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/*
* 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/log.h>
#include <nw/ops.h>
#include <nanowasm/nw.h>
#include <nw/interp.h>
#include <nw/search.h>
#include <nw/sections.h>
#include <nw/types.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
static int call(struct nw_interp *const i, const varuint32 function_index)
{
FILE *const f = i->f;
const struct nw_mod *const m = i->cfg.m;
struct nw_frame fr = {0};
struct search_fn fn;
/* TODO: treat import functions. */
if (search_fn(function_index, m, f, &fn))
{
LOG("%s: search_fn failed\n", __func__);
return -1;
}
else if (section_type_push(f, m, fn.index, &fr))
{
LOG("%s: section_type_push failed\n", __func__);
return -1;
}
else if (section_code_push(i, fn.start))
{
LOG("%s: section_code_push failed\n", __func__);
return -1;
}
return 0;
}
static int op(struct nw_interp *const i, FILE *const f)
{
varuint32 function_index;
if (varuint32_read(f, &function_index))
{
LOG("%s: varuint32_read failed\n", __func__);
return -1;
}
else if (i && call(i, function_index))
{
LOG("%s: call failed\n", __func__);
return -1;
}
return 0;
}
int op_call(struct nw_interp *const i)
{
return op(i, i->f);
}
int check_call(FILE *const f)
{
return op(NULL, f);
}
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