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-rw-r--r--gdb/mac-nat.c384
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diff --git a/gdb/mac-nat.c b/gdb/mac-nat.c
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+/* Target-vector operations for controlling Mac applications, for GDB.
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Written by Stan Shebs. Contributed by Cygnus Support.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without eve nthe implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Note that because all the available Mac compilers are ANSI or very
+ close, and this is a native-only file, the code may be purely ANSI. */
+
+#include "defs.h"
+#include "frame.h" /* required by inferior.h */
+#include "inferior.h"
+#include "target.h"
+#include "wait.h"
+#include "gdbcore.h"
+#include "command.h"
+#include <signal.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include "buildsym.h"
+#include "gdb_string.h"
+#include "thread.h"
+#include "gdbcmd.h"
+
+#include <Processes.h>
+
+/* We call the functions "child_..." rather than "mac_..." so no one
+ is tempted to try to link this with other native-only code. */
+
+/* Forward declaration */
+
+extern struct target_ops child_ops;
+
+static void
+child_fetch_inferior_registers (int r)
+{
+ if (r < 0)
+ {
+ for (r = 0; r < NUM_REGS; r++)
+ child_fetch_inferior_registers (r);
+ }
+ else
+ {
+ supply_register (r, 0);
+ }
+}
+
+static void
+child_store_inferior_registers (int r)
+{
+ if (r < 0)
+ {
+ for (r = 0; r < NUM_REGS; r++)
+ child_store_inferior_registers (r);
+ }
+ else
+ {
+ read_register_gen (r, 0);
+ }
+}
+
+static int
+child_wait (int pid, struct target_waitstatus *ourstatus)
+{
+}
+
+/* Attach to process PID, then initialize for debugging it. */
+
+static void
+child_attach (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ ProcessSerialNumber psn;
+ ProcessInfoRec inforec;
+ Str31 name;
+ FSSpecPtr fsspec;
+ OSType code;
+ int pid;
+ char *exec_file;
+
+ if (!args)
+ error_no_arg ("process-id to attach");
+
+ pid = atoi (args);
+
+ psn.highLongOfPSN = 0;
+ psn.lowLongOfPSN = pid;
+
+ inforec.processInfoLength = sizeof(ProcessInfoRec);
+ inforec.processName = name;
+ inforec.processAppSpec = fsspec;
+
+ if (GetProcessInformation (&psn, &inforec) == noErr)
+ {
+ if (from_tty)
+ {
+ exec_file = (char *) get_exec_file (0);
+
+ if (exec_file)
+ printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
+ target_pid_to_str (pid));
+ else
+ printf_unfiltered ("Attaching to %s\n", target_pid_to_str (pid));
+
+ gdb_flush (gdb_stdout);
+ }
+ /* Do we need to do anything special? */
+ attach_flag = 1;
+ inferior_pid = pid;
+ push_target (&child_ops);
+ }
+}
+
+static void
+child_detach (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ char *exec_file;
+
+ if (from_tty)
+ {
+ exec_file = get_exec_file (0);
+ if (exec_file == 0)
+ exec_file = "";
+ printf_unfiltered ("Detaching from program: %s %s\n", exec_file,
+ target_pid_to_str (inferior_pid));
+ gdb_flush (gdb_stdout);
+ }
+ inferior_pid = 0;
+ unpush_target (&child_ops);
+}
+
+/* Print status information about what we're accessing. */
+
+static void
+child_files_info (ignore)
+ struct target_ops *ignore;
+{
+ printf_unfiltered ("\tUsing the running image of %s %s.\n",
+ attach_flag ? "attached" : "child", target_pid_to_str (inferior_pid));
+}
+
+/* ARGSUSED */
+static void
+child_open (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ error ("Use the \"run\" command to start a Mac application.");
+}
+
+/* Start an inferior Mac program and sets inferior_pid to its pid.
+ EXEC_FILE is the file to run.
+ ALLARGS is a string containing the arguments to the program.
+ ENV is the environment vector to pass. Errors reported with error(). */
+
+static void
+child_create_inferior (exec_file, allargs, env)
+ char *exec_file;
+ char *allargs;
+ char **env;
+{
+ LaunchParamBlockRec launchparms;
+ FSSpec fsspec;
+ OSErr launch_err;
+
+ if (!exec_file)
+ {
+ error ("No executable specified, use `target exec'.\n");
+ }
+
+ launchparms.launchBlockID = extendedBlock;
+ launchparms.launchEPBLength = extendedBlockLen;
+ launchparms.launchFileFlags = 0;
+ launchparms.launchControlFlags = launchContinue | launchNoFileFlags;
+ fsspec.vRefNum = 0;
+ fsspec.parID = 0;
+ strcpy(fsspec.name + 1, exec_file);
+ fsspec.name[0] = strlen(exec_file);
+ launchparms.launchAppSpec = &fsspec;
+ launchparms.launchAppParameters = nil;
+
+ launch_err = LaunchApplication (&launchparms);
+
+ if (launch_err == 999 /*memFullErr*/)
+ {
+ error ("Not enough memory to launch %s\n", exec_file);
+ }
+ else if (launch_err != noErr)
+ {
+ error ("Error launching %s, code %d\n", exec_file, launch_err);
+ }
+
+ inferior_pid = launchparms.launchProcessSN.lowLongOfPSN;
+ /* FIXME be sure that high long of PSN is 0 */
+
+ push_target (&child_ops);
+ init_wait_for_inferior ();
+ clear_proceed_status ();
+
+/* proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_0, 0); */
+}
+
+static void
+child_mourn_inferior ()
+{
+ unpush_target (&child_ops);
+ generic_mourn_inferior ();
+}
+
+void
+child_stop ()
+{
+}
+
+int
+child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write, struct target_ops *target)
+{
+ int i;
+
+ for (i = 0; i < len; ++i)
+ {
+ if (write)
+ {
+ ((char *) memaddr)[i] = myaddr[i];
+ }
+ else
+ {
+ myaddr[i] = ((char *) memaddr)[i];
+ }
+ }
+ return len;
+}
+
+void
+child_kill_inferior (void)
+{
+}
+
+void
+child_resume (int pid, int step, enum target_signal signal)
+{
+}
+
+static void
+child_prepare_to_store ()
+{
+ /* Do nothing, since we can store individual regs */
+}
+
+static int
+child_can_run ()
+{
+ return 1;
+}
+
+static void
+child_close ()
+{
+}
+
+static void
+info_proc (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ ProcessSerialNumber psn;
+ ProcessInfoRec inforec;
+ Str31 name;
+ FSSpecPtr fsspec;
+ OSType code;
+
+ /* Eventually use args, but not right now. */
+
+ psn.highLongOfPSN = 0;
+ psn.lowLongOfPSN = kNoProcess;
+
+ inforec.processInfoLength = sizeof(ProcessInfoRec);
+ inforec.processName = name;
+ inforec.processAppSpec = fsspec;
+
+ printf_filtered ("Process Name Sgnt Type PSN Loc Size FreeMem Time\n");
+
+ while (GetNextProcess (&psn) == noErr)
+ {
+ if (GetProcessInformation (&psn, &inforec) == noErr)
+ {
+ name[name[0] + 1] = '\0';
+ printf_filtered ("%-32.32s", name + 1);
+ code = inforec.processSignature;
+ printf_filtered (" %c%c%c%c",
+ (code >> 24) & 0xff,
+ (code >> 16) & 0xff,
+ (code >> 8) & 0xff,
+ (code >> 0) & 0xff);
+ code = inforec.processType;
+ printf_filtered (" %c%c%c%c",
+ (code >> 24) & 0xff,
+ (code >> 16) & 0xff,
+ (code >> 8) & 0xff,
+ (code >> 0) & 0xff);
+ if (psn.highLongOfPSN == 0)
+ printf_filtered (" %9d", psn.lowLongOfPSN);
+ else
+ printf_filtered (" %9d,%9d\n",
+ psn.highLongOfPSN, psn.lowLongOfPSN);
+ printf_filtered (" 0x%x", inforec.processLocation);
+ printf_filtered (" %9d", inforec.processSize);
+ printf_filtered (" %9d", inforec.processFreeMem);
+ printf_filtered (" %9d", inforec.processActiveTime);
+ printf_filtered ("\n");
+ }
+ }
+}
+
+struct target_ops child_ops =
+{
+ "mac", /* to_shortname */
+ "MacOS application", /* to_longname */
+ "MacOS application (started by the \"run\" command).", /* to_doc */
+ child_open, /* to_open */
+ child_close, /* to_close */
+ child_attach, /* to_attach */
+ child_detach, /* to_detach */
+ child_resume, /* to_resume */
+ child_wait, /* to_wait */
+ child_fetch_inferior_registers,/* to_fetch_registers */
+ child_store_inferior_registers,/* to_store_registers */
+ child_prepare_to_store, /* to_prepare_to_store */
+ child_xfer_memory, /* to_xfer_memory */
+ child_files_info, /* to_files_info */
+ memory_insert_breakpoint, /* to_insert_breakpoint */
+ memory_remove_breakpoint, /* to_remove_breakpoint */
+ 0, /* to_terminal_init */
+ 0, /* to_terminal_inferior */
+ 0, /* to_terminal_ours_for_output */
+ 0, /* to_terminal_ours */
+ 0, /* to_terminal_info */
+ child_kill_inferior, /* to_kill */
+ 0, /* to_load */
+ 0, /* to_lookup_symbol */
+ child_create_inferior, /* to_create_inferior */
+ child_mourn_inferior, /* to_mourn_inferior */
+ child_can_run, /* to_can_run */
+ 0, /* to_notice_signals */
+ 0, /* to_thread_alive */
+ child_stop, /* to_stop */
+ process_stratum, /* to_stratum */
+ 0, /* to_next */
+ 1, /* to_has_all_memory */
+ 1, /* to_has_memory */
+ 1, /* to_has_stack */
+ 1, /* to_has_registers */
+ 1, /* to_has_execution */
+ 0, /* to_sections */
+ 0, /* to_sections_end */
+ OPS_MAGIC /* to_magic */
+};
+
+void
+_initialize_mac_nat ()
+{
+ add_target (&child_ops);
+
+ add_info ("proc", info_proc,
+ "Show information about processes.");
+}
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