[ORC-RT] Split Simple-Packed-Serialization code into its own header.
This will simplify integration of this code into LLVM -- The Simple-Packed-Serialization code can be copied near-verbatim, but WrapperFunctionResult will require more adaptation.
This commit is contained in:
Lang Hames
@@ -8,44 +8,16 @@
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//
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// This file is a part of the ORC runtime support library.
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//
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// The behavior of the utilities in this header must be synchronized with the
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// behavior of the utilities in
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// llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h.
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//
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// The Simple Packed Serialization (SPS) utilities are used to generate
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// argument and return buffers for wrapper functions using the following
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// serialization scheme:
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//
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// Primitives:
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// bool, char, int8_t, uint8_t -- Two's complement 8-bit (0=false, 1=true)
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// int16_t, uint16_t -- Two's complement 16-bit little endian
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// int32_t, uint32_t -- Two's complement 32-bit little endian
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// int64_t, int64_t -- Two's complement 64-bit little endian
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//
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// Sequence<T>:
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// Serialized as the sequence length (as a uint64_t) followed by the
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// serialization of each of the elements without padding.
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//
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// Tuple<T1, ..., TN>:
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// Serialized as each of the element types from T1 to TN without padding.
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//
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//===----------------------------------------------------------------------===//
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#ifndef ORC_RT_WRAPPER_FUNCTION_UTILS_H
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#define ORC_RT_WRAPPER_FUNCTION_UTILS_H
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#include "adt.h"
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#include "c_api.h"
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#include "common.h"
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#include "endianness.h"
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#include "error.h"
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#include "stl_extras.h"
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#include <string>
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#include <tuple>
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#include "simple_packed_serialization.h"
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#include <type_traits>
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#include <utility>
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#include <vector>
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namespace __orc_rt {
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@@ -126,6 +98,11 @@ public:
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return __orc_rt_CreateCWrapperFunctionResultFromOutOfBandError(Msg);
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}
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/// Create an out-of-band error by copying the given string.
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static WrapperFunctionResult createOutOfBandError(const std::string &Msg) {
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return createOutOfBandError(Msg.c_str());
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}
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/// If this value is an out-of-band error then this returns the error message,
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/// otherwise returns nullptr.
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const char *getOutOfBandError() const {
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@@ -136,537 +113,21 @@ private:
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__orc_rt_CWrapperFunctionResult R;
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};
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/// Output char buffer with overflow check.
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class SPSOutputBuffer {
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public:
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SPSOutputBuffer(char *Buffer, size_t Remaining)
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: Buffer(Buffer), Remaining(Remaining) {}
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bool write(const char *Data, size_t Size) {
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if (Size > Remaining)
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return false;
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memcpy(Buffer, Data, Size);
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Buffer += Size;
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Remaining -= Size;
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return true;
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}
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private:
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char *Buffer = nullptr;
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size_t Remaining = 0;
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};
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/// Input char buffer with underflow check.
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class SPSInputBuffer {
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public:
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SPSInputBuffer() = default;
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SPSInputBuffer(const char *Buffer, size_t Remaining)
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: Buffer(Buffer), Remaining(Remaining) {}
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bool read(char *Data, size_t Size) {
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if (Size > Remaining)
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return false;
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memcpy(Data, Buffer, Size);
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Buffer += Size;
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Remaining -= Size;
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return true;
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}
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const char *data() const { return Buffer; }
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bool skip(size_t Size) {
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if (Size > Remaining)
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return false;
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Remaining -= Size;
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return true;
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}
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private:
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const char *Buffer = nullptr;
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size_t Remaining = 0;
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};
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/// Specialize to describe how to serialize/deserialize to/from the given
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/// concrete type.
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template <typename SPSTagT, typename ConcreteT, typename _ = void>
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class SPSSerializationTraits;
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/// A utility class for serializing to a blob from a variadic list.
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template <typename... ArgTs> class SPSArgList;
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// Empty list specialization for SPSArgList.
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template <> class SPSArgList<> {
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public:
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static size_t size() { return 0; }
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static bool serialize(SPSOutputBuffer &OB) { return true; }
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static bool deserialize(SPSInputBuffer &IB) { return true; }
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static bool toWrapperFunctionResult(WrapperFunctionResult &R) {
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R = WrapperFunctionResult();
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return true;
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}
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};
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// Non-empty list specialization for SPSArgList.
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template <typename SPSTagT, typename... SPSTagTs>
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class SPSArgList<SPSTagT, SPSTagTs...> {
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public:
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template <typename ArgT, typename... ArgTs>
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static size_t size(const ArgT &Arg, const ArgTs &...Args) {
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return SPSSerializationTraits<SPSTagT, ArgT>::size(Arg) +
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SPSArgList<SPSTagTs...>::size(Args...);
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}
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template <typename ArgT, typename... ArgTs>
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static bool serialize(SPSOutputBuffer &OB, const ArgT &Arg,
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const ArgTs &...Args) {
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return SPSSerializationTraits<SPSTagT, ArgT>::serialize(OB, Arg) &&
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SPSArgList<SPSTagTs...>::serialize(OB, Args...);
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}
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template <typename ArgT, typename... ArgTs>
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static bool deserialize(SPSInputBuffer &IB, ArgT &Arg, ArgTs &...Args) {
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return SPSSerializationTraits<SPSTagT, ArgT>::deserialize(IB, Arg) &&
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SPSArgList<SPSTagTs...>::deserialize(IB, Args...);
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}
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template <typename... ArgTs>
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static bool toWrapperFunctionResult(WrapperFunctionResult &R,
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const ArgTs &...Args) {
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WrapperFunctionResult TR;
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char *DataPtr = WrapperFunctionResult::allocate(TR, size(Args...));
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SPSOutputBuffer OB(DataPtr, TR.size());
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if (!serialize(OB, Args...))
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return false;
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R = std::move(TR);
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return true;
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}
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template <typename... ArgTs>
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static bool fromBuffer(const char *Data, size_t Size, ArgTs &...Args) {
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SPSInputBuffer IB(Data, Size);
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return deserialize(IB, Args...);
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}
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};
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/// SPS serialization for integral types, bool, and char.
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template <typename SPSTagT>
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class SPSSerializationTraits<
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SPSTagT, SPSTagT,
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std::enable_if_t<std::is_same<SPSTagT, bool>::value ||
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std::is_same<SPSTagT, char>::value ||
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std::is_same<SPSTagT, int8_t>::value ||
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std::is_same<SPSTagT, int16_t>::value ||
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std::is_same<SPSTagT, int32_t>::value ||
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std::is_same<SPSTagT, int64_t>::value ||
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std::is_same<SPSTagT, uint8_t>::value ||
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std::is_same<SPSTagT, uint16_t>::value ||
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std::is_same<SPSTagT, uint32_t>::value ||
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std::is_same<SPSTagT, uint64_t>::value>> {
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public:
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static size_t size(const SPSTagT &Value) { return sizeof(SPSTagT); }
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static bool serialize(SPSOutputBuffer &OB, const SPSTagT &Value) {
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SPSTagT Tmp = Value;
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if (IsBigEndianHost)
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swapByteOrder(Tmp);
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return OB.write(reinterpret_cast<const char *>(&Tmp), sizeof(Tmp));
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}
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static bool deserialize(SPSInputBuffer &IB, SPSTagT &Value) {
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SPSTagT Tmp;
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if (!IB.read(reinterpret_cast<char *>(&Tmp), sizeof(Tmp)))
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return false;
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if (IsBigEndianHost)
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swapByteOrder(Tmp);
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Value = Tmp;
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return true;
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}
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};
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// Any empty placeholder suitable as a substitute for void when deserializing
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class SPSEmpty {};
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/// SPS tag type for target addresses.
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///
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/// SPSTagTargetAddresses should be serialized as a uint64_t value.
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class SPSTagTargetAddress;
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template <>
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class SPSSerializationTraits<SPSTagTargetAddress, uint64_t>
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: public SPSSerializationTraits<uint64_t, uint64_t> {};
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/// SPS tag type for tuples.
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///
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/// A blob tuple should be serialized by serializing each of the elements in
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/// sequence.
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template <typename... SPSTagTs> class SPSTuple {
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public:
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/// Convenience typedef of the corresponding arg list.
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typedef SPSArgList<SPSTagTs...> AsArgList;
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};
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/// SPS tag type for sequences.
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///
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/// SPSSequences should be serialized as a uint64_t sequence length,
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/// followed by the serialization of each of the elements.
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template <typename SPSElementTagT> class SPSSequence;
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/// SPS tag type for strings, which are equivalent to sequences of chars.
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using SPSString = SPSSequence<char>;
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/// SPS tag type for maps.
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///
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/// SPS maps are just sequences of (Key, Value) tuples.
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template <typename SPSTagT1, typename SPSTagT2>
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using SPSMap = SPSSequence<SPSTuple<SPSTagT1, SPSTagT2>>;
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/// Serialization for SPSEmpty type.
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template <> class SPSSerializationTraits<SPSEmpty, SPSEmpty> {
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public:
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static size_t size(const SPSEmpty &EP) { return 0; }
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static bool serialize(SPSOutputBuffer &OB, const SPSEmpty &BE) {
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return true;
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}
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static bool deserialize(SPSInputBuffer &IB, SPSEmpty &BE) { return true; }
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};
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/// Specialize this to implement 'trivial' sequence serialization for
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/// a concrete sequence type.
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///
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/// Trivial sequence serialization uses the sequence's 'size' member to get the
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/// length of the sequence, and uses a range-based for loop to iterate over the
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/// elements.
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///
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/// Specializing this template class means that you do not need to provide a
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/// specialization of SPSSerializationTraits for your type.
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template <typename SPSElementTagT, typename ConcreteSequenceT>
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class TrivialSPSSequenceSerialization {
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public:
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static constexpr bool available = false;
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};
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/// Specialize this to implement 'trivial' sequence deserialization for
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/// a concrete sequence type.
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///
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/// Trivial deserialization calls a static 'reserve(SequenceT&)' method on your
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/// specialization (you must implement this) to reserve space, and then calls
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/// a static 'append(SequenceT&, ElementT&) method to append each of the
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/// deserialized elements.
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///
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/// Specializing this template class means that you do not need to provide a
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/// specialization of SPSSerializationTraits for your type.
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template <typename SPSElementTagT, typename ConcreteSequenceT>
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class TrivialSPSSequenceDeserialization {
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public:
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static constexpr bool available = false;
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};
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/// Trivial std::string -> SPSSequence<char> serialization.
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template <> class TrivialSPSSequenceSerialization<char, std::string> {
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public:
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static constexpr bool available = true;
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};
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/// Trivial SPSSequence<char> -> std::string deserialization.
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template <> class TrivialSPSSequenceDeserialization<char, std::string> {
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public:
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static constexpr bool available = true;
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using element_type = char;
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static void reserve(std::string &S, uint64_t Size) { S.reserve(Size); }
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static bool append(std::string &S, char C) {
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S.push_back(C);
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return true;
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}
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};
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/// Trivial std::vector<T> -> SPSSequence<SPSElementTagT> serialization.
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template <typename SPSElementTagT, typename T>
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class TrivialSPSSequenceSerialization<SPSElementTagT, std::vector<T>> {
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public:
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static constexpr bool available = true;
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};
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/// Trivial SPSSequence<SPSElementTagT> -> std::vector<T> deserialization.
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template <typename SPSElementTagT, typename T>
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class TrivialSPSSequenceDeserialization<SPSElementTagT, std::vector<T>> {
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public:
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static constexpr bool available = true;
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using element_type = typename std::vector<T>::value_type;
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static void reserve(std::vector<T> &V, uint64_t Size) { V.reserve(Size); }
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static bool append(std::vector<T> &V, T E) {
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V.push_back(std::move(E));
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return true;
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}
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};
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/// 'Trivial' sequence serialization: Sequence is serialized as a uint64_t size
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/// followed by a for-earch loop over the elements of the sequence to serialize
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/// each of them.
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template <typename SPSElementTagT, typename SequenceT>
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class SPSSerializationTraits<SPSSequence<SPSElementTagT>, SequenceT,
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std::enable_if_t<TrivialSPSSequenceSerialization<
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SPSElementTagT, SequenceT>::available>> {
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public:
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static size_t size(const SequenceT &S) {
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size_t Size = SPSArgList<uint64_t>::size(static_cast<uint64_t>(S.size()));
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for (const auto &E : S)
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Size += SPSArgList<SPSElementTagT>::size(E);
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return Size;
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}
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static bool serialize(SPSOutputBuffer &OB, const SequenceT &S) {
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if (!SPSArgList<uint64_t>::serialize(OB, static_cast<uint64_t>(S.size())))
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return false;
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for (const auto &E : S)
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if (!SPSArgList<SPSElementTagT>::serialize(OB, E))
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return false;
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return true;
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}
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static bool deserialize(SPSInputBuffer &IB, SequenceT &S) {
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using TBSD = TrivialSPSSequenceDeserialization<SPSElementTagT, SequenceT>;
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uint64_t Size;
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if (!SPSArgList<uint64_t>::deserialize(IB, Size))
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return false;
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TBSD::reserve(S, Size);
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for (size_t I = 0; I != Size; ++I) {
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typename TBSD::element_type E;
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if (!SPSArgList<SPSElementTagT>::deserialize(IB, E))
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return false;
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if (!TBSD::append(S, std::move(E)))
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return false;
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}
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return true;
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}
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};
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/// SPSTuple serialization for std::pair.
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template <typename SPSTagT1, typename SPSTagT2, typename T1, typename T2>
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class SPSSerializationTraits<SPSTuple<SPSTagT1, SPSTagT2>, std::pair<T1, T2>> {
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public:
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static size_t size(const std::pair<T1, T2> &P) {
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return SPSArgList<SPSTagT1>::size(P.first) +
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SPSArgList<SPSTagT2>::size(P.second);
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}
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static bool serialize(SPSOutputBuffer &OB, const std::pair<T1, T2> &P) {
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return SPSArgList<SPSTagT1>::serialize(OB, P.first) &&
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SPSArgList<SPSTagT2>::serialize(OB, P.second);
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}
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static bool deserialize(SPSInputBuffer &IB, std::pair<T1, T2> &P) {
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return SPSArgList<SPSTagT1>::deserialize(IB, P.first) &&
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SPSArgList<SPSTagT2>::deserialize(IB, P.second);
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}
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};
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/// Serialization for string_views.
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///
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/// Serialization is as for regular strings. Deserialization points directly
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/// into the blob.
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template <> class SPSSerializationTraits<SPSString, __orc_rt::string_view> {
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public:
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static size_t size(const __orc_rt::string_view &S) {
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return SPSArgList<uint64_t>::size(static_cast<uint64_t>(S.size())) +
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S.size();
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}
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static bool serialize(SPSOutputBuffer &OB, const __orc_rt::string_view &S) {
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if (!SPSArgList<uint64_t>::serialize(OB, static_cast<uint64_t>(S.size())))
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return false;
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return OB.write(S.data(), S.size());
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}
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static bool deserialize(SPSInputBuffer &IB, __orc_rt::string_view &S) {
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const char *Data = nullptr;
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uint64_t Size;
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if (!SPSArgList<uint64_t>::deserialize(IB, Size))
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return false;
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Data = IB.data();
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if (!IB.skip(Size))
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return false;
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S = {Data, Size};
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return true;
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}
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};
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/// SPS tag type for errors.
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class SPSError;
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/// SPS tag type for expecteds, which are either a T or a string representing
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/// an error.
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template <typename SPSTagT> class SPSExpected;
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namespace detail {
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/// Helper type for serializing Errors.
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///
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/// llvm::Errors are move-only, and not inspectable except by consuming them.
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/// This makes them unsuitable for direct serialization via
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/// SPSSerializationTraits, which needs to inspect values twice (once to
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/// determine the amount of space to reserve, and then again to serialize).
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///
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/// The WrapperFunctionSerializableError type is a helper that can be
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/// constructed from an llvm::Error, but inspected more than once.
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struct SPSSerializableError {
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bool HasError = false;
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std::string ErrMsg;
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};
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/// Helper type for serializing Expected<T>s.
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///
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/// See SPSSerializableError for more details.
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///
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// FIXME: Use std::variant for storage once we have c++17.
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template <typename T> struct SPSSerializableExpected {
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bool HasValue = false;
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T Value{};
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std::string ErrMsg;
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};
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inline SPSSerializableError toSPSSerializable(Error Err) {
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if (Err)
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return {true, toString(std::move(Err))};
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return {false, {}};
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template <typename SPSArgListT, typename... ArgTs>
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Expected<WrapperFunctionResult>
|
||||
serializeViaSPSToWrapperFunctionResult(const ArgTs &...Args) {
|
||||
WrapperFunctionResult Result;
|
||||
char *DataPtr =
|
||||
WrapperFunctionResult::allocate(Result, SPSArgListT::size(Args...));
|
||||
SPSOutputBuffer OB(DataPtr, Result.size());
|
||||
if (!SPSArgListT::serialize(OB, Args...))
|
||||
return make_error<StringError>(
|
||||
"Error serializing arguments to blob in call");
|
||||
return Result;
|
||||
}
|
||||
|
||||
inline Error fromSPSSerializable(SPSSerializableError BSE) {
|
||||
if (BSE.HasError)
|
||||
return make_error<StringError>(BSE.ErrMsg);
|
||||
return Error::success();
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
SPSSerializableExpected<T> toSPSSerializable(Expected<T> E) {
|
||||
if (E)
|
||||
return {true, std::move(*E), {}};
|
||||
else
|
||||
return {false, {}, toString(E.takeError())};
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
Expected<T> fromSPSSerializable(SPSSerializableExpected<T> BSE) {
|
||||
if (BSE.HasValue)
|
||||
return std::move(BSE.Value);
|
||||
else
|
||||
return make_error<StringError>(BSE.ErrMsg);
|
||||
}
|
||||
|
||||
} // end namespace detail
|
||||
|
||||
/// Serialize to a SPSError from a detail::SPSSerializableError.
|
||||
template <>
|
||||
class SPSSerializationTraits<SPSError, detail::SPSSerializableError> {
|
||||
public:
|
||||
static size_t size(const detail::SPSSerializableError &BSE) {
|
||||
size_t Size = SPSArgList<bool>::size(BSE.HasError);
|
||||
if (BSE.HasError)
|
||||
Size += SPSArgList<SPSString>::size(BSE.ErrMsg);
|
||||
return Size;
|
||||
}
|
||||
|
||||
static bool serialize(SPSOutputBuffer &OB,
|
||||
const detail::SPSSerializableError &BSE) {
|
||||
if (!SPSArgList<bool>::serialize(OB, BSE.HasError))
|
||||
return false;
|
||||
if (BSE.HasError)
|
||||
if (!SPSArgList<SPSString>::serialize(OB, BSE.ErrMsg))
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool deserialize(SPSInputBuffer &IB,
|
||||
detail::SPSSerializableError &BSE) {
|
||||
if (!SPSArgList<bool>::deserialize(IB, BSE.HasError))
|
||||
return false;
|
||||
|
||||
if (!BSE.HasError)
|
||||
return true;
|
||||
|
||||
return SPSArgList<SPSString>::deserialize(IB, BSE.ErrMsg);
|
||||
}
|
||||
};
|
||||
|
||||
/// Serialize to a SPSExpected<SPSTagT> from a
|
||||
/// detail::SPSSerializableExpected<T>.
|
||||
template <typename SPSTagT, typename T>
|
||||
class SPSSerializationTraits<SPSExpected<SPSTagT>,
|
||||
detail::SPSSerializableExpected<T>> {
|
||||
public:
|
||||
static size_t size(const detail::SPSSerializableExpected<T> &BSE) {
|
||||
size_t Size = SPSArgList<bool>::size(BSE.HasValue);
|
||||
if (BSE.HasValue)
|
||||
Size += SPSArgList<SPSTagT>::size(BSE.Value);
|
||||
else
|
||||
Size += SPSArgList<SPSString>::size(BSE.ErrMsg);
|
||||
return Size;
|
||||
}
|
||||
|
||||
static bool serialize(SPSOutputBuffer &OB,
|
||||
const detail::SPSSerializableExpected<T> &BSE) {
|
||||
if (!SPSArgList<bool>::serialize(OB, BSE.HasValue))
|
||||
return false;
|
||||
|
||||
if (BSE.HasValue)
|
||||
return SPSArgList<SPSTagT>::serialize(OB, BSE.Value);
|
||||
|
||||
return SPSArgList<SPSString>::serialize(OB, BSE.ErrMsg);
|
||||
}
|
||||
|
||||
static bool deserialize(SPSInputBuffer &IB,
|
||||
detail::SPSSerializableExpected<T> &BSE) {
|
||||
if (!SPSArgList<bool>::deserialize(IB, BSE.HasValue))
|
||||
return false;
|
||||
|
||||
if (BSE.HasValue)
|
||||
return SPSArgList<SPSTagT>::deserialize(IB, BSE.Value);
|
||||
|
||||
return SPSArgList<SPSString>::deserialize(IB, BSE.ErrMsg);
|
||||
}
|
||||
};
|
||||
|
||||
/// Serialize to a SPSExpected<SPSTagT> from a detail::SPSSerializableError.
|
||||
template <typename SPSTagT>
|
||||
class SPSSerializationTraits<SPSExpected<SPSTagT>,
|
||||
detail::SPSSerializableError> {
|
||||
public:
|
||||
static size_t size(const detail::SPSSerializableError &BSE) {
|
||||
assert(BSE.HasError && "Cannot serialize expected from a success value");
|
||||
return SPSArgList<bool>::size(false) +
|
||||
SPSArgList<SPSString>::size(BSE.ErrMsg);
|
||||
}
|
||||
|
||||
static bool serialize(SPSOutputBuffer &OB,
|
||||
const detail::SPSSerializableError &BSE) {
|
||||
assert(BSE.HasError && "Cannot serialize expected from a success value");
|
||||
if (!SPSArgList<bool>::serialize(OB, false))
|
||||
return false;
|
||||
return SPSArgList<SPSString>::serialize(OB, BSE.ErrMsg);
|
||||
}
|
||||
};
|
||||
|
||||
/// Serialize to a SPSExpected<SPSTagT> from a T.
|
||||
template <typename SPSTagT, typename T>
|
||||
class SPSSerializationTraits<SPSExpected<SPSTagT>, T> {
|
||||
public:
|
||||
static size_t size(const T &Value) {
|
||||
return SPSArgList<bool>::size(true) + SPSArgList<SPSTagT>::size(Value);
|
||||
}
|
||||
|
||||
static bool serialize(SPSOutputBuffer &OB, const T &Value) {
|
||||
if (!SPSArgList<bool>::serialize(OB, true))
|
||||
return false;
|
||||
return SPSArgList<SPSTagT>::serialize(Value);
|
||||
}
|
||||
};
|
||||
|
||||
namespace detail {
|
||||
|
||||
template <typename WrapperFunctionImplT,
|
||||
template <typename> class ResultSerializer, typename... SPSTagTs>
|
||||
class WrapperFunctionHandlerHelper
|
||||
@@ -690,8 +151,12 @@ public:
|
||||
return WrapperFunctionResult::createOutOfBandError(
|
||||
"Could not deserialize arguments for wrapper function call");
|
||||
|
||||
return ResultSerializer<RetT>::serialize(
|
||||
call(std::forward<HandlerT>(H), Args, ArgIndices{}));
|
||||
if (auto Result = ResultSerializer<RetT>::serialize(
|
||||
call(std::forward<HandlerT>(H), Args, ArgIndices{})))
|
||||
return std::move(*Result);
|
||||
else
|
||||
return WrapperFunctionResult::createOutOfBandError(
|
||||
toString(Result.takeError()));
|
||||
}
|
||||
|
||||
private:
|
||||
@@ -735,37 +200,26 @@ class WrapperFunctionHandlerHelper<RetT (ClassT::*)(ArgTs...) const,
|
||||
|
||||
template <typename SPSRetTagT, typename RetT> class ResultSerializer {
|
||||
public:
|
||||
static WrapperFunctionResult serialize(RetT Result) {
|
||||
WrapperFunctionResult R;
|
||||
if (!SPSArgList<SPSRetTagT>::toWrapperFunctionResult(R, Result))
|
||||
return WrapperFunctionResult::createOutOfBandError(
|
||||
"Could not serialize return value from wrapper function");
|
||||
return R;
|
||||
static Expected<WrapperFunctionResult> serialize(RetT Result) {
|
||||
return serializeViaSPSToWrapperFunctionResult<SPSArgList<SPSRetTagT>>(
|
||||
Result);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename SPSRetTagT> class ResultSerializer<SPSRetTagT, Error> {
|
||||
public:
|
||||
static WrapperFunctionResult serialize(Error Err) {
|
||||
WrapperFunctionResult R;
|
||||
if (!SPSArgList<SPSRetTagT>::toWrapperFunctionResult(
|
||||
R, toSPSSerializable(std::move(Err))))
|
||||
return WrapperFunctionResult::createOutOfBandError(
|
||||
"Could not serialize return value from wrapper function");
|
||||
return R;
|
||||
static Expected<WrapperFunctionResult> serialize(Error Err) {
|
||||
return serializeViaSPSToWrapperFunctionResult<SPSArgList<SPSRetTagT>>(
|
||||
toSPSSerializable(std::move(Err)));
|
||||
}
|
||||
};
|
||||
|
||||
template <typename SPSRetTagT, typename T>
|
||||
class ResultSerializer<SPSRetTagT, Expected<T>> {
|
||||
public:
|
||||
static WrapperFunctionResult serialize(Expected<T> E) {
|
||||
WrapperFunctionResult R;
|
||||
if (!SPSArgList<SPSRetTagT>::toWrapperFunctionResult(
|
||||
R, toSPSSerializable(std::move(E))))
|
||||
return WrapperFunctionResult::createOutOfBandError(
|
||||
"Could not serialize return value from wrapper function");
|
||||
return R;
|
||||
static Expected<WrapperFunctionResult> serialize(Expected<T> E) {
|
||||
return serializeViaSPSToWrapperFunctionResult<SPSArgList<SPSRetTagT>>(
|
||||
toSPSSerializable(std::move(E)));
|
||||
}
|
||||
};
|
||||
|
||||
@@ -838,12 +292,15 @@ public:
|
||||
if (ORC_RT_UNLIKELY(!&__orc_rt_jit_dispatch_ctx))
|
||||
return make_error<StringError>("__orc_jtjit_dispatch not set");
|
||||
|
||||
WrapperFunctionResult ArgBuffer;
|
||||
if (!SPSArgList<SPSTagTs...>::toWrapperFunctionResult(ArgBuffer, Args...))
|
||||
return make_error<StringError>(
|
||||
"Error serializing arguments to blob in call");
|
||||
WrapperFunctionResult ResultBuffer = __orc_rt_jit_dispatch(
|
||||
&__orc_rt_jit_dispatch_ctx, FnTag, ArgBuffer.data(), ArgBuffer.size());
|
||||
auto ArgBuffer =
|
||||
detail::serializeViaSPSToWrapperFunctionResult<SPSArgList<SPSTagTs...>>(
|
||||
Args...);
|
||||
if (!ArgBuffer)
|
||||
return ArgBuffer.takeError();
|
||||
|
||||
WrapperFunctionResult ResultBuffer =
|
||||
__orc_rt_jit_dispatch(&__orc_rt_jit_dispatch_ctx, FnTag,
|
||||
ArgBuffer->data(), ArgBuffer->size());
|
||||
if (auto ErrMsg = ResultBuffer.getOutOfBandError())
|
||||
return make_error<StringError>(ErrMsg);
|
||||
|
||||
|
||||
Reference in New Issue
Block a user