or1k_disas.h File Reference

#include <rz_lib.h>

Go to the source code of this file.

Classes
struct	insn_oper_descr_t
struct	insn_type_descr_t
struct	insn_extra_t
struct	insn_t

Macros
#define	INSN_OPCODE_MASK   (0x3fULL * 0x4000000)
#define	INSN_OPCODE_SHIFT   26
#define	INSN_EMPTY_SHIFT   0
#define	INSN_EMPTY_MASK   0
#define	INSN_N_MASK   0x3ffffff
#define	INSN_D_SHIFT   21
#define	INSN_D_MASK   (0x1f * 0x200000)
#define	INSN_K_MASK   0xffff
#define	INSN_B_SHIFT   11
#define	INSN_B_MASK   (0x1f * 0x800)
#define	INSN_A_SHIFT   16
#define	INSN_A_MASK   (0x1f * 0x10000)
#define	INSN_I_MASK   0xffff
#define	INSN_L_MASK   0x3f
#define	INSN_K1_SHIFT   21
#define	INSN_K1_MASK   (0x1f * 0x200000)
#define	INSN_K2_MASK   0x7ff

Typedefs
typedef enum insn_type	insn_type_t

Enumerations
enum	insn_type {   INSN_END = 0 , INSN_INVAL = 0 , INSN_X , INSN_N ,   INSN_DN , INSN_K , INSN_DK , INSN_D ,   INSN_B , INSN_AI , INSN_DAI , INSN_DAK ,   INSN_DAL , INSN_KABK , INSN_AB , INSN_DA ,   INSN_DAB , INSN_IABI , INSN_SIZE }
enum	insn_oper_t {   INSN_OPER_K1 , INSN_OPER_K2 , INSN_OPER_A , INSN_OPER_B ,   INSN_OPER_N , INSN_OPER_K , INSN_OPER_D , INSN_OPER_I ,   INSN_OPER_L , INSN_OPER_SIZE }

Functions
insn_extra_t *	find_extra_descriptor (insn_extra_t *extra_descr, ut32 insn)
ut32	sign_extend (ut32 number, ut32 mask)
	Performs sign extension of number. More...
static ut32	get_operand_mask (insn_type_descr_t *type_descr, insn_oper_t operand)
static ut32	get_operand_shift (insn_type_descr_t *type_descr, insn_oper_t operand)
static ut32	get_operand_value (ut32 insn, insn_type_descr_t *type_descr, insn_oper_t operand)
static int	has_type_descriptor (insn_type_t type)
static int	is_type_descriptor_defined (insn_type_t type)
static insn_type_t	type_of_opcode (insn_t *descr, insn_extra_t *extra_descr)

Variables
insn_type_descr_t	types []
size_t	types_count
insn_extra_t	extra_0x5 []
insn_extra_t	extra_0x6 []
insn_extra_t	extra_0x8 []
insn_extra_t	extra_0x2e []
insn_extra_t	extra_0x2f []
insn_extra_t	extra_0x31 []
insn_extra_t	extra_0x32 []
insn_extra_t	extra_0x38 []
insn_extra_t	extra_0x39 []
insn_t	or1k_insns []
size_t	insns_count

Macro Definition Documentation

INSN_A_MASK

#define INSN_A_MASK   (0x1f * 0x10000)

Mask for A operand

Definition at line 36 of file or1k_disas.h.

INSN_A_SHIFT

#define INSN_A_SHIFT   16

Shift for A operand

Definition at line 34 of file or1k_disas.h.

INSN_B_MASK

#define INSN_B_MASK   (0x1f * 0x800)

Mask for B operand

Definition at line 31 of file or1k_disas.h.

INSN_B_SHIFT

#define INSN_B_SHIFT   11

Shift for B operand

Definition at line 29 of file or1k_disas.h.

INSN_D_MASK

#define INSN_D_MASK   (0x1f * 0x200000)

Mask for D operand

Definition at line 23 of file or1k_disas.h.

INSN_D_SHIFT

#define INSN_D_SHIFT   21

Shift for D operand

Definition at line 21 of file or1k_disas.h.

INSN_EMPTY_MASK

#define INSN_EMPTY_MASK   0

Definition at line 15 of file or1k_disas.h.

INSN_EMPTY_SHIFT

#define INSN_EMPTY_SHIFT   0

Empty mask for unused operands

Definition at line 14 of file or1k_disas.h.

INSN_I_MASK

#define INSN_I_MASK   0xffff

Mask for I operand

Definition at line 39 of file or1k_disas.h.

INSN_K1_MASK

#define INSN_K1_MASK   (0x1f * 0x200000)

Mask for first K operand

Definition at line 47 of file or1k_disas.h.

INSN_K1_SHIFT

#define INSN_K1_SHIFT   21

Shift for first K operand

Definition at line 45 of file or1k_disas.h.

INSN_K2_MASK

#define INSN_K2_MASK   0x7ff

Mask for second K operand

Definition at line 50 of file or1k_disas.h.

INSN_K_MASK

#define INSN_K_MASK   0xffff

Mask for K operand

Definition at line 26 of file or1k_disas.h.

INSN_L_MASK

#define INSN_L_MASK   0x3f

Mask for L operand

Definition at line 42 of file or1k_disas.h.

INSN_N_MASK

#define INSN_N_MASK   0x3ffffff

Mask for N operand

Definition at line 18 of file or1k_disas.h.

INSN_OPCODE_MASK

#define INSN_OPCODE_MASK   (0x3fULL * 0x4000000)

Default mask for opcode

Definition at line 10 of file or1k_disas.h.

INSN_OPCODE_SHIFT

#define INSN_OPCODE_SHIFT   26

Definition at line 11 of file or1k_disas.h.

Typedef Documentation

insn_type_t

typedef enum insn_type insn_type_t

Enumeration Type Documentation

insn_oper_t

enum insn_oper_t

Enumerator
INSN_OPER_K1	5-bit MSBs of immediate
INSN_OPER_K2	11-bit LSBs of immediate
INSN_OPER_A	5-bit source register
INSN_OPER_B	5-bit source register
INSN_OPER_N	26-bit immediate
INSN_OPER_K	16-bit immediate
INSN_OPER_D	5-bit destination register
INSN_OPER_I	16-bit immediate
INSN_OPER_L	6-bit immediate
INSN_OPER_SIZE	number of operand types

Definition at line 80 of file or1k_disas.h.

             {
    INSN_OPER_K1, 
    INSN_OPER_K2, 
    INSN_OPER_A, 
    INSN_OPER_B, 
    INSN_OPER_N, 
    INSN_OPER_K, 
    INSN_OPER_D, 
    INSN_OPER_I, 
    INSN_OPER_L, 
    INSN_OPER_SIZE 
} insn_oper_t;

insn_type

enum insn_type

Enumerator
INSN_END	end of array indicator
INSN_INVAL	invalid opcode
INSN_X	no operands
INSN_N	26-bit immediate
INSN_DN	5-bit destination register, then 26-bit immediate
INSN_K	16-bit immediate
INSN_DK	5-bit destination register, then 16-bit immediate
INSN_D	5-bit destination register
INSN_B	5-bit source register
INSN_AI	5-bit source register, then 16-bit immediate
INSN_DAI	5-bit destination register, 5-bit source register, then 16-bit immediate
INSN_DAK	5-bit destination register, 5-bit source register, then 16-bit immediate
INSN_DAL	5-bit destination register, 5-bit source register, then 6-bit immediate
INSN_KABK	5-bit MSB of immediate, 5-bit source register, 5-bit source register, then 11-bit rest of immediate
INSN_AB	5-bit source register, then 5-bit source register
INSN_DA	5-bit destination register, then 5-bit source register
INSN_DAB	5-bit destination register, 5-bit source register, then 5-bit source register
INSN_IABI	5-bit MSB of immediate, 5-bit source register, 5-bit source register, then 11-bit rest of immediate
INSN_SIZE	number of types

Definition at line 52 of file or1k_disas.h.

                       {
    INSN_END = 0, 
    INSN_INVAL = 0, 
    INSN_X, 
    INSN_N, 
    INSN_DN, 
    INSN_K, 
    INSN_DK, 
    INSN_D, 
    INSN_B, 
    INSN_AI, 
    INSN_DAI, 
    INSN_DAK, 
    INSN_DAL, 
    INSN_KABK, 
    INSN_AB, 
    INSN_DA, 
    INSN_DAB, 
    INSN_IABI, 
    INSN_SIZE, 
} insn_type_t;

Function Documentation

find_extra_descriptor()

insn_extra_t* find_extra_descriptor	(	insn_extra_t *	extra_descr,
		ut32	insn
	)

Definition at line 288 of file or1k_disas.c.

                                                                          {
    ut32 opcode;
    while (extra_descr->type != INSN_END) {
        opcode = (insn & extra_descr->opcode_mask);
        if (extra_descr->opcode == opcode) {
            break;
        }
        extra_descr++;
    }
    if (extra_descr->type != INSN_END) {
        return extra_descr;
    } else {
        return NULL;
    }
}

References INSN_END, NULL, insn_extra_t::opcode, insn_extra_t::opcode_mask, and insn_extra_t::type.

Referenced by disassemble(), and or1k_op().

get_operand_mask()

static ut32 get_operand_mask ( insn_type_descr_t *  type_descr, insn_oper_t  operand  )

inlinestatic

Definition at line 152 of file or1k_disas.h.

                                                                                        {
    return type_descr->operands[operand].mask;
}

References insn_oper_descr_t::mask, and insn_type_descr_t::operands.

Referenced by get_operand_value(), insn_to_op(), and insn_to_str().

get_operand_shift()

static ut32 get_operand_shift ( insn_type_descr_t *  type_descr, insn_oper_t  operand  )

inlinestatic

Definition at line 156 of file or1k_disas.h.

                                                                                         {
    return type_descr->operands[operand].shift;
}

References insn_type_descr_t::operands, and insn_oper_descr_t::shift.

Referenced by get_operand_value().

get_operand_value()

static ut32 get_operand_value ( ut32  insn, insn_type_descr_t *  type_descr, insn_oper_t  operand  )

inlinestatic

Definition at line 160 of file or1k_disas.h.

                                                                                                    {
    return (insn & get_operand_mask(type_descr, operand)) >> get_operand_shift(type_descr, operand);
}

References get_operand_mask(), and get_operand_shift().

Referenced by insn_to_op(), and insn_to_str().

has_type_descriptor()

static int has_type_descriptor ( insn_type_t  type )

inlinestatic

Definition at line 164 of file or1k_disas.h.

                                                        {
    return types + types_count > &types[type];
}

References type, types, and types_count.

Referenced by insn_to_op(), and insn_to_str().

is_type_descriptor_defined()

static int is_type_descriptor_defined ( insn_type_t  type )

inlinestatic

Definition at line 168 of file or1k_disas.h.

                                                               {
    return types[type].type == type;
}

References type, insn_type_descr_t::type, and types.

Referenced by insn_to_op(), and insn_to_str().

sign_extend()

ut32 sign_extend	(	ut32	number,
		ut32	mask
	)

Performs sign extension of number.

Parameters

number	number to extend
mask	mask under which number is placed

Returns

sign-extended number

If mask does not begin on the lsb, space on the right will also be filled with ones

Definition at line 304 of file or1k_disas.c.

                                         {
    /* xor of mask with itself shifted left detects msb of mask and msb of space
     * on the right. And discards the latter */
    ut32 first_bit = (mask ^ (mask >> 1)) & mask;
    /* if first bit is set */
    if (number & first_bit) {
        /* set every bit outside mask */
        number |= ~mask;
    }
    return number;
}

References mask.

type_of_opcode()

static insn_type_t type_of_opcode ( insn_t *  descr, insn_extra_t *  extra_descr  )

inlinestatic

Definition at line 172 of file or1k_disas.h.

                                                                                   {
    rz_return_val_if_fail(descr, INSN_END);
 
    if (extra_descr == NULL) {
        return descr->type;
    } else {
        return extra_descr->type;
    }
}

References INSN_END, NULL, rz_return_val_if_fail, insn_extra_t::type, and insn_t::type.

Referenced by insn_to_op(), and insn_to_str().

Variable Documentation

extra_0x2e

insn_extra_t extra_0x2e[]

extern

Definition at line 98 of file or1k_disas.c.

extra_0x2f

insn_extra_t extra_0x2f[]

extern

Definition at line 106 of file or1k_disas.c.

extra_0x31

insn_extra_t extra_0x31[]

extern

Definition at line 120 of file or1k_disas.c.

extra_0x32

insn_extra_t extra_0x32[]

extern

Definition at line 128 of file or1k_disas.c.

extra_0x38

insn_extra_t extra_0x38[]

extern

Definition at line 176 of file or1k_disas.c.

extra_0x39

insn_extra_t extra_0x39[]

extern

Definition at line 205 of file or1k_disas.c.

extra_0x5

insn_extra_t extra_0x5[]

extern

Definition at line 78 of file or1k_disas.c.

extra_0x6

insn_extra_t extra_0x6[]

extern

Definition at line 83 of file or1k_disas.c.

extra_0x8

insn_extra_t extra_0x8[]

extern

Definition at line 89 of file or1k_disas.c.

insns_count

size_t insns_count

extern

Definition at line 286 of file or1k_disas.c.

Referenced by disassemble(), and or1k_op().

or1k_insns

insn_t or1k_insns[]

extern

Definition at line 219 of file or1k_disas.c.

Referenced by disassemble(), and or1k_op().

types

insn_type_descr_t types[]

extern

Definition at line 7 of file or1k_disas.c.

Referenced by file_ascmagic(), has_type_descriptor(), insn_to_op(), insn_to_str(), is_type_descriptor_defined(), is_valid_omf_type(), lzh_decompress(), parse_real(), pdb_types_print_json(), pdb_types_print_standard(), rz_analysis_type_links(), rz_bin_wasm_get_types(), rz_core_analysis_address(), rz_core_fortune_get_random(), rz_core_fortune_list(), rz_core_types_print_all(), rz_type_db_all(), rz_type_db_get_base_types(), rz_type_db_get_base_types_of_kind(), rz_type_db_get_by_offset(), rz_type_parser_init(), rz_type_typeclass_get_all(), rz_type_typeclass_get_all_sized(), type_match(), and types_xrefs_all().

types_count

size_t types_count

extern

Definition at line 76 of file or1k_disas.c.

Referenced by has_type_descriptor().