1 /* Target operations for the remote server for GDB.
2 Copyright (C) 2002-2020 Free Software Foundation, Inc.
4 Contributed by MontaVista Software.
6 This file is part of GDB.
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
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #ifndef GDBSERVER_TARGET_H
22 #define GDBSERVER_TARGET_H
24 #include <sys/types.h> /* for mode_t */
25 #include "target/target.h"
26 #include "target/resume.h"
27 #include "target/wait.h"
28 #include "target/waitstatus.h"
29 #include "mem-break.h"
30 #include "gdbsupport/btrace-common.h"
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
46 /* How to "resume". */
47 enum resume_kind kind
;
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
52 linux; SuspendThread on win32). This is a host signal value (not
56 /* Range to single step within. Valid only iff KIND is resume_step.
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
62 CORE_ADDR step_range_start
; /* Inclusive */
63 CORE_ADDR step_range_end
; /* Exclusive */
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
71 struct process_stratum_target
73 /* Fetch the address associated with a specific thread local storage
74 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE.
75 Stores it in *ADDRESS and returns zero on success; otherwise returns
76 an error code. A return value of -1 means this system does not
77 support the operation. */
79 int (*get_tls_address
) (struct thread_info
*thread
, CORE_ADDR offset
,
80 CORE_ADDR load_module
, CORE_ADDR
*address
);
82 /* Fill BUF with an hostio error packet representing the last hostio
84 void (*hostio_last_error
) (char *buf
);
86 /* Read/Write OS data using qXfer packets. */
87 int (*qxfer_osdata
) (const char *annex
, unsigned char *readbuf
,
88 unsigned const char *writebuf
, CORE_ADDR offset
,
91 /* Read/Write extra signal info. */
92 int (*qxfer_siginfo
) (const char *annex
, unsigned char *readbuf
,
93 unsigned const char *writebuf
,
94 CORE_ADDR offset
, int len
);
96 int (*supports_non_stop
) (void);
98 /* Enables async target events. Returns the previous enable
100 int (*async
) (int enable
);
102 /* Switch to non-stop (1) or all-stop (0) mode. Return 0 on
103 success, -1 otherwise. */
104 int (*start_non_stop
) (int);
106 /* Returns true if the target supports multi-process debugging. */
107 int (*supports_multi_process
) (void);
109 /* Returns true if fork events are supported. */
110 int (*supports_fork_events
) (void);
112 /* Returns true if vfork events are supported. */
113 int (*supports_vfork_events
) (void);
115 /* Returns true if exec events are supported. */
116 int (*supports_exec_events
) (void);
118 /* Allows target to re-initialize connection-specific settings. */
119 void (*handle_new_gdb_connection
) (void);
121 /* If not NULL, target-specific routine to process monitor command.
122 Returns 1 if handled, or 0 to perform default processing. */
123 int (*handle_monitor_command
) (char *);
125 /* Returns the core given a thread, or -1 if not known. */
126 int (*core_of_thread
) (ptid_t
);
128 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
129 int (*read_loadmap
) (const char *annex
, CORE_ADDR offset
,
130 unsigned char *myaddr
, unsigned int len
);
132 /* Target specific qSupported support. FEATURES is an array of
133 features with COUNT elements. */
134 void (*process_qsupported
) (char **features
, int count
);
136 /* Return 1 if the target supports tracepoints, 0 (or leave the
137 callback NULL) otherwise. */
138 int (*supports_tracepoints
) (void);
140 /* Read PC from REGCACHE. */
141 CORE_ADDR (*read_pc
) (struct regcache
*regcache
);
143 /* Write PC to REGCACHE. */
144 void (*write_pc
) (struct regcache
*regcache
, CORE_ADDR pc
);
146 /* Return true if THREAD is known to be stopped now. */
147 int (*thread_stopped
) (struct thread_info
*thread
);
149 /* Read Thread Information Block address. */
150 int (*get_tib_address
) (ptid_t ptid
, CORE_ADDR
*address
);
152 /* Pause all threads. If FREEZE, arrange for any resume attempt to
153 be ignored until an unpause_all call unfreezes threads again.
154 There can be nested calls to pause_all, so a freeze counter
155 should be maintained. */
156 void (*pause_all
) (int freeze
);
158 /* Unpause all threads. Threads that hadn't been resumed by the
159 client should be left stopped. Basically a pause/unpause call
160 pair should not end up resuming threads that were stopped before
162 void (*unpause_all
) (int unfreeze
);
164 /* Stabilize all threads. That is, force them out of jump pads. */
165 void (*stabilize_threads
) (void);
167 /* Install a fast tracepoint jump pad. TPOINT is the address of the
168 tracepoint internal object as used by the IPA agent. TPADDR is
169 the address of tracepoint. COLLECTOR is address of the function
170 the jump pad redirects to. LOCKADDR is the address of the jump
171 pad lock object. ORIG_SIZE is the size in bytes of the
172 instruction at TPADDR. JUMP_ENTRY points to the address of the
173 jump pad entry, and on return holds the address past the end of
174 the created jump pad. If a trampoline is created by the function,
175 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
176 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
177 buffer containing a copy of the instruction at TPADDR.
178 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
179 return the address range where the instruction at TPADDR was relocated
180 to. If an error occurs, the ERR may be used to pass on an error
182 int (*install_fast_tracepoint_jump_pad
) (CORE_ADDR tpoint
, CORE_ADDR tpaddr
,
186 CORE_ADDR
*jump_entry
,
187 CORE_ADDR
*trampoline
,
188 ULONGEST
*trampoline_size
,
189 unsigned char *jjump_pad_insn
,
190 ULONGEST
*jjump_pad_insn_size
,
191 CORE_ADDR
*adjusted_insn_addr
,
192 CORE_ADDR
*adjusted_insn_addr_end
,
195 /* Return the bytecode operations vector for the current inferior.
196 Returns NULL if bytecode compilation is not supported. */
197 struct emit_ops
*(*emit_ops
) (void);
199 /* Returns true if the target supports disabling randomization. */
200 int (*supports_disable_randomization
) (void);
202 /* Return the minimum length of an instruction that can be safely overwritten
203 for use as a fast tracepoint. */
204 int (*get_min_fast_tracepoint_insn_len
) (void);
206 /* Read solib info on SVR4 platforms. */
207 int (*qxfer_libraries_svr4
) (const char *annex
, unsigned char *readbuf
,
208 unsigned const char *writebuf
,
209 CORE_ADDR offset
, int len
);
211 /* Return true if target supports debugging agent. */
212 int (*supports_agent
) (void);
214 /* Enable branch tracing for PTID based on CONF and allocate a branch trace
215 target information struct for reading and for disabling branch trace. */
216 struct btrace_target_info
*(*enable_btrace
)
217 (ptid_t ptid
, const struct btrace_config
*conf
);
219 /* Disable branch tracing.
220 Returns zero on success, non-zero otherwise. */
221 int (*disable_btrace
) (struct btrace_target_info
*tinfo
);
223 /* Read branch trace data into buffer.
224 Return 0 on success; print an error message into BUFFER and return -1,
226 int (*read_btrace
) (struct btrace_target_info
*, struct buffer
*,
227 enum btrace_read_type type
);
229 /* Read the branch trace configuration into BUFFER.
230 Return 0 on success; print an error message into BUFFER and return -1
232 int (*read_btrace_conf
) (const struct btrace_target_info
*, struct buffer
*);
234 /* Return true if target supports range stepping. */
235 int (*supports_range_stepping
) (void);
237 /* Return the full absolute name of the executable file that was
238 run to create the process PID. If the executable file cannot
239 be determined, NULL is returned. Otherwise, a pointer to a
240 character string containing the pathname is returned. This
241 string should be copied into a buffer by the client if the string
242 will not be immediately used, or if it must persist. */
243 char *(*pid_to_exec_file
) (int pid
);
245 /* Multiple-filesystem-aware open. Like open(2), but operating in
246 the filesystem as it appears to process PID. Systems where all
247 processes share a common filesystem should set this to NULL.
248 If NULL, the caller should fall back to open(2). */
249 int (*multifs_open
) (int pid
, const char *filename
,
250 int flags
, mode_t mode
);
252 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
253 in the filesystem as it appears to process PID. Systems where
254 all processes share a common filesystem should set this to NULL.
255 If NULL, the caller should fall back to unlink(2). */
256 int (*multifs_unlink
) (int pid
, const char *filename
);
258 /* Multiple-filesystem-aware readlink. Like readlink(2), but
259 operating in the filesystem as it appears to process PID.
260 Systems where all processes share a common filesystem should
261 set this to NULL. If NULL, the caller should fall back to
263 ssize_t (*multifs_readlink
) (int pid
, const char *filename
,
264 char *buf
, size_t bufsiz
);
266 /* Return the breakpoint kind for this target based on PC. The PCPTR is
267 adjusted to the real memory location in case a flag (e.g., the Thumb bit on
268 ARM) was present in the PC. */
269 int (*breakpoint_kind_from_pc
) (CORE_ADDR
*pcptr
);
271 /* Return the software breakpoint from KIND. KIND can have target
272 specific meaning like the Z0 kind parameter.
273 SIZE is set to the software breakpoint's length in memory. */
274 const gdb_byte
*(*sw_breakpoint_from_kind
) (int kind
, int *size
);
276 /* Return the thread's name, or NULL if the target is unable to determine it.
277 The returned value must not be freed by the caller. */
278 const char *(*thread_name
) (ptid_t thread
);
280 /* Return the breakpoint kind for this target based on the current
281 processor state (e.g. the current instruction mode on ARM) and the
282 PC. The PCPTR is adjusted to the real memory location in case a flag
283 (e.g., the Thumb bit on ARM) is present in the PC. */
284 int (*breakpoint_kind_from_current_state
) (CORE_ADDR
*pcptr
);
286 /* Returns true if the target can software single step. */
287 int (*supports_software_single_step
) (void);
289 /* Return 1 if the target supports catch syscall, 0 (or leave the
290 callback NULL) otherwise. */
291 int (*supports_catch_syscall
) (void);
293 /* Return tdesc index for IPA. */
294 int (*get_ipa_tdesc_idx
) (void);
296 /* Thread ID to (numeric) thread handle: Return true on success and
297 false for failure. Return pointer to thread handle via HANDLE
298 and the handle's length via HANDLE_LEN. */
299 bool (*thread_handle
) (ptid_t ptid
, gdb_byte
**handle
, int *handle_len
);
301 /* The object that will gradually replace this struct. */
309 virtual ~process_target () = default;
311 /* Start a new process.
313 PROGRAM is a path to the program to execute.
314 PROGRAM_ARGS is a standard NULL-terminated array of arguments,
315 to be passed to the inferior as ``argv'' (along with PROGRAM).
317 Returns the new PID on success, -1 on failure. Registers the new
318 process with the process list. */
319 virtual int create_inferior (const char *program
,
320 const std::vector
<char *> &program_args
) = 0;
322 /* Do additional setup after a new process is created, including
323 exec-wrapper completion. */
324 virtual void post_create_inferior ();
326 /* Attach to a running process.
328 PID is the process ID to attach to, specified by the user
331 Returns -1 if attaching is unsupported, 0 on success, and calls
332 error() otherwise. */
333 virtual int attach (unsigned long pid
) = 0;
335 /* Kill process PROC. Return -1 on failure, and 0 on success. */
336 virtual int kill (process_info
*proc
) = 0;
338 /* Detach from process PROC. Return -1 on failure, and 0 on
340 virtual int detach (process_info
*proc
) = 0;
342 /* The inferior process has died. Do what is right. */
343 virtual void mourn (process_info
*proc
) = 0;
345 /* Wait for process PID to exit. */
346 virtual void join (int pid
) = 0;
348 /* Return true iff the thread with process ID PID is alive. */
349 virtual bool thread_alive (ptid_t pid
) = 0;
351 /* Resume the inferior process. */
352 virtual void resume (thread_resume
*resume_info
, size_t n
) = 0;
354 /* Wait for the inferior process or thread to change state. Store
355 status through argument pointer STATUS.
357 PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to
358 wait for any thread of process pid to do something. Return ptid
359 of child, or -1 in case of error; store status through argument
360 pointer STATUS. OPTIONS is a bit set of options defined as
361 TARGET_W* above. If options contains TARGET_WNOHANG and there's
362 no child stop to report, return is
363 null_ptid/TARGET_WAITKIND_IGNORE. */
364 virtual ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
367 /* Fetch registers from the inferior process.
369 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */
370 virtual void fetch_registers (regcache
*regcache
, int regno
) = 0;
372 /* Store registers to the inferior process.
374 If REGNO is -1, store all registers; otherwise, store at least REGNO. */
375 virtual void store_registers (regcache
*regcache
, int regno
) = 0;
377 /* Prepare to read or write memory from the inferior process.
378 Targets use this to do what is necessary to get the state of the
379 inferior such that it is possible to access memory.
381 This should generally only be called from client facing routines,
382 such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint
385 Like `read_memory' and `write_memory' below, returns 0 on success
386 and errno on failure. */
387 virtual int prepare_to_access_memory ();
389 /* Undo the effects of prepare_to_access_memory. */
390 virtual void done_accessing_memory ();
392 /* Read memory from the inferior process. This should generally be
393 called through read_inferior_memory, which handles breakpoint shadowing.
395 Read LEN bytes at MEMADDR into a buffer at MYADDR.
397 Returns 0 on success and errno on failure. */
398 virtual int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
401 /* Write memory to the inferior process. This should generally be
402 called through target_write_memory, which handles breakpoint shadowing.
404 Write LEN bytes from the buffer at MYADDR to MEMADDR.
406 Returns 0 on success and errno on failure. */
407 virtual int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
410 /* Query GDB for the values of any symbols we're interested in.
411 This function is called whenever we receive a "qSymbols::"
412 query, which corresponds to every time more symbols (might)
414 virtual void look_up_symbols ();
416 /* Send an interrupt request to the inferior process,
417 however is appropriate. */
418 virtual void request_interrupt () = 0;
420 /* Return true if the read_auxv target op is supported. */
421 virtual bool supports_read_auxv ();
423 /* Read auxiliary vector data from the inferior process.
425 Read LEN bytes at OFFSET into a buffer at MYADDR. */
426 virtual int read_auxv (CORE_ADDR offset
, unsigned char *myaddr
,
429 /* Returns true if GDB Z breakpoint type TYPE is supported, false
430 otherwise. The type is coded as follows:
431 '0' - software-breakpoint
432 '1' - hardware-breakpoint
433 '2' - write watchpoint
434 '3' - read watchpoint
435 '4' - access watchpoint
437 virtual bool supports_z_point_type (char z_type
);
439 /* Insert and remove a break or watchpoint.
440 Returns 0 on success, -1 on failure and 1 on unsupported. */
441 virtual int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
442 int size
, raw_breakpoint
*bp
);
444 virtual int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
445 int size
, raw_breakpoint
*bp
);
447 /* Returns true if the target stopped because it executed a software
448 breakpoint instruction, false otherwise. */
449 virtual bool stopped_by_sw_breakpoint ();
451 /* Returns true if the target knows whether a trap was caused by a
452 SW breakpoint triggering. */
453 virtual bool supports_stopped_by_sw_breakpoint ();
455 /* Returns true if the target stopped for a hardware breakpoint. */
456 virtual bool stopped_by_hw_breakpoint ();
458 /* Returns true if the target knows whether a trap was caused by a
459 HW breakpoint triggering. */
460 virtual bool supports_stopped_by_hw_breakpoint ();
462 /* Returns true if the target can do hardware single step. */
463 virtual bool supports_hardware_single_step ();
465 /* Returns true if target was stopped due to a watchpoint hit, false
467 virtual bool stopped_by_watchpoint ();
469 /* Returns the address associated with the watchpoint that hit, if any;
470 returns 0 otherwise. */
471 virtual CORE_ADDR
stopped_data_address ();
473 /* Return true if the read_offsets target op is supported. */
474 virtual bool supports_read_offsets ();
476 /* Reports the text, data offsets of the executable. This is
477 needed for uclinux where the executable is relocated during load
479 virtual int read_offsets (CORE_ADDR
*text
, CORE_ADDR
*data
);
482 extern process_stratum_target
*the_target
;
484 void set_target_ops (process_stratum_target
*);
486 #define target_create_inferior(program, program_args) \
487 the_target->pt->create_inferior (program, program_args)
489 #define target_post_create_inferior() \
490 the_target->pt->post_create_inferior ()
492 #define myattach(pid) \
493 the_target->pt->attach (pid)
495 int kill_inferior (process_info
*proc
);
497 #define target_supports_fork_events() \
498 (the_target->supports_fork_events ? \
499 (*the_target->supports_fork_events) () : 0)
501 #define target_supports_vfork_events() \
502 (the_target->supports_vfork_events ? \
503 (*the_target->supports_vfork_events) () : 0)
505 #define target_supports_exec_events() \
506 (the_target->supports_exec_events ? \
507 (*the_target->supports_exec_events) () : 0)
509 #define target_handle_new_gdb_connection() \
512 if (the_target->handle_new_gdb_connection != NULL) \
513 (*the_target->handle_new_gdb_connection) (); \
516 #define detach_inferior(proc) \
517 the_target->pt->detach (proc)
519 #define mythread_alive(pid) \
520 the_target->pt->thread_alive (pid)
522 #define fetch_inferior_registers(regcache, regno) \
523 the_target->pt->fetch_registers (regcache, regno)
525 #define store_inferior_registers(regcache, regno) \
526 the_target->pt->store_registers (regcache, regno)
528 #define join_inferior(pid) \
529 the_target->pt->join (pid)
531 #define target_supports_non_stop() \
532 (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0)
534 #define target_async(enable) \
535 (the_target->async ? (*the_target->async) (enable) : 0)
537 #define target_process_qsupported(features, count) \
540 if (the_target->process_qsupported) \
541 the_target->process_qsupported (features, count); \
544 #define target_supports_catch_syscall() \
545 (the_target->supports_catch_syscall ? \
546 (*the_target->supports_catch_syscall) () : 0)
548 #define target_get_ipa_tdesc_idx() \
549 (the_target->get_ipa_tdesc_idx \
550 ? (*the_target->get_ipa_tdesc_idx) () : 0)
552 #define target_supports_tracepoints() \
553 (the_target->supports_tracepoints \
554 ? (*the_target->supports_tracepoints) () : 0)
556 #define target_supports_fast_tracepoints() \
557 (the_target->install_fast_tracepoint_jump_pad != NULL)
559 #define target_get_min_fast_tracepoint_insn_len() \
560 (the_target->get_min_fast_tracepoint_insn_len \
561 ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0)
563 #define thread_stopped(thread) \
564 (*the_target->thread_stopped) (thread)
566 #define pause_all(freeze) \
569 if (the_target->pause_all) \
570 (*the_target->pause_all) (freeze); \
573 #define unpause_all(unfreeze) \
576 if (the_target->unpause_all) \
577 (*the_target->unpause_all) (unfreeze); \
580 #define stabilize_threads() \
583 if (the_target->stabilize_threads) \
584 (*the_target->stabilize_threads) (); \
587 #define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
588 collector, lockaddr, \
591 trampoline, trampoline_size, \
593 jjump_pad_insn_size, \
594 adjusted_insn_addr, \
595 adjusted_insn_addr_end, \
597 (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \
598 collector,lockaddr, \
599 orig_size, jump_entry, \
603 jjump_pad_insn_size, \
604 adjusted_insn_addr, \
605 adjusted_insn_addr_end, \
608 #define target_emit_ops() \
609 (the_target->emit_ops ? (*the_target->emit_ops) () : NULL)
611 #define target_supports_disable_randomization() \
612 (the_target->supports_disable_randomization ? \
613 (*the_target->supports_disable_randomization) () : 0)
615 #define target_supports_agent() \
616 (the_target->supports_agent ? \
617 (*the_target->supports_agent) () : 0)
619 static inline struct btrace_target_info
*
620 target_enable_btrace (ptid_t ptid
, const struct btrace_config
*conf
)
622 if (the_target
->enable_btrace
== nullptr)
623 error (_("Target does not support branch tracing."));
625 return (*the_target
->enable_btrace
) (ptid
, conf
);
629 target_disable_btrace (struct btrace_target_info
*tinfo
)
631 if (the_target
->disable_btrace
== nullptr)
632 error (_("Target does not support branch tracing."));
634 return (*the_target
->disable_btrace
) (tinfo
);
638 target_read_btrace (struct btrace_target_info
*tinfo
,
639 struct buffer
*buffer
,
640 enum btrace_read_type type
)
642 if (the_target
->read_btrace
== nullptr)
643 error (_("Target does not support branch tracing."));
645 return (*the_target
->read_btrace
) (tinfo
, buffer
, type
);
649 target_read_btrace_conf (struct btrace_target_info
*tinfo
,
650 struct buffer
*buffer
)
652 if (the_target
->read_btrace_conf
== nullptr)
653 error (_("Target does not support branch tracing."));
655 return (*the_target
->read_btrace_conf
) (tinfo
, buffer
);
658 #define target_supports_range_stepping() \
659 (the_target->supports_range_stepping ? \
660 (*the_target->supports_range_stepping) () : 0)
662 #define target_supports_stopped_by_sw_breakpoint() \
663 the_target->pt->supports_stopped_by_sw_breakpoint ()
665 #define target_stopped_by_sw_breakpoint() \
666 the_target->pt->stopped_by_sw_breakpoint ()
668 #define target_supports_stopped_by_hw_breakpoint() \
669 the_target->pt->supports_stopped_by_hw_breakpoint ()
671 #define target_supports_hardware_single_step() \
672 the_target->pt->supports_hardware_single_step ()
674 #define target_stopped_by_hw_breakpoint() \
675 the_target->pt->stopped_by_hw_breakpoint ()
677 #define target_breakpoint_kind_from_pc(pcptr) \
678 (the_target->breakpoint_kind_from_pc \
679 ? (*the_target->breakpoint_kind_from_pc) (pcptr) \
680 : default_breakpoint_kind_from_pc (pcptr))
682 #define target_breakpoint_kind_from_current_state(pcptr) \
683 (the_target->breakpoint_kind_from_current_state \
684 ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \
685 : target_breakpoint_kind_from_pc (pcptr))
687 #define target_supports_software_single_step() \
688 (the_target->supports_software_single_step ? \
689 (*the_target->supports_software_single_step) () : 0)
691 /* Start non-stop mode, returns 0 on success, -1 on failure. */
693 int start_non_stop (int nonstop
);
695 ptid_t
mywait (ptid_t ptid
, struct target_waitstatus
*ourstatus
, int options
,
698 /* Prepare to read or write memory from the inferior process. See the
699 corresponding process_stratum_target methods for more details. */
701 int prepare_to_access_memory (void);
702 void done_accessing_memory (void);
704 #define target_core_of_thread(ptid) \
705 (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \
708 #define target_thread_name(ptid) \
709 (the_target->thread_name ? (*the_target->thread_name) (ptid) \
712 #define target_thread_handle(ptid, handle, handle_len) \
713 (the_target->thread_handle ? (*the_target->thread_handle) \
714 (ptid, handle, handle_len) \
717 int read_inferior_memory (CORE_ADDR memaddr
, unsigned char *myaddr
, int len
);
719 int set_desired_thread ();
721 const char *target_pid_to_str (ptid_t
);
723 int default_breakpoint_kind_from_pc (CORE_ADDR
*pcptr
);
725 #endif /* GDBSERVER_TARGET_H */