| /* Target operations for the remote server for GDB. |
| Copyright (C) 2002-2019 Free Software Foundation, Inc. |
| |
| Contributed by MontaVista Software. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GDBSERVER_TARGET_H |
| #define GDBSERVER_TARGET_H |
| |
| #include <sys/types.h> /* for mode_t */ |
| #include "target/target.h" |
| #include "target/resume.h" |
| #include "target/wait.h" |
| #include "target/waitstatus.h" |
| #include "mem-break.h" |
| #include "common/btrace-common.h" |
| #include <vector> |
| |
| struct emit_ops; |
| struct buffer; |
| struct process_info; |
| |
| /* This structure describes how to resume a particular thread (or all |
| threads) based on the client's request. If thread is -1, then this |
| entry applies to all threads. These are passed around as an |
| array. */ |
| |
| struct thread_resume |
| { |
| ptid_t thread; |
| |
| /* How to "resume". */ |
| enum resume_kind kind; |
| |
| /* If non-zero, send this signal when we resume, or to stop the |
| thread. If stopping a thread, and this is 0, the target should |
| stop the thread however it best decides to (e.g., SIGSTOP on |
| linux; SuspendThread on win32). This is a host signal value (not |
| enum gdb_signal). */ |
| int sig; |
| |
| /* Range to single step within. Valid only iff KIND is resume_step. |
| |
| Single-step once, and then continuing stepping as long as the |
| thread stops in this range. (If the range is empty |
| [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step |
| request.) */ |
| CORE_ADDR step_range_start; /* Inclusive */ |
| CORE_ADDR step_range_end; /* Exclusive */ |
| }; |
| |
| struct target_ops |
| { |
| /* Start a new process. |
| |
| PROGRAM is a path to the program to execute. |
| PROGRAM_ARGS is a standard NULL-terminated array of arguments, |
| to be passed to the inferior as ``argv'' (along with PROGRAM). |
| |
| Returns the new PID on success, -1 on failure. Registers the new |
| process with the process list. */ |
| int (*create_inferior) (const char *program, |
| const std::vector<char *> &program_args); |
| |
| /* Do additional setup after a new process is created, including |
| exec-wrapper completion. */ |
| void (*post_create_inferior) (void); |
| |
| /* Attach to a running process. |
| |
| PID is the process ID to attach to, specified by the user |
| or a higher layer. |
| |
| Returns -1 if attaching is unsupported, 0 on success, and calls |
| error() otherwise. */ |
| |
| int (*attach) (unsigned long pid); |
| |
| /* Kill process PROC. Return -1 on failure, and 0 on success. */ |
| |
| int (*kill) (process_info *proc); |
| |
| /* Detach from process PROC. Return -1 on failure, and 0 on |
| success. */ |
| |
| int (*detach) (process_info *proc); |
| |
| /* The inferior process has died. Do what is right. */ |
| |
| void (*mourn) (struct process_info *proc); |
| |
| /* Wait for process PID to exit. */ |
| |
| void (*join) (int pid); |
| |
| /* Return 1 iff the thread with process ID PID is alive. */ |
| |
| int (*thread_alive) (ptid_t pid); |
| |
| /* Resume the inferior process. */ |
| |
| void (*resume) (struct thread_resume *resume_info, size_t n); |
| |
| /* Wait for the inferior process or thread to change state. Store |
| status through argument pointer STATUS. |
| |
| PTID = -1 to wait for any pid to do something, PTID(pid,0,0) to |
| wait for any thread of process pid to do something. Return ptid |
| of child, or -1 in case of error; store status through argument |
| pointer STATUS. OPTIONS is a bit set of options defined as |
| TARGET_W* above. If options contains TARGET_WNOHANG and there's |
| no child stop to report, return is |
| null_ptid/TARGET_WAITKIND_IGNORE. */ |
| |
| ptid_t (*wait) (ptid_t ptid, struct target_waitstatus *status, int options); |
| |
| /* Fetch registers from the inferior process. |
| |
| If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ |
| |
| void (*fetch_registers) (struct regcache *regcache, int regno); |
| |
| /* Store registers to the inferior process. |
| |
| If REGNO is -1, store all registers; otherwise, store at least REGNO. */ |
| |
| void (*store_registers) (struct regcache *regcache, int regno); |
| |
| /* Prepare to read or write memory from the inferior process. |
| Targets use this to do what is necessary to get the state of the |
| inferior such that it is possible to access memory. |
| |
| This should generally only be called from client facing routines, |
| such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint |
| insertion routine. |
| |
| Like `read_memory' and `write_memory' below, returns 0 on success |
| and errno on failure. */ |
| |
| int (*prepare_to_access_memory) (void); |
| |
| /* Undo the effects of prepare_to_access_memory. */ |
| |
| void (*done_accessing_memory) (void); |
| |
| /* Read memory from the inferior process. This should generally be |
| called through read_inferior_memory, which handles breakpoint shadowing. |
| |
| Read LEN bytes at MEMADDR into a buffer at MYADDR. |
| |
| Returns 0 on success and errno on failure. */ |
| |
| int (*read_memory) (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
| |
| /* Write memory to the inferior process. This should generally be |
| called through write_inferior_memory, which handles breakpoint shadowing. |
| |
| Write LEN bytes from the buffer at MYADDR to MEMADDR. |
| |
| Returns 0 on success and errno on failure. */ |
| |
| int (*write_memory) (CORE_ADDR memaddr, const unsigned char *myaddr, |
| int len); |
| |
| /* Query GDB for the values of any symbols we're interested in. |
| This function is called whenever we receive a "qSymbols::" |
| query, which corresponds to every time more symbols (might) |
| become available. NULL if we aren't interested in any |
| symbols. */ |
| |
| void (*look_up_symbols) (void); |
| |
| /* Send an interrupt request to the inferior process, |
| however is appropriate. */ |
| |
| void (*request_interrupt) (void); |
| |
| /* Read auxiliary vector data from the inferior process. |
| |
| Read LEN bytes at OFFSET into a buffer at MYADDR. */ |
| |
| int (*read_auxv) (CORE_ADDR offset, unsigned char *myaddr, |
| unsigned int len); |
| |
| /* Returns true if GDB Z breakpoint type TYPE is supported, false |
| otherwise. The type is coded as follows: |
| '0' - software-breakpoint |
| '1' - hardware-breakpoint |
| '2' - write watchpoint |
| '3' - read watchpoint |
| '4' - access watchpoint |
| */ |
| int (*supports_z_point_type) (char z_type); |
| |
| /* Insert and remove a break or watchpoint. |
| Returns 0 on success, -1 on failure and 1 on unsupported. */ |
| |
| int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
| int size, struct raw_breakpoint *bp); |
| int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
| int size, struct raw_breakpoint *bp); |
| |
| /* Returns 1 if the target stopped because it executed a software |
| breakpoint instruction, 0 otherwise. */ |
| int (*stopped_by_sw_breakpoint) (void); |
| |
| /* Returns true if the target knows whether a trap was caused by a |
| SW breakpoint triggering. */ |
| int (*supports_stopped_by_sw_breakpoint) (void); |
| |
| /* Returns 1 if the target stopped for a hardware breakpoint. */ |
| int (*stopped_by_hw_breakpoint) (void); |
| |
| /* Returns true if the target knows whether a trap was caused by a |
| HW breakpoint triggering. */ |
| int (*supports_stopped_by_hw_breakpoint) (void); |
| |
| /* Returns true if the target can do hardware single step. */ |
| int (*supports_hardware_single_step) (void); |
| |
| /* Returns 1 if target was stopped due to a watchpoint hit, 0 otherwise. */ |
| |
| int (*stopped_by_watchpoint) (void); |
| |
| /* Returns the address associated with the watchpoint that hit, if any; |
| returns 0 otherwise. */ |
| |
| CORE_ADDR (*stopped_data_address) (void); |
| |
| /* Reports the text, data offsets of the executable. This is |
| needed for uclinux where the executable is relocated during load |
| time. */ |
| |
| int (*read_offsets) (CORE_ADDR *text, CORE_ADDR *data); |
| |
| /* Fetch the address associated with a specific thread local storage |
| area, determined by the specified THREAD, OFFSET, and LOAD_MODULE. |
| Stores it in *ADDRESS and returns zero on success; otherwise returns |
| an error code. A return value of -1 means this system does not |
| support the operation. */ |
| |
| int (*get_tls_address) (struct thread_info *thread, CORE_ADDR offset, |
| CORE_ADDR load_module, CORE_ADDR *address); |
| |
| /* Read/Write from/to spufs using qXfer packets. */ |
| int (*qxfer_spu) (const char *annex, unsigned char *readbuf, |
| unsigned const char *writebuf, CORE_ADDR offset, int len); |
| |
| /* Fill BUF with an hostio error packet representing the last hostio |
| error. */ |
| void (*hostio_last_error) (char *buf); |
| |
| /* Read/Write OS data using qXfer packets. */ |
| int (*qxfer_osdata) (const char *annex, unsigned char *readbuf, |
| unsigned const char *writebuf, CORE_ADDR offset, |
| int len); |
| |
| /* Read/Write extra signal info. */ |
| int (*qxfer_siginfo) (const char *annex, unsigned char *readbuf, |
| unsigned const char *writebuf, |
| CORE_ADDR offset, int len); |
| |
| int (*supports_non_stop) (void); |
| |
| /* Enables async target events. Returns the previous enable |
| state. */ |
| int (*async) (int enable); |
| |
| /* Switch to non-stop (1) or all-stop (0) mode. Return 0 on |
| success, -1 otherwise. */ |
| int (*start_non_stop) (int); |
| |
| /* Returns true if the target supports multi-process debugging. */ |
| int (*supports_multi_process) (void); |
| |
| /* Returns true if fork events are supported. */ |
| int (*supports_fork_events) (void); |
| |
| /* Returns true if vfork events are supported. */ |
| int (*supports_vfork_events) (void); |
| |
| /* Returns true if exec events are supported. */ |
| int (*supports_exec_events) (void); |
| |
| /* Allows target to re-initialize connection-specific settings. */ |
| void (*handle_new_gdb_connection) (void); |
| |
| /* If not NULL, target-specific routine to process monitor command. |
| Returns 1 if handled, or 0 to perform default processing. */ |
| int (*handle_monitor_command) (char *); |
| |
| /* Returns the core given a thread, or -1 if not known. */ |
| int (*core_of_thread) (ptid_t); |
| |
| /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ |
| int (*read_loadmap) (const char *annex, CORE_ADDR offset, |
| unsigned char *myaddr, unsigned int len); |
| |
| /* Target specific qSupported support. FEATURES is an array of |
| features with COUNT elements. */ |
| void (*process_qsupported) (char **features, int count); |
| |
| /* Return 1 if the target supports tracepoints, 0 (or leave the |
| callback NULL) otherwise. */ |
| int (*supports_tracepoints) (void); |
| |
| /* Read PC from REGCACHE. */ |
| CORE_ADDR (*read_pc) (struct regcache *regcache); |
| |
| /* Write PC to REGCACHE. */ |
| void (*write_pc) (struct regcache *regcache, CORE_ADDR pc); |
| |
| /* Return true if THREAD is known to be stopped now. */ |
| int (*thread_stopped) (struct thread_info *thread); |
| |
| /* Read Thread Information Block address. */ |
| int (*get_tib_address) (ptid_t ptid, CORE_ADDR *address); |
| |
| /* Pause all threads. If FREEZE, arrange for any resume attempt to |
| be ignored until an unpause_all call unfreezes threads again. |
| There can be nested calls to pause_all, so a freeze counter |
| should be maintained. */ |
| void (*pause_all) (int freeze); |
| |
| /* Unpause all threads. Threads that hadn't been resumed by the |
| client should be left stopped. Basically a pause/unpause call |
| pair should not end up resuming threads that were stopped before |
| the pause call. */ |
| void (*unpause_all) (int unfreeze); |
| |
| /* Stabilize all threads. That is, force them out of jump pads. */ |
| void (*stabilize_threads) (void); |
| |
| /* Install a fast tracepoint jump pad. TPOINT is the address of the |
| tracepoint internal object as used by the IPA agent. TPADDR is |
| the address of tracepoint. COLLECTOR is address of the function |
| the jump pad redirects to. LOCKADDR is the address of the jump |
| pad lock object. ORIG_SIZE is the size in bytes of the |
| instruction at TPADDR. JUMP_ENTRY points to the address of the |
| jump pad entry, and on return holds the address past the end of |
| the created jump pad. If a trampoline is created by the function, |
| then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of |
| the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a |
| buffer containing a copy of the instruction at TPADDR. |
| ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that |
| return the address range where the instruction at TPADDR was relocated |
| to. If an error occurs, the ERR may be used to pass on an error |
| message. */ |
| int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr, |
| CORE_ADDR collector, |
| CORE_ADDR lockaddr, |
| ULONGEST orig_size, |
| CORE_ADDR *jump_entry, |
| CORE_ADDR *trampoline, |
| ULONGEST *trampoline_size, |
| unsigned char *jjump_pad_insn, |
| ULONGEST *jjump_pad_insn_size, |
| CORE_ADDR *adjusted_insn_addr, |
| CORE_ADDR *adjusted_insn_addr_end, |
| char *err); |
| |
| /* Return the bytecode operations vector for the current inferior. |
| Returns NULL if bytecode compilation is not supported. */ |
| struct emit_ops *(*emit_ops) (void); |
| |
| /* Returns true if the target supports disabling randomization. */ |
| int (*supports_disable_randomization) (void); |
| |
| /* Return the minimum length of an instruction that can be safely overwritten |
| for use as a fast tracepoint. */ |
| int (*get_min_fast_tracepoint_insn_len) (void); |
| |
| /* Read solib info on SVR4 platforms. */ |
| int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf, |
| unsigned const char *writebuf, |
| CORE_ADDR offset, int len); |
| |
| /* Return true if target supports debugging agent. */ |
| int (*supports_agent) (void); |
| |
| /* Enable branch tracing for PTID based on CONF and allocate a branch trace |
| target information struct for reading and for disabling branch trace. */ |
| struct btrace_target_info *(*enable_btrace) |
| (ptid_t ptid, const struct btrace_config *conf); |
| |
| /* Disable branch tracing. |
| Returns zero on success, non-zero otherwise. */ |
| int (*disable_btrace) (struct btrace_target_info *tinfo); |
| |
| /* Read branch trace data into buffer. |
| Return 0 on success; print an error message into BUFFER and return -1, |
| otherwise. */ |
| int (*read_btrace) (struct btrace_target_info *, struct buffer *, |
| enum btrace_read_type type); |
| |
| /* Read the branch trace configuration into BUFFER. |
| Return 0 on success; print an error message into BUFFER and return -1 |
| otherwise. */ |
| int (*read_btrace_conf) (const struct btrace_target_info *, struct buffer *); |
| |
| /* Return true if target supports range stepping. */ |
| int (*supports_range_stepping) (void); |
| |
| /* Return the full absolute name of the executable file that was |
| run to create the process PID. If the executable file cannot |
| be determined, NULL is returned. Otherwise, a pointer to a |
| character string containing the pathname is returned. This |
| string should be copied into a buffer by the client if the string |
| will not be immediately used, or if it must persist. */ |
| char *(*pid_to_exec_file) (int pid); |
| |
| /* Multiple-filesystem-aware open. Like open(2), but operating in |
| the filesystem as it appears to process PID. Systems where all |
| processes share a common filesystem should set this to NULL. |
| If NULL, the caller should fall back to open(2). */ |
| int (*multifs_open) (int pid, const char *filename, |
| int flags, mode_t mode); |
| |
| /* Multiple-filesystem-aware unlink. Like unlink(2), but operates |
| in the filesystem as it appears to process PID. Systems where |
| all processes share a common filesystem should set this to NULL. |
| If NULL, the caller should fall back to unlink(2). */ |
| int (*multifs_unlink) (int pid, const char *filename); |
| |
| /* Multiple-filesystem-aware readlink. Like readlink(2), but |
| operating in the filesystem as it appears to process PID. |
| Systems where all processes share a common filesystem should |
| set this to NULL. If NULL, the caller should fall back to |
| readlink(2). */ |
| ssize_t (*multifs_readlink) (int pid, const char *filename, |
| char *buf, size_t bufsiz); |
| |
| /* Return the breakpoint kind for this target based on PC. The PCPTR is |
| adjusted to the real memory location in case a flag (e.g., the Thumb bit on |
| ARM) was present in the PC. */ |
| int (*breakpoint_kind_from_pc) (CORE_ADDR *pcptr); |
| |
| /* Return the software breakpoint from KIND. KIND can have target |
| specific meaning like the Z0 kind parameter. |
| SIZE is set to the software breakpoint's length in memory. */ |
| const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size); |
| |
| /* Return the thread's name, or NULL if the target is unable to determine it. |
| The returned value must not be freed by the caller. */ |
| const char *(*thread_name) (ptid_t thread); |
| |
| /* Return the breakpoint kind for this target based on the current |
| processor state (e.g. the current instruction mode on ARM) and the |
| PC. The PCPTR is adjusted to the real memory location in case a flag |
| (e.g., the Thumb bit on ARM) is present in the PC. */ |
| int (*breakpoint_kind_from_current_state) (CORE_ADDR *pcptr); |
| |
| /* Returns true if the target can software single step. */ |
| int (*supports_software_single_step) (void); |
| |
| /* Return 1 if the target supports catch syscall, 0 (or leave the |
| callback NULL) otherwise. */ |
| int (*supports_catch_syscall) (void); |
| |
| /* Return tdesc index for IPA. */ |
| int (*get_ipa_tdesc_idx) (void); |
| |
| /* Thread ID to (numeric) thread handle: Return true on success and |
| false for failure. Return pointer to thread handle via HANDLE |
| and the handle's length via HANDLE_LEN. */ |
| bool (*thread_handle) (ptid_t ptid, gdb_byte **handle, int *handle_len); |
| }; |
| |
| extern struct target_ops *the_target; |
| |
| void set_target_ops (struct target_ops *); |
| |
| #define create_inferior(program, program_args) \ |
| (*the_target->create_inferior) (program, program_args) |
| |
| #define target_post_create_inferior() \ |
| do \ |
| { \ |
| if (the_target->post_create_inferior != NULL) \ |
| (*the_target->post_create_inferior) (); \ |
| } while (0) |
| |
| #define myattach(pid) \ |
| (*the_target->attach) (pid) |
| |
| int kill_inferior (process_info *proc); |
| |
| #define target_supports_fork_events() \ |
| (the_target->supports_fork_events ? \ |
| (*the_target->supports_fork_events) () : 0) |
| |
| #define target_supports_vfork_events() \ |
| (the_target->supports_vfork_events ? \ |
| (*the_target->supports_vfork_events) () : 0) |
| |
| #define target_supports_exec_events() \ |
| (the_target->supports_exec_events ? \ |
| (*the_target->supports_exec_events) () : 0) |
| |
| #define target_handle_new_gdb_connection() \ |
| do \ |
| { \ |
| if (the_target->handle_new_gdb_connection != NULL) \ |
| (*the_target->handle_new_gdb_connection) (); \ |
| } while (0) |
| |
| #define detach_inferior(proc) \ |
| (*the_target->detach) (proc) |
| |
| #define mythread_alive(pid) \ |
| (*the_target->thread_alive) (pid) |
| |
| #define fetch_inferior_registers(regcache, regno) \ |
| (*the_target->fetch_registers) (regcache, regno) |
| |
| #define store_inferior_registers(regcache, regno) \ |
| (*the_target->store_registers) (regcache, regno) |
| |
| #define join_inferior(pid) \ |
| (*the_target->join) (pid) |
| |
| #define target_supports_non_stop() \ |
| (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0) |
| |
| #define target_async(enable) \ |
| (the_target->async ? (*the_target->async) (enable) : 0) |
| |
| #define target_process_qsupported(features, count) \ |
| do \ |
| { \ |
| if (the_target->process_qsupported) \ |
| the_target->process_qsupported (features, count); \ |
| } while (0) |
| |
| #define target_supports_catch_syscall() \ |
| (the_target->supports_catch_syscall ? \ |
| (*the_target->supports_catch_syscall) () : 0) |
| |
| #define target_get_ipa_tdesc_idx() \ |
| (the_target->get_ipa_tdesc_idx \ |
| ? (*the_target->get_ipa_tdesc_idx) () : 0) |
| |
| #define target_supports_tracepoints() \ |
| (the_target->supports_tracepoints \ |
| ? (*the_target->supports_tracepoints) () : 0) |
| |
| #define target_supports_fast_tracepoints() \ |
| (the_target->install_fast_tracepoint_jump_pad != NULL) |
| |
| #define target_get_min_fast_tracepoint_insn_len() \ |
| (the_target->get_min_fast_tracepoint_insn_len \ |
| ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0) |
| |
| #define thread_stopped(thread) \ |
| (*the_target->thread_stopped) (thread) |
| |
| #define pause_all(freeze) \ |
| do \ |
| { \ |
| if (the_target->pause_all) \ |
| (*the_target->pause_all) (freeze); \ |
| } while (0) |
| |
| #define unpause_all(unfreeze) \ |
| do \ |
| { \ |
| if (the_target->unpause_all) \ |
| (*the_target->unpause_all) (unfreeze); \ |
| } while (0) |
| |
| #define stabilize_threads() \ |
| do \ |
| { \ |
| if (the_target->stabilize_threads) \ |
| (*the_target->stabilize_threads) (); \ |
| } while (0) |
| |
| #define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ |
| collector, lockaddr, \ |
| orig_size, \ |
| jump_entry, \ |
| trampoline, trampoline_size, \ |
| jjump_pad_insn, \ |
| jjump_pad_insn_size, \ |
| adjusted_insn_addr, \ |
| adjusted_insn_addr_end, \ |
| err) \ |
| (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \ |
| collector,lockaddr, \ |
| orig_size, jump_entry, \ |
| trampoline, \ |
| trampoline_size, \ |
| jjump_pad_insn, \ |
| jjump_pad_insn_size, \ |
| adjusted_insn_addr, \ |
| adjusted_insn_addr_end, \ |
| err) |
| |
| #define target_emit_ops() \ |
| (the_target->emit_ops ? (*the_target->emit_ops) () : NULL) |
| |
| #define target_supports_disable_randomization() \ |
| (the_target->supports_disable_randomization ? \ |
| (*the_target->supports_disable_randomization) () : 0) |
| |
| #define target_supports_agent() \ |
| (the_target->supports_agent ? \ |
| (*the_target->supports_agent) () : 0) |
| |
| static inline struct btrace_target_info * |
| target_enable_btrace (ptid_t ptid, const struct btrace_config *conf) |
| { |
| if (the_target->enable_btrace == nullptr) |
| error (_("Target does not support branch tracing.")); |
| |
| return (*the_target->enable_btrace) (ptid, conf); |
| } |
| |
| static inline int |
| target_disable_btrace (struct btrace_target_info *tinfo) |
| { |
| if (the_target->disable_btrace == nullptr) |
| error (_("Target does not support branch tracing.")); |
| |
| return (*the_target->disable_btrace) (tinfo); |
| } |
| |
| static inline int |
| target_read_btrace (struct btrace_target_info *tinfo, |
| struct buffer *buffer, |
| enum btrace_read_type type) |
| { |
| if (the_target->read_btrace == nullptr) |
| error (_("Target does not support branch tracing.")); |
| |
| return (*the_target->read_btrace) (tinfo, buffer, type); |
| } |
| |
| static inline int |
| target_read_btrace_conf (struct btrace_target_info *tinfo, |
| struct buffer *buffer) |
| { |
| if (the_target->read_btrace_conf == nullptr) |
| error (_("Target does not support branch tracing.")); |
| |
| return (*the_target->read_btrace_conf) (tinfo, buffer); |
| } |
| |
| #define target_supports_range_stepping() \ |
| (the_target->supports_range_stepping ? \ |
| (*the_target->supports_range_stepping) () : 0) |
| |
| #define target_supports_stopped_by_sw_breakpoint() \ |
| (the_target->supports_stopped_by_sw_breakpoint ? \ |
| (*the_target->supports_stopped_by_sw_breakpoint) () : 0) |
| |
| #define target_stopped_by_sw_breakpoint() \ |
| (the_target->stopped_by_sw_breakpoint ? \ |
| (*the_target->stopped_by_sw_breakpoint) () : 0) |
| |
| #define target_supports_stopped_by_hw_breakpoint() \ |
| (the_target->supports_stopped_by_hw_breakpoint ? \ |
| (*the_target->supports_stopped_by_hw_breakpoint) () : 0) |
| |
| #define target_supports_hardware_single_step() \ |
| (the_target->supports_hardware_single_step ? \ |
| (*the_target->supports_hardware_single_step) () : 0) |
| |
| #define target_stopped_by_hw_breakpoint() \ |
| (the_target->stopped_by_hw_breakpoint ? \ |
| (*the_target->stopped_by_hw_breakpoint) () : 0) |
| |
| #define target_breakpoint_kind_from_pc(pcptr) \ |
| (the_target->breakpoint_kind_from_pc \ |
| ? (*the_target->breakpoint_kind_from_pc) (pcptr) \ |
| : default_breakpoint_kind_from_pc (pcptr)) |
| |
| #define target_breakpoint_kind_from_current_state(pcptr) \ |
| (the_target->breakpoint_kind_from_current_state \ |
| ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \ |
| : target_breakpoint_kind_from_pc (pcptr)) |
| |
| #define target_supports_software_single_step() \ |
| (the_target->supports_software_single_step ? \ |
| (*the_target->supports_software_single_step) () : 0) |
| |
| /* Start non-stop mode, returns 0 on success, -1 on failure. */ |
| |
| int start_non_stop (int nonstop); |
| |
| ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, |
| int connected_wait); |
| |
| /* Prepare to read or write memory from the inferior process. See the |
| corresponding target_ops methods for more details. */ |
| |
| int prepare_to_access_memory (void); |
| void done_accessing_memory (void); |
| |
| #define target_core_of_thread(ptid) \ |
| (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \ |
| : -1) |
| |
| #define target_thread_name(ptid) \ |
| (the_target->thread_name ? (*the_target->thread_name) (ptid) \ |
| : NULL) |
| |
| #define target_thread_handle(ptid, handle, handle_len) \ |
| (the_target->thread_handle ? (*the_target->thread_handle) \ |
| (ptid, handle, handle_len) \ |
| : false) |
| |
| int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len); |
| |
| int write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr, |
| int len); |
| |
| int set_desired_thread (); |
| |
| const char *target_pid_to_str (ptid_t); |
| |
| int target_can_do_hardware_single_step (void); |
| |
| int default_breakpoint_kind_from_pc (CORE_ADDR *pcptr); |
| |
| #endif /* GDBSERVER_TARGET_H */ |