mirror of
https://github.com/par274/sharpemu.git
synced 2026-07-15 23:46:15 +08:00
ParantezTech
1067 lines
37 KiB
C#
1067 lines
37 KiB
C#
// Copyright (C) 2026 SharpEmu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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using SharpEmu.HLE;
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using System.Threading;
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using System.Diagnostics.CodeAnalysis;
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namespace SharpEmu.Libs.Kernel;
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public static class KernelPthreadCompatExports
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{
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private const int MutexTypeDefault = 1;
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private const int MutexTypeErrorCheck = 1;
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private const int MutexTypeRecursive = 2;
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private const int MutexTypeNormal = 3;
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private const int MutexTypeAdaptiveNp = 4;
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private const ulong StaticAdaptiveMutexInitializer = 1;
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private const ulong SyntheticMutexHandleBase = 0x00006000_0000_0000;
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private const ulong SyntheticMutexAttrHandleBase = 0x00006001_0000_0000;
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private const ulong SyntheticCondHandleBase = 0x00006002_0000_0000;
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private static readonly object _stateGate = new();
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private static readonly Dictionary<ulong, PthreadMutexState> _mutexStates = new();
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private static readonly Dictionary<ulong, PthreadMutexAttrState> _mutexAttrStates = new();
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private static readonly Dictionary<ulong, PthreadCondState> _condStates = new();
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private static readonly HashSet<ulong> _condAttrStates = new();
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private static long _nextSyntheticMutexHandleId = 1;
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private static long _nextSyntheticMutexAttrHandleId = 1;
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private static long _nextSyntheticCondHandleId = 1;
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private sealed class PthreadMutexState
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{
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public SemaphoreSlim Semaphore { get; } = new(1, 1);
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public ulong OwnerThreadId { get; set; }
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public int RecursionCount { get; set; }
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public int Type { get; set; } = MutexTypeDefault;
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public int Protocol { get; set; }
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}
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private sealed class PthreadCondState
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{
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public object SyncRoot { get; } = new();
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public ulong SignalEpoch { get; set; }
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public int Waiters { get; set; }
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}
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private readonly record struct PthreadMutexAttrState(int Type, int Protocol);
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[SysAbiExport(
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Nid = "aI+OeCz8xrQ",
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ExportName = "scePthreadSelf",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadSelf(CpuContext ctx)
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{
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var currentThreadHandle = KernelPthreadState.GetCurrentThreadHandle();
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ctx[CpuRegister.Rax] = currentThreadHandle;
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TracePthreadSelf(ctx, currentThreadHandle);
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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[SysAbiExport(
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Nid = "3PtV6p3QNX4",
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ExportName = "scePthreadEqual",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadEqual(CpuContext ctx)
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{
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var left = ctx[CpuRegister.Rdi];
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var right = ctx[CpuRegister.Rsi];
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ctx[CpuRegister.Rax] = left == right ? 1UL : 0UL;
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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[SysAbiExport(
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Nid = "T72hz6ffq08",
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ExportName = "scePthreadYield",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadYield(CpuContext ctx)
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{
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_ = ctx;
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Thread.Yield();
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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[SysAbiExport(
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Nid = "EI-5-jlq2dE",
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ExportName = "scePthreadGetthreadid",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadGetthreadid(CpuContext ctx) => PthreadGetthreadidCore(ctx);
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[SysAbiExport(
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Nid = "3eqs37G74-s",
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ExportName = "pthread_getthreadid_np",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadGetthreadidNp(CpuContext ctx) => PthreadGetthreadidCore(ctx);
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[SysAbiExport(
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Nid = "cmo1RIYva9o",
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ExportName = "scePthreadMutexInit",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexInit(CpuContext ctx) => PthreadMutexInitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi]);
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[SysAbiExport(
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Nid = "2Of0f+3mhhE",
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ExportName = "scePthreadMutexDestroy",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexDestroy(CpuContext ctx) => PthreadMutexDestroyCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "9UK1vLZQft4",
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ExportName = "scePthreadMutexLock",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexLock(CpuContext ctx) => PthreadMutexLockCore(ctx, ctx[CpuRegister.Rdi], tryOnly: false);
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[SysAbiExport(
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Nid = "upoVrzMHFeE",
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ExportName = "scePthreadMutexTrylock",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexTrylock(CpuContext ctx) => PthreadMutexLockCore(ctx, ctx[CpuRegister.Rdi], tryOnly: true);
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[SysAbiExport(
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Nid = "tn3VlD0hG60",
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ExportName = "scePthreadMutexUnlock",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexUnlock(CpuContext ctx) => PthreadMutexUnlockCore(ctx, ctx[CpuRegister.Rdi], requireOwner: true);
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[SysAbiExport(
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Nid = "ttHNfU+qDBU",
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ExportName = "pthread_mutex_init",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexInit(CpuContext ctx) => PthreadMutexInitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi]);
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[SysAbiExport(
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Nid = "ltCfaGr2JGE",
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ExportName = "pthread_mutex_destroy",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexDestroy(CpuContext ctx) => PthreadMutexDestroyCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "7H0iTOciTLo",
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ExportName = "pthread_mutex_lock",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexLock(CpuContext ctx) => PthreadMutexLockCore(ctx, ctx[CpuRegister.Rdi], tryOnly: false);
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[SysAbiExport(
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Nid = "K-jXhbt2gn4",
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ExportName = "pthread_mutex_trylock",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexTrylock(CpuContext ctx) => PthreadMutexLockCore(ctx, ctx[CpuRegister.Rdi], tryOnly: true);
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[SysAbiExport(
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Nid = "2Z+PpY6CaJg",
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ExportName = "pthread_mutex_unlock",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexUnlock(CpuContext ctx) => PthreadMutexUnlockCore(ctx, ctx[CpuRegister.Rdi], requireOwner: true);
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private static int PthreadGetthreadidCore(CpuContext ctx)
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{
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ctx[CpuRegister.Rax] = KernelPthreadState.GetCurrentThreadUniqueId();
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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[SysAbiExport(
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Nid = "F8bUHwAG284",
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ExportName = "scePthreadMutexattrInit",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexattrInit(CpuContext ctx) => PthreadMutexattrInitCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "smWEktiyyG0",
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ExportName = "scePthreadMutexattrDestroy",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexattrDestroy(CpuContext ctx) => PthreadMutexattrDestroyCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "iMp8QpE+XO4",
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ExportName = "scePthreadMutexattrSettype",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexattrSettype(CpuContext ctx) => PthreadMutexattrSettypeCore(ctx, ctx[CpuRegister.Rdi], unchecked((int)ctx[CpuRegister.Rsi]));
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[SysAbiExport(
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Nid = "1FGvU0i9saQ",
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ExportName = "scePthreadMutexattrSetprotocol",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadMutexattrSetprotocol(CpuContext ctx) => PthreadMutexattrSetprotocolCore(ctx, ctx[CpuRegister.Rdi], unchecked((int)ctx[CpuRegister.Rsi]));
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[SysAbiExport(
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Nid = "dQHWEsJtoE4",
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ExportName = "pthread_mutexattr_init",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexattrInit(CpuContext ctx) => PthreadMutexattrInitCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "HF7lK46xzjY",
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ExportName = "pthread_mutexattr_destroy",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexattrDestroy(CpuContext ctx) => PthreadMutexattrDestroyCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "mDmgMOGVUqg",
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ExportName = "pthread_mutexattr_settype",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexattrSettype(CpuContext ctx) => PthreadMutexattrSettypeCore(ctx, ctx[CpuRegister.Rdi], unchecked((int)ctx[CpuRegister.Rsi]));
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[SysAbiExport(
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Nid = "5txKfcMUAok",
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ExportName = "pthread_mutexattr_setprotocol",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadMutexattrSetprotocol(CpuContext ctx) => PthreadMutexattrSetprotocolCore(ctx, ctx[CpuRegister.Rdi], unchecked((int)ctx[CpuRegister.Rsi]));
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[SysAbiExport(
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Nid = "2Tb92quprl0",
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ExportName = "scePthreadCondInit",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondInit(CpuContext ctx) => PthreadCondInitCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "0TyVk4MSLt0",
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ExportName = "pthread_cond_init",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadCondInit(CpuContext ctx) => PthreadCondInitCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "g+PZd2hiacg",
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ExportName = "scePthreadCondDestroy",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondDestroy(CpuContext ctx) => PthreadCondDestroyCore(ctx, ctx[CpuRegister.Rdi]);
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[SysAbiExport(
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Nid = "WKAXJ4XBPQ4",
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ExportName = "scePthreadCondWait",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondWait(CpuContext ctx) => PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: false);
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[SysAbiExport(
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Nid = "BmMjYxmew1w",
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ExportName = "scePthreadCondTimedwait",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondTimedwait(CpuContext ctx) => PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: true, timeoutUsec: unchecked((uint)ctx[CpuRegister.Rdx]));
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[SysAbiExport(
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Nid = "kDh-NfxgMtE",
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ExportName = "scePthreadCondSignal",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondSignal(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: false);
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[SysAbiExport(
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Nid = "JGgj7Uvrl+A",
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ExportName = "scePthreadCondBroadcast",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondBroadcast(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: true);
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[SysAbiExport(
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Nid = "Op8TBGY5KHg",
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ExportName = "pthread_cond_wait",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadCondWait(CpuContext ctx) => PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: false);
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[SysAbiExport(
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Nid = "mkx2fVhNMsg",
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ExportName = "pthread_cond_broadcast",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadCondBroadcast(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: true);
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[SysAbiExport(
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Nid = "2MOy+rUfuhQ",
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ExportName = "pthread_cond_signal",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PosixPthreadCondSignal(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: false);
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[SysAbiExport(
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Nid = "m5-2bsNfv7s",
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ExportName = "scePthreadCondattrInit",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondattrInit(CpuContext ctx)
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{
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var attrAddress = ctx[CpuRegister.Rdi];
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if (attrAddress == 0)
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{
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
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}
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lock (_stateGate)
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{
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_condAttrStates.Add(attrAddress);
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}
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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[SysAbiExport(
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Nid = "waPcxYiR3WA",
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ExportName = "scePthreadCondattrDestroy",
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Target = Generation.Gen4 | Generation.Gen5,
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LibraryName = "libKernel")]
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public static int PthreadCondattrDestroy(CpuContext ctx)
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{
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var attrAddress = ctx[CpuRegister.Rdi];
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if (attrAddress == 0)
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{
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
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}
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lock (_stateGate)
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{
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_condAttrStates.Remove(attrAddress);
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}
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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private static int PthreadMutexInitCore(CpuContext ctx, ulong mutexAddress, ulong attrAddress)
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{
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if (mutexAddress == 0)
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{
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
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}
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var attr = ResolveMutexAttrState(ctx, attrAddress);
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var state = new PthreadMutexState
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{
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Type = attr.Type,
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Protocol = attr.Protocol,
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};
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var syntheticHandle = AllocateSyntheticHandle(SyntheticMutexHandleBase, ref _nextSyntheticMutexHandleId);
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lock (_stateGate)
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{
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_mutexStates[mutexAddress] = state;
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_mutexStates[syntheticHandle] = state;
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}
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_ = ctx.TryWriteUInt64(mutexAddress, syntheticHandle);
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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private static int PthreadMutexDestroyCore(CpuContext ctx, ulong mutexAddress)
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{
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if (mutexAddress == 0)
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{
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
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}
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var resolvedAddress = ResolveMutexHandle(ctx, mutexAddress);
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PthreadMutexState? state;
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lock (_stateGate)
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{
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_mutexStates.TryGetValue(resolvedAddress, out state);
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_mutexStates.Remove(resolvedAddress);
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if (resolvedAddress != mutexAddress)
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{
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_mutexStates.Remove(mutexAddress);
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}
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}
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if (state is null)
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{
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
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}
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_ = ctx.TryWriteUInt64(mutexAddress, 0);
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state.Semaphore.Dispose();
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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private static int PthreadMutexLockCore(CpuContext ctx, ulong mutexAddress, bool tryOnly)
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{
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if (mutexAddress == 0)
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{
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
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}
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if (!TryResolveMutexState(ctx, mutexAddress, createIfZero: true, out var resolvedAddress, out var state))
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{
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TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, null, KernelPthreadState.GetCurrentThreadHandle(), (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
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}
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var currentThreadId = KernelPthreadState.GetCurrentThreadHandle();
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lock (state)
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{
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if (state.OwnerThreadId == currentThreadId)
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{
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if (state.Type == MutexTypeRecursive)
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{
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state.RecursionCount++;
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TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_OK);
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return (int)OrbisGen2Result.ORBIS_GEN2_OK;
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}
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if (state.Type is MutexTypeNormal or MutexTypeAdaptiveNp)
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{
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if (tryOnly)
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{
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TracePthreadMutex(ctx, "trylock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY);
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return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
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}
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// Normal/adaptive mutexes do not report EDEADLK on self-lock.
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// Under the current single-host-thread guest execution model,
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// treating them as nested ownership keeps init paths moving
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// without turning a would-block path into a hard error.
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state.RecursionCount++;
|
|
TracePthreadMutex(ctx, "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_OK);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
var ownedResult = tryOnly
|
|
? (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY
|
|
: (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DEADLOCK;
|
|
TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, ownedResult);
|
|
return ownedResult;
|
|
}
|
|
}
|
|
|
|
var acquired = true;
|
|
if (tryOnly)
|
|
{
|
|
acquired = state.Semaphore.Wait(0);
|
|
}
|
|
else
|
|
{
|
|
state.Semaphore.Wait();
|
|
}
|
|
if (!acquired)
|
|
{
|
|
TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
|
|
}
|
|
|
|
lock (state)
|
|
{
|
|
state.OwnerThreadId = currentThreadId;
|
|
state.RecursionCount = 1;
|
|
}
|
|
|
|
TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_OK);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadMutexUnlockCore(CpuContext ctx, ulong mutexAddress, bool requireOwner)
|
|
{
|
|
if (mutexAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
if (!TryResolveMutexState(ctx, mutexAddress, createIfZero: true, out var resolvedAddress, out var state))
|
|
{
|
|
TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, null, KernelPthreadState.GetCurrentThreadHandle(), (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
|
|
}
|
|
|
|
var currentThreadId = KernelPthreadState.GetCurrentThreadHandle();
|
|
var shouldRelease = false;
|
|
lock (state)
|
|
{
|
|
if (state.RecursionCount <= 0)
|
|
{
|
|
TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
if (requireOwner && state.OwnerThreadId != currentThreadId)
|
|
{
|
|
TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED;
|
|
}
|
|
|
|
state.RecursionCount--;
|
|
if (state.RecursionCount == 0)
|
|
{
|
|
state.OwnerThreadId = 0;
|
|
shouldRelease = true;
|
|
}
|
|
}
|
|
|
|
if (shouldRelease)
|
|
{
|
|
try
|
|
{
|
|
state.Semaphore.Release();
|
|
}
|
|
catch (SemaphoreFullException)
|
|
{
|
|
TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
}
|
|
|
|
TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_OK);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadMutexattrInitCore(CpuContext ctx, ulong attrAddress)
|
|
{
|
|
if (attrAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
var syntheticHandle = AllocateSyntheticHandle(SyntheticMutexAttrHandleBase, ref _nextSyntheticMutexAttrHandleId);
|
|
lock (_stateGate)
|
|
{
|
|
_mutexAttrStates[attrAddress] = new PthreadMutexAttrState(MutexTypeDefault, 0);
|
|
_mutexAttrStates[syntheticHandle] = new PthreadMutexAttrState(MutexTypeDefault, 0);
|
|
}
|
|
|
|
_ = ctx.TryWriteUInt64(attrAddress, syntheticHandle);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadMutexattrDestroyCore(CpuContext ctx, ulong attrAddress)
|
|
{
|
|
if (attrAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
var resolvedAddress = ResolveMutexAttrHandle(ctx, attrAddress);
|
|
lock (_stateGate)
|
|
{
|
|
_mutexAttrStates.Remove(resolvedAddress);
|
|
if (resolvedAddress != attrAddress)
|
|
{
|
|
_mutexAttrStates.Remove(attrAddress);
|
|
}
|
|
}
|
|
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadMutexattrSettypeCore(CpuContext ctx, ulong attrAddress, int type)
|
|
{
|
|
if (attrAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
var resolvedAddress = ResolveMutexAttrHandle(ctx, attrAddress);
|
|
lock (_stateGate)
|
|
{
|
|
if (!_mutexAttrStates.TryGetValue(resolvedAddress, out var state))
|
|
{
|
|
state = new PthreadMutexAttrState(MutexTypeDefault, 0);
|
|
}
|
|
|
|
_mutexAttrStates[resolvedAddress] = state with { Type = NormalizeMutexType(type) };
|
|
if (resolvedAddress != attrAddress)
|
|
{
|
|
_mutexAttrStates[attrAddress] = _mutexAttrStates[resolvedAddress];
|
|
}
|
|
}
|
|
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadMutexattrSetprotocolCore(CpuContext ctx, ulong attrAddress, int protocol)
|
|
{
|
|
if (attrAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
var resolvedAddress = ResolveMutexAttrHandle(ctx, attrAddress);
|
|
lock (_stateGate)
|
|
{
|
|
if (!_mutexAttrStates.TryGetValue(resolvedAddress, out var state))
|
|
{
|
|
state = new PthreadMutexAttrState(MutexTypeDefault, 0);
|
|
}
|
|
|
|
_mutexAttrStates[resolvedAddress] = state with { Protocol = protocol };
|
|
if (resolvedAddress != attrAddress)
|
|
{
|
|
_mutexAttrStates[attrAddress] = _mutexAttrStates[resolvedAddress];
|
|
}
|
|
}
|
|
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static ulong ResolveMutexHandle(CpuContext ctx, ulong mutexAddress)
|
|
{
|
|
if (mutexAddress == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexStates.ContainsKey(mutexAddress))
|
|
{
|
|
return mutexAddress;
|
|
}
|
|
}
|
|
|
|
if (ctx.TryReadUInt64(mutexAddress, out var pointedHandle) && pointedHandle != 0)
|
|
{
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexStates.ContainsKey(pointedHandle))
|
|
{
|
|
return pointedHandle;
|
|
}
|
|
}
|
|
}
|
|
|
|
return mutexAddress;
|
|
}
|
|
|
|
private static bool TryResolveMutexState(CpuContext ctx, ulong mutexAddress, bool createIfZero, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadMutexState? state)
|
|
{
|
|
resolvedAddress = 0;
|
|
state = null;
|
|
if (mutexAddress == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexStates.TryGetValue(mutexAddress, out state))
|
|
{
|
|
resolvedAddress = mutexAddress;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (!ctx.TryReadUInt64(mutexAddress, out var pointedHandle))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (pointedHandle == StaticAdaptiveMutexInitializer)
|
|
{
|
|
return CreateImplicitMutexState(ctx, mutexAddress, MutexTypeAdaptiveNp, out resolvedAddress, out state);
|
|
}
|
|
|
|
if (pointedHandle != 0)
|
|
{
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexStates.TryGetValue(pointedHandle, out state))
|
|
{
|
|
_mutexStates[mutexAddress] = state;
|
|
resolvedAddress = pointedHandle;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
resolvedAddress = pointedHandle;
|
|
return false;
|
|
}
|
|
|
|
if (!createIfZero)
|
|
{
|
|
resolvedAddress = mutexAddress;
|
|
return false;
|
|
}
|
|
|
|
return CreateImplicitMutexState(ctx, mutexAddress, MutexTypeDefault, out resolvedAddress, out state);
|
|
}
|
|
|
|
private static ulong ResolveMutexAttrHandle(CpuContext ctx, ulong attrAddress)
|
|
{
|
|
if (attrAddress == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexAttrStates.ContainsKey(attrAddress))
|
|
{
|
|
return attrAddress;
|
|
}
|
|
}
|
|
|
|
if (ctx.TryReadUInt64(attrAddress, out var pointedHandle) && pointedHandle != 0)
|
|
{
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexAttrStates.ContainsKey(pointedHandle))
|
|
{
|
|
return pointedHandle;
|
|
}
|
|
}
|
|
}
|
|
|
|
return attrAddress;
|
|
}
|
|
|
|
private static PthreadMutexAttrState ResolveMutexAttrState(CpuContext ctx, ulong attrAddress)
|
|
{
|
|
if (attrAddress == 0)
|
|
{
|
|
return default;
|
|
}
|
|
|
|
var resolvedAddress = ResolveMutexAttrHandle(ctx, attrAddress);
|
|
lock (_stateGate)
|
|
{
|
|
return _mutexAttrStates.TryGetValue(resolvedAddress, out var state)
|
|
? state
|
|
: new PthreadMutexAttrState(MutexTypeDefault, 0);
|
|
}
|
|
}
|
|
|
|
private static ulong ResolveCondHandle(CpuContext ctx, ulong condAddress)
|
|
{
|
|
if (condAddress == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
lock (_stateGate)
|
|
{
|
|
if (_condStates.ContainsKey(condAddress))
|
|
{
|
|
return condAddress;
|
|
}
|
|
}
|
|
|
|
if (ctx.TryReadUInt64(condAddress, out var pointedHandle) && pointedHandle != 0)
|
|
{
|
|
lock (_stateGate)
|
|
{
|
|
if (_condStates.ContainsKey(pointedHandle))
|
|
{
|
|
return pointedHandle;
|
|
}
|
|
}
|
|
}
|
|
|
|
return condAddress;
|
|
}
|
|
|
|
private static bool TryResolveCondState(CpuContext? ctx, ulong condAddress, bool createIfZero, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadCondState? state)
|
|
{
|
|
resolvedAddress = 0;
|
|
state = null;
|
|
if (condAddress == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
lock (_stateGate)
|
|
{
|
|
if (_condStates.TryGetValue(condAddress, out state))
|
|
{
|
|
resolvedAddress = condAddress;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (ctx is null || !ctx.TryReadUInt64(condAddress, out var pointedHandle))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (pointedHandle != 0)
|
|
{
|
|
lock (_stateGate)
|
|
{
|
|
if (_condStates.TryGetValue(pointedHandle, out state))
|
|
{
|
|
_condStates[condAddress] = state;
|
|
resolvedAddress = pointedHandle;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
resolvedAddress = pointedHandle;
|
|
return false;
|
|
}
|
|
|
|
if (!createIfZero)
|
|
{
|
|
resolvedAddress = condAddress;
|
|
return false;
|
|
}
|
|
|
|
var createdState = new PthreadCondState();
|
|
var syntheticHandle = AllocateSyntheticHandle(SyntheticCondHandleBase, ref _nextSyntheticCondHandleId);
|
|
lock (_stateGate)
|
|
{
|
|
_condStates[condAddress] = createdState;
|
|
_condStates[syntheticHandle] = createdState;
|
|
}
|
|
|
|
_ = ctx.TryWriteUInt64(condAddress, syntheticHandle);
|
|
resolvedAddress = syntheticHandle;
|
|
state = createdState;
|
|
return true;
|
|
}
|
|
|
|
private static ulong AllocateSyntheticHandle(ulong baseAddress, ref long nextId)
|
|
{
|
|
var id = unchecked((ulong)Interlocked.Increment(ref nextId));
|
|
return baseAddress + (id << 4);
|
|
}
|
|
|
|
private static int PthreadCondInitCore(CpuContext ctx, ulong condAddress)
|
|
{
|
|
if (condAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
var syntheticHandle = AllocateSyntheticHandle(SyntheticCondHandleBase, ref _nextSyntheticCondHandleId);
|
|
lock (_stateGate)
|
|
{
|
|
var state = new PthreadCondState();
|
|
_condStates[condAddress] = state;
|
|
_condStates[syntheticHandle] = state;
|
|
}
|
|
|
|
_ = ctx.TryWriteUInt64(condAddress, syntheticHandle);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadCondDestroyCore(CpuContext ctx, ulong condAddress)
|
|
{
|
|
if (condAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
var resolvedAddress = ResolveCondHandle(ctx, condAddress);
|
|
lock (_stateGate)
|
|
{
|
|
_condStates.Remove(resolvedAddress);
|
|
if (resolvedAddress != condAddress)
|
|
{
|
|
_condStates.Remove(condAddress);
|
|
}
|
|
}
|
|
|
|
_ = ctx.TryWriteUInt64(condAddress, 0);
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static int PthreadCondWaitCore(CpuContext ctx, ulong condAddress, ulong mutexAddress, bool timed, uint timeoutUsec = 0)
|
|
{
|
|
if (condAddress == 0 || mutexAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
if (!TryResolveCondState(ctx, condAddress, createIfZero: true, out _, out var state))
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
|
|
}
|
|
|
|
var waitResult = (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
lock (state.SyncRoot)
|
|
{
|
|
state.Waiters++;
|
|
var observedEpoch = state.SignalEpoch;
|
|
TracePthreadCond("wait-enter", condAddress, mutexAddress, state, timed, waitResult);
|
|
|
|
var unlockResult = PthreadMutexUnlockCore(ctx, mutexAddress, requireOwner: true);
|
|
if (unlockResult != (int)OrbisGen2Result.ORBIS_GEN2_OK)
|
|
{
|
|
state.Waiters--;
|
|
TracePthreadCond("wait-unlock-fail", condAddress, mutexAddress, state, timed, unlockResult);
|
|
return unlockResult;
|
|
}
|
|
|
|
while (state.SignalEpoch == observedEpoch)
|
|
{
|
|
if (!timed)
|
|
{
|
|
Monitor.Wait(state.SyncRoot);
|
|
continue;
|
|
}
|
|
|
|
if (!Monitor.Wait(state.SyncRoot, GetCondWaitTimeout(timeoutUsec)))
|
|
{
|
|
waitResult = (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
state.Waiters = Math.Max(0, state.Waiters - 1);
|
|
TracePthreadCond(waitResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? "wait-wake" : "wait-timeout", condAddress, mutexAddress, state, timed, waitResult);
|
|
}
|
|
|
|
var lockResult = PthreadMutexLockCore(ctx, mutexAddress, tryOnly: false);
|
|
if (lockResult != (int)OrbisGen2Result.ORBIS_GEN2_OK)
|
|
{
|
|
TracePthreadCond("wait-relock-fail", condAddress, mutexAddress, state, timed, lockResult);
|
|
return lockResult;
|
|
}
|
|
|
|
TracePthreadCond(waitResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? "wait-exit" : "wait-exit-timeout", condAddress, mutexAddress, state, timed, waitResult);
|
|
return waitResult;
|
|
}
|
|
|
|
private static int PthreadCondSignalCore(CpuContext ctx, ulong condAddress, bool broadcast)
|
|
{
|
|
if (condAddress == 0)
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
|
|
}
|
|
|
|
if (!TryResolveCondState(ctx, condAddress, createIfZero: true, out _, out var state))
|
|
{
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
|
|
}
|
|
|
|
lock (state.SyncRoot)
|
|
{
|
|
if (state.Waiters > 0)
|
|
{
|
|
state.SignalEpoch++;
|
|
if (broadcast)
|
|
{
|
|
Monitor.PulseAll(state.SyncRoot);
|
|
}
|
|
else
|
|
{
|
|
Monitor.Pulse(state.SyncRoot);
|
|
}
|
|
}
|
|
|
|
TracePthreadCond(broadcast ? "broadcast" : "signal", condAddress, mutexAddress: 0, state, timed: false, (int)OrbisGen2Result.ORBIS_GEN2_OK);
|
|
}
|
|
|
|
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
|
|
}
|
|
|
|
private static TimeSpan GetCondWaitTimeout(uint timeoutUsec)
|
|
{
|
|
if (timeoutUsec == 0)
|
|
{
|
|
return TimeSpan.Zero;
|
|
}
|
|
|
|
return TimeSpan.FromTicks((long)timeoutUsec * 10L);
|
|
}
|
|
|
|
private static int NormalizeMutexType(int type)
|
|
{
|
|
return type switch
|
|
{
|
|
0 => MutexTypeDefault,
|
|
1 => MutexTypeErrorCheck,
|
|
2 => MutexTypeRecursive,
|
|
3 => MutexTypeNormal,
|
|
4 => MutexTypeAdaptiveNp,
|
|
_ => MutexTypeDefault,
|
|
};
|
|
}
|
|
|
|
private static bool CreateImplicitMutexState(CpuContext ctx, ulong mutexAddress, int type, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadMutexState? state)
|
|
{
|
|
var createdState = new PthreadMutexState
|
|
{
|
|
Type = type,
|
|
};
|
|
|
|
var syntheticHandle = AllocateSyntheticHandle(SyntheticMutexHandleBase, ref _nextSyntheticMutexHandleId);
|
|
lock (_stateGate)
|
|
{
|
|
if (_mutexStates.TryGetValue(mutexAddress, out state))
|
|
{
|
|
resolvedAddress = mutexAddress;
|
|
return true;
|
|
}
|
|
|
|
if (_mutexStates.TryGetValue(syntheticHandle, out state))
|
|
{
|
|
resolvedAddress = syntheticHandle;
|
|
return true;
|
|
}
|
|
|
|
_mutexStates[mutexAddress] = createdState;
|
|
_mutexStates[syntheticHandle] = createdState;
|
|
}
|
|
|
|
_ = ctx.TryWriteUInt64(mutexAddress, syntheticHandle);
|
|
resolvedAddress = syntheticHandle;
|
|
state = createdState;
|
|
return true;
|
|
}
|
|
|
|
private static void TracePthreadSelf(CpuContext ctx, ulong currentThreadHandle)
|
|
{
|
|
if (!ShouldTracePthread())
|
|
{
|
|
return;
|
|
}
|
|
|
|
var currentThreadId = KernelPthreadState.GetCurrentThreadUniqueId();
|
|
Console.Error.WriteLine(
|
|
$"[LOADER][TRACE] pthread_self: stale_rdi=0x{ctx[CpuRegister.Rdi]:X16} thread=0x{currentThreadHandle:X16} tid=0x{currentThreadId:X16}");
|
|
}
|
|
|
|
private static void TracePthreadMutex(CpuContext ctx, string operation, ulong mutexAddress, ulong resolvedAddress, PthreadMutexState? state, ulong currentThreadId, int result)
|
|
{
|
|
if (!ShouldTracePthread())
|
|
{
|
|
return;
|
|
}
|
|
|
|
_ = ctx.TryReadUInt64(mutexAddress, out var guestWord0);
|
|
_ = ctx.TryReadUInt64(mutexAddress + 8, out var guestWord1);
|
|
Console.Error.WriteLine(
|
|
$"[LOADER][TRACE] pthread_{operation}: mutex=0x{mutexAddress:X16} resolved=0x{resolvedAddress:X16} " +
|
|
$"guest[0]=0x{guestWord0:X16} guest[8]=0x{guestWord1:X16} " +
|
|
$"current=0x{currentThreadId:X16} owner=0x{(state?.OwnerThreadId ?? 0):X16} " +
|
|
$"recursion={(state?.RecursionCount ?? 0)} type={(state?.Type ?? 0)} result=0x{unchecked((uint)result):X8}");
|
|
}
|
|
|
|
private static void TracePthreadCond(string operation, ulong condAddress, ulong mutexAddress, PthreadCondState? state, bool timed, int result)
|
|
{
|
|
if (!ShouldTracePthread())
|
|
{
|
|
return;
|
|
}
|
|
|
|
Console.Error.WriteLine(
|
|
$"[LOADER][TRACE] pthread_cond_{operation}: cond=0x{condAddress:X16} mutex=0x{mutexAddress:X16} " +
|
|
$"waiters={(state?.Waiters ?? 0)} epoch=0x{(state?.SignalEpoch ?? 0):X} timed={timed} result=0x{unchecked((uint)result):X8}");
|
|
}
|
|
|
|
private static bool ShouldTracePthread()
|
|
{
|
|
return string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_PTHREADS"), "1", StringComparison.Ordinal);
|
|
}
|
|
}
|