52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
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//
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// Wasm3, high performance WebAssembly interpreter
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//
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// Extensions
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//
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// Copyright © 2019-2021 Steven Massey, Volodymyr Shymanskyy.
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// All rights reserved.
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//
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#ifndef wasm3_ext_h
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#define wasm3_ext_h
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#include "wasm3.h"
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#include <stdbool.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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//-------------------------------------------------------------------------------------------------------------------------------
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// API extensions
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//-------------------------------------------------------------------------------------------------------------------------------
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/*
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These extensions allow for unconventional uses of Wasm3 -- mainly dynamic modification of modules to inject new Wasm
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functions during runtime.
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*/
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//-------------------------------------------------------------------------------------------------------------------------------
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// Creates an empty module.
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IM3Module m3_NewModule (IM3Environment i_environment);
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// To append a new function, set io_functionIndex to negative. On return, the new function index will be set.
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// To overwrite an existing function, set io_functionIndex to the desired element. i_signature must match the existing
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// function signature.
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// ** InjectFunction invalidates any existing IM3Function pointers
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M3Result m3_InjectFunction (IM3Module i_module,
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int32_t * io_functionIndex,
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const char * const i_signature,
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const uint8_t * const i_wasmBytes, // i_wasmBytes is copied
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bool i_doCompilation);
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IM3Function m3_GetFunctionByIndex (IM3Module i_module,
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uint32_t i_index);
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#if defined(__cplusplus)
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}
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#endif
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#endif // wasm3_h
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