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cc060be1c7
These were for old platforms and not used in recent history. There's no NOASMFNCALL flag as there's no more asm fn call code.
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
#ifndef TOSRET_H
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#define TOSRET_H 1
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/* $Id: tosret.h,v 1.2 1999/01/03 02:06:28 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved */
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/************************************************************************/
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/* */
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/* (C) Copyright 1989, 1990, 1998 Venue. All Rights Reserved. */
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/* Manufactured in the United States of America. */
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/* */
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/************************************************************************/
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/************************************************************************/
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/* */
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/* t o s r e t m a c r o . h */
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/* */
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/* Implements RETURN for the inner evaluation loop. */
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/* */
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/************************************************************************/
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#define OPRETURN { \
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register struct frameex2 *returnFX ; \
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register int alink; \
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FNCHECKER(struct frameex2 *old_bce_fx = (struct frameex2 *) BCE_CURRENTFX); \
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alink = ((struct frameex2 *) BCE_CURRENTFX)->alink; \
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FNTPRINT(("RETURN = 0x%x, ", TOPOFSTACK)); \
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FNTRACER(prindatum(TOPOFSTACK); printf("\n"); fflush(stdout);) \
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if (alink & 1) { EXT; if(slowreturn()) goto stackoverflow_help; RET; \
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Irq_Stk_Check = STK_END_COMPUTE(EndSTKP,FuncObj); \
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if (((UNSIGNED)(CSTKPTR) >= Irq_Stk_Check) || (Irq_Stk_End <= 0)) \
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{ goto check_interrupt; } \
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Irq_Stk_End = (UNSIGNED) EndSTKP; \
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goto retxit; \
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}; \
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CSTKPTRL = (LispPTR *) IVAR; \
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returnFX = (struct frameex2 *) \
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((DLword *) \
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(PVARL = (DLword *) Addr68k_from_StkOffset(alink)) \
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- FRAMESIZE); \
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IVARL = (DLword *) \
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Addr68k_from_StkOffset(GETWORD((DLword *)returnFX -1)); \
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/* Get PC from Returnee's pc slot in FX */ \
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PCMACL = returnFX->pc + (ByteCode *) \
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(FuncObj = (struct fnhead *) \
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Addr68k_from_LADDR(SWAP_FNHEAD(returnFX->fnheader) & POINTERMASK)) + 1;\
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Irq_Stk_Check = STK_END_COMPUTE(EndSTKP,FuncObj); \
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FNCHECKER(if (quick_stack_check()) printf("In RETURN.\n")); \
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if (((UNSIGNED)(CSTKPTR) >= Irq_Stk_Check) || (Irq_Stk_End <= 0)) \
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{ goto check_interrupt; } \
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Irq_Stk_End = (UNSIGNED) EndSTKP; \
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retxit: {} \
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} /* OPRETURN end */
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#endif /* TOSRET_H */
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