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//===- 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
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