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Added write-past-end detection in debug allocator

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This commit is contained in:
Brian Fiete 2022-06-02 10:55:29 -07:00
parent be05439421
commit e623449e24
3 changed files with 156 additions and 23 deletions
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15
BeefRT/dbg/DbgInternal.cpp
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@ -292,10 +292,12 @@ bf::System::Object* Internal::Dbg_ObjectAlloc(bf::System::Reflection::TypeInstan
{
BF_ASSERT((BFRTFLAGS & BfRtFlags_ObjectHasDebugFlags) != 0);
Object* result;
intptr allocSize = BF_ALIGN(size, typeInst->mInstAlign);
//TODO: Why did we align this?
//intptr allocSize = BF_ALIGN(size, typeInst->mInstAlign);
intptr allocSize = size;
uint8* allocBytes = (uint8*)BfObjectAllocate(allocSize, typeInst->_GetType());
// int dataOffset = (int)(sizeof(intptr) * 2);
// memset(allocBytes + dataOffset, 0, size - dataOffset);
result = (bf::System::Object*)allocBytes;
auto classVData = typeInst->mTypeClassVData;
(void)classVData;
@ -343,10 +345,11 @@ bf::System::Object* Internal::Dbg_ObjectAlloc(bf::System::ClassVData* classVData
bf::System::Object* result;
if ((BFRTFLAGS & BfRtFlags_LeakCheck) != 0)
{
allocSize = BF_ALIGN(allocSize, align);
//TODO: Why did we align this?
//intptr allocSize = BF_ALIGN(size, typeInst->mInstAlign);
intptr allocSize = size;
uint8* allocBytes = (uint8*)BfObjectAllocate(allocSize, classVData->mType);
// int dataOffset = (int)(sizeof(intptr) * 2);
// memset(allocBytes + dataOffset, 0, size - dataOffset);
result = (bf::System::Object*)(allocBytes);
}
else