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/* Target operations for the remote server for GDB.
Copyright (C) 2002, 2004, 2005, 2007, 2008, 2009
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/>. */
#include "server.h"
struct target_ops *the_target;
void
set_desired_inferior (int use_general)
{
struct thread_info *found;
if (use_general == 1)
{
found = (struct thread_info *) find_inferior_id (&all_threads,
general_thread);
}
else
{
found = NULL;
/* If we are continuing any (all) thread(s), use step_thread
to decide which thread to step and/or send the specified
signal to. */
if ((step_thread != 0 && step_thread != -1)
&& (cont_thread == 0 || cont_thread == -1))
found = (struct thread_info *) find_inferior_id (&all_threads,
step_thread);
if (found == NULL)
found = (struct thread_info *) find_inferior_id (&all_threads,
cont_thread);
}
if (found == NULL)
current_inferior = (struct thread_info *) all_threads.head;
else
current_inferior = found;
}
int
read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
{
int res;
res = (*the_target->read_memory) (memaddr, myaddr, len);
check_mem_read (memaddr, myaddr, len);
return res;
}
int
write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
int len)
{
/* Lacking cleanups, there is some potential for a memory leak if the
write fails and we go through error(). Make sure that no more than
one buffer is ever pending by making BUFFER static. */
static unsigned char *buffer = 0;
int res;
if (buffer != NULL)
free (buffer);
buffer = xmalloc (len);
memcpy (buffer, myaddr, len);
check_mem_write (memaddr, buffer, len);
res = (*the_target->write_memory) (memaddr, buffer, len);
free (buffer);
buffer = NULL;
return res;
}
unsigned char
mywait (char *statusp, int connected_wait)
{
unsigned char ret;
if (connected_wait)
server_waiting = 1;
ret = (*the_target->wait) (statusp);
if (connected_wait)
server_waiting = 0;
return ret;
}
void
set_target_ops (struct target_ops *target)
{
the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
memcpy (the_target, target, sizeof (*the_target));
}
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