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To enable ABIs which store extra info in the frame, add two new slots to the coroutine allocator function table. For example, a frame could have a header containing a context pointer at a negative offset from the address returned from `swift_coro_alloc_frame`. The frame deallocation function would then know to deallocate more space correspondingly.
29 lines
983 B
C++
29 lines
983 B
C++
//===----- GenCoro.h - Code generation related to coroutines --------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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namespace swift {
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namespace irgen {
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class IRGenModule;
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llvm::Constant *getCoroAllocFn(IRGenModule &IGM);
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llvm::Constant *getCoroAllocFrameFn(IRGenModule &IGM);
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llvm::Constant *getCoroDeallocFn(IRGenModule &IGM);
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llvm::Constant *getCoroDeallocFrameFn(IRGenModule &IGM);
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llvm::Value *
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emitYieldOnce2CoroutineAllocator(IRGenFunction &IGF,
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std::optional<CoroAllocatorKind> kind);
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} // end namespace irgen
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} // end namespace swift
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