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sync with w3m-0.2.2-inu-1.1/gc

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This commit is contained in:
Fumitoshi UKAI
2001-12-20 00:37:29 +00:00
parent e92622a345
commit 548b9dd8db
54 changed files with 1604 additions and 473 deletions
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37
gc/mark_rts.c
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@@ -252,7 +252,7 @@ GC_bool tmp;
n_root_sets++;
}
static roots_were_cleared = FALSE;
static GC_bool roots_were_cleared = FALSE;
void GC_clear_roots GC_PROTO((void))
{
@@ -521,16 +521,6 @@ ptr_t cold_gc_frame;
{
register int i;
/*
* push registers - i.e., call GC_push_one(r) for each
* register contents r.
*/
# ifdef USE_GENERIC_PUSH_REGS
GC_generic_push_regs(cold_gc_frame);
# else
GC_push_regs(); /* usually defined in machine_dep.c */
# endif
/*
* Next push static data. This must happen early on, since it's
* not robust against mark stack overflow.
@@ -564,19 +554,30 @@ ptr_t cold_gc_frame;
# endif
/*
* Now traverse stacks.
* Now traverse stacks, and mark from register contents.
* These must be done last, since they can legitimately overflow
* the mark stack.
*/
# if !defined(USE_GENERIC_PUSH_REGS)
# ifdef USE_GENERIC_PUSH_REGS
GC_generic_push_regs(cold_gc_frame);
/* Also pushes stack, so that we catch callee-save registers */
/* saved inside the GC_push_regs frame. */
# else
/*
* push registers - i.e., call GC_push_one(r) for each
* register contents r.
*/
GC_push_regs(); /* usually defined in machine_dep.c */
GC_push_current_stack(cold_gc_frame);
/* IN the threads case, this only pushes collector frames. */
/* In the USE_GENERIC_PUSH_REGS case, this is done inside */
/* GC_push_regs, so that we catch callee-save registers saved */
/* inside the GC_push_regs frame. */
/* In the case of linux threads on Ia64, the hot section of */
/* In the threads case, this only pushes collector frames. */
/* In the case of linux threads on IA64, the hot section of */
/* the main stack is marked here, but the register stack */
/* backing store is handled in the threads-specific code. */
# endif
if (GC_push_other_roots != 0) (*GC_push_other_roots)();
/* In the threads case, this also pushes thread stacks. */
/* Note that without interior pointer recognition lots */
/* of stuff may have been pushed already, and this */
/* should be careful about mark stack overflows. */
}