/* Very simple "bfd" target, for GDB, the GNU debugger.
- Copyright (C) 2003, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2003-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "bfd-target.h"
#include "exec.h"
+#include "gdb_bfd.h"
-static LONGEST
+/* 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 enum target_xfer_status
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)
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
{
switch (object)
{
case TARGET_OBJECT_MEMORY:
- return section_table_xfer_memory_partial (readbuf, writebuf, offset, len,
- ops->to_sections,
- ops->to_sections_end);
+ {
+ struct target_bfd_data *data = (struct target_bfd_data *) ops->to_data;
+ return section_table_xfer_memory_partial (readbuf, writebuf,
+ offset, len, xfered_len,
+ data->table.sections,
+ data->table.sections_end,
+ NULL);
+ }
default:
- return -1;
+ return TARGET_XFER_E_IO;
}
}
+static struct target_section_table *
+target_bfd_get_section_table (struct target_ops *ops)
+{
+ struct target_bfd_data *data = (struct target_bfd_data *) ops->to_data;
+ return &data->table;
+}
+
static void
-target_bfd_xclose (struct target_ops *t, int quitting)
+target_bfd_xclose (struct target_ops *t)
{
- bfd_close (t->to_data);
- xfree (t->to_sections);
+ struct target_bfd_data *data = (struct target_bfd_data *) t->to_data;
+
+ gdb_bfd_unref (data->bfd);
+ xfree (data->table.sections);
+ xfree (data);
xfree (t);
}
struct target_ops *
-target_bfd_reopen (struct bfd *bfd)
+target_bfd_reopen (struct bfd *abfd)
{
- struct target_ops *t = XZALLOC (struct target_ops);
+ struct target_ops *t;
+ struct target_bfd_data *data;
+
+ data = XCNEW (struct target_bfd_data);
+ data->bfd = abfd;
+ gdb_bfd_ref (abfd);
+ build_section_table (abfd, &data->table.sections, &data->table.sections_end);
+
+ t = XCNEW (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 = bfd;
+ t->to_data = data;
+ t->to_magic = OPS_MAGIC;
- build_section_table (bfd,
- &t->to_sections,
- &t->to_sections_end);
return t;
}