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 /* Return tdesc index for IPA. */
74 int (*get_ipa_tdesc_idx
) (void);
76 /* The object that will gradually replace this struct. */
84 virtual ~process_target () = default;
86 /* Start a new process.
88 PROGRAM is a path to the program to execute.
89 PROGRAM_ARGS is a standard NULL-terminated array of arguments,
90 to be passed to the inferior as ``argv'' (along with PROGRAM).
92 Returns the new PID on success, -1 on failure. Registers the new
93 process with the process list. */
94 virtual int create_inferior (const char *program
,
95 const std::vector
<char *> &program_args
) = 0;
97 /* Do additional setup after a new process is created, including
98 exec-wrapper completion. */
99 virtual void post_create_inferior ();
101 /* Attach to a running process.
103 PID is the process ID to attach to, specified by the user
106 Returns -1 if attaching is unsupported, 0 on success, and calls
107 error() otherwise. */
108 virtual int attach (unsigned long pid
) = 0;
110 /* Kill process PROC. Return -1 on failure, and 0 on success. */
111 virtual int kill (process_info
*proc
) = 0;
113 /* Detach from process PROC. Return -1 on failure, and 0 on
115 virtual int detach (process_info
*proc
) = 0;
117 /* The inferior process has died. Do what is right. */
118 virtual void mourn (process_info
*proc
) = 0;
120 /* Wait for process PID to exit. */
121 virtual void join (int pid
) = 0;
123 /* Return true iff the thread with process ID PID is alive. */
124 virtual bool thread_alive (ptid_t pid
) = 0;
126 /* Resume the inferior process. */
127 virtual void resume (thread_resume
*resume_info
, size_t n
) = 0;
129 /* Wait for the inferior process or thread to change state. Store
130 status through argument pointer STATUS.
132 PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to
133 wait for any thread of process pid to do something. Return ptid
134 of child, or -1 in case of error; store status through argument
135 pointer STATUS. OPTIONS is a bit set of options defined as
136 TARGET_W* above. If options contains TARGET_WNOHANG and there's
137 no child stop to report, return is
138 null_ptid/TARGET_WAITKIND_IGNORE. */
139 virtual ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
142 /* Fetch registers from the inferior process.
144 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */
145 virtual void fetch_registers (regcache
*regcache
, int regno
) = 0;
147 /* Store registers to the inferior process.
149 If REGNO is -1, store all registers; otherwise, store at least REGNO. */
150 virtual void store_registers (regcache
*regcache
, int regno
) = 0;
152 /* Prepare to read or write memory from the inferior process.
153 Targets use this to do what is necessary to get the state of the
154 inferior such that it is possible to access memory.
156 This should generally only be called from client facing routines,
157 such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint
160 Like `read_memory' and `write_memory' below, returns 0 on success
161 and errno on failure. */
162 virtual int prepare_to_access_memory ();
164 /* Undo the effects of prepare_to_access_memory. */
165 virtual void done_accessing_memory ();
167 /* Read memory from the inferior process. This should generally be
168 called through read_inferior_memory, which handles breakpoint shadowing.
170 Read LEN bytes at MEMADDR into a buffer at MYADDR.
172 Returns 0 on success and errno on failure. */
173 virtual int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
176 /* Write memory to the inferior process. This should generally be
177 called through target_write_memory, which handles breakpoint shadowing.
179 Write LEN bytes from the buffer at MYADDR to MEMADDR.
181 Returns 0 on success and errno on failure. */
182 virtual int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
185 /* Query GDB for the values of any symbols we're interested in.
186 This function is called whenever we receive a "qSymbols::"
187 query, which corresponds to every time more symbols (might)
189 virtual void look_up_symbols ();
191 /* Send an interrupt request to the inferior process,
192 however is appropriate. */
193 virtual void request_interrupt () = 0;
195 /* Return true if the read_auxv target op is supported. */
196 virtual bool supports_read_auxv ();
198 /* Read auxiliary vector data from the inferior process.
200 Read LEN bytes at OFFSET into a buffer at MYADDR. */
201 virtual int read_auxv (CORE_ADDR offset
, unsigned char *myaddr
,
204 /* Returns true if GDB Z breakpoint type TYPE is supported, false
205 otherwise. The type is coded as follows:
206 '0' - software-breakpoint
207 '1' - hardware-breakpoint
208 '2' - write watchpoint
209 '3' - read watchpoint
210 '4' - access watchpoint
212 virtual bool supports_z_point_type (char z_type
);
214 /* Insert and remove a break or watchpoint.
215 Returns 0 on success, -1 on failure and 1 on unsupported. */
216 virtual int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
217 int size
, raw_breakpoint
*bp
);
219 virtual int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
220 int size
, raw_breakpoint
*bp
);
222 /* Returns true if the target stopped because it executed a software
223 breakpoint instruction, false otherwise. */
224 virtual bool stopped_by_sw_breakpoint ();
226 /* Returns true if the target knows whether a trap was caused by a
227 SW breakpoint triggering. */
228 virtual bool supports_stopped_by_sw_breakpoint ();
230 /* Returns true if the target stopped for a hardware breakpoint. */
231 virtual bool stopped_by_hw_breakpoint ();
233 /* Returns true if the target knows whether a trap was caused by a
234 HW breakpoint triggering. */
235 virtual bool supports_stopped_by_hw_breakpoint ();
237 /* Returns true if the target can do hardware single step. */
238 virtual bool supports_hardware_single_step ();
240 /* Returns true if target was stopped due to a watchpoint hit, false
242 virtual bool stopped_by_watchpoint ();
244 /* Returns the address associated with the watchpoint that hit, if any;
245 returns 0 otherwise. */
246 virtual CORE_ADDR
stopped_data_address ();
248 /* Return true if the read_offsets target op is supported. */
249 virtual bool supports_read_offsets ();
251 /* Reports the text, data offsets of the executable. This is
252 needed for uclinux where the executable is relocated during load
254 virtual int read_offsets (CORE_ADDR
*text
, CORE_ADDR
*data
);
256 /* Return true if the get_tls_address target op is supported. */
257 virtual bool supports_get_tls_address ();
259 /* Fetch the address associated with a specific thread local storage
260 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE.
261 Stores it in *ADDRESS and returns zero on success; otherwise returns
262 an error code. A return value of -1 means this system does not
263 support the operation. */
264 virtual int get_tls_address (thread_info
*thread
, CORE_ADDR offset
,
265 CORE_ADDR load_module
, CORE_ADDR
*address
);
267 /* Fill BUF with an hostio error packet representing the last hostio
269 virtual void hostio_last_error (char *buf
);
271 /* Return true if the qxfer_osdata target op is supported. */
272 virtual bool supports_qxfer_osdata ();
274 /* Read/Write OS data using qXfer packets. */
275 virtual int qxfer_osdata (const char *annex
, unsigned char *readbuf
,
276 unsigned const char *writebuf
,
277 CORE_ADDR offset
, int len
);
279 /* Return true if the qxfer_siginfo target op is supported. */
280 virtual bool supports_qxfer_siginfo ();
282 /* Read/Write extra signal info. */
283 virtual int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
284 unsigned const char *writebuf
,
285 CORE_ADDR offset
, int len
);
287 /* Return true if non-stop mode is supported. */
288 virtual bool supports_non_stop ();
290 /* Enables async target events. Returns the previous enable
292 virtual bool async (bool enable
);
294 /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false)
295 mode. Return 0 on success, -1 otherwise. */
296 virtual int start_non_stop (bool enable
);
298 /* Returns true if the target supports multi-process debugging. */
299 virtual bool supports_multi_process ();
301 /* Returns true if fork events are supported. */
302 virtual bool supports_fork_events ();
304 /* Returns true if vfork events are supported. */
305 virtual bool supports_vfork_events ();
307 /* Returns true if exec events are supported. */
308 virtual bool supports_exec_events ();
310 /* Allows target to re-initialize connection-specific settings. */
311 virtual void handle_new_gdb_connection ();
313 /* The target-specific routine to process monitor command.
314 Returns 1 if handled, or 0 to perform default processing. */
315 virtual int handle_monitor_command (char *mon
);
317 /* Returns the core given a thread, or -1 if not known. */
318 virtual int core_of_thread (ptid_t ptid
);
320 /* Returns true if the read_loadmap target op is supported. */
321 virtual bool supports_read_loadmap ();
323 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
324 virtual int read_loadmap (const char *annex
, CORE_ADDR offset
,
325 unsigned char *myaddr
, unsigned int len
);
327 /* Target specific qSupported support. FEATURES is an array of
328 features with COUNT elements. */
329 virtual void process_qsupported (char **features
, int count
);
331 /* Return true if the target supports tracepoints, false otherwise. */
332 virtual bool supports_tracepoints ();
334 /* Read PC from REGCACHE. */
335 virtual CORE_ADDR
read_pc (regcache
*regcache
);
337 /* Write PC to REGCACHE. */
338 virtual void write_pc (regcache
*regcache
, CORE_ADDR pc
);
340 /* Return true if the thread_stopped op is supported. */
341 virtual bool supports_thread_stopped ();
343 /* Return true if THREAD is known to be stopped now. */
344 virtual bool thread_stopped (thread_info
*thread
);
346 /* Return true if the get_tib_address op is supported. */
347 virtual bool supports_get_tib_address ();
349 /* Read Thread Information Block address. */
350 virtual int get_tib_address (ptid_t ptid
, CORE_ADDR
*address
);
352 /* Pause all threads. If FREEZE, arrange for any resume attempt to
353 be ignored until an unpause_all call unfreezes threads again.
354 There can be nested calls to pause_all, so a freeze counter
355 should be maintained. */
356 virtual void pause_all (bool freeze
);
358 /* Unpause all threads. Threads that hadn't been resumed by the
359 client should be left stopped. Basically a pause/unpause call
360 pair should not end up resuming threads that were stopped before
362 virtual void unpause_all (bool unfreeze
);
364 /* Stabilize all threads. That is, force them out of jump pads. */
365 virtual void stabilize_threads ();
367 /* Return true if the install_fast_tracepoint_jump_pad op is
369 virtual bool supports_fast_tracepoints ();
371 /* Install a fast tracepoint jump pad. TPOINT is the address of the
372 tracepoint internal object as used by the IPA agent. TPADDR is
373 the address of tracepoint. COLLECTOR is address of the function
374 the jump pad redirects to. LOCKADDR is the address of the jump
375 pad lock object. ORIG_SIZE is the size in bytes of the
376 instruction at TPADDR. JUMP_ENTRY points to the address of the
377 jump pad entry, and on return holds the address past the end of
378 the created jump pad. If a trampoline is created by the function,
379 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
380 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
381 buffer containing a copy of the instruction at TPADDR.
382 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
383 return the address range where the instruction at TPADDR was relocated
384 to. If an error occurs, the ERR may be used to pass on an error
386 virtual int install_fast_tracepoint_jump_pad
387 (CORE_ADDR tpoint
, CORE_ADDR tpaddr
, CORE_ADDR collector
,
388 CORE_ADDR lockaddr
, ULONGEST orig_size
, CORE_ADDR
*jump_entry
,
389 CORE_ADDR
*trampoline
, ULONGEST
*trampoline_size
,
390 unsigned char *jjump_pad_insn
, ULONGEST
*jjump_pad_insn_size
,
391 CORE_ADDR
*adjusted_insn_addr
, CORE_ADDR
*adjusted_insn_addr_end
,
394 /* Return the minimum length of an instruction that can be safely
395 overwritten for use as a fast tracepoint. */
396 virtual int get_min_fast_tracepoint_insn_len ();
398 /* Return the bytecode operations vector for the current inferior.
399 Returns nullptr if bytecode compilation is not supported. */
400 virtual struct emit_ops
*emit_ops ();
402 /* Returns true if the target supports disabling randomization. */
403 virtual bool supports_disable_randomization ();
405 /* Return true if the qxfer_libraries_svr4 op is supported. */
406 virtual bool supports_qxfer_libraries_svr4 ();
408 /* Read solib info on SVR4 platforms. */
409 virtual int qxfer_libraries_svr4 (const char *annex
,
410 unsigned char *readbuf
,
411 unsigned const char *writebuf
,
412 CORE_ADDR offset
, int len
);
414 /* Return true if target supports debugging agent. */
415 virtual bool supports_agent ();
417 /* Enable branch tracing for PTID based on CONF and allocate a branch trace
418 target information struct for reading and for disabling branch trace. */
419 virtual btrace_target_info
*enable_btrace (ptid_t ptid
,
420 const btrace_config
*conf
);
422 /* Disable branch tracing.
423 Returns zero on success, non-zero otherwise. */
424 virtual int disable_btrace (btrace_target_info
*tinfo
);
426 /* Read branch trace data into buffer.
427 Return 0 on success; print an error message into BUFFER and return -1,
429 virtual int read_btrace (btrace_target_info
*tinfo
, buffer
*buf
,
430 enum btrace_read_type type
);
432 /* Read the branch trace configuration into BUFFER.
433 Return 0 on success; print an error message into BUFFER and return -1
435 virtual int read_btrace_conf (const btrace_target_info
*tinfo
,
438 /* Return true if target supports range stepping. */
439 virtual bool supports_range_stepping ();
441 /* Return true if the pid_to_exec_file op is supported. */
442 virtual bool supports_pid_to_exec_file ();
444 /* Return the full absolute name of the executable file that was
445 run to create the process PID. If the executable file cannot
446 be determined, NULL is returned. Otherwise, a pointer to a
447 character string containing the pathname is returned. This
448 string should be copied into a buffer by the client if the string
449 will not be immediately used, or if it must persist. */
450 virtual char *pid_to_exec_file (int pid
);
452 /* Return true if any of the multifs ops is supported. */
453 virtual bool supports_multifs ();
455 /* Multiple-filesystem-aware open. Like open(2), but operating in
456 the filesystem as it appears to process PID. Systems where all
457 processes share a common filesystem should not override this.
458 The default behavior is to use open(2). */
459 virtual int multifs_open (int pid
, const char *filename
,
460 int flags
, mode_t mode
);
462 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
463 in the filesystem as it appears to process PID. Systems where
464 all processes share a common filesystem should not override this.
465 The default behavior is to use unlink(2). */
466 virtual int multifs_unlink (int pid
, const char *filename
);
468 /* Multiple-filesystem-aware readlink. Like readlink(2), but
469 operating in the filesystem as it appears to process PID.
470 Systems where all processes share a common filesystem should
471 not override this. The default behavior is to use readlink(2). */
472 virtual ssize_t
multifs_readlink (int pid
, const char *filename
,
473 char *buf
, size_t bufsiz
);
475 /* Return the breakpoint kind for this target based on PC. The
476 PCPTR is adjusted to the real memory location in case a flag
477 (e.g., the Thumb bit on ARM) was present in the PC. */
478 virtual int breakpoint_kind_from_pc (CORE_ADDR
*pcptr
);
480 /* Return the software breakpoint from KIND. KIND can have target
481 specific meaning like the Z0 kind parameter.
482 SIZE is set to the software breakpoint's length in memory. */
483 virtual const gdb_byte
*sw_breakpoint_from_kind (int kind
, int *size
) = 0;
485 /* Return the breakpoint kind for this target based on the current
486 processor state (e.g. the current instruction mode on ARM) and the
487 PC. The PCPTR is adjusted to the real memory location in case a
488 flag (e.g., the Thumb bit on ARM) is present in the PC. */
489 virtual int breakpoint_kind_from_current_state (CORE_ADDR
*pcptr
);
491 /* Return the thread's name, or NULL if the target is unable to
492 determine it. The returned value must not be freed by the
494 virtual const char *thread_name (ptid_t thread
);
496 /* Thread ID to (numeric) thread handle: Return true on success and
497 false for failure. Return pointer to thread handle via HANDLE
498 and the handle's length via HANDLE_LEN. */
499 virtual bool thread_handle (ptid_t ptid
, gdb_byte
**handle
,
502 /* Returns true if the target can software single step. */
503 virtual bool supports_software_single_step ();
505 /* Return true if the target supports catch syscall. */
506 virtual bool supports_catch_syscall ();
509 extern process_stratum_target
*the_target
;
511 void set_target_ops (process_stratum_target
*);
513 #define target_create_inferior(program, program_args) \
514 the_target->pt->create_inferior (program, program_args)
516 #define target_post_create_inferior() \
517 the_target->pt->post_create_inferior ()
519 #define myattach(pid) \
520 the_target->pt->attach (pid)
522 int kill_inferior (process_info
*proc
);
524 #define target_supports_fork_events() \
525 the_target->pt->supports_fork_events ()
527 #define target_supports_vfork_events() \
528 the_target->pt->supports_vfork_events ()
530 #define target_supports_exec_events() \
531 the_target->pt->supports_exec_events ()
533 #define target_handle_new_gdb_connection() \
534 the_target->pt->handle_new_gdb_connection ()
536 #define detach_inferior(proc) \
537 the_target->pt->detach (proc)
539 #define mythread_alive(pid) \
540 the_target->pt->thread_alive (pid)
542 #define fetch_inferior_registers(regcache, regno) \
543 the_target->pt->fetch_registers (regcache, regno)
545 #define store_inferior_registers(regcache, regno) \
546 the_target->pt->store_registers (regcache, regno)
548 #define join_inferior(pid) \
549 the_target->pt->join (pid)
551 #define target_supports_non_stop() \
552 the_target->pt->supports_non_stop ()
554 #define target_async(enable) \
555 the_target->pt->async (enable)
557 #define target_process_qsupported(features, count) \
558 the_target->pt->process_qsupported (features, count)
560 #define target_supports_catch_syscall() \
561 the_target->pt->supports_catch_syscall ()
563 #define target_get_ipa_tdesc_idx() \
564 (the_target->get_ipa_tdesc_idx \
565 ? (*the_target->get_ipa_tdesc_idx) () : 0)
567 #define target_supports_tracepoints() \
568 the_target->pt->supports_tracepoints ()
570 #define target_supports_fast_tracepoints() \
571 the_target->pt->supports_fast_tracepoints ()
573 #define target_get_min_fast_tracepoint_insn_len() \
574 the_target->pt->get_min_fast_tracepoint_insn_len ()
576 #define target_thread_stopped(thread) \
577 the_target->pt->thread_stopped (thread)
579 #define target_pause_all(freeze) \
580 the_target->pt->pause_all (freeze)
582 #define target_unpause_all(unfreeze) \
583 the_target->pt->unpause_all (unfreeze)
585 #define target_stabilize_threads() \
586 the_target->pt->stabilize_threads ()
588 #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
589 collector, lockaddr, \
592 trampoline, trampoline_size, \
594 jjump_pad_insn_size, \
595 adjusted_insn_addr, \
596 adjusted_insn_addr_end, \
598 the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \
599 collector,lockaddr, \
600 orig_size, jump_entry, \
604 jjump_pad_insn_size, \
605 adjusted_insn_addr, \
606 adjusted_insn_addr_end, \
609 #define target_emit_ops() \
610 the_target->pt->emit_ops ()
612 #define target_supports_disable_randomization() \
613 the_target->pt->supports_disable_randomization ()
615 #define target_supports_agent() \
616 the_target->pt->supports_agent ()
618 static inline struct btrace_target_info
*
619 target_enable_btrace (ptid_t ptid
, const struct btrace_config
*conf
)
621 return the_target
->pt
->enable_btrace (ptid
, conf
);
625 target_disable_btrace (struct btrace_target_info
*tinfo
)
627 return the_target
->pt
->disable_btrace (tinfo
);
631 target_read_btrace (struct btrace_target_info
*tinfo
,
632 struct buffer
*buffer
,
633 enum btrace_read_type type
)
635 return the_target
->pt
->read_btrace (tinfo
, buffer
, type
);
639 target_read_btrace_conf (struct btrace_target_info
*tinfo
,
640 struct buffer
*buffer
)
642 return the_target
->pt
->read_btrace_conf (tinfo
, buffer
);
645 #define target_supports_range_stepping() \
646 the_target->pt->supports_range_stepping ()
648 #define target_supports_stopped_by_sw_breakpoint() \
649 the_target->pt->supports_stopped_by_sw_breakpoint ()
651 #define target_stopped_by_sw_breakpoint() \
652 the_target->pt->stopped_by_sw_breakpoint ()
654 #define target_supports_stopped_by_hw_breakpoint() \
655 the_target->pt->supports_stopped_by_hw_breakpoint ()
657 #define target_supports_hardware_single_step() \
658 the_target->pt->supports_hardware_single_step ()
660 #define target_stopped_by_hw_breakpoint() \
661 the_target->pt->stopped_by_hw_breakpoint ()
663 #define target_breakpoint_kind_from_pc(pcptr) \
664 the_target->pt->breakpoint_kind_from_pc (pcptr)
666 #define target_breakpoint_kind_from_current_state(pcptr) \
667 the_target->pt->breakpoint_kind_from_current_state (pcptr)
669 #define target_supports_software_single_step() \
670 the_target->pt->supports_software_single_step ()
672 ptid_t
mywait (ptid_t ptid
, struct target_waitstatus
*ourstatus
, int options
,
675 /* Prepare to read or write memory from the inferior process. See the
676 corresponding process_stratum_target methods for more details. */
678 int prepare_to_access_memory (void);
679 void done_accessing_memory (void);
681 #define target_core_of_thread(ptid) \
682 the_target->pt->core_of_thread (ptid)
684 #define target_thread_name(ptid) \
685 the_target->pt->thread_name (ptid)
687 #define target_thread_handle(ptid, handle, handle_len) \
688 the_target->pt->thread_handle (ptid, handle, handle_len)
690 int read_inferior_memory (CORE_ADDR memaddr
, unsigned char *myaddr
, int len
);
692 int set_desired_thread ();
694 const char *target_pid_to_str (ptid_t
);
696 #endif /* GDBSERVER_TARGET_H */