ins.h File Reference

#include <rz_types.h>
#include "utils.h"

Go to the source code of this file.

Functions
ut32	get_ins_len (ut8 opcode)
ut32	get_ins_part (ut32 pos, ut32 len)

Function Documentation

get_ins_len()

ut32 get_ins_len

(

ut8

opcode

)

Definition at line 11 of file ins.c.

                             {
    ut32 val = (opcode >> 4) & 0xF;
    ut32 len = 0;
 
    switch (val) {
    case 0:
    case 1:
        len = 2;
        break;
    case 2:
    case 3:
        len = 1;
        break;
    case 4:
    case 5:
    case 6:
    case 7:
        len = 3;
        break;
    case 8:
    case 9:
    case 10:
        len = 4;
        break;
    case 11:
    case 12:
    case 13:
        len = 5;
        break;
    case 14:
        len = 6;
        break;
    case 15:
        len = 7;
        break;
    }
 
    return len;
}

get_ins_part()

ut32 get_ins_part	(	ut32	pos,
		ut32	len
	)

Definition at line 51 of file ins.c.

                                      {
    ut32 ret = 0;
    has_failed = 0;
    if (C55PLUS_DEBUG) {
        printf("pos => 0x%x len => %d ins_buff_len => %d\n", pos, len, ins_buff_len);
    }
 
    if ((st32)pos < 0 || pos >= ins_buff_len) {
        has_failed = 1;
        return ret;
    }
 
    for (; len > 0; len--) {
        ret <<= 8;
        if (pos >= ins_buff_len) {
            has_failed = 1;
        } else {
            ret |= ins_buff[pos++];
        }
    }
 
    return ret;
}

References C55PLUS_DEBUG, has_failed, ins_buff, ins_buff_len, len, pos, printf(), and st32.

Referenced by c55plus_decode(), decode_ins(), do_decode(), get_AR_regs_class2(), get_hash_code(), and get_ins_bits().