diff options
Diffstat (limited to 'gdb/i387-tdep.c')
| -rw-r--r-- | gdb/i387-tdep.c | 123 |
1 files changed, 77 insertions, 46 deletions
diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c index 869ab9a33b8..253bc26ed50 100644 --- a/gdb/i387-tdep.c +++ b/gdb/i387-tdep.c @@ -1,21 +1,22 @@ /* Intel 387 floating point stuff. Copyright (C) 1988, 1989, 1991, 1998 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -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 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. + 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. */ + 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 "defs.h" #include "frame.h" @@ -36,7 +37,7 @@ i387_to_double (from, to) char *from; char *to; { - floatformat_to_double (&floatformat_i387_ext, from, (double *)to); + floatformat_to_double (&floatformat_i387_ext, from, (double *) to); } void @@ -44,44 +45,67 @@ double_to_i387 (from, to) char *from; char *to; { - floatformat_from_double (&floatformat_i387_ext, (double *)from, to); + floatformat_from_double (&floatformat_i387_ext, (double *) from, to); } void print_387_control_word (control) unsigned int control; { - printf_unfiltered ("control %s: ", local_hex_string(control)); + printf_unfiltered ("control %s: ", local_hex_string (control)); printf_unfiltered ("compute to "); - switch ((control >> 8) & 3) + switch ((control >> 8) & 3) { - case 0: printf_unfiltered ("24 bits; "); break; - case 1: printf_unfiltered ("(bad); "); break; - case 2: printf_unfiltered ("53 bits; "); break; - case 3: printf_unfiltered ("64 bits; "); break; + case 0: + printf_unfiltered ("24 bits; "); + break; + case 1: + printf_unfiltered ("(bad); "); + break; + case 2: + printf_unfiltered ("53 bits; "); + break; + case 3: + printf_unfiltered ("64 bits; "); + break; } printf_unfiltered ("round "); - switch ((control >> 10) & 3) + switch ((control >> 10) & 3) { - case 0: printf_unfiltered ("NEAREST; "); break; - case 1: printf_unfiltered ("DOWN; "); break; - case 2: printf_unfiltered ("UP; "); break; - case 3: printf_unfiltered ("CHOP; "); break; + case 0: + printf_unfiltered ("NEAREST; "); + break; + case 1: + printf_unfiltered ("DOWN; "); + break; + case 2: + printf_unfiltered ("UP; "); + break; + case 3: + printf_unfiltered ("CHOP; "); + break; } - if (control & 0x3f) + if (control & 0x3f) { printf_unfiltered ("mask:"); - if (control & 0x0001) printf_unfiltered (" INVALID"); - if (control & 0x0002) printf_unfiltered (" DENORM"); - if (control & 0x0004) printf_unfiltered (" DIVZ"); - if (control & 0x0008) printf_unfiltered (" OVERF"); - if (control & 0x0010) printf_unfiltered (" UNDERF"); - if (control & 0x0020) printf_unfiltered (" LOS"); + if (control & 0x0001) + printf_unfiltered (" INVALID"); + if (control & 0x0002) + printf_unfiltered (" DENORM"); + if (control & 0x0004) + printf_unfiltered (" DIVZ"); + if (control & 0x0008) + printf_unfiltered (" OVERF"); + if (control & 0x0010) + printf_unfiltered (" UNDERF"); + if (control & 0x0020) + printf_unfiltered (" LOS"); printf_unfiltered (";"); } printf_unfiltered ("\n"); - if (control & 0xe080) warning ("reserved bits on: %s\n", - local_hex_string(control & 0xe080)); + if (control & 0xe080) + warning ("reserved bits on: %s\n", + local_hex_string (control & 0xe080)); } void @@ -89,23 +113,30 @@ print_387_status_word (status) unsigned int status; { printf_unfiltered ("status %s: ", local_hex_string (status)); - if (status & 0xff) + if (status & 0xff) { printf_unfiltered ("exceptions:"); - if (status & 0x0001) printf_unfiltered (" INVALID"); - if (status & 0x0002) printf_unfiltered (" DENORM"); - if (status & 0x0004) printf_unfiltered (" DIVZ"); - if (status & 0x0008) printf_unfiltered (" OVERF"); - if (status & 0x0010) printf_unfiltered (" UNDERF"); - if (status & 0x0020) printf_unfiltered (" LOS"); - if (status & 0x0040) printf_unfiltered (" FPSTACK"); + if (status & 0x0001) + printf_unfiltered (" INVALID"); + if (status & 0x0002) + printf_unfiltered (" DENORM"); + if (status & 0x0004) + printf_unfiltered (" DIVZ"); + if (status & 0x0008) + printf_unfiltered (" OVERF"); + if (status & 0x0010) + printf_unfiltered (" UNDERF"); + if (status & 0x0020) + printf_unfiltered (" LOS"); + if (status & 0x0040) + printf_unfiltered (" FPSTACK"); printf_unfiltered ("; "); } printf_unfiltered ("flags: %d%d%d%d; ", - (status & 0x4000) != 0, - (status & 0x0400) != 0, - (status & 0x0200) != 0, - (status & 0x0100) != 0); + (status & 0x4000) != 0, + (status & 0x0400) != 0, + (status & 0x0200) != 0, + (status & 0x0100) != 0); printf_unfiltered ("top %d\n", (status >> 11) & 7); } |