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![Rémi Bernon](/assets/img/avatar_default.png)
And call it from kernel32 to get access to kernelbase global data. Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
209 lines
7 KiB
C
209 lines
7 KiB
C
/*
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* Kernel initialization code
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*
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* Copyright 2000 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <ctype.h>
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#include <stdarg.h>
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#include <string.h>
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#include <signal.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "wincon.h"
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#include "winternl.h"
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#include "kernel_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(process);
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static STARTUPINFOA startup_infoA;
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/***********************************************************************
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* set_entry_point
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*/
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#ifdef __i386__
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static void set_entry_point( HMODULE module, const char *name, DWORD rva )
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{
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IMAGE_EXPORT_DIRECTORY *exports;
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DWORD exp_size;
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if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
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IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
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{
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DWORD *functions = (DWORD *)((char *)module + exports->AddressOfFunctions);
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const WORD *ordinals = (const WORD *)((const char *)module + exports->AddressOfNameOrdinals);
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const DWORD *names = (const DWORD *)((const char *)module + exports->AddressOfNames);
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int min = 0, max = exports->NumberOfNames - 1;
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while (min <= max)
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{
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int res, pos = (min + max) / 2;
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const char *ename = (const char *)module + names[pos];
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if (!(res = strcmp( ename, name )))
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{
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WORD ordinal = ordinals[pos];
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DWORD oldprot;
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TRACE( "setting %s at %p to %08lx\n", name, &functions[ordinal], rva );
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VirtualProtect( functions + ordinal, sizeof(*functions), PAGE_READWRITE, &oldprot );
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functions[ordinal] = rva;
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VirtualProtect( functions + ordinal, sizeof(*functions), oldprot, &oldprot );
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return;
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}
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if (res > 0) max = pos - 1;
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else min = pos + 1;
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}
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}
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}
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#endif
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/***********************************************************************
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* GetStartupInfoA (KERNEL32.@)
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*/
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VOID WINAPI GetStartupInfoA( LPSTARTUPINFOA info )
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{
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*info = startup_infoA;
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}
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static void copy_startup_info(void)
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{
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RTL_USER_PROCESS_PARAMETERS* rupp;
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ANSI_STRING ansi;
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RtlAcquirePebLock();
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rupp = NtCurrentTeb()->Peb->ProcessParameters;
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startup_infoA.cb = sizeof(startup_infoA);
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startup_infoA.lpReserved = NULL;
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startup_infoA.lpDesktop = !RtlUnicodeStringToAnsiString( &ansi, &rupp->Desktop, TRUE ) ? ansi.Buffer : NULL;
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startup_infoA.lpTitle = !RtlUnicodeStringToAnsiString( &ansi, &rupp->WindowTitle, TRUE ) ? ansi.Buffer : NULL;
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startup_infoA.dwX = rupp->dwX;
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startup_infoA.dwY = rupp->dwY;
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startup_infoA.dwXSize = rupp->dwXSize;
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startup_infoA.dwYSize = rupp->dwYSize;
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startup_infoA.dwXCountChars = rupp->dwXCountChars;
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startup_infoA.dwYCountChars = rupp->dwYCountChars;
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startup_infoA.dwFillAttribute = rupp->dwFillAttribute;
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startup_infoA.dwFlags = rupp->dwFlags;
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startup_infoA.wShowWindow = rupp->wShowWindow;
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startup_infoA.cbReserved2 = rupp->RuntimeInfo.MaximumLength;
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startup_infoA.lpReserved2 = rupp->RuntimeInfo.MaximumLength ? (void*)rupp->RuntimeInfo.Buffer : NULL;
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startup_infoA.hStdInput = rupp->hStdInput ? rupp->hStdInput : INVALID_HANDLE_VALUE;
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startup_infoA.hStdOutput = rupp->hStdOutput ? rupp->hStdOutput : INVALID_HANDLE_VALUE;
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startup_infoA.hStdError = rupp->hStdError ? rupp->hStdError : INVALID_HANDLE_VALUE;
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RtlReleasePebLock();
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}
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/***********************************************************************
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* KERNEL process initialisation routine
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*/
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static BOOL process_attach( HMODULE module )
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{
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RtlSetUnhandledExceptionFilter( UnhandledExceptionFilter );
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NtQuerySystemInformation( SystemBasicInformation, &system_info, sizeof(system_info), NULL );
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kernelbase_global_data = KernelBaseGetGlobalData();
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copy_startup_info();
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#ifdef __i386__
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if (!(GetVersion() & 0x80000000))
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{
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/* Securom checks for this one when version is NT */
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set_entry_point( module, "FT_Thunk", 0 );
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}
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else
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{
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LDR_DATA_TABLE_ENTRY *ldr;
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if (LdrFindEntryForAddress( GetModuleHandleW( 0 ), &ldr ) || !(ldr->Flags & LDR_WINE_INTERNAL))
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LoadLibraryA( "krnl386.exe16" );
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}
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#endif
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return TRUE;
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}
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/***********************************************************************
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* KERNEL initialisation routine
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*/
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BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
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{
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switch(reason)
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{
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls( hinst );
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return process_attach( hinst );
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case DLL_PROCESS_DETACH:
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WritePrivateProfileSectionW( NULL, NULL, NULL );
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* MulDiv (KERNEL32.@)
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* RETURNS
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* Result of multiplication and division
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* -1: Overflow occurred or Divisor was 0
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*/
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INT WINAPI MulDiv( INT nMultiplicand, INT nMultiplier, INT nDivisor)
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{
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LONGLONG ret;
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if (!nDivisor) return -1;
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/* We want to deal with a positive divisor to simplify the logic. */
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if (nDivisor < 0)
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{
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nMultiplicand = - nMultiplicand;
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nDivisor = -nDivisor;
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}
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/* If the result is positive, we "add" to round. else, we subtract to round. */
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if ( ( (nMultiplicand < 0) && (nMultiplier < 0) ) ||
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( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
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ret = (((LONGLONG)nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
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else
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ret = (((LONGLONG)nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
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if ((ret > 2147483647) || (ret < -2147483647)) return -1;
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return ret;
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}
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/******************************************************************************
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* GetSystemRegistryQuota (KERNEL32.@)
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*/
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BOOL WINAPI GetSystemRegistryQuota(PDWORD pdwQuotaAllowed, PDWORD pdwQuotaUsed)
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{
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FIXME("(%p, %p) faking reported quota values\n", pdwQuotaAllowed, pdwQuotaUsed);
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if (pdwQuotaAllowed)
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*pdwQuotaAllowed = 2 * 1000 * 1000 * 1000; /* 2 GB */
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if (pdwQuotaUsed)
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*pdwQuotaUsed = 100 * 1000 * 1000; /* 100 MB */
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return TRUE;
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}
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