mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-29 20:23:28 +08:00
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* Very simple "bfd" target, for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
|
|
Free Software Foundation, Inc.
|
|
|
|
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 "defs.h"
|
|
#include "target.h"
|
|
#include "bfd-target.h"
|
|
#include "exec.h"
|
|
|
|
/* The object that is stored in the target_ops->to_data field has this
|
|
type. */
|
|
struct target_bfd_data
|
|
{
|
|
/* The BFD we're wrapping. */
|
|
struct bfd *bfd;
|
|
|
|
/* The section table build from the ALLOC sections in BFD. Note
|
|
that we can't rely on extracting the BFD from a random section in
|
|
the table, since the table can be legitimately empty. */
|
|
struct target_section_table table;
|
|
};
|
|
|
|
static LONGEST
|
|
target_bfd_xfer_partial (struct target_ops *ops,
|
|
enum target_object object,
|
|
const char *annex, gdb_byte *readbuf,
|
|
const gdb_byte *writebuf,
|
|
ULONGEST offset, LONGEST len)
|
|
{
|
|
switch (object)
|
|
{
|
|
case TARGET_OBJECT_MEMORY:
|
|
{
|
|
struct target_bfd_data *data = ops->to_data;
|
|
return section_table_xfer_memory_partial (readbuf, writebuf,
|
|
offset, len,
|
|
data->table.sections,
|
|
data->table.sections_end,
|
|
NULL);
|
|
}
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static struct target_section_table *
|
|
target_bfd_get_section_table (struct target_ops *ops)
|
|
{
|
|
struct target_bfd_data *data = ops->to_data;
|
|
return &data->table;
|
|
}
|
|
|
|
static void
|
|
target_bfd_xclose (struct target_ops *t, int quitting)
|
|
{
|
|
struct target_bfd_data *data = t->to_data;
|
|
|
|
bfd_close (data->bfd);
|
|
xfree (data->table.sections);
|
|
xfree (data);
|
|
xfree (t);
|
|
}
|
|
|
|
struct target_ops *
|
|
target_bfd_reopen (struct bfd *bfd)
|
|
{
|
|
struct target_ops *t;
|
|
struct target_bfd_data *data;
|
|
|
|
data = XZALLOC (struct target_bfd_data);
|
|
data->bfd = bfd;
|
|
build_section_table (bfd, &data->table.sections, &data->table.sections_end);
|
|
|
|
t = XZALLOC (struct target_ops);
|
|
t->to_shortname = "bfd";
|
|
t->to_longname = _("BFD backed target");
|
|
t->to_doc = _("You should never see this");
|
|
t->to_get_section_table = target_bfd_get_section_table;
|
|
t->to_xfer_partial = target_bfd_xfer_partial;
|
|
t->to_xclose = target_bfd_xclose;
|
|
t->to_data = data;
|
|
|
|
return t;
|
|
}
|