CGCXXABI.h revision 9063302a82423cb83f002257a416741850739a70
13a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis//===----- CGCXXABI.h - Interface to C++ ABIs -------------------*- C++ -*-===// 23a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// 33a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// The LLVM Compiler Infrastructure 43a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// 53a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// This file is distributed under the University of Illinois Open Source 63a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// License. See LICENSE.TXT for details. 73a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// 83a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis//===----------------------------------------------------------------------===// 93a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// 103a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// This provides an abstract class for C++ code generation. Concrete subclasses 113a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// of this implement code generation for specific C++ ABIs. 123a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis// 133a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis//===----------------------------------------------------------------------===// 143a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis 153a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis#ifndef CLANG_CODEGEN_CXXABI_H 163a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis#define CLANG_CODEGEN_CXXABI_H 173a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis 184c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall#include "CodeGenFunction.h" 1955fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Basic/LLVM.h" 204c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 2193d557bc1867b7d7b102f87290194b4be7932c92John McCallnamespace llvm { 22cf2c85e76fdafe7e634810a292321a6c8322483dJohn McCall class Constant; 230bab0cdab751248ca389a5592bcb70eac5d39260John McCall class Type; 2493d557bc1867b7d7b102f87290194b4be7932c92John McCall class Value; 2593d557bc1867b7d7b102f87290194b4be7932c92John McCall} 2693d557bc1867b7d7b102f87290194b4be7932c92John McCall 273a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davisnamespace clang { 283023def6bea3af6dbb51eea51f8cb8ea892d26cfJohn McCall class CastExpr; 294c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall class CXXConstructorDecl; 304c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall class CXXDestructorDecl; 31875ab10245d3bf37252dd822aa1616bb0a391095John McCall class CXXMethodDecl; 32cf2c85e76fdafe7e634810a292321a6c8322483dJohn McCall class CXXRecordDecl; 330bab0cdab751248ca389a5592bcb70eac5d39260John McCall class FieldDecl; 3414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne class MangleContext; 3593d557bc1867b7d7b102f87290194b4be7932c92John McCall 363a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davisnamespace CodeGen { 3793d557bc1867b7d7b102f87290194b4be7932c92John McCall class CodeGenFunction; 383a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis class CodeGenModule; 393a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis 403b2adf237ab033173d7789ec1214d654eec17697James Dennett/// \brief Implements C++ ABI-specific code generation functions. 41071cc7deffad608165b1ddd5263e8bf181861520Charles Davisclass CGCXXABI { 42d608cdb7c044365cf4e8764ade1e11e99c176078John McCallprotected: 43d608cdb7c044365cf4e8764ade1e11e99c176078John McCall CodeGenModule &CGM; 446f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<MangleContext> MangleCtx; 45d608cdb7c044365cf4e8764ade1e11e99c176078John McCall 4614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CGCXXABI(CodeGenModule &CGM) 4714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne : CGM(CGM), MangleCtx(CGM.getContext().createMangleContext()) {} 48d608cdb7c044365cf4e8764ade1e11e99c176078John McCall 494c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCallprotected: 504c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall ImplicitParamDecl *&getThisDecl(CodeGenFunction &CGF) { 51cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman return CGF.CXXABIThisDecl; 524c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall } 534c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall llvm::Value *&getThisValue(CodeGenFunction &CGF) { 54cec5ebd4a6a89a7023d04cec728fd340b541ed61Eli Friedman return CGF.CXXABIThisValue; 554c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall } 564c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 57a8a0f769ff4113a7f98c232fb0fc773a65371559Reid Kleckner /// Issue a diagnostic about unsupported features in the ABI. 58a8a0f769ff4113a7f98c232fb0fc773a65371559Reid Kleckner void ErrorUnsupportedABI(CodeGenFunction &CGF, StringRef S); 59a8a0f769ff4113a7f98c232fb0fc773a65371559Reid Kleckner 60a8a0f769ff4113a7f98c232fb0fc773a65371559Reid Kleckner /// Get a null value for unsupported member pointers. 61a8a0f769ff4113a7f98c232fb0fc773a65371559Reid Kleckner llvm::Constant *GetBogusMemberPointer(QualType T); 62a8a0f769ff4113a7f98c232fb0fc773a65371559Reid Kleckner 6359660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov // FIXME: Every place that calls getVTT{Decl,Value} is something 6459660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov // that needs to be abstracted properly. 654c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall ImplicitParamDecl *&getVTTDecl(CodeGenFunction &CGF) { 6659660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov return CGF.CXXStructorImplicitParamDecl; 674c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall } 684c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall llvm::Value *&getVTTValue(CodeGenFunction &CGF) { 6959660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov return CGF.CXXStructorImplicitParamValue; 7059660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov } 7159660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov 7259660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov ImplicitParamDecl *&getStructorImplicitParamDecl(CodeGenFunction &CGF) { 7359660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov return CGF.CXXStructorImplicitParamDecl; 7459660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov } 7559660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov llvm::Value *&getStructorImplicitParamValue(CodeGenFunction &CGF) { 7659660c21178b6af518bd4b564e032d5c9cc218cbTimur Iskhodzhanov return CGF.CXXStructorImplicitParamValue; 774c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall } 784c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 794c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// Build a parameter variable suitable for 'this'. 804c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall void BuildThisParam(CodeGenFunction &CGF, FunctionArgList &Params); 814c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 824c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// Perform prolog initialization of the parameter variable suitable 834c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// for 'this' emitted by BuildThisParam. 844c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall void EmitThisParam(CodeGenFunction &CGF); 854c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 861e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall ASTContext &getContext() const { return CGM.getContext(); } 871e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall 88e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall virtual bool requiresArrayCookie(const CXXDeleteExpr *E, QualType eltType); 89e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall virtual bool requiresArrayCookie(const CXXNewExpr *E); 90e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall 913a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davispublic: 92d608cdb7c044365cf4e8764ade1e11e99c176078John McCall 931af610f8533b8b4a7b0b176aa8082f5b6dde904cAnders Carlsson virtual ~CGCXXABI(); 943a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis 953a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis /// Gets the mangle context. 9614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne MangleContext &getMangleContext() { 9714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return *MangleCtx; 9814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 9993d557bc1867b7d7b102f87290194b4be7932c92John McCall 100d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// Returns true if the given constructor or destructor is one of the 101d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// kinds that the ABI says returns 'this' (only applies when called 102d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// non-virtually for destructors). 103d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// 104d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// There currently is no way to indicate if a destructor returns 'this' 105d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// when called virtually, and code generation does not support the case. 10663fd408a61ae9b94e8d8a986832f526f7cdbfa84Manman Ren virtual bool HasThisReturn(GlobalDecl GD) const { return false; } 10763fd408a61ae9b94e8d8a986832f526f7cdbfa84Manman Ren 108ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// Returns true if the given record type should be returned indirectly. 109ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov virtual bool isReturnTypeIndirect(const CXXRecordDecl *RD) const = 0; 110ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov 111ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// Specify how one should pass an argument of a record type. 112ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov enum RecordArgABI { 113ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// Pass it using the normal C aggregate rules for the ABI, potentially 114ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// introducing extra copies and passing some or all of it in registers. 115ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov RAA_Default = 0, 116ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov 117ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// Pass it on the stack using its defined layout. The argument must be 118ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// evaluated directly into the correct stack position in the arguments area, 119ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// and the call machinery must not move it or introduce extra copies. 120ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov RAA_DirectInMemory, 121ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov 122ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// Pass it as a pointer to temporary memory. 123ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov RAA_Indirect 124ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov }; 125ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov 126ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov /// Returns how an argument of the given record type should be passed. 127ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov virtual RecordArgABI getRecordArgABI(const CXXRecordDecl *RD) const = 0; 128ed23bdf69dd63e4fd01c02b12a13d1e6cbff9c2fTimur Iskhodzhanov 1290bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Find the LLVM type used to represent the given member pointer 1300bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// type. 1319cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner virtual llvm::Type * 1320bab0cdab751248ca389a5592bcb70eac5d39260John McCall ConvertMemberPointerType(const MemberPointerType *MPT); 1330bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1340bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Load a member function from an object and a member function 1350bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// pointer. Apply the this-adjustment and set 'This' to the 1360bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// adjusted value. 13793d557bc1867b7d7b102f87290194b4be7932c92John McCall virtual llvm::Value * 13893d557bc1867b7d7b102f87290194b4be7932c92John McCall EmitLoadOfMemberFunctionPointer(CodeGenFunction &CGF, 13993d557bc1867b7d7b102f87290194b4be7932c92John McCall llvm::Value *&This, 14093d557bc1867b7d7b102f87290194b4be7932c92John McCall llvm::Value *MemPtr, 14193d557bc1867b7d7b102f87290194b4be7932c92John McCall const MemberPointerType *MPT); 1423023def6bea3af6dbb51eea51f8cb8ea892d26cfJohn McCall 1436c2ab1d578c6cc1f3ddcc948532cd625f1092ef2John McCall /// Calculate an l-value from an object and a data member pointer. 1446c2ab1d578c6cc1f3ddcc948532cd625f1092ef2John McCall virtual llvm::Value *EmitMemberDataPointerAddress(CodeGenFunction &CGF, 1456c2ab1d578c6cc1f3ddcc948532cd625f1092ef2John McCall llvm::Value *Base, 1466c2ab1d578c6cc1f3ddcc948532cd625f1092ef2John McCall llvm::Value *MemPtr, 1476c2ab1d578c6cc1f3ddcc948532cd625f1092ef2John McCall const MemberPointerType *MPT); 1486c2ab1d578c6cc1f3ddcc948532cd625f1092ef2John McCall 1494d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// Perform a derived-to-base, base-to-derived, or bitcast member 1504d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// pointer conversion. 1510bab0cdab751248ca389a5592bcb70eac5d39260John McCall virtual llvm::Value *EmitMemberPointerConversion(CodeGenFunction &CGF, 1520bab0cdab751248ca389a5592bcb70eac5d39260John McCall const CastExpr *E, 1530bab0cdab751248ca389a5592bcb70eac5d39260John McCall llvm::Value *Src); 154d608cdb7c044365cf4e8764ade1e11e99c176078John McCall 1554d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// Perform a derived-to-base, base-to-derived, or bitcast member 1564d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// pointer conversion on a constant value. 1574d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall virtual llvm::Constant *EmitMemberPointerConversion(const CastExpr *E, 1584d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall llvm::Constant *Src); 1594d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall 1600bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Return true if the given member pointer can be zero-initialized 1610bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// (in the C++ sense) with an LLVM zeroinitializer. 162f16aa103d3afd42fbca2ab346f191bf745cec092John McCall virtual bool isZeroInitializable(const MemberPointerType *MPT); 163cf2c85e76fdafe7e634810a292321a6c8322483dJohn McCall 1640bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Create a null member pointer of the given type. 1650bab0cdab751248ca389a5592bcb70eac5d39260John McCall virtual llvm::Constant *EmitNullMemberPointer(const MemberPointerType *MPT); 166cf2c85e76fdafe7e634810a292321a6c8322483dJohn McCall 1670bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Create a member pointer for the given method. 168755d8497e39071aa24acc173ff07083e3256b8f8John McCall virtual llvm::Constant *EmitMemberPointer(const CXXMethodDecl *MD); 169875ab10245d3bf37252dd822aa1616bb0a391095John McCall 1700bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Create a member pointer for the given field. 1715808ce43f8d7e71f5acacc9ca320268c4f37565aJohn McCall virtual llvm::Constant *EmitMemberDataPointer(const MemberPointerType *MPT, 1725808ce43f8d7e71f5acacc9ca320268c4f37565aJohn McCall CharUnits offset); 173e9fd7eb6c67676dc27e84eac429aec4f3be51f26John McCall 1742d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith /// Create a member pointer for the given member pointer constant. 1752d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith virtual llvm::Constant *EmitMemberPointer(const APValue &MP, QualType MPT); 1762d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1770bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Emit a comparison between two member pointers. Returns an i1. 178e9fd7eb6c67676dc27e84eac429aec4f3be51f26John McCall virtual llvm::Value * 1790bab0cdab751248ca389a5592bcb70eac5d39260John McCall EmitMemberPointerComparison(CodeGenFunction &CGF, 1800bab0cdab751248ca389a5592bcb70eac5d39260John McCall llvm::Value *L, 1810bab0cdab751248ca389a5592bcb70eac5d39260John McCall llvm::Value *R, 1820bab0cdab751248ca389a5592bcb70eac5d39260John McCall const MemberPointerType *MPT, 1830bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool Inequality); 184e9fd7eb6c67676dc27e84eac429aec4f3be51f26John McCall 1850bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Determine if a member pointer is non-null. Returns an i1. 186e9fd7eb6c67676dc27e84eac429aec4f3be51f26John McCall virtual llvm::Value * 1870bab0cdab751248ca389a5592bcb70eac5d39260John McCall EmitMemberPointerIsNotNull(CodeGenFunction &CGF, 1880bab0cdab751248ca389a5592bcb70eac5d39260John McCall llvm::Value *MemPtr, 1890bab0cdab751248ca389a5592bcb70eac5d39260John McCall const MemberPointerType *MPT); 1904c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 1914d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCallprotected: 1924d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// A utility method for computing the offset required for the given 1934d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// base-to-derived or derived-to-base member-pointer conversion. 1944d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// Does not handle virtual conversions (in case we ever fully 1954d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// support an ABI that allows this). Returns null if no adjustment 1964d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall /// is required. 1974d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall llvm::Constant *getMemberPointerAdjustment(const CastExpr *E); 1984d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall 199f632730ffb0b8ca531a35e737b29cc9f9774ca1dReid Kleckner /// \brief Computes the non-virtual adjustment needed for a member pointer 200f632730ffb0b8ca531a35e737b29cc9f9774ca1dReid Kleckner /// conversion along an inheritance path stored in an APValue. Unlike 201f632730ffb0b8ca531a35e737b29cc9f9774ca1dReid Kleckner /// getMemberPointerAdjustment(), the adjustment can be negative if the path 202f632730ffb0b8ca531a35e737b29cc9f9774ca1dReid Kleckner /// is from a derived type to a base type. 203f632730ffb0b8ca531a35e737b29cc9f9774ca1dReid Kleckner CharUnits getMemberPointerPathAdjustment(const APValue &MP); 204f632730ffb0b8ca531a35e737b29cc9f9774ca1dReid Kleckner 2054d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCallpublic: 206ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall /// Adjust the given non-null pointer to an object of polymorphic 207ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall /// type to point to the complete object. 208ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall /// 209ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall /// The IR type of the result should be a pointer but is otherwise 210ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall /// irrelevant. 211ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall virtual llvm::Value *adjustToCompleteObject(CodeGenFunction &CGF, 212ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall llvm::Value *ptr, 213ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall QualType type) = 0; 214ecd03b447bb0e2ed1954c77441d49a4a17ca8138John McCall 215b0f533e716ae5a21ca5682ea235a68082fd5ed28Reid Kleckner virtual llvm::Value *GetVirtualBaseClassOffset(CodeGenFunction &CGF, 216b0f533e716ae5a21ca5682ea235a68082fd5ed28Reid Kleckner llvm::Value *This, 217b0f533e716ae5a21ca5682ea235a68082fd5ed28Reid Kleckner const CXXRecordDecl *ClassDecl, 218b0f533e716ae5a21ca5682ea235a68082fd5ed28Reid Kleckner const CXXRecordDecl *BaseClassDecl) = 0; 219b0f533e716ae5a21ca5682ea235a68082fd5ed28Reid Kleckner 2204c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// Build the signature of the given constructor variant by adding 221d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// any required parameters. For convenience, ArgTys has been initialized 222d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// with the type of 'this' and ResTy has been initialized with the type of 223d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// 'this' if HasThisReturn(GlobalDecl(Ctor, T)) is true or 'void' otherwise 224d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// (although both may be changed by the ABI). 2254c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// 2264c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// If there are ever any ABIs where the implicit parameters are 2274c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// intermixed with the formal parameters, we can address those 2284c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// then. 2294c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall virtual void BuildConstructorSignature(const CXXConstructorDecl *Ctor, 2304c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall CXXCtorType T, 2314c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall CanQualType &ResTy, 232686775deca8b8685eb90801495880e3abdd844c2Chris Lattner SmallVectorImpl<CanQualType> &ArgTys) = 0; 2334c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 2349063302a82423cb83f002257a416741850739a70Reid Kleckner virtual llvm::BasicBlock *EmitCtorCompleteObjectHandler(CodeGenFunction &CGF, 2359063302a82423cb83f002257a416741850739a70Reid Kleckner const CXXRecordDecl *RD); 2361d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov 2374c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// Build the signature of the given destructor variant by adding 238d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// any required parameters. For convenience, ArgTys has been initialized 239d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// with the type of 'this' and ResTy has been initialized with the type of 240d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// 'this' if HasThisReturn(GlobalDecl(Dtor, T)) is true or 'void' otherwise 241d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// (although both may be changed by the ABI). 2424c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall virtual void BuildDestructorSignature(const CXXDestructorDecl *Dtor, 2434c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall CXXDtorType T, 2444c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall CanQualType &ResTy, 245686775deca8b8685eb90801495880e3abdd844c2Chris Lattner SmallVectorImpl<CanQualType> &ArgTys) = 0; 2464c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 2474c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// Build the ABI-specific portion of the parameter list for a 2484c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// function. This generally involves a 'this' parameter and 2494c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// possibly some extra data for constructors and destructors. 2504c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// 2514c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// ABIs may also choose to override the return type, which has been 252d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// initialized with the type of 'this' if HasThisReturn(CGF.CurGD) is true or 253d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin /// the formal return type of the function otherwise. 2544c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall virtual void BuildInstanceFunctionParams(CodeGenFunction &CGF, 2554c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall QualType &ResTy, 2564c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall FunctionArgList &Params) = 0; 2574c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 2584c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall /// Emit the ABI-specific prolog for the function. 2594c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall virtual void EmitInstanceFunctionProlog(CodeGenFunction &CGF) = 0; 2604c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall 26163fd408a61ae9b94e8d8a986832f526f7cdbfa84Manman Ren /// Emit the constructor call. Return the function that is called. 262d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin virtual RValue EmitConstructorCall(CodeGenFunction &CGF, 263d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin const CXXConstructorDecl *D, 264d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin CXXCtorType Type, 265d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin bool ForVirtualBase, bool Delegating, 266d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin ReturnValueSlot ReturnValue, 267d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin llvm::Value *This, 268d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin CallExpr::const_arg_iterator ArgBeg, 269d4c0cd07641681de6ed12164aa7a4495ab4b18e5Stephen Lin CallExpr::const_arg_iterator ArgEnd) = 0; 2701d4fff5551c2347010b955b4337a2aa7d65a050eTimur Iskhodzhanov 2710f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov /// Emit the ABI-specific virtual destructor call. 2720f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov virtual RValue EmitVirtualDestructorCall(CodeGenFunction &CGF, 2730f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov const CXXDestructorDecl *Dtor, 2740f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov CXXDtorType DtorType, 2750f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov SourceLocation CallLoc, 2760f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov ReturnValueSlot ReturnValue, 2770f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov llvm::Value *This) = 0; 2780f9827f5d6248d7008063768eb5f2c3e6ba83e94Timur Iskhodzhanov 2799063302a82423cb83f002257a416741850739a70Reid Kleckner /// Emit any tables needed to implement virtual inheritance. For Itanium, 2809063302a82423cb83f002257a416741850739a70Reid Kleckner /// this emits virtual table tables. For the MSVC++ ABI, this emits virtual 2819063302a82423cb83f002257a416741850739a70Reid Kleckner /// base tables. 2829063302a82423cb83f002257a416741850739a70Reid Kleckner virtual void 2839063302a82423cb83f002257a416741850739a70Reid Kleckner EmitVirtualInheritanceTables(llvm::GlobalVariable::LinkageTypes Linkage, 2849063302a82423cb83f002257a416741850739a70Reid Kleckner const CXXRecordDecl *RD) = 0; 2859063302a82423cb83f002257a416741850739a70Reid Kleckner 2864c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall virtual void EmitReturnFromThunk(CodeGenFunction &CGF, 2874c40d98ab7acf5f27fa89b17bd8fc0ef7683df37John McCall RValue RV, QualType ResultType); 2881e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall 289285baac67d722beb6854f5faa45ee1aa62a7ce92Joao Matos /// Gets the pure virtual member call function. 290285baac67d722beb6854f5faa45ee1aa62a7ce92Joao Matos virtual StringRef GetPureVirtualCallName() = 0; 291285baac67d722beb6854f5faa45ee1aa62a7ce92Joao Matos 2922eb9a959d24ad757a82ecab61f343635ad67749aDavid Blaikie /// Gets the deleted virtual member call name. 2932eb9a959d24ad757a82ecab61f343635ad67749aDavid Blaikie virtual StringRef GetDeletedVirtualCallName() = 0; 2942eb9a959d24ad757a82ecab61f343635ad67749aDavid Blaikie 2951e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /**************************** Array cookies ******************************/ 2961e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall 2971e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// Returns the extra size required in order to store the array 29816ae9de07730832945204877d752db7f1c070962James Dennett /// cookie for the given new-expression. May return 0 to indicate that no 2991e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// array cookie is required. 3001e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// 3011e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// Several cases are filtered out before this method is called: 3021e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// - non-array allocations never need a cookie 3035900103d6606edef5fc81bbac685fa3651f1b936James Dennett /// - calls to \::operator new(size_t, void*) never need a cookie 3041e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// 30516ae9de07730832945204877d752db7f1c070962James Dennett /// \param expr - the new-expression being allocated. 3066ec278d1a354517e20f13a877481453ee7940c78John McCall virtual CharUnits GetArrayCookieSize(const CXXNewExpr *expr); 3071e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall 3081e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// Initialize the array cookie for the given allocation. 3091e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// 3101e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param NewPtr - a char* which is the presumed-non-null 3111e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// return value of the allocation function 3121e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param NumElements - the computed number of elements, 313e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// potentially collapsed from the multidimensional array case; 314e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// always a size_t 3151e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param ElementType - the base element allocated type, 3161e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// i.e. the allocated type after stripping all array types 3171e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall virtual llvm::Value *InitializeArrayCookie(CodeGenFunction &CGF, 3181e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall llvm::Value *NewPtr, 3191e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall llvm::Value *NumElements, 3206ec278d1a354517e20f13a877481453ee7940c78John McCall const CXXNewExpr *expr, 3211e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall QualType ElementType); 3221e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall 3231e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// Reads the array cookie associated with the given pointer, 3241e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// if it has one. 3251e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// 3261e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param Ptr - a pointer to the first element in the array 3271e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param ElementType - the base element type of elements of the array 3281e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param NumElements - an out parameter which will be initialized 3291e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// with the number of elements allocated, or zero if there is no 3301e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// cookie 3311e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param AllocPtr - an out parameter which will be initialized 3321e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// with a char* pointing to the address returned by the allocation 3331e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// function 3341e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// \param CookieSize - an out parameter which will be initialized 3351e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall /// with the size of the cookie, or zero if there is no cookie 3361e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall virtual void ReadArrayCookie(CodeGenFunction &CGF, llvm::Value *Ptr, 3376ec278d1a354517e20f13a877481453ee7940c78John McCall const CXXDeleteExpr *expr, 3381e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall QualType ElementType, llvm::Value *&NumElements, 3391e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall llvm::Value *&AllocPtr, CharUnits &CookieSize); 3401e7fe751466ea82665fd21e9162fd7cc9c5f412dJohn McCall 341e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCallprotected: 342e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// Returns the extra size required in order to store the array 343e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// cookie for the given type. Assumes that an array cookie is 344e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// required. 345e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall virtual CharUnits getArrayCookieSizeImpl(QualType elementType); 346e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall 347e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// Reads the array cookie for an allocation which is known to have one. 348e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// This is called by the standard implementation of ReadArrayCookie. 349e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// 350e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// \param ptr - a pointer to the allocation made for an array, as a char* 351e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// \param cookieSize - the computed cookie size of an array 3523b2adf237ab033173d7789ec1214d654eec17697James Dennett /// 353e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// Other parameters are as above. 3543b2adf237ab033173d7789ec1214d654eec17697James Dennett /// 355e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall /// \return a size_t 356e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall virtual llvm::Value *readArrayCookieImpl(CodeGenFunction &IGF, 357e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall llvm::Value *ptr, 358e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall CharUnits cookieSize); 359e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall 360e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCallpublic: 361e2b45e2a43ae46bc00026b63ba7c04ef2b78c3ffJohn McCall 3625cd91b513455fd7753e8815b54f0a49bbca6602dJohn McCall /*************************** Static local guards ****************************/ 3635cd91b513455fd7753e8815b54f0a49bbca6602dJohn McCall 3643030eb82593097502469a8b3fc26112c79c75605John McCall /// Emits the guarded initializer and destructor setup for the given 3653030eb82593097502469a8b3fc26112c79c75605John McCall /// variable, given that it couldn't be emitted as a constant. 3667ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith /// If \p PerformInit is false, the initialization has been folded to a 3677ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith /// constant and should not be performed. 3683030eb82593097502469a8b3fc26112c79c75605John McCall /// 3693030eb82593097502469a8b3fc26112c79c75605John McCall /// The variable may be: 3703030eb82593097502469a8b3fc26112c79c75605John McCall /// - a static local variable 3713030eb82593097502469a8b3fc26112c79c75605John McCall /// - a static data member of a class template instantiation 3723030eb82593097502469a8b3fc26112c79c75605John McCall virtual void EmitGuardedInit(CodeGenFunction &CGF, const VarDecl &D, 3730f30a12ce7b3d4d86c9ca9072f587da77c8eef34Chandler Carruth llvm::GlobalVariable *DeclPtr, bool PerformInit); 3745cd91b513455fd7753e8815b54f0a49bbca6602dJohn McCall 37520bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// Emit code to force the execution of a destructor during global 37620bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// teardown. The default implementation of this uses atexit. 37720bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// 37820bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// \param dtor - a function taking a single pointer argument 37920bb175cb8ae5844034828db094fb948c0e3454aJohn McCall /// \param addr - a pointer to pass to the destructor function. 38004e517650569598e847c2ab609672e6df93effe5Richard Smith virtual void registerGlobalDtor(CodeGenFunction &CGF, const VarDecl &D, 38104e517650569598e847c2ab609672e6df93effe5Richard Smith llvm::Constant *dtor, llvm::Constant *addr); 382b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith 383b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /*************************** thread_local initialization ********************/ 384b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith 385b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// Emits ABI-required functions necessary to initialize thread_local 386b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// variables in this translation unit. 387b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// 388b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// \param Decls The thread_local declarations in this translation unit. 389b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// \param InitFunc If this translation unit contains any non-constant 390b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// initialization or non-trivial destruction for thread_local 391b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// variables, a function to perform the initialization. Otherwise, 0. 392b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith virtual void EmitThreadLocalInitFuncs( 393b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith llvm::ArrayRef<std::pair<const VarDecl *, llvm::GlobalVariable *> > Decls, 394b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith llvm::Function *InitFunc); 395b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith 396b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// Emit a reference to a non-local thread_local variable (including 397b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// triggering the initialization of all thread_local variables in its 398b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith /// translation unit). 399b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith virtual LValue EmitThreadLocalDeclRefExpr(CodeGenFunction &CGF, 400b80a16eadd0dacabfc1c32412e243ccb99dd664dRichard Smith const DeclRefExpr *DRE); 4013a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis}; 4023a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis 40396fcde0b8ed8bdf99d326312ca7be6447b0fe5fcJohn McCall// Create an instance of a C++ ABI class: 40496fcde0b8ed8bdf99d326312ca7be6447b0fe5fcJohn McCall 40596fcde0b8ed8bdf99d326312ca7be6447b0fe5fcJohn McCall/// Creates an Itanium-family ABI. 406071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCGCXXABI *CreateItaniumCXXABI(CodeGenModule &CGM); 40796fcde0b8ed8bdf99d326312ca7be6447b0fe5fcJohn McCall 40896fcde0b8ed8bdf99d326312ca7be6447b0fe5fcJohn McCall/// Creates a Microsoft-family ABI. 409071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCGCXXABI *CreateMicrosoftCXXABI(CodeGenModule &CGM); 41093d557bc1867b7d7b102f87290194b4be7932c92John McCall 4113a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis} 4123a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis} 4133a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis 4143a811f1f4286ee3fd0c563c1cfe623956f3caa24Charles Davis#endif 415