i386-pinsn.c
i386-stub.c
i386-tdep.c
-i386-xdep.c
i386b-nat.c
i386mach-nat.c
+i386v-nat.c
i387-tdep.c
i960-pinsn.c
i960-tdep.c
nm-delta88.h
nm-i386bsd.h
nm-i386mach.h
+nm-i386v.h
nm-irix3.h
nm-irix4.h
nm-linux.h
Fri Oct 16 13:06:08 1992 K. Richard Pixley (rich@sendai.cygnus.com)
+ Native support for i386v (untested).
+
+ * config/i386v.mh (XDEPFILES): removed infptrace.o inftarg.o
+ fork-child.o coredep.o corelow.o i386-xdep.o i387-tdep.o.
+ (NAT_FILE, NATDEPFILES): new macros.
+ * config/i386v.mt (TDEPFILES): removed exec.o, added i387-tdep.o.
+ * i386-xdep.c: removed.
+ * Makefile.in (HFILES): added nm-i386v.h
+ * i386v-nat.c, nm-i386v.h: new file.
+ * xm-i386v.h: (REGISTER_U_ADDR, i386_register_u_addr): removed to
+ nm-i386v.h.
+ * tm-i386v.h (FLOAT_INFO): removed.
+
Native support for linux (untested).
* config/linux.mh (XDEPFILES): removed infptrace.o inftarg.o
- fork-child.o coredep.o corelow.o i387-tdep.o.
+ fork-child.o coredep.o corelow.o i387-tdep.o i386-xdep.o.
(NAT_FILE, NATDEPFILES): new macros.
* config/linux.mt (TDEPFILES): removed exec.o, added i387-tdep.o.
* Makefile.in (HFILES): added nm-linux.h.
xm-m68k.h xm-sparc.h xm-sysv4.h xm-vax.h \
nm-irix3.h nm-irix4.h nm-mips.h nm-rs6000.h nm-sun2.h nm-sun3.h \
nm-sun4os4.h nm-trash.h nm-news.h nm-ultra3.h nm-m88k.h \
- nm-i386mach.h nm-sun386.h nm-linux.h
+ nm-i386mach.h nm-sun386.h nm-linux.h nm-i386v.h
REMOTE_EXAMPLES = m68k-stub.c i386-stub.c sparc-stub.c rem-multi.shar
# Host: Intel 386 running System V
-XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386-xdep.o i387-tdep.o
+XDEPFILES=
XM_FILE= xm-i386v.h
+NAT_FILE= nm-i386v.h
+NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386v-nat.o
XM_CLIBS= -lPW
SYSV_DEFINE=-DSYSV
REGEX=regex.o
# Target: Intel 386 running System V
-TDEPFILES= exec.o i386-tdep.o i386-pinsn.o
+TDEPFILES= i386-tdep.o i386-pinsn.o i387-tdep.o
TM_FILE= tm-i386v.h
# Host: Intel 386 running System V
-XDEPFILES= i386-xdep.o
+XDEPFILES=
XM_FILE= xm-linux.h
NAT_FILE= nm-linux.h
-NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o coredep.o corelow.o
+NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386v-nat.o
XM_CLIBS=
TERMLIB=
SYSV_DEFINE=-DSYSV
--- /dev/null
+/* Intel 386 native support.
+ Copyright (C) 1988, 1989, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "defs.h"
+#include "frame.h"
+#include "inferior.h"
+#include "language.h"
+#include "gdbcore.h"
+
+#ifdef USG
+#include <sys/types.h>
+#endif
+
+#include <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+#include <sys/user.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+
+#include <sys/file.h>
+#include <sys/stat.h>
+
+#include <sys/reg.h>
+#include "ieee-float.h"
+
+#include "target.h"
+
+extern struct ext_format ext_format_i387;
+\f
+/* this table must line up with REGISTER_NAMES in tm-i386v.h */
+/* symbols like 'EAX' come from <sys/reg.h> */
+static int regmap[] =
+{
+ EAX, ECX, EDX, EBX,
+ UESP, EBP, ESI, EDI,
+ EIP, EFL, CS, SS,
+ DS, ES, FS, GS,
+};
+
+/* blockend is the value of u.u_ar0, and points to the
+ * place where GS is stored
+ */
+
+int
+i386_register_u_addr (blockend, regnum)
+ int blockend;
+ int regnum;
+{
+#if 0
+ /* this will be needed if fp registers are reinstated */
+ /* for now, you can look at them with 'info float'
+ * sys5 wont let you change them with ptrace anyway
+ */
+ if (regnum >= FP0_REGNUM && regnum <= FP7_REGNUM)
+ {
+ int ubase, fpstate;
+ struct user u;
+ ubase = blockend + 4 * (SS + 1) - KSTKSZ;
+ fpstate = ubase + ((char *)&u.u_fpstate - (char *)&u);
+ return (fpstate + 0x1c + 10 * (regnum - FP0_REGNUM));
+ }
+ else
+#endif
+ return (blockend + 4 * regmap[regnum]);
+
+}
+
+#if 0
+/* using FLOAT_INFO as is would be a problem. FLOAT_INFO is called
+ via a command xxx and eventually calls ptrace without ever having
+ traversed the target vector. This would be terribly impolite
+ behaviour for a sun4 hosted remote gdb.
+
+ A fix might be to move this code into the "info registers" command.
+ rich@cygnus.com 15 Sept 92. */
+i386_float_info ()
+{
+ struct user u; /* just for address computations */
+ int i;
+ /* fpstate defined in <sys/user.h> */
+ struct fpstate *fpstatep;
+ char buf[sizeof (struct fpstate) + 2 * sizeof (int)];
+ unsigned int uaddr;
+ char fpvalid = 0;
+ unsigned int rounded_addr;
+ unsigned int rounded_size;
+ extern int corechan;
+ int skip;
+
+ uaddr = (char *)&u.u_fpvalid - (char *)&u;
+ if (target_has_execution)
+ {
+ unsigned int data;
+ unsigned int mask;
+
+ rounded_addr = uaddr & -sizeof (int);
+ data = ptrace (3, inferior_pid, (PTRACE_ARG3_TYPE) rounded_addr, 0);
+ mask = 0xff << ((uaddr - rounded_addr) * 8);
+
+ fpvalid = ((data & mask) != 0);
+ }
+#if 0
+ else
+ {
+ if (lseek (corechan, uaddr, 0) < 0)
+ perror ("seek on core file");
+ if (myread (corechan, &fpvalid, 1) < 0)
+ perror ("read on core file");
+
+ }
+#endif /* no core support yet */
+
+ if (fpvalid == 0)
+ {
+ printf ("no floating point status saved\n");
+ return;
+ }
+
+ uaddr = (char *)&U_FPSTATE(u) - (char *)&u;
+ if (target_has_execution)
+ {
+ int *ip;
+
+ rounded_addr = uaddr & -sizeof (int);
+ rounded_size = (((uaddr + sizeof (struct fpstate)) - uaddr) +
+ sizeof (int) - 1) / sizeof (int);
+ skip = uaddr - rounded_addr;
+
+ ip = (int *)buf;
+ for (i = 0; i < rounded_size; i++)
+ {
+ *ip++ = ptrace (3, inferior_pid, (PTRACE_ARG3_TYPE) rounded_addr, 0);
+ rounded_addr += sizeof (int);
+ }
+ }
+#if 0
+ else
+ {
+ if (lseek (corechan, uaddr, 0) < 0)
+ perror_with_name ("seek on core file");
+ if (myread (corechan, buf, sizeof (struct fpstate)) < 0)
+ perror_with_name ("read from core file");
+ skip = 0;
+ }
+ #endif /* 0 */
+
+ fpstatep = (struct fpstate *)(buf + skip);
+ print_387_status (fpstatep->status, (struct env387 *)fpstatep->state);
+}
+
+#endif /* never */
--- /dev/null
+/* Native support for i386.
+ Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
+ Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#if 0
+/* code to execute to print interesting information about the
+ floating point processor (if any)
+ No need to define if there is nothing to do.
+ On the 386, unfortunately this code is host-dependent (and lives
+ in the i386-xdep.c file), so we can't
+ do this unless we *know* we aren't cross-debugging. FIXME.
+ */
+#define FLOAT_INFO { i386_float_info (); }
+#endif /*0*/
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+ (addr) = i386_register_u_addr ((blockend),(regno));
+
+extern int
+i386_register_u_addr PARAMS ((int, int));
#define INVALID_FLOAT(p, len) (0)
-#if 0
-/* code to execute to print interesting information about the
- floating point processor (if any)
- No need to define if there is nothing to do.
- On the 386, unfortunately this code is host-dependent (and lives
- in the i386-xdep.c file), so we can't
- do this unless we *know* we aren't cross-debugging. FIXME.
- */
-#define FLOAT_INFO { i386_float_info (); }
-#endif /*0*/
-
/* Say how long (ordinary) registers are. */
#define REGISTER_TYPE long
-/* Macro defintions for i386.
+/* Host support for i386.
Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988.
#define KERNEL_U_ADDR 0xe0000000
-#define REGISTER_U_ADDR(addr, blockend, regno) \
- (addr) = i386_register_u_addr ((blockend),(regno));
-
-extern int
-i386_register_u_addr PARAMS ((int, int));
projects / external / binutils.git / commitdiff