/// <summary>
/// Initializes a new instance of the <see cref="AAllocatedMemory" /> class.
/// </summary>
/// <param name="processPlus">The reference of the <see cref="AProcessSharp" /> object.</param>
/// <param name="name"></param>
/// <param name="size">The size of the allocated memory.</param>
/// <param name="protection">The protection of the allocated memory.</param>
/// <param name="mustBeDisposed">The allocated memory will be released when the finalizer collects the object.</param>
public AAllocatedMemory(AProcessSharp processPlus, string name, int size,
MemoryProtectionFlags protection = MemoryProtectionFlags.ExecuteReadWrite,
bool mustBeDisposed = true)
: base(processPlus, AMemoryHelper.Allocate(processPlus.Handle, size, protection))
{
// Set local vars
Identifier = name;
MustBeDisposed = mustBeDisposed;
IsDisposed = false;
Size = size;
}
public void SetUserDefinedSymbolAllocSize(String name, UInt32 size, UIntPtr preferredAddress)
{
const String PREV_DEC = "The symbol named %s was previously declared with a size of %s instead of %s." +
" all scripts that use this memory must give the same size. " +
"Adjust the size, or delete the old alloc from the userdefined symbol list";
if (size == 0)
{
throw new Exception("Please provide a bigger size");
}
UIntPtr p;
int i;
for (i = 0; i < UserDefinedSymbols.Length; i++)
{
if (!UserDefinedSymbols[i].IsMatch(name))
{
continue; //it exists, check first
}
if (UserDefinedSymbols[i].AllocSize > 0 && UserDefinedSymbols[i].ProcessId == Process.Native.Id)
{
if (size != UserDefinedSymbols[i].AllocSize)
{
throw new Exception(UStringUtils.Sprintf(PREV_DEC, UserDefinedSymbols[i].Name, UserDefinedSymbols[i].AllocSize, size));
}
}
if (UserDefinedSymbols[i].ProcessId != Process.Native.Id)
{
if (preferredAddress != UIntPtr.Zero)
{
p = AMemoryHelper.Allocate(Process.Handle, preferredAddress.ToIntPtr(), (int)size).ToUIntPtr();
}
else
{
p = AMemoryHelper.Allocate(Process.Handle, (int)size).ToUIntPtr();
}
if (p == UIntPtr.Zero)
{
throw new Exception("Error allocating memory");
}
UserDefinedSymbols[i].Address = p;
UserDefinedSymbols[i].AddressString = AStringUtils.IntToHex(p, 8);
UserDefinedSymbols[i].AllocSize = size;
UserDefinedSymbols[i].ProcessId = Process.Native.Id;
}
return; // Redefined the symbol and exit;
}
//Still here, symbol Not exists, let's define a new one.
if (preferredAddress != UIntPtr.Zero)
{
p = AMemoryHelper.Allocate(Process.Handle, preferredAddress.ToIntPtr(), (int)size).ToUIntPtr();
}
else
{
p = AMemoryHelper.Allocate(Process.Handle, (int)size).ToUIntPtr();
}
if (p == UIntPtr.Zero)
{
throw new Exception("Error allocating memory");
}
AddUserDefinedSymbol(AStringUtils.IntToHex(p, 8), name);
UserDefinedSymbols[i].AllocSize = size;
UserDefinedSymbols[i].ProcessId = Process.Native.Id;
}
