Sweden-Number/loader/ne/module.c

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Release 980503 Thu Apr 30 16:28:12 1998 James Juran <jrj120@psu.edu> * [scheduler/process.c] Implemented GetExitCodeProcess. The code is a direct translation of GetExitCodeThread. Mon Apr 27 22:20:25 1998 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> * [loader/pe_image.c] Unload dummy module when PE_LoadLibraryEx32A fails with PE_LoadImage (makes Encarta 98 installer proceed). * [files/drive.c] Make GetDriveType16 return DRIVE_REMOVABLE for TYPE_CDROM. Make GetCurrentDirectory32 behave like the code does and not like the help describes. * [files/profile.c] Revoke recent change in PROFILE_GetSection and try better handling of special case. * [include/windows.h] Change definition of ACCEL32. * [misc/commdlg.c] Replace the GetXXXFilename32 macros by normal code. Fix two reported bugs in my changes to commdlg. * [windows/win.c] Add a hook to catch bogus WM_SIZE messages by emitting a warning in the appropriate case. * [objects/bitmap.c] Reject unreasonbable large size arguments in CreateCompatibleBitmap32 and add an fixme for that situation. Sun Apr 26 18:30:07 1998 Alexandre Julliard <julliard@lrc.epfl.ch> * [include/ldt.h] [debugger/*.c] [miscemu/instr.c] Added IS_SELECTOR_SYSTEM and IS_SELECTOR_32BIT macros. Make instruction emulation support system selectors. * [loader/*.c] Started moving NE specific functions to the new loader/ne directory. * [memory/environ.c] Enforce the 127 chars limit only when creating the environment of a Win16 process. Sun Apr 26 12:22:23 1998 Andreas Mohr <100.30936@germany.net> * [files/file.c] Fixed an incredible typo in CopyFile32A that made it unusable since a rewrite in 970112 (!!). * [files/directory.c] Fixed GetTempPath32A/W to include trailing backslash. * [misc/ver.c] Make find_pe_resource "work" with corrupt files. * [misc/wsprintf.c] Altered WPRINTF_ParseFormatA/W to treat invalid format chars as normal output, too. * [msdos/dpmi.c] Implemented "Allocate/Free real mode callback" (0x0303/0x0304). Cross your fingers if you need to use it ;) (completely untested) Implemented "Call real mode proc with far return" (0x0301, tested). * [msdos/int21.c] Fixed ioctlGenericBlkDevReq/0x60. * [relay32/dplayx.spec] [relay32/builtin32.c] [relay32/Makefile.in] Added built-in DPLAYX.DLL. * [windows/win.c] Fixed GetWindowWord()/GWW_HWNDPARENT to return the window's owner if it has no parent (SDK). Sat Apr 25 15:09:53 1998 M.T.Fortescue <mark@mtfhpc.demon.co.uk> * [debugger/db_disasm.c] Fixed disassemble bug for no-display option and 'lock', 'repne' and 'repe' prefixes. * [debugger/registers.c] Added textual flag description output on 'info regs'. Sat Apr 25 14:18:26 1998 Matthew Becker <mbecker@glasscity.net> * [*/*.c] Added stubs and/or documentation for the following functions: LookupPrivilegeValue, OpenService, ControlService, RegGetKeySecurity, StartService, SetComputerName, DeleteService, CloseServiceHandle, OpenProcessToken, OpenSCManager, DeregisterEventSource, WaitForDebugEvent, WaitForInputIdle, RegisterEventSource, SetDebugErrorLevel, SetConsoleCursorPosition, ChoosePixelFormat, SetPixelFormat, GetPixelFormat, DescribePixelFormat, SwapBuffers, PolyBezier, AbortPath, DestroyAcceleratorTable, HeapWalk, DdeInitialize, DdeUninitialize, DdeConnectList, DdeDisconnectList, DdeCreateStringHandle, DdePostAdvise, DdeGetData, DdeNameService, DdeGetLastError, WNetGetDirectoryType, EnumPrinters, RegFlushKey, RegGetKeySecurity, DllGetClassObject, DllCanUnloadNow, CreateBitmap, CreateCompatibleBitmap, CreateBitmapIndirect, GetBitmapBits, SetBitmapBits, LoadImage, CopyImage, LoadBitmap, DrawIcon, CreateDiscardableBitmap, SetDIBits, GetCharABCWidths, LoadTypeLib, SetConsoleCtrlHandler, CreateConsoleScreenBuffer, ReadConsoleInput, GetConsoleCursorInfo, SetConsoleCursorInfo, SetConsoleWindowInfo, SetConsoleTextAttribute, SetConsoleScreenBufferSize, FillConsoleOutputCharacter, FillConsoleOutputAttribute, CreateMailslot, GetMailslotInfo, GetCompressedFileSize, GetProcessWindowStation, GetThreadDesktop, SetDebugErrorLevel, WaitForDebugEvent, SetComputerName, CreateMDIWindow. Thu Apr 23 23:54:04 1998 Douglas Ridgway <ridgway@winehq.com> * [include/windows.h] [objects/enhmetafile.c] [relay32/gdi32.spec] Implement CopyEnhMetaFile, Get/SetEnhMetaFileBits, other fixes. * [include/windows.h] [objects/metafile.c] [relay32/gdi32.spec] 32-bit metafile fixes, implement EnumMetaFile32, GetMetaFileBitsEx. * [objects/font.c] [graphics/x11drv/xfont.c] [graphics/x11drv/text.c] Some rotated text support for X11R6 displays. * [win32/newfns.c] [ole/ole2nls.c] Moved GetNumberFormat32A. Wed Apr 22 17:38:20 1998 David Lee Lambert <lamber45@egr.msu.edu> * [ole/ole2nls.c] [misc/network.c] Changed some function documentation to the new style. * [misc/network.c] [include/windows.h] [if1632/user.spec] [relay32/mpr.spec] [misc/mpr.c] Added stubs for some Win32 network functions; renamed some 16-bit ones with 32-bit counterparts, as well as WNetGetDirectoryType; moved the stubs in misc/mpr.c (three of them!) to misc/network.c. * [ole/compobj.c] [ole/storage.c] [ole/ole2disp.c] [ole/ole2nls.c] [ole/folders.c] [ole/moniker.c] [ole/ole2.c] [graphics/fontengine.c] [graphics/ddraw.c] [graphics/env.c] [graphics/driver.c] [graphics/escape.c] Changed fprintf's to proper debug-macros. * [include/winnls.h] Added some flags (for internal use). * [ole/ole2nls.c] Added the Unicode core function, and worked out a way to hide the commonality of the core. * [relay32/kernel32.spec] Added support for GetDate/Time32A/W. Wed Apr 22 09:16:03 1998 Gordon Chaffee <chaffee@cs.berkeley.edu> * [win32/code_page.c] Fixed problem with MultiByteToWideChar that was introduced in last release. Made MultiByteToWideChar more compatible with Win32. * [graphics/x11drv/graphics.c] Fixed problem with drawing arcs. Tue Apr 21 11:24:58 1998 Constantine Sapuntzakis <csapuntz@tma-1.lcs.mit.edu> * [ole/ole2nls.c] Move stuff from 0x409 case to Lang_En. * [relay32/user32.spec] [windows/winpos.c] Added stubs for GetWindowRgn32 and SetWindowRgn32. Makes Office Paperclip happy. Tue Apr 21 11:16:16 1998 Constantine Sapuntzakis <csapuntz@tma-1.lcs.mit.edu> * [loader/pe_image.c] If image is relocated, TLS addresses need to be adjusted. * [debugger/*.c] Generalized tests for 32-bit segments. Tue Apr 21 02:04:59 1998 James Juran <jrj120@psu.edu> * [misc/*.c] [miscemu/*.c] [msdos/*.c] [if1632/*.c] [include/*.h] [loader/*.c] [memory/*.c] [multimedia/*.c] [objects/*.c] Almost all fprintf statements converted to appropriate debug messages. * [README] Updated "GETTING MORE INFORMATION" section to include WineHQ. * [documentation/debugger] Fixed typo. * [windows/defwnd.c] Added function documentation. Sun Apr 19 16:30:58 1998 Marcus Meissner <marcus@mud.de> * [Make.rules.in] Added lint target (using lclint). * [relay32/oleaut32.spec][relay32/Makefile.in][ole/typelib.c] [ole/ole2disp.c] Added oleaut32 spec, added some SysString functions. * [if1632/signal.c] Added printing of faultaddress in Linux (using CR2 debug register). * [configure.in] Added <sys/types.h> for statfs checks. * [loader/*.c][debugger/break.c][debugger/hash.c] Started to split win32/win16 module handling, preparing support for other binary formats (like ELF). Sat Apr 18 10:07:41 1998 Rein Klazes <rklazes@casema.net> * [misc/registry.c] Fixed a bug that made RegQueryValuexxx returning incorrect registry values. Fri Apr 17 22:59:22 1998 Alexander V. Lukyanov <lav@long.yar.ru> * [misc/lstr.c] FormatMessage32*: remove linefeed when nolinefeed set; check for target underflow. Fri Apr 17 00:38:14 1998 Alexander V. Lukyanov <lav@long.yar.ru> * [misc/crtdll.c] Implement xlat_file_ptr for CRT stdin/stdout/stderr address translation. Wed Apr 15 20:43:56 1998 Jim Peterson <jspeter@birch.ee.vt.edu> * [controls/menu.c] Added 'odaction' parameter to MENU_DrawMenuItem() and redirected WM_DRAWITEM messages to GetWindow(hwnd,GW_OWNER). Tue Apr 14 16:17:55 1998 Berend Reitsma <berend@united-info.com> * [graphics/metafiledrv/init.c] [graphics/painting.c] [graphics/win16drv/init.c] [graphics/x11drv/graphics.c] [graphics/x11drv/init.c] [include/gdi.h] [include/x11drv.h] [relay32/gdi32.spec] Added PolyPolyline routine. * [windows/winproc.c] Changed WINPROC_GetProc() to return proc instead of &(jmp proc).
1998-05-03 21:01:20 +02:00
/*
* NE modules
*
* Copyright 1995 Alexandre Julliard
*/
#include <assert.h>
#include <stdlib.h>
#include "module.h"
#include "ldt.h"
#include "heap.h"
#include "global.h"
#include "process.h"
#include "debug.h"
HMODULE16 hFirstModule = 0;
/***********************************************************************
* NE_DumpModule
*/
void NE_DumpModule( HMODULE16 hModule )
{
int i, ordinal;
SEGTABLEENTRY *pSeg;
BYTE *pstr;
WORD *pword;
NE_MODULE *pModule;
if (!(pModule = MODULE_GetPtr16( hModule )))
{
fprintf( stderr, "**** %04x is not a module handle\n", hModule );
return;
}
/* Dump the module info */
DUMP( "---\n" );
DUMP( "Module %04x:\n", hModule );
DUMP( "count=%d flags=%04x heap=%d stack=%d\n",
pModule->count, pModule->flags,
pModule->heap_size, pModule->stack_size );
DUMP( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup,
pModule->seg_count, pModule->modref_count );
DUMP( "os_flags=%d swap_area=%d version=%04x\n",
pModule->os_flags, pModule->min_swap_area,
pModule->expected_version );
if (pModule->flags & NE_FFLAGS_WIN32)
DUMP( "PE module=%08x\n", pModule->module32 );
/* Dump the file info */
DUMP( "---\n" );
DUMP( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
/* Dump the segment table */
DUMP( "---\n" );
DUMP( "Segment table:\n" );
pSeg = NE_SEG_TABLE( pModule );
for (i = 0; i < pModule->seg_count; i++, pSeg++)
DUMP( "%02x: pos=%d size=%d flags=%04x minsize=%d sel=%04x\n",
i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
pSeg->minsize, pSeg->selector );
/* Dump the resource table */
DUMP( "---\n" );
DUMP( "Resource table:\n" );
if (pModule->res_table)
{
pword = (WORD *)((BYTE *)pModule + pModule->res_table);
DUMP( "Alignment: %d\n", *pword++ );
while (*pword)
{
struct resource_typeinfo_s *ptr = (struct resource_typeinfo_s *)pword;
struct resource_nameinfo_s *pname = (struct resource_nameinfo_s *)(ptr + 1);
DUMP( "id=%04x count=%d\n", ptr->type_id, ptr->count );
for (i = 0; i < ptr->count; i++, pname++)
DUMP( "offset=%d len=%d id=%04x\n",
pname->offset, pname->length, pname->id );
pword = (WORD *)pname;
}
}
else DUMP( "None\n" );
/* Dump the resident name table */
DUMP( "---\n" );
DUMP( "Resident-name table:\n" );
pstr = (char *)pModule + pModule->name_table;
while (*pstr)
{
DUMP( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
*(WORD *)(pstr + *pstr + 1) );
pstr += *pstr + 1 + sizeof(WORD);
}
/* Dump the module reference table */
DUMP( "---\n" );
DUMP( "Module ref table:\n" );
if (pModule->modref_table)
{
pword = (WORD *)((BYTE *)pModule + pModule->modref_table);
for (i = 0; i < pModule->modref_count; i++, pword++)
{
DUMP( "%d: %04x -> '%s'\n", i, *pword,
MODULE_GetModuleName(*pword));
}
}
else DUMP( "None\n" );
/* Dump the entry table */
DUMP( "---\n" );
DUMP( "Entry table:\n" );
pstr = (char *)pModule + pModule->entry_table;
ordinal = 1;
while (*pstr)
{
DUMP( "Bundle %d-%d: %02x\n", ordinal, ordinal + *pstr - 1, pstr[1]);
if (!pstr[1])
{
ordinal += *pstr;
pstr += 2;
}
else if ((BYTE)pstr[1] == 0xff) /* moveable */
{
i = *pstr;
pstr += 2;
while (i--)
{
DUMP( "%d: %02x:%04x (moveable)\n",
ordinal++, pstr[3], *(WORD *)(pstr + 4) );
pstr += 6;
}
}
else /* fixed */
{
i = *pstr;
pstr += 2;
while (i--)
{
DUMP( "%d: %04x (fixed)\n",
ordinal++, *(WORD *)(pstr + 1) );
pstr += 3;
}
}
}
/* Dump the non-resident names table */
DUMP( "---\n" );
DUMP( "Non-resident names table:\n" );
if (pModule->nrname_handle)
{
pstr = (char *)GlobalLock16( pModule->nrname_handle );
while (*pstr)
{
DUMP( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
*(WORD *)(pstr + *pstr + 1) );
pstr += *pstr + 1 + sizeof(WORD);
}
}
DUMP( "\n" );
}
/***********************************************************************
* NE_WalkModules
*
* Walk the module list and print the modules.
*/
void NE_WalkModules(void)
{
HMODULE16 hModule = hFirstModule;
fprintf( stderr, "Module Flags Name\n" );
while (hModule)
{
NE_MODULE *pModule = MODULE_GetPtr16( hModule );
if (!pModule)
{
fprintf( stderr, "**** Bad module %04x in list\n", hModule );
return;
}
fprintf( stderr, " %04x %04x %.*s\n", hModule, pModule->flags,
*((char *)pModule + pModule->name_table),
(char *)pModule + pModule->name_table + 1 );
hModule = pModule->next;
}
}
/**********************************************************************
* NE_RegisterModule
*/
void NE_RegisterModule( NE_MODULE *pModule )
{
pModule->next = hFirstModule;
hFirstModule = pModule->self;
}
/***********************************************************************
* NE_GetOrdinal
*
* Lookup the ordinal for a given name.
*/
WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
{
unsigned char buffer[256], *cpnt;
BYTE len;
NE_MODULE *pModule;
if (!(pModule = MODULE_GetPtr16( hModule ))) return 0;
assert( !(pModule->flags & NE_FFLAGS_WIN32) );
TRACE( module, "(%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 );
CharUpper32A( buffer );
len = strlen( buffer );
/* First search the resident names */
cpnt = (char *)pModule + pModule->name_table;
/* Skip the first entry (module name) */
cpnt += *cpnt + 1 + sizeof(WORD);
while (*cpnt)
{
if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
{
TRACE(module, " Found: ordinal=%d\n",
*(WORD *)(cpnt + *cpnt + 1) );
return *(WORD *)(cpnt + *cpnt + 1);
}
cpnt += *cpnt + 1 + sizeof(WORD);
}
/* Now search the non-resident names table */
if (!pModule->nrname_handle) return 0; /* No non-resident table */
cpnt = (char *)GlobalLock16( pModule->nrname_handle );
/* Skip the first entry (module description string) */
cpnt += *cpnt + 1 + sizeof(WORD);
while (*cpnt)
{
if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
{
TRACE(module, " Found: ordinal=%d\n",
*(WORD *)(cpnt + *cpnt + 1) );
return *(WORD *)(cpnt + *cpnt + 1);
}
cpnt += *cpnt + 1 + sizeof(WORD);
}
return 0;
}
/***********************************************************************
* NE_GetEntryPoint (WPROCS.27)
*
* Return the entry point for a given ordinal.
*/
FARPROC16 NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
{
NE_MODULE *pModule;
WORD curOrdinal = 1;
BYTE *p;
WORD sel, offset;
if (!(pModule = MODULE_GetPtr16( hModule ))) return 0;
assert( !(pModule->flags & NE_FFLAGS_WIN32) );
p = (BYTE *)pModule + pModule->entry_table;
while (*p && (curOrdinal + *p <= ordinal))
{
/* Skipping this bundle */
curOrdinal += *p;
switch(p[1])
{
case 0: p += 2; break; /* unused */
case 0xff: p += 2 + *p * 6; break; /* moveable */
default: p += 2 + *p * 3; break; /* fixed */
}
}
if (!*p) return 0;
switch(p[1])
{
case 0: /* unused */
return 0;
case 0xff: /* moveable */
p += 2 + 6 * (ordinal - curOrdinal);
sel = p[3];
offset = *(WORD *)(p + 4);
break;
default: /* fixed */
sel = p[1];
p += 2 + 3 * (ordinal - curOrdinal);
offset = *(WORD *)(p + 1);
break;
}
if (sel == 0xfe) sel = 0xffff; /* constant entry */
else sel = (WORD)(DWORD)NE_SEG_TABLE(pModule)[sel-1].selector;
return (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( sel, offset );
}
/***********************************************************************
* NE_SetEntryPoint
*
* Change the value of an entry point. Use with caution!
* It can only change the offset value, not the selector.
*/
BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
{
NE_MODULE *pModule;
WORD curOrdinal = 1;
BYTE *p;
if (!(pModule = MODULE_GetPtr16( hModule ))) return FALSE;
assert( !(pModule->flags & NE_FFLAGS_WIN32) );
p = (BYTE *)pModule + pModule->entry_table;
while (*p && (curOrdinal + *p <= ordinal))
{
/* Skipping this bundle */
curOrdinal += *p;
switch(p[1])
{
case 0: p += 2; break; /* unused */
case 0xff: p += 2 + *p * 6; break; /* moveable */
default: p += 2 + *p * 3; break; /* fixed */
}
}
if (!*p) return FALSE;
switch(p[1])
{
case 0: /* unused */
return FALSE;
case 0xff: /* moveable */
p += 2 + 6 * (ordinal - curOrdinal);
*(WORD *)(p + 4) = offset;
break;
default: /* fixed */
p += 2 + 3 * (ordinal - curOrdinal);
*(WORD *)(p + 1) = offset;
break;
}
return TRUE;
}
/***********************************************************************
* NE_LoadExeHeader
*/
static HMODULE16 NE_LoadExeHeader( HFILE32 hFile, OFSTRUCT *ofs )
{
IMAGE_DOS_HEADER mz_header;
IMAGE_OS2_HEADER ne_header;
int size;
HMODULE16 hModule;
NE_MODULE *pModule;
BYTE *pData;
char *buffer, *fastload = NULL;
int fastload_offset = 0, fastload_length = 0;
/* Read a block from either the file or the fast-load area. */
#define READ(offset,size,buffer) \
((fastload && ((offset) >= fastload_offset) && \
((offset)+(size) <= fastload_offset+fastload_length)) ? \
(memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \
(_llseek32( hFile, (offset), SEEK_SET), \
_lread32( hFile, (buffer), (size) ) == (size)))
_llseek32( hFile, 0, SEEK_SET );
if ((_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
(mz_header.e_magic != IMAGE_DOS_SIGNATURE))
return (HMODULE16)11; /* invalid exe */
_llseek32( hFile, mz_header.e_lfanew, SEEK_SET );
if (_lread32( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
return (HMODULE16)11; /* invalid exe */
if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */
if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */
if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) {
fprintf(stderr, "Sorry, this is an OS/2 linear executable (LX) file !\n");
return (HMODULE16)12;
}
/* We now have a valid NE header */
size = sizeof(NE_MODULE) +
/* loaded file info */
sizeof(OFSTRUCT)-sizeof(ofs->szPathName)+strlen(ofs->szPathName)+1+
/* segment table */
ne_header.n_segment_tab * sizeof(SEGTABLEENTRY) +
/* resource table */
ne_header.rname_tab_offset - ne_header.resource_tab_offset +
/* resident names table */
ne_header.moduleref_tab_offset - ne_header.rname_tab_offset +
/* module ref table */
ne_header.n_mod_ref_tab * sizeof(WORD) +
/* imported names table */
ne_header.entry_tab_offset - ne_header.iname_tab_offset +
/* entry table length */
ne_header.entry_tab_length;
hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
if (!hModule) return (HMODULE16)11; /* invalid exe */
FarSetOwner( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
memcpy( pModule, &ne_header, sizeof(ne_header) );
pModule->count = 0;
pModule->module32 = 0;
pModule->self = hModule;
pModule->self_loading_sel = 0;
pData = (BYTE *)(pModule + 1);
/* Clear internal Wine flags in case they are set in the EXE file */
pModule->flags &= ~(NE_FFLAGS_BUILTIN|NE_FFLAGS_WIN32|NE_FFLAGS_IMPLICIT);
/* Read the fast-load area */
if (ne_header.additional_flags & NE_AFLAGS_FASTLOAD)
{
fastload_offset=ne_header.fastload_offset<<ne_header.align_shift_count;
fastload_length=ne_header.fastload_length<<ne_header.align_shift_count;
TRACE(module, "Using fast-load area offset=%x len=%d\n",
fastload_offset, fastload_length );
if ((fastload = HeapAlloc( SystemHeap, 0, fastload_length )) != NULL)
{
_llseek32( hFile, fastload_offset, SEEK_SET);
if (_lread32(hFile, fastload, fastload_length) != fastload_length)
{
HeapFree( SystemHeap, 0, fastload );
fprintf(stderr, "Error reading fast-load area !\n");
fastload = NULL;
}
}
}
/* Store the filename information */
pModule->fileinfo = (int)pData - (int)pModule;
size = sizeof(OFSTRUCT)-sizeof(ofs->szPathName)+strlen(ofs->szPathName)+1;
memcpy( pData, ofs, size );
((OFSTRUCT *)pData)->cBytes = size - 1;
pData += size;
/* Get the segment table */
pModule->seg_table = (int)pData - (int)pModule;
buffer = HeapAlloc( SystemHeap, 0, ne_header.n_segment_tab *
sizeof(struct ne_segment_table_entry_s));
if (buffer)
{
int i;
struct ne_segment_table_entry_s *pSeg;
if (!READ( mz_header.e_lfanew + ne_header.segment_tab_offset,
ne_header.n_segment_tab * sizeof(struct ne_segment_table_entry_s),
buffer ))
{
HeapFree( SystemHeap, 0, buffer );
if (fastload) HeapFree( SystemHeap, 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pSeg = (struct ne_segment_table_entry_s *)buffer;
for (i = ne_header.n_segment_tab; i > 0; i--, pSeg++)
{
memcpy( pData, pSeg, sizeof(*pSeg) );
pData += sizeof(SEGTABLEENTRY);
}
HeapFree( SystemHeap, 0, buffer );
}
else
{
if (fastload) HeapFree( SystemHeap, 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
/* Get the resource table */
if (ne_header.resource_tab_offset < ne_header.rname_tab_offset)
{
pModule->res_table = (int)pData - (int)pModule;
if (!READ(mz_header.e_lfanew + ne_header.resource_tab_offset,
ne_header.rname_tab_offset - ne_header.resource_tab_offset,
pData )) return (HMODULE16)11; /* invalid exe */
pData += ne_header.rname_tab_offset - ne_header.resource_tab_offset;
NE_InitResourceHandler( hModule );
}
else pModule->res_table = 0; /* No resource table */
/* Get the resident names table */
pModule->name_table = (int)pData - (int)pModule;
if (!READ( mz_header.e_lfanew + ne_header.rname_tab_offset,
ne_header.moduleref_tab_offset - ne_header.rname_tab_offset,
pData ))
{
if (fastload) HeapFree( SystemHeap, 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.moduleref_tab_offset - ne_header.rname_tab_offset;
/* Get the module references table */
if (ne_header.n_mod_ref_tab > 0)
{
pModule->modref_table = (int)pData - (int)pModule;
if (!READ( mz_header.e_lfanew + ne_header.moduleref_tab_offset,
ne_header.n_mod_ref_tab * sizeof(WORD),
pData ))
{
if (fastload) HeapFree( SystemHeap, 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.n_mod_ref_tab * sizeof(WORD);
}
else pModule->modref_table = 0; /* No module references */
/* Get the imported names table */
pModule->import_table = (int)pData - (int)pModule;
if (!READ( mz_header.e_lfanew + ne_header.iname_tab_offset,
ne_header.entry_tab_offset - ne_header.iname_tab_offset,
pData ))
{
if (fastload) HeapFree( SystemHeap, 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.entry_tab_offset - ne_header.iname_tab_offset;
/* Get the entry table */
pModule->entry_table = (int)pData - (int)pModule;
if (!READ( mz_header.e_lfanew + ne_header.entry_tab_offset,
ne_header.entry_tab_length,
pData ))
{
if (fastload) HeapFree( SystemHeap, 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.entry_tab_length;
/* Free the fast-load area */
#undef READ
if (fastload) HeapFree( SystemHeap, 0, fastload );
/* Get the non-resident names table */
if (ne_header.nrname_tab_length)
{
pModule->nrname_handle = GLOBAL_Alloc( 0, ne_header.nrname_tab_length,
hModule, FALSE, FALSE, FALSE );
if (!pModule->nrname_handle)
{
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
buffer = GlobalLock16( pModule->nrname_handle );
_llseek32( hFile, ne_header.nrname_tab_offset, SEEK_SET );
if (_lread32( hFile, buffer, ne_header.nrname_tab_length )
!= ne_header.nrname_tab_length)
{
GlobalFree16( pModule->nrname_handle );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
}
else pModule->nrname_handle = 0;
/* Allocate a segment for the implicitly-loaded DLLs */
if (pModule->modref_count)
{
pModule->dlls_to_init = GLOBAL_Alloc(GMEM_ZEROINIT,
(pModule->modref_count+1)*sizeof(HMODULE16),
hModule, FALSE, FALSE, FALSE );
if (!pModule->dlls_to_init)
{
if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
}
else pModule->dlls_to_init = 0;
NE_RegisterModule( pModule );
return hModule;
}
/***********************************************************************
* NE_LoadDLLs
*
* Load all DLLs implicitly linked to a module.
*/
static BOOL32 NE_LoadDLLs( NE_MODULE *pModule )
{
int i;
WORD *pModRef = (WORD *)((char *)pModule + pModule->modref_table);
WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init );
for (i = 0; i < pModule->modref_count; i++, pModRef++)
{
char buffer[256];
BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef;
memcpy( buffer, pstr + 1, *pstr );
strcpy( buffer + *pstr, ".dll" );
TRACE(module, "Loading '%s'\n", buffer );
if (!(*pModRef = MODULE_FindModule16( buffer )))
{
/* If the DLL is not loaded yet, load it and store */
/* its handle in the list of DLLs to initialize. */
HMODULE16 hDLL;
if ((hDLL = MODULE_Load( buffer, NE_FFLAGS_IMPLICIT,
NULL, NULL, 0 )) == 2)
{
/* file not found */
char *p;
/* Try with prepending the path of the current module */
GetModuleFileName16( pModule->self, buffer, sizeof(buffer) );
if (!(p = strrchr( buffer, '\\' ))) p = buffer;
memcpy( p + 1, pstr + 1, *pstr );
strcpy( p + 1 + *pstr, ".dll" );
hDLL = MODULE_Load( buffer, NE_FFLAGS_IMPLICIT, NULL, NULL, 0);
}
if (hDLL < 32)
{
/* FIXME: cleanup what was done */
fprintf( stderr, "Could not load '%s' required by '%.*s', error = %d\n",
buffer, *((BYTE*)pModule + pModule->name_table),
(char *)pModule + pModule->name_table + 1, hDLL );
return FALSE;
}
*pModRef = GetExePtr( hDLL );
*pDLLs++ = *pModRef;
}
else /* Increment the reference count of the DLL */
{
NE_MODULE *pOldDLL = MODULE_GetPtr16( *pModRef );
if (pOldDLL) pOldDLL->count++;
}
}
return TRUE;
}
/**********************************************************************
* NE_LoadModule
*
* Implementation of LoadModule().
*
* cmd_line must contain the whole command-line, including argv[0] (and
* without a preceding length byte).
* If cmd_line is NULL, the module is loaded as a library even if it is a .exe
*/
HINSTANCE16 NE_LoadModule( HFILE32 hFile, OFSTRUCT *ofs, UINT16 flags,
LPCSTR cmd_line, LPCSTR env, UINT32 show_cmd )
{
HMODULE16 hModule;
HINSTANCE16 hInstance;
NE_MODULE *pModule;
/* Create the module structure */
if ((hModule = NE_LoadExeHeader( hFile, ofs )) < 32) return hModule;
pModule = MODULE_GetPtr16( hModule );
pModule->flags |= flags; /* stamp implicitly loaded modules */
/* Allocate the segments for this module */
NE_CreateSegments( hModule );
hInstance = MODULE_CreateInstance( hModule, NULL, (cmd_line == NULL) );
/* Load the referenced DLLs */
if (!NE_LoadDLLs( pModule ))
return 2; /* File not found (FIXME: free everything) */
/* Load the segments */
NE_LoadAllSegments( pModule );
/* Fixup the functions prologs */
NE_FixupPrologs( 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;
/* Call initialization rountines for all loaded DLLs. Note that
* when we load implicitly linked DLLs this will be done by InitTask().
*/
if ((pModule->flags & (NE_FFLAGS_LIBMODULE | NE_FFLAGS_IMPLICIT)) ==
NE_FFLAGS_LIBMODULE)
NE_InitializeDLLs( hModule );
/* Create a task for this instance */
if (cmd_line && !(pModule->flags & NE_FFLAGS_LIBMODULE))
{
PDB32 *pdb;
pModule->flags |= NE_FFLAGS_GUI;
pdb = PROCESS_Create( pModule, cmd_line, env, hInstance, 0, show_cmd );
if (pdb && (GetNumTasks() > 1)) Yield16();
}
return hInstance;
}