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-rw-r--r--opcodes/vax-dis.c311
1 files changed, 0 insertions, 311 deletions
diff --git a/opcodes/vax-dis.c b/opcodes/vax-dis.c
deleted file mode 100644
index e33f87e5e68..00000000000
--- a/opcodes/vax-dis.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/* Print VAX instructions.
- Copyright 1995, 1998, 2000, 2001 Free Software Foundation, Inc.
- Contributed by Pauline Middelink <middelin@polyware.iaf.nl>
-
-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 "sysdep.h"
-#include "opcode/vax.h"
-#include "dis-asm.h"
-
-/* Local function prototypes */
-static int
-print_insn_arg PARAMS ((const char *, unsigned char *, bfd_vma,
- disassemble_info *));
-
-static int
-print_insn_mode PARAMS ((int, unsigned char *, bfd_vma, disassemble_info *));
-
-static char *reg_names[] =
-{
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc"
-};
-
-/* Sign-extend an (unsigned char). */
-#if __STDC__ == 1
-#define COERCE_SIGNED_CHAR(ch) ((signed char)(ch))
-#else
-#define COERCE_SIGNED_CHAR(ch) ((int)(((ch) ^ 0x80) & 0xFF) - 128)
-#endif
-
-/* Get a 1 byte signed integer. */
-#define NEXTBYTE(p) \
- (p += 1, FETCH_DATA (info, p), \
- COERCE_SIGNED_CHAR(p[-1]))
-
-/* Get a 2 byte signed integer. */
-#define COERCE16(x) ((int) (((x) ^ 0x8000) - 0x8000))
-#define NEXTWORD(p) \
- (p += 2, FETCH_DATA (info, p), \
- COERCE16 ((p[-1] << 8) + p[-2]))
-
-/* Get a 4 byte signed integer. */
-#define COERCE32(x) ((int) (((x) ^ 0x80000000) - 0x80000000))
-#define NEXTLONG(p) \
- (p += 4, FETCH_DATA (info, p), \
- (COERCE32 ((((((p[-1] << 8) + p[-2]) << 8) + p[-3]) << 8) + p[-4])))
-
-/* Maximum length of an instruction. */
-#define MAXLEN 25
-
-#include <setjmp.h>
-
-struct private
-{
- /* Points to first byte not fetched. */
- bfd_byte *max_fetched;
- bfd_byte the_buffer[MAXLEN];
- bfd_vma insn_start;
- jmp_buf bailout;
-};
-
-/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
- to ADDR (exclusive) are valid. Returns 1 for success, longjmps
- on error. */
-#define FETCH_DATA(info, addr) \
- ((addr) <= ((struct private *)(info->private_data))->max_fetched \
- ? 1 : fetch_data ((info), (addr)))
-
-static int
-fetch_data (info, addr)
- struct disassemble_info *info;
- bfd_byte *addr;
-{
- int status;
- struct private *priv = (struct private *) info->private_data;
- bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
-
- status = (*info->read_memory_func) (start,
- priv->max_fetched,
- addr - priv->max_fetched,
- info);
- if (status != 0)
- {
- (*info->memory_error_func) (status, start, info);
- longjmp (priv->bailout, 1);
- }
- else
- priv->max_fetched = addr;
-
- return 1;
-}
-
-/* Print the vax instruction at address MEMADDR in debugged memory,
- on INFO->STREAM. Returns length of the instruction, in bytes. */
-
-int
-print_insn_vax (memaddr, info)
- bfd_vma memaddr;
- disassemble_info *info;
-{
- const struct vot *votp;
- const char *argp = NULL;
- unsigned char *arg;
- struct private priv;
- bfd_byte *buffer = priv.the_buffer;
-
- info->private_data = (PTR) &priv;
- priv.max_fetched = priv.the_buffer;
- priv.insn_start = memaddr;
- if (setjmp (priv.bailout) != 0)
- {
- /* Error return. */
- return -1;
- }
-
- /* Check if the info buffer has more than one byte left since
- the last opcode might be a single byte with no argument data. */
- if (info->buffer_length - (memaddr - info->buffer_vma) > 1)
- {
- FETCH_DATA (info, buffer + 2);
- }
- else
- {
- FETCH_DATA (info, buffer + 1);
- buffer[1] = 0;
- }
-
- for (votp = &votstrs[0]; votp->name[0]; votp++)
- {
- register vax_opcodeT opcode = votp->detail.code;
-
- /* 2 byte codes match 2 buffer pos. */
- if ((bfd_byte) opcode == buffer[0]
- && (opcode >> 8 == 0 || opcode >> 8 == buffer[1]))
- {
- argp = votp->detail.args;
- break;
- }
- }
- if (argp == NULL)
- {
- /* Handle undefined instructions. */
- (*info->fprintf_func) (info->stream, ".word 0x%x",
- (buffer[0] << 8) + buffer[1]);
- return 2;
- }
-
- /* Point at first byte of argument data, and at descriptor for first
- argument. */
- arg = buffer + ((votp->detail.code >> 8) ? 2 : 1);
-
- /* Make sure we have it in mem */
- FETCH_DATA (info, arg);
-
- (*info->fprintf_func) (info->stream, "%s", votp->name);
- if (*argp)
- (*info->fprintf_func) (info->stream, " ");
-
- while (*argp)
- {
- arg += print_insn_arg (argp, arg, memaddr + arg - buffer, info);
- argp += 2;
- if (*argp)
- (*info->fprintf_func) (info->stream, ",");
- }
-
- return arg - buffer;
-}
-
-/* Returns number of bytes "eaten" by the operand, or return -1 if an
- invalid operand was found, or -2 if an opcode tabel error was
- found. */
-
-static int
-print_insn_arg (d, p0, addr, info)
- const char *d;
- unsigned char *p0;
- bfd_vma addr; /* PC for this arg to be relative to */
- disassemble_info *info;
-{
- int arg_len;
-
- /* check validity of addressing length */
- switch (d[1])
- {
- case 'b' : arg_len = 1; break;
- case 'd' : arg_len = 8; break;
- case 'f' : arg_len = 4; break;
- case 'g' : arg_len = 8; break;
- case 'h' : arg_len = 16; break;
- case 'l' : arg_len = 4; break;
- case 'o' : arg_len = 16; break;
- case 'w' : arg_len = 2; break;
- case 'q' : arg_len = 8; break;
- default : abort();
- }
-
- /* branches have no mode byte */
- if (d[0] == 'b')
- {
- unsigned char *p = p0;
-
- if (arg_len == 1)
- (*info->print_address_func) (addr + 1 + NEXTBYTE (p), info);
- else
- (*info->print_address_func) (addr + 2 + NEXTWORD (p), info);
-
- return p - p0;
- }
-
- return print_insn_mode (arg_len, p0, addr, info);
-}
-
-static int
-print_insn_mode (size, p0, addr, info)
- int size;
- unsigned char *p0;
- bfd_vma addr; /* PC for this arg to be relative to */
- disassemble_info *info;
-{
- unsigned char *p = p0;
- unsigned char mode, reg;
-
- /* fetch and interpret mode byte */
- mode = (unsigned char) NEXTBYTE (p);
- reg = mode & 0xF;
- switch (mode & 0xF0)
- {
- case 0x00:
- case 0x10:
- case 0x20:
- case 0x30: /* literal mode $number */
- (*info->fprintf_func) (info->stream, "$0x%x", mode);
- break;
- case 0x40: /* index: base-addr[Rn] */
- p += print_insn_mode (size, p0 + 1, addr + 1, info);
- (*info->fprintf_func) (info->stream, "[%s]", reg_names[reg]);
- break;
- case 0x50: /* register: Rn */
- (*info->fprintf_func) (info->stream, "%s", reg_names[reg]);
- break;
- case 0x60: /* register deferred: (Rn) */
- (*info->fprintf_func) (info->stream, "(%s)", reg_names[reg]);
- break;
- case 0x70: /* autodecrement: -(Rn) */
- (*info->fprintf_func) (info->stream, "-(%s)", reg_names[reg]);
- break;
- case 0x80: /* autoincrement: (Rn)+ */
- if (reg == 0xF)
- { /* immediate? */
- int i;
-
- FETCH_DATA (info, p + size);
- (*info->fprintf_func) (info->stream, "$0x");
- for (i = 0; i < size; i++)
- (*info->fprintf_func) (info->stream, "%02x", p[size - i - 1]);
- p += size;
- }
- else
- (*info->fprintf_func) (info->stream, "(%s)+", reg_names[reg]);
- break;
- case 0x90: /* autoincrement deferred: @(Rn)+ */
- if (reg == 0xF)
- (*info->fprintf_func) (info->stream, "*0x%x", NEXTLONG (p));
- else
- (*info->fprintf_func) (info->stream, "@(%s)+", reg_names[reg]);
- break;
- case 0xB0: /* displacement byte deferred: *displ(Rn) */
- (*info->fprintf_func) (info->stream, "*");
- case 0xA0: /* displacement byte: displ(Rn) */
- if (reg == 0xF)
- (*info->print_address_func) (addr + 2 + NEXTBYTE (p), info);
- else
- (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTBYTE (p),
- reg_names[reg]);
- break;
- case 0xD0: /* displacement word deferred: *displ(Rn) */
- (*info->fprintf_func) (info->stream, "*");
- case 0xC0: /* displacement word: displ(Rn) */
- if (reg == 0xF)
- (*info->print_address_func) (addr + 3 + NEXTWORD (p), info);
- else
- (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTWORD (p),
- reg_names[reg]);
- break;
- case 0xF0: /* displacement long deferred: *displ(Rn) */
- (*info->fprintf_func) (info->stream, "*");
- case 0xE0: /* displacement long: displ(Rn) */
- if (reg == 0xF)
- (*info->print_address_func) (addr + 5 + NEXTLONG (p), info);
- else
- (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTLONG (p),
- reg_names[reg]);
- break;
- }
-
- return p - p0;
-}
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