1 /* 2 * SPDX-License-Identifier: CDDL 1.0 3 * 4 * Copyright 2023 Christos Margiolis <christos@FreeBSD.org> 5 */ 6 7 #include <sys/types.h> 8 #include <sys/dtrace.h> 9 10 #include <machine/riscvreg.h> 11 12 #define RVC_MASK 0x03 13 14 int 15 dtrace_instr_size(uint8_t *instr) 16 { 17 /* Detect compressed instructions. */ 18 if ((~(*instr) & RVC_MASK) == 0) 19 return (INSN_SIZE); 20 else 21 return (INSN_C_SIZE); 22 } 23