From f25b015e5b668028c34974bbb22faa4105c26690 Mon Sep 17 00:00:00 2001 From: Xavier Del Campo Romero Date: Sun, 26 Nov 2023 22:43:30 +0100 Subject: First commit --- src/op/control_flow/br_table.c | 56 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/op/control_flow/br_table.c (limited to 'src/op/control_flow/br_table.c') diff --git a/src/op/control_flow/br_table.c b/src/op/control_flow/br_table.c new file mode 100644 index 0000000..837cdcd --- /dev/null +++ b/src/op/control_flow/br_table.c @@ -0,0 +1,56 @@ +/* + * 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 +#include +#include +#include +#include +#include + +static int op(struct nw_interp *const i, FILE *const f) +{ + varuint32 target_count, default_target; + + if (varuint32_read(f, &target_count)) + { + LOG("%s: varuint32_read target_count failed\n", __func__); + return -1; + } + + for (varuint32 i = 0; i < target_count; i++) + { + varuint32 target_table; + + if (varuint32_read(f, &target_table)) + { + LOG("%s: varuint32_read target_table failed\n", + __func__); + return -1; + } + } + + if (varuint32_read(f, &default_target)) + { + LOG("%s: varuint32_read default_target failed\n", __func__); + return -1; + } + + return 0; +} + +int op_br_table(struct nw_interp *const i) +{ + return op(i, i->f); +} + +int check_br_table(FILE *const f) +{ + return op(NULL, f); +} -- cgit v1.2.3