diff options
Diffstat (limited to 'opcodes/pdp11-dis.c')
| -rw-r--r-- | opcodes/pdp11-dis.c | 66 |
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); |