Restructure more to allow tiers.

common/tier2_opcodes.h

@@ -0,0 +1,27 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// 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.
+
+#define TIER2_OPCODE_LIST \
+  X(">flags", TOFLAGS, tos = *TOFLAGS(tos)) \
+  X(">params", TOPARAMS, tos = *TOPARAMS(tos)) \
+  X(">size", TOSIZE, tos = TOSIZE(tos)) \
+  X(">link&", TOLINKAT, tos = (cell_t) TOLINK(tos)) \
+  X(">link", TOLINK, tos = *TOLINK(tos)) \
+  X(">name", TONAME, DUP; *sp = (cell_t) TONAME(tos); tos = *TONAMELEN(tos)) \
+  X(">body", TOBODY, tos = (cell_t) TOBODY(tos)) \
+  Y(aligned, tos = CELL_ALIGNED(tos)) \
+  Y(align, g_sys->heap = (cell_t *) CELL_ALIGNED(g_sys->heap)) \
+  YV(internals, fill32, cell_t c = tos; DROP; cell_t n = tos; DROP; \
+                        uint32_t *a = (uint32_t *) tos; DROP; \
+                        for (;n;--n) *a++ = c)