/* * 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 #include #ifdef HAVE_UNISTD_H # include #endif #include #include "windef.h" #include "wine/winbase16.h" #include "wownt32.h" #include "winternl.h" #include "toolhelp.h" #include "excpt.h" #include "kernel_private.h" #include "kernel16_private.h" #include "wine/exception.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(module); WINE_DECLARE_DEBUG_CHANNEL(loaddll); WINE_DECLARE_DEBUG_CHANNEL(relay); #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) struct builtin_dll { const IMAGE_DOS_HEADER *header; /* module headers */ const char *file_name; /* module file name */ }; /* Table of all built-in DLLs */ #define MAX_DLLS 50 static struct builtin_dll builtin_dlls[MAX_DLLS]; 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 ); static WINE_EXCEPTION_FILTER(page_fault) { if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION || GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION) return EXCEPTION_EXECUTE_HANDLER; return EXCEPTION_CONTINUE_SEARCH; } /* patch all the flat cs references of the code segment if necessary */ inline static void patch_code_segment( NE_MODULE *pModule ) { #ifdef __i386__ int i; CALLFROM16 *call; SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule ); for (i = 0; i < pModule->ne_cseg; i++, pSeg++) if (!(pSeg->flags & NE_SEGFLAGS_DATA)) break; /* found the code segment */ call = GlobalLock16( pSeg->hSeg ); /* patch glue code address and code selector */ for (i = 0; call[i].pushl == 0x68; i++) { if (call[i].ret[0] == 0xca66 || call[i].ret[0] == 0xcb66) /* register entry point? */ call[i].glue = __wine_call_from_16_regs; else call[i].glue = __wine_call_from_16; call[i].flatcs = wine_get_cs(); } if (TRACE_ON(relay)) /* patch relay functions to all point to relay_call_from_16 */ for (i = 0; call[i].pushl == 0x68; i++) call[i].relay = relay_call_from_16; #endif } /*********************************************************************** * NE_strcasecmp * * locale-independent case conversion for module lookups */ static int NE_strcasecmp( const char *str1, const char *str2 ) { int ret = 0; for ( ; ; str1++, str2++) if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break; return ret; } /*********************************************************************** * NE_strncasecmp * * locale-independent case conversion for module lookups */ static int NE_strncasecmp( const char *str1, const char *str2, int len ) { int ret = 0; for ( ; len > 0; len--, str1++, str2++) if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break; return ret; } /*********************************************************************** * find_dll_descr * * Find a descriptor in the list */ static const IMAGE_DOS_HEADER *find_dll_descr( const char *dllname, const char **file_name ) { int i; const IMAGE_DOS_HEADER *mz_header; const IMAGE_OS2_HEADER *ne_header; BYTE *name_table; for (i = 0; i < MAX_DLLS; i++) { mz_header = builtin_dlls[i].header; if (mz_header) { ne_header = (const IMAGE_OS2_HEADER *)((const char *)mz_header + mz_header->e_lfanew); name_table = (BYTE *)ne_header + ne_header->ne_restab; /* check the dll file name */ if (!NE_strcasecmp( builtin_dlls[i].file_name, dllname ) || /* check the dll module name (without extension) */ (!NE_strncasecmp( dllname, (const char*)name_table+1, *name_table ) && !strcmp( dllname + *name_table, ".dll" ))) { *file_name = builtin_dlls[i].file_name; return builtin_dlls[i].header; } } } return NULL; } /*********************************************************************** * __wine_dll_register_16 (KERNEL32.@) * * Register a built-in DLL descriptor. */ void __wine_dll_register_16( const IMAGE_DOS_HEADER *header, const char *file_name ) { int i; for (i = 0; i < MAX_DLLS; i++) { if (builtin_dlls[i].header) continue; builtin_dlls[i].header = header; builtin_dlls[i].file_name = file_name; break; } assert( i < MAX_DLLS ); } /*********************************************************************** * __wine_dll_unregister_16 (KERNEL32.@) * * Unregister a built-in DLL descriptor. */ void __wine_dll_unregister_16( const IMAGE_DOS_HEADER *header ) { int i; for (i = 0; i < MAX_DLLS; i++) { if (builtin_dlls[i].header != header) continue; builtin_dlls[i].header = NULL; break; } } /*********************************************************************** * NE_GetPtr */ NE_MODULE *NE_GetPtr( HMODULE16 hModule ) { return (NE_MODULE *)GlobalLock16( GetExePtr(hModule) ); } /********************************************************************** * NE_RegisterModule */ static void NE_RegisterModule( NE_MODULE *pModule ) { pModule->next = hFirstModule; hFirstModule = pModule->self; } /*********************************************************************** * 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->ne_flags, pModule->ne_heap, pModule->ne_stack ); DPRINTF( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n", SELECTOROF(pModule->ne_csip), OFFSETOF(pModule->ne_csip), SELECTOROF(pModule->ne_sssp), OFFSETOF(pModule->ne_sssp), pModule->ne_autodata, pModule->ne_cseg, pModule->ne_cmod ); DPRINTF( "os_flags=%d swap_area=%d version=%04x\n", pModule->ne_exetyp, pModule->ne_swaparea, pModule->ne_expver ); if (pModule->ne_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->ne_cseg; 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->ne_rsrctab) { pword = (WORD *)((BYTE *)pModule + pModule->ne_rsrctab); 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 = (BYTE*) pModule + pModule->ne_restab; 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->ne_modtab) { pword = (WORD *)((BYTE *)pModule + pModule->ne_modtab); for (i = 0; i < pModule->ne_cmod; 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->ne_enttab); 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 = 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->ne_flags, *((char *)pModule + pModule->ne_restab), (char *)pModule + pModule->ne_restab + 1 ); hModule = pModule->next; } } /*********************************************************************** * NE_InitResourceHandler * * Fill in 'resloader' fields in the resource table. */ static void NE_InitResourceHandler( HMODULE16 hModule ) { static FARPROC16 proc; NE_TYPEINFO *pTypeInfo; NE_MODULE *pModule; if (!(pModule = NE_GetPtr( hModule )) || !pModule->ne_rsrctab) return; TRACE("InitResourceHandler[%04x]\n", hModule ); if (!proc) proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" ); pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->ne_rsrctab + 2); 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 ) { char buffer[256], *p; BYTE *cpnt; BYTE len; NE_MODULE *pModule; if (!(pModule = NE_GetPtr( hModule ))) return 0; if (pModule->ne_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 (p = buffer; *p; p++) *p = RtlUpperChar(*p); len = p - buffer; /* First search the resident names */ cpnt = (BYTE *)pModule + pModule->ne_restab; /* Skip the first entry (module name) */ cpnt += *cpnt + 1 + sizeof(WORD); while (*cpnt) { if ((*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 = GlobalLock16( pModule->nrname_handle ); /* Skip the first entry (module description string) */ cpnt += *cpnt + 1 + sizeof(WORD); while (*cpnt) { if ((*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; } /*********************************************************************** * 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->ne_flags & NE_FFLAGS_WIN32) ); bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab); 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 )); } /*********************************************************************** * 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_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->ne_flags & NE_FFLAGS_WIN32) ); bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab); 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; } /*********************************************************************** * build_bundle_data * * Build the entry table bundle data from the on-disk format. Helper for build_module. */ static void *build_bundle_data( NE_MODULE *pModule, void *dest, const BYTE *table ) { ET_BUNDLE *oldbundle, *bundle = dest; ET_ENTRY *entry; BYTE nr_entries, type; memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */ entry = (ET_ENTRY *)((BYTE *)bundle+6); while ((nr_entries = *table++)) { if ((type = *table++)) { bundle->last += nr_entries; if (type == 0xff) { while (nr_entries--) { entry->type = type; entry->flags = *table++; table += sizeof(WORD); entry->segnum = *table++; entry->offs = *(WORD *)table; table += sizeof(WORD); entry++; } } else { while (nr_entries--) { entry->type = type; entry->flags = *table++; entry->segnum = type; entry->offs = *(WORD *)table; table += sizeof(WORD); entry++; } } } else { if (bundle->first == bundle->last) { bundle->first += nr_entries; bundle->last += nr_entries; } else { oldbundle = bundle; oldbundle->next = (char *)entry - (char *)pModule; bundle = (ET_BUNDLE *)entry; bundle->first = bundle->last = oldbundle->last + nr_entries; bundle->next = 0; entry = (ET_ENTRY*)(((BYTE*)entry)+sizeof(ET_BUNDLE)); } } } return entry; } /*********************************************************************** * build_module * * Build the in-memory module from the on-disk data. */ static HMODULE16 build_module( const void *mapping, SIZE_T mapping_size, LPCSTR path ) { const IMAGE_DOS_HEADER *mz_header = mapping; const IMAGE_OS2_HEADER *ne_header; const struct ne_segment_table_entry_s *pSeg; const void *ptr; int i; size_t size; HMODULE16 hModule; NE_MODULE *pModule; BYTE *buffer, *pData, *end; OFSTRUCT *ofs; if (mapping_size < sizeof(*mz_header)) return ERROR_BAD_FORMAT; if (mz_header->e_magic != IMAGE_DOS_SIGNATURE) return ERROR_BAD_FORMAT; ne_header = (const IMAGE_OS2_HEADER *)((const char *)mapping + mz_header->e_lfanew); if (mz_header->e_lfanew + sizeof(*ne_header) > mapping_size) return ERROR_BAD_FORMAT; if (ne_header->ne_magic == IMAGE_NT_SIGNATURE) return 21; /* win32 exe */ if (ne_header->ne_magic == IMAGE_OS2_SIGNATURE_LX) { MESSAGE("Sorry, %s is an OS/2 linear executable (LX) file!\n", path); return 12; } if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE) return ERROR_BAD_FORMAT; /* We now have a valid NE header */ /* check to be able to fall back to loading OS/2 programs as DOS * FIXME: should this check be reversed in order to be less strict? * (only fail for OS/2 ne_exetyp 0x01 here?) */ if ((ne_header->ne_exetyp != 0x02 /* Windows */) && (ne_header->ne_exetyp != 0x04) /* Windows 386 */) return ERROR_BAD_FORMAT; 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 ERROR_BAD_FORMAT; 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->ne_flags & NE_FFLAGS_LIBMODULE) && (pModule->ne_stack < 0x1400)) pModule->ne_stack = 0x1400; pModule->self = hModule; pModule->mapping = mapping; pModule->mapping_size = mapping_size; pData = (BYTE *)(pModule + 1); /* Clear internal Wine flags in case they are set in the EXE file */ pModule->ne_flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32); /* Get the segment table */ pModule->ne_segtab = pData - (BYTE *)pModule; if (!(pSeg = NE_GET_DATA( pModule, mz_header->e_lfanew + ne_header->ne_segtab, ne_header->ne_cseg * sizeof(struct ne_segment_table_entry_s) ))) goto failed; for (i = ne_header->ne_cseg; i > 0; i--, pSeg++) { memcpy( pData, pSeg, sizeof(*pSeg) ); pData += sizeof(SEGTABLEENTRY); } /* Get the resource table */ if (ne_header->ne_rsrctab < ne_header->ne_restab) { pModule->ne_rsrctab = pData - (BYTE *)pModule; if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_rsrctab, ne_header->ne_restab - ne_header->ne_rsrctab )) goto failed; pData += ne_header->ne_restab - ne_header->ne_rsrctab; } else pModule->ne_rsrctab = 0; /* No resource table */ /* Get the resident names table */ pModule->ne_restab = pData - (BYTE *)pModule; if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_restab, ne_header->ne_modtab - ne_header->ne_restab )) goto failed; pData += ne_header->ne_modtab - ne_header->ne_restab; /* Get the module references table */ if (ne_header->ne_cmod > 0) { pModule->ne_modtab = pData - (BYTE *)pModule; if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_modtab, ne_header->ne_cmod * sizeof(WORD) )) goto failed; pData += ne_header->ne_cmod * sizeof(WORD); } else pModule->ne_modtab = 0; /* No module references */ /* Get the imported names table */ pModule->ne_imptab = pData - (BYTE *)pModule; if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_imptab, ne_header->ne_enttab - ne_header->ne_imptab )) goto failed; pData += ne_header->ne_enttab - ne_header->ne_imptab; /* Load entry table, convert it to the optimized version used by Windows */ pModule->ne_enttab = pData - (BYTE *)pModule; if (!(ptr = NE_GET_DATA( pModule, mz_header->e_lfanew + ne_header->ne_enttab, ne_header->ne_cbenttab ))) goto failed; end = build_bundle_data( pModule, pData, ptr ); pData += ne_header->ne_cbenttab + sizeof(ET_BUNDLE) + 2 * (ne_header->ne_cbenttab - ne_header->ne_cmovent*6); if (end > pData) { FIXME( "not enough space for entry table for %s\n", debugstr_a(path) ); goto failed; } /* Store the filename information */ pModule->fileinfo = pData - (BYTE *)pModule; ofs = (OFSTRUCT *)pData; ofs->cBytes = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path); ofs->fFixedDisk = 1; strcpy( ofs->szPathName, path ); pData += ofs->cBytes + 1; assert( (BYTE *)pModule + size <= pData ); /* Get the non-resident names table */ if (ne_header->ne_cbnrestab) { pModule->nrname_handle = GlobalAlloc16( 0, ne_header->ne_cbnrestab ); if (!pModule->nrname_handle) goto failed; FarSetOwner16( pModule->nrname_handle, hModule ); buffer = GlobalLock16( pModule->nrname_handle ); if (!NE_READ_DATA( pModule, buffer, ne_header->ne_nrestab, ne_header->ne_cbnrestab )) { GlobalFree16( pModule->nrname_handle ); goto failed; } } else pModule->nrname_handle = 0; /* Allocate a segment for the implicitly-loaded DLLs */ if (pModule->ne_cmod) { pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT, (pModule->ne_cmod+1)*sizeof(HMODULE16) ); if (!pModule->dlls_to_init) { if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle ); goto failed; } FarSetOwner16( pModule->dlls_to_init, hModule ); } else pModule->dlls_to_init = 0; NE_RegisterModule( pModule ); return hModule; failed: GlobalFree16( hModule ); return ERROR_BAD_FORMAT; } /*********************************************************************** * 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->ne_modtab); WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init ); for (i = 0; i < pModule->ne_cmod; i++, pModRef++) { char buffer[260], *p; BYTE *pstr = (BYTE *)pModule + pModule->ne_imptab + *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->ne_restab), (char *)pModule + pModule->ne_restab + 1, hDLL ); return FALSE; } *pModRef = GetExePtr( hDLL ); *pDLLs++ = *pModRef; } else /* Increment the reference count of the DLL */ { NE_MODULE *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 build_module. * 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; HANDLE mapping; void *ptr; MEMORY_BASIC_INFORMATION info; /* Open file */ if ((hFile = OpenFile16( name, &ofs, OF_READ|OF_SHARE_DENY_WRITE )) == HFILE_ERROR16) return ERROR_FILE_NOT_FOUND; mapping = CreateFileMappingW( DosFileHandleToWin32Handle(hFile), NULL, PAGE_WRITECOPY, 0, 0, NULL ); _lclose16( hFile ); if (!mapping) return ERROR_BAD_FORMAT; ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 0 ); CloseHandle( mapping ); if (!ptr) return ERROR_BAD_FORMAT; VirtualQuery( ptr, &info, sizeof(info) ); hModule = build_module( ptr, info.RegionSize, ofs.szPathName ); if (hModule < 32) { UnmapViewOfFile( ptr ); return hModule; } SNOOP16_RegisterDLL( hModule, ofs.szPathName ); NE_InitResourceHandler( hModule ); pModule = NE_GetPtr( hModule ); if ( !lib_only && !( pModule->ne_flags & NE_FFLAGS_LIBMODULE ) ) return hModule; hInstance = NE_DoLoadModule( pModule ); if ( hInstance < 32 ) { /* cleanup ... */ NE_FreeModule( hModule, 0 ); } return hInstance; } /*********************************************************************** * NE_DoLoadBuiltinModule * * Load a built-in Win16 module. Helper function for NE_LoadBuiltinModule. */ static HMODULE16 NE_DoLoadBuiltinModule( const IMAGE_DOS_HEADER *mz_header, const char *file_name, HMODULE owner32 ) { NE_MODULE *pModule; HMODULE16 hModule; HINSTANCE16 hInstance; OSVERSIONINFOW versionInfo; const IMAGE_OS2_HEADER *ne_header; SIZE_T mapping_size = ~0UL; /* assume builtins don't contain invalid offsets... */ ne_header = (const IMAGE_OS2_HEADER *)((const BYTE *)mz_header + mz_header->e_lfanew); hModule = build_module( mz_header, mapping_size, file_name ); if (hModule < 32) return hModule; pModule = GlobalLock16( hModule ); pModule->ne_flags |= NE_FFLAGS_BUILTIN; pModule->owner32 = owner32; /* fake the expected version the module should have according to the current Windows version */ versionInfo.dwOSVersionInfoSize = sizeof(versionInfo); if (GetVersionExW( &versionInfo )) pModule->ne_expver = MAKEWORD( versionInfo.dwMinorVersion, versionInfo.dwMajorVersion ); hInstance = NE_DoLoadModule( pModule ); if (hInstance < 32) NE_FreeModule( hModule, 0 ); NE_InitResourceHandler( hModule ); if (pModule->ne_heap) { SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule ) + pModule->ne_autodata - 1; unsigned int size = pSeg->minsize + pModule->ne_heap; if (size > 0xfffe) size = 0xfffe; LocalInit16( GlobalHandleToSel16(pSeg->hSeg), pSeg->minsize, size ); } patch_code_segment( pModule ); 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; HMODULE16 hModule; HMODULE mod32 = 0; NE_MODULE *pModule; const IMAGE_DOS_HEADER *descr = NULL; const char *file_name = NULL; char dllname[20], owner[20], *p; const char *basename; int owner_exists; /* strip path information */ basename = libname; if (basename[0] && basename[1] == ':') basename += 2; /* strip drive specification */ if ((p = strrchr( basename, '\\' ))) basename = p + 1; if ((p = strrchr( basename, '/' ))) basename = p + 1; if (strlen(basename) < sizeof(dllname)-4) { strcpy( dllname, basename ); p = strrchr( dllname, '.' ); if (!p) strcat( dllname, ".dll" ); for (p = dllname; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += 32; if (wine_dll_get_owner( dllname, owner, sizeof(owner), &owner_exists ) != -1) { mod32 = LoadLibraryA( owner ); if (mod32) { if (!(descr = find_dll_descr( dllname, &file_name ))) { FreeLibrary( mod32 ); owner_exists = 0; } /* loading the 32-bit library can have the side effect of loading the module */ /* if so, simply incr the ref count and return the module */ if ((hModule = GetModuleHandle16( libname ))) { TRACE( "module %s already loaded by owner\n", libname ); pModule = NE_GetPtr( hModule ); if (pModule) pModule->count++; FreeLibrary( mod32 ); return hModule; } } else { /* it's probably disabled by the load order config */ WARN( "couldn't load owner %s for 16-bit dll %s\n", owner, dllname ); return ERROR_FILE_NOT_FOUND; } } } if (descr) { TRACE("Trying built-in '%s'\n", libname); hinst = NE_DoLoadBuiltinModule( descr, file_name, mod32 ); if (hinst > 32) TRACE_(loaddll)("Loaded module %s : builtin\n", debugstr_a(file_name)); } else { TRACE("Trying native dll '%s'\n", libname); hinst = NE_LoadModule(libname, lib_only); if (hinst > 32) TRACE_(loaddll)("Loaded module %s : native\n", debugstr_a(libname)); if (hinst == ERROR_FILE_NOT_FOUND && owner_exists) hinst = 21; /* win32 module */ } if (hinst > 32 && !implicit) { 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 ERROR_INVALID_HANDLE; } 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 ERROR_INVALID_HANDLE; } 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->ne_flags & NE_FFLAGS_LIBMODULE) { NE_InitializeDLLs(hModule); NE_DllProcessAttach(hModule); } } 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 = GlobalLock16( 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; if (name == NULL) return 0; /* Load module */ if ( (hModule = NE_GetModuleByFilename(name) ) != 0 ) { /* Special case: second instance of an already loaded NE module */ if ( !( pModule = NE_GetPtr( hModule ) ) ) return ERROR_BAD_FORMAT; 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 ERROR_BAD_FORMAT; } /* If library module, we just retrieve the instance handle */ if ( ( pModule->ne_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->ne_autodata ) if ( NE_CreateSegment( pModule, pModule->ne_autodata ) ) NE_LoadSegment( pModule, pModule->ne_autodata ); hInstance = NE_GetInstance( pModule ); TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->ne_autodata, hPrevInstance); } else { /* Load first instance of NE module */ pModule->ne_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 = OFFSETOF(pModule->ne_sssp))) sp = pSegTable[SELECTOROF(pModule->ne_sssp)-1].minsize + pModule->ne_stack; sp &= ~1; sp -= sizeof(STACK16FRAME); NtCurrentTeb()->WOW32Reserved = (void *)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[SELECTOROF(pModule->ne_csip) - 1].hSeg); context.SegDs = GlobalHandleToSel16(pTask->hInstance); context.SegEs = pTask->hPDB; context.SegFs = wine_get_fs(); context.SegGs = wine_get_gs(); context.Eip = OFFSETOF(pModule->ne_csip); context.Ebx = pModule->ne_stack; context.Ecx = pModule->ne_heap; 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(NtCurrentTeb()->WOW32Reserved), OFFSETOF(NtCurrentTeb()->WOW32Reserved) ); WOWCallback16Ex( 0, WCB16_REGS, 0, NULL, (DWORD *)&context ); 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 { WORD args[1]; DWORD dwRet; args[0] = WEP_FREE_DLL; WOWCallback16Ex( (DWORD)WEP, WCB16_PASCAL, sizeof(args), args, &dwRet ); ret = LOWORD(dwRet); } __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 (call_wep && !(pModule->ne_flags & NE_FFLAGS_WIN32)) { /* Free the objects owned by the DLL module */ NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD ); if (pModule->ne_flags & NE_FFLAGS_LIBMODULE) MODULE_CallWEP( hModule ); else call_wep = FALSE; /* We are freeing a task -> no more WEPs */ } TRACE_(loaddll)("Unloaded module %s : %s\n", debugstr_a(NE_MODULE_NAME(pModule)), (pModule->ne_flags & NE_FFLAGS_BUILTIN) ? "builtin" : "native"); /* Clear magic number just in case */ pModule->ne_magic = pModule->self = 0; if (pModule->owner32) FreeLibrary( pModule->owner32 ); else if (pModule->mapping) UnmapViewOfFile( (void *)pModule->mapping ); /* 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*)((char *)pModule + pModule->ne_modtab); for (i = 0; i < pModule->ne_cmod; i++, pModRef++) { NE_FreeModule( *pModRef, call_wep ); } /* Free the module storage */ GlobalFreeAll16( hModule ); 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 ); } /*********************************************************************** * 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->ne_flags & NE_FFLAGS_WIN32) continue; name_table = (BYTE *)pModule + pModule->ne_restab; if ((*name_table == len) && !strncmp(name, (char*) 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 = RtlUpperChar(*s); for (hModule = hFirstModule; hModule ; hModule = pModule->next) { pModule = NE_GetPtr( hModule ); if (!pModule) break; if (pModule->ne_flags & NE_FFLAGS_WIN32) continue; name_table = (BYTE *)pModule + pModule->ne_restab; /* 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) && !NE_strncasecmp(tmpstr, (const char*)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->ne_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 (!NE_strcasecmp(loadedfn, s)) return hModule; } return 0; } /********************************************************************** * 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->ne_restab; if (count > *p) count = *p + 1; if (count > 0) { memcpy( buf, p + 1, count - 1 ); buf[count-1] = '\0'; } return TRUE; } /********************************************************************** * 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->ne_expver < 0x400) GetShortPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize); TRACE("%04x -> '%s'\n", hModule, lpFileName ); return strlen(lpFileName); } /********************************************************************** * 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; return pModule->ne_expver; } /*********************************************************************** * 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 || ret == ERROR_BAD_FORMAT) /* 32-bit module or unknown executable*/ { DWORD count; ReleaseThunkLock( &count ); ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) ); RestoreThunkLock( count ); } return ret; } /*********************************************************************** * 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 %p\n", 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; } /********************************************************************** * 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 ); } /********************************************************************** * 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->ne_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 (!NE_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->ne_flags & NE_FFLAGS_WIN32) continue; name_table = (BYTE *)pModule + pModule->ne_restab; if ((*name_table == len) && !NE_strncasecmp(s, (const char*)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 ); } /********************************************************************** * 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->ne_restab; 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 ERROR_BAD_FORMAT; /* Extract base filename */ len = GetModuleFileNameA( module32, filename, sizeof(filename) ); if (!len || len >= sizeof(filename)) return ERROR_BAD_FORMAT; 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 ERROR_BAD_FORMAT; FarSetOwner16( hModule, hModule ); pModule = (NE_MODULE *)GlobalLock16( hModule ); /* Set all used entries */ pModule->ne_magic = IMAGE_OS2_SIGNATURE; pModule->count = 1; pModule->next = 0; pModule->ne_flags = NE_FFLAGS_WIN32; pModule->ne_autodata = 0; pModule->ne_sssp = MAKESEGPTR( 0, 1 ); pModule->ne_csip = MAKESEGPTR( 0, 2 ); pModule->ne_heap = 0; pModule->ne_stack = 0; pModule->ne_cseg = 2; pModule->ne_cmod = 0; pModule->ne_cbnrestab = 0; pModule->fileinfo = sizeof(NE_MODULE); pModule->ne_exetyp = NE_OSFLAGS_WINDOWS; pModule->self = hModule; pModule->module32 = module32; /* Set version and flags */ pModule->ne_expver = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) | (nt->OptionalHeader.MinorSubsystemVersion & 0xff); if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL) pModule->ne_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->ne_segtab = (char *)pSegment - (char *)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->ne_restab = pStr - (char *)pModule; assert(len<256); *pStr = len; lstrcpynA( pStr+1, basename, len+1 ); pStr += len+2; /* All tables zero terminated */ pModule->ne_rsrctab = pModule->ne_imptab = pModule->ne_enttab = (char *)pStr - (char *)pModule; NE_RegisterModule( pModule ); pModule->owner32 = LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */ return hModule; } /*********************************************************************** * PrivateLoadLibrary (KERNEL32.@) * * FIXME: rough guesswork, don't know what "Private" means */ HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname) { return LoadLibrary16(libname); } /*********************************************************************** * PrivateFreeLibrary (KERNEL32.@) * * FIXME: rough guesswork, don't know what "Private" means */ void WINAPI PrivateFreeLibrary(HINSTANCE16 handle) { FreeLibrary16(handle); } /*********************************************************************** * LoadLibrary32 (KERNEL.452) * LoadSystemLibrary32 (KERNEL.482) */ HMODULE WINAPI LoadLibrary32_16( LPCSTR libname ) { HMODULE hModule; DWORD count; ReleaseThunkLock( &count ); hModule = LoadLibraryA( libname ); RestoreThunkLock( count ); 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->ne_magic != IMAGE_OS2_SIGNATURE) || !(pModule->ne_flags & NE_FFLAGS_WIN32)) return 0; return pModule->module32; } /*************************************************************************** * MapHInstLS (KERNEL32.@) * MapHInstLS (KERNEL.472) */ void WINAPI __regs_MapHInstLS( CONTEXT86 *context ) { context->Eax = MapHModuleLS( (HMODULE)context->Eax ); } #ifdef DEFINE_REGS_ENTRYPOINT DEFINE_REGS_ENTRYPOINT( MapHInstLS, 0, 0 ); #endif /*************************************************************************** * MapHInstSL (KERNEL32.@) * MapHInstSL (KERNEL.473) */ void WINAPI __regs_MapHInstSL( CONTEXT86 *context ) { context->Eax = (DWORD)MapHModuleSL( context->Eax ); } #ifdef DEFINE_REGS_ENTRYPOINT DEFINE_REGS_ENTRYPOINT( MapHInstSL, 0, 0 ); #endif /*************************************************************************** * MapHInstLS_PN (KERNEL32.@) */ void WINAPI __regs_MapHInstLS_PN( CONTEXT86 *context ) { if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax ); } #ifdef DEFINE_REGS_ENTRYPOINT DEFINE_REGS_ENTRYPOINT( MapHInstLS_PN, 0, 0 ); #endif /*************************************************************************** * MapHInstSL_PN (KERNEL32.@) */ void WINAPI __regs_MapHInstSL_PN( CONTEXT86 *context ) { if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax ); } #ifdef DEFINE_REGS_ENTRYPOINT DEFINE_REGS_ENTRYPOINT( MapHInstSL_PN, 0, 0 ); #endif