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Add debug asserts for invalid MEMPTR

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Also fixed some corruptions this uncovered
This commit is contained in:
Exzap 2023-06-15 22:18:53 +02:00
parent 7886b594a2
commit 808d1bb424
13 changed files with 193 additions and 156 deletions
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1
.gitignore vendored
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@ -38,6 +38,7 @@ bin/debugger/*
bin/sdcard/*
bin/screenshots/*
bin/dump/*
bin/cafeLibs/*
!bin/shaderCache/info.txt
bin/shaderCache/*

4
src/Cafe/HW/MMU/MMU.h
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@ -263,4 +263,6 @@ namespace MMU
uint16 ReadMMIO_32(PAddr address);
uint16 ReadMMIO_16(PAddr address);
}
}
#define MMU_IsInPPCMemorySpace(__ptr) ((const uint8*)(__ptr) >= memory_base && (const uint8*)(__ptr) < (memory_base + 0x100000000))

1
src/Cafe/OS/libs/coreinit/coreinit_Alarm.cpp
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@ -211,6 +211,7 @@ namespace coreinit
void __OSInitiateAlarm(OSAlarm_t* alarm, uint64 startTime, uint64 period, MPTR handlerFunc, bool isPeriodic)
{
cemu_assert_debug(MMU_IsInPPCMemorySpace(alarm));
cemu_assert_debug(__OSHasSchedulerLock());
uint64 nextTime = startTime;

2
src/Cafe/OS/libs/coreinit/coreinit_MEM.cpp
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@ -50,7 +50,7 @@ namespace coreinit
MEMList g_list3;
std::array<uint32, 3> gHeapFillValues{ 0xC3C3C3C3, 0xF3F3F3F3, 0xD3D3D3D3 };
OSSpinLock gHeapGlobalLock;
SysAllocator<OSSpinLock> gHeapGlobalLock;
MEMHeapBase* gDefaultHeap;
bool MEMHeapTable_Add(MEMHeapBase* heap)

23
src/Cafe/OS/libs/coreinit/coreinit_Thread.cpp
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@ -263,9 +263,7 @@ namespace coreinit
thread = (OSThread_t*)memory_getPointerFromVirtualOffset(coreinit_allocFromSysArea(sizeof(OSThread_t), 32));
memset(thread, 0x00, sizeof(OSThread_t));
// init signatures
thread->context.magic0 = OS_CONTEXT_MAGIC_0;
thread->context.magic1 = OS_CONTEXT_MAGIC_1;
thread->magic = 'tHrD';
thread->SetMagic();
thread->type = threadType;
thread->state = (entryPoint != MPTR_NULL) ? OSThread_t::THREAD_STATE::STATE_READY : OSThread_t::THREAD_STATE::STATE_NONE;
thread->entrypoint = _swapEndianU32(entryPoint);
@ -563,7 +561,10 @@ namespace coreinit
// adds the thread to each core's run queue if in runable state
void __OSAddReadyThreadToRunQueue(OSThread_t* thread)
{
cemu_assert_debug(MMU_IsInPPCMemorySpace(thread));
cemu_assert_debug(thread->IsValidMagic());
cemu_assert_debug(__OSHasSchedulerLock());
if (thread->state != OSThread_t::THREAD_STATE::STATE_READY)
return;
if (thread->suspendCounter != 0)
@ -703,10 +704,18 @@ namespace coreinit
}
else if (prevAffinityMask != affinityMask)
{
__OSRemoveThreadFromRunQueues(thread);
thread->attr = (thread->attr & ~7) | (affinityMask & 7);
thread->context.setAffinity(affinityMask);
__OSAddReadyThreadToRunQueue(thread);
if(thread->state != OSThread_t::THREAD_STATE::STATE_NONE)
{
__OSRemoveThreadFromRunQueues(thread);
thread->attr = (thread->attr & ~7) | (affinityMask & 7);
thread->context.setAffinity(affinityMask);
__OSAddReadyThreadToRunQueue(thread);
}
else
{
thread->attr = (thread->attr & ~7) | (affinityMask & 7);
thread->context.setAffinity(affinityMask);
}
}
__OSUnlockScheduler();
return true;

12
src/Cafe/OS/libs/coreinit/coreinit_Thread.h
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@ -404,6 +404,18 @@ struct OSThread_t
return 0;
}
void SetMagic()
{
context.magic0 = OS_CONTEXT_MAGIC_0;
context.magic1 = OS_CONTEXT_MAGIC_1;
magic = 'tHrD';
}
bool IsValidMagic() const
{
return magic == 'tHrD' && context.magic0 == OS_CONTEXT_MAGIC_0 && context.magic1 == OS_CONTEXT_MAGIC_1;
}
/* +0x000 */ OSContext_t context;
/* +0x320 */ uint32be magic; // 'tHrD'
/* +0x324 */ betype<THREAD_STATE> state;

2
src/Cafe/OS/libs/erreula/erreula.cpp
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@ -82,7 +82,7 @@ namespace erreula
struct ErrEula_t
{
coreinit::OSMutex mutex;
SysAllocator<coreinit::OSMutex> mutex;
uint32 regionType;
uint32 langType;
MEMPTR<coreinit::FSClient_t> fsClient;

2
src/Cafe/OS/libs/nn_boss/nn_boss.cpp
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@ -23,7 +23,7 @@ memset(bossRequest, 0, sizeof(iosuBossCemuRequest_t)); \
memset(bossBufferVector, 0, sizeof(ioBufferVector_t)); \
bossBufferVector->buffer = (uint8*)bossRequest;
coreinit::OSMutex g_mutex;
SysAllocator<coreinit::OSMutex> g_mutex;
sint32 g_initCounter = 0;
bool g_isInitialized = false;

2
src/Cafe/OS/libs/padscore/padscore.cpp
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@ -54,7 +54,7 @@ namespace padscore
WPADState_t g_wpad_state = kWPADStateMaster;
struct {
coreinit::OSAlarm_t alarm;
SysAllocator<coreinit::OSAlarm_t> alarm;
bool kpad_initialized = false;
struct WPADData

2
src/Cafe/OS/libs/vpad/vpad.cpp
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@ -163,7 +163,7 @@ namespace vpad
struct
{
coreinit::OSAlarm_t alarm;
SysAllocator<coreinit::OSAlarm_t> alarm;
struct
{

12
src/Common/MemPtr.h
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@ -37,7 +37,10 @@ public:
if (ptr == nullptr)
m_value = 0;
else
m_value = (uint32)((uintptr_t)ptr - (uintptr_t)memory_base);
{
cemu_assert_debug((uint8*)ptr >= memory_base && (uint8*)ptr <= memory_base + 0x100000000);
m_value = (uint32)((uintptr_t)ptr - (uintptr_t)memory_base);
}
}
constexpr MEMPTR(const MEMPTR& memptr)
@ -63,10 +66,13 @@ public:
MEMPTR& operator=(T* ptr)
{
if (ptr == nullptr)
if (ptr == nullptr)
m_value = 0;
else
m_value = (uint32)((uintptr_t)ptr - (uintptr_t)memory_base);
{
cemu_assert_debug((uint8*)ptr >= memory_base && (uint8*)ptr <= memory_base + 0x100000000);
m_value = (uint32)((uintptr_t)ptr - (uintptr_t)memory_base);
}
return *this;
}

107
src/Common/precompiled.h
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@ -296,6 +296,61 @@ inline unsigned char _addcarry_u64(unsigned char carry, unsigned long long a, un
#endif
// asserts
inline void cemu_assert(bool _condition)
{
if ((_condition) == false)
{
DEBUG_BREAK;
}
}
#ifndef CEMU_DEBUG_ASSERT
//#define cemu_assert_debug(__cond) -> Forcing __cond not to be evaluated currently has unexpected side-effects
inline void cemu_assert_debug(bool _condition)
{
}
inline void cemu_assert_unimplemented()
{
}
inline void cemu_assert_suspicious()
{
}
inline void cemu_assert_error()
{
DEBUG_BREAK;
}
#else
inline void cemu_assert_debug(bool _condition)
{
if ((_condition) == false)
DEBUG_BREAK;
}
inline void cemu_assert_unimplemented()
{
DEBUG_BREAK;
}
inline void cemu_assert_suspicious()
{
DEBUG_BREAK;
}
inline void cemu_assert_error()
{
DEBUG_BREAK;
}
#endif
#define assert_dbg() DEBUG_BREAK // old style unconditional generic assert
// MEMPTR
#include "Common/MemPtr.h"
@ -380,58 +435,6 @@ bool match_any_of(T1 value, T2 compareTo, Types&&... others)
#endif
}
inline void cemu_assert(bool _condition)
{
if ((_condition) == false)
{
DEBUG_BREAK;
}
}
#ifndef CEMU_DEBUG_ASSERT
//#define cemu_assert_debug(__cond) -> Forcing __cond not to be evaluated currently has unexpected side-effects
inline void cemu_assert_debug(bool _condition)
{
}
inline void cemu_assert_unimplemented()
{
}
inline void cemu_assert_suspicious()
{
}
inline void cemu_assert_error()
{
DEBUG_BREAK;
}
#else
inline void cemu_assert_debug(bool _condition)
{
if ((_condition) == false)
DEBUG_BREAK;
}
inline void cemu_assert_unimplemented()
{
DEBUG_BREAK;
}
inline void cemu_assert_suspicious()
{
DEBUG_BREAK;
}
inline void cemu_assert_error()
{
DEBUG_BREAK;
}
#endif
#define assert_dbg() DEBUG_BREAK // old style unconditional generic assert
// Some string conversion helpers because C++20 std::u8string is too cumbersome to use in practice
// mixing string types generally causes loads of issues and many of the libraries we use dont expose interfaces for u8string

179
src/gui/windows/PPCThreadsViewer/DebugPPCThreadsWindow.cpp
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@ -173,100 +173,103 @@ void DebugPPCThreadsWindow::RefreshThreadList()
const int scrollPos = m_thread_list->GetScrollPos(0);
m_thread_list->DeleteAllItems();
__OSLockScheduler();
srwlock_activeThreadList.LockWrite();
for (sint32 i = 0; i < activeThreadCount; i++)
{
MPTR threadItrMPTR = activeThread[i];
OSThread_t* cafeThread = (OSThread_t*)memory_getPointerFromVirtualOffset(threadItrMPTR);
if(activeThreadCount > 0)
{
__OSLockScheduler();
srwlock_activeThreadList.LockWrite();
for (sint32 i = 0; i < activeThreadCount; i++)
{
MPTR threadItrMPTR = activeThread[i];
OSThread_t* cafeThread = (OSThread_t*)memory_getPointerFromVirtualOffset(threadItrMPTR);
char tempStr[512];
sprintf(tempStr, "%08X", threadItrMPTR);
char tempStr[512];
sprintf(tempStr, "%08X", threadItrMPTR);
wxListItem item;
item.SetId(i);
item.SetText(tempStr);
m_thread_list->InsertItem(item);
m_thread_list->SetItemData(item, (long)threadItrMPTR);
// entry point
sprintf(tempStr, "%08X", _swapEndianU32(cafeThread->entrypoint));
m_thread_list->SetItem(i, 1, tempStr);
// stack base (low)
sprintf(tempStr, "%08X - %08X", _swapEndianU32(cafeThread->stackEnd), _swapEndianU32(cafeThread->stackBase));
m_thread_list->SetItem(i, 2, tempStr);
// pc
RPLStoredSymbol* symbol = rplSymbolStorage_getByAddress(cafeThread->context.srr0);
if (symbol)
sprintf(tempStr, "%s (0x%08x)", (const char*)symbol->symbolName, cafeThread->context.srr0);
else
sprintf(tempStr, "%08X", cafeThread->context.srr0);
m_thread_list->SetItem(i, 3, tempStr);
// lr
sprintf(tempStr, "%08X", _swapEndianU32(cafeThread->context.lr));
m_thread_list->SetItem(i, 4, tempStr);
// state
OSThread_t::THREAD_STATE threadState = cafeThread->state;
wxString threadStateStr = "UNDEFINED";
if (cafeThread->suspendCounter != 0)
threadStateStr = "SUSPENDED";
else if (threadState == OSThread_t::THREAD_STATE::STATE_NONE)
threadStateStr = "NONE";
else if (threadState == OSThread_t::THREAD_STATE::STATE_READY)
threadStateStr = "READY";
else if (threadState == OSThread_t::THREAD_STATE::STATE_RUNNING)
threadStateStr = "RUNNING";
else if (threadState == OSThread_t::THREAD_STATE::STATE_WAITING)
threadStateStr = "WAITING";
else if (threadState == OSThread_t::THREAD_STATE::STATE_MORIBUND)
threadStateStr = "MORIBUND";
m_thread_list->SetItem(i, 5, threadStateStr);
// affinity
uint8 affinity = cafeThread->attr&7;
uint8 affinityReal = cafeThread->context.affinity;
if(affinity != affinityReal)
sprintf(tempStr, "(!) %d%d%d real: %d%d%d", (affinity >> 0) & 1, (affinity >> 1) & 1, (affinity >> 2) & 1, (affinityReal >> 0) & 1, (affinityReal >> 1) & 1, (affinityReal >> 2) & 1);
else
sprintf(tempStr, "%d%d%d", (affinity >> 0) & 1, (affinity >> 1) & 1, (affinity >> 2) & 1);
m_thread_list->SetItem(i, 6, tempStr);
// priority
sint32 effectivePriority = cafeThread->effectivePriority;
sprintf(tempStr, "%d", effectivePriority);
m_thread_list->SetItem(i, 7, tempStr);
// last awake in cycles
uint64 lastWakeUpTime = cafeThread->wakeUpTime;
sprintf(tempStr, "%" PRIu64, lastWakeUpTime);
m_thread_list->SetItem(i, 8, tempStr);
// awake time in cycles
uint64 awakeTime = cafeThread->totalCycles;
sprintf(tempStr, "%" PRIu64, awakeTime);
m_thread_list->SetItem(i, 9, tempStr);
// thread name
const char* threadName = "NULL";
if (!cafeThread->threadName.IsNull())
threadName = cafeThread->threadName.GetPtr();
m_thread_list->SetItem(i, 10, threadName);
// GPR
sprintf(tempStr, "r3 %08x r4 %08x r5 %08x r6 %08x r7 %08x", _r(3), _r(4), _r(5), _r(6), _r(7));
m_thread_list->SetItem(i, 11, tempStr);
// waiting condition / extra info
coreinit::OSMutex* mutex = cafeThread->waitingForMutex;
if (mutex)
sprintf(tempStr, "Mutex 0x%08x (Held by thread 0x%08X Lock-Count: %d)", memory_getVirtualOffsetFromPointer(mutex), mutex->owner.GetMPTR(), (uint32)mutex->lockCount);
else
sprintf(tempStr, "");
wxListItem item;
item.SetId(i);
item.SetText(tempStr);
m_thread_list->InsertItem(item);
m_thread_list->SetItemData(item, (long)threadItrMPTR);
// entry point
sprintf(tempStr, "%08X", _swapEndianU32(cafeThread->entrypoint));
m_thread_list->SetItem(i, 1, tempStr);
// stack base (low)
sprintf(tempStr, "%08X - %08X", _swapEndianU32(cafeThread->stackEnd), _swapEndianU32(cafeThread->stackBase));
m_thread_list->SetItem(i, 2, tempStr);
// pc
RPLStoredSymbol* symbol = rplSymbolStorage_getByAddress(cafeThread->context.srr0);
if (symbol)
sprintf(tempStr, "%s (0x%08x)", (const char*)symbol->symbolName, cafeThread->context.srr0);
else
sprintf(tempStr, "%08X", cafeThread->context.srr0);
m_thread_list->SetItem(i, 3, tempStr);
// lr
sprintf(tempStr, "%08X", _swapEndianU32(cafeThread->context.lr));
m_thread_list->SetItem(i, 4, tempStr);
// state
OSThread_t::THREAD_STATE threadState = cafeThread->state;
wxString threadStateStr = "UNDEFINED";
if (cafeThread->suspendCounter != 0)
threadStateStr = "SUSPENDED";
else if (threadState == OSThread_t::THREAD_STATE::STATE_NONE)
threadStateStr = "NONE";
else if (threadState == OSThread_t::THREAD_STATE::STATE_READY)
threadStateStr = "READY";
else if (threadState == OSThread_t::THREAD_STATE::STATE_RUNNING)
threadStateStr = "RUNNING";
else if (threadState == OSThread_t::THREAD_STATE::STATE_WAITING)
threadStateStr = "WAITING";
else if (threadState == OSThread_t::THREAD_STATE::STATE_MORIBUND)
threadStateStr = "MORIBUND";
m_thread_list->SetItem(i, 5, threadStateStr);
// affinity
uint8 affinity = cafeThread->attr&7;
uint8 affinityReal = cafeThread->context.affinity;
if(affinity != affinityReal)
sprintf(tempStr, "(!) %d%d%d real: %d%d%d", (affinity >> 0) & 1, (affinity >> 1) & 1, (affinity >> 2) & 1, (affinityReal >> 0) & 1, (affinityReal >> 1) & 1, (affinityReal >> 2) & 1);
else
sprintf(tempStr, "%d%d%d", (affinity >> 0) & 1, (affinity >> 1) & 1, (affinity >> 2) & 1);
m_thread_list->SetItem(i, 6, tempStr);
// priority
sint32 effectivePriority = cafeThread->effectivePriority;
sprintf(tempStr, "%d", effectivePriority);
m_thread_list->SetItem(i, 7, tempStr);
// last awake in cycles
uint64 lastWakeUpTime = cafeThread->wakeUpTime;
sprintf(tempStr, "%" PRIu64, lastWakeUpTime);
m_thread_list->SetItem(i, 8, tempStr);
// awake time in cycles
uint64 awakeTime = cafeThread->totalCycles;
sprintf(tempStr, "%" PRIu64, awakeTime);
m_thread_list->SetItem(i, 9, tempStr);
// thread name
const char* threadName = "NULL";
if (!cafeThread->threadName.IsNull())
threadName = cafeThread->threadName.GetPtr();
m_thread_list->SetItem(i, 10, threadName);
// GPR
sprintf(tempStr, "r3 %08x r4 %08x r5 %08x r6 %08x r7 %08x", _r(3), _r(4), _r(5), _r(6), _r(7));
m_thread_list->SetItem(i, 11, tempStr);
// waiting condition / extra info
coreinit::OSMutex* mutex = cafeThread->waitingForMutex;
if (mutex)
sprintf(tempStr, "Mutex 0x%08x (Held by thread 0x%08X Lock-Count: %d)", memory_getVirtualOffsetFromPointer(mutex), mutex->owner.GetMPTR(), (uint32)mutex->lockCount);
else
sprintf(tempStr, "");
// OSSetThreadCancelState
if (cafeThread->requestFlags & OSThread_t::REQUEST_FLAG_CANCEL)
strcat(tempStr, "[Cancel requested]");
// OSSetThreadCancelState
if (cafeThread->requestFlags & OSThread_t::REQUEST_FLAG_CANCEL)
strcat(tempStr, "[Cancel requested]");
m_thread_list->SetItem(i, 12, tempStr);
m_thread_list->SetItem(i, 12, tempStr);
if(selected_thread != 0 && selected_thread == (long)threadItrMPTR)
m_thread_list->SetItemState(i, wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED, wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED);
}
srwlock_activeThreadList.UnlockWrite();
__OSUnlockScheduler();
if(selected_thread != 0 && selected_thread == (long)threadItrMPTR)
m_thread_list->SetItemState(i, wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED, wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED);
}
srwlock_activeThreadList.UnlockWrite();
__OSUnlockScheduler();
}
m_thread_list->SetScrollPos(0, scrollPos, true);
}