/* Work with executable files, for GDB.
- Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1988-2003, 2007-2012 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "gdbcmd.h"
#include "language.h"
+#include "filenames.h"
#include "symfile.h"
#include "objfiles.h"
#include "completer.h"
#include "arch-utils.h"
#include "gdbthread.h"
#include "progspace.h"
+#include "gdb_bfd.h"
#include <fcntl.h>
#include "readline/readline.h"
if (exec_bfd)
{
bfd *abfd = exec_bfd;
- char *name = bfd_get_filename (abfd);
- gdb_bfd_close_or_warn (abfd);
- xfree (name);
+ gdb_bfd_unref (abfd);
/* Removing target sections may close the exec_ops target.
Clear exec_bfd before doing so to prevent recursion. */
exec_bfd = NULL;
exec_bfd_mtime = 0;
- remove_target_sections (abfd);
+ remove_target_sections (&exec_bfd, abfd);
}
}
vp = nxt;
nxt = vp->nxt;
- /* if there is an objfile associated with this bfd,
- free_objfile() will do proper cleanup of objfile *and* bfd. */
-
if (vp->objfile)
{
free_objfile (vp->objfile);
need_symtab_cleanup = 1;
}
- else if (vp->bfd != exec_bfd)
- /* FIXME-leak: We should be freeing vp->name too, I think. */
- gdb_bfd_close_or_warn (vp->bfd);
+
+ gdb_bfd_unref (vp->bfd);
xfree (vp);
}
&scratch_pathname);
}
#endif
+
+ cleanups = make_cleanup (xfree, scratch_pathname);
+
if (scratch_chan < 0)
perror_with_name (filename);
- exec_bfd = bfd_fopen (scratch_pathname, gnutarget,
- write_files ? FOPEN_RUB : FOPEN_RB,
- scratch_chan);
+ if (write_files)
+ exec_bfd = gdb_bfd_fopen (scratch_pathname, gnutarget,
+ FOPEN_RUB, scratch_chan);
+ else
+ exec_bfd = gdb_bfd_open (scratch_pathname, gnutarget, scratch_chan);
if (!exec_bfd)
{
- close (scratch_chan);
error (_("\"%s\": could not open as an executable file: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
- /* At this point, scratch_pathname and exec_bfd->name both point to the
- same malloc'd string. However exec_close() will attempt to free it
- via the exec_bfd->name pointer, so we need to make another copy and
- leave exec_bfd as the new owner of the original copy. */
- scratch_pathname = xstrdup (scratch_pathname);
- cleanups = make_cleanup (xfree, scratch_pathname);
-
if (!bfd_check_format_matches (exec_bfd, bfd_object, &matching))
{
/* Make sure to close exec_bfd, or else "run" might try to use
/* Add the executable's sections to the current address spaces'
list of sections. This possibly pushes the exec_ops
target. */
- add_target_sections (sections, sections_end);
+ add_target_sections (&exec_bfd, sections, sections_end);
xfree (sections);
/* Tell display code (if any) about the changed file name. */
if (!(aflag & SEC_ALLOC))
return;
+ (*table_pp)->key = NULL;
(*table_pp)->bfd = abfd;
(*table_pp)->the_bfd_section = asect;
(*table_pp)->addr = bfd_section_vma (abfd, asect);
current set of target sections. */
void
-add_target_sections (struct target_section *sections,
+add_target_sections (void *key,
+ struct target_section *sections,
struct target_section *sections_end)
{
int count;
if (count > 0)
{
int space = resize_section_table (table, count);
+ int i;
- memcpy (table->sections + space,
- sections, count * sizeof (sections[0]));
+ for (i = 0; i < count; ++i)
+ {
+ table->sections[space + i] = sections[i];
+ table->sections[space + i].key = key;
+ }
/* If these are the first file sections we can provide memory
from, push the file_stratum target. */
/* Remove all target sections taken from ABFD. */
void
-remove_target_sections (bfd *abfd)
+remove_target_sections (void *key, bfd *abfd)
{
struct target_section *src, *dest;
struct target_section_table *table = current_target_sections;
dest = table->sections;
for (src = table->sections; src < table->sections_end; src++)
- if (src->bfd != abfd)
+ if (src->key != key || src->bfd != abfd)
{
/* Keep this section. */
if (dest < src)
memset ((char *) vp, '\0', sizeof (*vp));
vp->nxt = 0;
vp->bfd = abfd;
+ gdb_bfd_ref (abfd);
vp->name = bfd_get_filename (arch ? arch : abfd);
vp->member = arch ? bfd_get_filename (abfd) : "";
VEC(mem_range_s) *
section_table_available_memory (VEC(mem_range_s) *memory,
- CORE_ADDR memaddr, LONGEST len,
+ CORE_ADDR memaddr, ULONGEST len,
struct target_section *sections,
struct target_section *sections_end)
{
struct target_section *p;
- ULONGEST memend = memaddr + len;
for (p = sections; p < sections_end; p++)
{
return 0; /* We can't help. */
}
-struct target_section_table *
+static struct target_section_table *
exec_get_section_table (struct target_ops *ops)
{
return current_target_sections;
}
}
if (p == t->sections_end)
- warning (_("Cannot find section for the entry point of %s.\n"),
+ warning (_("Cannot find section for the entry point of %s."),
bfd_get_filename (abfd));
entry_point = gdbarch_addr_bits_remove (gdbarch,
static void
exec_files_info (struct target_ops *t)
{
- print_section_info (current_target_sections, exec_bfd);
+ if (exec_bfd)
+ print_section_info (current_target_sections, exec_bfd);
+ else
+ puts_filtered (_("\t<no file loaded>\n"));
if (vmap)
{
table = current_target_sections;
for (p = table->sections; p < table->sections_end; p++)
{
- if (!strncmp (secname, bfd_section_name (exec_bfd,
+ if (!strncmp (secname, bfd_section_name (p->bfd,
p->the_bfd_section), seclen)
- && bfd_section_name (exec_bfd, p->the_bfd_section)[seclen] == '\0')
+ && bfd_section_name (p->bfd, p->the_bfd_section)[seclen] == '\0')
{
offset = secaddr - p->addr;
p->addr += offset;
table = current_target_sections;
for (p = table->sections; p < table->sections_end; p++)
{
- if (strcmp (filename, p->bfd->filename) == 0
+ if (filename_cmp (filename, p->bfd->filename) == 0
&& index == p->the_bfd_section->index)
{
p->endaddr += address - p->addr;