132 lines
4.5 KiB
C++
132 lines
4.5 KiB
C++
//===- 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
|