From 6d9d80362f9932bbc87e162b8ef7df06c73e27e1 Mon Sep 17 00:00:00 2001 From: Xavier Del Campo Romero Date: Sat, 7 Sep 2024 00:04:38 +0200 Subject: First commit --- src/op/tee_local.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/op/tee_local.c (limited to 'src/op/tee_local.c') diff --git a/src/op/tee_local.c b/src/op/tee_local.c new file mode 100644 index 0000000..b95603c --- /dev/null +++ b/src/op/tee_local.c @@ -0,0 +1,64 @@ +/* + * nanowasm, a tiny WebAssembly/Wasm interpreter + * Copyright (C) 2023-2025 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 +#include +#include +#include +#include +#include + +static enum nw_state push(struct nw_interp *const i) +{ + struct nw_i_sm_tee_local *const t = &i->sm.tee_local; + const enum nw_state n = nwp_stack_push(i, &t->io); + + if (n) + return n; + + nwp_interp_resume(i); + return NW_AGAIN; +} + +static enum nw_state prepare(struct nw_interp *const i) +{ + struct nw_i_sm_tee_local *const t = &i->sm.tee_local; + struct nw_i_sm_set_local_out o; + size_t sz; + + o = i->sm.set_local.out; + + if (nwp_type_sz(o.type, &sz)) + { + static const char *const exc = "invalid local type"; + + i->exception = exc; +#ifdef NW_LOG + nwp_log("%s: %#x\n", exc, (unsigned)o.type); +#endif + return NW_FATAL; + } + else + { + struct nw_i_sm_tee_local tl = {{0}}; + + tl.in = o; + tl.io.buf = &t->in.value; + tl.io.n = sz; + *t = tl; + i->next = push; + } + + return NW_AGAIN; +} + +void nwp_op_tee_local(struct nw_interp *const i) +{ + nwp_set_local(i, prepare); +} -- cgit v1.2.3