h_stack

; Copyright 1996 Acorn Computers Ltd
;
; Licensed under the Apache License, Version 2.0 (the "License");
; you may not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
;     http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
; Copyright (C) Acorn Computers Ltd., 1988
SL_Lib_Offset     *      -540
SL_Client_Offset  *      -536

; Stack chunks
                ^       0
SC_mark         #       4
SC_next         #       4
SC_prev         #       4
SC_size         #       4
SC_deallocate   #       4
SC_LibOffset    #       4
SC_ClientOffset #       4
SC_veneerStaticLink #   4
SC_veneerStkexLink  #   4
SC_DescSize     #       0

SC_SLOffset     *       560
IsAStackChunk   *       &f60690ff

ChunkChange     *       &00000001       ; marker in FP values in stack

RootStackSize   *       4*1024
OldRootStackSize *      16*1024         ; release 3 value
SafeStackSize   *       RootStackSize-SC_SLOffset

; The size of a private stack chunk, used purely for allocating new
; stack chunks (in GetStackChunk).
ExtendStackSize *       150*4 + SC_DescSize

; A stack frame, relative to its fp value
frame_entrypc   *       0
frame_link      *       -4
frame_sp        *       -8
frame_prevfp    *       -12

        END