__memcpy_sse2_unaligned - what does this mean in detail?
2017-08-09 14:31
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背景:
出现段错误，展示出错位置在__memcpy_sse2_unaligned
原因:
一般这个原因是由于拷贝的memcpy拷贝的两个地址中出现了无效地址
我出现的问题:
address + offsset
而offset是由int数值进行计算得到的，
由于其中有些int值很大，那么相乘最大可能为2^32 * 2^32 = 2^64是会出现超过int的容量的，
这会导致内存越界情况
__memcpy_sse2_unaligned
出现段错误，展示出错位置在__memcpy_sse2_unaligned
原因:
一般这个原因是由于拷贝的memcpy拷贝的两个地址中出现了无效地址
我出现的问题:
address + offsset
而offset是由int数值进行计算得到的，
由于其中有些int值很大，那么相乘最大可能为2^32 * 2^32 = 2^64是会出现超过int的容量的，
这会导致内存越界情况
__memcpy_sse2_unaligned
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