[fixes] stackalloc warnings, consolidate duplicated methods, minor adjustments in project settings (#39)

* [fixes] stackalloc warnings, consolidate duplicated methods

* [fix] remove unnecessary edit in .slnx file
This commit is contained in:
Dawid
2026-07-10 19:57:46 +02:00
committed by GitHub
parent b36ecc121c
commit 7337683c16
27 changed files with 499 additions and 825 deletions
@@ -3,7 +3,6 @@
using SharpEmu.HLE;
using SharpEmu.Libs.Ampr;
using System.Buffers.Binary;
using System.Collections.Concurrent;
using System.Threading;
@@ -50,7 +49,7 @@ public static class KernelAprCompatExports
return completionResult;
}
if (outSubmissionId != 0 && !TryWriteUInt32(ctx, outSubmissionId, submissionId))
if (outSubmissionId != 0 && !ctx.TryWriteUInt32(outSubmissionId, submissionId))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
@@ -141,7 +140,7 @@ public static class KernelAprCompatExports
return completionResult;
}
if (!TryWriteUInt32(ctx, outSubmissionId, submissionId))
if (!ctx.TryWriteUInt32(outSubmissionId, submissionId))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
@@ -178,13 +177,6 @@ public static class KernelAprCompatExports
return tag is 0x0C or 0x10;
}
private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
return ctx.Memory.TryWrite(address, buffer);
}
private static void TraceApr(
CpuContext ctx,
string operation,
@@ -1,7 +1,6 @@
// Copyright (C) 2026 SharpEmu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
using System.Buffers.Binary;
using System.Collections.Concurrent;
using System.Text;
using SharpEmu.HLE;
@@ -55,7 +54,7 @@ public static class KernelEventFlagCompatExports
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
}
if (!TryReadNullTerminatedUtf8(ctx, nameAddress, MaxEventFlagNameLength + 1, out var name))
if (!ctx.TryReadNullTerminatedUtf8(nameAddress, MaxEventFlagNameLength + 1, out var name))
{
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
@@ -219,7 +218,7 @@ public static class KernelEventFlagCompatExports
}
uint timeoutUsec = 0;
if (timeoutAddress != 0 && !TryReadUInt32(ctx, timeoutAddress, out timeoutUsec))
if (timeoutAddress != 0 && !ctx.TryReadUInt32(timeoutAddress, out timeoutUsec))
{
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
@@ -234,7 +233,7 @@ public static class KernelEventFlagCompatExports
if (timeoutAddress != 0)
{
_ = TryWriteUInt32(ctx, timeoutAddress, 0);
_ = ctx.TryWriteUInt32(timeoutAddress, 0);
_ = TryWriteResultPattern(ctx, resultAddress, state.Bits);
TraceEventFlag($"wait-timeout handle=0x{handle:X16} pattern=0x{pattern:X16} timeout={timeoutUsec} ret=0x{returnRip:X16}");
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
@@ -340,7 +339,7 @@ public static class KernelEventFlagCompatExports
lock (state.Gate)
{
if (waiterCountAddress != 0 &&
!TryWriteUInt32(ctx, waiterCountAddress, unchecked((uint)state.WaitingThreads)))
!ctx.TryWriteUInt32(waiterCountAddress, unchecked((uint)state.WaitingThreads)))
{
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
@@ -453,77 +452,6 @@ public static class KernelEventFlagCompatExports
private static bool TryWriteResultPattern(CpuContext ctx, ulong address, ulong bits) =>
address == 0 || ctx.TryWriteUInt64(address, bits);
private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
if (!ctx.Memory.TryRead(address, buffer))
{
value = 0;
return false;
}
value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
return true;
}
private static bool TryReadUInt64(CpuContext ctx, ulong address, out ulong value)
{
Span<byte> buffer = stackalloc byte[sizeof(ulong)];
if (!ctx.Memory.TryRead(address, buffer))
{
value = 0;
return false;
}
value = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
return true;
}
private static bool TryReadByte(CpuContext ctx, ulong address, out byte value)
{
Span<byte> buffer = stackalloc byte[1];
if (!ctx.Memory.TryRead(address, buffer))
{
value = 0;
return false;
}
value = buffer[0];
return true;
}
private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
return ctx.Memory.TryWrite(address, buffer);
}
private static bool TryReadNullTerminatedUtf8(CpuContext ctx, ulong address, int capacity, out string value)
{
var bytes = new byte[capacity];
for (var index = 0; index < bytes.Length; index++)
{
Span<byte> current = stackalloc byte[1];
if (!ctx.Memory.TryRead(address + (ulong)index, current))
{
value = string.Empty;
return false;
}
if (current[0] == 0)
{
value = Encoding.UTF8.GetString(bytes, 0, index);
return true;
}
bytes[index] = current[0];
}
value = Encoding.UTF8.GetString(bytes);
return true;
}
private static int SetReturn(CpuContext ctx, OrbisGen2Result result)
{
var value = (int)result;
@@ -614,7 +542,7 @@ public static class KernelEventFlagCompatExports
private static void AppendByte(StringBuilder builder, CpuContext ctx, ulong address, string name)
{
if (TryReadByte(ctx, address, out var value))
if (ctx.TryReadByte(address, out var value))
{
builder.Append($" {name}=0x{value:X2}");
}
@@ -622,7 +550,7 @@ public static class KernelEventFlagCompatExports
private static void AppendUInt32(StringBuilder builder, CpuContext ctx, ulong address, string name)
{
if (TryReadUInt32(ctx, address, out var value))
if (ctx.TryReadUInt32(address, out var value))
{
builder.Append($" {name}=0x{value:X8}");
}
@@ -630,7 +558,7 @@ public static class KernelEventFlagCompatExports
private static void AppendUInt64(StringBuilder builder, CpuContext ctx, ulong address, string name)
{
if (TryReadUInt64(ctx, address, out var value))
if (ctx.TryReadUInt64(address, out var value))
{
builder.Append($" {name}=0x{value:X16}");
}
@@ -287,13 +287,13 @@ public static class KernelEventQueueCompatExports
}
uint timeoutUsec = 0;
if (timeoutAddress != 0 && !TryReadUInt32(ctx, timeoutAddress, out timeoutUsec))
if (timeoutAddress != 0 && !ctx.TryReadUInt32(timeoutAddress, out timeoutUsec))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
var deliveredCount = DequeueEvents(ctx, handle, eventsAddress, eventCapacity);
if (outCountAddress != 0 && !TryWriteUInt32(ctx, outCountAddress, (uint)deliveredCount))
if (outCountAddress != 0 && !ctx.TryWriteUInt32(outCountAddress, (uint)deliveredCount))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
@@ -336,7 +336,7 @@ public static class KernelEventQueueCompatExports
}
deliveredCount = DequeueEvents(ctx, handle, eventsAddress, eventCapacity);
if (outCountAddress != 0 && !TryWriteUInt32(ctx, outCountAddress, (uint)deliveredCount))
if (outCountAddress != 0 && !ctx.TryWriteUInt32(outCountAddress, (uint)deliveredCount))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
@@ -541,7 +541,7 @@ public static class KernelEventQueueCompatExports
ulong outCountAddress)
{
var deliveredCount = DequeueEvents(ctx, handle, eventsAddress, eventCapacity);
if (outCountAddress != 0 && !TryWriteUInt32(ctx, outCountAddress, (uint)deliveredCount))
if (outCountAddress != 0 && !ctx.TryWriteUInt32(outCountAddress, (uint)deliveredCount))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
@@ -654,29 +654,8 @@ public static class KernelEventQueueCompatExports
return;
}
var returnRip = 0UL;
_ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out returnRip);
_ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out ulong returnRip);
Console.Error.WriteLine(
$"[LOADER][TRACE] equeue.{operation}: handle=0x{handle:X16} rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} ret=0x{returnRip:X16}");
}
private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
return ctx.Memory.TryWrite(address, buffer);
}
private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
if (!ctx.Memory.TryRead(address, buffer))
{
value = 0;
return false;
}
value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
return true;
}
}
@@ -7,9 +7,7 @@ using System.Buffers;
using System.Buffers.Binary;
using System.Collections.Concurrent;
using System.Text;
using System.Threading;
using System.Runtime.InteropServices;
using System.Linq;
using System.Globalization;
namespace SharpEmu.Libs.Kernel;
@@ -4527,7 +4525,7 @@ public static class KernelMemoryCompatExports
continue;
}
Span<byte> one = stackalloc byte[1];
var one = chunk.AsSpan(0, 1);
if (!TryReadCompat(ctx, current, one))
{
return false;
@@ -1018,19 +1018,12 @@ public static class KernelPthreadCompatExports
}
private static bool InitializeMutexObject(CpuContext ctx, ulong address, PthreadMutexState state) =>
TryWriteUInt32(ctx, address + 0x20, unchecked((uint)state.Type)) &&
TryWriteUInt32(ctx, address + 0x3C, unchecked((uint)state.Protocol));
ctx.TryWriteUInt32(address + 0x20, unchecked((uint)state.Type)) &&
ctx.TryWriteUInt32(address + 0x3C, unchecked((uint)state.Protocol));
private static bool WriteMutexAttrObject(CpuContext ctx, ulong address, PthreadMutexAttrState state) =>
TryWriteUInt32(ctx, address, unchecked((uint)state.Type)) &&
TryWriteUInt32(ctx, address + 4, unchecked((uint)state.Protocol));
private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
{
Span<byte> bytes = stackalloc byte[sizeof(uint)];
BitConverter.TryWriteBytes(bytes, value);
return ctx.Memory.TryWrite(address, bytes);
}
ctx.TryWriteUInt32(address, unchecked((uint)state.Type)) &&
ctx.TryWriteUInt32(address + 4, unchecked((uint)state.Protocol));
private static int PthreadCondInitCore(CpuContext ctx, ulong condAddress)
{
@@ -1,9 +1,7 @@
// Copyright (C) 2026 SharpEmu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
using System.Buffers.Binary;
using System.Collections.Concurrent;
using System.Text;
using SharpEmu.HLE;
namespace SharpEmu.Libs.Kernel;
@@ -49,7 +47,7 @@ public static class KernelSemaphoreCompatExports
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
}
if (!TryReadNullTerminatedUtf8(ctx, nameAddress, MaxSemaphoreNameLength, out var name))
if (!ctx.TryReadNullTerminatedUtf8(nameAddress, MaxSemaphoreNameLength, out var name))
{
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
@@ -68,7 +66,7 @@ public static class KernelSemaphoreCompatExports
Count = initialCount,
};
if (!TryWriteUInt32(ctx, semaphoreAddress, handle))
if (!ctx.TryWriteUInt32(semaphoreAddress, handle))
{
_semaphores.TryRemove(handle, out _);
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
@@ -110,12 +108,12 @@ public static class KernelSemaphoreCompatExports
if (timeoutAddress != 0)
{
if (!TryReadUInt32(ctx, timeoutAddress, out _))
if (!ctx.TryReadUInt32(timeoutAddress, out _))
{
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
_ = TryWriteUInt32(ctx, timeoutAddress, 0);
_ = ctx.TryWriteUInt32(timeoutAddress, 0);
TraceSemaphore($"wait-timeout handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
}
@@ -222,7 +220,7 @@ public static class KernelSemaphoreCompatExports
lock (semaphore.Gate)
{
if (waitingThreadsAddress != 0 && !TryWriteUInt32(ctx, waitingThreadsAddress, unchecked((uint)semaphore.WaitingThreads)))
if (waitingThreadsAddress != 0 && !ctx.TryWriteUInt32(waitingThreadsAddress, unchecked((uint)semaphore.WaitingThreads)))
{
return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
@@ -258,56 +256,6 @@ public static class KernelSemaphoreCompatExports
return value;
}
private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
if (!ctx.Memory.TryRead(address, buffer))
{
value = 0;
return false;
}
value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
return true;
}
private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
return ctx.Memory.TryWrite(address, buffer);
}
private static bool TryReadNullTerminatedUtf8(CpuContext ctx, ulong address, int maxLength, out string value)
{
value = string.Empty;
if (address == 0 || maxLength <= 0)
{
return false;
}
var bytes = new byte[Math.Min(maxLength, 4096)];
for (var i = 0; i < bytes.Length; i++)
{
Span<byte> current = stackalloc byte[1];
if (!ctx.Memory.TryRead(address + (ulong)i, current))
{
return false;
}
if (current[0] == 0)
{
value = Encoding.UTF8.GetString(bytes, 0, i);
return true;
}
bytes[i] = current[0];
}
value = Encoding.UTF8.GetString(bytes);
return true;
}
private static void TraceSemaphore(string message)
{
if (string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_SEMA"), "1", StringComparison.Ordinal))