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 true if target supports range stepping. */
74 int (*supports_range_stepping
) (void);
76 /* Return the full absolute name of the executable file that was
77 run to create the process PID. If the executable file cannot
78 be determined, NULL is returned. Otherwise, a pointer to a
79 character string containing the pathname is returned. This
80 string should be copied into a buffer by the client if the string
81 will not be immediately used, or if it must persist. */
82 char *(*pid_to_exec_file
) (int pid
);
84 /* Multiple-filesystem-aware open. Like open(2), but operating in
85 the filesystem as it appears to process PID. Systems where all
86 processes share a common filesystem should set this to NULL.
87 If NULL, the caller should fall back to open(2). */
88 int (*multifs_open
) (int pid
, const char *filename
,
89 int flags
, mode_t mode
);
91 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
92 in the filesystem as it appears to process PID. Systems where
93 all processes share a common filesystem should set this to NULL.
94 If NULL, the caller should fall back to unlink(2). */
95 int (*multifs_unlink
) (int pid
, const char *filename
);
97 /* Multiple-filesystem-aware readlink. Like readlink(2), but
98 operating in the filesystem as it appears to process PID.
99 Systems where all processes share a common filesystem should
100 set this to NULL. If NULL, the caller should fall back to
102 ssize_t (*multifs_readlink
) (int pid
, const char *filename
,
103 char *buf
, size_t bufsiz
);
105 /* Return the breakpoint kind for this target based on PC. The PCPTR is
106 adjusted to the real memory location in case a flag (e.g., the Thumb bit on
107 ARM) was present in the PC. */
108 int (*breakpoint_kind_from_pc
) (CORE_ADDR
*pcptr
);
110 /* Return the software breakpoint from KIND. KIND can have target
111 specific meaning like the Z0 kind parameter.
112 SIZE is set to the software breakpoint's length in memory. */
113 const gdb_byte
*(*sw_breakpoint_from_kind
) (int kind
, int *size
);
115 /* Return the thread's name, or NULL if the target is unable to determine it.
116 The returned value must not be freed by the caller. */
117 const char *(*thread_name
) (ptid_t thread
);
119 /* Return the breakpoint kind for this target based on the current
120 processor state (e.g. the current instruction mode on ARM) and the
121 PC. The PCPTR is adjusted to the real memory location in case a flag
122 (e.g., the Thumb bit on ARM) is present in the PC. */
123 int (*breakpoint_kind_from_current_state
) (CORE_ADDR
*pcptr
);
125 /* Returns true if the target can software single step. */
126 int (*supports_software_single_step
) (void);
128 /* Return 1 if the target supports catch syscall, 0 (or leave the
129 callback NULL) otherwise. */
130 int (*supports_catch_syscall
) (void);
132 /* Return tdesc index for IPA. */
133 int (*get_ipa_tdesc_idx
) (void);
135 /* Thread ID to (numeric) thread handle: Return true on success and
136 false for failure. Return pointer to thread handle via HANDLE
137 and the handle's length via HANDLE_LEN. */
138 bool (*thread_handle
) (ptid_t ptid
, gdb_byte
**handle
, int *handle_len
);
140 /* The object that will gradually replace this struct. */
148 virtual ~process_target () = default;
150 /* Start a new process.
152 PROGRAM is a path to the program to execute.
153 PROGRAM_ARGS is a standard NULL-terminated array of arguments,
154 to be passed to the inferior as ``argv'' (along with PROGRAM).
156 Returns the new PID on success, -1 on failure. Registers the new
157 process with the process list. */
158 virtual int create_inferior (const char *program
,
159 const std::vector
<char *> &program_args
) = 0;
161 /* Do additional setup after a new process is created, including
162 exec-wrapper completion. */
163 virtual void post_create_inferior ();
165 /* Attach to a running process.
167 PID is the process ID to attach to, specified by the user
170 Returns -1 if attaching is unsupported, 0 on success, and calls
171 error() otherwise. */
172 virtual int attach (unsigned long pid
) = 0;
174 /* Kill process PROC. Return -1 on failure, and 0 on success. */
175 virtual int kill (process_info
*proc
) = 0;
177 /* Detach from process PROC. Return -1 on failure, and 0 on
179 virtual int detach (process_info
*proc
) = 0;
181 /* The inferior process has died. Do what is right. */
182 virtual void mourn (process_info
*proc
) = 0;
184 /* Wait for process PID to exit. */
185 virtual void join (int pid
) = 0;
187 /* Return true iff the thread with process ID PID is alive. */
188 virtual bool thread_alive (ptid_t pid
) = 0;
190 /* Resume the inferior process. */
191 virtual void resume (thread_resume
*resume_info
, size_t n
) = 0;
193 /* Wait for the inferior process or thread to change state. Store
194 status through argument pointer STATUS.
196 PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to
197 wait for any thread of process pid to do something. Return ptid
198 of child, or -1 in case of error; store status through argument
199 pointer STATUS. OPTIONS is a bit set of options defined as
200 TARGET_W* above. If options contains TARGET_WNOHANG and there's
201 no child stop to report, return is
202 null_ptid/TARGET_WAITKIND_IGNORE. */
203 virtual ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
206 /* Fetch registers from the inferior process.
208 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */
209 virtual void fetch_registers (regcache
*regcache
, int regno
) = 0;
211 /* Store registers to the inferior process.
213 If REGNO is -1, store all registers; otherwise, store at least REGNO. */
214 virtual void store_registers (regcache
*regcache
, int regno
) = 0;
216 /* Prepare to read or write memory from the inferior process.
217 Targets use this to do what is necessary to get the state of the
218 inferior such that it is possible to access memory.
220 This should generally only be called from client facing routines,
221 such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint
224 Like `read_memory' and `write_memory' below, returns 0 on success
225 and errno on failure. */
226 virtual int prepare_to_access_memory ();
228 /* Undo the effects of prepare_to_access_memory. */
229 virtual void done_accessing_memory ();
231 /* Read memory from the inferior process. This should generally be
232 called through read_inferior_memory, which handles breakpoint shadowing.
234 Read LEN bytes at MEMADDR into a buffer at MYADDR.
236 Returns 0 on success and errno on failure. */
237 virtual int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
240 /* Write memory to the inferior process. This should generally be
241 called through target_write_memory, which handles breakpoint shadowing.
243 Write LEN bytes from the buffer at MYADDR to MEMADDR.
245 Returns 0 on success and errno on failure. */
246 virtual int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
249 /* Query GDB for the values of any symbols we're interested in.
250 This function is called whenever we receive a "qSymbols::"
251 query, which corresponds to every time more symbols (might)
253 virtual void look_up_symbols ();
255 /* Send an interrupt request to the inferior process,
256 however is appropriate. */
257 virtual void request_interrupt () = 0;
259 /* Return true if the read_auxv target op is supported. */
260 virtual bool supports_read_auxv ();
262 /* Read auxiliary vector data from the inferior process.
264 Read LEN bytes at OFFSET into a buffer at MYADDR. */
265 virtual int read_auxv (CORE_ADDR offset
, unsigned char *myaddr
,
268 /* Returns true if GDB Z breakpoint type TYPE is supported, false
269 otherwise. The type is coded as follows:
270 '0' - software-breakpoint
271 '1' - hardware-breakpoint
272 '2' - write watchpoint
273 '3' - read watchpoint
274 '4' - access watchpoint
276 virtual bool supports_z_point_type (char z_type
);
278 /* Insert and remove a break or watchpoint.
279 Returns 0 on success, -1 on failure and 1 on unsupported. */
280 virtual int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
281 int size
, raw_breakpoint
*bp
);
283 virtual int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
284 int size
, raw_breakpoint
*bp
);
286 /* Returns true if the target stopped because it executed a software
287 breakpoint instruction, false otherwise. */
288 virtual bool stopped_by_sw_breakpoint ();
290 /* Returns true if the target knows whether a trap was caused by a
291 SW breakpoint triggering. */
292 virtual bool supports_stopped_by_sw_breakpoint ();
294 /* Returns true if the target stopped for a hardware breakpoint. */
295 virtual bool stopped_by_hw_breakpoint ();
297 /* Returns true if the target knows whether a trap was caused by a
298 HW breakpoint triggering. */
299 virtual bool supports_stopped_by_hw_breakpoint ();
301 /* Returns true if the target can do hardware single step. */
302 virtual bool supports_hardware_single_step ();
304 /* Returns true if target was stopped due to a watchpoint hit, false
306 virtual bool stopped_by_watchpoint ();
308 /* Returns the address associated with the watchpoint that hit, if any;
309 returns 0 otherwise. */
310 virtual CORE_ADDR
stopped_data_address ();
312 /* Return true if the read_offsets target op is supported. */
313 virtual bool supports_read_offsets ();
315 /* Reports the text, data offsets of the executable. This is
316 needed for uclinux where the executable is relocated during load
318 virtual int read_offsets (CORE_ADDR
*text
, CORE_ADDR
*data
);
320 /* Return true if the get_tls_address target op is supported. */
321 virtual bool supports_get_tls_address ();
323 /* Fetch the address associated with a specific thread local storage
324 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE.
325 Stores it in *ADDRESS and returns zero on success; otherwise returns
326 an error code. A return value of -1 means this system does not
327 support the operation. */
328 virtual int get_tls_address (thread_info
*thread
, CORE_ADDR offset
,
329 CORE_ADDR load_module
, CORE_ADDR
*address
);
331 /* Fill BUF with an hostio error packet representing the last hostio
333 virtual void hostio_last_error (char *buf
);
335 /* Return true if the qxfer_osdata target op is supported. */
336 virtual bool supports_qxfer_osdata ();
338 /* Read/Write OS data using qXfer packets. */
339 virtual int qxfer_osdata (const char *annex
, unsigned char *readbuf
,
340 unsigned const char *writebuf
,
341 CORE_ADDR offset
, int len
);
343 /* Return true if the qxfer_siginfo target op is supported. */
344 virtual bool supports_qxfer_siginfo ();
346 /* Read/Write extra signal info. */
347 virtual int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
348 unsigned const char *writebuf
,
349 CORE_ADDR offset
, int len
);
351 /* Return true if non-stop mode is supported. */
352 virtual bool supports_non_stop ();
354 /* Enables async target events. Returns the previous enable
356 virtual bool async (bool enable
);
358 /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false)
359 mode. Return 0 on success, -1 otherwise. */
360 virtual int start_non_stop (bool enable
);
362 /* Returns true if the target supports multi-process debugging. */
363 virtual bool supports_multi_process ();
365 /* Returns true if fork events are supported. */
366 virtual bool supports_fork_events ();
368 /* Returns true if vfork events are supported. */
369 virtual bool supports_vfork_events ();
371 /* Returns true if exec events are supported. */
372 virtual bool supports_exec_events ();
374 /* Allows target to re-initialize connection-specific settings. */
375 virtual void handle_new_gdb_connection ();
377 /* The target-specific routine to process monitor command.
378 Returns 1 if handled, or 0 to perform default processing. */
379 virtual int handle_monitor_command (char *mon
);
381 /* Returns the core given a thread, or -1 if not known. */
382 virtual int core_of_thread (ptid_t ptid
);
384 /* Returns true if the read_loadmap target op is supported. */
385 virtual bool supports_read_loadmap ();
387 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
388 virtual int read_loadmap (const char *annex
, CORE_ADDR offset
,
389 unsigned char *myaddr
, unsigned int len
);
391 /* Target specific qSupported support. FEATURES is an array of
392 features with COUNT elements. */
393 virtual void process_qsupported (char **features
, int count
);
395 /* Return true if the target supports tracepoints, false otherwise. */
396 virtual bool supports_tracepoints ();
398 /* Read PC from REGCACHE. */
399 virtual CORE_ADDR
read_pc (regcache
*regcache
);
401 /* Write PC to REGCACHE. */
402 virtual void write_pc (regcache
*regcache
, CORE_ADDR pc
);
404 /* Return true if the thread_stopped op is supported. */
405 virtual bool supports_thread_stopped ();
407 /* Return true if THREAD is known to be stopped now. */
408 virtual bool thread_stopped (thread_info
*thread
);
410 /* Return true if the get_tib_address op is supported. */
411 virtual bool supports_get_tib_address ();
413 /* Read Thread Information Block address. */
414 virtual int get_tib_address (ptid_t ptid
, CORE_ADDR
*address
);
416 /* Pause all threads. If FREEZE, arrange for any resume attempt to
417 be ignored until an unpause_all call unfreezes threads again.
418 There can be nested calls to pause_all, so a freeze counter
419 should be maintained. */
420 virtual void pause_all (bool freeze
);
422 /* Unpause all threads. Threads that hadn't been resumed by the
423 client should be left stopped. Basically a pause/unpause call
424 pair should not end up resuming threads that were stopped before
426 virtual void unpause_all (bool unfreeze
);
428 /* Stabilize all threads. That is, force them out of jump pads. */
429 virtual void stabilize_threads ();
431 /* Return true if the install_fast_tracepoint_jump_pad op is
433 virtual bool supports_fast_tracepoints ();
435 /* Install a fast tracepoint jump pad. TPOINT is the address of the
436 tracepoint internal object as used by the IPA agent. TPADDR is
437 the address of tracepoint. COLLECTOR is address of the function
438 the jump pad redirects to. LOCKADDR is the address of the jump
439 pad lock object. ORIG_SIZE is the size in bytes of the
440 instruction at TPADDR. JUMP_ENTRY points to the address of the
441 jump pad entry, and on return holds the address past the end of
442 the created jump pad. If a trampoline is created by the function,
443 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
444 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
445 buffer containing a copy of the instruction at TPADDR.
446 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
447 return the address range where the instruction at TPADDR was relocated
448 to. If an error occurs, the ERR may be used to pass on an error
450 virtual int install_fast_tracepoint_jump_pad
451 (CORE_ADDR tpoint
, CORE_ADDR tpaddr
, CORE_ADDR collector
,
452 CORE_ADDR lockaddr
, ULONGEST orig_size
, CORE_ADDR
*jump_entry
,
453 CORE_ADDR
*trampoline
, ULONGEST
*trampoline_size
,
454 unsigned char *jjump_pad_insn
, ULONGEST
*jjump_pad_insn_size
,
455 CORE_ADDR
*adjusted_insn_addr
, CORE_ADDR
*adjusted_insn_addr_end
,
458 /* Return the minimum length of an instruction that can be safely
459 overwritten for use as a fast tracepoint. */
460 virtual int get_min_fast_tracepoint_insn_len ();
462 /* Return the bytecode operations vector for the current inferior.
463 Returns nullptr if bytecode compilation is not supported. */
464 virtual struct emit_ops
*emit_ops ();
466 /* Returns true if the target supports disabling randomization. */
467 virtual bool supports_disable_randomization ();
469 /* Return true if the qxfer_libraries_svr4 op is supported. */
470 virtual bool supports_qxfer_libraries_svr4 ();
472 /* Read solib info on SVR4 platforms. */
473 virtual int qxfer_libraries_svr4 (const char *annex
,
474 unsigned char *readbuf
,
475 unsigned const char *writebuf
,
476 CORE_ADDR offset
, int len
);
478 /* Return true if target supports debugging agent. */
479 virtual bool supports_agent ();
481 /* Enable branch tracing for PTID based on CONF and allocate a branch trace
482 target information struct for reading and for disabling branch trace. */
483 virtual btrace_target_info
*enable_btrace (ptid_t ptid
,
484 const btrace_config
*conf
);
486 /* Disable branch tracing.
487 Returns zero on success, non-zero otherwise. */
488 virtual int disable_btrace (btrace_target_info
*tinfo
);
490 /* Read branch trace data into buffer.
491 Return 0 on success; print an error message into BUFFER and return -1,
493 virtual int read_btrace (btrace_target_info
*tinfo
, buffer
*buf
,
494 enum btrace_read_type type
);
496 /* Read the branch trace configuration into BUFFER.
497 Return 0 on success; print an error message into BUFFER and return -1
499 virtual int read_btrace_conf (const btrace_target_info
*tinfo
,
503 extern process_stratum_target
*the_target
;
505 void set_target_ops (process_stratum_target
*);
507 #define target_create_inferior(program, program_args) \
508 the_target->pt->create_inferior (program, program_args)
510 #define target_post_create_inferior() \
511 the_target->pt->post_create_inferior ()
513 #define myattach(pid) \
514 the_target->pt->attach (pid)
516 int kill_inferior (process_info
*proc
);
518 #define target_supports_fork_events() \
519 the_target->pt->supports_fork_events ()
521 #define target_supports_vfork_events() \
522 the_target->pt->supports_vfork_events ()
524 #define target_supports_exec_events() \
525 the_target->pt->supports_exec_events ()
527 #define target_handle_new_gdb_connection() \
528 the_target->pt->handle_new_gdb_connection ()
530 #define detach_inferior(proc) \
531 the_target->pt->detach (proc)
533 #define mythread_alive(pid) \
534 the_target->pt->thread_alive (pid)
536 #define fetch_inferior_registers(regcache, regno) \
537 the_target->pt->fetch_registers (regcache, regno)
539 #define store_inferior_registers(regcache, regno) \
540 the_target->pt->store_registers (regcache, regno)
542 #define join_inferior(pid) \
543 the_target->pt->join (pid)
545 #define target_supports_non_stop() \
546 the_target->pt->supports_non_stop ()
548 #define target_async(enable) \
549 the_target->pt->async (enable)
551 #define target_process_qsupported(features, count) \
552 the_target->pt->process_qsupported (features, count)
554 #define target_supports_catch_syscall() \
555 (the_target->supports_catch_syscall ? \
556 (*the_target->supports_catch_syscall) () : 0)
558 #define target_get_ipa_tdesc_idx() \
559 (the_target->get_ipa_tdesc_idx \
560 ? (*the_target->get_ipa_tdesc_idx) () : 0)
562 #define target_supports_tracepoints() \
563 the_target->pt->supports_tracepoints ()
565 #define target_supports_fast_tracepoints() \
566 the_target->pt->supports_fast_tracepoints ()
568 #define target_get_min_fast_tracepoint_insn_len() \
569 the_target->pt->get_min_fast_tracepoint_insn_len ()
571 #define target_thread_stopped(thread) \
572 the_target->pt->thread_stopped (thread)
574 #define target_pause_all(freeze) \
575 the_target->pt->pause_all (freeze)
577 #define target_unpause_all(unfreeze) \
578 the_target->pt->unpause_all (unfreeze)
580 #define target_stabilize_threads() \
581 the_target->pt->stabilize_threads ()
583 #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
584 collector, lockaddr, \
587 trampoline, trampoline_size, \
589 jjump_pad_insn_size, \
590 adjusted_insn_addr, \
591 adjusted_insn_addr_end, \
593 the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \
594 collector,lockaddr, \
595 orig_size, jump_entry, \
599 jjump_pad_insn_size, \
600 adjusted_insn_addr, \
601 adjusted_insn_addr_end, \
604 #define target_emit_ops() \
605 the_target->pt->emit_ops ()
607 #define target_supports_disable_randomization() \
608 the_target->pt->supports_disable_randomization ()
610 #define target_supports_agent() \
611 the_target->pt->supports_agent ()
613 static inline struct btrace_target_info
*
614 target_enable_btrace (ptid_t ptid
, const struct btrace_config
*conf
)
616 return the_target
->pt
->enable_btrace (ptid
, conf
);
620 target_disable_btrace (struct btrace_target_info
*tinfo
)
622 return the_target
->pt
->disable_btrace (tinfo
);
626 target_read_btrace (struct btrace_target_info
*tinfo
,
627 struct buffer
*buffer
,
628 enum btrace_read_type type
)
630 return the_target
->pt
->read_btrace (tinfo
, buffer
, type
);
634 target_read_btrace_conf (struct btrace_target_info
*tinfo
,
635 struct buffer
*buffer
)
637 return the_target
->pt
->read_btrace_conf (tinfo
, buffer
);
640 #define target_supports_range_stepping() \
641 (the_target->supports_range_stepping ? \
642 (*the_target->supports_range_stepping) () : 0)
644 #define target_supports_stopped_by_sw_breakpoint() \
645 the_target->pt->supports_stopped_by_sw_breakpoint ()
647 #define target_stopped_by_sw_breakpoint() \
648 the_target->pt->stopped_by_sw_breakpoint ()
650 #define target_supports_stopped_by_hw_breakpoint() \
651 the_target->pt->supports_stopped_by_hw_breakpoint ()
653 #define target_supports_hardware_single_step() \
654 the_target->pt->supports_hardware_single_step ()
656 #define target_stopped_by_hw_breakpoint() \
657 the_target->pt->stopped_by_hw_breakpoint ()
659 #define target_breakpoint_kind_from_pc(pcptr) \
660 (the_target->breakpoint_kind_from_pc \
661 ? (*the_target->breakpoint_kind_from_pc) (pcptr) \
662 : default_breakpoint_kind_from_pc (pcptr))
664 #define target_breakpoint_kind_from_current_state(pcptr) \
665 (the_target->breakpoint_kind_from_current_state \
666 ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \
667 : target_breakpoint_kind_from_pc (pcptr))
669 #define target_supports_software_single_step() \
670 (the_target->supports_software_single_step ? \
671 (*the_target->supports_software_single_step) () : 0)
673 ptid_t
mywait (ptid_t ptid
, struct target_waitstatus
*ourstatus
, int options
,
676 /* Prepare to read or write memory from the inferior process. See the
677 corresponding process_stratum_target methods for more details. */
679 int prepare_to_access_memory (void);
680 void done_accessing_memory (void);
682 #define target_core_of_thread(ptid) \
683 the_target->pt->core_of_thread (ptid)
685 #define target_thread_name(ptid) \
686 (the_target->thread_name ? (*the_target->thread_name) (ptid) \
689 #define target_thread_handle(ptid, handle, handle_len) \
690 (the_target->thread_handle ? (*the_target->thread_handle) \
691 (ptid, handle, handle_len) \
694 int read_inferior_memory (CORE_ADDR memaddr
, unsigned char *myaddr
, int len
);
696 int set_desired_thread ();
698 const char *target_pid_to_str (ptid_t
);
700 int default_breakpoint_kind_from_pc (CORE_ADDR
*pcptr
);
702 #endif /* GDBSERVER_TARGET_H */