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 | { |
fa593d66 PA |
73 | /* Stabilize all threads. That is, force them out of jump pads. */ |
74 | void (*stabilize_threads) (void); | |
75 | ||
76 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
77 | tracepoint internal object as used by the IPA agent. TPADDR is | |
78 | the address of tracepoint. COLLECTOR is address of the function | |
79 | the jump pad redirects to. LOCKADDR is the address of the jump | |
80 | pad lock object. ORIG_SIZE is the size in bytes of the | |
81 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
82 | jump pad entry, and on return holds the address past the end of | |
405f8e94 SS |
83 | the created jump pad. If a trampoline is created by the function, |
84 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
85 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
86 | buffer containing a copy of the instruction at TPADDR. | |
87 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
88 | return the address range where the instruction at TPADDR was relocated | |
89 | to. If an error occurs, the ERR may be used to pass on an error | |
90 | message. */ | |
fa593d66 PA |
91 | int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr, |
92 | CORE_ADDR collector, | |
93 | CORE_ADDR lockaddr, | |
94 | ULONGEST orig_size, | |
95 | CORE_ADDR *jump_entry, | |
405f8e94 SS |
96 | CORE_ADDR *trampoline, |
97 | ULONGEST *trampoline_size, | |
fa593d66 PA |
98 | unsigned char *jjump_pad_insn, |
99 | ULONGEST *jjump_pad_insn_size, | |
100 | CORE_ADDR *adjusted_insn_addr, | |
405f8e94 SS |
101 | CORE_ADDR *adjusted_insn_addr_end, |
102 | char *err); | |
6a271cae PA |
103 | |
104 | /* Return the bytecode operations vector for the current inferior. | |
105 | Returns NULL if bytecode compilation is not supported. */ | |
106 | struct emit_ops *(*emit_ops) (void); | |
03583c20 UW |
107 | |
108 | /* Returns true if the target supports disabling randomization. */ | |
109 | int (*supports_disable_randomization) (void); | |
405f8e94 SS |
110 | |
111 | /* Return the minimum length of an instruction that can be safely overwritten | |
112 | for use as a fast tracepoint. */ | |
113 | int (*get_min_fast_tracepoint_insn_len) (void); | |
2268b414 JK |
114 | |
115 | /* Read solib info on SVR4 platforms. */ | |
116 | int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf, | |
117 | unsigned const char *writebuf, | |
118 | CORE_ADDR offset, int len); | |
d1feda86 YQ |
119 | |
120 | /* Return true if target supports debugging agent. */ | |
121 | int (*supports_agent) (void); | |
9accd112 | 122 | |
f4abbc16 MM |
123 | /* Enable branch tracing for PTID based on CONF and allocate a branch trace |
124 | target information struct for reading and for disabling branch trace. */ | |
125 | struct btrace_target_info *(*enable_btrace) | |
126 | (ptid_t ptid, const struct btrace_config *conf); | |
9accd112 | 127 | |
969c39fb MM |
128 | /* Disable branch tracing. |
129 | Returns zero on success, non-zero otherwise. */ | |
9accd112 MM |
130 | int (*disable_btrace) (struct btrace_target_info *tinfo); |
131 | ||
add67df8 | 132 | /* Read branch trace data into buffer. |
969c39fb MM |
133 | Return 0 on success; print an error message into BUFFER and return -1, |
134 | otherwise. */ | |
add67df8 PA |
135 | int (*read_btrace) (struct btrace_target_info *, struct buffer *, |
136 | enum btrace_read_type type); | |
9accd112 | 137 | |
f4abbc16 MM |
138 | /* Read the branch trace configuration into BUFFER. |
139 | Return 0 on success; print an error message into BUFFER and return -1 | |
140 | otherwise. */ | |
141 | int (*read_btrace_conf) (const struct btrace_target_info *, struct buffer *); | |
142 | ||
c2d6af84 PA |
143 | /* Return true if target supports range stepping. */ |
144 | int (*supports_range_stepping) (void); | |
e57f1de3 GB |
145 | |
146 | /* Return the full absolute name of the executable file that was | |
147 | run to create the process PID. If the executable file cannot | |
148 | be determined, NULL is returned. Otherwise, a pointer to a | |
149 | character string containing the pathname is returned. This | |
150 | string should be copied into a buffer by the client if the string | |
151 | will not be immediately used, or if it must persist. */ | |
152 | char *(*pid_to_exec_file) (int pid); | |
14d2069a GB |
153 | |
154 | /* Multiple-filesystem-aware open. Like open(2), but operating in | |
155 | the filesystem as it appears to process PID. Systems where all | |
156 | processes share a common filesystem should set this to NULL. | |
157 | If NULL, the caller should fall back to open(2). */ | |
158 | int (*multifs_open) (int pid, const char *filename, | |
159 | int flags, mode_t mode); | |
160 | ||
161 | /* Multiple-filesystem-aware unlink. Like unlink(2), but operates | |
162 | in the filesystem as it appears to process PID. Systems where | |
163 | all processes share a common filesystem should set this to NULL. | |
164 | If NULL, the caller should fall back to unlink(2). */ | |
165 | int (*multifs_unlink) (int pid, const char *filename); | |
166 | ||
167 | /* Multiple-filesystem-aware readlink. Like readlink(2), but | |
168 | operating in the filesystem as it appears to process PID. | |
169 | Systems where all processes share a common filesystem should | |
170 | set this to NULL. If NULL, the caller should fall back to | |
171 | readlink(2). */ | |
172 | ssize_t (*multifs_readlink) (int pid, const char *filename, | |
173 | char *buf, size_t bufsiz); | |
dd373349 AT |
174 | |
175 | /* Return the breakpoint kind for this target based on PC. The PCPTR is | |
176 | adjusted to the real memory location in case a flag (e.g., the Thumb bit on | |
177 | ARM) was present in the PC. */ | |
178 | int (*breakpoint_kind_from_pc) (CORE_ADDR *pcptr); | |
179 | ||
180 | /* Return the software breakpoint from KIND. KIND can have target | |
181 | specific meaning like the Z0 kind parameter. | |
182 | SIZE is set to the software breakpoint's length in memory. */ | |
183 | const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size); | |
79efa585 SM |
184 | |
185 | /* Return the thread's name, or NULL if the target is unable to determine it. | |
186 | The returned value must not be freed by the caller. */ | |
187 | const char *(*thread_name) (ptid_t thread); | |
769ef81f AT |
188 | |
189 | /* Return the breakpoint kind for this target based on the current | |
190 | processor state (e.g. the current instruction mode on ARM) and the | |
191 | PC. The PCPTR is adjusted to the real memory location in case a flag | |
192 | (e.g., the Thumb bit on ARM) is present in the PC. */ | |
193 | int (*breakpoint_kind_from_current_state) (CORE_ADDR *pcptr); | |
7d00775e AT |
194 | |
195 | /* Returns true if the target can software single step. */ | |
196 | int (*supports_software_single_step) (void); | |
82075af2 JS |
197 | |
198 | /* Return 1 if the target supports catch syscall, 0 (or leave the | |
199 | callback NULL) otherwise. */ | |
200 | int (*supports_catch_syscall) (void); | |
ae91f625 MK |
201 | |
202 | /* Return tdesc index for IPA. */ | |
203 | int (*get_ipa_tdesc_idx) (void); | |
f6327dcb KB |
204 | |
205 | /* Thread ID to (numeric) thread handle: Return true on success and | |
206 | false for failure. Return pointer to thread handle via HANDLE | |
207 | and the handle's length via HANDLE_LEN. */ | |
208 | bool (*thread_handle) (ptid_t ptid, gdb_byte **handle, int *handle_len); | |
5ef9273d TBA |
209 | |
210 | /* The object that will gradually replace this struct. */ | |
211 | process_target *pt; | |
212 | }; | |
213 | ||
214 | class process_target | |
215 | { | |
216 | public: | |
217 | ||
218 | virtual ~process_target () = default; | |
15295543 TBA |
219 | |
220 | /* Start a new process. | |
221 | ||
222 | PROGRAM is a path to the program to execute. | |
223 | PROGRAM_ARGS is a standard NULL-terminated array of arguments, | |
224 | to be passed to the inferior as ``argv'' (along with PROGRAM). | |
225 | ||
226 | Returns the new PID on success, -1 on failure. Registers the new | |
227 | process with the process list. */ | |
228 | virtual int create_inferior (const char *program, | |
229 | const std::vector<char *> &program_args) = 0; | |
6dee9afb TBA |
230 | |
231 | /* Do additional setup after a new process is created, including | |
232 | exec-wrapper completion. */ | |
233 | virtual void post_create_inferior (); | |
ef03dad8 TBA |
234 | |
235 | /* Attach to a running process. | |
236 | ||
237 | PID is the process ID to attach to, specified by the user | |
238 | or a higher layer. | |
239 | ||
240 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
241 | error() otherwise. */ | |
242 | virtual int attach (unsigned long pid) = 0; | |
c6885a57 TBA |
243 | |
244 | /* Kill process PROC. Return -1 on failure, and 0 on success. */ | |
245 | virtual int kill (process_info *proc) = 0; | |
9061c9cf TBA |
246 | |
247 | /* Detach from process PROC. Return -1 on failure, and 0 on | |
248 | success. */ | |
249 | virtual int detach (process_info *proc) = 0; | |
8adb37b9 TBA |
250 | |
251 | /* The inferior process has died. Do what is right. */ | |
252 | virtual void mourn (process_info *proc) = 0; | |
95a49a39 TBA |
253 | |
254 | /* Wait for process PID to exit. */ | |
255 | virtual void join (int pid) = 0; | |
13d3d99b TBA |
256 | |
257 | /* Return true iff the thread with process ID PID is alive. */ | |
258 | virtual bool thread_alive (ptid_t pid) = 0; | |
0e4d7e35 TBA |
259 | |
260 | /* Resume the inferior process. */ | |
261 | virtual void resume (thread_resume *resume_info, size_t n) = 0; | |
6532e7e3 TBA |
262 | |
263 | /* Wait for the inferior process or thread to change state. Store | |
264 | status through argument pointer STATUS. | |
265 | ||
266 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
267 | wait for any thread of process pid to do something. Return ptid | |
268 | of child, or -1 in case of error; store status through argument | |
269 | pointer STATUS. OPTIONS is a bit set of options defined as | |
270 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
271 | no child stop to report, return is | |
272 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
273 | virtual ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
274 | int options) = 0; | |
a5a4d4cd TBA |
275 | |
276 | /* Fetch registers from the inferior process. | |
277 | ||
278 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
279 | virtual void fetch_registers (regcache *regcache, int regno) = 0; | |
280 | ||
281 | /* Store registers to the inferior process. | |
282 | ||
283 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
284 | virtual void store_registers (regcache *regcache, int regno) = 0; | |
79b44087 TBA |
285 | |
286 | /* Prepare to read or write memory from the inferior process. | |
287 | Targets use this to do what is necessary to get the state of the | |
288 | inferior such that it is possible to access memory. | |
289 | ||
290 | This should generally only be called from client facing routines, | |
291 | such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint | |
292 | insertion routine. | |
293 | ||
294 | Like `read_memory' and `write_memory' below, returns 0 on success | |
295 | and errno on failure. */ | |
296 | virtual int prepare_to_access_memory (); | |
297 | ||
298 | /* Undo the effects of prepare_to_access_memory. */ | |
299 | virtual void done_accessing_memory (); | |
e2558df3 TBA |
300 | |
301 | /* Read memory from the inferior process. This should generally be | |
302 | called through read_inferior_memory, which handles breakpoint shadowing. | |
303 | ||
304 | Read LEN bytes at MEMADDR into a buffer at MYADDR. | |
305 | ||
306 | Returns 0 on success and errno on failure. */ | |
307 | virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
308 | int len) = 0; | |
309 | ||
310 | /* Write memory to the inferior process. This should generally be | |
311 | called through target_write_memory, which handles breakpoint shadowing. | |
312 | ||
313 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
314 | ||
315 | Returns 0 on success and errno on failure. */ | |
316 | virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
317 | int len) = 0; | |
2a31c7aa TBA |
318 | |
319 | /* Query GDB for the values of any symbols we're interested in. | |
320 | This function is called whenever we receive a "qSymbols::" | |
321 | query, which corresponds to every time more symbols (might) | |
322 | become available. */ | |
323 | virtual void look_up_symbols (); | |
eb497a2a TBA |
324 | |
325 | /* Send an interrupt request to the inferior process, | |
326 | however is appropriate. */ | |
327 | virtual void request_interrupt () = 0; | |
eac215cc TBA |
328 | |
329 | /* Return true if the read_auxv target op is supported. */ | |
330 | virtual bool supports_read_auxv (); | |
331 | ||
332 | /* Read auxiliary vector data from the inferior process. | |
333 | ||
334 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
335 | virtual int read_auxv (CORE_ADDR offset, unsigned char *myaddr, | |
336 | unsigned int len); | |
a2b2297a TBA |
337 | |
338 | /* Returns true if GDB Z breakpoint type TYPE is supported, false | |
339 | otherwise. The type is coded as follows: | |
340 | '0' - software-breakpoint | |
341 | '1' - hardware-breakpoint | |
342 | '2' - write watchpoint | |
343 | '3' - read watchpoint | |
344 | '4' - access watchpoint | |
345 | */ | |
346 | virtual bool supports_z_point_type (char z_type); | |
7e0bde70 TBA |
347 | |
348 | /* Insert and remove a break or watchpoint. | |
349 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
350 | virtual int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
351 | int size, raw_breakpoint *bp); | |
352 | ||
353 | virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
354 | int size, raw_breakpoint *bp); | |
84320c4e TBA |
355 | |
356 | /* Returns true if the target stopped because it executed a software | |
357 | breakpoint instruction, false otherwise. */ | |
358 | virtual bool stopped_by_sw_breakpoint (); | |
359 | ||
360 | /* Returns true if the target knows whether a trap was caused by a | |
361 | SW breakpoint triggering. */ | |
362 | virtual bool supports_stopped_by_sw_breakpoint (); | |
93fe88b2 TBA |
363 | |
364 | /* Returns true if the target stopped for a hardware breakpoint. */ | |
365 | virtual bool stopped_by_hw_breakpoint (); | |
366 | ||
367 | /* Returns true if the target knows whether a trap was caused by a | |
368 | HW breakpoint triggering. */ | |
369 | virtual bool supports_stopped_by_hw_breakpoint (); | |
22aa6223 TBA |
370 | |
371 | /* Returns true if the target can do hardware single step. */ | |
372 | virtual bool supports_hardware_single_step (); | |
6eeb5c55 TBA |
373 | |
374 | /* Returns true if target was stopped due to a watchpoint hit, false | |
375 | otherwise. */ | |
376 | virtual bool stopped_by_watchpoint (); | |
377 | ||
378 | /* Returns the address associated with the watchpoint that hit, if any; | |
379 | returns 0 otherwise. */ | |
380 | virtual CORE_ADDR stopped_data_address (); | |
5203ae1e TBA |
381 | |
382 | /* Return true if the read_offsets target op is supported. */ | |
383 | virtual bool supports_read_offsets (); | |
384 | ||
385 | /* Reports the text, data offsets of the executable. This is | |
386 | needed for uclinux where the executable is relocated during load | |
387 | time. */ | |
388 | virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); | |
6e3fd7e9 TBA |
389 | |
390 | /* Return true if the get_tls_address target op is supported. */ | |
391 | virtual bool supports_get_tls_address (); | |
392 | ||
393 | /* Fetch the address associated with a specific thread local storage | |
394 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
395 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
396 | an error code. A return value of -1 means this system does not | |
397 | support the operation. */ | |
398 | virtual int get_tls_address (thread_info *thread, CORE_ADDR offset, | |
399 | CORE_ADDR load_module, CORE_ADDR *address); | |
ea06bbaa TBA |
400 | |
401 | /* Fill BUF with an hostio error packet representing the last hostio | |
402 | error. */ | |
403 | virtual void hostio_last_error (char *buf); | |
2d0795ee TBA |
404 | |
405 | /* Return true if the qxfer_osdata target op is supported. */ | |
406 | virtual bool supports_qxfer_osdata (); | |
407 | ||
408 | /* Read/Write OS data using qXfer packets. */ | |
409 | virtual int qxfer_osdata (const char *annex, unsigned char *readbuf, | |
410 | unsigned const char *writebuf, | |
411 | CORE_ADDR offset, int len); | |
d7abedf7 TBA |
412 | |
413 | /* Return true if the qxfer_siginfo target op is supported. */ | |
414 | virtual bool supports_qxfer_siginfo (); | |
415 | ||
416 | /* Read/Write extra signal info. */ | |
417 | virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
418 | unsigned const char *writebuf, | |
419 | CORE_ADDR offset, int len); | |
0dc587d4 TBA |
420 | |
421 | /* Return true if non-stop mode is supported. */ | |
422 | virtual bool supports_non_stop (); | |
423 | ||
424 | /* Enables async target events. Returns the previous enable | |
425 | state. */ | |
426 | virtual bool async (bool enable); | |
427 | ||
428 | /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false) | |
429 | mode. Return 0 on success, -1 otherwise. */ | |
430 | virtual int start_non_stop (bool enable); | |
652aef77 TBA |
431 | |
432 | /* Returns true if the target supports multi-process debugging. */ | |
433 | virtual bool supports_multi_process (); | |
9690a72a TBA |
434 | |
435 | /* Returns true if fork events are supported. */ | |
436 | virtual bool supports_fork_events (); | |
437 | ||
438 | /* Returns true if vfork events are supported. */ | |
439 | virtual bool supports_vfork_events (); | |
440 | ||
441 | /* Returns true if exec events are supported. */ | |
442 | virtual bool supports_exec_events (); | |
fb00dfce TBA |
443 | |
444 | /* Allows target to re-initialize connection-specific settings. */ | |
445 | virtual void handle_new_gdb_connection (); | |
55cf3021 TBA |
446 | |
447 | /* The target-specific routine to process monitor command. | |
448 | Returns 1 if handled, or 0 to perform default processing. */ | |
449 | virtual int handle_monitor_command (char *mon); | |
95a45fc1 TBA |
450 | |
451 | /* Returns the core given a thread, or -1 if not known. */ | |
452 | virtual int core_of_thread (ptid_t ptid); | |
9da41fda TBA |
453 | |
454 | /* Returns true if the read_loadmap target op is supported. */ | |
455 | virtual bool supports_read_loadmap (); | |
456 | ||
457 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
458 | virtual int read_loadmap (const char *annex, CORE_ADDR offset, | |
459 | unsigned char *myaddr, unsigned int len); | |
0df28b1b TBA |
460 | |
461 | /* Target specific qSupported support. FEATURES is an array of | |
462 | features with COUNT elements. */ | |
463 | virtual void process_qsupported (char **features, int count); | |
290732bf TBA |
464 | |
465 | /* Return true if the target supports tracepoints, false otherwise. */ | |
466 | virtual bool supports_tracepoints (); | |
770d8f6a TBA |
467 | |
468 | /* Read PC from REGCACHE. */ | |
469 | virtual CORE_ADDR read_pc (regcache *regcache); | |
470 | ||
471 | /* Write PC to REGCACHE. */ | |
472 | virtual void write_pc (regcache *regcache, CORE_ADDR pc); | |
68119632 TBA |
473 | |
474 | /* Return true if the thread_stopped op is supported. */ | |
475 | virtual bool supports_thread_stopped (); | |
476 | ||
477 | /* Return true if THREAD is known to be stopped now. */ | |
478 | virtual bool thread_stopped (thread_info *thread); | |
4e2e869c TBA |
479 | |
480 | /* Return true if the get_tib_address op is supported. */ | |
481 | virtual bool supports_get_tib_address (); | |
482 | ||
483 | /* Read Thread Information Block address. */ | |
484 | virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); | |
29e8dc09 TBA |
485 | |
486 | /* Pause all threads. If FREEZE, arrange for any resume attempt to | |
487 | be ignored until an unpause_all call unfreezes threads again. | |
488 | There can be nested calls to pause_all, so a freeze counter | |
489 | should be maintained. */ | |
490 | virtual void pause_all (bool freeze); | |
491 | ||
492 | /* Unpause all threads. Threads that hadn't been resumed by the | |
493 | client should be left stopped. Basically a pause/unpause call | |
494 | pair should not end up resuming threads that were stopped before | |
495 | the pause call. */ | |
496 | virtual void unpause_all (bool unfreeze); | |
ce3a066d DJ |
497 | }; |
498 | ||
5b6d1e4f | 499 | extern process_stratum_target *the_target; |
ce3a066d | 500 | |
5b6d1e4f | 501 | void set_target_ops (process_stratum_target *); |
ce3a066d | 502 | |
15295543 TBA |
503 | #define target_create_inferior(program, program_args) \ |
504 | the_target->pt->create_inferior (program, program_args) | |
ce3a066d | 505 | |
ece66d65 | 506 | #define target_post_create_inferior() \ |
6dee9afb | 507 | the_target->pt->post_create_inferior () |
c06cbd92 | 508 | |
ce3a066d | 509 | #define myattach(pid) \ |
ef03dad8 | 510 | the_target->pt->attach (pid) |
ce3a066d | 511 | |
a780ef4f | 512 | int kill_inferior (process_info *proc); |
ce3a066d | 513 | |
89245bc0 | 514 | #define target_supports_fork_events() \ |
9690a72a | 515 | the_target->pt->supports_fork_events () |
89245bc0 DB |
516 | |
517 | #define target_supports_vfork_events() \ | |
9690a72a | 518 | the_target->pt->supports_vfork_events () |
89245bc0 | 519 | |
94585166 | 520 | #define target_supports_exec_events() \ |
9690a72a | 521 | the_target->pt->supports_exec_events () |
94585166 | 522 | |
452003ef | 523 | #define target_handle_new_gdb_connection() \ |
fb00dfce | 524 | the_target->pt->handle_new_gdb_connection () |
de0d863e | 525 | |
ef2ddb33 | 526 | #define detach_inferior(proc) \ |
9061c9cf | 527 | the_target->pt->detach (proc) |
6ad8ae5c | 528 | |
ce3a066d | 529 | #define mythread_alive(pid) \ |
13d3d99b | 530 | the_target->pt->thread_alive (pid) |
ce3a066d | 531 | |
442ea881 | 532 | #define fetch_inferior_registers(regcache, regno) \ |
a5a4d4cd | 533 | the_target->pt->fetch_registers (regcache, regno) |
ce3a066d | 534 | |
442ea881 | 535 | #define store_inferior_registers(regcache, regno) \ |
a5a4d4cd | 536 | the_target->pt->store_registers (regcache, regno) |
ce3a066d | 537 | |
d105de22 | 538 | #define join_inferior(pid) \ |
95a49a39 | 539 | the_target->pt->join (pid) |
444d6139 | 540 | |
bd99dc85 | 541 | #define target_supports_non_stop() \ |
0dc587d4 | 542 | the_target->pt->supports_non_stop () |
bd99dc85 PA |
543 | |
544 | #define target_async(enable) \ | |
0dc587d4 | 545 | the_target->pt->async (enable) |
bd99dc85 | 546 | |
06e03fff | 547 | #define target_process_qsupported(features, count) \ |
0df28b1b | 548 | the_target->pt->process_qsupported (features, count) |
1570b33e | 549 | |
82075af2 JS |
550 | #define target_supports_catch_syscall() \ |
551 | (the_target->supports_catch_syscall ? \ | |
552 | (*the_target->supports_catch_syscall) () : 0) | |
553 | ||
ae91f625 MK |
554 | #define target_get_ipa_tdesc_idx() \ |
555 | (the_target->get_ipa_tdesc_idx \ | |
556 | ? (*the_target->get_ipa_tdesc_idx) () : 0) | |
557 | ||
219f2f23 | 558 | #define target_supports_tracepoints() \ |
290732bf | 559 | the_target->pt->supports_tracepoints () |
219f2f23 | 560 | |
fa593d66 PA |
561 | #define target_supports_fast_tracepoints() \ |
562 | (the_target->install_fast_tracepoint_jump_pad != NULL) | |
563 | ||
405f8e94 SS |
564 | #define target_get_min_fast_tracepoint_insn_len() \ |
565 | (the_target->get_min_fast_tracepoint_insn_len \ | |
566 | ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0) | |
567 | ||
68119632 TBA |
568 | #define target_thread_stopped(thread) \ |
569 | the_target->pt->thread_stopped (thread) | |
8336d594 | 570 | |
29e8dc09 TBA |
571 | #define target_pause_all(freeze) \ |
572 | the_target->pt->pause_all (freeze) | |
7984d532 | 573 | |
29e8dc09 TBA |
574 | #define target_unpause_all(unfreeze) \ |
575 | the_target->pt->unpause_all (unfreeze) | |
7984d532 | 576 | |
fa593d66 PA |
577 | #define stabilize_threads() \ |
578 | do \ | |
579 | { \ | |
580 | if (the_target->stabilize_threads) \ | |
581 | (*the_target->stabilize_threads) (); \ | |
582 | } while (0) | |
583 | ||
584 | #define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ | |
585 | collector, lockaddr, \ | |
586 | orig_size, \ | |
405f8e94 SS |
587 | jump_entry, \ |
588 | trampoline, trampoline_size, \ | |
589 | jjump_pad_insn, \ | |
fa593d66 PA |
590 | jjump_pad_insn_size, \ |
591 | adjusted_insn_addr, \ | |
405f8e94 SS |
592 | adjusted_insn_addr_end, \ |
593 | err) \ | |
fa593d66 PA |
594 | (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \ |
595 | collector,lockaddr, \ | |
596 | orig_size, jump_entry, \ | |
405f8e94 SS |
597 | trampoline, \ |
598 | trampoline_size, \ | |
fa593d66 PA |
599 | jjump_pad_insn, \ |
600 | jjump_pad_insn_size, \ | |
601 | adjusted_insn_addr, \ | |
405f8e94 SS |
602 | adjusted_insn_addr_end, \ |
603 | err) | |
fa593d66 | 604 | |
6a271cae PA |
605 | #define target_emit_ops() \ |
606 | (the_target->emit_ops ? (*the_target->emit_ops) () : NULL) | |
607 | ||
03583c20 UW |
608 | #define target_supports_disable_randomization() \ |
609 | (the_target->supports_disable_randomization ? \ | |
610 | (*the_target->supports_disable_randomization) () : 0) | |
611 | ||
d1feda86 YQ |
612 | #define target_supports_agent() \ |
613 | (the_target->supports_agent ? \ | |
614 | (*the_target->supports_agent) () : 0) | |
615 | ||
b1223e78 MM |
616 | static inline struct btrace_target_info * |
617 | target_enable_btrace (ptid_t ptid, const struct btrace_config *conf) | |
618 | { | |
619 | if (the_target->enable_btrace == nullptr) | |
620 | error (_("Target does not support branch tracing.")); | |
621 | ||
622 | return (*the_target->enable_btrace) (ptid, conf); | |
623 | } | |
624 | ||
625 | static inline int | |
626 | target_disable_btrace (struct btrace_target_info *tinfo) | |
627 | { | |
628 | if (the_target->disable_btrace == nullptr) | |
629 | error (_("Target does not support branch tracing.")); | |
9accd112 | 630 | |
b1223e78 MM |
631 | return (*the_target->disable_btrace) (tinfo); |
632 | } | |
9accd112 | 633 | |
b1223e78 MM |
634 | static inline int |
635 | target_read_btrace (struct btrace_target_info *tinfo, | |
636 | struct buffer *buffer, | |
637 | enum btrace_read_type type) | |
638 | { | |
639 | if (the_target->read_btrace == nullptr) | |
640 | error (_("Target does not support branch tracing.")); | |
641 | ||
642 | return (*the_target->read_btrace) (tinfo, buffer, type); | |
643 | } | |
644 | ||
645 | static inline int | |
646 | target_read_btrace_conf (struct btrace_target_info *tinfo, | |
647 | struct buffer *buffer) | |
648 | { | |
649 | if (the_target->read_btrace_conf == nullptr) | |
650 | error (_("Target does not support branch tracing.")); | |
9accd112 | 651 | |
b1223e78 MM |
652 | return (*the_target->read_btrace_conf) (tinfo, buffer); |
653 | } | |
f4abbc16 | 654 | |
c2d6af84 PA |
655 | #define target_supports_range_stepping() \ |
656 | (the_target->supports_range_stepping ? \ | |
657 | (*the_target->supports_range_stepping) () : 0) | |
658 | ||
1ec68e26 | 659 | #define target_supports_stopped_by_sw_breakpoint() \ |
84320c4e | 660 | the_target->pt->supports_stopped_by_sw_breakpoint () |
1ec68e26 PA |
661 | |
662 | #define target_stopped_by_sw_breakpoint() \ | |
84320c4e | 663 | the_target->pt->stopped_by_sw_breakpoint () |
1ec68e26 PA |
664 | |
665 | #define target_supports_stopped_by_hw_breakpoint() \ | |
93fe88b2 | 666 | the_target->pt->supports_stopped_by_hw_breakpoint () |
1ec68e26 | 667 | |
70b90b91 | 668 | #define target_supports_hardware_single_step() \ |
22aa6223 | 669 | the_target->pt->supports_hardware_single_step () |
45614f15 | 670 | |
1ec68e26 | 671 | #define target_stopped_by_hw_breakpoint() \ |
93fe88b2 | 672 | the_target->pt->stopped_by_hw_breakpoint () |
1ec68e26 | 673 | |
2e6ee069 AT |
674 | #define target_breakpoint_kind_from_pc(pcptr) \ |
675 | (the_target->breakpoint_kind_from_pc \ | |
676 | ? (*the_target->breakpoint_kind_from_pc) (pcptr) \ | |
677 | : default_breakpoint_kind_from_pc (pcptr)) | |
678 | ||
769ef81f AT |
679 | #define target_breakpoint_kind_from_current_state(pcptr) \ |
680 | (the_target->breakpoint_kind_from_current_state \ | |
681 | ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \ | |
682 | : target_breakpoint_kind_from_pc (pcptr)) | |
683 | ||
7d00775e AT |
684 | #define target_supports_software_single_step() \ |
685 | (the_target->supports_software_single_step ? \ | |
686 | (*the_target->supports_software_single_step) () : 0) | |
687 | ||
95954743 PA |
688 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, |
689 | int connected_wait); | |
0d62e5e8 | 690 | |
a67a9fae | 691 | /* Prepare to read or write memory from the inferior process. See the |
5b6d1e4f | 692 | corresponding process_stratum_target methods for more details. */ |
90d74c30 | 693 | |
a67a9fae PA |
694 | int prepare_to_access_memory (void); |
695 | void done_accessing_memory (void); | |
90d74c30 | 696 | |
3e10640f | 697 | #define target_core_of_thread(ptid) \ |
95a45fc1 | 698 | the_target->pt->core_of_thread (ptid) |
3e10640f | 699 | |
79efa585 SM |
700 | #define target_thread_name(ptid) \ |
701 | (the_target->thread_name ? (*the_target->thread_name) (ptid) \ | |
702 | : NULL) | |
703 | ||
f6327dcb KB |
704 | #define target_thread_handle(ptid, handle, handle_len) \ |
705 | (the_target->thread_handle ? (*the_target->thread_handle) \ | |
706 | (ptid, handle, handle_len) \ | |
707 | : false) | |
708 | ||
f450004a | 709 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
ce3a066d | 710 | |
f557a88a | 711 | int set_desired_thread (); |
ce3a066d | 712 | |
95954743 PA |
713 | const char *target_pid_to_str (ptid_t); |
714 | ||
2e6ee069 AT |
715 | int default_breakpoint_kind_from_pc (CORE_ADDR *pcptr); |
716 | ||
1a5c2598 | 717 | #endif /* GDBSERVER_TARGET_H */ |