116 lines
4.6 KiB
C
116 lines
4.6 KiB
C
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/*************************************************************************/
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/* */
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/* Language Technologies Institute */
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/* Carnegie Mellon University */
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/* Copyright (c) 2004 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* Author: Alan W Black (awb@cs.cmu.edu) */
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/* Date: December 2004 */
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/*************************************************************************/
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/* */
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/* PalmOS Callbacks to System Functions */
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/* */
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/*************************************************************************/
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#include <PalmOS.h>
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#include <PceNativeCall.h>
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#include <CoreTraps.h>
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#include <StringMgr.h>
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#include "pocore.h"
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#include "stdarg.h"
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Int16
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StrVPrintF( Char* s, const Char* format, _Palm_va_list args )
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{
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Int16 r;
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unsigned char stack[12];
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unsigned void *arm_args = (void *)args;
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unsigned char *m68k_args;
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int m68k_args_size = 0;
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int m68k_p, arm_p;
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*(int *)&stack[0] = SWAPINT(s);
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*(int *)&stack[4] = SWAPINT(format);
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m68k_args = cst_alloc(unsigned char,24);
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m68k_args_size = 24;
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m68k_p = 0;
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arm_p = 0;
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for (i=0; format[i]; i++)
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{
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if (format[i] == '%')
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{
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i++;
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if (format[i] == '%')
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continue;
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else if ((format[i] == 's') ||
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(format[i] == 'l') ||
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(format[i] == 'f'))
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{ /* a four byte item */
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*(int *)&stack[m68k_p] = SWAPINT(arm_args[arm_p]);
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m68k_p += 4; arm_p++;
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}
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else if ((format[i] == '.'))
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{ /* a two item item -- assumes a string */
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*(unsigned short *)&stack[m68k_p] = SWAPSHORT(arm_args[arm_p]);
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m68k_p += 2; arm_p++;
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*(int *)&stack[m68k_p] = SWAPINT(arm_args[arm_p]);
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m68k_p += 4; arm_p++;
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}
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else if ((format[i] == 'c'))
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{ /* a one byte item */
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*(unsigned char *)&stack[m68k_p] = arm_args[arm_p]; /* wrong */
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m68k_p += 1; arm_p++;
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p += 1;
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}
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else if ((format[i] == 'd'))
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{ /* a two byte item */
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*(unsigned short *)&stack[m68k_p] = SWAPSHORT(arm_args[arm_p]);
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m68k_p += 2; arm_p++;
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}
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}
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}
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/* Need to unpack the arm args and make the m68k args */
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*(int *)&stack[8] = SWAPINT(args);
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r = (Int16)(*gCall68KFuncP)(gEmulStateP,
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PceNativeTrapNo(sysTrapStrVPrintF),
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stack,
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12 | kPceNativeWantA0);
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cst_free(m68k_args);
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return r;
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}
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