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Initial support for nds32 ##arch

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pancake 2023-08-31 15:25:59 +02:00 committed by GitHub
parent a0abf3affc
commit 4a63dd4c23
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11 changed files with 3589 additions and 1 deletions
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1
dist/plugins-cfg/plugins.def.cfg vendored
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@ -12,6 +12,7 @@ arch.arc
arch.arm
arch.arm_cs
arch.arm_gnu
arch.nds32
arch.arm_v35
arch.avr
arch.bf

1
libr/arch/meson.build
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@ -42,6 +42,7 @@ r_arch_sources = [
'p/m68k_gnu/m68k-opc.c',
'p/m68k_cs/plugin.c',
'p/m680x_cs/plugin.c',
'p/nds32/plugin.c',
'p/arm/gnu/floatformat.c',
'p/tms320/plugin.c',
'p/tms320/tms320_dasm.c',

17
libr/arch/p/nds32.mk Normal file
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@ -0,0 +1,17 @@
OBJ_NDS32=p/nds32/plugin.o
STATIC_OBJ+=${OBJ_NDS32}
TARGET_NDS32=nds32.${EXT_SO}
ifeq ($(WITHPIC),1)
ALL_TARGETS+=${TARGET_NDS32}
${TARGET_NDS32}: ${OBJ_NDS32}
${CC} $(call libname,arch_nds32) ${LDFLAGS} ${CFLAGS} \
-o nds32.${EXT_SO} ${OBJ_NDS32}
endif

191
libr/arch/p/nds32/nds32-asm.h Normal file
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@ -0,0 +1,191 @@
/* NDS32-specific support for 32-bit ELF.
Copyright (C) 2012-2013 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA.*/
#ifndef NDS32_ASM_H
#define NDS32_ASM_H
/* Constant values for assembler. */
enum
{
/* Error code for assembling an instruction. */
NASM_OK = 0,
NASM_ERR_UNKNOWN_OP,
NASM_ERR_SYNTAX,
NASM_ERR_OPERAND,
NASM_ERR_OUT_OF_RANGE,
NASM_ERR_REG_REDUCED,
NASM_ERR_JUNK_EOL,
/* Results of parse_operand. */
NASM_R_CONST,
NASM_R_SYMBOL,
NASM_R_ILLEGAL,
/* Flags for open description. */
NASM_OPEN_ARCH_V1 = 0x0,
NASM_OPEN_ARCH_V2 = 0x1,
NASM_OPEN_ARCH_V3 = 0x2,
NASM_OPEN_ARCH_V3M = 0x3,
NASM_OPEN_ARCH_MASK = 0xf,
NASM_OPEN_REDUCED_REG = 0x10,
/* Common attributes. */
NASM_ATTR_ISA_V1 = 0x01,
NASM_ATTR_ISA_V2 = 0x02,
NASM_ATTR_ISA_V3 = 0x04,
NASM_ATTR_ISA_V3M = 0x08,
NASM_ATTR_ISA_ALL = 0x0f,
/* Attributes for instructions. */
NASM_ATTR_MAC = 0x0000100,
NASM_ATTR_DIV = 0x0000200,
NASM_ATTR_FPU = 0x0000400,
NASM_ATTR_FPU_SP_EXT = 0x0000800,
NASM_ATTR_FPU_DP_EXT = 0x0001000,
NASM_ATTR_STR_EXT = 0x0002000,
NASM_ATTR_PERF_EXT = 0x0004000,
NASM_ATTR_PERF2_EXT = 0x0008000,
NASM_ATTR_AUDIO_ISAEXT = 0x0010000,
NASM_ATTR_IFC_EXT = 0x0020000,
NASM_ATTR_EX9_EXT = 0x0040000,
NASM_ATTR_FPU_FMA = 0x0080000,
NASM_ATTR_DXREG = 0x0100000,
NASM_ATTR_BRANCH = 0x0200000,
NASM_ATTR_RELAXABLE = 0x0400000,
NASM_ATTR_PCREL = 0x0800000,
NASM_ATTR_GPREL = 0x1000000,
/* Attributes for relocations. */
NASM_ATTR_HI20 = 0x10000000,
NASM_ATTR_LO12 = 0x20000000,
NASM_ATTR_LO20 = 0x40000000,
/* Attributes for registers. */
NASM_ATTR_RDREG = 0x000100
};
/* Macro for instruction attribute. */
#define ATTR(attr) NASM_ATTR_ ## attr
#define ATTR_NONE 0
#define ATTR_PCREL (ATTR (PCREL) | ATTR (BRANCH))
#define ATTR_ALL (ATTR (ISA_ALL))
#define ATTR_V2UP (ATTR_ALL & ~(ATTR (ISA_V1)))
#define ATTR_V3MUP (ATTR (ISA_V3) | ATTR (ISA_V3M))
#define ATTR_V3 (ATTR (ISA_V3))
#define ATTR_V3MEX_V1 (ATTR_ALL & ~(ATTR (ISA_V3M)))
#define ATTR_V3MEX_V2 (ATTR_V2UP & ~(ATTR (ISA_V3M)))
/* Lexical element in parsed syntax. */
typedef int lex_t;
/* Common header for hash entries. */
struct nds32_hash_entry
{
const char *name;
};
typedef struct nds32_keyword
{
const char *name;
int value;
uint64_t attr;
} keyword_t;
#define NUMOPCODES ((sizeof nds32_opcodes)/(sizeof nds32_opcodes[0]))
typedef struct nds32_opcode
{
/* Opcode for the instruction. */
const char *opcode;
/* Human readable string of this instruction. */
const char *instruction;
/* Base value of this instruction. */
uint32_t value;
/* The byte-size of the instruction. */
int isize;
/* Attributes of this instruction. */
uint64_t attr;
/* Implicit define/use. */
uint64_t defuse;
/* Parsed string for assembling. */
lex_t *syntax;
/* Number of variant. */
int variant;
/* Next form of the same mnemonic. */
struct nds32_opcode *next;
/* TODO: Extra constrains and verification.
For example, `mov55 $sp, $sp' is not allowed in v3. */
} opcode_t;
typedef struct nds32_asm_insn
{
/* Assembled instruction bytes. */
uint32_t insn;
/* The opcode structure for this instruction. */
struct nds32_opcode *opcode;
/* The field need special fix-up, used for relocation. */
const struct nds32_field *field;
/* Attributes for relocation. */
uint64_t attr;
/* Application-dependent data, e.g., expression. */
void *info;
/* Input/output registers. */
uint64_t defuse;
} nds32_asm_insn_t;
typedef struct nds32_asm_desc
{
/* The callback provided by assembler user for parse an operand,
e.g., parse integer. */
int (*parse_operand) (struct nds32_asm_desc *,
struct nds32_asm_insn *,
char **, int64_t *);
/* Result of assembling. */
int result;
/* The mach for this assembling. */
int mach;
int flags;
} nds32_asm_desc_t;
/* The field information for an operand. */
typedef struct nds32_field
{
/* Name of the field. */
const char *name;
int bitpos;
int bitsize;
int shift;
int hw_res;
int (*parse) (struct nds32_asm_desc *,
struct nds32_asm_insn *,
char **, int64_t *);
} field_t;
extern void nds32_assemble (nds32_asm_desc_t *, nds32_asm_insn_t *, char *);
extern void nds32_asm_init (nds32_asm_desc_t *, int);
#endif

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libr/arch/p/nds32/nds32-dis.h Normal file
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1003
libr/arch/p/nds32/nds32-opc.h Normal file
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829
libr/arch/p/nds32/nds32.h Normal file
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@ -0,0 +1,829 @@
/* nds32.h -- Header file for nds32 opcode table
Copyright (C) 2012-2013 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef OPCODE_NDS32_H
#define OPCODE_NDS32_H
/* Registers. */
#define REG_R5 5
#define REG_R8 8
#define REG_R10 10
#define REG_R12 12
#define REG_R15 15
#define REG_R16 16
#define REG_R20 20
#define REG_TA 15
#define REG_FP 28
#define REG_GP 29
#define REG_LP 30
#define REG_SP 31
/* Macros for extracting fields or making an instruction. */
static const int nds32_r45map[] =
{
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 16, 17, 18, 19
};
static const int nds32_r54map[] =
{
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, -1, -1, -1, -1,
12, 13, 14, 15, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1
};
#define __BIT(n) (1 << (n))
#define __MASK(n) (__BIT (n) - 1)
#define __MF(v, off, bs) (((v) & __MASK (bs)) << (off))
#define __GF(v, off, bs) (((v) >> off) & __MASK (bs))
#define __SEXT(v, bs) ((((v) & ((1 << (bs)) - 1)) ^ (1 << ((bs) - 1))) - (1 << ((bs) - 1)))
/* Make nds32 instructions. */
#define N32_TYPE4(op6, rt5, ra5, rb5, rd5, sub5) \
(__MF (N32_OP6_##op6, 25, 6) | __MF (rt5, 20, 5) \
| __MF (ra5, 15, 5) | __MF (rb5, 10, 5) \
| __MF (rd5, 5, 5) | __MF (sub5, 0, 5))
#define N32_TYPE3(op6, rt5, ra5, rb5, sub10) \
(N32_TYPE4 (op6, rt5, ra5, rb5, 0, 0) \
| __MF (sub10, 0, 10))
#define N32_TYPE2(op6, rt5, ra5, imm15) \
(N32_TYPE3 (op6, rt5, ra5, 0, 0) | __MF (imm15, 0, 15))
#define N32_TYPE1(op6, rt5, imm20) \
(N32_TYPE2 (op6, rt5, 0, 0) | __MF (imm20, 0, 20))
#define N32_TYPE0(op6, imm25) \
(N32_TYPE1 (op6, 0, 0) | __MF (imm25, 0, 25))
#define N32_ALU1(sub, rt, ra, rb) \
N32_TYPE4 (ALU1, rt, ra, rb, 0, N32_ALU1_##sub)
#define N32_ALU1_SH(sub, rt, ra, rb, rd) \
N32_TYPE4 (ALU1, rt, ra, rb, rd, N32_ALU1_##sub)
#define N32_ALU2(sub, rt, ra, rb) \
N32_TYPE3 (ALU2, rt, ra, rb, N32_ALU2_##sub)
#define N32_BR1(sub, rt, ra, imm14s) \
N32_TYPE2 (BR1, rt, ra, (N32_BR1_##sub << 14) | (imm14s & __MASK (14)))
#define N32_BR2(sub, rt, imm16s) \
N32_TYPE1 (BR2, rt, (N32_BR2_##sub << 16) | (imm16s & __MASK (16)))
#define N32_BR3(sub, rt, imm11s, imm8s) \
N32_TYPE1 (BR3, rt, (N32_BR3_##sub << 19) \
| ((imm11s & __MASK (11)) << 8) \
| (imm8s & __MASK (8)))
#define N32_JI(sub, imm24s) \
N32_TYPE0 (JI, (N32_JI_##sub << 24) | (imm24s & __MASK (24)))
#define N32_JREG(sub, rt, rb, dtit, hint) \
N32_TYPE4(JREG, rt, 0, rb, (dtit << 3) | (hint & 7), N32_JREG_##sub)
#define N32_MEM(sub, rt, ra, rb, sv) \
N32_TYPE3 (MEM, rt, ra, rb, (sv << 8) | N32_MEM_##sub)
#define N16_TYPE55(op5, rt5, ra5) \
(0x8000 | __MF (N16_T55_##op5, 10, 5) | __MF (rt5, 5, 5) \
| __MF (ra5, 0, 5))
#define N16_TYPE45(op6, rt4, ra5) \
(0x8000 | __MF (N16_T45_##op6, 9, 6) | __MF (rt4, 5, 4) \
| __MF (ra5, 0, 5))
#define N16_TYPE333(op6, rt3, ra3, rb3) \
(0x8000 | __MF (N16_T333_##op6, 9, 6) | __MF (rt3, 6, 3) \
| __MF (ra3, 3, 3) | __MF (rb3, 0, 3))
#define N16_TYPE36(op6, rt3, imm6) \
(0x8000 | __MF (N16_T36_##op6, 9, 6) | __MF (rt3, 6, 3) \
| __MF (imm6, 0, 6))
#define N16_TYPE38(op4, rt3, imm8) \
(0x8000 | __MF (N16_T38_##op4, 11, 4) | __MF (rt3, 8, 3) \
| __MF (imm8, 0, 8))
#define N16_TYPE37(op4, rt3, ls, imm7) \
(0x8000 | __MF (N16_T37_##op4, 11, 4) | __MF (rt3, 8, 3) \
| __MF (imm7, 0, 7) | __MF (ls, 7, 1))
#define N16_TYPE5(op10, imm5) \
(0x8000 | __MF (N16_T5_##op10, 5, 10) | __MF (imm5, 0, 5))
#define N16_TYPE8(op7, imm8) \
(0x8000 | __MF (N16_T8_##op7, 8, 7) | __MF (imm8, 0, 8))
#define N16_TYPE9(op6, imm9) \
(0x8000 | __MF (N16_T9_##op6, 9, 6) | __MF (imm9, 0, 9))
#define N16_TYPE10(op5, imm10) \
(0x8000 | __MF (N16_T10_##op5, 10, 5) | __MF (imm10, 0, 10))
#define N16_TYPE25(op8, re, imm5) \
(0x8000 | __MF (N16_T25_##op8, 7, 8) | __MF (re, 5, 2) \
| __MF (imm5, 0, 5))
#define N16_MISC33(sub, rt, ra) \
N16_TYPE333 (MISC33, rt, ra, N16_MISC33_##sub)
#define N16_BFMI333(sub, rt, ra) \
N16_TYPE333 (BFMI333, rt, ra, N16_BFMI333_##sub)
/* Get instruction fields.
Macros used for handling 32-bit and 16-bit instructions are
prefixed with N32_ and N16_ respectively. */
#define N32_OP6(insn) (((insn) >> 25) & 0x3f)
#define N32_RT5(insn) (((insn) >> 20) & 0x1f)
#define N32_RT53(insn) (N32_RT5 (insn) & 0x7)
#define N32_RT54(insn) nds32_r54map[N32_RT5 (insn)]
#define N32_RA5(insn) (((insn) >> 15) & 0x1f)
#define N32_RA53(insn) (N32_RA5 (insn) & 0x7)
#define N32_RA54(insn) nds32_r54map[N32_RA5 (insn)]
#define N32_RB5(insn) (((insn) >> 10) & 0x1f)
#define N32_UB5(insn) (((insn) >> 10) & 0x1f)
#define N32_RB53(insn) (N32_RB5 (insn) & 0x7)
#define N32_RB54(insn) nds32_r54map[N32_RB5 (insn)]
#define N32_RD5(insn) (((insn) >> 5) & 0x1f)
#define N32_SH5(insn) (((insn) >> 5) & 0x1f)
#define N32_SUB5(insn) (((insn) >> 0) & 0x1f)
#define N32_SWID(insn) (((insn) >> 5) & 0x3ff)
#define N32_IMMU(insn, bs) ((insn) & __MASK (bs))
#define N32_IMMS(insn, bs) ((signed) __SEXT (((insn) & __MASK (bs)), bs))
#define N32_IMM5U(insn) N32_IMMU (insn, 5)
#define N32_IMM12S(insn) N32_IMMS (insn, 12)
#define N32_IMM14S(insn) N32_IMMS (insn, 14)
#define N32_IMM15U(insn) N32_IMMU (insn, 15)
#define N32_IMM15S(insn) N32_IMMS (insn, 15)
#define N32_IMM16S(insn) N32_IMMS (insn, 16)
#define N32_IMM17S(insn) N32_IMMS (insn, 17)
#define N32_IMM20S(insn) N32_IMMS (insn, 20)
#define N32_IMM20U(insn) N32_IMMU (insn, 20)
#define N32_IMM24S(insn) N32_IMMS (insn, 24)
#define N16_RT5(insn) (((insn) >> 5) & 0x1f)
#define N16_RT4(insn) nds32_r45map[(((insn) >> 5) & 0xf)]
#define N16_RT3(insn) (((insn) >> 6) & 0x7)
#define N16_RT38(insn) (((insn) >> 8) & 0x7)
#define N16_RT8(insn) (((insn) >> 8) & 0x7)
#define N16_RA5(insn) ((insn) & 0x1f)
#define N16_RA3(insn) (((insn) >> 3) & 0x7)
#define N16_RB3(insn) ((insn) & 0x7)
#define N16_IMM3U(insn) N32_IMMU (insn, 3)
#define N16_IMM5U(insn) N32_IMMU (insn, 5)
#define N16_IMM5S(insn) N32_IMMS (insn, 5)
#define N16_IMM6U(insn) N32_IMMU (insn, 6)
#define N16_IMM7U(insn) N32_IMMU (insn, 7)
#define N16_IMM8S(insn) N32_IMMS (insn, 8)
#define N16_IMM9U(insn) N32_IMMU (insn, 9)
#define N16_IMM10S(insn) N32_IMMS (insn, 10)
#define IS_WITHIN_U(v, n) (((v) >> n) == 0)
#define IS_WITHIN_S(v, n) IS_WITHIN_U ((v) + (1 << ((n) - 1)), n)
/* Get fields for specific instruction. */
#define N32_JREG_T(insn) (((insn) >> 8) & 0x3)
#define N32_JREG_HINT(insn) (((insn) >> 5) & 0x7)
#define N32_BR2_SUB(insn) (((insn) >> 16) & 0xf)
#define N32_COP_SUB(insn) ((insn) & 0xf)
#define N32_COP_CP(insn) (((insn) >> 4) & 0x3)
/* Check fields. */
#define N32_IS_RT3(insn) (N32_RT5 (insn) < 8)
#define N32_IS_RA3(insn) (N32_RA5 (insn) < 8)
#define N32_IS_RB3(insn) (N32_RB5 (insn) < 8)
#define N32_IS_RT4(insn) (nds32_r54map[N32_RT5 (insn)] != -1)
#define N32_IS_RA4(insn) (nds32_r54map[N32_RA5 (insn)] != -1)
#define N32_IS_RB4(insn) (nds32_r54map[N32_RB5 (insn)] != -1)
/* These are opcodes for Nxx_TYPE macros.
They are prefixed by corresponding TYPE to avoid misusing. */
enum n32_opcodes
{
/* Main opcodes (OP6). */
N32_OP6_LBI = 0x0,
N32_OP6_LHI,
N32_OP6_LWI,
N32_OP6_LDI,
N32_OP6_LBI_BI,
N32_OP6_LHI_BI,
N32_OP6_LWI_BI,
N32_OP6_LDI_BI,
N32_OP6_SBI = 0x8,
N32_OP6_SHI,
N32_OP6_SWI,
N32_OP6_SDI,
N32_OP6_SBI_BI,
N32_OP6_SHI_BI,
N32_OP6_SWI_BI,
N32_OP6_SDI_BI,
N32_OP6_LBSI = 0x10,
N32_OP6_LHSI,
N32_OP6_LWSI,
N32_OP6_DPREFI,
N32_OP6_LBSI_BI,
N32_OP6_LHSI_BI,
N32_OP6_LWSI_BI,
N32_OP6_LBGP,
N32_OP6_LWC = 0x18,
N32_OP6_SWC,
N32_OP6_LDC,
N32_OP6_SDC,
N32_OP6_MEM,
N32_OP6_LSMW,
N32_OP6_HWGP,
N32_OP6_SBGP,
N32_OP6_ALU1 = 0x20,
N32_OP6_ALU2,
N32_OP6_MOVI,
N32_OP6_SETHI,
N32_OP6_JI,
N32_OP6_JREG,
N32_OP6_BR1,
N32_OP6_BR2,
N32_OP6_ADDI = 0x28,
N32_OP6_SUBRI,
N32_OP6_ANDI,
N32_OP6_XORI,
N32_OP6_ORI,
N32_OP6_BR3,
N32_OP6_SLTI,
N32_OP6_SLTSI,
N32_OP6_AEXT = 0x30,
N32_OP6_CEXT,
N32_OP6_MISC,
N32_OP6_BITCI,
N32_OP6_0x34,
N32_OP6_COP,
N32_OP6_0x36,
N32_OP6_0x37,
N32_OP6_SIMD = 0x38,
/* Sub-opcodes of specific opcode. */
/* bit-24 */
N32_BR1_BEQ = 0,
N32_BR1_BNE = 1,
/* bit[16:19] */
N32_BR2_IFCALL = 0,
N32_BR2_BEQZ = 2,
N32_BR2_BNEZ = 3,
N32_BR2_BGEZ = 4,
N32_BR2_BLTZ = 5,
N32_BR2_BGTZ = 6,
N32_BR2_BLEZ = 7,
N32_BR2_BGEZAL = 0xc,
N32_BR2_BLTZAL = 0xd,
/* bit-19 */
N32_BR3_BEQC = 0,
N32_BR3_BNEC = 1,
/* bit-24 */
N32_JI_J = 0,
N32_JI_JAL = 1,
/* bit[0:4] */
N32_JREG_JR = 0,
N32_JREG_JRAL = 1,
N32_JREG_JRNEZ = 2,
N32_JREG_JRALNEZ = 3,
/* bit[0:4] */
N32_ALU1_ADD_SLLI = 0x0,
N32_ALU1_SUB_SLLI,
N32_ALU1_AND_SLLI,
N32_ALU1_XOR_SLLI,
N32_ALU1_OR_SLLI,
N32_ALU1_ADD = 0x0,
N32_ALU1_SUB,
N32_ALU1_AND,
N32_ALU1_XOR,
N32_ALU1_OR,
N32_ALU1_NOR,
N32_ALU1_SLT,
N32_ALU1_SLTS,
N32_ALU1_SLLI = 0x8,
N32_ALU1_SRLI,
N32_ALU1_SRAI,
N32_ALU1_ROTRI,
N32_ALU1_SLL,
N32_ALU1_SRL,
N32_ALU1_SRA,
N32_ALU1_ROTR,
N32_ALU1_SEB = 0x10,
N32_ALU1_SEH,
N32_ALU1_BITC,
N32_ALU1_ZEH,
N32_ALU1_WSBH,
N32_ALU1_OR_SRLI,
N32_ALU1_DIVSR,
N32_ALU1_DIVR,
N32_ALU1_SVA = 0x18,
N32_ALU1_SVS,
N32_ALU1_CMOVZ,
N32_ALU1_CMOVN,
N32_ALU1_ADD_SRLI,
N32_ALU1_SUB_SRLI,
N32_ALU1_AND_SRLI,
N32_ALU1_XOR_SRLI,
/* bit[0:5], where bit[6:9] == 0 */
N32_ALU2_MAX = 0,
N32_ALU2_MIN,
N32_ALU2_AVE,
N32_ALU2_ABS,
N32_ALU2_CLIPS,
N32_ALU2_CLIP,
N32_ALU2_CLO,
N32_ALU2_CLZ,
N32_ALU2_BSET = 0x8,
N32_ALU2_BCLR,
N32_ALU2_BTGL,
N32_ALU2_BTST,
N32_ALU2_BSE,
N32_ALU2_BSP,
N32_ALU2_FFB,
N32_ALU2_FFMISM,
N32_ALU2_ADD_SC = 0x10,
N32_ALU2_SUB_SC,
N32_ALU2_ADD_WC,
N32_ALU2_SUB_WC,
N32_ALU2_0x14,
N32_ALU2_0x15,
N32_ALU2_0x16,
N32_ALU2_FFZMISM,
N32_ALU2_QADD = 0x18,
N32_ALU2_QSUB,
N32_ALU2_MFUSR = 0x20,
N32_ALU2_MTUSR,
N32_ALU2_0x22,
N32_ALU2_0x23,
N32_ALU2_MUL,
N32_ALU2_0x25,
N32_ALU2_0x26,
N32_ALU2_MULTS64 = 0x28,
N32_ALU2_MULT64,
N32_ALU2_MADDS64,
N32_ALU2_MADD64,
N32_ALU2_MSUBS64,
N32_ALU2_MSUB64,
N32_ALU2_DIVS,
N32_ALU2_DIV,
N32_ALU2_0x30 = 0x30,
N32_ALU2_MULT32,
N32_ALU2_0x32,
N32_ALU2_MADD32,
N32_ALU2_0x34,
N32_ALU2_MSUB32,
/* bit[0:5], where bit[6:9] != 0 */
N32_ALU2_FFBI = 0xe,
N32_ALU2_FLMISM = 0xf,
N32_ALU2_MULSR64 = 0x28,
N32_ALU2_MULR64 = 0x29,
N32_ALU2_MADDR32 = 0x33,
N32_ALU2_MSUBR32 = 0x35,
/* bit[0:5] */
N32_MEM_LB = 0,
N32_MEM_LH,
N32_MEM_LW,
N32_MEM_LD,
N32_MEM_LB_BI,
N32_MEM_LH_BI,
N32_MEM_LW_BI,
N32_MEM_LD_BI,
N32_MEM_SB,
N32_MEM_SH,
N32_MEM_SW,
N32_MEM_SD,
N32_MEM_SB_BI,
N32_MEM_SH_BI,
N32_MEM_SW_BI,
N32_MEM_SD_BI,
N32_MEM_LBS,
N32_MEM_LHS,
N32_MEM_LWS, /* Not used. */
N32_MEM_DPREF,
N32_MEM_LBS_BI,
N32_MEM_LHS_BI,
N32_MEM_LWS_BI, /* Not used. */
N32_MEM_0x17, /* Not used. */
N32_MEM_LLW,
N32_MEM_SCW,
N32_MEM_LBUP = 0x20,
N32_MEM_LWUP = 0x22,
N32_MEM_SBUP = 0x28,
N32_MEM_SWUP = 0x2a,
/* bit[0:1] */
N32_LSMW_LSMW = 0,
N32_LSMW_LSMWA,
N32_LSMW_LSMWZB,
/* bit[2:4] */
N32_LSMW_BI = 0,
N32_LSMW_BIM,
N32_LSMW_BD,
N32_LSMW_BDM,
N32_LSMW_AI,
N32_LSMW_AIM,
N32_LSMW_AD,
N32_LSMW_ADM,
/* bit[0:4] */
N32_MISC_STANDBY = 0,
N32_MISC_CCTL,
N32_MISC_MFSR,
N32_MISC_MTSR,
N32_MISC_IRET,
N32_MISC_TRAP,
N32_MISC_TEQZ,
N32_MISC_TNEZ,
N32_MISC_DSB = 0x8,
N32_MISC_ISB,
N32_MISC_BREAK,
N32_MISC_SYSCALL,
N32_MISC_MSYNC,
N32_MISC_ISYNC,
N32_MISC_TLBOP,
N32_MISC_0xf,
/* bit[0;4] */
N32_SIMD_PBSAD = 0,
N32_SIMD_PBSADA = 1,
/* bit[0:3] */
N32_COP_CPE1 = 0,
N32_COP_MFCP,
N32_COP_CPLW,
N32_COP_CPLD,
N32_COP_CPE2,
N32_COP_CPE3 = 8,
N32_COP_MTCP,
N32_COP_CPSW,
N32_COP_CPSD,
N32_COP_CPE4,
/* cop/0 b[3:0] */
N32_FPU_FS1 = 0,
N32_FPU_MFCP,
N32_FPU_FLS,
N32_FPU_FLD,
N32_FPU_FS2,
N32_FPU_FD1 = 8,
N32_FPU_MTCP,
N32_FPU_FSS,
N32_FPU_FSD,
N32_FPU_FD2,
/* FS1 b[9:6] */
N32_FPU_FS1_FADDS = 0,
N32_FPU_FS1_FSUBS,
N32_FPU_FS1_FCPYNSS,
N32_FPU_FS1_FCPYSS,
N32_FPU_FS1_FMADDS,
N32_FPU_FS1_FMSUBS,
N32_FPU_FS1_FCMOVNS,
N32_FPU_FS1_FCMOVZS,
N32_FPU_FS1_FNMADDS,
N32_FPU_FS1_FNMSUBS,
N32_FPU_FS1_10,
N32_FPU_FS1_11,
N32_FPU_FS1_FMULS = 12,
N32_FPU_FS1_FDIVS,
N32_FPU_FS1_14,
N32_FPU_FS1_F2OP = 15,
/* FS1/F2OP b[14:10] */
N32_FPU_FS1_F2OP_FS2D = 0x00,
N32_FPU_FS1_F2OP_FSQRTS = 0x01,
N32_FPU_FS1_F2OP_FABSS = 0x05,
N32_FPU_FS1_F2OP_FUI2S = 0x08,
N32_FPU_FS1_F2OP_FSI2S = 0x0c,
N32_FPU_FS1_F2OP_FS2UI = 0x10,
N32_FPU_FS1_F2OP_FS2UI_Z = 0x14,
N32_FPU_FS1_F2OP_FS2SI = 0x18,
N32_FPU_FS1_F2OP_FS2SI_Z = 0x1c,
/* FS2 b[9:6] */
N32_FPU_FS2_FCMPEQS = 0x0,
N32_FPU_FS2_FCMPLTS = 0x2,
N32_FPU_FS2_FCMPLES = 0x4,
N32_FPU_FS2_FCMPUNS = 0x6,
N32_FPU_FS2_FCMPEQS_E = 0x1,
N32_FPU_FS2_FCMPLTS_E = 0x3,
N32_FPU_FS2_FCMPLES_E = 0x5,
N32_FPU_FS2_FCMPUNS_E = 0x7,
/* FD1 b[9:6] */
N32_FPU_FD1_FADDD = 0,
N32_FPU_FD1_FSUBD,
N32_FPU_FD1_FCPYNSD,
N32_FPU_FD1_FCPYSD,
N32_FPU_FD1_FMADDD,
N32_FPU_FD1_FMSUBD,
N32_FPU_FD1_FCMOVND,
N32_FPU_FD1_FCMOVZD,
N32_FPU_FD1_FNMADDD,
N32_FPU_FD1_FNMSUBD,
N32_FPU_FD1_10,
N32_FPU_FD1_11,
N32_FPU_FD1_FMULD = 12,
N32_FPU_FD1_FDIVD,
N32_FPU_FD1_14,
N32_FPU_FD1_F2OP = 15,
/* FD1/F2OP b[14:10] */
N32_FPU_FD1_F2OP_FD2S = 0x00,
N32_FPU_FD1_F2OP_FSQRTD = 0x01,
N32_FPU_FD1_F2OP_FABSD = 0x05,
N32_FPU_FD1_F2OP_FUI2D = 0x08,
N32_FPU_FD1_F2OP_FSI2D = 0x0c,
N32_FPU_FD1_F2OP_FD2UI = 0x10,
N32_FPU_FD1_F2OP_FD2UI_Z = 0x14,
N32_FPU_FD1_F2OP_FD2SI = 0x18,
N32_FPU_FD1_F2OP_FD2SI_Z = 0x1c,
/* FD2 b[9:6] */
N32_FPU_FD2_FCMPEQD = 0x0,
N32_FPU_FD2_FCMPLTD = 0x2,
N32_FPU_FD2_FCMPLED = 0x4,
N32_FPU_FD2_FCMPUND = 0x6,
N32_FPU_FD2_FCMPEQD_E = 0x1,
N32_FPU_FD2_FCMPLTD_E = 0x3,
N32_FPU_FD2_FCMPLED_E = 0x5,
N32_FPU_FD2_FCMPUND_E = 0x7,
/* MFCP b[9:6] */
N32_FPU_MFCP_FMFSR = 0x0,
N32_FPU_MFCP_FMFDR = 0x1,
N32_FPU_MFCP_XR = 0xc,
/* MFCP/XR b[14:10] */
N32_FPU_MFCP_XR_FMFCFG = 0x0,
N32_FPU_MFCP_XR_FMFCSR = 0x1,
/* MTCP b[9:6] */
N32_FPU_MTCP_FMTSR = 0x0,
N32_FPU_MTCP_FMTDR = 0x1,
N32_FPU_MTCP_XR = 0xc,
/* MTCP/XR b[14:10] */
N32_FPU_MTCP_XR_FMTCSR = 0x1
};
enum n16_opcodes
{
N16_T55_MOV55 = 0x0,
N16_T55_MOVI55 = 0x1,
N16_T45_0 = 0,
N16_T45_ADD45 = 0x4,
N16_T45_SUB45 = 0x5,
N16_T45_ADDI45 = 0x6,
N16_T45_SUBI45 = 0x7,
N16_T45_SRAI45 = 0x8,
N16_T45_SRLI45 = 0x9,
N16_T45_LWI45_FE = 0x19,
N16_T45_LWI450 = 0x1a,
N16_T45_SWI450 = 0x1b,
N16_T45_SLTS45 = 0x30,
N16_T45_SLT45 = 0x31,
N16_T45_SLTSI45 = 0x32,
N16_T45_SLTI45 = 0x33,
N16_T45_MOVPI45 = 0x3d,
N15_T44_MOVD44 = 0x7d,
N16_T333_0 = 0,
N16_T333_SLLI333 = 0xa,
N16_T333_BFMI333 = 0xb,
N16_T333_ADD333 = 0xc,
N16_T333_SUB333 = 0xd,
N16_T333_ADDI333 = 0xe,
N16_T333_SUBI333 = 0xf,
N16_T333_LWI333 = 0x10,
N16_T333_LWI333_BI = 0x11,
N16_T333_LHI333 = 0x12,
N16_T333_LBI333 = 0x13,
N16_T333_SWI333 = 0x14,
N16_T333_SWI333_BI = 0x15,
N16_T333_SHI333 = 0x16,
N16_T333_SBI333 = 0x17,
N16_T333_MISC33 = 0x3f,
N16_T36_ADDRI36_SP = 0x18,
N16_T37_XWI37 = 0x7,
N16_T37_XWI37SP = 0xe,
N16_T38_BEQZ38 = 0x8,
N16_T38_BNEZ38 = 0x9,
N16_T38_BEQS38 = 0xa,
N16_T38_BNES38 = 0xb,
N16_T5_JR5 = 0x2e8,
N16_T5_JRAL5 = 0x2e9,
N16_T5_EX9IT = 0x2ea,
/* 0x2eb reserved. */
N16_T5_RET5 = 0x2ec,
N16_T5_ADD5PC = 0x2ed,
/* 0x2e[ef] reserved. */
N16_T5_BREAK16 = 0x350,
N16_T8_J8 = 0x55,
N16_T8_BEQZS8 = 0x68,
N16_T8_BNEZS8 = 0x69,
/* N16_T9_BREAK16 = 0x35
Since v3, SWID of BREAK16 above 32 are used for encoding EX9.IT. */
N16_T9_EX9IT = 0x35,
N16_T9_IFCALL9 = 0x3c,
N16_T10_ADDI10S = 0x1b,
N16_T25_PUSH25 = 0xf8,
N16_T25_POP25 = 0xf9,
/* Sub-opcodes. */
N16_MISC33_0 = 0,
N16_MISC33_1 = 1,
N16_MISC33_NEG33 = 2,
N16_MISC33_NOT33 = 3,
N16_MISC33_MUL33 = 4,
N16_MISC33_XOR33 = 5,
N16_MISC33_AND33 = 6,
N16_MISC33_OR33 = 7,
N16_BFMI333_ZEB33 = 0,
N16_BFMI333_ZEH33 = 1,
N16_BFMI333_SEB33 = 2,
N16_BFMI333_SEH33 = 3,
N16_BFMI333_XLSB33 = 4,
N16_BFMI333_X11B33 = 5,
N16_BFMI333_BMSKI33 = 6,
N16_BFMI333_FEXTI33 = 7
};
/* These macros a deprecated. DO NOT use them anymore.
And please help rewrite code used them. */
/* 32-bit instructions without operands. */
#define INSN_SETHI 0x46000000
#define INSN_ORI 0x58000000
#define INSN_JR 0x4a000000
#define INSN_RET 0x4a000020
#define INSN_JAL 0x49000000
#define INSN_J 0x48000000
#define INSN_JRAL 0x4a000001
#define INSN_BGEZAL 0x4e0c0000
#define INSN_BLTZAL 0x4e0d0000
#define INSN_BEQ 0x4c000000
#define INSN_BNE 0x4c004000
#define INSN_BEQZ 0x4e020000
#define INSN_BNEZ 0x4e030000
#define INSN_BGEZ 0x4e040000
#define INSN_BLTZ 0x4e050000
#define INSN_BGTZ 0x4e060000
#define INSN_BLEZ 0x4e070000
#define INSN_MOVI 0x44000000
#define INSN_ADDI 0x50000000
#define INSN_ANDI 0x54000000
#define INSN_LDI 0x06000000
#define INSN_SDI 0x16000000
#define INSN_LWI 0x04000000
#define INSN_LWSI 0x24000000
#define INSN_LWIP 0x0c000000
#define INSN_LHI 0x02000000
#define INSN_LHSI 0x22000000
#define INSN_LBI 0x00000000
#define INSN_LBSI 0x20000000
#define INSN_SWI 0x14000000
#define INSN_SWIP 0x1c000000
#define INSN_SHI 0x12000000
#define INSN_SBI 0x10000000
#define INSN_SLTI 0x5c000000
#define INSN_SLTSI 0x5e000000
#define INSN_ADD 0x40000000
#define INSN_SUB 0x40000001
#define INSN_SLT 0x40000006
#define INSN_SLTS 0x40000007
#define INSN_SLLI 0x40000008
#define INSN_SRLI 0x40000009
#define INSN_SRAI 0x4000000a
#define INSN_SEB 0x40000010
#define INSN_SEH 0x40000011
#define INSN_ZEB INSN_ANDI + 0xFF
#define INSN_ZEH 0x40000013
#define INSN_BREAK 0x6400000a
#define INSN_NOP 0x40000009
#define INSN_FLSI 0x30000000
#define INSN_FSSI 0x32000000
#define INSN_FLDI 0x34000000
#define INSN_FSDI 0x36000000
#define INSN_BEQC 0x5a000000
#define INSN_BNEC 0x5a080000
#define INSN_DSB 0x64000008
#define INSN_IFCALL 0x4e000000
#define INSN_IFRET 0x4a000060
#define INSN_BR1 0x4c000000
#define INSN_BR2 0x4e000000
/* 16-bit instructions without operand. */
#define INSN_MOV55 0x8000
#define INSN_MOVI55 0x8400
#define INSN_ADD45 0x8800
#define INSN_SUB45 0x8a00
#define INSN_ADDI45 0x8c00
#define INSN_SUBI45 0x8e00
#define INSN_SRAI45 0x9000
#define INSN_SRLI45 0x9200
#define INSN_SLLI333 0x9400
#define INSN_BFMI333 0x9600
#define INSN_ADD333 0x9800
#define INSN_SUB333 0x9a00
#define INSN_ADDI333 0x9c00
#define INSN_SUBI333 0x9e00
#define INSN_LWI333 0xa000
#define INSN_LWI333P 0xa200
#define INSN_LHI333 0xa400
#define INSN_LBI333 0xa600
#define INSN_SWI333 0xa800
#define INSN_SWI333P 0xaa00
#define INSN_SHI333 0xac00
#define INSN_SBI333 0xae00
#define INSN_RSV01 0xb000
#define INSN_RSV02 0xb200
#define INSN_LWI450 0xb400
#define INSN_SWI450 0xb600
#define INSN_LWI37 0xb800
#define INSN_SWI37 0xb880
#define INSN_BEQZ38 0xc000
#define INSN_BNEZ38 0xc800
#define INSN_BEQS38 0xd000
#define INSN_J8 0xd500
#define INSN_BNES38 0xd800
#define INSN_JR5 0xdd00
#define INSN_RET5 0xdd80
#define INSN_JRAL5 0xdd20
#define INSN_EX9_IT_2 0xdd40
#define INSN_SLTS45 0xe000
#define INSN_SLT45 0xe200
#define INSN_SLTSI45 0xe400
#define INSN_SLTI45 0xe600
#define INSN_BEQZS8 0xe800
#define INSN_BNEZS8 0xe900
#define INSN_BREAK16 0xea00
#define INSN_EX9_IT_1 0xea00
#define INSN_NOP16 0x9200
/* 16-bit version 2. */
#define INSN_ADDI10_SP 0xec00
#define INSN_LWI37SP 0xf000
#define INSN_SWI37SP 0xf080
/* 16-bit version 3. */
#define INSN_IFRET16 0x83ff
#define INSN_ADDRI36_SP 0xb000
#define INSN_LWI45_FE 0xb200
#define INSN_IFCALL9 0xf800
#define INSN_MISC33 0xfe00
/* Instruction with specific operands. */
#define INSN_ADDI_GP_TO_FP 0x51cd8000 /* BASELINE_V1. */
#define INSN_ADDIGP_TO_FP 0x3fc80000 /* BASELINE_V2. */
#define INSN_MOVI_TO_FP 0x45c00000
#define INSN_MFUSR_PC 0x420F8020
#define INSN_MFUSR_PC_MASK 0xFE0FFFFF
/* Instructions use $ta register as operand. */
#define INSN_SETHI_TA (INSN_SETHI | (REG_TA << 20))
#define INSN_ORI_TA (INSN_ORI | (REG_TA << 20) | (REG_TA << 15))
#define INSN_ADD_TA (INSN_ADD | (REG_TA << 20))
#define INSN_ADD45_TA (INSN_ADD45 | (REG_TA << 5))
#define INSN_JR5_TA (INSN_JR5 | (REG_TA << 0))
#define INSN_RET5_TA (INSN_RET5 | (REG_TA << 0))
#define INSN_JR_TA (INSN_JR | (REG_TA << 10))
#define INSN_RET_TA (INSN_RET | (REG_TA << 10))
#define INSN_JRAL_TA (INSN_JRAL | (REG_LP << 20) | (REG_TA << 10))
#define INSN_JRAL5_TA (INSN_JRAL5 | (REG_TA << 0))
#define INSN_BEQZ_TA (INSN_BEQZ | (REG_TA << 20))
#define INSN_BNEZ_TA (INSN_BNEZ | (REG_TA << 20))
#define INSN_MOVI_TA (INSN_MOVI | (REG_TA << 20))
#define INSN_BEQ_TA (INSN_BEQ | (REG_TA << 15))
#define INSN_BNE_TA (INSN_BNE | (REG_TA << 15))
/* Instructions use $r5 register as operand. */
#define INSN_BNE_R5 (INSN_BNE | (REG_R5 << 15))
#define INSN_BEQ_R5 (INSN_BEQ | (REG_R5 << 15))
#endif

264
libr/arch/p/nds32/plugin.c Normal file
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/* radare - MIT - Copyright 2023 - pancake, decaduto */
#include <r_arch.h>
#include <r_lib.h>
#define _GNU_SOURCE
#include <stdio.h>
#include "nds32-opc.h"
#include "nds32-dis.h"
typedef uint32_t insn_t;
#define OP_MASK_OP 0x7f
#if 0
static CpuKv cpus[] = {
{ "nds32", nds32 },
{ NULL, 0 }
};
#endif
typedef struct plugin_data_t {
bool init0;
const struct nds32_opcode *nds32_hash[OP_MASK_OP + 1];
} PluginData;
#define is_any(...) _is_any(name, __VA_ARGS__, NULL)
static bool _is_any(const char *str, ...) {
char *cur;
va_list va;
va_start (va, str);
while (true) {
cur = va_arg (va, char *);
if (!cur) {
break;
}
if (r_str_startswith (str, cur)) {
va_end (va);
return true;
}
}
va_end (va);
return false;
}
static int info(RArchSession *as, ut32 q) {
switch (q) {
case R_ANAL_ARCHINFO_MAX_OP_SIZE:
return 6;
case R_ANAL_ARCHINFO_MIN_OP_SIZE:
return 2;
}
return 0;
}
#if 0
static inline unsigned int nds32_insn_length(insn_t insn) {
return 4;
}
static struct nds32_opcode *nds32_get_opcode(PluginData *pd, insn_t word) {
struct nds32_opcode *op = NULL;
#define OP_HASH_IDX(i) ((i) & (nds32_insn_length (i) == 2 ? 3 : OP_MASK_OP))
if (!pd->init0) {
size_t i;
for (i = 0; i < OP_MASK_OP + 1; i++) {
pd->nds32_hash[i] = 0;
}
for (op = nds32_opcodes; op <= &nds32_opcodes[NUMOPCODES - 1]; op++) {
//if (!pd->nds32_hash[OP_HASH_IDX (op->match)]) {
// pd->nds32_hash[OP_HASH_IDX (op->match)] = op;
//}
}
pd->init0 = true;
}
return (struct nds32_opcode *) pd->nds32_hash[OP_HASH_IDX (word)];
}
#endif
static int nds32_buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, ut32 length, struct disassemble_info *info) {
int delta = (memaddr - info->buffer_vma);
if (delta < 0) {
return -1; // disable backward reads
}
if ((delta + length) > 4) {
return -1;
}
ut8 *bytes = info->buffer;
memcpy (myaddr, bytes + delta, length);
return 0;
}
static int symbol_at_address(bfd_vma addr, struct disassemble_info *info) {
return 0;
}
static void memory_error_func(int status, bfd_vma memaddr, struct disassemble_info *info) {
//--
}
DECLARE_GENERIC_PRINT_ADDRESS_FUNC_NOGLOBALS()
DECLARE_GENERIC_FPRINTF_FUNC_NOGLOBALS()
static bool _init(RArchSession *as) {
r_return_val_if_fail (as, false);
if (as->data) {
R_LOG_WARN ("Already initialized");
return false;
}
as->data = R_NEW0 (PluginData);
return !!as->data;
}
static bool decode(RArchSession *as, RAnalOp *op, RAnalOpMask mask) {
const ut64 addr = op->addr;
const int len = op->size;
const ut8 *buf = op->bytes;
ut8 bytes[8] = {0};
insn_t word = {0};
struct disassemble_info disasm_obj = {0};
RStrBuf *sb = r_strbuf_new (NULL);
memcpy (bytes, buf, R_MIN (sizeof (bytes), len)); // TODO handle thumb
/* prepare disassembler */
disasm_obj.buffer = bytes;
disasm_obj.buffer_vma = addr;
disasm_obj.read_memory_func = &nds32_buffer_read_memory;
disasm_obj.symbol_at_address_func = &symbol_at_address;
disasm_obj.memory_error_func = &memory_error_func;
disasm_obj.print_address_func = &generic_print_address_func;
disasm_obj.endian = !R_ARCH_CONFIG_IS_BIG_ENDIAN (as->config);
disasm_obj.fprintf_func = &generic_fprintf_func;
disasm_obj.stream = sb;
disasm_obj.mach = 0; // TODO: detect_cpu (as->config->cpu);
op->size = print_insn_nds32 ((bfd_vma)addr, &disasm_obj);
if (true) { // mask & R_ARCH_OP_MASK_DISASM) {
op->mnemonic = r_strbuf_drain (sb);
sb = NULL;
r_str_replace_ch (op->mnemonic, '\t', ' ', true);
}
int left = R_MIN (len, op->size);
if (left < 1 || (left > 0 && !memcmp (buf, "\xff\xff\xff\xff\xff\xff\xff\xff", left))) {
free (op->mnemonic);
op->type = R_ANAL_OP_TYPE_ILL;
op->mnemonic = strdup ("invalid");
r_strbuf_free (sb);
return true;
}
if (*op->mnemonic == 0) {
// probably instructions not implemented
free (op->mnemonic);
op->type = R_ANAL_OP_TYPE_NOP;
op->mnemonic = strdup ("invalid?");
r_strbuf_free (sb);
return true;
}
if (strstr (op->mnemonic, "unknown")) {
free (op->mnemonic);
op->type = R_ANAL_OP_TYPE_ILL;
op->mnemonic = strdup ("invalid");
r_strbuf_free (sb);
return true;
}
char *name = strdup (op->mnemonic);
#if 0
PluginData *pd = as->data;
struct nds32_opcode *o = nds32_get_opcode (pd, word);
if (o) {
if (op->mnemonic) {
name = op->mnemonic;
}
}
#endif
const char *arg = strstr (name, "0x");
if (!arg) {
arg = strstr (name, ", ");
if (arg) {
arg += 2;
} else {
arg = strchr (name, ' ');
if (arg) {
arg++;
}
}
}
if (is_any ("jal ", "jral ", "j ")) {
// decide whether it's jump or call
#ifndef OP_MASK_RD
#define OP_MASK_RD 0x1f
#define OP_SH_RD 11
#endif
int rd = (word >> OP_SH_RD) & OP_MASK_RD;
op->type = (rd == 0) ? R_ANAL_OP_TYPE_JMP: R_ANAL_OP_TYPE_CALL;
// op->jump = EXTRACT_UJTYPE_IMM (word) + addr;
op->jump = arg? r_num_get (NULL, arg): op->addr;
if (op->type == R_ANAL_OP_TYPE_CALL) {
op->fail = addr + op->size;
}
}
if (is_any ("jr ")) {
op->type = R_ANAL_OP_TYPE_RJMP;
} else if (is_any ("swi")) {
op->type = R_ANAL_OP_TYPE_SWI;
} else if (is_any ("ori")) {
op->type = R_ANAL_OP_TYPE_OR;
} else if (is_any ("ret ", "iret")) {
op->type = R_ANAL_OP_TYPE_RET;
} else if (is_any ("addi", "addri")) {
op->type = R_ANAL_OP_TYPE_ADD;
} else if (is_any ("subi", "subri", "sub")) {
op->type = R_ANAL_OP_TYPE_SUB;
} else if (is_any ("xori")) {
op->type = R_ANAL_OP_TYPE_XOR;
} else if (is_any ("andi")) {
op->type = R_ANAL_OP_TYPE_AND;
} else if (is_any ("sh", "sl")) {
op->type = R_ANAL_OP_TYPE_SHL;
} else if (is_any ("lb", "lw", "ld", "lh")) {
op->type = R_ANAL_OP_TYPE_LOAD;
} else if (is_any ("mov")) {
op->type = R_ANAL_OP_TYPE_MOV;
} else if (is_any ("st", "sb", "sd", "sh")) {
op->type = R_ANAL_OP_TYPE_STORE;
} else if (is_any ("ifcall")) {
op->type = R_ANAL_OP_TYPE_CCALL;
op->jump = arg? r_num_get (NULL, arg): op->addr;
op->fail = addr + op->size;
} else if (is_any ("bl")) { // "bgezal ", "bltzal ")) {
op->type = R_ANAL_OP_TYPE_CALL;
op->jump = arg? r_num_get (NULL, arg): op->addr;
op->fail = addr + op->size;
} else if (is_any ("beqz", "bnes", "beq", "blez", "bgez", "ble", "bltz", "bgtz", "bnez", "bne ")) {
op->type = R_ANAL_OP_TYPE_CJMP;
// op->jump = EXTRACT_SBTYPE_IMM (word) + addr;
op->jump = arg? r_num_get (NULL, arg): op->addr;
op->fail = addr + op->size;
}
r_strbuf_free (sb);
return op->size > 0;
}
const RArchPlugin r_arch_plugin_nds32 = {
.meta = {
.name = "nds32",
.author = "Edoardo Mantovani",
.license = "GPL3",
.desc = "Binutils based nds32 disassembler",
},
.arch = "nds32",
.bits = R_SYS_BITS_PACK1 (32),
.endian = R_SYS_ENDIAN_LITTLE,
.decode = &decode,
.init = &_init,
.info = &info,
};
#ifndef R2_PLUGIN_INCORE
R_API RLibStruct radare_plugin = {
.type = R_LIB_TYPE_ARCH,
.data = &r_arch_plugin_nds32,
};
#endif

1
libr/include/r_arch.h
View File

@ -340,6 +340,7 @@ extern const RArchPlugin r_arch_plugin_xap;
extern const RArchPlugin r_arch_plugin_xcore_cs;
extern const RArchPlugin r_arch_plugin_xtensa;
extern const RArchPlugin r_arch_plugin_z80;
extern const RArchPlugin r_arch_plugin_nds32;
#ifdef __cplusplus
}

1
libr/meson.build
View File

@ -185,6 +185,7 @@ if no_user_plugins
'arm_gnu',
'z80',
'pdp11',
'nds32',
'ppc_gnu',
'm68k_gnu',
# 'hppa_gnu',

2
test/db/tools/rasm2
View File

@ -530,7 +530,7 @@ CMDS=<<EOF
!!rasm2 -L~arm.gnu?
EOF
EXPECT=<<EOF
17
18
1
EOF
RUN