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-rw-r--r--opcodes/alpha-dis.c212
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diff --git a/opcodes/alpha-dis.c b/opcodes/alpha-dis.c
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--- a/opcodes/alpha-dis.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/* alpha-dis.c -- Disassemble Alpha AXP instructions
- Copyright 1996, 1999 Free Software Foundation, Inc.
- Contributed by Richard Henderson <rth@tamu.edu>,
- patterned after the PPC opcode handling written by Ian Lance Taylor.
-
-This file is part of GDB, GAS, and the GNU binutils.
-
-GDB, GAS, and the GNU binutils are free software; you can redistribute
-them and/or modify them under the terms of the GNU General Public
-License as published by the Free Software Foundation; either version
-2, or (at your option) any later version.
-
-GDB, GAS, and the GNU binutils are distributed in the hope that they
-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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
-
-#include <stdio.h>
-#include "ansidecl.h"
-#include "sysdep.h"
-#include "dis-asm.h"
-#include "opcode/alpha.h"
-
-/* OSF register names. */
-
-static const char * const osf_regnames[64] =
-{
- "v0", "t0", "t1", "t2", "t3", "t4", "t5", "t6",
- "t7", "s0", "s1", "s2", "s3", "s4", "s5", "fp",
- "a0", "a1", "a2", "a3", "a4", "a5", "t8", "t9",
- "t10", "t11", "ra", "t12", "at", "gp", "sp", "zero",
- "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7",
- "$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15",
- "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23",
- "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31"
-};
-
-/* VMS register names. */
-
-static const char * const vms_regnames[64] =
-{
- "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
- "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
- "R16", "R17", "R18", "R19", "R20", "R21", "R22", "R23",
- "R24", "AI", "RA", "PV", "AT", "FP", "SP", "RZ",
- "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7",
- "F8", "F9", "F10", "F11", "F12", "F13", "F14", "F15",
- "F16", "F17", "F18", "F19", "F20", "F21", "F22", "F23",
- "F24", "F25", "F26", "F27", "F28", "F29", "F30", "FZ"
-};
-
-/* Disassemble Alpha instructions. */
-
-int
-print_insn_alpha (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
-{
- static const struct alpha_opcode *opcode_index[AXP_NOPS+1];
- const char * const * regnames;
- const struct alpha_opcode *opcode, *opcode_end;
- const unsigned char *opindex;
- unsigned insn, op, isa_mask;
- int need_comma;
-
- /* Initialize the majorop table the first time through */
- if (!opcode_index[0])
- {
- opcode = alpha_opcodes;
- opcode_end = opcode + alpha_num_opcodes;
-
- for (op = 0; op < AXP_NOPS; ++op)
- {
- opcode_index[op] = opcode;
- while (opcode < opcode_end && op == AXP_OP (opcode->opcode))
- ++opcode;
- }
- opcode_index[op] = opcode;
- }
-
- if (info->flavour == bfd_target_evax_flavour)
- regnames = vms_regnames;
- else
- regnames = osf_regnames;
-
- isa_mask = AXP_OPCODE_NOPAL;
- switch (info->mach)
- {
- case bfd_mach_alpha_ev4:
- isa_mask |= AXP_OPCODE_EV4;
- break;
- case bfd_mach_alpha_ev5:
- isa_mask |= AXP_OPCODE_EV5;
- break;
- case bfd_mach_alpha_ev6:
- isa_mask |= AXP_OPCODE_EV6;
- break;
- }
-
- /* Read the insn into a host word */
- {
- bfd_byte buffer[4];
- int status = (*info->read_memory_func) (memaddr, buffer, 4, info);
- if (status != 0)
- {
- (*info->memory_error_func) (status, memaddr, info);
- return -1;
- }
- insn = bfd_getl32 (buffer);
- }
-
- /* Get the major opcode of the instruction. */
- op = AXP_OP (insn);
-
- /* Find the first match in the opcode table. */
- opcode_end = opcode_index[op+1];
- for (opcode = opcode_index[op]; opcode < opcode_end; ++opcode)
- {
- if ((insn & opcode->mask) != opcode->opcode)
- continue;
-
- if (!(opcode->flags & isa_mask))
- continue;
-
- /* Make two passes over the operands. First see if any of them
- have extraction functions, and, if they do, make sure the
- instruction is valid. */
- {
- int invalid = 0;
- for (opindex = opcode->operands; *opindex != 0; opindex++)
- {
- const struct alpha_operand *operand = alpha_operands + *opindex;
- if (operand->extract)
- (*operand->extract) (insn, &invalid);
- }
- if (invalid)
- continue;
- }
-
- /* The instruction is valid. */
- goto found;
- }
-
- /* No instruction found */
- (*info->fprintf_func) (info->stream, ".long %#08x", insn);
-
- return 4;
-
-found:
- (*info->fprintf_func) (info->stream, "%s", opcode->name);
- if (opcode->operands[0] != 0)
- (*info->fprintf_func) (info->stream, "\t");
-
- /* Now extract and print the operands. */
- need_comma = 0;
- for (opindex = opcode->operands; *opindex != 0; opindex++)
- {
- const struct alpha_operand *operand = alpha_operands + *opindex;
- int value;
-
- /* Operands that are marked FAKE are simply ignored. We
- already made sure that the extract function considered
- the instruction to be valid. */
- if ((operand->flags & AXP_OPERAND_FAKE) != 0)
- continue;
-
- /* Extract the value from the instruction. */
- if (operand->extract)
- value = (*operand->extract) (insn, (int *) NULL);
- else
- {
- value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
- if (operand->flags & AXP_OPERAND_SIGNED)
- {
- int signbit = 1 << (operand->bits - 1);
- value = (value ^ signbit) - signbit;
- }
- }
-
- if (need_comma &&
- ((operand->flags & (AXP_OPERAND_PARENS|AXP_OPERAND_COMMA))
- != AXP_OPERAND_PARENS))
- {
- (*info->fprintf_func) (info->stream, ",");
- }
- if (operand->flags & AXP_OPERAND_PARENS)
- (*info->fprintf_func) (info->stream, "(");
-
- /* Print the operand as directed by the flags. */
- if (operand->flags & AXP_OPERAND_IR)
- (*info->fprintf_func) (info->stream, "%s", regnames[value]);
- else if (operand->flags & AXP_OPERAND_FPR)
- (*info->fprintf_func) (info->stream, "%s", regnames[value+32]);
- else if (operand->flags & AXP_OPERAND_RELATIVE)
- (*info->print_address_func) (memaddr + 4 + value, info);
- else if (operand->flags & AXP_OPERAND_SIGNED)
- (*info->fprintf_func) (info->stream, "%d", value);
- else
- (*info->fprintf_func) (info->stream, "%#x", value);
-
- if (operand->flags & AXP_OPERAND_PARENS)
- (*info->fprintf_func) (info->stream, ")");
- need_comma = 1;
- }
-
- return 4;
-}
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