This commit was manufactured by cvs2svn to create branchsid-20020905-branchpoint sid-20020905-branch

'sid-20020905-branch'. Sprout from gdb_5_3-branch 2002-09-03 22:29:15 UTC nobody 'This commit was manufactured by cvs2svn to create branch 'gdb_5_3-branch'.' Cherrypick from master 2002-09-07 00:00:04 UTC Alan Modra <amodra@gmail.com> 'daily update': bfd/ChangeLog bfd/config.bfd bfd/version.h include/ChangeLog include/dis-asm.h libiberty/ChangeLog libiberty/regex.c opcodes/ChangeLog opcodes/disassemble.c opcodes/ppc-dis.c opcodes/ppc-opc.c Delete: djunpack.bat gdb/CONTRIBUTE gdb/COPYING gdb/ChangeLog gdb/ChangeLog-1990 gdb/ChangeLog-1991 gdb/ChangeLog-1992 gdb/ChangeLog-1993 gdb/ChangeLog-1994 gdb/ChangeLog-1995 gdb/ChangeLog-1996 gdb/ChangeLog-1997 gdb/ChangeLog-1998 gdb/ChangeLog-1999 gdb/ChangeLog-2000 gdb/ChangeLog-2001 gdb/ChangeLog-3.x gdb/MAINTAINERS gdb/Makefile.in gdb/NEWS gdb/PROBLEMS gdb/README gdb/TODO gdb/a68v-nat.c gdb/abug-rom.c gdb/acconfig.h gdb/acinclude.m4 gdb/aclocal.m4 gdb/ada-exp.y gdb/ada-lang.c gdb/ada-lang.h gdb/ada-lex.l gdb/ada-tasks.c gdb/ada-typeprint.c gdb/ada-valprint.c gdb/aix-thread.c gdb/alpha-linux-tdep.c gdb/alpha-nat.c gdb/alpha-osf1-tdep.c gdb/alpha-tdep.c gdb/alpha-tdep.h gdb/alphabsd-nat.c gdb/alphabsd-tdep.c gdb/alphabsd-tdep.h gdb/alphafbsd-tdep.c gdb/alphanbsd-tdep.c gdb/annotate.c gdb/annotate.h gdb/arc-tdep.c gdb/arch-utils.c gdb/arch-utils.h gdb/arm-linux-nat.c gdb/arm-linux-tdep.c gdb/arm-tdep.c gdb/arm-tdep.h gdb/armnbsd-nat.c gdb/armnbsd-tdep.c gdb/avr-tdep.c gdb/ax-gdb.c gdb/ax-gdb.h gdb/ax-general.c gdb/ax.h gdb/bcache.c gdb/bcache.h gdb/blockframe.c gdb/breakpoint.c gdb/breakpoint.h gdb/buildsym.c gdb/buildsym.h gdb/builtin-regs.c gdb/builtin-regs.h gdb/c-exp.y gdb/c-lang.c gdb/c-lang.h gdb/c-typeprint.c gdb/c-valprint.c gdb/call-cmds.h gdb/ch-exp.c gdb/ch-lang.c gdb/ch-lang.h gdb/ch-typeprint.c gdb/ch-valprint.c gdb/cli-out.c gdb/cli-out.h gdb/cli/cli-cmds.c gdb/cli/cli-cmds.h gdb/cli/cli-decode.c gdb/cli/cli-decode.h gdb/cli/cli-dump.c gdb/cli/cli-dump.h gdb/cli/cli-script.c gdb/cli/cli-script.h gdb/cli/cli-setshow.c gdb/cli/cli-setshow.h gdb/cli/cli-utils.c gdb/cli/cli-utils.h gdb/coff-solib.c gdb/coff-solib.h gdb/coffread.c gdb/command.h gdb/complaints.c gdb/complaints.h gdb/completer.c gdb/completer.h gdb/config.in gdb/config/alpha/alpha-linux.mh gdb/config/alpha/alpha-linux.mt gdb/config/alpha/alpha-osf1.mh gdb/config/alpha/alpha-osf1.mt gdb/config/alpha/alpha-osf2.mh gdb/config/alpha/alpha-osf3.mh gdb/config/alpha/alpha.mt gdb/config/alpha/fbsd.mh gdb/config/alpha/fbsd.mt gdb/config/alpha/nbsd.mh gdb/config/alpha/nbsd.mt gdb/config/alpha/nm-fbsd.h gdb/config/alpha/nm-linux.h gdb/config/alpha/nm-nbsd.h gdb/config/alpha/nm-osf.h gdb/config/alpha/nm-osf2.h gdb/config/alpha/nm-osf3.h gdb/config/alpha/tm-alpha.h gdb/config/alpha/tm-alphalinux.h gdb/config/alpha/tm-fbsd.h gdb/config/alpha/tm-nbsd.h gdb/config/alpha/xm-alphalinux.h gdb/config/alpha/xm-alphaosf.h gdb/config/arc/arc.mt gdb/config/arc/tm-arc.h gdb/config/arm/embed.mt gdb/config/arm/linux.mh gdb/config/arm/linux.mt gdb/config/arm/nbsd.mt gdb/config/arm/nbsdaout.mh gdb/config/arm/nbsdelf.mh gdb/config/arm/nm-linux.h gdb/config/arm/nm-nbsd.h gdb/config/arm/nm-nbsdaout.h gdb/config/arm/tm-arm.h gdb/config/arm/tm-embed.h gdb/config/arm/tm-linux.h gdb/config/arm/tm-wince.h gdb/config/arm/wince.mt gdb/config/arm/xm-linux.h gdb/config/arm/xm-nbsd.h gdb/config/avr/avr.mt gdb/config/cris/cris.mt gdb/config/cris/tm-cris.h gdb/config/d10v/d10v.mt gdb/config/d30v/d30v.mt gdb/config/d30v/tm-d30v.h gdb/config/djgpp/README gdb/config/djgpp/config.sed gdb/config/djgpp/djcheck.sh gdb/config/djgpp/djconfig.sh gdb/config/djgpp/fnchange.lst gdb/config/fr30/fr30.mt gdb/config/fr30/tm-fr30.h gdb/config/frv/frv.mt gdb/config/frv/tm-frv.h gdb/config/h8300/h8300.mt gdb/config/h8300/tm-h8300.h gdb/config/h8500/h8500.mt gdb/config/h8500/tm-h8500.h gdb/config/i386/cygwin.mh gdb/config/i386/cygwin.mt gdb/config/i386/embed.mt gdb/config/i386/fbsd.mh gdb/config/i386/fbsd.mt gdb/config/i386/gdbserve.mt gdb/config/i386/go32.mh gdb/config/i386/go32.mt gdb/config/i386/i386aix.mh gdb/config/i386/i386aix.mt gdb/config/i386/i386aout.mt gdb/config/i386/i386bsd.mh gdb/config/i386/i386bsd.mt gdb/config/i386/i386dgux.mh gdb/config/i386/i386gnu.mh gdb/config/i386/i386gnu.mt gdb/config/i386/i386lynx.mh gdb/config/i386/i386lynx.mt gdb/config/i386/i386m3.mh gdb/config/i386/i386m3.mt gdb/config/i386/i386mach.mh gdb/config/i386/i386mk.mh gdb/config/i386/i386mk.mt gdb/config/i386/i386nw.mt gdb/config/i386/i386os9k.mt gdb/config/i386/i386sco.mh gdb/config/i386/i386sco4.mh gdb/config/i386/i386sco5.mh gdb/config/i386/i386sco5.mt gdb/config/i386/i386sol2.mh gdb/config/i386/i386sol2.mt gdb/config/i386/i386v.mh gdb/config/i386/i386v.mt gdb/config/i386/i386v32.mh gdb/config/i386/i386v4.mh gdb/config/i386/i386v4.mt gdb/config/i386/i386v42mp.mh gdb/config/i386/i386v42mp.mt gdb/config/i386/linux.mh gdb/config/i386/linux.mt gdb/config/i386/nbsd.mt gdb/config/i386/nbsdaout.mh gdb/config/i386/nbsdelf.mh gdb/config/i386/ncr3000.mh gdb/config/i386/ncr3000.mt gdb/config/i386/nm-cygwin.h gdb/config/i386/nm-fbsd.h gdb/config/i386/nm-go32.h gdb/config/i386/nm-i386.h gdb/config/i386/nm-i386aix.h gdb/config/i386/nm-i386bsd.h gdb/config/i386/nm-i386gnu.h gdb/config/i386/nm-i386lynx.h gdb/config/i386/nm-i386mach.h gdb/config/i386/nm-i386sco.h gdb/config/i386/nm-i386sco4.h gdb/config/i386/nm-i386sco5.h gdb/config/i386/nm-i386sol2.h gdb/config/i386/nm-i386v.h gdb/config/i386/nm-i386v4.h gdb/config/i386/nm-i386v42mp.h gdb/config/i386/nm-linux.h gdb/config/i386/nm-m3.h gdb/config/i386/nm-nbsd.h gdb/config/i386/nm-nbsdaout.h gdb/config/i386/nm-obsd.h gdb/config/i386/nm-ptx4.h gdb/config/i386/nm-symmetry.h gdb/config/i386/nm-x86-64linux.h gdb/config/i386/obsd.mh gdb/config/i386/ptx.mh gdb/config/i386/ptx.mt gdb/config/i386/ptx4.mh gdb/config/i386/ptx4.mt gdb/config/i386/symmetry.mh gdb/config/i386/symmetry.mt gdb/config/i386/tm-cygwin.h gdb/config/i386/tm-fbsd.h gdb/config/i386/tm-go32.h gdb/config/i386/tm-i386.h gdb/config/i386/tm-i386aix.h gdb/config/i386/tm-i386bsd.h gdb/config/i386/tm-i386lynx.h gdb/config/i386/tm-i386m3.h gdb/config/i386/tm-i386mk.h gdb/config/i386/tm-i386os9k.h gdb/config/i386/tm-i386sol2.h gdb/config/i386/tm-i386v4.h gdb/config/i386/tm-i386v42mp.h gdb/config/i386/tm-linux.h gdb/config/i386/tm-nbsd.h gdb/config/i386/tm-ptx.h gdb/config/i386/tm-ptx4.h gdb/config/i386/tm-symmetry.h gdb/config/i386/tm-vxworks.h gdb/config/i386/tm-x86-64linux.h gdb/config/i386/vxworks.mt gdb/config/i386/x86-64linux.mh gdb/config/i386/x86-64linux.mt gdb/config/i386/xm-cygwin.h gdb/config/i386/xm-go32.h gdb/config/i386/xm-i386.h gdb/config/i386/xm-i386aix.h gdb/config/i386/xm-i386bsd.h gdb/config/i386/xm-i386m3.h gdb/config/i386/xm-i386mach.h gdb/config/i386/xm-i386mk.h gdb/config/i386/xm-i386sco.h gdb/config/i386/xm-i386v.h gdb/config/i386/xm-i386v32.h gdb/config/i386/xm-i386v4.h gdb/config/i386/xm-nbsd.h gdb/config/i386/xm-ptx.h gdb/config/i386/xm-ptx4.h gdb/config/i386/xm-symmetry.h gdb/config/i960/mon960.mt gdb/config/i960/nindy960.mt gdb/config/i960/tm-i960.h gdb/config/i960/tm-mon960.h gdb/config/i960/tm-nindy960.h gdb/config/i960/tm-vx960.h gdb/config/i960/vxworks960.mt gdb/config/ia64/aix.mh gdb/config/ia64/aix.mt gdb/config/ia64/ia64.mt gdb/config/ia64/linux.mh gdb/config/ia64/linux.mt gdb/config/ia64/nm-aix.h gdb/config/ia64/nm-linux.h gdb/config/ia64/tm-aix.h gdb/config/ia64/tm-ia64.h gdb/config/ia64/tm-linux.h gdb/config/ia64/xm-aix.h gdb/config/ia64/xm-linux.h gdb/config/m32r/m32r.mt gdb/config/m32r/tm-m32r.h gdb/config/m68hc11/m68hc11.mt gdb/config/m68k/3b1.mh gdb/config/m68k/3b1.mt gdb/config/m68k/apollo68b.mh gdb/config/m68k/apollo68b.mt gdb/config/m68k/apollo68v.mh gdb/config/m68k/cisco.mt gdb/config/m68k/delta68.mh gdb/config/m68k/delta68.mt gdb/config/m68k/dpx2.mh gdb/config/m68k/dpx2.mt gdb/config/m68k/es1800.mt gdb/config/m68k/hp300bsd.mh gdb/config/m68k/hp300bsd.mt gdb/config/m68k/hp300hpux.mh gdb/config/m68k/hp300hpux.mt gdb/config/m68k/linux.mh gdb/config/m68k/linux.mt gdb/config/m68k/m68klynx.mh gdb/config/m68k/m68klynx.mt gdb/config/m68k/m68kv4.mh gdb/config/m68k/m68kv4.mt gdb/config/m68k/monitor.mt gdb/config/m68k/nbsdaout.mh gdb/config/m68k/nbsdaout.mt gdb/config/m68k/nm-apollo68b.h gdb/config/m68k/nm-apollo68v.h gdb/config/m68k/nm-delta68.h gdb/config/m68k/nm-dpx2.h gdb/config/m68k/nm-hp300bsd.h gdb/config/m68k/nm-hp300hpux.h gdb/config/m68k/nm-linux.h gdb/config/m68k/nm-m68klynx.h gdb/config/m68k/nm-nbsd.h gdb/config/m68k/nm-nbsdaout.h gdb/config/m68k/nm-sun2.h gdb/config/m68k/nm-sun3.h gdb/config/m68k/nm-sysv4.h gdb/config/m68k/os68k.mt gdb/config/m68k/st2000.mt gdb/config/m68k/sun2os3.mh gdb/config/m68k/sun2os3.mt gdb/config/m68k/sun2os4.mh gdb/config/m68k/sun2os4.mt gdb/config/m68k/sun3os3.mh gdb/config/m68k/sun3os3.mt gdb/config/m68k/sun3os4.mh gdb/config/m68k/sun3os4.mt gdb/config/m68k/tm-3b1.h gdb/config/m68k/tm-apollo68b.h gdb/config/m68k/tm-cisco.h gdb/config/m68k/tm-delta68.h gdb/config/m68k/tm-dpx2.h gdb/config/m68k/tm-es1800.h gdb/config/m68k/tm-hp300bsd.h gdb/config/m68k/tm-hp300hpux.h gdb/config/m68k/tm-linux.h gdb/config/m68k/tm-m68k.h gdb/config/m68k/tm-m68klynx.h gdb/config/m68k/tm-m68kv4.h gdb/config/m68k/tm-mac.h gdb/config/m68k/tm-monitor.h gdb/config/m68k/tm-nbsd.h gdb/config/m68k/tm-os68k.h gdb/config/m68k/tm-st2000.h gdb/config/m68k/tm-sun2.h gdb/config/m68k/tm-sun2os4.h gdb/config/m68k/tm-sun3.h gdb/config/m68k/tm-sun3os4.h gdb/config/m68k/tm-vx68.h gdb/config/m68k/vxworks68.mt gdb/config/m68k/xm-3b1.h gdb/config/m68k/xm-apollo68b.h gdb/config/m68k/xm-apollo68v.h gdb/config/m68k/xm-delta68.h gdb/config/m68k/xm-dpx2.h gdb/config/m68k/xm-hp300bsd.h gdb/config/m68k/xm-hp300hpux.h gdb/config/m68k/xm-linux.h gdb/config/m68k/xm-m68k.h gdb/config/m68k/xm-m68kv4.h gdb/config/m68k/xm-nbsd.h gdb/config/m68k/xm-sun2.h gdb/config/m68k/xm-sun3.h gdb/config/m68k/xm-sun3os4.h gdb/config/m88k/delta88.mh gdb/config/m88k/delta88.mt gdb/config/m88k/delta88v4.mh gdb/config/m88k/delta88v4.mt gdb/config/m88k/m88k.mh gdb/config/m88k/m88k.mt gdb/config/m88k/nm-delta88v4.h gdb/config/m88k/nm-m88k.h gdb/config/m88k/tm-delta88.h gdb/config/m88k/tm-delta88v4.h gdb/config/m88k/tm-m88k.h gdb/config/m88k/xm-delta88.h gdb/config/m88k/xm-delta88v4.h gdb/config/m88k/xm-dgux.h gdb/config/mcore/mcore.mt gdb/config/mips/bigmips.mt gdb/config/mips/bigmips64.mt gdb/config/mips/decstation.mh gdb/config/mips/decstation.mt gdb/config/mips/embed.mt gdb/config/mips/embed64.mt gdb/config/mips/embedl.mt gdb/config/mips/embedl64.mt gdb/config/mips/irix3.mh gdb/config/mips/irix3.mt gdb/config/mips/irix4.mh gdb/config/mips/irix5.mh gdb/config/mips/irix5.mt gdb/config/mips/irix6.mh gdb/config/mips/irix6.mt gdb/config/mips/linux.mh gdb/config/mips/linux.mt gdb/config/mips/littlemips.mh gdb/config/mips/littlemips.mt gdb/config/mips/mipsm3.mh gdb/config/mips/mipsm3.mt gdb/config/mips/mipsv4.mh gdb/config/mips/mipsv4.mt gdb/config/mips/nbsd.mh gdb/config/mips/nbsd.mt gdb/config/mips/news-mips.mh gdb/config/mips/nm-irix3.h gdb/config/mips/nm-irix4.h gdb/config/mips/nm-irix5.h gdb/config/mips/nm-irix6.h gdb/config/mips/nm-linux.h gdb/config/mips/nm-mips.h gdb/config/mips/nm-nbsd.h gdb/config/mips/nm-news-mips.h gdb/config/mips/nm-riscos.h gdb/config/mips/riscos.mh gdb/config/mips/tm-bigmips.h gdb/config/mips/tm-bigmips64.h gdb/config/mips/tm-embed.h gdb/config/mips/tm-embed64.h gdb/config/mips/tm-embedl.h gdb/config/mips/tm-embedl64.h gdb/config/mips/tm-irix3.h gdb/config/mips/tm-irix5.h gdb/config/mips/tm-irix6.h gdb/config/mips/tm-linux.h gdb/config/mips/tm-mips.h gdb/config/mips/tm-mips64.h gdb/config/mips/tm-mipsm3.h gdb/config/mips/tm-mipsv4.h gdb/config/mips/tm-nbsd.h gdb/config/mips/tm-tx39.h gdb/config/mips/tm-tx39l.h gdb/config/mips/tm-vr4100.h gdb/config/mips/tm-vr4300.h gdb/config/mips/tm-vr4300el.h gdb/config/mips/tm-vr4xxx.h gdb/config/mips/tm-vr4xxxel.h gdb/config/mips/tm-vr5000.h gdb/config/mips/tm-vr5000el.h gdb/config/mips/tm-vxmips.h gdb/config/mips/tm-wince.h gdb/config/mips/tx39.mt gdb/config/mips/tx39l.mt gdb/config/mips/vr4100.mt gdb/config/mips/vr4300.mt gdb/config/mips/vr4300el.mt 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readline/config.h.bot readline/config.h.in readline/configure readline/configure.in readline/cross-build/cygwin.cache readline/display.c readline/doc/ChangeLog.gdb readline/doc/Makefile.in readline/doc/hist.texinfo readline/doc/hstech.texinfo readline/doc/hsuser.texinfo readline/doc/inc-hist.texinfo readline/doc/manvers.texinfo readline/doc/readline.3 readline/doc/rlman.texinfo readline/doc/rltech.texinfo readline/doc/rluser.texinfo readline/doc/rluserman.texinfo readline/doc/texi2dvi readline/doc/texi2html readline/emacs_keymap.c readline/examples/ChangeLog.gdb readline/examples/Inputrc readline/examples/Makefile.in readline/examples/excallback.c readline/examples/fileman.c readline/examples/histexamp.c readline/examples/manexamp.c readline/examples/rl.c readline/examples/rlfe.c readline/examples/rltest.c readline/examples/rlversion.c readline/funmap.c readline/histexpand.c readline/histfile.c readline/histlib.h readline/history.c readline/history.h readline/histsearch.c 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sim/testsuite/sim/m32r/uread16.ms sim/testsuite/sim/m32r/uread32.ms sim/testsuite/sim/m32r/uwrite16.ms sim/testsuite/sim/m32r/uwrite32.ms sim/testsuite/sim/m32r/xor.cgs sim/testsuite/sim/m32r/xor3.cgs sim/v850/ChangeLog sim/v850/Makefile.in sim/v850/acconfig.h sim/v850/config.in sim/v850/configure sim/v850/configure.in sim/v850/interp.c sim/v850/sim-main.h sim/v850/simops.c sim/v850/simops.h sim/v850/v850-dc sim/v850/v850.igen sim/v850/v850_sim.h sim/z8k/ChangeLog sim/z8k/Makefile.in sim/z8k/acconfig.h sim/z8k/comped1.c sim/z8k/comped2.c sim/z8k/comped3.c sim/z8k/compedb3.c sim/z8k/config.in sim/z8k/configure sim/z8k/configure.in sim/z8k/iface.c sim/z8k/inlines.h sim/z8k/mem.c sim/z8k/mem.h sim/z8k/quick.c sim/z8k/sim.h sim/z8k/support.c sim/z8k/syscall.h sim/z8k/tconfig.in sim/z8k/tm.h sim/z8k/writecode.c texinfo/texinfo.tex
author: nobody <> 2002-09-07 00:00:05 +0000
committer: nobody <> 2002-09-07 00:00:05 +0000
commit: c1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch)
tree: a98633075cd1f2b034b49446e83e522708d11f68 /gdb/remote.c
parent: 2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff)
download: gdb-sid-20020905-branch.zip
gdb-sid-20020905-branch.tar.gz
gdb-sid-20020905-branch.tar.bz2
1 files changed, 0 insertions, 6252 deletions
diff --git a/gdb/remote.c b/gdb/remote.c
deleted file mode 100644
index 1584d6b..0000000
--- a/gdb/remote.c
+++ /dev/null
@@ -1,6252 +0,0 @@
-/* Remote target communications for serial-line targets in custom GDB protocol
-
-   Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
-   1997, 1998, 1999, 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.  */
-
-/* See the GDB User Guide for details of the GDB remote protocol. */
-
-#include "defs.h"
-#include "gdb_string.h"
-#include <ctype.h>
-#include <fcntl.h>
-#include "inferior.h"
-#include "bfd.h"
-#include "symfile.h"
-#include "target.h"
-/*#include "terminal.h" */
-#include "gdbcmd.h"
-#include "objfiles.h"
-#include "gdb-stabs.h"
-#include "gdbthread.h"
-#include "remote.h"
-#include "regcache.h"
-#include "value.h"
-#include "gdb_assert.h"
-
-#include <ctype.h>
-#include <sys/time.h>
-#ifdef USG
-#include <sys/types.h>
-#endif
-
-#include "event-loop.h"
-#include "event-top.h"
-#include "inf-loop.h"
-
-#include <signal.h>
-#include "serial.h"
-
-#include "gdbcore.h" /* for exec_bfd */
-
-/* Prototypes for local functions */
-static void cleanup_sigint_signal_handler (void *dummy);
-static void initialize_sigint_signal_handler (void);
-static int getpkt_sane (char *buf, long sizeof_buf, int forever);
-
-static void handle_remote_sigint (int);
-static void handle_remote_sigint_twice (int);
-static void async_remote_interrupt (gdb_client_data);
-void async_remote_interrupt_twice (gdb_client_data);
-
-static void build_remote_gdbarch_data (void);
-
-static int remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len);
-
-static int remote_read_bytes (CORE_ADDR memaddr, char *myaddr, int len);
-
-static void remote_files_info (struct target_ops *ignore);
-
-static int remote_xfer_memory (CORE_ADDR memaddr, char *myaddr,
-			       int len, int should_write,
-			       struct mem_attrib *attrib,
-			       struct target_ops *target);
-
-static void remote_prepare_to_store (void);
-
-static void remote_fetch_registers (int regno);
-
-static void remote_resume (ptid_t ptid, int step,
-                           enum target_signal siggnal);
-static void remote_async_resume (ptid_t ptid, int step,
-				 enum target_signal siggnal);
-static int remote_start_remote (struct ui_out *uiout, void *dummy);
-
-static void remote_open (char *name, int from_tty);
-static void remote_async_open (char *name, int from_tty);
-
-static void extended_remote_open (char *name, int from_tty);
-static void extended_remote_async_open (char *name, int from_tty);
-
-static void remote_open_1 (char *, int, struct target_ops *, int extended_p,
-			   int async_p);
-
-static void remote_close (int quitting);
-
-static void remote_store_registers (int regno);
-
-static void remote_mourn (void);
-static void remote_async_mourn (void);
-
-static void extended_remote_restart (void);
-
-static void extended_remote_mourn (void);
-
-static void extended_remote_create_inferior (char *, char *, char **);
-static void extended_remote_async_create_inferior (char *, char *, char **);
-
-static void remote_mourn_1 (struct target_ops *);
-
-static void remote_send (char *buf, long sizeof_buf);
-
-static int readchar (int timeout);
-
-static ptid_t remote_wait (ptid_t ptid,
-                                 struct target_waitstatus *status);
-static ptid_t remote_async_wait (ptid_t ptid,
-                                       struct target_waitstatus *status);
-
-static void remote_kill (void);
-static void remote_async_kill (void);
-
-static int tohex (int nib);
-
-static void remote_detach (char *args, int from_tty);
-static void remote_async_detach (char *args, int from_tty);
-
-static void remote_interrupt (int signo);
-
-static void remote_interrupt_twice (int signo);
-
-static void interrupt_query (void);
-
-static void set_thread (int, int);
-
-static int remote_thread_alive (ptid_t);
-
-static void get_offsets (void);
-
-static long read_frame (char *buf, long sizeof_buf);
-
-static int remote_insert_breakpoint (CORE_ADDR, char *);
-
-static int remote_remove_breakpoint (CORE_ADDR, char *);
-
-static int hexnumlen (ULONGEST num);
-
-static void init_remote_ops (void);
-
-static void init_extended_remote_ops (void);
-
-static void init_remote_cisco_ops (void);
-
-static struct target_ops remote_cisco_ops;
-
-static void remote_stop (void);
-
-static int ishex (int ch, int *val);
-
-static int stubhex (int ch);
-
-static int remote_query (int /*char */ , char *, char *, int *);
-
-static int hexnumstr (char *, ULONGEST);
-
-static int hexnumnstr (char *, ULONGEST, int);
-
-static CORE_ADDR remote_address_masked (CORE_ADDR);
-
-static void print_packet (char *);
-
-static unsigned long crc32 (unsigned char *, int, unsigned int);
-
-static void compare_sections_command (char *, int);
-
-static void packet_command (char *, int);
-
-static int stub_unpack_int (char *buff, int fieldlength);
-
-static ptid_t remote_current_thread (ptid_t oldptid);
-
-static void remote_find_new_threads (void);
-
-static void record_currthread (int currthread);
-
-static int fromhex (int a);
-
-static int hex2bin (const char *hex, char *bin, int count);
-
-static int bin2hex (const char *bin, char *hex, int count);
-
-static int putpkt_binary (char *buf, int cnt);
-
-static void check_binary_download (CORE_ADDR addr);
-
-struct packet_config;
-
-static void show_packet_config_cmd (struct packet_config *config);
-
-static void update_packet_config (struct packet_config *config);
-
-void _initialize_remote (void);
-
-/* Description of the remote protocol.  Strictly speaking, when the
-   target is open()ed, remote.c should create a per-target description
-   of the remote protocol using that target's architecture.
-   Unfortunatly, the target stack doesn't include local state.  For
-   the moment keep the information in the target's architecture
-   object.  Sigh..  */
-
-struct packet_reg
-{
-  long offset; /* Offset into G packet.  */
-  long regnum; /* GDB's internal register number.  */
-  LONGEST pnum; /* Remote protocol register number.  */
-  int in_g_packet; /* Always part of G packet.  */
-  /* long size in bytes;  == REGISTER_RAW_SIZE (regnum); at present.  */
-  /* char *name; == REGISTER_NAME (regnum); at present.  */
-};
-
-struct remote_state
-{
-  /* Description of the remote protocol registers.  */
-  long sizeof_g_packet;
-
-  /* Description of the remote protocol registers indexed by REGNUM
-     (making an array of NUM_REGS + NUM_PSEUDO_REGS in size).  */
-  struct packet_reg *regs;
-
-  /* This is the size (in chars) of the first response to the ``g''
-     packet.  It is used as a heuristic when determining the maximum
-     size of memory-read and memory-write packets.  A target will
-     typically only reserve a buffer large enough to hold the ``g''
-     packet.  The size does not include packet overhead (headers and
-     trailers). */
-  long actual_register_packet_size;
-
-  /* This is the maximum size (in chars) of a non read/write packet.
-     It is also used as a cap on the size of read/write packets. */
-  long remote_packet_size;
-};
-
-
-/* Handle for retreving the remote protocol data from gdbarch.  */
-static struct gdbarch_data *remote_gdbarch_data_handle;
-
-static struct remote_state *
-get_remote_state (void)
-{
-  return gdbarch_data (current_gdbarch, remote_gdbarch_data_handle);
-}
-
-static void *
-init_remote_state (struct gdbarch *gdbarch)
-{
-  int regnum;
-  struct remote_state *rs = xmalloc (sizeof (struct remote_state));
-
-  /* Start out by having the remote protocol mimic the existing
-     behavour - just copy in the description of the register cache.  */
-  rs->sizeof_g_packet = REGISTER_BYTES; /* OK use.   */
-
-  /* Assume a 1:1 regnum<->pnum table.  */
-  rs->regs = xcalloc (NUM_REGS + NUM_PSEUDO_REGS, sizeof (struct packet_reg));
-  for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++)
-    {
-      struct packet_reg *r = &rs->regs[regnum];
-      r->pnum = regnum;
-      r->regnum = regnum;
-      r->offset = REGISTER_BYTE (regnum);
-      r->in_g_packet = (regnum < NUM_REGS);
-      /* ...size = REGISTER_RAW_SIZE (regnum); */
-      /* ...name = REGISTER_NAME (regnum); */
-    }
-
-  /* Default maximum number of characters in a packet body. Many
-     remote stubs have a hardwired buffer size of 400 bytes
-     (c.f. BUFMAX in m68k-stub.c and i386-stub.c).  BUFMAX-1 is used
-     as the maximum packet-size to ensure that the packet and an extra
-     NUL character can always fit in the buffer.  This stops GDB
-     trashing stubs that try to squeeze an extra NUL into what is
-     already a full buffer (As of 1999-12-04 that was most stubs. */
-  rs->remote_packet_size = 400 - 1;
-
-  /* Should rs->sizeof_g_packet needs more space than the
-     default, adjust the size accordingly. Remember that each byte is
-     encoded as two characters. 32 is the overhead for the packet
-     header / footer. NOTE: cagney/1999-10-26: I suspect that 8
-     (``$NN:G...#NN'') is a better guess, the below has been padded a
-     little. */
-  if (rs->sizeof_g_packet > ((rs->remote_packet_size - 32) / 2))
-    rs->remote_packet_size = (rs->sizeof_g_packet * 2 + 32);
-  
-  /* This one is filled in when a ``g'' packet is received. */
-  rs->actual_register_packet_size = 0;
-
-  return rs;
-}
-
-static void
-free_remote_state (struct gdbarch *gdbarch, void *pointer)
-{
-  struct remote_state *data = pointer;
-  xfree (data->regs);
-  xfree (data);
-}
-
-static struct packet_reg *
-packet_reg_from_regnum (struct remote_state *rs, long regnum)
-{
-  if (regnum < 0 && regnum >= NUM_REGS + NUM_PSEUDO_REGS)
-    return NULL;
-  else
-    {
-      struct packet_reg *r = &rs->regs[regnum];
-      gdb_assert (r->regnum == regnum);
-      return r;
-    }
-}
-
-static struct packet_reg *
-packet_reg_from_pnum (struct remote_state *rs, LONGEST pnum)
-{
-  int i;
-  for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
-    {
-      struct packet_reg *r = &rs->regs[i];
-      if (r->pnum == pnum)
-	return r;
-    }
-  return NULL;
-}
-
-/* FIXME: graces/2002-08-08: These variables should eventually be
-   bound to an instance of the target object (as in gdbarch-tdep()),
-   when such a thing exists.  */
-
-/* This is set to the data address of the access causing the target
-   to stop for a watchpoint.  */
-static CORE_ADDR remote_watch_data_address;
-
-/* This is non-zero if taregt stopped for a watchpoint. */
-static int remote_stopped_by_watchpoint_p;
-
-
-static struct target_ops remote_ops;
-
-static struct target_ops extended_remote_ops;
-
-/* Temporary target ops. Just like the remote_ops and
-   extended_remote_ops, but with asynchronous support. */
-static struct target_ops remote_async_ops;
-
-static struct target_ops extended_async_remote_ops;
-
-/* FIXME: cagney/1999-09-23: Even though getpkt was called with
-   ``forever'' still use the normal timeout mechanism.  This is
-   currently used by the ASYNC code to guarentee that target reads
-   during the initial connect always time-out.  Once getpkt has been
-   modified to return a timeout indication and, in turn
-   remote_wait()/wait_for_inferior() have gained a timeout parameter
-   this can go away. */
-static int wait_forever_enabled_p = 1;
-
-
-/* This variable chooses whether to send a ^C or a break when the user
-   requests program interruption.  Although ^C is usually what remote
-   systems expect, and that is the default here, sometimes a break is
-   preferable instead.  */
-
-static int remote_break;
-
-/* Descriptor for I/O to remote machine.  Initialize it to NULL so that
-   remote_open knows that we don't have a file open when the program
-   starts.  */
-static struct serial *remote_desc = NULL;
-
-/* This is set by the target (thru the 'S' message)
-   to denote that the target is in kernel mode.  */
-static int cisco_kernel_mode = 0;
-
-/* This variable sets the number of bits in an address that are to be
-   sent in a memory ("M" or "m") packet.  Normally, after stripping
-   leading zeros, the entire address would be sent. This variable
-   restricts the address to REMOTE_ADDRESS_SIZE bits.  HISTORY: The
-   initial implementation of remote.c restricted the address sent in
-   memory packets to ``host::sizeof long'' bytes - (typically 32
-   bits).  Consequently, for 64 bit targets, the upper 32 bits of an
-   address was never sent.  Since fixing this bug may cause a break in
-   some remote targets this variable is principly provided to
-   facilitate backward compatibility. */
-
-static int remote_address_size;
-
-/* Tempoary to track who currently owns the terminal.  See
-   target_async_terminal_* for more details.  */
-
-static int remote_async_terminal_ours_p;
-
-
-/* User configurable variables for the number of characters in a
-   memory read/write packet.  MIN ((rs->remote_packet_size),
-   rs->sizeof_g_packet) is the default.  Some targets need smaller
-   values (fifo overruns, et.al.)  and some users need larger values
-   (speed up transfers).  The variables ``preferred_*'' (the user
-   request), ``current_*'' (what was actually set) and ``forced_*''
-   (Positive - a soft limit, negative - a hard limit). */
-
-struct memory_packet_config
-{
-  char *name;
-  long size;
-  int fixed_p;
-};
-
-/* Compute the current size of a read/write packet.  Since this makes
-   use of ``actual_register_packet_size'' the computation is dynamic.  */
-
-static long
-get_memory_packet_size (struct memory_packet_config *config)
-{
-  struct remote_state *rs = get_remote_state ();
-  /* NOTE: The somewhat arbitrary 16k comes from the knowledge (folk
-     law?) that some hosts don't cope very well with large alloca()
-     calls.  Eventually the alloca() code will be replaced by calls to
-     xmalloc() and make_cleanups() allowing this restriction to either
-     be lifted or removed. */
-#ifndef MAX_REMOTE_PACKET_SIZE
-#define MAX_REMOTE_PACKET_SIZE 16384
-#endif
-  /* NOTE: 16 is just chosen at random. */
-#ifndef MIN_REMOTE_PACKET_SIZE
-#define MIN_REMOTE_PACKET_SIZE 16
-#endif
-  long what_they_get;
-  if (config->fixed_p)
-    {
-      if (config->size <= 0)
-	what_they_get = MAX_REMOTE_PACKET_SIZE;
-      else
-	what_they_get = config->size;
-    }
-  else
-    {
-      what_they_get = (rs->remote_packet_size);
-      /* Limit the packet to the size specified by the user. */
-      if (config->size > 0
-	  && what_they_get > config->size)
-	what_they_get = config->size;
-      /* Limit it to the size of the targets ``g'' response. */
-      if ((rs->actual_register_packet_size) > 0
-	  && what_they_get > (rs->actual_register_packet_size))
-	what_they_get = (rs->actual_register_packet_size);
-    }
-  if (what_they_get > MAX_REMOTE_PACKET_SIZE)
-    what_they_get = MAX_REMOTE_PACKET_SIZE;
-  if (what_they_get < MIN_REMOTE_PACKET_SIZE)
-    what_they_get = MIN_REMOTE_PACKET_SIZE;
-  return what_they_get;
-}
-
-/* Update the size of a read/write packet. If they user wants
-   something really big then do a sanity check. */
-
-static void
-set_memory_packet_size (char *args, struct memory_packet_config *config)
-{
-  int fixed_p = config->fixed_p;
-  long size = config->size;
-  if (args == NULL)
-    error ("Argument required (integer, `fixed' or `limited').");
-  else if (strcmp (args, "hard") == 0
-      || strcmp (args, "fixed") == 0)
-    fixed_p = 1;
-  else if (strcmp (args, "soft") == 0
-	   || strcmp (args, "limit") == 0)
-    fixed_p = 0;
-  else
-    {
-      char *end;
-      size = strtoul (args, &end, 0);
-      if (args == end)
-	error ("Invalid %s (bad syntax).", config->name);
-#if 0
-      /* Instead of explicitly capping the size of a packet to
-         MAX_REMOTE_PACKET_SIZE or dissallowing it, the user is
-         instead allowed to set the size to something arbitrarily
-         large. */
-      if (size > MAX_REMOTE_PACKET_SIZE)
-	error ("Invalid %s (too large).", config->name);
-#endif
-    }
-  /* Extra checks? */
-  if (fixed_p && !config->fixed_p)
-    {
-      if (! query ("The target may not be able to correctly handle a %s\n"
-		   "of %ld bytes. Change the packet size? ",
-		   config->name, size))
-	error ("Packet size not changed.");
-    }
-  /* Update the config. */
-  config->fixed_p = fixed_p;
-  config->size = size;
-}
-
-static void
-show_memory_packet_size (struct memory_packet_config *config)
-{
-  printf_filtered ("The %s is %ld. ", config->name, config->size);
-  if (config->fixed_p)
-    printf_filtered ("Packets are fixed at %ld bytes.\n",
-		     get_memory_packet_size (config));
-  else
-    printf_filtered ("Packets are limited to %ld bytes.\n",
-		     get_memory_packet_size (config));
-}
-
-static struct memory_packet_config memory_write_packet_config =
-{
-  "memory-write-packet-size",
-};
-
-static void
-set_memory_write_packet_size (char *args, int from_tty)
-{
-  set_memory_packet_size (args, &memory_write_packet_config);
-}
-
-static void
-show_memory_write_packet_size (char *args, int from_tty)
-{
-  show_memory_packet_size (&memory_write_packet_config);
-}
-
-static long
-get_memory_write_packet_size (void)
-{
-  return get_memory_packet_size (&memory_write_packet_config);
-}
-
-static struct memory_packet_config memory_read_packet_config =
-{
-  "memory-read-packet-size",
-};
-
-static void
-set_memory_read_packet_size (char *args, int from_tty)
-{
-  set_memory_packet_size (args, &memory_read_packet_config);
-}
-
-static void
-show_memory_read_packet_size (char *args, int from_tty)
-{
-  show_memory_packet_size (&memory_read_packet_config);
-}
-
-static long
-get_memory_read_packet_size (void)
-{
-  struct remote_state *rs = get_remote_state ();
-  long size = get_memory_packet_size (&memory_read_packet_config);
-  /* FIXME: cagney/1999-11-07: Functions like getpkt() need to get an
-     extra buffer size argument before the memory read size can be
-     increased beyond (rs->remote_packet_size). */
-  if (size > (rs->remote_packet_size))
-    size = (rs->remote_packet_size);
-  return size;
-}
-
-
-/* Generic configuration support for packets the stub optionally
-   supports. Allows the user to specify the use of the packet as well
-   as allowing GDB to auto-detect support in the remote stub. */
-
-enum packet_support
-  {
-    PACKET_SUPPORT_UNKNOWN = 0,
-    PACKET_ENABLE,
-    PACKET_DISABLE
-  };
-
-struct packet_config
-  {
-    char *name;
-    char *title;
-    enum auto_boolean detect;
-    enum packet_support support;
-  };
-
-/* Analyze a packet's return value and update the packet config
-   accordingly. */
-
-enum packet_result
-{
-  PACKET_ERROR,
-  PACKET_OK,
-  PACKET_UNKNOWN
-};
-
-static void
-update_packet_config (struct packet_config *config)
-{
-  switch (config->detect)
-    {
-    case AUTO_BOOLEAN_TRUE:
-      config->support = PACKET_ENABLE;
-      break;
-    case AUTO_BOOLEAN_FALSE:
-      config->support = PACKET_DISABLE;
-      break;
-    case AUTO_BOOLEAN_AUTO:
-      config->support = PACKET_SUPPORT_UNKNOWN;
-      break;
-    }
-}
-
-static void
-show_packet_config_cmd (struct packet_config *config)
-{
-  char *support = "internal-error";
-  switch (config->support)
-    {
-    case PACKET_ENABLE:
-      support = "enabled";
-      break;
-    case PACKET_DISABLE:
-      support = "disabled";
-      break;
-    case PACKET_SUPPORT_UNKNOWN:
-      support = "unknown";
-      break;
-    }
-  switch (config->detect)
-    {
-    case AUTO_BOOLEAN_AUTO:
-      printf_filtered ("Support for remote protocol `%s' (%s) packet is auto-detected, currently %s.\n",
-		       config->name, config->title, support);
-      break;
-    case AUTO_BOOLEAN_TRUE:
-    case AUTO_BOOLEAN_FALSE:
-      printf_filtered ("Support for remote protocol `%s' (%s) packet is currently %s.\n",
-		       config->name, config->title, support);
-      break;
-    }
-}
-
-static void
-add_packet_config_cmd (struct packet_config *config,
-		       char *name,
-		       char *title,
-		       cmd_sfunc_ftype *set_func,
-		       cmd_sfunc_ftype *show_func,
-		       struct cmd_list_element **set_remote_list,
-		       struct cmd_list_element **show_remote_list,
-		       int legacy)
-{
-  struct cmd_list_element *set_cmd;
-  struct cmd_list_element *show_cmd;
-  char *set_doc;
-  char *show_doc;
-  char *cmd_name;
-  config->name = name;
-  config->title = title;
-  config->detect = AUTO_BOOLEAN_AUTO;
-  config->support = PACKET_SUPPORT_UNKNOWN;
-  xasprintf (&set_doc, "Set use of remote protocol `%s' (%s) packet",
-	     name, title);
-  xasprintf (&show_doc, "Show current use of remote protocol `%s' (%s) packet",
-	     name, title);
-  /* set/show TITLE-packet {auto,on,off} */
-  xasprintf (&cmd_name, "%s-packet", title);
-  add_setshow_auto_boolean_cmd (cmd_name, class_obscure,
-				&config->detect, set_doc, show_doc,
-				set_func, show_func,
-				set_remote_list, show_remote_list);
-  /* set/show remote NAME-packet {auto,on,off} -- legacy */
-  if (legacy)
-    {
-      char *legacy_name;
-      xasprintf (&legacy_name, "%s-packet", name);
-      add_alias_cmd (legacy_name, cmd_name, class_obscure, 0,
-		     set_remote_list);
-      add_alias_cmd (legacy_name, cmd_name, class_obscure, 0,
-		     show_remote_list);
-    }
-}
-
-static enum packet_result
-packet_ok (const char *buf, struct packet_config *config)
-{
-  if (buf[0] != '\0')
-    {
-      /* The stub recognized the packet request.  Check that the
-	 operation succeeded. */
-      switch (config->support)
-	{
-	case PACKET_SUPPORT_UNKNOWN:
-	  if (remote_debug)
-	    fprintf_unfiltered (gdb_stdlog,
-				    "Packet %s (%s) is supported\n",
-				    config->name, config->title);
-	  config->support = PACKET_ENABLE;
-	  break;
-	case PACKET_DISABLE:
-	  internal_error (__FILE__, __LINE__,
-			  "packet_ok: attempt to use a disabled packet");
-	  break;
-	case PACKET_ENABLE:
-	  break;
-	}
-      if (buf[0] == 'O' && buf[1] == 'K' && buf[2] == '\0')
-	/* "OK" - definitly OK. */
-	return PACKET_OK;
-      if (buf[0] == 'E'
-	  && isxdigit (buf[1]) && isxdigit (buf[2])
-	  && buf[3] == '\0')
-	/* "Enn"  - definitly an error. */
-	return PACKET_ERROR;
-      /* The packet may or may not be OK.  Just assume it is */
-      return PACKET_OK;
-    }
-  else
-    {
-      /* The stub does not support the packet. */
-      switch (config->support)
-	{
-	case PACKET_ENABLE:
-	  if (config->detect == AUTO_BOOLEAN_AUTO)
-	    /* If the stub previously indicated that the packet was
-	       supported then there is a protocol error.. */
-	    error ("Protocol error: %s (%s) conflicting enabled responses.",
-		   config->name, config->title);
-	  else
-	    /* The user set it wrong. */
-	    error ("Enabled packet %s (%s) not recognized by stub",
-		   config->name, config->title);
-	  break;
-	case PACKET_SUPPORT_UNKNOWN:
-	  if (remote_debug)
-	    fprintf_unfiltered (gdb_stdlog,
-				"Packet %s (%s) is NOT supported\n",
-				config->name, config->title);
-	  config->support = PACKET_DISABLE;
-	  break;
-	case PACKET_DISABLE:
-	  break;
-	}
-      return PACKET_UNKNOWN;
-    }
-}
-
-/* Should we try the 'qSymbol' (target symbol lookup service) request? */
-static struct packet_config remote_protocol_qSymbol;
-
-static void
-set_remote_protocol_qSymbol_packet_cmd (char *args, int from_tty,
-				  struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_qSymbol);
-}
-
-static void
-show_remote_protocol_qSymbol_packet_cmd (char *args, int from_tty,
-					 struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_qSymbol);
-}
-
-/* Should we try the 'e' (step over range) request? */
-static struct packet_config remote_protocol_e;
-
-static void
-set_remote_protocol_e_packet_cmd (char *args, int from_tty,
-				  struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_e);
-}
-
-static void
-show_remote_protocol_e_packet_cmd (char *args, int from_tty,
-				   struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_e);
-}
-  
-
-/* Should we try the 'E' (step over range / w signal #) request? */
-static struct packet_config remote_protocol_E;
-
-static void
-set_remote_protocol_E_packet_cmd (char *args, int from_tty,
-				  struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_E);
-}
-
-static void
-show_remote_protocol_E_packet_cmd (char *args, int from_tty,
-				   struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_E);
-}
-  
-
-/* Should we try the 'P' (set register) request?  */
-
-static struct packet_config remote_protocol_P;
-
-static void
-set_remote_protocol_P_packet_cmd (char *args, int from_tty,
-				  struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_P);
-}
-
-static void
-show_remote_protocol_P_packet_cmd (char *args, int from_tty,
-				   struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_P);
-}
-
-/* Should we try one of the 'Z' requests?  */
-
-enum Z_packet_type
-{
-  Z_PACKET_SOFTWARE_BP,
-  Z_PACKET_HARDWARE_BP,
-  Z_PACKET_WRITE_WP,
-  Z_PACKET_READ_WP,
-  Z_PACKET_ACCESS_WP,
-  NR_Z_PACKET_TYPES
-};
-
-static struct packet_config remote_protocol_Z[NR_Z_PACKET_TYPES];
-
-/* FIXME: Instead of having all these boiler plate functions, the
-   command callback should include a context argument. */
-
-static void
-set_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty,
-					      struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP]);
-}
-
-static void
-show_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty,
-					       struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP]);
-}
-
-static void
-set_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty,
-					      struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_Z[Z_PACKET_HARDWARE_BP]);
-}
-
-static void
-show_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty,
-					       struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP]);
-}
-
-static void
-set_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty,
-					      struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_Z[Z_PACKET_WRITE_WP]);
-}
-
-static void
-show_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty,
-					    struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP]);
-}
-
-static void
-set_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty,
-					      struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_Z[Z_PACKET_READ_WP]);
-}
-
-static void
-show_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty,
-					   struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP]);
-}
-
-static void
-set_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty,
-					      struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_Z[Z_PACKET_ACCESS_WP]);
-}
-
-static void
-show_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty,
-					     struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP]);
-}
-
-/* For compatibility with older distributions.  Provide a ``set remote
-   Z-packet ...'' command that updates all the Z packet types. */
-
-static enum auto_boolean remote_Z_packet_detect;
-
-static void
-set_remote_protocol_Z_packet_cmd (char *args, int from_tty,
-				  struct cmd_list_element *c)
-{
-  int i;
-  for (i = 0; i < NR_Z_PACKET_TYPES; i++)
-    {
-      remote_protocol_Z[i].detect = remote_Z_packet_detect;
-      update_packet_config (&remote_protocol_Z[i]);
-    }
-}
-
-static void
-show_remote_protocol_Z_packet_cmd (char *args, int from_tty,
-				   struct cmd_list_element *c)
-{
-  int i;
-  for (i = 0; i < NR_Z_PACKET_TYPES; i++)
-    {
-      show_packet_config_cmd (&remote_protocol_Z[i]);
-    }
-}
-
-/* Should we try the 'X' (remote binary download) packet?
-
-   This variable (available to the user via "set remote X-packet")
-   dictates whether downloads are sent in binary (via the 'X' packet).
-   We assume that the stub can, and attempt to do it. This will be
-   cleared if the stub does not understand it. This switch is still
-   needed, though in cases when the packet is supported in the stub,
-   but the connection does not allow it (i.e., 7-bit serial connection
-   only). */
-
-static struct packet_config remote_protocol_binary_download;
-
-/* Should we try the 'ThreadInfo' query packet?
-
-   This variable (NOT available to the user: auto-detect only!)
-   determines whether GDB will use the new, simpler "ThreadInfo"
-   query or the older, more complex syntax for thread queries.
-   This is an auto-detect variable (set to true at each connect, 
-   and set to false when the target fails to recognize it).  */
-
-static int use_threadinfo_query;
-static int use_threadextra_query;
-
-static void
-set_remote_protocol_binary_download_cmd (char *args,
-					 int from_tty,
-					 struct cmd_list_element *c)
-{
-  update_packet_config (&remote_protocol_binary_download);
-}
-
-static void
-show_remote_protocol_binary_download_cmd (char *args, int from_tty,
-					  struct cmd_list_element *c)
-{
-  show_packet_config_cmd (&remote_protocol_binary_download);
-}
-
-
-/* Tokens for use by the asynchronous signal handlers for SIGINT */
-static void *sigint_remote_twice_token;
-static void *sigint_remote_token;
-
-/* These are pointers to hook functions that may be set in order to
-   modify resume/wait behavior for a particular architecture.  */
-
-void (*target_resume_hook) (void);
-void (*target_wait_loop_hook) (void);
-
-
-
-/* These are the threads which we last sent to the remote system.
-   -1 for all or -2 for not sent yet.  */
-static int general_thread;
-static int continue_thread;
-
-/* Call this function as a result of
-   1) A halt indication (T packet) containing a thread id
-   2) A direct query of currthread
-   3) Successful execution of set thread
- */
-
-static void
-record_currthread (int currthread)
-{
-  general_thread = currthread;
-
-  /* If this is a new thread, add it to GDB's thread list.
-     If we leave it up to WFI to do this, bad things will happen.  */
-  if (!in_thread_list (pid_to_ptid (currthread)))
-    {
-      add_thread (pid_to_ptid (currthread));
-      ui_out_text (uiout, "[New ");
-      ui_out_text (uiout, target_pid_to_str (pid_to_ptid (currthread)));
-      ui_out_text (uiout, "]\n");
-    }
-}
-
-#define MAGIC_NULL_PID 42000
-
-static void
-set_thread (int th, int gen)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  int state = gen ? general_thread : continue_thread;
-
-  if (state == th)
-    return;
-
-  buf[0] = 'H';
-  buf[1] = gen ? 'g' : 'c';
-  if (th == MAGIC_NULL_PID)
-    {
-      buf[2] = '0';
-      buf[3] = '\0';
-    }
-  else if (th < 0)
-    sprintf (&buf[2], "-%x", -th);
-  else
-    sprintf (&buf[2], "%x", th);
-  putpkt (buf);
-  getpkt (buf, (rs->remote_packet_size), 0);
-  if (gen)
-    general_thread = th;
-  else
-    continue_thread = th;
-}
-
-/*  Return nonzero if the thread TH is still alive on the remote system.  */
-
-static int
-remote_thread_alive (ptid_t ptid)
-{
-  int tid = PIDGET (ptid);
-  char buf[16];
-
-  if (tid < 0)
-    sprintf (buf, "T-%08x", -tid);
-  else
-    sprintf (buf, "T%08x", tid);
-  putpkt (buf);
-  getpkt (buf, sizeof (buf), 0);
-  return (buf[0] == 'O' && buf[1] == 'K');
-}
-
-/* About these extended threadlist and threadinfo packets.  They are
-   variable length packets but, the fields within them are often fixed
-   length.  They are redundent enough to send over UDP as is the
-   remote protocol in general.  There is a matching unit test module
-   in libstub.  */
-
-#define OPAQUETHREADBYTES 8
-
-/* a 64 bit opaque identifier */
-typedef unsigned char threadref[OPAQUETHREADBYTES];
-
-/* WARNING: This threadref data structure comes from the remote O.S., libstub
-   protocol encoding, and remote.c. it is not particularly changable */
-
-/* Right now, the internal structure is int. We want it to be bigger.
-   Plan to fix this.
- */
-
-typedef int gdb_threadref;	/* internal GDB thread reference */
-
-/* gdb_ext_thread_info is an internal GDB data structure which is
-   equivalint to the reply of the remote threadinfo packet */
-
-struct gdb_ext_thread_info
-  {
-    threadref threadid;		/* External form of thread reference */
-    int active;			/* Has state interesting to GDB? , regs, stack */
-    char display[256];		/* Brief state display, name, blocked/syspended */
-    char shortname[32];		/* To be used to name threads */
-    char more_display[256];	/* Long info, statistics, queue depth, whatever */
-  };
-
-/* The volume of remote transfers can be limited by submitting
-   a mask containing bits specifying the desired information.
-   Use a union of these values as the 'selection' parameter to
-   get_thread_info. FIXME: Make these TAG names more thread specific.
- */
-
-#define TAG_THREADID 1
-#define TAG_EXISTS 2
-#define TAG_DISPLAY 4
-#define TAG_THREADNAME 8
-#define TAG_MOREDISPLAY 16
-
-#define BUF_THREAD_ID_SIZE (OPAQUETHREADBYTES*2)
-
-char *unpack_varlen_hex (char *buff, ULONGEST *result);
-
-static char *unpack_nibble (char *buf, int *val);
-
-static char *pack_nibble (char *buf, int nibble);
-
-static char *pack_hex_byte (char *pkt, int /*unsigned char */ byte);
-
-static char *unpack_byte (char *buf, int *value);
-
-static char *pack_int (char *buf, int value);
-
-static char *unpack_int (char *buf, int *value);
-
-static char *unpack_string (char *src, char *dest, int length);
-
-static char *pack_threadid (char *pkt, threadref * id);
-
-static char *unpack_threadid (char *inbuf, threadref * id);
-
-void int_to_threadref (threadref * id, int value);
-
-static int threadref_to_int (threadref * ref);
-
-static void copy_threadref (threadref * dest, threadref * src);
-
-static int threadmatch (threadref * dest, threadref * src);
-
-static char *pack_threadinfo_request (char *pkt, int mode, threadref * id);
-
-static int remote_unpack_thread_info_response (char *pkt,
-					       threadref * expectedref,
-					       struct gdb_ext_thread_info
-					       *info);
-
-
-static int remote_get_threadinfo (threadref * threadid, int fieldset,	/*TAG mask */
-				  struct gdb_ext_thread_info *info);
-
-static int adapt_remote_get_threadinfo (gdb_threadref * ref,
-					int selection,
-					struct gdb_ext_thread_info *info);
-
-static char *pack_threadlist_request (char *pkt, int startflag,
-				      int threadcount,
-				      threadref * nextthread);
-
-static int parse_threadlist_response (char *pkt,
-				      int result_limit,
-				      threadref * original_echo,
-				      threadref * resultlist, int *doneflag);
-
-static int remote_get_threadlist (int startflag,
-				  threadref * nextthread,
-				  int result_limit,
-				  int *done,
-				  int *result_count, threadref * threadlist);
-
-typedef int (*rmt_thread_action) (threadref * ref, void *context);
-
-static int remote_threadlist_iterator (rmt_thread_action stepfunction,
-				       void *context, int looplimit);
-
-static int remote_newthread_step (threadref * ref, void *context);
-
-/* encode 64 bits in 16 chars of hex */
-
-static const char hexchars[] = "0123456789abcdef";
-
-static int
-ishex (int ch, int *val)
-{
-  if ((ch >= 'a') && (ch <= 'f'))
-    {
-      *val = ch - 'a' + 10;
-      return 1;
-    }
-  if ((ch >= 'A') && (ch <= 'F'))
-    {
-      *val = ch - 'A' + 10;
-      return 1;
-    }
-  if ((ch >= '0') && (ch <= '9'))
-    {
-      *val = ch - '0';
-      return 1;
-    }
-  return 0;
-}
-
-static int
-stubhex (int ch)
-{
-  if (ch >= 'a' && ch <= 'f')
-    return ch - 'a' + 10;
-  if (ch >= '0' && ch <= '9')
-    return ch - '0';
-  if (ch >= 'A' && ch <= 'F')
-    return ch - 'A' + 10;
-  return -1;
-}
-
-static int
-stub_unpack_int (char *buff, int fieldlength)
-{
-  int nibble;
-  int retval = 0;
-
-  while (fieldlength)
-    {
-      nibble = stubhex (*buff++);
-      retval |= nibble;
-      fieldlength--;
-      if (fieldlength)
-	retval = retval << 4;
-    }
-  return retval;
-}
-
-char *
-unpack_varlen_hex (char *buff,	/* packet to parse */
-		   ULONGEST *result)
-{
-  int nibble;
-  int retval = 0;
-
-  while (ishex (*buff, &nibble))
-    {
-      buff++;
-      retval = retval << 4;
-      retval |= nibble & 0x0f;
-    }
-  *result = retval;
-  return buff;
-}
-
-static char *
-unpack_nibble (char *buf, int *val)
-{
-  ishex (*buf++, val);
-  return buf;
-}
-
-static char *
-pack_nibble (char *buf, int nibble)
-{
-  *buf++ = hexchars[(nibble & 0x0f)];
-  return buf;
-}
-
-static char *
-pack_hex_byte (char *pkt, int byte)
-{
-  *pkt++ = hexchars[(byte >> 4) & 0xf];
-  *pkt++ = hexchars[(byte & 0xf)];
-  return pkt;
-}
-
-static char *
-unpack_byte (char *buf, int *value)
-{
-  *value = stub_unpack_int (buf, 2);
-  return buf + 2;
-}
-
-static char *
-pack_int (char *buf, int value)
-{
-  buf = pack_hex_byte (buf, (value >> 24) & 0xff);
-  buf = pack_hex_byte (buf, (value >> 16) & 0xff);
-  buf = pack_hex_byte (buf, (value >> 8) & 0x0ff);
-  buf = pack_hex_byte (buf, (value & 0xff));
-  return buf;
-}
-
-static char *
-unpack_int (char *buf, int *value)
-{
-  *value = stub_unpack_int (buf, 8);
-  return buf + 8;
-}
-
-#if 0				/* currently unused, uncomment when needed */
-static char *pack_string (char *pkt, char *string);
-
-static char *
-pack_string (char *pkt, char *string)
-{
-  char ch;
-  int len;
-
-  len = strlen (string);
-  if (len > 200)
-    len = 200;			/* Bigger than most GDB packets, junk??? */
-  pkt = pack_hex_byte (pkt, len);
-  while (len-- > 0)
-    {
-      ch = *string++;
-      if ((ch == '\0') || (ch == '#'))
-	ch = '*';		/* Protect encapsulation */
-      *pkt++ = ch;
-    }
-  return pkt;
-}
-#endif /* 0 (unused) */
-
-static char *
-unpack_string (char *src, char *dest, int length)
-{
-  while (length--)
-    *dest++ = *src++;
-  *dest = '\0';
-  return src;
-}
-
-static char *
-pack_threadid (char *pkt, threadref *id)
-{
-  char *limit;
-  unsigned char *altid;
-
-  altid = (unsigned char *) id;
-  limit = pkt + BUF_THREAD_ID_SIZE;
-  while (pkt < limit)
-    pkt = pack_hex_byte (pkt, *altid++);
-  return pkt;
-}
-
-
-static char *
-unpack_threadid (char *inbuf, threadref *id)
-{
-  char *altref;
-  char *limit = inbuf + BUF_THREAD_ID_SIZE;
-  int x, y;
-
-  altref = (char *) id;
-
-  while (inbuf < limit)
-    {
-      x = stubhex (*inbuf++);
-      y = stubhex (*inbuf++);
-      *altref++ = (x << 4) | y;
-    }
-  return inbuf;
-}
-
-/* Externally, threadrefs are 64 bits but internally, they are still
-   ints. This is due to a mismatch of specifications.  We would like
-   to use 64bit thread references internally.  This is an adapter
-   function.  */
-
-void
-int_to_threadref (threadref *id, int value)
-{
-  unsigned char *scan;
-
-  scan = (unsigned char *) id;
-  {
-    int i = 4;
-    while (i--)
-      *scan++ = 0;
-  }
-  *scan++ = (value >> 24) & 0xff;
-  *scan++ = (value >> 16) & 0xff;
-  *scan++ = (value >> 8) & 0xff;
-  *scan++ = (value & 0xff);
-}
-
-static int
-threadref_to_int (threadref *ref)
-{
-  int i, value = 0;
-  unsigned char *scan;
-
-  scan = (char *) ref;
-  scan += 4;
-  i = 4;
-  while (i-- > 0)
-    value = (value << 8) | ((*scan++) & 0xff);
-  return value;
-}
-
-static void
-copy_threadref (threadref *dest, threadref *src)
-{
-  int i;
-  unsigned char *csrc, *cdest;
-
-  csrc = (unsigned char *) src;
-  cdest = (unsigned char *) dest;
-  i = 8;
-  while (i--)
-    *cdest++ = *csrc++;
-}
-
-static int
-threadmatch (threadref *dest, threadref *src)
-{
-  /* things are broken right now, so just assume we got a match */
-#if 0
-  unsigned char *srcp, *destp;
-  int i, result;
-  srcp = (char *) src;
-  destp = (char *) dest;
-
-  result = 1;
-  while (i-- > 0)
-    result &= (*srcp++ == *destp++) ? 1 : 0;
-  return result;
-#endif
-  return 1;
-}
-
-/*
-   threadid:1,        # always request threadid
-   context_exists:2,
-   display:4,
-   unique_name:8,
-   more_display:16
- */
-
-/* Encoding:  'Q':8,'P':8,mask:32,threadid:64 */
-
-static char *
-pack_threadinfo_request (char *pkt, int mode, threadref *id)
-{
-  *pkt++ = 'q';			/* Info Query */
-  *pkt++ = 'P';			/* process or thread info */
-  pkt = pack_int (pkt, mode);	/* mode */
-  pkt = pack_threadid (pkt, id);	/* threadid */
-  *pkt = '\0';			/* terminate */
-  return pkt;
-}
-
-/* These values tag the fields in a thread info response packet */
-/* Tagging the fields allows us to request specific fields and to
-   add more fields as time goes by */
-
-#define TAG_THREADID 1		/* Echo the thread identifier */
-#define TAG_EXISTS 2		/* Is this process defined enough to
-				   fetch registers and its stack */
-#define TAG_DISPLAY 4		/* A short thing maybe to put on a window */
-#define TAG_THREADNAME 8	/* string, maps 1-to-1 with a thread is */
-#define TAG_MOREDISPLAY 16	/* Whatever the kernel wants to say about 
-				   the process */
-
-static int
-remote_unpack_thread_info_response (char *pkt, threadref *expectedref,
-				    struct gdb_ext_thread_info *info)
-{
-  struct remote_state *rs = get_remote_state ();
-  int mask, length;
-  unsigned int tag;
-  threadref ref;
-  char *limit = pkt + (rs->remote_packet_size);	/* plausable parsing limit */
-  int retval = 1;
-
-  /* info->threadid = 0; FIXME: implement zero_threadref */
-  info->active = 0;
-  info->display[0] = '\0';
-  info->shortname[0] = '\0';
-  info->more_display[0] = '\0';
-
-  /* Assume the characters indicating the packet type have been stripped */
-  pkt = unpack_int (pkt, &mask);	/* arg mask */
-  pkt = unpack_threadid (pkt, &ref);
-
-  if (mask == 0)
-    warning ("Incomplete response to threadinfo request\n");
-  if (!threadmatch (&ref, expectedref))
-    {				/* This is an answer to a different request */
-      warning ("ERROR RMT Thread info mismatch\n");
-      return 0;
-    }
-  copy_threadref (&info->threadid, &ref);
-
-  /* Loop on tagged fields , try to bail if somthing goes wrong */
-
-  while ((pkt < limit) && mask && *pkt)		/* packets are terminated with nulls */
-    {
-      pkt = unpack_int (pkt, &tag);	/* tag */
-      pkt = unpack_byte (pkt, &length);		/* length */
-      if (!(tag & mask))	/* tags out of synch with mask */
-	{
-	  warning ("ERROR RMT: threadinfo tag mismatch\n");
-	  retval = 0;
-	  break;
-	}
-      if (tag == TAG_THREADID)
-	{
-	  if (length != 16)
-	    {
-	      warning ("ERROR RMT: length of threadid is not 16\n");
-	      retval = 0;
-	      break;
-	    }
-	  pkt = unpack_threadid (pkt, &ref);
-	  mask = mask & ~TAG_THREADID;
-	  continue;
-	}
-      if (tag == TAG_EXISTS)
-	{
-	  info->active = stub_unpack_int (pkt, length);
-	  pkt += length;
-	  mask = mask & ~(TAG_EXISTS);
-	  if (length > 8)
-	    {
-	      warning ("ERROR RMT: 'exists' length too long\n");
-	      retval = 0;
-	      break;
-	    }
-	  continue;
-	}
-      if (tag == TAG_THREADNAME)
-	{
-	  pkt = unpack_string (pkt, &info->shortname[0], length);
-	  mask = mask & ~TAG_THREADNAME;
-	  continue;
-	}
-      if (tag == TAG_DISPLAY)
-	{
-	  pkt = unpack_string (pkt, &info->display[0], length);
-	  mask = mask & ~TAG_DISPLAY;
-	  continue;
-	}
-      if (tag == TAG_MOREDISPLAY)
-	{
-	  pkt = unpack_string (pkt, &info->more_display[0], length);
-	  mask = mask & ~TAG_MOREDISPLAY;
-	  continue;
-	}
-      warning ("ERROR RMT: unknown thread info tag\n");
-      break;			/* Not a tag we know about */
-    }
-  return retval;
-}
-
-static int
-remote_get_threadinfo (threadref *threadid, int fieldset,	/* TAG mask */
-		       struct gdb_ext_thread_info *info)
-{
-  struct remote_state *rs = get_remote_state ();
-  int result;
-  char *threadinfo_pkt = alloca (rs->remote_packet_size);
-
-  pack_threadinfo_request (threadinfo_pkt, fieldset, threadid);
-  putpkt (threadinfo_pkt);
-  getpkt (threadinfo_pkt, (rs->remote_packet_size), 0);
-  result = remote_unpack_thread_info_response (threadinfo_pkt + 2, threadid,
-					       info);
-  return result;
-}
-
-/* Unfortunately, 61 bit thread-ids are bigger than the internal
-   representation of a threadid.  */
-
-static int
-adapt_remote_get_threadinfo (gdb_threadref *ref, int selection,
-			     struct gdb_ext_thread_info *info)
-{
-  threadref lclref;
-
-  int_to_threadref (&lclref, *ref);
-  return remote_get_threadinfo (&lclref, selection, info);
-}
-
-/*    Format: i'Q':8,i"L":8,initflag:8,batchsize:16,lastthreadid:32   */
-
-static char *
-pack_threadlist_request (char *pkt, int startflag, int threadcount,
-			 threadref *nextthread)
-{
-  *pkt++ = 'q';			/* info query packet */
-  *pkt++ = 'L';			/* Process LIST or threadLIST request */
-  pkt = pack_nibble (pkt, startflag);	/* initflag 1 bytes */
-  pkt = pack_hex_byte (pkt, threadcount);	/* threadcount 2 bytes */
-  pkt = pack_threadid (pkt, nextthread);	/* 64 bit thread identifier */
-  *pkt = '\0';
-  return pkt;
-}
-
-/* Encoding:   'q':8,'M':8,count:16,done:8,argthreadid:64,(threadid:64)* */
-
-static int
-parse_threadlist_response (char *pkt, int result_limit,
-			   threadref *original_echo, threadref *resultlist,
-			   int *doneflag)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *limit;
-  int count, resultcount, done;
-
-  resultcount = 0;
-  /* Assume the 'q' and 'M chars have been stripped.  */
-  limit = pkt + ((rs->remote_packet_size) - BUF_THREAD_ID_SIZE);		/* done parse past here */
-  pkt = unpack_byte (pkt, &count);	/* count field */
-  pkt = unpack_nibble (pkt, &done);
-  /* The first threadid is the argument threadid.  */
-  pkt = unpack_threadid (pkt, original_echo);	/* should match query packet */
-  while ((count-- > 0) && (pkt < limit))
-    {
-      pkt = unpack_threadid (pkt, resultlist++);
-      if (resultcount++ >= result_limit)
-	break;
-    }
-  if (doneflag)
-    *doneflag = done;
-  return resultcount;
-}
-
-static int
-remote_get_threadlist (int startflag, threadref *nextthread, int result_limit,
-		       int *done, int *result_count, threadref *threadlist)
-{
-  struct remote_state *rs = get_remote_state ();
-  static threadref echo_nextthread;
-  char *threadlist_packet = alloca (rs->remote_packet_size);
-  char *t_response = alloca (rs->remote_packet_size);
-  int result = 1;
-
-  /* Trancate result limit to be smaller than the packet size */
-  if ((((result_limit + 1) * BUF_THREAD_ID_SIZE) + 10) >= (rs->remote_packet_size))
-    result_limit = ((rs->remote_packet_size) / BUF_THREAD_ID_SIZE) - 2;
-
-  pack_threadlist_request (threadlist_packet,
-			   startflag, result_limit, nextthread);
-  putpkt (threadlist_packet);
-  getpkt (t_response, (rs->remote_packet_size), 0);
-
-  *result_count =
-    parse_threadlist_response (t_response + 2, result_limit, &echo_nextthread,
-			       threadlist, done);
-
-  if (!threadmatch (&echo_nextthread, nextthread))
-    {
-      /* FIXME: This is a good reason to drop the packet */
-      /* Possably, there is a duplicate response */
-      /* Possabilities :
-         retransmit immediatly - race conditions
-         retransmit after timeout - yes
-         exit
-         wait for packet, then exit
-       */
-      warning ("HMM: threadlist did not echo arg thread, dropping it\n");
-      return 0;			/* I choose simply exiting */
-    }
-  if (*result_count <= 0)
-    {
-      if (*done != 1)
-	{
-	  warning ("RMT ERROR : failed to get remote thread list\n");
-	  result = 0;
-	}
-      return result;		/* break; */
-    }
-  if (*result_count > result_limit)
-    {
-      *result_count = 0;
-      warning ("RMT ERROR: threadlist response longer than requested\n");
-      return 0;
-    }
-  return result;
-}
-
-/* This is the interface between remote and threads, remotes upper interface */
-
-/* remote_find_new_threads retrieves the thread list and for each
-   thread in the list, looks up the thread in GDB's internal list,
-   ading the thread if it does not already exist.  This involves
-   getting partial thread lists from the remote target so, polling the
-   quit_flag is required.  */
-
-
-/* About this many threadisds fit in a packet. */
-
-#define MAXTHREADLISTRESULTS 32
-
-static int
-remote_threadlist_iterator (rmt_thread_action stepfunction, void *context,
-			    int looplimit)
-{
-  int done, i, result_count;
-  int startflag = 1;
-  int result = 1;
-  int loopcount = 0;
-  static threadref nextthread;
-  static threadref resultthreadlist[MAXTHREADLISTRESULTS];
-
-  done = 0;
-  while (!done)
-    {
-      if (loopcount++ > looplimit)
-	{
-	  result = 0;
-	  warning ("Remote fetch threadlist -infinite loop-\n");
-	  break;
-	}
-      if (!remote_get_threadlist (startflag, &nextthread, MAXTHREADLISTRESULTS,
-				  &done, &result_count, resultthreadlist))
-	{
-	  result = 0;
-	  break;
-	}
-      /* clear for later iterations */
-      startflag = 0;
-      /* Setup to resume next batch of thread references, set nextthread.  */
-      if (result_count >= 1)
-	copy_threadref (&nextthread, &resultthreadlist[result_count - 1]);
-      i = 0;
-      while (result_count--)
-	if (!(result = (*stepfunction) (&resultthreadlist[i++], context)))
-	  break;
-    }
-  return result;
-}
-
-static int
-remote_newthread_step (threadref *ref, void *context)
-{
-  ptid_t ptid;
-
-  ptid = pid_to_ptid (threadref_to_int (ref));
-
-  if (!in_thread_list (ptid))
-    add_thread (ptid);
-  return 1;			/* continue iterator */
-}
-
-#define CRAZY_MAX_THREADS 1000
-
-static ptid_t
-remote_current_thread (ptid_t oldpid)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-
-  putpkt ("qC");
-  getpkt (buf, (rs->remote_packet_size), 0);
-  if (buf[0] == 'Q' && buf[1] == 'C')
-    return pid_to_ptid (strtol (&buf[2], NULL, 16));
-  else
-    return oldpid;
-}
-
-/* Find new threads for info threads command.  
- * Original version, using John Metzler's thread protocol.  
- */
-
-static void
-remote_find_new_threads (void)
-{
-  remote_threadlist_iterator (remote_newthread_step, 0,
-			      CRAZY_MAX_THREADS);
-  if (PIDGET (inferior_ptid) == MAGIC_NULL_PID)	/* ack ack ack */
-    inferior_ptid = remote_current_thread (inferior_ptid);
-}
-
-/*
- * Find all threads for info threads command.
- * Uses new thread protocol contributed by Cisco.
- * Falls back and attempts to use the older method (above)
- * if the target doesn't respond to the new method.
- */
-
-static void
-remote_threads_info (void)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  char *bufp;
-  int tid;
-
-  if (remote_desc == 0)		/* paranoia */
-    error ("Command can only be used when connected to the remote target.");
-
-  if (use_threadinfo_query)
-    {
-      putpkt ("qfThreadInfo");
-      bufp = buf;
-      getpkt (bufp, (rs->remote_packet_size), 0);
-      if (bufp[0] != '\0')		/* q packet recognized */
-	{	
-	  while (*bufp++ == 'm')	/* reply contains one or more TID */
-	    {
-	      do
-		{
-		  tid = strtol (bufp, &bufp, 16);
-		  if (tid != 0 && !in_thread_list (pid_to_ptid (tid)))
-		    add_thread (pid_to_ptid (tid));
-		}
-	      while (*bufp++ == ',');	/* comma-separated list */
-	      putpkt ("qsThreadInfo");
-	      bufp = buf;
-	      getpkt (bufp, (rs->remote_packet_size), 0);
-	    }
-	  return;	/* done */
-	}
-    }
-
-  /* Else fall back to old method based on jmetzler protocol. */
-  use_threadinfo_query = 0;
-  remote_find_new_threads ();
-  return;
-}
-
-/* 
- * Collect a descriptive string about the given thread.
- * The target may say anything it wants to about the thread
- * (typically info about its blocked / runnable state, name, etc.).
- * This string will appear in the info threads display.
- * 
- * Optional: targets are not required to implement this function.
- */
-
-static char *
-remote_threads_extra_info (struct thread_info *tp)
-{
-  struct remote_state *rs = get_remote_state ();
-  int result;
-  int set;
-  threadref id;
-  struct gdb_ext_thread_info threadinfo;
-  static char display_buf[100];	/* arbitrary... */
-  char *bufp = alloca (rs->remote_packet_size);
-  int n = 0;                    /* position in display_buf */
-
-  if (remote_desc == 0)		/* paranoia */
-    internal_error (__FILE__, __LINE__,
-		    "remote_threads_extra_info");
-
-  if (use_threadextra_query)
-    {
-      sprintf (bufp, "qThreadExtraInfo,%x", PIDGET (tp->ptid));
-      putpkt (bufp);
-      getpkt (bufp, (rs->remote_packet_size), 0);
-      if (bufp[0] != 0)
-	{
-	  n = min (strlen (bufp) / 2, sizeof (display_buf));
-	  result = hex2bin (bufp, display_buf, n);
-	  display_buf [result] = '\0';
-	  return display_buf;
-	}
-    }
-
-  /* If the above query fails, fall back to the old method.  */
-  use_threadextra_query = 0;
-  set = TAG_THREADID | TAG_EXISTS | TAG_THREADNAME
-    | TAG_MOREDISPLAY | TAG_DISPLAY;
-  int_to_threadref (&id, PIDGET (tp->ptid));
-  if (remote_get_threadinfo (&id, set, &threadinfo))
-    if (threadinfo.active)
-      {
-	if (*threadinfo.shortname)
-	  n += sprintf(&display_buf[0], " Name: %s,", threadinfo.shortname);
-	if (*threadinfo.display)
-	  n += sprintf(&display_buf[n], " State: %s,", threadinfo.display);
-	if (*threadinfo.more_display)
-	  n += sprintf(&display_buf[n], " Priority: %s",
-		       threadinfo.more_display);
-
-	if (n > 0)
-	  {
-	    /* for purely cosmetic reasons, clear up trailing commas */
-	    if (',' == display_buf[n-1])
-	      display_buf[n-1] = ' ';
-	    return display_buf;
-	  }
-      }
-  return NULL;
-}
-
-
-
-/*  Restart the remote side; this is an extended protocol operation.  */
-
-static void
-extended_remote_restart (void)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-
-  /* Send the restart command; for reasons I don't understand the
-     remote side really expects a number after the "R".  */
-  buf[0] = 'R';
-  sprintf (&buf[1], "%x", 0);
-  putpkt (buf);
-
-  /* Now query for status so this looks just like we restarted
-     gdbserver from scratch.  */
-  putpkt ("?");
-  getpkt (buf, (rs->remote_packet_size), 0);
-}
-
-/* Clean up connection to a remote debugger.  */
-
-/* ARGSUSED */
-static void
-remote_close (int quitting)
-{
-  if (remote_desc)
-    serial_close (remote_desc);
-  remote_desc = NULL;
-}
-
-/* Query the remote side for the text, data and bss offsets. */
-
-static void
-get_offsets (void)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  char *ptr;
-  int lose;
-  CORE_ADDR text_addr, data_addr, bss_addr;
-  struct section_offsets *offs;
-
-  putpkt ("qOffsets");
-
-  getpkt (buf, (rs->remote_packet_size), 0);
-
-  if (buf[0] == '\000')
-    return;			/* Return silently.  Stub doesn't support
-				   this command. */
-  if (buf[0] == 'E')
-    {
-      warning ("Remote failure reply: %s", buf);
-      return;
-    }
-
-  /* Pick up each field in turn.  This used to be done with scanf, but
-     scanf will make trouble if CORE_ADDR size doesn't match
-     conversion directives correctly.  The following code will work
-     with any size of CORE_ADDR.  */
-  text_addr = data_addr = bss_addr = 0;
-  ptr = buf;
-  lose = 0;
-
-  if (strncmp (ptr, "Text=", 5) == 0)
-    {
-      ptr += 5;
-      /* Don't use strtol, could lose on big values.  */
-      while (*ptr && *ptr != ';')
-	text_addr = (text_addr << 4) + fromhex (*ptr++);
-    }
-  else
-    lose = 1;
-
-  if (!lose && strncmp (ptr, ";Data=", 6) == 0)
-    {
-      ptr += 6;
-      while (*ptr && *ptr != ';')
-	data_addr = (data_addr << 4) + fromhex (*ptr++);
-    }
-  else
-    lose = 1;
-
-  if (!lose && strncmp (ptr, ";Bss=", 5) == 0)
-    {
-      ptr += 5;
-      while (*ptr && *ptr != ';')
-	bss_addr = (bss_addr << 4) + fromhex (*ptr++);
-    }
-  else
-    lose = 1;
-
-  if (lose)
-    error ("Malformed response to offset query, %s", buf);
-
-  if (symfile_objfile == NULL)
-    return;
-
-  offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
-  memcpy (offs, symfile_objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
-
-  offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_addr;
-
-  /* This is a temporary kludge to force data and bss to use the same offsets
-     because that's what nlmconv does now.  The real solution requires changes
-     to the stub and remote.c that I don't have time to do right now.  */
-
-  offs->offsets[SECT_OFF_DATA (symfile_objfile)] = data_addr;
-  offs->offsets[SECT_OFF_BSS (symfile_objfile)] = data_addr;
-
-  objfile_relocate (symfile_objfile, offs);
-}
-
-/*
- * Cisco version of section offsets:
- *
- * Instead of having GDB query the target for the section offsets,
- * Cisco lets the target volunteer the information!  It's also in
- * a different format, so here are the functions that will decode
- * a section offset packet from a Cisco target.
- */
-
-/* 
- * Function: remote_cisco_section_offsets
- *
- * Returns:  zero for success, non-zero for failure 
- */
-
-static int
-remote_cisco_section_offsets (bfd_vma text_addr,
-			      bfd_vma data_addr,
-			      bfd_vma bss_addr,
-			      bfd_signed_vma *text_offs,
-			      bfd_signed_vma *data_offs,
-			      bfd_signed_vma *bss_offs)
-{
-  bfd_vma text_base, data_base, bss_base;
-  struct minimal_symbol *start;
-  asection *sect;
-  bfd *abfd;
-  int len;
-
-  if (symfile_objfile == NULL)
-    return -1;			/* no can do nothin' */
-
-  start = lookup_minimal_symbol ("_start", NULL, NULL);
-  if (start == NULL)
-    return -1;			/* Can't find "_start" symbol */
-
-  data_base = bss_base = 0;
-  text_base = SYMBOL_VALUE_ADDRESS (start);
-
-  abfd = symfile_objfile->obfd;
-  for (sect = abfd->sections;
-       sect != 0;
-       sect = sect->next)
-    {
-      const char *p = bfd_get_section_name (abfd, sect);
-      len = strlen (p);
-      if (strcmp (p + len - 4, "data") == 0)	/* ends in "data" */
-	if (data_base == 0 ||
-	    data_base > bfd_get_section_vma (abfd, sect))
-	  data_base = bfd_get_section_vma (abfd, sect);
-      if (strcmp (p + len - 3, "bss") == 0)	/* ends in "bss" */
-	if (bss_base == 0 ||
-	    bss_base > bfd_get_section_vma (abfd, sect))
-	  bss_base = bfd_get_section_vma (abfd, sect);
-    }
-  *text_offs = text_addr - text_base;
-  *data_offs = data_addr - data_base;
-  *bss_offs = bss_addr - bss_base;
-  if (remote_debug)
-    {
-      char tmp[128];
-
-      sprintf (tmp, "VMA:          text = 0x");
-      sprintf_vma (tmp + strlen (tmp), text_addr);
-      sprintf (tmp + strlen (tmp), " data = 0x");
-      sprintf_vma (tmp + strlen (tmp), data_addr);
-      sprintf (tmp + strlen (tmp), " bss = 0x");
-      sprintf_vma (tmp + strlen (tmp), bss_addr);
-      fprintf_filtered (gdb_stdlog, tmp);
-      fprintf_filtered (gdb_stdlog,
-			"Reloc offset: text = 0x%s data = 0x%s bss = 0x%s\n",
-			paddr_nz (*text_offs),
-			paddr_nz (*data_offs),
-			paddr_nz (*bss_offs));
-    }
-
-  return 0;
-}
-
-/*
- * Function: remote_cisco_objfile_relocate
- *
- * Relocate the symbol file for a remote target. 
- */
-
-void
-remote_cisco_objfile_relocate (bfd_signed_vma text_off, bfd_signed_vma data_off,
-			       bfd_signed_vma bss_off)
-{
-  struct section_offsets *offs;
-
-  if (text_off != 0 || data_off != 0 || bss_off != 0)
-    {
-      /* FIXME: This code assumes gdb-stabs.h is being used; it's
-         broken for xcoff, dwarf, sdb-coff, etc.  But there is no
-         simple canonical representation for this stuff.  */
-
-      offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
-      memcpy (offs, symfile_objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
-
-      offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_off;
-      offs->offsets[SECT_OFF_DATA (symfile_objfile)] = data_off;
-      offs->offsets[SECT_OFF_BSS (symfile_objfile)] = bss_off;
-
-      /* First call the standard objfile_relocate.  */
-      objfile_relocate (symfile_objfile, offs);
-
-      /* Now we need to fix up the section entries already attached to
-         the exec target.  These entries will control memory transfers
-         from the exec file.  */
-
-      exec_set_section_offsets (text_off, data_off, bss_off);
-    }
-}
-
-/* Stub for catch_errors.  */
-
-static int
-remote_start_remote_dummy (struct ui_out *uiout, void *dummy)
-{
-  start_remote ();		/* Initialize gdb process mechanisms */
-  /* NOTE: Return something >=0.  A -ve value is reserved for
-     catch_exceptions.  */
-  return 1;
-}
-
-static int
-remote_start_remote (struct ui_out *uiout, void *dummy)
-{
-  immediate_quit++;		/* Allow user to interrupt it */
-
-  /* Ack any packet which the remote side has already sent.  */
-  serial_write (remote_desc, "+", 1);
-
-  /* Let the stub know that we want it to return the thread.  */
-  set_thread (-1, 0);
-
-  inferior_ptid = remote_current_thread (inferior_ptid);
-
-  get_offsets ();		/* Get text, data & bss offsets */
-
-  putpkt ("?");			/* initiate a query from remote machine */
-  immediate_quit--;
-
-  /* NOTE: See comment above in remote_start_remote_dummy().  This
-     function returns something >=0.  */
-  return remote_start_remote_dummy (uiout, dummy);
-}
-
-/* Open a connection to a remote debugger.
-   NAME is the filename used for communication.  */
-
-static void
-remote_open (char *name, int from_tty)
-{
-  remote_open_1 (name, from_tty, &remote_ops, 0, 0);
-}
-
-/* Just like remote_open, but with asynchronous support. */
-static void
-remote_async_open (char *name, int from_tty)
-{
-  remote_open_1 (name, from_tty, &remote_async_ops, 0, 1);
-}
-
-/* Open a connection to a remote debugger using the extended
-   remote gdb protocol.  NAME is the filename used for communication.  */
-
-static void
-extended_remote_open (char *name, int from_tty)
-{
-  remote_open_1 (name, from_tty, &extended_remote_ops, 1 /*extended_p */,
-		 0 /* async_p */);
-}
-
-/* Just like extended_remote_open, but with asynchronous support. */
-static void
-extended_remote_async_open (char *name, int from_tty)
-{
-  remote_open_1 (name, from_tty, &extended_async_remote_ops,
-		 1 /*extended_p */, 1 /* async_p */);
-}
-
-/* Generic code for opening a connection to a remote target.  */
-
-static void
-init_all_packet_configs (void)
-{
-  int i;
-  update_packet_config (&remote_protocol_e);
-  update_packet_config (&remote_protocol_E);
-  update_packet_config (&remote_protocol_P);
-  update_packet_config (&remote_protocol_qSymbol);
-  for (i = 0; i < NR_Z_PACKET_TYPES; i++)
-    update_packet_config (&remote_protocol_Z[i]);
-  /* Force remote_write_bytes to check whether target supports binary
-     downloading. */
-  update_packet_config (&remote_protocol_binary_download);
-}
-
-/* Symbol look-up. */
-
-static void
-remote_check_symbols (struct objfile *objfile)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *msg, *reply, *tmp;
-  struct minimal_symbol *sym;
-  int end;
-
-  if (remote_protocol_qSymbol.support == PACKET_DISABLE)
-    return;
-
-  msg   = alloca (rs->remote_packet_size);
-  reply = alloca (rs->remote_packet_size);
-
-  /* Invite target to request symbol lookups. */
-
-  putpkt ("qSymbol::");
-  getpkt (reply, (rs->remote_packet_size), 0);
-  packet_ok (reply, &remote_protocol_qSymbol);
-
-  while (strncmp (reply, "qSymbol:", 8) == 0)
-    {
-      tmp = &reply[8];
-      end = hex2bin (tmp, msg, strlen (tmp) / 2);
-      msg[end] = '\0';
-      sym = lookup_minimal_symbol (msg, NULL, NULL);
-      if (sym == NULL)
-	sprintf (msg, "qSymbol::%s", &reply[8]);
-      else
-	sprintf (msg, "qSymbol:%s:%s", 
-		 paddr_nz (SYMBOL_VALUE_ADDRESS (sym)),
-		 &reply[8]);
-      putpkt (msg);
-      getpkt (reply, (rs->remote_packet_size), 0);
-    }
-}
-
-static struct serial *
-remote_serial_open (char *name)
-{
-  static int udp_warning = 0;
-
-  /* FIXME: Parsing NAME here is a hack.  But we want to warn here instead
-     of in ser-tcp.c, because it is the remote protocol assuming that the
-     serial connection is reliable and not the serial connection promising
-     to be.  */
-  if (!udp_warning && strncmp (name, "udp:", 4) == 0)
-    {
-      warning ("The remote protocol may be unreliable over UDP.");
-      warning ("Some events may be lost, rendering further debugging "
-	       "impossible.");
-      udp_warning = 1;
-    }
-
-  return serial_open (name);
-}
-
-static void
-remote_open_1 (char *name, int from_tty, struct target_ops *target,
-	       int extended_p, int async_p)
-{
-  int ex;
-  struct remote_state *rs = get_remote_state ();
-  if (name == 0)
-    error ("To open a remote debug connection, you need to specify what\n"
-	   "serial device is attached to the remote system\n"
-	   "(e.g. /dev/ttyS0, /dev/ttya, COM1, etc.).");
-
-  /* See FIXME above */
-  if (!async_p)
-    wait_forever_enabled_p = 1;
-
-  target_preopen (from_tty);
-
-  unpush_target (target);
-
-  remote_desc = remote_serial_open (name);
-  if (!remote_desc)
-    perror_with_name (name);
-
-  if (baud_rate != -1)
-    {
-      if (serial_setbaudrate (remote_desc, baud_rate))
-	{
-	  serial_close (remote_desc);
-	  perror_with_name (name);
-	}
-    }
-
-  serial_raw (remote_desc);
-
-  /* If there is something sitting in the buffer we might take it as a
-     response to a command, which would be bad.  */
-  serial_flush_input (remote_desc);
-
-  if (from_tty)
-    {
-      puts_filtered ("Remote debugging using ");
-      puts_filtered (name);
-      puts_filtered ("\n");
-    }
-  push_target (target);		/* Switch to using remote target now */
-
-  init_all_packet_configs ();
-  
-  general_thread = -2;
-  continue_thread = -2;
-
-  /* Probe for ability to use "ThreadInfo" query, as required.  */
-  use_threadinfo_query = 1;
-  use_threadextra_query = 1;
-
-  /* Without this, some commands which require an active target (such
-     as kill) won't work.  This variable serves (at least) double duty
-     as both the pid of the target process (if it has such), and as a
-     flag indicating that a target is active.  These functions should
-     be split out into seperate variables, especially since GDB will
-     someday have a notion of debugging several processes.  */
-
-  inferior_ptid = pid_to_ptid (MAGIC_NULL_PID);
-
-  if (async_p)
-    {
-      /* With this target we start out by owning the terminal. */
-      remote_async_terminal_ours_p = 1;
-
-      /* FIXME: cagney/1999-09-23: During the initial connection it is
-	 assumed that the target is already ready and able to respond to
-	 requests. Unfortunately remote_start_remote() eventually calls
-	 wait_for_inferior() with no timeout.  wait_forever_enabled_p gets
-	 around this. Eventually a mechanism that allows
-	 wait_for_inferior() to expect/get timeouts will be
-	 implemented. */
-      wait_forever_enabled_p = 0;
-    }
-
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
-  /* First delete any symbols previously loaded from shared libraries. */
-  no_shared_libraries (NULL, 0);
-#endif
-
-  /* Start the remote connection.  If error() or QUIT, discard this
-     target (we'd otherwise be in an inconsistent state) and then
-     propogate the error on up the exception chain.  This ensures that
-     the caller doesn't stumble along blindly assuming that the
-     function succeeded.  The CLI doesn't have this problem but other
-     UI's, such as MI do.
-
-     FIXME: cagney/2002-05-19: Instead of re-throwing the exception,
-     this function should return an error indication letting the
-     caller restore the previous state.  Unfortunatly the command
-     ``target remote'' is directly wired to this function making that
-     impossible.  On a positive note, the CLI side of this problem has
-     been fixed - the function set_cmd_context() makes it possible for
-     all the ``target ....'' commands to share a common callback
-     function.  See cli-dump.c.  */
-  ex = catch_exceptions (uiout,
-			 remote_start_remote, NULL,
-			 "Couldn't establish connection to remote"
-			 " target\n",
-			 RETURN_MASK_ALL);
-  if (ex < 0)
-    {
-      pop_target ();
-      if (async_p)
-	wait_forever_enabled_p = 1;
-      throw_exception (ex);
-    }
-
-  if (async_p)
-    wait_forever_enabled_p = 1;
-
-  if (extended_p)
-    {
-      /* Tell the remote that we are using the extended protocol.  */
-      char *buf = alloca (rs->remote_packet_size);
-      putpkt ("!");
-      getpkt (buf, (rs->remote_packet_size), 0);
-    }
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
-  /* FIXME: need a master target_open vector from which all 
-     remote_opens can be called, so that stuff like this can 
-     go there.  Failing that, the following code must be copied
-     to the open function for any remote target that wants to 
-     support svr4 shared libraries.  */
-
-  /* Set up to detect and load shared libraries. */
-  if (exec_bfd) 	/* No use without an exec file. */
-    {
-      SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
-      remote_check_symbols (symfile_objfile);
-    }
-#endif
-}
-
-/* This takes a program previously attached to and detaches it.  After
-   this is done, GDB can be used to debug some other program.  We
-   better not have left any breakpoints in the target program or it'll
-   die when it hits one.  */
-
-static void
-remote_detach (char *args, int from_tty)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-
-  if (args)
-    error ("Argument given to \"detach\" when remotely debugging.");
-
-  /* Tell the remote target to detach.  */
-  strcpy (buf, "D");
-  remote_send (buf, (rs->remote_packet_size));
-
-  target_mourn_inferior ();
-  if (from_tty)
-    puts_filtered ("Ending remote debugging.\n");
-
-}
-
-/* Same as remote_detach, but with async support. */
-static void
-remote_async_detach (char *args, int from_tty)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-
-  if (args)
-    error ("Argument given to \"detach\" when remotely debugging.");
-
-  /* Tell the remote target to detach.  */
-  strcpy (buf, "D");
-  remote_send (buf, (rs->remote_packet_size));
-
-  /* Unregister the file descriptor from the event loop. */
-  if (target_is_async_p ())
-    serial_async (remote_desc, NULL, 0);
-
-  target_mourn_inferior ();
-  if (from_tty)
-    puts_filtered ("Ending remote debugging.\n");
-}
-
-/* Convert hex digit A to a number.  */
-
-static int
-fromhex (int a)
-{
-  if (a >= '0' && a <= '9')
-    return a - '0';
-  else if (a >= 'a' && a <= 'f')
-    return a - 'a' + 10;
-  else if (a >= 'A' && a <= 'F')
-    return a - 'A' + 10;
-  else
-    error ("Reply contains invalid hex digit %d", a);
-}
-
-static int
-hex2bin (const char *hex, char *bin, int count)
-{
-  int i;
-
-  for (i = 0; i < count; i++)
-    {
-      if (hex[0] == 0 || hex[1] == 0)
-	{
-	  /* Hex string is short, or of uneven length.
-	     Return the count that has been converted so far. */
-	  return i;
-	}
-      *bin++ = fromhex (hex[0]) * 16 + fromhex (hex[1]);
-      hex += 2;
-    }
-  return i;
-}
-
-/* Convert number NIB to a hex digit.  */
-
-static int
-tohex (int nib)
-{
-  if (nib < 10)
-    return '0' + nib;
-  else
-    return 'a' + nib - 10;
-}
-
-static int
-bin2hex (const char *bin, char *hex, int count)
-{
-  int i;
-  /* May use a length, or a nul-terminated string as input. */
-  if (count == 0)
-    count = strlen (bin);
-
-  for (i = 0; i < count; i++)
-    {
-      *hex++ = tohex ((*bin >> 4) & 0xf);
-      *hex++ = tohex (*bin++ & 0xf);
-    }
-  *hex = 0;
-  return i;
-}
-
-/* Tell the remote machine to resume.  */
-
-static enum target_signal last_sent_signal = TARGET_SIGNAL_0;
-
-static int last_sent_step;
-
-static void
-remote_resume (ptid_t ptid, int step, enum target_signal siggnal)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  int pid = PIDGET (ptid);
-  char *p;
-
-  if (pid == -1)
-    set_thread (0, 0);		/* run any thread */
-  else
-    set_thread (pid, 0);	/* run this thread */
-
-  last_sent_signal = siggnal;
-  last_sent_step = step;
-
-  /* A hook for when we need to do something at the last moment before
-     resumption.  */
-  if (target_resume_hook)
-    (*target_resume_hook) ();
-
-
-  /* The s/S/c/C packets do not return status.  So if the target does
-     not support the S or C packets, the debug agent returns an empty
-     string which is detected in remote_wait().  This protocol defect
-     is fixed in the e/E packets. */
-
-  if (step && step_range_end)
-    {
-      /* If the target does not support the 'E' packet, we try the 'S'
-	 packet.  Ideally we would fall back to the 'e' packet if that
-	 too is not supported.  But that would require another copy of
-	 the code to issue the 'e' packet (and fall back to 's' if not
-	 supported) in remote_wait().  */
-      
-      if (siggnal != TARGET_SIGNAL_0)
-	{
-	  if (remote_protocol_E.support != PACKET_DISABLE)
-	    {
-	      p = buf;
-	      *p++ = 'E';
-	      *p++ = tohex (((int) siggnal >> 4) & 0xf);
-	      *p++ = tohex (((int) siggnal) & 0xf);
-	      *p++ = ',';
-	      p += hexnumstr (p, (ULONGEST) step_range_start);
-	      *p++ = ',';
-	      p += hexnumstr (p, (ULONGEST) step_range_end);
-	      *p++ = 0;
-
-	      putpkt (buf);
-	      getpkt (buf, (rs->remote_packet_size), 0);
-
-	      if (packet_ok (buf, &remote_protocol_E) == PACKET_OK)
-		return;
-	    }
-	}
-      else
-	{
-	  if (remote_protocol_e.support != PACKET_DISABLE)
-	    {
-	      p = buf;
-	      *p++ = 'e';
-	      p += hexnumstr (p, (ULONGEST) step_range_start);
-	      *p++ = ',';
-	      p += hexnumstr (p, (ULONGEST) step_range_end);
-	      *p++ = 0;
-
-	      putpkt (buf);
-	      getpkt (buf, (rs->remote_packet_size), 0);
-
-	      if (packet_ok (buf, &remote_protocol_e) == PACKET_OK)
-		return;
-	    }
-	}
-    }
-
-  if (siggnal != TARGET_SIGNAL_0)
-    {
-      buf[0] = step ? 'S' : 'C';
-      buf[1] = tohex (((int) siggnal >> 4) & 0xf);
-      buf[2] = tohex (((int) siggnal) & 0xf);
-      buf[3] = '\0';
-    }
-  else
-    strcpy (buf, step ? "s" : "c");
-
-  putpkt (buf);
-}
-
-/* Same as remote_resume, but with async support. */
-static void
-remote_async_resume (ptid_t ptid, int step, enum target_signal siggnal)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  int pid = PIDGET (ptid);
-  char *p;
-
-  if (pid == -1)
-    set_thread (0, 0);		/* run any thread */
-  else
-    set_thread (pid, 0);	/* run this thread */
-
-  last_sent_signal = siggnal;
-  last_sent_step = step;
-
-  /* A hook for when we need to do something at the last moment before
-     resumption.  */
-  if (target_resume_hook)
-    (*target_resume_hook) ();
-
-  /* The s/S/c/C packets do not return status.  So if the target does
-     not support the S or C packets, the debug agent returns an empty
-     string which is detected in remote_wait().  This protocol defect
-     is fixed in the e/E packets. */
-
-  if (step && step_range_end)
-    {
-      /* If the target does not support the 'E' packet, we try the 'S'
-	 packet.  Ideally we would fall back to the 'e' packet if that
-	 too is not supported.  But that would require another copy of
-	 the code to issue the 'e' packet (and fall back to 's' if not
-	 supported) in remote_wait().  */
-      
-      if (siggnal != TARGET_SIGNAL_0)
-	{
-	  if (remote_protocol_E.support != PACKET_DISABLE)
-	    {
-	      p = buf;
-	      *p++ = 'E';
-	      *p++ = tohex (((int) siggnal >> 4) & 0xf);
-	      *p++ = tohex (((int) siggnal) & 0xf);
-	      *p++ = ',';
-	      p += hexnumstr (p, (ULONGEST) step_range_start);
-	      *p++ = ',';
-	      p += hexnumstr (p, (ULONGEST) step_range_end);
-	      *p++ = 0;
-
-	      putpkt (buf);
-	      getpkt (buf, (rs->remote_packet_size), 0);
-
-	      if (packet_ok (buf, &remote_protocol_E) == PACKET_OK)
-		goto register_event_loop;
-	    }
-	}
-      else
-	{
-	  if (remote_protocol_e.support != PACKET_DISABLE)
-	    {
-	      p = buf;
-	      *p++ = 'e';
-	      p += hexnumstr (p, (ULONGEST) step_range_start);
-	      *p++ = ',';
-	      p += hexnumstr (p, (ULONGEST) step_range_end);
-	      *p++ = 0;
-
-	      putpkt (buf);
-	      getpkt (buf, (rs->remote_packet_size), 0);
-
-	      if (packet_ok (buf, &remote_protocol_e) == PACKET_OK)
-		goto register_event_loop;
-	    }
-	}
-    }
-
-  if (siggnal != TARGET_SIGNAL_0)
-    {
-      buf[0] = step ? 'S' : 'C';
-      buf[1] = tohex (((int) siggnal >> 4) & 0xf);
-      buf[2] = tohex ((int) siggnal & 0xf);
-      buf[3] = '\0';
-    }
-  else
-    strcpy (buf, step ? "s" : "c");
-  
-  putpkt (buf);
-
-register_event_loop:
-  /* We are about to start executing the inferior, let's register it
-     with the event loop. NOTE: this is the one place where all the
-     execution commands end up. We could alternatively do this in each
-     of the execution commands in infcmd.c.*/
-  /* FIXME: ezannoni 1999-09-28: We may need to move this out of here
-     into infcmd.c in order to allow inferior function calls to work
-     NOT asynchronously. */
-  if (event_loop_p && target_can_async_p ())
-    target_async (inferior_event_handler, 0);
-  /* Tell the world that the target is now executing. */
-  /* FIXME: cagney/1999-09-23: Is it the targets responsibility to set
-     this?  Instead, should the client of target just assume (for
-     async targets) that the target is going to start executing?  Is
-     this information already found in the continuation block?  */
-  if (target_is_async_p ())
-    target_executing = 1;
-}
-
-
-/* Set up the signal handler for SIGINT, while the target is
-   executing, ovewriting the 'regular' SIGINT signal handler. */
-static void
-initialize_sigint_signal_handler (void)
-{
-  sigint_remote_token =
-    create_async_signal_handler (async_remote_interrupt, NULL);
-  signal (SIGINT, handle_remote_sigint);
-}
-
-/* Signal handler for SIGINT, while the target is executing. */
-static void
-handle_remote_sigint (int sig)
-{
-  signal (sig, handle_remote_sigint_twice);
-  sigint_remote_twice_token =
-    create_async_signal_handler (async_remote_interrupt_twice, NULL);
-  mark_async_signal_handler_wrapper (sigint_remote_token);
-}
-
-/* Signal handler for SIGINT, installed after SIGINT has already been
-   sent once.  It will take effect the second time that the user sends
-   a ^C. */
-static void
-handle_remote_sigint_twice (int sig)
-{
-  signal (sig, handle_sigint);
-  sigint_remote_twice_token =
-    create_async_signal_handler (inferior_event_handler_wrapper, NULL);
-  mark_async_signal_handler_wrapper (sigint_remote_twice_token);
-}
-
-/* Perform the real interruption of the target execution, in response
-   to a ^C. */
-static void
-async_remote_interrupt (gdb_client_data arg)
-{
-  if (remote_debug)
-    fprintf_unfiltered (gdb_stdlog, "remote_interrupt called\n");
-
-  target_stop ();
-}
-
-/* Perform interrupt, if the first attempt did not succeed. Just give
-   up on the target alltogether. */
-void
-async_remote_interrupt_twice (gdb_client_data arg)
-{
-  if (remote_debug)
-    fprintf_unfiltered (gdb_stdlog, "remote_interrupt_twice called\n");
-  /* Do something only if the target was not killed by the previous
-     cntl-C. */
-  if (target_executing)
-    {
-      interrupt_query ();
-      signal (SIGINT, handle_remote_sigint);
-    }
-}
-
-/* Reinstall the usual SIGINT handlers, after the target has
-   stopped. */
-static void
-cleanup_sigint_signal_handler (void *dummy)
-{
-  signal (SIGINT, handle_sigint);
-  if (sigint_remote_twice_token)
-    delete_async_signal_handler ((struct async_signal_handler **) & sigint_remote_twice_token);
-  if (sigint_remote_token)
-    delete_async_signal_handler ((struct async_signal_handler **) & sigint_remote_token);
-}
-
-/* Send ^C to target to halt it.  Target will respond, and send us a
-   packet.  */
-static void (*ofunc) (int);
-
-/* The command line interface's stop routine. This function is installed
-   as a signal handler for SIGINT. The first time a user requests a
-   stop, we call remote_stop to send a break or ^C. If there is no
-   response from the target (it didn't stop when the user requested it),
-   we ask the user if he'd like to detach from the target. */
-static void
-remote_interrupt (int signo)
-{
-  /* If this doesn't work, try more severe steps. */
-  signal (signo, remote_interrupt_twice);
-
-  if (remote_debug)
-    fprintf_unfiltered (gdb_stdlog, "remote_interrupt called\n");
-
-  target_stop ();
-}
-
-/* The user typed ^C twice.  */
-
-static void
-remote_interrupt_twice (int signo)
-{
-  signal (signo, ofunc);
-  interrupt_query ();
-  signal (signo, remote_interrupt);
-}
-
-/* This is the generic stop called via the target vector. When a target
-   interrupt is requested, either by the command line or the GUI, we
-   will eventually end up here. */
-static void
-remote_stop (void)
-{
-  /* Send a break or a ^C, depending on user preference.  */
-  if (remote_debug)
-    fprintf_unfiltered (gdb_stdlog, "remote_stop called\n");
-
-  if (remote_break)
-    serial_send_break (remote_desc);
-  else
-    serial_write (remote_desc, "\003", 1);
-}
-
-/* Ask the user what to do when an interrupt is received.  */
-
-static void
-interrupt_query (void)
-{
-  target_terminal_ours ();
-
-  if (query ("Interrupted while waiting for the program.\n\
-Give up (and stop debugging it)? "))
-    {
-      target_mourn_inferior ();
-      throw_exception (RETURN_QUIT);
-    }
-
-  target_terminal_inferior ();
-}
-
-/* Enable/disable target terminal ownership.  Most targets can use
-   terminal groups to control terminal ownership.  Remote targets are
-   different in that explicit transfer of ownership to/from GDB/target
-   is required. */
-
-static void
-remote_async_terminal_inferior (void)
-{
-  /* FIXME: cagney/1999-09-27: Shouldn't need to test for
-     sync_execution here.  This function should only be called when
-     GDB is resuming the inferior in the forground.  A background
-     resume (``run&'') should leave GDB in control of the terminal and
-     consequently should not call this code. */
-  if (!sync_execution)
-    return;
-  /* FIXME: cagney/1999-09-27: Closely related to the above.  Make
-     calls target_terminal_*() idenpotent. The event-loop GDB talking
-     to an asynchronous target with a synchronous command calls this
-     function from both event-top.c and infrun.c/infcmd.c.  Once GDB
-     stops trying to transfer the terminal to the target when it
-     shouldn't this guard can go away.  */
-  if (!remote_async_terminal_ours_p)
-    return;
-  delete_file_handler (input_fd);
-  remote_async_terminal_ours_p = 0;
-  initialize_sigint_signal_handler ();
-  /* NOTE: At this point we could also register our selves as the
-     recipient of all input.  Any characters typed could then be
-     passed on down to the target. */
-}
-
-static void
-remote_async_terminal_ours (void)
-{
-  /* See FIXME in remote_async_terminal_inferior. */
-  if (!sync_execution)
-    return;
-  /* See FIXME in remote_async_terminal_inferior. */
-  if (remote_async_terminal_ours_p)
-    return;
-  cleanup_sigint_signal_handler (NULL);
-  add_file_handler (input_fd, stdin_event_handler, 0);
-  remote_async_terminal_ours_p = 1;
-}
-
-/* If nonzero, ignore the next kill.  */
-
-int kill_kludge;
-
-void
-remote_console_output (char *msg)
-{
-  char *p;
-
-  for (p = msg; p[0] && p[1]; p += 2)
-    {
-      char tb[2];
-      char c = fromhex (p[0]) * 16 + fromhex (p[1]);
-      tb[0] = c;
-      tb[1] = 0;
-      fputs_unfiltered (tb, gdb_stdtarg);
-    }
-  gdb_flush (gdb_stdtarg);
-}
-
-/* Wait until the remote machine stops, then return,
-   storing status in STATUS just as `wait' would.
-   Returns "pid", which in the case of a multi-threaded 
-   remote OS, is the thread-id.  */
-
-static ptid_t
-remote_wait (ptid_t ptid, struct target_waitstatus *status)
-{
-  struct remote_state *rs = get_remote_state ();
-  unsigned char *buf = alloca (rs->remote_packet_size);
-  ULONGEST thread_num = -1;
-  ULONGEST addr;
-
-  status->kind = TARGET_WAITKIND_EXITED;
-  status->value.integer = 0;
-
-  while (1)
-    {
-      unsigned char *p;
-
-      ofunc = signal (SIGINT, remote_interrupt);
-      getpkt (buf, (rs->remote_packet_size), 1);
-      signal (SIGINT, ofunc);
-
-      /* This is a hook for when we need to do something (perhaps the
-         collection of trace data) every time the target stops.  */
-      if (target_wait_loop_hook)
-	(*target_wait_loop_hook) ();
-
-      remote_stopped_by_watchpoint_p = 0;
-
-      switch (buf[0])
-	{
-	case 'E':		/* Error of some sort */
-	  warning ("Remote failure reply: %s", buf);
-	  continue;
-	case 'T':		/* Status with PC, SP, FP, ... */
-	  {
-	    int i;
-	    char* regs = (char*) alloca (MAX_REGISTER_RAW_SIZE);
-
-	    /* Expedited reply, containing Signal, {regno, reg} repeat */
-	    /*  format is:  'Tssn...:r...;n...:r...;n...:r...;#cc', where
-	       ss = signal number
-	       n... = register number
-	       r... = register contents
-	     */
-	    p = &buf[3];	/* after Txx */
-
-	    while (*p)
-	      {
-		unsigned char *p1;
-		char *p_temp;
-		int fieldsize;
-		LONGEST pnum = 0;
-
-		/* If the packet contains a register number save it in pnum
-		   and set p1 to point to the character following it. 
-		   Otherwise p1 points to p.  */
-
-		/* If this packet is an awatch packet, don't parse the 'a'
-		   as a register number.  */
-
-		if (strncmp (p, "awatch", strlen("awatch")) != 0)
-		  {
-		    /* Read the ``P'' register number.  */
-		    pnum = strtol (p, &p_temp, 16);
-		    p1 = (unsigned char *) p_temp;
-		  }
-		else 
-		  p1 = p;
-
-		if (p1 == p)	/* No register number present here */
-		  {
-		    p1 = (unsigned char *) strchr (p, ':');
-		    if (p1 == NULL)
-		      warning ("Malformed packet(a) (missing colon): %s\n\
-Packet: '%s'\n",
-			       p, buf);
-		    if (strncmp (p, "thread", p1 - p) == 0)
-		      {
-			p_temp = unpack_varlen_hex (++p1, &thread_num);
-			record_currthread (thread_num);
-			p = (unsigned char *) p_temp;
-		      }
-		    else if ((strncmp (p, "watch", p1 - p) == 0)
-			     || (strncmp (p, "rwatch", p1 - p) == 0)
-			     || (strncmp (p, "awatch", p1 - p) == 0))
-		      {
-			remote_stopped_by_watchpoint_p = 1;
-			p = unpack_varlen_hex (++p1, &addr);
-			remote_watch_data_address = (CORE_ADDR)addr;
-		      }
-		    else
- 		      {
- 			/* Silently skip unknown optional info.  */
- 			p_temp = strchr (p1 + 1, ';');
- 			if (p_temp)
-			  p = (unsigned char *) p_temp;
- 		      }
-		  }
-		else
-		  {
-		    struct packet_reg *reg = packet_reg_from_pnum (rs, pnum);
-		    p = p1;
-
-		    if (*p++ != ':')
-		      warning ("Malformed packet(b) (missing colon): %s\n\
-Packet: '%s'\n",
-			       p, buf);
-
-		    if (reg == NULL)
-		      warning ("Remote sent bad register number %s: %s\n\
-Packet: '%s'\n",
-			       phex_nz (pnum, 0), p, buf);
-
-		    fieldsize = hex2bin (p, regs, REGISTER_RAW_SIZE (reg->regnum));
-		    p += 2 * fieldsize;
-		    if (fieldsize < REGISTER_RAW_SIZE (reg->regnum))
-		      warning ("Remote reply is too short: %s", buf);
-		    supply_register (reg->regnum, regs);
-		  }
-
-		if (*p++ != ';')
-		  {
-		    warning ("Remote register badly formatted: %s", buf);
-		    warning ("            here: %s", p);
-		  }
-	      }
-	  }
-	  /* fall through */
-	case 'S':		/* Old style status, just signal only */
-	  status->kind = TARGET_WAITKIND_STOPPED;
-	  status->value.sig = (enum target_signal)
-	    (((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
-
-	  if (buf[3] == 'p')
-	    {
-	      /* Export Cisco kernel mode as a convenience variable
-	         (so that it can be used in the GDB prompt if desired). */
-
-	      if (cisco_kernel_mode == 1)
-		set_internalvar (lookup_internalvar ("cisco_kernel_mode"),
-				 value_from_string ("PDEBUG-"));
-	      cisco_kernel_mode = 0;
-	      thread_num = strtol ((const char *) &buf[4], NULL, 16);
-	      record_currthread (thread_num);
-	    }
-	  else if (buf[3] == 'k')
-	    {
-	      /* Export Cisco kernel mode as a convenience variable
-	         (so that it can be used in the GDB prompt if desired). */
-
-	      if (cisco_kernel_mode == 1)
-		set_internalvar (lookup_internalvar ("cisco_kernel_mode"),
-				 value_from_string ("KDEBUG-"));
-	      cisco_kernel_mode = 1;
-	    }
-	  goto got_status;
-	case 'N':		/* Cisco special: status and offsets */
-	  {
-	    bfd_vma text_addr, data_addr, bss_addr;
-	    bfd_signed_vma text_off, data_off, bss_off;
-	    unsigned char *p1;
-
-	    status->kind = TARGET_WAITKIND_STOPPED;
-	    status->value.sig = (enum target_signal)
-	      (((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
-
-	    if (symfile_objfile == NULL)
-	      {
-		warning ("Relocation packet received with no symbol file.  \
-Packet Dropped");
-		goto got_status;
-	      }
-
-	    /* Relocate object file.  Buffer format is NAATT;DD;BB
-	     * where AA is the signal number, TT is the new text
-	     * address, DD * is the new data address, and BB is the
-	     * new bss address.  */
-
-	    p = &buf[3];
-	    text_addr = strtoul (p, (char **) &p1, 16);
-	    if (p1 == p || *p1 != ';')
-	      warning ("Malformed relocation packet: Packet '%s'", buf);
-	    p = p1 + 1;
-	    data_addr = strtoul (p, (char **) &p1, 16);
-	    if (p1 == p || *p1 != ';')
-	      warning ("Malformed relocation packet: Packet '%s'", buf);
-	    p = p1 + 1;
-	    bss_addr = strtoul (p, (char **) &p1, 16);
-	    if (p1 == p)
-	      warning ("Malformed relocation packet: Packet '%s'", buf);
-
-	    if (remote_cisco_section_offsets (text_addr, data_addr, bss_addr,
-					      &text_off, &data_off, &bss_off)
-		== 0)
-	      if (text_off != 0 || data_off != 0 || bss_off != 0)
-		remote_cisco_objfile_relocate (text_off, data_off, bss_off);
-
-	    goto got_status;
-	  }
-	case 'W':		/* Target exited */
-	  {
-	    /* The remote process exited.  */
-	    status->kind = TARGET_WAITKIND_EXITED;
-	    status->value.integer = (fromhex (buf[1]) << 4) + fromhex (buf[2]);
-	    goto got_status;
-	  }
-	case 'X':
-	  status->kind = TARGET_WAITKIND_SIGNALLED;
-	  status->value.sig = (enum target_signal)
-	    (((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
-	  kill_kludge = 1;
-
-	  goto got_status;
-	case 'O':		/* Console output */
-	  remote_console_output (buf + 1);
-	  continue;
-	case '\0':
-	  if (last_sent_signal != TARGET_SIGNAL_0)
-	    {
-	      /* Zero length reply means that we tried 'S' or 'C' and
-	         the remote system doesn't support it.  */
-	      target_terminal_ours_for_output ();
-	      printf_filtered
-		("Can't send signals to this remote system.  %s not sent.\n",
-		 target_signal_to_name (last_sent_signal));
-	      last_sent_signal = TARGET_SIGNAL_0;
-	      target_terminal_inferior ();
-
-	      strcpy ((char *) buf, last_sent_step ? "s" : "c");
-	      putpkt ((char *) buf);
-	      continue;
-	    }
-	  /* else fallthrough */
-	default:
-	  warning ("Invalid remote reply: %s", buf);
-	  continue;
-	}
-    }
-got_status:
-  if (thread_num != -1)
-    {
-      return pid_to_ptid (thread_num);
-    }
-  return inferior_ptid;
-}
-
-/* Async version of remote_wait. */
-static ptid_t
-remote_async_wait (ptid_t ptid, struct target_waitstatus *status)
-{
-  struct remote_state *rs = get_remote_state ();
-  unsigned char *buf = alloca (rs->remote_packet_size);
-  ULONGEST thread_num = -1;
-  ULONGEST addr;
-
-  status->kind = TARGET_WAITKIND_EXITED;
-  status->value.integer = 0;
-
-  remote_stopped_by_watchpoint_p = 0;
-
-  while (1)
-    {
-      unsigned char *p;
-
-      if (!target_is_async_p ())
-	ofunc = signal (SIGINT, remote_interrupt);
-      /* FIXME: cagney/1999-09-27: If we're in async mode we should
-         _never_ wait for ever -> test on target_is_async_p().
-         However, before we do that we need to ensure that the caller
-         knows how to take the target into/out of async mode. */
-      getpkt (buf, (rs->remote_packet_size), wait_forever_enabled_p);
-      if (!target_is_async_p ())
-	signal (SIGINT, ofunc);
-
-      /* This is a hook for when we need to do something (perhaps the
-         collection of trace data) every time the target stops.  */
-      if (target_wait_loop_hook)
-	(*target_wait_loop_hook) ();
-
-      switch (buf[0])
-	{
-	case 'E':		/* Error of some sort */
-	  warning ("Remote failure reply: %s", buf);
-	  continue;
-	case 'T':		/* Status with PC, SP, FP, ... */
-	  {
-	    int i;
-	    char* regs = (char*) alloca (MAX_REGISTER_RAW_SIZE);
-
-	    /* Expedited reply, containing Signal, {regno, reg} repeat */
-	    /*  format is:  'Tssn...:r...;n...:r...;n...:r...;#cc', where
-	       ss = signal number
-	       n... = register number
-	       r... = register contents
-	     */
-	    p = &buf[3];	/* after Txx */
-
-	    while (*p)
-	      {
-		unsigned char *p1;
-		char *p_temp;
-		int fieldsize;
-		long pnum = 0;
-
-		/* If the packet contains a register number, save it in pnum
-		   and set p1 to point to the character following it. 
-		   Otherwise p1 points to p.  */
-
-		/* If this packet is an awatch packet, don't parse the 'a'
-		   as a register number.  */
-		
-		if (!strncmp (p, "awatch", strlen ("awatch")) != 0)
-		  {
-		    /* Read the register number.  */
-		    pnum = strtol (p, &p_temp, 16);
-		    p1 = (unsigned char *) p_temp;
-		  }
-		else 
-		  p1 = p;
-
-		if (p1 == p)	/* No register number present here */
-		  {
-		    p1 = (unsigned char *) strchr (p, ':');
-		    if (p1 == NULL)
-		      warning ("Malformed packet(a) (missing colon): %s\n\
-Packet: '%s'\n",
-			       p, buf);
-		    if (strncmp (p, "thread", p1 - p) == 0)
-		      {
-			p_temp = unpack_varlen_hex (++p1, &thread_num);
-			record_currthread (thread_num);
-			p = (unsigned char *) p_temp;
-		      }
-		    else if ((strncmp (p, "watch", p1 - p) == 0)
-			     || (strncmp (p, "rwatch", p1 - p) == 0)
-			     || (strncmp (p, "awatch", p1 - p) == 0))
-		      {
-			remote_stopped_by_watchpoint_p = 1;
-			p = unpack_varlen_hex (++p1, &addr);
-			remote_watch_data_address = (CORE_ADDR)addr;
-		      }
-		    else
- 		      {
- 			/* Silently skip unknown optional info.  */
- 			p_temp = (unsigned char *) strchr (p1 + 1, ';');
- 			if (p_temp)
-			  p = p_temp;
- 		      }
-		  }
-		
-		else
-		  {
-		    struct packet_reg *reg = packet_reg_from_pnum (rs, pnum);
-		    p = p1;
-		    if (*p++ != ':')
-		      warning ("Malformed packet(b) (missing colon): %s\n\
-Packet: '%s'\n",
-			       p, buf);
-
-		    if (reg == NULL)
-		      warning ("Remote sent bad register number %ld: %s\n\
-Packet: '%s'\n",
-			       pnum, p, buf);
-
-		    fieldsize = hex2bin (p, regs, REGISTER_RAW_SIZE (reg->regnum));
-		    p += 2 * fieldsize;
-		    if (fieldsize < REGISTER_RAW_SIZE (reg->regnum))
-		      warning ("Remote reply is too short: %s", buf);
-		    supply_register (reg->regnum, regs);
-		  }
-
-		if (*p++ != ';')
-		  {
-		    warning ("Remote register badly formatted: %s", buf);
-		    warning ("            here: %s", p);
-		  }
-	      }
-	  }
-	  /* fall through */
-	case 'S':		/* Old style status, just signal only */
-	  status->kind = TARGET_WAITKIND_STOPPED;
-	  status->value.sig = (enum target_signal)
-	    (((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
-
-	  if (buf[3] == 'p')
-	    {
-	      /* Export Cisco kernel mode as a convenience variable
-	         (so that it can be used in the GDB prompt if desired). */
-
-	      if (cisco_kernel_mode == 1)
-		set_internalvar (lookup_internalvar ("cisco_kernel_mode"),
-				 value_from_string ("PDEBUG-"));
-	      cisco_kernel_mode = 0;
-	      thread_num = strtol ((const char *) &buf[4], NULL, 16);
-	      record_currthread (thread_num);
-	    }
-	  else if (buf[3] == 'k')
-	    {
-	      /* Export Cisco kernel mode as a convenience variable
-	         (so that it can be used in the GDB prompt if desired). */
-
-	      if (cisco_kernel_mode == 1)
-		set_internalvar (lookup_internalvar ("cisco_kernel_mode"),
-				 value_from_string ("KDEBUG-"));
-	      cisco_kernel_mode = 1;
-	    }
-	  goto got_status;
-	case 'N':		/* Cisco special: status and offsets */
-	  {
-	    bfd_vma text_addr, data_addr, bss_addr;
-	    bfd_signed_vma text_off, data_off, bss_off;
-	    unsigned char *p1;
-
-	    status->kind = TARGET_WAITKIND_STOPPED;
-	    status->value.sig = (enum target_signal)
-	      (((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
-
-	    if (symfile_objfile == NULL)
-	      {
-		warning ("Relocation packet recieved with no symbol file.  \
-Packet Dropped");
-		goto got_status;
-	      }
-
-	    /* Relocate object file.  Buffer format is NAATT;DD;BB
-	     * where AA is the signal number, TT is the new text
-	     * address, DD * is the new data address, and BB is the
-	     * new bss address.  */
-
-	    p = &buf[3];
-	    text_addr = strtoul (p, (char **) &p1, 16);
-	    if (p1 == p || *p1 != ';')
-	      warning ("Malformed relocation packet: Packet '%s'", buf);
-	    p = p1 + 1;
-	    data_addr = strtoul (p, (char **) &p1, 16);
-	    if (p1 == p || *p1 != ';')
-	      warning ("Malformed relocation packet: Packet '%s'", buf);
-	    p = p1 + 1;
-	    bss_addr = strtoul (p, (char **) &p1, 16);
-	    if (p1 == p)
-	      warning ("Malformed relocation packet: Packet '%s'", buf);
-
-	    if (remote_cisco_section_offsets (text_addr, data_addr, bss_addr,
-					      &text_off, &data_off, &bss_off)
-		== 0)
-	      if (text_off != 0 || data_off != 0 || bss_off != 0)
-		remote_cisco_objfile_relocate (text_off, data_off, bss_off);
-
-	    goto got_status;
-	  }
-	case 'W':		/* Target exited */
-	  {
-	    /* The remote process exited.  */
-	    status->kind = TARGET_WAITKIND_EXITED;
-	    status->value.integer = (fromhex (buf[1]) << 4) + fromhex (buf[2]);
-	    goto got_status;
-	  }
-	case 'X':
-	  status->kind = TARGET_WAITKIND_SIGNALLED;
-	  status->value.sig = (enum target_signal)
-	    (((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
-	  kill_kludge = 1;
-
-	  goto got_status;
-	case 'O':		/* Console output */
-	  remote_console_output (buf + 1);
-	  /* Return immediately to the event loop. The event loop will
-             still be waiting on the inferior afterwards. */
-          status->kind = TARGET_WAITKIND_IGNORE;
-          goto got_status;
-	case '\0':
-	  if (last_sent_signal != TARGET_SIGNAL_0)
-	    {
-	      /* Zero length reply means that we tried 'S' or 'C' and
-	         the remote system doesn't support it.  */
-	      target_terminal_ours_for_output ();
-	      printf_filtered
-		("Can't send signals to this remote system.  %s not sent.\n",
-		 target_signal_to_name (last_sent_signal));
-	      last_sent_signal = TARGET_SIGNAL_0;
-	      target_terminal_inferior ();
-
-	      strcpy ((char *) buf, last_sent_step ? "s" : "c");
-	      putpkt ((char *) buf);
-	      continue;
-	    }
-	  /* else fallthrough */
-	default:
-	  warning ("Invalid remote reply: %s", buf);
-	  continue;
-	}
-    }
-got_status:
-  if (thread_num != -1)
-    {
-      return pid_to_ptid (thread_num);
-    }
-  return inferior_ptid;
-}
-
-/* Number of bytes of registers this stub implements.  */
-
-static int register_bytes_found;
-
-/* Read the remote registers into the block REGS.  */
-/* Currently we just read all the registers, so we don't use regnum.  */
-
-/* ARGSUSED */
-static void
-remote_fetch_registers (int regnum)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  int i;
-  char *p;
-  char *regs = alloca (rs->sizeof_g_packet);
-
-  set_thread (PIDGET (inferior_ptid), 1);
-
-  if (regnum >= 0)
-    {
-      struct packet_reg *reg = packet_reg_from_regnum (rs, regnum);
-      gdb_assert (reg != NULL);
-      if (!reg->in_g_packet)
-	internal_error (__FILE__, __LINE__,
-			"Attempt to fetch a non G-packet register when this "
-			"remote.c does not support the p-packet.");
-    }
-
-  sprintf (buf, "g");
-  remote_send (buf, (rs->remote_packet_size));
-
-  /* Save the size of the packet sent to us by the target.  Its used
-     as a heuristic when determining the max size of packets that the
-     target can safely receive. */
-  if ((rs->actual_register_packet_size) == 0)
-    (rs->actual_register_packet_size) = strlen (buf);
-
-  /* Unimplemented registers read as all bits zero.  */
-  memset (regs, 0, rs->sizeof_g_packet);
-
-  /* We can get out of synch in various cases.  If the first character
-     in the buffer is not a hex character, assume that has happened
-     and try to fetch another packet to read.  */
-  while ((buf[0] < '0' || buf[0] > '9')
-	 && (buf[0] < 'a' || buf[0] > 'f')
-	 && buf[0] != 'x')	/* New: unavailable register value */
-    {
-      if (remote_debug)
-	fprintf_unfiltered (gdb_stdlog,
-			    "Bad register packet; fetching a new packet\n");
-      getpkt (buf, (rs->remote_packet_size), 0);
-    }
-
-  /* Reply describes registers byte by byte, each byte encoded as two
-     hex characters.  Suck them all up, then supply them to the
-     register cacheing/storage mechanism.  */
-
-  p = buf;
-  for (i = 0; i < rs->sizeof_g_packet; i++)
-    {
-      if (p[0] == 0)
-	break;
-      if (p[1] == 0)
-	{
-	  warning ("Remote reply is of odd length: %s", buf);
-	  /* Don't change register_bytes_found in this case, and don't
-	     print a second warning.  */
-	  goto supply_them;
-	}
-      if (p[0] == 'x' && p[1] == 'x')
-	regs[i] = 0;		/* 'x' */
-      else
-	regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
-      p += 2;
-    }
-
-  if (i != register_bytes_found)
-    {
-      register_bytes_found = i;
-      if (REGISTER_BYTES_OK_P ()
-	  && !REGISTER_BYTES_OK (i))
-	warning ("Remote reply is too short: %s", buf);
-    }
-
- supply_them:
-  {
-    int i;
-    for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
-      {
-	struct packet_reg *r = &rs->regs[i];
-	if (r->in_g_packet)
-	  {
-	    supply_register (r->regnum, regs + r->offset);
-	    if (buf[r->offset * 2] == 'x')
-	      set_register_cached (i, -1);
-	  }
-      }
-  }
-}
-
-/* Prepare to store registers.  Since we may send them all (using a
-   'G' request), we have to read out the ones we don't want to change
-   first.  */
-
-static void
-remote_prepare_to_store (void)
-{
-  /* Make sure the entire registers array is valid.  */
-  switch (remote_protocol_P.support)
-    {
-    case PACKET_DISABLE:
-    case PACKET_SUPPORT_UNKNOWN:
-      /* NOTE: This isn't rs->sizeof_g_packet because here, we are
-         forcing the register cache to read its and not the target
-         registers.  */
-      read_register_bytes (0, (char *) NULL, REGISTER_BYTES); /* OK use.  */
-      break;
-    case PACKET_ENABLE:
-      break;
-    }
-}
-
-/* Helper: Attempt to store REGNUM using the P packet.  Return fail IFF
-   packet was not recognized. */
-
-static int
-store_register_using_P (int regnum)
-{
-  struct remote_state *rs = get_remote_state ();
-  struct packet_reg *reg = packet_reg_from_regnum (rs, regnum);
-  /* Try storing a single register.  */
-  char *buf = alloca (rs->remote_packet_size);
-  char *regp = alloca (MAX_REGISTER_RAW_SIZE);
-  char *p;
-  int i;
-
-  sprintf (buf, "P%s=", phex_nz (reg->pnum, 0));
-  p = buf + strlen (buf);
-  regcache_collect (reg->regnum, regp);
-  bin2hex (regp, p, REGISTER_RAW_SIZE (reg->regnum));
-  remote_send (buf, rs->remote_packet_size);
-
-  return buf[0] != '\0';
-}
-
-
-/* Store register REGNUM, or all registers if REGNUM == -1, from the contents
-   of the register cache buffer.  FIXME: ignores errors.  */
-
-static void
-remote_store_registers (int regnum)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf;
-  char *regs;
-  int i;
-  char *p;
-
-  set_thread (PIDGET (inferior_ptid), 1);
-
-  if (regnum >= 0)
-    {
-      switch (remote_protocol_P.support)
-	{
-	case PACKET_DISABLE:
-	  break;
-	case PACKET_ENABLE:
-	  if (store_register_using_P (regnum))
-	    return;
-	  else
-	    error ("Protocol error: P packet not recognized by stub");
-	case PACKET_SUPPORT_UNKNOWN:
-	  if (store_register_using_P (regnum))
-	    {
-	      /* The stub recognized the 'P' packet.  Remember this.  */
-	      remote_protocol_P.support = PACKET_ENABLE;
-	      return;
-	    }
-	  else
-	    {
-	      /* The stub does not support the 'P' packet.  Use 'G'
-	         instead, and don't try using 'P' in the future (it
-	         will just waste our time).  */
-	      remote_protocol_P.support = PACKET_DISABLE;
-	      break;
-	    }
-	}
-    }
-
-  /* Extract all the registers in the regcache copying them into a
-     local buffer.  */
-  {
-    int i;
-    regs = alloca (rs->sizeof_g_packet);
-    memset (regs, rs->sizeof_g_packet, 0);
-    for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
-      {
-	struct packet_reg *r = &rs->regs[i];
-	if (r->in_g_packet)
-	  regcache_collect (r->regnum, regs + r->offset);
-      }
-  }
-
-  /* Command describes registers byte by byte,
-     each byte encoded as two hex characters.  */
-  buf = alloca (rs->remote_packet_size);
-  p = buf;
-  *p++ = 'G';
-  /* remote_prepare_to_store insures that register_bytes_found gets set.  */
-  bin2hex (regs, p, register_bytes_found);
-  remote_send (buf, (rs->remote_packet_size));
-}
-
-
-/* Return the number of hex digits in num.  */
-
-static int
-hexnumlen (ULONGEST num)
-{
-  int i;
-
-  for (i = 0; num != 0; i++)
-    num >>= 4;
-
-  return max (i, 1);
-}
-
-/* Set BUF to the minimum number of hex digits representing NUM.  */
-
-static int
-hexnumstr (char *buf, ULONGEST num)
-{
-  int len = hexnumlen (num);
-  return hexnumnstr (buf, num, len);
-}
-
-
-/* Set BUF to the hex digits representing NUM, padded to WIDTH characters.  */
-
-static int
-hexnumnstr (char *buf, ULONGEST num, int width)
-{
-  int i;
-
-  buf[width] = '\0';
-
-  for (i = width - 1; i >= 0; i--)
-    {
-      buf[i] = "0123456789abcdef"[(num & 0xf)];
-      num >>= 4;
-    }
-
-  return width;
-}
-
-/* Mask all but the least significant REMOTE_ADDRESS_SIZE bits. */
-
-static CORE_ADDR
-remote_address_masked (CORE_ADDR addr)
-{
-  if (remote_address_size > 0
-      && remote_address_size < (sizeof (ULONGEST) * 8))
-    {
-      /* Only create a mask when that mask can safely be constructed
-         in a ULONGEST variable. */
-      ULONGEST mask = 1;
-      mask = (mask << remote_address_size) - 1;
-      addr &= mask;
-    }
-  return addr;
-}
-
-/* Determine whether the remote target supports binary downloading.
-   This is accomplished by sending a no-op memory write of zero length
-   to the target at the specified address. It does not suffice to send
-   the whole packet, since many stubs strip the eighth bit and subsequently
-   compute a wrong checksum, which causes real havoc with remote_write_bytes.
-
-   NOTE: This can still lose if the serial line is not eight-bit
-   clean. In cases like this, the user should clear "remote
-   X-packet". */
-
-static void
-check_binary_download (CORE_ADDR addr)
-{
-  struct remote_state *rs = get_remote_state ();
-  switch (remote_protocol_binary_download.support)
-    {
-    case PACKET_DISABLE:
-      break;
-    case PACKET_ENABLE:
-      break;
-    case PACKET_SUPPORT_UNKNOWN:
-      {
-	char *buf = alloca (rs->remote_packet_size);
-	char *p;
-	
-	p = buf;
-	*p++ = 'X';
-	p += hexnumstr (p, (ULONGEST) addr);
-	*p++ = ',';
-	p += hexnumstr (p, (ULONGEST) 0);
-	*p++ = ':';
-	*p = '\0';
-	
-	putpkt_binary (buf, (int) (p - buf));
-	getpkt (buf, (rs->remote_packet_size), 0);
-
-	if (buf[0] == '\0')
-	  {
-	    if (remote_debug)
-	      fprintf_unfiltered (gdb_stdlog,
-				  "binary downloading NOT suppported by target\n");
-	    remote_protocol_binary_download.support = PACKET_DISABLE;
-	  }
-	else
-	  {
-	    if (remote_debug)
-	      fprintf_unfiltered (gdb_stdlog,
-				  "binary downloading suppported by target\n");
-	    remote_protocol_binary_download.support = PACKET_ENABLE;
-	  }
-	break;
-      }
-    }
-}
-
-/* Write memory data directly to the remote machine.
-   This does not inform the data cache; the data cache uses this.
-   MEMADDR is the address in the remote memory space.
-   MYADDR is the address of the buffer in our space.
-   LEN is the number of bytes.
-
-   Returns number of bytes transferred, or 0 (setting errno) for
-   error.  Only transfer a single packet. */
-
-static int
-remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
-{
-  unsigned char *buf;
-  int max_buf_size;		/* Max size of packet output buffer */
-  unsigned char *p;
-  unsigned char *plen;
-  long sizeof_buf;
-  int plenlen;
-  int todo;
-  int nr_bytes;
-
-  /* Verify that the target can support a binary download */
-  check_binary_download (memaddr);
-
-  /* Determine the max packet size. */
-  max_buf_size = get_memory_write_packet_size ();
-  sizeof_buf = max_buf_size + 1; /* Space for trailing NUL */
-  buf = alloca (sizeof_buf);
-
-  /* Subtract header overhead from max payload size -  $M<memaddr>,<len>:#nn */
-  max_buf_size -= 2 + hexnumlen (memaddr + len - 1) + 1 + hexnumlen (len) + 4;
-
-  /* construct "M"<memaddr>","<len>":" */
-  /* sprintf (buf, "M%lx,%x:", (unsigned long) memaddr, todo); */
-  p = buf;
-
-  /* Append [XM].  Compute a best guess of the number of bytes
-     actually transfered. */
-  switch (remote_protocol_binary_download.support)
-    {
-    case PACKET_ENABLE:
-      *p++ = 'X';
-      /* Best guess at number of bytes that will fit. */
-      todo = min (len, max_buf_size);
-      break;
-    case PACKET_DISABLE:
-      *p++ = 'M';
-      /* num bytes that will fit */
-      todo = min (len, max_buf_size / 2);
-      break;
-    case PACKET_SUPPORT_UNKNOWN:
-      internal_error (__FILE__, __LINE__,
-		      "remote_write_bytes: bad internal state");
-    default:
-      internal_error (__FILE__, __LINE__, "bad switch");
-    }
-  
-  /* Append <memaddr> */
-  memaddr = remote_address_masked (memaddr);
-  p += hexnumstr (p, (ULONGEST) memaddr);
-  *p++ = ',';
-  
-  /* Append <len>.  Retain the location/size of <len>.  It may
-     need to be adjusted once the packet body has been created. */
-  plen = p;
-  plenlen = hexnumstr (p, (ULONGEST) todo);
-  p += plenlen;
-  *p++ = ':';
-  *p = '\0';
-  
-  /* Append the packet body. */
-  switch (remote_protocol_binary_download.support)
-    {
-    case PACKET_ENABLE:
-      /* Binary mode.  Send target system values byte by byte, in
-	 increasing byte addresses.  Only escape certain critical
-	 characters.  */
-      for (nr_bytes = 0;
-	   (nr_bytes < todo) && (p - buf) < (max_buf_size - 2);
-	   nr_bytes++)
-	{
-	  switch (myaddr[nr_bytes] & 0xff)
-	    {
-	    case '$':
-	    case '#':
-	    case 0x7d:
-	      /* These must be escaped */
-	      *p++ = 0x7d;
-	      *p++ = (myaddr[nr_bytes] & 0xff) ^ 0x20;
-	      break;
-	    default:
-	      *p++ = myaddr[nr_bytes] & 0xff;
-	      break;
-	    }
-	}
-      if (nr_bytes < todo)
-	{
-	  /* Escape chars have filled up the buffer prematurely, 
-	     and we have actually sent fewer bytes than planned.
-	     Fix-up the length field of the packet.  Use the same
-	     number of characters as before.  */
-	  
-	  plen += hexnumnstr (plen, (ULONGEST) nr_bytes, plenlen);
-	  *plen = ':';  /* overwrite \0 from hexnumnstr() */
-	}
-      break;
-    case PACKET_DISABLE:
-      /* Normal mode: Send target system values byte by byte, in
-	 increasing byte addresses.  Each byte is encoded as a two hex
-	 value.  */
-      nr_bytes = bin2hex (myaddr, p, todo);
-      p += 2 * nr_bytes;
-      break;
-    case PACKET_SUPPORT_UNKNOWN:
-      internal_error (__FILE__, __LINE__,
-		      "remote_write_bytes: bad internal state");
-    default:
-      internal_error (__FILE__, __LINE__, "bad switch");
-    }
-  
-  putpkt_binary (buf, (int) (p - buf));
-  getpkt (buf, sizeof_buf, 0);
-  
-  if (buf[0] == 'E')
-    {
-      /* There is no correspondance between what the remote protocol
-	 uses for errors and errno codes.  We would like a cleaner way
-	 of representing errors (big enough to include errno codes,
-	 bfd_error codes, and others).  But for now just return EIO.  */
-      errno = EIO;
-      return 0;
-    }
-  
-  /* Return NR_BYTES, not TODO, in case escape chars caused us to send fewer
-     bytes than we'd planned.  */
-  return nr_bytes;
-}
-
-/* Read memory data directly from the remote machine.
-   This does not use the data cache; the data cache uses this.
-   MEMADDR is the address in the remote memory space.
-   MYADDR is the address of the buffer in our space.
-   LEN is the number of bytes.
-
-   Returns number of bytes transferred, or 0 for error.  */
-
-/* NOTE: cagney/1999-10-18: This function (and its siblings in other
-   remote targets) shouldn't attempt to read the entire buffer.
-   Instead it should read a single packet worth of data and then
-   return the byte size of that packet to the caller.  The caller (its
-   caller and its callers caller ;-) already contains code for
-   handling partial reads. */
-
-static int
-remote_read_bytes (CORE_ADDR memaddr, char *myaddr, int len)
-{
-  char *buf;
-  int max_buf_size;		/* Max size of packet output buffer */
-  long sizeof_buf;
-  int origlen;
-
-  /* Create a buffer big enough for this packet. */
-  max_buf_size = get_memory_read_packet_size ();
-  sizeof_buf = max_buf_size + 1; /* Space for trailing NUL */
-  buf = alloca (sizeof_buf);
-
-  origlen = len;
-  while (len > 0)
-    {
-      char *p;
-      int todo;
-      int i;
-
-      todo = min (len, max_buf_size / 2);	/* num bytes that will fit */
-
-      /* construct "m"<memaddr>","<len>" */
-      /* sprintf (buf, "m%lx,%x", (unsigned long) memaddr, todo); */
-      memaddr = remote_address_masked (memaddr);
-      p = buf;
-      *p++ = 'm';
-      p += hexnumstr (p, (ULONGEST) memaddr);
-      *p++ = ',';
-      p += hexnumstr (p, (ULONGEST) todo);
-      *p = '\0';
-
-      putpkt (buf);
-      getpkt (buf, sizeof_buf, 0);
-
-      if (buf[0] == 'E'
-	  && isxdigit (buf[1]) && isxdigit (buf[2])
-	  && buf[3] == '\0')
-	{
-	  /* There is no correspondance between what the remote protocol uses
-	     for errors and errno codes.  We would like a cleaner way of
-	     representing errors (big enough to include errno codes, bfd_error
-	     codes, and others).  But for now just return EIO.  */
-	  errno = EIO;
-	  return 0;
-	}
-
-      /* Reply describes memory byte by byte,
-         each byte encoded as two hex characters.  */
-
-      p = buf;
-      if ((i = hex2bin (p, myaddr, todo)) < todo)
-	{
-	  /* Reply is short.  This means that we were able to read
-	     only part of what we wanted to. */
-	  return i + (origlen - len);
-	}
-      myaddr += todo;
-      memaddr += todo;
-      len -= todo;
-    }
-  return origlen;
-}
-
-/* Read or write LEN bytes from inferior memory at MEMADDR,
-   transferring to or from debugger address BUFFER.  Write to inferior if
-   SHOULD_WRITE is nonzero.  Returns length of data written or read; 0
-   for error.  TARGET is unused.  */
-
-/* ARGSUSED */
-static int
-remote_xfer_memory (CORE_ADDR mem_addr, char *buffer, int mem_len,
-		    int should_write, struct mem_attrib *attrib,
-		    struct target_ops *target)
-{
-  CORE_ADDR targ_addr;
-  int targ_len;
-  int res;
-
-  REMOTE_TRANSLATE_XFER_ADDRESS (mem_addr, mem_len, &targ_addr, &targ_len);
-  if (targ_len <= 0)
-    return 0;
-
-  if (should_write)
-    res = remote_write_bytes (targ_addr, buffer, targ_len);
-  else
-    res = remote_read_bytes (targ_addr, buffer, targ_len);
-
-  return res;
-}
-
-
-#if 0
-/* Enable after 4.12.  */
-
-void
-remote_search (int len, char *data, char *mask, CORE_ADDR startaddr,
-	       int increment, CORE_ADDR lorange, CORE_ADDR hirange,
-	       CORE_ADDR *addr_found, char *data_found)
-{
-  if (increment == -4 && len == 4)
-    {
-      long mask_long, data_long;
-      long data_found_long;
-      CORE_ADDR addr_we_found;
-      char *buf = alloca (rs->remote_packet_size);
-      long returned_long[2];
-      char *p;
-
-      mask_long = extract_unsigned_integer (mask, len);
-      data_long = extract_unsigned_integer (data, len);
-      sprintf (buf, "t%x:%x,%x", startaddr, data_long, mask_long);
-      putpkt (buf);
-      getpkt (buf, (rs->remote_packet_size), 0);
-      if (buf[0] == '\0')
-	{
-	  /* The stub doesn't support the 't' request.  We might want to
-	     remember this fact, but on the other hand the stub could be
-	     switched on us.  Maybe we should remember it only until
-	     the next "target remote".  */
-	  generic_search (len, data, mask, startaddr, increment, lorange,
-			  hirange, addr_found, data_found);
-	  return;
-	}
-
-      if (buf[0] == 'E')
-	/* There is no correspondance between what the remote protocol uses
-	   for errors and errno codes.  We would like a cleaner way of
-	   representing errors (big enough to include errno codes, bfd_error
-	   codes, and others).  But for now just use EIO.  */
-	memory_error (EIO, startaddr);
-      p = buf;
-      addr_we_found = 0;
-      while (*p != '\0' && *p != ',')
-	addr_we_found = (addr_we_found << 4) + fromhex (*p++);
-      if (*p == '\0')
-	error ("Protocol error: short return for search");
-
-      data_found_long = 0;
-      while (*p != '\0' && *p != ',')
-	data_found_long = (data_found_long << 4) + fromhex (*p++);
-      /* Ignore anything after this comma, for future extensions.  */
-
-      if (addr_we_found < lorange || addr_we_found >= hirange)
-	{
-	  *addr_found = 0;
-	  return;
-	}
-
-      *addr_found = addr_we_found;
-      *data_found = store_unsigned_integer (data_we_found, len);
-      return;
-    }
-  generic_search (len, data, mask, startaddr, increment, lorange,
-		  hirange, addr_found, data_found);
-}
-#endif /* 0 */
-
-static void
-remote_files_info (struct target_ops *ignore)
-{
-  puts_filtered ("Debugging a target over a serial line.\n");
-}
-
-/* Stuff for dealing with the packets which are part of this protocol.
-   See comment at top of file for details.  */
-
-/* Read a single character from the remote end, masking it down to 7 bits. */
-
-static int
-readchar (int timeout)
-{
-  int ch;
-
-  ch = serial_readchar (remote_desc, timeout);
-
-  if (ch >= 0)
-    return (ch & 0x7f);
-
-  switch ((enum serial_rc) ch)
-    {
-    case SERIAL_EOF:
-      target_mourn_inferior ();
-      error ("Remote connection closed");
-      /* no return */
-    case SERIAL_ERROR:
-      perror_with_name ("Remote communication error");
-      /* no return */
-    case SERIAL_TIMEOUT:
-      break;
-    }
-  return ch;
-}
-
-/* Send the command in BUF to the remote machine, and read the reply
-   into BUF.  Report an error if we get an error reply.  */
-
-static void
-remote_send (char *buf,
-	     long sizeof_buf)
-{
-  putpkt (buf);
-  getpkt (buf, sizeof_buf, 0);
-
-  if (buf[0] == 'E')
-    error ("Remote failure reply: %s", buf);
-}
-
-/* Display a null-terminated packet on stdout, for debugging, using C
-   string notation.  */
-
-static void
-print_packet (char *buf)
-{
-  puts_filtered ("\"");
-  fputstr_filtered (buf, '"', gdb_stdout);
-  puts_filtered ("\"");
-}
-
-int
-putpkt (char *buf)
-{
-  return putpkt_binary (buf, strlen (buf));
-}
-
-/* Send a packet to the remote machine, with error checking.  The data
-   of the packet is in BUF.  The string in BUF can be at most  (rs->remote_packet_size) - 5
-   to account for the $, # and checksum, and for a possible /0 if we are
-   debugging (remote_debug) and want to print the sent packet as a string */
-
-static int
-putpkt_binary (char *buf, int cnt)
-{
-  struct remote_state *rs = get_remote_state ();
-  int i;
-  unsigned char csum = 0;
-  char *buf2 = alloca (cnt + 6);
-  long sizeof_junkbuf = (rs->remote_packet_size);
-  char *junkbuf = alloca (sizeof_junkbuf);
-
-  int ch;
-  int tcount = 0;
-  char *p;
-
-  /* Copy the packet into buffer BUF2, encapsulating it
-     and giving it a checksum.  */
-
-  p = buf2;
-  *p++ = '$';
-
-  for (i = 0; i < cnt; i++)
-    {
-      csum += buf[i];
-      *p++ = buf[i];
-    }
-  *p++ = '#';
-  *p++ = tohex ((csum >> 4) & 0xf);
-  *p++ = tohex (csum & 0xf);
-
-  /* Send it over and over until we get a positive ack.  */
-
-  while (1)
-    {
-      int started_error_output = 0;
-
-      if (remote_debug)
-	{
-	  *p = '\0';
-	  fprintf_unfiltered (gdb_stdlog, "Sending packet: ");
-	  fputstrn_unfiltered (buf2, p - buf2, 0, gdb_stdlog);
-	  fprintf_unfiltered (gdb_stdlog, "...");
-	  gdb_flush (gdb_stdlog);
-	}
-      if (serial_write (remote_desc, buf2, p - buf2))
-	perror_with_name ("putpkt: write failed");
-
-      /* read until either a timeout occurs (-2) or '+' is read */
-      while (1)
-	{
-	  ch = readchar (remote_timeout);
-
-	  if (remote_debug)
-	    {
-	      switch (ch)
-		{
-		case '+':
-		case '-':
-		case SERIAL_TIMEOUT:
-		case '$':
-		  if (started_error_output)
-		    {
-		      putchar_unfiltered ('\n');
-		      started_error_output = 0;
-		    }
-		}
-	    }
-
-	  switch (ch)
-	    {
-	    case '+':
-	      if (remote_debug)
-		fprintf_unfiltered (gdb_stdlog, "Ack\n");
-	      return 1;
-	    case '-':
-	      if (remote_debug)
-		fprintf_unfiltered (gdb_stdlog, "Nak\n");
-	    case SERIAL_TIMEOUT:
-	      tcount++;
-	      if (tcount > 3)
-		return 0;
-	      break;		/* Retransmit buffer */
-	    case '$':
-	      {
-	        if (remote_debug)
-		  fprintf_unfiltered (gdb_stdlog, "Packet instead of Ack, ignoring it\n");
-		/* It's probably an old response, and we're out of sync.
-		   Just gobble up the packet and ignore it.  */
-		read_frame (junkbuf, sizeof_junkbuf);
-		continue;	/* Now, go look for + */
-	      }
-	    default:
-	      if (remote_debug)
-		{
-		  if (!started_error_output)
-		    {
-		      started_error_output = 1;
-		      fprintf_unfiltered (gdb_stdlog, "putpkt: Junk: ");
-		    }
-		  fputc_unfiltered (ch & 0177, gdb_stdlog);
-		}
-	      continue;
-	    }
-	  break;		/* Here to retransmit */
-	}
-
-#if 0
-      /* This is wrong.  If doing a long backtrace, the user should be
-         able to get out next time we call QUIT, without anything as
-         violent as interrupt_query.  If we want to provide a way out of
-         here without getting to the next QUIT, it should be based on
-         hitting ^C twice as in remote_wait.  */
-      if (quit_flag)
-	{
-	  quit_flag = 0;
-	  interrupt_query ();
-	}
-#endif
-    }
-}
-
-static int remote_cisco_mode;
-
-/* Come here after finding the start of the frame.  Collect the rest
-   into BUF, verifying the checksum, length, and handling run-length
-   compression.  No more than sizeof_buf-1 characters are read so that
-   the buffer can be NUL terminated.
-
-   Returns -1 on error, number of characters in buffer (ignoring the
-   trailing NULL) on success. (could be extended to return one of the
-   SERIAL status indications). */
-
-static long
-read_frame (char *buf,
-	    long sizeof_buf)
-{
-  unsigned char csum;
-  long bc;
-  int c;
-
-  csum = 0;
-  bc = 0;
-
-  while (1)
-    {
-      /* ASSERT (bc < sizeof_buf - 1) - space for trailing NUL */
-      c = readchar (remote_timeout);
-      switch (c)
-	{
-	case SERIAL_TIMEOUT:
-	  if (remote_debug)
-	    fputs_filtered ("Timeout in mid-packet, retrying\n", gdb_stdlog);
-	  return -1;
-	case '$':
-	  if (remote_debug)
-	    fputs_filtered ("Saw new packet start in middle of old one\n",
-			    gdb_stdlog);
-	  return -1;		/* Start a new packet, count retries */
-	case '#':
-	  {
-	    unsigned char pktcsum;
-	    int check_0 = 0;
-	    int check_1 = 0;
-
-	    buf[bc] = '\0';
-
-	    check_0 = readchar (remote_timeout);
-	    if (check_0 >= 0)
-	      check_1 = readchar (remote_timeout);
-	    
-	    if (check_0 == SERIAL_TIMEOUT || check_1 == SERIAL_TIMEOUT)
-	      {
-		if (remote_debug)
-		  fputs_filtered ("Timeout in checksum, retrying\n", gdb_stdlog);
-		return -1;
-	      }
-	    else if (check_0 < 0 || check_1 < 0)
-	      {
-		if (remote_debug)
-		  fputs_filtered ("Communication error in checksum\n", gdb_stdlog);
-		return -1;
-	      }
-
-	    pktcsum = (fromhex (check_0) << 4) | fromhex (check_1);
-	    if (csum == pktcsum)
-              return bc;
-
-	    if (remote_debug)
-	      {
-		fprintf_filtered (gdb_stdlog,
-			      "Bad checksum, sentsum=0x%x, csum=0x%x, buf=",
-				  pktcsum, csum);
-		fputs_filtered (buf, gdb_stdlog);
-		fputs_filtered ("\n", gdb_stdlog);
-	      }
-	    /* Number of characters in buffer ignoring trailing
-               NUL. */
-	    return -1;
-	  }
-	case '*':		/* Run length encoding */
-          {
-	    int repeat;
- 	    csum += c;
-
-	    if (remote_cisco_mode == 0)
-	      {
-		c = readchar (remote_timeout);
-		csum += c;
-		repeat = c - ' ' + 3;	/* Compute repeat count */
-	      }
-	    else 
-	      { 
-		/* Cisco's run-length encoding variant uses two 
-		   hex chars to represent the repeat count. */
-
-		c = readchar (remote_timeout);
-		csum += c;
-		repeat  = fromhex (c) << 4;
-		c = readchar (remote_timeout);
-		csum += c;
-		repeat += fromhex (c);
-	      }
-
-	    /* The character before ``*'' is repeated. */
-
-	    if (repeat > 0 && repeat <= 255 
-		&& bc > 0
-                && bc + repeat - 1 < sizeof_buf - 1)
-	      {
-		memset (&buf[bc], buf[bc - 1], repeat);
-		bc += repeat;
-		continue;
-	      }
-
-	    buf[bc] = '\0';
-	    printf_filtered ("Repeat count %d too large for buffer: ", repeat);
-	    puts_filtered (buf);
-	    puts_filtered ("\n");
-	    return -1;
-	  }
-	default:
-	  if (bc < sizeof_buf - 1)
-	    {
-	      buf[bc++] = c;
-	      csum += c;
-	      continue;
-	    }
-
-	  buf[bc] = '\0';
-	  puts_filtered ("Remote packet too long: ");
-	  puts_filtered (buf);
-	  puts_filtered ("\n");
-
-	  return -1;
-	}
-    }
-}
-
-/* Read a packet from the remote machine, with error checking, and
-   store it in BUF.  If FOREVER, wait forever rather than timing out;
-   this is used (in synchronous mode) to wait for a target that is is
-   executing user code to stop.  */
-/* FIXME: ezannoni 2000-02-01 this wrapper is necessary so that we
-   don't have to change all the calls to getpkt to deal with the
-   return value, because at the moment I don't know what the right
-   thing to do it for those. */
-void
-getpkt (char *buf,
-	long sizeof_buf,
-	int forever)
-{
-  int timed_out;
-
-  timed_out = getpkt_sane (buf, sizeof_buf, forever);
-}
-
-
-/* Read a packet from the remote machine, with error checking, and
-   store it in BUF.  If FOREVER, wait forever rather than timing out;
-   this is used (in synchronous mode) to wait for a target that is is
-   executing user code to stop. If FOREVER == 0, this function is
-   allowed to time out gracefully and return an indication of this to
-   the caller. */
-static int
-getpkt_sane (char *buf,
-	long sizeof_buf,
-	int forever)
-{
-  int c;
-  int tries;
-  int timeout;
-  int val;
-
-  strcpy (buf, "timeout");
-
-  if (forever)
-    {
-      timeout = watchdog > 0 ? watchdog : -1;
-    }
-
-  else
-    timeout = remote_timeout;
-
-#define MAX_TRIES 3
-
-  for (tries = 1; tries <= MAX_TRIES; tries++)
-    {
-      /* This can loop forever if the remote side sends us characters
-         continuously, but if it pauses, we'll get a zero from readchar
-         because of timeout.  Then we'll count that as a retry.  */
-
-      /* Note that we will only wait forever prior to the start of a packet.
-         After that, we expect characters to arrive at a brisk pace.  They
-         should show up within remote_timeout intervals.  */
-
-      do
-	{
-	  c = readchar (timeout);
-
-	  if (c == SERIAL_TIMEOUT)
-	    {
-	      if (forever)	/* Watchdog went off?  Kill the target. */
-		{
-		  QUIT;
-		  target_mourn_inferior ();
-		  error ("Watchdog has expired.  Target detached.\n");
-		}
-	      if (remote_debug)
-		fputs_filtered ("Timed out.\n", gdb_stdlog);
-	      goto retry;
-	    }
-	}
-      while (c != '$');
-
-      /* We've found the start of a packet, now collect the data.  */
-
-      val = read_frame (buf, sizeof_buf);
-
-      if (val >= 0)
-	{
-	  if (remote_debug)
-	    {
-	      fprintf_unfiltered (gdb_stdlog, "Packet received: ");
-	      fputstr_unfiltered (buf, 0, gdb_stdlog);
-	      fprintf_unfiltered (gdb_stdlog, "\n");
-	    }
-	  serial_write (remote_desc, "+", 1);
-	  return 0;
-	}
-
-      /* Try the whole thing again.  */
-    retry:
-      serial_write (remote_desc, "-", 1);
-    }
-
-  /* We have tried hard enough, and just can't receive the packet.  Give up. */
-
-  printf_unfiltered ("Ignoring packet error, continuing...\n");
-  serial_write (remote_desc, "+", 1);
-  return 1;
-}
-
-static void
-remote_kill (void)
-{
-  /* For some mysterious reason, wait_for_inferior calls kill instead of
-     mourn after it gets TARGET_WAITKIND_SIGNALLED.  Work around it.  */
-  if (kill_kludge)
-    {
-      kill_kludge = 0;
-      target_mourn_inferior ();
-      return;
-    }
-
-  /* Use catch_errors so the user can quit from gdb even when we aren't on
-     speaking terms with the remote system.  */
-  catch_errors ((catch_errors_ftype *) putpkt, "k", "", RETURN_MASK_ERROR);
-
-  /* Don't wait for it to die.  I'm not really sure it matters whether
-     we do or not.  For the existing stubs, kill is a noop.  */
-  target_mourn_inferior ();
-}
-
-/* Async version of remote_kill. */
-static void
-remote_async_kill (void)
-{
-  /* Unregister the file descriptor from the event loop. */
-  if (target_is_async_p ())
-    serial_async (remote_desc, NULL, 0);
-
-  /* For some mysterious reason, wait_for_inferior calls kill instead of
-     mourn after it gets TARGET_WAITKIND_SIGNALLED.  Work around it.  */
-  if (kill_kludge)
-    {
-      kill_kludge = 0;
-      target_mourn_inferior ();
-      return;
-    }
-
-  /* Use catch_errors so the user can quit from gdb even when we aren't on
-     speaking terms with the remote system.  */
-  catch_errors ((catch_errors_ftype *) putpkt, "k", "", RETURN_MASK_ERROR);
-
-  /* Don't wait for it to die.  I'm not really sure it matters whether
-     we do or not.  For the existing stubs, kill is a noop.  */
-  target_mourn_inferior ();
-}
-
-static void
-remote_mourn (void)
-{
-  remote_mourn_1 (&remote_ops);
-}
-
-static void
-remote_async_mourn (void)
-{
-  remote_mourn_1 (&remote_async_ops);
-}
-
-static void
-extended_remote_mourn (void)
-{
-  /* We do _not_ want to mourn the target like this; this will
-     remove the extended remote target  from the target stack,
-     and the next time the user says "run" it'll fail. 
-
-     FIXME: What is the right thing to do here?  */
-#if 0
-  remote_mourn_1 (&extended_remote_ops);
-#endif
-}
-
-/* Worker function for remote_mourn.  */
-static void
-remote_mourn_1 (struct target_ops *target)
-{
-  unpush_target (target);
-  generic_mourn_inferior ();
-}
-
-/* In the extended protocol we want to be able to do things like
-   "run" and have them basically work as expected.  So we need
-   a special create_inferior function. 
-
-   FIXME: One day add support for changing the exec file
-   we're debugging, arguments and an environment.  */
-
-static void
-extended_remote_create_inferior (char *exec_file, char *args, char **env)
-{
-  /* Rip out the breakpoints; we'll reinsert them after restarting
-     the remote server.  */
-  remove_breakpoints ();
-
-  /* Now restart the remote server.  */
-  extended_remote_restart ();
-
-  /* Now put the breakpoints back in.  This way we're safe if the
-     restart function works via a unix fork on the remote side.  */
-  insert_breakpoints ();
-
-  /* Clean up from the last time we were running.  */
-  clear_proceed_status ();
-
-  /* Let the remote process run.  */
-  proceed (-1, TARGET_SIGNAL_0, 0);
-}
-
-/* Async version of extended_remote_create_inferior. */
-static void
-extended_remote_async_create_inferior (char *exec_file, char *args, char **env)
-{
-  /* Rip out the breakpoints; we'll reinsert them after restarting
-     the remote server.  */
-  remove_breakpoints ();
-
-  /* If running asynchronously, register the target file descriptor
-     with the event loop. */
-  if (event_loop_p && target_can_async_p ())
-    target_async (inferior_event_handler, 0);
-
-  /* Now restart the remote server.  */
-  extended_remote_restart ();
-
-  /* Now put the breakpoints back in.  This way we're safe if the
-     restart function works via a unix fork on the remote side.  */
-  insert_breakpoints ();
-
-  /* Clean up from the last time we were running.  */
-  clear_proceed_status ();
-
-  /* Let the remote process run.  */
-  proceed (-1, TARGET_SIGNAL_0, 0);
-}
-
-
-/* On some machines, e.g. 68k, we may use a different breakpoint instruction
-   than other targets; in those use REMOTE_BREAKPOINT instead of just
-   BREAKPOINT.  Also, bi-endian targets may define LITTLE_REMOTE_BREAKPOINT
-   and BIG_REMOTE_BREAKPOINT.  If none of these are defined, we just call
-   the standard routines that are in mem-break.c.  */
-
-/* FIXME, these ought to be done in a more dynamic fashion.  For instance,
-   the choice of breakpoint instruction affects target program design and
-   vice versa, and by making it user-tweakable, the special code here
-   goes away and we need fewer special GDB configurations.  */
-
-#if defined (LITTLE_REMOTE_BREAKPOINT) && defined (BIG_REMOTE_BREAKPOINT) && !defined(REMOTE_BREAKPOINT)
-#define REMOTE_BREAKPOINT
-#endif
-
-#ifdef REMOTE_BREAKPOINT
-
-/* If the target isn't bi-endian, just pretend it is.  */
-#if !defined (LITTLE_REMOTE_BREAKPOINT) && !defined (BIG_REMOTE_BREAKPOINT)
-#define LITTLE_REMOTE_BREAKPOINT REMOTE_BREAKPOINT
-#define BIG_REMOTE_BREAKPOINT REMOTE_BREAKPOINT
-#endif
-
-static unsigned char big_break_insn[] = BIG_REMOTE_BREAKPOINT;
-static unsigned char little_break_insn[] = LITTLE_REMOTE_BREAKPOINT;
-
-#endif /* REMOTE_BREAKPOINT */
-
-/* Insert a breakpoint on targets that don't have any better breakpoint
-   support.  We read the contents of the target location and stash it,
-   then overwrite it with a breakpoint instruction.  ADDR is the target
-   location in the target machine.  CONTENTS_CACHE is a pointer to 
-   memory allocated for saving the target contents.  It is guaranteed
-   by the caller to be long enough to save sizeof BREAKPOINT bytes (this
-   is accomplished via BREAKPOINT_MAX).  */
-
-static int
-remote_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
-{
-  struct remote_state *rs = get_remote_state ();
-#ifdef REMOTE_BREAKPOINT
-  int val;
-#endif  
-  int bp_size;
-
-  /* Try the "Z" s/w breakpoint packet if it is not already disabled.
-     If it succeeds, then set the support to PACKET_ENABLE.  If it
-     fails, and the user has explicitly requested the Z support then
-     report an error, otherwise, mark it disabled and go on. */
-  
-  if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
-    {
-      char *buf = alloca (rs->remote_packet_size);
-      char *p = buf;
-      
-      addr = remote_address_masked (addr);
-      *(p++) = 'Z';
-      *(p++) = '0';
-      *(p++) = ',';
-      p += hexnumstr (p, (ULONGEST) addr);
-      BREAKPOINT_FROM_PC (&addr, &bp_size);
-      sprintf (p, ",%d", bp_size);
-      
-      putpkt (buf);
-      getpkt (buf, (rs->remote_packet_size), 0);
-
-      switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_SOFTWARE_BP]))
-	{
-	case PACKET_ERROR:
-	  return -1;
-	case PACKET_OK:
-	  return 0;
-	case PACKET_UNKNOWN:
-	  break;
-	}
-    }
-
-#ifdef REMOTE_BREAKPOINT  
-  val = target_read_memory (addr, contents_cache, sizeof big_break_insn);
-
-  if (val == 0)
-    {
-      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-	val = target_write_memory (addr, (char *) big_break_insn,
-				   sizeof big_break_insn);
-      else
-	val = target_write_memory (addr, (char *) little_break_insn,
-				   sizeof little_break_insn);
-    }
-
-  return val;
-#else
-  return memory_insert_breakpoint (addr, contents_cache);
-#endif /* REMOTE_BREAKPOINT */
-}
-
-static int
-remote_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
-{
-  struct remote_state *rs = get_remote_state ();
-  int bp_size;
-
-  if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
-    {
-      char *buf = alloca (rs->remote_packet_size);
-      char *p = buf;
-      
-      *(p++) = 'z';
-      *(p++) = '0';
-      *(p++) = ',';
-
-      addr = remote_address_masked (addr);
-      p += hexnumstr (p, (ULONGEST) addr);
-      BREAKPOINT_FROM_PC (&addr, &bp_size);
-      sprintf (p, ",%d", bp_size);
-      
-      putpkt (buf);
-      getpkt (buf, (rs->remote_packet_size), 0);
-
-      return (buf[0] == 'E');
-    }
-
-#ifdef REMOTE_BREAKPOINT
-  return target_write_memory (addr, contents_cache, sizeof big_break_insn);
-#else
-  return memory_remove_breakpoint (addr, contents_cache);
-#endif /* REMOTE_BREAKPOINT */
-}
-
-static int
-watchpoint_to_Z_packet (int type)
-{
-  switch (type)
-    {
-    case hw_write:
-      return 2;
-      break;
-    case hw_read:
-      return 3;
-      break;
-    case hw_access:
-      return 4;
-      break;
-    default:
-      internal_error (__FILE__, __LINE__,
-		      "hw_bp_to_z: bad watchpoint type %d", type);
-    }
-}
-
-static int
-remote_insert_watchpoint (CORE_ADDR addr, int len, int type)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  char *p;
-  enum Z_packet_type packet = watchpoint_to_Z_packet (type);
-
-  if (remote_protocol_Z[packet].support == PACKET_DISABLE)
-    error ("Can't set hardware watchpoints without the '%s' (%s) packet\n",
-	   remote_protocol_Z[packet].name,
-	   remote_protocol_Z[packet].title);
-  
-  sprintf (buf, "Z%x,", packet);
-  p = strchr (buf, '\0');
-  addr = remote_address_masked (addr);
-  p += hexnumstr (p, (ULONGEST) addr);
-  sprintf (p, ",%x", len);
-  
-  putpkt (buf);
-  getpkt (buf, (rs->remote_packet_size), 0);
-
-  switch (packet_ok (buf, &remote_protocol_Z[packet]))
-    {
-    case PACKET_ERROR:
-    case PACKET_UNKNOWN:
-      return -1;
-    case PACKET_OK:
-      return 0;
-    }
-  internal_error (__FILE__, __LINE__,
-		  "remote_insert_watchpoint: reached end of function");
-}
-
-
-static int
-remote_remove_watchpoint (CORE_ADDR addr, int len, int type)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  char *p;
-  enum Z_packet_type packet = watchpoint_to_Z_packet (type);
-
-  if (remote_protocol_Z[packet].support == PACKET_DISABLE)
-    error ("Can't clear hardware watchpoints without the '%s' (%s) packet\n",
-	   remote_protocol_Z[packet].name,
-	   remote_protocol_Z[packet].title);
-  
-  sprintf (buf, "z%x,", packet);
-  p = strchr (buf, '\0');
-  addr = remote_address_masked (addr);
-  p += hexnumstr (p, (ULONGEST) addr);
-  sprintf (p, ",%x", len);
-  putpkt (buf);
-  getpkt (buf, (rs->remote_packet_size), 0);
-
-  switch (packet_ok (buf, &remote_protocol_Z[packet]))
-    {
-    case PACKET_ERROR:
-    case PACKET_UNKNOWN:
-      return -1;
-    case PACKET_OK:
-      return 0;
-    }
-  internal_error (__FILE__, __LINE__,
-		  "remote_remove_watchpoint: reached end of function");
-}
-
-
-int remote_hw_watchpoint_limit = 0;
-int remote_hw_breakpoint_limit = 0;
-
-int
-remote_check_watch_resources (int type, int cnt, int ot)
-{
-  if (type == bp_hardware_breakpoint)
-    {
-      if (remote_hw_breakpoint_limit == 0)
-	return 0;
-      else if (cnt <= remote_hw_breakpoint_limit)
-	return 1;
-    }
-  else
-    {
-      if (remote_hw_watchpoint_limit == 0)
-	return 0;
-      else if (ot)
-	return -1;
-      else if (cnt <= remote_hw_watchpoint_limit)
-	return 1;
-    }
-  return -1;
-}
-
-int
-remote_stopped_by_watchpoint (void)
-{
-    return remote_stopped_by_watchpoint_p;
-}
-
-CORE_ADDR
-remote_stopped_data_address (void)
-{
-  if (remote_stopped_by_watchpoint ())
-    return remote_watch_data_address;
-  return (CORE_ADDR)0;
-}
-
-
-static int
-remote_insert_hw_breakpoint (CORE_ADDR addr, char *shadow)
-{
-  int len = 0;
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  char *p = buf;
-      
-  /* The length field should be set to the size of a breakpoint
-     instruction.  */
-
-  BREAKPOINT_FROM_PC (&addr, &len);  
-
-  if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
-    error ("Can't set hardware breakpoint without the '%s' (%s) packet\n",
-	   remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
-	   remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
-  
-  *(p++) = 'Z';
-  *(p++) = '1';
-  *(p++) = ',';
-  
-  addr = remote_address_masked (addr);
-  p += hexnumstr (p, (ULONGEST) addr);
-  sprintf (p, ",%x", len);
-
-  putpkt (buf);
-  getpkt (buf, (rs->remote_packet_size), 0);
-
-  switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
-    {
-    case PACKET_ERROR:
-    case PACKET_UNKNOWN:
-      return -1;
-    case PACKET_OK:
-      return 0;
-    }
-  internal_error (__FILE__, __LINE__,
-		  "remote_insert_hw_breakpoint: reached end of function");
-}
-
-
-static int 
-remote_remove_hw_breakpoint (CORE_ADDR addr, char *shadow)
-{
-  int len;
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-  char *p = buf;
-
-  /* The length field should be set to the size of a breakpoint
-     instruction.  */
-
-  BREAKPOINT_FROM_PC (&addr, &len);
-
-  if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
-    error ("Can't clear hardware breakpoint without the '%s' (%s) packet\n",
-	   remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
-	   remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
-  
-  *(p++) = 'z';
-  *(p++) = '1';
-  *(p++) = ',';
-  
-  addr = remote_address_masked (addr);
-  p += hexnumstr (p, (ULONGEST) addr);
-  sprintf (p, ",%x", len);
-
-  putpkt(buf);
-  getpkt (buf, (rs->remote_packet_size), 0);
-  
-  switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
-    {
-    case PACKET_ERROR:
-    case PACKET_UNKNOWN:
-      return -1;
-    case PACKET_OK:
-      return 0;
-    }
-  internal_error (__FILE__, __LINE__,
-		  "remote_remove_hw_breakpoint: reached end of function");
-}
-
-/* Some targets are only capable of doing downloads, and afterwards
-   they switch to the remote serial protocol.  This function provides
-   a clean way to get from the download target to the remote target.
-   It's basically just a wrapper so that we don't have to expose any
-   of the internal workings of remote.c.
-
-   Prior to calling this routine, you should shutdown the current
-   target code, else you will get the "A program is being debugged
-   already..." message.  Usually a call to pop_target() suffices.  */
-
-void
-push_remote_target (char *name, int from_tty)
-{
-  printf_filtered ("Switching to remote protocol\n");
-  remote_open (name, from_tty);
-}
-
-/* Table used by the crc32 function to calcuate the checksum. */
-
-static unsigned long crc32_table[256] =
-{0, 0};
-
-static unsigned long
-crc32 (unsigned char *buf, int len, unsigned int crc)
-{
-  if (!crc32_table[1])
-    {
-      /* Initialize the CRC table and the decoding table. */
-      int i, j;
-      unsigned int c;
-
-      for (i = 0; i < 256; i++)
-	{
-	  for (c = i << 24, j = 8; j > 0; --j)
-	    c = c & 0x80000000 ? (c << 1) ^ 0x04c11db7 : (c << 1);
-	  crc32_table[i] = c;
-	}
-    }
-
-  while (len--)
-    {
-      crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ *buf) & 255];
-      buf++;
-    }
-  return crc;
-}
-
-/* compare-sections command
-
-   With no arguments, compares each loadable section in the exec bfd
-   with the same memory range on the target, and reports mismatches.
-   Useful for verifying the image on the target against the exec file.
-   Depends on the target understanding the new "qCRC:" request.  */
-
-/* FIXME: cagney/1999-10-26: This command should be broken down into a
-   target method (target verify memory) and generic version of the
-   actual command.  This will allow other high-level code (especially
-   generic_load()) to make use of this target functionality. */
-
-static void
-compare_sections_command (char *args, int from_tty)
-{
-  struct remote_state *rs = get_remote_state ();
-  asection *s;
-  unsigned long host_crc, target_crc;
-  extern bfd *exec_bfd;
-  struct cleanup *old_chain;
-  char *tmp;
-  char *sectdata;
-  const char *sectname;
-  char *buf = alloca (rs->remote_packet_size);
-  bfd_size_type size;
-  bfd_vma lma;
-  int matched = 0;
-  int mismatched = 0;
-
-  if (!exec_bfd)
-    error ("command cannot be used without an exec file");
-  if (!current_target.to_shortname ||
-      strcmp (current_target.to_shortname, "remote") != 0)
-    error ("command can only be used with remote target");
-
-  for (s = exec_bfd->sections; s; s = s->next)
-    {
-      if (!(s->flags & SEC_LOAD))
-	continue;		/* skip non-loadable section */
-
-      size = bfd_get_section_size_before_reloc (s);
-      if (size == 0)
-	continue;		/* skip zero-length section */
-
-      sectname = bfd_get_section_name (exec_bfd, s);
-      if (args && strcmp (args, sectname) != 0)
-	continue;		/* not the section selected by user */
-
-      matched = 1;		/* do this section */
-      lma = s->lma;
-      /* FIXME: assumes lma can fit into long */
-      sprintf (buf, "qCRC:%lx,%lx", (long) lma, (long) size);
-      putpkt (buf);
-
-      /* be clever; compute the host_crc before waiting for target reply */
-      sectdata = xmalloc (size);
-      old_chain = make_cleanup (xfree, sectdata);
-      bfd_get_section_contents (exec_bfd, s, sectdata, 0, size);
-      host_crc = crc32 ((unsigned char *) sectdata, size, 0xffffffff);
-
-      getpkt (buf, (rs->remote_packet_size), 0);
-      if (buf[0] == 'E')
-	error ("target memory fault, section %s, range 0x%s -- 0x%s",
-	       sectname, paddr (lma), paddr (lma + size));
-      if (buf[0] != 'C')
-	error ("remote target does not support this operation");
-
-      for (target_crc = 0, tmp = &buf[1]; *tmp; tmp++)
-	target_crc = target_crc * 16 + fromhex (*tmp);
-
-      printf_filtered ("Section %s, range 0x%s -- 0x%s: ",
-		       sectname, paddr (lma), paddr (lma + size));
-      if (host_crc == target_crc)
-	printf_filtered ("matched.\n");
-      else
-	{
-	  printf_filtered ("MIS-MATCHED!\n");
-	  mismatched++;
-	}
-
-      do_cleanups (old_chain);
-    }
-  if (mismatched > 0)
-    warning ("One or more sections of the remote executable does not match\n\
-the loaded file\n");
-  if (args && !matched)
-    printf_filtered ("No loaded section named '%s'.\n", args);
-}
-
-static int
-remote_query (int query_type, char *buf, char *outbuf, int *bufsiz)
-{
-  struct remote_state *rs = get_remote_state ();
-  int i;
-  char *buf2 = alloca (rs->remote_packet_size);
-  char *p2 = &buf2[0];
-
-  if (!bufsiz)
-    error ("null pointer to remote bufer size specified");
-
-  /* minimum outbuf size is (rs->remote_packet_size) - if bufsiz is not large enough let 
-     the caller know and return what the minimum size is   */
-  /* Note: a zero bufsiz can be used to query the minimum buffer size */
-  if (*bufsiz < (rs->remote_packet_size))
-    {
-      *bufsiz = (rs->remote_packet_size);
-      return -1;
-    }
-
-  /* except for querying the minimum buffer size, target must be open */
-  if (!remote_desc)
-    error ("remote query is only available after target open");
-
-  /* we only take uppercase letters as query types, at least for now */
-  if ((query_type < 'A') || (query_type > 'Z'))
-    error ("invalid remote query type");
-
-  if (!buf)
-    error ("null remote query specified");
-
-  if (!outbuf)
-    error ("remote query requires a buffer to receive data");
-
-  outbuf[0] = '\0';
-
-  *p2++ = 'q';
-  *p2++ = query_type;
-
-  /* we used one buffer char for the remote protocol q command and another
-     for the query type.  As the remote protocol encapsulation uses 4 chars
-     plus one extra in case we are debugging (remote_debug),
-     we have PBUFZIZ - 7 left to pack the query string */
-  i = 0;
-  while (buf[i] && (i < ((rs->remote_packet_size) - 8)))
-    {
-      /* bad caller may have sent forbidden characters */
-      if ((!isprint (buf[i])) || (buf[i] == '$') || (buf[i] == '#'))
-	error ("illegal characters in query string");
-
-      *p2++ = buf[i];
-      i++;
-    }
-  *p2 = buf[i];
-
-  if (buf[i])
-    error ("query larger than available buffer");
-
-  i = putpkt (buf2);
-  if (i < 0)
-    return i;
-
-  getpkt (outbuf, *bufsiz, 0);
-
-  return 0;
-}
-
-static void
-remote_rcmd (char *command,
-	     struct ui_file *outbuf)
-{
-  struct remote_state *rs = get_remote_state ();
-  int i;
-  char *buf = alloca (rs->remote_packet_size);
-  char *p = buf;
-
-  if (!remote_desc)
-    error ("remote rcmd is only available after target open");
-
-  /* Send a NULL command across as an empty command */
-  if (command == NULL)
-    command = "";
-
-  /* The query prefix */
-  strcpy (buf, "qRcmd,");
-  p = strchr (buf, '\0');
-
-  if ((strlen (buf) + strlen (command) * 2 + 8/*misc*/) > (rs->remote_packet_size))
-    error ("\"monitor\" command ``%s'' is too long\n", command);
-
-  /* Encode the actual command */
-  bin2hex (command, p, 0);
-
-  if (putpkt (buf) < 0)
-    error ("Communication problem with target\n");
-
-  /* get/display the response */
-  while (1)
-    {
-      /* XXX - see also tracepoint.c:remote_get_noisy_reply() */
-      buf[0] = '\0';
-      getpkt (buf, (rs->remote_packet_size), 0);
-      if (buf[0] == '\0')
-	error ("Target does not support this command\n");
-      if (buf[0] == 'O' && buf[1] != 'K')
-	{
-	  remote_console_output (buf + 1); /* 'O' message from stub */
-	  continue;
-	}
-      if (strcmp (buf, "OK") == 0)
-	break;
-      if (strlen (buf) == 3 && buf[0] == 'E'
-	  && isdigit (buf[1]) && isdigit (buf[2]))
-	{
-	  error ("Protocol error with Rcmd");
-	}
-      for (p = buf; p[0] != '\0' && p[1] != '\0'; p += 2)
-	{
-	  char c = (fromhex (p[0]) << 4) + fromhex (p[1]);
-	  fputc_unfiltered (c, outbuf);
-	}
-      break;
-    }
-}
-
-static void
-packet_command (char *args, int from_tty)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-
-  if (!remote_desc)
-    error ("command can only be used with remote target");
-
-  if (!args)
-    error ("remote-packet command requires packet text as argument");
-
-  puts_filtered ("sending: ");
-  print_packet (args);
-  puts_filtered ("\n");
-  putpkt (args);
-
-  getpkt (buf, (rs->remote_packet_size), 0);
-  puts_filtered ("received: ");
-  print_packet (buf);
-  puts_filtered ("\n");
-}
-
-#if 0
-/* --------- UNIT_TEST for THREAD oriented PACKETS ------------------------- */
-
-static void display_thread_info (struct gdb_ext_thread_info *info);
-
-static void threadset_test_cmd (char *cmd, int tty);
-
-static void threadalive_test (char *cmd, int tty);
-
-static void threadlist_test_cmd (char *cmd, int tty);
-
-int get_and_display_threadinfo (threadref * ref);
-
-static void threadinfo_test_cmd (char *cmd, int tty);
-
-static int thread_display_step (threadref * ref, void *context);
-
-static void threadlist_update_test_cmd (char *cmd, int tty);
-
-static void init_remote_threadtests (void);
-
-#define SAMPLE_THREAD  0x05060708	/* Truncated 64 bit threadid */
-
-static void
-threadset_test_cmd (char *cmd, int tty)
-{
-  int sample_thread = SAMPLE_THREAD;
-
-  printf_filtered ("Remote threadset test\n");
-  set_thread (sample_thread, 1);
-}
-
-
-static void
-threadalive_test (char *cmd, int tty)
-{
-  int sample_thread = SAMPLE_THREAD;
-
-  if (remote_thread_alive (pid_to_ptid (sample_thread)))
-    printf_filtered ("PASS: Thread alive test\n");
-  else
-    printf_filtered ("FAIL: Thread alive test\n");
-}
-
-void output_threadid (char *title, threadref * ref);
-
-void
-output_threadid (char *title, threadref *ref)
-{
-  char hexid[20];
-
-  pack_threadid (&hexid[0], ref);	/* Convert threead id into hex */
-  hexid[16] = 0;
-  printf_filtered ("%s  %s\n", title, (&hexid[0]));
-}
-
-static void
-threadlist_test_cmd (char *cmd, int tty)
-{
-  int startflag = 1;
-  threadref nextthread;
-  int done, result_count;
-  threadref threadlist[3];
-
-  printf_filtered ("Remote Threadlist test\n");
-  if (!remote_get_threadlist (startflag, &nextthread, 3, &done,
-			      &result_count, &threadlist[0]))
-    printf_filtered ("FAIL: threadlist test\n");
-  else
-    {
-      threadref *scan = threadlist;
-      threadref *limit = scan + result_count;
-
-      while (scan < limit)
-	output_threadid (" thread ", scan++);
-    }
-}
-
-void
-display_thread_info (struct gdb_ext_thread_info *info)
-{
-  output_threadid ("Threadid: ", &info->threadid);
-  printf_filtered ("Name: %s\n ", info->shortname);
-  printf_filtered ("State: %s\n", info->display);
-  printf_filtered ("other: %s\n\n", info->more_display);
-}
-
-int
-get_and_display_threadinfo (threadref *ref)
-{
-  int result;
-  int set;
-  struct gdb_ext_thread_info threadinfo;
-
-  set = TAG_THREADID | TAG_EXISTS | TAG_THREADNAME
-    | TAG_MOREDISPLAY | TAG_DISPLAY;
-  if (0 != (result = remote_get_threadinfo (ref, set, &threadinfo)))
-    display_thread_info (&threadinfo);
-  return result;
-}
-
-static void
-threadinfo_test_cmd (char *cmd, int tty)
-{
-  int athread = SAMPLE_THREAD;
-  threadref thread;
-  int set;
-
-  int_to_threadref (&thread, athread);
-  printf_filtered ("Remote Threadinfo test\n");
-  if (!get_and_display_threadinfo (&thread))
-    printf_filtered ("FAIL cannot get thread info\n");
-}
-
-static int
-thread_display_step (threadref *ref, void *context)
-{
-  /* output_threadid(" threadstep ",ref); *//* simple test */
-  return get_and_display_threadinfo (ref);
-}
-
-static void
-threadlist_update_test_cmd (char *cmd, int tty)
-{
-  printf_filtered ("Remote Threadlist update test\n");
-  remote_threadlist_iterator (thread_display_step, 0, CRAZY_MAX_THREADS);
-}
-
-static void
-init_remote_threadtests (void)
-{
-  add_com ("tlist", class_obscure, threadlist_test_cmd,
-     "Fetch and print the remote list of thread identifiers, one pkt only");
-  add_com ("tinfo", class_obscure, threadinfo_test_cmd,
-	   "Fetch and display info about one thread");
-  add_com ("tset", class_obscure, threadset_test_cmd,
-	   "Test setting to a different thread");
-  add_com ("tupd", class_obscure, threadlist_update_test_cmd,
-	   "Iterate through updating all remote thread info");
-  add_com ("talive", class_obscure, threadalive_test,
-	   " Remote thread alive test ");
-}
-
-#endif /* 0 */
-
-/* Convert a thread ID to a string.  Returns the string in a static
-   buffer.  */
-
-static char *
-remote_pid_to_str (ptid_t ptid)
-{
-  static char buf[30];
-
-  sprintf (buf, "Thread %d", PIDGET (ptid));
-  return buf;
-}
-
-static void
-init_remote_ops (void)
-{
-  remote_ops.to_shortname = "remote";
-  remote_ops.to_longname = "Remote serial target in gdb-specific protocol";
-  remote_ops.to_doc =
-    "Use a remote computer via a serial line, using a gdb-specific protocol.\n\
-Specify the serial device it is connected to\n\
-(e.g. /dev/ttyS0, /dev/ttya, COM1, etc.).";
-  remote_ops.to_open = remote_open;
-  remote_ops.to_close = remote_close;
-  remote_ops.to_detach = remote_detach;
-  remote_ops.to_resume = remote_resume;
-  remote_ops.to_wait = remote_wait;
-  remote_ops.to_fetch_registers = remote_fetch_registers;
-  remote_ops.to_store_registers = remote_store_registers;
-  remote_ops.to_prepare_to_store = remote_prepare_to_store;
-  remote_ops.to_xfer_memory = remote_xfer_memory;
-  remote_ops.to_files_info = remote_files_info;
-  remote_ops.to_insert_breakpoint = remote_insert_breakpoint;
-  remote_ops.to_remove_breakpoint = remote_remove_breakpoint;
-  remote_ops.to_stopped_by_watchpoint = remote_stopped_by_watchpoint;
-  remote_ops.to_stopped_data_address = remote_stopped_data_address;
-  remote_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
-  remote_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
-  remote_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
-  remote_ops.to_insert_watchpoint = remote_insert_watchpoint;
-  remote_ops.to_remove_watchpoint = remote_remove_watchpoint;
-  remote_ops.to_kill = remote_kill;
-  remote_ops.to_load = generic_load;
-  remote_ops.to_mourn_inferior = remote_mourn;
-  remote_ops.to_thread_alive = remote_thread_alive;
-  remote_ops.to_find_new_threads = remote_threads_info;
-  remote_ops.to_pid_to_str = remote_pid_to_str;
-  remote_ops.to_extra_thread_info = remote_threads_extra_info;
-  remote_ops.to_stop = remote_stop;
-  remote_ops.to_query = remote_query;
-  remote_ops.to_rcmd = remote_rcmd;
-  remote_ops.to_stratum = process_stratum;
-  remote_ops.to_has_all_memory = 1;
-  remote_ops.to_has_memory = 1;
-  remote_ops.to_has_stack = 1;
-  remote_ops.to_has_registers = 1;
-  remote_ops.to_has_execution = 1;
-  remote_ops.to_has_thread_control = tc_schedlock;	/* can lock scheduler */
-  remote_ops.to_magic = OPS_MAGIC;
-}
-
-/* Set up the extended remote vector by making a copy of the standard
-   remote vector and adding to it.  */
-
-static void
-init_extended_remote_ops (void)
-{
-  extended_remote_ops = remote_ops;
-
-  extended_remote_ops.to_shortname = "extended-remote";
-  extended_remote_ops.to_longname =
-    "Extended remote serial target in gdb-specific protocol";
-  extended_remote_ops.to_doc =
-    "Use a remote computer via a serial line, using a gdb-specific protocol.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).",
-    extended_remote_ops.to_open = extended_remote_open;
-  extended_remote_ops.to_create_inferior = extended_remote_create_inferior;
-  extended_remote_ops.to_mourn_inferior = extended_remote_mourn;
-}
-
-/*
- * Command: info remote-process
- *
- * This implements Cisco's version of the "info proc" command.
- *
- * This query allows the target stub to return an arbitrary string
- * (or strings) giving arbitrary information about the target process.
- * This is optional; the target stub isn't required to implement it.
- *
- * Syntax: qfProcessInfo        request first string
- *         qsProcessInfo        request subsequent string
- * reply:  'O'<hex-encoded-string>
- *         'l'                  last reply (empty)
- */
-
-static void
-remote_info_process (char *args, int from_tty)
-{
-  struct remote_state *rs = get_remote_state ();
-  char *buf = alloca (rs->remote_packet_size);
-
-  if (remote_desc == 0)
-    error ("Command can only be used when connected to the remote target.");
-
-  putpkt ("qfProcessInfo");
-  getpkt (buf, (rs->remote_packet_size), 0);
-  if (buf[0] == 0)
-    return;			/* Silently: target does not support this feature. */
-
-  if (buf[0] == 'E')
-    error ("info proc: target error.");
-
-  while (buf[0] == 'O')		/* Capitol-O packet */
-    {
-      remote_console_output (&buf[1]);
-      putpkt ("qsProcessInfo");
-      getpkt (buf, (rs->remote_packet_size), 0);
-    }
-}
-
-/*
- * Target Cisco 
- */
-
-static void
-remote_cisco_open (char *name, int from_tty)
-{
-  int ex;
-  if (name == 0)
-    error ("To open a remote debug connection, you need to specify what \n"
-	   "device is attached to the remote system (e.g. host:port).");
-
-  /* See FIXME above */
-  wait_forever_enabled_p = 1;
-
-  target_preopen (from_tty);
-
-  unpush_target (&remote_cisco_ops);
-
-  remote_desc = remote_serial_open (name);
-  if (!remote_desc)
-    perror_with_name (name);
-
-  /*
-   * If a baud rate was specified on the gdb  command line it will
-   * be greater than the initial value of -1.  If it is, use it otherwise
-   * default to 9600
-   */
-
-  baud_rate = (baud_rate > 0) ? baud_rate : 9600;
-  if (serial_setbaudrate (remote_desc, baud_rate))
-    {
-      serial_close (remote_desc);
-      perror_with_name (name);
-    }
-
-  serial_raw (remote_desc);
-
-  /* If there is something sitting in the buffer we might take it as a
-     response to a command, which would be bad.  */
-  serial_flush_input (remote_desc);
-
-  if (from_tty)
-    {
-      puts_filtered ("Remote debugging using ");
-      puts_filtered (name);
-      puts_filtered ("\n");
-    }
-
-  remote_cisco_mode = 1;
-
-  push_target (&remote_cisco_ops);	/* Switch to using cisco target now */
-
-  init_all_packet_configs ();
-
-  general_thread = -2;
-  continue_thread = -2;
-
-  /* Probe for ability to use "ThreadInfo" query, as required.  */
-  use_threadinfo_query = 1;
-  use_threadextra_query = 1;
-  
-  /* Without this, some commands which require an active target (such
-     as kill) won't work.  This variable serves (at least) double duty
-     as both the pid of the target process (if it has such), and as a
-     flag indicating that a target is active.  These functions should
-     be split out into seperate variables, especially since GDB will
-     someday have a notion of debugging several processes.  */
-  inferior_ptid = pid_to_ptid (MAGIC_NULL_PID);
-
-  /* Start the remote connection; if error, discard this target.  See
-     the comments in remote_open_1() for further details such as the
-     need to re-throw the exception.  */
-  ex = catch_exceptions (uiout,
-			 remote_start_remote_dummy, NULL,
-			 "Couldn't establish connection to remote"
-			 " target\n",
-			 RETURN_MASK_ALL);
-  if (ex < 0)
-    {
-      pop_target ();
-      throw_exception (ex);
-    }
-}
-
-static void
-remote_cisco_close (int quitting)
-{
-  remote_cisco_mode = 0;
-  remote_close (quitting);
-}
-
-static void
-remote_cisco_mourn (void)
-{
-  remote_mourn_1 (&remote_cisco_ops);
-}
-
-enum
-{
-  READ_MORE,
-  FATAL_ERROR,
-  ENTER_DEBUG,
-  DISCONNECT_TELNET
-}
-minitelnet_return;
-
-/* Shared between readsocket() and readtty().  The size is arbitrary,
-   however all targets are known to support a 400 character packet.  */
-static char tty_input[400];
-
-static int escape_count;
-static int echo_check;
-extern int quit_flag;
-
-static int
-readsocket (void)
-{
-  int data;
-
-  /* Loop until the socket doesn't have any more data */
-
-  while ((data = readchar (0)) >= 0)
-    {
-      /* Check for the escape sequence */
-      if (data == '|')
-	{
-	  /* If this is the fourth escape, get out */
-	  if (++escape_count == 4)
-	    {
-	      return ENTER_DEBUG;
-	    }
-	  else
-	    {			/* This is a '|', but not the fourth in a row. 
-				   Continue without echoing it.  If it isn't actually 
-				   one of four in a row, it'll be echoed later.  */
-	      continue;
-	    }
-	}
-      else
-	/* Not a '|' */
-	{
-	  /* Ensure any pending '|'s are flushed.  */
-
-	  for (; escape_count > 0; escape_count--)
-	    putchar ('|');
-	}
-
-      if (data == '\r')		/* If this is a return character, */
-	continue;		/*  - just supress it. */
-
-      if (echo_check != -1)	/* Check for echo of user input.  */
-	{
-	  if (tty_input[echo_check] == data)
-	    {
-	      gdb_assert (echo_check <= sizeof (tty_input));
-	      echo_check++;	/* Character matched user input: */
-	      continue;		/* Continue without echoing it.  */
-	    }
-	  else if ((data == '\n') && (tty_input[echo_check] == '\r'))
-	    {			/* End of the line (and of echo checking).  */
-	      echo_check = -1;	/* No more echo supression */
-	      continue;		/* Continue without echoing.  */
-	    }
-	  else
-	    {			/* Failed check for echo of user input.
-				   We now have some suppressed output to flush!  */
-	      int j;
-
-	      for (j = 0; j < echo_check; j++)
-		putchar (tty_input[j]);
-	      echo_check = -1;
-	    }
-	}
-      putchar (data);		/* Default case: output the char.  */
-    }
-
-  if (data == SERIAL_TIMEOUT)	/* Timeout returned from readchar.  */
-    return READ_MORE;		/* Try to read some more */
-  else
-    return FATAL_ERROR;		/* Trouble, bail out */
-}
-
-static int
-readtty (void)
-{
-  int tty_bytecount;
-
-  /* First, read a buffer full from the terminal */
-  tty_bytecount = read (fileno (stdin), tty_input, sizeof (tty_input) - 1);
-  if (tty_bytecount == -1)
-    {
-      perror ("readtty: read failed");
-      return FATAL_ERROR;
-    }
-
-  /* Remove a quoted newline.  */
-  if (tty_input[tty_bytecount - 1] == '\n' &&
-      tty_input[tty_bytecount - 2] == '\\')	/* line ending in backslash */
-    {
-      tty_input[--tty_bytecount] = 0;	/* remove newline */
-      tty_input[--tty_bytecount] = 0;	/* remove backslash */
-    }
-
-  /* Turn trailing newlines into returns */
-  if (tty_input[tty_bytecount - 1] == '\n')
-    tty_input[tty_bytecount - 1] = '\r';
-
-  /* If the line consists of a ~, enter debugging mode.  */
-  if ((tty_input[0] == '~') && (tty_bytecount == 2))
-    return ENTER_DEBUG;
-
-  /* Make this a zero terminated string and write it out */
-  tty_input[tty_bytecount] = 0;
-  if (serial_write (remote_desc, tty_input, tty_bytecount))
-    {
-      perror_with_name ("readtty: write failed");
-      return FATAL_ERROR;
-    }
-
-  return READ_MORE;
-}
-
-static int
-minitelnet (void)
-{
-  fd_set input;			/* file descriptors for select */
-  int tablesize;		/* max number of FDs for select */
-  int status;
-  int quit_count = 0;
-
-  extern int escape_count;	/* global shared by readsocket */
-  extern int echo_check;	/* ditto */
-
-  escape_count = 0;
-  echo_check = -1;
-
-  tablesize = 8 * sizeof (input);
-
-  for (;;)
-    {
-      /* Check for anything from our socket - doesn't block. Note that
-         this must be done *before* the select as there may be
-         buffered I/O waiting to be processed.  */
-
-      if ((status = readsocket ()) == FATAL_ERROR)
-	{
-	  error ("Debugging terminated by communications error");
-	}
-      else if (status != READ_MORE)
-	{
-	  return (status);
-	}
-
-      fflush (stdout);		/* Flush output before blocking */
-
-      /* Now block on more socket input or TTY input */
-
-      FD_ZERO (&input);
-      FD_SET (fileno (stdin), &input);
-      FD_SET (deprecated_serial_fd (remote_desc), &input);
-
-      status = select (tablesize, &input, 0, 0, 0);
-      if ((status == -1) && (errno != EINTR))
-	{
-	  error ("Communications error on select %d", errno);
-	}
-
-      /* Handle Control-C typed */
-
-      if (quit_flag)
-	{
-	  if ((++quit_count) == 2)
-	    {
-	      if (query ("Interrupt GDB? "))
-		{
-		  printf_filtered ("Interrupted by user.\n");
-		  throw_exception (RETURN_QUIT);
-		}
-	      quit_count = 0;
-	    }
-	  quit_flag = 0;
-
-	  if (remote_break)
-	    serial_send_break (remote_desc);
-	  else
-	    serial_write (remote_desc, "\003", 1);
-
-	  continue;
-	}
-
-      /* Handle console input */
-
-      if (FD_ISSET (fileno (stdin), &input))
-	{
-	  quit_count = 0;
-	  echo_check = 0;
-	  status = readtty ();
-	  if (status == READ_MORE)
-	    continue;
-
-	  return status;	/* telnet session ended */
-	}
-    }
-}
-
-static ptid_t
-remote_cisco_wait (ptid_t ptid, struct target_waitstatus *status)
-{
-  if (minitelnet () != ENTER_DEBUG)
-    {
-      error ("Debugging session terminated by protocol error");
-    }
-  putpkt ("?");
-  return remote_wait (ptid, status);
-}
-
-static void
-init_remote_cisco_ops (void)
-{
-  remote_cisco_ops.to_shortname = "cisco";
-  remote_cisco_ops.to_longname = "Remote serial target in cisco-specific protocol";
-  remote_cisco_ops.to_doc =
-    "Use a remote machine via TCP, using a cisco-specific protocol.\n\
-Specify the serial device it is connected to (e.g. host:2020).";
-  remote_cisco_ops.to_open = remote_cisco_open;
-  remote_cisco_ops.to_close = remote_cisco_close;
-  remote_cisco_ops.to_detach = remote_detach;
-  remote_cisco_ops.to_resume = remote_resume;
-  remote_cisco_ops.to_wait = remote_cisco_wait;
-  remote_cisco_ops.to_fetch_registers = remote_fetch_registers;
-  remote_cisco_ops.to_store_registers = remote_store_registers;
-  remote_cisco_ops.to_prepare_to_store = remote_prepare_to_store;
-  remote_cisco_ops.to_xfer_memory = remote_xfer_memory;
-  remote_cisco_ops.to_files_info = remote_files_info;
-  remote_cisco_ops.to_insert_breakpoint = remote_insert_breakpoint;
-  remote_cisco_ops.to_remove_breakpoint = remote_remove_breakpoint;  
-  remote_cisco_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
-  remote_cisco_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
-  remote_cisco_ops.to_insert_watchpoint = remote_insert_watchpoint;
-  remote_cisco_ops.to_remove_watchpoint = remote_remove_watchpoint;
-  remote_cisco_ops.to_stopped_by_watchpoint = remote_stopped_by_watchpoint;
-  remote_cisco_ops.to_stopped_data_address = remote_stopped_data_address;
-  remote_cisco_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
-  remote_cisco_ops.to_kill = remote_kill;
-  remote_cisco_ops.to_load = generic_load;
-  remote_cisco_ops.to_mourn_inferior = remote_cisco_mourn;
-  remote_cisco_ops.to_thread_alive = remote_thread_alive;
-  remote_cisco_ops.to_find_new_threads = remote_threads_info;
-  remote_cisco_ops.to_pid_to_str = remote_pid_to_str;
-  remote_cisco_ops.to_extra_thread_info = remote_threads_extra_info;
-  remote_cisco_ops.to_stratum = process_stratum;
-  remote_cisco_ops.to_has_all_memory = 1;
-  remote_cisco_ops.to_has_memory = 1;
-  remote_cisco_ops.to_has_stack = 1;
-  remote_cisco_ops.to_has_registers = 1;
-  remote_cisco_ops.to_has_execution = 1;
-  remote_cisco_ops.to_magic = OPS_MAGIC;
-}
-
-static int
-remote_can_async_p (void)
-{
-  /* We're async whenever the serial device is. */
-  return (current_target.to_async_mask_value) && serial_can_async_p (remote_desc);
-}
-
-static int
-remote_is_async_p (void)
-{
-  /* We're async whenever the serial device is. */
-  return (current_target.to_async_mask_value) && serial_is_async_p (remote_desc);
-}
-
-/* Pass the SERIAL event on and up to the client.  One day this code
-   will be able to delay notifying the client of an event until the
-   point where an entire packet has been received. */
-
-static void (*async_client_callback) (enum inferior_event_type event_type, void *context);
-static void *async_client_context;
-static serial_event_ftype remote_async_serial_handler;
-
-static void
-remote_async_serial_handler (struct serial *scb, void *context)
-{
-  /* Don't propogate error information up to the client.  Instead let
-     the client find out about the error by querying the target.  */
-  async_client_callback (INF_REG_EVENT, async_client_context);
-}
-
-static void
-remote_async (void (*callback) (enum inferior_event_type event_type, void *context), void *context)
-{
-  if (current_target.to_async_mask_value == 0)
-    internal_error (__FILE__, __LINE__,
-		    "Calling remote_async when async is masked");
-
-  if (callback != NULL)
-    {
-      serial_async (remote_desc, remote_async_serial_handler, NULL);
-      async_client_callback = callback;
-      async_client_context = context;
-    }
-  else
-    serial_async (remote_desc, NULL, NULL);
-}
-
-/* Target async and target extended-async.
-
-   This are temporary targets, until it is all tested.  Eventually
-   async support will be incorporated int the usual 'remote'
-   target. */
-
-static void
-init_remote_async_ops (void)
-{
-  remote_async_ops.to_shortname = "async";
-  remote_async_ops.to_longname = "Remote serial target in async version of the gdb-specific protocol";
-  remote_async_ops.to_doc =
-    "Use a remote computer via a serial line, using a gdb-specific protocol.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).";
-  remote_async_ops.to_open = remote_async_open;
-  remote_async_ops.to_close = remote_close;
-  remote_async_ops.to_detach = remote_async_detach;
-  remote_async_ops.to_resume = remote_async_resume;
-  remote_async_ops.to_wait = remote_async_wait;
-  remote_async_ops.to_fetch_registers = remote_fetch_registers;
-  remote_async_ops.to_store_registers = remote_store_registers;
-  remote_async_ops.to_prepare_to_store = remote_prepare_to_store;
-  remote_async_ops.to_xfer_memory = remote_xfer_memory;
-  remote_async_ops.to_files_info = remote_files_info;
-  remote_async_ops.to_insert_breakpoint = remote_insert_breakpoint;
-  remote_async_ops.to_remove_breakpoint = remote_remove_breakpoint;
-  remote_async_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
-  remote_async_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
-  remote_async_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
-  remote_async_ops.to_insert_watchpoint = remote_insert_watchpoint;
-  remote_async_ops.to_remove_watchpoint = remote_remove_watchpoint;
-  remote_async_ops.to_stopped_by_watchpoint = remote_stopped_by_watchpoint;
-  remote_async_ops.to_stopped_data_address = remote_stopped_data_address;
-  remote_async_ops.to_terminal_inferior = remote_async_terminal_inferior;
-  remote_async_ops.to_terminal_ours = remote_async_terminal_ours;
-  remote_async_ops.to_kill = remote_async_kill;
-  remote_async_ops.to_load = generic_load;
-  remote_async_ops.to_mourn_inferior = remote_async_mourn;
-  remote_async_ops.to_thread_alive = remote_thread_alive;
-  remote_async_ops.to_find_new_threads = remote_threads_info;
-  remote_async_ops.to_pid_to_str = remote_pid_to_str;
-  remote_async_ops.to_extra_thread_info = remote_threads_extra_info;
-  remote_async_ops.to_stop = remote_stop;
-  remote_async_ops.to_query = remote_query;
-  remote_async_ops.to_rcmd = remote_rcmd;
-  remote_async_ops.to_stratum = process_stratum;
-  remote_async_ops.to_has_all_memory = 1;
-  remote_async_ops.to_has_memory = 1;
-  remote_async_ops.to_has_stack = 1;
-  remote_async_ops.to_has_registers = 1;
-  remote_async_ops.to_has_execution = 1;
-  remote_async_ops.to_has_thread_control = tc_schedlock;	/* can lock scheduler */
-  remote_async_ops.to_can_async_p = remote_can_async_p;
-  remote_async_ops.to_is_async_p = remote_is_async_p;
-  remote_async_ops.to_async = remote_async;
-  remote_async_ops.to_async_mask_value = 1;
-  remote_async_ops.to_magic = OPS_MAGIC;
-}
-
-/* Set up the async extended remote vector by making a copy of the standard
-   remote vector and adding to it.  */
-
-static void
-init_extended_async_remote_ops (void)
-{
-  extended_async_remote_ops = remote_async_ops;
-
-  extended_async_remote_ops.to_shortname = "extended-async";
-  extended_async_remote_ops.to_longname =
-    "Extended remote serial target in async gdb-specific protocol";
-  extended_async_remote_ops.to_doc =
-    "Use a remote computer via a serial line, using an async gdb-specific protocol.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).",
-    extended_async_remote_ops.to_open = extended_remote_async_open;
-  extended_async_remote_ops.to_create_inferior = extended_remote_async_create_inferior;
-  extended_async_remote_ops.to_mourn_inferior = extended_remote_mourn;
-}
-
-static void
-set_remote_cmd (char *args, int from_tty)
-{
-}
-
-static void
-show_remote_cmd (char *args, int from_tty)
-{
-  /* FIXME: cagney/2002-06-15: This function should iterate over
-     remote_show_cmdlist for a list of sub commands to show.  */
-  show_remote_protocol_Z_packet_cmd (args, from_tty, NULL);
-  show_remote_protocol_e_packet_cmd (args, from_tty, NULL);
-  show_remote_protocol_E_packet_cmd (args, from_tty, NULL);
-  show_remote_protocol_P_packet_cmd (args, from_tty, NULL);
-  show_remote_protocol_qSymbol_packet_cmd (args, from_tty, NULL);
-  show_remote_protocol_binary_download_cmd (args, from_tty, NULL);
-}
-
-static void
-build_remote_gdbarch_data (void)
-{
-  remote_address_size = TARGET_ADDR_BIT;
-}
-
-/* Saved pointer to previous owner of the new_objfile event. */
-static void (*remote_new_objfile_chain) (struct objfile *);
-
-/* Function to be called whenever a new objfile (shlib) is detected. */
-static void
-remote_new_objfile (struct objfile *objfile)
-{
-  if (remote_desc != 0)		/* Have a remote connection */
-    {
-      remote_check_symbols (objfile);
-    }
-  /* Call predecessor on chain, if any. */
-  if (remote_new_objfile_chain != 0 &&
-      remote_desc == 0)
-    remote_new_objfile_chain (objfile);
-}
-
-void
-_initialize_remote (void)
-{
-  static struct cmd_list_element *remote_set_cmdlist;
-  static struct cmd_list_element *remote_show_cmdlist;
-  struct cmd_list_element *tmpcmd;
-
-  /* architecture specific data */
-  remote_gdbarch_data_handle = register_gdbarch_data (init_remote_state,
-						      free_remote_state);
-
-  /* Old tacky stuff.  NOTE: This comes after the remote protocol so
-     that the remote protocol has been initialized.  */
-  register_gdbarch_swap (&remote_address_size, 
-                         sizeof (&remote_address_size), NULL);
-  register_gdbarch_swap (NULL, 0, build_remote_gdbarch_data);
-
-  init_remote_ops ();
-  add_target (&remote_ops);
-
-  init_extended_remote_ops ();
-  add_target (&extended_remote_ops);
-
-  init_remote_async_ops ();
-  add_target (&remote_async_ops);
-
-  init_extended_async_remote_ops ();
-  add_target (&extended_async_remote_ops);
-
-  init_remote_cisco_ops ();
-  add_target (&remote_cisco_ops);
-
-  /* Hook into new objfile notification.  */
-  remote_new_objfile_chain = target_new_objfile_hook;
-  target_new_objfile_hook  = remote_new_objfile;
-
-#if 0
-  init_remote_threadtests ();
-#endif
-
-  /* set/show remote ... */
-
-  add_prefix_cmd ("remote", class_maintenance, set_remote_cmd, "\
-Remote protocol specific variables\n\
-Configure various remote-protocol specific variables such as\n\
-the packets being used",
-		  &remote_set_cmdlist, "set remote ",
-		  0/*allow-unknown*/, &setlist);
-  add_prefix_cmd ("remote", class_maintenance, show_remote_cmd, "\
-Remote protocol specific variables\n\
-Configure various remote-protocol specific variables such as\n\
-the packets being used",
-		  &remote_show_cmdlist, "show remote ",
-		  0/*allow-unknown*/, &showlist);
-
-  add_cmd ("compare-sections", class_obscure, compare_sections_command,
-	   "Compare section data on target to the exec file.\n\
-Argument is a single section name (default: all loaded sections).",
-	   &cmdlist);
-
-  add_cmd ("packet", class_maintenance, packet_command,
-	   "Send an arbitrary packet to a remote target.\n\
-   maintenance packet TEXT\n\
-If GDB is talking to an inferior via the GDB serial protocol, then\n\
-this command sends the string TEXT to the inferior, and displays the\n\
-response packet.  GDB supplies the initial `$' character, and the\n\
-terminating `#' character and checksum.",
-	   &maintenancelist);
-
-  add_setshow_boolean_cmd ("remotebreak", no_class, &remote_break,
-			   "Set whether to send break if interrupted.\n",
-			   "Show whether to send break if interrupted.\n",
-			   NULL, NULL,
-			   &setlist, &showlist);
-
-  /* Install commands for configuring memory read/write packets. */
-
-  add_cmd ("remotewritesize", no_class, set_memory_write_packet_size,
-	   "Set the maximum number of bytes per memory write packet (deprecated).\n",
-	   &setlist);
-  add_cmd ("remotewritesize", no_class, show_memory_write_packet_size,
-	   "Show the maximum number of bytes per memory write packet (deprecated).\n",
-	   &showlist);
-  add_cmd ("memory-write-packet-size", no_class,
-	   set_memory_write_packet_size,
-	   "Set the maximum number of bytes per memory-write packet.\n"
-	   "Specify the number of bytes in a packet or 0 (zero) for the\n"
-	   "default packet size.  The actual limit is further reduced\n"
-	   "dependent on the target.  Specify ``fixed'' to disable the\n"
-	   "further restriction and ``limit'' to enable that restriction\n",
-	   &remote_set_cmdlist);
-  add_cmd ("memory-read-packet-size", no_class,
-	   set_memory_read_packet_size,
-	   "Set the maximum number of bytes per memory-read packet.\n"
-	   "Specify the number of bytes in a packet or 0 (zero) for the\n"
-	   "default packet size.  The actual limit is further reduced\n"
-	   "dependent on the target.  Specify ``fixed'' to disable the\n"
-	   "further restriction and ``limit'' to enable that restriction\n",
-	   &remote_set_cmdlist);
-  add_cmd ("memory-write-packet-size", no_class,
-	   show_memory_write_packet_size,
-	   "Show the maximum number of bytes per memory-write packet.\n",
-	   &remote_show_cmdlist);
-  add_cmd ("memory-read-packet-size", no_class,
-	   show_memory_read_packet_size,
-	   "Show the maximum number of bytes per memory-read packet.\n",
-	   &remote_show_cmdlist);
-
-  add_show_from_set
-    (add_set_cmd ("remoteaddresssize", class_obscure,
-		  var_integer, (char *) &remote_address_size,
-		  "Set the maximum size of the address (in bits) \
-in a memory packet.\n",
-		  &setlist),
-     &showlist);
-
-  add_packet_config_cmd (&remote_protocol_binary_download,
-			 "X", "binary-download",
-			 set_remote_protocol_binary_download_cmd,
-			 show_remote_protocol_binary_download_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 1);
-#if 0
-  /* XXXX - should ``set remotebinarydownload'' be retained for
-     compatibility. */
-  add_show_from_set
-    (add_set_cmd ("remotebinarydownload", no_class,
-		  var_boolean, (char *) &remote_binary_download,
-		  "Set binary downloads.\n", &setlist),
-     &showlist);
-#endif
-
-  add_info ("remote-process", remote_info_process,
-	    "Query the remote system for process info.");
-
-  add_packet_config_cmd (&remote_protocol_qSymbol,
-			 "qSymbol", "symbol-lookup",
-			 set_remote_protocol_qSymbol_packet_cmd,
-			 show_remote_protocol_qSymbol_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-
-  add_packet_config_cmd (&remote_protocol_e,
-			 "e", "step-over-range",
-			 set_remote_protocol_e_packet_cmd,
-			 show_remote_protocol_e_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-  /* Disable by default.  The ``e'' packet has nasty interactions with
-     the threading code - it relies on global state.  */
-  remote_protocol_e.detect = AUTO_BOOLEAN_FALSE;
-  update_packet_config (&remote_protocol_e);
-
-  add_packet_config_cmd (&remote_protocol_E,
-			 "E", "step-over-range-w-signal",
-			 set_remote_protocol_E_packet_cmd,
-			 show_remote_protocol_E_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-  /* Disable by default.  The ``e'' packet has nasty interactions with
-     the threading code - it relies on global state.  */
-  remote_protocol_E.detect = AUTO_BOOLEAN_FALSE;
-  update_packet_config (&remote_protocol_E);
-
-  add_packet_config_cmd (&remote_protocol_P,
-			 "P", "set-register",
-			 set_remote_protocol_P_packet_cmd,
-			 show_remote_protocol_P_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 1);
-
-  add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP],
-			 "Z0", "software-breakpoint",
-			 set_remote_protocol_Z_software_bp_packet_cmd,
-			 show_remote_protocol_Z_software_bp_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-
-  add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP],
-			 "Z1", "hardware-breakpoint",
-			 set_remote_protocol_Z_hardware_bp_packet_cmd,
-			 show_remote_protocol_Z_hardware_bp_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-
-  add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP],
-			 "Z2", "write-watchpoint",
-			 set_remote_protocol_Z_write_wp_packet_cmd,
-			 show_remote_protocol_Z_write_wp_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-
-  add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP],
-			 "Z3", "read-watchpoint",
-			 set_remote_protocol_Z_read_wp_packet_cmd,
-			 show_remote_protocol_Z_read_wp_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-
-  add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP],
-			 "Z4", "access-watchpoint",
-			 set_remote_protocol_Z_access_wp_packet_cmd,
-			 show_remote_protocol_Z_access_wp_packet_cmd,
-			 &remote_set_cmdlist, &remote_show_cmdlist,
-			 0);
-
-  /* Keep the old ``set remote Z-packet ...'' working. */
-  add_setshow_auto_boolean_cmd ("Z-packet", class_obscure,
-				&remote_Z_packet_detect, "\
-Set use of remote protocol `Z' packets",
-				"Show use of remote protocol `Z' packets ",
-				set_remote_protocol_Z_packet_cmd,
-				show_remote_protocol_Z_packet_cmd,
-				&remote_set_cmdlist, &remote_show_cmdlist);
-}
author	nobody <>	2002-09-07 00:00:05 +0000
committer	nobody <>	2002-09-07 00:00:05 +0000
commit	c1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch)
tree	a98633075cd1f2b034b49446e83e522708d11f68 /gdb/remote.c
parent	2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff)
download	gdb-sid-20020905-branch.zip gdb-sid-20020905-branch.tar.gz gdb-sid-20020905-branch.tar.bz2