#define MIPS32_DRET 0x4200001F
extern int mips32_arch_state(struct target_s *target);
-extern int mips32_init_arch_info(target_t *target, mips32_common_t *mips32, int chain_pos, char *variant);
+extern int mips32_init_arch_info(target_t *target, mips32_common_t *mips32, int chain_pos, const char *variant);
extern int mips32_restore_context(target_t *target);
extern int mips32_save_context(target_t *target);
extern reg_cache_t *mips32_build_reg_cache(target_t *target);