mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/* Target operations for the remote server for GDB.
|
|
Copyright (C) 2002, 2004, 2005, 2007, 2008 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 = 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));
|
|
}
|