[rfa] use allocate_block more
Elena Zannoni
ezannoni@redhat.com
Thu Sep 11 23:33:00 GMT 2003
David Carlton writes:
> On Tue, 9 Sep 2003 15:51:37 -0400, Elena Zannoni <ezannoni@redhat.com> said:
>
> > I think it would make sense, in a next pass, to have all the creation
> > of blocks go through the new function.
>
> Well, I was planning to do that; here's what I came up with instead.
> The problem is that mdebugread.c currently doesn't allocate blocks on
> an obstack at all! That should presumably be fixed ("rm mdebugread.c"
> would be my preferred method), but I didn't feel like doing that
> right now; I'd rather leave it up to somebody with access to a machine
> using mdebugread.
>
> Tested on i686-pc-linux-gnu, GCC 3.2, DWARF 2; no new regressions. OK
> to commit?
Yep.
elena
>
> David Carlton
> carlton@kealia.com
>
> 2003-09-11 David Carlton <carlton@kealia.com>
>
> * buildsym.c (finish_block): Use allocate_block to allocate the
> block.
> * mdebugread.c (new_block): Add FIXME.
>
> Index: buildsym.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/buildsym.c,v
> retrieving revision 1.33
> diff -u -p -r1.33 buildsym.c
> --- buildsym.c 11 Jun 2003 23:29:46 -0000 1.33
> +++ buildsym.c 11 Sep 2003 22:58:08 -0000
> @@ -231,19 +231,15 @@ finish_block (struct symbol *symbol, str
> register struct pending_block *pblock;
> struct pending_block *opblock;
>
> - /* Initialize the block's dictionary. */
> + block = allocate_block (&objfile->symbol_obstack);
>
> if (symbol)
> {
> - block = (struct block *)
> - obstack_alloc (&objfile->symbol_obstack, sizeof (struct block));
> BLOCK_DICT (block) = dict_create_linear (&objfile->symbol_obstack,
> *listhead);
> }
> else
> {
> - block = (struct block *)
> - obstack_alloc (&objfile->symbol_obstack, sizeof (struct block));
> BLOCK_DICT (block) = dict_create_hashed (&objfile->symbol_obstack,
> *listhead);
> }
> Index: mdebugread.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/mdebugread.c,v
> retrieving revision 1.47
> diff -u -p -r1.47 mdebugread.c
> --- mdebugread.c 11 Jun 2003 23:29:47 -0000 1.47
> +++ mdebugread.c 11 Sep 2003 22:58:14 -0000
> @@ -4696,6 +4696,9 @@ new_bvect (int nblocks)
> static struct block *
> new_block (enum block_type type)
> {
> + /* FIXME: carlton/2003-09-11: This should use allocate_block to
> + allocate the block. Which, in turn, suggests that the block
> + should be allocated on an obstack. */
> struct block *retval = xzalloc (sizeof (struct block));
>
> if (type == FUNCTION_BLOCK)
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