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* jit.c (jit_object_close_impl): Don't malloc the objfile

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name.
	* objfiles.c (allocate_objfile): Don't malloc the objfile
	name.
	(free_objfile): Don't free the objfile name.
	* objfiles.h (struct objfile) <name>: Update comment.
	* symfile.c (reread_symbols): Fix reference counting.  Don't
	malloc objfile name.
This commit is contained in:
Tom Tromey 2012-08-22 16:44:45 +00:00
parent 1c00ec6b06
commit e1507e953e
5 changed files with 27 additions and 12 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2012-08-22 Tom Tromey <tromey@redhat.com>
* jit.c (jit_object_close_impl): Don't malloc the objfile
name.
* objfiles.c (allocate_objfile): Don't malloc the objfile
name.
(free_objfile): Don't free the objfile name.
* objfiles.h (struct objfile) <name>: Update comment.
* symfile.c (reread_symbols): Fix reference counting. Don't
malloc objfile name.
2012-08-22 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_make_so): Use gdb_bfd_open.

3
gdb/jit.c
View File

@ -761,8 +761,7 @@ jit_object_close_impl (struct gdb_symbol_callbacks *cb,
terminate_minimal_symbol_table (objfile);
xfree (objfile->name);
objfile->name = xstrdup ("<< JIT compiled code >>");
objfile->name = "<< JIT compiled code >>";
j = NULL;
for (i = obj->symtabs; i; i = j)

5
gdb/objfiles.c
View File

@ -271,7 +271,7 @@ allocate_objfile (bfd *abfd, int flags)
/* Look up the gdbarch associated with the BFD. */
objfile->gdbarch = gdbarch_from_bfd (abfd);
objfile->name = xstrdup (bfd_get_filename (abfd));
objfile->name = bfd_get_filename (abfd);
objfile->mtime = bfd_get_mtime (abfd);
/* Build section table. */
@ -279,7 +279,7 @@ allocate_objfile (bfd *abfd, int flags)
}
else
{
objfile->name = xstrdup ("<<anonymous objfile>>");
objfile->name = "<<anonymous objfile>>";
}
objfile->per_bfd = get_objfile_bfd_data (objfile, abfd);
@ -670,7 +670,6 @@ free_objfile (struct objfile *objfile)
/* The last thing we do is free the objfile struct itself. */
xfree (objfile->name);
if (objfile->global_psymbols.list)
xfree (objfile->global_psymbols.list);
if (objfile->static_psymbols.list)

5
gdb/objfiles.h
View File

@ -197,8 +197,9 @@ struct objfile
struct objfile *next;
/* The object file's name, tilde-expanded and absolute. Malloc'd; free it
if you free this struct. This pointer is never NULL. */
/* The object file's name, tilde-expanded and absolute. This
pointer is never NULL. This does not have to be freed; it is
guaranteed to have a lifetime at least as long as the objfile. */
char *name;

15
gdb/symfile.c
View File

@ -2506,9 +2506,7 @@ reread_symbols (void)
clear_objfile_data (objfile);
/* Clean up any state BFD has sitting around. We don't need
to close the descriptor but BFD lacks a way of closing the
BFD without closing the descriptor. */
/* Clean up any state BFD has sitting around. */
{
struct bfd *obfd = objfile->obfd;
@ -2516,11 +2514,18 @@ reread_symbols (void)
/* Open the new BFD before freeing the old one, so that
the filename remains live. */
objfile->obfd = gdb_bfd_open_maybe_remote (obfd_filename);
if (objfile->obfd == NULL)
{
/* We have to make a cleanup and error here, rather
than erroring later, because once we unref OBFD,
OBFD_FILENAME will be freed. */
make_cleanup_bfd_unref (obfd);
error (_("Can't open %s to read symbols."), obfd_filename);
}
gdb_bfd_unref (obfd);
}
if (objfile->obfd == NULL)
error (_("Can't open %s to read symbols."), objfile->name);
objfile->name = bfd_get_filename (objfile->obfd);
/* bfd_openr sets cacheable to true, which is what we want. */
if (!bfd_check_format (objfile->obfd, bfd_object))
error (_("Can't read symbols from %s: %s."), objfile->name,