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-rw-r--r--opcodes/v850-dis.c381
1 files changed, 0 insertions, 381 deletions
diff --git a/opcodes/v850-dis.c b/opcodes/v850-dis.c
deleted file mode 100644
index 610625b6a19..00000000000
--- a/opcodes/v850-dis.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/* Disassemble V850 instructions.
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
-
-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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-
-#include <stdio.h>
-
-#include "ansidecl.h"
-#include "opcode/v850.h"
-#include "dis-asm.h"
-#include "opintl.h"
-
-static const char *const v850_reg_names[] =
-{ "r0", "r1", "r2", "sp", "gp", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
- "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
- "r24", "r25", "r26", "r27", "r28", "r29", "ep", "lp" };
-
-static const char *const v850_sreg_names[] =
-{ "eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7",
- "sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15",
- "ctpc", "ctpsw", "dbpc", "dbpsw", "ctbp", "sr21", "sr22", "sr23",
- "sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31",
- "sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23",
- "sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31" };
-
-static const char *const v850_cc_names[] =
-{ "v", "c/l", "z", "nh", "s/n", "t", "lt", "le",
- "nv", "nc/nl", "nz", "h", "ns/p", "sa", "ge", "gt" };
-
-static int
-disassemble (memaddr, info, insn)
- bfd_vma memaddr;
- struct disassemble_info *info;
- unsigned long insn;
-{
- struct v850_opcode * op = (struct v850_opcode *)v850_opcodes;
- const struct v850_operand * operand;
- int match = 0;
- int short_op = ((insn & 0x0600) != 0x0600);
- int bytes_read;
- int target_processor;
-
- /* Special case: 32 bit MOV */
- if ((insn & 0xffe0) == 0x0620)
- short_op = true;
-
- bytes_read = short_op ? 2 : 4;
-
- /* If this is a two byte insn, then mask off the high bits. */
- if (short_op)
- insn &= 0xffff;
-
- switch (info->mach)
- {
- case 0:
- default:
- target_processor = PROCESSOR_V850;
- break;
-
- case bfd_mach_v850e:
- target_processor = PROCESSOR_V850E;
- break;
-
- case bfd_mach_v850ea:
- target_processor = PROCESSOR_V850EA;
- break;
- }
-
- /* Find the opcode. */
- while (op->name)
- {
- if ((op->mask & insn) == op->opcode
- && (op->processors & target_processor))
- {
- const unsigned char * opindex_ptr;
- unsigned int opnum;
- unsigned int memop;
-
- match = 1;
- (*info->fprintf_func) (info->stream, "%s\t", op->name);
-/*fprintf (stderr, "match: mask: %x insn: %x, opcode: %x, name: %s\n", op->mask, insn, op->opcode, op->name );*/
-
- memop = op->memop;
- /* Now print the operands.
-
- MEMOP is the operand number at which a memory
- address specification starts, or zero if this
- instruction has no memory addresses.
-
- A memory address is always two arguments.
-
- This information allows us to determine when to
- insert commas into the output stream as well as
- when to insert disp[reg] expressions onto the
- output stream. */
-
- for (opindex_ptr = op->operands, opnum = 1;
- *opindex_ptr != 0;
- opindex_ptr++, opnum++)
- {
- long value;
- int flag;
- int status;
- bfd_byte buffer[ 4 ];
-
- operand = &v850_operands[*opindex_ptr];
-
- if (operand->extract)
- value = (operand->extract) (insn, 0);
- else
- {
- if (operand->bits == -1)
- value = (insn & operand->shift);
- else
- value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
-
- if (operand->flags & V850_OPERAND_SIGNED)
- value = ((long)(value << (32 - operand->bits))
- >> (32 - operand->bits));
- }
-
- /* The first operand is always output without any
- special handling.
-
- For the following arguments:
-
- If memop && opnum == memop + 1, then we need '[' since
- we're about to output the register used in a memory
- reference.
-
- If memop && opnum == memop + 2, then we need ']' since
- we just finished the register in a memory reference. We
- also need a ',' before this operand.
-
- Else we just need a comma.
-
- We may need to output a trailing ']' if the last operand
- in an instruction is the register for a memory address.
-
- The exception (and there's always an exception) is the
- "jmp" insn which needs square brackets around it's only
- register argument. */
-
- if (memop && opnum == memop + 1) info->fprintf_func (info->stream, "[");
- else if (memop && opnum == memop + 2) info->fprintf_func (info->stream, "],");
- else if (memop == 1 && opnum == 1
- && (operand->flags & V850_OPERAND_REG))
- info->fprintf_func (info->stream, "[");
- else if (opnum > 1) info->fprintf_func (info->stream, ", ");
-
- /* extract the flags, ignorng ones which do not effect disassembly output. */
- flag = operand->flags;
- flag &= ~ V850_OPERAND_SIGNED;
- flag &= ~ V850_OPERAND_RELAX;
- flag &= - flag;
-
- switch (flag)
- {
- case V850_OPERAND_REG: info->fprintf_func (info->stream, "%s", v850_reg_names[value]); break;
- case V850_OPERAND_SRG: info->fprintf_func (info->stream, "%s", v850_sreg_names[value]); break;
- case V850_OPERAND_CC: info->fprintf_func (info->stream, "%s", v850_cc_names[value]); break;
- case V850_OPERAND_EP: info->fprintf_func (info->stream, "ep"); break;
- default: info->fprintf_func (info->stream, "%d", value); break;
- case V850_OPERAND_DISP:
- {
- bfd_vma addr = value + memaddr;
-
- /* On the v850 the top 8 bits of an address are used by an overlay manager.
- Thus it may happen that when we are looking for a symbol to match
- against an address with some of its top bits set, the search fails to
- turn up an exact match. In this case we try to find an exact match
- against a symbol in the lower address space, and if we find one, we
- use that address. We only do this for JARL instructions however, as
- we do not want to misinterpret branch instructions. */
- if (operand->bits == 22)
- {
- if ( ! info->symbol_at_address_func (addr, info)
- && ((addr & 0xFF000000) != 0)
- && info->symbol_at_address_func (addr & 0x00FFFFFF, info))
- {
- addr &= 0x00FFFFFF;
- }
- }
- info->print_address_func (addr, info);
- break;
- }
-
- case V850E_PUSH_POP:
- {
- static int list12_regs[32] = { 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 };
- static int list18_h_regs[32] = { 19, 18, 17, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 30, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 };
- static int list18_l_regs[32] = { 3, 2, 1, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 14, 15, 13, 12, 7, 6, 5, 4, 11, 10, 9, 8 };
- int * regs;
- int i;
- unsigned long int mask = 0;
- int pc = false;
- int sr = false;
-
-
- switch (operand->shift)
- {
- case 0xffe00001: regs = list12_regs; break;
- case 0xfff8000f: regs = list18_h_regs; break;
- case 0xfff8001f: regs = list18_l_regs; value &= ~0x10; break; /* Do not include magic bit */
- default:
- /* xgettext:c-format */
- fprintf (stderr, _("unknown operand shift: %x\n"), operand->shift );
- abort();
- }
-
- for (i = 0; i < 32; i++)
- {
- if (value & (1 << i))
- {
- switch (regs[ i ])
- {
- default: mask |= (1 << regs[ i ]); break;
- /* xgettext:c-format */
- case 0: fprintf (stderr, _("unknown pop reg: %d\n"), i ); abort();
- case -1: pc = true; break;
- case -2: sr = true; break;
- }
- }
- }
-
- info->fprintf_func (info->stream, "{");
-
- if (mask || pc || sr)
- {
- if (mask)
- {
- unsigned int bit;
- int shown_one = false;
-
- for (bit = 0; bit < 32; bit++)
- if (mask & (1 << bit))
- {
- unsigned long int first = bit;
- unsigned long int last;
-
- if (shown_one)
- info->fprintf_func (info->stream, ", ");
- else
- shown_one = true;
-
- info->fprintf_func (info->stream, v850_reg_names[first]);
-
- for (bit++; bit < 32; bit++)
- if ((mask & (1 << bit)) == 0)
- break;
-
- last = bit;
-
- if (last > first + 1)
- {
- info->fprintf_func (info->stream, " - %s", v850_reg_names[ last - 1 ]);
- }
- }
- }
-
- if (pc)
- info->fprintf_func (info->stream, "%sPC", mask ? ", " : "");
- if (sr)
- info->fprintf_func (info->stream, "%sSR", (mask || pc) ? ", " : "");
- }
-
- info->fprintf_func (info->stream, "}");
- }
- break;
-
- case V850E_IMMEDIATE16:
- status = info->read_memory_func (memaddr + bytes_read, buffer, 2, info);
- if (status == 0)
- {
- bytes_read += 2;
- value = bfd_getl16 (buffer);
-
- /* If this is a DISPOSE instruction with ff set to 0x10, then shift value up by 16. */
- if ((insn & 0x001fffc0) == 0x00130780)
- value <<= 16;
-
- info->fprintf_func (info->stream, "0x%x", value);
- }
- else
- {
- info->memory_error_func (status, memaddr + bytes_read, info);
- }
- break;
-
- case V850E_IMMEDIATE32:
- status = info->read_memory_func (memaddr + bytes_read, buffer, 4, info);
- if (status == 0)
- {
- bytes_read += 4;
- value = bfd_getl32 (buffer);
- info->fprintf_func (info->stream, "0x%lx", value);
- }
- else
- {
- info->memory_error_func (status, memaddr + bytes_read, info);
- }
- break;
- }
-
- /* Handle jmp correctly. */
- if (memop == 1 && opnum == 1
- && ((operand->flags & V850_OPERAND_REG) != 0))
- (*info->fprintf_func) (info->stream, "]");
- }
-
- /* Close any square bracket we left open. */
- if (memop && opnum == memop + 2)
- (*info->fprintf_func) (info->stream, "]");
-
- /* All done. */
- break;
- }
- op++;
- }
-
- if (!match)
- {
- if (short_op)
- info->fprintf_func (info->stream, ".short\t0x%04x", insn);
- else
- info->fprintf_func (info->stream, ".long\t0x%08x", insn);
- }
-
- return bytes_read;
-}
-
-int
-print_insn_v850 (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info * info;
-{
- int status;
- bfd_byte buffer[ 4 ];
- unsigned long insn = 0;
-
- /* First figure out how big the opcode is. */
-
- status = info->read_memory_func (memaddr, buffer, 2, info);
- if (status == 0)
- {
- insn = bfd_getl16 (buffer);
-
- if ( (insn & 0x0600) == 0x0600
- && (insn & 0xffe0) != 0x0620)
- {
- /* If this is a 4 byte insn, read 4 bytes of stuff. */
- status = info->read_memory_func (memaddr, buffer, 4, info);
-
- if (status == 0)
- insn = bfd_getl32 (buffer);
- }
- }
-
- if (status != 0)
- {
- info->memory_error_func (status, memaddr, info);
- return -1;
- }
-
- /* Make sure we tell our caller how many bytes we consumed. */
- return disassemble (memaddr, info, insn);
-}
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