Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 412 insertions, 0 deletions

diff --git a/gdb/mac-nat.c b/gdb/mac-nat.c
new file mode 100644
index 0000000..3518fe5
--- /dev/null
+++ b/gdb/mac-nat.c
@@ -0,0 +1,412 @@
+/* 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 "gdbthread.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_stop PARAMS ((void));
+
+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 ();
+}
+
+static 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 ;
+
+static void 
+init_child_ops(void)
+{
+  child_ops.to_shortname =   "mac";		
+  child_ops.to_longname =   "MacOS application";
+  child_ops.to_doc    =  "MacOS application (started by the \"run\" command).";
+  child_ops.to_open   =  child_open; 
+  child_ops.to_close  =  child_close;
+  child_ops.to_attach =  child_attach;
+  child_ops.to_post_attach = NULL;
+  child_ops.to_require_attach = NULL;                         /* to_require_attach */  
+  child_ops.to_detach =  child_detach;
+  child_ops.to_require_detach = NULL;                         /* to_require_detach */
+  child_ops.to_resume =  child_resume;
+  child_ops.to_wait   =  child_wait;	
+  child_ops.to_post_wait = NULL;                         /* to_post_wait */
+  child_ops.to_fetch_registers  =   child_fetch_inferior_registers;
+  child_ops.to_store_registers  =   child_store_inferior_registers;
+  child_ops.to_prepare_to_store =   child_prepare_to_store;
+  child_ops.to_xfer_memory =   child_xfer_memory;		
+  child_ops.to_files_info  =   child_files_info;		
+  child_ops.to_insert_breakpoint =   memory_insert_breakpoint;	
+  child_ops.to_remove_breakpoint =   memory_remove_breakpoint;	
+  child_ops.to_terminal_init  =   0;				
+  child_ops.to_terminal_inferior =   0;				
+  child_ops.to_terminal_ours_for_output =  0;
+  child_ops.to_terminal_ours  =   0;			
+  child_ops.to_terminal_info  =   0;			
+  child_ops.to_kill  =   child_kill_inferior;	
+  child_ops.to_load  =   0;	
+  child_ops.to_lookup_symbol   = 0;			
+  child_ops.to_create_inferior = child_create_inferior;
+  child_ops.to_post_startup_inferior = NULL;                         /* to_post_startup_inferior */
+  child_ops.to_acknowledge_created_inferior = NULL;                         /* to_acknowledge_created_inferior */
+  child_ops.to_clone_and_follow_inferior = NULL;                         /* to_clone_and_follow_inferior */
+  child_ops.to_post_follow_inferior_by_clone = NULL;                         /* to_post_follow_inferior_by_clone */
+  child_ops.to_insert_fork_catchpoint = NULL;
+  child_ops.to_remove_fork_catchpoint = NULL;
+  child_ops.to_insert_vfork_catchpoint = NULL;
+  child_ops.to_remove_vfork_catchpoint = NULL;
+  child_ops.to_has_forked = NULL;                         /* to_has_forked */
+  child_ops.to_has_vforked = NULL;                         /* to_has_vforked */
+  child_ops.to_can_follow_vfork_prior_to_exec = NULL;
+  child_ops.to_post_follow_vfork = NULL;                         /* to_post_follow_vfork */
+  child_ops.to_insert_exec_catchpoint = NULL;
+  child_ops.to_remove_exec_catchpoint = NULL;
+  child_ops.to_has_execd = NULL;
+  child_ops.to_reported_exec_events_per_exec_call = NULL;
+  child_ops.to_has_exited = NULL;
+  child_ops.to_mourn_inferior  = child_mourn_inferior;		
+  child_ops.to_can_run         = child_can_run;
+  child_ops.to_notice_signals =  0;      
+  child_ops.to_thread_alive  =   0;       
+  child_ops.to_stop  =   child_stop;      
+  child_ops.to_pid_to_exec_file =  NULL;                         /* to_pid_to_exec_file */
+  child_ops.to_core_file_to_sym_file = NULL;
+  child_ops.to_stratum =   process_stratum;
+  child_ops.DONT_USE =   0; 
+  child_ops.to_has_all_memory = 1; 
+  child_ops.to_has_memory     = 1; 
+  child_ops.to_has_stack      = 1; 
+  child_ops.to_has_registers  = 1; 
+  child_ops.to_has_execution  = 1; 
+  child_ops.to_sections       = 0; 
+  child_ops.to_sections_end   = 0; 
+  child_ops.to_magic =   OPS_MAGIC;
+};
+
+void
+_initialize_mac_nat ()
+{
+  init_child_ops() ;
+
+  add_info ("proc", info_proc,
+	    "Show information about processes.");
+}