Commit | Line | Data |
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ce3a066d | 1 | /* Target operations for the remote server for GDB. |
b811d2c2 | 2 | Copyright (C) 2002-2020 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" |
268a13a5 | 30 | #include "gdbsupport/btrace-common.h" |
2090129c | 31 | #include <vector> |
3360c0bf | 32 | |
6a271cae | 33 | struct emit_ops; |
9accd112 | 34 | struct buffer; |
6a6bbd9d | 35 | struct process_info; |
6a271cae | 36 | |
2bd7c093 PA |
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. */ | |
64386c31 DJ |
41 | |
42 | struct thread_resume | |
43 | { | |
95954743 | 44 | ptid_t thread; |
64386c31 | 45 | |
bd99dc85 PA |
46 | /* How to "resume". */ |
47 | enum resume_kind kind; | |
64386c31 | 48 | |
bd99dc85 PA |
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 | |
30d50328 | 52 | linux; SuspendThread on win32). This is a host signal value (not |
2ea28649 | 53 | enum gdb_signal). */ |
64386c31 | 54 | int sig; |
c2d6af84 PA |
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 */ | |
64386c31 DJ |
64 | }; |
65 | ||
5ef9273d TBA |
66 | class process_target; |
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. */ | |
71 | struct process_stratum_target | |
ce3a066d | 72 | { |
2268b414 JK |
73 | /* Read solib info on SVR4 platforms. */ |
74 | int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf, | |
75 | unsigned const char *writebuf, | |
76 | CORE_ADDR offset, int len); | |
d1feda86 YQ |
77 | |
78 | /* Return true if target supports debugging agent. */ | |
79 | int (*supports_agent) (void); | |
9accd112 | 80 | |
f4abbc16 MM |
81 | /* Enable branch tracing for PTID based on CONF and allocate a branch trace |
82 | target information struct for reading and for disabling branch trace. */ | |
83 | struct btrace_target_info *(*enable_btrace) | |
84 | (ptid_t ptid, const struct btrace_config *conf); | |
9accd112 | 85 | |
969c39fb MM |
86 | /* Disable branch tracing. |
87 | Returns zero on success, non-zero otherwise. */ | |
9accd112 MM |
88 | int (*disable_btrace) (struct btrace_target_info *tinfo); |
89 | ||
add67df8 | 90 | /* Read branch trace data into buffer. |
969c39fb MM |
91 | Return 0 on success; print an error message into BUFFER and return -1, |
92 | otherwise. */ | |
add67df8 PA |
93 | int (*read_btrace) (struct btrace_target_info *, struct buffer *, |
94 | enum btrace_read_type type); | |
9accd112 | 95 | |
f4abbc16 MM |
96 | /* Read the branch trace configuration into BUFFER. |
97 | Return 0 on success; print an error message into BUFFER and return -1 | |
98 | otherwise. */ | |
99 | int (*read_btrace_conf) (const struct btrace_target_info *, struct buffer *); | |
100 | ||
c2d6af84 PA |
101 | /* Return true if target supports range stepping. */ |
102 | int (*supports_range_stepping) (void); | |
e57f1de3 GB |
103 | |
104 | /* Return the full absolute name of the executable file that was | |
105 | run to create the process PID. If the executable file cannot | |
106 | be determined, NULL is returned. Otherwise, a pointer to a | |
107 | character string containing the pathname is returned. This | |
108 | string should be copied into a buffer by the client if the string | |
109 | will not be immediately used, or if it must persist. */ | |
110 | char *(*pid_to_exec_file) (int pid); | |
14d2069a GB |
111 | |
112 | /* Multiple-filesystem-aware open. Like open(2), but operating in | |
113 | the filesystem as it appears to process PID. Systems where all | |
114 | processes share a common filesystem should set this to NULL. | |
115 | If NULL, the caller should fall back to open(2). */ | |
116 | int (*multifs_open) (int pid, const char *filename, | |
117 | int flags, mode_t mode); | |
118 | ||
119 | /* Multiple-filesystem-aware unlink. Like unlink(2), but operates | |
120 | in the filesystem as it appears to process PID. Systems where | |
121 | all processes share a common filesystem should set this to NULL. | |
122 | If NULL, the caller should fall back to unlink(2). */ | |
123 | int (*multifs_unlink) (int pid, const char *filename); | |
124 | ||
125 | /* Multiple-filesystem-aware readlink. Like readlink(2), but | |
126 | operating in the filesystem as it appears to process PID. | |
127 | Systems where all processes share a common filesystem should | |
128 | set this to NULL. If NULL, the caller should fall back to | |
129 | readlink(2). */ | |
130 | ssize_t (*multifs_readlink) (int pid, const char *filename, | |
131 | char *buf, size_t bufsiz); | |
dd373349 AT |
132 | |
133 | /* Return the breakpoint kind for this target based on PC. The PCPTR is | |
134 | adjusted to the real memory location in case a flag (e.g., the Thumb bit on | |
135 | ARM) was present in the PC. */ | |
136 | int (*breakpoint_kind_from_pc) (CORE_ADDR *pcptr); | |
137 | ||
138 | /* Return the software breakpoint from KIND. KIND can have target | |
139 | specific meaning like the Z0 kind parameter. | |
140 | SIZE is set to the software breakpoint's length in memory. */ | |
141 | const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size); | |
79efa585 SM |
142 | |
143 | /* Return the thread's name, or NULL if the target is unable to determine it. | |
144 | The returned value must not be freed by the caller. */ | |
145 | const char *(*thread_name) (ptid_t thread); | |
769ef81f AT |
146 | |
147 | /* Return the breakpoint kind for this target based on the current | |
148 | processor state (e.g. the current instruction mode on ARM) and the | |
149 | PC. The PCPTR is adjusted to the real memory location in case a flag | |
150 | (e.g., the Thumb bit on ARM) is present in the PC. */ | |
151 | int (*breakpoint_kind_from_current_state) (CORE_ADDR *pcptr); | |
7d00775e AT |
152 | |
153 | /* Returns true if the target can software single step. */ | |
154 | int (*supports_software_single_step) (void); | |
82075af2 JS |
155 | |
156 | /* Return 1 if the target supports catch syscall, 0 (or leave the | |
157 | callback NULL) otherwise. */ | |
158 | int (*supports_catch_syscall) (void); | |
ae91f625 MK |
159 | |
160 | /* Return tdesc index for IPA. */ | |
161 | int (*get_ipa_tdesc_idx) (void); | |
f6327dcb KB |
162 | |
163 | /* Thread ID to (numeric) thread handle: Return true on success and | |
164 | false for failure. Return pointer to thread handle via HANDLE | |
165 | and the handle's length via HANDLE_LEN. */ | |
166 | bool (*thread_handle) (ptid_t ptid, gdb_byte **handle, int *handle_len); | |
5ef9273d TBA |
167 | |
168 | /* The object that will gradually replace this struct. */ | |
169 | process_target *pt; | |
170 | }; | |
171 | ||
172 | class process_target | |
173 | { | |
174 | public: | |
175 | ||
176 | virtual ~process_target () = default; | |
15295543 TBA |
177 | |
178 | /* Start a new process. | |
179 | ||
180 | PROGRAM is a path to the program to execute. | |
181 | PROGRAM_ARGS is a standard NULL-terminated array of arguments, | |
182 | to be passed to the inferior as ``argv'' (along with PROGRAM). | |
183 | ||
184 | Returns the new PID on success, -1 on failure. Registers the new | |
185 | process with the process list. */ | |
186 | virtual int create_inferior (const char *program, | |
187 | const std::vector<char *> &program_args) = 0; | |
6dee9afb TBA |
188 | |
189 | /* Do additional setup after a new process is created, including | |
190 | exec-wrapper completion. */ | |
191 | virtual void post_create_inferior (); | |
ef03dad8 TBA |
192 | |
193 | /* Attach to a running process. | |
194 | ||
195 | PID is the process ID to attach to, specified by the user | |
196 | or a higher layer. | |
197 | ||
198 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
199 | error() otherwise. */ | |
200 | virtual int attach (unsigned long pid) = 0; | |
c6885a57 TBA |
201 | |
202 | /* Kill process PROC. Return -1 on failure, and 0 on success. */ | |
203 | virtual int kill (process_info *proc) = 0; | |
9061c9cf TBA |
204 | |
205 | /* Detach from process PROC. Return -1 on failure, and 0 on | |
206 | success. */ | |
207 | virtual int detach (process_info *proc) = 0; | |
8adb37b9 TBA |
208 | |
209 | /* The inferior process has died. Do what is right. */ | |
210 | virtual void mourn (process_info *proc) = 0; | |
95a49a39 TBA |
211 | |
212 | /* Wait for process PID to exit. */ | |
213 | virtual void join (int pid) = 0; | |
13d3d99b TBA |
214 | |
215 | /* Return true iff the thread with process ID PID is alive. */ | |
216 | virtual bool thread_alive (ptid_t pid) = 0; | |
0e4d7e35 TBA |
217 | |
218 | /* Resume the inferior process. */ | |
219 | virtual void resume (thread_resume *resume_info, size_t n) = 0; | |
6532e7e3 TBA |
220 | |
221 | /* Wait for the inferior process or thread to change state. Store | |
222 | status through argument pointer STATUS. | |
223 | ||
224 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
225 | wait for any thread of process pid to do something. Return ptid | |
226 | of child, or -1 in case of error; store status through argument | |
227 | pointer STATUS. OPTIONS is a bit set of options defined as | |
228 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
229 | no child stop to report, return is | |
230 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
231 | virtual ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
232 | int options) = 0; | |
a5a4d4cd TBA |
233 | |
234 | /* Fetch registers from the inferior process. | |
235 | ||
236 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
237 | virtual void fetch_registers (regcache *regcache, int regno) = 0; | |
238 | ||
239 | /* Store registers to the inferior process. | |
240 | ||
241 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
242 | virtual void store_registers (regcache *regcache, int regno) = 0; | |
79b44087 TBA |
243 | |
244 | /* Prepare to read or write memory from the inferior process. | |
245 | Targets use this to do what is necessary to get the state of the | |
246 | inferior such that it is possible to access memory. | |
247 | ||
248 | This should generally only be called from client facing routines, | |
249 | such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint | |
250 | insertion routine. | |
251 | ||
252 | Like `read_memory' and `write_memory' below, returns 0 on success | |
253 | and errno on failure. */ | |
254 | virtual int prepare_to_access_memory (); | |
255 | ||
256 | /* Undo the effects of prepare_to_access_memory. */ | |
257 | virtual void done_accessing_memory (); | |
e2558df3 TBA |
258 | |
259 | /* Read memory from the inferior process. This should generally be | |
260 | called through read_inferior_memory, which handles breakpoint shadowing. | |
261 | ||
262 | Read LEN bytes at MEMADDR into a buffer at MYADDR. | |
263 | ||
264 | Returns 0 on success and errno on failure. */ | |
265 | virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
266 | int len) = 0; | |
267 | ||
268 | /* Write memory to the inferior process. This should generally be | |
269 | called through target_write_memory, which handles breakpoint shadowing. | |
270 | ||
271 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
272 | ||
273 | Returns 0 on success and errno on failure. */ | |
274 | virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
275 | int len) = 0; | |
2a31c7aa TBA |
276 | |
277 | /* Query GDB for the values of any symbols we're interested in. | |
278 | This function is called whenever we receive a "qSymbols::" | |
279 | query, which corresponds to every time more symbols (might) | |
280 | become available. */ | |
281 | virtual void look_up_symbols (); | |
eb497a2a TBA |
282 | |
283 | /* Send an interrupt request to the inferior process, | |
284 | however is appropriate. */ | |
285 | virtual void request_interrupt () = 0; | |
eac215cc TBA |
286 | |
287 | /* Return true if the read_auxv target op is supported. */ | |
288 | virtual bool supports_read_auxv (); | |
289 | ||
290 | /* Read auxiliary vector data from the inferior process. | |
291 | ||
292 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
293 | virtual int read_auxv (CORE_ADDR offset, unsigned char *myaddr, | |
294 | unsigned int len); | |
a2b2297a TBA |
295 | |
296 | /* Returns true if GDB Z breakpoint type TYPE is supported, false | |
297 | otherwise. The type is coded as follows: | |
298 | '0' - software-breakpoint | |
299 | '1' - hardware-breakpoint | |
300 | '2' - write watchpoint | |
301 | '3' - read watchpoint | |
302 | '4' - access watchpoint | |
303 | */ | |
304 | virtual bool supports_z_point_type (char z_type); | |
7e0bde70 TBA |
305 | |
306 | /* Insert and remove a break or watchpoint. | |
307 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
308 | virtual int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
309 | int size, raw_breakpoint *bp); | |
310 | ||
311 | virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
312 | int size, raw_breakpoint *bp); | |
84320c4e TBA |
313 | |
314 | /* Returns true if the target stopped because it executed a software | |
315 | breakpoint instruction, false otherwise. */ | |
316 | virtual bool stopped_by_sw_breakpoint (); | |
317 | ||
318 | /* Returns true if the target knows whether a trap was caused by a | |
319 | SW breakpoint triggering. */ | |
320 | virtual bool supports_stopped_by_sw_breakpoint (); | |
93fe88b2 TBA |
321 | |
322 | /* Returns true if the target stopped for a hardware breakpoint. */ | |
323 | virtual bool stopped_by_hw_breakpoint (); | |
324 | ||
325 | /* Returns true if the target knows whether a trap was caused by a | |
326 | HW breakpoint triggering. */ | |
327 | virtual bool supports_stopped_by_hw_breakpoint (); | |
22aa6223 TBA |
328 | |
329 | /* Returns true if the target can do hardware single step. */ | |
330 | virtual bool supports_hardware_single_step (); | |
6eeb5c55 TBA |
331 | |
332 | /* Returns true if target was stopped due to a watchpoint hit, false | |
333 | otherwise. */ | |
334 | virtual bool stopped_by_watchpoint (); | |
335 | ||
336 | /* Returns the address associated with the watchpoint that hit, if any; | |
337 | returns 0 otherwise. */ | |
338 | virtual CORE_ADDR stopped_data_address (); | |
5203ae1e TBA |
339 | |
340 | /* Return true if the read_offsets target op is supported. */ | |
341 | virtual bool supports_read_offsets (); | |
342 | ||
343 | /* Reports the text, data offsets of the executable. This is | |
344 | needed for uclinux where the executable is relocated during load | |
345 | time. */ | |
346 | virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); | |
6e3fd7e9 TBA |
347 | |
348 | /* Return true if the get_tls_address target op is supported. */ | |
349 | virtual bool supports_get_tls_address (); | |
350 | ||
351 | /* Fetch the address associated with a specific thread local storage | |
352 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
353 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
354 | an error code. A return value of -1 means this system does not | |
355 | support the operation. */ | |
356 | virtual int get_tls_address (thread_info *thread, CORE_ADDR offset, | |
357 | CORE_ADDR load_module, CORE_ADDR *address); | |
ea06bbaa TBA |
358 | |
359 | /* Fill BUF with an hostio error packet representing the last hostio | |
360 | error. */ | |
361 | virtual void hostio_last_error (char *buf); | |
2d0795ee TBA |
362 | |
363 | /* Return true if the qxfer_osdata target op is supported. */ | |
364 | virtual bool supports_qxfer_osdata (); | |
365 | ||
366 | /* Read/Write OS data using qXfer packets. */ | |
367 | virtual int qxfer_osdata (const char *annex, unsigned char *readbuf, | |
368 | unsigned const char *writebuf, | |
369 | CORE_ADDR offset, int len); | |
d7abedf7 TBA |
370 | |
371 | /* Return true if the qxfer_siginfo target op is supported. */ | |
372 | virtual bool supports_qxfer_siginfo (); | |
373 | ||
374 | /* Read/Write extra signal info. */ | |
375 | virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
376 | unsigned const char *writebuf, | |
377 | CORE_ADDR offset, int len); | |
0dc587d4 TBA |
378 | |
379 | /* Return true if non-stop mode is supported. */ | |
380 | virtual bool supports_non_stop (); | |
381 | ||
382 | /* Enables async target events. Returns the previous enable | |
383 | state. */ | |
384 | virtual bool async (bool enable); | |
385 | ||
386 | /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false) | |
387 | mode. Return 0 on success, -1 otherwise. */ | |
388 | virtual int start_non_stop (bool enable); | |
652aef77 TBA |
389 | |
390 | /* Returns true if the target supports multi-process debugging. */ | |
391 | virtual bool supports_multi_process (); | |
9690a72a TBA |
392 | |
393 | /* Returns true if fork events are supported. */ | |
394 | virtual bool supports_fork_events (); | |
395 | ||
396 | /* Returns true if vfork events are supported. */ | |
397 | virtual bool supports_vfork_events (); | |
398 | ||
399 | /* Returns true if exec events are supported. */ | |
400 | virtual bool supports_exec_events (); | |
fb00dfce TBA |
401 | |
402 | /* Allows target to re-initialize connection-specific settings. */ | |
403 | virtual void handle_new_gdb_connection (); | |
55cf3021 TBA |
404 | |
405 | /* The target-specific routine to process monitor command. | |
406 | Returns 1 if handled, or 0 to perform default processing. */ | |
407 | virtual int handle_monitor_command (char *mon); | |
95a45fc1 TBA |
408 | |
409 | /* Returns the core given a thread, or -1 if not known. */ | |
410 | virtual int core_of_thread (ptid_t ptid); | |
9da41fda TBA |
411 | |
412 | /* Returns true if the read_loadmap target op is supported. */ | |
413 | virtual bool supports_read_loadmap (); | |
414 | ||
415 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
416 | virtual int read_loadmap (const char *annex, CORE_ADDR offset, | |
417 | unsigned char *myaddr, unsigned int len); | |
0df28b1b TBA |
418 | |
419 | /* Target specific qSupported support. FEATURES is an array of | |
420 | features with COUNT elements. */ | |
421 | virtual void process_qsupported (char **features, int count); | |
290732bf TBA |
422 | |
423 | /* Return true if the target supports tracepoints, false otherwise. */ | |
424 | virtual bool supports_tracepoints (); | |
770d8f6a TBA |
425 | |
426 | /* Read PC from REGCACHE. */ | |
427 | virtual CORE_ADDR read_pc (regcache *regcache); | |
428 | ||
429 | /* Write PC to REGCACHE. */ | |
430 | virtual void write_pc (regcache *regcache, CORE_ADDR pc); | |
68119632 TBA |
431 | |
432 | /* Return true if the thread_stopped op is supported. */ | |
433 | virtual bool supports_thread_stopped (); | |
434 | ||
435 | /* Return true if THREAD is known to be stopped now. */ | |
436 | virtual bool thread_stopped (thread_info *thread); | |
4e2e869c TBA |
437 | |
438 | /* Return true if the get_tib_address op is supported. */ | |
439 | virtual bool supports_get_tib_address (); | |
440 | ||
441 | /* Read Thread Information Block address. */ | |
442 | virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); | |
29e8dc09 TBA |
443 | |
444 | /* Pause all threads. If FREEZE, arrange for any resume attempt to | |
445 | be ignored until an unpause_all call unfreezes threads again. | |
446 | There can be nested calls to pause_all, so a freeze counter | |
447 | should be maintained. */ | |
448 | virtual void pause_all (bool freeze); | |
449 | ||
450 | /* Unpause all threads. Threads that hadn't been resumed by the | |
451 | client should be left stopped. Basically a pause/unpause call | |
452 | pair should not end up resuming threads that were stopped before | |
453 | the pause call. */ | |
454 | virtual void unpause_all (bool unfreeze); | |
5c9eb2f2 TBA |
455 | |
456 | /* Stabilize all threads. That is, force them out of jump pads. */ | |
457 | virtual void stabilize_threads (); | |
c23c9391 TBA |
458 | |
459 | /* Return true if the install_fast_tracepoint_jump_pad op is | |
460 | supported. */ | |
461 | virtual bool supports_fast_tracepoints (); | |
462 | ||
463 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
464 | tracepoint internal object as used by the IPA agent. TPADDR is | |
465 | the address of tracepoint. COLLECTOR is address of the function | |
466 | the jump pad redirects to. LOCKADDR is the address of the jump | |
467 | pad lock object. ORIG_SIZE is the size in bytes of the | |
468 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
469 | jump pad entry, and on return holds the address past the end of | |
470 | the created jump pad. If a trampoline is created by the function, | |
471 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
472 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
473 | buffer containing a copy of the instruction at TPADDR. | |
474 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
475 | return the address range where the instruction at TPADDR was relocated | |
476 | to. If an error occurs, the ERR may be used to pass on an error | |
477 | message. */ | |
478 | virtual int install_fast_tracepoint_jump_pad | |
479 | (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, | |
480 | CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, | |
481 | CORE_ADDR *trampoline, ULONGEST *trampoline_size, | |
482 | unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, | |
483 | CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, | |
484 | char *err); | |
485 | ||
486 | /* Return the minimum length of an instruction that can be safely | |
487 | overwritten for use as a fast tracepoint. */ | |
488 | virtual int get_min_fast_tracepoint_insn_len (); | |
345dafad TBA |
489 | |
490 | /* Return the bytecode operations vector for the current inferior. | |
491 | Returns nullptr if bytecode compilation is not supported. */ | |
492 | virtual struct emit_ops *emit_ops (); | |
c756403b TBA |
493 | |
494 | /* Returns true if the target supports disabling randomization. */ | |
495 | virtual bool supports_disable_randomization (); | |
ce3a066d DJ |
496 | }; |
497 | ||
5b6d1e4f | 498 | extern process_stratum_target *the_target; |
ce3a066d | 499 | |
5b6d1e4f | 500 | void set_target_ops (process_stratum_target *); |
ce3a066d | 501 | |
15295543 TBA |
502 | #define target_create_inferior(program, program_args) \ |
503 | the_target->pt->create_inferior (program, program_args) | |
ce3a066d | 504 | |
ece66d65 | 505 | #define target_post_create_inferior() \ |
6dee9afb | 506 | the_target->pt->post_create_inferior () |
c06cbd92 | 507 | |
ce3a066d | 508 | #define myattach(pid) \ |
ef03dad8 | 509 | the_target->pt->attach (pid) |
ce3a066d | 510 | |
a780ef4f | 511 | int kill_inferior (process_info *proc); |
ce3a066d | 512 | |
89245bc0 | 513 | #define target_supports_fork_events() \ |
9690a72a | 514 | the_target->pt->supports_fork_events () |
89245bc0 DB |
515 | |
516 | #define target_supports_vfork_events() \ | |
9690a72a | 517 | the_target->pt->supports_vfork_events () |
89245bc0 | 518 | |
94585166 | 519 | #define target_supports_exec_events() \ |
9690a72a | 520 | the_target->pt->supports_exec_events () |
94585166 | 521 | |
452003ef | 522 | #define target_handle_new_gdb_connection() \ |
fb00dfce | 523 | the_target->pt->handle_new_gdb_connection () |
de0d863e | 524 | |
ef2ddb33 | 525 | #define detach_inferior(proc) \ |
9061c9cf | 526 | the_target->pt->detach (proc) |
6ad8ae5c | 527 | |
ce3a066d | 528 | #define mythread_alive(pid) \ |
13d3d99b | 529 | the_target->pt->thread_alive (pid) |
ce3a066d | 530 | |
442ea881 | 531 | #define fetch_inferior_registers(regcache, regno) \ |
a5a4d4cd | 532 | the_target->pt->fetch_registers (regcache, regno) |
ce3a066d | 533 | |
442ea881 | 534 | #define store_inferior_registers(regcache, regno) \ |
a5a4d4cd | 535 | the_target->pt->store_registers (regcache, regno) |
ce3a066d | 536 | |
d105de22 | 537 | #define join_inferior(pid) \ |
95a49a39 | 538 | the_target->pt->join (pid) |
444d6139 | 539 | |
bd99dc85 | 540 | #define target_supports_non_stop() \ |
0dc587d4 | 541 | the_target->pt->supports_non_stop () |
bd99dc85 PA |
542 | |
543 | #define target_async(enable) \ | |
0dc587d4 | 544 | the_target->pt->async (enable) |
bd99dc85 | 545 | |
06e03fff | 546 | #define target_process_qsupported(features, count) \ |
0df28b1b | 547 | the_target->pt->process_qsupported (features, count) |
1570b33e | 548 | |
82075af2 JS |
549 | #define target_supports_catch_syscall() \ |
550 | (the_target->supports_catch_syscall ? \ | |
551 | (*the_target->supports_catch_syscall) () : 0) | |
552 | ||
ae91f625 MK |
553 | #define target_get_ipa_tdesc_idx() \ |
554 | (the_target->get_ipa_tdesc_idx \ | |
555 | ? (*the_target->get_ipa_tdesc_idx) () : 0) | |
556 | ||
219f2f23 | 557 | #define target_supports_tracepoints() \ |
290732bf | 558 | the_target->pt->supports_tracepoints () |
219f2f23 | 559 | |
fa593d66 | 560 | #define target_supports_fast_tracepoints() \ |
c23c9391 | 561 | the_target->pt->supports_fast_tracepoints () |
fa593d66 | 562 | |
405f8e94 | 563 | #define target_get_min_fast_tracepoint_insn_len() \ |
c23c9391 | 564 | the_target->pt->get_min_fast_tracepoint_insn_len () |
405f8e94 | 565 | |
68119632 TBA |
566 | #define target_thread_stopped(thread) \ |
567 | the_target->pt->thread_stopped (thread) | |
8336d594 | 568 | |
29e8dc09 TBA |
569 | #define target_pause_all(freeze) \ |
570 | the_target->pt->pause_all (freeze) | |
7984d532 | 571 | |
29e8dc09 TBA |
572 | #define target_unpause_all(unfreeze) \ |
573 | the_target->pt->unpause_all (unfreeze) | |
7984d532 | 574 | |
5c9eb2f2 TBA |
575 | #define target_stabilize_threads() \ |
576 | the_target->pt->stabilize_threads () | |
fa593d66 | 577 | |
c23c9391 TBA |
578 | #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ |
579 | collector, lockaddr, \ | |
580 | orig_size, \ | |
581 | jump_entry, \ | |
582 | trampoline, trampoline_size, \ | |
583 | jjump_pad_insn, \ | |
584 | jjump_pad_insn_size, \ | |
585 | adjusted_insn_addr, \ | |
586 | adjusted_insn_addr_end, \ | |
587 | err) \ | |
588 | the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ | |
589 | collector,lockaddr, \ | |
590 | orig_size, jump_entry, \ | |
591 | trampoline, \ | |
592 | trampoline_size, \ | |
593 | jjump_pad_insn, \ | |
594 | jjump_pad_insn_size, \ | |
595 | adjusted_insn_addr, \ | |
596 | adjusted_insn_addr_end, \ | |
597 | err) | |
fa593d66 | 598 | |
6a271cae | 599 | #define target_emit_ops() \ |
345dafad | 600 | the_target->pt->emit_ops () |
6a271cae | 601 | |
03583c20 | 602 | #define target_supports_disable_randomization() \ |
c756403b | 603 | the_target->pt->supports_disable_randomization () |
03583c20 | 604 | |
d1feda86 YQ |
605 | #define target_supports_agent() \ |
606 | (the_target->supports_agent ? \ | |
607 | (*the_target->supports_agent) () : 0) | |
608 | ||
b1223e78 MM |
609 | static inline struct btrace_target_info * |
610 | target_enable_btrace (ptid_t ptid, const struct btrace_config *conf) | |
611 | { | |
612 | if (the_target->enable_btrace == nullptr) | |
613 | error (_("Target does not support branch tracing.")); | |
614 | ||
615 | return (*the_target->enable_btrace) (ptid, conf); | |
616 | } | |
617 | ||
618 | static inline int | |
619 | target_disable_btrace (struct btrace_target_info *tinfo) | |
620 | { | |
621 | if (the_target->disable_btrace == nullptr) | |
622 | error (_("Target does not support branch tracing.")); | |
9accd112 | 623 | |
b1223e78 MM |
624 | return (*the_target->disable_btrace) (tinfo); |
625 | } | |
9accd112 | 626 | |
b1223e78 MM |
627 | static inline int |
628 | target_read_btrace (struct btrace_target_info *tinfo, | |
629 | struct buffer *buffer, | |
630 | enum btrace_read_type type) | |
631 | { | |
632 | if (the_target->read_btrace == nullptr) | |
633 | error (_("Target does not support branch tracing.")); | |
634 | ||
635 | return (*the_target->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 | if (the_target->read_btrace_conf == nullptr) | |
643 | error (_("Target does not support branch tracing.")); | |
9accd112 | 644 | |
b1223e78 MM |
645 | return (*the_target->read_btrace_conf) (tinfo, buffer); |
646 | } | |
f4abbc16 | 647 | |
c2d6af84 PA |
648 | #define target_supports_range_stepping() \ |
649 | (the_target->supports_range_stepping ? \ | |
650 | (*the_target->supports_range_stepping) () : 0) | |
651 | ||
1ec68e26 | 652 | #define target_supports_stopped_by_sw_breakpoint() \ |
84320c4e | 653 | the_target->pt->supports_stopped_by_sw_breakpoint () |
1ec68e26 PA |
654 | |
655 | #define target_stopped_by_sw_breakpoint() \ | |
84320c4e | 656 | the_target->pt->stopped_by_sw_breakpoint () |
1ec68e26 PA |
657 | |
658 | #define target_supports_stopped_by_hw_breakpoint() \ | |
93fe88b2 | 659 | the_target->pt->supports_stopped_by_hw_breakpoint () |
1ec68e26 | 660 | |
70b90b91 | 661 | #define target_supports_hardware_single_step() \ |
22aa6223 | 662 | the_target->pt->supports_hardware_single_step () |
45614f15 | 663 | |
1ec68e26 | 664 | #define target_stopped_by_hw_breakpoint() \ |
93fe88b2 | 665 | the_target->pt->stopped_by_hw_breakpoint () |
1ec68e26 | 666 | |
2e6ee069 AT |
667 | #define target_breakpoint_kind_from_pc(pcptr) \ |
668 | (the_target->breakpoint_kind_from_pc \ | |
669 | ? (*the_target->breakpoint_kind_from_pc) (pcptr) \ | |
670 | : default_breakpoint_kind_from_pc (pcptr)) | |
671 | ||
769ef81f AT |
672 | #define target_breakpoint_kind_from_current_state(pcptr) \ |
673 | (the_target->breakpoint_kind_from_current_state \ | |
674 | ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \ | |
675 | : target_breakpoint_kind_from_pc (pcptr)) | |
676 | ||
7d00775e AT |
677 | #define target_supports_software_single_step() \ |
678 | (the_target->supports_software_single_step ? \ | |
679 | (*the_target->supports_software_single_step) () : 0) | |
680 | ||
95954743 PA |
681 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, |
682 | int connected_wait); | |
0d62e5e8 | 683 | |
a67a9fae | 684 | /* Prepare to read or write memory from the inferior process. See the |
5b6d1e4f | 685 | corresponding process_stratum_target methods for more details. */ |
90d74c30 | 686 | |
a67a9fae PA |
687 | int prepare_to_access_memory (void); |
688 | void done_accessing_memory (void); | |
90d74c30 | 689 | |
3e10640f | 690 | #define target_core_of_thread(ptid) \ |
95a45fc1 | 691 | the_target->pt->core_of_thread (ptid) |
3e10640f | 692 | |
79efa585 SM |
693 | #define target_thread_name(ptid) \ |
694 | (the_target->thread_name ? (*the_target->thread_name) (ptid) \ | |
695 | : NULL) | |
696 | ||
f6327dcb KB |
697 | #define target_thread_handle(ptid, handle, handle_len) \ |
698 | (the_target->thread_handle ? (*the_target->thread_handle) \ | |
699 | (ptid, handle, handle_len) \ | |
700 | : false) | |
701 | ||
f450004a | 702 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
ce3a066d | 703 | |
f557a88a | 704 | int set_desired_thread (); |
ce3a066d | 705 | |
95954743 PA |
706 | const char *target_pid_to_str (ptid_t); |
707 | ||
2e6ee069 AT |
708 | int default_breakpoint_kind_from_pc (CORE_ADDR *pcptr); |
709 | ||
1a5c2598 | 710 | #endif /* GDBSERVER_TARGET_H */ |