411 lines
11 KiB
C
411 lines
11 KiB
C
/* Target-vector operations for controlling Mac applications, for GDB.
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Copyright (C) 1995 Free Software Foundation, Inc.
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Written by Stan Shebs. Contributed by Cygnus Support.
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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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it under the terms of the GNU General Public License as published by
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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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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without eve nthe 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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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Note that because all the available Mac compilers are ANSI or very
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close, and this is a native-only file, the code may be purely ANSI. */
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#include "defs.h"
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#include "frame.h" /* required by inferior.h */
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#include "inferior.h"
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#include "target.h"
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#include "wait.h"
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#include "gdbcore.h"
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#include "command.h"
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#include <signal.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "buildsym.h"
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#include "gdb_string.h"
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#include "gdbthread.h"
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#include "gdbcmd.h"
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#include <Processes.h>
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/* We call the functions "child_..." rather than "mac_..." so no one
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is tempted to try to link this with other native-only code. */
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/* Forward declaration */
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extern struct target_ops child_ops;
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static void child_stop PARAMS ((void));
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static void
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child_fetch_inferior_registers (int r)
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{
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if (r < 0)
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{
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for (r = 0; r < NUM_REGS; r++)
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child_fetch_inferior_registers (r);
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}
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else
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{
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supply_register (r, 0);
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}
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}
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static void
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child_store_inferior_registers (int r)
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{
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if (r < 0)
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{
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for (r = 0; r < NUM_REGS; r++)
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child_store_inferior_registers (r);
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}
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else
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{
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read_register_gen (r, 0);
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}
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}
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static int
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child_wait (int pid, struct target_waitstatus *ourstatus)
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{
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}
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/* Attach to process PID, then initialize for debugging it. */
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static void
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child_attach (args, from_tty)
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char *args;
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int from_tty;
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{
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ProcessSerialNumber psn;
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ProcessInfoRec inforec;
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Str31 name;
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FSSpecPtr fsspec;
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OSType code;
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int pid;
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char *exec_file;
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if (!args)
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error_no_arg ("process-id to attach");
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pid = atoi (args);
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psn.highLongOfPSN = 0;
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psn.lowLongOfPSN = pid;
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inforec.processInfoLength = sizeof(ProcessInfoRec);
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inforec.processName = name;
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inforec.processAppSpec = fsspec;
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if (GetProcessInformation (&psn, &inforec) == noErr)
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{
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if (from_tty)
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{
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exec_file = (char *) get_exec_file (0);
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if (exec_file)
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printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
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target_pid_to_str (pid));
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else
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printf_unfiltered ("Attaching to %s\n", target_pid_to_str (pid));
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gdb_flush (gdb_stdout);
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}
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/* Do we need to do anything special? */
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attach_flag = 1;
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inferior_pid = pid;
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push_target (&child_ops);
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}
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}
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static void
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child_detach (args, from_tty)
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char *args;
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int from_tty;
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{
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char *exec_file;
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if (from_tty)
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{
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exec_file = get_exec_file (0);
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if (exec_file == 0)
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exec_file = "";
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printf_unfiltered ("Detaching from program: %s %s\n", exec_file,
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target_pid_to_str (inferior_pid));
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gdb_flush (gdb_stdout);
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}
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inferior_pid = 0;
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unpush_target (&child_ops);
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}
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/* Print status information about what we're accessing. */
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static void
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child_files_info (ignore)
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struct target_ops *ignore;
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{
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printf_unfiltered ("\tUsing the running image of %s %s.\n",
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attach_flag ? "attached" : "child", target_pid_to_str (inferior_pid));
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}
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/* ARGSUSED */
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static void
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child_open (arg, from_tty)
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char *arg;
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int from_tty;
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{
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error ("Use the \"run\" command to start a Mac application.");
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}
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/* Start an inferior Mac program and sets inferior_pid to its pid.
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EXEC_FILE is the file to run.
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ALLARGS is a string containing the arguments to the program.
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ENV is the environment vector to pass. Errors reported with error(). */
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static void
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child_create_inferior (exec_file, allargs, env)
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char *exec_file;
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char *allargs;
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char **env;
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{
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LaunchParamBlockRec launchparms;
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FSSpec fsspec;
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OSErr launch_err;
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if (!exec_file)
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{
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error ("No executable specified, use `target exec'.\n");
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}
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launchparms.launchBlockID = extendedBlock;
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launchparms.launchEPBLength = extendedBlockLen;
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launchparms.launchFileFlags = 0;
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launchparms.launchControlFlags = launchContinue | launchNoFileFlags;
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fsspec.vRefNum = 0;
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fsspec.parID = 0;
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strcpy(fsspec.name + 1, exec_file);
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fsspec.name[0] = strlen(exec_file);
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launchparms.launchAppSpec = &fsspec;
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launchparms.launchAppParameters = nil;
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launch_err = LaunchApplication (&launchparms);
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if (launch_err == 999 /*memFullErr*/)
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{
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error ("Not enough memory to launch %s\n", exec_file);
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}
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else if (launch_err != noErr)
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{
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error ("Error launching %s, code %d\n", exec_file, launch_err);
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}
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inferior_pid = launchparms.launchProcessSN.lowLongOfPSN;
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/* FIXME be sure that high long of PSN is 0 */
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push_target (&child_ops);
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init_wait_for_inferior ();
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clear_proceed_status ();
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/* proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_0, 0); */
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}
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static void
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child_mourn_inferior ()
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{
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unpush_target (&child_ops);
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generic_mourn_inferior ();
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}
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static void
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child_stop ()
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{
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}
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int
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child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
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int write, struct target_ops *target)
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{
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int i;
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for (i = 0; i < len; ++i)
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{
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if (write)
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{
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((char *) memaddr)[i] = myaddr[i];
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}
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else
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{
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myaddr[i] = ((char *) memaddr)[i];
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}
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}
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return len;
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}
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void
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child_kill_inferior (void)
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{
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}
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void
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child_resume (int pid, int step, enum target_signal signal)
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{
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}
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static void
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child_prepare_to_store ()
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{
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/* Do nothing, since we can store individual regs */
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}
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static int
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child_can_run ()
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{
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return 1;
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}
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static void
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child_close ()
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{
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}
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static void
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info_proc (args, from_tty)
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char *args;
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int from_tty;
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{
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ProcessSerialNumber psn;
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ProcessInfoRec inforec;
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Str31 name;
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FSSpecPtr fsspec;
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OSType code;
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/* Eventually use args, but not right now. */
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psn.highLongOfPSN = 0;
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psn.lowLongOfPSN = kNoProcess;
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inforec.processInfoLength = sizeof(ProcessInfoRec);
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inforec.processName = name;
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inforec.processAppSpec = fsspec;
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printf_filtered ("Process Name Sgnt Type PSN Loc Size FreeMem Time\n");
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while (GetNextProcess (&psn) == noErr)
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{
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if (GetProcessInformation (&psn, &inforec) == noErr)
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{
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name[name[0] + 1] = '\0';
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printf_filtered ("%-32.32s", name + 1);
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code = inforec.processSignature;
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printf_filtered (" %c%c%c%c",
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(code >> 24) & 0xff,
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(code >> 16) & 0xff,
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(code >> 8) & 0xff,
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(code >> 0) & 0xff);
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code = inforec.processType;
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printf_filtered (" %c%c%c%c",
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(code >> 24) & 0xff,
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(code >> 16) & 0xff,
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(code >> 8) & 0xff,
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(code >> 0) & 0xff);
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if (psn.highLongOfPSN == 0)
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printf_filtered (" %9d", psn.lowLongOfPSN);
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else
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printf_filtered (" %9d,%9d\n",
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psn.highLongOfPSN, psn.lowLongOfPSN);
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printf_filtered (" 0x%x", inforec.processLocation);
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printf_filtered (" %9d", inforec.processSize);
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printf_filtered (" %9d", inforec.processFreeMem);
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printf_filtered (" %9d", inforec.processActiveTime);
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printf_filtered ("\n");
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}
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}
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}
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struct target_ops child_ops ;
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static void init_child_ops(void)
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{
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child_ops.to_shortname = "mac";
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child_ops.to_longname = "MacOS application";
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child_ops.to_doc = "MacOS application (started by the \"run\" command).";
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child_ops.to_open = child_open;
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child_ops.to_close = child_close;
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child_ops.to_attach = child_attach;
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child_ops.to_post_attach = NULL;
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child_ops.to_require_attach = NULL; /* to_require_attach */
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child_ops.to_detach = child_detach;
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child_ops.to_require_detach = NULL; /* to_require_detach */
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child_ops.to_resume = child_resume;
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child_ops.to_wait = child_wait;
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child_ops.to_post_wait = NULL; /* to_post_wait */
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child_ops.to_fetch_registers = child_fetch_inferior_registers;
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child_ops.to_store_registers = child_store_inferior_registers;
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child_ops.to_prepare_to_store = child_prepare_to_store;
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child_ops.to_xfer_memory = child_xfer_memory;
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child_ops.to_files_info = child_files_info;
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child_ops.to_insert_breakpoint = memory_insert_breakpoint;
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child_ops.to_remove_breakpoint = memory_remove_breakpoint;
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child_ops.to_terminal_init = 0;
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child_ops.to_terminal_inferior = 0;
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child_ops.to_terminal_ours_for_output = 0;
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child_ops.to_terminal_ours = 0;
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child_ops.to_terminal_info = 0;
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child_ops.to_kill = child_kill_inferior;
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child_ops.to_load = 0;
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child_ops.to_lookup_symbol = 0;
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child_ops.to_create_inferior = child_create_inferior;
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child_ops.to_post_startup_inferior = NULL; /* to_post_startup_inferior */
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child_ops.to_acknowledge_created_inferior = NULL; /* to_acknowledge_created_inferior */
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child_ops.to_clone_and_follow_inferior = NULL; /* to_clone_and_follow_inferior */
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child_ops.to_post_follow_inferior_by_clone = NULL; /* to_post_follow_inferior_by_clone */
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child_ops.to_insert_fork_catchpoint = NULL;
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child_ops.to_remove_fork_catchpoint = NULL;
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child_ops.to_insert_vfork_catchpoint = NULL;
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child_ops.to_remove_vfork_catchpoint = NULL;
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child_ops.to_has_forked = NULL; /* to_has_forked */
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child_ops.to_has_vforked = NULL; /* to_has_vforked */
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child_ops.to_can_follow_vfork_prior_to_exec = NULL;
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child_ops.to_post_follow_vfork = NULL; /* to_post_follow_vfork */
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child_ops.to_insert_exec_catchpoint = NULL;
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child_ops.to_remove_exec_catchpoint = NULL;
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child_ops.to_has_execd = NULL;
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child_ops.to_reported_exec_events_per_exec_call = NULL;
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child_ops.to_has_exited = NULL;
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child_ops.to_mourn_inferior = child_mourn_inferior;
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child_ops.to_can_run = child_can_run;
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child_ops.to_notice_signals = 0;
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child_ops.to_thread_alive = 0;
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child_ops.to_stop = child_stop;
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child_ops.to_pid_to_exec_file = NULL; /* to_pid_to_exec_file */
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child_ops.to_core_file_to_sym_file = NULL;
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child_ops.to_stratum = process_stratum;
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child_ops.DONT_USE = 0;
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child_ops.to_has_all_memory = 1;
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child_ops.to_has_memory = 1;
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child_ops.to_has_stack = 1;
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child_ops.to_has_registers = 1;
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child_ops.to_has_execution = 1;
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child_ops.to_sections = 0;
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child_ops.to_sections_end = 0;
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child_ops.to_magic = OPS_MAGIC;
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};
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void
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_initialize_mac_nat ()
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{
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init_child_ops() ;
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add_info ("proc", info_proc,
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"Show information about processes.");
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}
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