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unwind-dw2-fde-darwin.c (DESTRUCTOR_MAY_BE_CALLED_LIVE): New.

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* unwind-dw2-fde-darwin.c (DESTRUCTOR_MAY_BE_CALLED_LIVE): New.
	(live_image_destructor): Reset image to initial state.
	(examine_objects): Set DESTRUCTOR_MAY_BE_CALLED_LIVE.

From-SVN: r65145
This commit is contained in:
Geoffrey Keating 2003-04-01 21:02:25 +00:00 committed by Geoffrey Keating
parent 375ffbe622
commit 481a818131
2 changed files with 21 additions and 5 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2003-04-01 Geoffrey Keating <geoffk@apple.com>
* unwind-dw2-fde-darwin.c (DESTRUCTOR_MAY_BE_CALLED_LIVE): New.
(live_image_destructor): Reset image to initial state.
(examine_objects): Set DESTRUCTOR_MAY_BE_CALLED_LIVE.
2003-04-01 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (input_operand): Accept bare

20
gcc/unwind-dw2-fde-darwin.c
View File

@ -86,12 +86,18 @@ enum {
ALLOCED_IMAGE_MASK = 2, /* The FDE entries were allocated by
malloc, and must be freed. This isn't
used by newer libgcc versions. */
IMAGE_IS_TEXT_MASK = 4 /* This image is in the TEXT segment. */
IMAGE_IS_TEXT_MASK = 4, /* This image is in the TEXT segment. */
DESTRUCTOR_MAY_BE_CALLED_LIVE = 8 /* The destructor may be called on an
object that's part of the live
image list. */
};
/* Delete any data we allocated on a live_images structure.
IMAGE has already been removed from the KEYMGR_GCC3_LIVE_IMAGE_LIST.
Called by KeyMgr (which will delete the struct after we return.) */
/* Delete any data we allocated on a live_images structure. Either
IMAGE has already been removed from the
KEYMGR_GCC3_LIVE_IMAGE_LIST and the struct will be deleted
after we return, or that list is locked and we're being called
because this object might be about to be unloaded. Called by
KeyMgr. */
static void
live_image_destructor (struct live_images *image)
@ -105,7 +111,10 @@ live_image_destructor (struct live_images *image)
image->object_info = NULL;
if (image->examined_p & ALLOCED_IMAGE_MASK)
free (image->fde);
image->fde = NULL;
}
image->examined_p = 0;
image->destructor = NULL;
}
/* Run through the list of live images. If we can allocate memory,
@ -165,7 +174,8 @@ examine_objects (void *pc, struct dwarf_eh_bases *bases, int dont_alloc)
image->destructor = live_image_destructor;
image->object_info = ob;
image->examined_p |= EXAMINED_IMAGE_MASK;
image->examined_p |= (EXAMINED_IMAGE_MASK
| DESTRUCTOR_MAY_BE_CALLED_LIVE);
}
image->fde = real_fde;