forked from AbleOS/ableos
51 lines
1008 B
Rust
51 lines
1008 B
Rust
use alloc::vec::Vec;
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/// `NULL a s m` as an array of 4 bytes
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pub const WASM_BINARY_MAGIC: [u8; 4] = [0x00, 0x61, 0x73, 0x6d];
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/// `1 0 0 0` as an array of 4 bytes
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pub const WASM_VERSION: [u8; 4] = [0x01, 0x00, 0x00, 0x00];
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/// Validate a wasm header (8 bytes)
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pub enum SectionType {
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None = 0,
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Type = 1,
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}
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pub struct Section {
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stype: SectionType,
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section_size: u8,
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}
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pub struct WasmProgram {
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raw_bytes: Vec<u8>,
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// version:
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}
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impl WasmProgram {
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pub fn new_from_bytes(bytes: &[u8]) -> Self {
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Self {
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raw_bytes: bytes.to_vec(),
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}
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}
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pub fn validate_header(self) -> (bool, bool) {
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let mut byte_magic_valid = false;
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let mut byte_version_valid = false;
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if self.raw_bytes[0..4] == WASM_BINARY_MAGIC {
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byte_magic_valid = true;
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}
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if self.raw_bytes[4..8] == WASM_VERSION {
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byte_version_valid = true;
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}
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return (byte_magic_valid, byte_version_valid);
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}
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}
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