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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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namespace Wasm::Constants {
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// Value
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static constexpr auto i32_tag = 0x7f;
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static constexpr auto i64_tag = 0x7e;
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static constexpr auto f32_tag = 0x7d;
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static constexpr auto f64_tag = 0x7c;
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static constexpr auto v128_tag = 0x7b;
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static constexpr auto function_reference_tag = 0x70;
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static constexpr auto extern_reference_tag = 0x6f;
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// Function
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static constexpr auto function_signature_tag = 0x60;
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// Global
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static constexpr auto const_tag = 0x00;
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static constexpr auto var_tag = 0x01;
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// Block
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static constexpr auto empty_block_tag = 0x40;
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// Import section
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static constexpr auto extern_function_tag = 0x00;
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static constexpr auto extern_table_tag = 0x01;
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static constexpr auto extern_memory_tag = 0x02;
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static constexpr auto extern_global_tag = 0x03;
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static constexpr auto page_size = 64 * KiB;
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// Implementation-defined limits
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// These are not concretely defined by the spec, so the values are only defined by us.
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static constexpr auto minimum_stack_space_to_keep_free = 256 * KiB; // Note: Value is arbitrary and chosen by testing with ASAN
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static constexpr auto max_allowed_executed_instructions_per_call = 256 * 1024 * 1024;
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static constexpr auto max_allowed_vector_size = 500 * MiB;
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static constexpr auto max_allowed_function_locals_per_type = 42069; // Note: VERY arbitrary.
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}
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