1 /* Target operations for the remote server for GDB. 2 Copyright (C) 2002-2020 Free Software Foundation, Inc. 3 4 Contributed by MontaVista Software. 5 6 This file is part of GDB. 7 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. 12 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. 17 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/>. */ 20 21 #ifndef GDBSERVER_TARGET_H 22 #define GDBSERVER_TARGET_H 23 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/array-view.h" 31 #include "gdbsupport/btrace-common.h" 32 #include <vector> 33 34 struct emit_ops; 35 struct buffer; 36 struct process_info; 37 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 41 array. */ 42 43 struct thread_resume 44 { 45 ptid_t thread; 46 47 /* How to "resume". */ 48 enum resume_kind kind; 49 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 54 enum gdb_signal). */ 55 int sig; 56 57 /* Range to single step within. Valid only iff KIND is resume_step. 58 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 62 request.) */ 63 CORE_ADDR step_range_start; /* Inclusive */ 64 CORE_ADDR step_range_end; /* Exclusive */ 65 }; 66 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 69 shared code. */ 70 71 class process_stratum_target 72 { 73 public: 74 75 virtual ~process_stratum_target () = default; 76 77 /* Start a new process. 78 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). 82 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; 87 88 /* Do additional setup after a new process is created, including 89 exec-wrapper completion. */ 90 virtual void post_create_inferior (); 91 92 /* Attach to a running process. 93 94 PID is the process ID to attach to, specified by the user 95 or a higher layer. 96 97 Returns -1 if attaching is unsupported, 0 on success, and calls 98 error() otherwise. */ 99 virtual int attach (unsigned long pid) = 0; 100 101 /* Kill process PROC. Return -1 on failure, and 0 on success. */ 102 virtual int kill (process_info *proc) = 0; 103 104 /* Detach from process PROC. Return -1 on failure, and 0 on 105 success. */ 106 virtual int detach (process_info *proc) = 0; 107 108 /* The inferior process has died. Do what is right. */ 109 virtual void mourn (process_info *proc) = 0; 110 111 /* Wait for process PID to exit. */ 112 virtual void join (int pid) = 0; 113 114 /* Return true iff the thread with process ID PID is alive. */ 115 virtual bool thread_alive (ptid_t pid) = 0; 116 117 /* Resume the inferior process. */ 118 virtual void resume (thread_resume *resume_info, size_t n) = 0; 119 120 /* Wait for the inferior process or thread to change state. Store 121 status through argument pointer STATUS. 122 123 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 int options) = 0; 132 133 /* Fetch registers from the inferior process. 134 135 If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ 136 virtual void fetch_registers (regcache *regcache, int regno) = 0; 137 138 /* Store registers to the inferior process. 139 140 If REGNO is -1, store all registers; otherwise, store at least REGNO. */ 141 virtual void store_registers (regcache *regcache, int regno) = 0; 142 143 /* Prepare to read or write memory from the inferior process. 144 Targets use this to do what is necessary to get the state of the 145 inferior such that it is possible to access memory. 146 147 This should generally only be called from client facing routines, 148 such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint 149 insertion routine. 150 151 Like `read_memory' and `write_memory' below, returns 0 on success 152 and errno on failure. */ 153 virtual int prepare_to_access_memory (); 154 155 /* Undo the effects of prepare_to_access_memory. */ 156 virtual void done_accessing_memory (); 157 158 /* Read memory from the inferior process. This should generally be 159 called through read_inferior_memory, which handles breakpoint shadowing. 160 161 Read LEN bytes at MEMADDR into a buffer at MYADDR. 162 163 Returns 0 on success and errno on failure. */ 164 virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, 165 int len) = 0; 166 167 /* Write memory to the inferior process. This should generally be 168 called through target_write_memory, which handles breakpoint shadowing. 169 170 Write LEN bytes from the buffer at MYADDR to MEMADDR. 171 172 Returns 0 on success and errno on failure. */ 173 virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, 174 int len) = 0; 175 176 /* Query GDB for the values of any symbols we're interested in. 177 This function is called whenever we receive a "qSymbols::" 178 query, which corresponds to every time more symbols (might) 179 become available. */ 180 virtual void look_up_symbols (); 181 182 /* Send an interrupt request to the inferior process, 183 however is appropriate. */ 184 virtual void request_interrupt () = 0; 185 186 /* Return true if the read_auxv target op is supported. */ 187 virtual bool supports_read_auxv (); 188 189 /* Read auxiliary vector data from the inferior process. 190 191 Read LEN bytes at OFFSET into a buffer at MYADDR. */ 192 virtual int read_auxv (CORE_ADDR offset, unsigned char *myaddr, 193 unsigned int len); 194 195 /* Returns true if GDB Z breakpoint type TYPE is supported, false 196 otherwise. The type is coded as follows: 197 '0' - software-breakpoint 198 '1' - hardware-breakpoint 199 '2' - write watchpoint 200 '3' - read watchpoint 201 '4' - access watchpoint 202 */ 203 virtual bool supports_z_point_type (char z_type); 204 205 /* Insert and remove a break or watchpoint. 206 Returns 0 on success, -1 on failure and 1 on unsupported. */ 207 virtual int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, 208 int size, raw_breakpoint *bp); 209 210 virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, 211 int size, raw_breakpoint *bp); 212 213 /* Returns true if the target stopped because it executed a software 214 breakpoint instruction, false otherwise. */ 215 virtual bool stopped_by_sw_breakpoint (); 216 217 /* Returns true if the target knows whether a trap was caused by a 218 SW breakpoint triggering. */ 219 virtual bool supports_stopped_by_sw_breakpoint (); 220 221 /* Returns true if the target stopped for a hardware breakpoint. */ 222 virtual bool stopped_by_hw_breakpoint (); 223 224 /* Returns true if the target knows whether a trap was caused by a 225 HW breakpoint triggering. */ 226 virtual bool supports_stopped_by_hw_breakpoint (); 227 228 /* Returns true if the target can do hardware single step. */ 229 virtual bool supports_hardware_single_step (); 230 231 /* Returns true if target was stopped due to a watchpoint hit, false 232 otherwise. */ 233 virtual bool stopped_by_watchpoint (); 234 235 /* Returns the address associated with the watchpoint that hit, if any; 236 returns 0 otherwise. */ 237 virtual CORE_ADDR stopped_data_address (); 238 239 /* Return true if the read_offsets target op is supported. */ 240 virtual bool supports_read_offsets (); 241 242 /* Reports the text, data offsets of the executable. This is 243 needed for uclinux where the executable is relocated during load 244 time. */ 245 virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); 246 247 /* Return true if the get_tls_address target op is supported. */ 248 virtual bool supports_get_tls_address (); 249 250 /* Fetch the address associated with a specific thread local storage 251 area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. 252 Stores it in *ADDRESS and returns zero on success; otherwise returns 253 an error code. A return value of -1 means this system does not 254 support the operation. */ 255 virtual int get_tls_address (thread_info *thread, CORE_ADDR offset, 256 CORE_ADDR load_module, CORE_ADDR *address); 257 258 /* Fill BUF with an hostio error packet representing the last hostio 259 error. */ 260 virtual void hostio_last_error (char *buf); 261 262 /* Return true if the qxfer_osdata target op is supported. */ 263 virtual bool supports_qxfer_osdata (); 264 265 /* Read/Write OS data using qXfer packets. */ 266 virtual int qxfer_osdata (const char *annex, unsigned char *readbuf, 267 unsigned const char *writebuf, 268 CORE_ADDR offset, int len); 269 270 /* Return true if the qxfer_siginfo target op is supported. */ 271 virtual bool supports_qxfer_siginfo (); 272 273 /* Read/Write extra signal info. */ 274 virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf, 275 unsigned const char *writebuf, 276 CORE_ADDR offset, int len); 277 278 /* Return true if non-stop mode is supported. */ 279 virtual bool supports_non_stop (); 280 281 /* Enables async target events. Returns the previous enable 282 state. */ 283 virtual bool async (bool enable); 284 285 /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false) 286 mode. Return 0 on success, -1 otherwise. */ 287 virtual int start_non_stop (bool enable); 288 289 /* Returns true if the target supports multi-process debugging. */ 290 virtual bool supports_multi_process (); 291 292 /* Returns true if fork events are supported. */ 293 virtual bool supports_fork_events (); 294 295 /* Returns true if vfork events are supported. */ 296 virtual bool supports_vfork_events (); 297 298 /* Returns true if exec events are supported. */ 299 virtual bool supports_exec_events (); 300 301 /* Allows target to re-initialize connection-specific settings. */ 302 virtual void handle_new_gdb_connection (); 303 304 /* The target-specific routine to process monitor command. 305 Returns 1 if handled, or 0 to perform default processing. */ 306 virtual int handle_monitor_command (char *mon); 307 308 /* Returns the core given a thread, or -1 if not known. */ 309 virtual int core_of_thread (ptid_t ptid); 310 311 /* Returns true if the read_loadmap target op is supported. */ 312 virtual bool supports_read_loadmap (); 313 314 /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ 315 virtual int read_loadmap (const char *annex, CORE_ADDR offset, 316 unsigned char *myaddr, unsigned int len); 317 318 /* Target specific qSupported support. FEATURES is an array of 319 features unsupported by the core of GDBserver. */ 320 virtual void process_qsupported 321 (gdb::array_view<const char * const> features); 322 323 /* Return true if the target supports tracepoints, false otherwise. */ 324 virtual bool supports_tracepoints (); 325 326 /* Read PC from REGCACHE. */ 327 virtual CORE_ADDR read_pc (regcache *regcache); 328 329 /* Write PC to REGCACHE. */ 330 virtual void write_pc (regcache *regcache, CORE_ADDR pc); 331 332 /* Return true if the thread_stopped op is supported. */ 333 virtual bool supports_thread_stopped (); 334 335 /* Return true if THREAD is known to be stopped now. */ 336 virtual bool thread_stopped (thread_info *thread); 337 338 /* Return true if the get_tib_address op is supported. */ 339 virtual bool supports_get_tib_address (); 340 341 /* Read Thread Information Block address. */ 342 virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); 343 344 /* Pause all threads. If FREEZE, arrange for any resume attempt to 345 be ignored until an unpause_all call unfreezes threads again. 346 There can be nested calls to pause_all, so a freeze counter 347 should be maintained. */ 348 virtual void pause_all (bool freeze); 349 350 /* Unpause all threads. Threads that hadn't been resumed by the 351 client should be left stopped. Basically a pause/unpause call 352 pair should not end up resuming threads that were stopped before 353 the pause call. */ 354 virtual void unpause_all (bool unfreeze); 355 356 /* Stabilize all threads. That is, force them out of jump pads. */ 357 virtual void stabilize_threads (); 358 359 /* Return true if the install_fast_tracepoint_jump_pad op is 360 supported. */ 361 virtual bool supports_fast_tracepoints (); 362 363 /* Install a fast tracepoint jump pad. TPOINT is the address of the 364 tracepoint internal object as used by the IPA agent. TPADDR is 365 the address of tracepoint. COLLECTOR is address of the function 366 the jump pad redirects to. LOCKADDR is the address of the jump 367 pad lock object. ORIG_SIZE is the size in bytes of the 368 instruction at TPADDR. JUMP_ENTRY points to the address of the 369 jump pad entry, and on return holds the address past the end of 370 the created jump pad. If a trampoline is created by the function, 371 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of 372 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a 373 buffer containing a copy of the instruction at TPADDR. 374 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that 375 return the address range where the instruction at TPADDR was relocated 376 to. If an error occurs, the ERR may be used to pass on an error 377 message. */ 378 virtual int install_fast_tracepoint_jump_pad 379 (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, 380 CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, 381 CORE_ADDR *trampoline, ULONGEST *trampoline_size, 382 unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, 383 CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, 384 char *err); 385 386 /* Return the minimum length of an instruction that can be safely 387 overwritten for use as a fast tracepoint. */ 388 virtual int get_min_fast_tracepoint_insn_len (); 389 390 /* Return the bytecode operations vector for the current inferior. 391 Returns nullptr if bytecode compilation is not supported. */ 392 virtual struct emit_ops *emit_ops (); 393 394 /* Returns true if the target supports disabling randomization. */ 395 virtual bool supports_disable_randomization (); 396 397 /* Return true if the qxfer_libraries_svr4 op is supported. */ 398 virtual bool supports_qxfer_libraries_svr4 (); 399 400 /* Read solib info on SVR4 platforms. */ 401 virtual int qxfer_libraries_svr4 (const char *annex, 402 unsigned char *readbuf, 403 unsigned const char *writebuf, 404 CORE_ADDR offset, int len); 405 406 /* Return true if target supports debugging agent. */ 407 virtual bool supports_agent (); 408 409 /* Enable branch tracing for PTID based on CONF and allocate a branch trace 410 target information struct for reading and for disabling branch trace. */ 411 virtual btrace_target_info *enable_btrace (ptid_t ptid, 412 const btrace_config *conf); 413 414 /* Disable branch tracing. 415 Returns zero on success, non-zero otherwise. */ 416 virtual int disable_btrace (btrace_target_info *tinfo); 417 418 /* Read branch trace data into buffer. 419 Return 0 on success; print an error message into BUFFER and return -1, 420 otherwise. */ 421 virtual int read_btrace (btrace_target_info *tinfo, buffer *buf, 422 enum btrace_read_type type); 423 424 /* Read the branch trace configuration into BUFFER. 425 Return 0 on success; print an error message into BUFFER and return -1 426 otherwise. */ 427 virtual int read_btrace_conf (const btrace_target_info *tinfo, 428 buffer *buf); 429 430 /* Return true if target supports range stepping. */ 431 virtual bool supports_range_stepping (); 432 433 /* Return true if the pid_to_exec_file op is supported. */ 434 virtual bool supports_pid_to_exec_file (); 435 436 /* Return the full absolute name of the executable file that was 437 run to create the process PID. If the executable file cannot 438 be determined, NULL is returned. Otherwise, a pointer to a 439 character string containing the pathname is returned. This 440 string should be copied into a buffer by the client if the string 441 will not be immediately used, or if it must persist. */ 442 virtual char *pid_to_exec_file (int pid); 443 444 /* Return true if any of the multifs ops is supported. */ 445 virtual bool supports_multifs (); 446 447 /* Multiple-filesystem-aware open. Like open(2), but operating in 448 the filesystem as it appears to process PID. Systems where all 449 processes share a common filesystem should not override this. 450 The default behavior is to use open(2). */ 451 virtual int multifs_open (int pid, const char *filename, 452 int flags, mode_t mode); 453 454 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates 455 in the filesystem as it appears to process PID. Systems where 456 all processes share a common filesystem should not override this. 457 The default behavior is to use unlink(2). */ 458 virtual int multifs_unlink (int pid, const char *filename); 459 460 /* Multiple-filesystem-aware readlink. Like readlink(2), but 461 operating in the filesystem as it appears to process PID. 462 Systems where all processes share a common filesystem should 463 not override this. The default behavior is to use readlink(2). */ 464 virtual ssize_t multifs_readlink (int pid, const char *filename, 465 char *buf, size_t bufsiz); 466 467 /* Return the breakpoint kind for this target based on PC. The 468 PCPTR is adjusted to the real memory location in case a flag 469 (e.g., the Thumb bit on ARM) was present in the PC. */ 470 virtual int breakpoint_kind_from_pc (CORE_ADDR *pcptr); 471 472 /* Return the software breakpoint from KIND. KIND can have target 473 specific meaning like the Z0 kind parameter. 474 SIZE is set to the software breakpoint's length in memory. */ 475 virtual const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) = 0; 476 477 /* Return the breakpoint kind for this target based on the current 478 processor state (e.g. the current instruction mode on ARM) and the 479 PC. The PCPTR is adjusted to the real memory location in case a 480 flag (e.g., the Thumb bit on ARM) is present in the PC. */ 481 virtual int breakpoint_kind_from_current_state (CORE_ADDR *pcptr); 482 483 /* Return the thread's name, or NULL if the target is unable to 484 determine it. The returned value must not be freed by the 485 caller. */ 486 virtual const char *thread_name (ptid_t thread); 487 488 /* Thread ID to (numeric) thread handle: Return true on success and 489 false for failure. Return pointer to thread handle via HANDLE 490 and the handle's length via HANDLE_LEN. */ 491 virtual bool thread_handle (ptid_t ptid, gdb_byte **handle, 492 int *handle_len); 493 494 /* Returns true if the target can software single step. */ 495 virtual bool supports_software_single_step (); 496 497 /* Return true if the target supports catch syscall. */ 498 virtual bool supports_catch_syscall (); 499 500 /* Return tdesc index for IPA. */ 501 virtual int get_ipa_tdesc_idx (); 502 }; 503 504 extern process_stratum_target *the_target; 505 506 void set_target_ops (process_stratum_target *); 507 508 #define target_create_inferior(program, program_args) \ 509 the_target->create_inferior (program, program_args) 510 511 #define target_post_create_inferior() \ 512 the_target->post_create_inferior () 513 514 #define myattach(pid) \ 515 the_target->attach (pid) 516 517 int kill_inferior (process_info *proc); 518 519 #define target_supports_fork_events() \ 520 the_target->supports_fork_events () 521 522 #define target_supports_vfork_events() \ 523 the_target->supports_vfork_events () 524 525 #define target_supports_exec_events() \ 526 the_target->supports_exec_events () 527 528 #define target_handle_new_gdb_connection() \ 529 the_target->handle_new_gdb_connection () 530 531 #define detach_inferior(proc) \ 532 the_target->detach (proc) 533 534 #define mythread_alive(pid) \ 535 the_target->thread_alive (pid) 536 537 #define fetch_inferior_registers(regcache, regno) \ 538 the_target->fetch_registers (regcache, regno) 539 540 #define store_inferior_registers(regcache, regno) \ 541 the_target->store_registers (regcache, regno) 542 543 #define join_inferior(pid) \ 544 the_target->join (pid) 545 546 #define target_supports_non_stop() \ 547 the_target->supports_non_stop () 548 549 #define target_async(enable) \ 550 the_target->async (enable) 551 552 #define target_process_qsupported(features) \ 553 the_target->process_qsupported (features) 554 555 #define target_supports_catch_syscall() \ 556 the_target->supports_catch_syscall () 557 558 #define target_get_ipa_tdesc_idx() \ 559 the_target->get_ipa_tdesc_idx () 560 561 #define target_supports_tracepoints() \ 562 the_target->supports_tracepoints () 563 564 #define target_supports_fast_tracepoints() \ 565 the_target->supports_fast_tracepoints () 566 567 #define target_get_min_fast_tracepoint_insn_len() \ 568 the_target->get_min_fast_tracepoint_insn_len () 569 570 #define target_thread_stopped(thread) \ 571 the_target->thread_stopped (thread) 572 573 #define target_pause_all(freeze) \ 574 the_target->pause_all (freeze) 575 576 #define target_unpause_all(unfreeze) \ 577 the_target->unpause_all (unfreeze) 578 579 #define target_stabilize_threads() \ 580 the_target->stabilize_threads () 581 582 #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ 583 collector, lockaddr, \ 584 orig_size, \ 585 jump_entry, \ 586 trampoline, trampoline_size, \ 587 jjump_pad_insn, \ 588 jjump_pad_insn_size, \ 589 adjusted_insn_addr, \ 590 adjusted_insn_addr_end, \ 591 err) \ 592 the_target->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ 593 collector,lockaddr, \ 594 orig_size, jump_entry, \ 595 trampoline, \ 596 trampoline_size, \ 597 jjump_pad_insn, \ 598 jjump_pad_insn_size, \ 599 adjusted_insn_addr, \ 600 adjusted_insn_addr_end, \ 601 err) 602 603 #define target_emit_ops() \ 604 the_target->emit_ops () 605 606 #define target_supports_disable_randomization() \ 607 the_target->supports_disable_randomization () 608 609 #define target_supports_agent() \ 610 the_target->supports_agent () 611 612 static inline struct btrace_target_info * 613 target_enable_btrace (ptid_t ptid, const struct btrace_config *conf) 614 { 615 return the_target->enable_btrace (ptid, conf); 616 } 617 618 static inline int 619 target_disable_btrace (struct btrace_target_info *tinfo) 620 { 621 return the_target->disable_btrace (tinfo); 622 } 623 624 static inline int 625 target_read_btrace (struct btrace_target_info *tinfo, 626 struct buffer *buffer, 627 enum btrace_read_type type) 628 { 629 return the_target->read_btrace (tinfo, buffer, type); 630 } 631 632 static inline int 633 target_read_btrace_conf (struct btrace_target_info *tinfo, 634 struct buffer *buffer) 635 { 636 return the_target->read_btrace_conf (tinfo, buffer); 637 } 638 639 #define target_supports_range_stepping() \ 640 the_target->supports_range_stepping () 641 642 #define target_supports_stopped_by_sw_breakpoint() \ 643 the_target->supports_stopped_by_sw_breakpoint () 644 645 #define target_stopped_by_sw_breakpoint() \ 646 the_target->stopped_by_sw_breakpoint () 647 648 #define target_supports_stopped_by_hw_breakpoint() \ 649 the_target->supports_stopped_by_hw_breakpoint () 650 651 #define target_supports_hardware_single_step() \ 652 the_target->supports_hardware_single_step () 653 654 #define target_stopped_by_hw_breakpoint() \ 655 the_target->stopped_by_hw_breakpoint () 656 657 #define target_breakpoint_kind_from_pc(pcptr) \ 658 the_target->breakpoint_kind_from_pc (pcptr) 659 660 #define target_breakpoint_kind_from_current_state(pcptr) \ 661 the_target->breakpoint_kind_from_current_state (pcptr) 662 663 #define target_supports_software_single_step() \ 664 the_target->supports_software_single_step () 665 666 ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, 667 int connected_wait); 668 669 /* Prepare to read or write memory from the inferior process. See the 670 corresponding process_stratum_target methods for more details. */ 671 672 int prepare_to_access_memory (void); 673 void done_accessing_memory (void); 674 675 #define target_core_of_thread(ptid) \ 676 the_target->core_of_thread (ptid) 677 678 #define target_thread_name(ptid) \ 679 the_target->thread_name (ptid) 680 681 #define target_thread_handle(ptid, handle, handle_len) \ 682 the_target->thread_handle (ptid, handle, handle_len) 683 684 int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); 685 686 int set_desired_thread (); 687 688 const char *target_pid_to_str (ptid_t); 689 690 #endif /* GDBSERVER_TARGET_H */ 691