Bug #2315 ยป get_machine_stack_bounds.patch
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* io.c (io_cntl): F_DUPFD is platform dependent.
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Mon Oct 25 13:28:00 2009 Suraj N. Kurapati <sunaku@gmail.com>
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* gc.c: refactor common code from mark_current_machine_context()
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and rb_gc_mark_machine_stack() into get_machine_stack_bounds().
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Sun Oct 25 10:19:09 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* ext/dl/handle.c (rb_dlhandle_close): fixed an invalid local
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| gc.c | ||
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void rb_vm_mark(void *ptr);
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static void
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get_machine_stack_bounds(rb_thread_t *th, VALUE **stack_start, VALUE **stack_end, unsigned stack_end_increment)
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{
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#if STACK_GROW_DIRECTION < 0
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*stack_start = th->machine_stack_end;
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*stack_end = th->machine_stack_start;
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#elif STACK_GROW_DIRECTION > 0
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*stack_start = th->machine_stack_start;
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*stack_end = th->machine_stack_end + stack_end_increment;
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#else
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if (th->machine_stack_end < th->machine_stack_start) {
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*stack_start = th->machine_stack_end;
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*stack_end = th->machine_stack_start;
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}
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else {
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*stack_start = th->machine_stack_start;
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*stack_end = th->machine_stack_end + stack_end_increment;
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}
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#endif
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}
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static void
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mark_current_machine_context(rb_objspace_t *objspace, rb_thread_t *th)
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{
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rb_jmp_buf save_regs_gc_mark;
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| ... | ... | |
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rb_setjmp(save_regs_gc_mark);
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SET_STACK_END;
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#if STACK_GROW_DIRECTION < 0
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stack_start = th->machine_stack_end;
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stack_end = th->machine_stack_start;
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#elif STACK_GROW_DIRECTION > 0
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stack_start = th->machine_stack_start;
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stack_end = th->machine_stack_end + 1;
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#else
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if (th->machine_stack_end < th->machine_stack_start) {
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stack_start = th->machine_stack_end;
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stack_end = th->machine_stack_start;
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}
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else {
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stack_start = th->machine_stack_start;
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stack_end = th->machine_stack_end + 1;
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}
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#endif
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get_machine_stack_bounds(th, &stack_start, &stack_end, 1);
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mark_locations_array(objspace,
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(VALUE*)save_regs_gc_mark,
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| ... | ... | |
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void
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rb_gc_mark_machine_stack(rb_thread_t *th)
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{
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VALUE *stack_start, *stack_end;
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get_machine_stack_bounds(th, &stack_start, &stack_end, 0);
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rb_objspace_t *objspace = &rb_objspace;
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#if STACK_GROW_DIRECTION < 0
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rb_gc_mark_locations(th->machine_stack_end, th->machine_stack_start);
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#elif STACK_GROW_DIRECTION > 0
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rb_gc_mark_locations(th->machine_stack_start, th->machine_stack_end);
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#else
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if (th->machine_stack_start < th->machine_stack_end) {
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rb_gc_mark_locations(th->machine_stack_start, th->machine_stack_end);
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}
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else {
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rb_gc_mark_locations(th->machine_stack_end, th->machine_stack_start);
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}
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#endif
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rb_gc_mark_locations(stack_start, stack_end);
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#ifdef __ia64
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rb_gc_mark_locations(th->machine_register_stack_start, th->machine_register_stack_end);
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#endif
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