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 /* Reports the text, data offsets of the executable. This is
74 needed for uclinux where the executable is relocated during load
77 int (*read_offsets
) (CORE_ADDR
*text
, CORE_ADDR
*data
);
79 /* Fetch the address associated with a specific thread local storage
80 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE.
81 Stores it in *ADDRESS and returns zero on success; otherwise returns
82 an error code. A return value of -1 means this system does not
83 support the operation. */
85 int (*get_tls_address
) (struct thread_info
*thread
, CORE_ADDR offset
,
86 CORE_ADDR load_module
, CORE_ADDR
*address
);
88 /* Fill BUF with an hostio error packet representing the last hostio
90 void (*hostio_last_error
) (char *buf
);
92 /* Read/Write OS data using qXfer packets. */
93 int (*qxfer_osdata
) (const char *annex
, unsigned char *readbuf
,
94 unsigned const char *writebuf
, CORE_ADDR offset
,
97 /* Read/Write extra signal info. */
98 int (*qxfer_siginfo
) (const char *annex
, unsigned char *readbuf
,
99 unsigned const char *writebuf
,
100 CORE_ADDR offset
, int len
);
102 int (*supports_non_stop
) (void);
104 /* Enables async target events. Returns the previous enable
106 int (*async
) (int enable
);
108 /* Switch to non-stop (1) or all-stop (0) mode. Return 0 on
109 success, -1 otherwise. */
110 int (*start_non_stop
) (int);
112 /* Returns true if the target supports multi-process debugging. */
113 int (*supports_multi_process
) (void);
115 /* Returns true if fork events are supported. */
116 int (*supports_fork_events
) (void);
118 /* Returns true if vfork events are supported. */
119 int (*supports_vfork_events
) (void);
121 /* Returns true if exec events are supported. */
122 int (*supports_exec_events
) (void);
124 /* Allows target to re-initialize connection-specific settings. */
125 void (*handle_new_gdb_connection
) (void);
127 /* If not NULL, target-specific routine to process monitor command.
128 Returns 1 if handled, or 0 to perform default processing. */
129 int (*handle_monitor_command
) (char *);
131 /* Returns the core given a thread, or -1 if not known. */
132 int (*core_of_thread
) (ptid_t
);
134 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
135 int (*read_loadmap
) (const char *annex
, CORE_ADDR offset
,
136 unsigned char *myaddr
, unsigned int len
);
138 /* Target specific qSupported support. FEATURES is an array of
139 features with COUNT elements. */
140 void (*process_qsupported
) (char **features
, int count
);
142 /* Return 1 if the target supports tracepoints, 0 (or leave the
143 callback NULL) otherwise. */
144 int (*supports_tracepoints
) (void);
146 /* Read PC from REGCACHE. */
147 CORE_ADDR (*read_pc
) (struct regcache
*regcache
);
149 /* Write PC to REGCACHE. */
150 void (*write_pc
) (struct regcache
*regcache
, CORE_ADDR pc
);
152 /* Return true if THREAD is known to be stopped now. */
153 int (*thread_stopped
) (struct thread_info
*thread
);
155 /* Read Thread Information Block address. */
156 int (*get_tib_address
) (ptid_t ptid
, CORE_ADDR
*address
);
158 /* Pause all threads. If FREEZE, arrange for any resume attempt to
159 be ignored until an unpause_all call unfreezes threads again.
160 There can be nested calls to pause_all, so a freeze counter
161 should be maintained. */
162 void (*pause_all
) (int freeze
);
164 /* Unpause all threads. Threads that hadn't been resumed by the
165 client should be left stopped. Basically a pause/unpause call
166 pair should not end up resuming threads that were stopped before
168 void (*unpause_all
) (int unfreeze
);
170 /* Stabilize all threads. That is, force them out of jump pads. */
171 void (*stabilize_threads
) (void);
173 /* Install a fast tracepoint jump pad. TPOINT is the address of the
174 tracepoint internal object as used by the IPA agent. TPADDR is
175 the address of tracepoint. COLLECTOR is address of the function
176 the jump pad redirects to. LOCKADDR is the address of the jump
177 pad lock object. ORIG_SIZE is the size in bytes of the
178 instruction at TPADDR. JUMP_ENTRY points to the address of the
179 jump pad entry, and on return holds the address past the end of
180 the created jump pad. If a trampoline is created by the function,
181 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
182 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
183 buffer containing a copy of the instruction at TPADDR.
184 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
185 return the address range where the instruction at TPADDR was relocated
186 to. If an error occurs, the ERR may be used to pass on an error
188 int (*install_fast_tracepoint_jump_pad
) (CORE_ADDR tpoint
, CORE_ADDR tpaddr
,
192 CORE_ADDR
*jump_entry
,
193 CORE_ADDR
*trampoline
,
194 ULONGEST
*trampoline_size
,
195 unsigned char *jjump_pad_insn
,
196 ULONGEST
*jjump_pad_insn_size
,
197 CORE_ADDR
*adjusted_insn_addr
,
198 CORE_ADDR
*adjusted_insn_addr_end
,
201 /* Return the bytecode operations vector for the current inferior.
202 Returns NULL if bytecode compilation is not supported. */
203 struct emit_ops
*(*emit_ops
) (void);
205 /* Returns true if the target supports disabling randomization. */
206 int (*supports_disable_randomization
) (void);
208 /* Return the minimum length of an instruction that can be safely overwritten
209 for use as a fast tracepoint. */
210 int (*get_min_fast_tracepoint_insn_len
) (void);
212 /* Read solib info on SVR4 platforms. */
213 int (*qxfer_libraries_svr4
) (const char *annex
, unsigned char *readbuf
,
214 unsigned const char *writebuf
,
215 CORE_ADDR offset
, int len
);
217 /* Return true if target supports debugging agent. */
218 int (*supports_agent
) (void);
220 /* Enable branch tracing for PTID based on CONF and allocate a branch trace
221 target information struct for reading and for disabling branch trace. */
222 struct btrace_target_info
*(*enable_btrace
)
223 (ptid_t ptid
, const struct btrace_config
*conf
);
225 /* Disable branch tracing.
226 Returns zero on success, non-zero otherwise. */
227 int (*disable_btrace
) (struct btrace_target_info
*tinfo
);
229 /* Read branch trace data into buffer.
230 Return 0 on success; print an error message into BUFFER and return -1,
232 int (*read_btrace
) (struct btrace_target_info
*, struct buffer
*,
233 enum btrace_read_type type
);
235 /* Read the branch trace configuration into BUFFER.
236 Return 0 on success; print an error message into BUFFER and return -1
238 int (*read_btrace_conf
) (const struct btrace_target_info
*, struct buffer
*);
240 /* Return true if target supports range stepping. */
241 int (*supports_range_stepping
) (void);
243 /* Return the full absolute name of the executable file that was
244 run to create the process PID. If the executable file cannot
245 be determined, NULL is returned. Otherwise, a pointer to a
246 character string containing the pathname is returned. This
247 string should be copied into a buffer by the client if the string
248 will not be immediately used, or if it must persist. */
249 char *(*pid_to_exec_file
) (int pid
);
251 /* Multiple-filesystem-aware open. Like open(2), but operating in
252 the filesystem as it appears to process PID. Systems where all
253 processes share a common filesystem should set this to NULL.
254 If NULL, the caller should fall back to open(2). */
255 int (*multifs_open
) (int pid
, const char *filename
,
256 int flags
, mode_t mode
);
258 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
259 in the filesystem as it appears to process PID. Systems where
260 all processes share a common filesystem should set this to NULL.
261 If NULL, the caller should fall back to unlink(2). */
262 int (*multifs_unlink
) (int pid
, const char *filename
);
264 /* Multiple-filesystem-aware readlink. Like readlink(2), but
265 operating in the filesystem as it appears to process PID.
266 Systems where all processes share a common filesystem should
267 set this to NULL. If NULL, the caller should fall back to
269 ssize_t (*multifs_readlink
) (int pid
, const char *filename
,
270 char *buf
, size_t bufsiz
);
272 /* Return the breakpoint kind for this target based on PC. The PCPTR is
273 adjusted to the real memory location in case a flag (e.g., the Thumb bit on
274 ARM) was present in the PC. */
275 int (*breakpoint_kind_from_pc
) (CORE_ADDR
*pcptr
);
277 /* Return the software breakpoint from KIND. KIND can have target
278 specific meaning like the Z0 kind parameter.
279 SIZE is set to the software breakpoint's length in memory. */
280 const gdb_byte
*(*sw_breakpoint_from_kind
) (int kind
, int *size
);
282 /* Return the thread's name, or NULL if the target is unable to determine it.
283 The returned value must not be freed by the caller. */
284 const char *(*thread_name
) (ptid_t thread
);
286 /* Return the breakpoint kind for this target based on the current
287 processor state (e.g. the current instruction mode on ARM) and the
288 PC. The PCPTR is adjusted to the real memory location in case a flag
289 (e.g., the Thumb bit on ARM) is present in the PC. */
290 int (*breakpoint_kind_from_current_state
) (CORE_ADDR
*pcptr
);
292 /* Returns true if the target can software single step. */
293 int (*supports_software_single_step
) (void);
295 /* Return 1 if the target supports catch syscall, 0 (or leave the
296 callback NULL) otherwise. */
297 int (*supports_catch_syscall
) (void);
299 /* Return tdesc index for IPA. */
300 int (*get_ipa_tdesc_idx
) (void);
302 /* Thread ID to (numeric) thread handle: Return true on success and
303 false for failure. Return pointer to thread handle via HANDLE
304 and the handle's length via HANDLE_LEN. */
305 bool (*thread_handle
) (ptid_t ptid
, gdb_byte
**handle
, int *handle_len
);
307 /* The object that will gradually replace this struct. */
315 virtual ~process_target () = default;
317 /* Start a new process.
319 PROGRAM is a path to the program to execute.
320 PROGRAM_ARGS is a standard NULL-terminated array of arguments,
321 to be passed to the inferior as ``argv'' (along with PROGRAM).
323 Returns the new PID on success, -1 on failure. Registers the new
324 process with the process list. */
325 virtual int create_inferior (const char *program
,
326 const std::vector
<char *> &program_args
) = 0;
328 /* Do additional setup after a new process is created, including
329 exec-wrapper completion. */
330 virtual void post_create_inferior ();
332 /* Attach to a running process.
334 PID is the process ID to attach to, specified by the user
337 Returns -1 if attaching is unsupported, 0 on success, and calls
338 error() otherwise. */
339 virtual int attach (unsigned long pid
) = 0;
341 /* Kill process PROC. Return -1 on failure, and 0 on success. */
342 virtual int kill (process_info
*proc
) = 0;
344 /* Detach from process PROC. Return -1 on failure, and 0 on
346 virtual int detach (process_info
*proc
) = 0;
348 /* The inferior process has died. Do what is right. */
349 virtual void mourn (process_info
*proc
) = 0;
351 /* Wait for process PID to exit. */
352 virtual void join (int pid
) = 0;
354 /* Return true iff the thread with process ID PID is alive. */
355 virtual bool thread_alive (ptid_t pid
) = 0;
357 /* Resume the inferior process. */
358 virtual void resume (thread_resume
*resume_info
, size_t n
) = 0;
360 /* Wait for the inferior process or thread to change state. Store
361 status through argument pointer STATUS.
363 PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to
364 wait for any thread of process pid to do something. Return ptid
365 of child, or -1 in case of error; store status through argument
366 pointer STATUS. OPTIONS is a bit set of options defined as
367 TARGET_W* above. If options contains TARGET_WNOHANG and there's
368 no child stop to report, return is
369 null_ptid/TARGET_WAITKIND_IGNORE. */
370 virtual ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
373 /* Fetch registers from the inferior process.
375 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */
376 virtual void fetch_registers (regcache
*regcache
, int regno
) = 0;
378 /* Store registers to the inferior process.
380 If REGNO is -1, store all registers; otherwise, store at least REGNO. */
381 virtual void store_registers (regcache
*regcache
, int regno
) = 0;
383 /* Prepare to read or write memory from the inferior process.
384 Targets use this to do what is necessary to get the state of the
385 inferior such that it is possible to access memory.
387 This should generally only be called from client facing routines,
388 such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint
391 Like `read_memory' and `write_memory' below, returns 0 on success
392 and errno on failure. */
393 virtual int prepare_to_access_memory ();
395 /* Undo the effects of prepare_to_access_memory. */
396 virtual void done_accessing_memory ();
398 /* Read memory from the inferior process. This should generally be
399 called through read_inferior_memory, which handles breakpoint shadowing.
401 Read LEN bytes at MEMADDR into a buffer at MYADDR.
403 Returns 0 on success and errno on failure. */
404 virtual int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
407 /* Write memory to the inferior process. This should generally be
408 called through target_write_memory, which handles breakpoint shadowing.
410 Write LEN bytes from the buffer at MYADDR to MEMADDR.
412 Returns 0 on success and errno on failure. */
413 virtual int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
416 /* Query GDB for the values of any symbols we're interested in.
417 This function is called whenever we receive a "qSymbols::"
418 query, which corresponds to every time more symbols (might)
420 virtual void look_up_symbols ();
422 /* Send an interrupt request to the inferior process,
423 however is appropriate. */
424 virtual void request_interrupt () = 0;
426 /* Return true if the read_auxv target op is supported. */
427 virtual bool supports_read_auxv ();
429 /* Read auxiliary vector data from the inferior process.
431 Read LEN bytes at OFFSET into a buffer at MYADDR. */
432 virtual int read_auxv (CORE_ADDR offset
, unsigned char *myaddr
,
435 /* Returns true if GDB Z breakpoint type TYPE is supported, false
436 otherwise. The type is coded as follows:
437 '0' - software-breakpoint
438 '1' - hardware-breakpoint
439 '2' - write watchpoint
440 '3' - read watchpoint
441 '4' - access watchpoint
443 virtual bool supports_z_point_type (char z_type
);
445 /* Insert and remove a break or watchpoint.
446 Returns 0 on success, -1 on failure and 1 on unsupported. */
447 virtual int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
448 int size
, raw_breakpoint
*bp
);
450 virtual int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
451 int size
, raw_breakpoint
*bp
);
453 /* Returns true if the target stopped because it executed a software
454 breakpoint instruction, false otherwise. */
455 virtual bool stopped_by_sw_breakpoint ();
457 /* Returns true if the target knows whether a trap was caused by a
458 SW breakpoint triggering. */
459 virtual bool supports_stopped_by_sw_breakpoint ();
461 /* Returns true if the target stopped for a hardware breakpoint. */
462 virtual bool stopped_by_hw_breakpoint ();
464 /* Returns true if the target knows whether a trap was caused by a
465 HW breakpoint triggering. */
466 virtual bool supports_stopped_by_hw_breakpoint ();
468 /* Returns true if the target can do hardware single step. */
469 virtual bool supports_hardware_single_step ();
471 /* Returns true if target was stopped due to a watchpoint hit, false
473 virtual bool stopped_by_watchpoint ();
475 /* Returns the address associated with the watchpoint that hit, if any;
476 returns 0 otherwise. */
477 virtual CORE_ADDR
stopped_data_address ();
480 extern process_stratum_target
*the_target
;
482 void set_target_ops (process_stratum_target
*);
484 #define target_create_inferior(program, program_args) \
485 the_target->pt->create_inferior (program, program_args)
487 #define target_post_create_inferior() \
488 the_target->pt->post_create_inferior ()
490 #define myattach(pid) \
491 the_target->pt->attach (pid)
493 int kill_inferior (process_info
*proc
);
495 #define target_supports_fork_events() \
496 (the_target->supports_fork_events ? \
497 (*the_target->supports_fork_events) () : 0)
499 #define target_supports_vfork_events() \
500 (the_target->supports_vfork_events ? \
501 (*the_target->supports_vfork_events) () : 0)
503 #define target_supports_exec_events() \
504 (the_target->supports_exec_events ? \
505 (*the_target->supports_exec_events) () : 0)
507 #define target_handle_new_gdb_connection() \
510 if (the_target->handle_new_gdb_connection != NULL) \
511 (*the_target->handle_new_gdb_connection) (); \
514 #define detach_inferior(proc) \
515 the_target->pt->detach (proc)
517 #define mythread_alive(pid) \
518 the_target->pt->thread_alive (pid)
520 #define fetch_inferior_registers(regcache, regno) \
521 the_target->pt->fetch_registers (regcache, regno)
523 #define store_inferior_registers(regcache, regno) \
524 the_target->pt->store_registers (regcache, regno)
526 #define join_inferior(pid) \
527 the_target->pt->join (pid)
529 #define target_supports_non_stop() \
530 (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0)
532 #define target_async(enable) \
533 (the_target->async ? (*the_target->async) (enable) : 0)
535 #define target_process_qsupported(features, count) \
538 if (the_target->process_qsupported) \
539 the_target->process_qsupported (features, count); \
542 #define target_supports_catch_syscall() \
543 (the_target->supports_catch_syscall ? \
544 (*the_target->supports_catch_syscall) () : 0)
546 #define target_get_ipa_tdesc_idx() \
547 (the_target->get_ipa_tdesc_idx \
548 ? (*the_target->get_ipa_tdesc_idx) () : 0)
550 #define target_supports_tracepoints() \
551 (the_target->supports_tracepoints \
552 ? (*the_target->supports_tracepoints) () : 0)
554 #define target_supports_fast_tracepoints() \
555 (the_target->install_fast_tracepoint_jump_pad != NULL)
557 #define target_get_min_fast_tracepoint_insn_len() \
558 (the_target->get_min_fast_tracepoint_insn_len \
559 ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0)
561 #define thread_stopped(thread) \
562 (*the_target->thread_stopped) (thread)
564 #define pause_all(freeze) \
567 if (the_target->pause_all) \
568 (*the_target->pause_all) (freeze); \
571 #define unpause_all(unfreeze) \
574 if (the_target->unpause_all) \
575 (*the_target->unpause_all) (unfreeze); \
578 #define stabilize_threads() \
581 if (the_target->stabilize_threads) \
582 (*the_target->stabilize_threads) (); \
585 #define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
586 collector, lockaddr, \
589 trampoline, trampoline_size, \
591 jjump_pad_insn_size, \
592 adjusted_insn_addr, \
593 adjusted_insn_addr_end, \
595 (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \
596 collector,lockaddr, \
597 orig_size, jump_entry, \
601 jjump_pad_insn_size, \
602 adjusted_insn_addr, \
603 adjusted_insn_addr_end, \
606 #define target_emit_ops() \
607 (the_target->emit_ops ? (*the_target->emit_ops) () : NULL)
609 #define target_supports_disable_randomization() \
610 (the_target->supports_disable_randomization ? \
611 (*the_target->supports_disable_randomization) () : 0)
613 #define target_supports_agent() \
614 (the_target->supports_agent ? \
615 (*the_target->supports_agent) () : 0)
617 static inline struct btrace_target_info
*
618 target_enable_btrace (ptid_t ptid
, const struct btrace_config
*conf
)
620 if (the_target
->enable_btrace
== nullptr)
621 error (_("Target does not support branch tracing."));
623 return (*the_target
->enable_btrace
) (ptid
, conf
);
627 target_disable_btrace (struct btrace_target_info
*tinfo
)
629 if (the_target
->disable_btrace
== nullptr)
630 error (_("Target does not support branch tracing."));
632 return (*the_target
->disable_btrace
) (tinfo
);
636 target_read_btrace (struct btrace_target_info
*tinfo
,
637 struct buffer
*buffer
,
638 enum btrace_read_type type
)
640 if (the_target
->read_btrace
== nullptr)
641 error (_("Target does not support branch tracing."));
643 return (*the_target
->read_btrace
) (tinfo
, buffer
, type
);
647 target_read_btrace_conf (struct btrace_target_info
*tinfo
,
648 struct buffer
*buffer
)
650 if (the_target
->read_btrace_conf
== nullptr)
651 error (_("Target does not support branch tracing."));
653 return (*the_target
->read_btrace_conf
) (tinfo
, buffer
);
656 #define target_supports_range_stepping() \
657 (the_target->supports_range_stepping ? \
658 (*the_target->supports_range_stepping) () : 0)
660 #define target_supports_stopped_by_sw_breakpoint() \
661 the_target->pt->supports_stopped_by_sw_breakpoint ()
663 #define target_stopped_by_sw_breakpoint() \
664 the_target->pt->stopped_by_sw_breakpoint ()
666 #define target_supports_stopped_by_hw_breakpoint() \
667 the_target->pt->supports_stopped_by_hw_breakpoint ()
669 #define target_supports_hardware_single_step() \
670 the_target->pt->supports_hardware_single_step ()
672 #define target_stopped_by_hw_breakpoint() \
673 the_target->pt->stopped_by_hw_breakpoint ()
675 #define target_breakpoint_kind_from_pc(pcptr) \
676 (the_target->breakpoint_kind_from_pc \
677 ? (*the_target->breakpoint_kind_from_pc) (pcptr) \
678 : default_breakpoint_kind_from_pc (pcptr))
680 #define target_breakpoint_kind_from_current_state(pcptr) \
681 (the_target->breakpoint_kind_from_current_state \
682 ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \
683 : target_breakpoint_kind_from_pc (pcptr))
685 #define target_supports_software_single_step() \
686 (the_target->supports_software_single_step ? \
687 (*the_target->supports_software_single_step) () : 0)
689 /* Start non-stop mode, returns 0 on success, -1 on failure. */
691 int start_non_stop (int nonstop
);
693 ptid_t
mywait (ptid_t ptid
, struct target_waitstatus
*ourstatus
, int options
,
696 /* Prepare to read or write memory from the inferior process. See the
697 corresponding process_stratum_target methods for more details. */
699 int prepare_to_access_memory (void);
700 void done_accessing_memory (void);
702 #define target_core_of_thread(ptid) \
703 (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \
706 #define target_thread_name(ptid) \
707 (the_target->thread_name ? (*the_target->thread_name) (ptid) \
710 #define target_thread_handle(ptid, handle, handle_len) \
711 (the_target->thread_handle ? (*the_target->thread_handle) \
712 (ptid, handle, handle_len) \
715 int read_inferior_memory (CORE_ADDR memaddr
, unsigned char *myaddr
, int len
);
717 int set_desired_thread ();
719 const char *target_pid_to_str (ptid_t
);
721 int default_breakpoint_kind_from_pc (CORE_ADDR
*pcptr
);
723 #endif /* GDBSERVER_TARGET_H */