473 lines
15 KiB
C
473 lines
15 KiB
C
/*
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* Copyright 1993 Robert J. Amstadt
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* Copyright 1995 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/winbase16.h"
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#include "winreg.h"
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#include "winternl.h"
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#include "kernel_private.h"
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#include "kernel16_private.h"
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#include "wine/unicode.h"
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#include "wine/library.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(relay);
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#ifdef __i386__
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static const WCHAR **debug_relay_excludelist;
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static const WCHAR **debug_relay_includelist;
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static const WCHAR **debug_snoop_excludelist;
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static const WCHAR **debug_snoop_includelist;
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/* compare an ASCII and a Unicode string without depending on the current codepage */
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inline static int strcmpiAW( const char *strA, const WCHAR *strW )
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{
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while (*strA && (toupperW((unsigned char)*strA) == toupperW(*strW))) { strA++; strW++; }
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return toupperW((unsigned char)*strA) - toupperW(*strW);
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}
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/* compare an ASCII and a Unicode string without depending on the current codepage */
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inline static int strncmpiAW( const char *strA, const WCHAR *strW, int n )
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{
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int ret = 0;
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for ( ; n > 0; n--, strA++, strW++)
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if ((ret = toupperW((unsigned char)*strA) - toupperW(*strW)) || !*strA) break;
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return ret;
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}
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/***********************************************************************
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* build_list
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*
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* Build a function list from a ';'-separated string.
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*/
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static const WCHAR **build_list( const WCHAR *buffer )
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{
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int count = 1;
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const WCHAR *p = buffer;
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const WCHAR **ret;
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while ((p = strchrW( p, ';' )))
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{
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count++;
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p++;
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}
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/* allocate count+1 pointers, plus the space for a copy of the string */
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if ((ret = RtlAllocateHeap( GetProcessHeap(), 0,
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(count+1) * sizeof(WCHAR*) + (strlenW(buffer)+1) * sizeof(WCHAR) )))
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{
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WCHAR *str = (WCHAR *)(ret + count + 1);
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WCHAR *p = str;
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strcpyW( str, buffer );
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count = 0;
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for (;;)
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{
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ret[count++] = p;
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if (!(p = strchrW( p, ';' ))) break;
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*p++ = 0;
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}
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ret[count++] = NULL;
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}
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return ret;
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}
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/***********************************************************************
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* RELAY16_InitDebugLists
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*
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* Build the relay include/exclude function lists.
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*/
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void RELAY16_InitDebugLists(void)
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING name;
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char buffer[1024];
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HKEY root, hkey;
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DWORD count;
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WCHAR *str;
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static const WCHAR configW[] = {'S','o','f','t','w','a','r','e','\\',
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'W','i','n','e','\\',
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'D','e','b','u','g',0};
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static const WCHAR RelayIncludeW[] = {'R','e','l','a','y','I','n','c','l','u','d','e',0};
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static const WCHAR RelayExcludeW[] = {'R','e','l','a','y','E','x','c','l','u','d','e',0};
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static const WCHAR SnoopIncludeW[] = {'S','n','o','o','p','I','n','c','l','u','d','e',0};
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static const WCHAR SnoopExcludeW[] = {'S','n','o','o','p','E','x','c','l','u','d','e',0};
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RtlOpenCurrentUser( KEY_ALL_ACCESS, &root );
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attr.Length = sizeof(attr);
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attr.RootDirectory = root;
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attr.ObjectName = &name;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitUnicodeString( &name, configW );
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/* @@ Wine registry key: HKCU\Software\Wine\Debug */
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if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) hkey = 0;
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NtClose( root );
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if (!hkey) return;
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str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)buffer)->Data;
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RtlInitUnicodeString( &name, RelayIncludeW );
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if (!NtQueryValueKey( hkey, &name, KeyValuePartialInformation, buffer, sizeof(buffer), &count ))
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{
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debug_relay_includelist = build_list( str );
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}
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RtlInitUnicodeString( &name, RelayExcludeW );
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if (!NtQueryValueKey( hkey, &name, KeyValuePartialInformation, buffer, sizeof(buffer), &count ))
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{
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debug_relay_excludelist = build_list( str );
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}
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RtlInitUnicodeString( &name, SnoopIncludeW );
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if (!NtQueryValueKey( hkey, &name, KeyValuePartialInformation, buffer, sizeof(buffer), &count ))
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{
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debug_snoop_includelist = build_list( str );
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}
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RtlInitUnicodeString( &name, SnoopExcludeW );
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if (!NtQueryValueKey( hkey, &name, KeyValuePartialInformation, buffer, sizeof(buffer), &count ))
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{
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debug_snoop_excludelist = build_list( str );
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}
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NtClose( hkey );
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}
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/***********************************************************************
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* check_list
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*
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* Check if a given module and function is in the list.
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*/
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static BOOL check_list( const char *module, int ordinal, const char *func, const WCHAR **list )
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{
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char ord_str[10];
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sprintf( ord_str, "%d", ordinal );
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for(; *list; list++)
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{
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const WCHAR *p = strrchrW( *list, '.' );
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if (p && p > *list) /* check module and function */
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{
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int len = p - *list;
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if (strncmpiAW( module, *list, len-1 ) || module[len]) continue;
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if (p[1] == '*' && !p[2]) return TRUE;
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if (!strcmpiAW( ord_str, p + 1 )) return TRUE;
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if (func && !strcmpiAW( func, p + 1 )) return TRUE;
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}
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else /* function only */
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{
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if (func && !strcmpiAW( func, *list )) return TRUE;
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}
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}
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return FALSE;
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}
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/***********************************************************************
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* RELAY_ShowDebugmsgRelay
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*
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* Simple function to decide if a particular debugging message is
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* wanted.
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*/
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static BOOL RELAY_ShowDebugmsgRelay(const char *module, int ordinal, const char *func)
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{
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if (debug_relay_excludelist && check_list( module, ordinal, func, debug_relay_excludelist ))
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return FALSE;
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if (debug_relay_includelist && !check_list( module, ordinal, func, debug_relay_includelist ))
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return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* SNOOP16_ShowDebugmsgSnoop
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*
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* Simple function to decide if a particular debugging message is
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* wanted.
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*/
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int SNOOP16_ShowDebugmsgSnoop(const char *module, int ordinal, const char *func)
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{
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if (debug_snoop_excludelist && check_list( module, ordinal, func, debug_snoop_excludelist ))
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return FALSE;
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if (debug_snoop_includelist && !check_list( module, ordinal, func, debug_snoop_includelist ))
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return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* get_entry_point
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*
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* Return the ordinal, name, and type info corresponding to a CS:IP address.
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*/
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static const CALLFROM16 *get_entry_point( STACK16FRAME *frame, LPSTR module, LPSTR func, WORD *pOrd )
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{
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WORD i, max_offset;
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register BYTE *p;
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NE_MODULE *pModule;
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ET_BUNDLE *bundle;
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ET_ENTRY *entry;
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if (!(pModule = NE_GetPtr( FarGetOwner16( GlobalHandle16( frame->module_cs ) ))))
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return NULL;
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max_offset = 0;
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*pOrd = 0;
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bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab);
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do
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{
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entry = (ET_ENTRY *)((BYTE *)bundle+6);
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for (i = bundle->first + 1; i <= bundle->last; i++)
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{
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if ((entry->offs < frame->entry_ip)
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&& (entry->segnum == 1) /* code segment ? */
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&& (entry->offs >= max_offset))
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{
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max_offset = entry->offs;
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*pOrd = i;
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}
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entry++;
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}
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} while ( (bundle->next)
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&& (bundle = (ET_BUNDLE *)((BYTE *)pModule+bundle->next)));
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/* Search for the name in the resident names table */
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/* (built-in modules have no non-resident table) */
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p = (BYTE *)pModule + pModule->ne_restab;
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memcpy( module, p + 1, *p );
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module[*p] = 0;
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while (*p)
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{
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p += *p + 1 + sizeof(WORD);
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if (*(WORD *)(p + *p + 1) == *pOrd) break;
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}
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memcpy( func, p + 1, *p );
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func[*p] = 0;
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/* Retrieve entry point call structure */
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p = MapSL( MAKESEGPTR( frame->module_cs, frame->callfrom_ip ) );
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/* p now points to lret, get the start of CALLFROM16 structure */
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return (CALLFROM16 *)(p - (BYTE *)&((CALLFROM16 *)0)->lret);
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}
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/***********************************************************************
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* RELAY_DebugCallFrom16
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*/
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void RELAY_DebugCallFrom16( CONTEXT86 *context )
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{
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STACK16FRAME *frame;
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WORD ordinal;
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char *args16, module[10], func[64];
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const CALLFROM16 *call;
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int i;
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if (!TRACE_ON(relay)) return;
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frame = CURRENT_STACK16;
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call = get_entry_point( frame, module, func, &ordinal );
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if (!call) return; /* happens for the two snoop register relays */
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if (!RELAY_ShowDebugmsgRelay( module, ordinal, func )) return;
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DPRINTF( "%04lx:Call %s.%d: %s(",GetCurrentThreadId(), module, ordinal, func );
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args16 = (char *)(frame + 1);
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if (call->lret == 0xcb66) /* cdecl */
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{
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for (i = 0; i < 20; i++)
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{
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int type = (call->arg_types[i / 10] >> (3 * (i % 10))) & 7;
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if (type == ARG_NONE) break;
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if (i) DPRINTF( "," );
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switch(type)
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{
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case ARG_WORD:
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case ARG_SWORD:
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DPRINTF( "%04x", *(WORD *)args16 );
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args16 += sizeof(WORD);
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break;
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case ARG_LONG:
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DPRINTF( "%08x", *(int *)args16 );
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args16 += sizeof(int);
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break;
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case ARG_PTR:
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DPRINTF( "%04x:%04x", *(WORD *)(args16+2), *(WORD *)args16 );
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args16 += sizeof(SEGPTR);
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break;
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case ARG_STR:
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DPRINTF( "%08x %s", *(int *)args16,
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debugstr_a( MapSL(*(SEGPTR *)args16 )));
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args16 += sizeof(int);
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break;
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case ARG_SEGSTR:
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DPRINTF( "%04x:%04x %s", *(WORD *)(args16+2), *(WORD *)args16,
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debugstr_a( MapSL(*(SEGPTR *)args16 )) );
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args16 += sizeof(SEGPTR);
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break;
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default:
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break;
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}
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}
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}
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else /* not cdecl */
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{
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/* Start with the last arg */
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args16 += call->nArgs;
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for (i = 0; i < 20; i++)
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{
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int type = (call->arg_types[i / 10] >> (3 * (i % 10))) & 7;
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if (type == ARG_NONE) break;
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if (i) DPRINTF( "," );
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switch(type)
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{
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case ARG_WORD:
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case ARG_SWORD:
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args16 -= sizeof(WORD);
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DPRINTF( "%04x", *(WORD *)args16 );
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break;
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case ARG_LONG:
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args16 -= sizeof(int);
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DPRINTF( "%08x", *(int *)args16 );
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break;
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case ARG_PTR:
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args16 -= sizeof(SEGPTR);
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DPRINTF( "%04x:%04x", *(WORD *)(args16+2), *(WORD *)args16 );
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break;
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case ARG_STR:
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args16 -= sizeof(int);
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DPRINTF( "%08x %s", *(int *)args16,
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debugstr_a( MapSL(*(SEGPTR *)args16 )));
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break;
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case ARG_SEGSTR:
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args16 -= sizeof(SEGPTR);
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DPRINTF( "%04x:%04x %s", *(WORD *)(args16+2), *(WORD *)args16,
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debugstr_a( MapSL(*(SEGPTR *)args16 )) );
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break;
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default:
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break;
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}
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}
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}
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DPRINTF( ") ret=%04x:%04x ds=%04x\n", frame->cs, frame->ip, frame->ds );
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if (call->arg_types[0] & ARG_REGISTER)
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DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x ES=%04x EFL=%08lx\n",
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(WORD)context->Eax, (WORD)context->Ebx, (WORD)context->Ecx,
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(WORD)context->Edx, (WORD)context->Esi, (WORD)context->Edi,
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(WORD)context->SegEs, context->EFlags );
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SYSLEVEL_CheckNotLevel( 2 );
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}
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/***********************************************************************
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* RELAY_DebugCallFrom16Ret
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*/
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void RELAY_DebugCallFrom16Ret( CONTEXT86 *context, int ret_val )
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{
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STACK16FRAME *frame;
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WORD ordinal;
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char module[10], func[64];
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const CALLFROM16 *call;
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if (!TRACE_ON(relay)) return;
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frame = CURRENT_STACK16;
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call = get_entry_point( frame, module, func, &ordinal );
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if (!call) return;
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if (!RELAY_ShowDebugmsgRelay( module, ordinal, func )) return;
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DPRINTF( "%04lx:Ret %s.%d: %s() ", GetCurrentThreadId(), module, ordinal, func );
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if (call->arg_types[0] & ARG_REGISTER)
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{
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DPRINTF("retval=none ret=%04x:%04x ds=%04x\n",
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(WORD)context->SegCs, LOWORD(context->Eip), (WORD)context->SegDs);
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DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x ES=%04x EFL=%08lx\n",
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(WORD)context->Eax, (WORD)context->Ebx, (WORD)context->Ecx,
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(WORD)context->Edx, (WORD)context->Esi, (WORD)context->Edi,
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(WORD)context->SegEs, context->EFlags );
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}
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else if (call->arg_types[0] & ARG_RET16)
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{
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DPRINTF( "retval=%04x ret=%04x:%04x ds=%04x\n",
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ret_val & 0xffff, frame->cs, frame->ip, frame->ds );
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}
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else
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{
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DPRINTF( "retval=%08x ret=%04x:%04x ds=%04x\n",
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ret_val, frame->cs, frame->ip, frame->ds );
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}
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SYSLEVEL_CheckNotLevel( 2 );
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}
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#else /* __i386__ */
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/*
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* Stubs for the CallTo16/CallFrom16 routines on non-Intel architectures
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* (these will never be called but need to be present to satisfy the linker ...)
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*/
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/***********************************************************************
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* __wine_call_from_16_word (KERNEL32.@)
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*/
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WORD __wine_call_from_16_word()
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{
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assert( FALSE );
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}
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/***********************************************************************
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* __wine_call_from_16_long (KERNEL32.@)
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*/
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LONG __wine_call_from_16_long()
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{
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assert( FALSE );
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}
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/***********************************************************************
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* __wine_call_from_16_regs (KERNEL32.@)
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*/
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void __wine_call_from_16_regs()
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{
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assert( FALSE );
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}
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DWORD WINAPI CALL32_CBClient( FARPROC proc, LPWORD args, DWORD *esi )
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{ assert( FALSE ); }
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DWORD WINAPI CALL32_CBClientEx( FARPROC proc, LPWORD args, DWORD *esi, INT *nArgs )
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{ assert( FALSE ); }
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#endif /* __i386__ */
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