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* gc.c: cancel IA64 changes unnecessary for 1.8.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2004-11-02 03:55:04 +00:00
parent 9364351cbf
commit d329ced71d
1 changed files with 4 additions and 15 deletions
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19
gc.c
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@ -39,14 +39,10 @@
*/
#define __libc_ia64_register_backing_store_base (4ULL<<61)
#else
#ifdef HAVE_UNWIND_H
#include <unwind.h>
#else
#pragma weak __libc_ia64_register_backing_store_base
extern unsigned long __libc_ia64_register_backing_store_base;
#endif
#endif
#endif
#if defined _WIN32 || defined __CYGWIN__
#include <windows.h>
@ -1362,21 +1358,14 @@ garbage_collect()
{
ucontext_t ctx;
VALUE *top, *bot;
#ifdef HAVE_UNWIND_H
_Unwind_Context *unwctx = _UNW_createContextForSelf();
#endif
getcontext(&ctx);
mark_locations_array((VALUE*)&ctx.uc_mcontext,
((size_t)(sizeof(VALUE)-1 + sizeof ctx.uc_mcontext)/sizeof(VALUE)));
#ifdef HAVE_UNWIND_H
_UNW_currentContext(unwctx);
bot = (VALUE*)(long)_UNW_getAR(unwctx, _UNW_AR_BSP);
top = (VALUE*)(long)_UNW_getAR(unwctx, _UNW_AR_BSPSTORE);
_UNW_destroyContext(unwctx);
#else
bot = (VALUE*)__libc_ia64_register_backing_store_base;
top = (VALUE*)ctx.uc_mcontext.IA64_BSPSTORE;
#if defined(__FreeBSD__)
top = (VALUE*)ctx.uc_mcontext.mc_special.bspstore;
#else
top = (VALUE*)ctx.uc_mcontext.sc_ar_bsp;
#endif
rb_gc_mark_locations(bot, top);
}