701 lines
21 KiB
C
701 lines
21 KiB
C
#ifndef WINELIB
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/*
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* Copyright 1994 Eric Youndale & Erik Bos
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* Copyright 1995 Martin von Löwis
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* Copyright 1996 Marcus Meissner
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*
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* based on Eric Youndale's pe-test and:
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*
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* ftp.microsoft.com:/pub/developer/MSDN/CD8/PEFILE.ZIP
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* make that:
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* ftp.microsoft.com:/developr/MSDN/OctCD/PEFILE.ZIP
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*/
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#include <ctype.h>
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#include <stdio.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 <sys/types.h>
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#include <sys/mman.h>
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#include "windows.h"
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#include "winbase.h"
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#include "callback.h"
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#include "neexe.h"
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#include "peexe.h"
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#include "pe_image.h"
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#include "module.h"
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#include "global.h"
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#include "task.h"
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#include "ldt.h"
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#include "registers.h"
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#include "stddebug.h"
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#include "debug.h"
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#include "debugger.h"
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#include "xmalloc.h"
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void my_wcstombs(char * result, u_short * source, int len)
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{
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while(len--) {
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/* this used to be isascii, but see isascii implementation in Linux'
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ctype.h */
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if(*source<255) *result++ = *source++;
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else {
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printf("Unable to handle unicode right now\n");
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exit(0);
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}
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};
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}
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#if 0
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char * xmmap(char * vaddr, unsigned int v_size, unsigned int r_size,
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int prot, int flags, int fd, unsigned int file_offset)
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{
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char * result;
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/* .bss has no associated storage in the PE file */
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if(r_size)
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v_size=r_size;
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else
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#if defined(__svr4__) || defined(_SCO_DS)
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fprintf(stderr,"xmmap: %s line %d doesn't support MAP_ANON\n",__FILE__, __LINE__);
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#else
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flags |= MAP_ANON;
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#endif
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result = mmap(vaddr, v_size, prot, flags, fd, file_offset);
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if((unsigned int) result != 0xffffffff) return result;
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/* Sigh. Alignment must be wrong for mmap. Do this the hard way. */
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if(!(flags & MAP_FIXED)) {
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vaddr = (char *)0x40000000;
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flags |= MAP_FIXED;
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};
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mmap(vaddr, v_size, prot, MAP_ANONYMOUS | flags, 0, 0);
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lseek(fd, file_offset, SEEK_SET);
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read(fd, vaddr, v_size);
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return vaddr;
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};
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#endif
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void dump_exports(struct PE_Export_Directory * pe_exports, unsigned int load_addr)
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{
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char *Module;
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int i;
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u_short *ordinal;
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u_long *function,*functions;
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u_char **name,*ename;
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char buffer[1000];
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DBG_ADDR daddr;
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daddr.seg = 0;
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Module = ((char*)load_addr)+pe_exports->Name;
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dprintf_win32(stddeb,"\n*******EXPORT DATA*******\nModule name is %s, %ld functions, %ld names\n",
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Module,
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pe_exports->Number_Of_Functions,
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pe_exports->Number_Of_Names);
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ordinal=(u_short*)(((char*)load_addr)+(int)pe_exports->Address_Of_Name_Ordinals);
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functions=function=(u_long*)(((char*)load_addr)+(int)pe_exports->AddressOfFunctions);
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name=(u_char**)(((char*)load_addr)+(int)pe_exports->AddressOfNames);
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dprintf_win32(stddeb,"%-32s Ordinal Virt Addr\n", "Function Name");
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for (i=0;i<pe_exports->Number_Of_Functions;i++) {
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if (i<pe_exports->Number_Of_Names) {
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ename=(char*)(((char*)load_addr)+(int)*name++);
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dprintf_win32(stddeb,"%-32s %4d %8.8lx (%8.8lx)\n",ename,*ordinal,functions[*ordinal],*function);
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sprintf(buffer,"%s.%s",Module,ename);
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daddr.off=load_addr+functions[*ordinal];
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ordinal++;
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function++;
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} else {
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/* ordinals/names no longer valid, but we still got functions */
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dprintf_win32(stddeb,"%-32s %4s %8s %8.8lx\n","","","",*function);
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sprintf(buffer,"%s.%d",Module,i);
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daddr.off=load_addr+*functions;
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function++;
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}
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DEBUG_AddSymbol(buffer,&daddr);
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}
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}
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/* Look up the specified function or ordinal in the exportlist:
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* If it is a string:
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* - look up the name in the Name list.
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* - look up the ordinal with that index.
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* - use the ordinal as offset into the functionlist
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* If it is a ordinal:
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* - use ordinal-pe_export->Base as offset into the functionlist
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*/
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FARPROC32 PE_FindExportedFunction(struct pe_data *pe, LPCSTR funcName)
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{
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struct PE_Export_Directory * exports = pe->pe_export;
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unsigned load_addr = pe->load_addr;
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u_short * ordinal;
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u_long * function;
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u_char ** name, *ename;
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int i;
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if (HIWORD(funcName))
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dprintf_win32(stddeb,"PE_FindExportedFunction(%s)\n",funcName);
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else
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dprintf_win32(stddeb,"PE_FindExportedFunction(%d)\n",(int)funcName);
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if (!exports)
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return NULL;
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ordinal=(u_short*)(((char*)load_addr)+(int)exports->Address_Of_Name_Ordinals);
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function=(u_long*)(((char*)load_addr)+(int)exports->AddressOfFunctions);
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name=(u_char **)(((char*)load_addr)+(int)exports->AddressOfNames);
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if (HIWORD(funcName)) {
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for(i=0; i<exports->Number_Of_Names; i++) {
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ename=(char*)(((char*)load_addr)+(int)*name);
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if(!strcmp(ename,funcName))
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return (FARPROC32)(load_addr+function[*ordinal]);
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ordinal++;
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name++;
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}
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} else {
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if (funcName-exports->Base > exports->Number_Of_Functions) {
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dprintf_win32(stddeb," ordinal %d out of range!\n",funcName);
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return NULL;
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}
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return (FARPROC32)(load_addr+function[(int)funcName-exports->Base]);
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}
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return NULL;
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}
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void
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fixup_imports (struct pe_data *pe, HMODULE16 hModule)
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{
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struct PE_Import_Directory *pe_imp;
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int fixup_failed = 0;
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unsigned int load_addr = pe->load_addr;
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int i;
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NE_MODULE *ne_mod;
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HMODULE16 *mod_ptr;
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/* OK, now dump the import list */
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dprintf_win32 (stddeb, "\nDumping imports list\n");
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/* first, count the number of imported non-internal modules */
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pe_imp = pe->pe_import;
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for (i = 0; pe_imp->ModuleName; pe_imp++)
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i++;
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/* Now, allocate memory for dlls_to_init */
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ne_mod = GlobalLock16 (hModule);
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ne_mod->dlls_to_init = GLOBAL_Alloc(GMEM_ZEROINIT, (i+1)*sizeof(HMODULE16),
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hModule, FALSE, FALSE, FALSE);
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mod_ptr = GlobalLock16 (ne_mod->dlls_to_init);
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/* load the modules and put their handles into the list */
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for (i = 0, pe_imp = pe->pe_import; pe_imp->ModuleName; pe_imp++) {
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char *name = (char *) load_addr + pe_imp->ModuleName;
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mod_ptr[i] = LoadModule (name, (LPVOID) - 1);
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if (mod_ptr[i] <= (HMODULE16) 32) {
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char *p, buffer[256];
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/* Try with prepending the path of the current module */
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GetModuleFileName (hModule, buffer, sizeof (buffer));
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if (!(p = strrchr (buffer, '\\')))
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p = buffer;
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strcpy (p + 1, name);
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mod_ptr[i] = LoadModule (buffer, (LPVOID) - 1);
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}
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if (mod_ptr[i] <= (HMODULE16) 32) {
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fprintf (stderr, "Module %s not found\n", name);
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exit (0);
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}
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i++;
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}
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pe_imp = pe->pe_import;
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while (pe_imp->ModuleName) {
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char *Module;
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struct pe_import_name *pe_name;
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unsigned int *import_list, *thunk_list;
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Module = ((char *) load_addr) + pe_imp->ModuleName;
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dprintf_win32 (stddeb, "%s\n", Module);
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if (pe_imp->Import_List != 0) { /* original microsoft style */
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dprintf_win32 (stddeb, "Microsoft style imports used\n");
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import_list = (unsigned int *)(((unsigned int)load_addr)+pe_imp->Import_List);
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thunk_list = (unsigned int *)(((unsigned int)load_addr)+pe_imp->Thunk_List);
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while (*import_list) {
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pe_name = (struct pe_import_name *) ((int) load_addr + ((unsigned) *import_list & ~0x80000000));
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if ((unsigned) *import_list & 0x80000000) {
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int ordinal = *import_list & (0x80000000 - 1);
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dprintf_win32 (stddeb, "--- Ordinal %s,%d\n", Module, ordinal);
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*thunk_list = GetProcAddress32(MODULE_FindModule (Module),
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(LPCSTR) ordinal);
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if (!*thunk_list) {
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fprintf(stderr,"No implementation for %s.%d, setting to NULL\n",
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Module, ordinal);
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/* fixup_failed=1; */
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}
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} else { /* import by name */
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dprintf_win32 (stddeb, "--- %s %s.%d\n", pe_name->Name, Module, pe_name->Hint);
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*thunk_list = GetProcAddress32(MODULE_FindModule (Module),
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pe_name->Name);
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if (!*thunk_list) {
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fprintf(stderr, "No implementation for %s.%d(%s), setting to NULL\n",
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Module, pe_name->Hint, pe_name->Name);
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/* fixup_failed=1; */
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}
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}
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import_list++;
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thunk_list++;
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}
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} else { /* Borland style */
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dprintf_win32 (stddeb, "Borland style imports used\n");
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thunk_list = (unsigned int *)(((unsigned int)load_addr)+pe_imp->Thunk_List);
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while (*thunk_list) {
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pe_name=(struct pe_import_name *)((int)load_addr+*thunk_list);
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if ((unsigned) pe_name & 0x80000000) {
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/* not sure about this branch, but it seems to work */
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int ordinal = *thunk_list & ~0x80000000;
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dprintf_win32(stddeb,"--- Ordinal %s.%d\n",Module,ordinal);
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*thunk_list = GetProcAddress32(MODULE_FindModule (Module),
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(LPCSTR) ordinal);
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if (!*thunk_list) {
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fprintf(stderr, "No implementation for %s.%d, setting to NULL\n",
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Module,ordinal);
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/* fixup_failed=1; */
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}
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} else {
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dprintf_win32(stddeb,"--- %s %s.%d\n",
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pe_name->Name, Module, pe_name->Hint);
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*thunk_list = GetProcAddress32(MODULE_FindModule(Module),
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pe_name->Name);
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if (!*thunk_list) {
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fprintf(stderr, "No implementation for %s.%d, setting to NULL\n",
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Module, pe_name->Hint);
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/* fixup_failed=1; */
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}
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}
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thunk_list++;
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}
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}
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pe_imp++;
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}
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if (fixup_failed) exit(1);
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}
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static void calc_vma_size(struct pe_data *pe)
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{
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int i;
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dprintf_win32(stddeb, "Dump of segment table\n");
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dprintf_win32(stddeb, " Name VSz Vaddr SzRaw Fileadr *Reloc *Lineum #Reloc #Linum Char\n");
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for(i=0; i< pe->pe_header->coff.NumberOfSections; i++)
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{
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dprintf_win32(stddeb, "%8s: %4.4lx %8.8lx %8.8lx %8.8lx %8.8lx %8.8lx %4.4x %4.4x %8.8lx\n",
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pe->pe_seg[i].Name,
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pe->pe_seg[i].Virtual_Size,
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pe->pe_seg[i].Virtual_Address,
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pe->pe_seg[i].Size_Of_Raw_Data,
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pe->pe_seg[i].PointerToRawData,
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pe->pe_seg[i].PointerToRelocations,
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pe->pe_seg[i].PointerToLinenumbers,
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pe->pe_seg[i].NumberOfRelocations,
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pe->pe_seg[i].NumberOfLinenumbers,
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pe->pe_seg[i].Characteristics);
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pe->vma_size = MAX(pe->vma_size,
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pe->pe_seg[i].Virtual_Address +
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pe->pe_seg[i].Size_Of_Raw_Data);
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}
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}
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static void do_relocations(struct pe_data *pe)
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{
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int delta = pe->load_addr - pe->base_addr;
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struct PE_Reloc_Block *r = pe->pe_reloc;
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int hdelta = (delta >> 16) & 0xFFFF;
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int ldelta = delta & 0xFFFF;
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/* int reloc_size = */
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if(delta == 0)
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/* Nothing to do */
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return;
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while(r->PageRVA)
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{
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char *page = (char*)pe->load_addr + r->PageRVA;
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int count = (r->BlockSize - 8)/2;
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int i;
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dprintf_fixup(stddeb, "%x relocations for page %lx\n",
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count, r->PageRVA);
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/* patching in reverse order */
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for(i=0;i<count;i++)
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{
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int offset = r->Relocations[i] & 0xFFF;
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int type = r->Relocations[i] >> 12;
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dprintf_fixup(stddeb,"patching %x type %x\n", offset, type);
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switch(type)
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{
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case IMAGE_REL_BASED_ABSOLUTE: break;
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case IMAGE_REL_BASED_HIGH:
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*(short*)(page+offset) += hdelta;
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break;
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case IMAGE_REL_BASED_LOW:
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*(short*)(page+offset) += ldelta;
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break;
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case IMAGE_REL_BASED_HIGHLOW:
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#if 1
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*(int*)(page+offset) += delta;
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#else
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{ int h=*(unsigned short*)(page+offset);
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int l=r->Relocations[++i];
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*(unsigned int*)(page + offset) = (h<<16) + l + delta;
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}
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#endif
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break;
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case IMAGE_REL_BASED_HIGHADJ:
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fprintf(stderr, "Don't know what to do with IMAGE_REL_BASED_HIGHADJ\n");
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break;
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case IMAGE_REL_BASED_MIPS_JMPADDR:
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fprintf(stderr, "Is this a MIPS machine ???\n");
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break;
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default:
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fprintf(stderr, "Unknown fixup type\n");
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break;
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}
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}
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r = (struct PE_Reloc_Block*)((char*)r + r->BlockSize);
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}
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}
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/**********************************************************************
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* PE_LoadImage
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* Load one PE format executable into memory
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*/
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static struct pe_data *PE_LoadImage( int fd, HMODULE16 hModule, WORD offset )
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{
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struct pe_data *pe;
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int i, result;
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unsigned int load_addr;
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struct Directory dir;
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char buffer[200];
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DBG_ADDR daddr;
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daddr.seg=0;
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pe = xmalloc(sizeof(struct pe_data));
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memset(pe,0,sizeof(struct pe_data));
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pe->pe_header = xmalloc(sizeof(struct pe_header_s));
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/* read PE header */
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lseek( fd, offset, SEEK_SET);
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read( fd, pe->pe_header, sizeof(struct pe_header_s));
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/* read sections */
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pe->pe_seg = xmalloc(sizeof(struct pe_segment_table) *
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pe->pe_header->coff.NumberOfSections);
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read( fd, pe->pe_seg, sizeof(struct pe_segment_table) *
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pe->pe_header->coff.NumberOfSections);
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load_addr = pe->pe_header->opt_coff.BaseOfImage;
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pe->base_addr=load_addr;
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pe->vma_size=0;
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dprintf_win32(stddeb, "Load addr is %x\n",load_addr);
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calc_vma_size(pe);
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/* We use malloc here, while a huge part of that address space does
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not be supported by actual memory. It has to be contiguous, though.
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I don't know if mmap("/dev/null"); would do any better.
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What I'd really like to do is a Win32 style VirtualAlloc/MapViewOfFile
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sequence */
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load_addr = pe->load_addr = malloc(pe->vma_size);
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dprintf_win32(stddeb, "Load addr is really %x, range %x\n",
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pe->load_addr, pe->vma_size);
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for(i=0; i < pe->pe_header->coff.NumberOfSections; i++)
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{
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/* load only non-BSS segments */
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if(pe->pe_seg[i].Characteristics &
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~ IMAGE_SCN_TYPE_CNT_UNINITIALIZED_DATA)
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if(lseek(fd,pe->pe_seg[i].PointerToRawData,SEEK_SET) == -1
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|| read(fd,load_addr + pe->pe_seg[i].Virtual_Address,
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pe->pe_seg[i].Size_Of_Raw_Data)
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!= pe->pe_seg[i].Size_Of_Raw_Data)
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{
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fprintf(stderr,"Failed to load section %x\n", i);
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exit(0);
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}
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result = load_addr + pe->pe_seg[i].Virtual_Address;
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#if 0
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if(!load_addr) {
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result = (int)xmmap((char *)0, pe->pe_seg[i].Virtual_Size,
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pe->pe_seg[i].Size_Of_Raw_Data, 7,
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MAP_PRIVATE, fd, pe->pe_seg[i].PointerToRawData);
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load_addr = (unsigned int) result - pe->pe_seg[i].Virtual_Address;
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} else {
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result = (int)xmmap((char *) load_addr + pe->pe_seg[i].Virtual_Address,
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pe->pe_seg[i].Virtual_Size,
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pe->pe_seg[i].Size_Of_Raw_Data, 7, MAP_PRIVATE | MAP_FIXED,
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fd, pe->pe_seg[i].PointerToRawData);
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}
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if(result==-1){
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fprintf(stderr,"Could not load section %x to desired address %lx\n",
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i, load_addr+pe->pe_seg[i].Virtual_Address);
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fprintf(stderr,"Need to implement relocations now\n");
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exit(0);
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}
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#endif
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if(strcmp(pe->pe_seg[i].Name, ".bss") == 0)
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memset((void *)result, 0,
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pe->pe_seg[i].Virtual_Size ?
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pe->pe_seg[i].Virtual_Size :
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pe->pe_seg[i].Size_Of_Raw_Data);
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if(strcmp(pe->pe_seg[i].Name, ".idata") == 0)
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pe->pe_import = (struct PE_Import_Directory *) result;
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if(strcmp(pe->pe_seg[i].Name, ".edata") == 0)
|
|
pe->pe_export = (struct PE_Export_Directory *) result;
|
|
|
|
if(strcmp(pe->pe_seg[i].Name, ".rsrc") == 0)
|
|
pe->pe_resource = (struct PE_Resource_Directory *) result;
|
|
|
|
if(strcmp(pe->pe_seg[i].Name, ".reloc") == 0)
|
|
pe->pe_reloc = (struct PE_Reloc_Block *) result;
|
|
|
|
}
|
|
|
|
/* There is word that the actual loader does not care about the
|
|
section names, and only goes for the DataDirectory */
|
|
dir=pe->pe_header->opt_coff.DataDirectory[IMAGE_FILE_EXPORT_DIRECTORY];
|
|
if(dir.Size)
|
|
{
|
|
if(pe->pe_export &&
|
|
pe->pe_export!=load_addr+dir.Virtual_address)
|
|
fprintf(stderr,"wrong export directory??\n");
|
|
/* always trust the directory */
|
|
pe->pe_export = load_addr+dir.Virtual_address;
|
|
}
|
|
|
|
dir=pe->pe_header->opt_coff.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY];
|
|
if(dir.Size)
|
|
{
|
|
if(pe->pe_import &&
|
|
pe->pe_import!=load_addr+dir.Virtual_address)
|
|
fprintf(stderr,"wrong import directory??\n");
|
|
pe->pe_import = load_addr+dir.Virtual_address;
|
|
}
|
|
|
|
dir=pe->pe_header->opt_coff.DataDirectory[IMAGE_FILE_RESOURCE_DIRECTORY];
|
|
if(dir.Size)
|
|
{
|
|
if(pe->pe_resource &&
|
|
pe->pe_resource!=load_addr+dir.Virtual_address)
|
|
fprintf(stderr,"wrong resource directory??\n");
|
|
pe->pe_resource = load_addr+dir.Virtual_address;
|
|
}
|
|
|
|
dir=pe->pe_header->opt_coff.DataDirectory[IMAGE_FILE_BASE_RELOCATION_TABLE];
|
|
if(dir.Size)
|
|
{
|
|
if(pe->pe_reloc &&
|
|
pe->pe_reloc!=load_addr+dir.Virtual_address)
|
|
fprintf(stderr,"wrong relocation list??\n");
|
|
pe->pe_reloc = load_addr+dir.Virtual_address;
|
|
}
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_EXCEPTION_DIRECTORY].Size)
|
|
dprintf_win32(stdnimp,"Exception directory ignored\n");
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_SECURITY_DIRECTORY].Size)
|
|
dprintf_win32(stdnimp,"Security directory ignored\n");
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_DEBUG_DIRECTORY].Size)
|
|
dprintf_win32(stdnimp,"Debug directory ignored\n");
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_DESCRIPTION_STRING].Size)
|
|
dprintf_win32(stdnimp,"Description string ignored\n");
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_MACHINE_VALUE].Size)
|
|
dprintf_win32(stdnimp,"Machine Value ignored\n");
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_THREAD_LOCAL_STORAGE].Size)
|
|
dprintf_win32(stdnimp,"Thread local storage ignored\n");
|
|
|
|
if(pe->pe_header->opt_coff.DataDirectory
|
|
[IMAGE_FILE_CALLBACK_DIRECTORY].Size)
|
|
dprintf_win32(stdnimp,"Callback directory ignored\n");
|
|
|
|
|
|
if(pe->pe_reloc) do_relocations(pe);
|
|
if(pe->pe_import) fixup_imports(pe, hModule);
|
|
if(pe->pe_export) dump_exports(pe->pe_export,load_addr);
|
|
|
|
if (pe->pe_export) {
|
|
/* add start of sections as debugsymbols */
|
|
for(i=0;i<pe->pe_header->coff.NumberOfSections;i++) {
|
|
sprintf(buffer,"%s.%s",
|
|
((char*)load_addr)+pe->pe_export->Name,
|
|
pe->pe_seg[i].Name
|
|
);
|
|
daddr.off=load_addr+pe->pe_seg[i].Virtual_Address;
|
|
DEBUG_AddSymbol(buffer,&daddr);
|
|
}
|
|
/* add entry point */
|
|
sprintf(buffer,"%s.EntryPoint",((char*)load_addr)+pe->pe_export->Name);
|
|
daddr.off=load_addr+pe->pe_header->opt_coff.AddressOfEntryPoint;
|
|
DEBUG_AddSymbol(buffer,&daddr);
|
|
/* add start of DLL */
|
|
daddr.off=load_addr;
|
|
DEBUG_AddSymbol(((char*)load_addr)+pe->pe_export->Name,&daddr);
|
|
}
|
|
return pe;
|
|
}
|
|
|
|
HINSTANCE MODULE_CreateInstance(HMODULE16 hModule,LOADPARAMS *params);
|
|
void InitTask( SIGCONTEXT *context );
|
|
|
|
HINSTANCE PE_LoadModule( int fd, OFSTRUCT *ofs, LOADPARAMS* params )
|
|
{
|
|
HMODULE16 hModule;
|
|
HINSTANCE16 hInstance;
|
|
NE_MODULE *pModule;
|
|
SEGTABLEENTRY *pSegment;
|
|
FARPROC16 startup;
|
|
struct mz_header_s mz_header;
|
|
|
|
if ((hModule = MODULE_CreateDummyModule( ofs )) < 32) return hModule;
|
|
pModule = (NE_MODULE *)GlobalLock16( hModule );
|
|
pModule->flags = NE_FFLAGS_WIN32;
|
|
|
|
lseek( fd, 0, SEEK_SET );
|
|
read( fd, &mz_header, sizeof(mz_header) );
|
|
|
|
/* Set the startup address */
|
|
|
|
startup = MODULE_GetWndProcEntry16("Win32CallToStart");
|
|
pSegment = NE_SEG_TABLE(pModule) + pModule->cs - 1;
|
|
pSegment->selector = SELECTOROF(startup); /* FIXME */
|
|
pModule->ip = OFFSETOF(startup);
|
|
|
|
pModule->pe_module = PE_LoadImage( fd, hModule, mz_header.ne_offset );
|
|
|
|
hInstance = MODULE_CreateInstance( hModule, params );
|
|
|
|
if (!(pModule->pe_module->pe_header->coff.Characteristics & IMAGE_FILE_DLL))
|
|
{
|
|
TASK_CreateTask( hModule, hInstance, 0,
|
|
params->hEnvironment,
|
|
(LPSTR)PTR_SEG_TO_LIN( params->cmdLine ),
|
|
*((WORD*)PTR_SEG_TO_LIN(params->showCmd) + 1) );
|
|
}
|
|
return hInstance;
|
|
}
|
|
|
|
int USER_InitApp(HINSTANCE hInstance);
|
|
void PE_InitTEB(int hTEB);
|
|
|
|
void PE_InitializeDLLs(HMODULE16 hModule);
|
|
void PE_Win32CallToStart( SIGCONTEXT *context )
|
|
{
|
|
int fs;
|
|
HMODULE16 hModule;
|
|
NE_MODULE *pModule;
|
|
|
|
dprintf_win32(stddeb,"Going to start Win32 program\n");
|
|
InitTask( context );
|
|
hModule = GetExePtr( GetCurrentTask() );
|
|
pModule = MODULE_GetPtr( hModule );
|
|
USER_InitApp( hModule );
|
|
fs=(int)GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, 0x10000 );
|
|
PE_InitTEB(fs);
|
|
__asm__ __volatile__("movw %w0,%%fs"::"r" (fs));
|
|
PE_InitializeDLLs( hModule );
|
|
CallTaskStart32( (FARPROC32)(pModule->pe_module->load_addr +
|
|
pModule->pe_module->pe_header->opt_coff.AddressOfEntryPoint) );
|
|
}
|
|
|
|
int PE_UnloadImage( HMODULE16 hModule )
|
|
{
|
|
printf("PEunloadImage() called!\n");
|
|
/* free resources, image, unmap */
|
|
return 1;
|
|
}
|
|
|
|
static void PE_InitDLL(HMODULE16 hModule)
|
|
{
|
|
NE_MODULE *pModule;
|
|
PE_MODULE *pe;
|
|
|
|
hModule = GetExePtr(hModule);
|
|
if (!(pModule = MODULE_GetPtr(hModule))) return;
|
|
if (!(pModule->flags & NE_FFLAGS_WIN32) || !(pe = pModule->pe_module))
|
|
return;
|
|
|
|
/* FIXME: What is the correct value for parameter 3?
|
|
* (the MSDN library JAN96 says 'reserved for future use')
|
|
*/
|
|
|
|
/* Is this a library? */
|
|
if (pe->pe_header->coff.Characteristics & IMAGE_FILE_DLL)
|
|
{
|
|
printf("InitPEDLL() called!\n");
|
|
CallDLLEntryProc32( (FARPROC32)(pe->load_addr +
|
|
pe->pe_header->opt_coff.AddressOfEntryPoint),
|
|
hModule, DLL_PROCESS_ATTACH, (void *)-1 );
|
|
}
|
|
}
|
|
|
|
|
|
/* FIXME: This stuff is all on a "well it works" basis. An implementation
|
|
based on some kind of documentation would be greatly appreciated :-) */
|
|
|
|
typedef struct
|
|
{
|
|
void *Except;
|
|
void *stack;
|
|
int dummy1[4];
|
|
struct TEB *TEBDSAlias;
|
|
int dummy2[2];
|
|
int taskid;
|
|
} TEB;
|
|
|
|
void PE_InitTEB(int hTEB)
|
|
{
|
|
TDB *pTask;
|
|
TEB *pTEB;
|
|
|
|
pTask = (TDB *)(GlobalLock16(GetCurrentTask() & 0xffff));
|
|
pTEB = (TEB *)(GlobalLock16(hTEB));
|
|
pTEB->stack = pTask->esp;
|
|
pTEB->Except = (void *)(-1);
|
|
pTEB->TEBDSAlias = pTEB;
|
|
pTEB->taskid = getpid();
|
|
}
|
|
|
|
void PE_InitializeDLLs(HMODULE16 hModule)
|
|
{
|
|
NE_MODULE *pModule;
|
|
HMODULE16 *pDLL;
|
|
pModule = MODULE_GetPtr( GetExePtr(hModule) );
|
|
if (pModule->dlls_to_init)
|
|
{
|
|
HANDLE to_init = pModule->dlls_to_init;
|
|
pModule->dlls_to_init = 0;
|
|
for (pDLL = (HMODULE16 *)GlobalLock16( to_init ); *pDLL; pDLL++)
|
|
{
|
|
PE_InitializeDLLs( *pDLL );
|
|
PE_InitDLL( *pDLL );
|
|
}
|
|
GlobalFree16( to_init );
|
|
}
|
|
PE_InitDLL( hModule );
|
|
}
|
|
#endif /* WINELIB */
|