BranchARMThumb.c
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BranchARMThumb.c
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	/* BranchARMThumb.c */

	#include "BranchARMThumb.h"

	UInt32 ARMThumb_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
	{
	UInt32 i;
	for (i = 0; i + 4 <= size; i += 2)
	{
	if ((data[i + 1] & 0xF8) == 0xF0 &&
	(data[i + 3] & 0xF8) == 0xF8)
	{
	UInt32 src =
	((data[i + 1] & 0x7) << 19) \|
	(data[i + 0] << 11) \|
	((data[i + 3] & 0x7) << 8) \|
	(data[i + 2]);

	src <<= 1;
	UInt32 dest;
	if (encoding)
	dest = nowPos + i + 4 + src;
	else
	dest = src - (nowPos + i + 4);
	dest >>= 1;

	data[i + 1] = 0xF0 \| ((dest >> 19) & 0x7);
	data[i + 0] = (dest >> 11);
	data[i + 3] = 0xF8 \| ((dest >> 8) & 0x7);
	data[i + 2] = (dest);
	i += 2;
	}
	}
	return i;
	}