GDB 7.6.50

opcodes/nios2-opc.c

Index: opcodes/nios2-opc.c
diff --git a/opcodes/nios2-opc.c b/opcodes/nios2-opc.c
new file mode 100644
index 0000000000000000000000000000000000000000..c0ec617a56e4758988be978034fe16910b34133c
--- /dev/null
+++ b/opcodes/nios2-opc.c
@@ -0,0 +1,415 @@
+/* Altera Nios II opcode list.
+   Copyright (C) 2012, 2013 Free Software Foundation, Inc.
+   Contributed by Nigel Gray (ngray@altera.com).
+   Contributed by Mentor Graphics, Inc.
+
+   This file is part of the GNU opcodes library.
+
+   This library 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.
+
+   It 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 file; see the file COPYING.  If not, write to the
+   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include <stdio.h>
+#include "opcode/nios2.h"
+
+/* Register string table */
+
+const struct nios2_reg nios2_builtin_regs[] = {
+  /* Standard register names.  */
+  {"zero", 0},
+  {"at", 1},			/* assembler temporary */
+  {"r2", 2},
+  {"r3", 3},
+  {"r4", 4},
+  {"r5", 5},
+  {"r6", 6},
+  {"r7", 7},
+  {"r8", 8},
+  {"r9", 9},
+  {"r10", 10},
+  {"r11", 11},
+  {"r12", 12},
+  {"r13", 13},
+  {"r14", 14},
+  {"r15", 15},
+  {"r16", 16},
+  {"r17", 17},
+  {"r18", 18},
+  {"r19", 19},
+  {"r20", 20},
+  {"r21", 21},
+  {"r22", 22},
+  {"r23", 23},
+  {"et", 24},
+  {"bt", 25},
+  {"gp", 26},			/* global pointer */
+  {"sp", 27},			/* stack pointer */
+  {"fp", 28},			/* frame pointer */
+  {"ea", 29},			/* exception return address */
+  {"sstatus", 30},		/* saved processor status */
+  {"ra", 31},			/* return address */
+
+  /* Alternative names for special registers.  */
+  {"r0", 0},
+  {"r1", 1},
+  {"r24", 24},
+  {"r25", 25},
+  {"r26", 26},
+  {"r27", 27},
+  {"r28", 28},
+  {"r29", 29},
+  {"r30", 30},
+  {"ba", 30},			/* breakpoint return address */
+  {"r31", 31},
+
+  /* Control register names.  */
+  {"status", 0},
+  {"estatus", 1},
+  {"bstatus", 2},
+  {"ienable", 3},
+  {"ipending", 4},
+  {"cpuid", 5},
+  {"ctl6", 6},
+  {"exception", 7},
+  {"pteaddr", 8},
+  {"tlbacc", 9},
+  {"tlbmisc", 10},
+  {"eccinj", 11},
+  {"badaddr", 12},
+  {"config", 13},
+  {"mpubase", 14},
+  {"mpuacc", 15},
+  {"ctl16", 16},
+  {"ctl17", 17},
+  {"ctl18", 18},
+  {"ctl19", 19},
+  {"ctl20", 20},
+  {"ctl21", 21},
+  {"ctl22", 22},
+  {"ctl23", 23},
+  {"ctl24", 24},
+  {"ctl25", 25},
+  {"ctl26", 26},
+  {"ctl27", 27},
+  {"ctl28", 28},
+  {"ctl29", 29},
+  {"ctl30", 30},
+  {"ctl31", 31},
+
+  /* Alternative names for special control registers.  */
+  {"ctl0", 0},
+  {"ctl1", 1},
+  {"ctl2", 2},
+  {"ctl3", 3},
+  {"ctl4", 4},
+  {"ctl5", 5},
+  {"ctl7", 7},
+  {"ctl8", 8},
+  {"ctl9", 9},
+  {"ctl10", 10},
+  {"ctl11", 11},
+  {"ctl12", 12},
+  {"ctl13", 13},
+  {"ctl14", 14},
+  {"ctl15", 15},
+
+  /* Coprocessor register names.  */
+  {"c0", 0},
+  {"c1", 1},
+  {"c2", 2},
+  {"c3", 3},
+  {"c4", 4},
+  {"c5", 5},
+  {"c6", 6},
+  {"c7", 7},
+  {"c8", 8},
+  {"c9", 9},
+  {"c10", 10},
+  {"c11", 11},
+  {"c12", 12},
+  {"c13", 13},
+  {"c14", 14},
+  {"c15", 15},
+  {"c16", 16},
+  {"c17", 17},
+  {"c18", 18},
+  {"c19", 19},
+  {"c20", 20},
+  {"c21", 21},
+  {"c22", 22},
+  {"c23", 23},
+  {"c24", 24},
+  {"c25", 25},
+  {"c26", 26},
+  {"c27", 27},
+  {"c28", 28},
+  {"c29", 29},
+  {"c30", 30},
+  {"c31", 31},
+};
+
+#define NIOS2_NUM_REGS \
+       ((sizeof nios2_builtin_regs) / (sizeof (nios2_builtin_regs[0])))
+const int nios2_num_builtin_regs = NIOS2_NUM_REGS;
+
+/* This is not const in order to allow for dynamic extensions to the
+   built-in instruction set.  */
+struct nios2_reg *nios2_regs = (struct nios2_reg *) nios2_builtin_regs;
+int nios2_num_regs = NIOS2_NUM_REGS;
+#undef NIOS2_NUM_REGS
+
+/* This is the opcode table used by the Nios II GNU as, disassembler
+   and GDB.  */
+const struct nios2_opcode nios2_builtin_opcodes[] =
+{
+  /* { name, args, args_test, num_args,
+       match, mask, pinfo, overflow_msg } */
+  {"add", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_ADD, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"addi", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_ADDI, OP_MASK_IOP, NIOS2_INSN_ADDI, signed_immed16_overflow},
+  {"subi", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_ADDI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
+  {"and", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_AND, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"andhi", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_ANDHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
+  {"andi", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_ANDI, OP_MASK_IOP, NIOS2_INSN_ANDI, unsigned_immed16_overflow},
+  {"beq", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BEQ, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
+  {"bge", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BGE, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
+  {"bgeu", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BGEU, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
+  {"bgt", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BLT, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
+   branch_target_overflow},
+  {"bgtu", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BLTU, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
+   branch_target_overflow},
+  {"ble", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BGE, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
+   branch_target_overflow},
+  {"bleu", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BGEU, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
+   branch_target_overflow},
+  {"blt", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BLT, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
+  {"bltu", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BLTU, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
+  {"bne", "s,t,o", "s,t,o,E", 3,
+   OP_MATCH_BNE, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
+  {"br", "o", "o,E", 1,
+   OP_MATCH_BR, OP_MASK_IOP, NIOS2_INSN_UBRANCH, branch_target_overflow},
+  {"break", "b", "b,E", 1,
+   OP_MATCH_BREAK, OP_MASK_BREAK, 0, no_overflow},
+  {"bret", "", "E", 0,
+   OP_MATCH_BRET, OP_MASK, 0, no_overflow},
+  {"flushd", "i(s)", "i(s)E", 2,
+   OP_MATCH_FLUSHD, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"flushda", "i(s)", "i(s)E", 2,
+   OP_MATCH_FLUSHDA, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"flushi", "s", "s,E", 1,
+   OP_MATCH_FLUSHI, OP_MASK_FLUSHI, 0, no_overflow},
+  {"flushp", "", "E", 0,
+   OP_MATCH_FLUSHP, OP_MASK, 0, no_overflow},
+  {"initd", "i(s)", "i(s)E", 2,
+   OP_MATCH_INITD, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"initda", "i(s)", "i(s)E", 2,
+   OP_MATCH_INITDA, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"initi", "s", "s,E", 1,
+   OP_MATCH_INITI, OP_MASK_INITI, 0, no_overflow},
+  {"call", "m", "m,E", 1,
+   OP_MATCH_CALL, OP_MASK_IOP, NIOS2_INSN_CALL, call_target_overflow},
+  {"callr", "s", "s,E", 1,
+   OP_MATCH_CALLR, OP_MASK_CALLR, 0, no_overflow},
+  {"cmpeq", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPEQ, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"cmpeqi", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_CMPEQI, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"cmpge", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPGE, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"cmpgei", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_CMPGEI, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"cmpgeu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPGEU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"cmpgeui", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_CMPGEUI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
+  {"cmpgt", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPLT, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
+  {"cmpgti", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_CMPGEI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
+  {"cmpgtu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPLTU, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
+  {"cmpgtui", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_CMPGEUI, OP_MASK_IOP, NIOS2_INSN_MACRO, unsigned_immed16_overflow},
+  {"cmple", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPGE, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
+  {"cmplei", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_CMPLTI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
+  {"cmpleu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPGEU, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
+  {"cmpleui", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_CMPLTUI, OP_MASK_IOP, NIOS2_INSN_MACRO, unsigned_immed16_overflow},
+  {"cmplt", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPLT, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"cmplti", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_CMPLTI, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"cmpltu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPLTU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"cmpltui", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_CMPLTUI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
+  {"cmpne", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_CMPNE, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"cmpnei", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_CMPNEI, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"div", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_DIV, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"divu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_DIVU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"jmp", "s", "s,E", 1,
+   OP_MATCH_JMP, OP_MASK_JMP, 0, no_overflow},
+  {"jmpi", "m", "m,E", 1,
+   OP_MATCH_JMPI, OP_MASK_IOP, 0, no_overflow},
+  {"ldb", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDB, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldbio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDBIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldbu", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDBU, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldbuio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDBUIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldh", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDH, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldhio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDHIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldhu", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDHU, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldhuio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDHUIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldl", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDL, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldw", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDW, OP_MASK_IOP, 0, address_offset_overflow},
+  {"ldwio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_LDWIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"mov", "d,s", "d,s,E", 2,
+   OP_MATCH_ADD, OP_MASK_RRT|OP_MASK_ROPX|OP_MASK_ROP, NIOS2_INSN_MACRO_MOV,
+   no_overflow},
+  {"movhi", "t,u", "t,u,E", 2,
+   OP_MATCH_ORHI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
+   unsigned_immed16_overflow},
+  {"movui", "t,u", "t,u,E", 2,
+   OP_MATCH_ORI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
+   unsigned_immed16_overflow},
+  {"movi", "t,i", "t,i,E", 2,
+   OP_MATCH_ADDI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
+   signed_immed16_overflow},
+  /* movia expands to two instructions so there is no mask or match */
+  {"movia", "t,o", "t,o,E", 2,
+   OP_MATCH_ORHI, OP_MASK_IOP, NIOS2_INSN_MACRO_MOVIA, no_overflow},
+  {"mul", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_MUL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"muli", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_MULI, OP_MASK_IOP, 0, signed_immed16_overflow},
+  {"mulxss", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_MULXSS, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"mulxsu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_MULXSU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"mulxuu", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_MULXUU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"nextpc", "d", "d,E", 1,
+   OP_MATCH_NEXTPC, OP_MASK_NEXTPC, 0, no_overflow},
+  {"nop", "", "E", 0,
+   OP_MATCH_ADD, OP_MASK, NIOS2_INSN_MACRO_MOV, no_overflow},
+  {"nor", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_NOR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"or", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_OR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"orhi", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_ORHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
+  {"ori", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_ORI, OP_MASK_IOP, NIOS2_INSN_ORI, unsigned_immed16_overflow},
+  {"rdctl", "d,c", "d,c,E", 2,
+   OP_MATCH_RDCTL, OP_MASK_RDCTL, 0, no_overflow},
+  {"rdprs", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_RDPRS, OP_MASK_IOP, 0, unsigned_immed16_overflow},
+  {"ret", "", "E", 0,
+   OP_MATCH_RET, OP_MASK, 0, no_overflow},
+  {"rol", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_ROL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"roli", "d,s,j", "d,s,j,E", 3,
+   OP_MATCH_ROLI, OP_MASK_ROLI, 0, unsigned_immed5_overflow},
+  {"ror", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_ROR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"sll", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_SLL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"slli", "d,s,j", "d,s,j,E", 3,
+   OP_MATCH_SLLI, OP_MASK_SLLI, 0, unsigned_immed5_overflow},
+  {"sra", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_SRA, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"srai", "d,s,j", "d,s,j,E", 3,
+   OP_MATCH_SRAI, OP_MASK_SRAI, 0, unsigned_immed5_overflow},
+  {"srl", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_SRL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"srli", "d,s,j", "d,s,j,E", 3,
+   OP_MATCH_SRLI, OP_MASK_SRLI, 0, unsigned_immed5_overflow},
+  {"stb", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STB, OP_MASK_IOP, 0, address_offset_overflow},
+  {"stbio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STBIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"stc", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STC, OP_MASK_IOP, 0, address_offset_overflow},
+  {"sth", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STH, OP_MASK_IOP, 0, address_offset_overflow},
+  {"sthio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STHIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"stw", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STW, OP_MASK_IOP, 0, address_offset_overflow},
+  {"stwio", "t,i(s)", "t,i(s)E", 3,
+   OP_MATCH_STWIO, OP_MASK_IOP, 0, address_offset_overflow},
+  {"sub", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_SUB, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"sync", "", "E", 0,
+   OP_MATCH_SYNC, OP_MASK_SYNC, 0, no_overflow},
+  {"trap", "b", "b,E", 1,
+   OP_MATCH_TRAP, OP_MASK_TRAP, 0, no_overflow},
+  {"eret", "", "E", 0,
+   OP_MATCH_ERET, OP_MASK, 0, no_overflow},
+  {"custom", "l,d,s,t", "l,d,s,t,E", 4,
+   OP_MATCH_CUSTOM, OP_MASK_ROP, 0, custom_opcode_overflow},
+  {"wrctl", "c,s", "c,s,E", 2,
+   OP_MATCH_WRCTL, OP_MASK_WRCTL, 0, no_overflow},
+  {"wrprs", "d,s", "d,s,E", 2,
+   OP_MATCH_WRPRS, OP_MASK_RRT|OP_MASK_ROPX|OP_MASK_ROP, 0, no_overflow},
+  {"xor", "d,s,t", "d,s,t,E", 3,
+   OP_MATCH_XOR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
+  {"xorhi", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_XORHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
+  {"xori", "t,s,u", "t,s,u,E", 3,
+   OP_MATCH_XORI, OP_MASK_IOP, NIOS2_INSN_XORI, unsigned_immed16_overflow}
+};
+
+#define NIOS2_NUM_OPCODES \
+       ((sizeof nios2_builtin_opcodes) / (sizeof (nios2_builtin_opcodes[0])))
+const int bfd_nios2_num_builtin_opcodes = NIOS2_NUM_OPCODES;
+
+/* This is not const to allow for dynamic extensions to the
+   built-in instruction set. */
+struct nios2_opcode *nios2_opcodes =
+  (struct nios2_opcode *) nios2_builtin_opcodes;
+int bfd_nios2_num_opcodes = NIOS2_NUM_OPCODES;
+#undef NIOS2_NUM_OPCODES