/* Core dump and executable file functions above target vector, for GDB.
- Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997,
- 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2003, 2006, 2007, 2008, 2009
+ 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 2 of the License, or
+ 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,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_string.h"
error (_("GDB can't read core files on this machine."));
if (!filename)
- (t->to_detach) (filename, from_tty);
+ (t->to_detach) (t, filename, from_tty);
else
(t->to_open) (filename, from_tty);
}
int res;
struct stat st;
long mtime;
+ struct cleanup *cleanups;
- /* Don't do anything if the current target isn't exec. */
- if (exec_bfd == NULL || strcmp (target_shortname, "exec") != 0)
+ /* Don't do anything if there isn't an exec file. */
+ if (exec_bfd == NULL)
return;
/* If the timestamp of the exec file has changed, reopen it. */
filename = xstrdup (bfd_get_filename (exec_bfd));
- make_cleanup (xfree, filename);
- mtime = bfd_get_mtime (exec_bfd);
+ cleanups = make_cleanup (xfree, filename);
res = stat (filename, &st);
- if (mtime && mtime != st.st_mtime)
- {
- exec_open (filename, 0);
- }
+ if (exec_bfd_mtime && exec_bfd_mtime != st.st_mtime)
+ exec_file_attach (filename, 0);
+ else
+ /* If we accessed the file since last opening it, close it now;
+ this stops GDB from holding the executable open after it
+ exits. */
+ bfd_cache_close_all ();
+
+ do_cleanups (cleanups);
#endif
}
\f
}
\f
-/* Report a memory error with error(). */
+/* Report a memory error by throwing a MEMORY_ERROR error. */
void
memory_error (int status, CORE_ADDR memaddr)
{
- struct ui_file *tmp_stream = mem_fileopen ();
- make_cleanup_ui_file_delete (tmp_stream);
-
if (status == EIO)
- {
- /* Actually, address between memaddr and memaddr + len
- was out of bounds. */
- fprintf_unfiltered (tmp_stream, "Cannot access memory at address ");
- deprecated_print_address_numeric (memaddr, 1, tmp_stream);
- }
+ /* Actually, address between memaddr and memaddr + len was out of
+ bounds. */
+ throw_error (MEMORY_ERROR,
+ _("Cannot access memory at address %s"),
+ paddress (memaddr));
else
- {
- fprintf_filtered (tmp_stream, "Error accessing memory address ");
- deprecated_print_address_numeric (memaddr, 1, tmp_stream);
- fprintf_filtered (tmp_stream, ": %s.",
- safe_strerror (status));
- }
-
- error_stream (tmp_stream);
+ throw_error (MEMORY_ERROR,
+ _("Error accessing memory address %s: %s."),
+ paddress (memaddr),
+ safe_strerror (status));
}
/* Same as target_read_memory, but report an error if can't read. */
LONGEST
read_memory_integer (CORE_ADDR memaddr, int len)
{
- char buf[sizeof (LONGEST)];
+ gdb_byte buf[sizeof (LONGEST)];
read_memory (memaddr, buf, len);
return extract_signed_integer (buf, len);
ULONGEST
read_memory_unsigned_integer (CORE_ADDR memaddr, int len)
{
- char buf[sizeof (ULONGEST)];
+ gdb_byte buf[sizeof (ULONGEST)];
read_memory (memaddr, buf, len);
return extract_unsigned_integer (buf, len);
CORE_ADDR
read_memory_typed_address (CORE_ADDR addr, struct type *type)
{
- char *buf = alloca (TYPE_LENGTH (type));
+ gdb_byte *buf = alloca (TYPE_LENGTH (type));
read_memory (addr, buf, TYPE_LENGTH (type));
return extract_typed_address (buf, type);
}
write_memory (CORE_ADDR memaddr, const bfd_byte *myaddr, int len)
{
int status;
- bfd_byte *bytes = alloca (len);
-
- memcpy (bytes, myaddr, len);
- status = target_write_memory (memaddr, bytes, len);
+ status = target_write_memory (memaddr, myaddr, len);
if (status != 0)
memory_error (status, memaddr);
}
void
write_memory_unsigned_integer (CORE_ADDR addr, int len, ULONGEST value)
{
- char *buf = alloca (len);
+ gdb_byte *buf = alloca (len);
store_unsigned_integer (buf, len, value);
write_memory (addr, buf, len);
}
void
write_memory_signed_integer (CORE_ADDR addr, int len, LONGEST value)
{
- char *buf = alloca (len);
+ gdb_byte *buf = alloca (len);
store_signed_integer (buf, len, value);
write_memory (addr, buf, len);
}
-
-\f
-
-#if 0
-/* Enable after 4.12. It is not tested. */
-
-/* Search code. Targets can just make this their search function, or
- if the protocol has a less general search function, they can call this
- in the cases it can't handle. */
-void
-generic_search (int len, char *data, char *mask, CORE_ADDR startaddr,
- int increment, CORE_ADDR lorange, CORE_ADDR hirange,
- CORE_ADDR *addr_found, char *data_found)
-{
- int i;
- CORE_ADDR curaddr = startaddr;
-
- while (curaddr >= lorange && curaddr < hirange)
- {
- read_memory (curaddr, data_found, len);
- for (i = 0; i < len; ++i)
- if ((data_found[i] & mask[i]) != data[i])
- goto try_again;
- /* It matches. */
- *addr_found = curaddr;
- return;
-
- try_again:
- curaddr += increment;
- }
- *addr_found = (CORE_ADDR) 0;
- return;
-}
-#endif /* 0 */
\f
/* The current default bfd target. Points to storage allocated for
gnutarget_string. */
{
if (gnutarget_string != NULL)
xfree (gnutarget_string);
- gnutarget_string = savestring (newtarget, strlen (newtarget));
+ gnutarget_string = xstrdup (newtarget);
set_gnutarget_command (NULL, 0, NULL);
}
add_setshow_string_noescape_cmd ("gnutarget", class_files,
- &gnutarget_string, _("(\
+ &gnutarget_string, _("\
Set the current BFD target."), _("\
Show the current BFD target."), _("\
Use `set gnutarget auto' to specify automatic detection."),