/* * NE modules * * Copyright 1995 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "wine/port.h" #include #include #include #include #include #ifdef HAVE_UNISTD_H # include #endif #include #include "winbase.h" #include "wine/winbase16.h" #include "wine/library.h" #include "winerror.h" #include "module.h" #include "toolhelp.h" #include "file.h" #include "task.h" #include "snoop.h" #include "builtin16.h" #include "stackframe.h" #include "excpt.h" #include "wine/exception.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(module); WINE_DECLARE_DEBUG_CHANNEL(loaddll); #include "pshpack1.h" typedef struct _GPHANDLERDEF { WORD selector; WORD rangeStart; WORD rangeEnd; WORD handler; } GPHANDLERDEF; #include "poppack.h" /* * Segment table entry */ struct ne_segment_table_entry_s { WORD seg_data_offset; /* Sector offset of segment data */ WORD seg_data_length; /* Length of segment data */ WORD seg_flags; /* Flags associated with this segment */ WORD min_alloc; /* Minimum allocation size for this */ }; #define hFirstModule (pThhook->hExeHead) static NE_MODULE *pCachedModule = 0; /* Module cached by NE_OpenFile */ static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only ); static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep ); static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only ); static HMODULE16 NE_GetModuleByFilename( LPCSTR name ); /* ### start build ### */ extern WORD CALLBACK NE_CallTo16_word_w(FARPROC16,WORD); /* ### stop build ### */ static WINE_EXCEPTION_FILTER(page_fault) { if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION || GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION) return EXCEPTION_EXECUTE_HANDLER; return EXCEPTION_CONTINUE_SEARCH; } /*********************************************************************** * NE_GetPtr */ NE_MODULE *NE_GetPtr( HMODULE16 hModule ) { return (NE_MODULE *)GlobalLock16( GetExePtr(hModule) ); } /*********************************************************************** * NE_DumpModule */ void NE_DumpModule( HMODULE16 hModule ) { int i, ordinal; SEGTABLEENTRY *pSeg; BYTE *pstr; WORD *pword; NE_MODULE *pModule; ET_BUNDLE *bundle; ET_ENTRY *entry; if (!(pModule = NE_GetPtr( hModule ))) { MESSAGE( "**** %04x is not a module handle\n", hModule ); return; } /* Dump the module info */ DPRINTF( "---\n" ); DPRINTF( "Module %04x:\n", hModule ); DPRINTF( "count=%d flags=%04x heap=%d stack=%d\n", pModule->count, pModule->flags, pModule->heap_size, pModule->stack_size ); DPRINTF( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n", pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup, pModule->seg_count, pModule->modref_count ); DPRINTF( "os_flags=%d swap_area=%d version=%04x\n", pModule->os_flags, pModule->min_swap_area, pModule->expected_version ); if (pModule->flags & NE_FFLAGS_WIN32) DPRINTF( "PE module=%p\n", pModule->module32 ); /* Dump the file info */ DPRINTF( "---\n" ); DPRINTF( "Filename: '%s'\n", NE_MODULE_NAME(pModule) ); /* Dump the segment table */ DPRINTF( "---\n" ); DPRINTF( "Segment table:\n" ); pSeg = NE_SEG_TABLE( pModule ); for (i = 0; i < pModule->seg_count; i++, pSeg++) DPRINTF( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n", i + 1, pSeg->filepos, pSeg->size, pSeg->flags, pSeg->minsize, pSeg->hSeg ); /* Dump the resource table */ DPRINTF( "---\n" ); DPRINTF( "Resource table:\n" ); if (pModule->res_table) { pword = (WORD *)((BYTE *)pModule + pModule->res_table); DPRINTF( "Alignment: %d\n", *pword++ ); while (*pword) { NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword; NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1); DPRINTF( "id=%04x count=%d\n", ptr->type_id, ptr->count ); for (i = 0; i < ptr->count; i++, pname++) DPRINTF( "offset=%d len=%d id=%04x\n", pname->offset, pname->length, pname->id ); pword = (WORD *)pname; } } else DPRINTF( "None\n" ); /* Dump the resident name table */ DPRINTF( "---\n" ); DPRINTF( "Resident-name table:\n" ); pstr = (char *)pModule + pModule->name_table; while (*pstr) { DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1, *(WORD *)(pstr + *pstr + 1) ); pstr += *pstr + 1 + sizeof(WORD); } /* Dump the module reference table */ DPRINTF( "---\n" ); DPRINTF( "Module ref table:\n" ); if (pModule->modref_table) { pword = (WORD *)((BYTE *)pModule + pModule->modref_table); for (i = 0; i < pModule->modref_count; i++, pword++) { char name[10]; GetModuleName16( *pword, name, sizeof(name) ); DPRINTF( "%d: %04x -> '%s'\n", i, *pword, name ); } } else DPRINTF( "None\n" ); /* Dump the entry table */ DPRINTF( "---\n" ); DPRINTF( "Entry table:\n" ); bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->entry_table); do { entry = (ET_ENTRY *)((BYTE *)bundle+6); DPRINTF( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type); ordinal = bundle->first; while (ordinal < bundle->last) { if (entry->type == 0xff) DPRINTF("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs); else DPRINTF("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs); entry++; } } while ( (bundle->next) && (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) ); /* Dump the non-resident names table */ DPRINTF( "---\n" ); DPRINTF( "Non-resident names table:\n" ); if (pModule->nrname_handle) { pstr = (char *)GlobalLock16( pModule->nrname_handle ); while (*pstr) { DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1, *(WORD *)(pstr + *pstr + 1) ); pstr += *pstr + 1 + sizeof(WORD); } } DPRINTF( "\n" ); } /*********************************************************************** * NE_WalkModules * * Walk the module list and print the modules. */ void NE_WalkModules(void) { HMODULE16 hModule = hFirstModule; MESSAGE( "Module Flags Name\n" ); while (hModule) { NE_MODULE *pModule = NE_GetPtr( hModule ); if (!pModule) { MESSAGE( "Bad module %04x in list\n", hModule ); return; } MESSAGE( " %04x %04x %.*s\n", hModule, pModule->flags, *((char *)pModule + pModule->name_table), (char *)pModule + pModule->name_table + 1 ); hModule = pModule->next; } } /********************************************************************** * NE_RegisterModule */ void NE_RegisterModule( NE_MODULE *pModule ) { pModule->next = hFirstModule; hFirstModule = pModule->self; } /*********************************************************************** * NE_InitResourceHandler * * Fill in 'resloader' fields in the resource table. */ void NE_InitResourceHandler( NE_MODULE *pModule ) { static FARPROC16 proc; NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2); TRACE("InitResourceHandler[%04x]\n", pModule->self ); if (!proc) proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" ); while(pTypeInfo->type_id) { memcpy_unaligned( &pTypeInfo->resloader, &proc, sizeof(FARPROC16) ); pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo + 1) + pTypeInfo->count * sizeof(NE_NAMEINFO)); } } /*********************************************************************** * NE_GetOrdinal * * Lookup the ordinal for a given name. */ WORD NE_GetOrdinal( HMODULE16 hModule, const char *name ) { unsigned char buffer[256], *cpnt; BYTE len; NE_MODULE *pModule; if (!(pModule = NE_GetPtr( hModule ))) return 0; if (pModule->flags & NE_FFLAGS_WIN32) return 0; TRACE("(%04x,'%s')\n", hModule, name ); /* First handle names of the form '#xxxx' */ if (name[0] == '#') return atoi( name + 1 ); /* Now copy and uppercase the string */ strcpy( buffer, name ); for (cpnt = buffer; *cpnt; cpnt++) *cpnt = FILE_toupper(*cpnt); len = cpnt - buffer; /* First search the resident names */ cpnt = (char *)pModule + pModule->name_table; /* Skip the first entry (module name) */ cpnt += *cpnt + 1 + sizeof(WORD); while (*cpnt) { if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len )) { WORD ordinal; memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) ); TRACE(" Found: ordinal=%d\n", ordinal ); return ordinal; } cpnt += *cpnt + 1 + sizeof(WORD); } /* Now search the non-resident names table */ if (!pModule->nrname_handle) return 0; /* No non-resident table */ cpnt = (char *)GlobalLock16( pModule->nrname_handle ); /* Skip the first entry (module description string) */ cpnt += *cpnt + 1 + sizeof(WORD); while (*cpnt) { if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len )) { WORD ordinal; memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) ); TRACE(" Found: ordinal=%d\n", ordinal ); return ordinal; } cpnt += *cpnt + 1 + sizeof(WORD); } return 0; } /*********************************************************************** * EntryAddrProc (KERNEL.667) Wine-specific export * * Return the entry point for a given ordinal. */ FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal ) { FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE ); CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */ return ret; } /*********************************************************************** * NE_GetEntryPoint */ FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal ) { return NE_GetEntryPointEx( hModule, ordinal, TRUE ); } /*********************************************************************** * NE_GetEntryPointEx */ FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop ) { NE_MODULE *pModule; WORD sel, offset, i; ET_ENTRY *entry; ET_BUNDLE *bundle; if (!(pModule = NE_GetPtr( hModule ))) return 0; assert( !(pModule->flags & NE_FFLAGS_WIN32) ); bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table); while ((ordinal < bundle->first + 1) || (ordinal > bundle->last)) { if (!(bundle->next)) return 0; bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next); } entry = (ET_ENTRY *)((BYTE *)bundle+6); for (i=0; i < (ordinal - bundle->first - 1); i++) entry++; sel = entry->segnum; memcpy( &offset, &entry->offs, sizeof(WORD) ); if (sel == 0xfe) sel = 0xffff; /* constant entry */ else sel = GlobalHandleToSel16(NE_SEG_TABLE(pModule)[sel-1].hSeg); if (sel==0xffff) return (FARPROC16)MAKESEGPTR( sel, offset ); if (!snoop) return (FARPROC16)MAKESEGPTR( sel, offset ); else return (FARPROC16)SNOOP16_GetProcAddress16(hModule,ordinal,(FARPROC16)MAKESEGPTR( sel, offset )); } /*********************************************************************** * NE_SetEntryPoint * * Change the value of an entry point. Use with caution! * It can only change the offset value, not the selector. */ BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset ) { NE_MODULE *pModule; ET_ENTRY *entry; ET_BUNDLE *bundle; int i; if (!(pModule = NE_GetPtr( hModule ))) return FALSE; assert( !(pModule->flags & NE_FFLAGS_WIN32) ); bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table); while ((ordinal < bundle->first + 1) || (ordinal > bundle->last)) { bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next); if (!(bundle->next)) return 0; } entry = (ET_ENTRY *)((BYTE *)bundle+6); for (i=0; i < (ordinal - bundle->first - 1); i++) entry++; memcpy( &entry->offs, &offset, sizeof(WORD) ); return TRUE; } /*********************************************************************** * NE_OpenFile */ HANDLE NE_OpenFile( NE_MODULE *pModule ) { HANDLE handle; char *name; TRACE("(%p)\n", pModule ); /* mjm - removed module caching because it keeps open file handles thus preventing CDROMs from being ejected */ name = NE_MODULE_NAME( pModule ); if ((handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE) MESSAGE( "Can't open file '%s' for module %04x\n", name, pModule->self ); TRACE("opened '%s' -> %p\n", name, handle); return handle; } /* wrapper for SetFilePointer and ReadFile */ static BOOL read_data( HANDLE handle, LONG offset, void *buffer, DWORD size ) { DWORD result; if (SetFilePointer( handle, offset, NULL, SEEK_SET ) == INVALID_SET_FILE_POINTER) return FALSE; if (!ReadFile( handle, buffer, size, &result, NULL )) return FALSE; return (result == size); } /*********************************************************************** * NE_LoadExeHeader */ static HMODULE16 NE_LoadExeHeader( HANDLE handle, LPCSTR path ) { IMAGE_DOS_HEADER mz_header; IMAGE_OS2_HEADER ne_header; int size; HMODULE16 hModule; NE_MODULE *pModule; BYTE *pData, *pTempEntryTable; char *buffer, *fastload = NULL; int fastload_offset = 0, fastload_length = 0; ET_ENTRY *entry; ET_BUNDLE *bundle, *oldbundle; OFSTRUCT *ofs; /* Read a block from either the file or the fast-load area. */ #define READ(offset,size,buffer) \ ((fastload && ((offset) >= fastload_offset) && \ ((offset)+(size) <= fastload_offset+fastload_length)) ? \ (memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \ read_data( handle, (offset), (buffer), (size))) if (!read_data( handle, 0, &mz_header, sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE)) return (HMODULE16)11; /* invalid exe */ if (!read_data( handle, mz_header.e_lfanew, &ne_header, sizeof(ne_header) )) return (HMODULE16)11; /* invalid exe */ if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */ if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) { MESSAGE("Sorry, this is an OS/2 linear executable (LX) file !\n"); return (HMODULE16)12; } if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */ /* We now have a valid NE header */ size = sizeof(NE_MODULE) + /* segment table */ ne_header.ne_cseg * sizeof(SEGTABLEENTRY) + /* resource table */ ne_header.ne_restab - ne_header.ne_rsrctab + /* resident names table */ ne_header.ne_modtab - ne_header.ne_restab + /* module ref table */ ne_header.ne_cmod * sizeof(WORD) + /* imported names table */ ne_header.ne_enttab - ne_header.ne_imptab + /* entry table length */ ne_header.ne_cbenttab + /* entry table extra conversion space */ sizeof(ET_BUNDLE) + 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6) + /* loaded file info */ sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1; hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size ); if (!hModule) return (HMODULE16)11; /* invalid exe */ FarSetOwner16( hModule, hModule ); pModule = (NE_MODULE *)GlobalLock16( hModule ); memcpy( pModule, &ne_header, sizeof(ne_header) ); pModule->count = 0; /* check *programs* for default minimal stack size */ if ( (!(pModule->flags & NE_FFLAGS_LIBMODULE)) && (pModule->stack_size < 0x1400) ) pModule->stack_size = 0x1400; pModule->module32 = 0; pModule->self = hModule; pModule->self_loading_sel = 0; pData = (BYTE *)(pModule + 1); /* Clear internal Wine flags in case they are set in the EXE file */ pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32); /* Read the fast-load area */ if (ne_header.ne_flagsothers & NE_AFLAGS_FASTLOAD) { fastload_offset=ne_header.ne_pretthunks << ne_header.ne_align; fastload_length=ne_header.ne_psegrefbytes << ne_header.ne_align; TRACE("Using fast-load area offset=%x len=%d\n", fastload_offset, fastload_length ); if ((fastload = HeapAlloc( GetProcessHeap(), 0, fastload_length )) != NULL) { if (!read_data( handle, fastload_offset, fastload, fastload_length)) { HeapFree( GetProcessHeap(), 0, fastload ); WARN("Error reading fast-load area!\n"); fastload = NULL; } } } /* Get the segment table */ pModule->seg_table = pData - (BYTE *)pModule; buffer = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s)); if (buffer) { int i; struct ne_segment_table_entry_s *pSeg; if (!READ( mz_header.e_lfanew + ne_header.ne_segtab, ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s), buffer )) { HeapFree( GetProcessHeap(), 0, buffer ); if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } pSeg = (struct ne_segment_table_entry_s *)buffer; for (i = ne_header.ne_cseg; i > 0; i--, pSeg++) { memcpy( pData, pSeg, sizeof(*pSeg) ); pData += sizeof(SEGTABLEENTRY); } HeapFree( GetProcessHeap(), 0, buffer ); } else { if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } /* Get the resource table */ if (ne_header.ne_rsrctab < ne_header.ne_restab) { pModule->res_table = pData - (BYTE *)pModule; if (!READ(mz_header.e_lfanew + ne_header.ne_rsrctab, ne_header.ne_restab - ne_header.ne_rsrctab, pData )) return (HMODULE16)11; /* invalid exe */ pData += ne_header.ne_restab - ne_header.ne_rsrctab; NE_InitResourceHandler( pModule ); } else pModule->res_table = 0; /* No resource table */ /* Get the resident names table */ pModule->name_table = pData - (BYTE *)pModule; if (!READ( mz_header.e_lfanew + ne_header.ne_restab, ne_header.ne_modtab - ne_header.ne_restab, pData )) { if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } pData += ne_header.ne_modtab - ne_header.ne_restab; /* Get the module references table */ if (ne_header.ne_cmod > 0) { pModule->modref_table = pData - (BYTE *)pModule; if (!READ( mz_header.e_lfanew + ne_header.ne_modtab, ne_header.ne_cmod * sizeof(WORD), pData )) { if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } pData += ne_header.ne_cmod * sizeof(WORD); } else pModule->modref_table = 0; /* No module references */ /* Get the imported names table */ pModule->import_table = pData - (BYTE *)pModule; if (!READ( mz_header.e_lfanew + ne_header.ne_imptab, ne_header.ne_enttab - ne_header.ne_imptab, pData )) { if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } pData += ne_header.ne_enttab - ne_header.ne_imptab; /* Load entry table, convert it to the optimized version used by Windows */ if ((pTempEntryTable = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cbenttab)) != NULL) { BYTE nr_entries, type, *s; TRACE("Converting entry table.\n"); pModule->entry_table = pData - (BYTE *)pModule; if (!READ( mz_header.e_lfanew + ne_header.ne_enttab, ne_header.ne_cbenttab, pTempEntryTable )) { HeapFree( GetProcessHeap(), 0, pTempEntryTable ); if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } s = pTempEntryTable; TRACE("entry table: offs %04x, len %04x, entries %d\n", ne_header.ne_enttab, ne_header.ne_cbenttab, *s); bundle = (ET_BUNDLE *)pData; TRACE("first bundle: %p\n", bundle); memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */ entry = (ET_ENTRY *)((BYTE *)bundle+6); while ((nr_entries = *s++)) { if ((type = *s++)) { bundle->last += nr_entries; if (type == 0xff) while (nr_entries--) { entry->type = type; entry->flags = *s++; s += 2; entry->segnum = *s++; entry->offs = *(WORD *)s; s += 2; /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/ entry++; } else while (nr_entries--) { entry->type = type; entry->flags = *s++; entry->segnum = type; entry->offs = *(WORD *)s; s += 2; /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/ entry++; } } else { if (bundle->first == bundle->last) { bundle->first += nr_entries; bundle->last += nr_entries; } else { oldbundle = bundle; oldbundle->next = ((int)entry - (int)pModule); bundle = (ET_BUNDLE *)entry; TRACE("new bundle: %p\n", bundle); bundle->first = bundle->last = oldbundle->last + nr_entries; bundle->next = 0; (BYTE *)entry += sizeof(ET_BUNDLE); } } } HeapFree( GetProcessHeap(), 0, pTempEntryTable ); } else { if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } pData += ne_header.ne_cbenttab + sizeof(ET_BUNDLE) + 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6); if ((DWORD)entry > (DWORD)pData) ERR("converted entry table bigger than reserved space !!!\nentry: %p, pData: %p. Please report !\n", entry, pData); /* Store the filename information */ pModule->fileinfo = pData - (BYTE *)pModule; size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1; ofs = (OFSTRUCT *)pData; ofs->cBytes = size - 1; ofs->fFixedDisk = 1; strcpy( ofs->szPathName, path ); pData += size; /* Free the fast-load area */ #undef READ if (fastload) HeapFree( GetProcessHeap(), 0, fastload ); /* Get the non-resident names table */ if (ne_header.ne_cbnrestab) { pModule->nrname_handle = GlobalAlloc16( 0, ne_header.ne_cbnrestab ); if (!pModule->nrname_handle) { GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } FarSetOwner16( pModule->nrname_handle, hModule ); buffer = GlobalLock16( pModule->nrname_handle ); if (!read_data( handle, ne_header.ne_nrestab, buffer, ne_header.ne_cbnrestab )) { GlobalFree16( pModule->nrname_handle ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } } else pModule->nrname_handle = 0; /* Allocate a segment for the implicitly-loaded DLLs */ if (pModule->modref_count) { pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT, (pModule->modref_count+1)*sizeof(HMODULE16) ); if (!pModule->dlls_to_init) { if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle ); GlobalFree16( hModule ); return (HMODULE16)11; /* invalid exe */ } FarSetOwner16( pModule->dlls_to_init, hModule ); } else pModule->dlls_to_init = 0; NE_RegisterModule( pModule ); SNOOP16_RegisterDLL(pModule,path); return hModule; } /*********************************************************************** * NE_LoadDLLs * * Load all DLLs implicitly linked to a module. */ static BOOL NE_LoadDLLs( NE_MODULE *pModule ) { int i; WORD *pModRef = (WORD *)((char *)pModule + pModule->modref_table); WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init ); for (i = 0; i < pModule->modref_count; i++, pModRef++) { char buffer[260], *p; BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef; memcpy( buffer, pstr + 1, *pstr ); *(buffer + *pstr) = 0; /* terminate it */ TRACE("Loading '%s'\n", buffer ); if (!(*pModRef = GetModuleHandle16( buffer ))) { /* If the DLL is not loaded yet, load it and store */ /* its handle in the list of DLLs to initialize. */ HMODULE16 hDLL; /* Append .DLL to name if no extension present */ if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\')) strcat( buffer, ".DLL" ); if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32) { /* FIXME: cleanup what was done */ MESSAGE( "Could not load '%s' required by '%.*s', error=%d\n", buffer, *((BYTE*)pModule + pModule->name_table), (char *)pModule + pModule->name_table + 1, hDLL ); return FALSE; } *pModRef = GetExePtr( hDLL ); *pDLLs++ = *pModRef; } else /* Increment the reference count of the DLL */ { NE_MODULE *pOldDLL; pOldDLL = NE_GetPtr( *pModRef ); if (pOldDLL) pOldDLL->count++; } } return TRUE; } /********************************************************************** * NE_DoLoadModule * * Load first instance of NE module from file. * * pModule must point to a module structure prepared by NE_LoadExeHeader. * This routine must never be called twice on a module. * */ static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule ) { /* Allocate the segments for this module */ if (!NE_CreateAllSegments( pModule )) return ERROR_NOT_ENOUGH_MEMORY; /* 8 */ /* Load the referenced DLLs */ if (!NE_LoadDLLs( pModule )) return ERROR_FILE_NOT_FOUND; /* 2 */ /* Load the segments */ NE_LoadAllSegments( pModule ); /* Make sure the usage count is 1 on the first loading of */ /* the module, even if it contains circular DLL references */ pModule->count = 1; return NE_GetInstance( pModule ); } /********************************************************************** * NE_LoadModule * * Load first instance of NE module. (Note: caller is responsible for * ensuring the module isn't already loaded!) * * If the module turns out to be an executable module, only a * handle to a module stub is returned; this needs to be initialized * by calling NE_DoLoadModule later, in the context of the newly * created process. * * If lib_only is TRUE, however, the module is perforce treated * like a DLL module, even if it is an executable module. * */ static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only ) { NE_MODULE *pModule; HMODULE16 hModule; HINSTANCE16 hInstance; HFILE16 hFile; OFSTRUCT ofs; /* Open file */ if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16) return (HMODULE16)2; /* File not found */ hModule = NE_LoadExeHeader( DosFileHandleToWin32Handle(hFile), ofs.szPathName ); _lclose16( hFile ); if (hModule < 32) return hModule; pModule = NE_GetPtr( hModule ); if ( !pModule ) return hModule; if ( !lib_only && !( pModule->flags & NE_FFLAGS_LIBMODULE ) ) return hModule; hInstance = NE_DoLoadModule( pModule ); if ( hInstance < 32 ) { /* cleanup ... */ NE_FreeModule( hModule, 0 ); } return hInstance; } /********************************************************************** * MODULE_LoadModule16 * * Load a NE module in the order of the loadorder specification. * The caller is responsible that the module is not loaded already. * */ static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only ) { HINSTANCE16 hinst = 2; enum loadorder_type loadorder[LOADORDER_NTYPES]; int i; const char *filetype = ""; MODULE_GetLoadOrder(loadorder, libname, FALSE); 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", libname); hinst = NE_LoadModule(libname, lib_only); filetype = "native"; break; case LOADORDER_BI: TRACE("Trying built-in '%s'\n", libname); hinst = BUILTIN_LoadModule(libname); filetype = "builtin"; break; default: hinst = 2; break; } if(hinst >= 32) { TRACE_(loaddll)("Loaded module '%s' : %s\n", libname, filetype); if(!implicit) { HMODULE16 hModule; NE_MODULE *pModule; hModule = GetModuleHandle16(libname); if(!hModule) { ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n", libname, hinst); return 6; /* ERROR_INVALID_HANDLE seems most appropriate */ } pModule = NE_GetPtr(hModule); if(!pModule) { ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n", libname, hinst); return 6; /* ERROR_INVALID_HANDLE seems most appropriate */ } TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst); /* * Call initialization routines for all loaded DLLs. Note that * when we load implicitly linked DLLs this will be done by InitTask(). */ if(pModule->flags & NE_FFLAGS_LIBMODULE) { NE_InitializeDLLs(hModule); NE_DllProcessAttach(hModule); } } return hinst; } if(hinst != 2) { /* We quit searching when we get another error than 'File not found' */ break; } } return hinst; /* The last error that occurred */ } /********************************************************************** * NE_CreateThread * * Create the thread for a 16-bit module. */ static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline ) { HANDLE hThread; TDB *pTask; HTASK16 hTask; HINSTANCE16 instance = 0; if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread ))) return 0; /* Post event to start the task */ PostEvent16( hTask ); /* Wait until we get the instance handle */ do { DirectedYield16( hTask ); if (!IsTask16( hTask )) /* thread has died */ { DWORD exit_code; WaitForSingleObject( hThread, INFINITE ); GetExitCodeThread( hThread, &exit_code ); CloseHandle( hThread ); return exit_code; } if (!(pTask = TASK_GetPtr( hTask ))) break; instance = pTask->hInstance; GlobalUnlock16( hTask ); } while (!instance); CloseHandle( hThread ); return instance; } /********************************************************************** * LoadModule (KERNEL.45) */ HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock ) { BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1); LOADPARAMS16 *params; HMODULE16 hModule; NE_MODULE *pModule; LPSTR cmdline; WORD cmdShow; /* Load module */ if ( (hModule = NE_GetModuleByFilename(name) ) != 0 ) { /* Special case: second instance of an already loaded NE module */ if ( !( pModule = NE_GetPtr( hModule ) ) ) return (HINSTANCE16)11; if ( pModule->module32 ) return (HINSTANCE16)21; /* Increment refcount */ pModule->count++; } else { /* Main case: load first instance of NE module */ if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 ) return hModule; if ( !(pModule = NE_GetPtr( hModule )) ) return (HINSTANCE16)11; } /* If library module, we just retrieve the instance handle */ if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only ) return NE_GetInstance( pModule ); /* * At this point, we need to create a new process. * * pModule points either to an already loaded module, whose refcount * has already been incremented (to avoid having the module vanish * in the meantime), or else to a stub module which contains only header * information. */ params = (LOADPARAMS16 *)paramBlock; cmdShow = ((WORD *)MapSL(params->showCmd))[1]; cmdline = MapSL( params->cmdLine ); return NE_CreateThread( pModule, cmdShow, cmdline ); } /********************************************************************** * NE_StartTask * * Startup code for a new 16-bit task. */ DWORD NE_StartTask(void) { TDB *pTask = TASK_GetCurrent(); NE_MODULE *pModule = NE_GetPtr( pTask->hModule ); HINSTANCE16 hInstance, hPrevInstance; SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule ); WORD sp; if ( pModule->count > 0 ) { /* Second instance of an already loaded NE module */ /* Note that the refcount was already incremented by the parent */ hPrevInstance = NE_GetInstance( pModule ); if ( pModule->dgroup ) if ( NE_CreateSegment( pModule, pModule->dgroup ) ) NE_LoadSegment( pModule, pModule->dgroup ); hInstance = NE_GetInstance( pModule ); TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance); } else { /* Load first instance of NE module */ pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */ hInstance = NE_DoLoadModule( pModule ); hPrevInstance = 0; } if ( hInstance >= 32 ) { CONTEXT86 context; /* Enter instance handles into task struct */ pTask->hInstance = hInstance; pTask->hPrevInstance = hPrevInstance; /* Use DGROUP for 16-bit stack */ if (!(sp = pModule->sp)) sp = pSegTable[pModule->ss-1].minsize + pModule->stack_size; sp &= ~1; sp -= sizeof(STACK16FRAME); pTask->teb->cur_stack = MAKESEGPTR( GlobalHandleToSel16(hInstance), sp ); /* Registers at initialization must be: * ax zero * bx stack size in bytes * cx heap size in bytes * si previous app instance * di current app instance * bp zero * es selector to the PSP * ds dgroup of the application * ss stack selector * sp top of the stack */ memset( &context, 0, sizeof(context) ); context.SegCs = GlobalHandleToSel16(pSegTable[pModule->cs - 1].hSeg); context.SegDs = GlobalHandleToSel16(pTask->hInstance); context.SegEs = pTask->hPDB; context.Eip = pModule->ip; context.Ebx = pModule->stack_size; context.Ecx = pModule->heap_size; context.Edi = pTask->hInstance; context.Esi = pTask->hPrevInstance; /* Now call 16-bit entry point */ TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n", context.SegCs, context.Eip, context.SegDs, SELECTOROF(pTask->teb->cur_stack), OFFSETOF(pTask->teb->cur_stack) ); wine_call_to_16_regs_short( &context, 0 ); ExitThread( LOWORD(context.Eax) ); } return hInstance; /* error code */ } /*********************************************************************** * LoadLibrary (KERNEL.95) * LoadLibrary16 (KERNEL32.35) */ HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname ) { return LoadModule16(libname, (LPVOID)-1 ); } /********************************************************************** * MODULE_CallWEP * * Call a DLL's WEP, allowing it to shut down. * FIXME: we always pass the WEP WEP_FREE_DLL, never WEP_SYSTEM_EXIT */ static BOOL16 MODULE_CallWEP( HMODULE16 hModule ) { BOOL16 ret; FARPROC16 WEP = GetProcAddress16( hModule, "WEP" ); if (!WEP) return FALSE; __TRY { ret = NE_CallTo16_word_w( WEP, WEP_FREE_DLL ); } __EXCEPT(page_fault) { WARN("Page fault\n"); ret = 0; } __ENDTRY return ret; } /********************************************************************** * NE_FreeModule * * Implementation of FreeModule16(). */ static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep ) { HMODULE16 *hPrevModule; NE_MODULE *pModule; HMODULE16 *pModRef; int i; if (!(pModule = NE_GetPtr( hModule ))) return FALSE; hModule = pModule->self; TRACE("%04x count %d\n", hModule, pModule->count ); if (((INT16)(--pModule->count)) > 0 ) return TRUE; else pModule->count = 0; if (pModule->flags & NE_FFLAGS_BUILTIN) return FALSE; /* Can't free built-in module */ if (call_wep && !(pModule->flags & NE_FFLAGS_WIN32)) { /* Free the objects owned by the DLL module */ NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD ); if (pModule->flags & NE_FFLAGS_LIBMODULE) MODULE_CallWEP( hModule ); else call_wep = FALSE; /* We are freeing a task -> no more WEPs */ } /* Clear magic number just in case */ pModule->magic = pModule->self = 0; /* Remove it from the linked list */ hPrevModule = &hFirstModule; while (*hPrevModule && (*hPrevModule != hModule)) { hPrevModule = &(NE_GetPtr( *hPrevModule ))->next; } if (*hPrevModule) *hPrevModule = pModule->next; /* Free the referenced modules */ pModRef = (HMODULE16*)NE_MODULE_TABLE( pModule ); for (i = 0; i < pModule->modref_count; i++, pModRef++) { NE_FreeModule( *pModRef, call_wep ); } /* Free the module storage */ GlobalFreeAll16( hModule ); /* Remove module from cache */ if (pCachedModule == pModule) pCachedModule = NULL; return TRUE; } /********************************************************************** * FreeModule (KERNEL.46) */ BOOL16 WINAPI FreeModule16( HMODULE16 hModule ) { return NE_FreeModule( hModule, TRUE ); } /*********************************************************************** * FreeLibrary (KERNEL.96) * FreeLibrary16 (KERNEL32.36) */ void WINAPI FreeLibrary16( HINSTANCE16 handle ) { TRACE("%04x\n", handle ); FreeModule16( handle ); } /********************************************************************** * GetModuleName (KERNEL.27) */ BOOL16 WINAPI GetModuleName16( HINSTANCE16 hinst, LPSTR buf, INT16 count ) { NE_MODULE *pModule; BYTE *p; if (!(pModule = NE_GetPtr( hinst ))) return FALSE; p = (BYTE *)pModule + pModule->name_table; if (count > *p) count = *p + 1; if (count > 0) { memcpy( buf, p + 1, count - 1 ); buf[count-1] = '\0'; } return TRUE; } /********************************************************************** * GetModuleUsage (KERNEL.48) */ INT16 WINAPI GetModuleUsage16( HINSTANCE16 hModule ) { NE_MODULE *pModule = NE_GetPtr( hModule ); return pModule ? pModule->count : 0; } /********************************************************************** * GetExpWinVer (KERNEL.167) */ WORD WINAPI GetExpWinVer16( HMODULE16 hModule ) { NE_MODULE *pModule = NE_GetPtr( hModule ); if ( !pModule ) return 0; /* * For built-in modules, fake the expected version the module should * have according to the Windows version emulated by Wine */ if ( !pModule->expected_version ) { OSVERSIONINFOA versionInfo; versionInfo.dwOSVersionInfoSize = sizeof(versionInfo); if ( GetVersionExA( &versionInfo ) ) pModule->expected_version = (versionInfo.dwMajorVersion & 0xff) << 8 | (versionInfo.dwMinorVersion & 0xff); } return pModule->expected_version; } /********************************************************************** * GetModuleFileName (KERNEL.49) * * Comment: see GetModuleFileNameA * * Even if invoked by second instance of a program, * it still returns path of first one. */ INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName, INT16 nSize ) { NE_MODULE *pModule; /* Win95 does not query hModule if set to 0 ! * Is this wrong or maybe Win3.1 only ? */ if (!hModule) hModule = GetCurrentTask(); if (!(pModule = NE_GetPtr( hModule ))) return 0; lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize ); if (pModule->expected_version >= 0x400) GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize); TRACE("%04x -> '%s'\n", hModule, lpFileName ); return strlen(lpFileName); } /*********************************************************************** * WinExec (KERNEL.166) */ HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow ) { LPCSTR p, args = NULL; LPCSTR name_beg, name_end; LPSTR name, cmdline; int arglen; HINSTANCE16 ret; char buffer[MAX_PATH]; if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */ { name_beg = lpCmdLine+1; p = strchr ( lpCmdLine+1, '"' ); if (p) { name_end = p; args = strchr ( p, ' ' ); } else /* yes, even valid with trailing '"' missing */ name_end = lpCmdLine+strlen(lpCmdLine); } else { name_beg = lpCmdLine; args = strchr( lpCmdLine, ' ' ); name_end = args ? args : lpCmdLine+strlen(lpCmdLine); } if ((name_beg == lpCmdLine) && (!args)) { /* just use the original cmdline string as file name */ name = (LPSTR)lpCmdLine; } else { if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 ))) return ERROR_NOT_ENOUGH_MEMORY; memcpy( name, name_beg, name_end - name_beg ); name[name_end - name_beg] = '\0'; } if (args) { args++; arglen = strlen(args); cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen ); cmdline[0] = (BYTE)arglen; strcpy( cmdline + 1, args ); } else { cmdline = HeapAlloc( GetProcessHeap(), 0, 2 ); cmdline[0] = cmdline[1] = 0; } TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]); if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL )) { LOADPARAMS16 params; WORD showCmd[2]; showCmd[0] = 2; showCmd[1] = nCmdShow; params.hEnvironment = 0; params.cmdLine = MapLS( cmdline ); params.showCmd = MapLS( showCmd ); params.reserved = 0; ret = LoadModule16( buffer, ¶ms ); UnMapLS( params.cmdLine ); UnMapLS( params.showCmd ); } else ret = GetLastError(); HeapFree( GetProcessHeap(), 0, cmdline ); if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name ); if (ret == 21) /* 32-bit module */ { DWORD count; ReleaseThunkLock( &count ); ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) ); RestoreThunkLock( count ); } return ret; } /********************************************************************** * GetModuleHandle (KERNEL.47) * * Find a module from a module name. * * NOTE: The current implementation works the same way the Windows 95 one * does. Do not try to 'fix' it, fix the callers. * + It does not do ANY extension handling (except that strange .EXE bit)! * + It does not care about paths, just about basenames. (same as Windows) * * RETURNS * LOWORD: * the win16 module handle if found * 0 if not * HIWORD (undocumented, see "Undocumented Windows", chapter 5): * Always hFirstModule */ DWORD WINAPI WIN16_GetModuleHandle( SEGPTR name ) { if (HIWORD(name) == 0) return MAKELONG(GetExePtr( (HINSTANCE16)name), hFirstModule ); return MAKELONG(GetModuleHandle16( MapSL(name)), hFirstModule ); } /*********************************************************************** * GetModuleHandle16 (KERNEL32.@) */ HMODULE16 WINAPI GetModuleHandle16( LPCSTR name ) { HMODULE16 hModule = hFirstModule; LPSTR s; BYTE len, *name_table; char tmpstr[MAX_PATH]; NE_MODULE *pModule; TRACE("(%s)\n", name); if (!HIWORD(name)) return GetExePtr(LOWORD(name)); len = strlen(name); if (!len) return 0; lstrcpynA(tmpstr, name, sizeof(tmpstr)); /* If 'name' matches exactly the module name of a module: * Return its handle. */ for (hModule = hFirstModule; hModule ; hModule = pModule->next) { pModule = NE_GetPtr( hModule ); if (!pModule) break; if (pModule->flags & NE_FFLAGS_WIN32) continue; name_table = (BYTE *)pModule + pModule->name_table; if ((*name_table == len) && !strncmp(name, name_table+1, len)) return hModule; } /* If uppercased 'name' matches exactly the module name of a module: * Return its handle */ for (s = tmpstr; *s; s++) *s = FILE_toupper(*s); for (hModule = hFirstModule; hModule ; hModule = pModule->next) { pModule = NE_GetPtr( hModule ); if (!pModule) break; if (pModule->flags & NE_FFLAGS_WIN32) continue; name_table = (BYTE *)pModule + pModule->name_table; /* FIXME: the strncasecmp is WRONG. It should not be case insensitive, * but case sensitive! (Unfortunately Winword 6 and subdlls have * lowercased module names, but try to load uppercase DLLs, so this * 'i' compare is just a quickfix until the loader handles that * correctly. -MM 990705 */ if ((*name_table == len) && !FILE_strncasecmp(tmpstr, name_table+1, len)) return hModule; } /* If the base filename of 'name' matches the base filename of the module * filename of some module (case-insensitive compare): * Return its handle. */ /* basename: search backwards in passed name to \ / or : */ s = tmpstr + strlen(tmpstr); while (s > tmpstr) { if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':') break; s--; } /* search this in loaded filename list */ for (hModule = hFirstModule; hModule ; hModule = pModule->next) { char *loadedfn; OFSTRUCT *ofs; pModule = NE_GetPtr( hModule ); if (!pModule) break; if (!pModule->fileinfo) continue; if (pModule->flags & NE_FFLAGS_WIN32) continue; ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo); loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName); /* basename: search backwards in pathname to \ / or : */ while (loadedfn > (char*)ofs->szPathName) { if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':') break; loadedfn--; } /* case insensitive compare ... */ if (!FILE_strcasecmp(loadedfn, s)) return hModule; } /* If the extension of 'name' is '.EXE' and the base filename of 'name' * matches the base filename of the module filename of some 32-bit module: * Return the corresponding 16-bit dummy module handle. */ if (len >= 4 && !FILE_strcasecmp(name+len-4, ".EXE")) { HMODULE hModule = GetModuleHandleA( name ); if ( hModule ) return MapHModuleLS( hModule ); } if (!strcmp(tmpstr,"MSDOS")) return 1; if (!strcmp(tmpstr,"TIMER")) { FIXME("Eh... Should return caller's code segment, expect crash\n"); return 0; } return 0; } /********************************************************************** * NE_GetModuleByFilename */ static HMODULE16 NE_GetModuleByFilename( LPCSTR name ) { HMODULE16 hModule; LPSTR s, p; BYTE len, *name_table; char tmpstr[MAX_PATH]; NE_MODULE *pModule; lstrcpynA(tmpstr, name, sizeof(tmpstr)); /* If the base filename of 'name' matches the base filename of the module * filename of some module (case-insensitive compare): * Return its handle. */ /* basename: search backwards in passed name to \ / or : */ s = tmpstr + strlen(tmpstr); while (s > tmpstr) { if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':') break; s--; } /* search this in loaded filename list */ for (hModule = hFirstModule; hModule ; hModule = pModule->next) { char *loadedfn; OFSTRUCT *ofs; pModule = NE_GetPtr( hModule ); if (!pModule) break; if (!pModule->fileinfo) continue; if (pModule->flags & NE_FFLAGS_WIN32) continue; ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo); loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName); /* basename: search backwards in pathname to \ / or : */ while (loadedfn > (char*)ofs->szPathName) { if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':') break; loadedfn--; } /* case insensitive compare ... */ if (!FILE_strcasecmp(loadedfn, s)) return hModule; } /* If basename (without ext) matches the module name of a module: * Return its handle. */ if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0'; len = strlen(s); for (hModule = hFirstModule; hModule ; hModule = pModule->next) { pModule = NE_GetPtr( hModule ); if (!pModule) break; if (pModule->flags & NE_FFLAGS_WIN32) continue; name_table = (BYTE *)pModule + pModule->name_table; if ((*name_table == len) && !FILE_strncasecmp(s, name_table+1, len)) return hModule; } return 0; } /*********************************************************************** * GetProcAddress16 (KERNEL32.37) * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func) */ FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name ) { if (!hModule) return 0; if (HIWORD(hModule)) { WARN("hModule is Win32 handle (%p)\n", hModule ); return 0; } return GetProcAddress16( LOWORD(hModule), name ); } /*********************************************************************** * GetProcAddress (KERNEL.50) */ FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name ) { WORD ordinal; FARPROC16 ret; if (!hModule) hModule = GetCurrentTask(); hModule = GetExePtr( hModule ); if (HIWORD(name) != 0) { ordinal = NE_GetOrdinal( hModule, name ); TRACE("%04x '%s'\n", hModule, name ); } else { ordinal = LOWORD(name); TRACE("%04x %04x\n", hModule, ordinal ); } if (!ordinal) return (FARPROC16)0; ret = NE_GetEntryPoint( hModule, ordinal ); TRACE("returning %08x\n", (UINT)ret ); return ret; } /*************************************************************************** * HasGPHandler (KERNEL.338) */ SEGPTR WINAPI HasGPHandler16( SEGPTR address ) { HMODULE16 hModule; int gpOrdinal; SEGPTR gpPtr; GPHANDLERDEF *gpHandler; if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) ) && (gpHandler = MapSL( gpPtr )) != NULL ) { while (gpHandler->selector) { if ( SELECTOROF(address) == gpHandler->selector && OFFSETOF(address) >= gpHandler->rangeStart && OFFSETOF(address) < gpHandler->rangeEnd ) return MAKESEGPTR( gpHandler->selector, gpHandler->handler ); gpHandler++; } } return 0; } /********************************************************************** * ModuleFirst (TOOLHELP.59) */ BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme ) { lpme->wNext = hFirstModule; return ModuleNext16( lpme ); } /********************************************************************** * ModuleNext (TOOLHELP.60) */ BOOL16 WINAPI ModuleNext16( MODULEENTRY *lpme ) { NE_MODULE *pModule; char *name; if (!lpme->wNext) return FALSE; if (!(pModule = NE_GetPtr( lpme->wNext ))) return FALSE; name = (char *)pModule + pModule->name_table; memcpy( lpme->szModule, name + 1, min(*name, MAX_MODULE_NAME) ); lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0'; lpme->hModule = lpme->wNext; lpme->wcUsage = pModule->count; lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) ); lpme->wNext = pModule->next; return TRUE; } /********************************************************************** * ModuleFindName (TOOLHELP.61) */ BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name ) { lpme->wNext = GetModuleHandle16( name ); return ModuleNext16( lpme ); } /********************************************************************** * ModuleFindHandle (TOOLHELP.62) */ BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule ) { hModule = GetExePtr( hModule ); lpme->wNext = hModule; return ModuleNext16( lpme ); } /*************************************************************************** * IsRomModule (KERNEL.323) */ BOOL16 WINAPI IsRomModule16( HMODULE16 unused ) { return FALSE; } /*************************************************************************** * IsRomFile (KERNEL.326) */ BOOL16 WINAPI IsRomFile16( HFILE16 unused ) { return FALSE; } /*********************************************************************** * create_dummy_module * * Create a dummy NE module for Win32 or Winelib. */ static HMODULE16 create_dummy_module( HMODULE module32 ) { HMODULE16 hModule; NE_MODULE *pModule; SEGTABLEENTRY *pSegment; char *pStr,*s; unsigned int len; const char* basename; OFSTRUCT *ofs; int of_size, size; char filename[MAX_PATH]; IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 ); if (!nt) return (HMODULE16)11; /* invalid exe */ /* Extract base filename */ GetModuleFileNameA( module32, filename, sizeof(filename) ); basename = strrchr(filename, '\\'); if (!basename) basename = filename; else basename++; len = strlen(basename); if ((s = strchr(basename, '.'))) len = s - basename; /* Allocate module */ of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(filename) + 1; size = sizeof(NE_MODULE) + /* loaded file info */ ((of_size + 3) & ~3) + /* segment table: DS,CS */ 2 * sizeof(SEGTABLEENTRY) + /* name table */ len + 2 + /* several empty tables */ 8; hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size ); if (!hModule) return (HMODULE16)11; /* invalid exe */ FarSetOwner16( hModule, hModule ); pModule = (NE_MODULE *)GlobalLock16( hModule ); /* Set all used entries */ pModule->magic = IMAGE_OS2_SIGNATURE; pModule->count = 1; pModule->next = 0; pModule->flags = NE_FFLAGS_WIN32; pModule->dgroup = 0; pModule->ss = 1; pModule->cs = 2; pModule->heap_size = 0; pModule->stack_size = 0; pModule->seg_count = 2; pModule->modref_count = 0; pModule->nrname_size = 0; pModule->fileinfo = sizeof(NE_MODULE); pModule->os_flags = NE_OSFLAGS_WINDOWS; pModule->self = hModule; pModule->module32 = module32; /* Set version and flags */ pModule->expected_version = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) | (nt->OptionalHeader.MinorSubsystemVersion & 0xff); if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL) pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA; /* Set loaded file information */ ofs = (OFSTRUCT *)(pModule + 1); memset( ofs, 0, of_size ); ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */ strcpy( ofs->szPathName, filename ); pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3)); pModule->seg_table = (int)pSegment - (int)pModule; /* Data segment */ pSegment->size = 0; pSegment->flags = NE_SEGFLAGS_DATA; pSegment->minsize = 0x1000; pSegment++; /* Code segment */ pSegment->flags = 0; pSegment++; /* Module name */ pStr = (char *)pSegment; pModule->name_table = (int)pStr - (int)pModule; assert(len<256); *pStr = len; lstrcpynA( pStr+1, basename, len+1 ); pStr += len+2; /* All tables zero terminated */ pModule->res_table = pModule->import_table = pModule->entry_table = (int)pStr - (int)pModule; NE_RegisterModule( pModule ); LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */ return hModule; } /*************************************************************************** * MapHModuleLS (KERNEL32.@) */ HMODULE16 WINAPI MapHModuleLS(HMODULE hmod) { HMODULE16 ret; NE_MODULE *pModule; if (!hmod) return TASK_GetCurrent()->hInstance; if (!HIWORD(hmod)) return LOWORD(hmod); /* we already have a 16 bit module handle */ pModule = (NE_MODULE*)GlobalLock16(hFirstModule); while (pModule) { if (pModule->module32 == hmod) return pModule->self; pModule = (NE_MODULE*)GlobalLock16(pModule->next); } if ((ret = create_dummy_module( hmod )) < 32) { SetLastError(ret); ret = 0; } return ret; } /*************************************************************************** * MapHModuleSL (KERNEL32.@) */ HMODULE WINAPI MapHModuleSL(HMODULE16 hmod) { NE_MODULE *pModule; if (!hmod) { TDB *pTask = TASK_GetCurrent(); hmod = pTask->hModule; } pModule = (NE_MODULE*)GlobalLock16(hmod); if ( (pModule->magic!=IMAGE_OS2_SIGNATURE) || !(pModule->flags & NE_FFLAGS_WIN32) ) return 0; return pModule->module32; } /*************************************************************************** * MapHInstLS (KERNEL32.@) * MapHInstLS (KERNEL.472) */ void WINAPI MapHInstLS( CONTEXT86 *context ) { context->Eax = MapHModuleLS( (HMODULE)context->Eax ); } /*************************************************************************** * MapHInstSL (KERNEL32.@) * MapHInstSL (KERNEL.473) */ void WINAPI MapHInstSL( CONTEXT86 *context ) { context->Eax = (DWORD)MapHModuleSL( context->Eax ); } /*************************************************************************** * MapHInstLS_PN (KERNEL32.@) */ void WINAPI MapHInstLS_PN( CONTEXT86 *context ) { if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax ); } /*************************************************************************** * MapHInstSL_PN (KERNEL32.@) */ void WINAPI MapHInstSL_PN( CONTEXT86 *context ) { if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax ); }