1063 lines
32 KiB
C
1063 lines
32 KiB
C
/*
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* Loader functions
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*
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* Copyright 1995 Alexandre Julliard
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* Copyright 2002 Dmitry Timoshkov for Codeweavers
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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 <assert.h>
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#include "winbase.h"
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#include "winnt.h"
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#include "winternl.h"
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#include "module.h"
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#include "file.h"
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#include "wine/exception.h"
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#include "excpt.h"
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#include "wine/debug.h"
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#include "wine/server.h"
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#include "ntdll_misc.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
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WINE_DECLARE_DEBUG_CHANNEL(module);
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WINE_DECLARE_DEBUG_CHANNEL(module);
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WINE_DECLARE_DEBUG_CHANNEL(loaddll);
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WINE_MODREF *MODULE_modref_list = NULL;
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static WINE_MODREF *exe_modref;
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static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
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static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
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/* filter for page-fault exceptions */
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static WINE_EXCEPTION_FILTER(page_fault)
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{
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if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
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return EXCEPTION_EXECUTE_HANDLER;
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return EXCEPTION_CONTINUE_SEARCH;
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}
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static CRITICAL_SECTION loader_section = CRITICAL_SECTION_INIT( "loader_section" );
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/*************************************************************************
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* MODULE32_LookupHMODULE
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* looks for the referenced HMODULE in the current process
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* NOTE: Assumes that the process critical section is held!
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*/
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static WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hmod )
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{
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WINE_MODREF *wm;
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if (!hmod)
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return exe_modref;
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if (!HIWORD(hmod)) {
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ERR("tried to lookup %p in win32 module handler!\n",hmod);
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return NULL;
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}
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for ( wm = MODULE_modref_list; wm; wm=wm->next )
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if (wm->ldr.BaseAddress == hmod)
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return wm;
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return NULL;
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}
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/*************************************************************************
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* MODULE_AllocModRef
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*
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* Allocate a WINE_MODREF structure and add it to the process list
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* NOTE: Assumes that the process critical section is held!
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*/
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WINE_MODREF *MODULE_AllocModRef( HMODULE hModule, LPCSTR filename )
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{
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WINE_MODREF *wm;
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IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
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DWORD long_len = strlen( filename );
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DWORD short_len = GetShortPathNameA( filename, NULL, 0 );
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if ((wm = RtlAllocateHeap( ntdll_get_process_heap(), HEAP_ZERO_MEMORY,
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sizeof(*wm) + long_len + short_len + 1 )))
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{
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wm->ldr.BaseAddress = hModule;
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wm->ldr.TlsIndex = -1;
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wm->filename = wm->data;
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memcpy( wm->filename, filename, long_len + 1 );
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if ((wm->modname = strrchr( wm->filename, '\\' ))) wm->modname++;
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else wm->modname = wm->filename;
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wm->short_filename = wm->filename + long_len + 1;
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GetShortPathNameA( wm->filename, wm->short_filename, short_len + 1 );
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if ((wm->short_modname = strrchr( wm->short_filename, '\\' ))) wm->short_modname++;
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else wm->short_modname = wm->short_filename;
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wm->next = MODULE_modref_list;
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if (wm->next) wm->next->prev = wm;
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MODULE_modref_list = wm;
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wm->ldr.InLoadOrderModuleList.Flink = NULL;
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wm->ldr.InLoadOrderModuleList.Blink = NULL;
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wm->ldr.InMemoryOrderModuleList.Flink = NULL;
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wm->ldr.InMemoryOrderModuleList.Blink = NULL;
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wm->ldr.InInitializationOrderModuleList.Flink = NULL;
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wm->ldr.InInitializationOrderModuleList.Blink = NULL;
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wm->ldr.BaseAddress = hModule;
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wm->ldr.EntryPoint = (nt->OptionalHeader.AddressOfEntryPoint) ?
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((char *)hModule + nt->OptionalHeader.AddressOfEntryPoint) : 0;
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wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
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RtlCreateUnicodeStringFromAsciiz( &wm->ldr.FullDllName, wm->filename);
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RtlCreateUnicodeStringFromAsciiz( &wm->ldr.BaseDllName, wm->modname);
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wm->ldr.Flags = 0;
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wm->ldr.LoadCount = 0;
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wm->ldr.TlsIndex = 0;
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wm->ldr.SectionHandle = NULL;
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wm->ldr.CheckSum = 0;
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wm->ldr.TimeDateStamp = 0;
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if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
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{
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if (!exe_modref) exe_modref = wm;
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else FIXME( "Trying to load second .EXE file: %s\n", filename );
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}
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else wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
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}
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return wm;
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}
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/*************************************************************************
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* MODULE_InitDLL
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*/
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static BOOL MODULE_InitDLL( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
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{
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static const char * const typeName[] = { "PROCESS_DETACH", "PROCESS_ATTACH",
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"THREAD_ATTACH", "THREAD_DETACH" };
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BOOL retv = TRUE;
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/* Skip calls for modules loaded with special load flags */
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if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return TRUE;
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TRACE("(%s,%s,%p) - CALL\n", wm->modname, typeName[type], lpReserved );
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/* Call the initialization routine */
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retv = PE_InitDLL( wm->ldr.BaseAddress, type, lpReserved );
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/* The state of the module list may have changed due to the call
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to PE_InitDLL. We cannot assume that this module has not been
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deleted. */
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TRACE("(%p,%s,%p) - RETURN %d\n", wm, typeName[type], lpReserved, retv );
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return retv;
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}
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/*************************************************************************
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* MODULE_DllProcessAttach
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*
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* Send the process attach notification to all DLLs the given module
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* depends on (recursively). This is somewhat complicated due to the fact that
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*
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* - we have to respect the module dependencies, i.e. modules implicitly
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* referenced by another module have to be initialized before the module
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* itself can be initialized
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*
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* - the initialization routine of a DLL can itself call LoadLibrary,
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* thereby introducing a whole new set of dependencies (even involving
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* the 'old' modules) at any time during the whole process
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*
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* (Note that this routine can be recursively entered not only directly
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* from itself, but also via LoadLibrary from one of the called initialization
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* routines.)
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*
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* Furthermore, we need to rearrange the main WINE_MODREF list to allow
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* the process *detach* notifications to be sent in the correct order.
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* This must not only take into account module dependencies, but also
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* 'hidden' dependencies created by modules calling LoadLibrary in their
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* attach notification routine.
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*
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* The strategy is rather simple: we move a WINE_MODREF to the head of the
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* list after the attach notification has returned. This implies that the
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* detach notifications are called in the reverse of the sequence the attach
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* notifications *returned*.
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*/
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BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved )
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{
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BOOL retv = TRUE;
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int i;
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RtlEnterCriticalSection( &loader_section );
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if (!wm)
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{
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wm = exe_modref;
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PE_InitTls();
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}
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assert( wm );
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/* prevent infinite recursion in case of cyclical dependencies */
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if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
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|| ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
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goto done;
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TRACE("(%s,%p) - START\n", wm->modname, lpReserved );
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/* Tag current MODREF to prevent recursive loop */
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wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
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/* Recursively attach all DLLs this one depends on */
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for ( i = 0; retv && i < wm->nDeps; i++ )
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if ( wm->deps[i] )
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retv = MODULE_DllProcessAttach( wm->deps[i], lpReserved );
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/* Call DLL entry point */
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if ( retv )
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{
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retv = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
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if ( retv )
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wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
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}
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/* Re-insert MODREF at head of list */
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if ( retv && wm->prev )
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{
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wm->prev->next = wm->next;
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if ( wm->next ) wm->next->prev = wm->prev;
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wm->prev = NULL;
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wm->next = MODULE_modref_list;
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MODULE_modref_list = wm->next->prev = wm;
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}
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/* Remove recursion flag */
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wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
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TRACE("(%s,%p) - END\n", wm->modname, lpReserved );
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done:
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RtlLeaveCriticalSection( &loader_section );
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return retv;
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}
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/*************************************************************************
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* MODULE_DllProcessDetach
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*
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* Send DLL process detach notifications. See the comment about calling
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* sequence at MODULE_DllProcessAttach. Unless the bForceDetach flag
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* is set, only DLLs with zero refcount are notified.
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*/
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void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved )
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{
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WINE_MODREF *wm;
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RtlEnterCriticalSection( &loader_section );
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if (bForceDetach) process_detaching = 1;
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do
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{
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for ( wm = MODULE_modref_list; wm; wm = wm->next )
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{
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/* Check whether to detach this DLL */
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if ( !(wm->ldr.Flags & LDR_PROCESS_ATTACHED) )
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continue;
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if ( wm->ldr.LoadCount > 0 && !bForceDetach )
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continue;
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/* Call detach notification */
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wm->ldr.Flags &= ~LDR_PROCESS_ATTACHED;
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MODULE_InitDLL( wm, DLL_PROCESS_DETACH, lpReserved );
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/* Restart at head of WINE_MODREF list, as entries might have
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been added and/or removed while performing the call ... */
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break;
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}
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} while ( wm );
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RtlLeaveCriticalSection( &loader_section );
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}
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/*************************************************************************
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* MODULE_DllThreadAttach
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*
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* Send DLL thread attach notifications. These are sent in the
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* reverse sequence of process detach notification.
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*
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*/
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void MODULE_DllThreadAttach( LPVOID lpReserved )
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{
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WINE_MODREF *wm;
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/* don't do any attach calls if process is exiting */
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if (process_detaching) return;
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/* FIXME: there is still a race here */
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RtlEnterCriticalSection( &loader_section );
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PE_InitTls();
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for ( wm = MODULE_modref_list; wm; wm = wm->next )
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if ( !wm->next )
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break;
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for ( ; wm; wm = wm->prev )
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{
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if ( !(wm->ldr.Flags & LDR_PROCESS_ATTACHED) )
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continue;
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if ( wm->ldr.Flags & LDR_NO_DLL_CALLS )
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continue;
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MODULE_InitDLL( wm, DLL_THREAD_ATTACH, lpReserved );
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}
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RtlLeaveCriticalSection( &loader_section );
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}
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/******************************************************************
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* LdrDisableThreadCalloutsForDll (NTDLL.@)
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*
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*/
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NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
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{
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WINE_MODREF *wm;
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NTSTATUS ret = STATUS_SUCCESS;
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RtlEnterCriticalSection( &loader_section );
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wm = MODULE32_LookupHMODULE( hModule );
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if ( !wm )
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ret = STATUS_DLL_NOT_FOUND;
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else
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wm->ldr.Flags |= LDR_NO_DLL_CALLS;
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RtlLeaveCriticalSection( &loader_section );
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return ret;
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}
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/******************************************************************
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* LdrFindEntryForAddress (NTDLL.@)
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*
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* The loader_section must be locked while calling this function
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*/
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NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* mod)
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{
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WINE_MODREF* wm;
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for ( wm = MODULE_modref_list; wm; wm = wm->next )
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{
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if ((const void *)wm->ldr.BaseAddress <= addr &&
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(char *)addr < (char*)wm->ldr.BaseAddress + wm->ldr.SizeOfImage)
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{
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*mod = &wm->ldr;
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return STATUS_SUCCESS;
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}
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}
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return STATUS_NO_MORE_ENTRIES;
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}
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/**********************************************************************
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* MODULE_FindModule
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*
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* Find a (loaded) win32 module depending on path
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* LPCSTR path: [in] pathname of module/library to be found
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*
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* The loader_section must be locked while calling this function
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* RETURNS
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* the module handle if found
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* 0 if not
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*/
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WINE_MODREF *MODULE_FindModule(LPCSTR path)
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{
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WINE_MODREF *wm;
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char dllname[260], *p;
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/* Append .DLL to name if no extension present */
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strcpy( dllname, path );
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if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
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strcat( dllname, ".DLL" );
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for ( wm = MODULE_modref_list; wm; wm = wm->next )
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{
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if ( !FILE_strcasecmp( dllname, wm->modname ) )
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break;
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if ( !FILE_strcasecmp( dllname, wm->filename ) )
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break;
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if ( !FILE_strcasecmp( dllname, wm->short_modname ) )
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break;
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if ( !FILE_strcasecmp( dllname, wm->short_filename ) )
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break;
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}
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return wm;
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}
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|
|
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/******************************************************************
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* LdrLockLoaderLock (NTDLL.@)
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*
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* Note: flags are not implemented.
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* Flag 0x01 is used to raise exceptions on errors.
|
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* Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
|
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*/
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NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
|
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{
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if (flags) FIXME( "flags %lx not supported\n", flags );
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|
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if (result) *result = 1;
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if (!magic) return STATUS_INVALID_PARAMETER_3;
|
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RtlEnterCriticalSection( &loader_section );
|
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*magic = GetCurrentThreadId();
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return STATUS_SUCCESS;
|
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}
|
|
|
|
|
|
/******************************************************************
|
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* LdrUnlockLoaderUnlock (NTDLL.@)
|
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*/
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NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
|
|
{
|
|
if (magic)
|
|
{
|
|
if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
}
|
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return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* LdrGetDllHandle (NTDLL.@)
|
|
*
|
|
*
|
|
*/
|
|
NTSTATUS WINAPI LdrGetDllHandle(ULONG x, ULONG y, PUNICODE_STRING name, HMODULE *base)
|
|
{
|
|
WINE_MODREF *wm;
|
|
|
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TRACE("%08lx %08lx %s %p\n",
|
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x, y, name ? debugstr_wn(name->Buffer, name->Length) : NULL, base);
|
|
|
|
if (x != 0 || y != 0)
|
|
FIXME("Unknown behavior, please report\n");
|
|
|
|
/* FIXME: we should store module name information as unicode */
|
|
if (name)
|
|
{
|
|
STRING str;
|
|
|
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RtlUnicodeStringToAnsiString( &str, name, TRUE );
|
|
|
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wm = MODULE_FindModule( str.Buffer );
|
|
RtlFreeAnsiString( &str );
|
|
}
|
|
else
|
|
wm = exe_modref;
|
|
|
|
if (!wm)
|
|
{
|
|
*base = 0;
|
|
return STATUS_DLL_NOT_FOUND;
|
|
}
|
|
|
|
*base = wm->ldr.BaseAddress;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MODULE_GetProcAddress (internal)
|
|
*/
|
|
FARPROC MODULE_GetProcAddress(
|
|
HMODULE hModule, /* [in] current module handle */
|
|
LPCSTR function, /* [in] function to be looked up */
|
|
int hint,
|
|
BOOL snoop )
|
|
{
|
|
WINE_MODREF *wm;
|
|
FARPROC retproc = 0;
|
|
|
|
if (HIWORD(function))
|
|
TRACE("(%p,%s (%d))\n",hModule,function,hint);
|
|
else
|
|
TRACE("(%p,%p)\n",hModule,function);
|
|
|
|
RtlEnterCriticalSection( &loader_section );
|
|
if ((wm = MODULE32_LookupHMODULE( hModule )))
|
|
{
|
|
retproc = PE_FindExportedFunction( wm, function, hint, snoop );
|
|
}
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
return retproc;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* LdrGetProcedureAddress (NTDLL.@)
|
|
*
|
|
*
|
|
*/
|
|
NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE base, PANSI_STRING name, ULONG ord, PVOID *address)
|
|
{
|
|
WARN("%p %s %ld %p\n", base, name ? debugstr_an(name->Buffer, name->Length) : NULL, ord, address);
|
|
|
|
*address = MODULE_GetProcAddress( base, name ? name->Buffer : (LPSTR)ord, -1, TRUE );
|
|
|
|
return (*address) ? STATUS_SUCCESS : STATUS_PROCEDURE_NOT_FOUND;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* allocate_lib_dir
|
|
*
|
|
* helper for MODULE_LoadLibraryExA. Allocate space to hold the directory
|
|
* portion of the provided name and put the name in it.
|
|
*
|
|
*/
|
|
static LPCSTR allocate_lib_dir(LPCSTR libname)
|
|
{
|
|
LPCSTR p, pmax;
|
|
LPSTR result;
|
|
int length;
|
|
|
|
pmax = libname;
|
|
if ((p = strrchr( pmax, '\\' ))) pmax = p + 1;
|
|
if ((p = strrchr( pmax, '/' ))) pmax = p + 1; /* Naughty. MSDN says don't */
|
|
if (pmax == libname && pmax[0] && pmax[1] == ':') pmax += 2;
|
|
|
|
length = pmax - libname;
|
|
|
|
result = RtlAllocateHeap (ntdll_get_process_heap(), 0, length+1);
|
|
|
|
if (result)
|
|
{
|
|
strncpy (result, libname, length);
|
|
result [length] = '\0';
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MODULE_LoadLibraryExA (internal)
|
|
*
|
|
* Load a PE style module according to the load order.
|
|
*
|
|
* libdir is used to support LOAD_WITH_ALTERED_SEARCH_PATH during the recursion
|
|
* on this function. When first called from LoadLibraryExA it will be
|
|
* NULL but thereafter it may point to a buffer containing the path
|
|
* portion of the library name. Note that the recursion all occurs
|
|
* within a Critical section (see LoadLibraryExA) so the use of a
|
|
* static is acceptable.
|
|
* (We have to use a static variable at some point anyway, to pass the
|
|
* information from BUILTIN32_dlopen through dlopen and the builtin's
|
|
* init function into load_library).
|
|
* allocated_libdir is TRUE in the stack frame that allocated libdir
|
|
*/
|
|
NTSTATUS MODULE_LoadLibraryExA( LPCSTR libname, DWORD flags, WINE_MODREF** pwm)
|
|
{
|
|
int i;
|
|
enum loadorder_type loadorder[LOADORDER_NTYPES];
|
|
LPSTR filename;
|
|
const char *filetype = "";
|
|
DWORD found;
|
|
BOOL allocated_libdir = FALSE;
|
|
static LPCSTR libdir = NULL; /* See above */
|
|
NTSTATUS nts = STATUS_SUCCESS;
|
|
|
|
*pwm = NULL;
|
|
if ( !libname ) return STATUS_DLL_NOT_FOUND; /* FIXME ? */
|
|
|
|
filename = RtlAllocateHeap ( ntdll_get_process_heap(), 0, MAX_PATH + 1 );
|
|
if ( !filename ) return STATUS_NO_MEMORY;
|
|
*filename = 0; /* Just in case we don't set it before goto error */
|
|
|
|
RtlEnterCriticalSection( &loader_section );
|
|
|
|
if ((flags & LOAD_WITH_ALTERED_SEARCH_PATH) && FILE_contains_path(libname))
|
|
{
|
|
if (!(libdir = allocate_lib_dir(libname)))
|
|
{
|
|
nts = STATUS_NO_MEMORY;
|
|
goto error;
|
|
}
|
|
allocated_libdir = TRUE;
|
|
}
|
|
|
|
if (!libdir || allocated_libdir)
|
|
found = SearchPathA(NULL, libname, ".dll", MAX_PATH, filename, NULL);
|
|
else
|
|
found = DIR_SearchAlternatePath(libdir, libname, ".dll", MAX_PATH, filename, NULL);
|
|
|
|
/* build the modules filename */
|
|
if (!found)
|
|
{
|
|
if (!MODULE_GetBuiltinPath( libname, ".dll", filename, MAX_PATH ))
|
|
{
|
|
nts = STATUS_INTERNAL_ERROR;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
/* Check for already loaded module */
|
|
if (!(*pwm = MODULE_FindModule(filename)) && !FILE_contains_path(libname))
|
|
{
|
|
LPSTR fn = RtlAllocateHeap ( ntdll_get_process_heap(), 0, MAX_PATH + 1 );
|
|
if (fn)
|
|
{
|
|
/* since the default loading mechanism uses a more detailed algorithm
|
|
* than SearchPath (like using PATH, which can even be modified between
|
|
* two attempts of loading the same DLL), the look-up above (with
|
|
* SearchPath) can have put the file in system directory, whereas it
|
|
* has already been loaded but with a different path. So do a specific
|
|
* look-up with filename (without any path)
|
|
*/
|
|
strcpy ( fn, libname );
|
|
/* if the filename doesn't have an extension append .DLL */
|
|
if (!strrchr( fn, '.')) strcat( fn, ".dll" );
|
|
if ((*pwm = MODULE_FindModule( fn )) != NULL)
|
|
strcpy( filename, fn );
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, fn );
|
|
}
|
|
}
|
|
if (*pwm)
|
|
{
|
|
(*pwm)->ldr.LoadCount++;
|
|
|
|
if (((*pwm)->ldr.Flags & LDR_DONT_RESOLVE_REFS) &&
|
|
!(flags & DONT_RESOLVE_DLL_REFERENCES))
|
|
{
|
|
(*pwm)->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
|
|
PE_fixup_imports( *pwm );
|
|
}
|
|
TRACE("Already loaded module '%s' at %p, count=%d\n", filename, (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
|
|
if (allocated_libdir)
|
|
{
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, (LPSTR)libdir );
|
|
libdir = NULL;
|
|
}
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, filename );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
MODULE_GetLoadOrder( loadorder, filename, TRUE);
|
|
|
|
for (i = 0; i < LOADORDER_NTYPES; i++)
|
|
{
|
|
if (loadorder[i] == LOADORDER_INVALID) break;
|
|
|
|
switch (loadorder[i])
|
|
{
|
|
case LOADORDER_DLL:
|
|
TRACE("Trying native dll '%s'\n", filename);
|
|
nts = PE_LoadLibraryExA(filename, flags, pwm);
|
|
filetype = "native";
|
|
break;
|
|
|
|
case LOADORDER_BI:
|
|
TRACE("Trying built-in '%s'\n", filename);
|
|
nts = BUILTIN32_LoadLibraryExA(filename, flags, pwm);
|
|
filetype = "builtin";
|
|
break;
|
|
|
|
default:
|
|
nts = STATUS_INTERNAL_ERROR;
|
|
break;
|
|
}
|
|
|
|
if (nts == STATUS_SUCCESS)
|
|
{
|
|
/* Initialize DLL just loaded */
|
|
TRACE("Loaded module '%s' at %p\n", filename, (*pwm)->ldr.BaseAddress);
|
|
if (!TRACE_ON(module))
|
|
TRACE_(loaddll)("Loaded module '%s' : %s\n", filename, filetype);
|
|
/* Set the ldr.LoadCount here so that an attach failure will */
|
|
/* decrement the dependencies through the MODULE_FreeLibrary call. */
|
|
(*pwm)->ldr.LoadCount = 1;
|
|
|
|
if (allocated_libdir)
|
|
{
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, (LPSTR)libdir );
|
|
libdir = NULL;
|
|
}
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, filename );
|
|
return nts;
|
|
}
|
|
|
|
if (nts != STATUS_NO_SUCH_FILE)
|
|
{
|
|
WARN("Loading of %s DLL %s failed (status %ld).\n",
|
|
filetype, filename, nts);
|
|
break;
|
|
}
|
|
}
|
|
|
|
error:
|
|
if (allocated_libdir)
|
|
{
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, (LPSTR)libdir );
|
|
libdir = NULL;
|
|
}
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
WARN("Failed to load module '%s'; status=%ld\n", filename, nts);
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, filename );
|
|
return nts;
|
|
}
|
|
|
|
/******************************************************************
|
|
* LdrLoadDll (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags, PUNICODE_STRING libname, HMODULE* hModule)
|
|
{
|
|
WINE_MODREF *wm;
|
|
NTSTATUS nts = STATUS_SUCCESS;
|
|
STRING str;
|
|
|
|
RtlUnicodeStringToAnsiString(&str, libname, TRUE);
|
|
|
|
RtlEnterCriticalSection( &loader_section );
|
|
|
|
switch (nts = MODULE_LoadLibraryExA( str.Buffer, flags, &wm ))
|
|
{
|
|
case STATUS_SUCCESS:
|
|
if ( !MODULE_DllProcessAttach( wm, NULL ) )
|
|
{
|
|
WARN_(module)("Attach failed for module '%s'.\n", str.Buffer);
|
|
LdrUnloadDll(wm->ldr.BaseAddress);
|
|
nts = STATUS_DLL_INIT_FAILED;
|
|
wm = NULL;
|
|
}
|
|
break;
|
|
case STATUS_NO_SUCH_FILE:
|
|
nts = STATUS_DLL_NOT_FOUND;
|
|
break;
|
|
default: /* keep error code as it is (memory...) */
|
|
break;
|
|
}
|
|
|
|
*hModule = (wm) ? wm->ldr.BaseAddress : NULL;
|
|
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
|
|
RtlFreeAnsiString(&str);
|
|
|
|
return nts;
|
|
}
|
|
|
|
/******************************************************************
|
|
* LdrQueryProcessModuleInformation
|
|
*
|
|
*/
|
|
NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
|
|
ULONG buf_size, ULONG* req_size)
|
|
{
|
|
SYSTEM_MODULE* sm = &smi->Modules[0];
|
|
ULONG size = sizeof(ULONG);
|
|
NTSTATUS nts = STATUS_SUCCESS;
|
|
ANSI_STRING str;
|
|
char* ptr;
|
|
WINE_MODREF* wm;
|
|
|
|
smi->ModulesCount = 0;
|
|
|
|
RtlEnterCriticalSection( &loader_section );
|
|
for ( wm = MODULE_modref_list; wm; wm = wm->next )
|
|
{
|
|
size += sizeof(*sm);
|
|
if (size <= buf_size)
|
|
{
|
|
sm->Reserved1 = 0; /* FIXME */
|
|
sm->Reserved2 = 0; /* FIXME */
|
|
sm->ImageBaseAddress = wm->ldr.BaseAddress;
|
|
sm->ImageSize = wm->ldr.SizeOfImage;
|
|
sm->Flags = wm->ldr.Flags;
|
|
sm->Id = 0; /* FIXME */
|
|
sm->Rank = 0; /* FIXME */
|
|
sm->Unknown = 0; /* FIXME */
|
|
str.Length = 0;
|
|
str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
|
|
str.Buffer = sm->Name;
|
|
RtlUnicodeStringToAnsiString(&str, &wm->ldr.FullDllName, FALSE);
|
|
ptr = strrchr(sm->Name, '\\');
|
|
sm->NameOffset = (ptr != NULL) ? (ptr - (char*)sm->Name + 1) : 0;
|
|
|
|
smi->ModulesCount++;
|
|
sm++;
|
|
}
|
|
else nts = STATUS_INFO_LENGTH_MISMATCH;
|
|
}
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
|
|
if (req_size) *req_size = size;
|
|
|
|
return nts;
|
|
}
|
|
|
|
/******************************************************************
|
|
* LdrShutdownProcess (NTDLL.@)
|
|
*
|
|
*/
|
|
NTSTATUS WINAPI LdrShutdownProcess(void)
|
|
{
|
|
TRACE("()\n");
|
|
MODULE_DllProcessDetach( TRUE, (LPVOID)1 );
|
|
return STATUS_SUCCESS; /* FIXME */
|
|
}
|
|
|
|
/******************************************************************
|
|
* LdrShutdownThread (NTDLL.@)
|
|
*
|
|
*/
|
|
NTSTATUS WINAPI LdrShutdownThread(void)
|
|
{
|
|
WINE_MODREF *wm;
|
|
TRACE("()\n");
|
|
|
|
/* don't do any detach calls if process is exiting */
|
|
if (process_detaching) return STATUS_SUCCESS;
|
|
/* FIXME: there is still a race here */
|
|
|
|
RtlEnterCriticalSection( &loader_section );
|
|
|
|
for ( wm = MODULE_modref_list; wm; wm = wm->next )
|
|
{
|
|
if ( !(wm->ldr.Flags & LDR_PROCESS_ATTACHED) )
|
|
continue;
|
|
if ( wm->ldr.Flags & LDR_NO_DLL_CALLS )
|
|
continue;
|
|
|
|
MODULE_InitDLL( wm, DLL_THREAD_DETACH, NULL );
|
|
}
|
|
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
return STATUS_SUCCESS; /* FIXME */
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MODULE_FlushModrefs
|
|
*
|
|
* NOTE: Assumes that the process critical section is held!
|
|
*
|
|
* Remove all unused modrefs and call the internal unloading routines
|
|
* for the library type.
|
|
*/
|
|
static void MODULE_FlushModrefs(void)
|
|
{
|
|
WINE_MODREF *wm, *next;
|
|
|
|
for (wm = MODULE_modref_list; wm; wm = next)
|
|
{
|
|
next = wm->next;
|
|
|
|
if (wm->ldr.LoadCount)
|
|
continue;
|
|
|
|
/* Unlink this modref from the chain */
|
|
if (wm->next)
|
|
wm->next->prev = wm->prev;
|
|
if (wm->prev)
|
|
wm->prev->next = wm->next;
|
|
if (wm == MODULE_modref_list)
|
|
MODULE_modref_list = wm->next;
|
|
|
|
TRACE(" unloading %s\n", wm->filename);
|
|
if (!TRACE_ON(module))
|
|
TRACE_(loaddll)("Unloaded module '%s' : %s\n", wm->filename,
|
|
wm->dlhandle ? "builtin" : "native" );
|
|
|
|
SERVER_START_REQ( unload_dll )
|
|
{
|
|
req->base = wm->ldr.BaseAddress;
|
|
wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (wm->dlhandle) wine_dll_unload( wm->dlhandle );
|
|
else NtUnmapViewOfSection( GetCurrentProcess(), wm->ldr.BaseAddress );
|
|
FreeLibrary16( wm->hDummyMod );
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, wm->deps );
|
|
RtlFreeHeap( ntdll_get_process_heap(), 0, wm );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MODULE_DecRefCount
|
|
*
|
|
* NOTE: Assumes that the process critical section is held!
|
|
*/
|
|
static void MODULE_DecRefCount( WINE_MODREF *wm )
|
|
{
|
|
int i;
|
|
|
|
if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
|
|
return;
|
|
|
|
if ( wm->ldr.LoadCount <= 0 )
|
|
return;
|
|
|
|
--wm->ldr.LoadCount;
|
|
TRACE("(%s) ldr.LoadCount: %d\n", wm->modname, wm->ldr.LoadCount );
|
|
|
|
if ( wm->ldr.LoadCount == 0 )
|
|
{
|
|
wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
|
|
|
|
for ( i = 0; i < wm->nDeps; i++ )
|
|
if ( wm->deps[i] )
|
|
MODULE_DecRefCount( wm->deps[i] );
|
|
|
|
wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
|
|
}
|
|
}
|
|
|
|
/******************************************************************
|
|
* LdrUnloadDll (NTDLL.@)
|
|
*
|
|
*
|
|
*/
|
|
NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
|
|
{
|
|
NTSTATUS retv = STATUS_SUCCESS;
|
|
|
|
TRACE("(%p)\n", hModule);
|
|
|
|
RtlEnterCriticalSection( &loader_section );
|
|
|
|
/* if we're stopping the whole process (and forcing the removal of all
|
|
* DLLs) the library will be freed anyway
|
|
*/
|
|
if (!process_detaching)
|
|
{
|
|
WINE_MODREF *wm;
|
|
|
|
free_lib_count++;
|
|
if ((wm = MODULE32_LookupHMODULE( hModule )) != NULL)
|
|
{
|
|
TRACE("(%s) - START\n", wm->modname);
|
|
|
|
/* Recursively decrement reference counts */
|
|
MODULE_DecRefCount( wm );
|
|
|
|
/* Call process detach notifications */
|
|
if ( free_lib_count <= 1 )
|
|
{
|
|
MODULE_DllProcessDetach( FALSE, NULL );
|
|
MODULE_FlushModrefs();
|
|
}
|
|
|
|
TRACE("END\n");
|
|
}
|
|
else
|
|
retv = STATUS_DLL_NOT_FOUND;
|
|
|
|
free_lib_count--;
|
|
}
|
|
|
|
RtlLeaveCriticalSection( &loader_section );
|
|
|
|
return retv;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RtlImageNtHeader (NTDLL.@)
|
|
*/
|
|
PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
|
|
{
|
|
IMAGE_NT_HEADERS *ret;
|
|
|
|
__TRY
|
|
{
|
|
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
|
|
|
|
ret = NULL;
|
|
if (dos->e_magic == IMAGE_DOS_SIGNATURE)
|
|
{
|
|
ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
|
|
if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
|
|
}
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
return NULL;
|
|
}
|
|
__ENDTRY
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RtlImageDirectoryEntryToData (NTDLL.@)
|
|
*/
|
|
PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
|
|
{
|
|
const IMAGE_NT_HEADERS *nt;
|
|
DWORD addr;
|
|
|
|
if ((ULONG_PTR)module & 1) /* mapped as data file */
|
|
{
|
|
module = (HMODULE)((ULONG_PTR)module & ~1);
|
|
image = FALSE;
|
|
}
|
|
if (!(nt = RtlImageNtHeader( module ))) return NULL;
|
|
if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
|
|
if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
|
|
*size = nt->OptionalHeader.DataDirectory[dir].Size;
|
|
if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
|
|
|
|
/* not mapped as image, need to find the section containing the virtual address */
|
|
return RtlImageRvaToVa( nt, module, addr, NULL );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RtlImageRvaToSection (NTDLL.@)
|
|
*/
|
|
PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
|
|
HMODULE module, DWORD rva )
|
|
{
|
|
int i;
|
|
IMAGE_SECTION_HEADER *sec = (IMAGE_SECTION_HEADER*)((char*)&nt->OptionalHeader +
|
|
nt->FileHeader.SizeOfOptionalHeader);
|
|
for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
|
|
{
|
|
if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
|
|
return sec;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
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/***********************************************************************
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* RtlImageRvaToVa (NTDLL.@)
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*/
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PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
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DWORD rva, IMAGE_SECTION_HEADER **section )
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{
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IMAGE_SECTION_HEADER *sec;
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if (section && *section) /* try this section first */
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{
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sec = *section;
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if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
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goto found;
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}
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if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
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found:
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if (section) *section = sec;
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return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
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}
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