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annotate gen/abi.h @ 1638:0de4525a9ed6

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author Christian Kamm <kamm incasoftware de>
date Mon, 08 Mar 2010 20:06:08 +0100
parents 34f2fd925de3
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1 #ifndef __LDC_GEN_ABI_H__
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2 #define __LDC_GEN_ABI_H__
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3
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4 #include <vector>
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5
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6 struct Type;
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7 struct IrFuncTyArg;
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8 struct DValue;
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9
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10 namespace llvm
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11 {
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12 class Type;
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13 class Value;
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14 }
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15
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16 // return rewrite rule
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17 struct ABIRewrite
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18 {
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19 /// get a rewritten value back to its original form
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20 virtual LLValue* get(Type* dty, DValue* v) = 0;
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21
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22 /// get a rewritten value back to its original form and store result in provided lvalue
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23 /// this one is optional and defaults to calling the one above
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24 virtual void getL(Type* dty, DValue* v, llvm::Value* lval);
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26 /// put out rewritten value
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27 virtual LLValue* put(Type* dty, DValue* v) = 0;
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29 /// should return the transformed type for this rewrite
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30 virtual const LLType* type(Type* dty, const LLType* t) = 0;
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31 };
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32
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33 // interface called by codegen
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34 struct TargetABI
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35 {
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36 /// Returns the ABI for the target we're compiling for
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37 static TargetABI* getTarget();
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38 /// Returns the ABI for intrinsics
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39 static TargetABI* getIntrinsic();
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40
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41 virtual void newFunctionType(TypeFunction* tf) {}
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42 virtual bool returnInArg(TypeFunction* tf) = 0;
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43 virtual bool passByVal(Type* t) = 0;
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44 virtual void doneWithFunctionType() {}
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45
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46 virtual void rewriteFunctionType(TypeFunction* t) = 0;
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47 };
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49 #endif