/* Work with executable files, for GDB.
- Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
- Inc.
+ Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008
+ 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
#include "value.h"
#include "exec.h"
#include "observer.h"
+#include "arch-utils.c"
#include <fcntl.h>
#include "readline/readline.h"
#include <ctype.h>
#include "gdb_stat.h"
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
#include "xcoffsolib.h"
static void exec_files_info (struct target_ops *);
-static int ignore (CORE_ADDR, char *);
-
static void init_exec_ops (void);
void _initialize_exec (void);
struct vmap *vmap;
-void
+static void
exec_open (char *args, int from_tty)
{
target_preopen (from_tty);
{
if (from_tty)
printf_unfiltered (_("No executable file now.\n"));
+
+ set_gdbarch_from_file (NULL);
}
else
{
#endif
if (scratch_chan < 0)
perror_with_name (filename);
- exec_bfd = bfd_fdopenr (scratch_pathname, gnutarget, scratch_chan);
+ exec_bfd = bfd_fopen (scratch_pathname, gnutarget,
+ write_files ? FOPEN_RUB : FOPEN_RB,
+ scratch_chan);
if (!exec_bfd)
error (_("\"%s\": could not open as an executable file: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
-#ifdef DEPRECATED_HPUX_TEXT_END
- DEPRECATED_HPUX_TEXT_END (&exec_ops);
-#endif
-
validate_files ();
set_gdbarch_from_file (exec_bfd);
{
char **argv;
char *filename;
-
- target_preopen (from_tty);
+
+ if (from_tty && target_has_execution
+ && !query (_("A program is being debugged already.\n"
+ "Are you sure you want to change the file? ")))
+ error (_("File not changed."));
if (args)
{
struct section_table **table_pp = (struct section_table **) table_pp_char;
flagword aflag;
+ /* Check the section flags, but do not discard zero-length sections, since
+ some symbols may still be attached to this section. For instance, we
+ encountered on sparc-solaris 2.10 a shared library with an empty .bss
+ section to which a symbol named "_end" was attached. The address
+ of this symbol still needs to be relocated. */
aflag = bfd_get_section_flags (abfd, asect);
if (!(aflag & SEC_ALLOC))
return;
- if (0 == bfd_section_size (abfd, asect))
- return;
+
(*table_pp)->bfd = abfd;
(*table_pp)->the_bfd_section = asect;
(*table_pp)->addr = bfd_section_vma (abfd, asect);
we just tail-call it with more arguments to select between them. */
int
-xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
- struct mem_attrib *attrib,
- struct target_ops *target)
+xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
int res;
struct section_table *p;
for (p = target->to_sections; p < target->to_sections_end; p++)
{
- if (overlay_debugging && section && p->the_bfd_section &&
+ if (overlay_debugging && section &&
strcmp (section->name, p->the_bfd_section->name) != 0)
continue; /* not the section we need */
if (memaddr >= p->addr)
print_section_info (struct target_ops *t, bfd *abfd)
{
struct section_table *p;
- /* FIXME: 16 is not wide enough when TARGET_ADDR_BIT > 64. */
- int wid = TARGET_ADDR_BIT <= 32 ? 8 : 16;
+ /* FIXME: 16 is not wide enough when gdbarch_addr_bit > 64. */
+ int wid = gdbarch_addr_bit (gdbarch_from_bfd (abfd)) <= 32 ? 8 : 16;
printf_filtered ("\t`%s', ", bfd_get_filename (abfd));
wrap_here (" ");
if (abfd == exec_bfd)
{
printf_filtered (_("\tEntry point: "));
- deprecated_print_address_numeric (bfd_get_start_address (abfd), 1, gdb_stdout);
- printf_filtered ("\n");
+ fputs_filtered (paddress (bfd_get_start_address (abfd)), gdb_stdout);
}
for (p = t->to_sections; p < t->to_sections_end; p++)
{
error (_("Section %s not found"), secprint);
}
+/* If we can find a section in FILENAME with BFD index INDEX, and the
+ user has not assigned an address to it yet (via "set section"), adjust it
+ to ADDRESS. */
+
+void
+exec_set_section_address (const char *filename, int index, CORE_ADDR address)
+{
+ struct section_table *p;
+
+ for (p = exec_ops.to_sections; p < exec_ops.to_sections_end; p++)
+ {
+ if (strcmp (filename, p->bfd->filename) == 0
+ && index == p->the_bfd_section->index
+ && p->addr == 0)
+ {
+ p->addr = address;
+ p->endaddr += address;
+ }
+ }
+}
+
/* If mourn is being called in all the right places, this could be say
`gdb internal error' (since generic_mourn calls
breakpoint_init_inferior). */
static int
-ignore (CORE_ADDR addr, char *contents)
+ignore (struct bp_target_info *bp_tgt)
{
return 0;
}