Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 1 | //===----- CGCXXABI.h - Interface to C++ ABIs -------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This provides an abstract class for C++ code generation. Concrete subclasses |
| 11 | // of this implement code generation for specific C++ ABIs. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef CLANG_CODEGEN_CXXABI_H |
| 16 | #define CLANG_CODEGEN_CXXABI_H |
| 17 | |
John McCall | 93d557b | 2010-08-22 00:05:51 +0000 | [diff] [blame] | 18 | namespace llvm { |
| 19 | class Value; |
| 20 | } |
| 21 | |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 22 | namespace clang { |
John McCall | 3023def | 2010-08-22 03:04:22 +0000 | [diff] [blame^] | 23 | class CastExpr; |
John McCall | 93d557b | 2010-08-22 00:05:51 +0000 | [diff] [blame] | 24 | class MemberPointerType; |
| 25 | |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 26 | namespace CodeGen { |
John McCall | 93d557b | 2010-08-22 00:05:51 +0000 | [diff] [blame] | 27 | class CodeGenFunction; |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 28 | class CodeGenModule; |
| 29 | class MangleContext; |
| 30 | |
| 31 | /// Implements C++ ABI-specific code generation functions. |
Charles Davis | 071cc7d | 2010-08-16 03:33:14 +0000 | [diff] [blame] | 32 | class CGCXXABI { |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 33 | public: |
Charles Davis | 071cc7d | 2010-08-16 03:33:14 +0000 | [diff] [blame] | 34 | virtual ~CGCXXABI(); |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 35 | |
| 36 | /// Gets the mangle context. |
| 37 | virtual MangleContext &getMangleContext() = 0; |
John McCall | 93d557b | 2010-08-22 00:05:51 +0000 | [diff] [blame] | 38 | |
| 39 | virtual llvm::Value * |
| 40 | EmitLoadOfMemberFunctionPointer(CodeGenFunction &CGF, |
| 41 | llvm::Value *&This, |
| 42 | llvm::Value *MemPtr, |
| 43 | const MemberPointerType *MPT); |
John McCall | 3023def | 2010-08-22 03:04:22 +0000 | [diff] [blame^] | 44 | |
| 45 | virtual void EmitMemberPointerConversion(CodeGenFunction &CGF, |
| 46 | const CastExpr *E, |
| 47 | llvm::Value *Src, |
| 48 | llvm::Value *Dest, |
| 49 | bool VolatileDest); |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | /// Creates an instance of a C++ ABI class. |
John McCall | ee79a4c | 2010-08-21 22:46:04 +0000 | [diff] [blame] | 53 | CGCXXABI *CreateARMCXXABI(CodeGenModule &CGM); |
Charles Davis | 071cc7d | 2010-08-16 03:33:14 +0000 | [diff] [blame] | 54 | CGCXXABI *CreateItaniumCXXABI(CodeGenModule &CGM); |
| 55 | CGCXXABI *CreateMicrosoftCXXABI(CodeGenModule &CGM); |
John McCall | 93d557b | 2010-08-22 00:05:51 +0000 | [diff] [blame] | 56 | |
Charles Davis | 3a811f1 | 2010-05-25 19:52:27 +0000 | [diff] [blame] | 57 | } |
| 58 | } |
| 59 | |
| 60 | #endif |