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 /* Returns true if the target can software single step. */
74 int (*supports_software_single_step
) (void);
76 /* Return 1 if the target supports catch syscall, 0 (or leave the
77 callback NULL) otherwise. */
78 int (*supports_catch_syscall
) (void);
80 /* Return tdesc index for IPA. */
81 int (*get_ipa_tdesc_idx
) (void);
83 /* The object that will gradually replace this struct. */
91 virtual ~process_target () = default;
93 /* Start a new process.
95 PROGRAM is a path to the program to execute.
96 PROGRAM_ARGS is a standard NULL-terminated array of arguments,
97 to be passed to the inferior as ``argv'' (along with PROGRAM).
99 Returns the new PID on success, -1 on failure. Registers the new
100 process with the process list. */
101 virtual int create_inferior (const char *program
,
102 const std::vector
<char *> &program_args
) = 0;
104 /* Do additional setup after a new process is created, including
105 exec-wrapper completion. */
106 virtual void post_create_inferior ();
108 /* Attach to a running process.
110 PID is the process ID to attach to, specified by the user
113 Returns -1 if attaching is unsupported, 0 on success, and calls
114 error() otherwise. */
115 virtual int attach (unsigned long pid
) = 0;
117 /* Kill process PROC. Return -1 on failure, and 0 on success. */
118 virtual int kill (process_info
*proc
) = 0;
120 /* Detach from process PROC. Return -1 on failure, and 0 on
122 virtual int detach (process_info
*proc
) = 0;
124 /* The inferior process has died. Do what is right. */
125 virtual void mourn (process_info
*proc
) = 0;
127 /* Wait for process PID to exit. */
128 virtual void join (int pid
) = 0;
130 /* Return true iff the thread with process ID PID is alive. */
131 virtual bool thread_alive (ptid_t pid
) = 0;
133 /* Resume the inferior process. */
134 virtual void resume (thread_resume
*resume_info
, size_t n
) = 0;
136 /* Wait for the inferior process or thread to change state. Store
137 status through argument pointer STATUS.
139 PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to
140 wait for any thread of process pid to do something. Return ptid
141 of child, or -1 in case of error; store status through argument
142 pointer STATUS. OPTIONS is a bit set of options defined as
143 TARGET_W* above. If options contains TARGET_WNOHANG and there's
144 no child stop to report, return is
145 null_ptid/TARGET_WAITKIND_IGNORE. */
146 virtual ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
149 /* Fetch registers from the inferior process.
151 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */
152 virtual void fetch_registers (regcache
*regcache
, int regno
) = 0;
154 /* Store registers to the inferior process.
156 If REGNO is -1, store all registers; otherwise, store at least REGNO. */
157 virtual void store_registers (regcache
*regcache
, int regno
) = 0;
159 /* Prepare to read or write memory from the inferior process.
160 Targets use this to do what is necessary to get the state of the
161 inferior such that it is possible to access memory.
163 This should generally only be called from client facing routines,
164 such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint
167 Like `read_memory' and `write_memory' below, returns 0 on success
168 and errno on failure. */
169 virtual int prepare_to_access_memory ();
171 /* Undo the effects of prepare_to_access_memory. */
172 virtual void done_accessing_memory ();
174 /* Read memory from the inferior process. This should generally be
175 called through read_inferior_memory, which handles breakpoint shadowing.
177 Read LEN bytes at MEMADDR into a buffer at MYADDR.
179 Returns 0 on success and errno on failure. */
180 virtual int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
183 /* Write memory to the inferior process. This should generally be
184 called through target_write_memory, which handles breakpoint shadowing.
186 Write LEN bytes from the buffer at MYADDR to MEMADDR.
188 Returns 0 on success and errno on failure. */
189 virtual int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
192 /* Query GDB for the values of any symbols we're interested in.
193 This function is called whenever we receive a "qSymbols::"
194 query, which corresponds to every time more symbols (might)
196 virtual void look_up_symbols ();
198 /* Send an interrupt request to the inferior process,
199 however is appropriate. */
200 virtual void request_interrupt () = 0;
202 /* Return true if the read_auxv target op is supported. */
203 virtual bool supports_read_auxv ();
205 /* Read auxiliary vector data from the inferior process.
207 Read LEN bytes at OFFSET into a buffer at MYADDR. */
208 virtual int read_auxv (CORE_ADDR offset
, unsigned char *myaddr
,
211 /* Returns true if GDB Z breakpoint type TYPE is supported, false
212 otherwise. The type is coded as follows:
213 '0' - software-breakpoint
214 '1' - hardware-breakpoint
215 '2' - write watchpoint
216 '3' - read watchpoint
217 '4' - access watchpoint
219 virtual bool supports_z_point_type (char z_type
);
221 /* Insert and remove a break or watchpoint.
222 Returns 0 on success, -1 on failure and 1 on unsupported. */
223 virtual int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
224 int size
, raw_breakpoint
*bp
);
226 virtual int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
227 int size
, raw_breakpoint
*bp
);
229 /* Returns true if the target stopped because it executed a software
230 breakpoint instruction, false otherwise. */
231 virtual bool stopped_by_sw_breakpoint ();
233 /* Returns true if the target knows whether a trap was caused by a
234 SW breakpoint triggering. */
235 virtual bool supports_stopped_by_sw_breakpoint ();
237 /* Returns true if the target stopped for a hardware breakpoint. */
238 virtual bool stopped_by_hw_breakpoint ();
240 /* Returns true if the target knows whether a trap was caused by a
241 HW breakpoint triggering. */
242 virtual bool supports_stopped_by_hw_breakpoint ();
244 /* Returns true if the target can do hardware single step. */
245 virtual bool supports_hardware_single_step ();
247 /* Returns true if target was stopped due to a watchpoint hit, false
249 virtual bool stopped_by_watchpoint ();
251 /* Returns the address associated with the watchpoint that hit, if any;
252 returns 0 otherwise. */
253 virtual CORE_ADDR
stopped_data_address ();
255 /* Return true if the read_offsets target op is supported. */
256 virtual bool supports_read_offsets ();
258 /* Reports the text, data offsets of the executable. This is
259 needed for uclinux where the executable is relocated during load
261 virtual int read_offsets (CORE_ADDR
*text
, CORE_ADDR
*data
);
263 /* Return true if the get_tls_address target op is supported. */
264 virtual bool supports_get_tls_address ();
266 /* Fetch the address associated with a specific thread local storage
267 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE.
268 Stores it in *ADDRESS and returns zero on success; otherwise returns
269 an error code. A return value of -1 means this system does not
270 support the operation. */
271 virtual int get_tls_address (thread_info
*thread
, CORE_ADDR offset
,
272 CORE_ADDR load_module
, CORE_ADDR
*address
);
274 /* Fill BUF with an hostio error packet representing the last hostio
276 virtual void hostio_last_error (char *buf
);
278 /* Return true if the qxfer_osdata target op is supported. */
279 virtual bool supports_qxfer_osdata ();
281 /* Read/Write OS data using qXfer packets. */
282 virtual int qxfer_osdata (const char *annex
, unsigned char *readbuf
,
283 unsigned const char *writebuf
,
284 CORE_ADDR offset
, int len
);
286 /* Return true if the qxfer_siginfo target op is supported. */
287 virtual bool supports_qxfer_siginfo ();
289 /* Read/Write extra signal info. */
290 virtual int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
291 unsigned const char *writebuf
,
292 CORE_ADDR offset
, int len
);
294 /* Return true if non-stop mode is supported. */
295 virtual bool supports_non_stop ();
297 /* Enables async target events. Returns the previous enable
299 virtual bool async (bool enable
);
301 /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false)
302 mode. Return 0 on success, -1 otherwise. */
303 virtual int start_non_stop (bool enable
);
305 /* Returns true if the target supports multi-process debugging. */
306 virtual bool supports_multi_process ();
308 /* Returns true if fork events are supported. */
309 virtual bool supports_fork_events ();
311 /* Returns true if vfork events are supported. */
312 virtual bool supports_vfork_events ();
314 /* Returns true if exec events are supported. */
315 virtual bool supports_exec_events ();
317 /* Allows target to re-initialize connection-specific settings. */
318 virtual void handle_new_gdb_connection ();
320 /* The target-specific routine to process monitor command.
321 Returns 1 if handled, or 0 to perform default processing. */
322 virtual int handle_monitor_command (char *mon
);
324 /* Returns the core given a thread, or -1 if not known. */
325 virtual int core_of_thread (ptid_t ptid
);
327 /* Returns true if the read_loadmap target op is supported. */
328 virtual bool supports_read_loadmap ();
330 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
331 virtual int read_loadmap (const char *annex
, CORE_ADDR offset
,
332 unsigned char *myaddr
, unsigned int len
);
334 /* Target specific qSupported support. FEATURES is an array of
335 features with COUNT elements. */
336 virtual void process_qsupported (char **features
, int count
);
338 /* Return true if the target supports tracepoints, false otherwise. */
339 virtual bool supports_tracepoints ();
341 /* Read PC from REGCACHE. */
342 virtual CORE_ADDR
read_pc (regcache
*regcache
);
344 /* Write PC to REGCACHE. */
345 virtual void write_pc (regcache
*regcache
, CORE_ADDR pc
);
347 /* Return true if the thread_stopped op is supported. */
348 virtual bool supports_thread_stopped ();
350 /* Return true if THREAD is known to be stopped now. */
351 virtual bool thread_stopped (thread_info
*thread
);
353 /* Return true if the get_tib_address op is supported. */
354 virtual bool supports_get_tib_address ();
356 /* Read Thread Information Block address. */
357 virtual int get_tib_address (ptid_t ptid
, CORE_ADDR
*address
);
359 /* Pause all threads. If FREEZE, arrange for any resume attempt to
360 be ignored until an unpause_all call unfreezes threads again.
361 There can be nested calls to pause_all, so a freeze counter
362 should be maintained. */
363 virtual void pause_all (bool freeze
);
365 /* Unpause all threads. Threads that hadn't been resumed by the
366 client should be left stopped. Basically a pause/unpause call
367 pair should not end up resuming threads that were stopped before
369 virtual void unpause_all (bool unfreeze
);
371 /* Stabilize all threads. That is, force them out of jump pads. */
372 virtual void stabilize_threads ();
374 /* Return true if the install_fast_tracepoint_jump_pad op is
376 virtual bool supports_fast_tracepoints ();
378 /* Install a fast tracepoint jump pad. TPOINT is the address of the
379 tracepoint internal object as used by the IPA agent. TPADDR is
380 the address of tracepoint. COLLECTOR is address of the function
381 the jump pad redirects to. LOCKADDR is the address of the jump
382 pad lock object. ORIG_SIZE is the size in bytes of the
383 instruction at TPADDR. JUMP_ENTRY points to the address of the
384 jump pad entry, and on return holds the address past the end of
385 the created jump pad. If a trampoline is created by the function,
386 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
387 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
388 buffer containing a copy of the instruction at TPADDR.
389 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
390 return the address range where the instruction at TPADDR was relocated
391 to. If an error occurs, the ERR may be used to pass on an error
393 virtual int install_fast_tracepoint_jump_pad
394 (CORE_ADDR tpoint
, CORE_ADDR tpaddr
, CORE_ADDR collector
,
395 CORE_ADDR lockaddr
, ULONGEST orig_size
, CORE_ADDR
*jump_entry
,
396 CORE_ADDR
*trampoline
, ULONGEST
*trampoline_size
,
397 unsigned char *jjump_pad_insn
, ULONGEST
*jjump_pad_insn_size
,
398 CORE_ADDR
*adjusted_insn_addr
, CORE_ADDR
*adjusted_insn_addr_end
,
401 /* Return the minimum length of an instruction that can be safely
402 overwritten for use as a fast tracepoint. */
403 virtual int get_min_fast_tracepoint_insn_len ();
405 /* Return the bytecode operations vector for the current inferior.
406 Returns nullptr if bytecode compilation is not supported. */
407 virtual struct emit_ops
*emit_ops ();
409 /* Returns true if the target supports disabling randomization. */
410 virtual bool supports_disable_randomization ();
412 /* Return true if the qxfer_libraries_svr4 op is supported. */
413 virtual bool supports_qxfer_libraries_svr4 ();
415 /* Read solib info on SVR4 platforms. */
416 virtual int qxfer_libraries_svr4 (const char *annex
,
417 unsigned char *readbuf
,
418 unsigned const char *writebuf
,
419 CORE_ADDR offset
, int len
);
421 /* Return true if target supports debugging agent. */
422 virtual bool supports_agent ();
424 /* Enable branch tracing for PTID based on CONF and allocate a branch trace
425 target information struct for reading and for disabling branch trace. */
426 virtual btrace_target_info
*enable_btrace (ptid_t ptid
,
427 const btrace_config
*conf
);
429 /* Disable branch tracing.
430 Returns zero on success, non-zero otherwise. */
431 virtual int disable_btrace (btrace_target_info
*tinfo
);
433 /* Read branch trace data into buffer.
434 Return 0 on success; print an error message into BUFFER and return -1,
436 virtual int read_btrace (btrace_target_info
*tinfo
, buffer
*buf
,
437 enum btrace_read_type type
);
439 /* Read the branch trace configuration into BUFFER.
440 Return 0 on success; print an error message into BUFFER and return -1
442 virtual int read_btrace_conf (const btrace_target_info
*tinfo
,
445 /* Return true if target supports range stepping. */
446 virtual bool supports_range_stepping ();
448 /* Return true if the pid_to_exec_file op is supported. */
449 virtual bool supports_pid_to_exec_file ();
451 /* Return the full absolute name of the executable file that was
452 run to create the process PID. If the executable file cannot
453 be determined, NULL is returned. Otherwise, a pointer to a
454 character string containing the pathname is returned. This
455 string should be copied into a buffer by the client if the string
456 will not be immediately used, or if it must persist. */
457 virtual char *pid_to_exec_file (int pid
);
459 /* Return true if any of the multifs ops is supported. */
460 virtual bool supports_multifs ();
462 /* Multiple-filesystem-aware open. Like open(2), but operating in
463 the filesystem as it appears to process PID. Systems where all
464 processes share a common filesystem should not override this.
465 The default behavior is to use open(2). */
466 virtual int multifs_open (int pid
, const char *filename
,
467 int flags
, mode_t mode
);
469 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
470 in the filesystem as it appears to process PID. Systems where
471 all processes share a common filesystem should not override this.
472 The default behavior is to use unlink(2). */
473 virtual int multifs_unlink (int pid
, const char *filename
);
475 /* Multiple-filesystem-aware readlink. Like readlink(2), but
476 operating in the filesystem as it appears to process PID.
477 Systems where all processes share a common filesystem should
478 not override this. The default behavior is to use readlink(2). */
479 virtual ssize_t
multifs_readlink (int pid
, const char *filename
,
480 char *buf
, size_t bufsiz
);
482 /* Return the breakpoint kind for this target based on PC. The
483 PCPTR is adjusted to the real memory location in case a flag
484 (e.g., the Thumb bit on ARM) was present in the PC. */
485 virtual int breakpoint_kind_from_pc (CORE_ADDR
*pcptr
);
487 /* Return the software breakpoint from KIND. KIND can have target
488 specific meaning like the Z0 kind parameter.
489 SIZE is set to the software breakpoint's length in memory. */
490 virtual const gdb_byte
*sw_breakpoint_from_kind (int kind
, int *size
) = 0;
492 /* Return the breakpoint kind for this target based on the current
493 processor state (e.g. the current instruction mode on ARM) and the
494 PC. The PCPTR is adjusted to the real memory location in case a
495 flag (e.g., the Thumb bit on ARM) is present in the PC. */
496 virtual int breakpoint_kind_from_current_state (CORE_ADDR
*pcptr
);
498 /* Return the thread's name, or NULL if the target is unable to
499 determine it. The returned value must not be freed by the
501 virtual const char *thread_name (ptid_t thread
);
503 /* Thread ID to (numeric) thread handle: Return true on success and
504 false for failure. Return pointer to thread handle via HANDLE
505 and the handle's length via HANDLE_LEN. */
506 virtual bool thread_handle (ptid_t ptid
, gdb_byte
**handle
,
510 extern process_stratum_target
*the_target
;
512 void set_target_ops (process_stratum_target
*);
514 #define target_create_inferior(program, program_args) \
515 the_target->pt->create_inferior (program, program_args)
517 #define target_post_create_inferior() \
518 the_target->pt->post_create_inferior ()
520 #define myattach(pid) \
521 the_target->pt->attach (pid)
523 int kill_inferior (process_info
*proc
);
525 #define target_supports_fork_events() \
526 the_target->pt->supports_fork_events ()
528 #define target_supports_vfork_events() \
529 the_target->pt->supports_vfork_events ()
531 #define target_supports_exec_events() \
532 the_target->pt->supports_exec_events ()
534 #define target_handle_new_gdb_connection() \
535 the_target->pt->handle_new_gdb_connection ()
537 #define detach_inferior(proc) \
538 the_target->pt->detach (proc)
540 #define mythread_alive(pid) \
541 the_target->pt->thread_alive (pid)
543 #define fetch_inferior_registers(regcache, regno) \
544 the_target->pt->fetch_registers (regcache, regno)
546 #define store_inferior_registers(regcache, regno) \
547 the_target->pt->store_registers (regcache, regno)
549 #define join_inferior(pid) \
550 the_target->pt->join (pid)
552 #define target_supports_non_stop() \
553 the_target->pt->supports_non_stop ()
555 #define target_async(enable) \
556 the_target->pt->async (enable)
558 #define target_process_qsupported(features, count) \
559 the_target->pt->process_qsupported (features, count)
561 #define target_supports_catch_syscall() \
562 (the_target->supports_catch_syscall ? \
563 (*the_target->supports_catch_syscall) () : 0)
565 #define target_get_ipa_tdesc_idx() \
566 (the_target->get_ipa_tdesc_idx \
567 ? (*the_target->get_ipa_tdesc_idx) () : 0)
569 #define target_supports_tracepoints() \
570 the_target->pt->supports_tracepoints ()
572 #define target_supports_fast_tracepoints() \
573 the_target->pt->supports_fast_tracepoints ()
575 #define target_get_min_fast_tracepoint_insn_len() \
576 the_target->pt->get_min_fast_tracepoint_insn_len ()
578 #define target_thread_stopped(thread) \
579 the_target->pt->thread_stopped (thread)
581 #define target_pause_all(freeze) \
582 the_target->pt->pause_all (freeze)
584 #define target_unpause_all(unfreeze) \
585 the_target->pt->unpause_all (unfreeze)
587 #define target_stabilize_threads() \
588 the_target->pt->stabilize_threads ()
590 #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
591 collector, lockaddr, \
594 trampoline, trampoline_size, \
596 jjump_pad_insn_size, \
597 adjusted_insn_addr, \
598 adjusted_insn_addr_end, \
600 the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \
601 collector,lockaddr, \
602 orig_size, jump_entry, \
606 jjump_pad_insn_size, \
607 adjusted_insn_addr, \
608 adjusted_insn_addr_end, \
611 #define target_emit_ops() \
612 the_target->pt->emit_ops ()
614 #define target_supports_disable_randomization() \
615 the_target->pt->supports_disable_randomization ()
617 #define target_supports_agent() \
618 the_target->pt->supports_agent ()
620 static inline struct btrace_target_info
*
621 target_enable_btrace (ptid_t ptid
, const struct btrace_config
*conf
)
623 return the_target
->pt
->enable_btrace (ptid
, conf
);
627 target_disable_btrace (struct btrace_target_info
*tinfo
)
629 return the_target
->pt
->disable_btrace (tinfo
);
633 target_read_btrace (struct btrace_target_info
*tinfo
,
634 struct buffer
*buffer
,
635 enum btrace_read_type type
)
637 return the_target
->pt
->read_btrace (tinfo
, buffer
, type
);
641 target_read_btrace_conf (struct btrace_target_info
*tinfo
,
642 struct buffer
*buffer
)
644 return the_target
->pt
->read_btrace_conf (tinfo
, buffer
);
647 #define target_supports_range_stepping() \
648 the_target->pt->supports_range_stepping ()
650 #define target_supports_stopped_by_sw_breakpoint() \
651 the_target->pt->supports_stopped_by_sw_breakpoint ()
653 #define target_stopped_by_sw_breakpoint() \
654 the_target->pt->stopped_by_sw_breakpoint ()
656 #define target_supports_stopped_by_hw_breakpoint() \
657 the_target->pt->supports_stopped_by_hw_breakpoint ()
659 #define target_supports_hardware_single_step() \
660 the_target->pt->supports_hardware_single_step ()
662 #define target_stopped_by_hw_breakpoint() \
663 the_target->pt->stopped_by_hw_breakpoint ()
665 #define target_breakpoint_kind_from_pc(pcptr) \
666 the_target->pt->breakpoint_kind_from_pc (pcptr)
668 #define target_breakpoint_kind_from_current_state(pcptr) \
669 the_target->pt->breakpoint_kind_from_current_state (pcptr)
671 #define target_supports_software_single_step() \
672 (the_target->supports_software_single_step ? \
673 (*the_target->supports_software_single_step) () : 0)
675 ptid_t
mywait (ptid_t ptid
, struct target_waitstatus
*ourstatus
, int options
,
678 /* Prepare to read or write memory from the inferior process. See the
679 corresponding process_stratum_target methods for more details. */
681 int prepare_to_access_memory (void);
682 void done_accessing_memory (void);
684 #define target_core_of_thread(ptid) \
685 the_target->pt->core_of_thread (ptid)
687 #define target_thread_name(ptid) \
688 the_target->pt->thread_name (ptid)
690 #define target_thread_handle(ptid, handle, handle_len) \
691 the_target->pt->thread_handle (ptid, handle, handle_len)
693 int read_inferior_memory (CORE_ADDR memaddr
, unsigned char *myaddr
, int len
);
695 int set_desired_thread ();
697 const char *target_pid_to_str (ptid_t
);
699 #endif /* GDBSERVER_TARGET_H */