1 /* Target operations for the remote server for GDB. 2 Copyright (C) 2002-2024 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> 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 #include "gdbsupport/byte-vector.h" 34 35 struct emit_ops; 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 target_wait_flags 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 /* Read memory from the inferior process. This should generally be 144 called through read_inferior_memory, which handles breakpoint shadowing. 145 146 Read LEN bytes at MEMADDR into a buffer at MYADDR. 147 148 Returns 0 on success and errno on failure. */ 149 virtual int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, 150 int len) = 0; 151 152 /* Write memory to the inferior process. This should generally be 153 called through target_write_memory, which handles breakpoint shadowing. 154 155 Write LEN bytes from the buffer at MYADDR to MEMADDR. 156 157 Returns 0 on success and errno on failure. */ 158 virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, 159 int len) = 0; 160 161 /* 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) 164 become available. */ 165 virtual void look_up_symbols (); 166 167 /* Send an interrupt request to the inferior process, 168 however is appropriate. */ 169 virtual void request_interrupt () = 0; 170 171 /* Return true if the read_auxv target op is supported. */ 172 virtual bool supports_read_auxv (); 173 174 /* Read auxiliary vector data from the process with pid PID. 175 176 Read LEN bytes at OFFSET into a buffer at MYADDR. */ 177 virtual int read_auxv (int pid, CORE_ADDR offset, unsigned char *myaddr, 178 unsigned int len); 179 180 /* 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 187 */ 188 virtual bool supports_z_point_type (char z_type); 189 190 /* 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); 194 195 virtual int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, 196 int size, raw_breakpoint *bp); 197 198 /* Returns true if the target stopped because it executed a software 199 breakpoint instruction, false otherwise. */ 200 virtual bool stopped_by_sw_breakpoint (); 201 202 /* 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 (); 205 206 /* Returns true if the target stopped for a hardware breakpoint. */ 207 virtual bool stopped_by_hw_breakpoint (); 208 209 /* 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 (); 212 213 /* Returns true if the target can do hardware single step. */ 214 virtual bool supports_hardware_single_step (); 215 216 /* Returns true if target was stopped due to a watchpoint hit, false 217 otherwise. */ 218 virtual bool stopped_by_watchpoint (); 219 220 /* Returns the address associated with the watchpoint that hit, if any; 221 returns 0 otherwise. */ 222 virtual CORE_ADDR stopped_data_address (); 223 224 /* Return true if the read_offsets target op is supported. */ 225 virtual bool supports_read_offsets (); 226 227 /* Reports the text, data offsets of the executable. This is 228 needed for uclinux where the executable is relocated during load 229 time. */ 230 virtual int read_offsets (CORE_ADDR *text, CORE_ADDR *data); 231 232 /* Return true if the get_tls_address target op is supported. */ 233 virtual bool supports_get_tls_address (); 234 235 /* 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); 242 243 /* Return true if the qxfer_osdata target op is supported. */ 244 virtual bool supports_qxfer_osdata (); 245 246 /* 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); 250 251 /* Return true if the qxfer_siginfo target op is supported. */ 252 virtual bool supports_qxfer_siginfo (); 253 254 /* 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); 258 259 /* Return true if non-stop mode is supported. */ 260 virtual bool supports_non_stop (); 261 262 /* Enables async target events. Returns the previous enable 263 state. */ 264 virtual bool async (bool enable); 265 266 /* 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); 269 270 /* Returns true if the target supports multi-process debugging. */ 271 virtual bool supports_multi_process (); 272 273 /* Returns true if fork events are supported. */ 274 virtual bool supports_fork_events (); 275 276 /* Returns true if vfork events are supported. */ 277 virtual bool supports_vfork_events (); 278 279 /* Returns the set of supported thread options. */ 280 virtual gdb_thread_options supported_thread_options (); 281 282 /* Returns true if exec events are supported. */ 283 virtual bool supports_exec_events (); 284 285 /* Allows target to re-initialize connection-specific settings. */ 286 virtual void handle_new_gdb_connection (); 287 288 /* 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); 291 292 /* Returns the core given a thread, or -1 if not known. */ 293 virtual int core_of_thread (ptid_t ptid); 294 295 /* Returns true if the read_loadmap target op is supported. */ 296 virtual bool supports_read_loadmap (); 297 298 /* 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); 301 302 /* 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); 306 307 /* Return true if the target supports tracepoints, false otherwise. */ 308 virtual bool supports_tracepoints (); 309 310 /* Read PC from REGCACHE. */ 311 virtual CORE_ADDR read_pc (regcache *regcache); 312 313 /* Write PC to REGCACHE. */ 314 virtual void write_pc (regcache *regcache, CORE_ADDR pc); 315 316 /* Return true if the thread_stopped op is supported. */ 317 virtual bool supports_thread_stopped (); 318 319 /* Return true if THREAD is known to be stopped now. */ 320 virtual bool thread_stopped (thread_info *thread); 321 322 /* Return true if any thread is known to be resumed. */ 323 virtual bool any_resumed (); 324 325 /* Return true if the get_tib_address op is supported. */ 326 virtual bool supports_get_tib_address (); 327 328 /* Read Thread Information Block address. */ 329 virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address); 330 331 /* Pause all threads. If FREEZE, arrange for any resume attempt to 332 be ignored until an unpause_all call unfreezes threads again. 333 There can be nested calls to pause_all, so a freeze counter 334 should be maintained. */ 335 virtual void pause_all (bool freeze); 336 337 /* Unpause all threads. Threads that hadn't been resumed by the 338 client should be left stopped. Basically a pause/unpause call 339 pair should not end up resuming threads that were stopped before 340 the pause call. */ 341 virtual void unpause_all (bool unfreeze); 342 343 /* Stabilize all threads. That is, force them out of jump pads. */ 344 virtual void stabilize_threads (); 345 346 /* Return true if the install_fast_tracepoint_jump_pad op is 347 supported. */ 348 virtual bool supports_fast_tracepoints (); 349 350 /* Install a fast tracepoint jump pad. TPOINT is the address of the 351 tracepoint internal object as used by the IPA agent. TPADDR is 352 the address of tracepoint. COLLECTOR is address of the function 353 the jump pad redirects to. LOCKADDR is the address of the jump 354 pad lock object. ORIG_SIZE is the size in bytes of the 355 instruction at TPADDR. JUMP_ENTRY points to the address of the 356 jump pad entry, and on return holds the address past the end of 357 the created jump pad. If a trampoline is created by the function, 358 then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of 359 the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a 360 buffer containing a copy of the instruction at TPADDR. 361 ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that 362 return the address range where the instruction at TPADDR was relocated 363 to. If an error occurs, the ERR may be used to pass on an error 364 message. */ 365 virtual int install_fast_tracepoint_jump_pad 366 (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, 367 CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, 368 CORE_ADDR *trampoline, ULONGEST *trampoline_size, 369 unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, 370 CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, 371 char *err); 372 373 /* Return the minimum length of an instruction that can be safely 374 overwritten for use as a fast tracepoint. */ 375 virtual int get_min_fast_tracepoint_insn_len (); 376 377 /* Return the bytecode operations vector for the current inferior. 378 Returns nullptr if bytecode compilation is not supported. */ 379 virtual struct emit_ops *emit_ops (); 380 381 /* Returns true if the target supports disabling randomization. */ 382 virtual bool supports_disable_randomization (); 383 384 /* Return true if the qxfer_libraries_svr4 op is supported. */ 385 virtual bool supports_qxfer_libraries_svr4 (); 386 387 /* Read solib info on SVR4 platforms. */ 388 virtual int qxfer_libraries_svr4 (const char *annex, 389 unsigned char *readbuf, 390 unsigned const char *writebuf, 391 CORE_ADDR offset, int len); 392 393 /* Return true if target supports debugging agent. */ 394 virtual bool supports_agent (); 395 396 /* Return true if target supports btrace. */ 397 virtual bool supports_btrace (); 398 399 /* Enable branch tracing for TP based on CONF and allocate a branch trace 400 target information struct for reading and for disabling branch trace. */ 401 virtual btrace_target_info *enable_btrace (thread_info *tp, 402 const btrace_config *conf); 403 404 /* Disable branch tracing. 405 Returns zero on success, non-zero otherwise. */ 406 virtual int disable_btrace (btrace_target_info *tinfo); 407 408 /* Read branch trace data into buffer. 409 Return 0 on success; print an error message into BUFFER and return -1, 410 otherwise. */ 411 virtual int read_btrace (btrace_target_info *tinfo, std::string *buf, 412 enum btrace_read_type type); 413 414 /* Read the branch trace configuration into BUFFER. 415 Return 0 on success; print an error message into BUFFER and return -1 416 otherwise. */ 417 virtual int read_btrace_conf (const btrace_target_info *tinfo, 418 std::string *buf); 419 420 /* Return true if target supports range stepping. */ 421 virtual bool supports_range_stepping (); 422 423 /* Return true if the pid_to_exec_file op is supported. */ 424 virtual bool supports_pid_to_exec_file (); 425 426 /* Return the full absolute name of the executable file that was 427 run to create the process PID. If the executable file cannot 428 be determined, NULL is returned. Otherwise, a pointer to a 429 character string containing the pathname is returned. This 430 string should be copied into a buffer by the client if the string 431 will not be immediately used, or if it must persist. */ 432 virtual const char *pid_to_exec_file (int pid); 433 434 /* Return true if any of the multifs ops is supported. */ 435 virtual bool supports_multifs (); 436 437 /* Multiple-filesystem-aware open. Like open(2), but operating in 438 the filesystem as it appears to process PID. Systems where all 439 processes share a common filesystem should not override this. 440 The default behavior is to use open(2). */ 441 virtual int multifs_open (int pid, const char *filename, 442 int flags, mode_t mode); 443 444 /* Multiple-filesystem-aware unlink. Like unlink(2), but operates 445 in the filesystem as it appears to process PID. Systems where 446 all processes share a common filesystem should not override this. 447 The default behavior is to use unlink(2). */ 448 virtual int multifs_unlink (int pid, const char *filename); 449 450 /* Multiple-filesystem-aware readlink. Like readlink(2), but 451 operating in the filesystem as it appears to process PID. 452 Systems where all processes share a common filesystem should 453 not override this. The default behavior is to use readlink(2). */ 454 virtual ssize_t multifs_readlink (int pid, const char *filename, 455 char *buf, size_t bufsiz); 456 457 /* Return the breakpoint kind for this target based on PC. The 458 PCPTR is adjusted to the real memory location in case a flag 459 (e.g., the Thumb bit on ARM) was present in the PC. */ 460 virtual int breakpoint_kind_from_pc (CORE_ADDR *pcptr); 461 462 /* Return the software breakpoint from KIND. KIND can have target 463 specific meaning like the Z0 kind parameter. 464 SIZE is set to the software breakpoint's length in memory. */ 465 virtual const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) = 0; 466 467 /* Return the breakpoint kind for this target based on the current 468 processor state (e.g. the current instruction mode on ARM) and the 469 PC. The PCPTR is adjusted to the real memory location in case a 470 flag (e.g., the Thumb bit on ARM) is present in the PC. */ 471 virtual int breakpoint_kind_from_current_state (CORE_ADDR *pcptr); 472 473 /* Return the thread's name, or NULL if the target is unable to 474 determine it. The returned value must not be freed by the 475 caller. */ 476 virtual const char *thread_name (ptid_t thread); 477 478 /* Thread ID to (numeric) thread handle: Return true on success and 479 false for failure. Return pointer to thread handle via HANDLE 480 and the handle's length via HANDLE_LEN. */ 481 virtual bool thread_handle (ptid_t ptid, gdb_byte **handle, 482 int *handle_len); 483 484 /* If THREAD is a fork/vfork/clone child that was not reported to 485 GDB, return its parent else nullptr. */ 486 virtual thread_info *thread_pending_parent (thread_info *thread); 487 488 /* If THREAD is the parent of a fork/vfork/clone child that was not 489 reported to GDB, return this child and fill in KIND with the 490 matching waitkind, otherwise nullptr. */ 491 virtual thread_info *thread_pending_child (thread_info *thread, 492 target_waitkind *kind); 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 /* Returns true if the target supports memory tagging facilities. */ 504 virtual bool supports_memory_tagging (); 505 506 /* Return the allocated memory tags of type TYPE associated with 507 [ADDRESS, ADDRESS + LEN) in TAGS. 508 509 Returns true if successful and false otherwise. */ 510 virtual bool fetch_memtags (CORE_ADDR address, size_t len, 511 gdb::byte_vector &tags, int type); 512 513 /* Write the allocation tags of type TYPE contained in TAGS to the 514 memory range [ADDRESS, ADDRESS + LEN). 515 516 Returns true if successful and false otherwise. */ 517 virtual bool store_memtags (CORE_ADDR address, size_t len, 518 const gdb::byte_vector &tags, int type); 519 }; 520 521 extern process_stratum_target *the_target; 522 523 void set_target_ops (process_stratum_target *); 524 525 #define target_create_inferior(program, program_args) \ 526 the_target->create_inferior (program, program_args) 527 528 #define target_post_create_inferior() \ 529 the_target->post_create_inferior () 530 531 #define myattach(pid) \ 532 the_target->attach (pid) 533 534 int kill_inferior (process_info *proc); 535 536 #define target_supports_fork_events() \ 537 the_target->supports_fork_events () 538 539 #define target_supports_vfork_events() \ 540 the_target->supports_vfork_events () 541 542 #define target_supported_thread_options(options) \ 543 the_target->supported_thread_options (options) 544 545 #define target_supports_exec_events() \ 546 the_target->supports_exec_events () 547 548 #define target_supports_memory_tagging() \ 549 the_target->supports_memory_tagging () 550 551 #define target_handle_new_gdb_connection() \ 552 the_target->handle_new_gdb_connection () 553 554 #define detach_inferior(proc) \ 555 the_target->detach (proc) 556 557 #define mythread_alive(pid) \ 558 the_target->thread_alive (pid) 559 560 #define fetch_inferior_registers(regcache, regno) \ 561 the_target->fetch_registers (regcache, regno) 562 563 #define store_inferior_registers(regcache, regno) \ 564 the_target->store_registers (regcache, regno) 565 566 #define join_inferior(pid) \ 567 the_target->join (pid) 568 569 #define target_supports_non_stop() \ 570 the_target->supports_non_stop () 571 572 #define target_async(enable) \ 573 the_target->async (enable) 574 575 #define target_process_qsupported(features) \ 576 the_target->process_qsupported (features) 577 578 #define target_supports_catch_syscall() \ 579 the_target->supports_catch_syscall () 580 581 #define target_get_ipa_tdesc_idx() \ 582 the_target->get_ipa_tdesc_idx () 583 584 #define target_supports_tracepoints() \ 585 the_target->supports_tracepoints () 586 587 #define target_supports_fast_tracepoints() \ 588 the_target->supports_fast_tracepoints () 589 590 #define target_get_min_fast_tracepoint_insn_len() \ 591 the_target->get_min_fast_tracepoint_insn_len () 592 593 #define target_thread_stopped(thread) \ 594 the_target->thread_stopped (thread) 595 596 #define target_pause_all(freeze) \ 597 the_target->pause_all (freeze) 598 599 #define target_unpause_all(unfreeze) \ 600 the_target->unpause_all (unfreeze) 601 602 #define target_stabilize_threads() \ 603 the_target->stabilize_threads () 604 605 #define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ 606 collector, lockaddr, \ 607 orig_size, \ 608 jump_entry, \ 609 trampoline, trampoline_size, \ 610 jjump_pad_insn, \ 611 jjump_pad_insn_size, \ 612 adjusted_insn_addr, \ 613 adjusted_insn_addr_end, \ 614 err) \ 615 the_target->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ 616 collector,lockaddr, \ 617 orig_size, jump_entry, \ 618 trampoline, \ 619 trampoline_size, \ 620 jjump_pad_insn, \ 621 jjump_pad_insn_size, \ 622 adjusted_insn_addr, \ 623 adjusted_insn_addr_end, \ 624 err) 625 626 #define target_emit_ops() \ 627 the_target->emit_ops () 628 629 #define target_supports_disable_randomization() \ 630 the_target->supports_disable_randomization () 631 632 #define target_supports_agent() \ 633 the_target->supports_agent () 634 635 static inline struct btrace_target_info * 636 target_enable_btrace (thread_info *tp, const struct btrace_config *conf) 637 { 638 return the_target->enable_btrace (tp, conf); 639 } 640 641 static inline int 642 target_disable_btrace (struct btrace_target_info *tinfo) 643 { 644 return the_target->disable_btrace (tinfo); 645 } 646 647 static inline int 648 target_read_btrace (struct btrace_target_info *tinfo, 649 std::string *buffer, 650 enum btrace_read_type type) 651 { 652 return the_target->read_btrace (tinfo, buffer, type); 653 } 654 655 static inline int 656 target_read_btrace_conf (struct btrace_target_info *tinfo, 657 std::string *buffer) 658 { 659 return the_target->read_btrace_conf (tinfo, buffer); 660 } 661 662 #define target_supports_range_stepping() \ 663 the_target->supports_range_stepping () 664 665 #define target_supports_stopped_by_sw_breakpoint() \ 666 the_target->supports_stopped_by_sw_breakpoint () 667 668 #define target_stopped_by_sw_breakpoint() \ 669 the_target->stopped_by_sw_breakpoint () 670 671 #define target_supports_stopped_by_hw_breakpoint() \ 672 the_target->supports_stopped_by_hw_breakpoint () 673 674 #define target_supports_hardware_single_step() \ 675 the_target->supports_hardware_single_step () 676 677 #define target_stopped_by_hw_breakpoint() \ 678 the_target->stopped_by_hw_breakpoint () 679 680 #define target_breakpoint_kind_from_pc(pcptr) \ 681 the_target->breakpoint_kind_from_pc (pcptr) 682 683 #define target_breakpoint_kind_from_current_state(pcptr) \ 684 the_target->breakpoint_kind_from_current_state (pcptr) 685 686 #define target_supports_software_single_step() \ 687 the_target->supports_software_single_step () 688 689 #define target_any_resumed() \ 690 the_target->any_resumed () 691 692 ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, 693 target_wait_flags options, int connected_wait); 694 695 #define target_core_of_thread(ptid) \ 696 the_target->core_of_thread (ptid) 697 698 #define target_thread_name(ptid) \ 699 the_target->thread_name (ptid) 700 701 #define target_thread_handle(ptid, handle, handle_len) \ 702 the_target->thread_handle (ptid, handle, handle_len) 703 704 static inline thread_info * 705 target_thread_pending_parent (thread_info *thread) 706 { 707 return the_target->thread_pending_parent (thread); 708 } 709 710 static inline thread_info * 711 target_thread_pending_child (thread_info *thread, target_waitkind *kind) 712 { 713 return the_target->thread_pending_child (thread, kind); 714 } 715 716 /* Read LEN bytes from MEMADDR in the buffer MYADDR. Return 0 if the read 717 is successful, otherwise, return a non-zero error code. */ 718 719 int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); 720 721 /* Set GDBserver's current thread to the thread the client requested 722 via Hg. Also switches the current process to the requested 723 process. If the requested thread is not found in the thread list, 724 then the current thread is set to NULL. Likewise, if the requested 725 process is not found in the process list, then the current process 726 is set to NULL. Returns true if the requested thread was found, 727 false otherwise. */ 728 729 bool set_desired_thread (); 730 731 /* Set GDBserver's current process to the process the client requested 732 via Hg. The current thread is set to NULL. */ 733 734 bool set_desired_process (); 735 736 std::string target_pid_to_str (ptid_t); 737 738 #endif /* GDBSERVER_TARGET_H */ 739
Indexes created Sun Mar 01 05:31:48 UTC 2026