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-rw-r--r--gdb/i387-tdep.c123
1 files changed, 77 insertions, 46 deletions
diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c
index 869ab9a..253bc26 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);
}