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* gc.c (rb_gc_mark_locations): get rid of underflow.

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* gc.c (mark_current_machine_context): check if the main thread stack
  position may shink under the intialized position.  [ruby-core:16436]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16072 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-04-18 08:37:50 +00:00
parent 38af102ccc
commit 6b5e24a61a
2 changed files with 10 additions and 3 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Fri Apr 18 17:37:48 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* gc.c (rb_gc_mark_locations): get rid of underflow.
* gc.c (mark_current_machine_context): check if the main thread stack
position may shink under the intialized position. [ruby-core:16436]
Thu Apr 17 22:20:52 2008 Yusuke Endoh <mame@tsg.ne.jp>
* enc/trans/utf_16_32.c (fun_so_to_utf_16be, fun_so_to_utf_16le): add

6
gc.c
View file

@ -794,6 +794,7 @@ rb_gc_mark_locations(VALUE *start, VALUE *end)
{
long n;
if (end <= start) return;
n = end - start;
mark_locations_array(start,n);
}
@ -1491,10 +1492,9 @@ mark_current_machine_context(rb_thread_t *th)
mark_locations_array((VALUE*)save_regs_gc_mark,
sizeof(save_regs_gc_mark) / sizeof(VALUE));
mark_locations_array(stack_start, stack_end - stack_start);
rb_gc_mark_locations(stack_start, stack_end);
#ifdef __ia64
mark_locations_array(th->machine_register_stack_start,
th->machine_register_stack_end - th->machine_register_stack_start);
rb_gc_mark_locations(th->machine_register_stack_start, th->machine_register_stack_end);
#endif
#if defined(__human68k__) || defined(__mc68000__)
mark_locations_array((VALUE*)((char*)STACK_END + 2),