Revert Android changes

* "Android: NCE support" - Commit cd3221ab

* "Android: Numerous fixes" - Commit 19dd23c2

* "Android: Memory specific switches" - Commit 98b4ff33

* "Android: Remove unmanaged code" - Commit 846b5b6e
This commit is contained in:
KeatonTheBot
2025-09-14 14:51:44 -05:00
parent 3a387309b4
commit fe7a30c747
62 changed files with 138 additions and 5440 deletions
+1 -22
View File
@@ -89,16 +89,10 @@ namespace Ryujinx.Cpu.Signal
ref SignalHandlerConfig config = ref GetConfigRef();
if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS() || PlatformInfo.IsBionic)
if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
_signalHandlerPtr = MapCode(NativeSignalHandlerGenerator.GenerateUnixSignalHandler(_handlerConfig, rangeStructSize));
if (PlatformInfo.IsBionic)
{
config.StructAddressOffset = 16; // si_addr
config.StructWriteOffset = 8; // si_code
}
if (customSignalHandlerFactory != null)
{
_signalHandlerPtr = customSignalHandlerFactory(UnixSignalHandlerRegistration.GetSegfaultExceptionHandler().sa_handler, _signalHandlerPtr);
@@ -128,21 +122,6 @@ namespace Ryujinx.Cpu.Signal
}
}
public static void InstallUnixAlternateStackForCurrentThread(IntPtr stackPtr, ulong stackSize)
{
UnixSignalHandlerRegistration.RegisterAlternateStack(stackPtr, stackSize);
}
public static void UninstallUnixAlternateStackForCurrentThread()
{
UnixSignalHandlerRegistration.UnregisterAlternateStack();
}
public static void InstallUnixSignalHandler(int sigNum, IntPtr action)
{
UnixSignalHandlerRegistration.RegisterExceptionHandler(sigNum, action);
}
private static IntPtr MapCode(ReadOnlySpan<byte> code)
{
Debug.Assert(_codeBlock == null);
@@ -1,8 +1,6 @@
using Ryujinx.Common;
using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
namespace Ryujinx.Cpu.Signal
{
@@ -24,73 +22,26 @@ namespace Ryujinx.Cpu.Signal
public IntPtr sa_restorer;
}
[SupportedOSPlatform("android"), StructLayout(LayoutKind.Sequential, Pack = 8)]
public struct SigActionBionic
{
public int sa_flags;
public IntPtr sa_handler;
public SigSet sa_mask;
public IntPtr sa_restorer;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
public struct Stack
{
public IntPtr ss_sp;
public int ss_flags;
public IntPtr ss_size;
}
private const int SIGSEGV = 11;
private const int SIGBUS = 10;
private const int SA_SIGINFO = 0x00000004;
private const int SA_ONSTACK = 0x08000000;
private const int SS_DISABLE = 2;
private const int SS_AUTODISARM = 1 << 31;
[LibraryImport("libc", SetLastError = true)]
private static partial int sigaction(int signum, ref SigAction sigAction, out SigAction oldAction);
[SupportedOSPlatform("android"), LibraryImport("libc", SetLastError = true)]
private static partial int sigaction(int signum, ref SigActionBionic sigAction, out SigActionBionic oldAction);
[LibraryImport("libc", SetLastError = true)]
private static partial int sigaction(int signum, IntPtr sigAction, out SigAction oldAction);
[SupportedOSPlatform("android"), LibraryImport("libc", SetLastError = true)]
private static partial int sigaction(int signum, IntPtr sigAction, out SigActionBionic oldAction);
[LibraryImport("libc", SetLastError = true)]
private static partial int sigemptyset(ref SigSet set);
[LibraryImport("libc", SetLastError = true)]
private static partial int sigaltstack(ref Stack ss, out Stack oldSs);
public static SigAction GetSegfaultExceptionHandler()
{
int result;
SigAction old;
if (PlatformInfo.IsBionic)
{
result = sigaction(SIGSEGV, IntPtr.Zero, out SigActionBionic tmp);
old = new SigAction
{
sa_handler = tmp.sa_handler,
sa_mask = tmp.sa_mask,
sa_flags = tmp.sa_flags,
sa_restorer = tmp.sa_restorer
};
}
else
{
result = sigaction(SIGSEGV, IntPtr.Zero, out old);
}
int result = sigaction(SIGSEGV, IntPtr.Zero, out SigAction old);
if (result != 0)
{
throw new SystemException($"Could not get SIGSEGV sigaction. Error: {Marshal.GetLastPInvokeErrorMessage()}");
throw new InvalidOperationException($"Could not get SIGSEGV sigaction. Error: {result}");
}
return old;
@@ -98,167 +49,37 @@ namespace Ryujinx.Cpu.Signal
public static SigAction RegisterExceptionHandler(IntPtr action)
{
int result;
SigAction old;
if (PlatformInfo.IsBionic)
SigAction sig = new()
{
SigActionBionic sig = new()
{
sa_handler = action,
sa_flags = SA_SIGINFO | SA_ONSTACK,
};
sa_handler = action,
sa_flags = SA_SIGINFO,
};
sigemptyset(ref sig.sa_mask);
sigemptyset(ref sig.sa_mask);
result = sigaction(SIGSEGV, ref sig, out SigActionBionic tmp);
int result = sigaction(SIGSEGV, ref sig, out SigAction old);
old = new SigAction
{
sa_handler = tmp.sa_handler,
sa_mask = tmp.sa_mask,
sa_flags = tmp.sa_flags,
sa_restorer = tmp.sa_restorer
};
if (result != 0)
{
throw new InvalidOperationException($"Could not register SIGSEGV sigaction. Error: {result}");
}
else
if (OperatingSystem.IsMacOS())
{
SigAction sig = new SigAction
{
sa_handler = action,
sa_flags = SA_SIGINFO,
};
sigemptyset(ref sig.sa_mask);
result = sigaction(SIGSEGV, ref sig, out old);
result = sigaction(SIGBUS, ref sig, out _);
if (result != 0)
{
throw new SystemException($"Could not register SIGSEGV sigaction. Error: {Marshal.GetLastPInvokeErrorMessage()}");
}
if (OperatingSystem.IsMacOS() || OperatingSystem.IsIOS())
{
result = sigaction(SIGBUS, ref sig, out _);
if (result != 0)
{
throw new SystemException($"Could not register SIGBUS sigaction. Error: {Marshal.GetLastPInvokeErrorMessage()}");
}
throw new InvalidOperationException($"Could not register SIGBUS sigaction. Error: {result}");
}
}
return old;
}
public static void RegisterAlternateStack(IntPtr stackPtr, ulong stackSize)
{
Stack stack = new()
{
ss_sp = stackPtr,
ss_flags = SS_AUTODISARM,
ss_size = (IntPtr)stackSize
};
int result = sigaltstack(ref stack, out _);
if (result != 0)
{
throw new SystemException($"Could not set alternate stack. Error: {Marshal.GetLastPInvokeErrorMessage()}");
}
}
public static void UnregisterAlternateStack()
{
Stack stack = new()
{
ss_flags = SS_DISABLE
};
int result = sigaltstack(ref stack, out _);
if (result != 0)
{
throw new SystemException($"Could not remove alternate stack. Error: {Marshal.GetLastPInvokeErrorMessage()}");
}
}
public static void RegisterExceptionHandler(int sigNum, IntPtr action)
{
int result;
if (PlatformInfo.IsBionic)
{
SigActionBionic sig = new()
{
sa_handler = action,
sa_flags = SA_SIGINFO | SA_ONSTACK
};
sigemptyset(ref sig.sa_mask);
result = sigaction(sigNum, ref sig, out SigActionBionic oldu);
if (oldu.sa_handler != IntPtr.Zero)
{
throw new InvalidOperationException($"SIG{sigNum} is already in use.");
}
if (result != 0)
{
throw new SystemException($"Could not register SIG{sigNum} sigaction. Error: {Marshal.GetLastPInvokeErrorMessage()}");
}
}
else
{
SigAction sig = new()
{
sa_handler = action,
sa_flags = SA_SIGINFO | SA_ONSTACK,
};
sigemptyset(ref sig.sa_mask);
result = sigaction(sigNum, ref sig, out SigAction oldu);
if (oldu.sa_handler != IntPtr.Zero)
{
throw new InvalidOperationException($"SIG{sigNum} is already in use.");
}
if (result != 0)
{
throw new SystemException($"Could not register SIG{sigNum} sigaction. Error: {Marshal.GetLastPInvokeErrorMessage()}");
}
}
}
public static bool RestoreExceptionHandler(SigAction oldAction)
{
if (PlatformInfo.IsBionic)
{
SigActionBionic tmp = new SigActionBionic
{
sa_handler = oldAction.sa_handler,
sa_mask = oldAction.sa_mask,
sa_flags = oldAction.sa_flags,
sa_restorer = oldAction.sa_restorer
};
return sigaction(SIGSEGV, ref tmp, out SigActionBionic _) == 0;
}
else
{
bool success = sigaction(SIGSEGV, ref oldAction, out SigAction _) == 0;
if (success && (OperatingSystem.IsMacOS() || OperatingSystem.IsIOS()))
{
success = sigaction(SIGBUS, ref oldAction, out SigAction _) == 0;
}
return success;
}
return sigaction(SIGSEGV, ref oldAction, out SigAction _) == 0 && (!OperatingSystem.IsMacOS() || sigaction(SIGBUS, ref oldAction, out SigAction _) == 0);
}
}
}