JIT compare screen with IR blocks - fix some crashing issues

This commit is contained in:
Henrik Rydgård 2024-05-26 13:57:08 +02:00
parent 7464b5f17b
commit f2837e3b55
6 changed files with 36 additions and 16 deletions

View File

@ -146,7 +146,7 @@ bool IRJit::CompileBlock(u32 em_address, std::vector<IRInst> &instructions, u32
IRBlock *b = blocks_.GetBlock(block_num);
b->SetInstructions(instructions);
b->SetOriginalSize(mipsBytes);
b->SetOriginalAddrSize(em_address, mipsBytes);
if (preload) {
// Hash, then only update page stats, don't link yet.
// TODO: Should we always hash? Then we can reuse blocks.

View File

@ -69,7 +69,8 @@ public:
bool HasOriginalFirstOp() const;
bool RestoreOriginalFirstOp(int number);
bool IsValid() const { return origAddr_ != 0 && origFirstOpcode_.encoding != 0x68FFFFFF; }
void SetOriginalSize(u32 size) {
void SetOriginalAddrSize(u32 address, u32 size) {
origAddr_ = address;
origSize_ = size;
}
void SetTargetOffset(int offset) {
@ -114,25 +115,28 @@ public:
IRBlockCache() {}
void Clear();
std::vector<int> FindInvalidatedBlockNumbers(u32 address, u32 length);
void FinalizeBlock(int i, bool preload = false);
void FinalizeBlock(int blockNum, bool preload = false);
int GetNumBlocks() const override { return (int)blocks_.size(); }
int AllocateBlock(int emAddr) {
blocks_.push_back(IRBlock(emAddr));
return (int)blocks_.size() - 1;
}
IRBlock *GetBlock(int i) {
if (i >= 0 && i < (int)blocks_.size()) {
return &blocks_[i];
IRBlock *GetBlock(int blockNum) {
if (blockNum >= 0 && blockNum < (int)blocks_.size()) {
return &blocks_[blockNum];
} else {
return nullptr;
}
}
IRBlock *GetBlockUnchecked(int i) {
return &blocks_[i];
bool IsValidBlock(int blockNum) const override {
return blockNum < (int)blocks_.size() && blocks_[blockNum].IsValid();
}
const IRBlock *GetBlock(int i) const {
if (i >= 0 && i < (int)blocks_.size()) {
return &blocks_[i];
IRBlock *GetBlockUnchecked(int blockNum) {
return &blocks_[blockNum];
}
const IRBlock *GetBlock(int blockNum) const {
if (blockNum >= 0 && blockNum < (int)blocks_.size()) {
return &blocks_[blockNum];
} else {
return nullptr;
}

View File

@ -714,6 +714,10 @@ void IRNativeBlockCacheDebugInterface::Init(const IRNativeBackend *backend) {
backend_ = backend;
}
bool IRNativeBlockCacheDebugInterface::IsValidBlock(int blockNum) const {
return irBlocks_.IsValidBlock(blockNum);
}
int IRNativeBlockCacheDebugInterface::GetNumBlocks() const {
return irBlocks_.GetNumBlocks();
}

View File

@ -162,10 +162,11 @@ class IRNativeBlockCacheDebugInterface : public JitBlockCacheDebugInterface {
public:
IRNativeBlockCacheDebugInterface(const MIPSComp::IRBlockCache &irBlocks);
void Init(const IRNativeBackend *backend);
int GetNumBlocks() const;
int GetBlockNumberFromStartAddress(u32 em_address, bool realBlocksOnly = true) const;
JitBlockDebugInfo GetBlockDebugInfo(int blockNum) const;
void ComputeStats(BlockCacheStats &bcStats) const;
int GetNumBlocks() const override;
int GetBlockNumberFromStartAddress(u32 em_address, bool realBlocksOnly = true) const override;
JitBlockDebugInfo GetBlockDebugInfo(int blockNum) const override;
void ComputeStats(BlockCacheStats &bcStats) const override;
bool IsValidBlock(int blockNum) const override;
private:
void GetBlockCodeRange(int blockNum, int *startOffset, int *size) const;

View File

@ -109,6 +109,7 @@ public:
virtual int GetBlockNumberFromStartAddress(u32 em_address, bool realBlocksOnly = true) const = 0;
virtual JitBlockDebugInfo GetBlockDebugInfo(int blockNum) const = 0;
virtual void ComputeStats(BlockCacheStats &bcStats) const = 0;
virtual bool IsValidBlock(int blockNum) const = 0;
virtual ~JitBlockCacheDebugInterface() {}
};
@ -164,6 +165,7 @@ public:
void RestoreSavedEmuHackOps(const std::vector<u32> &saved);
int GetNumBlocks() const override { return num_blocks_; }
bool IsValidBlock(int blockNum) const override { return blockNum < num_blocks_ && !blocks_[blockNum].invalid; }
static int GetBlockExitSize();

View File

@ -1060,6 +1060,9 @@ void JitCompareScreen::UpdateDisasm() {
}
JitBlockCacheDebugInterface *blockCacheDebug = MIPSComp::jit->GetBlockCacheDebugInterface();
if (!blockCacheDebug->IsValidBlock(currentBlock_)) {
return;
}
char temp[256];
snprintf(temp, sizeof(temp), "%i/%i", currentBlock_, blockCacheDebug->GetNumBlocks());
@ -1205,7 +1208,13 @@ UI::EventReturn JitCompareScreen::OnRandomBlock(UI::EventParams &e) {
int numBlocks = blockCache->GetNumBlocks();
if (numBlocks > 0) {
currentBlock_ = rand() % numBlocks;
int tries = 100;
while (tries-- > 0) {
currentBlock_ = rand() % numBlocks;
if (blockCache->IsValidBlock(currentBlock_)) {
break;
}
}
}
UpdateDisasm();
return UI::EVENT_DONE;