opcodes/ip2k-desc.c

   1 /* CPU data for ip2k.
   2
   3 THIS FILE IS MACHINE GENERATED WITH CGEN.
   4
   5 Copyright 1996-2005 Free Software Foundation, Inc.
   6
   7 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2, or (at your option)
  12 any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License along
  20 with this program; if not, write to the Free Software Foundation, Inc.,
  21 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  22
  23 */
  24
  25 #include "sysdep.h"
  26 #include <stdio.h>
  27 #include <stdarg.h>
  28 #include "ansidecl.h"
  29 #include "bfd.h"
  30 #include "symcat.h"
  31 #include "ip2k-desc.h"
  32 #include "ip2k-opc.h"
  33 #include "opintl.h"
  34 #include "libiberty.h"
  35 #include "xregex.h"
  36
  37 /* Attributes.  */
  38
  39 static const CGEN_ATTR_ENTRY bool_attr[] =
  40 {
  41   { "#f", 0 },
  42   { "#t", 1 },
  43   { 0, 0 }
  44 };
  45
  46 static const CGEN_ATTR_ENTRY MACH_attr[] ATTRIBUTE_UNUSED =
  47 {
  48   { "base", MACH_BASE },
  49   { "ip2022", MACH_IP2022 },
  50   { "ip2022ext", MACH_IP2022EXT },
  51   { "max", MACH_MAX },
  52   { 0, 0 }
  53 };
  54
  55 static const CGEN_ATTR_ENTRY ISA_attr[] ATTRIBUTE_UNUSED =
  56 {
  57   { "ip2k", ISA_IP2K },
  58   { "max", ISA_MAX },
  59   { 0, 0 }
  60 };
  61
  62 const CGEN_ATTR_TABLE ip2k_cgen_ifield_attr_table[] =
  63 {
  64   { "MACH", & MACH_attr[0], & MACH_attr[0] },
  65   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
  66   { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
  67   { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
  68   { "RESERVED", &bool_attr[0], &bool_attr[0] },
  69   { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
  70   { "SIGNED", &bool_attr[0], &bool_attr[0] },
  71   { 0, 0, 0 }
  72 };
  73
  74 const CGEN_ATTR_TABLE ip2k_cgen_hardware_attr_table[] =
  75 {
  76   { "MACH", & MACH_attr[0], & MACH_attr[0] },
  77   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
  78   { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] },
  79   { "PC", &bool_attr[0], &bool_attr[0] },
  80   { "PROFILE", &bool_attr[0], &bool_attr[0] },
  81   { 0, 0, 0 }
  82 };
  83
  84 const CGEN_ATTR_TABLE ip2k_cgen_operand_attr_table[] =
  85 {
  86   { "MACH", & MACH_attr[0], & MACH_attr[0] },
  87   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
  88   { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
  89   { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
  90   { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
  91   { "SIGNED", &bool_attr[0], &bool_attr[0] },
  92   { "NEGATIVE", &bool_attr[0], &bool_attr[0] },
  93   { "RELAX", &bool_attr[0], &bool_attr[0] },
  94   { "SEM-ONLY", &bool_attr[0], &bool_attr[0] },
  95   { 0, 0, 0 }
  96 };
  97
  98 const CGEN_ATTR_TABLE ip2k_cgen_insn_attr_table[] =
  99 {
 100   { "MACH", & MACH_attr[0], & MACH_attr[0] },
 101   { "ALIAS", &bool_attr[0], &bool_attr[0] },
 102   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
 103   { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] },
 104   { "COND-CTI", &bool_attr[0], &bool_attr[0] },
 105   { "SKIP-CTI", &bool_attr[0], &bool_attr[0] },
 106   { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
 107   { "RELAXABLE", &bool_attr[0], &bool_attr[0] },
 108   { "RELAXED", &bool_attr[0], &bool_attr[0] },
 109   { "NO-DIS", &bool_attr[0], &bool_attr[0] },
 110   { "PBB", &bool_attr[0], &bool_attr[0] },
 111   { "EXT-SKIP-INSN", &bool_attr[0], &bool_attr[0] },
 112   { "SKIPA", &bool_attr[0], &bool_attr[0] },
 113   { 0, 0, 0 }
 114 };
 115
 116 /* Instruction set variants.  */
 117
 118 static const CGEN_ISA ip2k_cgen_isa_table[] = {
 119   { "ip2k", 16, 16, 16, 16 },
 120   { 0, 0, 0, 0, 0 }
 121 };
 122
 123 /* Machine variants.  */
 124
 125 static const CGEN_MACH ip2k_cgen_mach_table[] = {
 126   { "ip2022", "ip2022", MACH_IP2022, 0 },
 127   { "ip2022ext", "ip2022ext", MACH_IP2022EXT, 0 },
 128   { 0, 0, 0, 0 }
 129 };
 130
 131 static CGEN_KEYWORD_ENTRY ip2k_cgen_opval_register_names_entries[] =
 132 {
 133   { "ADDRSEL", 2, {0, {0}}, 0, 0 },
 134   { "ADDRX", 3, {0, {0}}, 0, 0 },
 135   { "IPH", 4, {0, {0}}, 0, 0 },
 136   { "IPL", 5, {0, {0}}, 0, 0 },
 137   { "SPH", 6, {0, {0}}, 0, 0 },
 138   { "SPL", 7, {0, {0}}, 0, 0 },
 139   { "PCH", 8, {0, {0}}, 0, 0 },
 140   { "PCL", 9, {0, {0}}, 0, 0 },
 141   { "WREG", 10, {0, {0}}, 0, 0 },
 142   { "STATUS", 11, {0, {0}}, 0, 0 },
 143   { "DPH", 12, {0, {0}}, 0, 0 },
 144   { "DPL", 13, {0, {0}}, 0, 0 },
 145   { "SPDREG", 14, {0, {0}}, 0, 0 },
 146   { "MULH", 15, {0, {0}}, 0, 0 },
 147   { "ADDRH", 16, {0, {0}}, 0, 0 },
 148   { "ADDRL", 17, {0, {0}}, 0, 0 },
 149   { "DATAH", 18, {0, {0}}, 0, 0 },
 150   { "DATAL", 19, {0, {0}}, 0, 0 },
 151   { "INTVECH", 20, {0, {0}}, 0, 0 },
 152   { "INTVECL", 21, {0, {0}}, 0, 0 },
 153   { "INTSPD", 22, {0, {0}}, 0, 0 },
 154   { "INTF", 23, {0, {0}}, 0, 0 },
 155   { "INTE", 24, {0, {0}}, 0, 0 },
 156   { "INTED", 25, {0, {0}}, 0, 0 },
 157   { "FCFG", 26, {0, {0}}, 0, 0 },
 158   { "TCTRL", 27, {0, {0}}, 0, 0 },
 159   { "XCFG", 28, {0, {0}}, 0, 0 },
 160   { "EMCFG", 29, {0, {0}}, 0, 0 },
 161   { "IPCH", 30, {0, {0}}, 0, 0 },
 162   { "IPCL", 31, {0, {0}}, 0, 0 },
 163   { "RAIN", 32, {0, {0}}, 0, 0 },
 164   { "RAOUT", 33, {0, {0}}, 0, 0 },
 165   { "RADIR", 34, {0, {0}}, 0, 0 },
 166   { "LFSRH", 35, {0, {0}}, 0, 0 },
 167   { "RBIN", 36, {0, {0}}, 0, 0 },
 168   { "RBOUT", 37, {0, {0}}, 0, 0 },
 169   { "RBDIR", 38, {0, {0}}, 0, 0 },
 170   { "LFSRL", 39, {0, {0}}, 0, 0 },
 171   { "RCIN", 40, {0, {0}}, 0, 0 },
 172   { "RCOUT", 41, {0, {0}}, 0, 0 },
 173   { "RCDIR", 42, {0, {0}}, 0, 0 },
 174   { "LFSRA", 43, {0, {0}}, 0, 0 },
 175   { "RDIN", 44, {0, {0}}, 0, 0 },
 176   { "RDOUT", 45, {0, {0}}, 0, 0 },
 177   { "RDDIR", 46, {0, {0}}, 0, 0 },
 178   { "REIN", 48, {0, {0}}, 0, 0 },
 179   { "REOUT", 49, {0, {0}}, 0, 0 },
 180   { "REDIR", 50, {0, {0}}, 0, 0 },
 181   { "RFIN", 52, {0, {0}}, 0, 0 },
 182   { "RFOUT", 53, {0, {0}}, 0, 0 },
 183   { "RFDIR", 54, {0, {0}}, 0, 0 },
 184   { "RGOUT", 57, {0, {0}}, 0, 0 },
 185   { "RGDIR", 58, {0, {0}}, 0, 0 },
 186   { "RTTMR", 64, {0, {0}}, 0, 0 },
 187   { "RTCFG", 65, {0, {0}}, 0, 0 },
 188   { "T0TMR", 66, {0, {0}}, 0, 0 },
 189   { "T0CFG", 67, {0, {0}}, 0, 0 },
 190   { "T1CNTH", 68, {0, {0}}, 0, 0 },
 191   { "T1CNTL", 69, {0, {0}}, 0, 0 },
 192   { "T1CAP1H", 70, {0, {0}}, 0, 0 },
 193   { "T1CAP1L", 71, {0, {0}}, 0, 0 },
 194   { "T1CAP2H", 72, {0, {0}}, 0, 0 },
 195   { "T1CMP2H", 72, {0, {0}}, 0, 0 },
 196   { "T1CAP2L", 73, {0, {0}}, 0, 0 },
 197   { "T1CMP2L", 73, {0, {0}}, 0, 0 },
 198   { "T1CMP1H", 74, {0, {0}}, 0, 0 },
 199   { "T1CMP1L", 75, {0, {0}}, 0, 0 },
 200   { "T1CFG1H", 76, {0, {0}}, 0, 0 },
 201   { "T1CFG1L", 77, {0, {0}}, 0, 0 },
 202   { "T1CFG2H", 78, {0, {0}}, 0, 0 },
 203   { "T1CFG2L", 79, {0, {0}}, 0, 0 },
 204   { "ADCH", 80, {0, {0}}, 0, 0 },
 205   { "ADCL", 81, {0, {0}}, 0, 0 },
 206   { "ADCCFG", 82, {0, {0}}, 0, 0 },
 207   { "ADCTMR", 83, {0, {0}}, 0, 0 },
 208   { "T2CNTH", 84, {0, {0}}, 0, 0 },
 209   { "T2CNTL", 85, {0, {0}}, 0, 0 },
 210   { "T2CAP1H", 86, {0, {0}}, 0, 0 },
 211   { "T2CAP1L", 87, {0, {0}}, 0, 0 },
 212   { "T2CAP2H", 88, {0, {0}}, 0, 0 },
 213   { "T2CMP2H", 88, {0, {0}}, 0, 0 },
 214   { "T2CAP2L", 89, {0, {0}}, 0, 0 },
 215   { "T2CMP2L", 89, {0, {0}}, 0, 0 },
 216   { "T2CMP1H", 90, {0, {0}}, 0, 0 },
 217   { "T2CMP1L", 91, {0, {0}}, 0, 0 },
 218   { "T2CFG1H", 92, {0, {0}}, 0, 0 },
 219   { "T2CFG1L", 93, {0, {0}}, 0, 0 },
 220   { "T2CFG2H", 94, {0, {0}}, 0, 0 },
 221   { "T2CFG2L", 95, {0, {0}}, 0, 0 },
 222   { "S1TMRH", 96, {0, {0}}, 0, 0 },
 223   { "S1TMRL", 97, {0, {0}}, 0, 0 },
 224   { "S1TBUFH", 98, {0, {0}}, 0, 0 },
 225   { "S1TBUFL", 99, {0, {0}}, 0, 0 },
 226   { "S1TCFG", 100, {0, {0}}, 0, 0 },
 227   { "S1RCNT", 101, {0, {0}}, 0, 0 },
 228   { "S1RBUFH", 102, {0, {0}}, 0, 0 },
 229   { "S1RBUFL", 103, {0, {0}}, 0, 0 },
 230   { "S1RCFG", 104, {0, {0}}, 0, 0 },
 231   { "S1RSYNC", 105, {0, {0}}, 0, 0 },
 232   { "S1INTF", 106, {0, {0}}, 0, 0 },
 233   { "S1INTE", 107, {0, {0}}, 0, 0 },
 234   { "S1MODE", 108, {0, {0}}, 0, 0 },
 235   { "S1SMASK", 109, {0, {0}}, 0, 0 },
 236   { "PSPCFG", 110, {0, {0}}, 0, 0 },
 237   { "CMPCFG", 111, {0, {0}}, 0, 0 },
 238   { "S2TMRH", 112, {0, {0}}, 0, 0 },
 239   { "S2TMRL", 113, {0, {0}}, 0, 0 },
 240   { "S2TBUFH", 114, {0, {0}}, 0, 0 },
 241   { "S2TBUFL", 115, {0, {0}}, 0, 0 },
 242   { "S2TCFG", 116, {0, {0}}, 0, 0 },
 243   { "S2RCNT", 117, {0, {0}}, 0, 0 },
 244   { "S2RBUFH", 118, {0, {0}}, 0, 0 },
 245   { "S2RBUFL", 119, {0, {0}}, 0, 0 },
 246   { "S2RCFG", 120, {0, {0}}, 0, 0 },
 247   { "S2RSYNC", 121, {0, {0}}, 0, 0 },
 248   { "S2INTF", 122, {0, {0}}, 0, 0 },
 249   { "S2INTE", 123, {0, {0}}, 0, 0 },
 250   { "S2MODE", 124, {0, {0}}, 0, 0 },
 251   { "S2SMASK", 125, {0, {0}}, 0, 0 },
 252   { "CALLH", 126, {0, {0}}, 0, 0 },
 253   { "CALLL", 127, {0, {0}}, 0, 0 }
 254 };
 255
 256 CGEN_KEYWORD ip2k_cgen_opval_register_names =
 257 {
 258   & ip2k_cgen_opval_register_names_entries[0],
 259   121,
 260   0, 0, 0, 0, ""
 261 };
 262
 263
 264 /* The hardware table.  */
 265
 266 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 267 #define A(a) (1 << CGEN_HW_##a)
 268 #else
 269 #define A(a) (1 << CGEN_HW_/**/a)
 270 #endif
 271
 272 const CGEN_HW_ENTRY ip2k_cgen_hw_table[] =
 273 {
 274   { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 275   { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 276   { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 277   { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 278   { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 279   { "h-spr", HW_H_SPR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 280   { "h-registers", HW_H_REGISTERS, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 281   { "h-stack", HW_H_STACK, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 282   { "h-pabits", HW_H_PABITS, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 283   { "h-zbit", HW_H_ZBIT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 284   { "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 285   { "h-dcbit", HW_H_DCBIT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 286   { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { (1<<MACH_BASE) } } },
 287   { 0, 0, CGEN_ASM_NONE, 0, {0, {0}} }
 288 };
 289
 290 #undef A
 291
 292
 293 /* The instruction field table.  */
 294
 295 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 296 #define A(a) (1 << CGEN_IFLD_##a)
 297 #else
 298 #define A(a) (1 << CGEN_IFLD_/**/a)
 299 #endif
 300
 301 const CGEN_IFLD ip2k_cgen_ifld_table[] =
 302 {
 303   { IP2K_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } }  },
 304   { IP2K_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } }  },
 305   { IP2K_F_IMM8, "f-imm8", 0, 16, 7, 8, { 0, { (1<<MACH_BASE) } }  },
 306   { IP2K_F_REG, "f-reg", 0, 16, 8, 9, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 307   { IP2K_F_ADDR16CJP, "f-addr16cjp", 0, 16, 12, 13, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 308   { IP2K_F_DIR, "f-dir", 0, 16, 9, 1, { 0, { (1<<MACH_BASE) } }  },
 309   { IP2K_F_BITNO, "f-bitno", 0, 16, 11, 3, { 0, { (1<<MACH_BASE) } }  },
 310   { IP2K_F_OP3, "f-op3", 0, 16, 15, 3, { 0, { (1<<MACH_BASE) } }  },
 311   { IP2K_F_OP4, "f-op4", 0, 16, 15, 4, { 0, { (1<<MACH_BASE) } }  },
 312   { IP2K_F_OP4MID, "f-op4mid", 0, 16, 11, 4, { 0, { (1<<MACH_BASE) } }  },
 313   { IP2K_F_OP6, "f-op6", 0, 16, 15, 6, { 0, { (1<<MACH_BASE) } }  },
 314   { IP2K_F_OP8, "f-op8", 0, 16, 15, 8, { 0, { (1<<MACH_BASE) } }  },
 315   { IP2K_F_OP6_10LOW, "f-op6-10low", 0, 16, 9, 10, { 0, { (1<<MACH_BASE) } }  },
 316   { IP2K_F_OP6_7LOW, "f-op6-7low", 0, 16, 9, 7, { 0, { (1<<MACH_BASE) } }  },
 317   { IP2K_F_RETI3, "f-reti3", 0, 16, 2, 3, { 0, { (1<<MACH_BASE) } }  },
 318   { IP2K_F_SKIPB, "f-skipb", 0, 16, 12, 1, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 319   { IP2K_F_PAGE3, "f-page3", 0, 16, 2, 3, { 0, { (1<<MACH_BASE) } }  },
 320   { 0, 0, 0, 0, 0, 0, {0, {0}} }
 321 };
 322
 323 #undef A
 324
 325
 326
 327 /* multi ifield declarations */
 328
 329
 330
 331 /* multi ifield definitions */
 332
 333
 334 /* The operand table.  */
 335
 336 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 337 #define A(a) (1 << CGEN_OPERAND_##a)
 338 #else
 339 #define A(a) (1 << CGEN_OPERAND_/**/a)
 340 #endif
 341 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 342 #define OPERAND(op) IP2K_OPERAND_##op
 343 #else
 344 #define OPERAND(op) IP2K_OPERAND_/**/op
 345 #endif
 346
 347 const CGEN_OPERAND ip2k_cgen_operand_table[] =
 348 {
 349 /* pc: program counter */
 350   { "pc", IP2K_OPERAND_PC, HW_H_PC, 0, 0,
 351     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_NIL] } },
 352     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 353 /* addr16cjp: 13-bit address */
 354   { "addr16cjp", IP2K_OPERAND_ADDR16CJP, HW_H_UINT, 12, 13,
 355     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_ADDR16CJP] } },
 356     { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 357 /* fr: register */
 358   { "fr", IP2K_OPERAND_FR, HW_H_REGISTERS, 8, 9,
 359     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_REG] } },
 360     { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 361 /* lit8: 8-bit signed literal */
 362   { "lit8", IP2K_OPERAND_LIT8, HW_H_SINT, 7, 8,
 363     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_IMM8] } },
 364     { 0, { (1<<MACH_BASE) } }  },
 365 /* bitno: bit number */
 366   { "bitno", IP2K_OPERAND_BITNO, HW_H_UINT, 11, 3,
 367     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_BITNO] } },
 368     { 0, { (1<<MACH_BASE) } }  },
 369 /* addr16p: page number */
 370   { "addr16p", IP2K_OPERAND_ADDR16P, HW_H_UINT, 2, 3,
 371     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_PAGE3] } },
 372     { 0, { (1<<MACH_BASE) } }  },
 373 /* addr16h: high 8 bits of address */
 374   { "addr16h", IP2K_OPERAND_ADDR16H, HW_H_UINT, 7, 8,
 375     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_IMM8] } },
 376     { 0, { (1<<MACH_BASE) } }  },
 377 /* addr16l: low 8 bits of address */
 378   { "addr16l", IP2K_OPERAND_ADDR16L, HW_H_UINT, 7, 8,
 379     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_IMM8] } },
 380     { 0, { (1<<MACH_BASE) } }  },
 381 /* reti3: reti flags */
 382   { "reti3", IP2K_OPERAND_RETI3, HW_H_UINT, 2, 3,
 383     { 0, { (const PTR) &ip2k_cgen_ifld_table[IP2K_F_RETI3] } },
 384     { 0, { (1<<MACH_BASE) } }  },
 385 /* pabits: page bits */
 386   { "pabits", IP2K_OPERAND_PABITS, HW_H_PABITS, 0, 0,
 387     { 0, { (const PTR) 0 } },
 388     { 0, { (1<<MACH_BASE) } }  },
 389 /* zbit: zero bit */
 390   { "zbit", IP2K_OPERAND_ZBIT, HW_H_ZBIT, 0, 0,
 391     { 0, { (const PTR) 0 } },
 392     { 0, { (1<<MACH_BASE) } }  },
 393 /* cbit: carry bit */
 394   { "cbit", IP2K_OPERAND_CBIT, HW_H_CBIT, 0, 0,
 395     { 0, { (const PTR) 0 } },
 396     { 0, { (1<<MACH_BASE) } }  },
 397 /* dcbit: digit carry bit */
 398   { "dcbit", IP2K_OPERAND_DCBIT, HW_H_DCBIT, 0, 0,
 399     { 0, { (const PTR) 0 } },
 400     { 0, { (1<<MACH_BASE) } }  },
 401 /* sentinel */
 402   { 0, 0, 0, 0, 0,
 403     { 0, { (const PTR) 0 } },
 404     { 0, { 0 } } }
 405 };
 406
 407 #undef A
 408
 409
 410 /* The instruction table.  */
 411
 412 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 413 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 414 #define A(a) (1 << CGEN_INSN_##a)
 415 #else
 416 #define A(a) (1 << CGEN_INSN_/**/a)
 417 #endif
 418
 419 static const CGEN_IBASE ip2k_cgen_insn_table[MAX_INSNS] =
 420 {
 421   /* Special null first entry.
 422      A `num' value of zero is thus invalid.
 423      Also, the special `invalid' insn resides here.  */
 424   { 0, 0, 0, 0, {0, {0}} },
 425 /* jmp $addr16cjp */
 426   {
 427     IP2K_INSN_JMP, "jmp", "jmp", 16,
 428     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
 429   },
 430 /* call $addr16cjp */
 431   {
 432     IP2K_INSN_CALL, "call", "call", 16,
 433     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
 434   },
 435 /* sb $fr,$bitno */
 436   {
 437     IP2K_INSN_SB, "sb", "sb", 16,
 438     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 439   },
 440 /* snb $fr,$bitno */
 441   {
 442     IP2K_INSN_SNB, "snb", "snb", 16,
 443     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 444   },
 445 /* setb $fr,$bitno */
 446   {
 447     IP2K_INSN_SETB, "setb", "setb", 16,
 448     { 0, { (1<<MACH_BASE) } }
 449   },
 450 /* clrb $fr,$bitno */
 451   {
 452     IP2K_INSN_CLRB, "clrb", "clrb", 16,
 453     { 0, { (1<<MACH_BASE) } }
 454   },
 455 /* xor W,#$lit8 */
 456   {
 457     IP2K_INSN_XORW_L, "xorw_l", "xor", 16,
 458     { 0, { (1<<MACH_BASE) } }
 459   },
 460 /* and W,#$lit8 */
 461   {
 462     IP2K_INSN_ANDW_L, "andw_l", "and", 16,
 463     { 0, { (1<<MACH_BASE) } }
 464   },
 465 /* or W,#$lit8 */
 466   {
 467     IP2K_INSN_ORW_L, "orw_l", "or", 16,
 468     { 0, { (1<<MACH_BASE) } }
 469   },
 470 /* add W,#$lit8 */
 471   {
 472     IP2K_INSN_ADDW_L, "addw_l", "add", 16,
 473     { 0, { (1<<MACH_BASE) } }
 474   },
 475 /* sub W,#$lit8 */
 476   {
 477     IP2K_INSN_SUBW_L, "subw_l", "sub", 16,
 478     { 0, { (1<<MACH_BASE) } }
 479   },
 480 /* cmp W,#$lit8 */
 481   {
 482     IP2K_INSN_CMPW_L, "cmpw_l", "cmp", 16,
 483     { 0, { (1<<MACH_BASE) } }
 484   },
 485 /* retw #$lit8 */
 486   {
 487     IP2K_INSN_RETW_L, "retw_l", "retw", 16,
 488     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
 489   },
 490 /* cse W,#$lit8 */
 491   {
 492     IP2K_INSN_CSEW_L, "csew_l", "cse", 16,
 493     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 494   },
 495 /* csne W,#$lit8 */
 496   {
 497     IP2K_INSN_CSNEW_L, "csnew_l", "csne", 16,
 498     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 499   },
 500 /* push #$lit8 */
 501   {
 502     IP2K_INSN_PUSH_L, "push_l", "push", 16,
 503     { 0, { (1<<MACH_BASE) } }
 504   },
 505 /* muls W,#$lit8 */
 506   {
 507     IP2K_INSN_MULSW_L, "mulsw_l", "muls", 16,
 508     { 0, { (1<<MACH_BASE) } }
 509   },
 510 /* mulu W,#$lit8 */
 511   {
 512     IP2K_INSN_MULUW_L, "muluw_l", "mulu", 16,
 513     { 0, { (1<<MACH_BASE) } }
 514   },
 515 /* loadl #$lit8 */
 516   {
 517     IP2K_INSN_LOADL_L, "loadl_l", "loadl", 16,
 518     { 0|A(EXT_SKIP_INSN), { (1<<MACH_BASE) } }
 519   },
 520 /* loadh #$lit8 */
 521   {
 522     IP2K_INSN_LOADH_L, "loadh_l", "loadh", 16,
 523     { 0|A(EXT_SKIP_INSN), { (1<<MACH_BASE) } }
 524   },
 525 /* loadl $addr16l */
 526   {
 527     IP2K_INSN_LOADL_A, "loadl_a", "loadl", 16,
 528     { 0|A(EXT_SKIP_INSN), { (1<<MACH_BASE) } }
 529   },
 530 /* loadh $addr16h */
 531   {
 532     IP2K_INSN_LOADH_A, "loadh_a", "loadh", 16,
 533     { 0|A(EXT_SKIP_INSN), { (1<<MACH_BASE) } }
 534   },
 535 /* addc $fr,W */
 536   {
 537     IP2K_INSN_ADDCFR_W, "addcfr_w", "addc", 16,
 538     { 0, { (1<<MACH_BASE) } }
 539   },
 540 /* addc W,$fr */
 541   {
 542     IP2K_INSN_ADDCW_FR, "addcw_fr", "addc", 16,
 543     { 0, { (1<<MACH_BASE) } }
 544   },
 545 /* incsnz $fr */
 546   {
 547     IP2K_INSN_INCSNZ_FR, "incsnz_fr", "incsnz", 16,
 548     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 549   },
 550 /* incsnz W,$fr */
 551   {
 552     IP2K_INSN_INCSNZW_FR, "incsnzw_fr", "incsnz", 16,
 553     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 554   },
 555 /* muls W,$fr */
 556   {
 557     IP2K_INSN_MULSW_FR, "mulsw_fr", "muls", 16,
 558     { 0, { (1<<MACH_BASE) } }
 559   },
 560 /* mulu W,$fr */
 561   {
 562     IP2K_INSN_MULUW_FR, "muluw_fr", "mulu", 16,
 563     { 0, { (1<<MACH_BASE) } }
 564   },
 565 /* decsnz $fr */
 566   {
 567     IP2K_INSN_DECSNZ_FR, "decsnz_fr", "decsnz", 16,
 568     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 569   },
 570 /* decsnz W,$fr */
 571   {
 572     IP2K_INSN_DECSNZW_FR, "decsnzw_fr", "decsnz", 16,
 573     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 574   },
 575 /* subc W,$fr */
 576   {
 577     IP2K_INSN_SUBCW_FR, "subcw_fr", "subc", 16,
 578     { 0, { (1<<MACH_BASE) } }
 579   },
 580 /* subc $fr,W */
 581   {
 582     IP2K_INSN_SUBCFR_W, "subcfr_w", "subc", 16,
 583     { 0, { (1<<MACH_BASE) } }
 584   },
 585 /* pop $fr */
 586   {
 587     IP2K_INSN_POP_FR, "pop_fr", "pop", 16,
 588     { 0, { (1<<MACH_BASE) } }
 589   },
 590 /* push $fr */
 591   {
 592     IP2K_INSN_PUSH_FR, "push_fr", "push", 16,
 593     { 0, { (1<<MACH_BASE) } }
 594   },
 595 /* cse W,$fr */
 596   {
 597     IP2K_INSN_CSEW_FR, "csew_fr", "cse", 16,
 598     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 599   },
 600 /* csne W,$fr */
 601   {
 602     IP2K_INSN_CSNEW_FR, "csnew_fr", "csne", 16,
 603     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 604   },
 605 /* incsz $fr */
 606   {
 607     IP2K_INSN_INCSZ_FR, "incsz_fr", "incsz", 16,
 608     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 609   },
 610 /* incsz W,$fr */
 611   {
 612     IP2K_INSN_INCSZW_FR, "incszw_fr", "incsz", 16,
 613     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 614   },
 615 /* swap $fr */
 616   {
 617     IP2K_INSN_SWAP_FR, "swap_fr", "swap", 16,
 618     { 0, { (1<<MACH_BASE) } }
 619   },
 620 /* swap W,$fr */
 621   {
 622     IP2K_INSN_SWAPW_FR, "swapw_fr", "swap", 16,
 623     { 0, { (1<<MACH_BASE) } }
 624   },
 625 /* rl $fr */
 626   {
 627     IP2K_INSN_RL_FR, "rl_fr", "rl", 16,
 628     { 0, { (1<<MACH_BASE) } }
 629   },
 630 /* rl W,$fr */
 631   {
 632     IP2K_INSN_RLW_FR, "rlw_fr", "rl", 16,
 633     { 0, { (1<<MACH_BASE) } }
 634   },
 635 /* rr $fr */
 636   {
 637     IP2K_INSN_RR_FR, "rr_fr", "rr", 16,
 638     { 0, { (1<<MACH_BASE) } }
 639   },
 640 /* rr W,$fr */
 641   {
 642     IP2K_INSN_RRW_FR, "rrw_fr", "rr", 16,
 643     { 0, { (1<<MACH_BASE) } }
 644   },
 645 /* decsz $fr */
 646   {
 647     IP2K_INSN_DECSZ_FR, "decsz_fr", "decsz", 16,
 648     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 649   },
 650 /* decsz W,$fr */
 651   {
 652     IP2K_INSN_DECSZW_FR, "decszw_fr", "decsz", 16,
 653     { 0|A(SKIP_CTI), { (1<<MACH_BASE) } }
 654   },
 655 /* inc $fr */
 656   {
 657     IP2K_INSN_INC_FR, "inc_fr", "inc", 16,
 658     { 0, { (1<<MACH_BASE) } }
 659   },
 660 /* inc W,$fr */
 661   {
 662     IP2K_INSN_INCW_FR, "incw_fr", "inc", 16,
 663     { 0, { (1<<MACH_BASE) } }
 664   },
 665 /* not $fr */
 666   {
 667     IP2K_INSN_NOT_FR, "not_fr", "not", 16,
 668     { 0, { (1<<MACH_BASE) } }
 669   },
 670 /* not W,$fr */
 671   {
 672     IP2K_INSN_NOTW_FR, "notw_fr", "not", 16,
 673     { 0, { (1<<MACH_BASE) } }
 674   },
 675 /* test $fr */
 676   {
 677     IP2K_INSN_TEST_FR, "test_fr", "test", 16,
 678     { 0, { (1<<MACH_BASE) } }
 679   },
 680 /* mov W,#$lit8 */
 681   {
 682     IP2K_INSN_MOVW_L, "movw_l", "mov", 16,
 683     { 0, { (1<<MACH_BASE) } }
 684   },
 685 /* mov $fr,W */
 686   {
 687     IP2K_INSN_MOVFR_W, "movfr_w", "mov", 16,
 688     { 0, { (1<<MACH_BASE) } }
 689   },
 690 /* mov W,$fr */
 691   {
 692     IP2K_INSN_MOVW_FR, "movw_fr", "mov", 16,
 693     { 0, { (1<<MACH_BASE) } }
 694   },
 695 /* add $fr,W */
 696   {
 697     IP2K_INSN_ADDFR_W, "addfr_w", "add", 16,
 698     { 0, { (1<<MACH_BASE) } }
 699   },
 700 /* add W,$fr */
 701   {
 702     IP2K_INSN_ADDW_FR, "addw_fr", "add", 16,
 703     { 0, { (1<<MACH_BASE) } }
 704   },
 705 /* xor $fr,W */
 706   {
 707     IP2K_INSN_XORFR_W, "xorfr_w", "xor", 16,
 708     { 0, { (1<<MACH_BASE) } }
 709   },
 710 /* xor W,$fr */
 711   {
 712     IP2K_INSN_XORW_FR, "xorw_fr", "xor", 16,
 713     { 0, { (1<<MACH_BASE) } }
 714   },
 715 /* and $fr,W */
 716   {
 717     IP2K_INSN_ANDFR_W, "andfr_w", "and", 16,
 718     { 0, { (1<<MACH_BASE) } }
 719   },
 720 /* and W,$fr */
 721   {
 722     IP2K_INSN_ANDW_FR, "andw_fr", "and", 16,
 723     { 0, { (1<<MACH_BASE) } }
 724   },
 725 /* or $fr,W */
 726   {
 727     IP2K_INSN_ORFR_W, "orfr_w", "or", 16,
 728     { 0, { (1<<MACH_BASE) } }
 729   },
 730 /* or W,$fr */
 731   {
 732     IP2K_INSN_ORW_FR, "orw_fr", "or", 16,
 733     { 0, { (1<<MACH_BASE) } }
 734   },
 735 /* dec $fr */
 736   {
 737     IP2K_INSN_DEC_FR, "dec_fr", "dec", 16,
 738     { 0, { (1<<MACH_BASE) } }
 739   },
 740 /* dec W,$fr */
 741   {
 742     IP2K_INSN_DECW_FR, "decw_fr", "dec", 16,
 743     { 0, { (1<<MACH_BASE) } }
 744   },
 745 /* sub $fr,W */
 746   {
 747     IP2K_INSN_SUBFR_W, "subfr_w", "sub", 16,
 748     { 0, { (1<<MACH_BASE) } }
 749   },
 750 /* sub W,$fr */
 751   {
 752     IP2K_INSN_SUBW_FR, "subw_fr", "sub", 16,
 753     { 0, { (1<<MACH_BASE) } }
 754   },
 755 /* clr $fr */
 756   {
 757     IP2K_INSN_CLR_FR, "clr_fr", "clr", 16,
 758     { 0, { (1<<MACH_BASE) } }
 759   },
 760 /* cmp W,$fr */
 761   {
 762     IP2K_INSN_CMPW_FR, "cmpw_fr", "cmp", 16,
 763     { 0, { (1<<MACH_BASE) } }
 764   },
 765 /* speed #$lit8 */
 766   {
 767     IP2K_INSN_SPEED, "speed", "speed", 16,
 768     { 0, { (1<<MACH_BASE) } }
 769   },
 770 /* ireadi */
 771   {
 772     IP2K_INSN_IREADI, "ireadi", "ireadi", 16,
 773     { 0, { (1<<MACH_BASE) } }
 774   },
 775 /* iwritei */
 776   {
 777     IP2K_INSN_IWRITEI, "iwritei", "iwritei", 16,
 778     { 0, { (1<<MACH_BASE) } }
 779   },
 780 /* fread */
 781   {
 782     IP2K_INSN_FREAD, "fread", "fread", 16,
 783     { 0, { (1<<MACH_BASE) } }
 784   },
 785 /* fwrite */
 786   {
 787     IP2K_INSN_FWRITE, "fwrite", "fwrite", 16,
 788     { 0, { (1<<MACH_BASE) } }
 789   },
 790 /* iread */
 791   {
 792     IP2K_INSN_IREAD, "iread", "iread", 16,
 793     { 0, { (1<<MACH_BASE) } }
 794   },
 795 /* iwrite */
 796   {
 797     IP2K_INSN_IWRITE, "iwrite", "iwrite", 16,
 798     { 0, { (1<<MACH_BASE) } }
 799   },
 800 /* page $addr16p */
 801   {
 802     IP2K_INSN_PAGE, "page", "page", 16,
 803     { 0|A(EXT_SKIP_INSN), { (1<<MACH_BASE) } }
 804   },
 805 /* system */
 806   {
 807     IP2K_INSN_SYSTEM, "system", "system", 16,
 808     { 0, { (1<<MACH_BASE) } }
 809   },
 810 /* reti #$reti3 */
 811   {
 812     IP2K_INSN_RETI, "reti", "reti", 16,
 813     { 0, { (1<<MACH_BASE) } }
 814   },
 815 /* ret */
 816   {
 817     IP2K_INSN_RET, "ret", "ret", 16,
 818     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
 819   },
 820 /* int */
 821   {
 822     IP2K_INSN_INT, "int", "int", 16,
 823     { 0, { (1<<MACH_BASE) } }
 824   },
 825 /* breakx */
 826   {
 827     IP2K_INSN_BREAKX, "breakx", "breakx", 16,
 828     { 0|A(EXT_SKIP_INSN), { (1<<MACH_BASE) } }
 829   },
 830 /* cwdt */
 831   {
 832     IP2K_INSN_CWDT, "cwdt", "cwdt", 16,
 833     { 0, { (1<<MACH_BASE) } }
 834   },
 835 /* ferase */
 836   {
 837     IP2K_INSN_FERASE, "ferase", "ferase", 16,
 838     { 0, { (1<<MACH_BASE) } }
 839   },
 840 /* retnp */
 841   {
 842     IP2K_INSN_RETNP, "retnp", "retnp", 16,
 843     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
 844   },
 845 /* break */
 846   {
 847     IP2K_INSN_BREAK, "break", "break", 16,
 848     { 0, { (1<<MACH_BASE) } }
 849   },
 850 /* nop */
 851   {
 852     IP2K_INSN_NOP, "nop", "nop", 16,
 853     { 0, { (1<<MACH_BASE) } }
 854   },
 855 };
 856
 857 #undef OP
 858 #undef A
 859
 860 /* Initialize anything needed to be done once, before any cpu_open call.  */
 861
 862 static void
 863 init_tables (void)
 864 {
 865 }
 866
 867 static const CGEN_MACH * lookup_mach_via_bfd_name (const CGEN_MACH *, const char *);
 868 static void build_hw_table      (CGEN_CPU_TABLE *);
 869 static void build_ifield_table  (CGEN_CPU_TABLE *);
 870 static void build_operand_table (CGEN_CPU_TABLE *);
 871 static void build_insn_table    (CGEN_CPU_TABLE *);
 872 static void ip2k_cgen_rebuild_tables (CGEN_CPU_TABLE *);
 873
 874 /* Subroutine of ip2k_cgen_cpu_open to look up a mach via its bfd name.  */
 875
 876 static const CGEN_MACH *
 877 lookup_mach_via_bfd_name (const CGEN_MACH *table, const char *name)
 878 {
 879   while (table->name)
 880     {
 881       if (strcmp (name, table->bfd_name) == 0)
 882         return table;
 883       ++table;
 884     }
 885   abort ();
 886 }
 887
 888 /* Subroutine of ip2k_cgen_cpu_open to build the hardware table.  */
 889
 890 static void
 891 build_hw_table (CGEN_CPU_TABLE *cd)
 892 {
 893   int i;
 894   int machs = cd->machs;
 895   const CGEN_HW_ENTRY *init = & ip2k_cgen_hw_table[0];
 896   /* MAX_HW is only an upper bound on the number of selected entries.
 897      However each entry is indexed by it's enum so there can be holes in
 898      the table.  */
 899   const CGEN_HW_ENTRY **selected =
 900     (const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *));
 901
 902   cd->hw_table.init_entries = init;
 903   cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
 904   memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *));
 905   /* ??? For now we just use machs to determine which ones we want.  */
 906   for (i = 0; init[i].name != NULL; ++i)
 907     if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH)
 908         & machs)
 909       selected[init[i].type] = &init[i];
 910   cd->hw_table.entries = selected;
 911   cd->hw_table.num_entries = MAX_HW;
 912 }
 913
 914 /* Subroutine of ip2k_cgen_cpu_open to build the hardware table.  */
 915
 916 static void
 917 build_ifield_table (CGEN_CPU_TABLE *cd)
 918 {
 919   cd->ifld_table = & ip2k_cgen_ifld_table[0];
 920 }
 921
 922 /* Subroutine of ip2k_cgen_cpu_open to build the hardware table.  */
 923
 924 static void
 925 build_operand_table (CGEN_CPU_TABLE *cd)
 926 {
 927   int i;
 928   int machs = cd->machs;
 929   const CGEN_OPERAND *init = & ip2k_cgen_operand_table[0];
 930   /* MAX_OPERANDS is only an upper bound on the number of selected entries.
 931      However each entry is indexed by it's enum so there can be holes in
 932      the table.  */
 933   const CGEN_OPERAND **selected = xmalloc (MAX_OPERANDS * sizeof (* selected));
 934
 935   cd->operand_table.init_entries = init;
 936   cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
 937   memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
 938   /* ??? For now we just use mach to determine which ones we want.  */
 939   for (i = 0; init[i].name != NULL; ++i)
 940     if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
 941         & machs)
 942       selected[init[i].type] = &init[i];
 943   cd->operand_table.entries = selected;
 944   cd->operand_table.num_entries = MAX_OPERANDS;
 945 }
 946
 947 /* Subroutine of ip2k_cgen_cpu_open to build the hardware table.
 948    ??? This could leave out insns not supported by the specified mach/isa,
 949    but that would cause errors like "foo only supported by bar" to become
 950    "unknown insn", so for now we include all insns and require the app to
 951    do the checking later.
 952    ??? On the other hand, parsing of such insns may require their hardware or
 953    operand elements to be in the table [which they mightn't be].  */
 954
 955 static void
 956 build_insn_table (CGEN_CPU_TABLE *cd)
 957 {
 958   int i;
 959   const CGEN_IBASE *ib = & ip2k_cgen_insn_table[0];
 960   CGEN_INSN *insns = xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
 961
 962   memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
 963   for (i = 0; i < MAX_INSNS; ++i)
 964     insns[i].base = &ib[i];
 965   cd->insn_table.init_entries = insns;
 966   cd->insn_table.entry_size = sizeof (CGEN_IBASE);
 967   cd->insn_table.num_init_entries = MAX_INSNS;
 968 }
 969
 970 /* Subroutine of ip2k_cgen_cpu_open to rebuild the tables.  */
 971
 972 static void
 973 ip2k_cgen_rebuild_tables (CGEN_CPU_TABLE *cd)
 974 {
 975   int i;
 976   unsigned int isas = cd->isas;
 977   unsigned int machs = cd->machs;
 978
 979   cd->int_insn_p = CGEN_INT_INSN_P;
 980
 981   /* Data derived from the isa spec.  */
 982 #define UNSET (CGEN_SIZE_UNKNOWN + 1)
 983   cd->default_insn_bitsize = UNSET;
 984   cd->base_insn_bitsize = UNSET;
 985   cd->min_insn_bitsize = 65535; /* Some ridiculously big number.  */
 986   cd->max_insn_bitsize = 0;
 987   for (i = 0; i < MAX_ISAS; ++i)
 988     if (((1 << i) & isas) != 0)
 989       {
 990         const CGEN_ISA *isa = & ip2k_cgen_isa_table[i];
 991
 992         /* Default insn sizes of all selected isas must be
 993            equal or we set the result to 0, meaning "unknown".  */
 994         if (cd->default_insn_bitsize == UNSET)
 995           cd->default_insn_bitsize = isa->default_insn_bitsize;
 996         else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
 997           ; /* This is ok.  */
 998         else
 999           cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
1000
1001         /* Base insn sizes of all selected isas must be equal
1002            or we set the result to 0, meaning "unknown".  */
1003         if (cd->base_insn_bitsize == UNSET)
1004           cd->base_insn_bitsize = isa->base_insn_bitsize;
1005         else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
1006           ; /* This is ok.  */
1007         else
1008           cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
1009
1010         /* Set min,max insn sizes.  */
1011         if (isa->min_insn_bitsize < cd->min_insn_bitsize)
1012           cd->min_insn_bitsize = isa->min_insn_bitsize;
1013         if (isa->max_insn_bitsize > cd->max_insn_bitsize)
1014           cd->max_insn_bitsize = isa->max_insn_bitsize;
1015       }
1016
1017   /* Data derived from the mach spec.  */
1018   for (i = 0; i < MAX_MACHS; ++i)
1019     if (((1 << i) & machs) != 0)
1020       {
1021         const CGEN_MACH *mach = & ip2k_cgen_mach_table[i];
1022
1023         if (mach->insn_chunk_bitsize != 0)
1024         {
1025           if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
1026             {
1027               fprintf (stderr, "ip2k_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
1028                        cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
1029               abort ();
1030             }
1031
1032           cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
1033         }
1034       }
1035
1036   /* Determine which hw elements are used by MACH.  */
1037   build_hw_table (cd);
1038
1039   /* Build the ifield table.  */
1040   build_ifield_table (cd);
1041
1042   /* Determine which operands are used by MACH/ISA.  */
1043   build_operand_table (cd);
1044
1045   /* Build the instruction table.  */
1046   build_insn_table (cd);
1047 }
1048
1049 /* Initialize a cpu table and return a descriptor.
1050    It's much like opening a file, and must be the first function called.
1051    The arguments are a set of (type/value) pairs, terminated with
1052    CGEN_CPU_OPEN_END.
1053
1054    Currently supported values:
1055    CGEN_CPU_OPEN_ISAS:    bitmap of values in enum isa_attr
1056    CGEN_CPU_OPEN_MACHS:   bitmap of values in enum mach_attr
1057    CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
1058    CGEN_CPU_OPEN_ENDIAN:  specify endian choice
1059    CGEN_CPU_OPEN_END:     terminates arguments
1060
1061    ??? Simultaneous multiple isas might not make sense, but it's not (yet)
1062    precluded.
1063
1064    ??? We only support ISO C stdargs here, not K&R.
1065    Laziness, plus experiment to see if anything requires K&R - eventually
1066    K&R will no longer be supported - e.g. GDB is currently trying this.  */
1067
1068 CGEN_CPU_DESC
1069 ip2k_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
1070 {
1071   CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
1072   static int init_p;
1073   unsigned int isas = 0;  /* 0 = "unspecified" */
1074   unsigned int machs = 0; /* 0 = "unspecified" */
1075   enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
1076   va_list ap;
1077
1078   if (! init_p)
1079     {
1080       init_tables ();
1081       init_p = 1;
1082     }
1083
1084   memset (cd, 0, sizeof (*cd));
1085
1086   va_start (ap, arg_type);
1087   while (arg_type != CGEN_CPU_OPEN_END)
1088     {
1089       switch (arg_type)
1090         {
1091         case CGEN_CPU_OPEN_ISAS :
1092           isas = va_arg (ap, unsigned int);
1093           break;
1094         case CGEN_CPU_OPEN_MACHS :
1095           machs = va_arg (ap, unsigned int);
1096           break;
1097         case CGEN_CPU_OPEN_BFDMACH :
1098           {
1099             const char *name = va_arg (ap, const char *);
1100             const CGEN_MACH *mach =
1101               lookup_mach_via_bfd_name (ip2k_cgen_mach_table, name);
1102
1103             machs |= 1 << mach->num;
1104             break;
1105           }
1106         case CGEN_CPU_OPEN_ENDIAN :
1107           endian = va_arg (ap, enum cgen_endian);
1108           break;
1109         default :
1110           fprintf (stderr, "ip2k_cgen_cpu_open: unsupported argument `%d'\n",
1111                    arg_type);
1112           abort (); /* ??? return NULL? */
1113         }
1114       arg_type = va_arg (ap, enum cgen_cpu_open_arg);
1115     }
1116   va_end (ap);
1117
1118   /* Mach unspecified means "all".  */
1119   if (machs == 0)
1120     machs = (1 << MAX_MACHS) - 1;
1121   /* Base mach is always selected.  */
1122   machs |= 1;
1123   /* ISA unspecified means "all".  */
1124   if (isas == 0)
1125     isas = (1 << MAX_ISAS) - 1;
1126   if (endian == CGEN_ENDIAN_UNKNOWN)
1127     {
1128       /* ??? If target has only one, could have a default.  */
1129       fprintf (stderr, "ip2k_cgen_cpu_open: no endianness specified\n");
1130       abort ();
1131     }
1132
1133   cd->isas = isas;
1134   cd->machs = machs;
1135   cd->endian = endian;
1136   /* FIXME: for the sparc case we can determine insn-endianness statically.
1137      The worry here is where both data and insn endian can be independently
1138      chosen, in which case this function will need another argument.
1139      Actually, will want to allow for more arguments in the future anyway.  */
1140   cd->insn_endian = endian;
1141
1142   /* Table (re)builder.  */
1143   cd->rebuild_tables = ip2k_cgen_rebuild_tables;
1144   ip2k_cgen_rebuild_tables (cd);
1145
1146   /* Default to not allowing signed overflow.  */
1147   cd->signed_overflow_ok_p = 0;
1148
1149   return (CGEN_CPU_DESC) cd;
1150 }
1151
1152 /* Cover fn to ip2k_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
1153    MACH_NAME is the bfd name of the mach.  */
1154
1155 CGEN_CPU_DESC
1156 ip2k_cgen_cpu_open_1 (const char *mach_name, enum cgen_endian endian)
1157 {
1158   return ip2k_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
1159                                CGEN_CPU_OPEN_ENDIAN, endian,
1160                                CGEN_CPU_OPEN_END);
1161 }
1162
1163 /* Close a cpu table.
1164    ??? This can live in a machine independent file, but there's currently
1165    no place to put this file (there's no libcgen).  libopcodes is the wrong
1166    place as some simulator ports use this but they don't use libopcodes.  */
1167
1168 void
1169 ip2k_cgen_cpu_close (CGEN_CPU_DESC cd)
1170 {
1171   unsigned int i;
1172   const CGEN_INSN *insns;
1173
1174   if (cd->macro_insn_table.init_entries)
1175     {
1176       insns = cd->macro_insn_table.init_entries;
1177       for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
1178         if (CGEN_INSN_RX ((insns)))
1179           regfree (CGEN_INSN_RX (insns));
1180     }
1181
1182   if (cd->insn_table.init_entries)
1183     {
1184       insns = cd->insn_table.init_entries;
1185       for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
1186         if (CGEN_INSN_RX (insns))
1187           regfree (CGEN_INSN_RX (insns));
1188     }
1189
1190   if (cd->macro_insn_table.init_entries)
1191     free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
1192
1193   if (cd->insn_table.init_entries)
1194     free ((CGEN_INSN *) cd->insn_table.init_entries);
1195
1196   if (cd->hw_table.entries)
1197     free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
1198
1199   if (cd->operand_table.entries)
1200     free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
1201
1202   free (cd);
1203 }
1204