| /* Target operations for the remote server for GDB. |
| Copyright 2002 |
| 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 2 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, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef TARGET_H |
| #define TARGET_H |
| |
| struct target_ops |
| { |
| /* Start a new process. |
| |
| PROGRAM is a path to the program to execute. |
| ARGS is a standard NULL-terminated array of arguments, |
| to be passed to the inferior as ``argv''. |
| |
| Returns the new PID on success, -1 on failure. Registers the new |
| process with the process list. */ |
| |
| int (*create_inferior) (char *program, char **args); |
| |
| /* Attach to a running process. |
| |
| PID is the process ID to attach to, specified by the user |
| or a higher layer. */ |
| |
| int (*attach) (int pid); |
| |
| /* Kill all inferiors. */ |
| |
| void (*kill) (void); |
| |
| /* Detach from all inferiors. */ |
| |
| void (*detach) (void); |
| |
| /* Return 1 iff the thread with process ID PID is alive. */ |
| |
| int (*thread_alive) (int pid); |
| |
| /* Resume the inferior process. |
| |
| If STEP is non-zero, we want to single-step. |
| |
| If SIGNAL is nonzero, send the process that signal as we resume it. |
| */ |
| |
| void (*resume) (int step, int signo); |
| |
| /* Wait for the inferior process to change state. |
| |
| STATUSP will be filled in with a response code to send to GDB. |
| |
| Returns the signal which caused the process to stop. */ |
| |
| unsigned char (*wait) (char *status); |
| |
| /* Fetch registers from the inferior process. |
| |
| If REGNO is -1, fetch all registers; otherwise, fetch at least REGNO. */ |
| |
| void (*fetch_registers) (int regno); |
| |
| /* Store registers to the inferior process. |
| |
| If REGNO is -1, store all registers; otherwise, store at least REGNO. */ |
| |
| void (*store_registers) (int regno); |
| |
| /* 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. */ |
| |
| void (*read_memory) (CORE_ADDR memaddr, 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 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 a signal to the inferior process, however is appropriate. */ |
| void (*send_signal) (int); |
| }; |
| |
| extern struct target_ops *the_target; |
| |
| void set_target_ops (struct target_ops *); |
| |
| #define create_inferior(program, args) \ |
| (*the_target->create_inferior) (program, args) |
| |
| #define myattach(pid) \ |
| (*the_target->attach) (pid) |
| |
| #define kill_inferior() \ |
| (*the_target->kill) () |
| |
| #define detach_inferior() \ |
| (*the_target->detach) () |
| |
| #define mythread_alive(pid) \ |
| (*the_target->thread_alive) (pid) |
| |
| #define myresume(step,signo) \ |
| (*the_target->resume) (step, signo) |
| |
| #define fetch_inferior_registers(regno) \ |
| (*the_target->fetch_registers) (regno) |
| |
| #define store_inferior_registers(regno) \ |
| (*the_target->store_registers) (regno) |
| |
| unsigned char mywait (char *statusp, int connected_wait); |
| |
| void read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len); |
| |
| int write_inferior_memory (CORE_ADDR memaddr, const char *myaddr, int len); |
| |
| void set_desired_inferior (int id); |
| |
| #endif /* TARGET_H */ |