/* Default child (native) target interface, for GDB when running under
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/* Default child (native) target interface, for GDB when running under
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Unix.
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Unix.
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Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
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Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
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1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008
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1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "defs.h"
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#include "regcache.h"
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#include "regcache.h"
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#include "memattr.h"
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#include "memattr.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "target.h"
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#include "target.h"
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#include "inferior.h"
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#include "inferior.h"
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#include "gdb_string.h"
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#include "gdb_string.h"
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/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
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/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
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for all registers. */
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for all registers. */
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static void
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static void
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inf_child_fetch_inferior_registers (struct regcache *regcache, int regnum)
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inf_child_fetch_inferior_registers (struct regcache *regcache, int regnum)
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{
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{
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if (regnum == -1)
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if (regnum == -1)
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{
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{
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for (regnum = 0;
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for (regnum = 0;
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regnum < gdbarch_num_regs (get_regcache_arch (regcache));
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regnum < gdbarch_num_regs (get_regcache_arch (regcache));
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regnum++)
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regnum++)
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regcache_raw_supply (regcache, regnum, NULL);
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regcache_raw_supply (regcache, regnum, NULL);
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}
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}
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else
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else
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regcache_raw_supply (regcache, regnum, NULL);
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regcache_raw_supply (regcache, regnum, NULL);
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}
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}
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/* Store register REGNUM back into the inferior. If REGNUM is -1, do
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/* Store register REGNUM back into the inferior. If REGNUM is -1, do
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this for all registers (including the floating point registers). */
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this for all registers (including the floating point registers). */
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static void
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static void
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inf_child_store_inferior_registers (struct regcache *regcache, int regnum)
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inf_child_store_inferior_registers (struct regcache *regcache, int regnum)
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{
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{
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}
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}
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static void
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static void
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inf_child_post_attach (int pid)
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inf_child_post_attach (int pid)
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{
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{
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/* This version of Unix doesn't require a meaningful "post attach"
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/* This version of Unix doesn't require a meaningful "post attach"
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operation by a debugger. */
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operation by a debugger. */
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}
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}
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/* Get ready to modify the registers array. On machines which store
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/* Get ready to modify the registers array. On machines which store
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individual registers, this doesn't need to do anything. On
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individual registers, this doesn't need to do anything. On
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machines which store all the registers in one fell swoop, this
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machines which store all the registers in one fell swoop, this
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makes sure that registers contains all the registers from the
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makes sure that registers contains all the registers from the
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program being debugged. */
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program being debugged. */
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static void
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static void
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inf_child_prepare_to_store (struct regcache *regcache)
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inf_child_prepare_to_store (struct regcache *regcache)
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{
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{
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}
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}
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static void
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static void
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inf_child_open (char *arg, int from_tty)
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inf_child_open (char *arg, int from_tty)
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{
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{
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error (_("Use the \"run\" command to start a Unix child process."));
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error (_("Use the \"run\" command to start a Unix child process."));
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}
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}
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static void
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static void
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inf_child_post_startup_inferior (ptid_t ptid)
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inf_child_post_startup_inferior (ptid_t ptid)
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{
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{
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/* This version of Unix doesn't require a meaningful "post startup
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/* This version of Unix doesn't require a meaningful "post startup
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inferior" operation by a debugger. */
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inferior" operation by a debugger. */
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}
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}
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static void
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static void
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inf_child_acknowledge_created_inferior (int pid)
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inf_child_acknowledge_created_inferior (int pid)
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{
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{
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/* This version of Unix doesn't require a meaningful "acknowledge
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/* This version of Unix doesn't require a meaningful "acknowledge
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created inferior" operation by a debugger. */
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created inferior" operation by a debugger. */
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}
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}
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static void
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static void
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inf_child_insert_fork_catchpoint (int pid)
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inf_child_insert_fork_catchpoint (int pid)
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{
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{
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/* This version of Unix doesn't support notification of fork
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/* This version of Unix doesn't support notification of fork
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events. */
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events. */
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}
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}
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static int
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static int
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inf_child_remove_fork_catchpoint (int pid)
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inf_child_remove_fork_catchpoint (int pid)
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{
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{
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/* This version of Unix doesn't support notification of fork
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/* This version of Unix doesn't support notification of fork
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events. */
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events. */
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return 0;
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return 0;
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}
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}
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static void
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static void
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inf_child_insert_vfork_catchpoint (int pid)
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inf_child_insert_vfork_catchpoint (int pid)
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{
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{
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/* This version of Unix doesn't support notification of vfork
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/* This version of Unix doesn't support notification of vfork
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events. */
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events. */
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}
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}
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static int
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static int
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inf_child_remove_vfork_catchpoint (int pid)
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inf_child_remove_vfork_catchpoint (int pid)
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{
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{
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/* This version of Unix doesn't support notification of vfork
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/* This version of Unix doesn't support notification of vfork
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events. */
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events. */
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return 0;
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return 0;
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}
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}
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static int
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static int
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inf_child_follow_fork (struct target_ops *ops, int follow_child)
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inf_child_follow_fork (struct target_ops *ops, int follow_child)
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{
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{
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/* This version of Unix doesn't support following fork or vfork
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/* This version of Unix doesn't support following fork or vfork
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events. */
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events. */
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return 0;
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return 0;
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}
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}
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static void
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static void
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inf_child_insert_exec_catchpoint (int pid)
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inf_child_insert_exec_catchpoint (int pid)
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{
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{
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/* This version of Unix doesn't support notification of exec
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/* This version of Unix doesn't support notification of exec
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events. */
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events. */
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}
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}
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static int
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static int
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inf_child_remove_exec_catchpoint (int pid)
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inf_child_remove_exec_catchpoint (int pid)
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{
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{
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/* This version of Unix doesn't support notification of exec
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/* This version of Unix doesn't support notification of exec
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events. */
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events. */
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return 0;
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return 0;
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}
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}
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static int
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static int
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inf_child_reported_exec_events_per_exec_call (void)
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inf_child_reported_exec_events_per_exec_call (void)
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{
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{
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/* This version of Unix doesn't support notification of exec
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/* This version of Unix doesn't support notification of exec
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events. */
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events. */
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return 1;
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return 1;
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}
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}
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static int
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static int
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inf_child_can_run (void)
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inf_child_can_run (void)
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{
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{
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return 1;
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return 1;
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}
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}
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static char *
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static char *
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inf_child_pid_to_exec_file (int pid)
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inf_child_pid_to_exec_file (int pid)
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{
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{
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/* This version of Unix doesn't support translation of a process ID
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/* This version of Unix doesn't support translation of a process ID
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to the filename of the executable file. */
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to the filename of the executable file. */
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return NULL;
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return NULL;
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}
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}
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struct target_ops *
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struct target_ops *
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inf_child_target (void)
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inf_child_target (void)
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{
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{
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struct target_ops *t = XZALLOC (struct target_ops);
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struct target_ops *t = XZALLOC (struct target_ops);
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t->to_shortname = "child";
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t->to_shortname = "child";
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t->to_longname = "Unix child process";
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t->to_longname = "Unix child process";
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t->to_doc = "Unix child process (started by the \"run\" command).";
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t->to_doc = "Unix child process (started by the \"run\" command).";
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t->to_open = inf_child_open;
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t->to_open = inf_child_open;
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t->to_post_attach = inf_child_post_attach;
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t->to_post_attach = inf_child_post_attach;
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t->to_fetch_registers = inf_child_fetch_inferior_registers;
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t->to_fetch_registers = inf_child_fetch_inferior_registers;
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t->to_store_registers = inf_child_store_inferior_registers;
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t->to_store_registers = inf_child_store_inferior_registers;
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t->to_prepare_to_store = inf_child_prepare_to_store;
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t->to_prepare_to_store = inf_child_prepare_to_store;
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t->to_insert_breakpoint = memory_insert_breakpoint;
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t->to_insert_breakpoint = memory_insert_breakpoint;
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t->to_remove_breakpoint = memory_remove_breakpoint;
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t->to_remove_breakpoint = memory_remove_breakpoint;
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t->to_terminal_init = terminal_init_inferior;
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t->to_terminal_init = terminal_init_inferior;
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t->to_terminal_inferior = terminal_inferior;
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t->to_terminal_inferior = terminal_inferior;
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t->to_terminal_ours_for_output = terminal_ours_for_output;
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t->to_terminal_ours_for_output = terminal_ours_for_output;
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t->to_terminal_save_ours = terminal_save_ours;
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t->to_terminal_save_ours = terminal_save_ours;
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t->to_terminal_ours = terminal_ours;
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t->to_terminal_ours = terminal_ours;
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t->to_terminal_info = child_terminal_info;
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t->to_terminal_info = child_terminal_info;
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t->to_post_startup_inferior = inf_child_post_startup_inferior;
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t->to_post_startup_inferior = inf_child_post_startup_inferior;
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t->to_acknowledge_created_inferior = inf_child_acknowledge_created_inferior;
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t->to_acknowledge_created_inferior = inf_child_acknowledge_created_inferior;
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t->to_insert_fork_catchpoint = inf_child_insert_fork_catchpoint;
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t->to_insert_fork_catchpoint = inf_child_insert_fork_catchpoint;
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t->to_remove_fork_catchpoint = inf_child_remove_fork_catchpoint;
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t->to_remove_fork_catchpoint = inf_child_remove_fork_catchpoint;
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t->to_insert_vfork_catchpoint = inf_child_insert_vfork_catchpoint;
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t->to_insert_vfork_catchpoint = inf_child_insert_vfork_catchpoint;
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t->to_remove_vfork_catchpoint = inf_child_remove_vfork_catchpoint;
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t->to_remove_vfork_catchpoint = inf_child_remove_vfork_catchpoint;
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t->to_follow_fork = inf_child_follow_fork;
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t->to_follow_fork = inf_child_follow_fork;
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t->to_insert_exec_catchpoint = inf_child_insert_exec_catchpoint;
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t->to_insert_exec_catchpoint = inf_child_insert_exec_catchpoint;
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t->to_remove_exec_catchpoint = inf_child_remove_exec_catchpoint;
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t->to_remove_exec_catchpoint = inf_child_remove_exec_catchpoint;
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t->to_reported_exec_events_per_exec_call =
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t->to_reported_exec_events_per_exec_call =
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inf_child_reported_exec_events_per_exec_call;
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inf_child_reported_exec_events_per_exec_call;
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t->to_can_run = inf_child_can_run;
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t->to_can_run = inf_child_can_run;
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t->to_pid_to_exec_file = inf_child_pid_to_exec_file;
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t->to_pid_to_exec_file = inf_child_pid_to_exec_file;
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t->to_stratum = process_stratum;
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t->to_stratum = process_stratum;
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t->to_has_all_memory = 1;
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t->to_has_all_memory = 1;
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t->to_has_memory = 1;
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t->to_has_memory = 1;
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t->to_has_stack = 1;
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t->to_has_stack = 1;
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t->to_has_registers = 1;
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t->to_has_registers = 1;
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t->to_has_execution = 1;
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t->to_has_execution = 1;
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t->to_magic = OPS_MAGIC;
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t->to_magic = OPS_MAGIC;
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return t;
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return t;
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}
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}
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