60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2011 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_stdio.h"
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#include "rtnhdr.h"
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#include "stack_frame.h"
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#include "mprof.h"
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#include "error.h"
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GBLREF stack_frame *frame_pointer;
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GBLREF unsigned char *stackbase ,*stacktop, *msp, *stackwarn;
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error_def(ERR_STACKCRIT);
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error_def(ERR_STACKOFLOW);
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void copy_stack_frame(void)
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{
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register stack_frame *sf;
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unsigned char *msp_save;
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msp_save = msp;
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sf = (stack_frame *) (msp -= SIZEOF(stack_frame));
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if (msp <= stackwarn)
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{
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if (msp <= stacktop)
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{
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msp = msp_save;
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rts_error(VARLSTCNT(1) ERR_STACKOFLOW);
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} else
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rts_error(VARLSTCNT(1) ERR_STACKCRIT);
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}
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assert(msp < stackbase);
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assert((frame_pointer < frame_pointer->old_frame_pointer) || (NULL == frame_pointer->old_frame_pointer));
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*sf = *frame_pointer;
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sf->old_frame_pointer = frame_pointer;
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sf->flags = 0; /* Don't propagate special flags */
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sf->for_ctrl_stack = NULL;
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frame_pointer = sf;
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DBGEHND((stderr, "copy_stack_frame: Added stackframe at addr 0x"lvaddr" old-msp: 0x"lvaddr" new-msp: 0x"lvaddr"\n",
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sf, msp_save, msp));
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assert((frame_pointer < frame_pointer->old_frame_pointer) || (NULL == frame_pointer->old_frame_pointer));
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}
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void copy_stack_frame_sp(void)
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{
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copy_stack_frame();
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new_prof_frame(TRUE);
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}
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