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ce3a066d | 1 | /* Target operations for the remote server for GDB. |
1d506c26 | 2 | Copyright (C) 2002-2024 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 | |
ef0f16cc | 24 | #include <sys/types.h> |
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; |
6a6bbd9d | 36 | struct process_info; |
6a271cae | 37 | |
2bd7c093 PA |
38 | /* This structure describes how to resume a particular thread (or all |
39 | threads) based on the client's request. If thread is -1, then this | |
40 | entry applies to all threads. These are passed around as an | |
41 | array. */ | |
64386c31 DJ |
42 | |
43 | struct thread_resume | |
44 | { | |
95954743 | 45 | ptid_t thread; |
64386c31 | 46 | |
bd99dc85 PA |
47 | /* How to "resume". */ |
48 | enum resume_kind kind; | |
64386c31 | 49 | |
bd99dc85 PA |
50 | /* If non-zero, send this signal when we resume, or to stop the |
51 | thread. If stopping a thread, and this is 0, the target should | |
52 | stop the thread however it best decides to (e.g., SIGSTOP on | |
30d50328 | 53 | linux; SuspendThread on win32). This is a host signal value (not |
2ea28649 | 54 | enum gdb_signal). */ |
64386c31 | 55 | int sig; |
c2d6af84 PA |
56 | |
57 | /* Range to single step within. Valid only iff KIND is resume_step. | |
58 | ||
59 | Single-step once, and then continuing stepping as long as the | |
60 | thread stops in this range. (If the range is empty | |
61 | [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step | |
62 | request.) */ | |
63 | CORE_ADDR step_range_start; /* Inclusive */ | |
64 | CORE_ADDR step_range_end; /* Exclusive */ | |
64386c31 DJ |
65 | }; |
66 | ||
5b6d1e4f PA |
67 | /* GDBserver doesn't have a concept of strata like GDB, but we call |
68 | its target vector "process_stratum" anyway for the benefit of | |
69 | shared code. */ | |
5ef9273d | 70 | |
52405d85 | 71 | class process_stratum_target |
5ef9273d TBA |
72 | { |
73 | public: | |
74 | ||
52405d85 | 75 | virtual ~process_stratum_target () = default; |
15295543 TBA |
76 | |
77 | /* Start a new process. | |
78 | ||
79 | PROGRAM is a path to the program to execute. | |
80 | PROGRAM_ARGS is a standard NULL-terminated array of arguments, | |
81 | to be passed to the inferior as ``argv'' (along with PROGRAM). | |
82 | ||
83 | Returns the new PID on success, -1 on failure. Registers the new | |
84 | process with the process list. */ | |
85 | virtual int create_inferior (const char *program, | |
86 | const std::vector<char *> &program_args) = 0; | |
6dee9afb TBA |
87 | |
88 | /* Do additional setup after a new process is created, including | |
89 | exec-wrapper completion. */ | |
90 | virtual void post_create_inferior (); | |
ef03dad8 TBA |
91 | |
92 | /* Attach to a running process. | |
93 | ||
94 | PID is the process ID to attach to, specified by the user | |
95 | or a higher layer. | |
96 | ||
97 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
98 | error() otherwise. */ | |
99 | virtual int attach (unsigned long pid) = 0; | |
c6885a57 TBA |
100 | |
101 | /* Kill process PROC. Return -1 on failure, and 0 on success. */ | |
102 | virtual int kill (process_info *proc) = 0; | |
9061c9cf TBA |
103 | |
104 | /* Detach from process PROC. Return -1 on failure, and 0 on | |
105 | success. */ | |
106 | virtual int detach (process_info *proc) = 0; | |
8adb37b9 TBA |
107 | |
108 | /* The inferior process has died. Do what is right. */ | |
109 | virtual void mourn (process_info *proc) = 0; | |
95a49a39 TBA |
110 | |
111 | /* Wait for process PID to exit. */ | |
112 | virtual void join (int pid) = 0; | |
13d3d99b TBA |
113 | |
114 | /* Return true iff the thread with process ID PID is alive. */ | |
115 | virtual bool thread_alive (ptid_t pid) = 0; | |
0e4d7e35 TBA |
116 | |
117 | /* Resume the inferior process. */ | |
118 | virtual void resume (thread_resume *resume_info, size_t n) = 0; | |
6532e7e3 TBA |
119 | |
120 | /* Wait for the inferior process or thread to change state. Store | |
121 | status through argument pointer STATUS. | |
122 | ||
123 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
124 | wait for any thread of process pid to do something. Return ptid | |
125 | of child, or -1 in case of error; store status through argument | |
126 | pointer STATUS. OPTIONS is a bit set of options defined as | |
127 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
128 | no child stop to report, return is | |
129 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
130 | virtual ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
b60cea74 | 131 | target_wait_flags options) = 0; |
a5a4d4cd TBA |
132 | |
133 | /* Fetch registers from the inferior process. | |
134 | ||
135 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
136 | virtual void fetch_registers (regcache *regcache, int regno) = 0; | |
137 | ||
138 | /* Store registers to the inferior process. | |
139 | ||
140 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
141 | virtual void store_registers (regcache *regcache, int regno) = 0; | |
79b44087 | 142 | |
e2558df3 TBA |
143 | /* Read memory from the inferior process. This should generally be |
144 | called through read_inferior_memory, which handles breakpoint shadowing. | |
145 | ||
146 | Read LEN bytes at MEMADDR into a buffer at MYADDR. | |
147 | ||
148 | Returns 0 on success and errno on failure. */ | |
149 | virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
150 | int len) = 0; | |
151 | ||
152 | /* Write memory to the inferior process. This should generally be | |
153 | called through target_write_memory, which handles breakpoint shadowing. | |
154 | ||
155 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
156 | ||
157 | Returns 0 on success and errno on failure. */ | |
158 | virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
159 | int len) = 0; | |
2a31c7aa TBA |
160 | |
161 | /* Query GDB for the values of any symbols we're interested in. | |
162 | This function is called whenever we receive a "qSymbols::" | |
163 | query, which corresponds to every time more symbols (might) | |
164 | become available. */ | |
165 | virtual void look_up_symbols (); | |
eb497a2a TBA |
166 | |
167 | /* Send an interrupt request to the inferior process, | |
168 | however is appropriate. */ | |
169 | virtual void request_interrupt () = 0; | |
eac215cc TBA |
170 | |
171 | /* Return true if the read_auxv target op is supported. */ | |
172 | virtual bool supports_read_auxv (); | |
173 | ||
43e5fbd8 | 174 | /* Read auxiliary vector data from the process with pid PID. |
eac215cc TBA |
175 | |
176 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
43e5fbd8 | 177 | virtual int read_auxv (int pid, CORE_ADDR offset, unsigned char *myaddr, |
eac215cc | 178 | unsigned int len); |
a2b2297a TBA |
179 | |
180 | /* Returns true if GDB Z breakpoint type TYPE is supported, false | |
181 | otherwise. The type is coded as follows: | |
182 | '0' - software-breakpoint | |
183 | '1' - hardware-breakpoint | |
184 | '2' - write watchpoint | |
185 | '3' - read watchpoint | |
186 | '4' - access watchpoint | |
187 | */ | |
188 | virtual bool supports_z_point_type (char z_type); | |
7e0bde70 TBA |
189 | |
190 | /* Insert and remove a break or watchpoint. | |
191 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
192 | virtual int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
193 | int size, raw_breakpoint *bp); | |
194 | ||
195 | virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
196 | int size, raw_breakpoint *bp); | |
84320c4e TBA |
197 | |
198 | /* Returns true if the target stopped because it executed a software | |
199 | breakpoint instruction, false otherwise. */ | |
200 | virtual bool stopped_by_sw_breakpoint (); | |
201 | ||
202 | /* Returns true if the target knows whether a trap was caused by a | |
203 | SW breakpoint triggering. */ | |
204 | virtual bool supports_stopped_by_sw_breakpoint (); | |
93fe88b2 TBA |
205 | |
206 | /* Returns true if the target stopped for a hardware breakpoint. */ | |
207 | virtual bool stopped_by_hw_breakpoint (); | |
208 | ||
209 | /* Returns true if the target knows whether a trap was caused by a | |
210 | HW breakpoint triggering. */ | |
211 | virtual bool supports_stopped_by_hw_breakpoint (); | |
22aa6223 TBA |
212 | |
213 | /* Returns true if the target can do hardware single step. */ | |
214 | virtual bool supports_hardware_single_step (); | |
6eeb5c55 TBA |
215 | |
216 | /* Returns true if target was stopped due to a watchpoint hit, false | |
217 | otherwise. */ | |
218 | virtual bool stopped_by_watchpoint (); | |
219 | ||
220 | /* Returns the address associated with the watchpoint that hit, if any; | |
221 | returns 0 otherwise. */ | |
222 | virtual CORE_ADDR stopped_data_address (); | |
5203ae1e TBA |
223 | |
224 | /* Return true if the read_offsets target op is supported. */ | |
225 | virtual bool supports_read_offsets (); | |
226 | ||
227 | /* Reports the text, data offsets of the executable. This is | |
228 | needed for uclinux where the executable is relocated during load | |
229 | time. */ | |
230 | virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); | |
6e3fd7e9 TBA |
231 | |
232 | /* Return true if the get_tls_address target op is supported. */ | |
233 | virtual bool supports_get_tls_address (); | |
234 | ||
235 | /* Fetch the address associated with a specific thread local storage | |
236 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
237 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
238 | an error code. A return value of -1 means this system does not | |
239 | support the operation. */ | |
240 | virtual int get_tls_address (thread_info *thread, CORE_ADDR offset, | |
241 | CORE_ADDR load_module, CORE_ADDR *address); | |
ea06bbaa | 242 | |
2d0795ee TBA |
243 | /* Return true if the qxfer_osdata target op is supported. */ |
244 | virtual bool supports_qxfer_osdata (); | |
245 | ||
246 | /* Read/Write OS data using qXfer packets. */ | |
247 | virtual int qxfer_osdata (const char *annex, unsigned char *readbuf, | |
248 | unsigned const char *writebuf, | |
249 | CORE_ADDR offset, int len); | |
d7abedf7 TBA |
250 | |
251 | /* Return true if the qxfer_siginfo target op is supported. */ | |
252 | virtual bool supports_qxfer_siginfo (); | |
253 | ||
254 | /* Read/Write extra signal info. */ | |
255 | virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
256 | unsigned const char *writebuf, | |
257 | CORE_ADDR offset, int len); | |
0dc587d4 TBA |
258 | |
259 | /* Return true if non-stop mode is supported. */ | |
260 | virtual bool supports_non_stop (); | |
261 | ||
262 | /* Enables async target events. Returns the previous enable | |
263 | state. */ | |
264 | virtual bool async (bool enable); | |
265 | ||
266 | /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false) | |
267 | mode. Return 0 on success, -1 otherwise. */ | |
268 | virtual int start_non_stop (bool enable); | |
652aef77 TBA |
269 | |
270 | /* Returns true if the target supports multi-process debugging. */ | |
271 | virtual bool supports_multi_process (); | |
9690a72a TBA |
272 | |
273 | /* Returns true if fork events are supported. */ | |
274 | virtual bool supports_fork_events (); | |
275 | ||
276 | /* Returns true if vfork events are supported. */ | |
277 | virtual bool supports_vfork_events (); | |
278 | ||
65c459ab PA |
279 | /* Returns the set of supported thread options. */ |
280 | virtual gdb_thread_options supported_thread_options (); | |
281 | ||
9690a72a TBA |
282 | /* Returns true if exec events are supported. */ |
283 | virtual bool supports_exec_events (); | |
fb00dfce TBA |
284 | |
285 | /* Allows target to re-initialize connection-specific settings. */ | |
286 | virtual void handle_new_gdb_connection (); | |
55cf3021 TBA |
287 | |
288 | /* The target-specific routine to process monitor command. | |
289 | Returns 1 if handled, or 0 to perform default processing. */ | |
290 | virtual int handle_monitor_command (char *mon); | |
95a45fc1 TBA |
291 | |
292 | /* Returns the core given a thread, or -1 if not known. */ | |
293 | virtual int core_of_thread (ptid_t ptid); | |
9da41fda TBA |
294 | |
295 | /* Returns true if the read_loadmap target op is supported. */ | |
296 | virtual bool supports_read_loadmap (); | |
297 | ||
298 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
299 | virtual int read_loadmap (const char *annex, CORE_ADDR offset, | |
300 | unsigned char *myaddr, unsigned int len); | |
0df28b1b TBA |
301 | |
302 | /* Target specific qSupported support. FEATURES is an array of | |
b315b67d SM |
303 | features unsupported by the core of GDBserver. */ |
304 | virtual void process_qsupported | |
305 | (gdb::array_view<const char * const> features); | |
290732bf TBA |
306 | |
307 | /* Return true if the target supports tracepoints, false otherwise. */ | |
308 | virtual bool supports_tracepoints (); | |
770d8f6a TBA |
309 | |
310 | /* Read PC from REGCACHE. */ | |
311 | virtual CORE_ADDR read_pc (regcache *regcache); | |
312 | ||
313 | /* Write PC to REGCACHE. */ | |
314 | virtual void write_pc (regcache *regcache, CORE_ADDR pc); | |
68119632 TBA |
315 | |
316 | /* Return true if the thread_stopped op is supported. */ | |
317 | virtual bool supports_thread_stopped (); | |
318 | ||
319 | /* Return true if THREAD is known to be stopped now. */ | |
320 | virtual bool thread_stopped (thread_info *thread); | |
4e2e869c | 321 | |
ef980d65 PA |
322 | /* Return true if any thread is known to be resumed. */ |
323 | virtual bool any_resumed (); | |
324 | ||
4e2e869c TBA |
325 | /* Return true if the get_tib_address op is supported. */ |
326 | virtual bool supports_get_tib_address (); | |
327 | ||
328 | /* Read Thread Information Block address. */ | |
329 | virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); | |
29e8dc09 TBA |
330 | |
331 | /* Pause all threads. If FREEZE, arrange for any resume attempt to | |
332 | be ignored until an unpause_all call unfreezes threads again. | |
333 | There can be nested calls to pause_all, so a freeze counter | |
334 | should be maintained. */ | |
335 | virtual void pause_all (bool freeze); | |
336 | ||
337 | /* Unpause all threads. Threads that hadn't been resumed by the | |
338 | client should be left stopped. Basically a pause/unpause call | |
339 | pair should not end up resuming threads that were stopped before | |
340 | the pause call. */ | |
341 | virtual void unpause_all (bool unfreeze); | |
5c9eb2f2 TBA |
342 | |
343 | /* Stabilize all threads. That is, force them out of jump pads. */ | |
344 | virtual void stabilize_threads (); | |
c23c9391 TBA |
345 | |
346 | /* Return true if the install_fast_tracepoint_jump_pad op is | |
347 | supported. */ | |
348 | virtual bool supports_fast_tracepoints (); | |
349 | ||
350 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
351 | tracepoint internal object as used by the IPA agent. TPADDR is | |
352 | the address of tracepoint. COLLECTOR is address of the function | |
353 | the jump pad redirects to. LOCKADDR is the address of the jump | |
354 | pad lock object. ORIG_SIZE is the size in bytes of the | |
355 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
356 | jump pad entry, and on return holds the address past the end of | |
357 | the created jump pad. If a trampoline is created by the function, | |
358 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
359 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
360 | buffer containing a copy of the instruction at TPADDR. | |
361 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
362 | return the address range where the instruction at TPADDR was relocated | |
363 | to. If an error occurs, the ERR may be used to pass on an error | |
364 | message. */ | |
365 | virtual int install_fast_tracepoint_jump_pad | |
366 | (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, | |
367 | CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, | |
368 | CORE_ADDR *trampoline, ULONGEST *trampoline_size, | |
369 | unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, | |
370 | CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, | |
371 | char *err); | |
372 | ||
373 | /* Return the minimum length of an instruction that can be safely | |
374 | overwritten for use as a fast tracepoint. */ | |
375 | virtual int get_min_fast_tracepoint_insn_len (); | |
345dafad TBA |
376 | |
377 | /* Return the bytecode operations vector for the current inferior. | |
378 | Returns nullptr if bytecode compilation is not supported. */ | |
379 | virtual struct emit_ops *emit_ops (); | |
c756403b TBA |
380 | |
381 | /* Returns true if the target supports disabling randomization. */ | |
382 | virtual bool supports_disable_randomization (); | |
974387bb TBA |
383 | |
384 | /* Return true if the qxfer_libraries_svr4 op is supported. */ | |
385 | virtual bool supports_qxfer_libraries_svr4 (); | |
386 | ||
387 | /* Read solib info on SVR4 platforms. */ | |
388 | virtual int qxfer_libraries_svr4 (const char *annex, | |
389 | unsigned char *readbuf, | |
390 | unsigned const char *writebuf, | |
391 | CORE_ADDR offset, int len); | |
c0245cb9 TBA |
392 | |
393 | /* Return true if target supports debugging agent. */ | |
394 | virtual bool supports_agent (); | |
79597bdd | 395 | |
8263b346 TBA |
396 | /* Return true if target supports btrace. */ |
397 | virtual bool supports_btrace (); | |
398 | ||
696c0d5e | 399 | /* Enable branch tracing for TP based on CONF and allocate a branch trace |
79597bdd | 400 | target information struct for reading and for disabling branch trace. */ |
696c0d5e | 401 | virtual btrace_target_info *enable_btrace (thread_info *tp, |
79597bdd TBA |
402 | const btrace_config *conf); |
403 | ||
404 | /* Disable branch tracing. | |
405 | Returns zero on success, non-zero otherwise. */ | |
406 | virtual int disable_btrace (btrace_target_info *tinfo); | |
407 | ||
408 | /* Read branch trace data into buffer. | |
409 | Return 0 on success; print an error message into BUFFER and return -1, | |
410 | otherwise. */ | |
873a185b | 411 | virtual int read_btrace (btrace_target_info *tinfo, std::string *buf, |
79597bdd TBA |
412 | enum btrace_read_type type); |
413 | ||
414 | /* Read the branch trace configuration into BUFFER. | |
415 | Return 0 on success; print an error message into BUFFER and return -1 | |
416 | otherwise. */ | |
417 | virtual int read_btrace_conf (const btrace_target_info *tinfo, | |
873a185b | 418 | std::string *buf); |
2526e0cd TBA |
419 | |
420 | /* Return true if target supports range stepping. */ | |
421 | virtual bool supports_range_stepping (); | |
8247b823 TBA |
422 | |
423 | /* Return true if the pid_to_exec_file op is supported. */ | |
424 | virtual bool supports_pid_to_exec_file (); | |
425 | ||
426 | /* Return the full absolute name of the executable file that was | |
427 | run to create the process PID. If the executable file cannot | |
428 | be determined, NULL is returned. Otherwise, a pointer to a | |
429 | character string containing the pathname is returned. This | |
430 | string should be copied into a buffer by the client if the string | |
431 | will not be immediately used, or if it must persist. */ | |
04977957 | 432 | virtual const char *pid_to_exec_file (int pid); |
c9b7b804 TBA |
433 | |
434 | /* Return true if any of the multifs ops is supported. */ | |
435 | virtual bool supports_multifs (); | |
436 | ||
437 | /* Multiple-filesystem-aware open. Like open(2), but operating in | |
438 | the filesystem as it appears to process PID. Systems where all | |
439 | processes share a common filesystem should not override this. | |
440 | The default behavior is to use open(2). */ | |
441 | virtual int multifs_open (int pid, const char *filename, | |
442 | int flags, mode_t mode); | |
443 | ||
444 | /* Multiple-filesystem-aware unlink. Like unlink(2), but operates | |
445 | in the filesystem as it appears to process PID. Systems where | |
446 | all processes share a common filesystem should not override this. | |
447 | The default behavior is to use unlink(2). */ | |
448 | virtual int multifs_unlink (int pid, const char *filename); | |
449 | ||
450 | /* Multiple-filesystem-aware readlink. Like readlink(2), but | |
451 | operating in the filesystem as it appears to process PID. | |
452 | Systems where all processes share a common filesystem should | |
453 | not override this. The default behavior is to use readlink(2). */ | |
454 | virtual ssize_t multifs_readlink (int pid, const char *filename, | |
455 | char *buf, size_t bufsiz); | |
d367006f TBA |
456 | |
457 | /* Return the breakpoint kind for this target based on PC. The | |
458 | PCPTR is adjusted to the real memory location in case a flag | |
459 | (e.g., the Thumb bit on ARM) was present in the PC. */ | |
460 | virtual int breakpoint_kind_from_pc (CORE_ADDR *pcptr); | |
461 | ||
462 | /* Return the software breakpoint from KIND. KIND can have target | |
463 | specific meaning like the Z0 kind parameter. | |
464 | SIZE is set to the software breakpoint's length in memory. */ | |
465 | virtual const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) = 0; | |
466 | ||
467 | /* Return the breakpoint kind for this target based on the current | |
468 | processor state (e.g. the current instruction mode on ARM) and the | |
469 | PC. The PCPTR is adjusted to the real memory location in case a | |
470 | flag (e.g., the Thumb bit on ARM) is present in the PC. */ | |
471 | virtual int breakpoint_kind_from_current_state (CORE_ADDR *pcptr); | |
7f63b89b TBA |
472 | |
473 | /* Return the thread's name, or NULL if the target is unable to | |
474 | determine it. The returned value must not be freed by the | |
475 | caller. */ | |
476 | virtual const char *thread_name (ptid_t thread); | |
477 | ||
478 | /* Thread ID to (numeric) thread handle: Return true on success and | |
479 | false for failure. Return pointer to thread handle via HANDLE | |
480 | and the handle's length via HANDLE_LEN. */ | |
481 | virtual bool thread_handle (ptid_t ptid, gdb_byte **handle, | |
482 | int *handle_len); | |
5303a34f | 483 | |
faf44a31 PA |
484 | /* If THREAD is a fork/vfork/clone child that was not reported to |
485 | GDB, return its parent else nullptr. */ | |
7b961964 SM |
486 | virtual thread_info *thread_pending_parent (thread_info *thread); |
487 | ||
faf44a31 PA |
488 | /* If THREAD is the parent of a fork/vfork/clone child that was not |
489 | reported to GDB, return this child and fill in KIND with the | |
490 | matching waitkind, otherwise nullptr. */ | |
491 | virtual thread_info *thread_pending_child (thread_info *thread, | |
492 | target_waitkind *kind); | |
df5ad102 | 493 | |
5303a34f TBA |
494 | /* Returns true if the target can software single step. */ |
495 | virtual bool supports_software_single_step (); | |
bc8d3ae4 TBA |
496 | |
497 | /* Return true if the target supports catch syscall. */ | |
498 | virtual bool supports_catch_syscall (); | |
d633e831 TBA |
499 | |
500 | /* Return tdesc index for IPA. */ | |
501 | virtual int get_ipa_tdesc_idx (); | |
546b77fe LM |
502 | |
503 | /* Returns true if the target supports memory tagging facilities. */ | |
504 | virtual bool supports_memory_tagging (); | |
505 | ||
506 | /* Return the allocated memory tags of type TYPE associated with | |
507 | [ADDRESS, ADDRESS + LEN) in TAGS. | |
508 | ||
509 | Returns true if successful and false otherwise. */ | |
510 | virtual bool fetch_memtags (CORE_ADDR address, size_t len, | |
511 | gdb::byte_vector &tags, int type); | |
512 | ||
513 | /* Write the allocation tags of type TYPE contained in TAGS to the | |
514 | memory range [ADDRESS, ADDRESS + LEN). | |
515 | ||
516 | Returns true if successful and false otherwise. */ | |
517 | virtual bool store_memtags (CORE_ADDR address, size_t len, | |
518 | const gdb::byte_vector &tags, int type); | |
ce3a066d DJ |
519 | }; |
520 | ||
5b6d1e4f | 521 | extern process_stratum_target *the_target; |
ce3a066d | 522 | |
5b6d1e4f | 523 | void set_target_ops (process_stratum_target *); |
ce3a066d | 524 | |
15295543 | 525 | #define target_create_inferior(program, program_args) \ |
52405d85 | 526 | the_target->create_inferior (program, program_args) |
ce3a066d | 527 | |
ece66d65 | 528 | #define target_post_create_inferior() \ |
52405d85 | 529 | the_target->post_create_inferior () |
c06cbd92 | 530 | |
ce3a066d | 531 | #define myattach(pid) \ |
52405d85 | 532 | the_target->attach (pid) |
ce3a066d | 533 | |
a780ef4f | 534 | int kill_inferior (process_info *proc); |
ce3a066d | 535 | |
89245bc0 | 536 | #define target_supports_fork_events() \ |
52405d85 | 537 | the_target->supports_fork_events () |
89245bc0 DB |
538 | |
539 | #define target_supports_vfork_events() \ | |
52405d85 | 540 | the_target->supports_vfork_events () |
89245bc0 | 541 | |
65c459ab PA |
542 | #define target_supported_thread_options(options) \ |
543 | the_target->supported_thread_options (options) | |
544 | ||
94585166 | 545 | #define target_supports_exec_events() \ |
52405d85 | 546 | the_target->supports_exec_events () |
94585166 | 547 | |
546b77fe LM |
548 | #define target_supports_memory_tagging() \ |
549 | the_target->supports_memory_tagging () | |
550 | ||
452003ef | 551 | #define target_handle_new_gdb_connection() \ |
52405d85 | 552 | the_target->handle_new_gdb_connection () |
de0d863e | 553 | |
ef2ddb33 | 554 | #define detach_inferior(proc) \ |
52405d85 | 555 | the_target->detach (proc) |
6ad8ae5c | 556 | |
ce3a066d | 557 | #define mythread_alive(pid) \ |
52405d85 | 558 | the_target->thread_alive (pid) |
ce3a066d | 559 | |
442ea881 | 560 | #define fetch_inferior_registers(regcache, regno) \ |
52405d85 | 561 | the_target->fetch_registers (regcache, regno) |
ce3a066d | 562 | |
442ea881 | 563 | #define store_inferior_registers(regcache, regno) \ |
52405d85 | 564 | the_target->store_registers (regcache, regno) |
ce3a066d | 565 | |
d105de22 | 566 | #define join_inferior(pid) \ |
52405d85 | 567 | the_target->join (pid) |
444d6139 | 568 | |
bd99dc85 | 569 | #define target_supports_non_stop() \ |
52405d85 | 570 | the_target->supports_non_stop () |
bd99dc85 PA |
571 | |
572 | #define target_async(enable) \ | |
52405d85 | 573 | the_target->async (enable) |
bd99dc85 | 574 | |
b315b67d SM |
575 | #define target_process_qsupported(features) \ |
576 | the_target->process_qsupported (features) | |
1570b33e | 577 | |
82075af2 | 578 | #define target_supports_catch_syscall() \ |
52405d85 | 579 | the_target->supports_catch_syscall () |
82075af2 | 580 | |
ae91f625 | 581 | #define target_get_ipa_tdesc_idx() \ |
52405d85 | 582 | the_target->get_ipa_tdesc_idx () |
ae91f625 | 583 | |
219f2f23 | 584 | #define target_supports_tracepoints() \ |
52405d85 | 585 | the_target->supports_tracepoints () |
219f2f23 | 586 | |
fa593d66 | 587 | #define target_supports_fast_tracepoints() \ |
52405d85 | 588 | the_target->supports_fast_tracepoints () |
fa593d66 | 589 | |
405f8e94 | 590 | #define target_get_min_fast_tracepoint_insn_len() \ |
52405d85 | 591 | the_target->get_min_fast_tracepoint_insn_len () |
405f8e94 | 592 | |
68119632 | 593 | #define target_thread_stopped(thread) \ |
52405d85 | 594 | the_target->thread_stopped (thread) |
8336d594 | 595 | |
29e8dc09 | 596 | #define target_pause_all(freeze) \ |
52405d85 | 597 | the_target->pause_all (freeze) |
7984d532 | 598 | |
29e8dc09 | 599 | #define target_unpause_all(unfreeze) \ |
52405d85 | 600 | the_target->unpause_all (unfreeze) |
7984d532 | 601 | |
5c9eb2f2 | 602 | #define target_stabilize_threads() \ |
52405d85 | 603 | the_target->stabilize_threads () |
fa593d66 | 604 | |
c23c9391 TBA |
605 | #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ |
606 | collector, lockaddr, \ | |
607 | orig_size, \ | |
608 | jump_entry, \ | |
609 | trampoline, trampoline_size, \ | |
610 | jjump_pad_insn, \ | |
611 | jjump_pad_insn_size, \ | |
612 | adjusted_insn_addr, \ | |
613 | adjusted_insn_addr_end, \ | |
614 | err) \ | |
52405d85 TBA |
615 | the_target->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ |
616 | collector,lockaddr, \ | |
617 | orig_size, jump_entry, \ | |
618 | trampoline, \ | |
619 | trampoline_size, \ | |
620 | jjump_pad_insn, \ | |
621 | jjump_pad_insn_size, \ | |
622 | adjusted_insn_addr, \ | |
623 | adjusted_insn_addr_end, \ | |
624 | err) | |
fa593d66 | 625 | |
6a271cae | 626 | #define target_emit_ops() \ |
52405d85 | 627 | the_target->emit_ops () |
6a271cae | 628 | |
03583c20 | 629 | #define target_supports_disable_randomization() \ |
52405d85 | 630 | the_target->supports_disable_randomization () |
03583c20 | 631 | |
d1feda86 | 632 | #define target_supports_agent() \ |
52405d85 | 633 | the_target->supports_agent () |
d1feda86 | 634 | |
b1223e78 | 635 | static inline struct btrace_target_info * |
696c0d5e | 636 | target_enable_btrace (thread_info *tp, const struct btrace_config *conf) |
b1223e78 | 637 | { |
696c0d5e | 638 | return the_target->enable_btrace (tp, conf); |
b1223e78 MM |
639 | } |
640 | ||
641 | static inline int | |
642 | target_disable_btrace (struct btrace_target_info *tinfo) | |
643 | { | |
52405d85 | 644 | return the_target->disable_btrace (tinfo); |
b1223e78 | 645 | } |
9accd112 | 646 | |
b1223e78 MM |
647 | static inline int |
648 | target_read_btrace (struct btrace_target_info *tinfo, | |
873a185b | 649 | std::string *buffer, |
b1223e78 MM |
650 | enum btrace_read_type type) |
651 | { | |
52405d85 | 652 | return the_target->read_btrace (tinfo, buffer, type); |
b1223e78 MM |
653 | } |
654 | ||
655 | static inline int | |
656 | target_read_btrace_conf (struct btrace_target_info *tinfo, | |
873a185b | 657 | std::string *buffer) |
b1223e78 | 658 | { |
52405d85 | 659 | return the_target->read_btrace_conf (tinfo, buffer); |
b1223e78 | 660 | } |
f4abbc16 | 661 | |
c2d6af84 | 662 | #define target_supports_range_stepping() \ |
52405d85 | 663 | the_target->supports_range_stepping () |
c2d6af84 | 664 | |
1ec68e26 | 665 | #define target_supports_stopped_by_sw_breakpoint() \ |
52405d85 | 666 | the_target->supports_stopped_by_sw_breakpoint () |
1ec68e26 PA |
667 | |
668 | #define target_stopped_by_sw_breakpoint() \ | |
52405d85 | 669 | the_target->stopped_by_sw_breakpoint () |
1ec68e26 PA |
670 | |
671 | #define target_supports_stopped_by_hw_breakpoint() \ | |
52405d85 | 672 | the_target->supports_stopped_by_hw_breakpoint () |
1ec68e26 | 673 | |
70b90b91 | 674 | #define target_supports_hardware_single_step() \ |
52405d85 | 675 | the_target->supports_hardware_single_step () |
45614f15 | 676 | |
1ec68e26 | 677 | #define target_stopped_by_hw_breakpoint() \ |
52405d85 | 678 | the_target->stopped_by_hw_breakpoint () |
1ec68e26 | 679 | |
2e6ee069 | 680 | #define target_breakpoint_kind_from_pc(pcptr) \ |
52405d85 | 681 | the_target->breakpoint_kind_from_pc (pcptr) |
2e6ee069 | 682 | |
769ef81f | 683 | #define target_breakpoint_kind_from_current_state(pcptr) \ |
52405d85 | 684 | the_target->breakpoint_kind_from_current_state (pcptr) |
769ef81f | 685 | |
7d00775e | 686 | #define target_supports_software_single_step() \ |
52405d85 | 687 | the_target->supports_software_single_step () |
7d00775e | 688 | |
ef980d65 PA |
689 | #define target_any_resumed() \ |
690 | the_target->any_resumed () | |
691 | ||
b60cea74 TT |
692 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, |
693 | target_wait_flags options, int connected_wait); | |
0d62e5e8 | 694 | |
3e10640f | 695 | #define target_core_of_thread(ptid) \ |
52405d85 | 696 | the_target->core_of_thread (ptid) |
3e10640f | 697 | |
79efa585 | 698 | #define target_thread_name(ptid) \ |
52405d85 | 699 | the_target->thread_name (ptid) |
79efa585 | 700 | |
f6327dcb | 701 | #define target_thread_handle(ptid, handle, handle_len) \ |
52405d85 | 702 | the_target->thread_handle (ptid, handle, handle_len) |
f6327dcb | 703 | |
7b961964 SM |
704 | static inline thread_info * |
705 | target_thread_pending_parent (thread_info *thread) | |
706 | { | |
707 | return the_target->thread_pending_parent (thread); | |
708 | } | |
709 | ||
df5ad102 | 710 | static inline thread_info * |
faf44a31 | 711 | target_thread_pending_child (thread_info *thread, target_waitkind *kind) |
df5ad102 | 712 | { |
faf44a31 | 713 | return the_target->thread_pending_child (thread, kind); |
df5ad102 SM |
714 | } |
715 | ||
027d8f78 AB |
716 | /* Read LEN bytes from MEMADDR in the buffer MYADDR. Return 0 if the read |
717 | is successful, otherwise, return a non-zero error code. */ | |
718 | ||
f450004a | 719 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
ce3a066d | 720 | |
7f8acede PA |
721 | /* Set GDBserver's current thread to the thread the client requested |
722 | via Hg. Also switches the current process to the requested | |
723 | process. If the requested thread is not found in the thread list, | |
724 | then the current thread is set to NULL. Likewise, if the requested | |
725 | process is not found in the process list, then the current process | |
726 | is set to NULL. Returns true if the requested thread was found, | |
727 | false otherwise. */ | |
728 | ||
729 | bool set_desired_thread (); | |
730 | ||
731 | /* Set GDBserver's current process to the process the client requested | |
732 | via Hg. The current thread is set to NULL. */ | |
733 | ||
734 | bool set_desired_process (); | |
ce3a066d | 735 | |
61d7f128 | 736 | std::string target_pid_to_str (ptid_t); |
95954743 | 737 | |
1a5c2598 | 738 | #endif /* GDBSERVER_TARGET_H */ |