| //===- 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; |
| }; |
| |
| using ELFNixJITDylibDepInfo = std::vector<ExecutorAddr>; |
| |
| using ELFNixJITDylibDepInfoMap = |
| std::unordered_map<ExecutorAddr, ELFNixJITDylibDepInfo>; |
| |
| enum dlopen_mode : int { |
| ORC_RT_RTLD_LAZY = 0x1, |
| ORC_RT_RTLD_NOW = 0x2, |
| ORC_RT_RTLD_LOCAL = 0x4, |
| ORC_RT_RTLD_GLOBAL = 0x8 |
| }; |
| |
| } // 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 SPSELFNixJITDylibDepInfo = SPSSequence<SPSExecutorAddr>; |
| using SPSELFNixJITDylibDepInfoMap = |
| SPSSequence<SPSTuple<SPSExecutorAddr, SPSELFNixJITDylibDepInfo>>; |
| |
| } // namespace orc_rt |
| |
| #endif // ORC_RT_ELFNIX_PLATFORM_H |