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 | { |
ef2ddb33 | 73 | /* Detach from process PROC. Return -1 on failure, and 0 on |
95954743 | 74 | success. */ |
6ad8ae5c | 75 | |
ef2ddb33 | 76 | int (*detach) (process_info *proc); |
444d6139 | 77 | |
8336d594 PA |
78 | /* The inferior process has died. Do what is right. */ |
79 | ||
80 | void (*mourn) (struct process_info *proc); | |
81 | ||
d105de22 | 82 | /* Wait for process PID to exit. */ |
ef2ddb33 | 83 | |
d105de22 | 84 | void (*join) (int pid); |
6ad8ae5c | 85 | |
ce3a066d DJ |
86 | /* Return 1 iff the thread with process ID PID is alive. */ |
87 | ||
95954743 | 88 | int (*thread_alive) (ptid_t pid); |
ce3a066d | 89 | |
64386c31 | 90 | /* Resume the inferior process. */ |
ce3a066d | 91 | |
2bd7c093 | 92 | void (*resume) (struct thread_resume *resume_info, size_t n); |
ce3a066d | 93 | |
5b1c542e | 94 | /* Wait for the inferior process or thread to change state. Store |
95954743 PA |
95 | status through argument pointer STATUS. |
96 | ||
97 | PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to | |
98 | wait for any thread of process pid to do something. Return ptid | |
99 | of child, or -1 in case of error; store status through argument | |
100 | pointer STATUS. OPTIONS is a bit set of options defined as | |
101 | TARGET_W* above. If options contains TARGET_WNOHANG and there's | |
102 | no child stop to report, return is | |
103 | null_ptid/TARGET_WAITKIND_IGNORE. */ | |
ce3a066d | 104 | |
95954743 | 105 | ptid_t (*wait) (ptid_t ptid, struct target_waitstatus *status, int options); |
ce3a066d DJ |
106 | |
107 | /* Fetch registers from the inferior process. | |
108 | ||
109 | If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ | |
110 | ||
442ea881 | 111 | void (*fetch_registers) (struct regcache *regcache, int regno); |
aa691b87 | 112 | |
ce3a066d DJ |
113 | /* Store registers to the inferior process. |
114 | ||
115 | If REGNO is -1, store all registers; otherwise, store at least REGNO. */ | |
116 | ||
442ea881 | 117 | void (*store_registers) (struct regcache *regcache, int regno); |
ce3a066d | 118 | |
90d74c30 PA |
119 | /* Prepare to read or write memory from the inferior process. |
120 | Targets use this to do what is necessary to get the state of the | |
121 | inferior such that it is possible to access memory. | |
122 | ||
123 | This should generally only be called from client facing routines, | |
802e8e6d PA |
124 | such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint |
125 | insertion routine. | |
90d74c30 PA |
126 | |
127 | Like `read_memory' and `write_memory' below, returns 0 on success | |
128 | and errno on failure. */ | |
129 | ||
130 | int (*prepare_to_access_memory) (void); | |
131 | ||
132 | /* Undo the effects of prepare_to_access_memory. */ | |
133 | ||
0146f85b | 134 | void (*done_accessing_memory) (void); |
90d74c30 | 135 | |
611cb4a5 DJ |
136 | /* Read memory from the inferior process. This should generally be |
137 | called through read_inferior_memory, which handles breakpoint shadowing. | |
ce3a066d | 138 | |
c3e735a6 DJ |
139 | Read LEN bytes at MEMADDR into a buffer at MYADDR. |
140 | ||
141 | Returns 0 on success and errno on failure. */ | |
ce3a066d | 142 | |
f450004a | 143 | int (*read_memory) (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
ce3a066d | 144 | |
611cb4a5 | 145 | /* Write memory to the inferior process. This should generally be |
4196ab2a | 146 | called through target_write_memory, which handles breakpoint shadowing. |
ce3a066d DJ |
147 | |
148 | Write LEN bytes from the buffer at MYADDR to MEMADDR. | |
149 | ||
150 | Returns 0 on success and errno on failure. */ | |
151 | ||
f450004a DJ |
152 | int (*write_memory) (CORE_ADDR memaddr, const unsigned char *myaddr, |
153 | int len); | |
2f2893d9 DJ |
154 | |
155 | /* Query GDB for the values of any symbols we're interested in. | |
156 | This function is called whenever we receive a "qSymbols::" | |
157 | query, which corresponds to every time more symbols (might) | |
611cb4a5 DJ |
158 | become available. NULL if we aren't interested in any |
159 | symbols. */ | |
2f2893d9 DJ |
160 | |
161 | void (*look_up_symbols) (void); | |
e5379b03 | 162 | |
ef57601b PA |
163 | /* Send an interrupt request to the inferior process, |
164 | however is appropriate. */ | |
165 | ||
166 | void (*request_interrupt) (void); | |
aa691b87 RM |
167 | |
168 | /* Read auxiliary vector data from the inferior process. | |
169 | ||
170 | Read LEN bytes at OFFSET into a buffer at MYADDR. */ | |
171 | ||
f450004a DJ |
172 | int (*read_auxv) (CORE_ADDR offset, unsigned char *myaddr, |
173 | unsigned int len); | |
e013ee27 | 174 | |
802e8e6d PA |
175 | /* Returns true if GDB Z breakpoint type TYPE is supported, false |
176 | otherwise. The type is coded as follows: | |
c6314022 AR |
177 | '0' - software-breakpoint |
178 | '1' - hardware-breakpoint | |
179 | '2' - write watchpoint | |
180 | '3' - read watchpoint | |
802e8e6d PA |
181 | '4' - access watchpoint |
182 | */ | |
183 | int (*supports_z_point_type) (char z_type); | |
184 | ||
185 | /* Insert and remove a break or watchpoint. | |
186 | Returns 0 on success, -1 on failure and 1 on unsupported. */ | |
e013ee27 | 187 | |
802e8e6d PA |
188 | int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
189 | int size, struct raw_breakpoint *bp); | |
190 | int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, | |
191 | int size, struct raw_breakpoint *bp); | |
e013ee27 | 192 | |
1ec68e26 PA |
193 | /* Returns 1 if the target stopped because it executed a software |
194 | breakpoint instruction, 0 otherwise. */ | |
195 | int (*stopped_by_sw_breakpoint) (void); | |
196 | ||
197 | /* Returns true if the target knows whether a trap was caused by a | |
198 | SW breakpoint triggering. */ | |
199 | int (*supports_stopped_by_sw_breakpoint) (void); | |
200 | ||
201 | /* Returns 1 if the target stopped for a hardware breakpoint. */ | |
202 | int (*stopped_by_hw_breakpoint) (void); | |
203 | ||
204 | /* Returns true if the target knows whether a trap was caused by a | |
205 | HW breakpoint triggering. */ | |
206 | int (*supports_stopped_by_hw_breakpoint) (void); | |
207 | ||
70b90b91 YQ |
208 | /* Returns true if the target can do hardware single step. */ |
209 | int (*supports_hardware_single_step) (void); | |
45614f15 | 210 | |
e013ee27 OF |
211 | /* Returns 1 if target was stopped due to a watchpoint hit, 0 otherwise. */ |
212 | ||
213 | int (*stopped_by_watchpoint) (void); | |
214 | ||
1b3f6016 | 215 | /* Returns the address associated with the watchpoint that hit, if any; |
e013ee27 OF |
216 | returns 0 otherwise. */ |
217 | ||
218 | CORE_ADDR (*stopped_data_address) (void); | |
219 | ||
52fb6437 NS |
220 | /* Reports the text, data offsets of the executable. This is |
221 | needed for uclinux where the executable is relocated during load | |
222 | time. */ | |
1b3f6016 | 223 | |
52fb6437 | 224 | int (*read_offsets) (CORE_ADDR *text, CORE_ADDR *data); |
dae5f5cf DJ |
225 | |
226 | /* Fetch the address associated with a specific thread local storage | |
227 | area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. | |
228 | Stores it in *ADDRESS and returns zero on success; otherwise returns | |
229 | an error code. A return value of -1 means this system does not | |
230 | support the operation. */ | |
231 | ||
232 | int (*get_tls_address) (struct thread_info *thread, CORE_ADDR offset, | |
233 | CORE_ADDR load_module, CORE_ADDR *address); | |
23181151 | 234 | |
59a016f0 PA |
235 | /* Fill BUF with an hostio error packet representing the last hostio |
236 | error. */ | |
237 | void (*hostio_last_error) (char *buf); | |
07e059b5 VP |
238 | |
239 | /* Read/Write OS data using qXfer packets. */ | |
240 | int (*qxfer_osdata) (const char *annex, unsigned char *readbuf, | |
1b3f6016 | 241 | unsigned const char *writebuf, CORE_ADDR offset, |
07e059b5 | 242 | int len); |
4aa995e1 PA |
243 | |
244 | /* Read/Write extra signal info. */ | |
245 | int (*qxfer_siginfo) (const char *annex, unsigned char *readbuf, | |
246 | unsigned const char *writebuf, | |
247 | CORE_ADDR offset, int len); | |
bd99dc85 PA |
248 | |
249 | int (*supports_non_stop) (void); | |
250 | ||
251 | /* Enables async target events. Returns the previous enable | |
252 | state. */ | |
253 | int (*async) (int enable); | |
254 | ||
255 | /* Switch to non-stop (1) or all-stop (0) mode. Return 0 on | |
256 | success, -1 otherwise. */ | |
257 | int (*start_non_stop) (int); | |
cf8fd78b PA |
258 | |
259 | /* Returns true if the target supports multi-process debugging. */ | |
260 | int (*supports_multi_process) (void); | |
cdbfd419 | 261 | |
89245bc0 DB |
262 | /* Returns true if fork events are supported. */ |
263 | int (*supports_fork_events) (void); | |
264 | ||
265 | /* Returns true if vfork events are supported. */ | |
266 | int (*supports_vfork_events) (void); | |
267 | ||
94585166 DB |
268 | /* Returns true if exec events are supported. */ |
269 | int (*supports_exec_events) (void); | |
270 | ||
de0d863e DB |
271 | /* Allows target to re-initialize connection-specific settings. */ |
272 | void (*handle_new_gdb_connection) (void); | |
273 | ||
cdbfd419 PP |
274 | /* If not NULL, target-specific routine to process monitor command. |
275 | Returns 1 if handled, or 0 to perform default processing. */ | |
276 | int (*handle_monitor_command) (char *); | |
dc146f7c VP |
277 | |
278 | /* Returns the core given a thread, or -1 if not known. */ | |
279 | int (*core_of_thread) (ptid_t); | |
1570b33e | 280 | |
78d85199 YQ |
281 | /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ |
282 | int (*read_loadmap) (const char *annex, CORE_ADDR offset, | |
881127c9 | 283 | unsigned char *myaddr, unsigned int len); |
78d85199 | 284 | |
06e03fff PA |
285 | /* Target specific qSupported support. FEATURES is an array of |
286 | features with COUNT elements. */ | |
287 | void (*process_qsupported) (char **features, int count); | |
219f2f23 PA |
288 | |
289 | /* Return 1 if the target supports tracepoints, 0 (or leave the | |
290 | callback NULL) otherwise. */ | |
291 | int (*supports_tracepoints) (void); | |
292 | ||
293 | /* Read PC from REGCACHE. */ | |
294 | CORE_ADDR (*read_pc) (struct regcache *regcache); | |
295 | ||
296 | /* Write PC to REGCACHE. */ | |
297 | void (*write_pc) (struct regcache *regcache, CORE_ADDR pc); | |
8336d594 PA |
298 | |
299 | /* Return true if THREAD is known to be stopped now. */ | |
300 | int (*thread_stopped) (struct thread_info *thread); | |
301 | ||
711e434b PM |
302 | /* Read Thread Information Block address. */ |
303 | int (*get_tib_address) (ptid_t ptid, CORE_ADDR *address); | |
7984d532 | 304 | |
609086b1 | 305 | /* Pause all threads. If FREEZE, arrange for any resume attempt to |
7984d532 PA |
306 | be ignored until an unpause_all call unfreezes threads again. |
307 | There can be nested calls to pause_all, so a freeze counter | |
308 | should be maintained. */ | |
309 | void (*pause_all) (int freeze); | |
310 | ||
311 | /* Unpause all threads. Threads that hadn't been resumed by the | |
312 | client should be left stopped. Basically a pause/unpause call | |
313 | pair should not end up resuming threads that were stopped before | |
314 | the pause call. */ | |
315 | void (*unpause_all) (int unfreeze); | |
316 | ||
fa593d66 PA |
317 | /* Stabilize all threads. That is, force them out of jump pads. */ |
318 | void (*stabilize_threads) (void); | |
319 | ||
320 | /* Install a fast tracepoint jump pad. TPOINT is the address of the | |
321 | tracepoint internal object as used by the IPA agent. TPADDR is | |
322 | the address of tracepoint. COLLECTOR is address of the function | |
323 | the jump pad redirects to. LOCKADDR is the address of the jump | |
324 | pad lock object. ORIG_SIZE is the size in bytes of the | |
325 | instruction at TPADDR. JUMP_ENTRY points to the address of the | |
326 | jump pad entry, and on return holds the address past the end of | |
405f8e94 SS |
327 | the created jump pad. If a trampoline is created by the function, |
328 | then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of | |
329 | the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a | |
330 | buffer containing a copy of the instruction at TPADDR. | |
331 | ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that | |
332 | return the address range where the instruction at TPADDR was relocated | |
333 | to. If an error occurs, the ERR may be used to pass on an error | |
334 | message. */ | |
fa593d66 PA |
335 | int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr, |
336 | CORE_ADDR collector, | |
337 | CORE_ADDR lockaddr, | |
338 | ULONGEST orig_size, | |
339 | CORE_ADDR *jump_entry, | |
405f8e94 SS |
340 | CORE_ADDR *trampoline, |
341 | ULONGEST *trampoline_size, | |
fa593d66 PA |
342 | unsigned char *jjump_pad_insn, |
343 | ULONGEST *jjump_pad_insn_size, | |
344 | CORE_ADDR *adjusted_insn_addr, | |
405f8e94 SS |
345 | CORE_ADDR *adjusted_insn_addr_end, |
346 | char *err); | |
6a271cae PA |
347 | |
348 | /* Return the bytecode operations vector for the current inferior. | |
349 | Returns NULL if bytecode compilation is not supported. */ | |
350 | struct emit_ops *(*emit_ops) (void); | |
03583c20 UW |
351 | |
352 | /* Returns true if the target supports disabling randomization. */ | |
353 | int (*supports_disable_randomization) (void); | |
405f8e94 SS |
354 | |
355 | /* Return the minimum length of an instruction that can be safely overwritten | |
356 | for use as a fast tracepoint. */ | |
357 | int (*get_min_fast_tracepoint_insn_len) (void); | |
2268b414 JK |
358 | |
359 | /* Read solib info on SVR4 platforms. */ | |
360 | int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf, | |
361 | unsigned const char *writebuf, | |
362 | CORE_ADDR offset, int len); | |
d1feda86 YQ |
363 | |
364 | /* Return true if target supports debugging agent. */ | |
365 | int (*supports_agent) (void); | |
9accd112 | 366 | |
f4abbc16 MM |
367 | /* Enable branch tracing for PTID based on CONF and allocate a branch trace |
368 | target information struct for reading and for disabling branch trace. */ | |
369 | struct btrace_target_info *(*enable_btrace) | |
370 | (ptid_t ptid, const struct btrace_config *conf); | |
9accd112 | 371 | |
969c39fb MM |
372 | /* Disable branch tracing. |
373 | Returns zero on success, non-zero otherwise. */ | |
9accd112 MM |
374 | int (*disable_btrace) (struct btrace_target_info *tinfo); |
375 | ||
add67df8 | 376 | /* Read branch trace data into buffer. |
969c39fb MM |
377 | Return 0 on success; print an error message into BUFFER and return -1, |
378 | otherwise. */ | |
add67df8 PA |
379 | int (*read_btrace) (struct btrace_target_info *, struct buffer *, |
380 | enum btrace_read_type type); | |
9accd112 | 381 | |
f4abbc16 MM |
382 | /* Read the branch trace configuration into BUFFER. |
383 | Return 0 on success; print an error message into BUFFER and return -1 | |
384 | otherwise. */ | |
385 | int (*read_btrace_conf) (const struct btrace_target_info *, struct buffer *); | |
386 | ||
c2d6af84 PA |
387 | /* Return true if target supports range stepping. */ |
388 | int (*supports_range_stepping) (void); | |
e57f1de3 GB |
389 | |
390 | /* Return the full absolute name of the executable file that was | |
391 | run to create the process PID. If the executable file cannot | |
392 | be determined, NULL is returned. Otherwise, a pointer to a | |
393 | character string containing the pathname is returned. This | |
394 | string should be copied into a buffer by the client if the string | |
395 | will not be immediately used, or if it must persist. */ | |
396 | char *(*pid_to_exec_file) (int pid); | |
14d2069a GB |
397 | |
398 | /* Multiple-filesystem-aware open. Like open(2), but operating in | |
399 | the filesystem as it appears to process PID. Systems where all | |
400 | processes share a common filesystem should set this to NULL. | |
401 | If NULL, the caller should fall back to open(2). */ | |
402 | int (*multifs_open) (int pid, const char *filename, | |
403 | int flags, mode_t mode); | |
404 | ||
405 | /* Multiple-filesystem-aware unlink. Like unlink(2), but operates | |
406 | in the filesystem as it appears to process PID. Systems where | |
407 | all processes share a common filesystem should set this to NULL. | |
408 | If NULL, the caller should fall back to unlink(2). */ | |
409 | int (*multifs_unlink) (int pid, const char *filename); | |
410 | ||
411 | /* Multiple-filesystem-aware readlink. Like readlink(2), but | |
412 | operating in the filesystem as it appears to process PID. | |
413 | Systems where all processes share a common filesystem should | |
414 | set this to NULL. If NULL, the caller should fall back to | |
415 | readlink(2). */ | |
416 | ssize_t (*multifs_readlink) (int pid, const char *filename, | |
417 | char *buf, size_t bufsiz); | |
dd373349 AT |
418 | |
419 | /* Return the breakpoint kind for this target based on PC. The PCPTR is | |
420 | adjusted to the real memory location in case a flag (e.g., the Thumb bit on | |
421 | ARM) was present in the PC. */ | |
422 | int (*breakpoint_kind_from_pc) (CORE_ADDR *pcptr); | |
423 | ||
424 | /* Return the software breakpoint from KIND. KIND can have target | |
425 | specific meaning like the Z0 kind parameter. | |
426 | SIZE is set to the software breakpoint's length in memory. */ | |
427 | const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size); | |
79efa585 SM |
428 | |
429 | /* Return the thread's name, or NULL if the target is unable to determine it. | |
430 | The returned value must not be freed by the caller. */ | |
431 | const char *(*thread_name) (ptid_t thread); | |
769ef81f AT |
432 | |
433 | /* Return the breakpoint kind for this target based on the current | |
434 | processor state (e.g. the current instruction mode on ARM) and the | |
435 | PC. The PCPTR is adjusted to the real memory location in case a flag | |
436 | (e.g., the Thumb bit on ARM) is present in the PC. */ | |
437 | int (*breakpoint_kind_from_current_state) (CORE_ADDR *pcptr); | |
7d00775e AT |
438 | |
439 | /* Returns true if the target can software single step. */ | |
440 | int (*supports_software_single_step) (void); | |
82075af2 JS |
441 | |
442 | /* Return 1 if the target supports catch syscall, 0 (or leave the | |
443 | callback NULL) otherwise. */ | |
444 | int (*supports_catch_syscall) (void); | |
ae91f625 MK |
445 | |
446 | /* Return tdesc index for IPA. */ | |
447 | int (*get_ipa_tdesc_idx) (void); | |
f6327dcb KB |
448 | |
449 | /* Thread ID to (numeric) thread handle: Return true on success and | |
450 | false for failure. Return pointer to thread handle via HANDLE | |
451 | and the handle's length via HANDLE_LEN. */ | |
452 | bool (*thread_handle) (ptid_t ptid, gdb_byte **handle, int *handle_len); | |
5ef9273d TBA |
453 | |
454 | /* The object that will gradually replace this struct. */ | |
455 | process_target *pt; | |
456 | }; | |
457 | ||
458 | class process_target | |
459 | { | |
460 | public: | |
461 | ||
462 | virtual ~process_target () = default; | |
15295543 TBA |
463 | |
464 | /* Start a new process. | |
465 | ||
466 | PROGRAM is a path to the program to execute. | |
467 | PROGRAM_ARGS is a standard NULL-terminated array of arguments, | |
468 | to be passed to the inferior as ``argv'' (along with PROGRAM). | |
469 | ||
470 | Returns the new PID on success, -1 on failure. Registers the new | |
471 | process with the process list. */ | |
472 | virtual int create_inferior (const char *program, | |
473 | const std::vector<char *> &program_args) = 0; | |
6dee9afb TBA |
474 | |
475 | /* Do additional setup after a new process is created, including | |
476 | exec-wrapper completion. */ | |
477 | virtual void post_create_inferior (); | |
ef03dad8 TBA |
478 | |
479 | /* Attach to a running process. | |
480 | ||
481 | PID is the process ID to attach to, specified by the user | |
482 | or a higher layer. | |
483 | ||
484 | Returns -1 if attaching is unsupported, 0 on success, and calls | |
485 | error() otherwise. */ | |
486 | virtual int attach (unsigned long pid) = 0; | |
c6885a57 TBA |
487 | |
488 | /* Kill process PROC. Return -1 on failure, and 0 on success. */ | |
489 | virtual int kill (process_info *proc) = 0; | |
ce3a066d DJ |
490 | }; |
491 | ||
5b6d1e4f | 492 | extern process_stratum_target *the_target; |
ce3a066d | 493 | |
5b6d1e4f | 494 | void set_target_ops (process_stratum_target *); |
ce3a066d | 495 | |
15295543 TBA |
496 | #define target_create_inferior(program, program_args) \ |
497 | the_target->pt->create_inferior (program, program_args) | |
ce3a066d | 498 | |
ece66d65 | 499 | #define target_post_create_inferior() \ |
6dee9afb | 500 | the_target->pt->post_create_inferior () |
c06cbd92 | 501 | |
ce3a066d | 502 | #define myattach(pid) \ |
ef03dad8 | 503 | the_target->pt->attach (pid) |
ce3a066d | 504 | |
a780ef4f | 505 | int kill_inferior (process_info *proc); |
ce3a066d | 506 | |
89245bc0 DB |
507 | #define target_supports_fork_events() \ |
508 | (the_target->supports_fork_events ? \ | |
509 | (*the_target->supports_fork_events) () : 0) | |
510 | ||
511 | #define target_supports_vfork_events() \ | |
512 | (the_target->supports_vfork_events ? \ | |
513 | (*the_target->supports_vfork_events) () : 0) | |
514 | ||
94585166 DB |
515 | #define target_supports_exec_events() \ |
516 | (the_target->supports_exec_events ? \ | |
517 | (*the_target->supports_exec_events) () : 0) | |
518 | ||
452003ef PA |
519 | #define target_handle_new_gdb_connection() \ |
520 | do \ | |
521 | { \ | |
522 | if (the_target->handle_new_gdb_connection != NULL) \ | |
523 | (*the_target->handle_new_gdb_connection) (); \ | |
524 | } while (0) | |
de0d863e | 525 | |
ef2ddb33 PA |
526 | #define detach_inferior(proc) \ |
527 | (*the_target->detach) (proc) | |
6ad8ae5c | 528 | |
ce3a066d DJ |
529 | #define mythread_alive(pid) \ |
530 | (*the_target->thread_alive) (pid) | |
531 | ||
442ea881 PA |
532 | #define fetch_inferior_registers(regcache, regno) \ |
533 | (*the_target->fetch_registers) (regcache, regno) | |
ce3a066d | 534 | |
442ea881 PA |
535 | #define store_inferior_registers(regcache, regno) \ |
536 | (*the_target->store_registers) (regcache, regno) | |
ce3a066d | 537 | |
d105de22 TT |
538 | #define join_inferior(pid) \ |
539 | (*the_target->join) (pid) | |
444d6139 | 540 | |
bd99dc85 PA |
541 | #define target_supports_non_stop() \ |
542 | (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0) | |
543 | ||
544 | #define target_async(enable) \ | |
545 | (the_target->async ? (*the_target->async) (enable) : 0) | |
546 | ||
06e03fff | 547 | #define target_process_qsupported(features, count) \ |
8336d594 PA |
548 | do \ |
549 | { \ | |
550 | if (the_target->process_qsupported) \ | |
06e03fff | 551 | the_target->process_qsupported (features, count); \ |
8336d594 | 552 | } while (0) |
1570b33e | 553 | |
82075af2 JS |
554 | #define target_supports_catch_syscall() \ |
555 | (the_target->supports_catch_syscall ? \ | |
556 | (*the_target->supports_catch_syscall) () : 0) | |
557 | ||
ae91f625 MK |
558 | #define target_get_ipa_tdesc_idx() \ |
559 | (the_target->get_ipa_tdesc_idx \ | |
560 | ? (*the_target->get_ipa_tdesc_idx) () : 0) | |
561 | ||
219f2f23 PA |
562 | #define target_supports_tracepoints() \ |
563 | (the_target->supports_tracepoints \ | |
564 | ? (*the_target->supports_tracepoints) () : 0) | |
565 | ||
fa593d66 PA |
566 | #define target_supports_fast_tracepoints() \ |
567 | (the_target->install_fast_tracepoint_jump_pad != NULL) | |
568 | ||
405f8e94 SS |
569 | #define target_get_min_fast_tracepoint_insn_len() \ |
570 | (the_target->get_min_fast_tracepoint_insn_len \ | |
571 | ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0) | |
572 | ||
8336d594 PA |
573 | #define thread_stopped(thread) \ |
574 | (*the_target->thread_stopped) (thread) | |
575 | ||
7984d532 PA |
576 | #define pause_all(freeze) \ |
577 | do \ | |
578 | { \ | |
579 | if (the_target->pause_all) \ | |
580 | (*the_target->pause_all) (freeze); \ | |
581 | } while (0) | |
582 | ||
583 | #define unpause_all(unfreeze) \ | |
584 | do \ | |
585 | { \ | |
586 | if (the_target->unpause_all) \ | |
587 | (*the_target->unpause_all) (unfreeze); \ | |
588 | } while (0) | |
589 | ||
fa593d66 PA |
590 | #define stabilize_threads() \ |
591 | do \ | |
592 | { \ | |
593 | if (the_target->stabilize_threads) \ | |
594 | (*the_target->stabilize_threads) (); \ | |
595 | } while (0) | |
596 | ||
597 | #define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ | |
598 | collector, lockaddr, \ | |
599 | orig_size, \ | |
405f8e94 SS |
600 | jump_entry, \ |
601 | trampoline, trampoline_size, \ | |
602 | jjump_pad_insn, \ | |
fa593d66 PA |
603 | jjump_pad_insn_size, \ |
604 | adjusted_insn_addr, \ | |
405f8e94 SS |
605 | adjusted_insn_addr_end, \ |
606 | err) \ | |
fa593d66 PA |
607 | (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \ |
608 | collector,lockaddr, \ | |
609 | orig_size, jump_entry, \ | |
405f8e94 SS |
610 | trampoline, \ |
611 | trampoline_size, \ | |
fa593d66 PA |
612 | jjump_pad_insn, \ |
613 | jjump_pad_insn_size, \ | |
614 | adjusted_insn_addr, \ | |
405f8e94 SS |
615 | adjusted_insn_addr_end, \ |
616 | err) | |
fa593d66 | 617 | |
6a271cae PA |
618 | #define target_emit_ops() \ |
619 | (the_target->emit_ops ? (*the_target->emit_ops) () : NULL) | |
620 | ||
03583c20 UW |
621 | #define target_supports_disable_randomization() \ |
622 | (the_target->supports_disable_randomization ? \ | |
623 | (*the_target->supports_disable_randomization) () : 0) | |
624 | ||
d1feda86 YQ |
625 | #define target_supports_agent() \ |
626 | (the_target->supports_agent ? \ | |
627 | (*the_target->supports_agent) () : 0) | |
628 | ||
b1223e78 MM |
629 | static inline struct btrace_target_info * |
630 | target_enable_btrace (ptid_t ptid, const struct btrace_config *conf) | |
631 | { | |
632 | if (the_target->enable_btrace == nullptr) | |
633 | error (_("Target does not support branch tracing.")); | |
634 | ||
635 | return (*the_target->enable_btrace) (ptid, conf); | |
636 | } | |
637 | ||
638 | static inline int | |
639 | target_disable_btrace (struct btrace_target_info *tinfo) | |
640 | { | |
641 | if (the_target->disable_btrace == nullptr) | |
642 | error (_("Target does not support branch tracing.")); | |
9accd112 | 643 | |
b1223e78 MM |
644 | return (*the_target->disable_btrace) (tinfo); |
645 | } | |
9accd112 | 646 | |
b1223e78 MM |
647 | static inline int |
648 | target_read_btrace (struct btrace_target_info *tinfo, | |
649 | struct buffer *buffer, | |
650 | enum btrace_read_type type) | |
651 | { | |
652 | if (the_target->read_btrace == nullptr) | |
653 | error (_("Target does not support branch tracing.")); | |
654 | ||
655 | return (*the_target->read_btrace) (tinfo, buffer, type); | |
656 | } | |
657 | ||
658 | static inline int | |
659 | target_read_btrace_conf (struct btrace_target_info *tinfo, | |
660 | struct buffer *buffer) | |
661 | { | |
662 | if (the_target->read_btrace_conf == nullptr) | |
663 | error (_("Target does not support branch tracing.")); | |
9accd112 | 664 | |
b1223e78 MM |
665 | return (*the_target->read_btrace_conf) (tinfo, buffer); |
666 | } | |
f4abbc16 | 667 | |
c2d6af84 PA |
668 | #define target_supports_range_stepping() \ |
669 | (the_target->supports_range_stepping ? \ | |
670 | (*the_target->supports_range_stepping) () : 0) | |
671 | ||
1ec68e26 PA |
672 | #define target_supports_stopped_by_sw_breakpoint() \ |
673 | (the_target->supports_stopped_by_sw_breakpoint ? \ | |
674 | (*the_target->supports_stopped_by_sw_breakpoint) () : 0) | |
675 | ||
676 | #define target_stopped_by_sw_breakpoint() \ | |
677 | (the_target->stopped_by_sw_breakpoint ? \ | |
678 | (*the_target->stopped_by_sw_breakpoint) () : 0) | |
679 | ||
680 | #define target_supports_stopped_by_hw_breakpoint() \ | |
681 | (the_target->supports_stopped_by_hw_breakpoint ? \ | |
682 | (*the_target->supports_stopped_by_hw_breakpoint) () : 0) | |
683 | ||
70b90b91 YQ |
684 | #define target_supports_hardware_single_step() \ |
685 | (the_target->supports_hardware_single_step ? \ | |
686 | (*the_target->supports_hardware_single_step) () : 0) | |
45614f15 | 687 | |
1ec68e26 PA |
688 | #define target_stopped_by_hw_breakpoint() \ |
689 | (the_target->stopped_by_hw_breakpoint ? \ | |
690 | (*the_target->stopped_by_hw_breakpoint) () : 0) | |
691 | ||
2e6ee069 AT |
692 | #define target_breakpoint_kind_from_pc(pcptr) \ |
693 | (the_target->breakpoint_kind_from_pc \ | |
694 | ? (*the_target->breakpoint_kind_from_pc) (pcptr) \ | |
695 | : default_breakpoint_kind_from_pc (pcptr)) | |
696 | ||
769ef81f AT |
697 | #define target_breakpoint_kind_from_current_state(pcptr) \ |
698 | (the_target->breakpoint_kind_from_current_state \ | |
699 | ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \ | |
700 | : target_breakpoint_kind_from_pc (pcptr)) | |
701 | ||
7d00775e AT |
702 | #define target_supports_software_single_step() \ |
703 | (the_target->supports_software_single_step ? \ | |
704 | (*the_target->supports_software_single_step) () : 0) | |
705 | ||
bd99dc85 PA |
706 | /* Start non-stop mode, returns 0 on success, -1 on failure. */ |
707 | ||
708 | int start_non_stop (int nonstop); | |
709 | ||
95954743 PA |
710 | ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, |
711 | int connected_wait); | |
0d62e5e8 | 712 | |
a67a9fae | 713 | /* Prepare to read or write memory from the inferior process. See the |
5b6d1e4f | 714 | corresponding process_stratum_target methods for more details. */ |
90d74c30 | 715 | |
a67a9fae PA |
716 | int prepare_to_access_memory (void); |
717 | void done_accessing_memory (void); | |
90d74c30 | 718 | |
3e10640f YQ |
719 | #define target_core_of_thread(ptid) \ |
720 | (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \ | |
721 | : -1) | |
722 | ||
79efa585 SM |
723 | #define target_thread_name(ptid) \ |
724 | (the_target->thread_name ? (*the_target->thread_name) (ptid) \ | |
725 | : NULL) | |
726 | ||
f6327dcb KB |
727 | #define target_thread_handle(ptid, handle, handle_len) \ |
728 | (the_target->thread_handle ? (*the_target->thread_handle) \ | |
729 | (ptid, handle, handle_len) \ | |
730 | : false) | |
731 | ||
f450004a | 732 | int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
ce3a066d | 733 | |
f557a88a | 734 | int set_desired_thread (); |
ce3a066d | 735 | |
95954743 PA |
736 | const char *target_pid_to_str (ptid_t); |
737 | ||
70b90b91 YQ |
738 | int target_can_do_hardware_single_step (void); |
739 | ||
2e6ee069 AT |
740 | int default_breakpoint_kind_from_pc (CORE_ADDR *pcptr); |
741 | ||
1a5c2598 | 742 | #endif /* GDBSERVER_TARGET_H */ |