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https://github.com/FEX-Emu/FEX.git
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Scott Mansell
6ed36e3304
The vast majoirty of syscalls don't need anything in thread or frame. So lets save an indirection for all those syscalls. Most of the syscalls which do need Thread (or CTX via Thread are in Thread.cpp or Memory.cpp These have all been modifiy to fetch Thread from Frame
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
#include "Tests/LinuxSyscalls/Syscalls.h"
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#include "Tests/LinuxSyscalls/Syscalls/Thread.h"
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#include "Tests/LinuxSyscalls/x32/Syscalls.h"
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#include <FEXCore/Core/X86Enums.h>
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#include <FEXCore/Core/SignalDelegator.h>
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#include <signal.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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namespace SignalDelegator {
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struct GuestSigAction;
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}
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namespace FEX::HLE::x32 {
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void RegisterSignals() {
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REGISTER_SYSCALL_IMPL_X32(signal, [](FEXCore::Core::CpuStateFrame *Frame, int signum, uint32_t handler) -> uint64_t {
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FEXCore::GuestSigAction newact{};
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FEXCore::GuestSigAction oldact{};
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newact.sigaction_handler.handler = reinterpret_cast<decltype(newact.sigaction_handler.handler)>(handler);
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FEX::HLE::_SyscallHandler->GetSignalDelegator()->RegisterGuestSignalHandler(signum, &newact, &oldact);
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return static_cast<uint32_t>(reinterpret_cast<uint64_t>(oldact.sigaction_handler.handler));
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});
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REGISTER_SYSCALL_IMPL_X32(rt_sigaction, [](FEXCore::Core::CpuStateFrame *Frame, int signum, const GuestSigAction_32 *act, GuestSigAction_32 *oldact) -> uint64_t {
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FEXCore::GuestSigAction *act64_p{};
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FEXCore::GuestSigAction *old64_p{};
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FEXCore::GuestSigAction act64{};
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if (act) {
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act64 = *act;
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act64_p = &act64;
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}
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FEXCore::GuestSigAction old64{};
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if (oldact) {
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old64_p = &old64;
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}
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uint64_t Result = FEX::HLE::_SyscallHandler->GetSignalDelegator()->RegisterGuestSignalHandler(signum, act64_p, old64_p);
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if (Result != -1 && oldact) {
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*oldact = old64;
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}
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SYSCALL_ERRNO();
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});
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}
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}
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