mirror of
git://source.winehq.org/git/wine.git
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1206 lines
36 KiB
C
1206 lines
36 KiB
C
/*
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* NE modules
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*
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* Copyright 1995 Alexandre Julliard
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*/
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#include <assert.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "module.h"
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#include "file.h"
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#include "ldt.h"
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#include "callback.h"
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#include "heap.h"
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#include "task.h"
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#include "global.h"
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#include "process.h"
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#include "toolhelp.h"
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#include "snoop.h"
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#include "stackframe.h"
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#include "debug.h"
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FARPROC16 (*fnSNOOP16_GetProcAddress16)(HMODULE16,DWORD,FARPROC16) = NULL;
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void (*fnSNOOP16_RegisterDLL)(NE_MODULE*,LPCSTR) = NULL;
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#define hFirstModule (pThhook->hExeHead)
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static NE_MODULE *pCachedModule = 0; /* Module cached by NE_OpenFile */
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static HMODULE16 NE_LoadBuiltin(LPCSTR name,BOOL32 force) { return 0; }
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HMODULE16 (*fnBUILTIN_LoadModule)(LPCSTR name,BOOL32 force) = NE_LoadBuiltin;
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/***********************************************************************
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* NE_GetPtr
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*/
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NE_MODULE *NE_GetPtr( HMODULE16 hModule )
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{
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return (NE_MODULE *)GlobalLock16( GetExePtr(hModule) );
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}
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/***********************************************************************
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* NE_DumpModule
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*/
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void NE_DumpModule( HMODULE16 hModule )
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{
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int i, ordinal;
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SEGTABLEENTRY *pSeg;
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BYTE *pstr;
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WORD *pword;
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NE_MODULE *pModule;
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if (!(pModule = NE_GetPtr( hModule )))
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{
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MSG( "**** %04x is not a module handle\n", hModule );
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return;
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}
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/* Dump the module info */
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DUMP( "---\n" );
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DUMP( "Module %04x:\n", hModule );
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DUMP( "count=%d flags=%04x heap=%d stack=%d\n",
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pModule->count, pModule->flags,
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pModule->heap_size, pModule->stack_size );
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DUMP( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
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pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup,
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pModule->seg_count, pModule->modref_count );
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DUMP( "os_flags=%d swap_area=%d version=%04x\n",
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pModule->os_flags, pModule->min_swap_area,
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pModule->expected_version );
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if (pModule->flags & NE_FFLAGS_WIN32)
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DUMP( "PE module=%08x\n", pModule->module32 );
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/* Dump the file info */
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DUMP( "---\n" );
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DUMP( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
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/* Dump the segment table */
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DUMP( "---\n" );
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DUMP( "Segment table:\n" );
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pSeg = NE_SEG_TABLE( pModule );
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for (i = 0; i < pModule->seg_count; i++, pSeg++)
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DUMP( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
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i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
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pSeg->minsize, pSeg->hSeg );
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/* Dump the resource table */
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DUMP( "---\n" );
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DUMP( "Resource table:\n" );
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if (pModule->res_table)
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{
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pword = (WORD *)((BYTE *)pModule + pModule->res_table);
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DUMP( "Alignment: %d\n", *pword++ );
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while (*pword)
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{
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struct resource_typeinfo_s *ptr = (struct resource_typeinfo_s *)pword;
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struct resource_nameinfo_s *pname = (struct resource_nameinfo_s *)(ptr + 1);
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DUMP( "id=%04x count=%d\n", ptr->type_id, ptr->count );
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for (i = 0; i < ptr->count; i++, pname++)
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DUMP( "offset=%d len=%d id=%04x\n",
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pname->offset, pname->length, pname->id );
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pword = (WORD *)pname;
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}
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}
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else DUMP( "None\n" );
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/* Dump the resident name table */
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DUMP( "---\n" );
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DUMP( "Resident-name table:\n" );
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pstr = (char *)pModule + pModule->name_table;
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while (*pstr)
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{
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DUMP( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
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*(WORD *)(pstr + *pstr + 1) );
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pstr += *pstr + 1 + sizeof(WORD);
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}
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/* Dump the module reference table */
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DUMP( "---\n" );
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DUMP( "Module ref table:\n" );
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if (pModule->modref_table)
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{
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pword = (WORD *)((BYTE *)pModule + pModule->modref_table);
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for (i = 0; i < pModule->modref_count; i++, pword++)
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{
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char name[10];
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GetModuleName( *pword, name, sizeof(name) );
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DUMP( "%d: %04x -> '%s'\n", i, *pword, name );
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}
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}
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else DUMP( "None\n" );
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/* Dump the entry table */
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DUMP( "---\n" );
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DUMP( "Entry table:\n" );
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pstr = (char *)pModule + pModule->entry_table;
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ordinal = 1;
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while (*pstr)
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{
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DUMP( "Bundle %d-%d: %02x\n", ordinal, ordinal + *pstr - 1, pstr[1]);
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if (!pstr[1])
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{
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ordinal += *pstr;
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pstr += 2;
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}
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else if ((BYTE)pstr[1] == 0xff) /* moveable */
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{
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i = *pstr;
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pstr += 2;
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while (i--)
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{
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DUMP( "%d: %02x:%04x (moveable)\n",
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ordinal++, pstr[3], *(WORD *)(pstr + 4) );
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pstr += 6;
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}
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}
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else /* fixed */
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{
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i = *pstr;
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pstr += 2;
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while (i--)
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{
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DUMP( "%d: %04x (fixed)\n",
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ordinal++, *(WORD *)(pstr + 1) );
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pstr += 3;
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}
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}
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}
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/* Dump the non-resident names table */
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DUMP( "---\n" );
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DUMP( "Non-resident names table:\n" );
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if (pModule->nrname_handle)
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{
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pstr = (char *)GlobalLock16( pModule->nrname_handle );
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while (*pstr)
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{
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DUMP( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
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*(WORD *)(pstr + *pstr + 1) );
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pstr += *pstr + 1 + sizeof(WORD);
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}
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}
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DUMP( "\n" );
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}
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/***********************************************************************
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* NE_WalkModules
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*
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* Walk the module list and print the modules.
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*/
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void NE_WalkModules(void)
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{
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HMODULE16 hModule = hFirstModule;
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MSG( "Module Flags Name\n" );
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while (hModule)
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{
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NE_MODULE *pModule = NE_GetPtr( hModule );
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if (!pModule)
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{
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MSG( "Bad module %04x in list\n", hModule );
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return;
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}
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MSG( " %04x %04x %.*s\n", hModule, pModule->flags,
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*((char *)pModule + pModule->name_table),
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(char *)pModule + pModule->name_table + 1 );
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hModule = pModule->next;
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}
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}
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/**********************************************************************
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* NE_RegisterModule
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*/
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void NE_RegisterModule( NE_MODULE *pModule )
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{
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pModule->next = hFirstModule;
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hFirstModule = pModule->self;
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}
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/***********************************************************************
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* NE_GetOrdinal
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*
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* Lookup the ordinal for a given name.
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*/
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WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
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{
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unsigned char buffer[256], *cpnt;
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BYTE len;
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NE_MODULE *pModule;
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if (!(pModule = NE_GetPtr( hModule ))) return 0;
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assert( !(pModule->flags & NE_FFLAGS_WIN32) );
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TRACE( module, "(%04x,'%s')\n", hModule, name );
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/* First handle names of the form '#xxxx' */
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if (name[0] == '#') return atoi( name + 1 );
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/* Now copy and uppercase the string */
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strcpy( buffer, name );
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CharUpper32A( buffer );
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len = strlen( buffer );
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/* First search the resident names */
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cpnt = (char *)pModule + pModule->name_table;
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/* Skip the first entry (module name) */
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cpnt += *cpnt + 1 + sizeof(WORD);
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while (*cpnt)
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{
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if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
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{
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TRACE(module, " Found: ordinal=%d\n",
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*(WORD *)(cpnt + *cpnt + 1) );
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return *(WORD *)(cpnt + *cpnt + 1);
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}
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cpnt += *cpnt + 1 + sizeof(WORD);
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}
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/* Now search the non-resident names table */
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if (!pModule->nrname_handle) return 0; /* No non-resident table */
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cpnt = (char *)GlobalLock16( pModule->nrname_handle );
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/* Skip the first entry (module description string) */
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cpnt += *cpnt + 1 + sizeof(WORD);
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while (*cpnt)
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{
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if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
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{
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TRACE(module, " Found: ordinal=%d\n",
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*(WORD *)(cpnt + *cpnt + 1) );
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return *(WORD *)(cpnt + *cpnt + 1);
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}
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cpnt += *cpnt + 1 + sizeof(WORD);
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}
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return 0;
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}
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/***********************************************************************
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* NE_GetEntryPoint (WPROCS.27)
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*
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* Return the entry point for a given ordinal.
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*/
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FARPROC16 NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
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{
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return NE_GetEntryPointEx( hModule, ordinal, TRUE );
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}
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FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop )
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{
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NE_MODULE *pModule;
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WORD curOrdinal = 1;
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BYTE *p;
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WORD sel, offset;
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if (!(pModule = NE_GetPtr( hModule ))) return 0;
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assert( !(pModule->flags & NE_FFLAGS_WIN32) );
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p = (BYTE *)pModule + pModule->entry_table;
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while (*p && (curOrdinal + *p <= ordinal))
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{
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/* Skipping this bundle */
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curOrdinal += *p;
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switch(p[1])
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{
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case 0: p += 2; break; /* unused */
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case 0xff: p += 2 + *p * 6; break; /* moveable */
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default: p += 2 + *p * 3; break; /* fixed */
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}
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}
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if (!*p) return 0;
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switch(p[1])
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{
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case 0: /* unused */
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return 0;
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case 0xff: /* moveable */
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p += 2 + 6 * (ordinal - curOrdinal);
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sel = p[3];
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offset = *(WORD *)(p + 4);
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break;
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default: /* fixed */
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sel = p[1];
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p += 2 + 3 * (ordinal - curOrdinal);
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offset = *(WORD *)(p + 1);
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break;
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}
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if (sel == 0xfe) sel = 0xffff; /* constant entry */
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else sel = GlobalHandleToSel(NE_SEG_TABLE(pModule)[sel-1].hSeg);
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if (sel==0xffff)
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return (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( sel, offset );
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if (!snoop || !fnSNOOP16_GetProcAddress16)
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return (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( sel, offset );
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else
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return (FARPROC16)fnSNOOP16_GetProcAddress16(hModule,ordinal,(FARPROC16)PTR_SEG_OFF_TO_SEGPTR( sel, offset ));
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}
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/***********************************************************************
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* NE_SetEntryPoint
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*
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* Change the value of an entry point. Use with caution!
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* It can only change the offset value, not the selector.
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*/
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BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
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{
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NE_MODULE *pModule;
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WORD curOrdinal = 1;
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BYTE *p;
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if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
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assert( !(pModule->flags & NE_FFLAGS_WIN32) );
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p = (BYTE *)pModule + pModule->entry_table;
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while (*p && (curOrdinal + *p <= ordinal))
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{
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/* Skipping this bundle */
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curOrdinal += *p;
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switch(p[1])
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{
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case 0: p += 2; break; /* unused */
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case 0xff: p += 2 + *p * 6; break; /* moveable */
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default: p += 2 + *p * 3; break; /* fixed */
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}
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}
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if (!*p) return FALSE;
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switch(p[1])
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{
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case 0: /* unused */
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return FALSE;
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case 0xff: /* moveable */
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p += 2 + 6 * (ordinal - curOrdinal);
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*(WORD *)(p + 4) = offset;
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break;
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default: /* fixed */
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p += 2 + 3 * (ordinal - curOrdinal);
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*(WORD *)(p + 1) = offset;
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* NE_OpenFile
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*/
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int NE_OpenFile( NE_MODULE *pModule )
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{
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DOS_FULL_NAME full_name;
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char *name;
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static int cachedfd = -1;
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TRACE( module, "(%p) cache: mod=%p fd=%d\n",
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pModule, pCachedModule, cachedfd );
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if (pCachedModule == pModule) return cachedfd;
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close( cachedfd );
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pCachedModule = pModule;
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name = NE_MODULE_NAME( pModule );
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if (!DOSFS_GetFullName( name, TRUE, &full_name ) ||
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(cachedfd = open( full_name.long_name, O_RDONLY )) == -1)
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MSG( "Can't open file '%s' for module %04x\n", name, pModule->self );
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TRACE(module, "opened '%s' -> %d\n",
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name, cachedfd );
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return cachedfd;
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}
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/***********************************************************************
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* NE_LoadExeHeader
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*/
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static HMODULE16 NE_LoadExeHeader( HFILE16 hFile, OFSTRUCT *ofs )
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{
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IMAGE_DOS_HEADER mz_header;
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IMAGE_OS2_HEADER ne_header;
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int size;
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HMODULE16 hModule;
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NE_MODULE *pModule;
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BYTE *pData;
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char *buffer, *fastload = NULL;
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int fastload_offset = 0, fastload_length = 0;
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/* Read a block from either the file or the fast-load area. */
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#define READ(offset,size,buffer) \
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((fastload && ((offset) >= fastload_offset) && \
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((offset)+(size) <= fastload_offset+fastload_length)) ? \
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(memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \
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(_llseek16( hFile, (offset), SEEK_SET), \
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_hread16( hFile, (buffer), (size) ) == (size)))
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_llseek16( hFile, 0, SEEK_SET );
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if ((_hread16(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
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(mz_header.e_magic != IMAGE_DOS_SIGNATURE))
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return (HMODULE16)11; /* invalid exe */
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_llseek16( hFile, mz_header.e_lfanew, SEEK_SET );
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if (_hread16( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
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return (HMODULE16)11; /* invalid exe */
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if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */
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if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */
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if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) {
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MSG("Sorry, this is an OS/2 linear executable (LX) file !\n");
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return (HMODULE16)12;
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}
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/* We now have a valid NE header */
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size = sizeof(NE_MODULE) +
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/* segment table */
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ne_header.n_segment_tab * sizeof(SEGTABLEENTRY) +
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/* resource table */
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ne_header.rname_tab_offset - ne_header.resource_tab_offset +
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/* resident names table */
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ne_header.moduleref_tab_offset - ne_header.rname_tab_offset +
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/* module ref table */
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ne_header.n_mod_ref_tab * sizeof(WORD) +
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/* imported names table */
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ne_header.entry_tab_offset - ne_header.iname_tab_offset +
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/* entry table length */
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ne_header.entry_tab_length +
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/* loaded file info */
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sizeof(OFSTRUCT)-sizeof(ofs->szPathName)+strlen(ofs->szPathName)+1;
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hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
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if (!hModule) return (HMODULE16)11; /* invalid exe */
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FarSetOwner( hModule, hModule );
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pModule = (NE_MODULE *)GlobalLock16( hModule );
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memcpy( pModule, &ne_header, sizeof(ne_header) );
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pModule->count = 0;
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pModule->module32 = 0;
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pModule->self = hModule;
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pModule->self_loading_sel = 0;
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pData = (BYTE *)(pModule + 1);
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/* Clear internal Wine flags in case they are set in the EXE file */
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pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
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/* Read the fast-load area */
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if (ne_header.additional_flags & NE_AFLAGS_FASTLOAD)
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{
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fastload_offset=ne_header.fastload_offset<<ne_header.align_shift_count;
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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)
|
|
{
|
|
_llseek16( hFile, fastload_offset, SEEK_SET);
|
|
if (_hread16(hFile, fastload, fastload_length) != fastload_length)
|
|
{
|
|
HeapFree( SystemHeap, 0, fastload );
|
|
WARN( module, "Error reading fast-load area!\n");
|
|
fastload = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
|
|
/* 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;
|
|
|
|
/* 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 );
|
|
_llseek16( hFile, ne_header.nrname_tab_offset, SEEK_SET );
|
|
if (_hread16( 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 );
|
|
if (fnSNOOP16_RegisterDLL)
|
|
fnSNOOP16_RegisterDLL(pModule,ofs->szPathName);
|
|
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[260];
|
|
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 = GetModuleHandle16( 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 = NE_LoadModule( buffer, NULL, TRUE, TRUE )) == 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 = NE_LoadModule( buffer, NULL, TRUE, TRUE );
|
|
}
|
|
if (hDLL < 32)
|
|
{
|
|
/* FIXME: cleanup what was done */
|
|
|
|
MSG( "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 = NE_GetPtr( *pModRef );
|
|
if (pOldDLL) pOldDLL->count++;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_LoadModule
|
|
*
|
|
* Implementation of LoadModule16().
|
|
*/
|
|
HINSTANCE16 NE_LoadModule( LPCSTR name, HINSTANCE16 *hPrevInstance,
|
|
BOOL32 implicit, BOOL32 lib_only )
|
|
{
|
|
HMODULE16 hModule;
|
|
HINSTANCE16 hInstance;
|
|
NE_MODULE *pModule;
|
|
HFILE16 hFile;
|
|
OFSTRUCT ofs;
|
|
|
|
/* Check if the module is already loaded */
|
|
|
|
if ((hModule = GetModuleHandle16( name )) != 0)
|
|
{
|
|
HINSTANCE16 prev;
|
|
pModule = NE_GetPtr( hModule );
|
|
if ( pModule->module32 ) return (HINSTANCE16)21;
|
|
|
|
hInstance = NE_CreateInstance( pModule, &prev, lib_only );
|
|
if (hInstance != prev) /* not a library */
|
|
NE_LoadSegment( pModule, pModule->dgroup );
|
|
pModule->count++;
|
|
if (hPrevInstance) *hPrevInstance = prev;
|
|
return hInstance;
|
|
}
|
|
if (hPrevInstance) *hPrevInstance = 0;
|
|
|
|
/* Try to load the built-in first if not disabled */
|
|
|
|
if ((hModule = fnBUILTIN_LoadModule( name, FALSE ))) return hModule;
|
|
|
|
if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16)
|
|
{
|
|
/* Now try the built-in even if disabled */
|
|
if ((hModule = fnBUILTIN_LoadModule( name, TRUE )))
|
|
{
|
|
MSG( "Could not load Windows DLL '%s', using built-in module.\n",
|
|
name );
|
|
return hModule;
|
|
}
|
|
return 2; /* File not found */
|
|
}
|
|
|
|
/* Create the module structure */
|
|
|
|
hModule = NE_LoadExeHeader( hFile, &ofs );
|
|
_lclose16( hFile );
|
|
if (hModule < 32) return hModule;
|
|
pModule = NE_GetPtr( hModule );
|
|
|
|
/* Allocate the segments for this module */
|
|
|
|
if (!NE_CreateSegments( pModule ) ||
|
|
!(hInstance = NE_CreateInstance( pModule, NULL, lib_only )))
|
|
{
|
|
GlobalFreeAll( hModule );
|
|
return 8; /* Insufficient memory */
|
|
}
|
|
|
|
/* 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 (!implicit && (pModule->flags & NE_FFLAGS_LIBMODULE))
|
|
NE_InitializeDLLs( hModule );
|
|
|
|
return hInstance;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LoadLibrary (KERNEL.95)
|
|
*/
|
|
HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
|
|
{
|
|
HINSTANCE16 handle;
|
|
LPCSTR p;
|
|
char *new_name;
|
|
|
|
TRACE(module, "(%08x) %s\n", (int)libname, libname);
|
|
|
|
/* Check for an extension */
|
|
|
|
if ((p = strrchr( libname, '.')) && !strchr( p, '/' ) && !strchr( p, '\\'))
|
|
{
|
|
/* An extension is present -> use the name as is */
|
|
return NE_LoadModule( libname, NULL, FALSE, TRUE );
|
|
}
|
|
|
|
/* Now append .dll before loading */
|
|
|
|
if (!(new_name = HeapAlloc( GetProcessHeap(), 0, strlen(libname) + 4 )))
|
|
return 0;
|
|
strcpy( new_name, libname );
|
|
strcat( new_name, ".dll" );
|
|
handle = NE_LoadModule( new_name, NULL, FALSE, TRUE );
|
|
HeapFree( GetProcessHeap(), 0, new_name );
|
|
return handle;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* 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 )
|
|
{
|
|
FARPROC16 WEP = (FARPROC16)0;
|
|
WORD ordinal = NE_GetOrdinal( hModule, "WEP" );
|
|
|
|
if (ordinal) WEP = NE_GetEntryPoint( hModule, ordinal );
|
|
if (!WEP)
|
|
{
|
|
WARN(module, "module %04x doesn't have a WEP\n", hModule );
|
|
return FALSE;
|
|
}
|
|
return Callbacks->CallWindowsExitProc( WEP, WEP_FREE_DLL );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_FreeModule
|
|
*
|
|
* Implementation of FreeModule16().
|
|
*/
|
|
static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL32 call_wep )
|
|
{
|
|
HMODULE16 *hPrevModule;
|
|
NE_MODULE *pModule;
|
|
HMODULE16 *pModRef;
|
|
int i;
|
|
|
|
if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
|
|
hModule = pModule->self;
|
|
|
|
TRACE( module, "%04x count %d\n", hModule, pModule->count );
|
|
|
|
if (((INT16)(--pModule->count)) > 0 ) return TRUE;
|
|
else pModule->count = 0;
|
|
|
|
if (pModule->flags & NE_FFLAGS_BUILTIN)
|
|
return FALSE; /* Can't free built-in module */
|
|
|
|
if (call_wep)
|
|
{
|
|
if (pModule->flags & NE_FFLAGS_LIBMODULE)
|
|
{
|
|
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
|
|
MODULE_CallWEP( hModule );
|
|
|
|
/* Free the objects owned by the DLL module */
|
|
|
|
if (pTask && pTask->userhandler)
|
|
pTask->userhandler( hModule, USIG_DLL_UNLOAD, 0,
|
|
pTask->hInstance, pTask->hQueue );
|
|
}
|
|
else
|
|
call_wep = FALSE; /* We are freeing a task -> no more WEPs */
|
|
}
|
|
|
|
|
|
/* Clear magic number just in case */
|
|
|
|
pModule->magic = pModule->self = 0;
|
|
|
|
/* Remove it from the linked list */
|
|
|
|
hPrevModule = &hFirstModule;
|
|
while (*hPrevModule && (*hPrevModule != hModule))
|
|
{
|
|
hPrevModule = &(NE_GetPtr( *hPrevModule ))->next;
|
|
}
|
|
if (*hPrevModule) *hPrevModule = pModule->next;
|
|
|
|
/* Free the referenced modules */
|
|
|
|
pModRef = (HMODULE16*)NE_MODULE_TABLE( pModule );
|
|
for (i = 0; i < pModule->modref_count; i++, pModRef++)
|
|
{
|
|
NE_FreeModule( *pModRef, call_wep );
|
|
}
|
|
|
|
/* Free the module storage */
|
|
|
|
GlobalFreeAll( hModule );
|
|
|
|
/* Remove module from cache */
|
|
|
|
if (pCachedModule == pModule) pCachedModule = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* FreeModule16 (KERNEL.46)
|
|
*/
|
|
BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
|
|
{
|
|
return NE_FreeModule( hModule, TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FreeLibrary16 (KERNEL.96)
|
|
*/
|
|
void WINAPI FreeLibrary16( HINSTANCE16 handle )
|
|
{
|
|
TRACE(module,"%04x\n", handle );
|
|
FreeModule16( handle );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetModuleName (KERNEL.27)
|
|
*/
|
|
BOOL16 WINAPI GetModuleName( HINSTANCE16 hinst, LPSTR buf, INT16 count )
|
|
{
|
|
NE_MODULE *pModule;
|
|
BYTE *p;
|
|
|
|
if (!(pModule = NE_GetPtr( hinst ))) return FALSE;
|
|
p = (BYTE *)pModule + pModule->name_table;
|
|
if (count > *p) count = *p + 1;
|
|
if (count > 0)
|
|
{
|
|
memcpy( buf, p + 1, count - 1 );
|
|
buf[count-1] = '\0';
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetModuleUsage (KERNEL.48)
|
|
*/
|
|
INT16 WINAPI GetModuleUsage( HINSTANCE16 hModule )
|
|
{
|
|
NE_MODULE *pModule = NE_GetPtr( hModule );
|
|
return pModule ? pModule->count : 0;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetExpWinVer (KERNEL.167)
|
|
*/
|
|
WORD WINAPI GetExpWinVer( HMODULE16 hModule )
|
|
{
|
|
NE_MODULE *pModule = NE_GetPtr( hModule );
|
|
return pModule ? pModule->expected_version : 0;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetModuleFileName16 (KERNEL.49)
|
|
*/
|
|
INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
|
|
INT16 nSize )
|
|
{
|
|
NE_MODULE *pModule;
|
|
|
|
if (!hModule) hModule = GetCurrentTask();
|
|
if (!(pModule = NE_GetPtr( hModule ))) return 0;
|
|
lstrcpyn32A( lpFileName, NE_MODULE_NAME(pModule), nSize );
|
|
TRACE(module, "%s\n", lpFileName );
|
|
return strlen(lpFileName);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetModuleHandle16 (KERNEL.47)
|
|
*
|
|
* Find a module from a path name.
|
|
*
|
|
* 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( PTR_SEG_TO_LIN(name)), hFirstModule );
|
|
}
|
|
|
|
HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
|
|
{
|
|
HMODULE16 hModule = hFirstModule;
|
|
LPCSTR filename, dotptr, modulepath, modulename;
|
|
BYTE len, *name_table;
|
|
|
|
if (!(filename = strrchr( name, '\\' ))) filename = name;
|
|
else filename++;
|
|
if ((dotptr = strrchr( filename, '.' )) != NULL)
|
|
len = (BYTE)(dotptr - filename);
|
|
else len = strlen( filename );
|
|
|
|
while (hModule)
|
|
{
|
|
NE_MODULE *pModule = NE_GetPtr( hModule );
|
|
if (!pModule) break;
|
|
modulepath = NE_MODULE_NAME(pModule);
|
|
if (!(modulename = strrchr( modulepath, '\\' )))
|
|
modulename = modulepath;
|
|
else modulename++;
|
|
if (!lstrcmpi32A( modulename, filename )) return hModule;
|
|
|
|
name_table = (BYTE *)pModule + pModule->name_table;
|
|
if ((*name_table == len) && !lstrncmpi32A(filename, name_table+1, len))
|
|
return hModule;
|
|
hModule = pModule->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* ModuleFirst (TOOLHELP.59)
|
|
*/
|
|
BOOL16 WINAPI ModuleFirst( MODULEENTRY *lpme )
|
|
{
|
|
lpme->wNext = hFirstModule;
|
|
return ModuleNext( lpme );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* ModuleNext (TOOLHELP.60)
|
|
*/
|
|
BOOL16 WINAPI ModuleNext( MODULEENTRY *lpme )
|
|
{
|
|
NE_MODULE *pModule;
|
|
char *name;
|
|
|
|
if (!lpme->wNext) return FALSE;
|
|
if (!(pModule = NE_GetPtr( lpme->wNext ))) return FALSE;
|
|
name = (char *)pModule + pModule->name_table;
|
|
memcpy( lpme->szModule, name + 1, *name );
|
|
lpme->szModule[(BYTE)*name] = '\0';
|
|
lpme->hModule = lpme->wNext;
|
|
lpme->wcUsage = pModule->count;
|
|
strncpy( lpme->szExePath, NE_MODULE_NAME(pModule), MAX_PATH );
|
|
lpme->szExePath[MAX_PATH] = '\0';
|
|
lpme->wNext = pModule->next;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* ModuleFindName (TOOLHELP.61)
|
|
*/
|
|
BOOL16 WINAPI ModuleFindName( MODULEENTRY *lpme, LPCSTR name )
|
|
{
|
|
lpme->wNext = GetModuleHandle16( name );
|
|
return ModuleNext( lpme );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* ModuleFindHandle (TOOLHELP.62)
|
|
*/
|
|
BOOL16 WINAPI ModuleFindHandle( MODULEENTRY *lpme, HMODULE16 hModule )
|
|
{
|
|
hModule = GetExePtr( hModule );
|
|
lpme->wNext = hModule;
|
|
return ModuleNext( lpme );
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MapHModuleLS (KERNEL32.520)
|
|
*/
|
|
HMODULE16 WINAPI MapHModuleLS(HMODULE32 hmod) {
|
|
NE_MODULE *pModule;
|
|
|
|
if (!hmod)
|
|
return ((TDB*)GlobalLock16(GetCurrentTask()))->hInstance;
|
|
if (!HIWORD(hmod))
|
|
return hmod; /* we already have a 16 bit module handle */
|
|
pModule = (NE_MODULE*)GlobalLock16(hFirstModule);
|
|
while (pModule) {
|
|
if (pModule->module32 == hmod)
|
|
return pModule->self;
|
|
pModule = (NE_MODULE*)GlobalLock16(pModule->next);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MapHModuleSL (KERNEL32.521)
|
|
*/
|
|
HMODULE32 WINAPI MapHModuleSL(HMODULE16 hmod) {
|
|
NE_MODULE *pModule;
|
|
|
|
if (!hmod) {
|
|
TDB *pTask = (TDB*)GlobalLock16(GetCurrentTask());
|
|
|
|
hmod = pTask->hInstance;
|
|
}
|
|
pModule = (NE_MODULE*)GlobalLock16(hmod);
|
|
if ( (pModule->magic!=IMAGE_OS2_SIGNATURE) ||
|
|
!(pModule->flags & NE_FFLAGS_WIN32)
|
|
)
|
|
return 0;
|
|
return pModule->module32;
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MapHInstLS (KERNEL32.516)
|
|
*/
|
|
REGS_ENTRYPOINT(MapHInstLS) {
|
|
EAX_reg(context) = MapHModuleLS(EAX_reg(context));
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MapHInstSL (KERNEL32.518)
|
|
*/
|
|
REGS_ENTRYPOINT(MapHInstSL) {
|
|
EAX_reg(context) = MapHModuleSL(EAX_reg(context));
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MapHInstLS_PN (KERNEL32.517)
|
|
*/
|
|
REGS_ENTRYPOINT(MapHInstLS_PN) {
|
|
if (EAX_reg(context))
|
|
EAX_reg(context) = MapHModuleLS(EAX_reg(context));
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MapHInstSL_PN (KERNEL32.519)
|
|
*/
|
|
REGS_ENTRYPOINT(MapHInstSL_PN) {
|
|
if (EAX_reg(context))
|
|
EAX_reg(context) = MapHModuleSL(EAX_reg(context));
|
|
}
|
|
|
|
/***************************************************************************
|
|
* WIN16_MapHInstLS (KERNEL.472)
|
|
*/
|
|
VOID WINAPI WIN16_MapHInstLS( CONTEXT *context ) {
|
|
EAX_reg(context) = MapHModuleLS(EAX_reg(context));
|
|
}
|
|
|
|
/***************************************************************************
|
|
* WIN16_MapHInstSL (KERNEL.473)
|
|
*/
|
|
VOID WINAPI WIN16_MapHInstSL( CONTEXT *context ) {
|
|
EAX_reg(context) = MapHModuleSL(EAX_reg(context));
|
|
}
|