1991-03-28 16:26:26 +00:00
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/* Low level interface to ptrace, for GDB when running under Unix.
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1992-02-21 01:35:32 +00:00
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Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
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1991-03-28 16:26:26 +00:00
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This file is part of GDB.
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1991-08-14 00:09:58 +00:00
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This program is free software; you can redistribute it and/or modify
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1991-03-28 16:26:26 +00:00
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it under the terms of the GNU General Public License as published by
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1991-08-14 00:09:58 +00:00
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1991-03-28 16:26:26 +00:00
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1991-08-14 00:09:58 +00:00
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This program is distributed in the hope that it will be useful,
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1991-03-28 16:26:26 +00:00
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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1991-08-14 00:09:58 +00:00
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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1991-03-28 16:26:26 +00:00
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#include "defs.h"
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#include "frame.h"
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#include "inferior.h"
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#include "command.h"
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#include "signals.h"
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#include "terminal.h"
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#include "target.h"
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#ifdef USG
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#include <sys/types.h>
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#endif
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/* Some USG-esque systems (some of which are BSD-esque enough so that USG
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is not defined) want this header, and it won't do any harm. */
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#include <fcntl.h>
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#include <sys/param.h>
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#include <signal.h>
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* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
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static void
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kill_command PARAMS ((char *, int));
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static void
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terminal_ours_1 PARAMS ((int));
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1991-12-05 11:56:20 +00:00
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1991-03-28 16:26:26 +00:00
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extern struct target_ops child_ops;
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/* Nonzero if we are debugging an attached outside process
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rather than an inferior. */
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int attach_flag;
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/* Record terminal status separately for debugger and inferior. */
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1991-12-05 11:56:20 +00:00
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/* Does GDB have a terminal (on stdin)? */
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int gdb_has_a_terminal;
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* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
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#if !defined(__GO32__)
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1991-03-28 16:26:26 +00:00
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static TERMINAL sg_inferior;
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static TERMINAL sg_ours;
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* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
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#endif
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1991-03-28 16:26:26 +00:00
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static int tflags_inferior;
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static int tflags_ours;
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#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
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static struct tchars tc_inferior;
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static struct tchars tc_ours;
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#endif
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* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
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#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
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1991-03-28 16:26:26 +00:00
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static struct ltchars ltc_inferior;
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static struct ltchars ltc_ours;
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#endif
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#ifdef TIOCLGET
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static int lmode_inferior;
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static int lmode_ours;
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#endif
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#ifdef TIOCGPGRP
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* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
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# ifdef SHORT_PGRP
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static short pgrp_inferior;
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static short pgrp_ours;
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1992-01-14 20:31:40 +00:00
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# else /* not def SHORT_PGRP */
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1991-03-28 16:26:26 +00:00
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static int pgrp_inferior;
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static int pgrp_ours;
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1992-01-14 20:31:40 +00:00
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# endif /* not def SHORT_PGRP */
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#else /* not def TIOCGPGRP */
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1991-03-28 16:26:26 +00:00
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static void (*sigint_ours) ();
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static void (*sigquit_ours) ();
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#endif /* TIOCGPGRP */
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1991-12-05 11:56:20 +00:00
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/* The name of the tty (from the `tty' command) that we gave to the inferior
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when it was last started. */
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1991-03-28 16:26:26 +00:00
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1991-12-05 11:56:20 +00:00
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static char *inferior_thisrun_terminal;
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1991-03-28 16:26:26 +00:00
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/* Nonzero if our terminal settings are in effect.
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Zero if the inferior's settings are in effect. */
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1991-12-05 11:56:20 +00:00
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1991-03-28 16:26:26 +00:00
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static int terminal_is_ours;
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1991-12-05 11:56:20 +00:00
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/* Macro for printing errors from ioctl operations */
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#define OOPSY(what) \
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if (result == -1) \
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fprintf(stderr, "[%s failed in terminal_inferior: %s]\n", \
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what, strerror (errno))
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static void terminal_ours_1 ();
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1991-03-28 16:26:26 +00:00
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/* Initialize the terminal settings we record for the inferior,
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before we actually run the inferior. */
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void
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terminal_init_inferior ()
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{
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* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
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#if !defined(__GO32__)
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1991-03-28 16:26:26 +00:00
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sg_inferior = sg_ours;
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tflags_inferior = tflags_ours;
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#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
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tc_inferior = tc_ours;
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#endif
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* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
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#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
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1991-03-28 16:26:26 +00:00
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ltc_inferior = ltc_ours;
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#endif
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#ifdef TIOCLGET
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lmode_inferior = lmode_ours;
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#endif
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#ifdef TIOCGPGRP
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pgrp_inferior = inferior_pid;
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#endif /* TIOCGPGRP */
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* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
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#endif
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1991-03-28 16:26:26 +00:00
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terminal_is_ours = 1;
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}
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/* Put the inferior's terminal settings into effect.
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This is preparation for starting or resuming the inferior. */
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void
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terminal_inferior ()
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{
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* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
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#if !defined(__GO32__)
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1991-12-05 11:56:20 +00:00
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int result;
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if (gdb_has_a_terminal && terminal_is_ours && inferior_thisrun_terminal == 0)
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1991-03-28 16:26:26 +00:00
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{
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1991-12-05 11:56:20 +00:00
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result = fcntl (0, F_SETFL, tflags_inferior);
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result = fcntl (0, F_SETFL, tflags_inferior);
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OOPSY ("fcntl F_SETFL");
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result = ioctl (0, TIOCSETN, &sg_inferior);
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OOPSY ("ioctl TIOCSETN");
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1991-03-28 16:26:26 +00:00
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#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
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1991-12-05 11:56:20 +00:00
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result = ioctl (0, TIOCSETC, &tc_inferior);
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OOPSY ("ioctl TIOCSETC");
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1991-03-28 16:26:26 +00:00
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#endif
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* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
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#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
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1991-12-05 11:56:20 +00:00
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|
|
result = ioctl (0, TIOCSLTC, <c_inferior);
|
|
|
|
|
OOPSY ("ioctl TIOCSLTC");
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef TIOCLGET
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCLSET, &lmode_inferior);
|
|
|
|
|
OOPSY ("ioctl TIOCLSET");
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef TIOCGPGRP
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCSPGRP, &pgrp_inferior);
|
1992-01-14 20:31:40 +00:00
|
|
|
|
/* If we attached to the process, we might or might not be sharing
|
|
|
|
|
a terminal. Avoid printing error msg if we are unable to set our
|
|
|
|
|
terminal's process group to his process group ID. */
|
|
|
|
|
if (!attach_flag) {
|
|
|
|
|
OOPSY ("ioctl TIOCSPGRP");
|
|
|
|
|
}
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#else
|
|
|
|
|
sigint_ours = (void (*) ()) signal (SIGINT, SIG_IGN);
|
|
|
|
|
sigquit_ours = (void (*) ()) signal (SIGQUIT, SIG_IGN);
|
|
|
|
|
#endif /* TIOCGPGRP */
|
|
|
|
|
}
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#endif
|
1991-03-28 16:26:26 +00:00
|
|
|
|
terminal_is_ours = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Put some of our terminal settings into effect,
|
|
|
|
|
enough to get proper results from our output,
|
|
|
|
|
but do not change into or out of RAW mode
|
|
|
|
|
so that no input is discarded.
|
|
|
|
|
|
|
|
|
|
After doing this, either terminal_ours or terminal_inferior
|
|
|
|
|
should be called to get back to a normal state of affairs. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
terminal_ours_for_output ()
|
|
|
|
|
{
|
|
|
|
|
terminal_ours_1 (1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Put our terminal settings into effect.
|
|
|
|
|
First record the inferior's terminal settings
|
|
|
|
|
so they can be restored properly later. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
terminal_ours ()
|
|
|
|
|
{
|
|
|
|
|
terminal_ours_1 (0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
terminal_ours_1 (output_only)
|
|
|
|
|
int output_only;
|
|
|
|
|
{
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#if !defined(__GO32__)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
int result;
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#ifdef TIOCGPGRP
|
|
|
|
|
/* Ignore this signal since it will happen when we try to set the pgrp. */
|
|
|
|
|
void (*osigttou) ();
|
|
|
|
|
#endif /* TIOCGPGRP */
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
/* Checking inferior_thisrun_terminal is necessary so that
|
1991-03-28 16:26:26 +00:00
|
|
|
|
if GDB is running in the background, it won't block trying
|
1991-12-05 11:56:20 +00:00
|
|
|
|
to do the ioctl()'s below. Checking gdb_has_a_terminal
|
|
|
|
|
avoids attempting all the ioctl's when running in batch. */
|
|
|
|
|
if (inferior_thisrun_terminal != 0 || gdb_has_a_terminal == 0)
|
1991-03-28 16:26:26 +00:00
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (!terminal_is_ours)
|
|
|
|
|
{
|
|
|
|
|
terminal_is_ours = 1;
|
|
|
|
|
|
|
|
|
|
#ifdef TIOCGPGRP
|
|
|
|
|
osigttou = (void (*) ()) signal (SIGTTOU, SIG_IGN);
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCGPGRP, &pgrp_inferior);
|
|
|
|
|
result = ioctl (0, TIOCSPGRP, &pgrp_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
|
|
|
|
signal (SIGTTOU, osigttou);
|
|
|
|
|
#else
|
|
|
|
|
signal (SIGINT, sigint_ours);
|
|
|
|
|
signal (SIGQUIT, sigquit_ours);
|
|
|
|
|
#endif /* TIOCGPGRP */
|
|
|
|
|
|
|
|
|
|
tflags_inferior = fcntl (0, F_GETFL, 0);
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCGETP, &sg_inferior);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
|
|
|
|
#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCGETC, &tc_inferior);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCGLTC, <c_inferior);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef TIOCLGET
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCLGET, &lmode_inferior);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
sg_ours.c_lflag |= ICANON;
|
|
|
|
|
if (output_only && !(sg_inferior.c_lflag & ICANON))
|
|
|
|
|
sg_ours.c_lflag &= ~ICANON;
|
|
|
|
|
#else /* not HAVE_TERMIO */
|
|
|
|
|
sg_ours.sg_flags &= ~RAW & ~CBREAK;
|
|
|
|
|
if (output_only)
|
|
|
|
|
sg_ours.sg_flags |= (RAW | CBREAK) & sg_inferior.sg_flags;
|
|
|
|
|
#endif /* not HAVE_TERMIO */
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = fcntl (0, F_SETFL, tflags_ours);
|
|
|
|
|
result = fcntl (0, F_SETFL, tflags_ours);
|
|
|
|
|
result = ioctl (0, TIOCSETN, &sg_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
|
|
|
|
#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCSETC, &tc_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCSLTC, <c_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef TIOCLGET
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCLSET, &lmode_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
sg_ours.c_lflag |= ICANON;
|
|
|
|
|
#else /* not HAVE_TERMIO */
|
|
|
|
|
sg_ours.sg_flags &= ~RAW & ~CBREAK;
|
|
|
|
|
#endif /* not HAVE_TERMIO */
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
|
|
|
|
|
result = result; /* lint */
|
|
|
|
|
#endif
|
1991-03-28 16:26:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ARGSUSED */
|
|
|
|
|
void
|
|
|
|
|
term_info (arg, from_tty)
|
|
|
|
|
char *arg;
|
|
|
|
|
int from_tty;
|
|
|
|
|
{
|
|
|
|
|
target_terminal_info (arg, from_tty);
|
|
|
|
|
}
|
|
|
|
|
|
1991-08-14 00:09:58 +00:00
|
|
|
|
/* ARGSUSED */
|
1991-03-28 16:26:26 +00:00
|
|
|
|
void
|
|
|
|
|
child_terminal_info (args, from_tty)
|
|
|
|
|
char *args;
|
|
|
|
|
int from_tty;
|
|
|
|
|
{
|
|
|
|
|
register int i;
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
if (!gdb_has_a_terminal) {
|
|
|
|
|
printf_filtered ("This GDB does not control a terminal.\n");
|
|
|
|
|
return;
|
|
|
|
|
}
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#if !defined(__GO32__)
|
1992-01-14 20:31:40 +00:00
|
|
|
|
#ifdef TIOCGPGRP
|
1991-03-28 16:26:26 +00:00
|
|
|
|
printf_filtered ("Inferior's terminal status (currently saved by GDB):\n");
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
printf_filtered ("owner pgrp = %d, fcntl flags = 0x%x.\n",
|
|
|
|
|
pgrp_inferior, tflags_inferior);
|
1992-01-14 20:31:40 +00:00
|
|
|
|
#endif /* TIOCGPGRP */
|
1991-12-05 11:56:20 +00:00
|
|
|
|
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
|
1991-12-05 19:34:08 +00:00
|
|
|
|
printf_filtered ("c_iflag = 0x%x, c_oflag = 0x%x,\n",
|
1991-12-05 11:56:20 +00:00
|
|
|
|
sg_inferior.c_iflag, sg_inferior.c_oflag);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
printf_filtered ("c_cflag = 0x%x, c_lflag = 0x%x, c_line = 0x%x.\n",
|
|
|
|
|
sg_inferior.c_cflag, sg_inferior.c_lflag, sg_inferior.c_line);
|
|
|
|
|
printf_filtered ("c_cc: ");
|
|
|
|
|
for (i = 0; (i < NCC); i += 1)
|
|
|
|
|
printf_filtered ("0x%x ", sg_inferior.c_cc[i]);
|
|
|
|
|
printf_filtered ("\n");
|
|
|
|
|
|
|
|
|
|
#else /* not HAVE_TERMIO */
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
printf_filtered ("sgttyb.sg_flags = 0x%x.\n", sg_inferior.sg_flags);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
|
|
|
|
#endif /* not HAVE_TERMIO */
|
|
|
|
|
|
|
|
|
|
#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
|
|
|
|
|
printf_filtered ("tchars: ");
|
|
|
|
|
for (i = 0; i < (int)sizeof (struct tchars); i++)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
printf_filtered ("0x%x ", ((unsigned char *)&tc_inferior)[i]);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
printf_filtered ("\n");
|
|
|
|
|
#endif
|
|
|
|
|
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
|
1991-03-28 16:26:26 +00:00
|
|
|
|
printf_filtered ("ltchars: ");
|
|
|
|
|
for (i = 0; i < (int)sizeof (struct ltchars); i++)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
printf_filtered ("0x%x ", ((unsigned char *)<c_inferior)[i]);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
printf_filtered ("\n");
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef TIOCLGET
|
|
|
|
|
printf_filtered ("lmode: 0x%x\n", lmode_inferior);
|
|
|
|
|
#endif
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#else
|
|
|
|
|
printf_filtered("This is a DOS machine; there is no terminal state\n");
|
|
|
|
|
#endif
|
|
|
|
|
|
1991-03-28 16:26:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
1991-08-14 00:09:58 +00:00
|
|
|
|
/* NEW_TTY_PREFORK is called before forking a new child process,
|
|
|
|
|
so we can record the state of ttys in the child to be formed.
|
|
|
|
|
TTYNAME is null if we are to share the terminal with gdb;
|
|
|
|
|
or points to a string containing the name of the desired tty.
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
1991-08-14 00:09:58 +00:00
|
|
|
|
NEW_TTY is called in new child processes under Unix, which will
|
|
|
|
|
become debugger target processes. This actually switches to
|
|
|
|
|
the terminal specified in the NEW_TTY_PREFORK call. */
|
|
|
|
|
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
void
|
1991-08-14 00:09:58 +00:00
|
|
|
|
new_tty_prefork (ttyname)
|
1991-03-28 16:26:26 +00:00
|
|
|
|
char *ttyname;
|
|
|
|
|
{
|
|
|
|
|
/* Save the name for later, for determining whether we and the child
|
|
|
|
|
are sharing a tty. */
|
|
|
|
|
inferior_thisrun_terminal = ttyname;
|
1991-08-14 00:09:58 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
new_tty ()
|
|
|
|
|
{
|
|
|
|
|
register int tty;
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
void (*osigttou) ();
|
1991-08-14 00:09:58 +00:00
|
|
|
|
|
|
|
|
|
if (inferior_thisrun_terminal == 0)
|
1991-03-28 16:26:26 +00:00
|
|
|
|
return;
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#if !defined(__GO32__)
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#ifdef TIOCNOTTY
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
/* Disconnect the child process from our controlling terminal. On some
|
|
|
|
|
systems (SVR4 for example), this may cause a SIGTTOU, so temporarily
|
|
|
|
|
ignore SIGTTOU. */
|
1991-03-28 16:26:26 +00:00
|
|
|
|
tty = open("/dev/tty", O_RDWR);
|
|
|
|
|
if (tty > 0)
|
|
|
|
|
{
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
osigttou = (void (*)()) signal(SIGTTOU, SIG_IGN);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
ioctl(tty, TIOCNOTTY, 0);
|
|
|
|
|
close(tty);
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
(void) signal(SIGTTOU, osigttou);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Now open the specified new terminal. */
|
|
|
|
|
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
#ifdef USE_O_NOCTTY
|
|
|
|
|
tty = open(inferior_thisrun_terminal, O_RDWR | O_NOCTTY);
|
|
|
|
|
#else
|
1991-08-14 00:09:58 +00:00
|
|
|
|
tty = open(inferior_thisrun_terminal, O_RDWR);
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
#endif
|
1991-03-28 16:26:26 +00:00
|
|
|
|
if (tty == -1)
|
|
|
|
|
{
|
1991-08-14 00:09:58 +00:00
|
|
|
|
print_sys_errmsg (inferior_thisrun_terminal, errno);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
_exit(1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Avoid use of dup2; doesn't exist on all systems. */
|
|
|
|
|
if (tty != 0)
|
|
|
|
|
{ close (0); dup (tty); }
|
|
|
|
|
if (tty != 1)
|
|
|
|
|
{ close (1); dup (tty); }
|
|
|
|
|
if (tty != 2)
|
|
|
|
|
{ close (2); dup (tty); }
|
|
|
|
|
if (tty > 2)
|
|
|
|
|
close(tty);
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#endif /* !go32*/o
|
1991-03-28 16:26:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Kill the inferior process. Make us have no inferior. */
|
|
|
|
|
|
|
|
|
|
/* ARGSUSED */
|
|
|
|
|
static void
|
|
|
|
|
kill_command (arg, from_tty)
|
|
|
|
|
char *arg;
|
|
|
|
|
int from_tty;
|
|
|
|
|
{
|
|
|
|
|
if (inferior_pid == 0)
|
|
|
|
|
error ("The program is not being run.");
|
|
|
|
|
if (!query ("Kill the inferior process? "))
|
|
|
|
|
error ("Not confirmed.");
|
1992-02-21 01:35:32 +00:00
|
|
|
|
target_kill ();
|
1991-04-22 20:08:53 +00:00
|
|
|
|
|
|
|
|
|
/* Killing off the inferior can leave us with a core file. If so,
|
|
|
|
|
print the state we are left in. */
|
|
|
|
|
if (target_has_stack) {
|
|
|
|
|
printf_filtered ("In %s,\n", current_target->to_longname);
|
|
|
|
|
if (selected_frame == NULL)
|
|
|
|
|
fputs_filtered ("No selected stack frame.\n", stdout);
|
|
|
|
|
else
|
1991-09-11 01:49:50 +00:00
|
|
|
|
print_stack_frame (selected_frame, selected_frame_level, 1);
|
1991-04-22 20:08:53 +00:00
|
|
|
|
}
|
1991-03-28 16:26:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* The inferior process has died. Long live the inferior! */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
generic_mourn_inferior ()
|
|
|
|
|
{
|
|
|
|
|
inferior_pid = 0;
|
|
|
|
|
attach_flag = 0;
|
|
|
|
|
mark_breakpoints_out ();
|
|
|
|
|
registers_changed ();
|
|
|
|
|
|
|
|
|
|
#ifdef CLEAR_DEFERRED_STORES
|
|
|
|
|
/* Delete any pending stores to the inferior... */
|
|
|
|
|
CLEAR_DEFERRED_STORES;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
reopen_exec_file ();
|
1991-04-22 20:08:53 +00:00
|
|
|
|
if (target_has_stack) {
|
1991-03-28 16:26:26 +00:00
|
|
|
|
set_current_frame ( create_new_frame (read_register (FP_REGNUM),
|
|
|
|
|
read_pc ()));
|
1991-04-22 20:08:53 +00:00
|
|
|
|
select_frame (get_current_frame (), 0);
|
|
|
|
|
} else {
|
1991-03-28 16:26:26 +00:00
|
|
|
|
set_current_frame (0);
|
1991-04-22 20:08:53 +00:00
|
|
|
|
select_frame ((FRAME) 0, -1);
|
|
|
|
|
}
|
1991-03-28 16:26:26 +00:00
|
|
|
|
/* It is confusing to the user for ignore counts to stick around
|
|
|
|
|
from previous runs of the inferior. So clear them. */
|
|
|
|
|
breakpoint_clear_ignore_counts ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
child_mourn_inferior ()
|
|
|
|
|
{
|
|
|
|
|
unpush_target (&child_ops);
|
|
|
|
|
generic_mourn_inferior ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
|
/* This function is just for testing, and on some systems (Sony NewsOS
|
|
|
|
|
3.2) <sys/user.h> also includes <sys/time.h> which leads to errors
|
|
|
|
|
(since on this system at least sys/time.h is not protected against
|
|
|
|
|
multiple inclusion). */
|
|
|
|
|
/* ARGSUSED */
|
|
|
|
|
static void
|
|
|
|
|
try_writing_regs_command (arg, from_tty)
|
|
|
|
|
char *arg;
|
|
|
|
|
int from_tty;
|
|
|
|
|
{
|
|
|
|
|
register int i;
|
|
|
|
|
register int value;
|
|
|
|
|
|
|
|
|
|
if (inferior_pid == 0)
|
|
|
|
|
error ("There is no inferior process now.");
|
|
|
|
|
|
|
|
|
|
/* A Sun 3/50 or 3/60 (at least) running SunOS 4.0.3 will have a
|
|
|
|
|
kernel panic if we try to write past the end of the user area.
|
|
|
|
|
Presumably Sun will fix this bug (it has been reported), but it
|
|
|
|
|
is tacky to crash the system, so at least on SunOS4 we need to
|
|
|
|
|
stop writing when we hit the end of the user area. */
|
|
|
|
|
for (i = 0; i < sizeof (struct user); i += 2)
|
|
|
|
|
{
|
|
|
|
|
QUIT;
|
|
|
|
|
errno = 0;
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
value = call_ptrace (3, inferior_pid, (PTRACE_ARG3_TYPE) i, 0);
|
|
|
|
|
call_ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) i, value);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
if (errno == 0)
|
|
|
|
|
{
|
|
|
|
|
printf (" Succeeded with address 0x%x; value 0x%x (%d).\n",
|
|
|
|
|
i, value, value);
|
|
|
|
|
}
|
|
|
|
|
else if ((i & 0377) == 0)
|
|
|
|
|
printf (" Failed at 0x%x.\n", i);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
_initialize_inflow ()
|
|
|
|
|
{
|
1991-12-05 11:56:20 +00:00
|
|
|
|
int result;
|
|
|
|
|
|
1991-03-28 16:26:26 +00:00
|
|
|
|
add_info ("terminal", term_info,
|
|
|
|
|
"Print inferior's saved terminal status.");
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
|
add_com ("try-writing-regs", class_obscure, try_writing_regs_command,
|
|
|
|
|
"Try writing all locations in inferior's system block.\n\
|
|
|
|
|
Report which ones can be written.");
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
add_com ("kill", class_run, kill_command,
|
|
|
|
|
"Kill execution of program being debugged.");
|
|
|
|
|
|
|
|
|
|
inferior_pid = 0;
|
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
/* Get all the current tty settings (including whether we have a tty at
|
|
|
|
|
all!). */
|
|
|
|
|
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#if !defined(__GO32__)
|
1991-09-11 01:49:50 +00:00
|
|
|
|
tflags_ours = fcntl (0, F_GETFL, 0);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
1991-12-05 11:56:20 +00:00
|
|
|
|
result = ioctl (0, TIOCGETP, &sg_ours);
|
|
|
|
|
if (result == 0) {
|
|
|
|
|
gdb_has_a_terminal = 1;
|
|
|
|
|
/* Get the rest of the tty settings, then... */
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#if defined(TIOCGETC) && !defined(TIOCGETC_BROKEN)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
ioctl (0, TIOCGETC, &tc_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
* defs.h: Incorporate param.h. All users changed.
* param-no-tm.h: Change users to define TM_FILE_OVERRIDE instead.
* param.h, param-no-tm.h: Removed.
* Update copyrights in all changed files.
* dbxread.c, dwarfread.c, inflow.c, infrun.c, m2-exp.y, putenv.c,
solib.c, symtab.h, tm-umax.h, valprint.c: Lint.
* tm-convex.h, tm-hp300hpux.h, tm-merlin.h, tm-sparc.h,
xm-merlin.h: Avoid host include files in target descriptions.
* getpagesize.h: Removed, libiberty copes now.
1991-11-21 18:42:05 +00:00
|
|
|
|
#if defined(TIOCGLTC) && !defined(TIOCGLTC_BROKEN)
|
1991-12-05 11:56:20 +00:00
|
|
|
|
ioctl (0, TIOCGLTC, <c_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef TIOCLGET
|
1991-12-05 11:56:20 +00:00
|
|
|
|
ioctl (0, TIOCLGET, &lmode_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef TIOCGPGRP
|
1991-12-05 11:56:20 +00:00
|
|
|
|
ioctl (0, TIOCGPGRP, &pgrp_ours);
|
1991-03-28 16:26:26 +00:00
|
|
|
|
#endif /* TIOCGPGRP */
|
1991-12-05 11:56:20 +00:00
|
|
|
|
} else {
|
|
|
|
|
gdb_has_a_terminal = 0;
|
|
|
|
|
}
|
* Makefile.in (VERSION): Bump to 4.5.6.
* coffread.c (coff_end_symtab): Cast 2nd arg of complain() to
correct type.
* defs.h (NORETURN): Define away for Lucid compiler.
* remote.c (remote_timer, remote_interrupt): Signal handlers
take one int arg.
* ser-termios.c (serial_write, serial_close): Return whatever
value the write/close call returns, rather than falling off end.
* inferior.h (PTRACE_ARG3_TYPE): Third arg to ptrace is int on
more systems than it is "char *". Define PTRACE_ARG3_TYPE to
default to int.
* infptrace.c, hppabsd-xdep.c, hppahpux-xdep.c, i386-xdep.c,
inferior.h (call_ptrace): Use PTRACE_ARG3_TYPE to declare type
of third arg.
* a68v-xdep.c, arm-xdep.c, convex-xdep.c, hp300ux-xdep.c, infrun.c,
m88k-xdep.c, mach386-xdep.c, mips-xdep.c, os68k-xdep.c, pyr-tdep.c,
pyr-xdep.c, rs6000-xdep.c, sparc-xdep.c, sun3-xdep.c, sun386-xdep.c,
symm-xdep.c, ultra3-xdep.c: Use PTRACE_ARG3_TYPE to cast ptrace
argument 3.
* sparc-xdep.c, a68v-xdep.c (fetch_inferior_registers,
store_inferior_registers): Supply missing fourth argument to
ptrace().
1992-06-24 04:49:48 +00:00
|
|
|
|
#else
|
|
|
|
|
gdb_has_a_terminal = 0;
|
|
|
|
|
#endif
|
|
|
|
|
|
1991-03-28 16:26:26 +00:00
|
|
|
|
|
|
|
|
|
terminal_is_ours = 1;
|
|
|
|
|
}
|