of | |
378 | the created jump pad. If a trampoline is created by the function, | |
379 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
380 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
381 | buffer containing a copy of the instruction at TPADDR. | |
382 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
383 | return the address range where the instruction at TPADDR was relocated | |
384 | to. If an error occurs, the ERR may be used to pass on an error | |
385 | message. */ | |
386 | virtual int install_fast_tracepoint_jump_pad | |
387 | (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, | |
388 | CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, | |
389 | CORE_ADDR *trampoline, ULONGEST *trampoline_size, | |
390 | unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, | |
391 | CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, | |
392 | char *err); | |
393 | ||
394 | /* Return the minimum length of an instruction that can be safely | |
395 | overwritten for use as a fast tracepoint. */ | |
396 | virtual int get_min_fast_tracepoint_insn_len (); | |
397 | ||
398 | /* Return the bytecode operations vector for the current inferior. | |
399 | Returns nullptr if bytecode compilation is not supported. */ | |
400 | virtual struct emit_ops *emit_ops (); | |
401 | ||
402 | /* Returns true if the target supports disabling randomization. */ | |
403 | virtual bool supports_disable_randomization (); | |
404 | ||
405 | /* Return true if the qxfer_libraries_svr4 op is supported. */ | |
406 | virtual bool supports_qxfer_libraries_svr4 (); | |
407 | ||
408 | /* Read solib info on SVR4 platforms. */ | |
409 | virtual int qxfer_libraries_svr4 (const char *annex, | |
410 | unsigned char *readbuf, | |
411 | unsigned const char *writebuf, | |
412 | CORE_ADDR offset, int len); | |
413 | ||
414 | /* Return true if target supports debugging agent. */ | |
415 | virtual bool supports_agent (); | |
416 | ||
417 | /* Enable branch tracing for PTID based on CONF and allocate a branch trace | |
418 | target information struct for reading and for disabling branch trace. */ | |
419 | virtual btrace_target_info *enable_btrace (ptid_t ptid, | |
420 | const btrace_config *conf); | |
421 | ||
422 | /* Disable branch tracing. | |
423 | Returns zero on success, non-zero otherwise. */ | |
424 | virtual int disable_btrace (btrace_target_info *tinfo); | |
425 | ||
426 | /* Read branch trace data into buffer. | |
427 | Return 0 on success; print an error message into BUFFER and return -1, | |
428 | otherwise. */ | |
429 | virtual int read_btrace (btrace_target_info *tinfo, buffer *buf, | |
430 | enum btrace_read_type type); | |
431 | ||
432 | /* Read the branch trace configuration into BUFFER. | |
433 | Return 0 on success; print an error message into BUFFER and return -1 | |
434 | otherwise. */ | |
435 | virtual int read_btrace_conf (const btrace_target_info *tinfo, | |
436 | buffer *buf); | |
437 | ||
438 | /* Return true if target supports range stepping. */ | |
439 | virtual bool supports_range_stepping (); | |
440 | ||
441 | /* Return true if the pid_to_exec_file op is supported. */ | |
442 | virtual bool supports_pid_to_exec_file (); | |
443 | ||
444 | /* Return the full absolute name of the executable file that was | |
445 | run to create the process PID. If the executable file cannot | |
446 | be determined, NULL is returned. Otherwise, a pointer to a | |
447 | character string containing the pathname is returned. This | |
448 | string should be copied into a buffer by the client if the string | |
449 | will not be immediately used, or if it must persist. */ | |
450 | virtual char *pid_to_exec_file (int pid); | |
451 | ||
452 | /* Return true if any of the multifs ops is supported. */ | |
453 | virtual bool supports_multifs (); | |
454 | ||
455 | /* Multiple-filesystem-aware open. Like open(2), but operating in | |
456 | the filesystem as it appears to process PID. Systems where all | |
457 | processes share a common filesystem should not override this. | |
458 | The default behavior is to use open(2). */ | |
459 | virtual int multifs_open (int pid, const char *filename, | |
460 | int flags, mode_t mode); | |
461 | ||
462 | /* Multiple-filesystem-aware unlink. Like unlink(2), but operates | |
463 | in the filesystem as it appears to process PID. Systems where | |
464 | all processes share a common filesystem should not override this. | |
465 | The default behavior is to use unlink(2). */ | |
466 | virtual int multifs_unlink (int pid, const char *filename); | |
467 | ||
468 | /* Multiple-filesystem-aware readlink. Like readlink(2), but | |
469 | operating in the filesystem as it appears to process PID. | |
470 | Systems where all processes share a common filesystem should | |
471 | not override this. The default behavior is to use readlink(2). */ | |
472 | virtual ssize_t multifs_readlink (int pid, const char *filename, | |
473 | char *buf, size_t bufsiz); | |
474 | ||
475 | /* Return the breakpoint kind for this target based on PC. The | |
476 | PCPTR is adjusted to the real memory location in case a flag | |
477 | (e.g., the Thumb bit on ARM) was present in the PC. */ | |
478 | virtual int breakpoint_kind_from_pc (CORE_ADDR *pcptr); | |
479 | ||
480 | /* Return the software breakpoint from KIND. KIND can have target | |
481 | specific meaning like the Z0 kind parameter. | |
482 | SIZE is set to the software breakpoint's length in memory. */ | |
483 | virtual const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) = 0; | |
484 | ||
485 | /* Return the breakpoint kind for this target based on the current | |
486 | processor state (e.g. the current instruction mode on ARM) and the | |
487 | PC. The PCPTR is adjusted to the real memory location in case a | |
488 | flag (e.g., the Thumb bit on ARM) is present in the PC. */ | |
489 | virtual int breakpoint_kind_from_current_state (CORE_ADDR *pcptr); | |
490 | ||
491 | /* Return the thread's name, or NULL if the target is unable to | |
492 | determine it. The returned value must not be freed by the | |
493 | caller. */ | |
494 | virtual const char *thread_name (ptid_t thread); | |
495 | ||
496 | /* Thread ID to (numeric) thread handle: Return true on success and | |
497 | false for failure. Return pointer to thread handle via HANDLE | |
498 | and the handle's length via HANDLE_LEN. */ | |
499 | virtual bool thread_handle (ptid_t ptid, gdb_byte **handle, | |
500 | int *handle_len); | |
501 | ||
502 | /* Returns true if the target can software single step. */ | |
503 | virtual bool supports_software_single_step (); | |
504 | ||
505 | /* Return true if the target supports catch syscall. */ | |
506 | virtual bool supports_catch_syscall (); | |
507 | }; | |
508 | ||
509 | extern process_stratum_target *the_target; | |
510 | ||
511 | void set_target_ops (process_stratum_target *); | |
512 | ||
513 | #define target_create_inferior(program, program_args) \ | |
514 | the_target->pt->create_inferior (program, program_args) | |
515 | ||
516 | #define target_post_create_inferior() \ | |
517 | the_target->pt->post_create_inferior () | |
518 | ||
519 | #define myattach(pid) \ | |
520 | the_target->pt->attach (pid) | |
521 | ||
522 | int kill_inferior (process_info *proc); | |
523 | ||
524 | #define target_supports_fork_events() \ | |
525 | the_target->pt->supports_fork_events () | |
526 | ||
527 | #define target_supports_vfork_events() \ | |
528 | the_target->pt->supports_vfork_events () | |
529 | ||
530 | #define target_supports_exec_events() \ | |
531 | the_target->pt->supports_exec_events () | |
532 | ||
533 | #define target_handle_new_gdb_connection() \ | |
534 | the_target->pt->handle_new_gdb_connection () | |
535 | ||
536 | #define detach_inferior(proc) \ | |
537 | the_target->pt->detach (proc) | |
538 | ||
539 | #define mythread_alive(pid) \ | |
540 | the_target->pt->thread_alive (pid) | |
541 | ||
542 | #define fetch_inferior_registers(regcache, regno) \ | |
543 | the_target->pt->fetch_registers (regcache, regno) | |
544 | ||
545 | #define store_inferior_registers(regcache, regno) \ | |
546 | the_target->pt->store_registers (regcache, regno) | |
547 | ||
548 | #define join_inferior(pid) \ | |
549 | the_target->pt->join (pid) | |
550 | ||
551 | #define target_supports_non_stop() \ | |
552 | the_target->pt->supports_non_stop () | |
553 | ||
554 | #define target_async(enable) \ | |
555 | the_target->pt->async (enable) | |
556 | ||
557 | #define target_process_qsupported(features, count) \ | |
558 | the_target->pt->process_qsupported (features, count) | |
559 | ||
560 | #define target_supports_catch_syscall() \ | |
561 | the_target->pt->supports_catch_syscall () | |
562 | ||
563 | #define target_get_ipa_tdesc_idx() \ | |
564 | (the_target->get_ipa_tdesc_idx \ | |
565 | ? (*the_target->get_ipa_tdesc_idx) () : 0) | |
566 | ||
567 | #define target_supports_tracepoints() \ | |
568 | the_target->pt->supports_tracepoints () | |
569 | ||
570 | #define target_supports_fast_tracepoints() \ | |
571 | the_target->pt->supports_fast_tracepoints () | |
572 | ||
573 | #define target_get_min_fast_tracepoint_insn_len() \ | |
574 | the_target->pt->get_min_fast_tracepoint_insn_len () | |
575 | ||
576 | #define target_thread_stopped(thread) \ | |
577 | the_target->pt->thread_stopped (thread) | |
578 | ||
579 | #define target_pause_all(freeze) \ | |
580 | the_target->pt->pause_all (freeze) | |
581 | ||
582 | #define target_unpause_all(unfreeze) \ | |
583 | the_target->pt->unpause_all (unfreeze) | |
584 | ||
585 | #define target_stabilize_threads() \ | |
586 | the_target->pt->stabilize_threads () | |
587 | ||
588 | #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ | |
589 | collector, lockaddr, \ | |
590 | orig_size, \ | |
591 | jump_entry, \ | |
592 | trampoline, trampoline_size, \ | |
593 | jjump_pad_insn, \ | |
594 | jjump_pad_insn_size, \ | |
595 | adjusted_insn_addr, \ | |
596 | adjusted_insn_addr_end, \ | |
597 | err) \ | |
598 | the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ | |
599 | collector,lockaddr, \ | |
600 | orig_size, jump_entry, \ | |
601 | trampoline, \ | |
602 | trampoline_size, \ | |
603 | jjump_pad_insn, \ | |
604 | jjump_pad_insn_size, \ | |
605 | adjusted_insn_addr, \ | |
606 | adjusted_insn_addr_end, \ | |
607 | err) | |
608 | ||
609 | #define target_emit_ops() \ | |
610 | the_target->pt->emit_ops () | |
611 | ||
612 | #define target_supports_disable_randomization() \ | |
613 | the_target->pt->supports_disable_randomization () | |
614 | ||
615 | #define target_supports_agent() \ | |
616 | the_target->pt->supports_agent () | |
617 | ||
618 | static inline struct btrace_target_info * | |
619 | target_enable_btrace (ptid_t ptid, const struct btrace_config *conf) | |
620 | { | |
621 | return the_target->pt->enable_btrace (ptid, conf); | |
622 | } | |
623 | ||
624 | static inline int | |
625 | target_disable_btrace (struct btrace_target_info *tinfo) | |
626 | { | |
627 | return the_target->pt->disable_btrace (tinfo); | |
628 | } | |
629 | ||
630 | static inline int | |
631 | target_read_btrace (struct btrace_target_info *tinfo, | |
632 | struct buffer *buffer, | |
633 | enum btrace_read_type type) | |
634 | { | |
635 | return the_target->pt->read_btrace (tinfo, buffer, type); | |
636 | } | |
637 | ||
638 | static inline int | |
639 | target_read_btrace_conf (struct btrace_target_info *tinfo, | |
640 | struct buffer *buffer) | |
641 | { | |
642 | return the_target->pt->read_btrace_conf (tinfo, buffer); | |
643 | } | |
644 | ||
645 | #define target_supports_range_stepping() \ | |
646 | the_target->pt->supports_range_stepping () | |
647 | ||
648 | #define target_supports_stopped_by_sw_breakpoint() \ | |
649 | the_target->pt->supports_stopped_by_sw_breakpoint () | |
650 | ||
651 | #define target_stopped_by_sw_breakpoint() \ | |
652 | the_target->pt->stopped_by_sw_breakpoint () | |
653 | ||
654 | #define target_supports_stopped_by_hw_breakpoint() \ | |
655 | the_target->pt->supports_stopped_by_hw_breakpoint () | |
656 | ||
657 | #define target_supports_hardware_single_step() \ | |
658 | the_target->pt->supports_hardware_single_step () | |
659 | ||
660 | #define target_stopped_by_hw_breakpoint() \ | |
661 | the_target->pt->stopped_by_hw_breakpoint () | |
662 | ||
663 | #define target_breakpoint_kind_from_pc(pcptr) \ | |
664 | the_target->pt->breakpoint_kind_from_pc (pcptr) | |
665 | ||
666 | #define target_breakpoint_kind_from_current_state(pcptr) \ | |
667 | the_target->pt->breakpoint_kind_from_current_state (pcptr) | |
668 | ||
669 | #define target_supports_software_single_step() \ | |
670 | the_target->pt->supports_software_single_step () | |
671 | ||
672 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, | |
673 | int connected_wait); | |
674 | ||
675 | /* Prepare to read or write memory from the inferior process. See the | |
676 | corresponding process_stratum_target methods for more details. */ | |
677 | ||
678 | int prepare_to_access_memory (void); | |
679 | void done_accessing_memory (void); | |
680 | ||
681 | #define target_core_of_thread(ptid) \ | |
682 | the_target->pt->core_of_thread (ptid) | |
683 | ||
684 | #define target_thread_name(ptid) \ | |
685 | the_target->pt->thread_name (ptid) | |
686 | ||
687 | #define target_thread_handle(ptid, handle, handle_len) \ | |
688 | the_target->pt->thread_handle (ptid, handle, handle_len) | |
689 | ||
690 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); | |
691 | ||
692 | int set_desired_thread (); | |
693 | ||
694 | const char *target_pid_to_str (ptid_t); | |
695 | ||
696 | #endif /* GDBSERVER_TARGET_H */ |