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Diffstat (limited to 'clang-r353983/include/clang/CodeGen/CodeGenABITypes.h')
| -rw-r--r-- | clang-r353983/include/clang/CodeGen/CodeGenABITypes.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/clang-r353983/include/clang/CodeGen/CodeGenABITypes.h b/clang-r353983/include/clang/CodeGen/CodeGenABITypes.h new file mode 100644 index 00000000..febb25aa --- /dev/null +++ b/clang-r353983/include/clang/CodeGen/CodeGenABITypes.h @@ -0,0 +1,89 @@ +//==---- CodeGenABITypes.h - Convert Clang types to LLVM types for ABI -----==// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// CodeGenABITypes is a simple interface for getting LLVM types for +// the parameters and the return value of a function given the Clang +// types. +// +// The class is implemented as a public wrapper around the private +// CodeGenTypes class in lib/CodeGen. +// +// It allows other clients, like LLDB, to determine the LLVM types that are +// actually used in function calls, which makes it possible to then determine +// the actual ABI locations (e.g. registers, stack locations, etc.) that +// these parameters are stored in. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_CODEGEN_CODEGENABITYPES_H +#define LLVM_CLANG_CODEGEN_CODEGENABITYPES_H + +#include "clang/AST/CanonicalType.h" +#include "clang/AST/Type.h" +#include "clang/CodeGen/CGFunctionInfo.h" + +namespace llvm { + class DataLayout; + class Module; + class FunctionType; + class Type; +} + +namespace clang { +class ASTContext; +class CXXRecordDecl; +class CXXMethodDecl; +class CodeGenOptions; +class CoverageSourceInfo; +class DiagnosticsEngine; +class HeaderSearchOptions; +class ObjCMethodDecl; +class PreprocessorOptions; + +namespace CodeGen { +class CGFunctionInfo; +class CodeGenModule; + +const CGFunctionInfo &arrangeObjCMessageSendSignature(CodeGenModule &CGM, + const ObjCMethodDecl *MD, + QualType receiverType); + +const CGFunctionInfo &arrangeFreeFunctionType(CodeGenModule &CGM, + CanQual<FunctionProtoType> Ty); + +const CGFunctionInfo &arrangeFreeFunctionType(CodeGenModule &CGM, + CanQual<FunctionNoProtoType> Ty); + +const CGFunctionInfo &arrangeCXXMethodType(CodeGenModule &CGM, + const CXXRecordDecl *RD, + const FunctionProtoType *FTP, + const CXXMethodDecl *MD); + +const CGFunctionInfo &arrangeFreeFunctionCall(CodeGenModule &CGM, + CanQualType returnType, + ArrayRef<CanQualType> argTypes, + FunctionType::ExtInfo info, + RequiredArgs args); + +/// Returns null if the function type is incomplete and can't be lowered. +llvm::FunctionType *convertFreeFunctionType(CodeGenModule &CGM, + const FunctionDecl *FD); + +llvm::Type *convertTypeForMemory(CodeGenModule &CGM, QualType T); + +/// Given a non-bitfield struct field, return its index within the elements of +/// the struct's converted type. The returned index refers to a field number in +/// the complete object type which is returned by convertTypeForMemory. FD must +/// be a field in RD directly (i.e. not an inherited field). +unsigned getLLVMFieldNumber(CodeGenModule &CGM, + const RecordDecl *RD, const FieldDecl *FD); + +} // end namespace CodeGen +} // end namespace clang + +#endif |
