/* memset is implemented as: 1. Use overlapping store to avoid branch. 2. If size i...
它不写任何内存,它返回实际实现的地址(在你的例子中是__memset_avx2_unaligned_erms)。
gdb-peda$ bt#0 __memset_avx2_erms () at ../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:151#1 0x000055555559a253 in _TIFFmemset (p=0x0, v=0x0, c=0x1093fb60) at tif_unix.c:340#2 0x000055555556c100 in createImageSection (sectsize=0x1093fb60, sect_buff_ptr=0x7fffffff8e...