aboutsummaryrefslogtreecommitdiff
path: root/src/interp/routines/full.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/interp/routines/full.c')
-rw-r--r--src/interp/routines/full.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/interp/routines/full.c b/src/interp/routines/full.c
new file mode 100644
index 0000000..c60432d
--- /dev/null
+++ b/src/interp/routines/full.c
@@ -0,0 +1,48 @@
+/*
+ * nanowasm, a tiny WebAssembly/Wasm interpreter
+ * Copyright (C) 2023-2024 Xavier Del Campo Romero
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include <nw/interp.h>
+#include <nw/io.h>
+#include <nw/log.h>
+#include <nw/opcodes.h>
+#include <nw/ops.h>
+#include <nw/routines.h>
+#include <inttypes.h>
+
+static enum nw_state get_bytecode(struct nw_interp *const i)
+{
+ const struct nw_io_cfg *const cfg = &i->cfg.io;
+ struct nw_i_sm_b *const b = &i->sm.bytecode;
+ const enum nw_state n = nwp_io_read(cfg, &b->io);
+
+ if (n)
+ return n;
+ else if (b->op >= nwp_ops.n)
+ {
+ static const char exc[] = "invalid opcode";
+
+ LOG("%s: %s: %#" PRIx8 "\n", __func__, exc, b->op);
+ i->exception = exc;
+ }
+
+ nwp_ops.ops[b->op](i);
+ return NW_AGAIN;
+}
+
+void nwp_interp_full(struct nw_interp *const i)
+{
+ struct nw_i_sm_b *const b = &i->sm.bytecode;
+
+ i->next = get_bytecode;
+ b->io = (const struct nw_sm_io)
+ {
+ .buf = &b->op,
+ .n = sizeof b->op
+ };
+}