| /* |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <assert.h> |
| #include <fcntl.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| #include <ctype.h> |
| |
| #include "windef.h" |
| #include "wine/winbase16.h" |
| #include "wownt32.h" |
| #include "winternl.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); |
| WINE_DECLARE_DEBUG_CHANNEL(winediag); |
| |
| #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 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 ); |
| |
| |
| /* patch all the flat cs references of the code segment if necessary */ |
| static inline void patch_code_segment( NE_MODULE *pModule ) |
| { |
| 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; |
| } |
| |
| |
| /*********************************************************************** |
| * contains_path |
| */ |
| static inline BOOL contains_path( LPCSTR name ) |
| { |
| return ((*name && (name[1] == ':')) || strchr(name, '/') || strchr(name, '\\')); |
| } |
| |
| |
| /*********************************************************************** |
| * 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; |
| } |
| |
| |
| /*********************************************************************** |
| * NE_GetPtr |
| */ |
| NE_MODULE *NE_GetPtr( HMODULE16 hModule ) |
| { |
| return 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 ))) |
| { |
| ERR( "**** %04x is not a module handle\n", hModule ); |
| return; |
| } |
| |
| /* Dump the module info */ |
| TRACE( "---\n" ); |
| TRACE( "Module %04x:\n", hModule ); |
| TRACE( "count=%d flags=%04x heap=%d stack=%d\n", |
| pModule->count, pModule->ne_flags, |
| pModule->ne_heap, pModule->ne_stack ); |
| TRACE( "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 ); |
| TRACE( "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) |
| TRACE( "PE module=%p\n", pModule->module32 ); |
| |
| /* Dump the file info */ |
| TRACE( "---\n" ); |
| TRACE( "Filename: '%s'\n", NE_MODULE_NAME(pModule) ); |
| |
| /* Dump the segment table */ |
| TRACE( "---\n" ); |
| TRACE( "Segment table:\n" ); |
| pSeg = NE_SEG_TABLE( pModule ); |
| for (i = 0; i < pModule->ne_cseg; i++, pSeg++) |
| TRACE( "%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 */ |
| TRACE( "---\n" ); |
| TRACE( "Resource table:\n" ); |
| if (pModule->ne_rsrctab) |
| { |
| pword = (WORD *)((BYTE *)pModule + pModule->ne_rsrctab); |
| TRACE( "Alignment: %d\n", *pword++ ); |
| while (*pword) |
| { |
| NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword; |
| NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1); |
| TRACE( "id=%04x count=%d\n", ptr->type_id, ptr->count ); |
| for (i = 0; i < ptr->count; i++, pname++) |
| TRACE( "offset=%d len=%d id=%04x\n", |
| pname->offset, pname->length, pname->id ); |
| pword = (WORD *)pname; |
| } |
| } |
| else TRACE( "None\n" ); |
| |
| /* Dump the resident name table */ |
| TRACE( "---\n" ); |
| TRACE( "Resident-name table:\n" ); |
| pstr = (BYTE*) pModule + pModule->ne_restab; |
| while (*pstr) |
| { |
| TRACE( "%*.*s: %d\n", *pstr, *pstr, pstr + 1, |
| *(WORD *)(pstr + *pstr + 1) ); |
| pstr += *pstr + 1 + sizeof(WORD); |
| } |
| |
| /* Dump the module reference table */ |
| TRACE( "---\n" ); |
| TRACE( "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) ); |
| TRACE( "%d: %04x -> '%s'\n", i, *pword, name ); |
| } |
| } |
| else TRACE( "None\n" ); |
| |
| /* Dump the entry table */ |
| TRACE( "---\n" ); |
| TRACE( "Entry table:\n" ); |
| bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->ne_enttab); |
| do { |
| entry = (ET_ENTRY *)((BYTE *)bundle+6); |
| TRACE( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type); |
| ordinal = bundle->first; |
| while (ordinal < bundle->last) |
| { |
| if (entry->type == 0xff) |
| TRACE("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs); |
| else |
| TRACE("%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 */ |
| TRACE( "---\n" ); |
| TRACE( "Non-resident names table:\n" ); |
| if (pModule->nrname_handle) |
| { |
| pstr = GlobalLock16( pModule->nrname_handle ); |
| while (*pstr) |
| { |
| TRACE( "%*.*s: %d\n", *pstr, *pstr, pstr + 1, |
| *(WORD *)(pstr + *pstr + 1) ); |
| pstr += *pstr + 1 + sizeof(WORD); |
| } |
| } |
| TRACE( "\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 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 FALSE; |
| } |
| |
| 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 = *(const WORD *)table; |
| table += sizeof(WORD); |
| entry++; |
| } |
| } |
| else |
| { |
| while (nr_entries--) |
| { |
| entry->type = type; |
| entry->flags = *table++; |
| entry->segnum = type; |
| entry->offs = *(const 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) |
| { |
| ERR_(winediag)( "Failed to create module for %s, 16-bit LDT support may be missing.\n", |
| debugstr_a(path) ); |
| return ERROR_BAD_FORMAT; |
| } |
| |
| FarSetOwner16( hModule, hModule ); |
| pModule = 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 ); |
| pModule->nrname_handle = 0; |
| } |
| } |
| 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 = 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; |
| SIZE_T mapping_size = ~0UL; /* assume builtins don't contain invalid offsets... */ |
| |
| 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 */ |
| pModule->ne_expver = MAKEWORD( NtCurrentTeb()->Peb->OSMajorVersion, |
| NtCurrentTeb()->Peb->OSMinorVersion ); |
| |
| 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[32]; |
| const char *basename, *main_module, *p; |
| |
| /* 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)-6) |
| { |
| DWORD count; |
| char *q; |
| |
| ReleaseThunkLock( &count ); |
| |
| strcpy( dllname, basename ); |
| q = strrchr( dllname, '.' ); |
| if (!q) strcat( dllname, ".dll" ); |
| for (q = dllname; *q; q++) if (*q >= 'A' && *q <= 'Z') *q += 32; |
| |
| strcpy( q, "16" ); |
| if ((mod32 = LoadLibraryA( dllname ))) |
| { |
| if (!(descr = (void *)GetProcAddress( mod32, "__wine_spec_dos_header" ))) |
| { |
| WARN( "loaded %s but does not contain a 16-bit module\n", debugstr_a(dllname) ); |
| FreeLibrary( mod32 ); |
| } |
| else |
| { |
| TRACE( "found %s with embedded 16-bit module\n", debugstr_a(dllname) ); |
| file_name = basename; |
| |
| /* if module has a 32-bit owner, match the load order of the owner */ |
| if ((main_module = (void *)GetProcAddress( mod32, "__wine_spec_main_module" ))) |
| { |
| LDR_MODULE *ldr; |
| HMODULE main_owner = LoadLibraryA( main_module ); |
| |
| if (!main_owner) |
| { |
| WARN( "couldn't load owner %s for 16-bit dll %s\n", main_module, dllname ); |
| FreeLibrary( mod32 ); |
| RestoreThunkLock( count ); |
| return ERROR_FILE_NOT_FOUND; |
| } |
| /* check if module was loaded native */ |
| if (LdrFindEntryForAddress( main_owner, &ldr ) || !(ldr->Flags & LDR_WINE_INTERNAL)) |
| { |
| FreeLibrary( mod32 ); |
| descr = NULL; |
| } |
| FreeLibrary( main_owner ); |
| } |
| } |
| } |
| RestoreThunkLock( count ); |
| |
| /* 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 (descr && (hModule = GetModuleHandle16( libname ))) |
| { |
| TRACE( "module %s already loaded by owner\n", libname ); |
| pModule = NE_GetPtr( hModule ); |
| if (pModule) pModule->count++; |
| FreeLibrary( mod32 ); |
| return hModule; |
| } |
| } |
| |
| 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 FreeLibrary( mod32 ); |
| } |
| 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 > 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); |
| } |
| else DOSMEM_InitDosMemory(); /* we will be running a 16-bit task, setup DOS memory */ |
| } |
| 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 = 1; /* SW_SHOWNORMAL but we don't want to include winuser.h here */ |
| |
| if (name == NULL) return 0; |
| |
| TRACE("name %s, paramBlock %p\n", name, paramBlock); |
| |
| /* 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 = paramBlock; |
| if (params->showCmd) |
| 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 ) |
| { |
| CONTEXT 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=%04x:%04x ds=%04x 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( 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; |
| 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) |
| * |
| * See also: GetModuleFileNameA |
| * |
| * This function returns short paths when the modules version field is < 4.0). |
| * |
| * 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]; |
| LOADPARAMS16 params; |
| WORD showCmd[2]; |
| |
| 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]); |
| |
| showCmd[0] = 2; |
| showCmd[1] = nCmdShow; |
| |
| params.hEnvironment = 0; |
| params.cmdLine = MapLS( cmdline ); |
| params.showCmd = MapLS( showCmd ); |
| params.reserved = 0; |
| |
| if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL )) |
| { |
| ret = LoadModule16( buffer, ¶ms ); |
| } |
| else if (!contains_path( name )) /* try 16-bit builtin */ |
| { |
| lstrcpynA( buffer, name, sizeof(buffer) ); |
| if (strlen( buffer ) < sizeof(buffer) - 4 && !strchr( buffer, '.' )) strcat( buffer, ".exe" ); |
| ret = LoadModule16( buffer, ¶ms ); |
| if (ret == ERROR_FILE_NOT_FOUND) ret = 21; /* it might be a 32-bit builtin too */ |
| } |
| else ret = ERROR_FILE_NOT_FOUND; |
| |
| UnMapLS( params.cmdLine ); |
| UnMapLS( params.showCmd ); |
| |
| HeapFree( GetProcessHeap(), 0, cmdline ); |
| if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name ); |
| |
| if (ret == 21 || ret == ERROR_BAD_FORMAT) /* 32-bit module or unknown executable*/ |
| { |
| LOADPARAMS16 params; |
| WORD showCmd[2]; |
| showCmd[0] = 2; |
| showCmd[1] = nCmdShow; |
| |
| arglen = strlen( lpCmdLine ); |
| cmdline = HeapAlloc( GetProcessHeap(), 0, arglen + 1 ); |
| cmdline[0] = (BYTE)arglen; |
| memcpy( cmdline + 1, lpCmdLine, arglen ); |
| |
| params.hEnvironment = 0; |
| params.cmdLine = MapLS( cmdline ); |
| params.showCmd = MapLS( showCmd ); |
| params.reserved = 0; |
| |
| ret = LoadModule16( "winoldap.mod", ¶ms ); |
| UnMapLS( params.cmdLine ); |
| UnMapLS( params.showCmd ); |
| } |
| 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 NULL; |
| |
| 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 ); |
| } |
| |
| /*************************************************************************** |
| * 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; |
| unsigned int len; |
| const char *basename, *s; |
| 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 = 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 = 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 = GlobalLock16(hFirstModule); |
| while (pModule) { |
| if (pModule->module32 == hmod) |
| return pModule->self; |
| pModule = 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 = GlobalLock16(hmod); |
| if ((pModule->ne_magic != IMAGE_OS2_SIGNATURE) || !(pModule->ne_flags & NE_FFLAGS_WIN32)) |
| return 0; |
| return pModule->module32; |
| } |
| |
| /*************************************************************************** |
| * MapHInstLS (KERNEL.472) |
| */ |
| void WINAPI MapHInstLS16( CONTEXT *context ) |
| { |
| context->Eax = MapHModuleLS( (HMODULE)context->Eax ); |
| } |
| |
| /*************************************************************************** |
| * MapHInstSL (KERNEL.473) |
| */ |
| void WINAPI MapHInstSL16( CONTEXT *context ) |
| { |
| context->Eax = (DWORD)MapHModuleSL( context->Eax ); |
| } |
| |
| /*************************************************************************** |
| * MapHInstLS (KERNEL32.@) |
| */ |
| __ASM_STDCALL_FUNC( MapHInstLS, 0, |
| "pushl %eax\n\t" |
| "call " __ASM_NAME("MapHModuleLS") __ASM_STDCALL(4) "\n\t" |
| "ret" ) |
| |
| /*************************************************************************** |
| * MapHInstSL (KERNEL32.@) |
| */ |
| __ASM_STDCALL_FUNC( MapHInstSL, 0, |
| "pushl %eax\n\t" |
| "call " __ASM_NAME("MapHModuleSL") __ASM_STDCALL(4) "\n\t" |
| "ret" ) |
| |
| /*************************************************************************** |
| * MapHInstLS_PN (KERNEL32.@) |
| */ |
| __ASM_STDCALL_FUNC( MapHInstLS_PN, 0, |
| "testl %eax,%eax\n\t" |
| "jz 1f\n\t" |
| "pushl %eax\n\t" |
| "call " __ASM_NAME("MapHModuleLS") __ASM_STDCALL(4) "\n" |
| "1:\tret" ) |
| |
| /*************************************************************************** |
| * MapHInstSL_PN (KERNEL32.@) |
| */ |
| __ASM_STDCALL_FUNC( MapHInstSL_PN, 0, |
| "andl $0xffff,%eax\n\t" |
| "jz 1f\n\t" |
| "pushl %eax\n\t" |
| "call " __ASM_NAME("MapHModuleSL") __ASM_STDCALL(4) "\n" |
| "1:\tret" ) |
