48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
//===--- llvm/CodeGen/WasmAddressSpaces.h -----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Address Spaces for WebAssembly Type Handling
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WASMADDRESSSPACES_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WASMADDRESSSPACES_H
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namespace llvm {
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namespace WebAssembly {
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enum WasmAddressSpace : unsigned {
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// Default address space, for pointers to linear memory (stack, heap, data).
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WASM_ADDRESS_SPACE_DEFAULT = 0,
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// A non-integral address space for pointers to named objects outside of
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// linear memory: WebAssembly globals or WebAssembly locals. Loads and stores
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// to these pointers are lowered to global.get / global.set or local.get /
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// local.set, as appropriate.
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WASM_ADDRESS_SPACE_VAR = 1,
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// A non-integral address space for externref values
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WASM_ADDRESS_SPACE_EXTERNREF = 10,
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// A non-integral address space for funcref values
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WASM_ADDRESS_SPACE_FUNCREF = 20,
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};
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inline bool isDefaultAddressSpace(unsigned AS) {
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return AS == WASM_ADDRESS_SPACE_DEFAULT;
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}
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inline bool isWasmVarAddressSpace(unsigned AS) {
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return AS == WASM_ADDRESS_SPACE_VAR;
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}
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inline bool isValidAddressSpace(unsigned AS) {
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return isDefaultAddressSpace(AS) || isWasmVarAddressSpace(AS);
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}
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} // namespace WebAssembly
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WASMADDRESSSPACES_H
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