--- /dev/null
+/* Inferior process information 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. */
+
+#include <stdlib.h>
+
+#include "server.h"
+
+struct inferior_info
+{
+ int pid;
+ struct inferior_info *next;
+};
+
+static struct inferior_info *inferiors;
+struct inferior_info *current_inferior;
+int signal_pid;
+
+void
+add_inferior (int pid)
+{
+ struct inferior_info *new_inferior
+ = (struct inferior_info *) malloc (sizeof (*new_inferior));
+
+ memset (new_inferior, 0, sizeof (*new_inferior));
+
+ new_inferior->pid = pid;
+
+ new_inferior->next = inferiors;
+ inferiors = new_inferior;
+
+ if (current_inferior == NULL)
+ current_inferior = inferiors;
+
+ if (signal_pid == 0)
+ signal_pid = pid;
+}
+
+void
+clear_inferiors (void)
+{
+ struct inferior_info *inf = inferiors, *next_inf;
+
+ while (inf)
+ {
+ next_inf = inf->next;
+ free (inf);
+ inf = next_inf;
+ }
+
+ inferiors = NULL;
+}
--- /dev/null
+/* 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. */
+
+#include "server.h"
+
+struct target_ops *the_target;
+
+void
+set_target_ops (struct target_ops *target)
+{
+ the_target = (struct target_ops *) malloc (sizeof (*the_target));
+ memcpy (the_target, target, sizeof (*the_target));
+}
--- /dev/null
+/* 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 0 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);
+
+ /* 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.
+
+ 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.
+
+ Write LEN bytes from the buffer at MYADDR to MEMADDR.
+
+ Returns 0 on success and errno on failure. */
+
+ int (*write_memory) (CORE_ADDR memaddr, char *myaddr, int len);
+};
+
+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 mythread_alive(pid) \
+ (*the_target->thread_alive) (pid)
+
+#define myresume(step,signo) \
+ (*the_target->resume) (step, signo)
+
+#define mywait(statusp) \
+ (*the_target->wait) (statusp)
+
+#define fetch_inferior_registers(regno) \
+ (*the_target->fetch_registers) (regno)
+
+#define store_inferior_registers(regno) \
+ (*the_target->store_registers) (regno)
+
+#define read_inferior_memory(memaddr,myaddr,len) \
+ (*the_target->read_memory) (memaddr, myaddr, len)
+
+#define write_inferior_memory(memaddr,myaddr,len) \
+ (*the_target->write_memory) (memaddr, myaddr, len)
+
+#endif /* TARGET_H */