| /* |
| * Win32 builtin functions |
| * |
| * Copyright 1997 Alexandre Julliard |
| */ |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <stdio.h> |
| #include <ctype.h> |
| #include "windef.h" |
| #include "wingdi.h" |
| #include "winuser.h" |
| #include "builtin32.h" |
| #include "peexe.h" |
| #include "neexe.h" |
| #include "heap.h" |
| #include "main.h" |
| #include "snoop.h" |
| #include "winerror.h" |
| #include "server.h" |
| #include "debugtools.h" |
| |
| DEFAULT_DEBUG_CHANNEL(module); |
| DECLARE_DEBUG_CHANNEL(relay); |
| |
| typedef struct |
| { |
| BYTE call; /* 0xe8 call callfrom32 (relative) */ |
| DWORD callfrom32 WINE_PACKED; /* RELAY_CallFrom32 relative addr */ |
| BYTE ret; /* 0xc2 ret $n or 0xc3 ret */ |
| WORD args; /* nb of args to remove from the stack */ |
| } DEBUG_ENTRY_POINT; |
| |
| typedef struct |
| { |
| const BYTE *restab; |
| const DWORD nresources; |
| const DWORD restabsize; |
| const IMAGE_RESOURCE_DATA_ENTRY *entries; |
| } BUILTIN32_RESOURCE; |
| |
| #define MAX_DLLS 60 |
| |
| static const BUILTIN32_DESCRIPTOR *builtin_dlls[MAX_DLLS]; |
| static HMODULE dll_modules[MAX_DLLS]; |
| static int nb_dlls; |
| |
| extern void RELAY_CallFrom32(); |
| extern void RELAY_CallFrom32Regs(); |
| |
| |
| /*********************************************************************** |
| * BUILTIN32_WarnSecondInstance |
| * |
| * Emit a warning when we are creating a second instance for a DLL |
| * that is known to not support this. |
| */ |
| static void BUILTIN32_WarnSecondInstance( const char *name ) |
| { |
| static const char * const warning_list[] = |
| { "comctl32", "comdlg32", "crtdll", "imagehlp", "msacm32", "shell32", NULL }; |
| |
| const char * const *ptr = warning_list; |
| |
| while (*ptr) |
| { |
| if (!strcasecmp( *ptr, name )) |
| { |
| ERR( "Attempt to instantiate built-in dll '%s' twice " |
| "in the same address space. Expect trouble!\n", name ); |
| return; |
| } |
| ptr++; |
| } |
| } |
| |
| /*********************************************************************** |
| * BUILTIN32_DoLoadImage |
| * |
| * Load a built-in Win32 module. Helper function for BUILTIN32_LoadImage. |
| */ |
| static HMODULE BUILTIN32_DoLoadImage( const BUILTIN32_DESCRIPTOR *descr ) |
| { |
| |
| IMAGE_DATA_DIRECTORY *dir; |
| IMAGE_DOS_HEADER *dos; |
| IMAGE_NT_HEADERS *nt; |
| IMAGE_SECTION_HEADER *sec; |
| IMAGE_EXPORT_DIRECTORY *exp; |
| IMAGE_IMPORT_DESCRIPTOR *imp; |
| const BUILTIN32_RESOURCE *rsrc = descr->rsrc; |
| LPVOID *funcs; |
| LPSTR *names; |
| LPSTR pfwd, rtab; |
| DEBUG_ENTRY_POINT *debug; |
| INT i, size, nb_sections; |
| BYTE *addr; |
| |
| /* Allocate the module */ |
| |
| nb_sections = 2; /* exports + code */ |
| if (descr->nb_imports) nb_sections++; |
| size = (sizeof(IMAGE_DOS_HEADER) |
| + sizeof(IMAGE_NT_HEADERS) |
| + nb_sections * sizeof(IMAGE_SECTION_HEADER) |
| + (descr->nb_imports+1) * sizeof(IMAGE_IMPORT_DESCRIPTOR) |
| + sizeof(IMAGE_EXPORT_DIRECTORY) |
| + descr->nb_funcs * sizeof(LPVOID) |
| + descr->nb_names * sizeof(LPSTR) |
| + descr->fwd_size); |
| #ifdef __i386__ |
| if (WARN_ON(relay) || TRACE_ON(relay)) |
| size += descr->nb_funcs * sizeof(DEBUG_ENTRY_POINT); |
| #endif |
| if (rsrc) size += rsrc->restabsize; |
| addr = VirtualAlloc( NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE ); |
| if (!addr) return 0; |
| dos = (IMAGE_DOS_HEADER *)addr; |
| nt = (IMAGE_NT_HEADERS *)(dos + 1); |
| sec = (IMAGE_SECTION_HEADER *)(nt + 1); |
| imp = (IMAGE_IMPORT_DESCRIPTOR *)(sec + nb_sections); |
| exp = (IMAGE_EXPORT_DIRECTORY *)(imp + descr->nb_imports + 1); |
| funcs = (LPVOID *)(exp + 1); |
| names = (LPSTR *)(funcs + descr->nb_funcs); |
| pfwd = (LPSTR)(names + descr->nb_names); |
| rtab = pfwd + descr->fwd_size; |
| debug = (DEBUG_ENTRY_POINT *)(rtab + (rsrc ? rsrc->restabsize : 0)); |
| |
| /* Build the DOS and NT headers */ |
| |
| dos->e_magic = IMAGE_DOS_SIGNATURE; |
| dos->e_lfanew = sizeof(*dos); |
| |
| nt->Signature = IMAGE_NT_SIGNATURE; |
| nt->FileHeader.Machine = IMAGE_FILE_MACHINE_I386; |
| nt->FileHeader.NumberOfSections = nb_sections; |
| nt->FileHeader.SizeOfOptionalHeader = sizeof(nt->OptionalHeader); |
| nt->FileHeader.Characteristics = descr->characteristics; |
| |
| nt->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR_MAGIC; |
| nt->OptionalHeader.SizeOfCode = 0x1000; |
| nt->OptionalHeader.SizeOfInitializedData = 0; |
| nt->OptionalHeader.SizeOfUninitializedData = 0; |
| nt->OptionalHeader.ImageBase = (DWORD)addr; |
| nt->OptionalHeader.SectionAlignment = 0x1000; |
| nt->OptionalHeader.FileAlignment = 0x1000; |
| nt->OptionalHeader.MajorOperatingSystemVersion = 1; |
| nt->OptionalHeader.MinorOperatingSystemVersion = 0; |
| nt->OptionalHeader.MajorSubsystemVersion = 4; |
| nt->OptionalHeader.MinorSubsystemVersion = 0; |
| nt->OptionalHeader.SizeOfImage = size; |
| nt->OptionalHeader.SizeOfHeaders = (BYTE *)exp - addr; |
| nt->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES; |
| if (descr->dllentrypoint) |
| nt->OptionalHeader.AddressOfEntryPoint = (DWORD)descr->dllentrypoint - (DWORD)addr; |
| |
| /* Build the code section */ |
| |
| strcpy( sec->Name, ".code" ); |
| sec->SizeOfRawData = 0; |
| #ifdef __i386__ |
| if (WARN_ON(relay) || TRACE_ON(relay)) |
| sec->SizeOfRawData += descr->nb_funcs * sizeof(DEBUG_ENTRY_POINT); |
| #endif |
| sec->Misc.VirtualSize = sec->SizeOfRawData; |
| sec->VirtualAddress = (BYTE *)debug - addr; |
| sec->PointerToRawData = (BYTE *)debug - addr; |
| sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA | |
| IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ); |
| sec++; |
| |
| /* Build the import directory */ |
| |
| if (descr->nb_imports) |
| { |
| dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY]; |
| dir->VirtualAddress = (BYTE *)imp - addr; |
| dir->Size = sizeof(*imp) * (descr->nb_imports + 1); |
| |
| /* Build the imports section */ |
| strcpy( sec->Name, ".idata" ); |
| sec->Misc.VirtualSize = dir->Size; |
| sec->VirtualAddress = (BYTE *)imp - addr; |
| sec->SizeOfRawData = dir->Size; |
| sec->PointerToRawData = (BYTE *)imp - addr; |
| sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA | |
| IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ | |
| IMAGE_SCN_MEM_WRITE); |
| sec++; |
| |
| /* Build the imports */ |
| for (i = 0; i < descr->nb_imports; i++) |
| { |
| imp[i].u.Characteristics = 0; |
| imp[i].ForwarderChain = -1; |
| imp[i].Name = (BYTE *)descr->imports[i] - addr; |
| /* hack: make first thunk point to some zero value */ |
| imp[i].FirstThunk = (PIMAGE_THUNK_DATA)((BYTE *)&imp[i].u.Characteristics - addr); |
| } |
| } |
| |
| /* Build the export directory */ |
| |
| dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_EXPORT_DIRECTORY]; |
| dir->VirtualAddress = (BYTE *)exp - addr; |
| dir->Size = sizeof(*exp) |
| + descr->nb_funcs * sizeof(LPVOID) |
| + descr->nb_names * sizeof(LPSTR) |
| + descr->fwd_size; |
| |
| /* Build the exports section */ |
| |
| strcpy( sec->Name, ".edata" ); |
| sec->Misc.VirtualSize = dir->Size; |
| sec->VirtualAddress = (BYTE *)exp - addr; |
| sec->SizeOfRawData = dir->Size; |
| sec->PointerToRawData = (BYTE *)exp - addr; |
| sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA | |
| IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ | |
| IMAGE_SCN_MEM_WRITE); |
| sec++; |
| |
| /* Build the resource directory */ |
| |
| if (rsrc) |
| { |
| IMAGE_RESOURCE_DATA_ENTRY *rdep; |
| |
| /* |
| * The resource directory has to be copied because it contains |
| * RVAs. These would be invalid if the dll is instantiated twice. |
| */ |
| memcpy(rtab, rsrc->restab, rsrc->restabsize); |
| |
| dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_RESOURCE_DIRECTORY]; |
| dir->VirtualAddress = (BYTE *)rtab - addr; |
| dir->Size = rsrc->restabsize; |
| rdep = (IMAGE_RESOURCE_DATA_ENTRY *)((DWORD)rtab + (DWORD)rsrc->entries - (DWORD)rsrc->restab); |
| for(i = 0; i < rsrc->nresources; i++) |
| { |
| rdep[i].OffsetToData += (DWORD)rsrc->restab - (DWORD)addr; |
| } |
| } |
| |
| /* Build the exports section data */ |
| |
| exp->Name = ((BYTE *)descr->name) - addr; /*??*/ |
| exp->Base = descr->base; |
| exp->NumberOfFunctions = descr->nb_funcs; |
| exp->NumberOfNames = descr->nb_names; |
| exp->AddressOfFunctions = (LPDWORD *)((BYTE *)funcs - addr); |
| exp->AddressOfNames = (LPDWORD *)((BYTE *)names - addr); |
| exp->AddressOfNameOrdinals = (LPWORD *)((BYTE *)descr->ordinals - addr); |
| |
| /* Build the funcs table */ |
| |
| for (i = 0; i < descr->nb_funcs; i++, funcs++, debug++) |
| { |
| BYTE args = descr->args[i]; |
| int j; |
| |
| if (!descr->functions[i]) continue; |
| |
| if (args == 0xfd) /* forward func */ |
| { |
| strcpy( pfwd, (LPSTR)descr->functions[i] ); |
| *funcs = (LPVOID)((BYTE *)pfwd - addr); |
| pfwd += strlen(pfwd) + 1; |
| } |
| else *funcs = (LPVOID)((BYTE *)descr->functions[i] - addr); |
| |
| #ifdef __i386__ |
| if (!(WARN_ON(relay) || TRACE_ON(relay))) continue; |
| for (j=0;j<descr->nb_names;j++) |
| if (descr->ordinals[j] == i) |
| break; |
| if (j<descr->nb_names) { |
| if (descr->names[j]) { |
| char buffer[200]; |
| sprintf(buffer,"%s.%d: %s",descr->name,i,descr->names[j]); |
| if (!RELAY_ShowDebugmsgRelay(buffer)) |
| continue; |
| } |
| } |
| switch(args) |
| { |
| case 0xfd: /* forward */ |
| case 0xff: /* stub or extern */ |
| break; |
| default: /* normal function (stdcall or cdecl or register) */ |
| if (TRACE_ON(relay)) { |
| debug->call = 0xe8; /* lcall relative */ |
| if (args & 0x40) /* register func */ |
| debug->callfrom32 = (DWORD)RELAY_CallFrom32Regs - |
| (DWORD)&debug->ret; |
| else |
| debug->callfrom32 = (DWORD)RELAY_CallFrom32 - |
| (DWORD)&debug->ret; |
| } else { |
| debug->call = 0xe9; /* ljmp relative */ |
| debug->callfrom32 = (DWORD)descr->functions[i] - |
| (DWORD)&debug->ret; |
| } |
| debug->ret = (args & 0x80) ? 0xc3 : 0xc2; /*ret/ret $n*/ |
| debug->args = (args & 0x3f) * sizeof(int); |
| *funcs = (LPVOID)((BYTE *)debug - addr); |
| break; |
| } |
| #endif /* __i386__ */ |
| } |
| |
| /* Build the names table */ |
| |
| for (i = 0; i < exp->NumberOfNames; i++, names++) |
| if (descr->names[i]) |
| *names = (LPSTR)((BYTE *)descr->names[i] - addr); |
| |
| return (HMODULE)addr; |
| } |
| |
| /*********************************************************************** |
| * BUILTIN32_LoadLibraryExA |
| * |
| * Partly copied from the original PE_ version. |
| * |
| */ |
| WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR path, DWORD flags) |
| { |
| struct load_dll_request *req = get_req_buffer(); |
| HMODULE16 hModule16; |
| NE_MODULE *pModule; |
| WINE_MODREF *wm; |
| char dllname[MAX_PATH], *p; |
| int i; |
| |
| /* Fix the name in case we have a full path and extension */ |
| if ((p = strrchr( path, '\\' ))) path = p + 1; |
| lstrcpynA( dllname, path, sizeof(dllname) ); |
| |
| p = strrchr( dllname, '.' ); |
| if (!p) strcat( dllname, ".dll" ); |
| |
| /* Search built-in descriptor */ |
| for (i = 0; i < nb_dlls; i++) |
| if (!lstrcmpiA( builtin_dlls[i]->filename, dllname )) break; |
| |
| if (i == nb_dlls) |
| { |
| SetLastError( ERROR_FILE_NOT_FOUND ); |
| return NULL; |
| } |
| |
| /* Load built-in module */ |
| if (!dll_modules[i]) |
| { |
| if (!(dll_modules[i] = BUILTIN32_DoLoadImage( builtin_dlls[i] ))) return NULL; |
| } |
| else BUILTIN32_WarnSecondInstance( builtin_dlls[i]->name ); |
| |
| /* Create 16-bit dummy module */ |
| if ((hModule16 = MODULE_CreateDummyModule( dllname, 0 )) < 32) |
| { |
| SetLastError( (DWORD)hModule16 ); |
| return NULL; /* FIXME: Should unload the builtin module */ |
| } |
| |
| pModule = (NE_MODULE *)GlobalLock16( hModule16 ); |
| pModule->flags = NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32 | NE_FFLAGS_BUILTIN; |
| pModule->module32 = dll_modules[i]; |
| |
| /* Create 32-bit MODREF */ |
| if ( !(wm = PE_CreateModule( pModule->module32, dllname, flags, TRUE )) ) |
| { |
| ERR( "can't load %s\n", path ); |
| FreeLibrary16( hModule16 ); /* FIXME: Should unload the builtin module */ |
| SetLastError( ERROR_OUTOFMEMORY ); |
| return NULL; |
| } |
| |
| if (wm->binfmt.pe.pe_export) |
| SNOOP_RegisterDLL(wm->module,wm->modname,wm->binfmt.pe.pe_export->NumberOfFunctions); |
| |
| req->handle = -1; |
| req->base = (void *)pModule->module32; |
| req->dbg_offset = 0; |
| req->dbg_size = 0; |
| req->name = &wm->modname; |
| server_call_noerr( REQ_LOAD_DLL ); |
| return wm; |
| } |
| |
| /*********************************************************************** |
| * BUILTIN32_LoadExeModule |
| */ |
| HMODULE16 BUILTIN32_LoadExeModule( void ) |
| { |
| HMODULE16 hModule16; |
| NE_MODULE *pModule; |
| int i, exe = -1; |
| |
| /* Search built-in EXE descriptor */ |
| for ( i = 0; i < nb_dlls; i++ ) |
| if ( !(builtin_dlls[i]->characteristics & IMAGE_FILE_DLL) ) |
| { |
| if ( exe != -1 ) |
| { |
| MESSAGE( "More than one built-in EXE module loaded!\n" ); |
| break; |
| } |
| |
| exe = i; |
| } |
| |
| if ( exe == -1 ) |
| { |
| MESSAGE( "No built-in EXE module loaded! Did you create a .spec file?\n" ); |
| return 0; |
| } |
| |
| /* Load built-in module */ |
| if ( !dll_modules[exe] ) |
| if ( !(dll_modules[exe] = BUILTIN32_DoLoadImage( builtin_dlls[exe] )) ) |
| return 0; |
| |
| /* Create 16-bit dummy module */ |
| hModule16 = MODULE_CreateDummyModule( builtin_dlls[exe]->filename, 0 ); |
| if ( hModule16 < 32 ) return 0; |
| pModule = (NE_MODULE *)GlobalLock16( hModule16 ); |
| pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32 | NE_FFLAGS_BUILTIN; |
| pModule->module32 = dll_modules[exe]; |
| |
| return hModule16; |
| } |
| |
| |
| /*********************************************************************** |
| * BUILTIN32_UnloadLibrary |
| * |
| * Unload the built-in library and free the modref. |
| */ |
| void BUILTIN32_UnloadLibrary(WINE_MODREF *wm) |
| { |
| /* FIXME: do something here */ |
| } |
| |
| |
| /*********************************************************************** |
| * BUILTIN32_GetEntryPoint |
| * |
| * Return the name of the DLL entry point corresponding |
| * to a relay entry point address. This is used only by relay debugging. |
| * |
| * This function _must_ return the real entry point to call |
| * after the debug info is printed. |
| */ |
| ENTRYPOINT32 BUILTIN32_GetEntryPoint( char *buffer, void *relay, |
| unsigned int *typemask ) |
| { |
| const BUILTIN32_DESCRIPTOR *descr = NULL; |
| int ordinal = 0, i; |
| |
| /* First find the module */ |
| |
| for (i = 0; i < nb_dlls; i++) |
| if (dll_modules[i]) |
| { |
| IMAGE_SECTION_HEADER *sec = PE_SECTIONS(dll_modules[i]); |
| DEBUG_ENTRY_POINT *debug = |
| (DEBUG_ENTRY_POINT *)((DWORD)dll_modules[i] + sec[0].VirtualAddress); |
| DEBUG_ENTRY_POINT *func = (DEBUG_ENTRY_POINT *)relay; |
| descr = builtin_dlls[i]; |
| if (debug <= func && func < debug + descr->nb_funcs) |
| { |
| ordinal = func - debug; |
| break; |
| } |
| } |
| |
| if (!descr) return NULL; |
| |
| /* Now find the function */ |
| |
| for (i = 0; i < descr->nb_names; i++) |
| if (descr->ordinals[i] == ordinal) break; |
| |
| sprintf( buffer, "%s.%d: %s", descr->name, ordinal + descr->base, |
| (i < descr->nb_names) ? descr->names[i] : "@" ); |
| *typemask = descr->argtypes[ordinal]; |
| return descr->functions[ordinal]; |
| } |
| |
| /*********************************************************************** |
| * BUILTIN32_SwitchRelayDebug |
| * |
| * FIXME: enhance to do it module relative. |
| */ |
| void BUILTIN32_SwitchRelayDebug(BOOL onoff) |
| { |
| const BUILTIN32_DESCRIPTOR *descr; |
| IMAGE_SECTION_HEADER *sec; |
| DEBUG_ENTRY_POINT *debug; |
| int i, j; |
| |
| #ifdef __i386__ |
| if (!(TRACE_ON(relay) || WARN_ON(relay))) |
| return; |
| for (j = 0; j < nb_dlls; j++) |
| { |
| if (!dll_modules[j]) continue; |
| sec = PE_SECTIONS(dll_modules[j]); |
| debug = (DEBUG_ENTRY_POINT *)((DWORD)dll_modules[j] + sec[1].VirtualAddress); |
| descr = builtin_dlls[j]; |
| for (i = 0; i < descr->nb_funcs; i++,debug++) { |
| if (!descr->functions[i]) continue; |
| if ((descr->args[i]==0xff) || (descr->args[i]==0xfe)) |
| continue; |
| if (onoff) { |
| debug->call = 0xe8; /* lcall relative */ |
| debug->callfrom32 = (DWORD)RELAY_CallFrom32 - |
| (DWORD)&debug->ret; |
| } else { |
| debug->call = 0xe9; /* ljmp relative */ |
| debug->callfrom32 = (DWORD)descr->functions[i] - |
| (DWORD)&debug->ret; |
| } |
| } |
| } |
| #endif /* __i386__ */ |
| return; |
| } |
| |
| /*********************************************************************** |
| * BUILTIN32_RegisterDLL |
| * |
| * Register a built-in DLL descriptor. |
| */ |
| void BUILTIN32_RegisterDLL( const BUILTIN32_DESCRIPTOR *descr ) |
| { |
| assert( nb_dlls < MAX_DLLS ); |
| builtin_dlls[nb_dlls++] = descr; |
| } |
| |
| /*********************************************************************** |
| * BUILTIN32_Unimplemented |
| * |
| * This function is called for unimplemented 32-bit entry points (declared |
| * as 'stub' in the spec file). |
| */ |
| void BUILTIN32_Unimplemented( const BUILTIN32_DESCRIPTOR *descr, int ordinal ) |
| { |
| const char *func_name = "???"; |
| int i; |
| |
| __RESTORE_ES; /* Just in case */ |
| |
| for (i = 0; i < descr->nb_names; i++) |
| if (descr->ordinals[i] + descr->base == ordinal) break; |
| if (i < descr->nb_names) func_name = descr->names[i]; |
| |
| MESSAGE( "No handler for Win32 routine %s.%d: %s", |
| descr->name, ordinal, func_name ); |
| #ifdef __GNUC__ |
| MESSAGE( " (called from %p)", __builtin_return_address(1) ); |
| #endif |
| MESSAGE( "\n" ); |
| ExitProcess(1); |
| } |
