1 /* NDS32-specific support for 32-bit ELF.
2 Copyright (C) 2012-2017 Free Software Foundation, Inc.
3 Contributed by Andes Technology Corporation.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
25 #include "disassemble.h"
28 #include "libiberty.h"
30 #include "bfd_stdint.h"
32 #include "nds32-asm.h"
33 #include "opcode/nds32.h"
35 /* Get fields macro define. */
36 #define MASK_OP(insn, mask) ((insn) & (0x3f << 25 | (mask)))
38 /* Default text to print if an instruction isn't recognized. */
39 #define UNKNOWN_INSN_MSG _("*unknown*")
40 #define NDS32_PARSE_INSN16 0x01
41 #define NDS32_PARSE_INSN32 0x02
42 #define NDS32_PARSE_EX9IT 0x04
43 #define NDS32_PARSE_EX9TAB 0x08
45 extern struct nds32_opcode nds32_opcodes[];
46 extern const field_t operand_fields[];
47 extern const keyword_t *keywords[];
48 extern const keyword_t keyword_gpr[];
49 static void print_insn16 (bfd_vma pc, disassemble_info *info,
50 uint32_t insn, uint32_t parse_mode);
51 static void print_insn32 (bfd_vma pc, disassemble_info *info, uint32_t insn,
53 static uint32_t nds32_mask_opcode (uint32_t);
54 static void nds32_special_opcode (uint32_t, struct nds32_opcode **);
56 /* define in objdump.c. */
57 struct objdump_disasm_info
61 bfd_boolean require_sec;
64 disassembler_ftype disassemble_fn;
68 /* file_ptr ex9_filepos=NULL;. */
69 bfd_byte *ex9_data = NULL;
70 int ex9_ready = 0, ex9_base_offset = 0;
72 /* Hash function for disassemble. */
74 static htab_t opcode_htab;
77 nds32_ex9_info (bfd_vma pc ATTRIBUTE_UNUSED,
78 disassemble_info *info, uint32_t ex9_index)
81 static asymbol *itb = NULL;
83 long unsigned int isec_vma;
85 /* Lookup itb symbol. */
90 for (i = 0; i < info->symtab_size; i++)
91 if (bfd_asymbol_name (info->symtab[i])
92 && (strcmp (bfd_asymbol_name (info->symtab[i]), "$_ITB_BASE_") == 0
93 || strcmp (bfd_asymbol_name (info->symtab[i]),
96 itb = info->symtab[i];
100 /* Lookup it only once, in case _ITB_BASE_ doesn't exist at all. */
105 if (itb == (void *) -1)
108 isec_vma = itb->section->vma;
109 isec_vma = itb->section->vma - bfd_asymbol_value (itb);
110 if (!itb->section || !itb->section->owner)
112 bfd_get_section_contents (itb->section->owner, itb->section, buffer,
113 ex9_index * 4 - isec_vma, 4);
114 insn = bfd_getb32 (buffer);
115 /* 16-bit instructions in ex9 table. */
116 if (insn & 0x80000000)
117 print_insn16 (pc, info, (insn & 0x0000FFFF),
118 NDS32_PARSE_INSN16 | NDS32_PARSE_EX9IT);
119 /* 32-bit instructions in ex9 table. */
121 print_insn32 (pc, info, insn, NDS32_PARSE_INSN32 | NDS32_PARSE_EX9IT);
124 /* Find the value map register name. */
127 nds32_find_reg_keyword (keyword_t *reg, int value)
132 while (reg->name != NULL && reg->value != value)
136 if (reg->name == NULL)
142 nds32_parse_audio_ext (const field_t *pfd,
143 disassemble_info *info, uint32_t insn)
145 fprintf_ftype func = info->fprintf_func;
146 void *stream = info->stream;
148 int int_value, new_value;
150 if (pfd->hw_res == HW_INT || pfd->hw_res == HW_UINT)
152 if (pfd->hw_res == HW_INT)
154 N32_IMMS ((insn >> pfd->bitpos), pfd->bitsize) << pfd->shift;
156 int_value = __GF (insn, pfd->bitpos, pfd->bitsize) << pfd->shift;
159 func (stream, "#%d", int_value);
161 func (stream, "#0x%x", int_value);
165 __GF (insn, pfd->bitpos, pfd->bitsize) << pfd->shift;
166 new_value = int_value;
167 psys_reg = (keyword_t*) keywords[pfd->hw_res];
169 /* p = bit[4].bit[1:0], r = bit[4].bit[3:2]. */
170 if (strcmp (pfd->name, "im5_i") == 0)
172 new_value = int_value & 0x03;
173 new_value |= ((int_value & 0x10) >> 2);
175 else if (strcmp (pfd->name, "im5_m") == 0)
177 new_value = ((int_value & 0x1C) >> 2);
179 /* p = 0.bit[1:0], r = 0.bit[3:2]. */
180 /* q = 1.bit[1:0], s = 1.bit[5:4]. */
181 else if (strcmp (pfd->name, "im6_iq") == 0)
185 else if (strcmp (pfd->name, "im6_ms") == 0)
189 /* Rt CONCAT(c, t21, t0). */
190 else if (strcmp (pfd->name, "a_rt21") == 0)
192 new_value = (insn & 0x00000020) >> 5;
193 new_value |= (insn & 0x00000C00) >> 9;
194 new_value |= (insn & 0x00008000) >> 12;
196 else if (strcmp (pfd->name, "a_rte") == 0)
198 new_value = (insn & 0x00000C00) >> 9;
199 new_value |= (insn & 0x00008000) >> 12;
201 else if (strcmp (pfd->name, "a_rte1") == 0)
203 new_value = (insn & 0x00000C00) >> 9;
204 new_value |= (insn & 0x00008000) >> 12;
207 else if (strcmp (pfd->name, "a_rte69") == 0)
209 new_value = int_value << 1;
211 else if (strcmp (pfd->name, "a_rte69_1") == 0)
213 new_value = int_value << 1;
217 psys_reg = nds32_find_reg_keyword (psys_reg, new_value);
219 func (stream, "???");
221 func (stream, "$%s", psys_reg->name);
224 /* Dump instruction. If the opcode is unknown, return FALSE. */
227 nds32_parse_opcode (struct nds32_opcode *opc, bfd_vma pc ATTRIBUTE_UNUSED,
228 disassemble_info *info, uint32_t insn,
232 fprintf_ftype func = info->fprintf_func;
233 void *stream = info->stream;
234 const char *pstr_src;
237 unsigned int push25gpr = 0, lsmwRb, lsmwRe, lsmwEnb4, checkbit, i;
238 int int_value, ifthe1st = 1;
244 func (stream, UNKNOWN_INSN_MSG);
248 if (parse_mode & NDS32_PARSE_EX9IT)
251 pstr_src = opc->instruction;
254 func (stream, "%s", opc->opcode);
257 /* NDS32_PARSE_INSN16. */
258 if (parse_mode & NDS32_PARSE_INSN16)
260 func (stream, "%s ", opc->opcode);
263 /* NDS32_PARSE_INSN32. */
267 if (op == N32_OP6_LSMW)
268 func (stream, "%s.", opc->opcode);
269 else if (strstr (opc->instruction, "tito"))
270 func (stream, "%s", opc->opcode);
272 func (stream, "%s\t", opc->opcode);
283 /* Compare with operand_fields[].name. */
284 pstr_tmp = &tmp_string[0];
287 if ((*pstr_src == ',') || (*pstr_src == ' ')
288 || (*pstr_src == '{') || (*pstr_src == '}')
289 || (*pstr_src == '[') || (*pstr_src == ']')
290 || (*pstr_src == '(') || (*pstr_src == ')')
291 || (*pstr_src == '+') || (*pstr_src == '<'))
293 *pstr_tmp++ = *pstr_src++;
297 pfd = (const field_t *) &operand_fields[0];
300 if (pfd->name == NULL)
302 else if (strcmp (&tmp_string[0], pfd->name) == 0)
308 if (parse_mode & NDS32_PARSE_INSN16)
310 if (pfd->hw_res == HW_GPR)
313 __GF (insn, pfd->bitpos, pfd->bitsize) << pfd->shift;
315 if ((opc->value == 0xfc00) || (opc->value == 0xfc80))
320 int_value = (6 + (0x01 << int_value));
321 push25gpr = int_value;
323 else if (strcmp (pfd->name, "rt4") == 0)
325 int_value = nds32_r45map[int_value];
327 func (stream, "$%s", keyword_gpr[int_value].name);
329 else if ((pfd->hw_res == HW_INT) || (pfd->hw_res == HW_UINT))
331 if (pfd->hw_res == HW_INT)
333 N32_IMMS ((insn >> pfd->bitpos),
334 pfd->bitsize) << pfd->shift;
337 __GF (insn, pfd->bitpos, pfd->bitsize) << pfd->shift;
340 if (opc->value == 0xfa00)
343 func (stream, "#0x%x", int_value);
346 else if (opc->value == 0xb200)
348 int_value = 0 - (128 - int_value);
349 func (stream, "#%d", int_value);
351 /* beqz38/bnez38/beqs38/bnes38/j8/beqzs8/bnezs8/ifcall9. */
352 else if ((opc->value == 0xc000) || (opc->value == 0xc800)
353 || (opc->value == 0xd000) || (opc->value == 0xd800)
354 || (opc->value == 0xd500) || (opc->value == 0xe800)
355 || (opc->value == 0xe900)
356 || (opc->value == 0xf800))
358 info->print_address_func (int_value + pc, info);
361 else if ((opc->value == 0xfc00) || (opc->value == 0xfc80))
363 func (stream, "#%d ! {$r6", int_value);
365 func (stream, "~$%s", keyword_gpr[push25gpr].name);
366 func (stream, ", $fp, $gp, $lp}");
369 else if ((opc->value == 0xdd40) || (opc->value == 0xea00))
371 func (stream, "#%d", int_value);
372 nds32_ex9_info (pc, info, int_value);
374 else if (pfd->hw_res == HW_INT)
377 func (stream, "#%d", int_value);
379 func (stream, "#0x%x", int_value);
381 else /* if (pfd->hw_res == HW_UINT). */
384 func (stream, "#%u", int_value);
386 func (stream, "#0x%x", int_value);
392 else if (op == N32_OP6_AEXT)
394 nds32_parse_audio_ext (pfd, info, insn);
397 else if (pfd->hw_res < _HW_LAST)
400 __GF (insn, pfd->bitpos, pfd->bitsize) << pfd->shift;
402 psys_reg = (keyword_t*) keywords[pfd->hw_res];
404 psys_reg = nds32_find_reg_keyword (psys_reg, int_value);
405 /* For HW_SR, dump the index when it can't
406 map the register name. */
407 if (!psys_reg && pfd->hw_res == HW_SR)
408 func (stream, "%d", int_value);
410 func (stream, "???");
413 if (pfd->hw_res == HW_GPR || pfd->hw_res == HW_CPR
414 || pfd->hw_res == HW_FDR || pfd->hw_res == HW_FSR
415 || pfd->hw_res == HW_DXR || pfd->hw_res == HW_SR
416 || pfd->hw_res == HW_USR)
417 func (stream, "$%s", psys_reg->name);
418 else if (pfd->hw_res == HW_DTITON
419 || pfd->hw_res == HW_DTITOFF)
420 func (stream, ".%s", psys_reg->name);
422 func (stream, "%s", psys_reg->name);
425 else if ((pfd->hw_res == HW_INT) || (pfd->hw_res == HW_UINT))
427 if (pfd->hw_res == HW_INT)
429 N32_IMMS ((insn >> pfd->bitpos), pfd->bitsize) << pfd->shift;
432 __GF (insn, pfd->bitpos, pfd->bitsize) << pfd->shift;
434 if ((op == N32_OP6_BR1) || (op == N32_OP6_BR2))
436 info->print_address_func (int_value + pc, info);
438 else if ((op == N32_OP6_BR3) && (pfd->bitpos == 0))
440 info->print_address_func (int_value + pc, info);
442 else if (op == N32_OP6_JI)
444 /* FIXME: Handle relocation. */
445 if (info->flags & INSN_HAS_RELOC)
447 /* Check if insn32 in ex9 table. */
448 if (parse_mode & NDS32_PARSE_EX9IT)
449 info->print_address_func ((pc & 0xFE000000) | int_value,
451 /* Check if decode ex9 table, PC(31,25)|Inst(23,0)<<1. */
452 else if (parse_mode & NDS32_PARSE_EX9TAB)
453 func (stream, "PC(31,25)|#0x%x", int_value);
455 info->print_address_func (int_value + pc, info);
457 else if (op == N32_OP6_LSMW)
459 /* lmw.adm/smw.adm. */
460 func (stream, "#0x%x ! {", int_value);
461 lsmwEnb4 = int_value;
462 lsmwRb = ((insn >> 20) & 0x1F);
463 lsmwRe = ((insn >> 10) & 0x1F);
465 /* If [Rb, Re] specifies at least one register,
466 Rb(4,0) <= Re(4,0) and 0 <= Rb(4,0), Re(4,0) < 28.
467 Disassembling does not consider this currently because of
468 the convience comparing with bsp320. */
469 if (lsmwRb != 31 || lsmwRe != 31)
471 func (stream, "$%s", keyword_gpr[lsmwRb].name);
472 if (lsmwRb != lsmwRe)
473 func (stream, "~$%s", keyword_gpr[lsmwRe].name);
478 /* $fp, $gp, $lp, $sp. */
480 for (i = 0; i < 4; i++)
482 if (lsmwEnb4 & checkbit)
487 func (stream, "$%s", keyword_gpr[28 + i].name);
490 func (stream, ", $%s", keyword_gpr[28 + i].name);
497 else if (pfd->hw_res == HW_INT)
500 func (stream, "#%d", int_value);
502 func (stream, "#0x%x", int_value);
504 else /* if (pfd->hw_res == HW_UINT). */
507 func (stream, "#%u", int_value);
509 func (stream, "#0x%x", int_value);
525 func (stream, " + ");
530 if (pstr_src[1] == '<')
532 func (stream, " << ");
543 func (stream, "%c", *pstr_src++);
549 /* Filter instructions with some bits must be fixed. */
552 nds32_filter_unknown_insn (uint32_t insn, struct nds32_opcode **opc)
557 switch ((*opc)->value)
562 if (__GF (insn, 6, 2) != 0 || __GF (insn, 15, 10) != 0)
566 if (__GF (insn, 7, 18) != 0)
571 if (__GF (insn, 5, 5) != 0)
575 if (__GF (insn, 20, 5) != 0)
579 if (__GF (insn, 5, 3) != 0 || __GF (insn, 15, 5) != 0)
601 if (__GF (insn, 5, 5) != 0)
607 if (__GF (insn, 5, 20) != 0)
614 print_insn32 (bfd_vma pc, disassemble_info *info, uint32_t insn,
617 /* Get the final correct opcode and parse. */
618 struct nds32_opcode *opc;
619 uint32_t opcode = nds32_mask_opcode (insn);
620 opc = (struct nds32_opcode *) htab_find (opcode_htab, &opcode);
622 nds32_special_opcode (insn, &opc);
623 nds32_filter_unknown_insn (insn, &opc);
624 nds32_parse_opcode (opc, pc, info, insn, parse_mode);
628 print_insn16 (bfd_vma pc, disassemble_info *info,
629 uint32_t insn, uint32_t parse_mode)
631 struct nds32_opcode *opc;
634 /* Get highest 7 bit in default. */
635 unsigned int mask = 0xfe00;
637 /* Classify 16-bit instruction to 4 sets by bit 13 and 14. */
638 switch (__GF (insn, 13, 2))
642 if (__GF (insn, 11, 2) == 0)
645 /* ifret16 = mov55 $sp, $sp*/
646 if (__GF (insn, 0, 11) == 0x3ff)
649 else if (__GF (insn, 9, 4) == 0xb)
654 if (__GF (insn, 11, 2) == 0x3)
659 /* Exclude beqz38, bnez38, beqs38, and bnes38. */
660 if (__GF (insn, 12, 1) == 0x1
661 && __GF (insn, 8, 3) == 0x5)
663 if (__GF (insn, 11, 1) == 0x0)
670 switch (__GF (insn, 11, 2))
674 if (__GF (insn, 9, 2) == 0x0)
677 else if (__GF(insn, 10, 1) == 0x1)
681 /* lwi37.sp swi37.sp */
685 if (__GF (insn, 8, 3) == 0x5)
687 else if (__GF (insn, 8, 3) == 0x4)
689 else if (__GF (insn, 9 , 2) == 0x3)
695 opcode = insn & mask;
696 opc = (struct nds32_opcode *) htab_find (opcode_htab, &opcode);
698 nds32_special_opcode (insn, &opc);
699 /* Get the final correct opcode and parse it. */
700 nds32_parse_opcode (opc, pc, info, insn, parse_mode);
704 htab_hash_hash (const void *p)
706 return (*(unsigned int *) p) % 49;
710 htab_hash_eq (const void *p, const void *q)
712 uint32_t pinsn = ((struct nds32_opcode *) p)->value;
713 uint32_t qinsn = *((uint32_t *) q);
715 return (pinsn == qinsn);
718 /* Get the format of instruction. */
721 nds32_mask_opcode (uint32_t insn)
723 uint32_t opcode = N32_OP6 (insn);
745 case N32_OP6_LBSI_BI:
746 case N32_OP6_LHSI_BI:
747 case N32_OP6_LWSI_BI:
759 return MASK_OP (insn, 0);
762 if (__GF (insn, 0, 7) == (N32_ALU2_FFBI | N32_BIT (6)))
763 return MASK_OP (insn, 0x7f);
764 else if (__GF (insn, 0, 7) == (N32_ALU2_MFUSR | N32_BIT (6))
765 || __GF (insn, 0, 7) == (N32_ALU2_MTUSR | N32_BIT (6)))
767 return MASK_OP (insn, 0xf81ff);
768 return MASK_OP (insn, 0x1ff);
771 return MASK_OP (insn, 0x1f);
773 return MASK_OP (insn, 0xff);
775 return MASK_OP (insn, 0x7f);
777 return MASK_OP (insn, 0x23);
780 return MASK_OP (insn, 0x1 << 19);
782 if (__GF (insn, 18, 2) == 0x3)
783 return MASK_OP (insn, 0x7 << 17);
784 return MASK_OP (insn, 0x3 << 18);
786 return MASK_OP (insn, 0x1 << 24);
791 return MASK_OP (insn, 0x1 << 12);
793 return MASK_OP (insn, 0x1 << 24);
795 return MASK_OP (insn, 0x1 << 14);
797 return MASK_OP (insn, 0xf << 16);
799 return MASK_OP (insn, 0x1 << 19);
801 switch (__GF (insn, 0, 5))
804 /* SETGIE and SETEND */
805 if (__GF (insn, 5, 5) == 0x1 || __GF (insn, 5, 5) == 0x2)
806 return MASK_OP (insn, 0x1fffff);
807 return MASK_OP (insn, 0x1f);
809 if (__GF (insn, 5, 5) == 5 || __GF (insn, 5, 5) == 7)
811 return MASK_OP (insn, 0x3ff);
812 return MASK_OP (insn, 0x1f);
814 return MASK_OP (insn, 0x1f);
817 if (__GF (insn, 4, 2) == 0)
820 switch (__GF (insn, 0, 4))
824 /* FS1/F2OP FD1/F2OP */
825 if (__GF (insn, 6, 4) == 0xf)
826 return MASK_OP (insn, 0x7fff);
828 return MASK_OP (insn, 0x3ff);
832 return MASK_OP (insn, 0x3ff);
836 if (__GF (insn, 6, 4) == 0xc)
837 return MASK_OP (insn, 0x7fff);
839 return MASK_OP (insn, 0x3ff);
841 return MASK_OP (insn, 0xff);
844 else if (__GF (insn, 0, 2) == 0)
845 return MASK_OP (insn, 0xf);
846 return MASK_OP (insn, 0xcf);
849 switch (__GF (insn, 23, 2))
852 if (__GF (insn, 5, 4) == 0)
853 /* AMxxx AMAyyS AMyyS AMAWzS AMWzS */
854 return MASK_OP (insn, (0x1f << 20) | 0x1ff);
855 else if (__GF (insn, 5, 4) == 1)
856 /* ALR ASR ALA ASA AUPI */
857 return MASK_OP (insn, (0x1f << 20) | (0xf << 5));
858 else if (__GF (insn, 20, 3) == 0 && __GF (insn, 6, 3) == 1)
860 return MASK_OP (insn, (0x1f << 20) | (0x7 << 6));
861 else if (__GF (insn, 20 ,3) == 2 && __GF (insn, 6, 3) == 1)
863 return MASK_OP (insn, (0x1f << 20) | (0xf << 5));
864 else if (__GF (insn, 20 ,3) == 3 && __GF (insn, 6, 3) == 1)
865 /* AMTAR AMTAR2 AMFAR AMFAR2 */
866 return MASK_OP (insn, (0x1f << 20) | (0x1f << 5));
867 else if (__GF (insn, 7, 2) == 3)
869 return MASK_OP (insn, (0x1f << 20) | (0x3 << 7));
870 else if (__GF (insn, 6, 3) == 2)
872 return MASK_OP (insn, (0x1f << 20) | (0xf << 5));
874 /* AmxxxL.l AmxxxL2.S AMxxxL2.L */
875 return MASK_OP (insn, (0x1f << 20) | (0x7 << 6));
877 if (__GF (insn, 20, 3) == 0)
879 return MASK_OP (insn, (0x1f << 20) | (0x1 << 5));
880 else if (__GF (insn, 20, 3) == 1)
881 /* AMTARI Ix AMTARI Mx */
882 return MASK_OP (insn, (0x1f << 20));
883 else if (__GF (insn, 6, 3) == 2)
884 /* AMAWzSl.S AMWzSl.S */
885 return MASK_OP (insn, (0x1f << 20) | (0xf << 5));
886 else if (__GF (insn, 7, 2) == 3)
887 /* AMAWzSSA AMWzSSA */
888 return MASK_OP (insn, (0x1f << 20) | (0x3 << 7));
890 /* AMAWzSL.L AMAWzSL2.S AMAWzSL2.L AMWzSL.L AMWzSL.L AMWzSL2.S */
891 return MASK_OP (insn, (0x1f << 20) | (0x7 << 6));
893 if (__GF (insn, 6, 3) == 2)
894 /* AMAyySl.S AMWyySl.S */
895 return MASK_OP (insn, (0x1f << 20) | (0xf << 5));
896 else if (__GF (insn, 7, 2) == 3)
897 /* AMAWyySSA AMWyySSA */
898 return MASK_OP (insn, (0x1f << 20) | (0x3 << 7));
900 /* AMAWyySL.L AMAWyySL2.S AMAWyySL2.L AMWyySL.L AMWyySL.L AMWyySL2.S */
901 return MASK_OP (insn, (0x1f << 20) | (0x7 << 6));
903 return MASK_OP (insn, 0x1f << 20);
909 /* Define cctl subtype. */
910 static char *cctl_subtype [] =
913 "st0", "st0", "st0", "st2", "st2", "st3", "st3", "st4",
914 "st1", "st1", "st1", "st0", "st0", NULL, NULL, "st5",
916 "st0", NULL, NULL, "st2", "st2", "st3", "st3", NULL,
917 "st1", NULL, NULL, "st0", "st0", NULL, NULL, NULL
920 /* Check the subset of opcode. */
923 nds32_special_opcode (uint32_t insn, struct nds32_opcode **opc)
931 /* Check if special case. */
932 switch ((*opc)->value)
938 case FPU_RA_IMMBI (LWC):
939 case FPU_RA_IMMBI (SWC):
940 case FPU_RA_IMMBI (LDC):
941 case FPU_RA_IMMBI (SDC):
942 /* Check if cp0 => FPU. */
943 if (__GF (insn, 13, 2) == 0)
945 while (!((*opc)->attr & ATTR (FPU)) && (*opc)->next)
954 /* Check if (add/add_slli) (sub/sub_slli) (and/and_slli). */
955 if (N32_SH5(insn) != 0)
960 if (__GF (insn, 10, 15) == 0)
964 string = cctl_subtype [__GF (insn, 5, 5)];
968 case JREG (JR) | JREG_RET:
969 if (__GF (insn, 8, 2) != 0)
976 if (__GF (insn, 5, 4) != 0)
981 if (__GF (insn, 0, 9) == 0)
988 while (strstr ((*opc)->opcode, string) == NULL
989 && strstr ((*opc)->instruction, string) == NULL && (*opc)->next)
994 /* Classify instruction is COP or FPU. */
996 if (op == N32_OP6_COP && __GF (insn, 4, 2) != 0)
998 while (((*opc)->attr & ATTR (FPU)) != 0 && (*opc)->next)
1004 print_insn_nds32 (bfd_vma pc, disassemble_info *info)
1009 static int init = 1;
1011 struct nds32_opcode *opc;
1012 struct nds32_opcode **slot;
1016 /* Build opcode table. */
1017 opcode_htab = htab_create_alloc (1024, htab_hash_hash, htab_hash_eq,
1018 NULL, xcalloc, free);
1020 while (nds32_opcodes[i].opcode != NULL)
1022 opc = &nds32_opcodes[i];
1024 (struct nds32_opcode **) htab_find_slot (opcode_htab, &opc->value,
1028 /* This is the new one. */
1033 /* Already exists. Append to the list. */
1037 opc->next = &nds32_opcodes[i];
1044 status = info->read_memory_func (pc, (bfd_byte *) buf, 4, info);
1047 /* for the last 16-bit instruction. */
1048 status = info->read_memory_func (pc, (bfd_byte *) buf, 2, info);
1051 (*info->memory_error_func)(status, pc, info);
1056 insn = bfd_getb32 (buf);
1057 /* 16-bit instruction. */
1058 if (insn & 0x80000000)
1060 if (info->section && strstr (info->section->name, ".ex9.itable") != NULL)
1062 print_insn16 (pc, info, (insn & 0x0000FFFF),
1063 NDS32_PARSE_INSN16 | NDS32_PARSE_EX9TAB);
1066 print_insn16 (pc, info, (insn >> 16), NDS32_PARSE_INSN16);
1070 /* 32-bit instructions. */
1074 && strstr (info->section->name, ".ex9.itable") != NULL)
1075 print_insn32 (pc, info, insn, NDS32_PARSE_INSN32 | NDS32_PARSE_EX9TAB);
1077 print_insn32 (pc, info, insn, NDS32_PARSE_INSN32);