2003-11-16 20:23:48 +01:00
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/* copied from _Palm Programming_ p. 79*/
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#ifndef __CALLBACK__
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#define __CALLBACK__
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2004-09-19 05:20:32 +02:00
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#if defined MW_COMPILER
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2003-11-16 20:23:48 +01:00
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/* these are no-ops for MW as I understand it */
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# define CALLBACK_PROLOGUE()
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# define CALLBACK_EPILOGUE()
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2004-09-19 05:20:32 +02:00
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#elif defined XW_TARGET_PNO || defined XW_TARGET_X86
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#define CALLBACK_PROLOGUE()
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#define CALLBACK_EPILOGUE()
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2003-11-16 20:23:48 +01:00
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#else
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register void *reg_a4 asm("%a4");
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#define CALLBACK_PROLOGUE() \
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{ void* __save_a4 = reg_a4; asm("move.l %%a5,%%a4; sub.l #edata,%%a4" : :);
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#define CALLBACK_EPILOGUE() reg_a4 = __save_a4;}
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#endif /* MW_COMPILER */
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#endif
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