1 files changed, 108 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/TargetProcess/OrcRTBootstrap.cpp b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/TargetProcess/OrcRTBootstrap.cpp
new file mode 100644
index 000000000000..b38877955282
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/TargetProcess/OrcRTBootstrap.cpp
@@ -0,0 +1,108 @@
+//===------------------------ OrcRTBootstrap.cpp --------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "OrcRTBootstrap.h"
+
+#include "llvm/ExecutionEngine/Orc/Shared/OrcRTBridge.h"
+#include "llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h"
+#include "llvm/ExecutionEngine/Orc/TargetProcess/RegisterEHFrames.h"
+#include "llvm/ExecutionEngine/Orc/TargetProcess/TargetExecutionUtils.h"
+
+#define DEBUG_TYPE "orc"
+
+using namespace llvm::orc::shared;
+
+namespace llvm {
+namespace orc {
+namespace rt_bootstrap {
+
+template <typename WriteT, typename SPSWriteT>
+static llvm::orc::shared::CWrapperFunctionResult
+writeUIntsWrapper(const char *ArgData, size_t ArgSize) {
+  return WrapperFunction<void(SPSSequence<SPSWriteT>)>::handle(
+             ArgData, ArgSize,
+             [](std::vector<WriteT> Ws) {
+               for (auto &W : Ws)
+                 *W.Addr.template toPtr<decltype(W.Value) *>() = W.Value;
+             })
+      .release();
+}
+
+static llvm::orc::shared::CWrapperFunctionResult
+writeBuffersWrapper(const char *ArgData, size_t ArgSize) {
+  return WrapperFunction<void(SPSSequence<SPSMemoryAccessBufferWrite>)>::handle(
+             ArgData, ArgSize,
+             [](std::vector<tpctypes::BufferWrite> Ws) {
+               for (auto &W : Ws)
+                 memcpy(W.Addr.template toPtr<char *>(), W.Buffer.data(),
+                        W.Buffer.size());
+             })
+      .release();
+}
+
+static llvm::orc::shared::CWrapperFunctionResult
+runAsMainWrapper(const char *ArgData, size_t ArgSize) {
+  return WrapperFunction<rt::SPSRunAsMainSignature>::handle(
+             ArgData, ArgSize,
+             [](ExecutorAddr MainAddr,
+                std::vector<std::string> Args) -> int64_t {
+               return runAsMain(MainAddr.toPtr<int (*)(int, char *[])>(), Args);
+             })
+      .release();
+}
+
+static llvm::orc::shared::CWrapperFunctionResult
+runAsVoidFunctionWrapper(const char *ArgData, size_t ArgSize) {
+  return WrapperFunction<rt::SPSRunAsVoidFunctionSignature>::handle(
+             ArgData, ArgSize,
+             [](ExecutorAddr MainAddr) -> int32_t {
+               return runAsVoidFunction(MainAddr.toPtr<int32_t (*)(void)>());
+             })
+      .release();
+}
+
+static llvm::orc::shared::CWrapperFunctionResult
+runAsIntFunctionWrapper(const char *ArgData, size_t ArgSize) {
+  return WrapperFunction<rt::SPSRunAsIntFunctionSignature>::handle(
+             ArgData, ArgSize,
+             [](ExecutorAddr MainAddr, int32_t Arg) -> int32_t {
+               return runAsIntFunction(MainAddr.toPtr<int32_t (*)(int32_t)>(),
+                                       Arg);
+             })
+      .release();
+}
+
+void addTo(StringMap<ExecutorAddr> &M) {
+  M[rt::MemoryWriteUInt8sWrapperName] = ExecutorAddr::fromPtr(
+      &writeUIntsWrapper<tpctypes::UInt8Write,
+                         shared::SPSMemoryAccessUInt8Write>);
+  M[rt::MemoryWriteUInt16sWrapperName] = ExecutorAddr::fromPtr(
+      &writeUIntsWrapper<tpctypes::UInt16Write,
+                         shared::SPSMemoryAccessUInt16Write>);
+  M[rt::MemoryWriteUInt32sWrapperName] = ExecutorAddr::fromPtr(
+      &writeUIntsWrapper<tpctypes::UInt32Write,
+                         shared::SPSMemoryAccessUInt32Write>);
+  M[rt::MemoryWriteUInt64sWrapperName] = ExecutorAddr::fromPtr(
+      &writeUIntsWrapper<tpctypes::UInt64Write,
+                         shared::SPSMemoryAccessUInt64Write>);
+  M[rt::MemoryWriteBuffersWrapperName] =
+      ExecutorAddr::fromPtr(&writeBuffersWrapper);
+  M[rt::RegisterEHFrameSectionWrapperName] =
+      ExecutorAddr::fromPtr(&llvm_orc_registerEHFrameSectionWrapper);
+  M[rt::DeregisterEHFrameSectionWrapperName] =
+      ExecutorAddr::fromPtr(&llvm_orc_deregisterEHFrameSectionWrapper);
+  M[rt::RunAsMainWrapperName] = ExecutorAddr::fromPtr(&runAsMainWrapper);
+  M[rt::RunAsVoidFunctionWrapperName] =
+      ExecutorAddr::fromPtr(&runAsVoidFunctionWrapper);
+  M[rt::RunAsIntFunctionWrapperName] =
+      ExecutorAddr::fromPtr(&runAsIntFunctionWrapper);
+}
+
+} // end namespace rt_bootstrap
+} // end namespace orc
+} // end namespace llvm