Skip to content
This repository
Fetching contributors…

Cannot retrieve contributors at this time

file 49 lines (38 sloc) 1.234 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
#ifndef __LDC_GEN_ABI_H__
#define __LDC_GEN_ABI_H__

#include <vector>

struct Type;
struct IrFuncTyArg;
struct DValue;

namespace llvm
{
    class Type;
    class Value;
}

// return rewrite rule
struct ABIRewrite
{
    /// get a rewritten value back to its original form
    virtual LLValue* get(Type* dty, DValue* v) = 0;

    /// get a rewritten value back to its original form and store result in provided lvalue
    /// this one is optional and defaults to calling the one above
    virtual void getL(Type* dty, DValue* v, llvm::Value* lval);

    /// put out rewritten value
    virtual LLValue* put(Type* dty, DValue* v) = 0;

    /// should return the transformed type for this rewrite
    virtual LLType* type(Type* dty, LLType* t) = 0;
};

// interface called by codegen
struct TargetABI
{
    /// Returns the ABI for the target we're compiling for
    static TargetABI* getTarget();
    /// Returns the ABI for intrinsics
    static TargetABI* getIntrinsic();

    virtual void newFunctionType(TypeFunction* tf) {}
    virtual bool returnInArg(TypeFunction* tf) = 0;
    virtual bool passByVal(Type* t) = 0;
    virtual void doneWithFunctionType() {}

    virtual void rewriteFunctionType(TypeFunction* t) = 0;
};

#endif
Something went wrong with that request. Please try again.