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add SCM_HEAP_OBJECT_BASE

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* libguile/tags.h (SCM_HEAP_OBJECT_BASE): New macro.  Given a SCM,
  returns a pointer to the start of its memory area on the heap.

* libguile/bytevectors.c:
* libguile/fluids.c:
* libguile/foreign.c:
* libguile/gc.h:
* libguile/guardians.c:
* libguile/numbers.h:
* libguile/ports.c:
* libguile/smob.c:
* libguile/struct.c:
* libguile/weak-set.c:
* libguile/weak-table.c:
* libguile/weak-vector.c: Use it.
This commit is contained in:
Andy Wingo 2011-10-24 18:22:35 +02:00
parent 8c5bb72920
commit 47ed8656db
14 changed files with 41 additions and 25 deletions
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2
libguile/weak-vector.c
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@ -177,7 +177,7 @@ scm_c_weak_vector_set_x (SCM wv, size_t k, SCM x)
if (SCM_HEAP_OBJECT_P (x))
SCM_I_REGISTER_DISAPPEARING_LINK ((GC_PTR) &elts[k],
(GC_PTR) SCM2PTR (x));
(GC_PTR) SCM_HEAP_OBJECT_BASE (x));
}