1 /* Target operations for the remote server for GDB.
2 Copyright (C) 2002-2023 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>
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/array-view.h"
31 #include "gdbsupport/btrace-common.h"
33 #include "gdbsupport/byte-vector.h"
38 /* This structure describes how to resume a particular thread (or all
39 threads) based on the client's request. If thread is -1, then this
40 entry applies to all threads. These are passed around as an
47 /* How to "resume". */
48 enum resume_kind kind
;
50 /* If non-zero, send this signal when we resume, or to stop the
51 thread. If stopping a thread, and this is 0, the target should
52 stop the thread however it best decides to (e.g., SIGSTOP on
53 linux; SuspendThread on win32). This is a host signal value (not
57 /* Range to single step within. Valid only iff KIND is resume_step.
59 Single-step once, and then continuing stepping as long as the
60 thread stops in this range. (If the range is empty
61 [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step
63 CORE_ADDR step_range_start
; /* Inclusive */
64 CORE_ADDR step_range_end
; /* Exclusive */
67 /* GDBserver doesn't have a concept of strata like GDB, but we call
68 its target vector "process_stratum" anyway for the benefit of
71 class process_stratum_target
75 virtual ~process_stratum_target () = default;
77 /* Start a new process.
79 PROGRAM is a path to the program to execute.
80 PROGRAM_ARGS is a standard NULL-terminated array of arguments,
81 to be passed to the inferior as ``argv'' (along with PROGRAM).
83 Returns the new PID on success, -1 on failure. Registers the new
84 process with the process list. */
85 virtual int create_inferior (const char *program
,
86 const std::vector
<char *> &program_args
) = 0;
88 /* Do additional setup after a new process is created, including
89 exec-wrapper completion. */
90 virtual void post_create_inferior ();
92 /* Attach to a running process.
94 PID is the process ID to attach to, specified by the user
97 Returns -1 if attaching is unsupported, 0 on success, and calls
99 virtual int attach (unsigned long pid
) = 0;
101 /* Kill process PROC. Return -1 on failure, and 0 on success. */
102 virtual int kill (process_info
*proc
) = 0;
104 /* Detach from process PROC. Return -1 on failure, and 0 on
106 virtual int detach (process_info
*proc
) = 0;
108 /* The inferior process has died. Do what is right. */
109 virtual void mourn (process_info
*proc
) = 0;
111 /* Wait for process PID to exit. */
112 virtual void join (int pid
) = 0;
114 /* Return true iff the thread with process ID PID is alive. */
115 virtual bool thread_alive (ptid_t pid
) = 0;
117 /* Resume the inferior process. */
118 virtual void resume (thread_resume
*resume_info
, size_t n
) = 0;
120 /* Wait for the inferior process or thread to change state. Store
121 status through argument pointer STATUS.
123 PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to
124 wait for any thread of process pid to do something. Return ptid
125 of child, or -1 in case of error; store status through argument
126 pointer STATUS. OPTIONS is a bit set of options defined as
127 TARGET_W* above. If options contains TARGET_WNOHANG and there's
128 no child stop to report, return is
129 null_ptid/TARGET_WAITKIND_IGNORE. */
130 virtual ptid_t
wait (ptid_t ptid
, target_waitstatus
*status
,
131 target_wait_flags options
) = 0;
133 /* Fetch registers from the inferior process.
135 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */
136 virtual void fetch_registers (regcache
*regcache
, int regno
) = 0;
138 /* Store registers to the inferior process.
140 If REGNO is -1, store all registers; otherwise, store at least REGNO. */
141 virtual void store_registers (regcache
*regcache
, int regno
) = 0;
143 /* Read memory from the inferior process. This should generally be
144 called through read_inferior_memory, which handles breakpoint shadowing.
146 Read LEN bytes at MEMADDR into a buffer at MYADDR.
148 Returns 0 on success and errno on failure. */
149 virtual int read_memory (CORE_ADDR memaddr
, unsigned char *myaddr
,
152 /* Write memory to the inferior process. This should generally be
153 called through target_write_memory, which handles breakpoint shadowing.
155 Write LEN bytes from the buffer at MYADDR to MEMADDR.
157 Returns 0 on success and errno on failure. */
158 virtual int write_memory (CORE_ADDR memaddr
, const unsigned char *myaddr
,
161 /* Query GDB for the values of any symbols we're interested in.
162 This function is called whenever we receive a "qSymbols::"
163 query, which corresponds to every time more symbols (might)
165 virtual void look_up_symbols ();
167 /* Send an interrupt request to the inferior process,
168 however is appropriate. */
169 virtual void request_interrupt () = 0;
171 /* Return true if the read_auxv target op is supported. */
172 virtual bool supports_read_auxv ();
174 /* Read auxiliary vector data from the process with pid PID.
176 Read LEN bytes at OFFSET into a buffer at MYADDR. */
177 virtual int read_auxv (int pid
, CORE_ADDR offset
, unsigned char *myaddr
,
180 /* Returns true if GDB Z breakpoint type TYPE is supported, false
181 otherwise. The type is coded as follows:
182 '0' - software-breakpoint
183 '1' - hardware-breakpoint
184 '2' - write watchpoint
185 '3' - read watchpoint
186 '4' - access watchpoint
188 virtual bool supports_z_point_type (char z_type
);
190 /* Insert and remove a break or watchpoint.
191 Returns 0 on success, -1 on failure and 1 on unsupported. */
192 virtual int insert_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
193 int size
, raw_breakpoint
*bp
);
195 virtual int remove_point (enum raw_bkpt_type type
, CORE_ADDR addr
,
196 int size
, raw_breakpoint
*bp
);
198 /* Returns true if the target stopped because it executed a software
199 breakpoint instruction, false otherwise. */
200 virtual bool stopped_by_sw_breakpoint ();
202 /* Returns true if the target knows whether a trap was caused by a
203 SW breakpoint triggering. */
204 virtual bool supports_stopped_by_sw_breakpoint ();
206 /* Returns true if the target stopped for a hardware breakpoint. */
207 virtual bool stopped_by_hw_breakpoint ();
209 /* Returns true if the target knows whether a trap was caused by a
210 HW breakpoint triggering. */
211 virtual bool supports_stopped_by_hw_breakpoint ();
213 /* Returns true if the target can do hardware single step. */
214 virtual bool supports_hardware_single_step ();
216 /* Returns true if target was stopped due to a watchpoint hit, false
218 virtual bool stopped_by_watchpoint ();
220 /* Returns the address associated with the watchpoint that hit, if any;
221 returns 0 otherwise. */
222 virtual CORE_ADDR
stopped_data_address ();
224 /* Return true if the read_offsets target op is supported. */
225 virtual bool supports_read_offsets ();
227 /* Reports the text, data offsets of the executable. This is
228 needed for uclinux where the executable is relocated during load
230 virtual int read_offsets (CORE_ADDR
*text
, CORE_ADDR
*data
);
232 /* Return true if the get_tls_address target op is supported. */
233 virtual bool supports_get_tls_address ();
235 /* Fetch the address associated with a specific thread local storage
236 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE.
237 Stores it in *ADDRESS and returns zero on success; otherwise returns
238 an error code. A return value of -1 means this system does not
239 support the operation. */
240 virtual int get_tls_address (thread_info
*thread
, CORE_ADDR offset
,
241 CORE_ADDR load_module
, CORE_ADDR
*address
);
243 /* Return true if the qxfer_osdata target op is supported. */
244 virtual bool supports_qxfer_osdata ();
246 /* Read/Write OS data using qXfer packets. */
247 virtual int qxfer_osdata (const char *annex
, unsigned char *readbuf
,
248 unsigned const char *writebuf
,
249 CORE_ADDR offset
, int len
);
251 /* Return true if the qxfer_siginfo target op is supported. */
252 virtual bool supports_qxfer_siginfo ();
254 /* Read/Write extra signal info. */
255 virtual int qxfer_siginfo (const char *annex
, unsigned char *readbuf
,
256 unsigned const char *writebuf
,
257 CORE_ADDR offset
, int len
);
259 /* Return true if non-stop mode is supported. */
260 virtual bool supports_non_stop ();
262 /* Enables async target events. Returns the previous enable
264 virtual bool async (bool enable
);
266 /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false)
267 mode. Return 0 on success, -1 otherwise. */
268 virtual int start_non_stop (bool enable
);
270 /* Returns true if the target supports multi-process debugging. */
271 virtual bool supports_multi_process ();
273 /* Returns true if fork events are supported. */
274 virtual bool supports_fork_events ();
276 /* Returns true if vfork events are supported. */
277 virtual bool supports_vfork_events ();
279 /* Returns the set of supported thread options. */
280 virtual gdb_thread_options
supported_thread_options ();
282 /* Returns true if exec events are supported. */
283 virtual bool supports_exec_events ();
285 /* Allows target to re-initialize connection-specific settings. */
286 virtual void handle_new_gdb_connection ();
288 /* The target-specific routine to process monitor command.
289 Returns 1 if handled, or 0 to perform default processing. */
290 virtual int handle_monitor_command (char *mon
);
292 /* Returns the core given a thread, or -1 if not known. */
293 virtual int core_of_thread (ptid_t ptid
);
295 /* Returns true if the read_loadmap target op is supported. */
296 virtual bool supports_read_loadmap ();
298 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
299 virtual int read_loadmap (const char *annex
, CORE_ADDR offset
,
300 unsigned char *myaddr
, unsigned int len
);
302 /* Target specific qSupported support. FEATURES is an array of
303 features unsupported by the core of GDBserver. */
304 virtual void process_qsupported
305 (gdb::array_view
<const char * const> features
);
307 /* Return true if the target supports tracepoints, false otherwise. */
308 virtual bool supports_tracepoints ();
310 /* Read PC from REGCACHE. */
311 virtual CORE_ADDR
read_pc (regcache
*regcache
);
313 /* Write PC to REGCACHE. */
314 virtual void write_pc (regcache
*regcache
, CORE_ADDR pc
);
316 /* Return true if the thread_stopped op is supported. */
317 virtual bool supports_thread_stopped ();
319 /* Return true if THREAD is known to be stopped now. */
320 virtual bool thread_stopped (thread_info
*thread
);
322 /* Return true if the get_tib_address op is supported. */
323 virtual bool supports_get_tib_address ();
325 /* Read Thread Information Block address. */
326 virtual int get_tib_address (ptid_t ptid
, CORE_ADDR
*address
);
328 /* Pause all threads. If FREEZE, arrange for any resume attempt to
329 be ignored until an unpause_all call unfreezes threads again.
330 There can be nested calls to pause_all, so a freeze counter
331 should be maintained. */
332 virtual void pause_all (bool freeze
);
334 /* Unpause all threads. Threads that hadn't been resumed by the
335 client should be left stopped. Basically a pause/unpause call
336 pair should not end up resuming threads that were stopped before
338 virtual void unpause_all (bool unfreeze
);
340 /* Stabilize all threads. That is, force them out of jump pads. */
341 virtual void stabilize_threads ();
343 /* Return true if the install_fast_tracepoint_jump_pad op is
345 virtual bool supports_fast_tracepoints ();
347 /* Install a fast tracepoint jump pad. TPOINT is the address of the
348 tracepoint internal object as used by the IPA agent. TPADDR is
349 the address of tracepoint. COLLECTOR is address of the function
350 the jump pad redirects to. LOCKADDR is the address of the jump
351 pad lock object. ORIG_SIZE is the size in bytes of the
352 instruction at TPADDR. JUMP_ENTRY points to the address of the
353 jump pad entry, and on return holds the address past the end of
354 the created jump pad. If a trampoline is created by the function,
355 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
356 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
357 buffer containing a copy of the instruction at TPADDR.
358 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
359 return the address range where the instruction at TPADDR was relocated
360 to. If an error occurs, the ERR may be used to pass on an error
362 virtual int install_fast_tracepoint_jump_pad
363 (CORE_ADDR tpoint
, CORE_ADDR tpaddr
, CORE_ADDR collector
,
364 CORE_ADDR lockaddr
, ULONGEST orig_size
, CORE_ADDR
*jump_entry
,
365 CORE_ADDR
*trampoline
, ULONGEST
*trampoline_size
,
366 unsigned char *jjump_pad_insn
, ULONGEST
*jjump_pad_insn_size
,
367 CORE_ADDR
*adjusted_insn_addr
, CORE_ADDR
*adjusted_insn_addr_end
,
370 /* Return the minimum length of an instruction that can be safely
371 overwritten for use as a fast tracepoint. */
372 virtual int get_min_fast_tracepoint_insn_len ();
374 /* Return the bytecode operations vector for the current inferior.
375 Returns nullptr if bytecode compilation is not supported. */
376 virtual struct emit_ops
*emit_ops ();
378 /* Returns true if the target supports disabling randomization. */
379 virtual bool supports_disable_randomization ();
381 /* Return true if the qxfer_libraries_svr4 op is supported. */
382 virtual bool supports_qxfer_libraries_svr4 ();
384 /* Read solib info on SVR4 platforms. */
385 virtual int qxfer_libraries_svr4 (const char *annex
,
386 unsigned char *readbuf
,
387 unsigned const char *writebuf
,
388 CORE_ADDR offset
, int len
);
390 /* Return true if target supports debugging agent. */
391 virtual bool supports_agent ();
393 /* Return true if target supports btrace. */
394 virtual bool supports_btrace ();
396 /* Enable branch tracing for TP based on CONF and allocate a branch trace
397 target information struct for reading and for disabling branch trace. */
398 virtual btrace_target_info
*enable_btrace (thread_info
*tp
,
399 const btrace_config
*conf
);
401 /* Disable branch tracing.
402 Returns zero on success, non-zero otherwise. */
403 virtual int disable_btrace (btrace_target_info
*tinfo
);
405 /* Read branch trace data into buffer.
406 Return 0 on success; print an error message into BUFFER and return -1,
408 virtual int read_btrace (btrace_target_info
*tinfo
, std::string
*buf
,
409 enum btrace_read_type type
);
411 /* Read the branch trace configuration into BUFFER.
412 Return 0 on success; print an error message into BUFFER and return -1
414 virtual int read_btrace_conf (const btrace_target_info
*tinfo
,
417 /* Return true if target supports range stepping. */
418 virtual bool supports_range_stepping ();
420 /* Return true if the pid_to_exec_file op is supported. */
421 virtual bool supports_pid_to_exec_file ();
423 /* Return the full absolute name of the executable file that was
424 run to create the process PID. If the executable file cannot
425 be determined, NULL is returned. Otherwise, a pointer to a
426 character string containing the pathname is returned. This
427 string should be copied into a buffer by the client if the string
428 will not be immediately used, or if it must persist. */
429 virtual const char *pid_to_exec_file (int pid
);
431 /* Return true if any of the multifs ops is supported. */
432 virtual bool supports_multifs ();
434 /* Multiple-filesystem-aware open. Like open(2), but operating in
435 the filesystem as it appears to process PID. Systems where all
436 processes share a common filesystem should not override this.
437 The default behavior is to use open(2). */
438 virtual int multifs_open (int pid
, const char *filename
,
439 int flags
, mode_t mode
);
441 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
442 in the filesystem as it appears to process PID. Systems where
443 all processes share a common filesystem should not override this.
444 The default behavior is to use unlink(2). */
445 virtual int multifs_unlink (int pid
, const char *filename
);
447 /* Multiple-filesystem-aware readlink. Like readlink(2), but
448 operating in the filesystem as it appears to process PID.
449 Systems where all processes share a common filesystem should
450 not override this. The default behavior is to use readlink(2). */
451 virtual ssize_t
multifs_readlink (int pid
, const char *filename
,
452 char *buf
, size_t bufsiz
);
454 /* Return the breakpoint kind for this target based on PC. The
455 PCPTR is adjusted to the real memory location in case a flag
456 (e.g., the Thumb bit on ARM) was present in the PC. */
457 virtual int breakpoint_kind_from_pc (CORE_ADDR
*pcptr
);
459 /* Return the software breakpoint from KIND. KIND can have target
460 specific meaning like the Z0 kind parameter.
461 SIZE is set to the software breakpoint's length in memory. */
462 virtual const gdb_byte
*sw_breakpoint_from_kind (int kind
, int *size
) = 0;
464 /* Return the breakpoint kind for this target based on the current
465 processor state (e.g. the current instruction mode on ARM) and the
466 PC. The PCPTR is adjusted to the real memory location in case a
467 flag (e.g., the Thumb bit on ARM) is present in the PC. */
468 virtual int breakpoint_kind_from_current_state (CORE_ADDR
*pcptr
);
470 /* Return the thread's name, or NULL if the target is unable to
471 determine it. The returned value must not be freed by the
473 virtual const char *thread_name (ptid_t thread
);
475 /* Thread ID to (numeric) thread handle: Return true on success and
476 false for failure. Return pointer to thread handle via HANDLE
477 and the handle's length via HANDLE_LEN. */
478 virtual bool thread_handle (ptid_t ptid
, gdb_byte
**handle
,
481 /* If THREAD is a fork child that was not reported to GDB, return its parent
483 virtual thread_info
*thread_pending_parent (thread_info
*thread
);
485 /* If THREAD is the parent of a fork child that was not reported to GDB,
486 return this child, else nullptr. */
487 virtual thread_info
*thread_pending_child (thread_info
*thread
);
489 /* Returns true if the target can software single step. */
490 virtual bool supports_software_single_step ();
492 /* Return true if the target supports catch syscall. */
493 virtual bool supports_catch_syscall ();
495 /* Return tdesc index for IPA. */
496 virtual int get_ipa_tdesc_idx ();
498 /* Returns true if the target supports memory tagging facilities. */
499 virtual bool supports_memory_tagging ();
501 /* Return the allocated memory tags of type TYPE associated with
502 [ADDRESS, ADDRESS + LEN) in TAGS.
504 Returns true if successful and false otherwise. */
505 virtual bool fetch_memtags (CORE_ADDR address
, size_t len
,
506 gdb::byte_vector
&tags
, int type
);
508 /* Write the allocation tags of type TYPE contained in TAGS to the
509 memory range [ADDRESS, ADDRESS + LEN).
511 Returns true if successful and false otherwise. */
512 virtual bool store_memtags (CORE_ADDR address
, size_t len
,
513 const gdb::byte_vector
&tags
, int type
);
516 extern process_stratum_target
*the_target
;
518 void set_target_ops (process_stratum_target
*);
520 #define target_create_inferior(program, program_args) \
521 the_target->create_inferior (program, program_args)
523 #define target_post_create_inferior() \
524 the_target->post_create_inferior ()
526 #define myattach(pid) \
527 the_target->attach (pid)
529 int kill_inferior (process_info
*proc
);
531 #define target_supports_fork_events() \
532 the_target->supports_fork_events ()
534 #define target_supports_vfork_events() \
535 the_target->supports_vfork_events ()
537 #define target_supported_thread_options(options) \
538 the_target->supported_thread_options (options)
540 #define target_supports_exec_events() \
541 the_target->supports_exec_events ()
543 #define target_supports_memory_tagging() \
544 the_target->supports_memory_tagging ()
546 #define target_handle_new_gdb_connection() \
547 the_target->handle_new_gdb_connection ()
549 #define detach_inferior(proc) \
550 the_target->detach (proc)
552 #define mythread_alive(pid) \
553 the_target->thread_alive (pid)
555 #define fetch_inferior_registers(regcache, regno) \
556 the_target->fetch_registers (regcache, regno)
558 #define store_inferior_registers(regcache, regno) \
559 the_target->store_registers (regcache, regno)
561 #define join_inferior(pid) \
562 the_target->join (pid)
564 #define target_supports_non_stop() \
565 the_target->supports_non_stop ()
567 #define target_async(enable) \
568 the_target->async (enable)
570 #define target_process_qsupported(features) \
571 the_target->process_qsupported (features)
573 #define target_supports_catch_syscall() \
574 the_target->supports_catch_syscall ()
576 #define target_get_ipa_tdesc_idx() \
577 the_target->get_ipa_tdesc_idx ()
579 #define target_supports_tracepoints() \
580 the_target->supports_tracepoints ()
582 #define target_supports_fast_tracepoints() \
583 the_target->supports_fast_tracepoints ()
585 #define target_get_min_fast_tracepoint_insn_len() \
586 the_target->get_min_fast_tracepoint_insn_len ()
588 #define target_thread_stopped(thread) \
589 the_target->thread_stopped (thread)
591 #define target_pause_all(freeze) \
592 the_target->pause_all (freeze)
594 #define target_unpause_all(unfreeze) \
595 the_target->unpause_all (unfreeze)
597 #define target_stabilize_threads() \
598 the_target->stabilize_threads ()
600 #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
601 collector, lockaddr, \
604 trampoline, trampoline_size, \
606 jjump_pad_insn_size, \
607 adjusted_insn_addr, \
608 adjusted_insn_addr_end, \
610 the_target->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \
611 collector,lockaddr, \
612 orig_size, jump_entry, \
616 jjump_pad_insn_size, \
617 adjusted_insn_addr, \
618 adjusted_insn_addr_end, \
621 #define target_emit_ops() \
622 the_target->emit_ops ()
624 #define target_supports_disable_randomization() \
625 the_target->supports_disable_randomization ()
627 #define target_supports_agent() \
628 the_target->supports_agent ()
630 static inline struct btrace_target_info
*
631 target_enable_btrace (thread_info
*tp
, const struct btrace_config
*conf
)
633 return the_target
->enable_btrace (tp
, conf
);
637 target_disable_btrace (struct btrace_target_info
*tinfo
)
639 return the_target
->disable_btrace (tinfo
);
643 target_read_btrace (struct btrace_target_info
*tinfo
,
645 enum btrace_read_type type
)
647 return the_target
->read_btrace (tinfo
, buffer
, type
);
651 target_read_btrace_conf (struct btrace_target_info
*tinfo
,
654 return the_target
->read_btrace_conf (tinfo
, buffer
);
657 #define target_supports_range_stepping() \
658 the_target->supports_range_stepping ()
660 #define target_supports_stopped_by_sw_breakpoint() \
661 the_target->supports_stopped_by_sw_breakpoint ()
663 #define target_stopped_by_sw_breakpoint() \
664 the_target->stopped_by_sw_breakpoint ()
666 #define target_supports_stopped_by_hw_breakpoint() \
667 the_target->supports_stopped_by_hw_breakpoint ()
669 #define target_supports_hardware_single_step() \
670 the_target->supports_hardware_single_step ()
672 #define target_stopped_by_hw_breakpoint() \
673 the_target->stopped_by_hw_breakpoint ()
675 #define target_breakpoint_kind_from_pc(pcptr) \
676 the_target->breakpoint_kind_from_pc (pcptr)
678 #define target_breakpoint_kind_from_current_state(pcptr) \
679 the_target->breakpoint_kind_from_current_state (pcptr)
681 #define target_supports_software_single_step() \
682 the_target->supports_software_single_step ()
684 ptid_t
mywait (ptid_t ptid
, struct target_waitstatus
*ourstatus
,
685 target_wait_flags options
, int connected_wait
);
687 #define target_core_of_thread(ptid) \
688 the_target->core_of_thread (ptid)
690 #define target_thread_name(ptid) \
691 the_target->thread_name (ptid)
693 #define target_thread_handle(ptid, handle, handle_len) \
694 the_target->thread_handle (ptid, handle, handle_len)
696 static inline thread_info
*
697 target_thread_pending_parent (thread_info
*thread
)
699 return the_target
->thread_pending_parent (thread
);
702 static inline thread_info
*
703 target_thread_pending_child (thread_info
*thread
)
705 return the_target
->thread_pending_child (thread
);
708 /* Read LEN bytes from MEMADDR in the buffer MYADDR. Return 0 if the read
709 is successful, otherwise, return a non-zero error code. */
711 int read_inferior_memory (CORE_ADDR memaddr
, unsigned char *myaddr
, int len
);
713 /* Set GDBserver's current thread to the thread the client requested
714 via Hg. Also switches the current process to the requested
715 process. If the requested thread is not found in the thread list,
716 then the current thread is set to NULL. Likewise, if the requested
717 process is not found in the process list, then the current process
718 is set to NULL. Returns true if the requested thread was found,
721 bool set_desired_thread ();
723 /* Set GDBserver's current process to the process the client requested
724 via Hg. The current thread is set to NULL. */
726 bool set_desired_process ();
728 std::string
target_pid_to_str (ptid_t
);
730 #endif /* GDBSERVER_TARGET_H */