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87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/* Copyright (C) 1995,1996,1997, 2000, 2001 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "libguile/_scm.h"
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#include "libguile/ports.h"
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#include "libguile/root.h"
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#include "libguile/stackchk.h"
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/* {Stack Checking}
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*/
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#ifdef STACK_CHECKING
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int scm_stack_checking_enabled_p;
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SCM_SYMBOL (scm_stack_overflow_key, "stack-overflow");
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void
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scm_report_stack_overflow ()
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{
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scm_stack_checking_enabled_p = 0;
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scm_error (scm_stack_overflow_key,
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NULL,
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"Stack overflow",
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SCM_BOOL_F,
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SCM_BOOL_F);
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}
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#endif
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long
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scm_stack_size (SCM_STACKITEM *start)
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{
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SCM_STACKITEM stack;
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#if SCM_STACK_GROWS_UP
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return &stack - start;
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#else
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return start - &stack;
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#endif /* SCM_STACK_GROWS_UP */
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}
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void
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scm_stack_report ()
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{
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SCM_STACKITEM stack;
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scm_intprint (scm_stack_size (SCM_BASE (scm_rootcont)) * sizeof (SCM_STACKITEM),
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16, scm_cur_errp);
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scm_puts (" of stack: 0x", scm_cur_errp);
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scm_intprint ((long) SCM_BASE (scm_rootcont), 16, scm_cur_errp);
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scm_puts (" - 0x", scm_cur_errp);
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scm_intprint ((long) &stack, 16, scm_cur_errp);
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scm_puts ("\n", scm_cur_errp);
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}
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void
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scm_init_stackchk ()
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{
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#include "libguile/stackchk.x"
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}
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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