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Made rehupping of memory breakpoints more conservative

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This commit is contained in:
Brian Fiete 2020-11-24 10:36:59 -08:00
parent 3adf9a144e
commit 5f339d811d
2 changed files with 11 additions and 0 deletions
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8
IDEHelper/WinDebugger.cpp
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@ -531,6 +531,7 @@ WinDebugger::WinDebugger(DebugManager* debugManager) : mDbgSymSrv(this)
{
mFreeMemoryBreakIndices.push_back(i);
}
mMemoryBreakpointVersion = 0;
SYSTEM_INFO systemInfo;
GetSystemInfo(&systemInfo);
@ -621,6 +622,9 @@ void WinDebugger::ThreadRestoreUnpause()
void WinDebugger::UpdateThreadDebugRegisters(WdThreadInfo* threadInfo)
{
if (threadInfo->mMemoryBreakpointVersion == mMemoryBreakpointVersion)
return;
auto threadId = threadInfo->mHThread;
BF_CONTEXT lcContext;
@ -655,6 +659,7 @@ void WinDebugger::UpdateThreadDebugRegisters(WdThreadInfo* threadInfo)
}
bool worked = BF_SetThreadContext(threadId, &lcContext) != 0;
BF_ASSERT(worked || (mRunState == RunState_Terminating) || (mRunState == RunState_Terminated));
threadInfo->mMemoryBreakpointVersion = mMemoryBreakpointVersion;
}
void WinDebugger::UpdateThreadDebugRegisters()
@ -3338,6 +3343,7 @@ void WinDebugger::CheckBreakpoint(WdBreakpoint* wdBreakpoint)
mMemoryBreakpoints[memoryBreakIdx].mByteCount = wantBytes[i];
mMemoryBreakpoints[memoryBreakIdx].mOfs = curOfs;
curOfs += wantBytes[i];
mMemoryBreakpointVersion++;
wdBreakpoint->mMemoryBreakpointInfo->mMemoryWatchSlotBitmap |= 1<<memoryBreakIdx;
}
@ -3572,6 +3578,7 @@ void WinDebugger::DeleteBreakpoint(Breakpoint* breakpoint)
{
mFreeMemoryBreakIndices.push_back(memoryWatchSlot);
mMemoryBreakpoints[memoryWatchSlot] = WdMemoryBreakpointBind();
mMemoryBreakpointVersion++;
UpdateThreadDebugRegisters();
}
}
@ -3638,6 +3645,7 @@ void WinDebugger::DetachBreakpoint(Breakpoint* breakpoint)
{
mFreeMemoryBreakIndices.push_back(memoryWatchSlot);
mMemoryBreakpoints[memoryWatchSlot] = WdMemoryBreakpointBind();
mMemoryBreakpointVersion++;
UpdateThreadDebugRegisters();
}
}