Hi,
attached is a patch that seems to fix the problem with gcc4 and 64bit
architectures.
The scm_mark_locations function in gc-mark.c calls scm_gc_mark on
everything located in one of the allocated segments. Shouldn't there
be a check if the address is at least scm_t_cell aligned?
Is it correct or is it just plain luck it works with the patch?
Thanks,
--
Miroslav Lichvar
--- libguile/gc-mark.c.orig 2006-02-12 14:29:12.000000000 +0100
+++ libguile/gc-mark.c 2006-05-05 14:41:07.000000000 +0200
@@ -433,6 +433,8 @@
for (m = 0; m < n; ++m)
{
SCM obj = * (SCM *) &x[m];
+ if ((scm_t_bits)obj & (sizeof (scm_t_cell) - 1))
+ continue;
long int segment = scm_i_find_heap_segment_containing_object (obj);
if (segment >= 0)
scm_gc_mark (obj);
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