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//===- macho_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 Darwin dynamic loading features.
//
//===----------------------------------------------------------------------===//
#ifndef ORC_RT_MACHO_PLATFORM_H
#define ORC_RT_MACHO_PLATFORM_H
#include "common.h"
#include "executor_address.h"
// Atexit functions.
ORC_RT_INTERFACE int __orc_rt_macho_cxa_atexit(void (*func)(void *), void *arg,
void *dso_handle);
ORC_RT_INTERFACE void __orc_rt_macho_cxa_finalize(void *dso_handle);
// dlfcn functions.
ORC_RT_INTERFACE const char *__orc_rt_macho_jit_dlerror();
ORC_RT_INTERFACE void *__orc_rt_macho_jit_dlopen(const char *path, int mode);
ORC_RT_INTERFACE int __orc_rt_macho_jit_dlclose(void *dso_handle);
ORC_RT_INTERFACE void *__orc_rt_macho_jit_dlsym(void *dso_handle,
const char *symbol);
namespace __orc_rt {
namespace macho {
struct MachOJITDylibInitializers {
using SectionList = std::vector<ExecutorAddrRange>;
MachOJITDylibInitializers() = default;
MachOJITDylibInitializers(std::string Name, ExecutorAddr MachOHeaderAddress)
: Name(std::move(Name)),
MachOHeaderAddress(std::move(MachOHeaderAddress)) {}
std::string Name;
ExecutorAddr MachOHeaderAddress;
ExecutorAddr ObjCImageInfoAddress;
std::unordered_map<std::string, SectionList> InitSections;
};
class MachOJITDylibDeinitializers {};
using MachOJITDylibInitializerSequence = std::vector<MachOJITDylibInitializers>;
using MachOJITDylibDeinitializerSequence =
std::vector<MachOJITDylibDeinitializers>;
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 macho
using SPSNamedExecutorAddrRangeSequenceMap =
SPSSequence<SPSTuple<SPSString, SPSExecutorAddrRangeSequence>>;
using SPSMachOJITDylibInitializers =
SPSTuple<SPSString, SPSExecutorAddr, SPSExecutorAddr,
SPSNamedExecutorAddrRangeSequenceMap>;
using SPSMachOJITDylibInitializerSequence =
SPSSequence<SPSMachOJITDylibInitializers>;
/// Serialization traits for MachOJITDylibInitializers.
template <>
class SPSSerializationTraits<SPSMachOJITDylibInitializers,
macho::MachOJITDylibInitializers> {
public:
static size_t size(const macho::MachOJITDylibInitializers &MOJDIs) {
return SPSMachOJITDylibInitializers::AsArgList::size(
MOJDIs.Name, MOJDIs.MachOHeaderAddress, MOJDIs.ObjCImageInfoAddress,
MOJDIs.InitSections);
}
static bool serialize(SPSOutputBuffer &OB,
const macho::MachOJITDylibInitializers &MOJDIs) {
return SPSMachOJITDylibInitializers::AsArgList::serialize(
OB, MOJDIs.Name, MOJDIs.MachOHeaderAddress, MOJDIs.ObjCImageInfoAddress,
MOJDIs.InitSections);
}
static bool deserialize(SPSInputBuffer &IB,
macho::MachOJITDylibInitializers &MOJDIs) {
return SPSMachOJITDylibInitializers::AsArgList::deserialize(
IB, MOJDIs.Name, MOJDIs.MachOHeaderAddress, MOJDIs.ObjCImageInfoAddress,
MOJDIs.InitSections);
}
};
} // end namespace __orc_rt
#endif // ORC_RT_MACHO_PLATFORM_H
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