44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2008 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gtm_string.h"
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#include <rtnhdr.h>
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#include "mv_stent.h"
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GBLREF mv_stent *mv_chain;
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GBLREF unsigned char *stackbase,*stacktop,*msp,*stackwarn;
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/* Function to push a generic C type on to M stack as an MVST_STCK or MVST_STCK_SP type entry:
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* val : Address of an object which needs to be saved on M stack
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* val_size : size of the object to be pushed into the stack (0 if only the
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* pointer to the object is pushed but not its contents).
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* addr : When this entry is unwound,
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* + if an object had been pushed, the contents of the object would be restored in *addr
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* + if a pointer had been pushed, previous value(val) would be restored in *addr.
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*/
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void push_stck(void* val, int val_size, void** addr, int mvst_stck_type)
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{
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error_def(ERR_STACKOFLOW);
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error_def(ERR_STACKCRIT);
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PUSH_MV_STCK(val_size, mvst_stck_type);
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if (0 < val_size)
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{
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assert((MVST_STCK == mvst_stck_type) || (MVST_STCK_SP == mvst_stck_type));
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assert(mvs_size[mvst_stck_type] == mvs_size[MVST_STCK]);
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memcpy(msp + mvs_size[MVST_STCK], val, val_size);
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}
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mv_chain->mv_st_cont.mvs_stck.mvs_stck_val = val;
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mv_chain->mv_st_cont.mvs_stck.mvs_stck_addr = addr;
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mv_chain->mv_st_cont.mvs_stck.mvs_stck_size = val_size;
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}
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