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/* Target operations for the remote server for GDB.
Copyright 2002, 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. */
#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 && (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, 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 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 char *buffer = 0;
int res;
if (buffer != NULL)
free (buffer);
buffer = malloc (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 *) malloc (sizeof (*the_target));
memcpy (the_target, target, sizeof (*the_target));
}
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