mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-10 21:00:19 +02:00
Ryan Houdek
2d573f7bf9
Due to the way this syscall handles siginfo_t, we only need to shift data through the padding. This is due to the syscall not allowing you to send siginfo_t with si_code being positive. Which is what the kernel uses to interpret the data if it is reinterpreting it.
67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
/*
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$info$
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tags: LinuxSyscalls|syscalls-shared
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$end_info$
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*/
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#include "Tests/LinuxSyscalls/SignalDelegator.h"
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#include "Tests/LinuxSyscalls/Syscalls.h"
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#include "Tests/LinuxSyscalls/Syscalls/Thread.h"
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#include "Tests/LinuxSyscalls/x64/Syscalls.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 {
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void RegisterSignals(FEX::HLE::SyscallHandler *const Handler) {
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REGISTER_SYSCALL_IMPL(rt_sigprocmask, [](FEXCore::Core::CpuStateFrame *Frame, int how, const uint64_t *set, uint64_t *oldset) -> uint64_t {
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->GuestSigProcMask(how, set, oldset);
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});
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REGISTER_SYSCALL_IMPL(rt_sigpending, [](FEXCore::Core::CpuStateFrame *Frame, uint64_t *set, size_t sigsetsize) -> uint64_t {
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->GuestSigPending(set, sigsetsize);
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});
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REGISTER_SYSCALL_IMPL(rt_sigsuspend, [](FEXCore::Core::CpuStateFrame *Frame, uint64_t *unewset, size_t sigsetsize) -> uint64_t {
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->GuestSigSuspend(unewset, sigsetsize);
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});
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REGISTER_SYSCALL_IMPL(userfaultfd, [](FEXCore::Core::CpuStateFrame *Frame, int flags) -> uint64_t {
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// Disable userfaultfd until we can properly emulate it
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// This is okay because the kernel configuration allows you to disable it at compile time
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return -ENOSYS;
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uint64_t Result = ::syscall(SYSCALL_DEF(userfaultfd), flags);
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SYSCALL_ERRNO();
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});
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REGISTER_SYSCALL_IMPL(signalfd, [](FEXCore::Core::CpuStateFrame *Frame, int fd, const uint64_t *mask, size_t sigsetsize) -> uint64_t {
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->GuestSignalFD(fd, mask, sigsetsize, 0);
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});
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REGISTER_SYSCALL_IMPL(signalfd4, [](FEXCore::Core::CpuStateFrame *Frame, int fd, const uint64_t *mask, size_t sigsetsize, int flags) -> uint64_t {
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->GuestSignalFD(fd, mask, sigsetsize, flags);
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});
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REGISTER_SYSCALL_IMPL_PASS(rt_sigqueueinfo, [](FEXCore::Core::CpuStateFrame *Frame, pid_t pid, int sig, siginfo_t *info) -> uint64_t {
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uint64_t Result = ::syscall(SYSCALL_DEF(rt_sigqueueinfo), pid, sig, info);
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SYSCALL_ERRNO();
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});
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// XXX: siginfo_t definitely isn't correct for 32-bit
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REGISTER_SYSCALL_IMPL_PASS(rt_tgsigqueueinfo, [](FEXCore::Core::CpuStateFrame *Frame, pid_t tgid, pid_t tid, int sig, siginfo_t *info) -> uint64_t {
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uint64_t Result = ::syscall(SYSCALL_DEF(rt_tgsigqueueinfo), tgid, tid, sig, info);
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SYSCALL_ERRNO();
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});
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}
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}
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