/* Target-vector operations for controlling win32 child processes, for GDB.
|
/* Target-vector operations for controlling win32 child processes, for GDB.
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|
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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|
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Contributed by Cygnus Solutions, A Red Hat Company.
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Contributed by Cygnus Solutions, A Red Hat Company.
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|
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This file is part of GDB.
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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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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
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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 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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|
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This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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GNU General Public License for more details.
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|
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You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Originally by Steve Chamberlain, sac@cygnus.com */
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/* Originally by Steve Chamberlain, sac@cygnus.com */
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|
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#include "defs.h"
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#include "defs.h"
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#include "frame.h" /* required by inferior.h */
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#include "frame.h" /* required by inferior.h */
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#include "inferior.h"
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#include "inferior.h"
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#include "target.h"
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#include "target.h"
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#include "exceptions.h"
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#include "exceptions.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "command.h"
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#include "command.h"
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#include "completer.h"
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#include "completer.h"
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#include "regcache.h"
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#include "regcache.h"
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#include "top.h"
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#include "top.h"
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#include <signal.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <windows.h>
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#include <windows.h>
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#include <imagehlp.h>
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#include <imagehlp.h>
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#ifdef __CYGWIN__
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#ifdef __CYGWIN__
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#include <sys/cygwin.h>
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#include <sys/cygwin.h>
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#endif
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#endif
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#include <signal.h>
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#include <signal.h>
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|
|
#include "buildsym.h"
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#include "buildsym.h"
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#include "symfile.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "objfiles.h"
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#include "gdb_obstack.h"
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#include "gdb_obstack.h"
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#include "gdb_string.h"
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#include "gdb_string.h"
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#include "gdb_stdint.h"
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#include "gdb_stdint.h"
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#include "gdbthread.h"
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#include "gdbthread.h"
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#include "gdbcmd.h"
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#include "gdbcmd.h"
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#include <sys/param.h>
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#include <sys/param.h>
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#include <unistd.h>
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#include <unistd.h>
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#include "exec.h"
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#include "exec.h"
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#include "solist.h"
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#include "solist.h"
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#include "solib.h"
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#include "solib.h"
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#include "xml-support.h"
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#include "xml-support.h"
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|
|
#include "i386-tdep.h"
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#include "i386-tdep.h"
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#include "i387-tdep.h"
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#include "i387-tdep.h"
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|
|
#include "i386-cygwin-tdep.h"
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#include "i386-cygwin-tdep.h"
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|
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static struct target_ops win32_ops;
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static struct target_ops win32_ops;
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|
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#ifdef __CYGWIN__
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#ifdef __CYGWIN__
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/* The starting and ending address of the cygwin1.dll text segment. */
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/* The starting and ending address of the cygwin1.dll text segment. */
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static bfd_vma cygwin_load_start;
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static bfd_vma cygwin_load_start;
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static bfd_vma cygwin_load_end;
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static bfd_vma cygwin_load_end;
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#endif
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#endif
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|
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static int have_saved_context; /* True if we've saved context from a cygwin signal. */
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static int have_saved_context; /* True if we've saved context from a cygwin signal. */
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static CONTEXT saved_context; /* Containes the saved context from a cygwin signal. */
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static CONTEXT saved_context; /* Containes the saved context from a cygwin signal. */
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|
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/* If we're not using the old Cygwin header file set, define the
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/* If we're not using the old Cygwin header file set, define the
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following which never should have been in the generic Win32 API
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following which never should have been in the generic Win32 API
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headers in the first place since they were our own invention... */
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headers in the first place since they were our own invention... */
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#ifndef _GNU_H_WINDOWS_H
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#ifndef _GNU_H_WINDOWS_H
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enum
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enum
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{
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{
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FLAG_TRACE_BIT = 0x100,
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FLAG_TRACE_BIT = 0x100,
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CONTEXT_DEBUGGER = (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
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CONTEXT_DEBUGGER = (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
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};
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};
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#endif
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#endif
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#include <psapi.h>
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#include <psapi.h>
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|
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#define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \
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#define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \
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| CONTEXT_EXTENDED_REGISTERS
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| CONTEXT_EXTENDED_REGISTERS
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|
|
static unsigned dr[8];
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static unsigned dr[8];
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static int debug_registers_changed;
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static int debug_registers_changed;
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static int debug_registers_used;
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static int debug_registers_used;
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#define DR6_CLEAR_VALUE 0xffff0ff0
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#define DR6_CLEAR_VALUE 0xffff0ff0
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|
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/* The string sent by cygwin when it processes a signal.
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/* The string sent by cygwin when it processes a signal.
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FIXME: This should be in a cygwin include file. */
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FIXME: This should be in a cygwin include file. */
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#ifndef _CYGWIN_SIGNAL_STRING
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#ifndef _CYGWIN_SIGNAL_STRING
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#define _CYGWIN_SIGNAL_STRING "cYgSiGw00f"
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#define _CYGWIN_SIGNAL_STRING "cYgSiGw00f"
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#endif
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#endif
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|
|
#define CHECK(x) check (x, __FILE__,__LINE__)
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#define CHECK(x) check (x, __FILE__,__LINE__)
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#define DEBUG_EXEC(x) if (debug_exec) printf_unfiltered x
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#define DEBUG_EXEC(x) if (debug_exec) printf_unfiltered x
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#define DEBUG_EVENTS(x) if (debug_events) printf_unfiltered x
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#define DEBUG_EVENTS(x) if (debug_events) printf_unfiltered x
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#define DEBUG_MEM(x) if (debug_memory) printf_unfiltered x
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#define DEBUG_MEM(x) if (debug_memory) printf_unfiltered x
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#define DEBUG_EXCEPT(x) if (debug_exceptions) printf_unfiltered x
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#define DEBUG_EXCEPT(x) if (debug_exceptions) printf_unfiltered x
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|
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static void win32_stop (void);
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static void win32_stop (void);
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static int win32_win32_thread_alive (ptid_t);
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static int win32_win32_thread_alive (ptid_t);
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static void win32_kill_inferior (void);
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static void win32_kill_inferior (void);
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static enum target_signal last_sig = TARGET_SIGNAL_0;
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static enum target_signal last_sig = TARGET_SIGNAL_0;
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/* Set if a signal was received from the debugged process */
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/* Set if a signal was received from the debugged process */
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|
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/* Thread information structure used to track information that is
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/* Thread information structure used to track information that is
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not available in gdb's thread structure. */
|
not available in gdb's thread structure. */
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typedef struct thread_info_struct
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typedef struct thread_info_struct
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{
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{
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struct thread_info_struct *next;
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struct thread_info_struct *next;
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DWORD id;
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DWORD id;
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HANDLE h;
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HANDLE h;
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char *name;
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char *name;
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int suspended;
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int suspended;
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int reload_context;
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int reload_context;
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CONTEXT context;
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CONTEXT context;
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STACKFRAME sf;
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STACKFRAME sf;
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}
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}
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thread_info;
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thread_info;
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|
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static thread_info thread_head;
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static thread_info thread_head;
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|
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/* The process and thread handles for the above context. */
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/* The process and thread handles for the above context. */
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static DEBUG_EVENT current_event; /* The current debug event from
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static DEBUG_EVENT current_event; /* The current debug event from
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WaitForDebugEvent */
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WaitForDebugEvent */
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static HANDLE current_process_handle; /* Currently executing process */
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static HANDLE current_process_handle; /* Currently executing process */
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static thread_info *current_thread; /* Info on currently selected thread */
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static thread_info *current_thread; /* Info on currently selected thread */
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static DWORD main_thread_id; /* Thread ID of the main thread */
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static DWORD main_thread_id; /* Thread ID of the main thread */
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|
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/* Counts of things. */
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/* Counts of things. */
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static int exception_count = 0;
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static int exception_count = 0;
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static int event_count = 0;
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static int event_count = 0;
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static int saw_create;
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static int saw_create;
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static int open_process_used = 0;
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static int open_process_used = 0;
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|
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/* User options. */
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/* User options. */
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static int new_console = 0;
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static int new_console = 0;
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#ifdef __CYGWIN__
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#ifdef __CYGWIN__
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static int cygwin_exceptions = 0;
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static int cygwin_exceptions = 0;
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#endif
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#endif
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static int new_group = 1;
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static int new_group = 1;
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static int debug_exec = 0; /* show execution */
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static int debug_exec = 0; /* show execution */
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static int debug_events = 0; /* show events from kernel */
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static int debug_events = 0; /* show events from kernel */
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static int debug_memory = 0; /* show target memory accesses */
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static int debug_memory = 0; /* show target memory accesses */
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static int debug_exceptions = 0; /* show target exceptions */
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static int debug_exceptions = 0; /* show target exceptions */
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static int useshell = 0; /* use shell for subprocesses */
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static int useshell = 0; /* use shell for subprocesses */
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/* This vector maps GDB's idea of a register's number into an address
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/* This vector maps GDB's idea of a register's number into an address
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in the win32 exception context vector.
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in the win32 exception context vector.
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|
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It also contains the bit mask needed to load the register in question.
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It also contains the bit mask needed to load the register in question.
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One day we could read a reg, we could inspect the context we
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One day we could read a reg, we could inspect the context we
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already have loaded, if it doesn't have the bit set that we need,
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already have loaded, if it doesn't have the bit set that we need,
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we read that set of registers in using GetThreadContext. If the
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we read that set of registers in using GetThreadContext. If the
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context already contains what we need, we just unpack it. Then to
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context already contains what we need, we just unpack it. Then to
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write a register, first we have to ensure that the context contains
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write a register, first we have to ensure that the context contains
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the other regs of the group, and then we copy the info in and set
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the other regs of the group, and then we copy the info in and set
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out bit. */
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out bit. */
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#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
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#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
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static const int mappings[] =
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static const int mappings[] =
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{
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{
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context_offset (Eax),
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context_offset (Eax),
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context_offset (Ecx),
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context_offset (Ecx),
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context_offset (Edx),
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context_offset (Edx),
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context_offset (Ebx),
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context_offset (Ebx),
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context_offset (Esp),
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context_offset (Esp),
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context_offset (Ebp),
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context_offset (Ebp),
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context_offset (Esi),
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context_offset (Esi),
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context_offset (Edi),
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context_offset (Edi),
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context_offset (Eip),
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context_offset (Eip),
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context_offset (EFlags),
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context_offset (EFlags),
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context_offset (SegCs),
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context_offset (SegCs),
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context_offset (SegSs),
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context_offset (SegSs),
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context_offset (SegDs),
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context_offset (SegDs),
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context_offset (SegEs),
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context_offset (SegEs),
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context_offset (SegFs),
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context_offset (SegFs),
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context_offset (SegGs),
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context_offset (SegGs),
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context_offset (FloatSave.RegisterArea[0 * 10]),
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context_offset (FloatSave.RegisterArea[0 * 10]),
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context_offset (FloatSave.RegisterArea[1 * 10]),
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context_offset (FloatSave.RegisterArea[1 * 10]),
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context_offset (FloatSave.RegisterArea[2 * 10]),
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context_offset (FloatSave.RegisterArea[2 * 10]),
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context_offset (FloatSave.RegisterArea[3 * 10]),
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context_offset (FloatSave.RegisterArea[3 * 10]),
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context_offset (FloatSave.RegisterArea[4 * 10]),
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context_offset (FloatSave.RegisterArea[4 * 10]),
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context_offset (FloatSave.RegisterArea[5 * 10]),
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context_offset (FloatSave.RegisterArea[5 * 10]),
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context_offset (FloatSave.RegisterArea[6 * 10]),
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context_offset (FloatSave.RegisterArea[6 * 10]),
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context_offset (FloatSave.RegisterArea[7 * 10]),
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context_offset (FloatSave.RegisterArea[7 * 10]),
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context_offset (FloatSave.ControlWord),
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context_offset (FloatSave.ControlWord),
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context_offset (FloatSave.StatusWord),
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context_offset (FloatSave.StatusWord),
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context_offset (FloatSave.TagWord),
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context_offset (FloatSave.TagWord),
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context_offset (FloatSave.ErrorSelector),
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context_offset (FloatSave.ErrorSelector),
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context_offset (FloatSave.ErrorOffset),
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context_offset (FloatSave.ErrorOffset),
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context_offset (FloatSave.DataSelector),
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context_offset (FloatSave.DataSelector),
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context_offset (FloatSave.DataOffset),
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context_offset (FloatSave.DataOffset),
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context_offset (FloatSave.ErrorSelector)
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context_offset (FloatSave.ErrorSelector)
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/* XMM0-7 */ ,
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/* XMM0-7 */ ,
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context_offset (ExtendedRegisters[10*16]),
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context_offset (ExtendedRegisters[10*16]),
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context_offset (ExtendedRegisters[11*16]),
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context_offset (ExtendedRegisters[11*16]),
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context_offset (ExtendedRegisters[12*16]),
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context_offset (ExtendedRegisters[12*16]),
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context_offset (ExtendedRegisters[13*16]),
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context_offset (ExtendedRegisters[13*16]),
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context_offset (ExtendedRegisters[14*16]),
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context_offset (ExtendedRegisters[14*16]),
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context_offset (ExtendedRegisters[15*16]),
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context_offset (ExtendedRegisters[15*16]),
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context_offset (ExtendedRegisters[16*16]),
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context_offset (ExtendedRegisters[16*16]),
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context_offset (ExtendedRegisters[17*16]),
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context_offset (ExtendedRegisters[17*16]),
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/* MXCSR */
|
/* MXCSR */
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context_offset (ExtendedRegisters[24])
|
context_offset (ExtendedRegisters[24])
|
};
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};
|
|
|
#undef context_offset
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#undef context_offset
|
|
|
/* This vector maps the target's idea of an exception (extracted
|
/* This vector maps the target's idea of an exception (extracted
|
from the DEBUG_EVENT structure) to GDB's idea. */
|
from the DEBUG_EVENT structure) to GDB's idea. */
|
|
|
struct xlate_exception
|
struct xlate_exception
|
{
|
{
|
int them;
|
int them;
|
enum target_signal us;
|
enum target_signal us;
|
};
|
};
|
|
|
static const struct xlate_exception
|
static const struct xlate_exception
|
xlate[] =
|
xlate[] =
|
{
|
{
|
{EXCEPTION_ACCESS_VIOLATION, TARGET_SIGNAL_SEGV},
|
{EXCEPTION_ACCESS_VIOLATION, TARGET_SIGNAL_SEGV},
|
{STATUS_STACK_OVERFLOW, TARGET_SIGNAL_SEGV},
|
{STATUS_STACK_OVERFLOW, TARGET_SIGNAL_SEGV},
|
{EXCEPTION_BREAKPOINT, TARGET_SIGNAL_TRAP},
|
{EXCEPTION_BREAKPOINT, TARGET_SIGNAL_TRAP},
|
{DBG_CONTROL_C, TARGET_SIGNAL_INT},
|
{DBG_CONTROL_C, TARGET_SIGNAL_INT},
|
{EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP},
|
{EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP},
|
{STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE},
|
{STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE},
|
{-1, -1}};
|
{-1, -1}};
|
|
|
static void
|
static void
|
check (BOOL ok, const char *file, int line)
|
check (BOOL ok, const char *file, int line)
|
{
|
{
|
if (!ok)
|
if (!ok)
|
printf_filtered ("error return %s:%d was %lu\n", file, line,
|
printf_filtered ("error return %s:%d was %lu\n", file, line,
|
GetLastError ());
|
GetLastError ());
|
}
|
}
|
|
|
/* Find a thread record given a thread id. If GET_CONTEXT is not 0,
|
/* Find a thread record given a thread id. If GET_CONTEXT is not 0,
|
then also retrieve the context for this thread. If GET_CONTEXT is
|
then also retrieve the context for this thread. If GET_CONTEXT is
|
negative, then don't suspend the thread. */
|
negative, then don't suspend the thread. */
|
static thread_info *
|
static thread_info *
|
thread_rec (DWORD id, int get_context)
|
thread_rec (DWORD id, int get_context)
|
{
|
{
|
thread_info *th;
|
thread_info *th;
|
|
|
for (th = &thread_head; (th = th->next) != NULL;)
|
for (th = &thread_head; (th = th->next) != NULL;)
|
if (th->id == id)
|
if (th->id == id)
|
{
|
{
|
if (!th->suspended && get_context)
|
if (!th->suspended && get_context)
|
{
|
{
|
if (get_context > 0 && id != current_event.dwThreadId)
|
if (get_context > 0 && id != current_event.dwThreadId)
|
{
|
{
|
if (SuspendThread (th->h) == (DWORD) -1)
|
if (SuspendThread (th->h) == (DWORD) -1)
|
{
|
{
|
DWORD err = GetLastError ();
|
DWORD err = GetLastError ();
|
warning (_("SuspendThread failed. (winerr %d)"),
|
warning (_("SuspendThread failed. (winerr %d)"),
|
(int) err);
|
(int) err);
|
return NULL;
|
return NULL;
|
}
|
}
|
th->suspended = 1;
|
th->suspended = 1;
|
}
|
}
|
else if (get_context < 0)
|
else if (get_context < 0)
|
th->suspended = -1;
|
th->suspended = -1;
|
th->reload_context = 1;
|
th->reload_context = 1;
|
}
|
}
|
return th;
|
return th;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Add a thread to the thread list */
|
/* Add a thread to the thread list */
|
static thread_info *
|
static thread_info *
|
win32_add_thread (DWORD id, HANDLE h)
|
win32_add_thread (DWORD id, HANDLE h)
|
{
|
{
|
thread_info *th;
|
thread_info *th;
|
|
|
if ((th = thread_rec (id, FALSE)))
|
if ((th = thread_rec (id, FALSE)))
|
return th;
|
return th;
|
|
|
th = XZALLOC (thread_info);
|
th = XZALLOC (thread_info);
|
th->id = id;
|
th->id = id;
|
th->h = h;
|
th->h = h;
|
th->next = thread_head.next;
|
th->next = thread_head.next;
|
thread_head.next = th;
|
thread_head.next = th;
|
add_thread (pid_to_ptid (id));
|
add_thread (pid_to_ptid (id));
|
/* Set the debug registers for the new thread in they are used. */
|
/* Set the debug registers for the new thread in they are used. */
|
if (debug_registers_used)
|
if (debug_registers_used)
|
{
|
{
|
/* Only change the value of the debug registers. */
|
/* Only change the value of the debug registers. */
|
th->context.ContextFlags = CONTEXT_DEBUG_REGISTERS;
|
th->context.ContextFlags = CONTEXT_DEBUG_REGISTERS;
|
CHECK (GetThreadContext (th->h, &th->context));
|
CHECK (GetThreadContext (th->h, &th->context));
|
th->context.Dr0 = dr[0];
|
th->context.Dr0 = dr[0];
|
th->context.Dr1 = dr[1];
|
th->context.Dr1 = dr[1];
|
th->context.Dr2 = dr[2];
|
th->context.Dr2 = dr[2];
|
th->context.Dr3 = dr[3];
|
th->context.Dr3 = dr[3];
|
th->context.Dr6 = DR6_CLEAR_VALUE;
|
th->context.Dr6 = DR6_CLEAR_VALUE;
|
th->context.Dr7 = dr[7];
|
th->context.Dr7 = dr[7];
|
CHECK (SetThreadContext (th->h, &th->context));
|
CHECK (SetThreadContext (th->h, &th->context));
|
th->context.ContextFlags = 0;
|
th->context.ContextFlags = 0;
|
}
|
}
|
return th;
|
return th;
|
}
|
}
|
|
|
/* Clear out any old thread list and reintialize it to a
|
/* Clear out any old thread list and reintialize it to a
|
pristine state. */
|
pristine state. */
|
static void
|
static void
|
win32_init_thread_list (void)
|
win32_init_thread_list (void)
|
{
|
{
|
thread_info *th = &thread_head;
|
thread_info *th = &thread_head;
|
|
|
DEBUG_EVENTS (("gdb: win32_init_thread_list\n"));
|
DEBUG_EVENTS (("gdb: win32_init_thread_list\n"));
|
init_thread_list ();
|
init_thread_list ();
|
while (th->next != NULL)
|
while (th->next != NULL)
|
{
|
{
|
thread_info *here = th->next;
|
thread_info *here = th->next;
|
th->next = here->next;
|
th->next = here->next;
|
xfree (here);
|
xfree (here);
|
}
|
}
|
thread_head.next = NULL;
|
thread_head.next = NULL;
|
}
|
}
|
|
|
/* Delete a thread from the list of threads */
|
/* Delete a thread from the list of threads */
|
static void
|
static void
|
win32_delete_thread (DWORD id)
|
win32_delete_thread (DWORD id)
|
{
|
{
|
thread_info *th;
|
thread_info *th;
|
|
|
if (info_verbose)
|
if (info_verbose)
|
printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (pid_to_ptid (id)));
|
printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (pid_to_ptid (id)));
|
delete_thread (pid_to_ptid (id));
|
delete_thread (pid_to_ptid (id));
|
|
|
for (th = &thread_head;
|
for (th = &thread_head;
|
th->next != NULL && th->next->id != id;
|
th->next != NULL && th->next->id != id;
|
th = th->next)
|
th = th->next)
|
continue;
|
continue;
|
|
|
if (th->next != NULL)
|
if (th->next != NULL)
|
{
|
{
|
thread_info *here = th->next;
|
thread_info *here = th->next;
|
th->next = here->next;
|
th->next = here->next;
|
xfree (here);
|
xfree (here);
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
do_win32_fetch_inferior_registers (struct regcache *regcache, int r)
|
do_win32_fetch_inferior_registers (struct regcache *regcache, int r)
|
{
|
{
|
char *context_offset = ((char *) ¤t_thread->context) + mappings[r];
|
char *context_offset = ((char *) ¤t_thread->context) + mappings[r];
|
long l;
|
long l;
|
|
|
if (!current_thread)
|
if (!current_thread)
|
return; /* Windows sometimes uses a non-existent thread id in its
|
return; /* Windows sometimes uses a non-existent thread id in its
|
events */
|
events */
|
|
|
if (current_thread->reload_context)
|
if (current_thread->reload_context)
|
{
|
{
|
#ifdef __COPY_CONTEXT_SIZE
|
#ifdef __COPY_CONTEXT_SIZE
|
if (have_saved_context)
|
if (have_saved_context)
|
{
|
{
|
/* Lie about where the program actually is stopped since cygwin has informed us that
|
/* Lie about where the program actually is stopped since cygwin has informed us that
|
we should consider the signal to have occurred at another location which is stored
|
we should consider the signal to have occurred at another location which is stored
|
in "saved_context. */
|
in "saved_context. */
|
memcpy (¤t_thread->context, &saved_context, __COPY_CONTEXT_SIZE);
|
memcpy (¤t_thread->context, &saved_context, __COPY_CONTEXT_SIZE);
|
have_saved_context = 0;
|
have_saved_context = 0;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
{
|
{
|
thread_info *th = current_thread;
|
thread_info *th = current_thread;
|
th->context.ContextFlags = CONTEXT_DEBUGGER_DR;
|
th->context.ContextFlags = CONTEXT_DEBUGGER_DR;
|
GetThreadContext (th->h, &th->context);
|
GetThreadContext (th->h, &th->context);
|
/* Copy dr values from that thread.
|
/* Copy dr values from that thread.
|
But only if there were not modified since last stop. PR gdb/2388 */
|
But only if there were not modified since last stop. PR gdb/2388 */
|
if (!debug_registers_changed)
|
if (!debug_registers_changed)
|
{
|
{
|
dr[0] = th->context.Dr0;
|
dr[0] = th->context.Dr0;
|
dr[1] = th->context.Dr1;
|
dr[1] = th->context.Dr1;
|
dr[2] = th->context.Dr2;
|
dr[2] = th->context.Dr2;
|
dr[3] = th->context.Dr3;
|
dr[3] = th->context.Dr3;
|
dr[6] = th->context.Dr6;
|
dr[6] = th->context.Dr6;
|
dr[7] = th->context.Dr7;
|
dr[7] = th->context.Dr7;
|
}
|
}
|
}
|
}
|
current_thread->reload_context = 0;
|
current_thread->reload_context = 0;
|
}
|
}
|
|
|
#define I387_ST0_REGNUM I386_ST0_REGNUM
|
#define I387_ST0_REGNUM I386_ST0_REGNUM
|
|
|
if (r == I387_FISEG_REGNUM)
|
if (r == I387_FISEG_REGNUM)
|
{
|
{
|
l = *((long *) context_offset) & 0xffff;
|
l = *((long *) context_offset) & 0xffff;
|
regcache_raw_supply (regcache, r, (char *) &l);
|
regcache_raw_supply (regcache, r, (char *) &l);
|
}
|
}
|
else if (r == I387_FOP_REGNUM)
|
else if (r == I387_FOP_REGNUM)
|
{
|
{
|
l = (*((long *) context_offset) >> 16) & ((1 << 11) - 1);
|
l = (*((long *) context_offset) >> 16) & ((1 << 11) - 1);
|
regcache_raw_supply (regcache, r, (char *) &l);
|
regcache_raw_supply (regcache, r, (char *) &l);
|
}
|
}
|
else if (r >= 0)
|
else if (r >= 0)
|
regcache_raw_supply (regcache, r, context_offset);
|
regcache_raw_supply (regcache, r, context_offset);
|
else
|
else
|
{
|
{
|
for (r = 0; r < gdbarch_num_regs (get_regcache_arch (regcache)); r++)
|
for (r = 0; r < gdbarch_num_regs (get_regcache_arch (regcache)); r++)
|
do_win32_fetch_inferior_registers (regcache, r);
|
do_win32_fetch_inferior_registers (regcache, r);
|
}
|
}
|
|
|
#undef I387_ST0_REGNUM
|
#undef I387_ST0_REGNUM
|
}
|
}
|
|
|
static void
|
static void
|
win32_fetch_inferior_registers (struct regcache *regcache, int r)
|
win32_fetch_inferior_registers (struct regcache *regcache, int r)
|
{
|
{
|
current_thread = thread_rec (PIDGET (inferior_ptid), TRUE);
|
current_thread = thread_rec (PIDGET (inferior_ptid), TRUE);
|
/* Check if current_thread exists. Windows sometimes uses a non-existent
|
/* Check if current_thread exists. Windows sometimes uses a non-existent
|
thread id in its events */
|
thread id in its events */
|
if (current_thread)
|
if (current_thread)
|
do_win32_fetch_inferior_registers (regcache, r);
|
do_win32_fetch_inferior_registers (regcache, r);
|
}
|
}
|
|
|
static void
|
static void
|
do_win32_store_inferior_registers (const struct regcache *regcache, int r)
|
do_win32_store_inferior_registers (const struct regcache *regcache, int r)
|
{
|
{
|
if (!current_thread)
|
if (!current_thread)
|
/* Windows sometimes uses a non-existent thread id in its events */;
|
/* Windows sometimes uses a non-existent thread id in its events */;
|
else if (r >= 0)
|
else if (r >= 0)
|
regcache_raw_collect (regcache, r,
|
regcache_raw_collect (regcache, r,
|
((char *) ¤t_thread->context) + mappings[r]);
|
((char *) ¤t_thread->context) + mappings[r]);
|
else
|
else
|
{
|
{
|
for (r = 0; r < gdbarch_num_regs (get_regcache_arch (regcache)); r++)
|
for (r = 0; r < gdbarch_num_regs (get_regcache_arch (regcache)); r++)
|
do_win32_store_inferior_registers (regcache, r);
|
do_win32_store_inferior_registers (regcache, r);
|
}
|
}
|
}
|
}
|
|
|
/* Store a new register value into the current thread context */
|
/* Store a new register value into the current thread context */
|
static void
|
static void
|
win32_store_inferior_registers (struct regcache *regcache, int r)
|
win32_store_inferior_registers (struct regcache *regcache, int r)
|
{
|
{
|
current_thread = thread_rec (PIDGET (inferior_ptid), TRUE);
|
current_thread = thread_rec (PIDGET (inferior_ptid), TRUE);
|
/* Check if current_thread exists. Windows sometimes uses a non-existent
|
/* Check if current_thread exists. Windows sometimes uses a non-existent
|
thread id in its events */
|
thread id in its events */
|
if (current_thread)
|
if (current_thread)
|
do_win32_store_inferior_registers (regcache, r);
|
do_win32_store_inferior_registers (regcache, r);
|
}
|
}
|
|
|
static int psapi_loaded = 0;
|
static int psapi_loaded = 0;
|
static BOOL WINAPI (*psapi_EnumProcessModules) (HANDLE, HMODULE *, DWORD,
|
static BOOL WINAPI (*psapi_EnumProcessModules) (HANDLE, HMODULE *, DWORD,
|
LPDWORD);
|
LPDWORD);
|
static BOOL WINAPI (*psapi_GetModuleInformation) (HANDLE, HMODULE, LPMODULEINFO,
|
static BOOL WINAPI (*psapi_GetModuleInformation) (HANDLE, HMODULE, LPMODULEINFO,
|
DWORD);
|
DWORD);
|
static DWORD WINAPI (*psapi_GetModuleFileNameExA) (HANDLE, HMODULE, LPSTR,
|
static DWORD WINAPI (*psapi_GetModuleFileNameExA) (HANDLE, HMODULE, LPSTR,
|
DWORD);
|
DWORD);
|
|
|
/* Get the name of a given module at at given base address. If base_address
|
/* Get the name of a given module at at given base address. If base_address
|
is zero return the first loaded module (which is always the name of the
|
is zero return the first loaded module (which is always the name of the
|
executable). */
|
executable). */
|
static int
|
static int
|
get_module_name (DWORD base_address, char *dll_name_ret)
|
get_module_name (DWORD base_address, char *dll_name_ret)
|
{
|
{
|
DWORD len;
|
DWORD len;
|
MODULEINFO mi;
|
MODULEINFO mi;
|
int i;
|
int i;
|
HMODULE dh_buf[1];
|
HMODULE dh_buf[1];
|
HMODULE *DllHandle = dh_buf; /* Set to temporary storage for initial query */
|
HMODULE *DllHandle = dh_buf; /* Set to temporary storage for initial query */
|
DWORD cbNeeded;
|
DWORD cbNeeded;
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
char pathbuf[PATH_MAX + 1]; /* Temporary storage prior to converting to
|
char pathbuf[PATH_MAX + 1]; /* Temporary storage prior to converting to
|
posix form */
|
posix form */
|
#else
|
#else
|
char *pathbuf = dll_name_ret; /* Just copy directly to passed-in arg */
|
char *pathbuf = dll_name_ret; /* Just copy directly to passed-in arg */
|
#endif
|
#endif
|
|
|
/* If psapi_loaded < 0 either psapi.dll is not available or it does not contain
|
/* If psapi_loaded < 0 either psapi.dll is not available or it does not contain
|
the needed functions. */
|
the needed functions. */
|
if (psapi_loaded <= 0)
|
if (psapi_loaded <= 0)
|
goto failed;
|
goto failed;
|
|
|
cbNeeded = 0;
|
cbNeeded = 0;
|
/* Find size of buffer needed to handle list of modules loaded in inferior */
|
/* Find size of buffer needed to handle list of modules loaded in inferior */
|
if (!psapi_EnumProcessModules (current_process_handle, DllHandle,
|
if (!psapi_EnumProcessModules (current_process_handle, DllHandle,
|
sizeof (HMODULE), &cbNeeded) || !cbNeeded)
|
sizeof (HMODULE), &cbNeeded) || !cbNeeded)
|
goto failed;
|
goto failed;
|
|
|
/* Allocate correct amount of space for module list */
|
/* Allocate correct amount of space for module list */
|
DllHandle = (HMODULE *) alloca (cbNeeded);
|
DllHandle = (HMODULE *) alloca (cbNeeded);
|
if (!DllHandle)
|
if (!DllHandle)
|
goto failed;
|
goto failed;
|
|
|
/* Get the list of modules */
|
/* Get the list of modules */
|
if (!psapi_EnumProcessModules (current_process_handle, DllHandle, cbNeeded,
|
if (!psapi_EnumProcessModules (current_process_handle, DllHandle, cbNeeded,
|
&cbNeeded))
|
&cbNeeded))
|
goto failed;
|
goto failed;
|
|
|
for (i = 0; i < (int) (cbNeeded / sizeof (HMODULE)); i++)
|
for (i = 0; i < (int) (cbNeeded / sizeof (HMODULE)); i++)
|
{
|
{
|
/* Get information on this module */
|
/* Get information on this module */
|
if (!psapi_GetModuleInformation (current_process_handle, DllHandle[i],
|
if (!psapi_GetModuleInformation (current_process_handle, DllHandle[i],
|
&mi, sizeof (mi)))
|
&mi, sizeof (mi)))
|
error (_("Can't get module info"));
|
error (_("Can't get module info"));
|
|
|
if (!base_address || (DWORD) (mi.lpBaseOfDll) == base_address)
|
if (!base_address || (DWORD) (mi.lpBaseOfDll) == base_address)
|
{
|
{
|
/* Try to find the name of the given module */
|
/* Try to find the name of the given module */
|
len = psapi_GetModuleFileNameExA (current_process_handle,
|
len = psapi_GetModuleFileNameExA (current_process_handle,
|
DllHandle[i], pathbuf, MAX_PATH);
|
DllHandle[i], pathbuf, MAX_PATH);
|
if (len == 0)
|
if (len == 0)
|
error (_("Error getting dll name: %u."), (unsigned) GetLastError ());
|
error (_("Error getting dll name: %u."), (unsigned) GetLastError ());
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
/* Cygwin prefers that the path be in /x/y/z format */
|
/* Cygwin prefers that the path be in /x/y/z format */
|
cygwin_conv_to_full_posix_path (pathbuf, dll_name_ret);
|
cygwin_conv_to_full_posix_path (pathbuf, dll_name_ret);
|
#endif
|
#endif
|
return 1; /* success */
|
return 1; /* success */
|
}
|
}
|
}
|
}
|
|
|
failed:
|
failed:
|
dll_name_ret[0] = '\0';
|
dll_name_ret[0] = '\0';
|
return 0; /* failure */
|
return 0; /* failure */
|
}
|
}
|
|
|
/* Encapsulate the information required in a call to
|
/* Encapsulate the information required in a call to
|
symbol_file_add_args */
|
symbol_file_add_args */
|
struct safe_symbol_file_add_args
|
struct safe_symbol_file_add_args
|
{
|
{
|
char *name;
|
char *name;
|
int from_tty;
|
int from_tty;
|
struct section_addr_info *addrs;
|
struct section_addr_info *addrs;
|
int mainline;
|
int mainline;
|
int flags;
|
int flags;
|
struct ui_file *err, *out;
|
struct ui_file *err, *out;
|
struct objfile *ret;
|
struct objfile *ret;
|
};
|
};
|
|
|
/* Maintain a linked list of "so" information. */
|
/* Maintain a linked list of "so" information. */
|
struct lm_info
|
struct lm_info
|
{
|
{
|
DWORD load_addr;
|
DWORD load_addr;
|
};
|
};
|
|
|
static struct so_list solib_start, *solib_end;
|
static struct so_list solib_start, *solib_end;
|
|
|
/* Call symbol_file_add with stderr redirected. We don't care if there
|
/* Call symbol_file_add with stderr redirected. We don't care if there
|
are errors. */
|
are errors. */
|
static int
|
static int
|
safe_symbol_file_add_stub (void *argv)
|
safe_symbol_file_add_stub (void *argv)
|
{
|
{
|
#define p ((struct safe_symbol_file_add_args *) argv)
|
#define p ((struct safe_symbol_file_add_args *) argv)
|
struct so_list *so = &solib_start;
|
struct so_list *so = &solib_start;
|
|
|
p->ret = symbol_file_add (p->name, p->from_tty, p->addrs, p->mainline, p->flags);
|
p->ret = symbol_file_add (p->name, p->from_tty, p->addrs, p->mainline, p->flags);
|
return !!p->ret;
|
return !!p->ret;
|
#undef p
|
#undef p
|
}
|
}
|
|
|
/* Restore gdb's stderr after calling symbol_file_add */
|
/* Restore gdb's stderr after calling symbol_file_add */
|
static void
|
static void
|
safe_symbol_file_add_cleanup (void *p)
|
safe_symbol_file_add_cleanup (void *p)
|
{
|
{
|
#define sp ((struct safe_symbol_file_add_args *)p)
|
#define sp ((struct safe_symbol_file_add_args *)p)
|
gdb_flush (gdb_stderr);
|
gdb_flush (gdb_stderr);
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
ui_file_delete (gdb_stderr);
|
ui_file_delete (gdb_stderr);
|
ui_file_delete (gdb_stdout);
|
ui_file_delete (gdb_stdout);
|
gdb_stderr = sp->err;
|
gdb_stderr = sp->err;
|
gdb_stdout = sp->out;
|
gdb_stdout = sp->out;
|
#undef sp
|
#undef sp
|
}
|
}
|
|
|
/* symbol_file_add wrapper that prevents errors from being displayed. */
|
/* symbol_file_add wrapper that prevents errors from being displayed. */
|
static struct objfile *
|
static struct objfile *
|
safe_symbol_file_add (char *name, int from_tty,
|
safe_symbol_file_add (char *name, int from_tty,
|
struct section_addr_info *addrs,
|
struct section_addr_info *addrs,
|
int mainline, int flags)
|
int mainline, int flags)
|
{
|
{
|
struct safe_symbol_file_add_args p;
|
struct safe_symbol_file_add_args p;
|
struct cleanup *cleanup;
|
struct cleanup *cleanup;
|
|
|
cleanup = make_cleanup (safe_symbol_file_add_cleanup, &p);
|
cleanup = make_cleanup (safe_symbol_file_add_cleanup, &p);
|
|
|
p.err = gdb_stderr;
|
p.err = gdb_stderr;
|
p.out = gdb_stdout;
|
p.out = gdb_stdout;
|
gdb_flush (gdb_stderr);
|
gdb_flush (gdb_stderr);
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
gdb_stderr = ui_file_new ();
|
gdb_stderr = ui_file_new ();
|
gdb_stdout = ui_file_new ();
|
gdb_stdout = ui_file_new ();
|
p.name = name;
|
p.name = name;
|
p.from_tty = from_tty;
|
p.from_tty = from_tty;
|
p.addrs = addrs;
|
p.addrs = addrs;
|
p.mainline = mainline;
|
p.mainline = mainline;
|
p.flags = flags;
|
p.flags = flags;
|
catch_errors (safe_symbol_file_add_stub, &p, "", RETURN_MASK_ERROR);
|
catch_errors (safe_symbol_file_add_stub, &p, "", RETURN_MASK_ERROR);
|
|
|
do_cleanups (cleanup);
|
do_cleanups (cleanup);
|
return p.ret;
|
return p.ret;
|
}
|
}
|
|
|
static struct so_list *
|
static struct so_list *
|
win32_make_so (const char *name, DWORD load_addr)
|
win32_make_so (const char *name, DWORD load_addr)
|
{
|
{
|
struct so_list *so;
|
struct so_list *so;
|
char buf[MAX_PATH + 1];
|
char buf[MAX_PATH + 1];
|
char cwd[MAX_PATH + 1];
|
char cwd[MAX_PATH + 1];
|
char *p;
|
char *p;
|
WIN32_FIND_DATA w32_fd;
|
WIN32_FIND_DATA w32_fd;
|
HANDLE h = FindFirstFile(name, &w32_fd);
|
HANDLE h = FindFirstFile(name, &w32_fd);
|
MEMORY_BASIC_INFORMATION m;
|
MEMORY_BASIC_INFORMATION m;
|
|
|
if (h == INVALID_HANDLE_VALUE)
|
if (h == INVALID_HANDLE_VALUE)
|
strcpy (buf, name);
|
strcpy (buf, name);
|
else
|
else
|
{
|
{
|
FindClose (h);
|
FindClose (h);
|
strcpy (buf, name);
|
strcpy (buf, name);
|
if (GetCurrentDirectory (MAX_PATH + 1, cwd))
|
if (GetCurrentDirectory (MAX_PATH + 1, cwd))
|
{
|
{
|
p = strrchr (buf, '\\');
|
p = strrchr (buf, '\\');
|
if (p)
|
if (p)
|
p[1] = '\0';
|
p[1] = '\0';
|
SetCurrentDirectory (buf);
|
SetCurrentDirectory (buf);
|
GetFullPathName (w32_fd.cFileName, MAX_PATH, buf, &p);
|
GetFullPathName (w32_fd.cFileName, MAX_PATH, buf, &p);
|
SetCurrentDirectory (cwd);
|
SetCurrentDirectory (cwd);
|
}
|
}
|
}
|
}
|
|
|
if (strcasecmp (buf, "ntdll.dll") == 0)
|
if (strcasecmp (buf, "ntdll.dll") == 0)
|
{
|
{
|
GetSystemDirectory (buf, sizeof (buf));
|
GetSystemDirectory (buf, sizeof (buf));
|
strcat (buf, "\\ntdll.dll");
|
strcat (buf, "\\ntdll.dll");
|
}
|
}
|
so = XZALLOC (struct so_list);
|
so = XZALLOC (struct so_list);
|
so->lm_info = (struct lm_info *) xmalloc (sizeof (struct lm_info));
|
so->lm_info = (struct lm_info *) xmalloc (sizeof (struct lm_info));
|
so->lm_info->load_addr = load_addr;
|
so->lm_info->load_addr = load_addr;
|
strcpy (so->so_original_name, name);
|
strcpy (so->so_original_name, name);
|
#ifndef __CYGWIN__
|
#ifndef __CYGWIN__
|
strcpy (so->so_name, buf);
|
strcpy (so->so_name, buf);
|
#else
|
#else
|
cygwin_conv_to_posix_path (buf, so->so_name);
|
cygwin_conv_to_posix_path (buf, so->so_name);
|
/* Record cygwin1.dll .text start/end. */
|
/* Record cygwin1.dll .text start/end. */
|
p = strchr (so->so_name, '\0') - (sizeof ("/cygwin1.dll") - 1);
|
p = strchr (so->so_name, '\0') - (sizeof ("/cygwin1.dll") - 1);
|
if (p >= so->so_name && strcasecmp (p, "/cygwin1.dll") == 0)
|
if (p >= so->so_name && strcasecmp (p, "/cygwin1.dll") == 0)
|
{
|
{
|
bfd *abfd;
|
bfd *abfd;
|
asection *text = NULL;
|
asection *text = NULL;
|
CORE_ADDR text_vma;
|
CORE_ADDR text_vma;
|
|
|
abfd = bfd_openr (so->so_name, "pei-i386");
|
abfd = bfd_openr (so->so_name, "pei-i386");
|
|
|
if (!abfd)
|
if (!abfd)
|
return so;
|
return so;
|
|
|
if (bfd_check_format (abfd, bfd_object))
|
if (bfd_check_format (abfd, bfd_object))
|
text = bfd_get_section_by_name (abfd, ".text");
|
text = bfd_get_section_by_name (abfd, ".text");
|
|
|
if (!text)
|
if (!text)
|
{
|
{
|
bfd_close (abfd);
|
bfd_close (abfd);
|
return so;
|
return so;
|
}
|
}
|
|
|
/* The symbols in a dll are offset by 0x1000, which is the the
|
/* 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
|
offset from 0 of the first byte in an image - because of the
|
file header and the section alignment. */
|
file header and the section alignment. */
|
cygwin_load_start = load_addr + 0x1000;
|
cygwin_load_start = load_addr + 0x1000;
|
cygwin_load_end = cygwin_load_start + bfd_section_size (abfd, text);
|
cygwin_load_end = cygwin_load_start + bfd_section_size (abfd, text);
|
|
|
bfd_close (abfd);
|
bfd_close (abfd);
|
}
|
}
|
#endif
|
#endif
|
|
|
return so;
|
return so;
|
}
|
}
|
|
|
static char *
|
static char *
|
get_image_name (HANDLE h, void *address, int unicode)
|
get_image_name (HANDLE h, void *address, int unicode)
|
{
|
{
|
static char buf[(2 * MAX_PATH) + 1];
|
static char buf[(2 * MAX_PATH) + 1];
|
DWORD size = unicode ? sizeof (WCHAR) : sizeof (char);
|
DWORD size = unicode ? sizeof (WCHAR) : sizeof (char);
|
char *address_ptr;
|
char *address_ptr;
|
int len = 0;
|
int len = 0;
|
char b[2];
|
char b[2];
|
DWORD done;
|
DWORD done;
|
|
|
/* Attempt to read the name of the dll that was detected.
|
/* Attempt to read the name of the dll that was detected.
|
This is documented to work only when actively debugging
|
This is documented to work only when actively debugging
|
a program. It will not work for attached processes. */
|
a program. It will not work for attached processes. */
|
if (address == NULL)
|
if (address == NULL)
|
return NULL;
|
return NULL;
|
|
|
/* See if we could read the address of a string, and that the
|
/* See if we could read the address of a string, and that the
|
address isn't null. */
|
address isn't null. */
|
if (!ReadProcessMemory (h, address, &address_ptr, sizeof (address_ptr), &done)
|
if (!ReadProcessMemory (h, address, &address_ptr, sizeof (address_ptr), &done)
|
|| done != sizeof (address_ptr) || !address_ptr)
|
|| done != sizeof (address_ptr) || !address_ptr)
|
return NULL;
|
return NULL;
|
|
|
/* Find the length of the string */
|
/* Find the length of the string */
|
while (ReadProcessMemory (h, address_ptr + len++ * size, &b, size, &done)
|
while (ReadProcessMemory (h, address_ptr + len++ * size, &b, size, &done)
|
&& (b[0] != 0 || b[size - 1] != 0) && done == size)
|
&& (b[0] != 0 || b[size - 1] != 0) && done == size)
|
continue;
|
continue;
|
|
|
if (!unicode)
|
if (!unicode)
|
ReadProcessMemory (h, address_ptr, buf, len, &done);
|
ReadProcessMemory (h, address_ptr, buf, len, &done);
|
else
|
else
|
{
|
{
|
WCHAR *unicode_address = (WCHAR *) alloca (len * sizeof (WCHAR));
|
WCHAR *unicode_address = (WCHAR *) alloca (len * sizeof (WCHAR));
|
ReadProcessMemory (h, address_ptr, unicode_address, len * sizeof (WCHAR),
|
ReadProcessMemory (h, address_ptr, unicode_address, len * sizeof (WCHAR),
|
&done);
|
&done);
|
|
|
WideCharToMultiByte (CP_ACP, 0, unicode_address, len, buf, len, 0, 0);
|
WideCharToMultiByte (CP_ACP, 0, unicode_address, len, buf, len, 0, 0);
|
}
|
}
|
|
|
return buf;
|
return buf;
|
}
|
}
|
|
|
/* Wait for child to do something. Return pid of child, or -1 in case
|
/* Wait for child to do something. Return pid of child, or -1 in case
|
of error; store status through argument pointer OURSTATUS. */
|
of error; store status through argument pointer OURSTATUS. */
|
static int
|
static int
|
handle_load_dll (void *dummy)
|
handle_load_dll (void *dummy)
|
{
|
{
|
LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll;
|
LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll;
|
char dll_buf[MAX_PATH + 1];
|
char dll_buf[MAX_PATH + 1];
|
char *dll_name = NULL;
|
char *dll_name = NULL;
|
|
|
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
|
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
|
|
|
if (!get_module_name ((DWORD) event->lpBaseOfDll, dll_buf))
|
if (!get_module_name ((DWORD) event->lpBaseOfDll, dll_buf))
|
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
|
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
|
|
|
dll_name = dll_buf;
|
dll_name = dll_buf;
|
|
|
if (*dll_name == '\0')
|
if (*dll_name == '\0')
|
dll_name = get_image_name (current_process_handle,
|
dll_name = get_image_name (current_process_handle,
|
event->lpImageName, event->fUnicode);
|
event->lpImageName, event->fUnicode);
|
if (!dll_name)
|
if (!dll_name)
|
return 1;
|
return 1;
|
|
|
solib_end->next = win32_make_so (dll_name, (DWORD) event->lpBaseOfDll);
|
solib_end->next = win32_make_so (dll_name, (DWORD) event->lpBaseOfDll);
|
solib_end = solib_end->next;
|
solib_end = solib_end->next;
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static void
|
static void
|
win32_free_so (struct so_list *so)
|
win32_free_so (struct so_list *so)
|
{
|
{
|
if (so->lm_info)
|
if (so->lm_info)
|
xfree (so->lm_info);
|
xfree (so->lm_info);
|
xfree (so);
|
xfree (so);
|
}
|
}
|
|
|
static int
|
static int
|
handle_unload_dll (void *dummy)
|
handle_unload_dll (void *dummy)
|
{
|
{
|
DWORD lpBaseOfDll = (DWORD) current_event.u.UnloadDll.lpBaseOfDll;
|
DWORD lpBaseOfDll = (DWORD) current_event.u.UnloadDll.lpBaseOfDll;
|
struct so_list *so;
|
struct so_list *so;
|
|
|
for (so = &solib_start; so->next != NULL; so = so->next)
|
for (so = &solib_start; so->next != NULL; so = so->next)
|
if (so->next->lm_info->load_addr == lpBaseOfDll)
|
if (so->next->lm_info->load_addr == lpBaseOfDll)
|
{
|
{
|
struct so_list *sodel = so->next;
|
struct so_list *sodel = so->next;
|
so->next = sodel->next;
|
so->next = sodel->next;
|
if (!so->next)
|
if (!so->next)
|
solib_end = so;
|
solib_end = so;
|
win32_free_so (sodel);
|
win32_free_so (sodel);
|
solib_add (NULL, 0, NULL, auto_solib_add);
|
solib_add (NULL, 0, NULL, auto_solib_add);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
error (_("Error: dll starting at 0x%lx not found."), (DWORD) lpBaseOfDll);
|
error (_("Error: dll starting at 0x%lx not found."), (DWORD) lpBaseOfDll);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Clear list of loaded DLLs. */
|
/* Clear list of loaded DLLs. */
|
static void
|
static void
|
win32_clear_solib (void)
|
win32_clear_solib (void)
|
{
|
{
|
solib_start.next = NULL;
|
solib_start.next = NULL;
|
solib_end = &solib_start;
|
solib_end = &solib_start;
|
}
|
}
|
|
|
/* Load DLL symbol info. */
|
/* Load DLL symbol info. */
|
void
|
void
|
dll_symbol_command (char *args, int from_tty)
|
dll_symbol_command (char *args, int from_tty)
|
{
|
{
|
int n;
|
int n;
|
dont_repeat ();
|
dont_repeat ();
|
|
|
if (args == NULL)
|
if (args == NULL)
|
error (_("dll-symbols requires a file name"));
|
error (_("dll-symbols requires a file name"));
|
|
|
n = strlen (args);
|
n = strlen (args);
|
if (n > 4 && strcasecmp (args + n - 4, ".dll") != 0)
|
if (n > 4 && strcasecmp (args + n - 4, ".dll") != 0)
|
{
|
{
|
char *newargs = (char *) alloca (n + 4 + 1);
|
char *newargs = (char *) alloca (n + 4 + 1);
|
strcpy (newargs, args);
|
strcpy (newargs, args);
|
strcat (newargs, ".dll");
|
strcat (newargs, ".dll");
|
args = newargs;
|
args = newargs;
|
}
|
}
|
|
|
safe_symbol_file_add (args, from_tty, NULL, 0, OBJF_SHARED | OBJF_USERLOADED);
|
safe_symbol_file_add (args, from_tty, NULL, 0, OBJF_SHARED | OBJF_USERLOADED);
|
}
|
}
|
|
|
/* Handle DEBUG_STRING output from child process.
|
/* Handle DEBUG_STRING output from child process.
|
Cygwin prepends its messages with a "cygwin:". Interpret this as
|
Cygwin prepends its messages with a "cygwin:". Interpret this as
|
a Cygwin signal. Otherwise just print the string as a warning. */
|
a Cygwin signal. Otherwise just print the string as a warning. */
|
static int
|
static int
|
handle_output_debug_string (struct target_waitstatus *ourstatus)
|
handle_output_debug_string (struct target_waitstatus *ourstatus)
|
{
|
{
|
char *s = NULL;
|
char *s = NULL;
|
int retval = 0;
|
int retval = 0;
|
|
|
if (!target_read_string
|
if (!target_read_string
|
((CORE_ADDR) (uintptr_t) current_event.u.DebugString.lpDebugStringData,
|
((CORE_ADDR) (uintptr_t) current_event.u.DebugString.lpDebugStringData,
|
&s, 1024, 0)
|
&s, 1024, 0)
|
|| !s || !*s)
|
|| !s || !*s)
|
/* nothing to do */;
|
/* nothing to do */;
|
else if (strncmp (s, _CYGWIN_SIGNAL_STRING, sizeof (_CYGWIN_SIGNAL_STRING) - 1) != 0)
|
else if (strncmp (s, _CYGWIN_SIGNAL_STRING, sizeof (_CYGWIN_SIGNAL_STRING) - 1) != 0)
|
{
|
{
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
if (strncmp (s, "cYg", 3) != 0)
|
if (strncmp (s, "cYg", 3) != 0)
|
#endif
|
#endif
|
warning (("%s"), s);
|
warning (("%s"), s);
|
}
|
}
|
#ifdef __COPY_CONTEXT_SIZE
|
#ifdef __COPY_CONTEXT_SIZE
|
else
|
else
|
{
|
{
|
/* Got a cygwin signal marker. A cygwin signal is followed by the signal number
|
/* Got a cygwin signal marker. A cygwin signal is followed by the signal number
|
itself and then optionally followed by the thread id and address to saved context
|
itself and then optionally followed by the thread id and address to saved context
|
within the DLL. If these are supplied, then the given thread is assumed to have
|
within the DLL. If these are supplied, then the given thread is assumed to have
|
issued the signal and the context from the thread is assumed to be stored at the
|
issued the signal and the context from the thread is assumed to be stored at the
|
given address in the inferior. Tell gdb to treat this like a real signal. */
|
given address in the inferior. Tell gdb to treat this like a real signal. */
|
char *p;
|
char *p;
|
int sig = strtol (s + sizeof (_CYGWIN_SIGNAL_STRING) - 1, &p, 0);
|
int sig = strtol (s + sizeof (_CYGWIN_SIGNAL_STRING) - 1, &p, 0);
|
int gotasig = target_signal_from_host (sig);
|
int gotasig = target_signal_from_host (sig);
|
ourstatus->value.sig = gotasig;
|
ourstatus->value.sig = gotasig;
|
if (gotasig)
|
if (gotasig)
|
{
|
{
|
LPCVOID x;
|
LPCVOID x;
|
DWORD n;
|
DWORD n;
|
ourstatus->kind = TARGET_WAITKIND_STOPPED;
|
ourstatus->kind = TARGET_WAITKIND_STOPPED;
|
retval = strtoul (p, &p, 0);
|
retval = strtoul (p, &p, 0);
|
if (!retval)
|
if (!retval)
|
retval = main_thread_id;
|
retval = main_thread_id;
|
else if ((x = (LPCVOID) strtoul (p, &p, 0))
|
else if ((x = (LPCVOID) strtoul (p, &p, 0))
|
&& ReadProcessMemory (current_process_handle, x,
|
&& ReadProcessMemory (current_process_handle, x,
|
&saved_context, __COPY_CONTEXT_SIZE, &n)
|
&saved_context, __COPY_CONTEXT_SIZE, &n)
|
&& n == __COPY_CONTEXT_SIZE)
|
&& n == __COPY_CONTEXT_SIZE)
|
have_saved_context = 1;
|
have_saved_context = 1;
|
current_event.dwThreadId = retval;
|
current_event.dwThreadId = retval;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
if (s)
|
if (s)
|
xfree (s);
|
xfree (s);
|
return retval;
|
return retval;
|
}
|
}
|
|
|
static int
|
static int
|
display_selector (HANDLE thread, DWORD sel)
|
display_selector (HANDLE thread, DWORD sel)
|
{
|
{
|
LDT_ENTRY info;
|
LDT_ENTRY info;
|
if (GetThreadSelectorEntry (thread, sel, &info))
|
if (GetThreadSelectorEntry (thread, sel, &info))
|
{
|
{
|
int base, limit;
|
int base, limit;
|
printf_filtered ("0x%03lx: ", sel);
|
printf_filtered ("0x%03lx: ", sel);
|
if (!info.HighWord.Bits.Pres)
|
if (!info.HighWord.Bits.Pres)
|
{
|
{
|
puts_filtered ("Segment not present\n");
|
puts_filtered ("Segment not present\n");
|
return 0;
|
return 0;
|
}
|
}
|
base = (info.HighWord.Bits.BaseHi << 24) +
|
base = (info.HighWord.Bits.BaseHi << 24) +
|
(info.HighWord.Bits.BaseMid << 16)
|
(info.HighWord.Bits.BaseMid << 16)
|
+ info.BaseLow;
|
+ info.BaseLow;
|
limit = (info.HighWord.Bits.LimitHi << 16) + info.LimitLow;
|
limit = (info.HighWord.Bits.LimitHi << 16) + info.LimitLow;
|
if (info.HighWord.Bits.Granularity)
|
if (info.HighWord.Bits.Granularity)
|
limit = (limit << 12) | 0xfff;
|
limit = (limit << 12) | 0xfff;
|
printf_filtered ("base=0x%08x limit=0x%08x", base, limit);
|
printf_filtered ("base=0x%08x limit=0x%08x", base, limit);
|
if (info.HighWord.Bits.Default_Big)
|
if (info.HighWord.Bits.Default_Big)
|
puts_filtered(" 32-bit ");
|
puts_filtered(" 32-bit ");
|
else
|
else
|
puts_filtered(" 16-bit ");
|
puts_filtered(" 16-bit ");
|
switch ((info.HighWord.Bits.Type & 0xf) >> 1)
|
switch ((info.HighWord.Bits.Type & 0xf) >> 1)
|
{
|
{
|
case 0:
|
case 0:
|
puts_filtered ("Data (Read-Only, Exp-up");
|
puts_filtered ("Data (Read-Only, Exp-up");
|
break;
|
break;
|
case 1:
|
case 1:
|
puts_filtered ("Data (Read/Write, Exp-up");
|
puts_filtered ("Data (Read/Write, Exp-up");
|
break;
|
break;
|
case 2:
|
case 2:
|
puts_filtered ("Unused segment (");
|
puts_filtered ("Unused segment (");
|
break;
|
break;
|
case 3:
|
case 3:
|
puts_filtered ("Data (Read/Write, Exp-down");
|
puts_filtered ("Data (Read/Write, Exp-down");
|
break;
|
break;
|
case 4:
|
case 4:
|
puts_filtered ("Code (Exec-Only, N.Conf");
|
puts_filtered ("Code (Exec-Only, N.Conf");
|
break;
|
break;
|
case 5:
|
case 5:
|
puts_filtered ("Code (Exec/Read, N.Conf");
|
puts_filtered ("Code (Exec/Read, N.Conf");
|
break;
|
break;
|
case 6:
|
case 6:
|
puts_filtered ("Code (Exec-Only, Conf");
|
puts_filtered ("Code (Exec-Only, Conf");
|
break;
|
break;
|
case 7:
|
case 7:
|
puts_filtered ("Code (Exec/Read, Conf");
|
puts_filtered ("Code (Exec/Read, Conf");
|
break;
|
break;
|
default:
|
default:
|
printf_filtered ("Unknown type 0x%x",info.HighWord.Bits.Type);
|
printf_filtered ("Unknown type 0x%x",info.HighWord.Bits.Type);
|
}
|
}
|
if ((info.HighWord.Bits.Type & 0x1) == 0)
|
if ((info.HighWord.Bits.Type & 0x1) == 0)
|
puts_filtered(", N.Acc");
|
puts_filtered(", N.Acc");
|
puts_filtered (")\n");
|
puts_filtered (")\n");
|
if ((info.HighWord.Bits.Type & 0x10) == 0)
|
if ((info.HighWord.Bits.Type & 0x10) == 0)
|
puts_filtered("System selector ");
|
puts_filtered("System selector ");
|
printf_filtered ("Priviledge level = %d. ", info.HighWord.Bits.Dpl);
|
printf_filtered ("Priviledge level = %d. ", info.HighWord.Bits.Dpl);
|
if (info.HighWord.Bits.Granularity)
|
if (info.HighWord.Bits.Granularity)
|
puts_filtered ("Page granular.\n");
|
puts_filtered ("Page granular.\n");
|
else
|
else
|
puts_filtered ("Byte granular.\n");
|
puts_filtered ("Byte granular.\n");
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
printf_filtered ("Invalid selector 0x%lx.\n",sel);
|
printf_filtered ("Invalid selector 0x%lx.\n",sel);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
display_selectors (char * args, int from_tty)
|
display_selectors (char * args, int from_tty)
|
{
|
{
|
if (!current_thread)
|
if (!current_thread)
|
{
|
{
|
puts_filtered ("Impossible to display selectors now.\n");
|
puts_filtered ("Impossible to display selectors now.\n");
|
return;
|
return;
|
}
|
}
|
if (!args)
|
if (!args)
|
{
|
{
|
|
|
puts_filtered ("Selector $cs\n");
|
puts_filtered ("Selector $cs\n");
|
display_selector (current_thread->h,
|
display_selector (current_thread->h,
|
current_thread->context.SegCs);
|
current_thread->context.SegCs);
|
puts_filtered ("Selector $ds\n");
|
puts_filtered ("Selector $ds\n");
|
display_selector (current_thread->h,
|
display_selector (current_thread->h,
|
current_thread->context.SegDs);
|
current_thread->context.SegDs);
|
puts_filtered ("Selector $es\n");
|
puts_filtered ("Selector $es\n");
|
display_selector (current_thread->h,
|
display_selector (current_thread->h,
|
current_thread->context.SegEs);
|
current_thread->context.SegEs);
|
puts_filtered ("Selector $ss\n");
|
puts_filtered ("Selector $ss\n");
|
display_selector (current_thread->h,
|
display_selector (current_thread->h,
|
current_thread->context.SegSs);
|
current_thread->context.SegSs);
|
puts_filtered ("Selector $fs\n");
|
puts_filtered ("Selector $fs\n");
|
display_selector (current_thread->h,
|
display_selector (current_thread->h,
|
current_thread->context.SegFs);
|
current_thread->context.SegFs);
|
puts_filtered ("Selector $gs\n");
|
puts_filtered ("Selector $gs\n");
|
display_selector (current_thread->h,
|
display_selector (current_thread->h,
|
current_thread->context.SegGs);
|
current_thread->context.SegGs);
|
}
|
}
|
else
|
else
|
{
|
{
|
int sel;
|
int sel;
|
sel = parse_and_eval_long (args);
|
sel = parse_and_eval_long (args);
|
printf_filtered ("Selector \"%s\"\n",args);
|
printf_filtered ("Selector \"%s\"\n",args);
|
display_selector (current_thread->h, sel);
|
display_selector (current_thread->h, sel);
|
}
|
}
|
}
|
}
|
|
|
static struct cmd_list_element *info_w32_cmdlist = NULL;
|
static struct cmd_list_element *info_w32_cmdlist = NULL;
|
|
|
static void
|
static void
|
info_w32_command (char *args, int from_tty)
|
info_w32_command (char *args, int from_tty)
|
{
|
{
|
help_list (info_w32_cmdlist, "info w32 ", class_info, gdb_stdout);
|
help_list (info_w32_cmdlist, "info w32 ", class_info, gdb_stdout);
|
}
|
}
|
|
|
|
|
#define DEBUG_EXCEPTION_SIMPLE(x) if (debug_exceptions) \
|
#define DEBUG_EXCEPTION_SIMPLE(x) if (debug_exceptions) \
|
printf_unfiltered ("gdb: Target exception %s at 0x%08lx\n", x, \
|
printf_unfiltered ("gdb: Target exception %s at 0x%08lx\n", x, \
|
(DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress)
|
(DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress)
|
|
|
static int
|
static int
|
handle_exception (struct target_waitstatus *ourstatus)
|
handle_exception (struct target_waitstatus *ourstatus)
|
{
|
{
|
thread_info *th;
|
thread_info *th;
|
DWORD code = current_event.u.Exception.ExceptionRecord.ExceptionCode;
|
DWORD code = current_event.u.Exception.ExceptionRecord.ExceptionCode;
|
|
|
ourstatus->kind = TARGET_WAITKIND_STOPPED;
|
ourstatus->kind = TARGET_WAITKIND_STOPPED;
|
|
|
/* Record the context of the current thread */
|
/* Record the context of the current thread */
|
th = thread_rec (current_event.dwThreadId, -1);
|
th = thread_rec (current_event.dwThreadId, -1);
|
|
|
switch (code)
|
switch (code)
|
{
|
{
|
case EXCEPTION_ACCESS_VIOLATION:
|
case EXCEPTION_ACCESS_VIOLATION:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ACCESS_VIOLATION");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ACCESS_VIOLATION");
|
ourstatus->value.sig = TARGET_SIGNAL_SEGV;
|
ourstatus->value.sig = TARGET_SIGNAL_SEGV;
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
{
|
{
|
/* See if the access violation happened within the cygwin DLL itself. Cygwin uses
|
/* See if the access violation happened within the cygwin DLL itself. Cygwin uses
|
a kind of exception handling to deal with passed-in invalid addresses. gdb
|
a kind of exception handling to deal with passed-in invalid addresses. gdb
|
should not treat these as real SEGVs since they will be silently handled by
|
should not treat these as real SEGVs since they will be silently handled by
|
cygwin. A real SEGV will (theoretically) be caught by cygwin later in the process
|
cygwin. A real SEGV will (theoretically) be caught by cygwin later in the process
|
and will be sent as a cygwin-specific-signal. So, ignore SEGVs if they show up
|
and will be sent as a cygwin-specific-signal. So, ignore SEGVs if they show up
|
within the text segment of the DLL itself. */
|
within the text segment of the DLL itself. */
|
char *fn;
|
char *fn;
|
bfd_vma addr = (bfd_vma) (uintptr_t) current_event.u.Exception.
|
bfd_vma addr = (bfd_vma) (uintptr_t) current_event.u.Exception.
|
ExceptionRecord.ExceptionAddress;
|
ExceptionRecord.ExceptionAddress;
|
if ((!cygwin_exceptions && (addr >= cygwin_load_start && addr < cygwin_load_end))
|
if ((!cygwin_exceptions && (addr >= cygwin_load_start && addr < cygwin_load_end))
|
|| (find_pc_partial_function (addr, &fn, NULL, NULL)
|
|| (find_pc_partial_function (addr, &fn, NULL, NULL)
|
&& strncmp (fn, "KERNEL32!IsBad", strlen ("KERNEL32!IsBad")) == 0))
|
&& strncmp (fn, "KERNEL32!IsBad", strlen ("KERNEL32!IsBad")) == 0))
|
return 0;
|
return 0;
|
}
|
}
|
#endif
|
#endif
|
break;
|
break;
|
case STATUS_STACK_OVERFLOW:
|
case STATUS_STACK_OVERFLOW:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_STACK_OVERFLOW");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_STACK_OVERFLOW");
|
ourstatus->value.sig = TARGET_SIGNAL_SEGV;
|
ourstatus->value.sig = TARGET_SIGNAL_SEGV;
|
break;
|
break;
|
case STATUS_FLOAT_DENORMAL_OPERAND:
|
case STATUS_FLOAT_DENORMAL_OPERAND:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DENORMAL_OPERAND");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DENORMAL_OPERAND");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
|
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ARRAY_BOUNDS_EXCEEDED");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ARRAY_BOUNDS_EXCEEDED");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_FLOAT_INEXACT_RESULT:
|
case STATUS_FLOAT_INEXACT_RESULT:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INEXACT_RESULT");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INEXACT_RESULT");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_FLOAT_INVALID_OPERATION:
|
case STATUS_FLOAT_INVALID_OPERATION:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INVALID_OPERATION");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INVALID_OPERATION");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_FLOAT_OVERFLOW:
|
case STATUS_FLOAT_OVERFLOW:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_OVERFLOW");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_OVERFLOW");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_FLOAT_STACK_CHECK:
|
case STATUS_FLOAT_STACK_CHECK:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_STACK_CHECK");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_STACK_CHECK");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_FLOAT_UNDERFLOW:
|
case STATUS_FLOAT_UNDERFLOW:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_UNDERFLOW");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_UNDERFLOW");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_FLOAT_DIVIDE_BY_ZERO:
|
case STATUS_FLOAT_DIVIDE_BY_ZERO:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DIVIDE_BY_ZERO");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DIVIDE_BY_ZERO");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_INTEGER_DIVIDE_BY_ZERO:
|
case STATUS_INTEGER_DIVIDE_BY_ZERO:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_DIVIDE_BY_ZERO");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_DIVIDE_BY_ZERO");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case STATUS_INTEGER_OVERFLOW:
|
case STATUS_INTEGER_OVERFLOW:
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_OVERFLOW");
|
DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_OVERFLOW");
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
ourstatus->value.sig = TARGET_SIGNAL_FPE;
|
break;
|
break;
|
case EXCEPTION_BREAKPOINT:
|
case EXCEPTION_BREAKPOINT:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_BREAKPOINT");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_BREAKPOINT");
|
ourstatus->value.sig = TARGET_SIGNAL_TRAP;
|
ourstatus->value.sig = TARGET_SIGNAL_TRAP;
|
break;
|
break;
|
case DBG_CONTROL_C:
|
case DBG_CONTROL_C:
|
DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_C");
|
DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_C");
|
ourstatus->value.sig = TARGET_SIGNAL_INT;
|
ourstatus->value.sig = TARGET_SIGNAL_INT;
|
break;
|
break;
|
case DBG_CONTROL_BREAK:
|
case DBG_CONTROL_BREAK:
|
DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_BREAK");
|
DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_BREAK");
|
ourstatus->value.sig = TARGET_SIGNAL_INT;
|
ourstatus->value.sig = TARGET_SIGNAL_INT;
|
break;
|
break;
|
case EXCEPTION_SINGLE_STEP:
|
case EXCEPTION_SINGLE_STEP:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_SINGLE_STEP");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_SINGLE_STEP");
|
ourstatus->value.sig = TARGET_SIGNAL_TRAP;
|
ourstatus->value.sig = TARGET_SIGNAL_TRAP;
|
break;
|
break;
|
case EXCEPTION_ILLEGAL_INSTRUCTION:
|
case EXCEPTION_ILLEGAL_INSTRUCTION:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ILLEGAL_INSTRUCTION");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ILLEGAL_INSTRUCTION");
|
ourstatus->value.sig = TARGET_SIGNAL_ILL;
|
ourstatus->value.sig = TARGET_SIGNAL_ILL;
|
break;
|
break;
|
case EXCEPTION_PRIV_INSTRUCTION:
|
case EXCEPTION_PRIV_INSTRUCTION:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_PRIV_INSTRUCTION");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_PRIV_INSTRUCTION");
|
ourstatus->value.sig = TARGET_SIGNAL_ILL;
|
ourstatus->value.sig = TARGET_SIGNAL_ILL;
|
break;
|
break;
|
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
|
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_NONCONTINUABLE_EXCEPTION");
|
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_NONCONTINUABLE_EXCEPTION");
|
ourstatus->value.sig = TARGET_SIGNAL_ILL;
|
ourstatus->value.sig = TARGET_SIGNAL_ILL;
|
break;
|
break;
|
default:
|
default:
|
/* Treat unhandled first chance exceptions specially. */
|
/* Treat unhandled first chance exceptions specially. */
|
if (current_event.u.Exception.dwFirstChance)
|
if (current_event.u.Exception.dwFirstChance)
|
return -1;
|
return -1;
|
printf_unfiltered ("gdb: unknown target exception 0x%08lx at 0x%08lx\n",
|
printf_unfiltered ("gdb: unknown target exception 0x%08lx at 0x%08lx\n",
|
current_event.u.Exception.ExceptionRecord.ExceptionCode,
|
current_event.u.Exception.ExceptionRecord.ExceptionCode,
|
(DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress);
|
(DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress);
|
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
|
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
|
break;
|
break;
|
}
|
}
|
exception_count++;
|
exception_count++;
|
last_sig = ourstatus->value.sig;
|
last_sig = ourstatus->value.sig;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Resume all artificially suspended threads if we are continuing
|
/* Resume all artificially suspended threads if we are continuing
|
execution */
|
execution */
|
static BOOL
|
static BOOL
|
win32_continue (DWORD continue_status, int id)
|
win32_continue (DWORD continue_status, int id)
|
{
|
{
|
int i;
|
int i;
|
thread_info *th;
|
thread_info *th;
|
BOOL res;
|
BOOL res;
|
|
|
DEBUG_EVENTS (("ContinueDebugEvent (cpid=%ld, ctid=%ld, %s);\n",
|
DEBUG_EVENTS (("ContinueDebugEvent (cpid=%ld, ctid=%ld, %s);\n",
|
current_event.dwProcessId, current_event.dwThreadId,
|
current_event.dwProcessId, current_event.dwThreadId,
|
continue_status == DBG_CONTINUE ?
|
continue_status == DBG_CONTINUE ?
|
"DBG_CONTINUE" : "DBG_EXCEPTION_NOT_HANDLED"));
|
"DBG_CONTINUE" : "DBG_EXCEPTION_NOT_HANDLED"));
|
|
|
for (th = &thread_head; (th = th->next) != NULL;)
|
for (th = &thread_head; (th = th->next) != NULL;)
|
if ((id == -1 || id == (int) th->id)
|
if ((id == -1 || id == (int) th->id)
|
&& th->suspended)
|
&& th->suspended)
|
{
|
{
|
if (debug_registers_changed)
|
if (debug_registers_changed)
|
{
|
{
|
th->context.ContextFlags |= CONTEXT_DEBUG_REGISTERS;
|
th->context.ContextFlags |= CONTEXT_DEBUG_REGISTERS;
|
th->context.Dr0 = dr[0];
|
th->context.Dr0 = dr[0];
|
th->context.Dr1 = dr[1];
|
th->context.Dr1 = dr[1];
|
th->context.Dr2 = dr[2];
|
th->context.Dr2 = dr[2];
|
th->context.Dr3 = dr[3];
|
th->context.Dr3 = dr[3];
|
th->context.Dr6 = DR6_CLEAR_VALUE;
|
th->context.Dr6 = DR6_CLEAR_VALUE;
|
th->context.Dr7 = dr[7];
|
th->context.Dr7 = dr[7];
|
}
|
}
|
if (th->context.ContextFlags)
|
if (th->context.ContextFlags)
|
{
|
{
|
CHECK (SetThreadContext (th->h, &th->context));
|
CHECK (SetThreadContext (th->h, &th->context));
|
th->context.ContextFlags = 0;
|
th->context.ContextFlags = 0;
|
}
|
}
|
if (th->suspended > 0)
|
if (th->suspended > 0)
|
(void) ResumeThread (th->h);
|
(void) ResumeThread (th->h);
|
th->suspended = 0;
|
th->suspended = 0;
|
}
|
}
|
|
|
res = ContinueDebugEvent (current_event.dwProcessId,
|
res = ContinueDebugEvent (current_event.dwProcessId,
|
current_event.dwThreadId,
|
current_event.dwThreadId,
|
continue_status);
|
continue_status);
|
|
|
debug_registers_changed = 0;
|
debug_registers_changed = 0;
|
return res;
|
return res;
|
}
|
}
|
|
|
/* Called in pathological case where Windows fails to send a
|
/* Called in pathological case where Windows fails to send a
|
CREATE_PROCESS_DEBUG_EVENT after an attach. */
|
CREATE_PROCESS_DEBUG_EVENT after an attach. */
|
static DWORD
|
static DWORD
|
fake_create_process (void)
|
fake_create_process (void)
|
{
|
{
|
current_process_handle = OpenProcess (PROCESS_ALL_ACCESS, FALSE,
|
current_process_handle = OpenProcess (PROCESS_ALL_ACCESS, FALSE,
|
current_event.dwProcessId);
|
current_event.dwProcessId);
|
if (current_process_handle != NULL)
|
if (current_process_handle != NULL)
|
open_process_used = 1;
|
open_process_used = 1;
|
else
|
else
|
{
|
{
|
error (_("OpenProcess call failed, GetLastError = %lud\n"),
|
error (_("OpenProcess call failed, GetLastError = %lud\n"),
|
GetLastError ());
|
GetLastError ());
|
/* We can not debug anything in that case. */
|
/* We can not debug anything in that case. */
|
}
|
}
|
main_thread_id = current_event.dwThreadId;
|
main_thread_id = current_event.dwThreadId;
|
current_thread = win32_add_thread (main_thread_id,
|
current_thread = win32_add_thread (main_thread_id,
|
current_event.u.CreateThread.hThread);
|
current_event.u.CreateThread.hThread);
|
return main_thread_id;
|
return main_thread_id;
|
}
|
}
|
|
|
static void
|
static void
|
win32_resume (ptid_t ptid, int step, enum target_signal sig)
|
win32_resume (ptid_t ptid, int step, enum target_signal sig)
|
{
|
{
|
thread_info *th;
|
thread_info *th;
|
DWORD continue_status = DBG_CONTINUE;
|
DWORD continue_status = DBG_CONTINUE;
|
|
|
int pid = PIDGET (ptid);
|
int pid = PIDGET (ptid);
|
|
|
if (sig != TARGET_SIGNAL_0)
|
if (sig != TARGET_SIGNAL_0)
|
{
|
{
|
if (current_event.dwDebugEventCode != EXCEPTION_DEBUG_EVENT)
|
if (current_event.dwDebugEventCode != EXCEPTION_DEBUG_EVENT)
|
{
|
{
|
DEBUG_EXCEPT(("Cannot continue with signal %d here.\n",sig));
|
DEBUG_EXCEPT(("Cannot continue with signal %d here.\n",sig));
|
}
|
}
|
else if (sig == last_sig)
|
else if (sig == last_sig)
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
else
|
else
|
#if 0
|
#if 0
|
/* This code does not seem to work, because
|
/* This code does not seem to work, because
|
the kernel does probably not consider changes in the ExceptionRecord
|
the kernel does probably not consider changes in the ExceptionRecord
|
structure when passing the exception to the inferior.
|
structure when passing the exception to the inferior.
|
Note that this seems possible in the exception handler itself. */
|
Note that this seems possible in the exception handler itself. */
|
{
|
{
|
int i;
|
int i;
|
for (i = 0; xlate[i].them != -1; i++)
|
for (i = 0; xlate[i].them != -1; i++)
|
if (xlate[i].us == sig)
|
if (xlate[i].us == sig)
|
{
|
{
|
current_event.u.Exception.ExceptionRecord.ExceptionCode =
|
current_event.u.Exception.ExceptionRecord.ExceptionCode =
|
xlate[i].them;
|
xlate[i].them;
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
break;
|
break;
|
}
|
}
|
if (continue_status == DBG_CONTINUE)
|
if (continue_status == DBG_CONTINUE)
|
{
|
{
|
DEBUG_EXCEPT(("Cannot continue with signal %d.\n",sig));
|
DEBUG_EXCEPT(("Cannot continue with signal %d.\n",sig));
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
DEBUG_EXCEPT(("Can only continue with recieved signal %d.\n",
|
DEBUG_EXCEPT(("Can only continue with recieved signal %d.\n",
|
last_sig));
|
last_sig));
|
}
|
}
|
|
|
last_sig = TARGET_SIGNAL_0;
|
last_sig = TARGET_SIGNAL_0;
|
|
|
DEBUG_EXEC (("gdb: win32_resume (pid=%d, step=%d, sig=%d);\n",
|
DEBUG_EXEC (("gdb: win32_resume (pid=%d, step=%d, sig=%d);\n",
|
pid, step, sig));
|
pid, step, sig));
|
|
|
/* Get context for currently selected thread */
|
/* Get context for currently selected thread */
|
th = thread_rec (PIDGET (inferior_ptid), FALSE);
|
th = thread_rec (PIDGET (inferior_ptid), FALSE);
|
if (th)
|
if (th)
|
{
|
{
|
if (step)
|
if (step)
|
{
|
{
|
/* Single step by setting t bit */
|
/* Single step by setting t bit */
|
win32_fetch_inferior_registers (get_current_regcache (),
|
win32_fetch_inferior_registers (get_current_regcache (),
|
gdbarch_ps_regnum (current_gdbarch));
|
gdbarch_ps_regnum (current_gdbarch));
|
th->context.EFlags |= FLAG_TRACE_BIT;
|
th->context.EFlags |= FLAG_TRACE_BIT;
|
}
|
}
|
|
|
if (th->context.ContextFlags)
|
if (th->context.ContextFlags)
|
{
|
{
|
if (debug_registers_changed)
|
if (debug_registers_changed)
|
{
|
{
|
th->context.Dr0 = dr[0];
|
th->context.Dr0 = dr[0];
|
th->context.Dr1 = dr[1];
|
th->context.Dr1 = dr[1];
|
th->context.Dr2 = dr[2];
|
th->context.Dr2 = dr[2];
|
th->context.Dr3 = dr[3];
|
th->context.Dr3 = dr[3];
|
th->context.Dr6 = DR6_CLEAR_VALUE;
|
th->context.Dr6 = DR6_CLEAR_VALUE;
|
th->context.Dr7 = dr[7];
|
th->context.Dr7 = dr[7];
|
}
|
}
|
CHECK (SetThreadContext (th->h, &th->context));
|
CHECK (SetThreadContext (th->h, &th->context));
|
th->context.ContextFlags = 0;
|
th->context.ContextFlags = 0;
|
}
|
}
|
}
|
}
|
|
|
/* Allow continuing with the same signal that interrupted us.
|
/* Allow continuing with the same signal that interrupted us.
|
Otherwise complain. */
|
Otherwise complain. */
|
|
|
win32_continue (continue_status, pid);
|
win32_continue (continue_status, pid);
|
}
|
}
|
|
|
/* Get the next event from the child. Return 1 if the event requires
|
/* Get the next event from the child. Return 1 if the event requires
|
handling by WFI (or whatever).
|
handling by WFI (or whatever).
|
*/
|
*/
|
static int
|
static int
|
get_win32_debug_event (int pid, struct target_waitstatus *ourstatus)
|
get_win32_debug_event (int pid, struct target_waitstatus *ourstatus)
|
{
|
{
|
BOOL debug_event;
|
BOOL debug_event;
|
DWORD continue_status, event_code;
|
DWORD continue_status, event_code;
|
thread_info *th;
|
thread_info *th;
|
static thread_info dummy_thread_info;
|
static thread_info dummy_thread_info;
|
int retval = 0;
|
int retval = 0;
|
ptid_t ptid = {-1};
|
ptid_t ptid = {-1};
|
|
|
last_sig = TARGET_SIGNAL_0;
|
last_sig = TARGET_SIGNAL_0;
|
|
|
if (!(debug_event = WaitForDebugEvent (¤t_event, 1000)))
|
if (!(debug_event = WaitForDebugEvent (¤t_event, 1000)))
|
goto out;
|
goto out;
|
|
|
event_count++;
|
event_count++;
|
continue_status = DBG_CONTINUE;
|
continue_status = DBG_CONTINUE;
|
|
|
event_code = current_event.dwDebugEventCode;
|
event_code = current_event.dwDebugEventCode;
|
ourstatus->kind = TARGET_WAITKIND_SPURIOUS;
|
ourstatus->kind = TARGET_WAITKIND_SPURIOUS;
|
th = NULL;
|
th = NULL;
|
have_saved_context = 0;
|
have_saved_context = 0;
|
|
|
switch (event_code)
|
switch (event_code)
|
{
|
{
|
case CREATE_THREAD_DEBUG_EVENT:
|
case CREATE_THREAD_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"CREATE_THREAD_DEBUG_EVENT"));
|
"CREATE_THREAD_DEBUG_EVENT"));
|
if (saw_create != 1)
|
if (saw_create != 1)
|
{
|
{
|
if (!saw_create && attach_flag)
|
if (!saw_create && attach_flag)
|
{
|
{
|
/* Kludge around a Windows bug where first event is a create
|
/* Kludge around a Windows bug where first event is a create
|
thread event. Caused when attached process does not have
|
thread event. Caused when attached process does not have
|
a main thread. */
|
a main thread. */
|
retval = ourstatus->value.related_pid = fake_create_process ();
|
retval = ourstatus->value.related_pid = fake_create_process ();
|
if (retval)
|
if (retval)
|
saw_create++;
|
saw_create++;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
/* Record the existence of this thread */
|
/* Record the existence of this thread */
|
th = win32_add_thread (current_event.dwThreadId,
|
th = win32_add_thread (current_event.dwThreadId,
|
current_event.u.CreateThread.hThread);
|
current_event.u.CreateThread.hThread);
|
retval = current_event.dwThreadId;
|
retval = current_event.dwThreadId;
|
break;
|
break;
|
|
|
case EXIT_THREAD_DEBUG_EVENT:
|
case EXIT_THREAD_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"EXIT_THREAD_DEBUG_EVENT"));
|
"EXIT_THREAD_DEBUG_EVENT"));
|
if (current_event.dwThreadId != main_thread_id)
|
if (current_event.dwThreadId != main_thread_id)
|
{
|
{
|
win32_delete_thread (current_event.dwThreadId);
|
win32_delete_thread (current_event.dwThreadId);
|
th = &dummy_thread_info;
|
th = &dummy_thread_info;
|
}
|
}
|
break;
|
break;
|
|
|
case CREATE_PROCESS_DEBUG_EVENT:
|
case CREATE_PROCESS_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"CREATE_PROCESS_DEBUG_EVENT"));
|
"CREATE_PROCESS_DEBUG_EVENT"));
|
CloseHandle (current_event.u.CreateProcessInfo.hFile);
|
CloseHandle (current_event.u.CreateProcessInfo.hFile);
|
if (++saw_create != 1)
|
if (++saw_create != 1)
|
break;
|
break;
|
|
|
current_process_handle = current_event.u.CreateProcessInfo.hProcess;
|
current_process_handle = current_event.u.CreateProcessInfo.hProcess;
|
if (main_thread_id)
|
if (main_thread_id)
|
win32_delete_thread (main_thread_id);
|
win32_delete_thread (main_thread_id);
|
main_thread_id = current_event.dwThreadId;
|
main_thread_id = current_event.dwThreadId;
|
/* Add the main thread */
|
/* Add the main thread */
|
th = win32_add_thread (main_thread_id,
|
th = win32_add_thread (main_thread_id,
|
current_event.u.CreateProcessInfo.hThread);
|
current_event.u.CreateProcessInfo.hThread);
|
retval = ourstatus->value.related_pid = current_event.dwThreadId;
|
retval = ourstatus->value.related_pid = current_event.dwThreadId;
|
break;
|
break;
|
|
|
case EXIT_PROCESS_DEBUG_EVENT:
|
case EXIT_PROCESS_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"EXIT_PROCESS_DEBUG_EVENT"));
|
"EXIT_PROCESS_DEBUG_EVENT"));
|
if (saw_create != 1)
|
if (saw_create != 1)
|
break;
|
break;
|
ourstatus->kind = TARGET_WAITKIND_EXITED;
|
ourstatus->kind = TARGET_WAITKIND_EXITED;
|
ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
|
ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
|
retval = main_thread_id;
|
retval = main_thread_id;
|
break;
|
break;
|
|
|
case LOAD_DLL_DEBUG_EVENT:
|
case LOAD_DLL_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"LOAD_DLL_DEBUG_EVENT"));
|
"LOAD_DLL_DEBUG_EVENT"));
|
CloseHandle (current_event.u.LoadDll.hFile);
|
CloseHandle (current_event.u.LoadDll.hFile);
|
if (saw_create != 1)
|
if (saw_create != 1)
|
break;
|
break;
|
catch_errors (handle_load_dll, NULL, (char *) "", RETURN_MASK_ALL);
|
catch_errors (handle_load_dll, NULL, (char *) "", RETURN_MASK_ALL);
|
ourstatus->kind = TARGET_WAITKIND_LOADED;
|
ourstatus->kind = TARGET_WAITKIND_LOADED;
|
ourstatus->value.integer = 0;
|
ourstatus->value.integer = 0;
|
retval = main_thread_id;
|
retval = main_thread_id;
|
break;
|
break;
|
|
|
case UNLOAD_DLL_DEBUG_EVENT:
|
case UNLOAD_DLL_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"UNLOAD_DLL_DEBUG_EVENT"));
|
"UNLOAD_DLL_DEBUG_EVENT"));
|
if (saw_create != 1)
|
if (saw_create != 1)
|
break;
|
break;
|
catch_errors (handle_unload_dll, NULL, (char *) "", RETURN_MASK_ALL);
|
catch_errors (handle_unload_dll, NULL, (char *) "", RETURN_MASK_ALL);
|
ourstatus->kind = TARGET_WAITKIND_LOADED;
|
ourstatus->kind = TARGET_WAITKIND_LOADED;
|
ourstatus->value.integer = 0;
|
ourstatus->value.integer = 0;
|
retval = main_thread_id;
|
retval = main_thread_id;
|
break;
|
break;
|
|
|
case EXCEPTION_DEBUG_EVENT:
|
case EXCEPTION_DEBUG_EVENT:
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"EXCEPTION_DEBUG_EVENT"));
|
"EXCEPTION_DEBUG_EVENT"));
|
if (saw_create != 1)
|
if (saw_create != 1)
|
break;
|
break;
|
switch (handle_exception (ourstatus))
|
switch (handle_exception (ourstatus))
|
{
|
{
|
case 0:
|
case 0:
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
break;
|
break;
|
case 1:
|
case 1:
|
retval = current_event.dwThreadId;
|
retval = current_event.dwThreadId;
|
break;
|
break;
|
case -1:
|
case -1:
|
last_sig = 1;
|
last_sig = 1;
|
continue_status = -1;
|
continue_status = -1;
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
|
|
case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
|
case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwProcessId,
|
(unsigned) current_event.dwThreadId,
|
(unsigned) current_event.dwThreadId,
|
"OUTPUT_DEBUG_STRING_EVENT"));
|
"OUTPUT_DEBUG_STRING_EVENT"));
|
if (saw_create != 1)
|
if (saw_create != 1)
|
break;
|
break;
|
retval = handle_output_debug_string (ourstatus);
|
retval = handle_output_debug_string (ourstatus);
|
break;
|
break;
|
|
|
default:
|
default:
|
if (saw_create != 1)
|
if (saw_create != 1)
|
break;
|
break;
|
printf_unfiltered ("gdb: kernel event for pid=%ld tid=%ld\n",
|
printf_unfiltered ("gdb: kernel event for pid=%ld tid=%ld\n",
|
(DWORD) current_event.dwProcessId,
|
(DWORD) current_event.dwProcessId,
|
(DWORD) current_event.dwThreadId);
|
(DWORD) current_event.dwThreadId);
|
printf_unfiltered (" unknown event code %ld\n",
|
printf_unfiltered (" unknown event code %ld\n",
|
current_event.dwDebugEventCode);
|
current_event.dwDebugEventCode);
|
break;
|
break;
|
}
|
}
|
|
|
if (!retval || saw_create != 1)
|
if (!retval || saw_create != 1)
|
{
|
{
|
if (continue_status == -1)
|
if (continue_status == -1)
|
win32_resume (ptid, 0, 1);
|
win32_resume (ptid, 0, 1);
|
else
|
else
|
CHECK (win32_continue (continue_status, -1));
|
CHECK (win32_continue (continue_status, -1));
|
}
|
}
|
else
|
else
|
{
|
{
|
inferior_ptid = pid_to_ptid (retval);
|
inferior_ptid = pid_to_ptid (retval);
|
current_thread = th ?: thread_rec (current_event.dwThreadId, TRUE);
|
current_thread = th ?: thread_rec (current_event.dwThreadId, TRUE);
|
}
|
}
|
|
|
out:
|
out:
|
return retval;
|
return retval;
|
}
|
}
|
|
|
/* Wait for interesting events to occur in the target process. */
|
/* Wait for interesting events to occur in the target process. */
|
static ptid_t
|
static ptid_t
|
win32_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
|
win32_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
|
{
|
{
|
int pid = PIDGET (ptid);
|
int pid = PIDGET (ptid);
|
|
|
target_terminal_ours ();
|
target_terminal_ours ();
|
|
|
/* We loop when we get a non-standard exception rather than return
|
/* We loop when we get a non-standard exception rather than return
|
with a SPURIOUS because resume can try and step or modify things,
|
with a SPURIOUS because resume can try and step or modify things,
|
which needs a current_thread->h. But some of these exceptions mark
|
which needs a current_thread->h. But some of these exceptions mark
|
the birth or death of threads, which mean that the current thread
|
the birth or death of threads, which mean that the current thread
|
isn't necessarily what you think it is. */
|
isn't necessarily what you think it is. */
|
|
|
while (1)
|
while (1)
|
{
|
{
|
int retval = get_win32_debug_event (pid, ourstatus);
|
int retval = get_win32_debug_event (pid, ourstatus);
|
if (retval)
|
if (retval)
|
return pid_to_ptid (retval);
|
return pid_to_ptid (retval);
|
else
|
else
|
{
|
{
|
int detach = 0;
|
int detach = 0;
|
|
|
if (deprecated_ui_loop_hook != NULL)
|
if (deprecated_ui_loop_hook != NULL)
|
detach = deprecated_ui_loop_hook (0);
|
detach = deprecated_ui_loop_hook (0);
|
|
|
if (detach)
|
if (detach)
|
win32_kill_inferior ();
|
win32_kill_inferior ();
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
do_initial_win32_stuff (DWORD pid)
|
do_initial_win32_stuff (DWORD pid)
|
{
|
{
|
extern int stop_after_trap;
|
extern int stop_after_trap;
|
int i;
|
int i;
|
|
|
last_sig = TARGET_SIGNAL_0;
|
last_sig = TARGET_SIGNAL_0;
|
event_count = 0;
|
event_count = 0;
|
exception_count = 0;
|
exception_count = 0;
|
open_process_used = 0;
|
open_process_used = 0;
|
debug_registers_changed = 0;
|
debug_registers_changed = 0;
|
debug_registers_used = 0;
|
debug_registers_used = 0;
|
for (i = 0; i < sizeof (dr) / sizeof (dr[0]); i++)
|
for (i = 0; i < sizeof (dr) / sizeof (dr[0]); i++)
|
dr[i] = 0;
|
dr[i] = 0;
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
cygwin_load_start = cygwin_load_end = 0;
|
cygwin_load_start = cygwin_load_end = 0;
|
#endif
|
#endif
|
current_event.dwProcessId = pid;
|
current_event.dwProcessId = pid;
|
memset (¤t_event, 0, sizeof (current_event));
|
memset (¤t_event, 0, sizeof (current_event));
|
push_target (&win32_ops);
|
push_target (&win32_ops);
|
disable_breakpoints_in_shlibs ();
|
disable_breakpoints_in_shlibs ();
|
win32_clear_solib ();
|
win32_clear_solib ();
|
clear_proceed_status ();
|
clear_proceed_status ();
|
init_wait_for_inferior ();
|
init_wait_for_inferior ();
|
|
|
terminal_init_inferior_with_pgrp (pid);
|
terminal_init_inferior_with_pgrp (pid);
|
target_terminal_inferior ();
|
target_terminal_inferior ();
|
|
|
while (1)
|
while (1)
|
{
|
{
|
stop_after_trap = 1;
|
stop_after_trap = 1;
|
wait_for_inferior (0);
|
wait_for_inferior (0);
|
if (stop_signal != TARGET_SIGNAL_TRAP)
|
if (stop_signal != TARGET_SIGNAL_TRAP)
|
resume (0, stop_signal);
|
resume (0, stop_signal);
|
else
|
else
|
break;
|
break;
|
}
|
}
|
stop_after_trap = 0;
|
stop_after_trap = 0;
|
return;
|
return;
|
}
|
}
|
|
|
/* Since Windows XP, detaching from a process is supported by Windows.
|
/* Since Windows XP, detaching from a process is supported by Windows.
|
The following code tries loading the appropriate functions dynamically.
|
The following code tries loading the appropriate functions dynamically.
|
If loading these functions succeeds use them to actually detach from
|
If loading these functions succeeds use them to actually detach from
|
the inferior process, otherwise behave as usual, pretending that
|
the inferior process, otherwise behave as usual, pretending that
|
detach has worked. */
|
detach has worked. */
|
static BOOL WINAPI (*DebugSetProcessKillOnExit)(BOOL);
|
static BOOL WINAPI (*DebugSetProcessKillOnExit)(BOOL);
|
static BOOL WINAPI (*DebugActiveProcessStop)(DWORD);
|
static BOOL WINAPI (*DebugActiveProcessStop)(DWORD);
|
|
|
static int
|
static int
|
has_detach_ability (void)
|
has_detach_ability (void)
|
{
|
{
|
static HMODULE kernel32 = NULL;
|
static HMODULE kernel32 = NULL;
|
|
|
if (!kernel32)
|
if (!kernel32)
|
kernel32 = LoadLibrary ("kernel32.dll");
|
kernel32 = LoadLibrary ("kernel32.dll");
|
if (kernel32)
|
if (kernel32)
|
{
|
{
|
if (!DebugSetProcessKillOnExit)
|
if (!DebugSetProcessKillOnExit)
|
DebugSetProcessKillOnExit = GetProcAddress (kernel32,
|
DebugSetProcessKillOnExit = GetProcAddress (kernel32,
|
"DebugSetProcessKillOnExit");
|
"DebugSetProcessKillOnExit");
|
if (!DebugActiveProcessStop)
|
if (!DebugActiveProcessStop)
|
DebugActiveProcessStop = GetProcAddress (kernel32,
|
DebugActiveProcessStop = GetProcAddress (kernel32,
|
"DebugActiveProcessStop");
|
"DebugActiveProcessStop");
|
if (DebugSetProcessKillOnExit && DebugActiveProcessStop)
|
if (DebugSetProcessKillOnExit && DebugActiveProcessStop)
|
return 1;
|
return 1;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Try to set or remove a user privilege to the current process. Return -1
|
/* Try to set or remove a user privilege to the current process. Return -1
|
if that fails, the previous setting of that privilege otherwise.
|
if that fails, the previous setting of that privilege otherwise.
|
|
|
This code is copied from the Cygwin source code and rearranged to allow
|
This code is copied from the Cygwin source code and rearranged to allow
|
dynamically loading of the needed symbols from advapi32 which is only
|
dynamically loading of the needed symbols from advapi32 which is only
|
available on NT/2K/XP. */
|
available on NT/2K/XP. */
|
static int
|
static int
|
set_process_privilege (const char *privilege, BOOL enable)
|
set_process_privilege (const char *privilege, BOOL enable)
|
{
|
{
|
static HMODULE advapi32 = NULL;
|
static HMODULE advapi32 = NULL;
|
static BOOL WINAPI (*OpenProcessToken)(HANDLE, DWORD, PHANDLE);
|
static BOOL WINAPI (*OpenProcessToken)(HANDLE, DWORD, PHANDLE);
|
static BOOL WINAPI (*LookupPrivilegeValue)(LPCSTR, LPCSTR, PLUID);
|
static BOOL WINAPI (*LookupPrivilegeValue)(LPCSTR, LPCSTR, PLUID);
|
static BOOL WINAPI (*AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES,
|
static BOOL WINAPI (*AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES,
|
DWORD, PTOKEN_PRIVILEGES, PDWORD);
|
DWORD, PTOKEN_PRIVILEGES, PDWORD);
|
|
|
HANDLE token_hdl = NULL;
|
HANDLE token_hdl = NULL;
|
LUID restore_priv;
|
LUID restore_priv;
|
TOKEN_PRIVILEGES new_priv, orig_priv;
|
TOKEN_PRIVILEGES new_priv, orig_priv;
|
int ret = -1;
|
int ret = -1;
|
DWORD size;
|
DWORD size;
|
|
|
if (GetVersion () >= 0x80000000) /* No security availbale on 9x/Me */
|
if (GetVersion () >= 0x80000000) /* No security availbale on 9x/Me */
|
return 0;
|
return 0;
|
|
|
if (!advapi32)
|
if (!advapi32)
|
{
|
{
|
if (!(advapi32 = LoadLibrary ("advapi32.dll")))
|
if (!(advapi32 = LoadLibrary ("advapi32.dll")))
|
goto out;
|
goto out;
|
if (!OpenProcessToken)
|
if (!OpenProcessToken)
|
OpenProcessToken = GetProcAddress (advapi32, "OpenProcessToken");
|
OpenProcessToken = GetProcAddress (advapi32, "OpenProcessToken");
|
if (!LookupPrivilegeValue)
|
if (!LookupPrivilegeValue)
|
LookupPrivilegeValue = GetProcAddress (advapi32,
|
LookupPrivilegeValue = GetProcAddress (advapi32,
|
"LookupPrivilegeValueA");
|
"LookupPrivilegeValueA");
|
if (!AdjustTokenPrivileges)
|
if (!AdjustTokenPrivileges)
|
AdjustTokenPrivileges = GetProcAddress (advapi32,
|
AdjustTokenPrivileges = GetProcAddress (advapi32,
|
"AdjustTokenPrivileges");
|
"AdjustTokenPrivileges");
|
if (!OpenProcessToken || !LookupPrivilegeValue || !AdjustTokenPrivileges)
|
if (!OpenProcessToken || !LookupPrivilegeValue || !AdjustTokenPrivileges)
|
{
|
{
|
advapi32 = NULL;
|
advapi32 = NULL;
|
goto out;
|
goto out;
|
}
|
}
|
}
|
}
|
|
|
if (!OpenProcessToken (GetCurrentProcess (),
|
if (!OpenProcessToken (GetCurrentProcess (),
|
TOKEN_QUERY | TOKEN_ADJUST_PRIVILEGES,
|
TOKEN_QUERY | TOKEN_ADJUST_PRIVILEGES,
|
&token_hdl))
|
&token_hdl))
|
goto out;
|
goto out;
|
|
|
if (!LookupPrivilegeValue (NULL, privilege, &restore_priv))
|
if (!LookupPrivilegeValue (NULL, privilege, &restore_priv))
|
goto out;
|
goto out;
|
|
|
new_priv.PrivilegeCount = 1;
|
new_priv.PrivilegeCount = 1;
|
new_priv.Privileges[0].Luid = restore_priv;
|
new_priv.Privileges[0].Luid = restore_priv;
|
new_priv.Privileges[0].Attributes = enable ? SE_PRIVILEGE_ENABLED : 0;
|
new_priv.Privileges[0].Attributes = enable ? SE_PRIVILEGE_ENABLED : 0;
|
|
|
if (!AdjustTokenPrivileges (token_hdl, FALSE, &new_priv,
|
if (!AdjustTokenPrivileges (token_hdl, FALSE, &new_priv,
|
sizeof orig_priv, &orig_priv, &size))
|
sizeof orig_priv, &orig_priv, &size))
|
goto out;
|
goto out;
|
#if 0
|
#if 0
|
/* Disabled, otherwise every `attach' in an unprivileged user session
|
/* Disabled, otherwise every `attach' in an unprivileged user session
|
would raise the "Failed to get SE_DEBUG_NAME privilege" warning in
|
would raise the "Failed to get SE_DEBUG_NAME privilege" warning in
|
win32_attach(). */
|
win32_attach(). */
|
/* AdjustTokenPrivileges returns TRUE even if the privilege could not
|
/* AdjustTokenPrivileges returns TRUE even if the privilege could not
|
be enabled. GetLastError () returns an correct error code, though. */
|
be enabled. GetLastError () returns an correct error code, though. */
|
if (enable && GetLastError () == ERROR_NOT_ALL_ASSIGNED)
|
if (enable && GetLastError () == ERROR_NOT_ALL_ASSIGNED)
|
goto out;
|
goto out;
|
#endif
|
#endif
|
|
|
ret = orig_priv.Privileges[0].Attributes == SE_PRIVILEGE_ENABLED ? 1 : 0;
|
ret = orig_priv.Privileges[0].Attributes == SE_PRIVILEGE_ENABLED ? 1 : 0;
|
|
|
out:
|
out:
|
if (token_hdl)
|
if (token_hdl)
|
CloseHandle (token_hdl);
|
CloseHandle (token_hdl);
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Attach to process PID, then initialize for debugging it. */
|
/* Attach to process PID, then initialize for debugging it. */
|
static void
|
static void
|
win32_attach (char *args, int from_tty)
|
win32_attach (char *args, int from_tty)
|
{
|
{
|
BOOL ok;
|
BOOL ok;
|
DWORD pid;
|
DWORD pid;
|
|
|
if (!args)
|
if (!args)
|
error_no_arg (_("process-id to attach"));
|
error_no_arg (_("process-id to attach"));
|
|
|
if (set_process_privilege (SE_DEBUG_NAME, TRUE) < 0)
|
if (set_process_privilege (SE_DEBUG_NAME, TRUE) < 0)
|
{
|
{
|
printf_unfiltered ("Warning: Failed to get SE_DEBUG_NAME privilege\n");
|
printf_unfiltered ("Warning: Failed to get SE_DEBUG_NAME privilege\n");
|
printf_unfiltered ("This can cause attach to fail on Windows NT/2K/XP\n");
|
printf_unfiltered ("This can cause attach to fail on Windows NT/2K/XP\n");
|
}
|
}
|
|
|
pid = strtoul (args, 0, 0); /* Windows pid */
|
pid = strtoul (args, 0, 0); /* Windows pid */
|
|
|
win32_init_thread_list ();
|
win32_init_thread_list ();
|
ok = DebugActiveProcess (pid);
|
ok = DebugActiveProcess (pid);
|
saw_create = 0;
|
saw_create = 0;
|
|
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
if (!ok)
|
if (!ok)
|
{
|
{
|
/* Try fall back to Cygwin pid */
|
/* Try fall back to Cygwin pid */
|
pid = cygwin_internal (CW_CYGWIN_PID_TO_WINPID, pid);
|
pid = cygwin_internal (CW_CYGWIN_PID_TO_WINPID, pid);
|
|
|
if (pid > 0)
|
if (pid > 0)
|
ok = DebugActiveProcess (pid);
|
ok = DebugActiveProcess (pid);
|
}
|
}
|
#endif
|
#endif
|
|
|
if (!ok)
|
if (!ok)
|
error (_("Can't attach to process."));
|
error (_("Can't attach to process."));
|
|
|
if (has_detach_ability ())
|
if (has_detach_ability ())
|
DebugSetProcessKillOnExit (FALSE);
|
DebugSetProcessKillOnExit (FALSE);
|
|
|
attach_flag = 1;
|
attach_flag = 1;
|
|
|
if (from_tty)
|
if (from_tty)
|
{
|
{
|
char *exec_file = (char *) get_exec_file (0);
|
char *exec_file = (char *) get_exec_file (0);
|
|
|
if (exec_file)
|
if (exec_file)
|
printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
|
printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
|
target_pid_to_str (pid_to_ptid (pid)));
|
target_pid_to_str (pid_to_ptid (pid)));
|
else
|
else
|
printf_unfiltered ("Attaching to %s\n",
|
printf_unfiltered ("Attaching to %s\n",
|
target_pid_to_str (pid_to_ptid (pid)));
|
target_pid_to_str (pid_to_ptid (pid)));
|
|
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
}
|
}
|
|
|
do_initial_win32_stuff (pid);
|
do_initial_win32_stuff (pid);
|
target_terminal_ours ();
|
target_terminal_ours ();
|
}
|
}
|
|
|
static void
|
static void
|
win32_detach (char *args, int from_tty)
|
win32_detach (char *args, int from_tty)
|
{
|
{
|
int detached = 1;
|
int detached = 1;
|
|
|
if (has_detach_ability ())
|
if (has_detach_ability ())
|
{
|
{
|
ptid_t ptid = {-1};
|
ptid_t ptid = {-1};
|
win32_resume (ptid, 0, TARGET_SIGNAL_0);
|
win32_resume (ptid, 0, TARGET_SIGNAL_0);
|
|
|
if (!DebugActiveProcessStop (current_event.dwProcessId))
|
if (!DebugActiveProcessStop (current_event.dwProcessId))
|
{
|
{
|
error (_("Can't detach process %lu (error %lu)"),
|
error (_("Can't detach process %lu (error %lu)"),
|
current_event.dwProcessId, GetLastError ());
|
current_event.dwProcessId, GetLastError ());
|
detached = 0;
|
detached = 0;
|
}
|
}
|
DebugSetProcessKillOnExit (FALSE);
|
DebugSetProcessKillOnExit (FALSE);
|
}
|
}
|
if (detached && from_tty)
|
if (detached && from_tty)
|
{
|
{
|
char *exec_file = get_exec_file (0);
|
char *exec_file = get_exec_file (0);
|
if (exec_file == 0)
|
if (exec_file == 0)
|
exec_file = "";
|
exec_file = "";
|
printf_unfiltered ("Detaching from program: %s, Pid %lu\n", exec_file,
|
printf_unfiltered ("Detaching from program: %s, Pid %lu\n", exec_file,
|
current_event.dwProcessId);
|
current_event.dwProcessId);
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
}
|
}
|
inferior_ptid = null_ptid;
|
inferior_ptid = null_ptid;
|
unpush_target (&win32_ops);
|
unpush_target (&win32_ops);
|
}
|
}
|
|
|
static char *
|
static char *
|
win32_pid_to_exec_file (int pid)
|
win32_pid_to_exec_file (int pid)
|
{
|
{
|
static char path[MAX_PATH + 1];
|
static char path[MAX_PATH + 1];
|
|
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
/* Try to find exe name as symlink target of /proc/<pid>/exe */
|
/* Try to find exe name as symlink target of /proc/<pid>/exe */
|
int nchars;
|
int nchars;
|
char procexe[sizeof ("/proc/4294967295/exe")];
|
char procexe[sizeof ("/proc/4294967295/exe")];
|
sprintf (procexe, "/proc/%lu/exe", current_event.dwProcessId);
|
sprintf (procexe, "/proc/%lu/exe", current_event.dwProcessId);
|
nchars = readlink (procexe, path, sizeof(path));
|
nchars = readlink (procexe, path, sizeof(path));
|
if (nchars > 0 && nchars < sizeof (path))
|
if (nchars > 0 && nchars < sizeof (path))
|
{
|
{
|
path[nchars] = '\0'; /* Got it */
|
path[nchars] = '\0'; /* Got it */
|
return path;
|
return path;
|
}
|
}
|
#endif
|
#endif
|
|
|
/* If we get here then either Cygwin is hosed, this isn't a Cygwin version
|
/* If we get here then either Cygwin is hosed, this isn't a Cygwin version
|
of gdb, or we're trying to debug a non-Cygwin windows executable. */
|
of gdb, or we're trying to debug a non-Cygwin windows executable. */
|
if (!get_module_name (0, path))
|
if (!get_module_name (0, path))
|
path[0] = '\0';
|
path[0] = '\0';
|
|
|
return path;
|
return path;
|
}
|
}
|
|
|
/* Print status information about what we're accessing. */
|
/* Print status information about what we're accessing. */
|
|
|
static void
|
static void
|
win32_files_info (struct target_ops *ignore)
|
win32_files_info (struct target_ops *ignore)
|
{
|
{
|
printf_unfiltered ("\tUsing the running image of %s %s.\n",
|
printf_unfiltered ("\tUsing the running image of %s %s.\n",
|
attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
|
attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
|
}
|
}
|
|
|
static void
|
static void
|
win32_open (char *arg, int from_tty)
|
win32_open (char *arg, int from_tty)
|
{
|
{
|
error (_("Use the \"run\" command to start a Unix child process."));
|
error (_("Use the \"run\" command to start a Unix child process."));
|
}
|
}
|
|
|
/* Start an inferior win32 child process and sets inferior_ptid to its pid.
|
/* Start an inferior win32 child process and sets inferior_ptid to its pid.
|
EXEC_FILE is the file to run.
|
EXEC_FILE is the file to run.
|
ALLARGS is a string containing the arguments to the program.
|
ALLARGS is a string containing the arguments to the program.
|
ENV is the environment vector to pass. Errors reported with error(). */
|
ENV is the environment vector to pass. Errors reported with error(). */
|
|
|
static void
|
static void
|
win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
int from_tty)
|
int from_tty)
|
{
|
{
|
STARTUPINFO si;
|
STARTUPINFO si;
|
PROCESS_INFORMATION pi;
|
PROCESS_INFORMATION pi;
|
BOOL ret;
|
BOOL ret;
|
DWORD flags;
|
DWORD flags;
|
char *args;
|
char *args;
|
char real_path[MAXPATHLEN];
|
char real_path[MAXPATHLEN];
|
char *toexec;
|
char *toexec;
|
char shell[MAX_PATH + 1]; /* Path to shell */
|
char shell[MAX_PATH + 1]; /* Path to shell */
|
const char *sh;
|
const char *sh;
|
int tty;
|
int tty;
|
int ostdin, ostdout, ostderr;
|
int ostdin, ostdout, ostderr;
|
const char *inferior_io_terminal = get_inferior_io_terminal ();
|
const char *inferior_io_terminal = get_inferior_io_terminal ();
|
|
|
if (!exec_file)
|
if (!exec_file)
|
error (_("No executable specified, use `target exec'."));
|
error (_("No executable specified, use `target exec'."));
|
|
|
memset (&si, 0, sizeof (si));
|
memset (&si, 0, sizeof (si));
|
si.cb = sizeof (si);
|
si.cb = sizeof (si);
|
|
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
if (!useshell)
|
if (!useshell)
|
{
|
{
|
flags = DEBUG_ONLY_THIS_PROCESS;
|
flags = DEBUG_ONLY_THIS_PROCESS;
|
cygwin_conv_to_win32_path (exec_file, real_path);
|
cygwin_conv_to_win32_path (exec_file, real_path);
|
toexec = real_path;
|
toexec = real_path;
|
}
|
}
|
else
|
else
|
{
|
{
|
char *newallargs;
|
char *newallargs;
|
sh = getenv ("SHELL");
|
sh = getenv ("SHELL");
|
if (!sh)
|
if (!sh)
|
sh = "/bin/sh";
|
sh = "/bin/sh";
|
cygwin_conv_to_win32_path (sh, shell);
|
cygwin_conv_to_win32_path (sh, shell);
|
newallargs = alloca (sizeof (" -c 'exec '") + strlen (exec_file)
|
newallargs = alloca (sizeof (" -c 'exec '") + strlen (exec_file)
|
+ strlen (allargs) + 2);
|
+ strlen (allargs) + 2);
|
sprintf (newallargs, " -c 'exec %s %s'", exec_file, allargs);
|
sprintf (newallargs, " -c 'exec %s %s'", exec_file, allargs);
|
allargs = newallargs;
|
allargs = newallargs;
|
toexec = shell;
|
toexec = shell;
|
flags = DEBUG_PROCESS;
|
flags = DEBUG_PROCESS;
|
}
|
}
|
#else
|
#else
|
toexec = exec_file;
|
toexec = exec_file;
|
flags = DEBUG_ONLY_THIS_PROCESS;
|
flags = DEBUG_ONLY_THIS_PROCESS;
|
#endif
|
#endif
|
|
|
if (new_group)
|
if (new_group)
|
flags |= CREATE_NEW_PROCESS_GROUP;
|
flags |= CREATE_NEW_PROCESS_GROUP;
|
|
|
if (new_console)
|
if (new_console)
|
flags |= CREATE_NEW_CONSOLE;
|
flags |= CREATE_NEW_CONSOLE;
|
|
|
attach_flag = 0;
|
attach_flag = 0;
|
|
|
args = alloca (strlen (toexec) + strlen (allargs) + 2);
|
args = alloca (strlen (toexec) + strlen (allargs) + 2);
|
strcpy (args, toexec);
|
strcpy (args, toexec);
|
strcat (args, " ");
|
strcat (args, " ");
|
strcat (args, allargs);
|
strcat (args, allargs);
|
|
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
/* Prepare the environment vars for CreateProcess. */
|
/* Prepare the environment vars for CreateProcess. */
|
cygwin_internal (CW_SYNC_WINENV);
|
cygwin_internal (CW_SYNC_WINENV);
|
|
|
if (!inferior_io_terminal)
|
if (!inferior_io_terminal)
|
tty = ostdin = ostdout = ostderr = -1;
|
tty = ostdin = ostdout = ostderr = -1;
|
else
|
else
|
{
|
{
|
tty = open (inferior_io_terminal, O_RDWR | O_NOCTTY);
|
tty = open (inferior_io_terminal, O_RDWR | O_NOCTTY);
|
if (tty < 0)
|
if (tty < 0)
|
{
|
{
|
print_sys_errmsg (inferior_io_terminal, errno);
|
print_sys_errmsg (inferior_io_terminal, errno);
|
ostdin = ostdout = ostderr = -1;
|
ostdin = ostdout = ostderr = -1;
|
}
|
}
|
else
|
else
|
{
|
{
|
ostdin = dup (0);
|
ostdin = dup (0);
|
ostdout = dup (1);
|
ostdout = dup (1);
|
ostderr = dup (2);
|
ostderr = dup (2);
|
dup2 (tty, 0);
|
dup2 (tty, 0);
|
dup2 (tty, 1);
|
dup2 (tty, 1);
|
dup2 (tty, 2);
|
dup2 (tty, 2);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
win32_init_thread_list ();
|
win32_init_thread_list ();
|
ret = CreateProcess (0,
|
ret = CreateProcess (0,
|
args, /* command line */
|
args, /* command line */
|
NULL, /* Security */
|
NULL, /* Security */
|
NULL, /* thread */
|
NULL, /* thread */
|
TRUE, /* inherit handles */
|
TRUE, /* inherit handles */
|
flags, /* start flags */
|
flags, /* start flags */
|
NULL, /* environment */
|
NULL, /* environment */
|
NULL, /* current directory */
|
NULL, /* current directory */
|
&si,
|
&si,
|
&pi);
|
&pi);
|
|
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
if (tty >= 0)
|
if (tty >= 0)
|
{
|
{
|
close (tty);
|
close (tty);
|
dup2 (ostdin, 0);
|
dup2 (ostdin, 0);
|
dup2 (ostdout, 1);
|
dup2 (ostdout, 1);
|
dup2 (ostderr, 2);
|
dup2 (ostderr, 2);
|
close (ostdin);
|
close (ostdin);
|
close (ostdout);
|
close (ostdout);
|
close (ostderr);
|
close (ostderr);
|
}
|
}
|
#endif
|
#endif
|
|
|
if (!ret)
|
if (!ret)
|
error (_("Error creating process %s, (error %d)."),
|
error (_("Error creating process %s, (error %d)."),
|
exec_file, (unsigned) GetLastError ());
|
exec_file, (unsigned) GetLastError ());
|
|
|
CloseHandle (pi.hThread);
|
CloseHandle (pi.hThread);
|
CloseHandle (pi.hProcess);
|
CloseHandle (pi.hProcess);
|
|
|
if (useshell && shell[0] != '\0')
|
if (useshell && shell[0] != '\0')
|
saw_create = -1;
|
saw_create = -1;
|
else
|
else
|
saw_create = 0;
|
saw_create = 0;
|
|
|
do_initial_win32_stuff (pi.dwProcessId);
|
do_initial_win32_stuff (pi.dwProcessId);
|
|
|
/* win32_continue (DBG_CONTINUE, -1); */
|
/* win32_continue (DBG_CONTINUE, -1); */
|
}
|
}
|
|
|
static void
|
static void
|
win32_mourn_inferior (void)
|
win32_mourn_inferior (void)
|
{
|
{
|
(void) win32_continue (DBG_CONTINUE, -1);
|
(void) win32_continue (DBG_CONTINUE, -1);
|
i386_cleanup_dregs();
|
i386_cleanup_dregs();
|
if (open_process_used)
|
if (open_process_used)
|
{
|
{
|
CHECK (CloseHandle (current_process_handle));
|
CHECK (CloseHandle (current_process_handle));
|
open_process_used = 0;
|
open_process_used = 0;
|
}
|
}
|
unpush_target (&win32_ops);
|
unpush_target (&win32_ops);
|
generic_mourn_inferior ();
|
generic_mourn_inferior ();
|
}
|
}
|
|
|
/* Send a SIGINT to the process group. This acts just like the user typed a
|
/* Send a SIGINT to the process group. This acts just like the user typed a
|
^C on the controlling terminal. */
|
^C on the controlling terminal. */
|
|
|
static void
|
static void
|
win32_stop (void)
|
win32_stop (void)
|
{
|
{
|
DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
|
DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
|
CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, current_event.dwProcessId));
|
CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, current_event.dwProcessId));
|
registers_changed (); /* refresh register state */
|
registers_changed (); /* refresh register state */
|
}
|
}
|
|
|
static int
|
static int
|
win32_xfer_memory (CORE_ADDR memaddr, gdb_byte *our, int len,
|
win32_xfer_memory (CORE_ADDR memaddr, gdb_byte *our, int len,
|
int write, struct mem_attrib *mem,
|
int write, struct mem_attrib *mem,
|
struct target_ops *target)
|
struct target_ops *target)
|
{
|
{
|
DWORD done = 0;
|
DWORD done = 0;
|
if (write)
|
if (write)
|
{
|
{
|
DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08lx\n",
|
DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08lx\n",
|
len, (DWORD) (uintptr_t) memaddr));
|
len, (DWORD) (uintptr_t) memaddr));
|
if (!WriteProcessMemory (current_process_handle,
|
if (!WriteProcessMemory (current_process_handle,
|
(LPVOID) (uintptr_t) memaddr, our,
|
(LPVOID) (uintptr_t) memaddr, our,
|
len, &done))
|
len, &done))
|
done = 0;
|
done = 0;
|
FlushInstructionCache (current_process_handle,
|
FlushInstructionCache (current_process_handle,
|
(LPCVOID) (uintptr_t) memaddr, len);
|
(LPCVOID) (uintptr_t) memaddr, len);
|
}
|
}
|
else
|
else
|
{
|
{
|
DEBUG_MEM (("gdb: read target memory, %d bytes at 0x%08lx\n",
|
DEBUG_MEM (("gdb: read target memory, %d bytes at 0x%08lx\n",
|
len, (DWORD) (uintptr_t) memaddr));
|
len, (DWORD) (uintptr_t) memaddr));
|
if (!ReadProcessMemory (current_process_handle,
|
if (!ReadProcessMemory (current_process_handle,
|
(LPCVOID) (uintptr_t) memaddr, our,
|
(LPCVOID) (uintptr_t) memaddr, our,
|
len, &done))
|
len, &done))
|
done = 0;
|
done = 0;
|
}
|
}
|
return done;
|
return done;
|
}
|
}
|
|
|
static void
|
static void
|
win32_kill_inferior (void)
|
win32_kill_inferior (void)
|
{
|
{
|
CHECK (TerminateProcess (current_process_handle, 0));
|
CHECK (TerminateProcess (current_process_handle, 0));
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
if (!win32_continue (DBG_CONTINUE, -1))
|
if (!win32_continue (DBG_CONTINUE, -1))
|
break;
|
break;
|
if (!WaitForDebugEvent (¤t_event, INFINITE))
|
if (!WaitForDebugEvent (¤t_event, INFINITE))
|
break;
|
break;
|
if (current_event.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT)
|
if (current_event.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT)
|
break;
|
break;
|
}
|
}
|
|
|
target_mourn_inferior (); /* or just win32_mourn_inferior? */
|
target_mourn_inferior (); /* or just win32_mourn_inferior? */
|
}
|
}
|
|
|
static void
|
static void
|
win32_prepare_to_store (struct regcache *regcache)
|
win32_prepare_to_store (struct regcache *regcache)
|
{
|
{
|
/* Do nothing, since we can store individual regs */
|
/* Do nothing, since we can store individual regs */
|
}
|
}
|
|
|
static int
|
static int
|
win32_can_run (void)
|
win32_can_run (void)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static void
|
static void
|
win32_close (int x)
|
win32_close (int x)
|
{
|
{
|
DEBUG_EVENTS (("gdb: win32_close, inferior_ptid=%d\n",
|
DEBUG_EVENTS (("gdb: win32_close, inferior_ptid=%d\n",
|
PIDGET (inferior_ptid)));
|
PIDGET (inferior_ptid)));
|
}
|
}
|
|
|
/* Convert pid to printable format. */
|
/* Convert pid to printable format. */
|
static char *
|
static char *
|
win32_pid_to_str (ptid_t ptid)
|
win32_pid_to_str (ptid_t ptid)
|
{
|
{
|
static char buf[80];
|
static char buf[80];
|
int pid = PIDGET (ptid);
|
int pid = PIDGET (ptid);
|
|
|
if ((DWORD) pid == current_event.dwProcessId)
|
if ((DWORD) pid == current_event.dwProcessId)
|
sprintf (buf, "process %d", pid);
|
sprintf (buf, "process %d", pid);
|
else
|
else
|
sprintf (buf, "thread %ld.0x%x", current_event.dwProcessId, pid);
|
sprintf (buf, "thread %ld.0x%x", current_event.dwProcessId, pid);
|
return buf;
|
return buf;
|
}
|
}
|
|
|
static LONGEST
|
static LONGEST
|
win32_xfer_shared_libraries (struct target_ops *ops,
|
win32_xfer_shared_libraries (struct target_ops *ops,
|
enum target_object object, const char *annex,
|
enum target_object object, const char *annex,
|
gdb_byte *readbuf, const gdb_byte *writebuf,
|
gdb_byte *readbuf, const gdb_byte *writebuf,
|
ULONGEST offset, LONGEST len)
|
ULONGEST offset, LONGEST len)
|
{
|
{
|
struct obstack obstack;
|
struct obstack obstack;
|
const char *buf;
|
const char *buf;
|
LONGEST len_avail;
|
LONGEST len_avail;
|
struct so_list *so;
|
struct so_list *so;
|
|
|
if (writebuf)
|
if (writebuf)
|
return -1;
|
return -1;
|
|
|
obstack_init (&obstack);
|
obstack_init (&obstack);
|
obstack_grow_str (&obstack, "<library-list>\n");
|
obstack_grow_str (&obstack, "<library-list>\n");
|
for (so = solib_start.next; so; so = so->next)
|
for (so = solib_start.next; so; so = so->next)
|
win32_xfer_shared_library (so->so_name, so->lm_info->load_addr, &obstack);
|
win32_xfer_shared_library (so->so_name, so->lm_info->load_addr, &obstack);
|
obstack_grow_str0 (&obstack, "</library-list>\n");
|
obstack_grow_str0 (&obstack, "</library-list>\n");
|
|
|
buf = obstack_finish (&obstack);
|
buf = obstack_finish (&obstack);
|
len_avail = strlen (buf);
|
len_avail = strlen (buf);
|
if (offset >= len_avail)
|
if (offset >= len_avail)
|
return 0;
|
return 0;
|
|
|
if (len > len_avail - offset)
|
if (len > len_avail - offset)
|
len = len_avail - offset;
|
len = len_avail - offset;
|
memcpy (readbuf, buf + offset, len);
|
memcpy (readbuf, buf + offset, len);
|
|
|
obstack_free (&obstack, NULL);
|
obstack_free (&obstack, NULL);
|
return len;
|
return len;
|
}
|
}
|
|
|
static LONGEST
|
static LONGEST
|
win32_xfer_partial (struct target_ops *ops, enum target_object object,
|
win32_xfer_partial (struct target_ops *ops, enum target_object object,
|
const char *annex, gdb_byte *readbuf,
|
const char *annex, gdb_byte *readbuf,
|
const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
|
const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
|
{
|
{
|
switch (object)
|
switch (object)
|
{
|
{
|
case TARGET_OBJECT_MEMORY:
|
case TARGET_OBJECT_MEMORY:
|
if (readbuf)
|
if (readbuf)
|
return (*ops->deprecated_xfer_memory) (offset, readbuf,
|
return (*ops->deprecated_xfer_memory) (offset, readbuf,
|
len, 0/*read*/, NULL, ops);
|
len, 0/*read*/, NULL, ops);
|
if (writebuf)
|
if (writebuf)
|
return (*ops->deprecated_xfer_memory) (offset, (gdb_byte *) writebuf,
|
return (*ops->deprecated_xfer_memory) (offset, (gdb_byte *) writebuf,
|
len, 1/*write*/, NULL, ops);
|
len, 1/*write*/, NULL, ops);
|
return -1;
|
return -1;
|
|
|
case TARGET_OBJECT_LIBRARIES:
|
case TARGET_OBJECT_LIBRARIES:
|
return win32_xfer_shared_libraries (ops, object, annex, readbuf,
|
return win32_xfer_shared_libraries (ops, object, annex, readbuf,
|
writebuf, offset, len);
|
writebuf, offset, len);
|
|
|
default:
|
default:
|
if (ops->beneath != NULL)
|
if (ops->beneath != NULL)
|
return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
|
return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
|
readbuf, writebuf, offset, len);
|
readbuf, writebuf, offset, len);
|
return -1;
|
return -1;
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
init_win32_ops (void)
|
init_win32_ops (void)
|
{
|
{
|
win32_ops.to_shortname = "child";
|
win32_ops.to_shortname = "child";
|
win32_ops.to_longname = "Win32 child process";
|
win32_ops.to_longname = "Win32 child process";
|
win32_ops.to_doc = "Win32 child process (started by the \"run\" command).";
|
win32_ops.to_doc = "Win32 child process (started by the \"run\" command).";
|
win32_ops.to_open = win32_open;
|
win32_ops.to_open = win32_open;
|
win32_ops.to_close = win32_close;
|
win32_ops.to_close = win32_close;
|
win32_ops.to_attach = win32_attach;
|
win32_ops.to_attach = win32_attach;
|
win32_ops.to_detach = win32_detach;
|
win32_ops.to_detach = win32_detach;
|
win32_ops.to_resume = win32_resume;
|
win32_ops.to_resume = win32_resume;
|
win32_ops.to_wait = win32_wait;
|
win32_ops.to_wait = win32_wait;
|
win32_ops.to_fetch_registers = win32_fetch_inferior_registers;
|
win32_ops.to_fetch_registers = win32_fetch_inferior_registers;
|
win32_ops.to_store_registers = win32_store_inferior_registers;
|
win32_ops.to_store_registers = win32_store_inferior_registers;
|
win32_ops.to_prepare_to_store = win32_prepare_to_store;
|
win32_ops.to_prepare_to_store = win32_prepare_to_store;
|
win32_ops.deprecated_xfer_memory = win32_xfer_memory;
|
win32_ops.deprecated_xfer_memory = win32_xfer_memory;
|
win32_ops.to_xfer_partial = win32_xfer_partial;
|
win32_ops.to_xfer_partial = win32_xfer_partial;
|
win32_ops.to_files_info = win32_files_info;
|
win32_ops.to_files_info = win32_files_info;
|
win32_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
win32_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
win32_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
win32_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
win32_ops.to_terminal_init = terminal_init_inferior;
|
win32_ops.to_terminal_init = terminal_init_inferior;
|
win32_ops.to_terminal_inferior = terminal_inferior;
|
win32_ops.to_terminal_inferior = terminal_inferior;
|
win32_ops.to_terminal_ours_for_output = terminal_ours_for_output;
|
win32_ops.to_terminal_ours_for_output = terminal_ours_for_output;
|
win32_ops.to_terminal_ours = terminal_ours;
|
win32_ops.to_terminal_ours = terminal_ours;
|
win32_ops.to_terminal_save_ours = terminal_save_ours;
|
win32_ops.to_terminal_save_ours = terminal_save_ours;
|
win32_ops.to_terminal_info = child_terminal_info;
|
win32_ops.to_terminal_info = child_terminal_info;
|
win32_ops.to_kill = win32_kill_inferior;
|
win32_ops.to_kill = win32_kill_inferior;
|
win32_ops.to_create_inferior = win32_create_inferior;
|
win32_ops.to_create_inferior = win32_create_inferior;
|
win32_ops.to_mourn_inferior = win32_mourn_inferior;
|
win32_ops.to_mourn_inferior = win32_mourn_inferior;
|
win32_ops.to_can_run = win32_can_run;
|
win32_ops.to_can_run = win32_can_run;
|
win32_ops.to_thread_alive = win32_win32_thread_alive;
|
win32_ops.to_thread_alive = win32_win32_thread_alive;
|
win32_ops.to_pid_to_str = win32_pid_to_str;
|
win32_ops.to_pid_to_str = win32_pid_to_str;
|
win32_ops.to_stop = win32_stop;
|
win32_ops.to_stop = win32_stop;
|
win32_ops.to_stratum = process_stratum;
|
win32_ops.to_stratum = process_stratum;
|
win32_ops.to_has_all_memory = 1;
|
win32_ops.to_has_all_memory = 1;
|
win32_ops.to_has_memory = 1;
|
win32_ops.to_has_memory = 1;
|
win32_ops.to_has_stack = 1;
|
win32_ops.to_has_stack = 1;
|
win32_ops.to_has_registers = 1;
|
win32_ops.to_has_registers = 1;
|
win32_ops.to_has_execution = 1;
|
win32_ops.to_has_execution = 1;
|
win32_ops.to_magic = OPS_MAGIC;
|
win32_ops.to_magic = OPS_MAGIC;
|
win32_ops.to_pid_to_exec_file = win32_pid_to_exec_file;
|
win32_ops.to_pid_to_exec_file = win32_pid_to_exec_file;
|
}
|
}
|
|
|
static void
|
static void
|
set_win32_aliases (char *argv0)
|
set_win32_aliases (char *argv0)
|
{
|
{
|
add_info_alias ("dll", "sharedlibrary", 1);
|
add_info_alias ("dll", "sharedlibrary", 1);
|
}
|
}
|
|
|
void
|
void
|
_initialize_win32_nat (void)
|
_initialize_win32_nat (void)
|
{
|
{
|
struct cmd_list_element *c;
|
struct cmd_list_element *c;
|
|
|
init_win32_ops ();
|
init_win32_ops ();
|
|
|
c = add_com ("dll-symbols", class_files, dll_symbol_command,
|
c = add_com ("dll-symbols", class_files, dll_symbol_command,
|
_("Load dll library symbols from FILE."));
|
_("Load dll library symbols from FILE."));
|
set_cmd_completer (c, filename_completer);
|
set_cmd_completer (c, filename_completer);
|
|
|
add_com_alias ("sharedlibrary", "dll-symbols", class_alias, 1);
|
add_com_alias ("sharedlibrary", "dll-symbols", class_alias, 1);
|
|
|
#ifdef __CYGWIN__
|
#ifdef __CYGWIN__
|
add_setshow_boolean_cmd ("shell", class_support, &useshell, _("\
|
add_setshow_boolean_cmd ("shell", class_support, &useshell, _("\
|
Set use of shell to start subprocess."), _("\
|
Set use of shell to start subprocess."), _("\
|
Show use of shell to start subprocess."), NULL,
|
Show use of shell to start subprocess."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_boolean_cmd ("cygwin-exceptions", class_support, &cygwin_exceptions, _("\
|
add_setshow_boolean_cmd ("cygwin-exceptions", class_support, &cygwin_exceptions, _("\
|
Break when an exception is detected in the Cygwin DLL itself."), _("\
|
Break when an exception is detected in the Cygwin DLL itself."), _("\
|
Show whether gdb breaks on exceptions in the Cygwin DLL itself."), NULL,
|
Show whether gdb breaks on exceptions in the Cygwin DLL itself."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
#endif
|
#endif
|
|
|
add_setshow_boolean_cmd ("new-console", class_support, &new_console, _("\
|
add_setshow_boolean_cmd ("new-console", class_support, &new_console, _("\
|
Set creation of new console when creating child process."), _("\
|
Set creation of new console when creating child process."), _("\
|
Show creation of new console when creating child process."), NULL,
|
Show creation of new console when creating child process."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_boolean_cmd ("new-group", class_support, &new_group, _("\
|
add_setshow_boolean_cmd ("new-group", class_support, &new_group, _("\
|
Set creation of new group when creating child process."), _("\
|
Set creation of new group when creating child process."), _("\
|
Show creation of new group when creating child process."), NULL,
|
Show creation of new group when creating child process."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_boolean_cmd ("debugexec", class_support, &debug_exec, _("\
|
add_setshow_boolean_cmd ("debugexec", class_support, &debug_exec, _("\
|
Set whether to display execution in child process."), _("\
|
Set whether to display execution in child process."), _("\
|
Show whether to display execution in child process."), NULL,
|
Show whether to display execution in child process."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_boolean_cmd ("debugevents", class_support, &debug_events, _("\
|
add_setshow_boolean_cmd ("debugevents", class_support, &debug_events, _("\
|
Set whether to display kernel events in child process."), _("\
|
Set whether to display kernel events in child process."), _("\
|
Show whether to display kernel events in child process."), NULL,
|
Show whether to display kernel events in child process."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_boolean_cmd ("debugmemory", class_support, &debug_memory, _("\
|
add_setshow_boolean_cmd ("debugmemory", class_support, &debug_memory, _("\
|
Set whether to display memory accesses in child process."), _("\
|
Set whether to display memory accesses in child process."), _("\
|
Show whether to display memory accesses in child process."), NULL,
|
Show whether to display memory accesses in child process."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_boolean_cmd ("debugexceptions", class_support,
|
add_setshow_boolean_cmd ("debugexceptions", class_support,
|
&debug_exceptions, _("\
|
&debug_exceptions, _("\
|
Set whether to display kernel exceptions in child process."), _("\
|
Set whether to display kernel exceptions in child process."), _("\
|
Show whether to display kernel exceptions in child process."), NULL,
|
Show whether to display kernel exceptions in child process."), NULL,
|
NULL,
|
NULL,
|
NULL, /* FIXME: i18n: */
|
NULL, /* FIXME: i18n: */
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_prefix_cmd ("w32", class_info, info_w32_command,
|
add_prefix_cmd ("w32", class_info, info_w32_command,
|
_("Print information specific to Win32 debugging."),
|
_("Print information specific to Win32 debugging."),
|
&info_w32_cmdlist, "info w32 ", 0, &infolist);
|
&info_w32_cmdlist, "info w32 ", 0, &infolist);
|
|
|
add_cmd ("selector", class_info, display_selectors,
|
add_cmd ("selector", class_info, display_selectors,
|
_("Display selectors infos."),
|
_("Display selectors infos."),
|
&info_w32_cmdlist);
|
&info_w32_cmdlist);
|
add_target (&win32_ops);
|
add_target (&win32_ops);
|
deprecated_init_ui_hook = set_win32_aliases;
|
deprecated_init_ui_hook = set_win32_aliases;
|
}
|
}
|
|
|
/* Hardware watchpoint support, adapted from go32-nat.c code. */
|
/* Hardware watchpoint support, adapted from go32-nat.c code. */
|
|
|
/* Pass the address ADDR to the inferior in the I'th debug register.
|
/* Pass the address ADDR to the inferior in the I'th debug register.
|
Here we just store the address in dr array, the registers will be
|
Here we just store the address in dr array, the registers will be
|
actually set up when win32_continue is called. */
|
actually set up when win32_continue is called. */
|
void
|
void
|
cygwin_set_dr (int i, CORE_ADDR addr)
|
cygwin_set_dr (int i, CORE_ADDR addr)
|
{
|
{
|
if (i < 0 || i > 3)
|
if (i < 0 || i > 3)
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("Invalid register %d in cygwin_set_dr.\n"), i);
|
_("Invalid register %d in cygwin_set_dr.\n"), i);
|
dr[i] = (unsigned) addr;
|
dr[i] = (unsigned) addr;
|
debug_registers_changed = 1;
|
debug_registers_changed = 1;
|
debug_registers_used = 1;
|
debug_registers_used = 1;
|
}
|
}
|
|
|
/* Pass the value VAL to the inferior in the DR7 debug control
|
/* Pass the value VAL to the inferior in the DR7 debug control
|
register. Here we just store the address in D_REGS, the watchpoint
|
register. Here we just store the address in D_REGS, the watchpoint
|
will be actually set up in win32_wait. */
|
will be actually set up in win32_wait. */
|
void
|
void
|
cygwin_set_dr7 (unsigned val)
|
cygwin_set_dr7 (unsigned val)
|
{
|
{
|
dr[7] = val;
|
dr[7] = val;
|
debug_registers_changed = 1;
|
debug_registers_changed = 1;
|
debug_registers_used = 1;
|
debug_registers_used = 1;
|
}
|
}
|
|
|
/* Get the value of the DR6 debug status register from the inferior.
|
/* Get the value of the DR6 debug status register from the inferior.
|
Here we just return the value stored in dr[6]
|
Here we just return the value stored in dr[6]
|
by the last call to thread_rec for current_event.dwThreadId id. */
|
by the last call to thread_rec for current_event.dwThreadId id. */
|
unsigned
|
unsigned
|
cygwin_get_dr6 (void)
|
cygwin_get_dr6 (void)
|
{
|
{
|
return dr[6];
|
return dr[6];
|
}
|
}
|
|
|
/* Determine if the thread referenced by "pid" is alive
|
/* Determine if the thread referenced by "pid" is alive
|
by "polling" it. If WaitForSingleObject returns WAIT_OBJECT_0
|
by "polling" it. If WaitForSingleObject returns WAIT_OBJECT_0
|
it means that the pid has died. Otherwise it is assumed to be alive. */
|
it means that the pid has died. Otherwise it is assumed to be alive. */
|
static int
|
static int
|
win32_win32_thread_alive (ptid_t ptid)
|
win32_win32_thread_alive (ptid_t ptid)
|
{
|
{
|
int pid = PIDGET (ptid);
|
int pid = PIDGET (ptid);
|
|
|
return WaitForSingleObject (thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ?
|
return WaitForSingleObject (thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ?
|
FALSE : TRUE;
|
FALSE : TRUE;
|
}
|
}
|
|
|
void
|
void
|
_initialize_check_for_gdb_ini (void)
|
_initialize_check_for_gdb_ini (void)
|
{
|
{
|
char *homedir;
|
char *homedir;
|
if (inhibit_gdbinit)
|
if (inhibit_gdbinit)
|
return;
|
return;
|
|
|
homedir = getenv ("HOME");
|
homedir = getenv ("HOME");
|
if (homedir)
|
if (homedir)
|
{
|
{
|
char *p;
|
char *p;
|
char *oldini = (char *) alloca (strlen (homedir) +
|
char *oldini = (char *) alloca (strlen (homedir) +
|
sizeof ("/gdb.ini"));
|
sizeof ("/gdb.ini"));
|
strcpy (oldini, homedir);
|
strcpy (oldini, homedir);
|
p = strchr (oldini, '\0');
|
p = strchr (oldini, '\0');
|
if (p > oldini && p[-1] != '/')
|
if (p > oldini && p[-1] != '/')
|
*p++ = '/';
|
*p++ = '/';
|
strcpy (p, "gdb.ini");
|
strcpy (p, "gdb.ini");
|
if (access (oldini, 0) == 0)
|
if (access (oldini, 0) == 0)
|
{
|
{
|
int len = strlen (oldini);
|
int len = strlen (oldini);
|
char *newini = alloca (len + 1);
|
char *newini = alloca (len + 1);
|
sprintf (newini, "%.*s.gdbinit",
|
sprintf (newini, "%.*s.gdbinit",
|
(int) (len - (sizeof ("gdb.ini") - 1)), oldini);
|
(int) (len - (sizeof ("gdb.ini") - 1)), oldini);
|
warning (_("obsolete '%s' found. Rename to '%s'."), oldini, newini);
|
warning (_("obsolete '%s' found. Rename to '%s'."), oldini, newini);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
void
|
void
|
_initialize_psapi (void)
|
_initialize_psapi (void)
|
{
|
{
|
/* Load optional functions used for retrieving filename information
|
/* Load optional functions used for retrieving filename information
|
associated with the currently debugged process or its dlls. */
|
associated with the currently debugged process or its dlls. */
|
if (!psapi_loaded)
|
if (!psapi_loaded)
|
{
|
{
|
HMODULE psapi_module_handle;
|
HMODULE psapi_module_handle;
|
|
|
psapi_loaded = -1;
|
psapi_loaded = -1;
|
|
|
psapi_module_handle = LoadLibrary ("psapi.dll");
|
psapi_module_handle = LoadLibrary ("psapi.dll");
|
if (psapi_module_handle)
|
if (psapi_module_handle)
|
{
|
{
|
psapi_EnumProcessModules = (void *) GetProcAddress (psapi_module_handle, "EnumProcessModules");
|
psapi_EnumProcessModules = (void *) GetProcAddress (psapi_module_handle, "EnumProcessModules");
|
psapi_GetModuleInformation = (void *) GetProcAddress (psapi_module_handle, "GetModuleInformation");
|
psapi_GetModuleInformation = (void *) GetProcAddress (psapi_module_handle, "GetModuleInformation");
|
psapi_GetModuleFileNameExA = (void *) GetProcAddress (psapi_module_handle, "GetModuleFileNameExA");
|
psapi_GetModuleFileNameExA = (void *) GetProcAddress (psapi_module_handle, "GetModuleFileNameExA");
|
|
|
if (psapi_EnumProcessModules != NULL
|
if (psapi_EnumProcessModules != NULL
|
&& psapi_GetModuleInformation != NULL
|
&& psapi_GetModuleInformation != NULL
|
&& psapi_GetModuleFileNameExA != NULL)
|
&& psapi_GetModuleFileNameExA != NULL)
|
psapi_loaded = 1;
|
psapi_loaded = 1;
|
}
|
}
|
}
|
}
|
|
|
/* This will probably fail on Windows 9x/Me. Let the user know that we're
|
/* This will probably fail on Windows 9x/Me. Let the user know that we're
|
missing some functionality. */
|
missing some functionality. */
|
if (psapi_loaded < 0)
|
if (psapi_loaded < 0)
|
warning(_("cannot automatically find executable file or library to read symbols. Use \"file\" or \"dll\" command to load executable/libraries directly."));
|
warning(_("cannot automatically find executable file or library to read symbols. Use \"file\" or \"dll\" command to load executable/libraries directly."));
|
}
|
}
|
|
|
