p scm_smobs[0xff & (((scm_t_bits)$arg0) >> 8)]
end
-define vmstack
+define vmstackinit
set $vmsp=sp
set $vmstack_base=stack_base
set $vmfp=fp
set $vmbp=bp
set $vmframe=0
- while $vmsp > vp->stack_base
- set $orig_vmsp=$vmsp
- while $vmsp > $vmstack_base
- output $orig_vmsp - $vmsp
- sputs "\t"
- output $vmsp
- sputs "\t"
- gwrite *$vmsp
- set $vmsp=$vmsp-1
- end
- newline
- sputs "Frame "
- output $vmframe
- newline
- sputs "ra:\t"
- output $vmsp
- sputs "\t"
- output (SCM*)*$vmsp
- set $vmsp=$vmsp-1
- newline
- sputs "mvra:\t"
- output $vmsp
- sputs "\t"
- output (SCM*)*$vmsp
- set $vmsp=$vmsp-1
- newline
- sputs "dl:\t"
- output $vmsp
+end
+
+define nextframe
+ set $orig_vmsp=$vmsp
+ while $vmsp > $vmstack_base
+ output $orig_vmsp - $vmsp
sputs "\t"
- set $vmdl=(SCM*)(*$vmsp)
- output $vmdl
- newline
- set $vmsp=$vmsp-1
- sputs "hl:\t"
output $vmsp
sputs "\t"
gwrite *$vmsp
set $vmsp=$vmsp-1
- sputs "el:\t"
+ end
+ newline
+ sputs "Frame "
+ output $vmframe
+ newline
+ sputs "ra:\t"
+ output $vmsp
+ sputs "\t"
+ output (SCM*)*$vmsp
+ set $vmsp=$vmsp-1
+ newline
+ sputs "mvra:\t"
+ output $vmsp
+ sputs "\t"
+ output (SCM*)*$vmsp
+ set $vmsp=$vmsp-1
+ newline
+ sputs "dl:\t"
+ output $vmsp
+ sputs "\t"
+ set $vmdl=(SCM*)(*$vmsp)
+ output $vmdl
+ newline
+ set $vmsp=$vmsp-1
+ sputs "hl:\t"
+ output $vmsp
+ sputs "\t"
+ gwrite *$vmsp
+ set $vmsp=$vmsp-1
+ sputs "el:\t"
+ output $vmsp
+ sputs "\t"
+ gwrite *$vmsp
+ set $vmsp=$vmsp-1
+ set $vmnlocs=(int)$vmbp->nlocs
+ while $vmnlocs > 0
+ sputs "loc #"
+ output $vmnlocs
+ sputs ":\t"
output $vmsp
sputs "\t"
gwrite *$vmsp
set $vmsp=$vmsp-1
- set $vmnlocs=(int)$vmbp->nlocs
- while $vmnlocs > 0
- sputs "loc #"
- output $vmnlocs
- sputs ":\t"
- output $vmsp
- sputs "\t"
- gwrite *$vmsp
- set $vmsp=$vmsp-1
- set $vmnlocs=$vmnlocs-1
- end
- set $vmnargs=(int)$vmbp->nargs
- while $vmnargs > 0
- sputs "arg #"
- output $vmnargs
- sputs ":\t"
- output $vmsp
- sputs "\t"
- gwrite *$vmsp
- set $vmsp=$vmsp-1
- set $vmnargs=$vmnargs-1
- end
- sputs "prog:\t"
+ set $vmnlocs=$vmnlocs-1
+ end
+ set $vmnargs=(int)$vmbp->nargs
+ while $vmnargs > 0
+ sputs "arg #"
+ output $vmnargs
+ sputs ":\t"
output $vmsp
sputs "\t"
gwrite *$vmsp
set $vmsp=$vmsp-1
- newline
- if !$vmdl
- loop_break
- end
- set $vmfp=$vmdl
- set $vmbp=(struct scm_program*)(((SCM*)($vmfp[-1]))[1])
- set $vmstack_base=$vmfp+$vmbp->nargs+$vmbp->nlocs+4
- set $vmframe=$vmframe+1
- newline
+ set $vmnargs=$vmnargs-1
+ end
+ sputs "prog:\t"
+ output $vmsp
+ sputs "\t"
+ gwrite *$vmsp
+ set $vmsp=$vmsp-1
+ newline
+ if !$vmdl
+ loop_break
+ end
+ set $vmfp=$vmdl
+ set $vmbp=(struct scm_program*)(((SCM*)($vmfp[-1]))[1])
+ set $vmstack_base=$vmfp+$vmbp->nargs+$vmbp->nlocs+4
+ set $vmframe=$vmframe+1
+ newline
+end
+
+define vmstack
+ vmstackinit
+ while $vmsp > vp->stack_base
+ nextframe
end
end
{
/* At this point, the stack contains the procedure and each one of its
arguments. */
- SCM args;
POP_LIST (nargs);
- POP (args);
SYNC_REGISTER ();
- *sp = scm_apply (x, args, SCM_EOL);
+ /* keep args on stack so they are marked */
+ sp[-1] = scm_apply (x, sp[0], SCM_EOL);
/* FIXME what if SCM_VALUESP(*sp) */
+ DROP ();
NEXT;
}
/*
*/
if (!SCM_FALSEP (scm_procedure_p (x)))
{
- SCM args;
POP_LIST (nargs);
- POP (args);
SYNC_REGISTER ();
- *sp = scm_apply (x, args, SCM_EOL);
+ sp[-1] = scm_apply (x, sp[0], SCM_EOL);
+ DROP ();
/* FIXME what if SCM_VALUESP(*sp) */
goto vm_return;
}
{
/* At this point, the stack contains the procedure and each one of its
arguments. */
- SCM args;
POP_LIST (nargs);
- POP (args);
SYNC_REGISTER ();
- *sp = scm_apply (x, args, SCM_EOL);
+ sp[-1] = scm_apply (x, sp[0], SCM_EOL);
+ DROP ();
if (SCM_VALUESP (*sp))
{
SCM values, len;