diff options
Diffstat (limited to 'opcodes/i370-dis.c')
| -rw-r--r-- | opcodes/i370-dis.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/opcodes/i370-dis.c b/opcodes/i370-dis.c index 3a2351f..97ed5a2 100644 --- a/opcodes/i370-dis.c +++ b/opcodes/i370-dis.c @@ -1,23 +1,24 @@ /* i370-dis.c -- Disassemble Instruction 370 (ESA/390) instructions - Copyright 1994, 2000, 2003 Free Software Foundation, Inc. + Copyright 1994, 2000, 2003, 2005 Free Software Foundation, Inc. PowerPC version written by Ian Lance Taylor, Cygnus Support Rewritten for i370 ESA/390 support by Linas Vepstas <linas@linas.org> -This file is part of GDB, GAS, and the GNU binutils. + 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 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. + 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, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + 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, 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #include <stdio.h> #include "sysdep.h" @@ -25,8 +26,7 @@ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, US #include "opcode/i370.h" /* This file provides several disassembler functions, all of which use - the disassembler interface defined in dis-asm.h. -*/ + the disassembler interface defined in dis-asm.h. */ int print_insn_i370 (bfd_vma memaddr, struct disassemble_info *info) @@ -44,7 +44,7 @@ print_insn_i370 (bfd_vma memaddr, struct disassemble_info *info) return -1; } - /* Cast the bytes into the insn (in a host-endian indep way) */ + /* Cast the bytes into the insn (in a host-endian indep way). */ insn.i[0] = (buffer[0] << 24) & 0xff000000; insn.i[0] |= (buffer[1] << 16) & 0xff0000; insn.i[0] |= (buffer[2] << 8) & 0xff00; @@ -70,15 +70,17 @@ print_insn_i370 (bfd_vma memaddr, struct disassemble_info *info) masked.i[0] &= 0xffff; } masked.i[0] &= opcode->mask.i[0]; - if (masked.i[0] != opcode->opcode.i[0]) continue; + if (masked.i[0] != opcode->opcode.i[0]) + continue; if (6 == opcode->len) { masked.i[1] &= opcode->mask.i[1]; - if (masked.i[1] != opcode->opcode.i[1]) continue; + if (masked.i[1] != opcode->opcode.i[1]) + continue; } - /* Found a match. adjust a tad */ + /* Found a match. adjust a tad. */ if (2 == opcode->len) { insn.i[0] >>= 16; @@ -95,7 +97,8 @@ print_insn_i370 (bfd_vma memaddr, struct disassemble_info *info) if (operand->extract) (*operand->extract) (insn, &invalid); } - if (invalid) continue; + if (invalid) + continue; /* The instruction is valid. */ (*info->fprintf_func) (info->stream, "%s", opcode->name); @@ -113,9 +116,7 @@ print_insn_i370 (bfd_vma memaddr, struct disassemble_info *info) if (operand->extract) value = (*operand->extract) (insn, (int *) NULL); else - { - value = (insn.i[0] >> operand->shift) & ((1 << operand->bits) - 1); - } + value = (insn.i[0] >> operand->shift) & ((1 << operand->bits) - 1); /* Print the operand as directed by the flags. */ if ((operand->flags & I370_OPERAND_OPTIONAL) != 0) @@ -148,14 +149,11 @@ print_insn_i370 (bfd_vma memaddr, struct disassemble_info *info) (*info->fprintf_func) (info->stream, "%ld", value); else (*info->fprintf_func) (info->stream, " %ld, ", value); - } return opcode->len; - } - /* We could not find a match. */ (*info->fprintf_func) (info->stream, ".short 0x%02x%02x", buffer[0], buffer[1]); |