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Diffstat (limited to 'opcodes/pdp11-dis.c')
-rw-r--r--opcodes/pdp11-dis.c66
1 files changed, 64 insertions, 2 deletions
diff --git a/opcodes/pdp11-dis.c b/opcodes/pdp11-dis.c
index 850248e..507db93 100644
--- a/opcodes/pdp11-dis.c
+++ b/opcodes/pdp11-dis.c
@@ -1,5 +1,5 @@
/* Print DEC PDP-11 instructions.
- Copyright 2001 Free Software Foundation, Inc.
+ Copyright 2001, 2002 Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -38,6 +38,8 @@ static void print_reg PARAMS ((int reg, disassemble_info *info));
static void print_freg PARAMS ((int freg, disassemble_info *info));
static int print_operand PARAMS ((bfd_vma *memaddr, int code,
disassemble_info *info));
+static int print_foperand PARAMS ((bfd_vma *memaddr, int code,
+ disassemble_info *info));
int print_insn_pdp11 PARAMS ((bfd_vma memaddr, disassemble_info *info));
static int
@@ -165,8 +167,10 @@ print_operand (memaddr, code, info)
if (reg == 7)
{
bfd_vma address = *memaddr + sign_extend (disp);
+ if (mode == 7)
+ FPRINTF (F, "*");
if (!(code & JUMP))
- FPRINTF (F, "*$");
+ FPRINTF (F, "$");
(*info->print_address_func) (address, info);
}
else
@@ -184,6 +188,23 @@ print_operand (memaddr, code, info)
return 0;
}
+static int
+print_foperand (memaddr, code, info)
+ bfd_vma *memaddr;
+ int code;
+ disassemble_info *info;
+{
+ int mode = (code >> 3) & 7;
+ int reg = code & 7;
+
+ if (mode == 0)
+ print_freg (reg, info);
+ else
+ return print_operand (memaddr, code, info);
+
+ return 0;
+}
+
/* Print the PDP-11 instruction at address MEMADDR in debugged memory,
on INFO->STREAM. Returns length of the instruction, in bytes. */
@@ -230,6 +251,14 @@ print_insn_pdp11 (memaddr, info)
if (print_operand (&memaddr, dst, info) < 0)
return -1;
goto done;
+ case PDP11_OPCODE_FOP:
+ FPRINTF (F, OP.name);
+ FPRINTF (F, AFTER_INSTRUCTION);
+ if (strcmp (OP.name, "jmp") == 0)
+ dst |= JUMP;
+ if (print_foperand (&memaddr, dst, info) < 0)
+ return -1;
+ goto done;
case PDP11_OPCODE_REG_OP:
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
@@ -248,6 +277,28 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OPERAND_SEPARATOR);
print_reg (src, info);
goto done;
+ case PDP11_OPCODE_AC_FOP:
+ {
+ int ac = (opcode & 0xe0) >> 6;
+ FPRINTF (F, OP.name);
+ FPRINTF (F, AFTER_INSTRUCTION);
+ print_freg (ac, info);
+ FPRINTF (F, OPERAND_SEPARATOR);
+ if (print_foperand (&memaddr, dst, info) < 0)
+ return -1;
+ goto done;
+ }
+ case PDP11_OPCODE_FOP_AC:
+ {
+ int ac = (opcode & 0xe0) >> 6;
+ FPRINTF (F, OP.name);
+ FPRINTF (F, AFTER_INSTRUCTION);
+ if (print_foperand (&memaddr, dst, info) < 0)
+ return -1;
+ FPRINTF (F, OPERAND_SEPARATOR);
+ print_freg (ac, info);
+ goto done;
+ }
case PDP11_OPCODE_AC_OP:
{
int ac = (opcode & 0xe0) >> 6;
@@ -259,6 +310,17 @@ print_insn_pdp11 (memaddr, info)
return -1;
goto done;
}
+ case PDP11_OPCODE_OP_AC:
+ {
+ int ac = (opcode & 0xe0) >> 6;
+ FPRINTF (F, OP.name);
+ FPRINTF (F, AFTER_INSTRUCTION);
+ if (print_operand (&memaddr, dst, info) < 0)
+ return -1;
+ FPRINTF (F, OPERAND_SEPARATOR);
+ print_freg (ac, info);
+ goto done;
+ }
case PDP11_OPCODE_OP_OP:
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);