compiler-rt/lib/orc/dlfcn_wrapper.cpp

   1 //===- dlfcn_wrapper.cpp --------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of the ORC runtime support library.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "adt.h"
  14 #include "common.h"
  15 #include "wrapper_function_utils.h"
  16
  17 #include <vector>
  18
  19 using namespace orc_rt;
  20
  21 extern "C" const char *__orc_rt_jit_dlerror();
  22 extern "C" void *__orc_rt_jit_dlopen(const char *path, int mode);
  23 extern "C" int __orc_rt_jit_dlupdate(void *dso_handle);
  24 extern "C" int __orc_rt_jit_dlclose(void *dso_handle);
  25
  26 ORC_RT_INTERFACE orc_rt_CWrapperFunctionResult
  27 __orc_rt_jit_dlerror_wrapper(const char *ArgData, size_t ArgSize) {
  28   return WrapperFunction<SPSString()>::handle(
  29              ArgData, ArgSize,
  30              []() { return std::string(__orc_rt_jit_dlerror()); })
  31       .release();
  32 }
  33
  34 ORC_RT_INTERFACE orc_rt_CWrapperFunctionResult
  35 __orc_rt_jit_dlopen_wrapper(const char *ArgData, size_t ArgSize) {
  36   return WrapperFunction<SPSExecutorAddr(SPSString, int32_t)>::handle(
  37              ArgData, ArgSize,
  38              [](const std::string &Path, int32_t mode) {
  39                return ExecutorAddr::fromPtr(
  40                    __orc_rt_jit_dlopen(Path.c_str(), mode));
  41              })
  42       .release();
  43 }
  44
  45 #ifndef _WIN32
  46 ORC_RT_INTERFACE orc_rt_CWrapperFunctionResult
  47 __orc_rt_jit_dlupdate_wrapper(const char *ArgData, size_t ArgSize) {
  48   return WrapperFunction<int32_t(SPSExecutorAddr)>::handle(
  49              ArgData, ArgSize,
  50              [](ExecutorAddr &DSOHandle) {
  51                return __orc_rt_jit_dlupdate(DSOHandle.toPtr<void *>());
  52              })
  53       .release();
  54 }
  55 #endif
  56
  57 ORC_RT_INTERFACE orc_rt_CWrapperFunctionResult
  58 __orc_rt_jit_dlclose_wrapper(const char *ArgData, size_t ArgSize) {
  59   return WrapperFunction<int32_t(SPSExecutorAddr)>::handle(
  60              ArgData, ArgSize,
  61              [](ExecutorAddr &DSOHandle) {
  62                return __orc_rt_jit_dlclose(DSOHandle.toPtr<void *>());
  63              })
  64       .release();
  65 }