1 files changed, 171 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/gdbserver/target.h b/contrib/gdb/gdb/gdbserver/target.h
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+++ b/contrib/gdb/gdb/gdbserver/target.h
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+/* Target operations for the remote server for GDB.
+   Copyright 2002, 2003, 2004
+   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
+
+/* 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 generally passed around
+   as an array, and terminated by a thread == -1 entry.  */
+
+struct thread_resume
+{
+  int thread;
+
+  /* If non-zero, leave this thread stopped.  */
+  int leave_stopped;
+
+  /* If non-zero, we want to single-step.  */
+  int step;
+
+  /* If non-zero, send this signal when we resume.  */
+  int sig;
+};
+
+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.  */
+
+  void (*resume) (struct thread_resume *resume_info);
+
+  /* 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.
+  
+     Returns 0 on success and errno on failure.  */
+
+  int (*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);
+
+  /* Read auxiliary vector data from the inferior process.
+
+     Read LEN bytes at OFFSET into a buffer at MYADDR.  */
+
+  int (*read_auxv) (CORE_ADDR offset, char *myaddr, unsigned 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 detach_inferior() \
+  (*the_target->detach) ()
+
+#define mythread_alive(pid) \
+  (*the_target->thread_alive) (pid)
+
+#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);
+
+int 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 */