xref: /llvm-project/compiler-rt/lib/orc/dlfcn_wrapper.cpp (revision f363f9d61eaff7090a19d226ea8786b2987d4fcc)
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 }
66