* Makefile.in (ALLDEPFILES): Remove i387-nat.c.
(i387-nat.o): Delete dependency list. (go32-nat.o): Change i387-nat.h to i387-tdep.h. (x86-64-linux-nat.o): Likewise. * i387-nat.c: Delete file, moving contents to... * i387-tdep.c: ...here. * i387-nat.h: Rename... * i387-tdep.h: ...to this. * go32-nat.c: Include i387-tdep.h instead of i387-nat.h. * i386-linux-nat.c: Likewise. * i386bsd-nat.c: Likewise. * i386gnu-nat.c: Likewise. * i386nbsd-nat.c: Likewise. * i386v4-nat.c: Likewise. * x86-64-linux-nat.c: Likewise. * config/i386/fbsd.mh (NATDEPFILES): Remove i387-nat.o. * config/i386/go32.mh (NATDEPFILES): Likewise. * config/i386/i386gnu.mh (NATDEPFILES): Likewise. * config/i386/i386sol2.mh (NATDEPFILES): Likewise. * config/i386/i386v42mp.mh (NATDEPFILES): Likewise. * config/i386/linux.mh (NATDEPFILES): Likewise. * config/i386/nbsd.mh (NATDEPFILES): Likewise. * config/i386/nbsdelf.mh (NATDEPFILES): Likewise. * config/i386/obsd.mh (NATDEPFILES): Likewise. * config/i386/x86-64linux.mh (NATDEPFILES): Likewise.
This commit is contained in:
parent
a9a32010d5
commit
e750d25e90
22 changed files with 360 additions and 362 deletions
|
@ -1,3 +1,31 @@
|
||||||
|
2002-05-11 Jason Thorpe <thorpej@wasabisystems.com>
|
||||||
|
|
||||||
|
* Makefile.in (ALLDEPFILES): Remove i387-nat.c.
|
||||||
|
(i387-nat.o): Delete dependency list.
|
||||||
|
(go32-nat.o): Change i387-nat.h to i387-tdep.h.
|
||||||
|
(x86-64-linux-nat.o): Likewise.
|
||||||
|
* i387-nat.c: Delete file, moving contents to...
|
||||||
|
* i387-tdep.c: ...here.
|
||||||
|
* i387-nat.h: Rename...
|
||||||
|
* i387-tdep.h: ...to this.
|
||||||
|
* go32-nat.c: Include i387-tdep.h instead of i387-nat.h.
|
||||||
|
* i386-linux-nat.c: Likewise.
|
||||||
|
* i386bsd-nat.c: Likewise.
|
||||||
|
* i386gnu-nat.c: Likewise.
|
||||||
|
* i386nbsd-nat.c: Likewise.
|
||||||
|
* i386v4-nat.c: Likewise.
|
||||||
|
* x86-64-linux-nat.c: Likewise.
|
||||||
|
* config/i386/fbsd.mh (NATDEPFILES): Remove i387-nat.o.
|
||||||
|
* config/i386/go32.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/i386gnu.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/i386sol2.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/i386v42mp.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/linux.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/nbsd.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/obsd.mh (NATDEPFILES): Likewise.
|
||||||
|
* config/i386/x86-64linux.mh (NATDEPFILES): Likewise.
|
||||||
|
|
||||||
2002-05-11 Jason Thorpe <thorpej@wasabisystems.com>
|
2002-05-11 Jason Thorpe <thorpej@wasabisystems.com>
|
||||||
|
|
||||||
* Makefile.in (ALLDEPFILES): Add alphabsd-tdep.c.
|
* Makefile.in (ALLDEPFILES): Add alphabsd-tdep.c.
|
||||||
|
|
|
@ -1192,7 +1192,7 @@ ALLDEPFILES = 29k-share/udi/udip2soc.c 29k-share/udi/udr.c \
|
||||||
i386-tdep.c i386b-nat.c i386mach-nat.c i386v-nat.c i386-linux-nat.c \
|
i386-tdep.c i386b-nat.c i386mach-nat.c i386v-nat.c i386-linux-nat.c \
|
||||||
i386aix-nat.c i386m3-nat.c i386v4-nat.c i386ly-tdep.c \
|
i386aix-nat.c i386m3-nat.c i386v4-nat.c i386ly-tdep.c \
|
||||||
i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c \
|
i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c \
|
||||||
i387-tdep.c i387-nat.c \
|
i387-tdep.c \
|
||||||
i386-linux-tdep.c i386-nat.c \
|
i386-linux-tdep.c i386-nat.c \
|
||||||
i960-tdep.c \
|
i960-tdep.c \
|
||||||
ia64-linux-nat.c ia64-linux-tdep.c ia64-tdep.c \
|
ia64-linux-nat.c ia64-linux-tdep.c ia64-tdep.c \
|
||||||
|
@ -1557,7 +1557,7 @@ gdbtypes.o: gdbtypes.c $(bfd_h) $(complaints_h) $(defs_h) $(expression_h) \
|
||||||
$(target_h) $(value_h) $(gdb_string_h) $(wrapper_h) $(cp_abi_h)
|
$(target_h) $(value_h) $(gdb_string_h) $(wrapper_h) $(cp_abi_h)
|
||||||
|
|
||||||
go32-nat.o: go32-nat.c $(defs_h) $(inferior_h) gdb_wait.h $(gdbcore_h) \
|
go32-nat.o: go32-nat.c $(defs_h) $(inferior_h) gdb_wait.h $(gdbcore_h) \
|
||||||
$(command_h) $(floatformat_h) $(target_h) i387-nat.h $(regcache_h)
|
$(command_h) $(floatformat_h) $(target_h) i387-tdep.h $(regcache_h)
|
||||||
|
|
||||||
gnu-nat.o: process_reply_S.h exc_request_S.h notify_S.h msg_reply_S.h \
|
gnu-nat.o: process_reply_S.h exc_request_S.h notify_S.h msg_reply_S.h \
|
||||||
exc_request_U.h msg_U.h gnu-nat.h
|
exc_request_U.h msg_U.h gnu-nat.h
|
||||||
|
@ -1634,9 +1634,6 @@ i386v4-nat.o: i386v4-nat.c $(defs_h) $(regcache_h)
|
||||||
i387-tdep.o: i387-tdep.c $(floatformat_h) $(defs_h) $(gdbcore_h) \
|
i387-tdep.o: i387-tdep.c $(floatformat_h) $(defs_h) $(gdbcore_h) \
|
||||||
$(inferior_h) $(language_h) $(regcache_h) $(doublest_h) i386-tdep.h
|
$(inferior_h) $(language_h) $(regcache_h) $(doublest_h) i386-tdep.h
|
||||||
|
|
||||||
i387-nat.o: i387-nat.c $(defs_h) $(inferior_h) $(value_h) $(regcache_h) \
|
|
||||||
i387-nat.h
|
|
||||||
|
|
||||||
i960-tdep.o: i960-tdep.c $(floatformat_h) $(defs_h) $(expression_h) \
|
i960-tdep.o: i960-tdep.c $(floatformat_h) $(defs_h) $(expression_h) \
|
||||||
$(frame_h) $(gdbtypes_h) $(symtab_h) $(value_h) $(gdbcore_h) \
|
$(frame_h) $(gdbtypes_h) $(symtab_h) $(value_h) $(gdbcore_h) \
|
||||||
$(regcache_h)
|
$(regcache_h)
|
||||||
|
@ -2162,7 +2159,7 @@ x86-64-tdep.o : x86-64-tdep.c $(defs_h) $(inferior_h) $(gdbcore_h) $(gdbcmd_h) \
|
||||||
$(dwarf2cfi_h) gdb_assert.h
|
$(dwarf2cfi_h) gdb_assert.h
|
||||||
|
|
||||||
x86-64-linux-nat.o : x86-64-linux-nat.c $(defs_h) $(inferior_h) \
|
x86-64-linux-nat.o : x86-64-linux-nat.c $(defs_h) $(inferior_h) \
|
||||||
$(gdbcore_h) $(regcache_h) i387-nat.h gdb_assert.h x86-64-tdep.h \
|
$(gdbcore_h) $(regcache_h) i387-tdep.h gdb_assert.h x86-64-tdep.h \
|
||||||
i386-tdep.h
|
i386-tdep.h
|
||||||
|
|
||||||
win32-nat.o: win32-nat.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \
|
win32-nat.o: win32-nat.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \
|
||||||
|
|
|
@ -4,4 +4,4 @@ XM_FILE= xm-i386.h
|
||||||
|
|
||||||
NAT_FILE= nm-fbsd.h
|
NAT_FILE= nm-fbsd.h
|
||||||
# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
|
# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
|
||||||
NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i387-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o
|
NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o
|
||||||
|
|
|
@ -7,7 +7,7 @@ MMALLOC_CFLAGS=
|
||||||
XM_FILE= xm-go32.h
|
XM_FILE= xm-go32.h
|
||||||
|
|
||||||
NAT_FILE= nm-go32.h
|
NAT_FILE= nm-go32.h
|
||||||
NATDEPFILES= go32-nat.o i386-nat.o i387-nat.o
|
NATDEPFILES= go32-nat.o i386-nat.o
|
||||||
|
|
||||||
TERMCAP=
|
TERMCAP=
|
||||||
HOST_IPC=
|
HOST_IPC=
|
||||||
|
|
|
@ -1,5 +1,5 @@
|
||||||
# Host: Intel 386 running the GNU Hurd
|
# Host: Intel 386 running the GNU Hurd
|
||||||
NATDEPFILES= i386gnu-nat.o i387-nat.o gnu-nat.o corelow.o core-regset.o \
|
NATDEPFILES= i386gnu-nat.o gnu-nat.o corelow.o core-regset.o \
|
||||||
fork-child.o solib.o solib-svr4.o solib-legacy.o \
|
fork-child.o solib.o solib-svr4.o solib-legacy.o \
|
||||||
notify_S.o process_reply_S.o msg_reply_S.o \
|
notify_S.o process_reply_S.o msg_reply_S.o \
|
||||||
msg_U.o exc_request_U.o exc_request_S.o
|
msg_U.o exc_request_U.o exc_request_S.o
|
||||||
|
|
|
@ -4,5 +4,5 @@ XM_FILE= xm-i386v4.h
|
||||||
XM_CLIBS= -lsocket -lnsl
|
XM_CLIBS= -lsocket -lnsl
|
||||||
|
|
||||||
NAT_FILE= nm-i386sol2.h
|
NAT_FILE= nm-i386sol2.h
|
||||||
NATDEPFILES= core-regset.o fork-child.o i386v4-nat.o i387-nat.o corelow.o \
|
NATDEPFILES= core-regset.o fork-child.o i386v4-nat.o corelow.o \
|
||||||
procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o gcore.o
|
procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o gcore.o
|
||||||
|
|
|
@ -14,7 +14,7 @@ NAT_FILE= nm-i386v42mp.h
|
||||||
# continuation character (backslash) to extend a commented line. As a
|
# continuation character (backslash) to extend a commented line. As a
|
||||||
# consequence, make considers subsequent tab-indented lines to be
|
# consequence, make considers subsequent tab-indented lines to be
|
||||||
# some sort of error.
|
# some sort of error.
|
||||||
NATDEPFILES= corelow.o core-regset.o fork-child.o i386v4-nat.o i387-nat.o \
|
NATDEPFILES= corelow.o core-regset.o fork-child.o i386v4-nat.o \
|
||||||
gcore.o solib.o solib-svr4.o solib-legacy.o procfs.o proc-api.o \
|
gcore.o solib.o solib-svr4.o solib-legacy.o procfs.o proc-api.o \
|
||||||
proc-events.o proc-flags.o proc-why.o uw-thread.o
|
proc-events.o proc-flags.o proc-why.o uw-thread.o
|
||||||
|
|
||||||
|
|
|
@ -4,7 +4,7 @@ XM_FILE= xm-i386.h
|
||||||
|
|
||||||
NAT_FILE= nm-linux.h
|
NAT_FILE= nm-linux.h
|
||||||
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o linux-proc.o \
|
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o linux-proc.o \
|
||||||
core-aout.o i386-nat.o i386-linux-nat.o i387-nat.o \
|
core-aout.o i386-nat.o i386-linux-nat.o \
|
||||||
proc-service.o thread-db.o lin-lwp.o linux-proc.o gcore.o
|
proc-service.o thread-db.o lin-lwp.o linux-proc.o gcore.o
|
||||||
|
|
||||||
# The dynamically loaded libthread_db needs access to symbols in the
|
# The dynamically loaded libthread_db needs access to symbols in the
|
||||||
|
|
|
@ -6,7 +6,7 @@
|
||||||
# continuation character (backslash) to extend a commented line. As a
|
# continuation character (backslash) to extend a commented line. As a
|
||||||
# consequence, BSD make considers subsequent tab-indented lines to be
|
# consequence, BSD make considers subsequent tab-indented lines to be
|
||||||
# "unassociated shell commands".
|
# "unassociated shell commands".
|
||||||
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i387-nat.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-sunos.o
|
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-sunos.o
|
||||||
|
|
||||||
XM_FILE= xm-nbsd.h
|
XM_FILE= xm-nbsd.h
|
||||||
NAT_FILE= nm-nbsd.h
|
NAT_FILE= nm-nbsd.h
|
||||||
|
|
|
@ -1,4 +1,4 @@
|
||||||
# Host: Intel 386 running NetBSD
|
# Host: Intel 386 running NetBSD
|
||||||
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i387-nat.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-svr4.o solib-legacy.o
|
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-svr4.o solib-legacy.o
|
||||||
XM_FILE= xm-nbsd.h
|
XM_FILE= xm-nbsd.h
|
||||||
NAT_FILE= nm-nbsdelf.h
|
NAT_FILE= nm-nbsdelf.h
|
||||||
|
|
|
@ -4,4 +4,4 @@ XM_FILE= xm-i386.h
|
||||||
|
|
||||||
NAT_FILE= nm-obsd.h
|
NAT_FILE= nm-obsd.h
|
||||||
# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
|
# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
|
||||||
NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-sunos.o corelow.o core-aout.o i386-nat.o i387-nat.o i386bsd-nat.o
|
NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-sunos.o corelow.o core-aout.o i386-nat.o i386bsd-nat.o
|
||||||
|
|
|
@ -5,7 +5,7 @@ XM_FILE= xm-i386.h
|
||||||
NAT_FILE= nm-x86-64.h
|
NAT_FILE= nm-x86-64.h
|
||||||
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o \
|
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o \
|
||||||
core-aout.o i386-nat.o x86-64-linux-nat.o \
|
core-aout.o i386-nat.o x86-64-linux-nat.o \
|
||||||
i387-nat.o proc-service.o thread-db.o lin-lwp.o \
|
proc-service.o thread-db.o lin-lwp.o \
|
||||||
linux-proc.o gcore.o
|
linux-proc.o gcore.o
|
||||||
|
|
||||||
LOADLIBES = -ldl -rdynamic
|
LOADLIBES = -ldl -rdynamic
|
||||||
|
|
|
@ -29,7 +29,7 @@
|
||||||
#include "gdbcmd.h"
|
#include "gdbcmd.h"
|
||||||
#include "floatformat.h"
|
#include "floatformat.h"
|
||||||
#include "buildsym.h"
|
#include "buildsym.h"
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
#include "i386-tdep.h"
|
#include "i386-tdep.h"
|
||||||
#include "value.h"
|
#include "value.h"
|
||||||
#include "regcache.h"
|
#include "regcache.h"
|
||||||
|
|
|
@ -57,7 +57,7 @@
|
||||||
#include "gregset.h"
|
#include "gregset.h"
|
||||||
|
|
||||||
/* Prototypes for i387_supply_fsave etc. */
|
/* Prototypes for i387_supply_fsave etc. */
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
|
|
||||||
/* Defines for XMM0_REGNUM etc. */
|
/* Defines for XMM0_REGNUM etc. */
|
||||||
#include "i386-tdep.h"
|
#include "i386-tdep.h"
|
||||||
|
|
|
@ -148,7 +148,7 @@ fill_gregset (gregset_t *gregsetp, int regno)
|
||||||
regcache_collect (i, REG_ADDR (gregsetp, i));
|
regcache_collect (i, REG_ADDR (gregsetp, i));
|
||||||
}
|
}
|
||||||
|
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
|
|
||||||
/* Fill GDB's register array with the floating-point register values
|
/* Fill GDB's register array with the floating-point register values
|
||||||
in *FPREGSETP. */
|
in *FPREGSETP. */
|
||||||
|
|
|
@ -36,7 +36,7 @@
|
||||||
#include "i386-tdep.h"
|
#include "i386-tdep.h"
|
||||||
|
|
||||||
#include "gnu-nat.h"
|
#include "gnu-nat.h"
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
|
|
||||||
#ifdef HAVE_SYS_PROCFS_H
|
#ifdef HAVE_SYS_PROCFS_H
|
||||||
# include <sys/procfs.h>
|
# include <sys/procfs.h>
|
||||||
|
|
|
@ -39,7 +39,7 @@ typedef struct fpreg fpregset_t;
|
||||||
#include "gregset.h"
|
#include "gregset.h"
|
||||||
|
|
||||||
/* Prototypes for i387_supply_fsave etc. */
|
/* Prototypes for i387_supply_fsave etc. */
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
|
|
||||||
struct md_core
|
struct md_core
|
||||||
{
|
{
|
||||||
|
|
|
@ -27,7 +27,7 @@
|
||||||
#ifdef HAVE_SYS_REG_H
|
#ifdef HAVE_SYS_REG_H
|
||||||
#include <sys/reg.h>
|
#include <sys/reg.h>
|
||||||
#endif
|
#endif
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
|
|
||||||
|
|
||||||
#ifdef HAVE_SYS_PROCFS_H
|
#ifdef HAVE_SYS_PROCFS_H
|
||||||
|
|
335
gdb/i387-nat.c
335
gdb/i387-nat.c
|
@ -1,335 +0,0 @@
|
||||||
/* Native-dependent code for the i387.
|
|
||||||
Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
|
|
||||||
|
|
||||||
This file is part of GDB.
|
|
||||||
|
|
||||||
This program is free software; you can redistribute it and/or modify
|
|
||||||
it under the terms of the GNU General Public License as published by
|
|
||||||
the Free Software Foundation; either version 2 of the License, or
|
|
||||||
(at your option) any later version.
|
|
||||||
|
|
||||||
This program is distributed in the hope that it will be useful,
|
|
||||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
GNU General Public License for more details.
|
|
||||||
|
|
||||||
You should have received a copy of the GNU General Public License
|
|
||||||
along with this program; if not, write to the Free Software
|
|
||||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
|
||||||
Boston, MA 02111-1307, USA. */
|
|
||||||
|
|
||||||
#include "defs.h"
|
|
||||||
#include "inferior.h"
|
|
||||||
#include "value.h"
|
|
||||||
#include "regcache.h"
|
|
||||||
|
|
||||||
#include "i387-nat.h"
|
|
||||||
#include "i386-tdep.h"
|
|
||||||
|
|
||||||
/* FIXME: kettenis/2000-05-21: Right now more than a few i386 targets
|
|
||||||
define their own routines to manage the floating-point registers in
|
|
||||||
GDB's register array. Most (if not all) of these targets use the
|
|
||||||
format used by the "fsave" instruction in their communication with
|
|
||||||
the OS. They should all be converted to use the routines below. */
|
|
||||||
|
|
||||||
/* 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[] =
|
|
||||||
{
|
|
||||||
28 + 0 * FPU_REG_RAW_SIZE, /* FP0_REGNUM through ... */
|
|
||||||
28 + 1 * FPU_REG_RAW_SIZE,
|
|
||||||
28 + 2 * FPU_REG_RAW_SIZE,
|
|
||||||
28 + 3 * FPU_REG_RAW_SIZE,
|
|
||||||
28 + 4 * FPU_REG_RAW_SIZE,
|
|
||||||
28 + 5 * FPU_REG_RAW_SIZE,
|
|
||||||
28 + 6 * FPU_REG_RAW_SIZE,
|
|
||||||
28 + 7 * FPU_REG_RAW_SIZE, /* ... FP7_REGNUM. */
|
|
||||||
0, /* FCTRL_REGNUM (16 bits). */
|
|
||||||
4, /* FSTAT_REGNUM (16 bits). */
|
|
||||||
8, /* FTAG_REGNUM (16 bits). */
|
|
||||||
16, /* FISEG_REGNUM (16 bits). */
|
|
||||||
12, /* FIOFF_REGNUM. */
|
|
||||||
24, /* FOSEG_REGNUM. */
|
|
||||||
20, /* FOOFF_REGNUM. */
|
|
||||||
18 /* FOP_REGNUM (bottom 11 bits). */
|
|
||||||
};
|
|
||||||
|
|
||||||
#define FSAVE_ADDR(fsave, regnum) (fsave + fsave_offset[regnum - FP0_REGNUM])
|
|
||||||
|
|
||||||
|
|
||||||
/* Fill register REGNUM in GDB's register array with the appropriate
|
|
||||||
value from *FSAVE. This function masks off any of the reserved
|
|
||||||
bits in *FSAVE. */
|
|
||||||
|
|
||||||
void
|
|
||||||
i387_supply_register (int regnum, char *fsave)
|
|
||||||
{
|
|
||||||
/* Most of the FPU control registers occupy only 16 bits in
|
|
||||||
the fsave area. Give those a special treatment. */
|
|
||||||
if (regnum >= FPC_REGNUM
|
|
||||||
&& regnum != FIOFF_REGNUM && regnum != FOOFF_REGNUM)
|
|
||||||
{
|
|
||||||
unsigned char val[4];
|
|
||||||
|
|
||||||
memcpy (val, FSAVE_ADDR (fsave, regnum), 2);
|
|
||||||
val[2] = val[3] = 0;
|
|
||||||
if (regnum == FOP_REGNUM)
|
|
||||||
val[1] &= ((1 << 3) - 1);
|
|
||||||
supply_register (regnum, val);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
supply_register (regnum, FSAVE_ADDR (fsave, regnum));
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Fill GDB's register array with the floating-point register values
|
|
||||||
in *FSAVE. This function masks off any of the reserved
|
|
||||||
bits in *FSAVE. */
|
|
||||||
|
|
||||||
void
|
|
||||||
i387_supply_fsave (char *fsave)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
|
|
||||||
i387_supply_register (i, fsave);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
|
|
||||||
with the value in GDB's register array. If REGNUM is -1, do this
|
|
||||||
for all registers. This function doesn't touch any of the reserved
|
|
||||||
bits in *FSAVE. */
|
|
||||||
|
|
||||||
void
|
|
||||||
i387_fill_fsave (char *fsave, int regnum)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
|
|
||||||
if (regnum == -1 || regnum == i)
|
|
||||||
{
|
|
||||||
/* Most of the FPU control registers occupy only 16 bits in
|
|
||||||
the fsave area. Give those a special treatment. */
|
|
||||||
if (i >= FPC_REGNUM
|
|
||||||
&& i != FIOFF_REGNUM && i != FOOFF_REGNUM)
|
|
||||||
{
|
|
||||||
unsigned char buf[4];
|
|
||||||
|
|
||||||
regcache_collect (i, buf);
|
|
||||||
|
|
||||||
if (i == FOP_REGNUM)
|
|
||||||
{
|
|
||||||
/* The opcode occupies only 11 bits. Make sure we
|
|
||||||
don't touch the other bits. */
|
|
||||||
buf[1] &= ((1 << 3) - 1);
|
|
||||||
buf[1] |= ((FSAVE_ADDR (fsave, i))[1] & ~((1 << 3) - 1));
|
|
||||||
}
|
|
||||||
memcpy (FSAVE_ADDR (fsave, i), buf, 2);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
regcache_collect (i, FSAVE_ADDR (fsave, i));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* 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[] =
|
|
||||||
{
|
|
||||||
32, /* FP0_REGNUM through ... */
|
|
||||||
48,
|
|
||||||
64,
|
|
||||||
80,
|
|
||||||
96,
|
|
||||||
112,
|
|
||||||
128,
|
|
||||||
144, /* ... FP7_REGNUM (80 bits each). */
|
|
||||||
0, /* FCTRL_REGNUM (16 bits). */
|
|
||||||
2, /* FSTAT_REGNUM (16 bits). */
|
|
||||||
4, /* FTAG_REGNUM (16 bits). */
|
|
||||||
12, /* FISEG_REGNUM (16 bits). */
|
|
||||||
8, /* FIOFF_REGNUM. */
|
|
||||||
20, /* FOSEG_REGNUM (16 bits). */
|
|
||||||
16, /* FOOFF_REGNUM. */
|
|
||||||
6, /* FOP_REGNUM (bottom 11 bits). */
|
|
||||||
160, /* XMM0_REGNUM through ... */
|
|
||||||
176,
|
|
||||||
192,
|
|
||||||
208,
|
|
||||||
224,
|
|
||||||
240,
|
|
||||||
256,
|
|
||||||
272, /* ... XMM7_REGNUM (128 bits each). */
|
|
||||||
24, /* MXCSR_REGNUM. */
|
|
||||||
};
|
|
||||||
|
|
||||||
#define FXSAVE_ADDR(fxsave, regnum) \
|
|
||||||
(fxsave + fxsave_offset[regnum - FP0_REGNUM])
|
|
||||||
|
|
||||||
static int i387_tag (unsigned char *raw);
|
|
||||||
|
|
||||||
|
|
||||||
/* Fill GDB's register array with the floating-point and SSE register
|
|
||||||
values in *FXSAVE. This function masks off any of the reserved
|
|
||||||
bits in *FXSAVE. */
|
|
||||||
|
|
||||||
void
|
|
||||||
i387_supply_fxsave (char *fxsave)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
|
|
||||||
{
|
|
||||||
/* Most of the FPU control registers occupy only 16 bits in
|
|
||||||
the fxsave area. Give those a special treatment. */
|
|
||||||
if (i >= FPC_REGNUM && i < XMM0_REGNUM
|
|
||||||
&& i != FIOFF_REGNUM && i != FOOFF_REGNUM)
|
|
||||||
{
|
|
||||||
unsigned char val[4];
|
|
||||||
|
|
||||||
memcpy (val, FXSAVE_ADDR (fxsave, i), 2);
|
|
||||||
val[2] = val[3] = 0;
|
|
||||||
if (i == FOP_REGNUM)
|
|
||||||
val[1] &= ((1 << 3) - 1);
|
|
||||||
else if (i== FTAG_REGNUM)
|
|
||||||
{
|
|
||||||
/* 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;
|
|
||||||
|
|
||||||
top = (((FXSAVE_ADDR (fxsave, FSTAT_REGNUM))[1] >> 3) & 0x7);
|
|
||||||
|
|
||||||
for (fpreg = 7; fpreg >= 0; fpreg--)
|
|
||||||
{
|
|
||||||
int tag;
|
|
||||||
|
|
||||||
if (val[0] & (1 << fpreg))
|
|
||||||
{
|
|
||||||
int regnum = (fpreg + 8 - top) % 8 + FP0_REGNUM;
|
|
||||||
tag = i387_tag (FXSAVE_ADDR (fxsave, regnum));
|
|
||||||
}
|
|
||||||
else
|
|
||||||
tag = 3; /* Empty */
|
|
||||||
|
|
||||||
ftag |= tag << (2 * fpreg);
|
|
||||||
}
|
|
||||||
val[0] = ftag & 0xff;
|
|
||||||
val[1] = (ftag >> 8) & 0xff;
|
|
||||||
}
|
|
||||||
supply_register (i, val);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
supply_register (i, FXSAVE_ADDR (fxsave, i));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Fill register REGNUM (if it is a floating-point or SSE register) in
|
|
||||||
*FXSAVE with the value in GDB's register array. 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 (char *fxsave, int regnum)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
|
|
||||||
if (regnum == -1 || regnum == i)
|
|
||||||
{
|
|
||||||
/* Most of the FPU control registers occupy only 16 bits in
|
|
||||||
the fxsave area. Give those a special treatment. */
|
|
||||||
if (i >= FPC_REGNUM && i < XMM0_REGNUM
|
|
||||||
&& i != FIOFF_REGNUM && i != FDOFF_REGNUM)
|
|
||||||
{
|
|
||||||
unsigned char buf[4];
|
|
||||||
|
|
||||||
regcache_collect (i, buf);
|
|
||||||
|
|
||||||
if (i == FOP_REGNUM)
|
|
||||||
{
|
|
||||||
/* The opcode occupies only 11 bits. Make sure we
|
|
||||||
don't touch the other bits. */
|
|
||||||
buf[1] &= ((1 << 3) - 1);
|
|
||||||
buf[1] |= ((FXSAVE_ADDR (fxsave, i))[1] & ~((1 << 3) - 1));
|
|
||||||
}
|
|
||||||
else if (i == FTAG_REGNUM)
|
|
||||||
{
|
|
||||||
/* 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);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
memcpy (FXSAVE_ADDR (fxsave, i), buf, 2);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
regcache_collect (i, FXSAVE_ADDR (fxsave, i));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Recreate the FTW (tag word) valid bits from the 80-bit FP data in
|
|
||||||
*RAW. */
|
|
||||||
|
|
||||||
static int
|
|
||||||
i387_tag (unsigned char *raw)
|
|
||||||
{
|
|
||||||
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);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
308
gdb/i387-tdep.c
308
gdb/i387-tdep.c
|
@ -388,3 +388,311 @@ i387_float_info (void)
|
||||||
printf_filtered ("Opcode: %s\n",
|
printf_filtered ("Opcode: %s\n",
|
||||||
local_hex_string_custom (fop ? (fop | 0xd800) : 0, "04"));
|
local_hex_string_custom (fop ? (fop | 0xd800) : 0, "04"));
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* FIXME: kettenis/2000-05-21: Right now more than a few i386 targets
|
||||||
|
define their own routines to manage the floating-point registers in
|
||||||
|
GDB's register array. Most (if not all) of these targets use the
|
||||||
|
format used by the "fsave" instruction in their communication with
|
||||||
|
the OS. They should all be converted to use the routines below. */
|
||||||
|
|
||||||
|
/* 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[] =
|
||||||
|
{
|
||||||
|
28 + 0 * FPU_REG_RAW_SIZE, /* FP0_REGNUM through ... */
|
||||||
|
28 + 1 * FPU_REG_RAW_SIZE,
|
||||||
|
28 + 2 * FPU_REG_RAW_SIZE,
|
||||||
|
28 + 3 * FPU_REG_RAW_SIZE,
|
||||||
|
28 + 4 * FPU_REG_RAW_SIZE,
|
||||||
|
28 + 5 * FPU_REG_RAW_SIZE,
|
||||||
|
28 + 6 * FPU_REG_RAW_SIZE,
|
||||||
|
28 + 7 * FPU_REG_RAW_SIZE, /* ... FP7_REGNUM. */
|
||||||
|
0, /* FCTRL_REGNUM (16 bits). */
|
||||||
|
4, /* FSTAT_REGNUM (16 bits). */
|
||||||
|
8, /* FTAG_REGNUM (16 bits). */
|
||||||
|
16, /* FISEG_REGNUM (16 bits). */
|
||||||
|
12, /* FIOFF_REGNUM. */
|
||||||
|
24, /* FOSEG_REGNUM. */
|
||||||
|
20, /* FOOFF_REGNUM. */
|
||||||
|
18 /* FOP_REGNUM (bottom 11 bits). */
|
||||||
|
};
|
||||||
|
|
||||||
|
#define FSAVE_ADDR(fsave, regnum) (fsave + fsave_offset[regnum - FP0_REGNUM])
|
||||||
|
|
||||||
|
|
||||||
|
/* Fill register REGNUM in GDB's register array with the appropriate
|
||||||
|
value from *FSAVE. This function masks off any of the reserved
|
||||||
|
bits in *FSAVE. */
|
||||||
|
|
||||||
|
void
|
||||||
|
i387_supply_register (int regnum, char *fsave)
|
||||||
|
{
|
||||||
|
/* Most of the FPU control registers occupy only 16 bits in
|
||||||
|
the fsave area. Give those a special treatment. */
|
||||||
|
if (regnum >= FPC_REGNUM
|
||||||
|
&& regnum != FIOFF_REGNUM && regnum != FOOFF_REGNUM)
|
||||||
|
{
|
||||||
|
unsigned char val[4];
|
||||||
|
|
||||||
|
memcpy (val, FSAVE_ADDR (fsave, regnum), 2);
|
||||||
|
val[2] = val[3] = 0;
|
||||||
|
if (regnum == FOP_REGNUM)
|
||||||
|
val[1] &= ((1 << 3) - 1);
|
||||||
|
supply_register (regnum, val);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
supply_register (regnum, FSAVE_ADDR (fsave, regnum));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Fill GDB's register array with the floating-point register values
|
||||||
|
in *FSAVE. This function masks off any of the reserved
|
||||||
|
bits in *FSAVE. */
|
||||||
|
|
||||||
|
void
|
||||||
|
i387_supply_fsave (char *fsave)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
|
||||||
|
i387_supply_register (i, fsave);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
|
||||||
|
with the value in GDB's register array. If REGNUM is -1, do this
|
||||||
|
for all registers. This function doesn't touch any of the reserved
|
||||||
|
bits in *FSAVE. */
|
||||||
|
|
||||||
|
void
|
||||||
|
i387_fill_fsave (char *fsave, int regnum)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
|
||||||
|
if (regnum == -1 || regnum == i)
|
||||||
|
{
|
||||||
|
/* Most of the FPU control registers occupy only 16 bits in
|
||||||
|
the fsave area. Give those a special treatment. */
|
||||||
|
if (i >= FPC_REGNUM
|
||||||
|
&& i != FIOFF_REGNUM && i != FOOFF_REGNUM)
|
||||||
|
{
|
||||||
|
unsigned char buf[4];
|
||||||
|
|
||||||
|
regcache_collect (i, buf);
|
||||||
|
|
||||||
|
if (i == FOP_REGNUM)
|
||||||
|
{
|
||||||
|
/* The opcode occupies only 11 bits. Make sure we
|
||||||
|
don't touch the other bits. */
|
||||||
|
buf[1] &= ((1 << 3) - 1);
|
||||||
|
buf[1] |= ((FSAVE_ADDR (fsave, i))[1] & ~((1 << 3) - 1));
|
||||||
|
}
|
||||||
|
memcpy (FSAVE_ADDR (fsave, i), buf, 2);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
regcache_collect (i, FSAVE_ADDR (fsave, i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* 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[] =
|
||||||
|
{
|
||||||
|
32, /* FP0_REGNUM through ... */
|
||||||
|
48,
|
||||||
|
64,
|
||||||
|
80,
|
||||||
|
96,
|
||||||
|
112,
|
||||||
|
128,
|
||||||
|
144, /* ... FP7_REGNUM (80 bits each). */
|
||||||
|
0, /* FCTRL_REGNUM (16 bits). */
|
||||||
|
2, /* FSTAT_REGNUM (16 bits). */
|
||||||
|
4, /* FTAG_REGNUM (16 bits). */
|
||||||
|
12, /* FISEG_REGNUM (16 bits). */
|
||||||
|
8, /* FIOFF_REGNUM. */
|
||||||
|
20, /* FOSEG_REGNUM (16 bits). */
|
||||||
|
16, /* FOOFF_REGNUM. */
|
||||||
|
6, /* FOP_REGNUM (bottom 11 bits). */
|
||||||
|
160, /* XMM0_REGNUM through ... */
|
||||||
|
176,
|
||||||
|
192,
|
||||||
|
208,
|
||||||
|
224,
|
||||||
|
240,
|
||||||
|
256,
|
||||||
|
272, /* ... XMM7_REGNUM (128 bits each). */
|
||||||
|
24, /* MXCSR_REGNUM. */
|
||||||
|
};
|
||||||
|
|
||||||
|
#define FXSAVE_ADDR(fxsave, regnum) \
|
||||||
|
(fxsave + fxsave_offset[regnum - FP0_REGNUM])
|
||||||
|
|
||||||
|
static int i387_tag (unsigned char *raw);
|
||||||
|
|
||||||
|
|
||||||
|
/* Fill GDB's register array with the floating-point and SSE register
|
||||||
|
values in *FXSAVE. This function masks off any of the reserved
|
||||||
|
bits in *FXSAVE. */
|
||||||
|
|
||||||
|
void
|
||||||
|
i387_supply_fxsave (char *fxsave)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
|
||||||
|
{
|
||||||
|
/* Most of the FPU control registers occupy only 16 bits in
|
||||||
|
the fxsave area. Give those a special treatment. */
|
||||||
|
if (i >= FPC_REGNUM && i < XMM0_REGNUM
|
||||||
|
&& i != FIOFF_REGNUM && i != FOOFF_REGNUM)
|
||||||
|
{
|
||||||
|
unsigned char val[4];
|
||||||
|
|
||||||
|
memcpy (val, FXSAVE_ADDR (fxsave, i), 2);
|
||||||
|
val[2] = val[3] = 0;
|
||||||
|
if (i == FOP_REGNUM)
|
||||||
|
val[1] &= ((1 << 3) - 1);
|
||||||
|
else if (i== FTAG_REGNUM)
|
||||||
|
{
|
||||||
|
/* 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;
|
||||||
|
|
||||||
|
top = (((FXSAVE_ADDR (fxsave, FSTAT_REGNUM))[1] >> 3) & 0x7);
|
||||||
|
|
||||||
|
for (fpreg = 7; fpreg >= 0; fpreg--)
|
||||||
|
{
|
||||||
|
int tag;
|
||||||
|
|
||||||
|
if (val[0] & (1 << fpreg))
|
||||||
|
{
|
||||||
|
int regnum = (fpreg + 8 - top) % 8 + FP0_REGNUM;
|
||||||
|
tag = i387_tag (FXSAVE_ADDR (fxsave, regnum));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
tag = 3; /* Empty */
|
||||||
|
|
||||||
|
ftag |= tag << (2 * fpreg);
|
||||||
|
}
|
||||||
|
val[0] = ftag & 0xff;
|
||||||
|
val[1] = (ftag >> 8) & 0xff;
|
||||||
|
}
|
||||||
|
supply_register (i, val);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
supply_register (i, FXSAVE_ADDR (fxsave, i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Fill register REGNUM (if it is a floating-point or SSE register) in
|
||||||
|
*FXSAVE with the value in GDB's register array. 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 (char *fxsave, int regnum)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
|
||||||
|
if (regnum == -1 || regnum == i)
|
||||||
|
{
|
||||||
|
/* Most of the FPU control registers occupy only 16 bits in
|
||||||
|
the fxsave area. Give those a special treatment. */
|
||||||
|
if (i >= FPC_REGNUM && i < XMM0_REGNUM
|
||||||
|
&& i != FIOFF_REGNUM && i != FDOFF_REGNUM)
|
||||||
|
{
|
||||||
|
unsigned char buf[4];
|
||||||
|
|
||||||
|
regcache_collect (i, buf);
|
||||||
|
|
||||||
|
if (i == FOP_REGNUM)
|
||||||
|
{
|
||||||
|
/* The opcode occupies only 11 bits. Make sure we
|
||||||
|
don't touch the other bits. */
|
||||||
|
buf[1] &= ((1 << 3) - 1);
|
||||||
|
buf[1] |= ((FXSAVE_ADDR (fxsave, i))[1] & ~((1 << 3) - 1));
|
||||||
|
}
|
||||||
|
else if (i == FTAG_REGNUM)
|
||||||
|
{
|
||||||
|
/* 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);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
memcpy (FXSAVE_ADDR (fxsave, i), buf, 2);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
regcache_collect (i, FXSAVE_ADDR (fxsave, i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Recreate the FTW (tag word) valid bits from the 80-bit FP data in
|
||||||
|
*RAW. */
|
||||||
|
|
||||||
|
static int
|
||||||
|
i387_tag (unsigned char *raw)
|
||||||
|
{
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
|
@ -1,4 +1,4 @@
|
||||||
/* Native-dependent code for the i387.
|
/* Target-dependent code for the i387.
|
||||||
Copyright 2000, 2001 Free Software Foundation, Inc.
|
Copyright 2000, 2001 Free Software Foundation, Inc.
|
||||||
|
|
||||||
This file is part of GDB.
|
This file is part of GDB.
|
||||||
|
@ -18,8 +18,8 @@
|
||||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
#ifndef I387_NAT_H
|
#ifndef I387_TDEP_H
|
||||||
#define I387_NAT_H
|
#define I387_TDEP_H
|
||||||
|
|
||||||
/* Fill register REGNUM in GDB's register array with the appropriate
|
/* Fill register REGNUM in GDB's register array with the appropriate
|
||||||
value from *FSAVE. This function masks off any of the reserved
|
value from *FSAVE. This function masks off any of the reserved
|
||||||
|
@ -53,4 +53,4 @@ extern void i387_supply_fxsave (char *fxsave);
|
||||||
|
|
||||||
extern void i387_fill_fxsave (char *fxsave, int regnum);
|
extern void i387_fill_fxsave (char *fxsave, int regnum);
|
||||||
|
|
||||||
#endif /* i387-nat.h */
|
#endif /* i387-tdep.h */
|
|
@ -25,7 +25,7 @@
|
||||||
#include "inferior.h"
|
#include "inferior.h"
|
||||||
#include "gdbcore.h"
|
#include "gdbcore.h"
|
||||||
#include "regcache.h"
|
#include "regcache.h"
|
||||||
#include "i387-nat.h"
|
#include "i387-tdep.h"
|
||||||
#include "gdb_assert.h"
|
#include "gdb_assert.h"
|
||||||
#include "x86-64-tdep.h"
|
#include "x86-64-tdep.h"
|
||||||
|
|
||||||
|
|
Loading…
Add table
Add a link
Reference in a new issue