mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-08 11:00:18 +02:00
Paulo Matos
2b4ec88dae
This follows discussions from #3413. Followup commits add clang-format file, script and blame ignore lists.
104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
// SPDX-License-Identifier: MIT
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/*
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$info$
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tags: LinuxSyscalls|syscalls-x86-64
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$end_info$
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*/
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#include "LinuxSyscalls/Syscalls.h"
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#include "LinuxSyscalls/x64/Syscalls.h"
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#include "LinuxSyscalls/x64/SyscallsEnum.h"
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#include <FEXCore/HLE/SyscallHandler.h>
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namespace FEX::HLE::x64 {
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void RegisterEpoll(FEX::HLE::SyscallHandler* Handler);
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void RegisterFD(FEX::HLE::SyscallHandler* Handler);
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void RegisterInfo(FEX::HLE::SyscallHandler* Handler);
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void RegisterMemory(FEX::HLE::SyscallHandler* Handler);
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void RegisterSemaphore(FEX::HLE::SyscallHandler* Handler);
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void RegisterSignals(FEX::HLE::SyscallHandler* Handler);
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void RegisterThread(FEX::HLE::SyscallHandler* Handler);
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void RegisterTime(FEX::HLE::SyscallHandler* Handler);
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void RegisterNotImplemented(FEX::HLE::SyscallHandler* Handler);
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void RegisterPassthrough(FEX::HLE::SyscallHandler* Handler);
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x64SyscallHandler::x64SyscallHandler(FEXCore::Context::Context* ctx, FEX::HLE::SignalDelegator* _SignalDelegation)
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: SyscallHandler {ctx, _SignalDelegation} {
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OSABI = FEXCore::HLE::SyscallOSABI::OS_LINUX64;
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RegisterSyscallHandlers();
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}
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void x64SyscallHandler::RegisterSyscallHandlers() {
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auto cvt = [](auto in) {
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union {
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decltype(in) val;
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void* raw;
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} raw;
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raw.val = in;
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return raw.raw;
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};
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Definitions.resize(FEX::HLE::x64::SYSCALL_x64_MAX, SyscallFunctionDefinition {
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.NumArgs = 255,
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.Ptr = cvt(&UnimplementedSyscall),
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});
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FEX::HLE::RegisterEpoll(this);
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FEX::HLE::RegisterFD(this);
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FEX::HLE::RegisterFS(this);
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FEX::HLE::RegisterInfo(this);
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FEX::HLE::RegisterIO(this);
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FEX::HLE::RegisterMemory(this);
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FEX::HLE::RegisterSignals(this);
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FEX::HLE::RegisterThread(this);
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FEX::HLE::RegisterTimer(this);
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FEX::HLE::RegisterNotImplemented(this);
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FEX::HLE::RegisterStubs(this);
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// 64bit specific
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FEX::HLE::x64::RegisterEpoll(this);
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FEX::HLE::x64::RegisterFD(this);
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FEX::HLE::x64::RegisterInfo(this);
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FEX::HLE::x64::RegisterMemory(this);
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FEX::HLE::x64::RegisterSemaphore(this);
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FEX::HLE::x64::RegisterSignals(this);
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FEX::HLE::x64::RegisterThread(this);
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FEX::HLE::x64::RegisterTime(this);
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FEX::HLE::x64::RegisterNotImplemented(this);
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FEX::HLE::x64::RegisterPassthrough(this);
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// x86-64 has a gap of syscalls in the range of [335, 424) where there aren't any
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// These are defined that these must return -ENOSYS
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// This allows x86-64 to start using the common syscall numbers
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// Fill the gap to ensure that FEX doesn't assert
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constexpr int SYSCALL_GAP_BEGIN = 335;
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constexpr int SYSCALL_GAP_END = 424;
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for (int SyscallNumber = SYSCALL_GAP_BEGIN; SyscallNumber < SYSCALL_GAP_END; ++SyscallNumber) {
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auto& Def = Definitions.at(SyscallNumber);
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Def.Ptr = cvt(&UnimplementedSyscallSafe);
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Def.NumArgs = 0;
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Def.Flags = FEXCore::IR::SyscallFlags::DEFAULT;
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// This will allow our syscall optimization code to make this code more optimal
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// Unlikely to hit a hot path though
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Def.HostSyscallNumber = SYSCALL_DEF(MAX);
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#ifdef DEBUG_STRACE
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Def.StraceFmt = "Invalid";
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#endif
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}
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#if PRINT_MISSING_SYSCALLS
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for (auto& Syscall : SyscallNames) {
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if (Definitions[Syscall.first].Ptr == cvt(&UnimplementedSyscall)) {
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LogMan::Msg::DFmt("Unimplemented syscall: {}", Syscall.second);
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}
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}
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#endif
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}
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fextl::unique_ptr<FEX::HLE::SyscallHandler> CreateHandler(FEXCore::Context::Context* ctx, FEX::HLE::SignalDelegator* _SignalDelegation) {
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return fextl::make_unique<x64SyscallHandler>(ctx, _SignalDelegation);
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}
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} // namespace FEX::HLE::x64
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