This commit was manufactured by cvs2svn to create branch 'gdb-4_18-branch'.gdb-4_18-releasegdb-4_18

Sprout from master 1999-04-16 01:35:26 UTC Stan Shebs <shebs@codesourcery.com> 'Initial creation of sourceware repository'
Cherrypick from FSF 1999-04-16 01:34:55 UTC Stan Shebs <shebs@codesourcery.com> 'Initial creation of sourceware repository':
    readline/CHANGELOG
    readline/CHANGES
    readline/COPYING
    readline/INSTALL
    readline/MANIFEST
    readline/Makefile.in
    readline/README
    readline/acconfig.h
    readline/aclocal.m4
    readline/ansi_stdlib.h
    readline/bind.c
    readline/callback.c
    readline/chardefs.h
    readline/complete.c
    readline/config.h.in
    readline/configure
    readline/configure.in
    readline/display.c
    readline/doc/Makefile.in
    readline/doc/hist.texinfo
    readline/doc/hstech.texinfo
    readline/doc/hsuser.texinfo
    readline/doc/readline.3
    readline/doc/rlman.texinfo
    readline/doc/rltech.texinfo
    readline/doc/rluser.texinfo
    readline/doc/texi2dvi
    readline/doc/texi2html
    readline/emacs_keymap.c
    readline/examples/Inputrc
    readline/examples/Makefile.in
    readline/examples/fileman.c
    readline/examples/histexamp.c
    readline/examples/manexamp.c
    readline/examples/rl.c
    readline/examples/rltest.c
    readline/funmap.c
    readline/histexpand.c
    readline/histfile.c
    readline/histlib.h
    readline/history.c
    readline/history.h
    readline/histsearch.c
    readline/input.c
    readline/isearch.c
    readline/keymaps.c
    readline/keymaps.h
    readline/kill.c
    readline/macro.c
    readline/nls.c
    readline/parens.c
    readline/posixdir.h
    readline/posixjmp.h
    readline/posixstat.h
    readline/readline.c
    readline/readline.h
    readline/rlconf.h
    readline/rldefs.h
    readline/rltty.c
    readline/rltty.h
    readline/rlwinsize.h
    readline/search.c
    readline/shell.c
    readline/signals.c
    readline/support/config.guess
    readline/support/config.sub
    readline/support/install.sh
    readline/support/mkdirs
    readline/support/mkdist
    readline/tcap.h
    readline/terminal.c
    readline/tilde.c
    readline/tilde.h
    readline/undo.c
    readline/util.c
    readline/vi_keymap.c
    readline/vi_mode.c
    readline/xmalloc.c
Delete:
    gdb/windows-nat.c

1 files changed, 0 insertions, 1122 deletions

diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
deleted file mode 100644
index 87e96bd..0000000
--- a/gdb/windows-nat.c
+++ /dev/null
@@ -1,1122 +0,0 @@
-/* Target-vector operations for controlling win32 child processes, for GDB.
-   Copyright 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
-   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.
-*/
-
-/* by Steve Chamberlain, sac@cygnus.com */
-
-/* We assume we're being built with and will be used for cygwin.  */
-
-#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 <stdlib.h>
-
-#ifdef _MSC_VER
-#include "windefs.h"
-#else /* other WIN32 compiler */
-#include <windows.h>
-#endif
-
-#include "buildsym.h"
-#include "symfile.h"
-#include "objfiles.h"
-#include "gdb_string.h"
-#include "gdbthread.h"
-#include "gdbcmd.h"
-#include <sys/param.h>
-#include <unistd.h>
-
-/* The string sent by cygwin when it processes a signal.
-   FIXME: This should be in a cygwin include file. */
-#define CYGWIN_SIGNAL_STRING "cygwin: signal"
-
-#define CHECK(x) 	check (x, __FILE__,__LINE__)
-#define DEBUG_EXEC(x)	if (debug_exec)		printf x
-#define DEBUG_EVENTS(x)	if (debug_events)	printf x
-#define DEBUG_MEM(x)	if (debug_memory)	printf x
-#define DEBUG_EXCEPT(x)	if (debug_exceptions)	printf x
-
-/* Forward declaration */
-extern struct target_ops child_ops;
-
-static void child_stop PARAMS ((void));
-static int win32_child_thread_alive PARAMS ((int));
-
-static int last_sig = 0;	/* Set if a signal was received from the
-				   debugged process */
-
-/* Thread information structure used to track information that is
-   not available in gdb's thread structure. */
-typedef struct thread_info_struct
-{
-  struct thread_info_struct *next;
-  DWORD id;
-  HANDLE h;
-  char *name;
-  int suspend_count;
-  CONTEXT context;
-} thread_info;
-
-static thread_info thread_head = {NULL};
-
-/* The process and thread handles for the above context. */
-
-static DEBUG_EVENT current_event;	/* The current debug event from
-					   WaitForDebugEvent */
-static HANDLE current_process_handle;	/* Currently executing process */
-static thread_info *current_thread;	/* Info on currently selected thread */
-static DWORD main_thread_id;		/* Thread ID of the main thread */
-
-/* Counts of things. */
-static int exception_count = 0;
-static int event_count = 0;
-
-/* User options. */
-static int new_console = 0;
-static int new_group = 0;
-static int debug_exec = 0;		/* show execution */
-static int debug_events = 0;		/* show events from kernel */
-static int debug_memory = 0;		/* show target memory accesses */
-static int debug_exceptions = 0;	/* show target exceptions */
-
-/* This vector maps GDB's idea of a register's number into an address
-   in the win32 exception context vector.
-
-   It also contains the bit mask needed to load the register in question.
-
-   One day we could read a reg, we could inspect the context we
-   already have loaded, if it doesn't have the bit set that we need,
-   we read that set of registers in using GetThreadContext.  If the
-   context already contains what we need, we just unpack it. Then to
-   write a register, first we have to ensure that the context contains
-   the other regs of the group, and then we copy the info in and set
-   out bit. */
-
-#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
-static const int mappings[] =
-{
-  context_offset(Eax),
-  context_offset(Ecx),
-  context_offset(Edx),
-  context_offset(Ebx),
-  context_offset(Esp),
-  context_offset(Ebp),
-  context_offset(Esi),
-  context_offset(Edi),
-  context_offset(Eip),
-  context_offset(EFlags),
-  context_offset(SegCs),
-  context_offset(SegSs),
-  context_offset(SegDs),
-  context_offset(SegEs),
-  context_offset(SegFs),
-  context_offset(SegGs),
-  context_offset(FloatSave.RegisterArea[0 * 10]),
-  context_offset(FloatSave.RegisterArea[1 * 10]),
-  context_offset(FloatSave.RegisterArea[2 * 10]),
-  context_offset(FloatSave.RegisterArea[3 * 10]),
-  context_offset(FloatSave.RegisterArea[4 * 10]),
-  context_offset(FloatSave.RegisterArea[5 * 10]),
-  context_offset(FloatSave.RegisterArea[6 * 10]),
-  context_offset(FloatSave.RegisterArea[7 * 10]),
-};
-
-/* This vector maps the target's idea of an exception (extracted
-   from the DEBUG_EVENT structure) to GDB's idea. */
-
-struct xlate_exception
-  {
-    int them;
-    enum target_signal us;
-  };
-
-static const struct xlate_exception
-  xlate[] =
-{
-  {EXCEPTION_ACCESS_VIOLATION, TARGET_SIGNAL_SEGV},
-  {STATUS_STACK_OVERFLOW, TARGET_SIGNAL_SEGV},
-  {EXCEPTION_BREAKPOINT, TARGET_SIGNAL_TRAP},
-  {DBG_CONTROL_C, TARGET_SIGNAL_INT},
-  {EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP},
-  {-1, -1}};
-
-/* Find a thread record given a thread id.
-   If get_context then also retrieve the context for this
-   thread. */
-static thread_info *
-thread_rec (DWORD id, int get_context)
-{
-  thread_info *th;
-
-  for (th = &thread_head; (th = th->next) != NULL; )
-    if (th->id == id)
-      {
-	if (!th->suspend_count && get_context)
-	  {
-	    if (get_context > 0)
-	      th->suspend_count = SuspendThread (th->h) + 1;
-	    else if (get_context < 0)
-	      th->suspend_count = -1;
-
-	    th->context.ContextFlags = CONTEXT_DEBUGGER;
-	    GetThreadContext (th->h, &th->context);
-	  }
-	return th;
-      }
-
-  return NULL;
-}
-
-/* Add a thread to the thread list */
-static thread_info *
-child_add_thread(DWORD id, HANDLE h)
-{
-  thread_info *th;
-
-  if ((th = thread_rec (id, FALSE)))
-    return th;
-
-  th = (thread_info *) xmalloc (sizeof (*th));
-  memset(th, 0, sizeof (*th));
-  th->id = id;
-  th->h = h;
-  th->next = thread_head.next;
-  thread_head.next = th;
-  add_thread (id);
-  return th;
-}
-
-/* Clear out any old thread list and reintialize it to a
-   pristine state. */
-static void
-child_init_thread_list ()
-{
-  thread_info *th = &thread_head;
-
-  DEBUG_EVENTS (("gdb: child_init_thread_list\n"));
-  init_thread_list ();
-  while (th->next != NULL)
-    {
-      thread_info *here = th->next;
-      th->next = here->next;
-      (void) CloseHandle (here->h);
-      free (here);
-    }
-}
-
-/* Delete a thread from the list of threads */
-static void
-child_delete_thread (DWORD id)
-{
-  thread_info *th;
-
-  if (info_verbose)
-    printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (id));
-  delete_thread (id);
-
-  for (th = &thread_head;
-       th->next != NULL && th->next->id != id;
-       th = th->next)
-    continue;
-
-  if (th->next != NULL)
-    {
-      thread_info *here = th->next;
-      th->next = here->next;
-      CloseHandle (here->h);
-      free (here);
-    }
-}
-
-static void
-check (BOOL ok, const char *file, int line)
-{
-  if (!ok)
-    printf_filtered ("error return %s:%d was %d\n", file, line, GetLastError ());
-}
-
-static void
-do_child_fetch_inferior_registers (int r)
-{
-  if (r >= 0)
-    supply_register (r, ((char *) &current_thread->context) + mappings[r]);
-  else
-    {
-      for (r = 0; r < NUM_REGS; r++)
-	do_child_fetch_inferior_registers (r);
-    }
-}
-
-static void
-child_fetch_inferior_registers (int r)
-{
-  current_thread = thread_rec (inferior_pid, TRUE);
-  do_child_fetch_inferior_registers (r);
-}
-
-static void
-do_child_store_inferior_registers (int r)
-{
-  if (r >= 0)
-    read_register_gen (r, ((char *) &current_thread->context) + mappings[r]);
-  else
-    {
-      for (r = 0; r < NUM_REGS; r++)
-	do_child_store_inferior_registers (r);
-    }
-}
-
-/* Store a new register value into the current thread context */
-static void
-child_store_inferior_registers (int r)
-{
-  current_thread = thread_rec (inferior_pid, TRUE);
-  do_child_store_inferior_registers (r);
-}
-
-/* Wait for child to do something.  Return pid of child, or -1 in case
-   of error; store status through argument pointer OURSTATUS.  */
-
-static int
-handle_load_dll (PTR dummy)
-{
-  LOAD_DLL_DEBUG_INFO * event = &current_event.u.LoadDll;
-  DWORD dll_name_ptr;
-  DWORD done;
-  char dll_buf[MAX_PATH + 1];
-  char *p, *dll_name = NULL, *dll_basename;
-  struct objfile *objfile;
-  MEMORY_BASIC_INFORMATION minfo;
-
-  dll_buf[0] = dll_buf[sizeof(dll_buf) - 1] = '\0';
-
-  /* The following code attempts to find the name of the dll by reading the
-     name from the processes memory.  Unfortunately it doesn't work right.
-     Doing this the "right way" for Windows is very difficult.  FIXME */
-#ifdef DOESNT_WORK
-  memset (&minfo, 0, sizeof minfo);
-  if (VirtualQueryEx (current_process_handle, (LPCVOID) event->lpBaseOfDll,
-		      &minfo, sizeof(minfo)) && minfo.BaseAddress) {
-      DWORD len;
-      IMAGE_DOS_HEADER *hmm0 = (IMAGE_DOS_HEADER *) minfo.BaseAddress;
-      HMODULE hmm = (HMODULE) (((DWORD) hmm0) + hmm0->e_lfanew);
-
-      if ((len = GetModuleFileName (hmm, dll_buf, MAX_PATH)))
-	{
-	  dll_name = dll_buf;
-	  dll_name[len] = '\0';
-	}
-  }
-#endif
-
-  /* Attempt to read the name of the dll that was detected.
-     This is documented to work only when actively debugging
-     a program.  It will not work for attached processes. */
-  if (dll_name == NULL || *dll_name == '\0')
-    {
-      int size = event->fUnicode ? sizeof (WCHAR) : sizeof (char);
-      int len = 0;
-      char b[2];
-
-      ReadProcessMemory (current_process_handle,
-			 (LPCVOID) event->lpImageName,
-			 (char *) &dll_name_ptr,
-			 sizeof (dll_name_ptr), &done);
-
-      /* See if we could read the address of a string, and that the
-	 address isn't null. */
-
-      if (done != sizeof (dll_name_ptr) || !dll_name_ptr)
-	return 1;
-
-      do
-	{
-	  ReadProcessMemory (current_process_handle,
-			     (LPCVOID) (dll_name_ptr + len * size),
-			     &b,
-			     size,
-			     &done);
-	  len++;
-	}
-      while ((b[0] != 0 || b[size - 1] != 0) && done == size);
-
-      dll_name = alloca (len);
-
-      if (event->fUnicode)
-	{
-	  WCHAR *unicode_dll_name = (WCHAR *) alloca (len * sizeof (WCHAR));
-	  ReadProcessMemory (current_process_handle,
-			     (LPCVOID) dll_name_ptr,
-			     unicode_dll_name,
-			     len * sizeof (WCHAR),
-			     &done);
-
-	  WideCharToMultiByte (CP_ACP, 0,
-			       unicode_dll_name, len,
-			       dll_name, len, 0, 0);
-	}
-      else
-	{
-	  ReadProcessMemory (current_process_handle,
-			     (LPCVOID) dll_name_ptr,
-			     dll_name,
-			     len,
-			     &done);
-	}
-    }
-
-  if (!dll_name)
-    return 1;
-
-  while ((p = strchr (dll_name, '\\')))
-    *p = '/';
-
-  /* FIXME!! It would be nice to define one symbol which pointed to the
-     front of the dll if we can't find any symbols. */
-
-  if (!(dll_basename = strrchr(dll_name, '/')))
-    dll_basename = dll_name;
-  else
-    dll_basename++;
-
-  ALL_OBJFILES(objfile)
-    {
-      char *objfile_basename;
-      objfile_basename = strrchr(objfile->name, '/');
-
-      if (objfile_basename &&
-	  strcmp(dll_basename, objfile_basename + 1) == 0)
-	{
-	  printf_unfiltered ("%x:%s (symbols previously loaded)\n",
-			     event->lpBaseOfDll, dll_name);
-	  goto out;
-	}
-  }
-
-  /* The symbols in a dll are offset by 0x1000, which is the
-     the offset from 0 of the first byte in an image - because
-     of the file header and the section alignment.
-
-     FIXME: Is this the real reason that we need the 0x1000 ? */
-
-  printf_unfiltered ("%x:%s", event->lpBaseOfDll, dll_name);
-  symbol_file_add (dll_name, 0, (int) event->lpBaseOfDll + 0x1000, 0, 0, 0, 0, 1);
-  printf_unfiltered ("\n");
-
-out:
-  return 1;
-}
-
-/* Handle DEBUG_STRING output from child process.
-   Cygwin prepends its messages with a "cygwin:".  Interpret this as
-   a Cygwin signal.  Otherwise just print the string as a warning. */
-static int
-handle_output_debug_string (struct target_waitstatus *ourstatus)
-{
-  char *s;
-  int gotasig = FALSE;
-
-  if (!target_read_string
-      ((CORE_ADDR) current_event.u.DebugString.lpDebugStringData, &s, 1024, 0)
-      || !s || !*s)
-    return gotasig;
-
-  if (strncmp(s, CYGWIN_SIGNAL_STRING, sizeof(CYGWIN_SIGNAL_STRING) - 1))
-    {
-      warning (s);
-    }
-  else
-    {
-      char *p;
-      /*last_sig = */strtol(s + sizeof(CYGWIN_SIGNAL_STRING) - 1, &p, 0);
-      if (gotasig = (ourstatus->value.sig = target_signal_from_host (last_sig)))
-	ourstatus->kind = TARGET_WAITKIND_STOPPED;
-    }
-
-  free (s);
-  return gotasig;
-}
-
-static int
-handle_exception (struct target_waitstatus *ourstatus)
-{
-  int i;
-  int done = 0;
-  thread_info *th;
-
-  ourstatus->kind = TARGET_WAITKIND_STOPPED;
-
-  /* Record the context of the current thread */
-  th = thread_rec (current_event.dwThreadId, -1);
-
-  switch (current_event.u.Exception.ExceptionRecord.ExceptionCode)
-    {
-    case EXCEPTION_ACCESS_VIOLATION:
-      DEBUG_EXCEPT (("gdb: Target exception ACCESS_VIOLATION at 0x%08x\n",
-		     current_event.u.Exception.ExceptionRecord.ExceptionAddress));
-      ourstatus->value.sig = TARGET_SIGNAL_SEGV;
-      break;
-    case STATUS_STACK_OVERFLOW:
-      DEBUG_EXCEPT (("gdb: Target exception STACK_OVERFLOW at 0x%08x\n",
-		     current_event.u.Exception.ExceptionRecord.ExceptionAddress));
-      ourstatus->value.sig = TARGET_SIGNAL_SEGV;
-      break;
-    case EXCEPTION_BREAKPOINT:
-      DEBUG_EXCEPT (("gdb: Target exception BREAKPOINT at 0x%08x\n",
-		     current_event.u.Exception.ExceptionRecord.ExceptionAddress));
-      ourstatus->value.sig = TARGET_SIGNAL_TRAP;
-      break;
-    case DBG_CONTROL_C:
-      DEBUG_EXCEPT (("gdb: Target exception CONTROL_C at 0x%08x\n",
-		     current_event.u.Exception.ExceptionRecord.ExceptionAddress));
-      ourstatus->value.sig = TARGET_SIGNAL_INT;
-      /* User typed CTRL-C.  Continue with this status */
-      last_sig = SIGINT;	/* FIXME - should check pass state */
-      break;
-    case EXCEPTION_SINGLE_STEP:
-      DEBUG_EXCEPT (("gdb: Target exception SINGLE_STEP at 0x%08x\n",
-		     current_event.u.Exception.ExceptionRecord.ExceptionAddress));
-      ourstatus->value.sig = TARGET_SIGNAL_TRAP;
-      break;
-    default:
-      /* This may be a structured exception handling exception.  In
-	 that case, we want to let the program try to handle it, and
-	 only break if we see the exception a second time.  */
-      if (current_event.u.Exception.dwFirstChance)
-	return 0;
-
-      printf_unfiltered ("gdb: unknown target exception 0x%08x at 0x%08x\n",
-			 current_event.u.Exception.ExceptionRecord.ExceptionCode,
-			 current_event.u.Exception.ExceptionRecord.ExceptionAddress);
-      ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
-      break;
-    }
-  exception_count++;
-  return 1;
-}
-
-/* Resume all artificially suspended threads if we are continuing
-   execution */
-static BOOL
-child_continue (DWORD continue_status, int id)
-{
-  int i;
-  thread_info *th;
-  BOOL res;
-
-  DEBUG_EVENTS (("ContinueDebugEvent (cpid=%d, ctid=%d, DBG_CONTINUE);\n",
-		 current_event.dwProcessId, current_event.dwThreadId));
-  if (res = ContinueDebugEvent (current_event.dwProcessId,
-				current_event.dwThreadId,
-			        continue_status))
-    for (th = &thread_head; (th = th->next) != NULL; )
-      if (((id == -1) || (id == th->id)) && th->suspend_count)
-	{
-	  for (i = 0; i < th->suspend_count; i++)
-	    (void) ResumeThread (th->h);
-	  th->suspend_count = 0;
-	}
-
-  return res;
-}
-
-static int
-child_wait (int pid, struct target_waitstatus *ourstatus)
-{
-  /* We loop when we get a non-standard exception rather than return
-     with a SPURIOUS because resume can try and step or modify things,
-     which needs a current_thread->h.  But some of these exceptions mark
-     the birth or death of threads, which mean that the current thread
-     isn't necessarily what you think it is. */
-
-  while (1)
-    {
-      DWORD continue_status;
-      BOOL t = WaitForDebugEvent (&current_event, INFINITE);
-      char *p;
-      thread_info *th;
-      int sig;
-
-      event_count++;
-
-      continue_status = DBG_CONTINUE;
-
-      switch (current_event.dwDebugEventCode)
-	{
-	case CREATE_THREAD_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"CREATE_THREAD_DEBUG_EVENT"));
-	  /* Record the existence of this thread */
-	  child_add_thread (current_event.dwThreadId,
-			    current_event.u.CreateThread.hThread);
-	  if (info_verbose)
-	      printf_unfiltered ("[New %s]\n",
-			       target_pid_to_str (current_event.dwThreadId));
-	  break;
-
-	case EXIT_THREAD_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"EXIT_THREAD_DEBUG_EVENT"));
-	  child_delete_thread (current_event.dwThreadId);
-	  break;
-
-	case CREATE_PROCESS_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"CREATE_PROCESS_DEBUG_EVENT"));
-	  current_process_handle = current_event.u.CreateProcessInfo.hProcess;
-
-	  main_thread_id = inferior_pid = current_event.dwThreadId;
-	  /* Add the main thread */
-	  current_thread = child_add_thread (inferior_pid,
-				current_event.u.CreateProcessInfo.hThread);
-	  break;
-
-	case EXIT_PROCESS_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"EXIT_PROCESS_DEBUG_EVENT"));
-	  ourstatus->kind = TARGET_WAITKIND_EXITED;
-	  ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
-	  CloseHandle (current_process_handle);
-	  return current_event.dwProcessId;
-	  break;
-
-	case LOAD_DLL_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"LOAD_DLL_DEBUG_EVENT"));
-          catch_errors (handle_load_dll, NULL, "", RETURN_MASK_ALL);
-	  registers_changed();          /* mark all regs invalid */
-	  break;
-
-	case UNLOAD_DLL_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"UNLOAD_DLL_DEBUG_EVENT"));
-	  break;	/* FIXME: don't know what to do here */
-
-	case EXCEPTION_DEBUG_EVENT:
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"EXCEPTION_DEBUG_EVENT"));
-	  if (handle_exception (ourstatus))
-	    return current_event.dwThreadId;
-	  continue_status = DBG_EXCEPTION_NOT_HANDLED;
-	  break;
-
-	case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
-	  DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
-			current_event.dwProcessId, current_event.dwThreadId,
-			"OUTPUT_DEBUG_STRING_EVENT"));
-	  if (handle_output_debug_string (ourstatus))
-	    return main_thread_id;
-	  break;
-	default:
-	  printf_unfiltered ("gdb: kernel event for pid=%d tid=%d\n",
-			     current_event.dwProcessId,
-			     current_event.dwThreadId);
-	  printf_unfiltered ("                 unknown event code %d\n",
-			     current_event.dwDebugEventCode);
-	  break;
-	}
-
-      CHECK (child_continue (continue_status, -1));
-    }
-}
-
-/* Attach to process PID, then initialize for debugging it.  */
-
-static void
-child_attach (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  BOOL ok;
-
-  if (!args)
-    error_no_arg ("process-id to attach");
-
-  current_event.dwProcessId = strtoul (args, 0, 0);
-
-  ok = DebugActiveProcess (current_event.dwProcessId);
-
-  if (!ok)
-    error ("Can't attach to process.");
-
-  exception_count = 0;
-  event_count = 0;
-
-  if (from_tty)
-    {
-      char *exec_file = (char *) get_exec_file (0);
-
-      if (exec_file)
-	printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
-			   target_pid_to_str (current_event.dwProcessId));
-      else
-	printf_unfiltered ("Attaching to %s\n",
-			   target_pid_to_str (current_event.dwProcessId));
-
-      gdb_flush (gdb_stdout);
-    }
-
-  push_target (&child_ops);
-}
-
-static void
-child_detach (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  if (from_tty)
-    {
-      char *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 Unix child process.");
-}
-
-/* Start an inferior win32 child process 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;
-{
-  char real_path[MAXPATHLEN];
-  char *winenv;
-  char *temp;
-  int  envlen;
-  int i;
-
-  STARTUPINFO si;
-  PROCESS_INFORMATION pi;
-  struct target_waitstatus dummy;
-  BOOL ret;
-  DWORD flags;
-  char *args;
-
-  if (!exec_file)
-    {
-      error ("No executable specified, use `target exec'.\n");
-    }
-
-  memset (&si, 0, sizeof (si));
-  si.cb = sizeof (si);
-
-  cygwin32_conv_to_win32_path (exec_file, real_path);
-
-  flags = DEBUG_ONLY_THIS_PROCESS;
-
-  if (new_group)
-    flags |= CREATE_NEW_PROCESS_GROUP;
-
-  if (new_console)
-    flags |= CREATE_NEW_CONSOLE;
-
-  args = alloca (strlen (real_path) + strlen (allargs) + 2);
-
-  strcpy (args, real_path);
-
-  strcat (args, " ");
-  strcat (args, allargs);
-
-  /* Prepare the environment vars for CreateProcess.  */
-  {
-    /* This code use to assume all env vars were file names and would
-       translate them all to win32 style.  That obviously doesn't work in the
-       general case.  The current rule is that we only translate PATH.
-       We need to handle PATH because we're about to call CreateProcess and
-       it uses PATH to find DLL's.  Fortunately PATH has a well-defined value
-       in both posix and win32 environments.  cygwin.dll will change it back
-       to posix style if necessary.  */
-
-    static const char *conv_path_names[] =
-      {
-	"PATH=",
-	0
-      };
-
-    /* CreateProcess takes the environment list as a null terminated set of
-       strings (i.e. two nulls terminate the list).  */
-
-    /* Get total size for env strings.  */
-    for (envlen = 0, i = 0; env[i] && *env[i]; i++)
-      {
-	int j, len;
-
-	for (j = 0; conv_path_names[j]; j++)
-	  {
-	    len = strlen (conv_path_names[j]);
-	    if (strncmp (conv_path_names[j], env[i], len) == 0)
-	      {
-		if (cygwin32_posix_path_list_p (env[i] + len))
-		  envlen += len
-		    + cygwin32_posix_to_win32_path_list_buf_size (env[i] + len);
-		else
-		  envlen += strlen (env[i]) + 1;
-		break;
-	      }
-	  }
-	if (conv_path_names[j] == NULL)
-	  envlen += strlen (env[i]) + 1;
-      }
-
-    winenv = alloca (envlen + 1);
-
-    /* Copy env strings into new buffer.  */
-    for (temp = winenv, i = 0; env[i] && *env[i]; i++)
-      {
-	int j, len;
-
-	for (j = 0; conv_path_names[j]; j++)
-	  {
-	    len = strlen (conv_path_names[j]);
-	    if (strncmp (conv_path_names[j], env[i], len) == 0)
-	      {
-		if (cygwin32_posix_path_list_p (env[i] + len))
-		  {
-		    memcpy (temp, env[i], len);
-		    cygwin32_posix_to_win32_path_list (env[i] + len, temp + len);
-		  }
-		else
-		  strcpy (temp, env[i]);
-		break;
-	      }
-	  }
-	if (conv_path_names[j] == NULL)
-	  strcpy (temp, env[i]);
-
-	temp += strlen (temp) + 1;
-      }
-
-    /* Final nil string to terminate new env.  */
-    *temp = 0;
-  }
-
-  ret = CreateProcess (0,
-		       args, 	/* command line */
-		       NULL,	/* Security */
-		       NULL,	/* thread */
-		       TRUE,	/* inherit handles */
-		       flags,	/* start flags */
-		       winenv,
-		       NULL,	/* current directory */
-		       &si,
-		       &pi);
-  if (!ret)
-    error ("Error creating process %s, (error %d)\n", exec_file, GetLastError());
-
-  exception_count = 0;
-  event_count = 0;
-
-  current_process_handle = pi.hProcess;
-  current_event.dwProcessId = pi.dwProcessId;
-  memset (&current_event, 0, sizeof (current_event));
-  inferior_pid = current_event.dwThreadId = pi.dwThreadId;
-  push_target (&child_ops);
-  child_init_thread_list ();
-  init_wait_for_inferior ();
-  clear_proceed_status ();
-  target_terminal_init ();
-  target_terminal_inferior ();
-
-  /* Ignore the first trap */
-  child_wait (inferior_pid, &dummy);
-
-  proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_0, 0);
-}
-
-static void
-child_mourn_inferior ()
-{
-  (void) child_continue (DBG_CONTINUE, -1);
-  unpush_target (&child_ops);
-  generic_mourn_inferior ();
-}
-
-/* Send a SIGINT to the process group.  This acts just like the user typed a
-   ^C on the controlling terminal. */
-
-static void
-child_stop ()
-{
-  DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
-  CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, 0));
-  registers_changed();		/* refresh register state */
-}
-
-int
-child_xfer_memory (CORE_ADDR memaddr, char *our, int len,
-		   int write, struct target_ops *target)
-{
-  DWORD done;
-  if (write)
-    {
-      DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08x\n",
-		  len, memaddr));
-      WriteProcessMemory (current_process_handle, (LPVOID) memaddr, our,
-			  len, &done);
-      FlushInstructionCache (current_process_handle, (LPCVOID) memaddr, len);
-    }
-  else
-    {
-      DEBUG_MEM (("gdb: read target memory, %d bytes at 0x%08x\n",
-		  len, memaddr));
-      ReadProcessMemory (current_process_handle, (LPCVOID) memaddr, our, len,
-			 &done);
-    }
-  return done;
-}
-
-void
-child_kill_inferior (void)
-{
-  CHECK (TerminateProcess (current_process_handle, 0));
-
-  for (;;)
-    {
-      if (!child_continue (DBG_CONTINUE, -1))
-	break;
-      if (!WaitForDebugEvent (&current_event, INFINITE))
-	break;
-      if (current_event.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT)
-	break;
-    }
-
-  CHECK (CloseHandle (current_process_handle));
-
-  /* this may fail in an attached process so don't check. */
-  (void) CloseHandle (current_thread->h);
-  target_mourn_inferior();	/* or just child_mourn_inferior? */
-}
-
-void
-child_resume (int pid, int step, enum target_signal sig)
-{
-  int i;
-  thread_info *th;
-  DWORD continue_status = last_sig > 0 && last_sig < NSIG ?
-			  DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE;
-
-  DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n",
-	       pid, step, sig));
-
-  /* Get context for currently selected thread */
-  th = thread_rec (current_event.dwThreadId, FALSE);
-  if (step)
-    {
-#ifdef i386
-      /* Single step by setting t bit */
-      child_fetch_inferior_registers (PS_REGNUM);
-      th->context.EFlags |= FLAG_TRACE_BIT;
-#endif
-    }
-
-  if (th->context.ContextFlags)
-    {
-      CHECK (SetThreadContext (th->h, &th->context));
-      th->context.ContextFlags = 0;
-    }
-
-  /* Allow continuing with the same signal that interrupted us.
-     Otherwise complain. */
-  if (sig && sig != last_sig)
-    fprintf_unfiltered (gdb_stderr, "Can't send signals to the child.  signal %d\n", sig);
-
-  last_sig = 0;
-  child_continue (continue_status, pid);
-}
-
-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 ()
-{
-  DEBUG_EVENTS (("gdb: child_close, inferior_pid=%d\n", inferior_pid));
-}
-
-struct target_ops child_ops ;
-
-static void 
-init_child_ops(void)
-{
-  child_ops.to_shortname =   "child";
-  child_ops.to_longname =   "Win32 child process";
-  child_ops.to_doc =   "Win32 child process (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_detach =   child_detach;
-  child_ops.to_resume =   child_resume;
-  child_ops.to_wait  =   child_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  =   terminal_init_inferior;
-  child_ops.to_terminal_inferior =   terminal_inferior;
-  child_ops.to_terminal_ours_for_output =   terminal_ours_for_output;
-  child_ops.to_terminal_ours  =   terminal_ours;
-  child_ops.to_terminal_info  =   child_terminal_info;
-  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_mourn_inferior =   child_mourn_inferior;
-  child_ops.to_can_run  =   child_can_run;
-  child_ops.to_notice_signals =   0;
-  child_ops.to_thread_alive  =   win32_child_thread_alive;
-  child_ops.to_stop  =   child_stop;
-  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_inftarg ()
-{
-  struct cmd_list_element *c;
-  init_child_ops() ;
-
-  add_show_from_set
-    (add_set_cmd ("new-console", class_support, var_boolean,
-		  (char *) &new_console,
-		  "Set creation of new console when creating child process.",
-		  &setlist),
-     &showlist);
-
-  add_show_from_set
-    (add_set_cmd ("new-group", class_support, var_boolean,
-		  (char *) &new_group,
-		  "Set creation of new group when creating child process.",
-		  &setlist),
-     &showlist);
-
-  add_show_from_set
-    (add_set_cmd ("debugexec", class_support, var_boolean,
-		  (char *) &debug_exec,
-		  "Set whether to display execution in child process.",
-		  &setlist),
-     &showlist);
-
-  add_show_from_set
-    (add_set_cmd ("debugevents", class_support, var_boolean,
-		  (char *) &debug_events,
-		  "Set whether to display kernel events in child process.",
-		  &setlist),
-     &showlist);
-
-  add_show_from_set
-    (add_set_cmd ("debugmemory", class_support, var_boolean,
-		  (char *) &debug_memory,
-		  "Set whether to display memory accesses in child process.",
-		  &setlist),
-     &showlist);
-
-  add_show_from_set
-    (add_set_cmd ("debugexceptions", class_support, var_boolean,
-		  (char *) &debug_exceptions,
-		  "Set whether to display kernel exceptions in child process.",
-		  &setlist),
-     &showlist);
-
-  add_target (&child_ops);
-}
-
-/* Determine if the thread referenced by "pid" is alive
-   by "polling" it.  If WaitForSingleObject returns WAIT_OBJECT_0
-   it means that the pid has died.  Otherwise it is assumed to be alive. */
-static int
-win32_child_thread_alive (int pid)
-{
-  return WaitForSingleObject(thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ?
-	 FALSE : TRUE;
-}
-
-/* Convert pid to printable format. */
-char *
-cygwin_pid_to_str (int pid)
-{
-  static char buf[80];
-  if (pid == current_event.dwProcessId)
-    sprintf (buf, "process %d", pid);
-  else
-    sprintf (buf, "thread %d.0x%x", current_event.dwProcessId, pid);
-  return buf;
-}