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Diffstat (limited to 'gdbserver/target.h')
| -rw-r--r-- | gdbserver/target.h | 736 |
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diff --git a/gdbserver/target.h b/gdbserver/target.h new file mode 100644 index 0000000..1b0810b --- /dev/null +++ b/gdbserver/target.h @@ -0,0 +1,736 @@ +/* Target operations for the remote server for GDB. + Copyright (C) 2002-2020 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 "gdbsupport/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 */ +}; + +/* GDBserver doesn't have a concept of strata like GDB, but we call + its target vector "process_stratum" anyway for the benefit of + shared code. */ +struct process_stratum_target +{ + /* 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 target_write_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); + + /* 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 process_stratum_target *the_target; + +void set_target_ops (process_stratum_target *); + +#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 process_stratum_target 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 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 */ |