387 lines
9.0 KiB
C
387 lines
9.0 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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{
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"mac", /* to_shortname */
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"MacOS application", /* to_longname */
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"MacOS application (started by the \"run\" command).", /* to_doc */
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child_open, /* to_open */
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child_close, /* to_close */
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child_attach, /* to_attach */
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child_detach, /* to_detach */
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child_resume, /* to_resume */
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child_wait, /* to_wait */
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child_fetch_inferior_registers,/* to_fetch_registers */
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child_store_inferior_registers,/* to_store_registers */
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child_prepare_to_store, /* to_prepare_to_store */
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child_xfer_memory, /* to_xfer_memory */
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child_files_info, /* to_files_info */
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memory_insert_breakpoint, /* to_insert_breakpoint */
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memory_remove_breakpoint, /* to_remove_breakpoint */
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0, /* to_terminal_init */
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0, /* to_terminal_inferior */
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0, /* to_terminal_ours_for_output */
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0, /* to_terminal_ours */
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0, /* to_terminal_info */
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child_kill_inferior, /* to_kill */
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0, /* to_load */
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0, /* to_lookup_symbol */
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child_create_inferior, /* to_create_inferior */
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child_mourn_inferior, /* to_mourn_inferior */
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child_can_run, /* to_can_run */
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0, /* to_notice_signals */
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0, /* to_thread_alive */
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child_stop, /* to_stop */
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process_stratum, /* to_stratum */
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0, /* to_next */
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1, /* to_has_all_memory */
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1, /* to_has_memory */
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1, /* to_has_stack */
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1, /* to_has_registers */
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1, /* to_has_execution */
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0, /* to_sections */
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0, /* to_sections_end */
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OPS_MAGIC /* to_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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add_target (&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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