1999-04-16 01:35:26 +00:00
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/* Intel 387 floating point stuff.
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2003-04-11 14:56:40 +00:00
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2002-05-12 21:16:08 +00:00
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Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1998, 1999, 2000,
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2004-02-28 20:43:51 +00:00
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2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This file is part of GDB.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 01:35:26 +00:00
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#include "defs.h"
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2003-06-15 12:45:23 +00:00
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#include "doublest.h"
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#include "floatformat.h"
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1999-04-16 01:35:26 +00:00
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#include "frame.h"
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2003-06-15 12:45:23 +00:00
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#include "gdbcore.h"
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1999-04-16 01:35:26 +00:00
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#include "inferior.h"
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#include "language.h"
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2001-03-01 01:39:22 +00:00
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#include "regcache.h"
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2003-06-15 12:45:23 +00:00
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#include "value.h"
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2001-07-04 19:19:58 +00:00
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#include "gdb_assert.h"
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2002-08-27 22:37:14 +00:00
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#include "gdb_string.h"
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1999-04-16 01:35:26 +00:00
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2001-09-21 12:15:15 +00:00
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#include "i386-tdep.h"
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2003-06-15 00:27:54 +00:00
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#include "i387-tdep.h"
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1999-04-16 01:35:26 +00:00
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1999-12-08 02:51:13 +00:00
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/* Implement the `info float' layout based on the register definitions
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in `tm-i386.h'. */
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/* Print the floating point number specified by RAW. */
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2003-06-15 12:45:23 +00:00
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1999-12-08 02:51:13 +00:00
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static void
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2002-08-15 17:36:57 +00:00
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print_i387_value (char *raw, struct ui_file *file)
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1999-12-08 02:51:13 +00:00
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{
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DOUBLEST value;
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2001-10-28 14:07:35 +00:00
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/* Using extract_typed_floating here might affect the representation
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of certain numbers such as NaNs, even if GDB is running natively.
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This is fine since our caller already detects such special
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numbers and we print the hexadecimal representation anyway. */
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value = extract_typed_floating (raw, builtin_type_i387_ext);
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1999-12-08 02:51:13 +00:00
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/* We try to print 19 digits. The last digit may or may not contain
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garbage, but we'd better print one too many. We need enough room
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to print the value, 1 position for the sign, 1 for the decimal
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point, 19 for the digits and 6 for the exponent adds up to 27. */
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#ifdef PRINTF_HAS_LONG_DOUBLE
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2002-08-15 17:36:57 +00:00
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fprintf_filtered (file, " %-+27.19Lg", (long double) value);
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1999-12-08 02:51:13 +00:00
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#else
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2002-08-15 17:36:57 +00:00
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fprintf_filtered (file, " %-+27.19g", (double) value);
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1999-12-08 02:51:13 +00:00
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#endif
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}
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/* Print the classification for the register contents RAW. */
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2003-06-15 12:45:23 +00:00
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1999-12-08 02:51:13 +00:00
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static void
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2002-08-15 17:36:57 +00:00
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print_i387_ext (unsigned char *raw, struct ui_file *file)
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1999-12-08 02:51:13 +00:00
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{
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int sign;
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int integer;
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unsigned int exponent;
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unsigned long fraction[2];
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sign = raw[9] & 0x80;
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integer = raw[7] & 0x80;
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exponent = (((raw[9] & 0x7f) << 8) | raw[8]);
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fraction[0] = ((raw[3] << 24) | (raw[2] << 16) | (raw[1] << 8) | raw[0]);
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fraction[1] = (((raw[7] & 0x7f) << 24) | (raw[6] << 16)
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| (raw[5] << 8) | raw[4]);
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if (exponent == 0x7fff && integer)
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{
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if (fraction[0] == 0x00000000 && fraction[1] == 0x00000000)
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/* Infinity. */
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2002-08-15 17:36:57 +00:00
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fprintf_filtered (file, " %cInf", (sign ? '-' : '+'));
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1999-12-08 02:51:13 +00:00
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else if (sign && fraction[0] == 0x00000000 && fraction[1] == 0x40000000)
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/* Real Indefinite (QNaN). */
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2002-08-15 17:36:57 +00:00
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fputs_unfiltered (" Real Indefinite (QNaN)", file);
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1999-12-08 02:51:13 +00:00
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else if (fraction[1] & 0x40000000)
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/* QNaN. */
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" QNaN", file);
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1999-12-08 02:51:13 +00:00
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else
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/* SNaN. */
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" SNaN", file);
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1999-12-08 02:51:13 +00:00
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}
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else if (exponent < 0x7fff && exponent > 0x0000 && integer)
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/* Normal. */
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2002-08-15 17:36:57 +00:00
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print_i387_value (raw, file);
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1999-12-08 02:51:13 +00:00
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else if (exponent == 0x0000)
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{
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/* Denormal or zero. */
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2002-08-15 17:36:57 +00:00
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print_i387_value (raw, file);
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1999-12-08 02:51:13 +00:00
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if (integer)
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/* Pseudo-denormal. */
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" Pseudo-denormal", file);
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1999-12-08 02:51:13 +00:00
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else if (fraction[0] || fraction[1])
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/* Denormal. */
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" Denormal", file);
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1999-12-08 02:51:13 +00:00
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}
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else
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/* Unsupported. */
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" Unsupported", file);
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1999-12-08 02:51:13 +00:00
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}
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/* Print the status word STATUS. */
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2003-06-15 12:45:23 +00:00
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1999-12-08 02:51:13 +00:00
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static void
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2002-08-15 17:36:57 +00:00
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print_i387_status_word (unsigned int status, struct ui_file *file)
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1999-12-08 02:51:13 +00:00
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{
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2002-08-15 17:36:57 +00:00
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fprintf_filtered (file, "Status Word: %s",
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1999-12-08 02:51:13 +00:00
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local_hex_string_custom (status, "04"));
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" ", file);
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fprintf_filtered (file, " %s", (status & 0x0001) ? "IE" : " ");
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fprintf_filtered (file, " %s", (status & 0x0002) ? "DE" : " ");
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fprintf_filtered (file, " %s", (status & 0x0004) ? "ZE" : " ");
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fprintf_filtered (file, " %s", (status & 0x0008) ? "OE" : " ");
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fprintf_filtered (file, " %s", (status & 0x0010) ? "UE" : " ");
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fprintf_filtered (file, " %s", (status & 0x0020) ? "PE" : " ");
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fputs_filtered (" ", file);
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fprintf_filtered (file, " %s", (status & 0x0080) ? "ES" : " ");
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fputs_filtered (" ", file);
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fprintf_filtered (file, " %s", (status & 0x0040) ? "SF" : " ");
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fputs_filtered (" ", file);
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fprintf_filtered (file, " %s", (status & 0x0100) ? "C0" : " ");
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fprintf_filtered (file, " %s", (status & 0x0200) ? "C1" : " ");
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fprintf_filtered (file, " %s", (status & 0x0400) ? "C2" : " ");
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fprintf_filtered (file, " %s", (status & 0x4000) ? "C3" : " ");
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fputs_filtered ("\n", file);
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fprintf_filtered (file,
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" TOP: %d\n", ((status >> 11) & 7));
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1999-12-08 02:51:13 +00:00
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}
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/* Print the control word CONTROL. */
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2003-06-15 12:45:23 +00:00
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1999-12-08 02:51:13 +00:00
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static void
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2002-08-15 17:36:57 +00:00
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print_i387_control_word (unsigned int control, struct ui_file *file)
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1999-12-08 02:51:13 +00:00
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{
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2002-08-15 17:36:57 +00:00
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fprintf_filtered (file, "Control Word: %s",
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1999-12-08 02:51:13 +00:00
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local_hex_string_custom (control, "04"));
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" ", file);
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fprintf_filtered (file, " %s", (control & 0x0001) ? "IM" : " ");
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fprintf_filtered (file, " %s", (control & 0x0002) ? "DM" : " ");
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fprintf_filtered (file, " %s", (control & 0x0004) ? "ZM" : " ");
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fprintf_filtered (file, " %s", (control & 0x0008) ? "OM" : " ");
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fprintf_filtered (file, " %s", (control & 0x0010) ? "UM" : " ");
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fprintf_filtered (file, " %s", (control & 0x0020) ? "PM" : " ");
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1999-12-08 02:51:13 +00:00
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("\n", file);
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1999-12-08 02:51:13 +00:00
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" PC: ", file);
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1999-12-08 02:51:13 +00:00
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switch ((control >> 8) & 3)
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{
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case 0:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Single Precision (24-bits)\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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case 1:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Reserved\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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case 2:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Double Precision (53-bits)\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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case 3:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Extended Precision (64-bits)\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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}
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2002-08-15 17:36:57 +00:00
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fputs_filtered (" RC: ", file);
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1999-12-08 02:51:13 +00:00
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switch ((control >> 10) & 3)
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{
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case 0:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Round to nearest\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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case 1:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Round down\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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case 2:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Round up\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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case 3:
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2002-08-15 17:36:57 +00:00
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fputs_filtered ("Round toward zero\n", file);
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1999-12-08 02:51:13 +00:00
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break;
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}
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}
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2002-08-19 11:52:36 +00:00
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/* Print out the i387 floating point state. Note that we ignore FRAME
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2002-08-15 23:06:54 +00:00
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in the code below. That's OK since floating-point registers are
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never saved on the stack. */
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1999-12-08 02:51:13 +00:00
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void
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2002-08-15 17:36:57 +00:00
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i387_print_float_info (struct gdbarch *gdbarch, struct ui_file *file,
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2002-08-16 00:01:59 +00:00
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struct frame_info *frame, const char *args)
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1999-12-08 02:51:13 +00:00
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{
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* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
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|
struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (frame));
|
2002-11-03 12:32:42 +00:00
|
|
|
|
char buf[4];
|
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ULONGEST fctrl;
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ULONGEST fstat;
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ULONGEST ftag;
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ULONGEST fiseg;
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ULONGEST fioff;
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ULONGEST foseg;
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|
|
ULONGEST fooff;
|
|
|
|
|
ULONGEST fop;
|
1999-12-08 02:51:13 +00:00
|
|
|
|
int fpreg;
|
|
|
|
|
int top;
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
gdb_assert (gdbarch == get_frame_arch (frame));
|
|
|
|
|
|
|
|
|
|
/* Define I387_ST0_REGNUM such that we use the proper definitions
|
|
|
|
|
for FRAME's architecture. */
|
|
|
|
|
#define I387_ST0_REGNUM tdep->st0_regnum
|
|
|
|
|
|
|
|
|
|
fctrl = get_frame_register_unsigned (frame, I387_FCTRL_REGNUM);
|
|
|
|
|
fstat = get_frame_register_unsigned (frame, I387_FSTAT_REGNUM);
|
|
|
|
|
ftag = get_frame_register_unsigned (frame, I387_FTAG_REGNUM);
|
|
|
|
|
fiseg = get_frame_register_unsigned (frame, I387_FISEG_REGNUM);
|
|
|
|
|
fioff = get_frame_register_unsigned (frame, I387_FIOFF_REGNUM);
|
|
|
|
|
foseg = get_frame_register_unsigned (frame, I387_FOSEG_REGNUM);
|
|
|
|
|
fooff = get_frame_register_unsigned (frame, I387_FOOFF_REGNUM);
|
|
|
|
|
fop = get_frame_register_unsigned (frame, I387_FOP_REGNUM);
|
2002-11-03 12:32:42 +00:00
|
|
|
|
|
1999-12-08 02:51:13 +00:00
|
|
|
|
top = ((fstat >> 11) & 7);
|
|
|
|
|
|
|
|
|
|
for (fpreg = 7; fpreg >= 0; fpreg--)
|
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
unsigned char raw[I386_MAX_REGISTER_SIZE];
|
1999-12-08 02:51:13 +00:00
|
|
|
|
int tag = (ftag >> (fpreg * 2)) & 3;
|
|
|
|
|
int i;
|
|
|
|
|
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fprintf_filtered (file, "%sR%d: ", fpreg == top ? "=>" : " ", fpreg);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
|
|
|
|
|
switch (tag)
|
|
|
|
|
{
|
|
|
|
|
case 0:
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fputs_filtered ("Valid ", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
break;
|
|
|
|
|
case 1:
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fputs_filtered ("Zero ", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
break;
|
|
|
|
|
case 2:
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fputs_filtered ("Special ", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
break;
|
|
|
|
|
case 3:
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fputs_filtered ("Empty ", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
get_frame_register (frame, (fpreg + 8 - top) % 8 + I387_ST0_REGNUM, raw);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fputs_filtered ("0x", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
for (i = 9; i >= 0; i--)
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fprintf_filtered (file, "%02x", raw[i]);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
|
|
|
|
|
if (tag != 3)
|
2002-08-15 17:36:57 +00:00
|
|
|
|
print_i387_ext (raw, file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
|
2002-08-15 17:36:57 +00:00
|
|
|
|
fputs_filtered ("\n", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
}
|
|
|
|
|
|
2002-11-03 13:04:47 +00:00
|
|
|
|
fputs_filtered ("\n", file);
|
1999-12-08 02:51:13 +00:00
|
|
|
|
|
2002-08-15 17:36:57 +00:00
|
|
|
|
print_i387_status_word (fstat, file);
|
|
|
|
|
print_i387_control_word (fctrl, file);
|
|
|
|
|
fprintf_filtered (file, "Tag Word: %s\n",
|
|
|
|
|
local_hex_string_custom (ftag, "04"));
|
|
|
|
|
fprintf_filtered (file, "Instruction Pointer: %s:",
|
|
|
|
|
local_hex_string_custom (fiseg, "02"));
|
|
|
|
|
fprintf_filtered (file, "%s\n", local_hex_string_custom (fioff, "08"));
|
|
|
|
|
fprintf_filtered (file, "Operand Pointer: %s:",
|
|
|
|
|
local_hex_string_custom (foseg, "02"));
|
|
|
|
|
fprintf_filtered (file, "%s\n", local_hex_string_custom (fooff, "08"));
|
|
|
|
|
fprintf_filtered (file, "Opcode: %s\n",
|
|
|
|
|
local_hex_string_custom (fop ? (fop | 0xd800) : 0, "04"));
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
|
|
|
|
|
#undef I387_ST0_REGNUM
|
1999-12-08 02:51:13 +00:00
|
|
|
|
}
|
2003-06-15 11:01:46 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Read a value of type TYPE from register REGNUM in frame FRAME, and
|
|
|
|
|
return its contents in TO. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
i387_register_to_value (struct frame_info *frame, int regnum,
|
|
|
|
|
struct type *type, void *to)
|
|
|
|
|
{
|
|
|
|
|
char from[I386_MAX_REGISTER_SIZE];
|
|
|
|
|
|
|
|
|
|
gdb_assert (i386_fp_regnum_p (regnum));
|
|
|
|
|
|
|
|
|
|
/* We only support floating-point values. */
|
|
|
|
|
if (TYPE_CODE (type) != TYPE_CODE_FLT)
|
|
|
|
|
{
|
|
|
|
|
warning ("Cannot convert floating-point register value "
|
|
|
|
|
"to non-floating-point type.");
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Convert to TYPE. This should be a no-op if TYPE is equivalent to
|
|
|
|
|
the extended floating-point format used by the FPU. */
|
2003-08-10 17:01:32 +00:00
|
|
|
|
get_frame_register (frame, regnum, from);
|
2003-06-15 11:01:46 +00:00
|
|
|
|
convert_typed_floating (from, builtin_type_i387_ext, to, type);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Write the contents FROM of a value of type TYPE into register
|
|
|
|
|
REGNUM in frame FRAME. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
i387_value_to_register (struct frame_info *frame, int regnum,
|
|
|
|
|
struct type *type, const void *from)
|
|
|
|
|
{
|
|
|
|
|
char to[I386_MAX_REGISTER_SIZE];
|
|
|
|
|
|
|
|
|
|
gdb_assert (i386_fp_regnum_p (regnum));
|
|
|
|
|
|
|
|
|
|
/* We only support floating-point values. */
|
|
|
|
|
if (TYPE_CODE (type) != TYPE_CODE_FLT)
|
|
|
|
|
{
|
|
|
|
|
warning ("Cannot convert non-floating-point type "
|
|
|
|
|
"to floating-point register value.");
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Convert from TYPE. This should be a no-op if TYPE is equivalent
|
|
|
|
|
to the extended floating-point format used by the FPU. */
|
|
|
|
|
convert_typed_floating (from, type, to, builtin_type_i387_ext);
|
|
|
|
|
put_frame_register (frame, regnum, to);
|
|
|
|
|
}
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
2003-06-15 12:45:23 +00:00
|
|
|
|
/* Handle FSAVE and FXSAVE formats. */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
/* FIXME: kettenis/20030927: The functions below should accept a
|
|
|
|
|
`regcache' argument, but I don't want to change the function
|
|
|
|
|
signature just yet. There's some band-aid in the functions below
|
|
|
|
|
in the form of the `regcache' local variables. This will ease the
|
|
|
|
|
transition later on. */
|
|
|
|
|
|
2002-05-11 17:22:27 +00:00
|
|
|
|
/* At fsave_offset[REGNUM] you'll find the offset to the location in
|
|
|
|
|
the data structure used by the "fsave" instruction where GDB
|
|
|
|
|
register REGNUM is stored. */
|
|
|
|
|
|
|
|
|
|
static int fsave_offset[] =
|
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
28 + 0 * 10, /* %st(0) ... */
|
|
|
|
|
28 + 1 * 10,
|
|
|
|
|
28 + 2 * 10,
|
|
|
|
|
28 + 3 * 10,
|
|
|
|
|
28 + 4 * 10,
|
|
|
|
|
28 + 5 * 10,
|
|
|
|
|
28 + 6 * 10,
|
|
|
|
|
28 + 7 * 10, /* ... %st(7). */
|
|
|
|
|
0, /* `fctrl' (16 bits). */
|
|
|
|
|
4, /* `fstat' (16 bits). */
|
|
|
|
|
8, /* `ftag' (16 bits). */
|
|
|
|
|
16, /* `fiseg' (16 bits). */
|
|
|
|
|
12, /* `fioff'. */
|
|
|
|
|
24, /* `foseg' (16 bits). */
|
|
|
|
|
20, /* `fooff'. */
|
|
|
|
|
18 /* `fop' (bottom 11 bits). */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
};
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
#define FSAVE_ADDR(fsave, regnum) \
|
|
|
|
|
(fsave + fsave_offset[regnum - I387_ST0_REGNUM])
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
|
|
|
|
|
2003-09-28 13:35:44 +00:00
|
|
|
|
/* Fill register REGNUM in REGCACHE with the appropriate value from
|
|
|
|
|
*FSAVE. This function masks off any of the reserved bits in
|
|
|
|
|
*FSAVE. */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
|
|
|
|
void
|
2003-09-28 13:35:44 +00:00
|
|
|
|
i387_supply_fsave (struct regcache *regcache, int regnum, const void *fsave)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
2003-09-28 13:35:44 +00:00
|
|
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
const char *regs = fsave;
|
2002-05-11 17:22:27 +00:00
|
|
|
|
int i;
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM);
|
|
|
|
|
|
|
|
|
|
/* Define I387_ST0_REGNUM such that we use the proper definitions
|
|
|
|
|
for REGCACHE's architecture. */
|
|
|
|
|
#define I387_ST0_REGNUM tdep->st0_regnum
|
|
|
|
|
|
|
|
|
|
for (i = I387_ST0_REGNUM; i < I387_XMM0_REGNUM; i++)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
if (regnum == -1 || regnum == i)
|
|
|
|
|
{
|
|
|
|
|
if (fsave == NULL)
|
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_supply (regcache, i, NULL);
|
|
|
|
|
continue;
|
2003-08-23 08:56:45 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Most of the FPU control registers occupy only 16 bits in the
|
|
|
|
|
fsave area. Give those a special treatment. */
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i >= I387_FCTRL_REGNUM
|
|
|
|
|
&& i != I387_FIOFF_REGNUM && i != I387_FOOFF_REGNUM)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
{
|
|
|
|
|
unsigned char val[4];
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
memcpy (val, FSAVE_ADDR (regs, i), 2);
|
2003-08-23 08:56:45 +00:00
|
|
|
|
val[2] = val[3] = 0;
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i == I387_FOP_REGNUM)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
val[1] &= ((1 << 3) - 1);
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_supply (regcache, i, val);
|
2003-08-23 08:56:45 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_supply (regcache, i, FSAVE_ADDR (regs, i));
|
2003-08-23 08:56:45 +00:00
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
#undef I387_ST0_REGNUM
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
|
2003-08-23 08:56:45 +00:00
|
|
|
|
with the value in GDB's register cache. If REGNUM is -1, do this
|
2002-05-11 17:22:27 +00:00
|
|
|
|
for all registers. This function doesn't touch any of the reserved
|
|
|
|
|
bits in *FSAVE. */
|
|
|
|
|
|
|
|
|
|
void
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
i387_fill_fsave (void *fsave, int regnum)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
struct regcache *regcache = current_regcache;
|
|
|
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
|
|
|
|
|
char *regs = fsave;
|
2002-05-11 17:22:27 +00:00
|
|
|
|
int i;
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM);
|
|
|
|
|
|
|
|
|
|
/* Define I387_ST0_REGNUM such that we use the proper definitions
|
|
|
|
|
for REGCACHE's architecture. */
|
|
|
|
|
#define I387_ST0_REGNUM tdep->st0_regnum
|
|
|
|
|
|
|
|
|
|
for (i = I387_ST0_REGNUM; i < I387_XMM0_REGNUM; i++)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
if (regnum == -1 || regnum == i)
|
|
|
|
|
{
|
|
|
|
|
/* Most of the FPU control registers occupy only 16 bits in
|
|
|
|
|
the fsave area. Give those a special treatment. */
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i >= I387_FCTRL_REGNUM
|
|
|
|
|
&& i != I387_FIOFF_REGNUM && i != I387_FOOFF_REGNUM)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
|
|
|
|
unsigned char buf[4];
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_collect (regcache, i, buf);
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i == I387_FOP_REGNUM)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
|
|
|
|
/* The opcode occupies only 11 bits. Make sure we
|
|
|
|
|
don't touch the other bits. */
|
|
|
|
|
buf[1] &= ((1 << 3) - 1);
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
buf[1] |= ((FSAVE_ADDR (regs, i))[1] & ~((1 << 3) - 1));
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
memcpy (FSAVE_ADDR (regs, i), buf, 2);
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_collect (regcache, i, FSAVE_ADDR (regs, i));
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
#undef I387_ST0_REGNUM
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* At fxsave_offset[REGNUM] you'll find the offset to the location in
|
|
|
|
|
the data structure used by the "fxsave" instruction where GDB
|
|
|
|
|
register REGNUM is stored. */
|
|
|
|
|
|
|
|
|
|
static int fxsave_offset[] =
|
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
32, /* %st(0) through ... */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
48,
|
|
|
|
|
64,
|
|
|
|
|
80,
|
|
|
|
|
96,
|
|
|
|
|
112,
|
|
|
|
|
128,
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
144, /* ... %st(7) (80 bits each). */
|
|
|
|
|
0, /* `fctrl' (16 bits). */
|
|
|
|
|
2, /* `fstat' (16 bits). */
|
|
|
|
|
4, /* `ftag' (16 bits). */
|
|
|
|
|
12, /* `fiseg' (16 bits). */
|
|
|
|
|
8, /* `fioff'. */
|
|
|
|
|
20, /* `foseg' (16 bits). */
|
|
|
|
|
16, /* `fooff'. */
|
|
|
|
|
6, /* `fop' (bottom 11 bits). */
|
|
|
|
|
160 + 0 * 16, /* %xmm0 through ... */
|
2003-05-04 10:27:47 +00:00
|
|
|
|
160 + 1 * 16,
|
|
|
|
|
160 + 2 * 16,
|
|
|
|
|
160 + 3 * 16,
|
|
|
|
|
160 + 4 * 16,
|
|
|
|
|
160 + 5 * 16,
|
|
|
|
|
160 + 6 * 16,
|
|
|
|
|
160 + 7 * 16,
|
|
|
|
|
160 + 8 * 16,
|
|
|
|
|
160 + 9 * 16,
|
|
|
|
|
160 + 10 * 16,
|
|
|
|
|
160 + 11 * 16,
|
|
|
|
|
160 + 12 * 16,
|
|
|
|
|
160 + 13 * 16,
|
|
|
|
|
160 + 14 * 16,
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
160 + 15 * 16, /* ... %xmm15 (128 bits each). */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define FXSAVE_ADDR(fxsave, regnum) \
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
(fxsave + fxsave_offset[regnum - I387_ST0_REGNUM])
|
|
|
|
|
|
|
|
|
|
/* We made an unfortunate choice in putting %mxcsr after the SSE
|
|
|
|
|
registers %xmm0-%xmm7 instead of before, since it makes supporting
|
|
|
|
|
the registers %xmm8-%xmm15 on AMD64 a bit involved. Therefore we
|
|
|
|
|
don't include the offset for %mxcsr here above. */
|
|
|
|
|
|
|
|
|
|
#define FXSAVE_MXCSR_ADDR(fxsave) (fxsave + 24)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
2003-08-23 08:56:45 +00:00
|
|
|
|
static int i387_tag (const unsigned char *raw);
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
|
|
|
|
|
2003-09-28 13:35:44 +00:00
|
|
|
|
/* Fill register REGNUM in REGCACHE with the appropriate
|
2003-08-23 08:56:45 +00:00
|
|
|
|
floating-point or SSE register value from *FXSAVE. This function
|
|
|
|
|
masks off any of the reserved bits in *FXSAVE. */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
|
|
|
|
void
|
2003-09-28 13:35:44 +00:00
|
|
|
|
i387_supply_fxsave (struct regcache *regcache, int regnum, const void *fxsave)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
2003-09-28 13:35:44 +00:00
|
|
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
const char *regs = fxsave;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM);
|
|
|
|
|
gdb_assert (tdep->num_xmm_regs > 0);
|
2002-05-12 21:16:08 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
/* Define I387_ST0_REGNUM and I387_NUM_XMM_REGS such that we use the
|
|
|
|
|
proper definitions for REGCACHE's architecture. */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
#define I387_ST0_REGNUM tdep->st0_regnum
|
|
|
|
|
#define I387_NUM_XMM_REGS tdep->num_xmm_regs
|
|
|
|
|
|
|
|
|
|
for (i = I387_ST0_REGNUM; i < I387_MXCSR_REGNUM; i++)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
if (regnum == -1 || regnum == i)
|
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (regs == NULL)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_supply (regcache, i, NULL);
|
2003-08-23 08:56:45 +00:00
|
|
|
|
continue;
|
|
|
|
|
}
|
2002-11-09 19:34:35 +00:00
|
|
|
|
|
2003-08-23 08:56:45 +00:00
|
|
|
|
/* Most of the FPU control registers occupy only 16 bits in
|
|
|
|
|
the fxsave area. Give those a special treatment. */
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i >= I387_FCTRL_REGNUM && i < I387_XMM0_REGNUM
|
|
|
|
|
&& i != I387_FIOFF_REGNUM && i != I387_FOOFF_REGNUM)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
{
|
|
|
|
|
unsigned char val[4];
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
memcpy (val, FXSAVE_ADDR (regs, i), 2);
|
2003-08-23 08:56:45 +00:00
|
|
|
|
val[2] = val[3] = 0;
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i == I387_FOP_REGNUM)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
val[1] &= ((1 << 3) - 1);
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
else if (i== I387_FTAG_REGNUM)
|
2003-08-23 08:56:45 +00:00
|
|
|
|
{
|
|
|
|
|
/* The fxsave area contains a simplified version of
|
|
|
|
|
the tag word. We have to look at the actual 80-bit
|
|
|
|
|
FP data to recreate the traditional i387 tag word. */
|
|
|
|
|
|
|
|
|
|
unsigned long ftag = 0;
|
|
|
|
|
int fpreg;
|
|
|
|
|
int top;
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
top = ((FXSAVE_ADDR (regs, I387_FSTAT_REGNUM))[1] >> 3);
|
|
|
|
|
top &= 0x7;
|
2003-08-23 08:56:45 +00:00
|
|
|
|
|
|
|
|
|
for (fpreg = 7; fpreg >= 0; fpreg--)
|
|
|
|
|
{
|
|
|
|
|
int tag;
|
|
|
|
|
|
|
|
|
|
if (val[0] & (1 << fpreg))
|
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
int regnum = (fpreg + 8 - top) % 8 + I387_ST0_REGNUM;
|
|
|
|
|
tag = i387_tag (FXSAVE_ADDR (regs, regnum));
|
2003-08-23 08:56:45 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
tag = 3; /* Empty */
|
|
|
|
|
|
|
|
|
|
ftag |= tag << (2 * fpreg);
|
|
|
|
|
}
|
|
|
|
|
val[0] = ftag & 0xff;
|
|
|
|
|
val[1] = (ftag >> 8) & 0xff;
|
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_supply (regcache, i, val);
|
2003-08-23 08:56:45 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_supply (regcache, i, FXSAVE_ADDR (regs, i));
|
2003-08-23 08:56:45 +00:00
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
|
|
|
|
|
if (regnum == I387_MXCSR_REGNUM || regnum == -1)
|
|
|
|
|
{
|
|
|
|
|
if (regs == NULL)
|
|
|
|
|
regcache_raw_supply (regcache, I387_MXCSR_REGNUM, NULL);
|
|
|
|
|
else
|
|
|
|
|
regcache_raw_supply (regcache, I387_MXCSR_REGNUM,
|
|
|
|
|
FXSAVE_MXCSR_ADDR (regs));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#undef I387_ST0_REGNUM
|
|
|
|
|
#undef I387_NUM_XMM_REGS
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Fill register REGNUM (if it is a floating-point or SSE register) in
|
2004-02-28 20:43:51 +00:00
|
|
|
|
*FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for
|
|
|
|
|
all registers. This function doesn't touch any of the reserved
|
|
|
|
|
bits in *FXSAVE. */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
|
|
|
|
void
|
2004-02-28 20:43:51 +00:00
|
|
|
|
i387_collect_fxsave (const struct regcache *regcache, int regnum, void *fxsave)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
|
|
|
|
|
char *regs = fxsave;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM);
|
|
|
|
|
gdb_assert (tdep->num_xmm_regs > 0);
|
2002-05-12 21:16:08 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
/* Define I387_ST0_REGNUM and I387_NUM_XMM_REGS such that we use the
|
|
|
|
|
proper definitions for REGCACHE's architecture. */
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
#define I387_ST0_REGNUM tdep->st0_regnum
|
|
|
|
|
#define I387_NUM_XMM_REGS tdep->num_xmm_regs
|
|
|
|
|
|
|
|
|
|
for (i = I387_ST0_REGNUM; i < I387_MXCSR_REGNUM; i++)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
if (regnum == -1 || regnum == i)
|
|
|
|
|
{
|
|
|
|
|
/* Most of the FPU control registers occupy only 16 bits in
|
|
|
|
|
the fxsave area. Give those a special treatment. */
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i >= I387_FCTRL_REGNUM && i < I387_XMM0_REGNUM
|
|
|
|
|
&& i != I387_FIOFF_REGNUM && i != I387_FOOFF_REGNUM)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
|
|
|
|
unsigned char buf[4];
|
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_collect (regcache, i, buf);
|
2002-05-11 17:22:27 +00:00
|
|
|
|
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
if (i == I387_FOP_REGNUM)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
|
|
|
|
/* The opcode occupies only 11 bits. Make sure we
|
|
|
|
|
don't touch the other bits. */
|
|
|
|
|
buf[1] &= ((1 << 3) - 1);
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
buf[1] |= ((FXSAVE_ADDR (regs, i))[1] & ~((1 << 3) - 1));
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
else if (i == I387_FTAG_REGNUM)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
|
|
|
|
/* Converting back is much easier. */
|
|
|
|
|
|
|
|
|
|
unsigned short ftag;
|
|
|
|
|
int fpreg;
|
|
|
|
|
|
|
|
|
|
ftag = (buf[1] << 8) | buf[0];
|
|
|
|
|
buf[0] = 0;
|
|
|
|
|
buf[1] = 0;
|
|
|
|
|
|
|
|
|
|
for (fpreg = 7; fpreg >= 0; fpreg--)
|
|
|
|
|
{
|
|
|
|
|
int tag = (ftag >> (fpreg * 2)) & 3;
|
|
|
|
|
|
|
|
|
|
if (tag != 3)
|
|
|
|
|
buf[0] |= (1 << fpreg);
|
|
|
|
|
}
|
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
memcpy (FXSAVE_ADDR (regs, i), buf, 2);
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
regcache_raw_collect (regcache, i, FXSAVE_ADDR (regs, i));
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
* i386-tdep.h: Put opaque declarations in alphabetical
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
2003-09-27 21:57:56 +00:00
|
|
|
|
|
|
|
|
|
if (regnum == I387_MXCSR_REGNUM || regnum == -1)
|
|
|
|
|
regcache_raw_collect (regcache, I387_MXCSR_REGNUM,
|
|
|
|
|
FXSAVE_MXCSR_ADDR (regs));
|
|
|
|
|
|
|
|
|
|
#undef I387_ST0_REGNUM
|
|
|
|
|
#undef I387_NUM_XMM_REGS
|
2002-05-11 17:22:27 +00:00
|
|
|
|
}
|
|
|
|
|
|
2004-02-28 20:43:51 +00:00
|
|
|
|
/* Fill register REGNUM (if it is a floating-point or SSE register) in
|
|
|
|
|
*FXSAVE with the value in GDB's register cache. If REGNUM is -1, do
|
|
|
|
|
this for all registers. This function doesn't touch any of the
|
|
|
|
|
reserved bits in *FXSAVE. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
i387_fill_fxsave (void *fxsave, int regnum)
|
|
|
|
|
{
|
|
|
|
|
i387_collect_fxsave (current_regcache, regnum, fxsave);
|
|
|
|
|
}
|
|
|
|
|
|
2002-05-11 17:22:27 +00:00
|
|
|
|
/* Recreate the FTW (tag word) valid bits from the 80-bit FP data in
|
|
|
|
|
*RAW. */
|
|
|
|
|
|
|
|
|
|
static int
|
2003-08-23 08:56:45 +00:00
|
|
|
|
i387_tag (const unsigned char *raw)
|
2002-05-11 17:22:27 +00:00
|
|
|
|
{
|
|
|
|
|
int integer;
|
|
|
|
|
unsigned int exponent;
|
|
|
|
|
unsigned long fraction[2];
|
|
|
|
|
|
|
|
|
|
integer = raw[7] & 0x80;
|
|
|
|
|
exponent = (((raw[9] & 0x7f) << 8) | raw[8]);
|
|
|
|
|
fraction[0] = ((raw[3] << 24) | (raw[2] << 16) | (raw[1] << 8) | raw[0]);
|
|
|
|
|
fraction[1] = (((raw[7] & 0x7f) << 24) | (raw[6] << 16)
|
|
|
|
|
| (raw[5] << 8) | raw[4]);
|
|
|
|
|
|
|
|
|
|
if (exponent == 0x7fff)
|
|
|
|
|
{
|
|
|
|
|
/* Special. */
|
|
|
|
|
return (2);
|
|
|
|
|
}
|
|
|
|
|
else if (exponent == 0x0000)
|
|
|
|
|
{
|
|
|
|
|
if (fraction[0] == 0x0000 && fraction[1] == 0x0000 && !integer)
|
|
|
|
|
{
|
|
|
|
|
/* Zero. */
|
|
|
|
|
return (1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Special. */
|
|
|
|
|
return (2);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (integer)
|
|
|
|
|
{
|
|
|
|
|
/* Valid. */
|
|
|
|
|
return (0);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Special. */
|
|
|
|
|
return (2);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2003-11-27 20:35:38 +00:00
|
|
|
|
|
|
|
|
|
/* Prepare the FPU stack in REGCACHE for a function return. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
i387_return_value (struct gdbarch *gdbarch, struct regcache *regcache)
|
|
|
|
|
{
|
|
|
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
|
ULONGEST fstat;
|
|
|
|
|
|
|
|
|
|
/* Define I387_ST0_REGNUM such that we use the proper
|
|
|
|
|
definitions for the architecture. */
|
|
|
|
|
#define I387_ST0_REGNUM tdep->st0_regnum
|
|
|
|
|
|
|
|
|
|
/* Set the top of the floating-point register stack to 7. The
|
|
|
|
|
actual value doesn't really matter, but 7 is what a normal
|
|
|
|
|
function return would end up with if the program started out with
|
|
|
|
|
a freshly initialized FPU. */
|
|
|
|
|
regcache_raw_read_unsigned (regcache, I387_FSTAT_REGNUM, &fstat);
|
|
|
|
|
fstat |= (7 << 11);
|
|
|
|
|
regcache_raw_write_unsigned (regcache, I387_FSTAT_REGNUM, fstat);
|
|
|
|
|
|
|
|
|
|
/* Mark %st(1) through %st(7) as empty. Since we set the top of the
|
|
|
|
|
floating-point register stack to 7, the appropriate value for the
|
|
|
|
|
tag word is 0x3fff. */
|
|
|
|
|
regcache_raw_write_unsigned (regcache, I387_FTAG_REGNUM, 0x3fff);
|
|
|
|
|
|
|
|
|
|
#undef I387_ST0_REGNUM
|
|
|
|
|
}
|