/* Core dump and executable file functions above target vector, for GDB.
|
/* Core dump and executable file functions above target vector, for GDB.
|
|
|
Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
|
Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
|
1999, 2000, 2001, 2003, 2006, 2007, 2008 Free Software Foundation, Inc.
|
1999, 2000, 2001, 2003, 2006, 2007, 2008 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
#include "defs.h"
|
#include "defs.h"
|
#include "gdb_string.h"
|
#include "gdb_string.h"
|
#include <errno.h>
|
#include <errno.h>
|
#include <signal.h>
|
#include <signal.h>
|
#include <fcntl.h>
|
#include <fcntl.h>
|
#include "inferior.h"
|
#include "inferior.h"
|
#include "symtab.h"
|
#include "symtab.h"
|
#include "command.h"
|
#include "command.h"
|
#include "gdbcmd.h"
|
#include "gdbcmd.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "target.h"
|
#include "target.h"
|
#include "gdbcore.h"
|
#include "gdbcore.h"
|
#include "dis-asm.h"
|
#include "dis-asm.h"
|
#include "gdb_stat.h"
|
#include "gdb_stat.h"
|
#include "completer.h"
|
#include "completer.h"
|
#include "exceptions.h"
|
#include "exceptions.h"
|
|
|
/* Local function declarations. */
|
/* Local function declarations. */
|
|
|
extern void _initialize_core (void);
|
extern void _initialize_core (void);
|
static void call_extra_exec_file_hooks (char *filename);
|
static void call_extra_exec_file_hooks (char *filename);
|
|
|
/* You can have any number of hooks for `exec_file_command' command to
|
/* You can have any number of hooks for `exec_file_command' command to
|
call. If there's only one hook, it is set in exec_file_display
|
call. If there's only one hook, it is set in exec_file_display
|
hook. If there are two or more hooks, they are set in
|
hook. If there are two or more hooks, they are set in
|
exec_file_extra_hooks[], and deprecated_exec_file_display_hook is
|
exec_file_extra_hooks[], and deprecated_exec_file_display_hook is
|
set to a function that calls all of them. This extra complexity is
|
set to a function that calls all of them. This extra complexity is
|
needed to preserve compatibility with old code that assumed that
|
needed to preserve compatibility with old code that assumed that
|
only one hook could be set, and which called
|
only one hook could be set, and which called
|
deprecated_exec_file_display_hook directly. */
|
deprecated_exec_file_display_hook directly. */
|
|
|
typedef void (*hook_type) (char *);
|
typedef void (*hook_type) (char *);
|
|
|
hook_type deprecated_exec_file_display_hook; /* the original hook */
|
hook_type deprecated_exec_file_display_hook; /* the original hook */
|
static hook_type *exec_file_extra_hooks; /* array of additional hooks */
|
static hook_type *exec_file_extra_hooks; /* array of additional hooks */
|
static int exec_file_hook_count = 0; /* size of array */
|
static int exec_file_hook_count = 0; /* size of array */
|
|
|
/* Binary file diddling handle for the core file. */
|
/* Binary file diddling handle for the core file. */
|
|
|
bfd *core_bfd = NULL;
|
bfd *core_bfd = NULL;
|
|
|
|
|
/* Backward compatability with old way of specifying core files. */
|
/* Backward compatability with old way of specifying core files. */
|
|
|
void
|
void
|
core_file_command (char *filename, int from_tty)
|
core_file_command (char *filename, int from_tty)
|
{
|
{
|
struct target_ops *t;
|
struct target_ops *t;
|
|
|
dont_repeat (); /* Either way, seems bogus. */
|
dont_repeat (); /* Either way, seems bogus. */
|
|
|
t = find_core_target ();
|
t = find_core_target ();
|
if (t == NULL)
|
if (t == NULL)
|
error (_("GDB can't read core files on this machine."));
|
error (_("GDB can't read core files on this machine."));
|
|
|
if (!filename)
|
if (!filename)
|
(t->to_detach) (filename, from_tty);
|
(t->to_detach) (filename, from_tty);
|
else
|
else
|
(t->to_open) (filename, from_tty);
|
(t->to_open) (filename, from_tty);
|
}
|
}
|
|
|
|
|
/* If there are two or more functions that wish to hook into
|
/* If there are two or more functions that wish to hook into
|
exec_file_command, this function will call all of the hook
|
exec_file_command, this function will call all of the hook
|
functions. */
|
functions. */
|
|
|
static void
|
static void
|
call_extra_exec_file_hooks (char *filename)
|
call_extra_exec_file_hooks (char *filename)
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 0; i < exec_file_hook_count; i++)
|
for (i = 0; i < exec_file_hook_count; i++)
|
(*exec_file_extra_hooks[i]) (filename);
|
(*exec_file_extra_hooks[i]) (filename);
|
}
|
}
|
|
|
/* Call this to specify the hook for exec_file_command to call back.
|
/* Call this to specify the hook for exec_file_command to call back.
|
This is called from the x-window display code. */
|
This is called from the x-window display code. */
|
|
|
void
|
void
|
specify_exec_file_hook (void (*hook) (char *))
|
specify_exec_file_hook (void (*hook) (char *))
|
{
|
{
|
hook_type *new_array;
|
hook_type *new_array;
|
|
|
if (deprecated_exec_file_display_hook != NULL)
|
if (deprecated_exec_file_display_hook != NULL)
|
{
|
{
|
/* There's already a hook installed. Arrange to have both it
|
/* There's already a hook installed. Arrange to have both it
|
* and the subsequent hooks called. */
|
* and the subsequent hooks called. */
|
if (exec_file_hook_count == 0)
|
if (exec_file_hook_count == 0)
|
{
|
{
|
/* If this is the first extra hook, initialize the hook array. */
|
/* If this is the first extra hook, initialize the hook array. */
|
exec_file_extra_hooks = (hook_type *) xmalloc (sizeof (hook_type));
|
exec_file_extra_hooks = (hook_type *) xmalloc (sizeof (hook_type));
|
exec_file_extra_hooks[0] = deprecated_exec_file_display_hook;
|
exec_file_extra_hooks[0] = deprecated_exec_file_display_hook;
|
deprecated_exec_file_display_hook = call_extra_exec_file_hooks;
|
deprecated_exec_file_display_hook = call_extra_exec_file_hooks;
|
exec_file_hook_count = 1;
|
exec_file_hook_count = 1;
|
}
|
}
|
|
|
/* Grow the hook array by one and add the new hook to the end.
|
/* Grow the hook array by one and add the new hook to the end.
|
Yes, it's inefficient to grow it by one each time but since
|
Yes, it's inefficient to grow it by one each time but since
|
this is hardly ever called it's not a big deal. */
|
this is hardly ever called it's not a big deal. */
|
exec_file_hook_count++;
|
exec_file_hook_count++;
|
new_array =
|
new_array =
|
(hook_type *) xrealloc (exec_file_extra_hooks,
|
(hook_type *) xrealloc (exec_file_extra_hooks,
|
exec_file_hook_count * sizeof (hook_type));
|
exec_file_hook_count * sizeof (hook_type));
|
exec_file_extra_hooks = new_array;
|
exec_file_extra_hooks = new_array;
|
exec_file_extra_hooks[exec_file_hook_count - 1] = hook;
|
exec_file_extra_hooks[exec_file_hook_count - 1] = hook;
|
}
|
}
|
else
|
else
|
deprecated_exec_file_display_hook = hook;
|
deprecated_exec_file_display_hook = hook;
|
}
|
}
|
|
|
/* The exec file must be closed before running an inferior.
|
/* The exec file must be closed before running an inferior.
|
If it is needed again after the inferior dies, it must
|
If it is needed again after the inferior dies, it must
|
be reopened. */
|
be reopened. */
|
|
|
void
|
void
|
close_exec_file (void)
|
close_exec_file (void)
|
{
|
{
|
#if 0 /* FIXME */
|
#if 0 /* FIXME */
|
if (exec_bfd)
|
if (exec_bfd)
|
bfd_tempclose (exec_bfd);
|
bfd_tempclose (exec_bfd);
|
#endif
|
#endif
|
}
|
}
|
|
|
void
|
void
|
reopen_exec_file (void)
|
reopen_exec_file (void)
|
{
|
{
|
#if 0 /* FIXME */
|
#if 0 /* FIXME */
|
if (exec_bfd)
|
if (exec_bfd)
|
bfd_reopen (exec_bfd);
|
bfd_reopen (exec_bfd);
|
#else
|
#else
|
char *filename;
|
char *filename;
|
int res;
|
int res;
|
struct stat st;
|
struct stat st;
|
long mtime;
|
long mtime;
|
|
|
/* Don't do anything if there isn't an exec file. */
|
/* Don't do anything if there isn't an exec file. */
|
if (exec_bfd == NULL)
|
if (exec_bfd == NULL)
|
return;
|
return;
|
|
|
/* If the timestamp of the exec file has changed, reopen it. */
|
/* If the timestamp of the exec file has changed, reopen it. */
|
filename = xstrdup (bfd_get_filename (exec_bfd));
|
filename = xstrdup (bfd_get_filename (exec_bfd));
|
make_cleanup (xfree, filename);
|
make_cleanup (xfree, filename);
|
mtime = bfd_get_mtime (exec_bfd);
|
mtime = bfd_get_mtime (exec_bfd);
|
res = stat (filename, &st);
|
res = stat (filename, &st);
|
|
|
if (mtime && mtime != st.st_mtime)
|
if (mtime && mtime != st.st_mtime)
|
exec_file_attach (filename, 0);
|
exec_file_attach (filename, 0);
|
#endif
|
#endif
|
}
|
}
|
|
|
/* If we have both a core file and an exec file,
|
/* If we have both a core file and an exec file,
|
print a warning if they don't go together. */
|
print a warning if they don't go together. */
|
|
|
void
|
void
|
validate_files (void)
|
validate_files (void)
|
{
|
{
|
if (exec_bfd && core_bfd)
|
if (exec_bfd && core_bfd)
|
{
|
{
|
if (!core_file_matches_executable_p (core_bfd, exec_bfd))
|
if (!core_file_matches_executable_p (core_bfd, exec_bfd))
|
warning (_("core file may not match specified executable file."));
|
warning (_("core file may not match specified executable file."));
|
else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd))
|
else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd))
|
warning (_("exec file is newer than core file."));
|
warning (_("exec file is newer than core file."));
|
}
|
}
|
}
|
}
|
|
|
/* Return the name of the executable file as a string.
|
/* Return the name of the executable file as a string.
|
ERR nonzero means get error if there is none specified;
|
ERR nonzero means get error if there is none specified;
|
otherwise return 0 in that case. */
|
otherwise return 0 in that case. */
|
|
|
char *
|
char *
|
get_exec_file (int err)
|
get_exec_file (int err)
|
{
|
{
|
if (exec_bfd)
|
if (exec_bfd)
|
return bfd_get_filename (exec_bfd);
|
return bfd_get_filename (exec_bfd);
|
if (!err)
|
if (!err)
|
return NULL;
|
return NULL;
|
|
|
error (_("No executable file specified.\n\
|
error (_("No executable file specified.\n\
|
Use the \"file\" or \"exec-file\" command."));
|
Use the \"file\" or \"exec-file\" command."));
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
|
|
/* Report a memory error with error(). */
|
/* Report a memory error with error(). */
|
|
|
void
|
void
|
memory_error (int status, CORE_ADDR memaddr)
|
memory_error (int status, CORE_ADDR memaddr)
|
{
|
{
|
struct ui_file *tmp_stream = mem_fileopen ();
|
struct ui_file *tmp_stream = mem_fileopen ();
|
make_cleanup_ui_file_delete (tmp_stream);
|
make_cleanup_ui_file_delete (tmp_stream);
|
|
|
if (status == EIO)
|
if (status == EIO)
|
{
|
{
|
/* Actually, address between memaddr and memaddr + len
|
/* Actually, address between memaddr and memaddr + len
|
was out of bounds. */
|
was out of bounds. */
|
fprintf_unfiltered (tmp_stream, "Cannot access memory at address ");
|
fprintf_unfiltered (tmp_stream, "Cannot access memory at address ");
|
fputs_filtered (paddress (memaddr), tmp_stream);
|
fputs_filtered (paddress (memaddr), tmp_stream);
|
}
|
}
|
else
|
else
|
{
|
{
|
fprintf_filtered (tmp_stream, "Error accessing memory address ");
|
fprintf_filtered (tmp_stream, "Error accessing memory address ");
|
fputs_filtered (paddress (memaddr), tmp_stream);
|
fputs_filtered (paddress (memaddr), tmp_stream);
|
fprintf_filtered (tmp_stream, ": %s.",
|
fprintf_filtered (tmp_stream, ": %s.",
|
safe_strerror (status));
|
safe_strerror (status));
|
}
|
}
|
|
|
error_stream (tmp_stream);
|
error_stream (tmp_stream);
|
}
|
}
|
|
|
/* Same as target_read_memory, but report an error if can't read. */
|
/* Same as target_read_memory, but report an error if can't read. */
|
void
|
void
|
read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
|
read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
|
{
|
{
|
int status;
|
int status;
|
status = target_read_memory (memaddr, myaddr, len);
|
status = target_read_memory (memaddr, myaddr, len);
|
if (status != 0)
|
if (status != 0)
|
memory_error (status, memaddr);
|
memory_error (status, memaddr);
|
}
|
}
|
|
|
/* Argument / return result struct for use with
|
/* Argument / return result struct for use with
|
do_captured_read_memory_integer(). MEMADDR and LEN are filled in
|
do_captured_read_memory_integer(). MEMADDR and LEN are filled in
|
by gdb_read_memory_integer(). RESULT is the contents that were
|
by gdb_read_memory_integer(). RESULT is the contents that were
|
successfully read from MEMADDR of length LEN. */
|
successfully read from MEMADDR of length LEN. */
|
|
|
struct captured_read_memory_integer_arguments
|
struct captured_read_memory_integer_arguments
|
{
|
{
|
CORE_ADDR memaddr;
|
CORE_ADDR memaddr;
|
int len;
|
int len;
|
LONGEST result;
|
LONGEST result;
|
};
|
};
|
|
|
/* Helper function for gdb_read_memory_integer(). DATA must be a
|
/* Helper function for gdb_read_memory_integer(). DATA must be a
|
pointer to a captured_read_memory_integer_arguments struct.
|
pointer to a captured_read_memory_integer_arguments struct.
|
Return 1 if successful. Note that the catch_errors() interface
|
Return 1 if successful. Note that the catch_errors() interface
|
will return 0 if an error occurred while reading memory. This
|
will return 0 if an error occurred while reading memory. This
|
choice of return code is so that we can distinguish between
|
choice of return code is so that we can distinguish between
|
success and failure. */
|
success and failure. */
|
|
|
static int
|
static int
|
do_captured_read_memory_integer (void *data)
|
do_captured_read_memory_integer (void *data)
|
{
|
{
|
struct captured_read_memory_integer_arguments *args = (struct captured_read_memory_integer_arguments*) data;
|
struct captured_read_memory_integer_arguments *args = (struct captured_read_memory_integer_arguments*) data;
|
CORE_ADDR memaddr = args->memaddr;
|
CORE_ADDR memaddr = args->memaddr;
|
int len = args->len;
|
int len = args->len;
|
|
|
args->result = read_memory_integer (memaddr, len);
|
args->result = read_memory_integer (memaddr, len);
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Read memory at MEMADDR of length LEN and put the contents in
|
/* Read memory at MEMADDR of length LEN and put the contents in
|
RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero
|
RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero
|
if successful. */
|
if successful. */
|
|
|
int
|
int
|
safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value)
|
safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value)
|
{
|
{
|
int status;
|
int status;
|
struct captured_read_memory_integer_arguments args;
|
struct captured_read_memory_integer_arguments args;
|
args.memaddr = memaddr;
|
args.memaddr = memaddr;
|
args.len = len;
|
args.len = len;
|
|
|
status = catch_errors (do_captured_read_memory_integer, &args,
|
status = catch_errors (do_captured_read_memory_integer, &args,
|
"", RETURN_MASK_ALL);
|
"", RETURN_MASK_ALL);
|
if (status)
|
if (status)
|
*return_value = args.result;
|
*return_value = args.result;
|
|
|
return status;
|
return status;
|
}
|
}
|
|
|
LONGEST
|
LONGEST
|
read_memory_integer (CORE_ADDR memaddr, int len)
|
read_memory_integer (CORE_ADDR memaddr, int len)
|
{
|
{
|
gdb_byte buf[sizeof (LONGEST)];
|
gdb_byte buf[sizeof (LONGEST)];
|
|
|
read_memory (memaddr, buf, len);
|
read_memory (memaddr, buf, len);
|
return extract_signed_integer (buf, len);
|
return extract_signed_integer (buf, len);
|
}
|
}
|
|
|
ULONGEST
|
ULONGEST
|
read_memory_unsigned_integer (CORE_ADDR memaddr, int len)
|
read_memory_unsigned_integer (CORE_ADDR memaddr, int len)
|
{
|
{
|
gdb_byte buf[sizeof (ULONGEST)];
|
gdb_byte buf[sizeof (ULONGEST)];
|
|
|
read_memory (memaddr, buf, len);
|
read_memory (memaddr, buf, len);
|
return extract_unsigned_integer (buf, len);
|
return extract_unsigned_integer (buf, len);
|
}
|
}
|
|
|
void
|
void
|
read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len)
|
read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len)
|
{
|
{
|
char *cp;
|
char *cp;
|
int i;
|
int i;
|
int cnt;
|
int cnt;
|
|
|
cp = buffer;
|
cp = buffer;
|
while (1)
|
while (1)
|
{
|
{
|
if (cp - buffer >= max_len)
|
if (cp - buffer >= max_len)
|
{
|
{
|
buffer[max_len - 1] = '\0';
|
buffer[max_len - 1] = '\0';
|
break;
|
break;
|
}
|
}
|
cnt = max_len - (cp - buffer);
|
cnt = max_len - (cp - buffer);
|
if (cnt > 8)
|
if (cnt > 8)
|
cnt = 8;
|
cnt = 8;
|
read_memory (memaddr + (int) (cp - buffer), cp, cnt);
|
read_memory (memaddr + (int) (cp - buffer), cp, cnt);
|
for (i = 0; i < cnt && *cp; i++, cp++)
|
for (i = 0; i < cnt && *cp; i++, cp++)
|
; /* null body */
|
; /* null body */
|
|
|
if (i < cnt && !*cp)
|
if (i < cnt && !*cp)
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
CORE_ADDR
|
CORE_ADDR
|
read_memory_typed_address (CORE_ADDR addr, struct type *type)
|
read_memory_typed_address (CORE_ADDR addr, struct type *type)
|
{
|
{
|
gdb_byte *buf = alloca (TYPE_LENGTH (type));
|
gdb_byte *buf = alloca (TYPE_LENGTH (type));
|
read_memory (addr, buf, TYPE_LENGTH (type));
|
read_memory (addr, buf, TYPE_LENGTH (type));
|
return extract_typed_address (buf, type);
|
return extract_typed_address (buf, type);
|
}
|
}
|
|
|
/* Same as target_write_memory, but report an error if can't write. */
|
/* Same as target_write_memory, but report an error if can't write. */
|
void
|
void
|
write_memory (CORE_ADDR memaddr, const bfd_byte *myaddr, int len)
|
write_memory (CORE_ADDR memaddr, const bfd_byte *myaddr, int len)
|
{
|
{
|
int status;
|
int status;
|
gdb_byte *bytes = alloca (len);
|
gdb_byte *bytes = alloca (len);
|
|
|
memcpy (bytes, myaddr, len);
|
memcpy (bytes, myaddr, len);
|
status = target_write_memory (memaddr, bytes, len);
|
status = target_write_memory (memaddr, bytes, len);
|
if (status != 0)
|
if (status != 0)
|
memory_error (status, memaddr);
|
memory_error (status, memaddr);
|
}
|
}
|
|
|
/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
|
/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
|
void
|
void
|
write_memory_unsigned_integer (CORE_ADDR addr, int len, ULONGEST value)
|
write_memory_unsigned_integer (CORE_ADDR addr, int len, ULONGEST value)
|
{
|
{
|
gdb_byte *buf = alloca (len);
|
gdb_byte *buf = alloca (len);
|
store_unsigned_integer (buf, len, value);
|
store_unsigned_integer (buf, len, value);
|
write_memory (addr, buf, len);
|
write_memory (addr, buf, len);
|
}
|
}
|
|
|
/* Store VALUE at ADDR in the inferior as a LEN-byte signed integer. */
|
/* Store VALUE at ADDR in the inferior as a LEN-byte signed integer. */
|
void
|
void
|
write_memory_signed_integer (CORE_ADDR addr, int len, LONGEST value)
|
write_memory_signed_integer (CORE_ADDR addr, int len, LONGEST value)
|
{
|
{
|
gdb_byte *buf = alloca (len);
|
gdb_byte *buf = alloca (len);
|
store_signed_integer (buf, len, value);
|
store_signed_integer (buf, len, value);
|
write_memory (addr, buf, len);
|
write_memory (addr, buf, len);
|
}
|
}
|
|
|
|
|
|
|
#if 0
|
#if 0
|
/* Enable after 4.12. It is not tested. */
|
/* Enable after 4.12. It is not tested. */
|
|
|
/* Search code. Targets can just make this their search function, or
|
/* Search code. Targets can just make this their search function, or
|
if the protocol has a less general search function, they can call this
|
if the protocol has a less general search function, they can call this
|
in the cases it can't handle. */
|
in the cases it can't handle. */
|
void
|
void
|
generic_search (int len, char *data, char *mask, CORE_ADDR startaddr,
|
generic_search (int len, char *data, char *mask, CORE_ADDR startaddr,
|
int increment, CORE_ADDR lorange, CORE_ADDR hirange,
|
int increment, CORE_ADDR lorange, CORE_ADDR hirange,
|
CORE_ADDR *addr_found, char *data_found)
|
CORE_ADDR *addr_found, char *data_found)
|
{
|
{
|
int i;
|
int i;
|
CORE_ADDR curaddr = startaddr;
|
CORE_ADDR curaddr = startaddr;
|
|
|
while (curaddr >= lorange && curaddr < hirange)
|
while (curaddr >= lorange && curaddr < hirange)
|
{
|
{
|
read_memory (curaddr, data_found, len);
|
read_memory (curaddr, data_found, len);
|
for (i = 0; i < len; ++i)
|
for (i = 0; i < len; ++i)
|
if ((data_found[i] & mask[i]) != data[i])
|
if ((data_found[i] & mask[i]) != data[i])
|
goto try_again;
|
goto try_again;
|
/* It matches. */
|
/* It matches. */
|
*addr_found = curaddr;
|
*addr_found = curaddr;
|
return;
|
return;
|
|
|
try_again:
|
try_again:
|
curaddr += increment;
|
curaddr += increment;
|
}
|
}
|
*addr_found = (CORE_ADDR) 0;
|
*addr_found = (CORE_ADDR) 0;
|
return;
|
return;
|
}
|
}
|
#endif /* 0 */
|
#endif /* 0 */
|
|
|
/* The current default bfd target. Points to storage allocated for
|
/* The current default bfd target. Points to storage allocated for
|
gnutarget_string. */
|
gnutarget_string. */
|
char *gnutarget;
|
char *gnutarget;
|
|
|
/* Same thing, except it is "auto" not NULL for the default case. */
|
/* Same thing, except it is "auto" not NULL for the default case. */
|
static char *gnutarget_string;
|
static char *gnutarget_string;
|
static void
|
static void
|
show_gnutarget_string (struct ui_file *file, int from_tty,
|
show_gnutarget_string (struct ui_file *file, int from_tty,
|
struct cmd_list_element *c, const char *value)
|
struct cmd_list_element *c, const char *value)
|
{
|
{
|
fprintf_filtered (file, _("The current BFD target is \"%s\".\n"), value);
|
fprintf_filtered (file, _("The current BFD target is \"%s\".\n"), value);
|
}
|
}
|
|
|
static void set_gnutarget_command (char *, int, struct cmd_list_element *);
|
static void set_gnutarget_command (char *, int, struct cmd_list_element *);
|
|
|
static void
|
static void
|
set_gnutarget_command (char *ignore, int from_tty, struct cmd_list_element *c)
|
set_gnutarget_command (char *ignore, int from_tty, struct cmd_list_element *c)
|
{
|
{
|
if (strcmp (gnutarget_string, "auto") == 0)
|
if (strcmp (gnutarget_string, "auto") == 0)
|
gnutarget = NULL;
|
gnutarget = NULL;
|
else
|
else
|
gnutarget = gnutarget_string;
|
gnutarget = gnutarget_string;
|
}
|
}
|
|
|
/* Set the gnutarget. */
|
/* Set the gnutarget. */
|
void
|
void
|
set_gnutarget (char *newtarget)
|
set_gnutarget (char *newtarget)
|
{
|
{
|
if (gnutarget_string != NULL)
|
if (gnutarget_string != NULL)
|
xfree (gnutarget_string);
|
xfree (gnutarget_string);
|
gnutarget_string = savestring (newtarget, strlen (newtarget));
|
gnutarget_string = savestring (newtarget, strlen (newtarget));
|
set_gnutarget_command (NULL, 0, NULL);
|
set_gnutarget_command (NULL, 0, NULL);
|
}
|
}
|
|
|
void
|
void
|
_initialize_core (void)
|
_initialize_core (void)
|
{
|
{
|
struct cmd_list_element *c;
|
struct cmd_list_element *c;
|
c = add_cmd ("core-file", class_files, core_file_command, _("\
|
c = add_cmd ("core-file", class_files, core_file_command, _("\
|
Use FILE as core dump for examining memory and registers.\n\
|
Use FILE as core dump for examining memory and registers.\n\
|
No arg means have no core file. This command has been superseded by the\n\
|
No arg means have no core file. This command has been superseded by the\n\
|
`target core' and `detach' commands."), &cmdlist);
|
`target core' and `detach' commands."), &cmdlist);
|
set_cmd_completer (c, filename_completer);
|
set_cmd_completer (c, filename_completer);
|
|
|
|
|
add_setshow_string_noescape_cmd ("gnutarget", class_files,
|
add_setshow_string_noescape_cmd ("gnutarget", class_files,
|
&gnutarget_string, _("(\
|
&gnutarget_string, _("(\
|
Set the current BFD target."), _("\
|
Set the current BFD target."), _("\
|
Show the current BFD target."), _("\
|
Show the current BFD target."), _("\
|
Use `set gnutarget auto' to specify automatic detection."),
|
Use `set gnutarget auto' to specify automatic detection."),
|
set_gnutarget_command,
|
set_gnutarget_command,
|
show_gnutarget_string,
|
show_gnutarget_string,
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
if (getenv ("GNUTARGET"))
|
if (getenv ("GNUTARGET"))
|
set_gnutarget (getenv ("GNUTARGET"));
|
set_gnutarget (getenv ("GNUTARGET"));
|
else
|
else
|
set_gnutarget ("auto");
|
set_gnutarget ("auto");
|
}
|
}
|
|
|
