1 files changed, 131 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/orc/elfnix_platform.h b/contrib/llvm-project/compiler-rt/lib/orc/elfnix_platform.h
new file mode 100644
index 000000000000..e0ee9591dfc6
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/orc/elfnix_platform.h
@@ -0,0 +1,131 @@
+//===- elfnix_platform.h ----------------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// ORC Runtime support for dynamic loading features on ELF-based platforms.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ORC_RT_ELFNIX_PLATFORM_H
+#define ORC_RT_ELFNIX_PLATFORM_H
+
+#include "common.h"
+#include "executor_address.h"
+
+// Atexit functions.
+ORC_RT_INTERFACE int __orc_rt_elfnix_cxa_atexit(void (*func)(void *), void *arg,
+                                                void *dso_handle);
+ORC_RT_INTERFACE int __orc_rt_elfnix_atexit(void (*func)(void *));
+ORC_RT_INTERFACE void __orc_rt_elfnix_cxa_finalize(void *dso_handle);
+
+// dlfcn functions.
+ORC_RT_INTERFACE const char *__orc_rt_elfnix_jit_dlerror();
+ORC_RT_INTERFACE void *__orc_rt_elfnix_jit_dlopen(const char *path, int mode);
+ORC_RT_INTERFACE int __orc_rt_elfnix_jit_dlclose(void *dso_handle);
+ORC_RT_INTERFACE void *__orc_rt_elfnix_jit_dlsym(void *dso_handle,
+                                                 const char *symbol);
+
+namespace __orc_rt {
+namespace elfnix {
+
+struct ELFNixPerObjectSectionsToRegister {
+  ExecutorAddrRange EHFrameSection;
+  ExecutorAddrRange ThreadDataSection;
+};
+
+struct ELFNixJITDylibInitializers {
+  using SectionList = std::vector<ExecutorAddrRange>;
+
+  ELFNixJITDylibInitializers() = default;
+  ELFNixJITDylibInitializers(std::string Name, ExecutorAddr DSOHandleAddress)
+      : Name(std::move(Name)), DSOHandleAddress(std::move(DSOHandleAddress)) {}
+
+  std::string Name;
+  ExecutorAddr DSOHandleAddress;
+
+  std::vector<std::pair<std::string, SectionList>> InitSections;
+};
+
+class ELFNixJITDylibDeinitializers {};
+
+using ELFNixJITDylibInitializerSequence =
+    std::vector<ELFNixJITDylibInitializers>;
+
+using ELFNixJITDylibDeinitializerSequence =
+    std::vector<ELFNixJITDylibDeinitializers>;
+
+enum dlopen_mode : int {
+  ORC_RT_RTLD_LAZY = 0x1,
+  ORC_RT_RTLD_NOW = 0x2,
+  ORC_RT_RTLD_LOCAL = 0x4,
+  ORC_RT_RTLD_GLOBAL = 0x8
+};
+
+} // end namespace elfnix
+
+using SPSELFNixPerObjectSectionsToRegister =
+    SPSTuple<SPSExecutorAddrRange, SPSExecutorAddrRange>;
+
+template <>
+class SPSSerializationTraits<SPSELFNixPerObjectSectionsToRegister,
+                             elfnix::ELFNixPerObjectSectionsToRegister> {
+
+public:
+  static size_t size(const elfnix::ELFNixPerObjectSectionsToRegister &MOPOSR) {
+    return SPSELFNixPerObjectSectionsToRegister::AsArgList::size(
+        MOPOSR.EHFrameSection, MOPOSR.ThreadDataSection);
+  }
+
+  static bool
+  serialize(SPSOutputBuffer &OB,
+            const elfnix::ELFNixPerObjectSectionsToRegister &MOPOSR) {
+    return SPSELFNixPerObjectSectionsToRegister::AsArgList::serialize(
+        OB, MOPOSR.EHFrameSection, MOPOSR.ThreadDataSection);
+  }
+
+  static bool deserialize(SPSInputBuffer &IB,
+                          elfnix::ELFNixPerObjectSectionsToRegister &MOPOSR) {
+    return SPSELFNixPerObjectSectionsToRegister::AsArgList::deserialize(
+        IB, MOPOSR.EHFrameSection, MOPOSR.ThreadDataSection);
+  }
+};
+
+using SPSNamedExecutorAddrRangeSequenceMap =
+    SPSSequence<SPSTuple<SPSString, SPSExecutorAddrRangeSequence>>;
+
+using SPSELFNixJITDylibInitializers =
+    SPSTuple<SPSString, SPSExecutorAddr, SPSNamedExecutorAddrRangeSequenceMap>;
+
+using SPSELFNixJITDylibInitializerSequence =
+    SPSSequence<SPSELFNixJITDylibInitializers>;
+
+/// Serialization traits for ELFNixJITDylibInitializers.
+template <>
+class SPSSerializationTraits<SPSELFNixJITDylibInitializers,
+                             elfnix::ELFNixJITDylibInitializers> {
+public:
+  static size_t size(const elfnix::ELFNixJITDylibInitializers &MOJDIs) {
+    return SPSELFNixJITDylibInitializers::AsArgList::size(
+        MOJDIs.Name, MOJDIs.DSOHandleAddress, MOJDIs.InitSections);
+  }
+
+  static bool serialize(SPSOutputBuffer &OB,
+                        const elfnix::ELFNixJITDylibInitializers &MOJDIs) {
+    return SPSELFNixJITDylibInitializers::AsArgList::serialize(
+        OB, MOJDIs.Name, MOJDIs.DSOHandleAddress, MOJDIs.InitSections);
+  }
+
+  static bool deserialize(SPSInputBuffer &IB,
+                          elfnix::ELFNixJITDylibInitializers &MOJDIs) {
+    return SPSELFNixJITDylibInitializers::AsArgList::deserialize(
+        IB, MOJDIs.Name, MOJDIs.DSOHandleAddress, MOJDIs.InitSections);
+  }
+};
+
+} // end namespace __orc_rt
+
+#endif // ORC_RT_ELFNIX_PLATFORM_H