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ce3a066d | 1 | /* Target operations for the remote server for GDB. |
213516ef | 2 | Copyright (C) 2002-2023 Free Software Foundation, Inc. |
ce3a066d DJ |
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 | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
ce3a066d DJ |
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 | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
ce3a066d | 20 | |
1a5c2598 TT |
21 | #ifndef GDBSERVER_TARGET_H |
22 | #define GDBSERVER_TARGET_H | |
ce3a066d | 23 | |
37ce4055 | 24 | #include <sys/types.h> /* for mode_t */ |
721ec300 | 25 | #include "target/target.h" |
33b60d58 LM |
26 | #include "target/resume.h" |
27 | #include "target/wait.h" | |
28 | #include "target/waitstatus.h" | |
802e8e6d | 29 | #include "mem-break.h" |
b315b67d | 30 | #include "gdbsupport/array-view.h" |
268a13a5 | 31 | #include "gdbsupport/btrace-common.h" |
2090129c | 32 | #include <vector> |
546b77fe | 33 | #include "gdbsupport/byte-vector.h" |
3360c0bf | 34 | |
6a271cae | 35 | struct emit_ops; |
9accd112 | 36 | struct buffer; |
6a6bbd9d | 37 | struct process_info; |
6a271cae | 38 | |
2bd7c093 PA |
39 | /* This structure describes how to resume a particular thread (or all |
40 | threads) based on the client's request. If thread is -1, then this | |
41 | entry applies to all threads. These are passed around as an | |
42 | array. */ | |
64386c31 DJ |
43 | |
44 | struct thread_resume | |
45 | { | |
95954743 | 46 | ptid_t thread; |
64386c31 | 47 | |
bd99dc85 PA |
48 | /* How to "resume". */ |
49 | enum resume_kind kind; | |
64386c31 | 50 | |
bd99dc85 PA |
51 | /* If non-zero, send this signal when we resume, or to stop the |
52 | thread. If stopping a thread, and this is 0, the target should | |
53 | stop the thread however it best decides to (e.g., SIGSTOP on | |
30d50328 | 54 | linux; SuspendThread on win32). This is a host signal value (not |
2ea28649 | 55 | enum gdb_signal). */ |
64386c31 | 56 | int sig; |
c2d6af84 PA |
57 | |
58 | /* Range to single step within. Valid only iff KIND is resume_step. | |
59 | ||
60 | Single-step once, and then continuing stepping as long as the | |
61 | thread stops in this range. (If the range is empty | |
62 | [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step | |
63 | request.) */ | |
64 | CORE_ADDR step_range_start; /* Inclusive */ | |
65 | CORE_ADDR step_range_end; /* Exclusive */ | |
64386c31 DJ |
66 | }; |
67 | ||
5b6d1e4f PA |
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. */ | |
5ef9273d | 71 | |
52405d85 | 72 | class process_stratum_target |
5ef9273d TBA |
73 | { |
74 | public: | |
75 | ||
52405d85 | 76 | virtual ~process_stratum_target () = default; |
15295543 TBA |
77 | |
78 | /* Start a new process. | |
79 | ||
80 | PROGRAM is a path to the program to execute. | |
81 | PROGRAM_ARGS is a standard NULL-terminated array of arguments, | |
82 | to be passed to the inferior as ``argv'' (along with PROGRAM). | |
83 | ||
84 | Returns the new PID on success, -1 on failure. Registers the new | |
85 | process with the process list. */ | |
86 | virtual int create_inferior (const char *program, | |
87 | const std::vector<char *> &program_args) = 0; | |
6dee9afb TBA |
88 | |
89 | /* Do additional setup after a new process is created, including | |
90 | exec-wrapper completion. */ | |
91 | virtual void post_create_inferior (); | |
ef03dad8 TBA |
92 | |
93 | /* Attach to a running process. | |
94 | ||
95 | PID is the process ID to attach to, specified by the user | |
96 | or a higher layer. | |
97 | ||
98 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
99 | error() otherwise. */ | |
100 | virtual int attach (unsigned long pid) = 0; | |
c6885a57 TBA |
101 | |
102 | /* Kill process PROC. Return -1 on failure, and 0 on success. */ | |
103 | virtual int kill (process_info *proc) = 0; | |
9061c9cf TBA |
104 | |
105 | /* Detach from process PROC. Return -1 on failure, and 0 on | |
106 | success. */ | |
107 | virtual int detach (process_info *proc) = 0; | |
8adb37b9 TBA |
108 | |
109 | /* The inferior process has died. Do what is right. */ | |
110 | virtual void mourn (process_info *proc) = 0; | |
95a49a39 TBA |
111 | |
112 | /* Wait for process PID to exit. */ | |
113 | virtual void join (int pid) = 0; | |
13d3d99b TBA |
114 | |
115 | /* Return true iff the thread with process ID PID is alive. */ | |
116 | virtual bool thread_alive (ptid_t pid) = 0; | |
0e4d7e35 TBA |
117 | |
118 | /* Resume the inferior process. */ | |
119 | virtual void resume (thread_resume *resume_info, size_t n) = 0; | |
6532e7e3 TBA |
120 | |
121 | /* Wait for the inferior process or thread to change state. Store | |
122 | status through argument pointer STATUS. | |
123 | ||
124 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
125 | wait for any thread of process pid to do something. Return ptid | |
126 | of child, or -1 in case of error; store status through argument | |
127 | pointer STATUS. OPTIONS is a bit set of options defined as | |
128 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
129 | no child stop to report, return is | |
130 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
131 | virtual ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
b60cea74 | 132 | target_wait_flags options) = 0; |
a5a4d4cd TBA |
133 | |
134 | /* Fetch registers from the inferior process. | |
135 | ||
136 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
137 | virtual void fetch_registers (regcache *regcache, int regno) = 0; | |
138 | ||
139 | /* Store registers to the inferior process. | |
140 | ||
141 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
142 | virtual void store_registers (regcache *regcache, int regno) = 0; | |
79b44087 | 143 | |
e2558df3 TBA |
144 | /* Read memory from the inferior process. This should generally be |
145 | called through read_inferior_memory, which handles breakpoint shadowing. | |
146 | ||
147 | Read LEN bytes at MEMADDR into a buffer at MYADDR. | |
148 | ||
149 | Returns 0 on success and errno on failure. */ | |
150 | virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
151 | int len) = 0; | |
152 | ||
153 | /* Write memory to the inferior process. This should generally be | |
154 | called through target_write_memory, which handles breakpoint shadowing. | |
155 | ||
156 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
157 | ||
158 | Returns 0 on success and errno on failure. */ | |
159 | virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
160 | int len) = 0; | |
2a31c7aa TBA |
161 | |
162 | /* Query GDB for the values of any symbols we're interested in. | |
163 | This function is called whenever we receive a "qSymbols::" | |
164 | query, which corresponds to every time more symbols (might) | |
165 | become available. */ | |
166 | virtual void look_up_symbols (); | |
eb497a2a TBA |
167 | |
168 | /* Send an interrupt request to the inferior process, | |
169 | however is appropriate. */ | |
170 | virtual void request_interrupt () = 0; | |
eac215cc TBA |
171 | |
172 | /* Return true if the read_auxv target op is supported. */ | |
173 | virtual bool supports_read_auxv (); | |
174 | ||
175 | /* Read auxiliary vector data from the inferior process. | |
176 | ||
177 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
178 | virtual int read_auxv (CORE_ADDR offset, unsigned char *myaddr, | |
179 | unsigned int len); | |
a2b2297a TBA |
180 | |
181 | /* Returns true if GDB Z breakpoint type TYPE is supported, false | |
182 | otherwise. The type is coded as follows: | |
183 | '0' - software-breakpoint | |
184 | '1' - hardware-breakpoint | |
185 | '2' - write watchpoint | |
186 | '3' - read watchpoint | |
187 | '4' - access watchpoint | |
188 | */ | |
189 | virtual bool supports_z_point_type (char z_type); | |
7e0bde70 TBA |
190 | |
191 | /* Insert and remove a break or watchpoint. | |
192 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
193 | virtual int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
194 | int size, raw_breakpoint *bp); | |
195 | ||
196 | virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
197 | int size, raw_breakpoint *bp); | |
84320c4e TBA |
198 | |
199 | /* Returns true if the target stopped because it executed a software | |
200 | breakpoint instruction, false otherwise. */ | |
201 | virtual bool stopped_by_sw_breakpoint (); | |
202 | ||
203 | /* Returns true if the target knows whether a trap was caused by a | |
204 | SW breakpoint triggering. */ | |
205 | virtual bool supports_stopped_by_sw_breakpoint (); | |
93fe88b2 TBA |
206 | |
207 | /* Returns true if the target stopped for a hardware breakpoint. */ | |
208 | virtual bool stopped_by_hw_breakpoint (); | |
209 | ||
210 | /* Returns true if the target knows whether a trap was caused by a | |
211 | HW breakpoint triggering. */ | |
212 | virtual bool supports_stopped_by_hw_breakpoint (); | |
22aa6223 TBA |
213 | |
214 | /* Returns true if the target can do hardware single step. */ | |
215 | virtual bool supports_hardware_single_step (); | |
6eeb5c55 TBA |
216 | |
217 | /* Returns true if target was stopped due to a watchpoint hit, false | |
218 | otherwise. */ | |
219 | virtual bool stopped_by_watchpoint (); | |
220 | ||
221 | /* Returns the address associated with the watchpoint that hit, if any; | |
222 | returns 0 otherwise. */ | |
223 | virtual CORE_ADDR stopped_data_address (); | |
5203ae1e TBA |
224 | |
225 | /* Return true if the read_offsets target op is supported. */ | |
226 | virtual bool supports_read_offsets (); | |
227 | ||
228 | /* Reports the text, data offsets of the executable. This is | |
229 | needed for uclinux where the executable is relocated during load | |
230 | time. */ | |
231 | virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); | |
6e3fd7e9 TBA |
232 | |
233 | /* Return true if the get_tls_address target op is supported. */ | |
234 | virtual bool supports_get_tls_address (); | |
235 | ||
236 | /* Fetch the address associated with a specific thread local storage | |
237 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
238 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
239 | an error code. A return value of -1 means this system does not | |
240 | support the operation. */ | |
241 | virtual int get_tls_address (thread_info *thread, CORE_ADDR offset, | |
242 | CORE_ADDR load_module, CORE_ADDR *address); | |
ea06bbaa | 243 | |
2d0795ee TBA |
244 | /* Return true if the qxfer_osdata target op is supported. */ |
245 | virtual bool supports_qxfer_osdata (); | |
246 | ||
247 | /* Read/Write OS data using qXfer packets. */ | |
248 | virtual int qxfer_osdata (const char *annex, unsigned char *readbuf, | |
249 | unsigned const char *writebuf, | |
250 | CORE_ADDR offset, int len); | |
d7abedf7 TBA |
251 | |
252 | /* Return true if the qxfer_siginfo target op is supported. */ | |
253 | virtual bool supports_qxfer_siginfo (); | |
254 | ||
255 | /* Read/Write extra signal info. */ | |
256 | virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
257 | unsigned const char *writebuf, | |
258 | CORE_ADDR offset, int len); | |
0dc587d4 TBA |
259 | |
260 | /* Return true if non-stop mode is supported. */ | |
261 | virtual bool supports_non_stop (); | |
262 | ||
263 | /* Enables async target events. Returns the previous enable | |
264 | state. */ | |
265 | virtual bool async (bool enable); | |
266 | ||
267 | /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false) | |
268 | mode. Return 0 on success, -1 otherwise. */ | |
269 | virtual int start_non_stop (bool enable); | |
652aef77 TBA |
270 | |
271 | /* Returns true if the target supports multi-process debugging. */ | |
272 | virtual bool supports_multi_process (); | |
9690a72a TBA |
273 | |
274 | /* Returns true if fork events are supported. */ | |
275 | virtual bool supports_fork_events (); | |
276 | ||
277 | /* Returns true if vfork events are supported. */ | |
278 | virtual bool supports_vfork_events (); | |
279 | ||
280 | /* Returns true if exec events are supported. */ | |
281 | virtual bool supports_exec_events (); | |
fb00dfce TBA |
282 | |
283 | /* Allows target to re-initialize connection-specific settings. */ | |
284 | virtual void handle_new_gdb_connection (); | |
55cf3021 TBA |
285 | |
286 | /* The target-specific routine to process monitor command. | |
287 | Returns 1 if handled, or 0 to perform default processing. */ | |
288 | virtual int handle_monitor_command (char *mon); | |
95a45fc1 TBA |
289 | |
290 | /* Returns the core given a thread, or -1 if not known. */ | |
291 | virtual int core_of_thread (ptid_t ptid); | |
9da41fda TBA |
292 | |
293 | /* Returns true if the read_loadmap target op is supported. */ | |
294 | virtual bool supports_read_loadmap (); | |
295 | ||
296 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
297 | virtual int read_loadmap (const char *annex, CORE_ADDR offset, | |
298 | unsigned char *myaddr, unsigned int len); | |
0df28b1b TBA |
299 | |
300 | /* Target specific qSupported support. FEATURES is an array of | |
b315b67d SM |
301 | features unsupported by the core of GDBserver. */ |
302 | virtual void process_qsupported | |
303 | (gdb::array_view<const char * const> features); | |
290732bf TBA |
304 | |
305 | /* Return true if the target supports tracepoints, false otherwise. */ | |
306 | virtual bool supports_tracepoints (); | |
770d8f6a TBA |
307 | |
308 | /* Read PC from REGCACHE. */ | |
309 | virtual CORE_ADDR read_pc (regcache *regcache); | |
310 | ||
311 | /* Write PC to REGCACHE. */ | |
312 | virtual void write_pc (regcache *regcache, CORE_ADDR pc); | |
68119632 TBA |
313 | |
314 | /* Return true if the thread_stopped op is supported. */ | |
315 | virtual bool supports_thread_stopped (); | |
316 | ||
317 | /* Return true if THREAD is known to be stopped now. */ | |
318 | virtual bool thread_stopped (thread_info *thread); | |
4e2e869c TBA |
319 | |
320 | /* Return true if the get_tib_address op is supported. */ | |
321 | virtual bool supports_get_tib_address (); | |
322 | ||
323 | /* Read Thread Information Block address. */ | |
324 | virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); | |
29e8dc09 TBA |
325 | |
326 | /* Pause all threads. If FREEZE, arrange for any resume attempt to | |
327 | be ignored until an unpause_all call unfreezes threads again. | |
328 | There can be nested calls to pause_all, so a freeze counter | |
329 | should be maintained. */ | |
330 | virtual void pause_all (bool freeze); | |
331 | ||
332 | /* Unpause all threads. Threads that hadn't been resumed by the | |
333 | client should be left stopped. Basically a pause/unpause call | |
334 | pair should not end up resuming threads that were stopped before | |
335 | the pause call. */ | |
336 | virtual void unpause_all (bool unfreeze); | |
5c9eb2f2 TBA |
337 | |
338 | /* Stabilize all threads. That is, force them out of jump pads. */ | |
339 | virtual void stabilize_threads (); | |
c23c9391 TBA |
340 | |
341 | /* Return true if the install_fast_tracepoint_jump_pad op is | |
342 | supported. */ | |
343 | virtual bool supports_fast_tracepoints (); | |
344 | ||
345 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
346 | tracepoint internal object as used by the IPA agent. TPADDR is | |
347 | the address of tracepoint. COLLECTOR is address of the function | |
348 | the jump pad redirects to. LOCKADDR is the address of the jump | |
349 | pad lock object. ORIG_SIZE is the size in bytes of the | |
350 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
351 | jump pad entry, and on return holds the address past the end of | |
352 | the created jump pad. If a trampoline is created by the function, | |
353 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
354 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
355 | buffer containing a copy of the instruction at TPADDR. | |
356 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
357 | return the address range where the instruction at TPADDR was relocated | |
358 | to. If an error occurs, the ERR may be used to pass on an error | |
359 | message. */ | |
360 | virtual int install_fast_tracepoint_jump_pad | |
361 | (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, | |
362 | CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, | |
363 | CORE_ADDR *trampoline, ULONGEST *trampoline_size, | |
364 | unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, | |
365 | CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, | |
366 | char *err); | |
367 | ||
368 | /* Return the minimum length of an instruction that can be safely | |
369 | overwritten for use as a fast tracepoint. */ | |
370 | virtual int get_min_fast_tracepoint_insn_len (); | |
345dafad TBA |
371 | |
372 | /* Return the bytecode operations vector for the current inferior. | |
373 | Returns nullptr if bytecode compilation is not supported. */ | |
374 | virtual struct emit_ops *emit_ops (); | |
c756403b TBA |
375 | |
376 | /* Returns true if the target supports disabling randomization. */ | |
377 | virtual bool supports_disable_randomization (); | |
974387bb TBA |
378 | |
379 | /* Return true if the qxfer_libraries_svr4 op is supported. */ | |
380 | virtual bool supports_qxfer_libraries_svr4 (); | |
381 | ||
382 | /* Read solib info on SVR4 platforms. */ | |
383 | virtual int qxfer_libraries_svr4 (const char *annex, | |
384 | unsigned char *readbuf, | |
385 | unsigned const char *writebuf, | |
386 | CORE_ADDR offset, int len); | |
c0245cb9 TBA |
387 | |
388 | /* Return true if target supports debugging agent. */ | |
389 | virtual bool supports_agent (); | |
79597bdd | 390 | |
8263b346 TBA |
391 | /* Return true if target supports btrace. */ |
392 | virtual bool supports_btrace (); | |
393 | ||
696c0d5e | 394 | /* Enable branch tracing for TP based on CONF and allocate a branch trace |
79597bdd | 395 | target information struct for reading and for disabling branch trace. */ |
696c0d5e | 396 | virtual btrace_target_info *enable_btrace (thread_info *tp, |
79597bdd TBA |
397 | const btrace_config *conf); |
398 | ||
399 | /* Disable branch tracing. | |
400 | Returns zero on success, non-zero otherwise. */ | |
401 | virtual int disable_btrace (btrace_target_info *tinfo); | |
402 | ||
403 | /* Read branch trace data into buffer. | |
404 | Return 0 on success; print an error message into BUFFER and return -1, | |
405 | otherwise. */ | |
406 | virtual int read_btrace (btrace_target_info *tinfo, buffer *buf, | |
407 | enum btrace_read_type type); | |
408 | ||
409 | /* Read the branch trace configuration into BUFFER. | |
410 | Return 0 on success; print an error message into BUFFER and return -1 | |
411 | otherwise. */ | |
412 | virtual int read_btrace_conf (const btrace_target_info *tinfo, | |
413 | buffer *buf); | |
2526e0cd TBA |
414 | |
415 | /* Return true if target supports range stepping. */ | |
416 | virtual bool supports_range_stepping (); | |
8247b823 TBA |
417 | |
418 | /* Return true if the pid_to_exec_file op is supported. */ | |
419 | virtual bool supports_pid_to_exec_file (); | |
420 | ||
421 | /* Return the full absolute name of the executable file that was | |
422 | run to create the process PID. If the executable file cannot | |
423 | be determined, NULL is returned. Otherwise, a pointer to a | |
424 | character string containing the pathname is returned. This | |
425 | string should be copied into a buffer by the client if the string | |
426 | will not be immediately used, or if it must persist. */ | |
04977957 | 427 | virtual const char *pid_to_exec_file (int pid); |
c9b7b804 TBA |
428 | |
429 | /* Return true if any of the multifs ops is supported. */ | |
430 | virtual bool supports_multifs (); | |
431 | ||
432 | /* Multiple-filesystem-aware open. Like open(2), but operating in | |
433 | the filesystem as it appears to process PID. Systems where all | |
434 | processes share a common filesystem should not override this. | |
435 | The default behavior is to use open(2). */ | |
436 | virtual int multifs_open (int pid, const char *filename, | |
437 | int flags, mode_t mode); | |
438 | ||
439 | /* Multiple-filesystem-aware unlink. Like unlink(2), but operates | |
440 | in the filesystem as it appears to process PID. Systems where | |
441 | all processes share a common filesystem should not override this. | |
442 | The default behavior is to use unlink(2). */ | |
443 | virtual int multifs_unlink (int pid, const char *filename); | |
444 | ||
445 | /* Multiple-filesystem-aware readlink. Like readlink(2), but | |
446 | operating in the filesystem as it appears to process PID. | |
447 | Systems where all processes share a common filesystem should | |
448 | not override this. The default behavior is to use readlink(2). */ | |
449 | virtual ssize_t multifs_readlink (int pid, const char *filename, | |
450 | char *buf, size_t bufsiz); | |
d367006f TBA |
451 | |
452 | /* Return the breakpoint kind for this target based on PC. The | |
453 | PCPTR is adjusted to the real memory location in case a flag | |
454 | (e.g., the Thumb bit on ARM) was present in the PC. */ | |
455 | virtual int breakpoint_kind_from_pc (CORE_ADDR *pcptr); | |
456 | ||
457 | /* Return the software breakpoint from KIND. KIND can have target | |
458 | specific meaning like the Z0 kind parameter. | |
459 | SIZE is set to the software breakpoint's length in memory. */ | |
460 | virtual const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) = 0; | |
461 | ||
462 | /* Return the breakpoint kind for this target based on the current | |
463 | processor state (e.g. the current instruction mode on ARM) and the | |
464 | PC. The PCPTR is adjusted to the real memory location in case a | |
465 | flag (e.g., the Thumb bit on ARM) is present in the PC. */ | |
466 | virtual int breakpoint_kind_from_current_state (CORE_ADDR *pcptr); | |
7f63b89b TBA |
467 | |
468 | /* Return the thread's name, or NULL if the target is unable to | |
469 | determine it. The returned value must not be freed by the | |
470 | caller. */ | |
471 | virtual const char *thread_name (ptid_t thread); | |
472 | ||
473 | /* Thread ID to (numeric) thread handle: Return true on success and | |
474 | false for failure. Return pointer to thread handle via HANDLE | |
475 | and the handle's length via HANDLE_LEN. */ | |
476 | virtual bool thread_handle (ptid_t ptid, gdb_byte **handle, | |
477 | int *handle_len); | |
5303a34f | 478 | |
7b961964 SM |
479 | /* If THREAD is a fork child that was not reported to GDB, return its parent |
480 | else nullptr. */ | |
481 | virtual thread_info *thread_pending_parent (thread_info *thread); | |
482 | ||
df5ad102 SM |
483 | /* If THREAD is the parent of a fork child that was not reported to GDB, |
484 | return this child, else nullptr. */ | |
485 | virtual thread_info *thread_pending_child (thread_info *thread); | |
486 | ||
5303a34f TBA |
487 | /* Returns true if the target can software single step. */ |
488 | virtual bool supports_software_single_step (); | |
bc8d3ae4 TBA |
489 | |
490 | /* Return true if the target supports catch syscall. */ | |
491 | virtual bool supports_catch_syscall (); | |
d633e831 TBA |
492 | |
493 | /* Return tdesc index for IPA. */ | |
494 | virtual int get_ipa_tdesc_idx (); | |
546b77fe LM |
495 | |
496 | /* Returns true if the target supports memory tagging facilities. */ | |
497 | virtual bool supports_memory_tagging (); | |
498 | ||
499 | /* Return the allocated memory tags of type TYPE associated with | |
500 | [ADDRESS, ADDRESS + LEN) in TAGS. | |
501 | ||
502 | Returns true if successful and false otherwise. */ | |
503 | virtual bool fetch_memtags (CORE_ADDR address, size_t len, | |
504 | gdb::byte_vector &tags, int type); | |
505 | ||
506 | /* Write the allocation tags of type TYPE contained in TAGS to the | |
507 | memory range [ADDRESS, ADDRESS + LEN). | |
508 | ||
509 | Returns true if successful and false otherwise. */ | |
510 | virtual bool store_memtags (CORE_ADDR address, size_t len, | |
511 | const gdb::byte_vector &tags, int type); | |
ce3a066d DJ |
512 | }; |
513 | ||
5b6d1e4f | 514 | extern process_stratum_target *the_target; |
ce3a066d | 515 | |
5b6d1e4f | 516 | void set_target_ops (process_stratum_target *); |
ce3a066d | 517 | |
15295543 | 518 | #define target_create_inferior(program, program_args) \ |
52405d85 | 519 | the_target->create_inferior (program, program_args) |
ce3a066d | 520 | |
ece66d65 | 521 | #define target_post_create_inferior() \ |
52405d85 | 522 | the_target->post_create_inferior () |
c06cbd92 | 523 | |
ce3a066d | 524 | #define myattach(pid) \ |
52405d85 | 525 | the_target->attach (pid) |
ce3a066d | 526 | |
a780ef4f | 527 | int kill_inferior (process_info *proc); |
ce3a066d | 528 | |
89245bc0 | 529 | #define target_supports_fork_events() \ |
52405d85 | 530 | the_target->supports_fork_events () |
89245bc0 DB |
531 | |
532 | #define target_supports_vfork_events() \ | |
52405d85 | 533 | the_target->supports_vfork_events () |
89245bc0 | 534 | |
94585166 | 535 | #define target_supports_exec_events() \ |
52405d85 | 536 | the_target->supports_exec_events () |
94585166 | 537 | |
546b77fe LM |
538 | #define target_supports_memory_tagging() \ |
539 | the_target->supports_memory_tagging () | |
540 | ||
452003ef | 541 | #define target_handle_new_gdb_connection() \ |
52405d85 | 542 | the_target->handle_new_gdb_connection () |
de0d863e | 543 | |
ef2ddb33 | 544 | #define detach_inferior(proc) \ |
52405d85 | 545 | the_target->detach (proc) |
6ad8ae5c | 546 | |
ce3a066d | 547 | #define mythread_alive(pid) \ |
52405d85 | 548 | the_target->thread_alive (pid) |
ce3a066d | 549 | |
442ea881 | 550 | #define fetch_inferior_registers(regcache, regno) \ |
52405d85 | 551 | the_target->fetch_registers (regcache, regno) |
ce3a066d | 552 | |
442ea881 | 553 | #define store_inferior_registers(regcache, regno) \ |
52405d85 | 554 | the_target->store_registers (regcache, regno) |
ce3a066d | 555 | |
d105de22 | 556 | #define join_inferior(pid) \ |
52405d85 | 557 | the_target->join (pid) |
444d6139 | 558 | |
bd99dc85 | 559 | #define target_supports_non_stop() \ |
52405d85 | 560 | the_target->supports_non_stop () |
bd99dc85 PA |
561 | |
562 | #define target_async(enable) \ | |
52405d85 | 563 | the_target->async (enable) |
bd99dc85 | 564 | |
b315b67d SM |
565 | #define target_process_qsupported(features) \ |
566 | the_target->process_qsupported (features) | |
1570b33e | 567 | |
82075af2 | 568 | #define target_supports_catch_syscall() \ |
52405d85 | 569 | the_target->supports_catch_syscall () |
82075af2 | 570 | |
ae91f625 | 571 | #define target_get_ipa_tdesc_idx() \ |
52405d85 | 572 | the_target->get_ipa_tdesc_idx () |
ae91f625 | 573 | |
219f2f23 | 574 | #define target_supports_tracepoints() \ |
52405d85 | 575 | the_target->supports_tracepoints () |
219f2f23 | 576 | |
fa593d66 | 577 | #define target_supports_fast_tracepoints() \ |
52405d85 | 578 | the_target->supports_fast_tracepoints () |
fa593d66 | 579 | |
405f8e94 | 580 | #define target_get_min_fast_tracepoint_insn_len() \ |
52405d85 | 581 | the_target->get_min_fast_tracepoint_insn_len () |
405f8e94 | 582 | |
68119632 | 583 | #define target_thread_stopped(thread) \ |
52405d85 | 584 | the_target->thread_stopped (thread) |
8336d594 | 585 | |
29e8dc09 | 586 | #define target_pause_all(freeze) \ |
52405d85 | 587 | the_target->pause_all (freeze) |
7984d532 | 588 | |
29e8dc09 | 589 | #define target_unpause_all(unfreeze) \ |
52405d85 | 590 | the_target->unpause_all (unfreeze) |
7984d532 | 591 | |
5c9eb2f2 | 592 | #define target_stabilize_threads() \ |
52405d85 | 593 | the_target->stabilize_threads () |
fa593d66 | 594 | |
c23c9391 TBA |
595 | #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ |
596 | collector, lockaddr, \ | |
597 | orig_size, \ | |
598 | jump_entry, \ | |
599 | trampoline, trampoline_size, \ | |
600 | jjump_pad_insn, \ | |
601 | jjump_pad_insn_size, \ | |
602 | adjusted_insn_addr, \ | |
603 | adjusted_insn_addr_end, \ | |
604 | err) \ | |
52405d85 TBA |
605 | the_target->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ |
606 | collector,lockaddr, \ | |
607 | orig_size, jump_entry, \ | |
608 | trampoline, \ | |
609 | trampoline_size, \ | |
610 | jjump_pad_insn, \ | |
611 | jjump_pad_insn_size, \ | |
612 | adjusted_insn_addr, \ | |
613 | adjusted_insn_addr_end, \ | |
614 | err) | |
fa593d66 | 615 | |
6a271cae | 616 | #define target_emit_ops() \ |
52405d85 | 617 | the_target->emit_ops () |
6a271cae | 618 | |
03583c20 | 619 | #define target_supports_disable_randomization() \ |
52405d85 | 620 | the_target->supports_disable_randomization () |
03583c20 | 621 | |
d1feda86 | 622 | #define target_supports_agent() \ |
52405d85 | 623 | the_target->supports_agent () |
d1feda86 | 624 | |
b1223e78 | 625 | static inline struct btrace_target_info * |
696c0d5e | 626 | target_enable_btrace (thread_info *tp, const struct btrace_config *conf) |
b1223e78 | 627 | { |
696c0d5e | 628 | return the_target->enable_btrace (tp, conf); |
b1223e78 MM |
629 | } |
630 | ||
631 | static inline int | |
632 | target_disable_btrace (struct btrace_target_info *tinfo) | |
633 | { | |
52405d85 | 634 | return the_target->disable_btrace (tinfo); |
b1223e78 | 635 | } |
9accd112 | 636 | |
b1223e78 MM |
637 | static inline int |
638 | target_read_btrace (struct btrace_target_info *tinfo, | |
639 | struct buffer *buffer, | |
640 | enum btrace_read_type type) | |
641 | { | |
52405d85 | 642 | return the_target->read_btrace (tinfo, buffer, type); |
b1223e78 MM |
643 | } |
644 | ||
645 | static inline int | |
646 | target_read_btrace_conf (struct btrace_target_info *tinfo, | |
647 | struct buffer *buffer) | |
648 | { | |
52405d85 | 649 | return the_target->read_btrace_conf (tinfo, buffer); |
b1223e78 | 650 | } |
f4abbc16 | 651 | |
c2d6af84 | 652 | #define target_supports_range_stepping() \ |
52405d85 | 653 | the_target->supports_range_stepping () |
c2d6af84 | 654 | |
1ec68e26 | 655 | #define target_supports_stopped_by_sw_breakpoint() \ |
52405d85 | 656 | the_target->supports_stopped_by_sw_breakpoint () |
1ec68e26 PA |
657 | |
658 | #define target_stopped_by_sw_breakpoint() \ | |
52405d85 | 659 | the_target->stopped_by_sw_breakpoint () |
1ec68e26 PA |
660 | |
661 | #define target_supports_stopped_by_hw_breakpoint() \ | |
52405d85 | 662 | the_target->supports_stopped_by_hw_breakpoint () |
1ec68e26 | 663 | |
70b90b91 | 664 | #define target_supports_hardware_single_step() \ |
52405d85 | 665 | the_target->supports_hardware_single_step () |
45614f15 | 666 | |
1ec68e26 | 667 | #define target_stopped_by_hw_breakpoint() \ |
52405d85 | 668 | the_target->stopped_by_hw_breakpoint () |
1ec68e26 | 669 | |
2e6ee069 | 670 | #define target_breakpoint_kind_from_pc(pcptr) \ |
52405d85 | 671 | the_target->breakpoint_kind_from_pc (pcptr) |
2e6ee069 | 672 | |
769ef81f | 673 | #define target_breakpoint_kind_from_current_state(pcptr) \ |
52405d85 | 674 | the_target->breakpoint_kind_from_current_state (pcptr) |
769ef81f | 675 | |
7d00775e | 676 | #define target_supports_software_single_step() \ |
52405d85 | 677 | the_target->supports_software_single_step () |
7d00775e | 678 | |
b60cea74 TT |
679 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, |
680 | target_wait_flags options, int connected_wait); | |
0d62e5e8 | 681 | |
3e10640f | 682 | #define target_core_of_thread(ptid) \ |
52405d85 | 683 | the_target->core_of_thread (ptid) |
3e10640f | 684 | |
79efa585 | 685 | #define target_thread_name(ptid) \ |
52405d85 | 686 | the_target->thread_name (ptid) |
79efa585 | 687 | |
f6327dcb | 688 | #define target_thread_handle(ptid, handle, handle_len) \ |
52405d85 | 689 | the_target->thread_handle (ptid, handle, handle_len) |
f6327dcb | 690 | |
7b961964 SM |
691 | static inline thread_info * |
692 | target_thread_pending_parent (thread_info *thread) | |
693 | { | |
694 | return the_target->thread_pending_parent (thread); | |
695 | } | |
696 | ||
df5ad102 SM |
697 | static inline thread_info * |
698 | target_thread_pending_child (thread_info *thread) | |
699 | { | |
700 | return the_target->thread_pending_child (thread); | |
701 | } | |
702 | ||
f450004a | 703 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
ce3a066d | 704 | |
7f8acede PA |
705 | /* Set GDBserver's current thread to the thread the client requested |
706 | via Hg. Also switches the current process to the requested | |
707 | process. If the requested thread is not found in the thread list, | |
708 | then the current thread is set to NULL. Likewise, if the requested | |
709 | process is not found in the process list, then the current process | |
710 | is set to NULL. Returns true if the requested thread was found, | |
711 | false otherwise. */ | |
712 | ||
713 | bool set_desired_thread (); | |
714 | ||
715 | /* Set GDBserver's current process to the process the client requested | |
716 | via Hg. The current thread is set to NULL. */ | |
717 | ||
718 | bool set_desired_process (); | |
ce3a066d | 719 | |
61d7f128 | 720 | std::string target_pid_to_str (ptid_t); |
95954743 | 721 | |
1a5c2598 | 722 | #endif /* GDBSERVER_TARGET_H */ |