target.h revision 1.1
1 1.1 mrg 2 1.1 mrg /* Compiler implementation of the D programming language 3 1.1 mrg * Copyright (C) 2013-2019 by The D Language Foundation, All Rights Reserved 4 1.1 mrg * written by Iain Buclaw 5 1.1 mrg * http://www.digitalmars.com 6 1.1 mrg * Distributed under the Boost Software License, Version 1.0. 7 1.1 mrg * http://www.boost.org/LICENSE_1_0.txt 8 1.1 mrg * https://github.com/dlang/dmd/blob/master/src/dmd/target.h 9 1.1 mrg */ 10 1.1 mrg 11 1.1 mrg #pragma once 12 1.1 mrg 13 1.1 mrg // This file contains a data structure that describes a back-end target. 14 1.1 mrg // At present it is incomplete, but in future it should grow to contain 15 1.1 mrg // most or all target machine and target O/S specific information. 16 1.1 mrg #include "globals.h" 17 1.1 mrg #include "tokens.h" 18 1.1 mrg 19 1.1 mrg class ClassDeclaration; 20 1.1 mrg class Dsymbol; 21 1.1 mrg class Expression; 22 1.1 mrg class Parameter; 23 1.1 mrg class Type; 24 1.1 mrg struct OutBuffer; 25 1.1 mrg 26 1.1 mrg struct Target 27 1.1 mrg { 28 1.1 mrg static int ptrsize; 29 1.1 mrg static int realsize; // size a real consumes in memory 30 1.1 mrg static int realpad; // 'padding' added to the CPU real size to bring it up to realsize 31 1.1 mrg static int realalignsize; // alignment for reals 32 1.1 mrg static bool reverseCppOverloads; // with dmc and cl, overloaded functions are grouped and in reverse order 33 1.1 mrg static bool cppExceptions; // set if catching C++ exceptions is supported 34 1.1 mrg static int c_longsize; // size of a C 'long' or 'unsigned long' type 35 1.1 mrg static int c_long_doublesize; // size of a C 'long double' 36 1.1 mrg static int classinfosize; // size of 'ClassInfo' 37 1.1 mrg static unsigned long long maxStaticDataSize; // maximum size of static data 38 1.1 mrg 39 1.1 mrg template <typename T> 40 1.1 mrg struct FPTypeProperties 41 1.1 mrg { 42 1.1 mrg static real_t max; 43 1.1 mrg static real_t min_normal; 44 1.1 mrg static real_t nan; 45 1.1 mrg static real_t snan; 46 1.1 mrg static real_t infinity; 47 1.1 mrg static real_t epsilon; 48 1.1 mrg 49 1.1 mrg static d_int64 dig; 50 1.1 mrg static d_int64 mant_dig; 51 1.1 mrg static d_int64 max_exp; 52 1.1 mrg static d_int64 min_exp; 53 1.1 mrg static d_int64 max_10_exp; 54 1.1 mrg static d_int64 min_10_exp; 55 1.1 mrg }; 56 1.1 mrg 57 1.1 mrg typedef FPTypeProperties<float> FloatProperties; 58 1.1 mrg typedef FPTypeProperties<double> DoubleProperties; 59 1.1 mrg typedef FPTypeProperties<real_t> RealProperties; 60 1.1 mrg 61 1.1 mrg static void _init(); 62 1.1 mrg // Type sizes and support. 63 1.1 mrg static unsigned alignsize(Type* type); 64 1.1 mrg static unsigned fieldalign(Type* type); 65 1.1 mrg static unsigned critsecsize(); 66 1.1 mrg static Type *va_listType(); // get type of va_list 67 1.1 mrg static int isVectorTypeSupported(int sz, Type *type); 68 1.1 mrg static bool isVectorOpSupported(Type *type, TOK op, Type *t2 = NULL); 69 1.1 mrg // ABI and backend. 70 1.1 mrg static const char *toCppMangle(Dsymbol *s); 71 1.1 mrg static const char *cppTypeInfoMangle(ClassDeclaration *cd); 72 1.1 mrg static const char *cppTypeMangle(Type *t); 73 1.1 mrg static Type *cppParameterType(Parameter *p); 74 1.1 mrg static bool cppFundamentalType(const Type *t, bool& isFundamental); 75 1.1 mrg static LINK systemLinkage(); 76 1.1 mrg }; 77
Indexes created Sat Sep 12 00:25:55 UTC 2026