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NE modules adapted to CreateProcess changes.
LoadModule16/LoadLibrary16 reorganization.
This commit is contained in:
Ulrich Weigand
Alexandre Julliard
parent
6e0d38603e
commit
fe14b6603d
1 changed files with 230 additions and 65 deletions
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@ -10,6 +10,7 @@
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#include <string.h>
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#include <unistd.h>
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#include "wine/winbase16.h"
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#include "winerror.h"
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#include "module.h"
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#include "neexe.h"
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#include "peexe.h"
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@ -708,7 +709,7 @@ static BOOL NE_LoadDLLs( NE_MODULE *pModule )
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/* its handle in the list of DLLs to initialize. */
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HMODULE16 hDLL;
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if ((hDLL = NE_LoadModule( buffer, NULL, TRUE, TRUE )) == 2)
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if ((hDLL = NE_LoadModule( buffer, TRUE )) == 2)
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{
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/* file not found */
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char *p;
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@ -718,7 +719,7 @@ static BOOL NE_LoadDLLs( NE_MODULE *pModule )
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if (!(p = strrchr( buffer, '\\' ))) p = buffer;
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memcpy( p + 1, pstr + 1, *pstr );
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strcpy( p + 1 + *pstr, ".dll" );
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hDLL = NE_LoadModule( buffer, NULL, TRUE, TRUE );
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hDLL = NE_LoadModule( buffer, TRUE );
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}
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if (hDLL < 32)
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{
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@ -743,63 +744,29 @@ static BOOL NE_LoadDLLs( NE_MODULE *pModule )
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/**********************************************************************
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* NE_LoadModule
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* NE_LoadFileModule
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*
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* Implementation of LoadModule16().
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* Load first instance of NE module from file.
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* (Note: caller is responsible for ensuring the module isn't
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* already loaded!)
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*/
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HINSTANCE16 NE_LoadModule( LPCSTR name, HINSTANCE16 *hPrevInstance,
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BOOL implicit, BOOL lib_only )
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static HINSTANCE16 NE_LoadFileModule( HFILE16 hFile, OFSTRUCT *ofs,
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BOOL implicit )
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{
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HMODULE16 hModule;
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HINSTANCE16 hInstance;
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HMODULE16 hModule;
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NE_MODULE *pModule;
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HFILE16 hFile;
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OFSTRUCT ofs;
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/* Check if the module is already loaded */
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if ((hModule = GetModuleHandle16( name )) != 0)
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{
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HINSTANCE16 prev;
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pModule = NE_GetPtr( hModule );
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if ( pModule->module32 ) return (HINSTANCE16)21;
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hInstance = NE_CreateInstance( pModule, &prev, lib_only );
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if (hInstance != prev) /* not a library */
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NE_LoadSegment( pModule, pModule->dgroup );
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pModule->count++;
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if (hPrevInstance) *hPrevInstance = prev;
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return hInstance;
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}
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if (hPrevInstance) *hPrevInstance = 0;
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/* Try to load the built-in first if not disabled */
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if ((hModule = fnBUILTIN_LoadModule( name, FALSE ))) return hModule;
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if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16)
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{
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/* Now try the built-in even if disabled */
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if ((hModule = fnBUILTIN_LoadModule( name, TRUE )))
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{
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MSG( "Could not load Windows DLL '%s', using built-in module.\n",
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name );
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return hModule;
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}
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return 2; /* File not found */
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}
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/* Create the module structure */
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hModule = NE_LoadExeHeader( hFile, &ofs );
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_lclose16( hFile );
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hModule = NE_LoadExeHeader( hFile, ofs );
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if (hModule < 32) return hModule;
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pModule = NE_GetPtr( hModule );
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/* Allocate the segments for this module */
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if (!NE_CreateSegments( pModule ) ||
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!(hInstance = NE_CreateInstance( pModule, NULL, lib_only )))
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!(hInstance = NE_CreateInstance( pModule, NULL, FALSE )))
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{
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GlobalFreeAll16( hModule );
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return 8; /* Insufficient memory */
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@ -833,35 +800,233 @@ HINSTANCE16 NE_LoadModule( LPCSTR name, HINSTANCE16 *hPrevInstance,
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return hInstance;
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}
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/**********************************************************************
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* NE_LoadModule
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*
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* Load first instance of NE module, deciding whether to use
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* built-in module or load module from file.
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* (Note: caller is responsible for ensuring the module isn't
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* already loaded!)
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*/
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HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL implicit )
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{
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HINSTANCE16 hInstance;
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HMODULE16 hModule;
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HFILE16 hFile;
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OFSTRUCT ofs;
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/* Try to load the built-in first if not disabled */
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if ((hModule = fnBUILTIN_LoadModule( name, FALSE ))) return hModule;
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if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16)
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{
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/* Now try the built-in even if disabled */
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if ((hModule = fnBUILTIN_LoadModule( name, TRUE )))
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{
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MSG( "Could not load Windows DLL '%s', using built-in module.\n",
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name );
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return hModule;
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}
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return 2; /* File not found */
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}
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hInstance = NE_LoadFileModule( hFile, &ofs, implicit );
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_lclose16( hFile );
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return hInstance;
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}
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/**********************************************************************
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* LoadModule16 (KERNEL.45)
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*/
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HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
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{
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BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
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LOADPARAMS16 *params;
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LPSTR cmd_line, new_cmd_line;
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LPCVOID env = NULL;
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STARTUPINFOA startup;
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PROCESS_INFORMATION info;
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HINSTANCE16 hInstance, hPrevInstance = 0;
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HMODULE16 hModule;
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NE_MODULE *pModule;
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PDB *pdb;
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/* Load module */
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if ( ( hModule = GetModuleHandle16( name ) ) != 0 )
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{
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/* Special case: second instance of an already loaded NE module */
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if ( !( pModule = NE_GetPtr( hModule ) ) ) return (HINSTANCE16)11;
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if ( pModule->module32 ) return (HINSTANCE16)21;
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hInstance = NE_CreateInstance( pModule, &hPrevInstance, lib_only );
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if ( hInstance != hPrevInstance ) /* not a library */
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NE_LoadSegment( pModule, pModule->dgroup );
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pModule->count++;
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}
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else
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{
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/* Main case: load first instance of NE module */
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if ( (hInstance = NE_LoadModule( name, FALSE )) < 32 );
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return hInstance;
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if ( !(pModule = NE_GetPtr( hInstance )) )
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return (HINSTANCE16)11;
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}
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/* If library module, we're finished */
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if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only )
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return hInstance;
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/* Create a task for this instance */
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pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
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params = (LOADPARAMS16 *)paramBlock;
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cmd_line = (LPSTR)PTR_SEG_TO_LIN( params->cmdLine );
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if (!cmd_line) cmd_line = "";
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else if (*cmd_line) cmd_line++; /* skip the length byte */
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if (!(new_cmd_line = HeapAlloc( GetProcessHeap(), 0,
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strlen(cmd_line)+strlen(name)+2 )))
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return 0;
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strcpy( new_cmd_line, name );
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strcat( new_cmd_line, " " );
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strcat( new_cmd_line, cmd_line );
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if (params->hEnvironment) env = GlobalLock16( params->hEnvironment );
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memset( &info, '\0', sizeof(info) );
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memset( &startup, '\0', sizeof(startup) );
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startup.cb = sizeof(startup);
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if (params->showCmd)
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{
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startup.dwFlags = STARTF_USESHOWWINDOW;
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startup.wShowWindow = ((UINT16 *)PTR_SEG_TO_LIN(params->showCmd))[1];
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}
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pdb = PROCESS_Create( pModule, new_cmd_line, env,
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hInstance, hPrevInstance, TRUE, &startup, &info );
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CloseHandle( info.hThread );
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CloseHandle( info.hProcess );
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if (params->hEnvironment) GlobalUnlock16( params->hEnvironment );
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HeapFree( GetProcessHeap(), 0, new_cmd_line );
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/* Start task */
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if (pdb) TASK_StartTask( pdb->task );
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return hInstance;
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}
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/**********************************************************************
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* NE_CreateProcess
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*/
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BOOL NE_CreateProcess( HFILE hFile, OFSTRUCT *ofs, LPCSTR cmd_line,
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LPCSTR env, BOOL inherit, LPSTARTUPINFOA startup,
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LPPROCESS_INFORMATION info )
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{
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HINSTANCE16 hInstance, hPrevInstance = 0;
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HMODULE16 hModule;
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NE_MODULE *pModule;
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HFILE16 hFile16;
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/* Special case: second instance of an already loaded NE module */
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if ( ( hModule = GetModuleHandle16( ofs->szPathName ) ) != 0 )
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{
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if ( !( pModule = NE_GetPtr( hModule) )
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|| ( pModule->flags & NE_FFLAGS_LIBMODULE )
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|| pModule->module32 )
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{
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SetLastError( ERROR_BAD_FORMAT );
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return FALSE;
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}
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hInstance = NE_CreateInstance( pModule, &hPrevInstance, FALSE );
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if ( hInstance != hPrevInstance ) /* not a library */
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NE_LoadSegment( pModule, pModule->dgroup );
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pModule->count++;
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}
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/* Main case: load first instance of NE module */
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else
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{
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/* If we didn't get a file handle, return */
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if ( hFile == HFILE_ERROR )
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return FALSE;
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/* Allocate temporary HFILE16 for NE_LoadFileModule */
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if (!DuplicateHandle( GetCurrentProcess(), hFile,
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GetCurrentProcess(), &hFile,
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0, FALSE, DUPLICATE_SAME_ACCESS ))
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{
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SetLastError( ERROR_INVALID_HANDLE );
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return FALSE;
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}
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hFile16 = FILE_AllocDosHandle( hFile );
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/* Load module */
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hInstance = NE_LoadFileModule( hFile16, ofs, TRUE );
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_lclose16( hFile16 );
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if ( hInstance < 32 )
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{
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SetLastError( hInstance );
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return FALSE;
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}
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if ( !( pModule = NE_GetPtr( hInstance ) )
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|| ( pModule->flags & NE_FFLAGS_LIBMODULE) )
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{
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/* FIXME: cleanup */
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SetLastError( ERROR_BAD_FORMAT );
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return FALSE;
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}
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}
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/* Create a task for this instance */
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pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
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if ( !PROCESS_Create( pModule, cmd_line, env,
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hInstance, hPrevInstance, inherit, startup, info ) )
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return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* LoadLibrary (KERNEL.95)
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* LoadLibrary16 (KERNEL.95)
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*/
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HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
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{
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HINSTANCE16 handle;
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LPCSTR p;
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char *new_name;
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char dllname[256], *p;
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TRACE( module, "(%08x) %s\n", (int)libname, libname );
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/* Check for an extension */
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/* Append .DLL to name if no extension present */
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if ((p = strrchr( libname, '.')) && !strchr( p, '/' ) && !strchr( p, '\\'))
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{
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/* An extension is present -> use the name as is */
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return NE_LoadModule( libname, NULL, FALSE, TRUE );
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}
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strcpy( dllname, libname );
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if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
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strcat( dllname, ".DLL" );
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/* Now append .dll before loading */
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/* Load library module */
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if (!(new_name = HeapAlloc( GetProcessHeap(), 0, strlen(libname) + 4 )))
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return 0;
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strcpy( new_name, libname );
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strcat( new_name, ".dll" );
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handle = NE_LoadModule( new_name, NULL, FALSE, TRUE );
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HeapFree( GetProcessHeap(), 0, new_name );
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return handle;
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return LoadModule16( dllname, (LPVOID)-1 );
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}
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@ -1163,7 +1328,7 @@ HMODULE WINAPI MapHModuleSL(HMODULE16 hmod) {
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if (!hmod) {
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TDB *pTask = (TDB*)GlobalLock16(GetCurrentTask());
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hmod = pTask->hInstance;
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hmod = pTask->hModule;
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}
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pModule = (NE_MODULE*)GlobalLock16(hmod);
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if ( (pModule->magic!=IMAGE_OS2_SIGNATURE) ||
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