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Diffstat (limited to 'src/ARMeilleure/CodeGen/CompiledFunction.cs')
-rw-r--r-- | src/ARMeilleure/CodeGen/CompiledFunction.cs | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/ARMeilleure/CodeGen/CompiledFunction.cs b/src/ARMeilleure/CodeGen/CompiledFunction.cs new file mode 100644 index 00000000..0560bf2e --- /dev/null +++ b/src/ARMeilleure/CodeGen/CompiledFunction.cs @@ -0,0 +1,68 @@ +using ARMeilleure.CodeGen.Linking; +using ARMeilleure.CodeGen.Unwinding; +using ARMeilleure.Translation.Cache; +using System; +using System.Runtime.InteropServices; + +namespace ARMeilleure.CodeGen +{ + /// <summary> + /// Represents a compiled function. + /// </summary> + readonly struct CompiledFunction + { + /// <summary> + /// Gets the machine code of the <see cref="CompiledFunction"/>. + /// </summary> + public byte[] Code { get; } + + /// <summary> + /// Gets the <see cref="Unwinding.UnwindInfo"/> of the <see cref="CompiledFunction"/>. + /// </summary> + public UnwindInfo UnwindInfo { get; } + + /// <summary> + /// Gets the <see cref="Linking.RelocInfo"/> of the <see cref="CompiledFunction"/>. + /// </summary> + public RelocInfo RelocInfo { get; } + + /// <summary> + /// Initializes a new instance of the <see cref="CompiledFunction"/> struct with the specified machine code, + /// unwind info and relocation info. + /// </summary> + /// <param name="code">Machine code</param> + /// <param name="unwindInfo">Unwind info</param> + /// <param name="relocInfo">Relocation info</param> + internal CompiledFunction(byte[] code, UnwindInfo unwindInfo, RelocInfo relocInfo) + { + Code = code; + UnwindInfo = unwindInfo; + RelocInfo = relocInfo; + } + + /// <summary> + /// Maps the <see cref="CompiledFunction"/> onto the <see cref="JitCache"/> and returns a delegate of type + /// <typeparamref name="T"/> pointing to the mapped function. + /// </summary> + /// <typeparam name="T">Type of delegate</typeparam> + /// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns> + public T Map<T>() + { + return MapWithPointer<T>(out _); + } + + /// <summary> + /// Maps the <see cref="CompiledFunction"/> onto the <see cref="JitCache"/> and returns a delegate of type + /// <typeparamref name="T"/> pointing to the mapped function. + /// </summary> + /// <typeparam name="T">Type of delegate</typeparam> + /// <param name="codePointer">Pointer to the function code in memory</param> + /// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns> + public T MapWithPointer<T>(out IntPtr codePointer) + { + codePointer = JitCache.Map(this); + + return Marshal.GetDelegateForFunctionPointer<T>(codePointer); + } + } +}
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