extern struct target_desc *tdesc_amd64_linux;
extern struct target_desc *tdesc_amd64_avx_linux;
extern struct target_desc *tdesc_amd64_mpx_linux;
extern struct target_desc *tdesc_amd64_linux;
extern struct target_desc *tdesc_amd64_avx_linux;
extern struct target_desc *tdesc_amd64_mpx_linux;