cdrtools/libschily/setfp.c

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2025-06-15 04:19:58 +08:00
/* @(#)setfp.c 1.13 06/10/05 Copyright 1988, 1995-2003 J. Schilling */
/*
* Set frame pointer
*
* Copyright (c) 1988, 1995-2003 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#include <schily/mconfig.h>
#include <schily/standard.h>
#include <schily/avoffset.h>
#include <schily/schily.h>
#if !defined(AV_OFFSET) || !defined(FP_INDIR)
# ifdef HAVE_SCANSTACK
# undef HAVE_SCANSTACK
# endif
#endif
# ifdef HAVE_SCANSTACK
#include <schily/stkframe.h>
#define MAXWINDOWS 32
#define NWINDOWS 7
extern void **___fpoff __PR((char *cp));
EXPORT void
setfp(fp)
void * const *fp;
{
long **dummy[1];
#ifdef sparc
flush_reg_windows(MAXWINDOWS-2);
#endif
*(long ***)(&((struct frame *)___fpoff((char *)&dummy[0]))->fr_savfp) =
(long **)fp;
#ifdef sparc
flush_reg_windows(MAXWINDOWS-2);
#endif
}
#else
EXPORT void
setfp(fp)
void * const *fp;
{
raisecond("setfp_not_implemented", 0L);
}
#endif