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Commit 5fbb446c authored by Alexandre Julliard's avatar Alexandre Julliard
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Moved most of the 16-bit task support and NE module loader to

dlls/kernel.
parent df167d17
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Showing with 3445 additions and 3258 deletions
dlls/kernel/Makefile.in
View file @ 5fbb446c
......@@ -34,6 +34,8 @@ C_SRCS = \
lcformat.c \
local16.c \
locale.c \
ne_module.c \
ne_segment.c \
powermgnt.c \
process.c \
resource.c \
......@@ -42,6 +44,7 @@ C_SRCS = \
string.c \
sync.c \
tape.c \
task.c \
thread.c \
thunk.c \
time.c \
......
dlls/kernel/kernel_main.c
View file @ 5fbb446c
......@@ -97,6 +97,7 @@ static void thread_detach(void)
/* free the 16-bit stack */
K32WOWGlobalFree16( NtCurrentTeb()->stack_sel );
NtCurrentTeb()->cur_stack = 0;
if (!(NtCurrentTeb()->tibflags & TEBF_WIN32)) TASK_ExitTask();
}
......
dlls/kernel/ne_module.c 0 → 100644
View file @ 5fbb446c
/*
* NE modules
*
* Copyright 1995 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include "winbase.h"
#include "wine/winbase16.h"
#include "winerror.h"
#include "wownt32.h"
#include "wine/library.h"
#include "module.h"
#include "toolhelp.h"
#include "file.h"
#include "task.h"
#include "snoop.h"
#include "builtin16.h"
#include "stackframe.h"
#include "excpt.h"
#include "wine/exception.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(module);
WINE_DECLARE_DEBUG_CHANNEL(loaddll);
#include "pshpack1.h"
typedef struct _GPHANDLERDEF
{
WORD selector;
WORD rangeStart;
WORD rangeEnd;
WORD handler;
} GPHANDLERDEF;
#include "poppack.h"
/*
* Segment table entry
*/
struct ne_segment_table_entry_s
{
WORD seg_data_offset; /* Sector offset of segment data */
WORD seg_data_length; /* Length of segment data */
WORD seg_flags; /* Flags associated with this segment */
WORD min_alloc; /* Minimum allocation size for this */
};
#define hFirstModule (pThhook->hExeHead)
static NE_MODULE *pCachedModule = 0; /* Module cached by NE_OpenFile */
static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
static WINE_EXCEPTION_FILTER(page_fault)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ||
GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
/***********************************************************************
* NE_DumpModule
*/
void NE_DumpModule( HMODULE16 hModule )
{
int i, ordinal;
SEGTABLEENTRY *pSeg;
BYTE *pstr;
WORD *pword;
NE_MODULE *pModule;
ET_BUNDLE *bundle;
ET_ENTRY *entry;
if (!(pModule = NE_GetPtr( hModule )))
{
MESSAGE( "**** %04x is not a module handle\n", hModule );
return;
}
/* Dump the module info */
DPRINTF( "---\n" );
DPRINTF( "Module %04x:\n", hModule );
DPRINTF( "count=%d flags=%04x heap=%d stack=%d\n",
pModule->count, pModule->flags,
pModule->heap_size, pModule->stack_size );
DPRINTF( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup,
pModule->seg_count, pModule->modref_count );
DPRINTF( "os_flags=%d swap_area=%d version=%04x\n",
pModule->os_flags, pModule->min_swap_area,
pModule->expected_version );
if (pModule->flags & NE_FFLAGS_WIN32)
DPRINTF( "PE module=%p\n", pModule->module32 );
/* Dump the file info */
DPRINTF( "---\n" );
DPRINTF( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
/* Dump the segment table */
DPRINTF( "---\n" );
DPRINTF( "Segment table:\n" );
pSeg = NE_SEG_TABLE( pModule );
for (i = 0; i < pModule->seg_count; i++, pSeg++)
DPRINTF( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
pSeg->minsize, pSeg->hSeg );
/* Dump the resource table */
DPRINTF( "---\n" );
DPRINTF( "Resource table:\n" );
if (pModule->res_table)
{
pword = (WORD *)((BYTE *)pModule + pModule->res_table);
DPRINTF( "Alignment: %d\n", *pword++ );
while (*pword)
{
NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword;
NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1);
DPRINTF( "id=%04x count=%d\n", ptr->type_id, ptr->count );
for (i = 0; i < ptr->count; i++, pname++)
DPRINTF( "offset=%d len=%d id=%04x\n",
pname->offset, pname->length, pname->id );
pword = (WORD *)pname;
}
}
else DPRINTF( "None\n" );
/* Dump the resident name table */
DPRINTF( "---\n" );
DPRINTF( "Resident-name table:\n" );
pstr = (char *)pModule + pModule->name_table;
while (*pstr)
{
DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
*(WORD *)(pstr + *pstr + 1) );
pstr += *pstr + 1 + sizeof(WORD);
}
/* Dump the module reference table */
DPRINTF( "---\n" );
DPRINTF( "Module ref table:\n" );
if (pModule->modref_table)
{
pword = (WORD *)((BYTE *)pModule + pModule->modref_table);
for (i = 0; i < pModule->modref_count; i++, pword++)
{
char name[10];
GetModuleName16( *pword, name, sizeof(name) );
DPRINTF( "%d: %04x -> '%s'\n", i, *pword, name );
}
}
else DPRINTF( "None\n" );
/* Dump the entry table */
DPRINTF( "---\n" );
DPRINTF( "Entry table:\n" );
bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->entry_table);
do {
entry = (ET_ENTRY *)((BYTE *)bundle+6);
DPRINTF( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type);
ordinal = bundle->first;
while (ordinal < bundle->last)
{
if (entry->type == 0xff)
DPRINTF("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs);
else
DPRINTF("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs);
entry++;
}
} while ( (bundle->next) && (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) );
/* Dump the non-resident names table */
DPRINTF( "---\n" );
DPRINTF( "Non-resident names table:\n" );
if (pModule->nrname_handle)
{
pstr = (char *)GlobalLock16( pModule->nrname_handle );
while (*pstr)
{
DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
*(WORD *)(pstr + *pstr + 1) );
pstr += *pstr + 1 + sizeof(WORD);
}
}
DPRINTF( "\n" );
}
/***********************************************************************
* NE_WalkModules
*
* Walk the module list and print the modules.
*/
void NE_WalkModules(void)
{
HMODULE16 hModule = hFirstModule;
MESSAGE( "Module Flags Name\n" );
while (hModule)
{
NE_MODULE *pModule = NE_GetPtr( hModule );
if (!pModule)
{
MESSAGE( "Bad module %04x in list\n", hModule );
return;
}
MESSAGE( " %04x %04x %.*s\n", hModule, pModule->flags,
*((char *)pModule + pModule->name_table),
(char *)pModule + pModule->name_table + 1 );
hModule = pModule->next;
}
}
/***********************************************************************
* EntryAddrProc (KERNEL.667) Wine-specific export
*
* Return the entry point for a given ordinal.
*/
FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal )
{
FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE );
CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */
return ret;
}
/***********************************************************************
* NE_SetEntryPoint
*
* Change the value of an entry point. Use with caution!
* It can only change the offset value, not the selector.
*/
BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
{
NE_MODULE *pModule;
ET_ENTRY *entry;
ET_BUNDLE *bundle;
int i;
if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
assert( !(pModule->flags & NE_FFLAGS_WIN32) );
bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
{
bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
if (!(bundle->next)) return 0;
}
entry = (ET_ENTRY *)((BYTE *)bundle+6);
for (i=0; i < (ordinal - bundle->first - 1); i++)
entry++;
memcpy( &entry->offs, &offset, sizeof(WORD) );
return TRUE;
}
/***********************************************************************
* NE_OpenFile
*/
HANDLE NE_OpenFile( NE_MODULE *pModule )
{
HANDLE handle;
char *name;
TRACE("(%p)\n", pModule );
/* mjm - removed module caching because it keeps open file handles
thus preventing CDROMs from being ejected */
name = NE_MODULE_NAME( pModule );
if ((handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE)
MESSAGE( "Can't open file '%s' for module %04x\n", name, pModule->self );
TRACE("opened '%s' -> %p\n", name, handle);
return handle;
}
/* wrapper for SetFilePointer and ReadFile */
static BOOL read_data( HANDLE handle, LONG offset, void *buffer, DWORD size )
{
DWORD result;
if (SetFilePointer( handle, offset, NULL, SEEK_SET ) == INVALID_SET_FILE_POINTER) return FALSE;
if (!ReadFile( handle, buffer, size, &result, NULL )) return FALSE;
return (result == size);
}
/***********************************************************************
* NE_LoadExeHeader
*/
static HMODULE16 NE_LoadExeHeader( HANDLE handle, LPCSTR path )
{
IMAGE_DOS_HEADER mz_header;
IMAGE_OS2_HEADER ne_header;
int size;
HMODULE16 hModule;
NE_MODULE *pModule;
BYTE *pData, *pTempEntryTable;
char *buffer, *fastload = NULL;
int fastload_offset = 0, fastload_length = 0;
ET_ENTRY *entry;
ET_BUNDLE *bundle, *oldbundle;
OFSTRUCT *ofs;
/* Read a block from either the file or the fast-load area. */
#define READ(offset,size,buffer) \
((fastload && ((offset) >= fastload_offset) && \
((offset)+(size) <= fastload_offset+fastload_length)) ? \
(memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \
read_data( handle, (offset), (buffer), (size)))
if (!read_data( handle, 0, &mz_header, sizeof(mz_header)) ||
(mz_header.e_magic != IMAGE_DOS_SIGNATURE))
return (HMODULE16)11; /* invalid exe */
if (!read_data( handle, mz_header.e_lfanew, &ne_header, sizeof(ne_header) ))
return (HMODULE16)11; /* invalid exe */
if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */
if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) {
MESSAGE("Sorry, this is an OS/2 linear executable (LX) file !\n");
return (HMODULE16)12;
}
if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */
/* We now have a valid NE header */
size = sizeof(NE_MODULE) +
/* segment table */
ne_header.ne_cseg * sizeof(SEGTABLEENTRY) +
/* resource table */
ne_header.ne_restab - ne_header.ne_rsrctab +
/* resident names table */
ne_header.ne_modtab - ne_header.ne_restab +
/* module ref table */
ne_header.ne_cmod * sizeof(WORD) +
/* imported names table */
ne_header.ne_enttab - ne_header.ne_imptab +
/* entry table length */
ne_header.ne_cbenttab +
/* entry table extra conversion space */
sizeof(ET_BUNDLE) +
2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6) +
/* loaded file info */
sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
if (!hModule) return (HMODULE16)11; /* invalid exe */
FarSetOwner16( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
memcpy( pModule, &ne_header, sizeof(ne_header) );
pModule->count = 0;
/* check *programs* for default minimal stack size */
if ( (!(pModule->flags & NE_FFLAGS_LIBMODULE))
&& (pModule->stack_size < 0x1400) )
pModule->stack_size = 0x1400;
pModule->module32 = 0;
pModule->self = hModule;
pModule->self_loading_sel = 0;
pData = (BYTE *)(pModule + 1);
/* Clear internal Wine flags in case they are set in the EXE file */
pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
/* Read the fast-load area */
if (ne_header.ne_flagsothers & NE_AFLAGS_FASTLOAD)
{
fastload_offset=ne_header.ne_pretthunks << ne_header.ne_align;
fastload_length=ne_header.ne_psegrefbytes << ne_header.ne_align;
TRACE("Using fast-load area offset=%x len=%d\n",
fastload_offset, fastload_length );
if ((fastload = HeapAlloc( GetProcessHeap(), 0, fastload_length )) != NULL)
{
if (!read_data( handle, fastload_offset, fastload, fastload_length))
{
HeapFree( GetProcessHeap(), 0, fastload );
WARN("Error reading fast-load area!\n");
fastload = NULL;
}
}
}
/* Get the segment table */
pModule->seg_table = pData - (BYTE *)pModule;
buffer = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cseg *
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.ne_segtab,
ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s),
buffer ))
{
HeapFree( GetProcessHeap(), 0, buffer );
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pSeg = (struct ne_segment_table_entry_s *)buffer;
for (i = ne_header.ne_cseg; i > 0; i--, pSeg++)
{
memcpy( pData, pSeg, sizeof(*pSeg) );
pData += sizeof(SEGTABLEENTRY);
}
HeapFree( GetProcessHeap(), 0, buffer );
}
else
{
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
/* Get the resource table */
if (ne_header.ne_rsrctab < ne_header.ne_restab)
{
pModule->res_table = pData - (BYTE *)pModule;
if (!READ(mz_header.e_lfanew + ne_header.ne_rsrctab,
ne_header.ne_restab - ne_header.ne_rsrctab,
pData ))
return (HMODULE16)11; /* invalid exe */
pData += ne_header.ne_restab - ne_header.ne_rsrctab;
NE_InitResourceHandler( pModule );
}
else pModule->res_table = 0; /* No resource table */
/* Get the resident names table */
pModule->name_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_restab,
ne_header.ne_modtab - ne_header.ne_restab,
pData ))
{
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.ne_modtab - ne_header.ne_restab;
/* Get the module references table */
if (ne_header.ne_cmod > 0)
{
pModule->modref_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_modtab,
ne_header.ne_cmod * sizeof(WORD),
pData ))
{
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.ne_cmod * sizeof(WORD);
}
else pModule->modref_table = 0; /* No module references */
/* Get the imported names table */
pModule->import_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_imptab,
ne_header.ne_enttab - ne_header.ne_imptab,
pData ))
{
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.ne_enttab - ne_header.ne_imptab;
/* Load entry table, convert it to the optimized version used by Windows */
if ((pTempEntryTable = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cbenttab)) != NULL)
{
BYTE nr_entries, type, *s;
TRACE("Converting entry table.\n");
pModule->entry_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_enttab,
ne_header.ne_cbenttab, pTempEntryTable ))
{
HeapFree( GetProcessHeap(), 0, pTempEntryTable );
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
s = pTempEntryTable;
TRACE("entry table: offs %04x, len %04x, entries %d\n", ne_header.ne_enttab, ne_header.ne_cbenttab, *s);
bundle = (ET_BUNDLE *)pData;
TRACE("first bundle: %p\n", bundle);
memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
entry = (ET_ENTRY *)((BYTE *)bundle+6);
while ((nr_entries = *s++))
{
if ((type = *s++))
{
bundle->last += nr_entries;
if (type == 0xff)
while (nr_entries--)
{
entry->type = type;
entry->flags = *s++;
s += 2;
entry->segnum = *s++;
entry->offs = *(WORD *)s; s += 2;
/*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
entry++;
}
else
while (nr_entries--)
{
entry->type = type;
entry->flags = *s++;
entry->segnum = type;
entry->offs = *(WORD *)s; s += 2;
/*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
entry++;
}
}
else
{
if (bundle->first == bundle->last)
{
bundle->first += nr_entries;
bundle->last += nr_entries;
}
else
{
oldbundle = bundle;
oldbundle->next = ((int)entry - (int)pModule);
bundle = (ET_BUNDLE *)entry;
TRACE("new bundle: %p\n", bundle);
bundle->first = bundle->last =
oldbundle->last + nr_entries;
bundle->next = 0;
(BYTE *)entry += sizeof(ET_BUNDLE);
}
}
}
HeapFree( GetProcessHeap(), 0, pTempEntryTable );
}
else
{
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.ne_cbenttab + sizeof(ET_BUNDLE) +
2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6);
if ((DWORD)entry > (DWORD)pData)
ERR("converted entry table bigger than reserved space !!!\nentry: %p, pData: %p. Please report !\n", entry, pData);
/* Store the filename information */
pModule->fileinfo = pData - (BYTE *)pModule;
size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
ofs = (OFSTRUCT *)pData;
ofs->cBytes = size - 1;
ofs->fFixedDisk = 1;
strcpy( ofs->szPathName, path );
pData += size;
/* Free the fast-load area */
#undef READ
if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
/* Get the non-resident names table */
if (ne_header.ne_cbnrestab)
{
pModule->nrname_handle = GlobalAlloc16( 0, ne_header.ne_cbnrestab );
if (!pModule->nrname_handle)
{
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
FarSetOwner16( pModule->nrname_handle, hModule );
buffer = GlobalLock16( pModule->nrname_handle );
if (!read_data( handle, ne_header.ne_nrestab, buffer, ne_header.ne_cbnrestab ))
{
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 = GlobalAlloc16( GMEM_ZEROINIT,
(pModule->modref_count+1)*sizeof(HMODULE16) );
if (!pModule->dlls_to_init)
{
if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
FarSetOwner16( pModule->dlls_to_init, hModule );
}
else pModule->dlls_to_init = 0;
NE_RegisterModule( pModule );
SNOOP16_RegisterDLL(pModule,path);
return hModule;
}
/***********************************************************************
* NE_LoadDLLs
*
* Load all DLLs implicitly linked to a module.
*/
static BOOL 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], *p;
BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef;
memcpy( buffer, pstr + 1, *pstr );
*(buffer + *pstr) = 0; /* terminate it */
TRACE("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;
/* Append .DLL to name if no extension present */
if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
strcat( buffer, ".DLL" );
if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
{
/* FIXME: cleanup what was done */
MESSAGE( "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_DoLoadModule
*
* Load first instance of NE module from file.
*
* pModule must point to a module structure prepared by NE_LoadExeHeader.
* This routine must never be called twice on a module.
*
*/
static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
{
/* Allocate the segments for this module */
if (!NE_CreateAllSegments( pModule ))
return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
/* Load the referenced DLLs */
if (!NE_LoadDLLs( pModule ))
return ERROR_FILE_NOT_FOUND; /* 2 */
/* Load the segments */
NE_LoadAllSegments( 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;
return NE_GetInstance( pModule );
}
/**********************************************************************
* NE_LoadModule
*
* Load first instance of NE module. (Note: caller is responsible for
* ensuring the module isn't already loaded!)
*
* If the module turns out to be an executable module, only a
* handle to a module stub is returned; this needs to be initialized
* by calling NE_DoLoadModule later, in the context of the newly
* created process.
*
* If lib_only is TRUE, however, the module is perforce treated
* like a DLL module, even if it is an executable module.
*
*/
static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
{
NE_MODULE *pModule;
HMODULE16 hModule;
HINSTANCE16 hInstance;
HFILE16 hFile;
OFSTRUCT ofs;
/* Open file */
if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16)
return (HMODULE16)2; /* File not found */
hModule = NE_LoadExeHeader( DosFileHandleToWin32Handle(hFile), ofs.szPathName );
_lclose16( hFile );
if (hModule < 32) return hModule;
pModule = NE_GetPtr( hModule );
if ( !pModule ) return hModule;
if ( !lib_only && !( pModule->flags & NE_FFLAGS_LIBMODULE ) )
return hModule;
hInstance = NE_DoLoadModule( pModule );
if ( hInstance < 32 )
{
/* cleanup ... */
NE_FreeModule( hModule, 0 );
}
return hInstance;
}
/**********************************************************************
* MODULE_LoadModule16
*
* Load a NE module in the order of the loadorder specification.
* The caller is responsible that the module is not loaded already.
*
*/
static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
{
HINSTANCE16 hinst = 2;
enum loadorder_type loadorder[LOADORDER_NTYPES];
int i;
const char *filetype = "";
MODULE_GetLoadOrder(loadorder, libname, FALSE);
for(i = 0; i < LOADORDER_NTYPES; i++)
{
if (loadorder[i] == LOADORDER_INVALID) break;
switch(loadorder[i])
{
case LOADORDER_DLL:
TRACE("Trying native dll '%s'\n", libname);
hinst = NE_LoadModule(libname, lib_only);
filetype = "native";
break;
case LOADORDER_BI:
TRACE("Trying built-in '%s'\n", libname);
hinst = BUILTIN_LoadModule(libname);
filetype = "builtin";
break;
default:
hinst = 2;
break;
}
if(hinst >= 32)
{
TRACE_(loaddll)("Loaded module '%s' : %s\n", libname, filetype);
if(!implicit)
{
HMODULE16 hModule;
NE_MODULE *pModule;
hModule = GetModuleHandle16(libname);
if(!hModule)
{
ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
libname, hinst);
return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
}
pModule = NE_GetPtr(hModule);
if(!pModule)
{
ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
libname, hinst);
return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
}
TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
/*
* Call initialization routines for all loaded DLLs. Note that
* when we load implicitly linked DLLs this will be done by InitTask().
*/
if(pModule->flags & NE_FFLAGS_LIBMODULE)
{
NE_InitializeDLLs(hModule);
NE_DllProcessAttach(hModule);
}
}
return hinst;
}
if(hinst != 2)
{
/* We quit searching when we get another error than 'File not found' */
break;
}
}
return hinst; /* The last error that occurred */
}
/**********************************************************************
* NE_CreateThread
*
* Create the thread for a 16-bit module.
*/
static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
{
HANDLE hThread;
TDB *pTask;
HTASK16 hTask;
HINSTANCE16 instance = 0;
if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
return 0;
/* Post event to start the task */
PostEvent16( hTask );
/* Wait until we get the instance handle */
do
{
DirectedYield16( hTask );
if (!IsTask16( hTask )) /* thread has died */
{
DWORD exit_code;
WaitForSingleObject( hThread, INFINITE );
GetExitCodeThread( hThread, &exit_code );
CloseHandle( hThread );
return exit_code;
}
if (!(pTask = GlobalLock16( hTask ))) break;
instance = pTask->hInstance;
GlobalUnlock16( hTask );
} while (!instance);
CloseHandle( hThread );
return instance;
}
/**********************************************************************
* LoadModule (KERNEL.45)
*/
HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
{
BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
LOADPARAMS16 *params;
HMODULE16 hModule;
NE_MODULE *pModule;
LPSTR cmdline;
WORD cmdShow;
/* Load module */
if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
{
/* Special case: second instance of an already loaded NE module */
if ( !( pModule = NE_GetPtr( hModule ) ) ) return (HINSTANCE16)11;
if ( pModule->module32 ) return (HINSTANCE16)21;
/* Increment refcount */
pModule->count++;
}
else
{
/* Main case: load first instance of NE module */
if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
return hModule;
if ( !(pModule = NE_GetPtr( hModule )) )
return (HINSTANCE16)11;
}
/* If library module, we just retrieve the instance handle */
if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only )
return NE_GetInstance( pModule );
/*
* At this point, we need to create a new process.
*
* pModule points either to an already loaded module, whose refcount
* has already been incremented (to avoid having the module vanish
* in the meantime), or else to a stub module which contains only header
* information.
*/
params = (LOADPARAMS16 *)paramBlock;
cmdShow = ((WORD *)MapSL(params->showCmd))[1];
cmdline = MapSL( params->cmdLine );
return NE_CreateThread( pModule, cmdShow, cmdline );
}
/**********************************************************************
* NE_StartTask
*
* Startup code for a new 16-bit task.
*/
DWORD NE_StartTask(void)
{
TDB *pTask = TASK_GetCurrent();
NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
HINSTANCE16 hInstance, hPrevInstance;
SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
WORD sp;
if ( pModule->count > 0 )
{
/* Second instance of an already loaded NE module */
/* Note that the refcount was already incremented by the parent */
hPrevInstance = NE_GetInstance( pModule );
if ( pModule->dgroup )
if ( NE_CreateSegment( pModule, pModule->dgroup ) )
NE_LoadSegment( pModule, pModule->dgroup );
hInstance = NE_GetInstance( pModule );
TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance);
}
else
{
/* Load first instance of NE module */
pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
hInstance = NE_DoLoadModule( pModule );
hPrevInstance = 0;
}
if ( hInstance >= 32 )
{
CONTEXT86 context;
/* Enter instance handles into task struct */
pTask->hInstance = hInstance;
pTask->hPrevInstance = hPrevInstance;
/* Use DGROUP for 16-bit stack */
if (!(sp = pModule->sp))
sp = pSegTable[pModule->ss-1].minsize + pModule->stack_size;
sp &= ~1;
sp -= sizeof(STACK16FRAME);
pTask->teb->cur_stack = MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
/* Registers at initialization must be:
* ax zero
* bx stack size in bytes
* cx heap size in bytes
* si previous app instance
* di current app instance
* bp zero
* es selector to the PSP
* ds dgroup of the application
* ss stack selector
* sp top of the stack
*/
memset( &context, 0, sizeof(context) );
context.SegCs = GlobalHandleToSel16(pSegTable[pModule->cs - 1].hSeg);
context.SegDs = GlobalHandleToSel16(pTask->hInstance);
context.SegEs = pTask->hPDB;
context.Eip = pModule->ip;
context.Ebx = pModule->stack_size;
context.Ecx = pModule->heap_size;
context.Edi = pTask->hInstance;
context.Esi = pTask->hPrevInstance;
/* Now call 16-bit entry point */
TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n",
context.SegCs, context.Eip, context.SegDs,
SELECTOROF(pTask->teb->cur_stack),
OFFSETOF(pTask->teb->cur_stack) );
wine_call_to_16_regs_short( &context, 0 );
ExitThread( LOWORD(context.Eax) );
}
return hInstance; /* error code */
}
/***********************************************************************
* LoadLibrary (KERNEL.95)
* LoadLibrary16 (KERNEL32.35)
*/
HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
{
return LoadModule16(libname, (LPVOID)-1 );
}
/**********************************************************************
* 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 )
{
BOOL16 ret;
FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
if (!WEP) return FALSE;
__TRY
{
WORD args[1];
DWORD dwRet;
args[0] = WEP_FREE_DLL;
WOWCallback16Ex( (DWORD)WEP, WCB16_PASCAL, sizeof(args), args, &dwRet );
ret = LOWORD(dwRet);
}
__EXCEPT(page_fault)
{
WARN("Page fault\n");
ret = 0;
}
__ENDTRY
return ret;
}
/**********************************************************************
* NE_FreeModule
*
* Implementation of FreeModule16().
*/
static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
{
HMODULE16 *hPrevModule;
NE_MODULE *pModule;
HMODULE16 *pModRef;
int i;
if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
hModule = pModule->self;
TRACE("%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 && !(pModule->flags & NE_FFLAGS_WIN32))
{
/* Free the objects owned by the DLL module */
NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD );
if (pModule->flags & NE_FFLAGS_LIBMODULE)
MODULE_CallWEP( hModule );
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 */
GlobalFreeAll16( hModule );
/* Remove module from cache */
if (pCachedModule == pModule) pCachedModule = NULL;
return TRUE;
}
/**********************************************************************
* FreeModule (KERNEL.46)
*/
BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
{
return NE_FreeModule( hModule, TRUE );
}
/***********************************************************************
* FreeLibrary (KERNEL.96)
* FreeLibrary16 (KERNEL32.36)
*/
void WINAPI FreeLibrary16( HINSTANCE16 handle )
{
TRACE("%04x\n", handle );
FreeModule16( handle );
}
/**********************************************************************
* GetModuleName (KERNEL.27)
*/
BOOL16 WINAPI GetModuleName16( 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 GetModuleUsage16( HINSTANCE16 hModule )
{
NE_MODULE *pModule = NE_GetPtr( hModule );
return pModule ? pModule->count : 0;
}
/**********************************************************************
* GetExpWinVer (KERNEL.167)
*/
WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
{
NE_MODULE *pModule = NE_GetPtr( hModule );
if ( !pModule ) return 0;
/*
* For built-in modules, fake the expected version the module should
* have according to the Windows version emulated by Wine
*/
if ( !pModule->expected_version )
{
OSVERSIONINFOA versionInfo;
versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
if ( GetVersionExA( &versionInfo ) )
pModule->expected_version =
(versionInfo.dwMajorVersion & 0xff) << 8
| (versionInfo.dwMinorVersion & 0xff);
}
return pModule->expected_version;
}
/***********************************************************************
* WinExec (KERNEL.166)
*/
HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
{
LPCSTR p, args = NULL;
LPCSTR name_beg, name_end;
LPSTR name, cmdline;
int arglen;
HINSTANCE16 ret;
char buffer[MAX_PATH];
if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
{
name_beg = lpCmdLine+1;
p = strchr ( lpCmdLine+1, '"' );
if (p)
{
name_end = p;
args = strchr ( p, ' ' );
}
else /* yes, even valid with trailing '"' missing */
name_end = lpCmdLine+strlen(lpCmdLine);
}
else
{
name_beg = lpCmdLine;
args = strchr( lpCmdLine, ' ' );
name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
}
if ((name_beg == lpCmdLine) && (!args))
{ /* just use the original cmdline string as file name */
name = (LPSTR)lpCmdLine;
}
else
{
if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
return ERROR_NOT_ENOUGH_MEMORY;
memcpy( name, name_beg, name_end - name_beg );
name[name_end - name_beg] = '\0';
}
if (args)
{
args++;
arglen = strlen(args);
cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
cmdline[0] = (BYTE)arglen;
strcpy( cmdline + 1, args );
}
else
{
cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
cmdline[0] = cmdline[1] = 0;
}
TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
{
LOADPARAMS16 params;
WORD showCmd[2];
showCmd[0] = 2;
showCmd[1] = nCmdShow;
params.hEnvironment = 0;
params.cmdLine = MapLS( cmdline );
params.showCmd = MapLS( showCmd );
params.reserved = 0;
ret = LoadModule16( buffer, &params );
UnMapLS( params.cmdLine );
UnMapLS( params.showCmd );
}
else ret = GetLastError();
HeapFree( GetProcessHeap(), 0, cmdline );
if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
if (ret == 21) /* 32-bit module */
{
DWORD count;
ReleaseThunkLock( &count );
ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) );
RestoreThunkLock( count );
}
return ret;
}
/**********************************************************************
* GetModuleHandle (KERNEL.47)
*
* Find a module from a module name.
*
* NOTE: The current implementation works the same way the Windows 95 one
* does. Do not try to 'fix' it, fix the callers.
* + It does not do ANY extension handling (except that strange .EXE bit)!
* + It does not care about paths, just about basenames. (same as Windows)
*
* 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( MapSL(name)), hFirstModule );
}
/**********************************************************************
* NE_GetModuleByFilename
*/
static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
{
HMODULE16 hModule;
LPSTR s, p;
BYTE len, *name_table;
char tmpstr[MAX_PATH];
NE_MODULE *pModule;
lstrcpynA(tmpstr, name, sizeof(tmpstr));
/* If the base filename of 'name' matches the base filename of the module
* filename of some module (case-insensitive compare):
* Return its handle.
*/
/* basename: search backwards in passed name to \ / or : */
s = tmpstr + strlen(tmpstr);
while (s > tmpstr)
{
if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
break;
s--;
}
/* search this in loaded filename list */
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
char *loadedfn;
OFSTRUCT *ofs;
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (!pModule->fileinfo) continue;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
/* basename: search backwards in pathname to \ / or : */
while (loadedfn > (char*)ofs->szPathName)
{
if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
break;
loadedfn--;
}
/* case insensitive compare ... */
if (!FILE_strcasecmp(loadedfn, s))
return hModule;
}
/* If basename (without ext) matches the module name of a module:
* Return its handle.
*/
if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
len = strlen(s);
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
name_table = (BYTE *)pModule + pModule->name_table;
if ((*name_table == len) && !FILE_strncasecmp(s, name_table+1, len))
return hModule;
}
return 0;
}
/***********************************************************************
* GetProcAddress16 (KERNEL32.37)
* Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
*/
FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
{
if (!hModule) return 0;
if (HIWORD(hModule))
{
WARN("hModule is Win32 handle (%p)\n", hModule );
return 0;
}
return GetProcAddress16( LOWORD(hModule), name );
}
/**********************************************************************
* ModuleFirst (TOOLHELP.59)
*/
BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme )
{
lpme->wNext = hFirstModule;
return ModuleNext16( lpme );
}
/**********************************************************************
* ModuleNext (TOOLHELP.60)
*/
BOOL16 WINAPI ModuleNext16( 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, min(*name, MAX_MODULE_NAME) );
lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0';
lpme->hModule = lpme->wNext;
lpme->wcUsage = pModule->count;
lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) );
lpme->wNext = pModule->next;
return TRUE;
}
/**********************************************************************
* ModuleFindName (TOOLHELP.61)
*/
BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name )
{
lpme->wNext = GetModuleHandle16( name );
return ModuleNext16( lpme );
}
/**********************************************************************
* ModuleFindHandle (TOOLHELP.62)
*/
BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule )
{
hModule = GetExePtr( hModule );
lpme->wNext = hModule;
return ModuleNext16( lpme );
}
/***************************************************************************
* IsRomModule (KERNEL.323)
*/
BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
{
return FALSE;
}
/***************************************************************************
* IsRomFile (KERNEL.326)
*/
BOOL16 WINAPI IsRomFile16( HFILE16 unused )
{
return FALSE;
}
/***********************************************************************
* create_dummy_module
*
* Create a dummy NE module for Win32 or Winelib.
*/
static HMODULE16 create_dummy_module( HMODULE module32 )
{
HMODULE16 hModule;
NE_MODULE *pModule;
SEGTABLEENTRY *pSegment;
char *pStr,*s;
unsigned int len;
const char* basename;
OFSTRUCT *ofs;
int of_size, size;
char filename[MAX_PATH];
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
if (!nt) return (HMODULE16)11; /* invalid exe */
/* Extract base filename */
GetModuleFileNameA( module32, filename, sizeof(filename) );
basename = strrchr(filename, '\\');
if (!basename) basename = filename;
else basename++;
len = strlen(basename);
if ((s = strchr(basename, '.'))) len = s - basename;
/* Allocate module */
of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
+ strlen(filename) + 1;
size = sizeof(NE_MODULE) +
/* loaded file info */
((of_size + 3) & ~3) +
/* segment table: DS,CS */
2 * sizeof(SEGTABLEENTRY) +
/* name table */
len + 2 +
/* several empty tables */
8;
hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
if (!hModule) return (HMODULE16)11; /* invalid exe */
FarSetOwner16( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
/* Set all used entries */
pModule->magic = IMAGE_OS2_SIGNATURE;
pModule->count = 1;
pModule->next = 0;
pModule->flags = NE_FFLAGS_WIN32;
pModule->dgroup = 0;
pModule->ss = 1;
pModule->cs = 2;
pModule->heap_size = 0;
pModule->stack_size = 0;
pModule->seg_count = 2;
pModule->modref_count = 0;
pModule->nrname_size = 0;
pModule->fileinfo = sizeof(NE_MODULE);
pModule->os_flags = NE_OSFLAGS_WINDOWS;
pModule->self = hModule;
pModule->module32 = module32;
/* Set version and flags */
pModule->expected_version = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
(nt->OptionalHeader.MinorSubsystemVersion & 0xff);
if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
/* Set loaded file information */
ofs = (OFSTRUCT *)(pModule + 1);
memset( ofs, 0, of_size );
ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
strcpy( ofs->szPathName, filename );
pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
pModule->seg_table = (int)pSegment - (int)pModule;
/* Data segment */
pSegment->size = 0;
pSegment->flags = NE_SEGFLAGS_DATA;
pSegment->minsize = 0x1000;
pSegment++;
/* Code segment */
pSegment->flags = 0;
pSegment++;
/* Module name */
pStr = (char *)pSegment;
pModule->name_table = (int)pStr - (int)pModule;
assert(len<256);
*pStr = len;
lstrcpynA( pStr+1, basename, len+1 );
pStr += len+2;
/* All tables zero terminated */
pModule->res_table = pModule->import_table = pModule->entry_table = (int)pStr - (int)pModule;
NE_RegisterModule( pModule );
LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */
return hModule;
}
/***********************************************************************
* PrivateLoadLibrary (KERNEL32.@)
*
* FIXME: rough guesswork, don't know what "Private" means
*/
HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
{
return LoadLibrary16(libname);
}
/***********************************************************************
* PrivateFreeLibrary (KERNEL32.@)
*
* FIXME: rough guesswork, don't know what "Private" means
*/
void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
{
FreeLibrary16(handle);
}
/***************************************************************************
* MapHModuleLS (KERNEL32.@)
*/
HMODULE16 WINAPI MapHModuleLS(HMODULE hmod)
{
HMODULE16 ret;
NE_MODULE *pModule;
if (!hmod)
return TASK_GetCurrent()->hInstance;
if (!HIWORD(hmod))
return LOWORD(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);
}
if ((ret = create_dummy_module( hmod )) < 32)
{
SetLastError(ret);
ret = 0;
}
return ret;
}
/***************************************************************************
* MapHModuleSL (KERNEL32.@)
*/
HMODULE WINAPI MapHModuleSL(HMODULE16 hmod)
{
NE_MODULE *pModule;
if (!hmod) {
TDB *pTask = TASK_GetCurrent();
hmod = pTask->hModule;
}
pModule = (NE_MODULE*)GlobalLock16(hmod);
if ((pModule->magic!=IMAGE_OS2_SIGNATURE) || !(pModule->flags & NE_FFLAGS_WIN32))
return 0;
return pModule->module32;
}
/***************************************************************************
* MapHInstLS (KERNEL32.@)
* MapHInstLS (KERNEL.472)
*/
void WINAPI MapHInstLS( CONTEXT86 *context )
{
context->Eax = MapHModuleLS( (HMODULE)context->Eax );
}
/***************************************************************************
* MapHInstSL (KERNEL32.@)
* MapHInstSL (KERNEL.473)
*/
void WINAPI MapHInstSL( CONTEXT86 *context )
{
context->Eax = (DWORD)MapHModuleSL( context->Eax );
}
/***************************************************************************
* MapHInstLS_PN (KERNEL32.@)
*/
void WINAPI MapHInstLS_PN( CONTEXT86 *context )
{
if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax );
}
/***************************************************************************
* MapHInstSL_PN (KERNEL32.@)
*/
void WINAPI MapHInstSL_PN( CONTEXT86 *context )
{
if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax );
}
loader/ne/segment.c → dlls/kernel/ne_segment.c
View file @ 5fbb446c
......@@ -34,6 +34,7 @@
#include <string.h>
#include "wine/winbase16.h"
#include "wownt32.h"
#include "wine/library.h"
#include "global.h"
#include "task.h"
......@@ -82,10 +83,6 @@ struct relocation_entry_s
static void NE_FixupSegmentPrologs(NE_MODULE *pModule, WORD segnum);
/* ### start build ### */
extern WORD CALLBACK NE_CallTo16_word_ww(FARPROC16,WORD,WORD);
extern WORD CALLBACK NE_CallTo16_word_www(FARPROC16,WORD,WORD,WORD);
/* ### stop build ### */
/***********************************************************************
* NE_GetRelocAddrName
......@@ -158,6 +155,8 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
DWORD oldstack;
HANDLE hFile32;
HFILE16 hFile16;
WORD args[3];
DWORD ret;
selfloadheader = MapSL( MAKESEGPTR(SEL(pSegTable->hSeg),0) );
oldstack = NtCurrentTeb()->cur_stack;
......@@ -169,8 +168,11 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
DuplicateHandle( GetCurrentProcess(), hf, GetCurrentProcess(), &hFile32,
0, FALSE, DUPLICATE_SAME_ACCESS );
hFile16 = Win32HandleToDosFileHandle( hFile32 );
pSeg->hSeg = NE_CallTo16_word_www( selfloadheader->LoadAppSeg,
pModule->self, hFile16, segnum );
args[2] = pModule->self;
args[1] = hFile16;
args[0] = segnum;
WOWCallback16Ex( (DWORD)selfloadheader->LoadAppSeg, WCB16_PASCAL, sizeof(args), args, &ret );
pSeg->hSeg = LOWORD(ret);
TRACE_(dll)("Ret CallLoadAppSegProc: hSeg = 0x%04x\n", pSeg->hSeg);
_lclose16( hFile16 );
NtCurrentTeb()->cur_stack = oldstack;
......@@ -450,6 +452,7 @@ BOOL NE_LoadAllSegments( NE_MODULE *pModule )
SELFLOADHEADER *selfloadheader;
HMODULE16 mod = GetModuleHandle16("KERNEL");
DWORD oldstack;
WORD args[2];
TRACE_(module)("%.*s is a self-loading module!\n",
*((BYTE*)pModule + pModule->name_table),
......@@ -470,7 +473,9 @@ BOOL NE_LoadAllSegments( NE_MODULE *pModule )
hFile16 = Win32HandleToDosFileHandle( hf );
TRACE_(dll)("CallBootAppProc(hModule=0x%04x,hf=0x%04x)\n",
pModule->self,hFile16);
NE_CallTo16_word_ww(selfloadheader->BootApp, pModule->self,hFile16);
args[1] = pModule->self;
args[0] = hFile16;
WOWCallback16Ex( (DWORD)selfloadheader->BootApp, WCB16_PASCAL, sizeof(args), args, NULL );
TRACE_(dll)("Return from CallBootAppProc\n");
_lclose16(hFile16);
NtCurrentTeb()->cur_stack = oldstack;
......
dlls/kernel/task.c 0 → 100644
View file @ 5fbb446c
/*
* Task functions
*
* Copyright 1995 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "winbase.h"
#include "wingdi.h"
#include "winnt.h"
#include "wownt32.h"
#include "winuser.h"
#include "wine/winbase16.h"
#include "drive.h"
#include "file.h"
#include "global.h"
#include "instance.h"
#include "module.h"
#include "winternl.h"
#include "selectors.h"
#include "wine/server.h"
#include "syslevel.h"
#include "stackframe.h"
#include "task.h"
#include "thread.h"
#include "toolhelp.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(task);
WINE_DECLARE_DEBUG_CHANNEL(relay);
WINE_DECLARE_DEBUG_CHANNEL(toolhelp);
/* Min. number of thunks allocated when creating a new segment */
#define MIN_THUNKS 32
static THHOOK DefaultThhook;
#define hFirstTask (pThhook->HeadTDB)
#define hLockedTask (pThhook->LockTDB)
static UINT16 nTaskCount = 0;
static HTASK16 initial_task;
/***********************************************************************
* TASK_InstallTHHook
*/
void TASK_InstallTHHook( THHOOK *pNewThhook )
{
THHOOK *pOldThhook = pThhook;
pThhook = pNewThhook? pNewThhook : &DefaultThhook;
*pThhook = *pOldThhook;
}
/***********************************************************************
* TASK_GetPtr
*/
static TDB *TASK_GetPtr( HTASK16 hTask )
{
return GlobalLock16( hTask );
}
/***********************************************************************
* TASK_GetCurrent
*/
TDB *TASK_GetCurrent(void)
{
return TASK_GetPtr( GetCurrentTask() );
}
/***********************************************************************
* TASK_LinkTask
*/
static void TASK_LinkTask( HTASK16 hTask )
{
HTASK16 *prevTask;
TDB *pTask;
if (!(pTask = TASK_GetPtr( hTask ))) return;
prevTask = &hFirstTask;
while (*prevTask)
{
TDB *prevTaskPtr = TASK_GetPtr( *prevTask );
if (prevTaskPtr->priority >= pTask->priority) break;
prevTask = &prevTaskPtr->hNext;
}
pTask->hNext = *prevTask;
*prevTask = hTask;
nTaskCount++;
}
/***********************************************************************
* TASK_UnlinkTask
*/
static void TASK_UnlinkTask( HTASK16 hTask )
{
HTASK16 *prevTask;
TDB *pTask;
prevTask = &hFirstTask;
while (*prevTask && (*prevTask != hTask))
{
pTask = TASK_GetPtr( *prevTask );
prevTask = &pTask->hNext;
}
if (*prevTask)
{
pTask = TASK_GetPtr( *prevTask );
*prevTask = pTask->hNext;
pTask->hNext = 0;
nTaskCount--;
}
}
/***********************************************************************
* TASK_CreateThunks
*
* Create a thunk free-list in segment 'handle', starting from offset 'offset'
* and containing 'count' entries.
*/
static void TASK_CreateThunks( HGLOBAL16 handle, WORD offset, WORD count )
{
int i;
WORD free;
THUNKS *pThunk;
pThunk = (THUNKS *)((BYTE *)GlobalLock16( handle ) + offset);
pThunk->next = 0;
pThunk->magic = THUNK_MAGIC;
pThunk->free = (int)&pThunk->thunks - (int)pThunk;
free = pThunk->free;
for (i = 0; i < count-1; i++)
{
free += 8; /* Offset of next thunk */
pThunk->thunks[4*i] = free;
}
pThunk->thunks[4*i] = 0; /* Last thunk */
}
/***********************************************************************
* TASK_AllocThunk
*
* Allocate a thunk for MakeProcInstance().
*/
static SEGPTR TASK_AllocThunk(void)
{
TDB *pTask;
THUNKS *pThunk;
WORD sel, base;
if (!(pTask = TASK_GetCurrent())) return 0;
sel = pTask->hCSAlias;
pThunk = &pTask->thunks;
base = (int)pThunk - (int)pTask;
while (!pThunk->free)
{
sel = pThunk->next;
if (!sel) /* Allocate a new segment */
{
sel = GLOBAL_Alloc( GMEM_FIXED, sizeof(THUNKS) + (MIN_THUNKS-1)*8,
pTask->hPDB, WINE_LDT_FLAGS_CODE );
if (!sel) return (SEGPTR)0;
TASK_CreateThunks( sel, 0, MIN_THUNKS );
pThunk->next = sel;
}
pThunk = (THUNKS *)GlobalLock16( sel );
base = 0;
}
base += pThunk->free;
pThunk->free = *(WORD *)((BYTE *)pThunk + pThunk->free);
return MAKESEGPTR( sel, base );
}
/***********************************************************************
* TASK_FreeThunk
*
* Free a MakeProcInstance() thunk.
*/
static BOOL TASK_FreeThunk( SEGPTR thunk )
{
TDB *pTask;
THUNKS *pThunk;
WORD sel, base;
if (!(pTask = TASK_GetCurrent())) return 0;
sel = pTask->hCSAlias;
pThunk = &pTask->thunks;
base = (int)pThunk - (int)pTask;
while (sel && (sel != HIWORD(thunk)))
{
sel = pThunk->next;
pThunk = (THUNKS *)GlobalLock16( sel );
base = 0;
}
if (!sel) return FALSE;
*(WORD *)((BYTE *)pThunk + LOWORD(thunk) - base) = pThunk->free;
pThunk->free = LOWORD(thunk) - base;
return TRUE;
}
/***********************************************************************
* TASK_Create
*
* NOTE: This routine might be called by a Win32 thread. Thus, we need
* to be careful to protect global data structures. We do this
* by entering the Win16Lock while linking the task into the
* global task list.
*/
static TDB *TASK_Create( NE_MODULE *pModule, UINT16 cmdShow, TEB *teb, LPCSTR cmdline, BYTE len )
{
HTASK16 hTask;
TDB *pTask;
FARPROC16 proc;
HMODULE16 hModule = pModule ? pModule->self : 0;
/* Allocate the task structure */
hTask = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(TDB) );
if (!hTask) return NULL;
pTask = TASK_GetPtr( hTask );
FarSetOwner16( hTask, hModule );
/* Fill the task structure */
pTask->hSelf = hTask;
if (teb && teb->tibflags & TEBF_WIN32)
{
pTask->flags |= TDBF_WIN32;
pTask->hInstance = hModule;
pTask->hPrevInstance = 0;
/* NOTE: for 16-bit tasks, the instance handles are updated later on
in NE_InitProcess */
}
pTask->version = pModule ? pModule->expected_version : 0x0400;
pTask->hModule = hModule;
pTask->hParent = GetCurrentTask();
pTask->magic = TDB_MAGIC;
pTask->nCmdShow = cmdShow;
pTask->teb = teb;
pTask->curdrive = DRIVE_GetCurrentDrive() | 0x80;
strcpy( pTask->curdir, "\\" );
WideCharToMultiByte(CP_ACP, 0, DRIVE_GetDosCwd(DRIVE_GetCurrentDrive()), -1,
pTask->curdir + 1, sizeof(pTask->curdir) - 1, NULL, NULL);
pTask->curdir[sizeof(pTask->curdir) - 1] = 0; /* ensure 0 termination */
/* Create the thunks block */
TASK_CreateThunks( hTask, (int)&pTask->thunks - (int)pTask, 7 );
/* Copy the module name */
if (hModule)
{
char name[10];
GetModuleName16( hModule, name, sizeof(name) );
strncpy( pTask->module_name, name, sizeof(pTask->module_name) );
pTask->compat_flags = GetProfileIntA( "Compatibility", name, 0 );
}
/* Allocate a selector for the PDB */
pTask->hPDB = GLOBAL_CreateBlock( GMEM_FIXED, &pTask->pdb, sizeof(PDB16),
hModule, WINE_LDT_FLAGS_DATA );
/* Fill the PDB */
pTask->pdb.int20 = 0x20cd;
pTask->pdb.dispatcher[0] = 0x9a; /* ljmp */
proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DOS3Call" );
memcpy( &pTask->pdb.dispatcher[1], &proc, sizeof(proc) );
pTask->pdb.savedint22 = 0;
pTask->pdb.savedint23 = 0;
pTask->pdb.savedint24 = 0;
pTask->pdb.fileHandlesPtr =
MAKESEGPTR( GlobalHandleToSel16(pTask->hPDB), (int)&((PDB16 *)0)->fileHandles );
pTask->pdb.hFileHandles = 0;
memset( pTask->pdb.fileHandles, 0xff, sizeof(pTask->pdb.fileHandles) );
/* FIXME: should we make a copy of the environment? */
pTask->pdb.environment = SELECTOROF(GetDOSEnvironment16());
pTask->pdb.nbFiles = 20;
/* Fill the command line */
if (!cmdline)
{
cmdline = GetCommandLineA();
/* remove the first word (program name) */
if (*cmdline == '"')
if (!(cmdline = strchr( cmdline+1, '"' ))) cmdline = GetCommandLineA();
while (*cmdline && (*cmdline != ' ') && (*cmdline != '\t')) cmdline++;
while ((*cmdline == ' ') || (*cmdline == '\t')) cmdline++;
len = strlen(cmdline);
}
if (len >= sizeof(pTask->pdb.cmdLine)) len = sizeof(pTask->pdb.cmdLine)-1;
pTask->pdb.cmdLine[0] = len;
memcpy( pTask->pdb.cmdLine + 1, cmdline, len );
/* pTask->pdb.cmdLine[len+1] = 0; */
TRACE("cmdline='%.*s' task=%04x\n", len, cmdline, hTask );
/* Allocate a code segment alias for the TDB */
pTask->hCSAlias = GLOBAL_CreateBlock( GMEM_FIXED, (void *)pTask,
sizeof(TDB), pTask->hPDB, WINE_LDT_FLAGS_CODE );
/* Default DTA overwrites command line */
pTask->dta = MAKESEGPTR( pTask->hPDB, (int)&pTask->pdb.cmdLine - (int)&pTask->pdb );
/* Create scheduler event for 16-bit tasks */
if ( !(pTask->flags & TDBF_WIN32) )
NtCreateEvent( &pTask->hEvent, EVENT_ALL_ACCESS, NULL, TRUE, FALSE );
/* Enter task handle into thread */
if (teb) teb->htask16 = hTask;
if (!initial_task) initial_task = hTask;
return pTask;
}
/***********************************************************************
* TASK_DeleteTask
*/
static void TASK_DeleteTask( HTASK16 hTask )
{
TDB *pTask;
HGLOBAL16 hPDB;
if (!(pTask = TASK_GetPtr( hTask ))) return;
hPDB = pTask->hPDB;
pTask->magic = 0xdead; /* invalidate signature */
/* Free the selector aliases */
GLOBAL_FreeBlock( pTask->hCSAlias );
GLOBAL_FreeBlock( pTask->hPDB );
/* Free the task module */
FreeModule16( pTask->hModule );
/* Free the task structure itself */
GlobalFree16( hTask );
/* Free all memory used by this task (including the 32-bit stack, */
/* the environment block and the thunk segments). */
GlobalFreeAll16( hPDB );
}
/***********************************************************************
* TASK_CreateMainTask
*
* Create a task for the main (32-bit) process.
*/
void TASK_CreateMainTask(void)
{
TDB *pTask;
STARTUPINFOA startup_info;
UINT cmdShow = 1; /* SW_SHOWNORMAL but we don't want to include winuser.h here */
GetStartupInfoA( &startup_info );
if (startup_info.dwFlags & STARTF_USESHOWWINDOW) cmdShow = startup_info.wShowWindow;
pTask = TASK_Create( NULL, cmdShow, NtCurrentTeb(), NULL, 0 );
if (!pTask)
{
ERR("could not create task for main process\n");
ExitProcess(1);
}
/* Add the task to the linked list */
/* (no need to get the win16 lock, we are the only thread at this point) */
TASK_LinkTask( pTask->hSelf );
}
/* startup routine for a new 16-bit thread */
static DWORD CALLBACK task_start( TDB *pTask )
{
DWORD ret;
NtCurrentTeb()->tibflags &= ~TEBF_WIN32;
NtCurrentTeb()->htask16 = pTask->hSelf;
_EnterWin16Lock();
TASK_LinkTask( pTask->hSelf );
pTask->teb = NtCurrentTeb();
ret = NE_StartTask();
_LeaveWin16Lock();
return ret;
}
/***********************************************************************
* TASK_SpawnTask
*
* Spawn a new 16-bit task.
*/
HTASK16 TASK_SpawnTask( NE_MODULE *pModule, WORD cmdShow,
LPCSTR cmdline, BYTE len, HANDLE *hThread )
{
TDB *pTask;
if (!(pTask = TASK_Create( pModule, cmdShow, NULL, cmdline, len ))) return 0;
if (!(*hThread = CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE)task_start, pTask, 0, NULL )))
{
TASK_DeleteTask( pTask->hSelf );
return 0;
}
return pTask->hSelf;
}
/***********************************************************************
* TASK_GetTaskFromThread
*/
HTASK16 TASK_GetTaskFromThread( DWORD thread )
{
TDB *p = TASK_GetPtr( hFirstTask );
while (p)
{
if (p->teb->tid == thread) return p->hSelf;
p = TASK_GetPtr( p->hNext );
}
return 0;
}
/***********************************************************************
* TASK_CallTaskSignalProc
*/
static void TASK_CallTaskSignalProc( UINT16 uCode, HANDLE16 hTaskOrModule )
{
WORD args[5];
TDB *pTask = TASK_GetCurrent();
if ( !pTask || !pTask->userhandler ) return;
args[4] = hTaskOrModule;
args[3] = uCode;
args[2] = 0;
args[1] = pTask->hInstance;
args[0] = pTask->hQueue;
WOWCallback16Ex( (DWORD)pTask->userhandler, WCB16_PASCAL, sizeof(args), args, NULL );
}
/***********************************************************************
* TASK_ExitTask
*/
void TASK_ExitTask(void)
{
TDB *pTask;
DWORD lockCount;
/* Enter the Win16Lock to protect global data structures */
_EnterWin16Lock();
pTask = TASK_GetCurrent();
if ( !pTask )
{
_LeaveWin16Lock();
return;
}
TRACE("Killing task %04x\n", pTask->hSelf );
/* Perform USER cleanup */
TASK_CallTaskSignalProc( USIG16_TERMINATION, pTask->hSelf );
/* Remove the task from the list to be sure we never switch back to it */
TASK_UnlinkTask( pTask->hSelf );
if (!nTaskCount || (nTaskCount == 1 && hFirstTask == initial_task))
{
TRACE("this is the last task, exiting\n" );
ExitKernel16();
}
pTask->nEvents = 0;
if ( hLockedTask == pTask->hSelf )
hLockedTask = 0;
TASK_DeleteTask( pTask->hSelf );
/* ... and completely release the Win16Lock, just in case. */
ReleaseThunkLock( &lockCount );
}
/***********************************************************************
* ExitKernel (KERNEL.2)
*
* Clean-up everything and exit the Wine process.
*/
void WINAPI ExitKernel16(void)
{
WriteOutProfiles16();
TerminateProcess( GetCurrentProcess(), 0 );
}
/***********************************************************************
* InitTask (KERNEL.91)
*
* Called by the application startup code.
*/
void WINAPI InitTask16( CONTEXT86 *context )
{
TDB *pTask;
INSTANCEDATA *pinstance;
SEGPTR ptr;
context->Eax = 0;
if (!(pTask = TASK_GetCurrent())) return;
/* Note: we need to trust that BX/CX contain the stack/heap sizes,
as some apps, notably Visual Basic apps, *modify* the heap/stack
size of the instance data segment before calling InitTask() */
/* Initialize the INSTANCEDATA structure */
pinstance = MapSL( MAKESEGPTR(CURRENT_DS, 0) );
pinstance->stackmin = OFFSETOF( pTask->teb->cur_stack ) + sizeof( STACK16FRAME );
pinstance->stackbottom = pinstance->stackmin; /* yup, that's right. Confused me too. */
pinstance->stacktop = ( pinstance->stackmin > LOWORD(context->Ebx) ?
pinstance->stackmin - LOWORD(context->Ebx) : 0 ) + 150;
/* Initialize the local heap */
if (LOWORD(context->Ecx))
LocalInit16( GlobalHandleToSel16(pTask->hInstance), 0, LOWORD(context->Ecx) );
/* Initialize implicitly loaded DLLs */
NE_InitializeDLLs( pTask->hModule );
NE_DllProcessAttach( pTask->hModule );
/* Registers on return are:
* ax 1 if OK, 0 on error
* cx stack limit in bytes
* dx cmdShow parameter
* si instance handle of the previous instance
* di instance handle of the new task
* es:bx pointer to command line inside PSP
*
* 0 (=%bp) is pushed on the stack
*/
ptr = stack16_push( sizeof(WORD) );
*(WORD *)MapSL(ptr) = 0;
context->Esp -= 2;
context->Eax = 1;
if (!pTask->pdb.cmdLine[0]) context->Ebx = 0x80;
else
{
LPBYTE p = &pTask->pdb.cmdLine[1];
while ((*p == ' ') || (*p == '\t')) p++;
context->Ebx = 0x80 + (p - pTask->pdb.cmdLine);
}
context->Ecx = pinstance->stacktop;
context->Edx = pTask->nCmdShow;
context->Esi = (DWORD)pTask->hPrevInstance;
context->Edi = (DWORD)pTask->hInstance;
context->SegEs = (WORD)pTask->hPDB;
}
/***********************************************************************
* WaitEvent (KERNEL.30)
*/
BOOL16 WINAPI WaitEvent16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
pTask = TASK_GetPtr( hTask );
if (pTask->flags & TDBF_WIN32)
{
FIXME("called for Win32 thread (%04x)!\n", NtCurrentTeb()->teb_sel);
return TRUE;
}
if (pTask->nEvents > 0)
{
pTask->nEvents--;
return FALSE;
}
if (pTask->teb == NtCurrentTeb())
{
DWORD lockCount;
NtResetEvent( pTask->hEvent, NULL );
ReleaseThunkLock( &lockCount );
SYSLEVEL_CheckNotLevel( 1 );
WaitForSingleObject( pTask->hEvent, INFINITE );
RestoreThunkLock( lockCount );
if (pTask->nEvents > 0) pTask->nEvents--;
}
else FIXME("for other task %04x cur=%04x\n",pTask->hSelf,GetCurrentTask());
return TRUE;
}
/***********************************************************************
* PostEvent (KERNEL.31)
*/
void WINAPI PostEvent16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return;
if (pTask->flags & TDBF_WIN32)
{
FIXME("called for Win32 thread (%04x)!\n", pTask->teb->teb_sel );
return;
}
pTask->nEvents++;
if (pTask->nEvents == 1) NtSetEvent( pTask->hEvent, NULL );
}
/***********************************************************************
* SetPriority (KERNEL.32)
*/
void WINAPI SetPriority16( HTASK16 hTask, INT16 delta )
{
TDB *pTask;
INT16 newpriority;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return;
newpriority = pTask->priority + delta;
if (newpriority < -32) newpriority = -32;
else if (newpriority > 15) newpriority = 15;
pTask->priority = newpriority + 1;
TASK_UnlinkTask( pTask->hSelf );
TASK_LinkTask( pTask->hSelf );
pTask->priority--;
}
/***********************************************************************
* LockCurrentTask (KERNEL.33)
*/
HTASK16 WINAPI LockCurrentTask16( BOOL16 bLock )
{
if (bLock) hLockedTask = GetCurrentTask();
else hLockedTask = 0;
return hLockedTask;
}
/***********************************************************************
* IsTaskLocked (KERNEL.122)
*/
HTASK16 WINAPI IsTaskLocked16(void)
{
return hLockedTask;
}
/***********************************************************************
* OldYield (KERNEL.117)
*/
void WINAPI OldYield16(void)
{
DWORD count;
ReleaseThunkLock(&count);
RestoreThunkLock(count);
}
/***********************************************************************
* WIN32_OldYield (KERNEL.447)
*/
void WINAPI WIN32_OldYield16(void)
{
DWORD count;
ReleaseThunkLock(&count);
RestoreThunkLock(count);
}
/***********************************************************************
* DirectedYield (KERNEL.150)
*/
void WINAPI DirectedYield16( HTASK16 hTask )
{
OldYield16();
}
/***********************************************************************
* Yield (KERNEL.29)
*/
void WINAPI Yield16(void)
{
TDB *pCurTask = TASK_GetCurrent();
if (pCurTask && pCurTask->hQueue)
{
HMODULE mod = GetModuleHandleA( "user32.dll" );
if (mod)
{
FARPROC proc = GetProcAddress( mod, "UserYield16" );
if (proc)
{
proc();
return;
}
}
}
OldYield16();
}
/***********************************************************************
* KERNEL_490 (KERNEL.490)
*/
HTASK16 WINAPI KERNEL_490( HTASK16 someTask )
{
if ( !someTask ) return 0;
FIXME("(%04x): stub\n", someTask );
return 0;
}
/***********************************************************************
* MakeProcInstance (KERNEL.51)
*/
FARPROC16 WINAPI MakeProcInstance16( FARPROC16 func, HANDLE16 hInstance )
{
BYTE *thunk,*lfunc;
SEGPTR thunkaddr;
WORD hInstanceSelector;
hInstanceSelector = GlobalHandleToSel16(hInstance);
TRACE("(%08lx, %04x);\n", (DWORD)func, hInstance);
if (!HIWORD(func)) {
/* Win95 actually protects via SEH, but this is better for debugging */
WARN("Ouch ! Called with invalid func 0x%08lx !\n", (DWORD)func);
return (FARPROC16)0;
}
if ( (GlobalHandleToSel16(CURRENT_DS) != hInstanceSelector)
&& (hInstance != 0)
&& (hInstance != 0xffff) )
{
/* calling MPI with a foreign DSEG is invalid ! */
WARN("Problem with hInstance? Got %04x, using %04x instead\n",
hInstance,CURRENT_DS);
}
/* Always use the DSEG that MPI was entered with.
* We used to set hInstance to GetTaskDS16(), but this should be wrong
* as CURRENT_DS provides the DSEG value we need.
* ("calling" DS, *not* "task" DS !) */
hInstanceSelector = CURRENT_DS;
hInstance = GlobalHandle16(hInstanceSelector);
/* no thunking for DLLs */
if (NE_GetPtr(FarGetOwner16(hInstance))->flags & NE_FFLAGS_LIBMODULE)
return func;
thunkaddr = TASK_AllocThunk();
if (!thunkaddr) return (FARPROC16)0;
thunk = MapSL( thunkaddr );
lfunc = MapSL( (SEGPTR)func );
TRACE("(%08lx,%04x): got thunk %08lx\n",
(DWORD)func, hInstance, (DWORD)thunkaddr );
if (((lfunc[0]==0x8c) && (lfunc[1]==0xd8)) || /* movw %ds, %ax */
((lfunc[0]==0x1e) && (lfunc[1]==0x58)) /* pushw %ds, popw %ax */
) {
WARN("This was the (in)famous \"thunk useless\" warning. We thought we have to overwrite with nop;nop;, but this isn't true.\n");
}
*thunk++ = 0xb8; /* movw instance, %ax */
*thunk++ = (BYTE)(hInstanceSelector & 0xff);
*thunk++ = (BYTE)(hInstanceSelector >> 8);
*thunk++ = 0xea; /* ljmp func */
*(DWORD *)thunk = (DWORD)func;
return (FARPROC16)thunkaddr;
/* CX reg indicates if thunkaddr != NULL, implement if needed */
}
/***********************************************************************
* FreeProcInstance (KERNEL.52)
*/
void WINAPI FreeProcInstance16( FARPROC16 func )
{
TRACE("(%08lx)\n", (DWORD)func );
TASK_FreeThunk( (SEGPTR)func );
}
/**********************************************************************
* TASK_GetCodeSegment
*
* Helper function for GetCodeHandle/GetCodeInfo: Retrieve the module
* and logical segment number of a given code segment.
*
* 'proc' either *is* already a pair of module handle and segment number,
* in which case there's nothing to do. Otherwise, it is a pointer to
* a function, and we need to retrieve the code segment. If the pointer
* happens to point to a thunk, we'll retrieve info about the code segment
* where the function pointed to by the thunk resides, not the thunk itself.
*
* FIXME: if 'proc' is a SNOOP16 return stub, we should retrieve info about
* the function the snoop code will return to ...
*
*/
static BOOL TASK_GetCodeSegment( FARPROC16 proc, NE_MODULE **ppModule,
SEGTABLEENTRY **ppSeg, int *pSegNr )
{
NE_MODULE *pModule = NULL;
SEGTABLEENTRY *pSeg = NULL;
int segNr=0;
/* Try pair of module handle / segment number */
pModule = (NE_MODULE *) GlobalLock16( HIWORD( proc ) );
if ( pModule && pModule->magic == IMAGE_OS2_SIGNATURE )
{
segNr = LOWORD( proc );
if ( segNr && segNr <= pModule->seg_count )
pSeg = NE_SEG_TABLE( pModule ) + segNr-1;
}
/* Try thunk or function */
else
{
BYTE *thunk = MapSL( (SEGPTR)proc );
WORD selector;
if ((thunk[0] == 0xb8) && (thunk[3] == 0xea))
selector = thunk[6] + (thunk[7] << 8);
else
selector = HIWORD( proc );
pModule = NE_GetPtr( GlobalHandle16( selector ) );
pSeg = pModule? NE_SEG_TABLE( pModule ) : NULL;
if ( pModule )
for ( segNr = 1; segNr <= pModule->seg_count; segNr++, pSeg++ )
if ( GlobalHandleToSel16(pSeg->hSeg) == selector )
break;
if ( pModule && segNr > pModule->seg_count )
pSeg = NULL;
}
/* Abort if segment not found */
if ( !pModule || !pSeg )
return FALSE;
/* Return segment data */
if ( ppModule ) *ppModule = pModule;
if ( ppSeg ) *ppSeg = pSeg;
if ( pSegNr ) *pSegNr = segNr;
return TRUE;
}
/**********************************************************************
* GetCodeHandle (KERNEL.93)
*/
HANDLE16 WINAPI GetCodeHandle16( FARPROC16 proc )
{
SEGTABLEENTRY *pSeg;
if ( !TASK_GetCodeSegment( proc, NULL, &pSeg, NULL ) )
return (HANDLE16)0;
return pSeg->hSeg;
}
/**********************************************************************
* GetCodeInfo (KERNEL.104)
*/
BOOL16 WINAPI GetCodeInfo16( FARPROC16 proc, SEGINFO *segInfo )
{
NE_MODULE *pModule;
SEGTABLEENTRY *pSeg;
int segNr;
if ( !TASK_GetCodeSegment( proc, &pModule, &pSeg, &segNr ) )
return FALSE;
/* Fill in segment information */
segInfo->offSegment = pSeg->filepos;
segInfo->cbSegment = pSeg->size;
segInfo->flags = pSeg->flags;
segInfo->cbAlloc = pSeg->minsize;
segInfo->h = pSeg->hSeg;
segInfo->alignShift = pModule->alignment;
if ( segNr == pModule->dgroup )
segInfo->cbAlloc += pModule->heap_size + pModule->stack_size;
/* Return module handle in %es */
CURRENT_STACK16->es = GlobalHandleToSel16( pModule->self );
return TRUE;
}
/**********************************************************************
* DefineHandleTable (KERNEL.94)
*/
BOOL16 WINAPI DefineHandleTable16( WORD wOffset )
{
FIXME("(%04x): stub ?\n", wOffset);
return TRUE;
}
/***********************************************************************
* SetTaskQueue (KERNEL.34)
*/
HQUEUE16 WINAPI SetTaskQueue16( HTASK16 hTask, HQUEUE16 hQueue )
{
HQUEUE16 hPrev;
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return 0;
hPrev = pTask->hQueue;
pTask->hQueue = hQueue;
return hPrev;
}
/***********************************************************************
* GetTaskQueue (KERNEL.35)
*/
HQUEUE16 WINAPI GetTaskQueue16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return 0;
return pTask->hQueue;
}
/***********************************************************************
* SetThreadQueue (KERNEL.463)
*/
HQUEUE16 WINAPI SetThreadQueue16( DWORD thread, HQUEUE16 hQueue )
{
HQUEUE16 oldQueue = NtCurrentTeb()->queue;
if (thread && thread != GetCurrentThreadId())
{
FIXME( "not supported on other thread %04lx\n", thread );
return 0;
}
NtCurrentTeb()->queue = hQueue;
if ( GetTaskQueue16( NtCurrentTeb()->htask16 ) == oldQueue )
SetTaskQueue16( NtCurrentTeb()->htask16, hQueue );
return oldQueue;
}
/***********************************************************************
* GetThreadQueue (KERNEL.464)
*/
HQUEUE16 WINAPI GetThreadQueue16( DWORD thread )
{
if (thread && thread != GetCurrentThreadId())
{
FIXME( "not supported on other thread %04lx\n", thread );
return 0;
}
return NtCurrentTeb()->queue;
}
/***********************************************************************
* SetFastQueue (KERNEL.624)
*/
VOID WINAPI SetFastQueue16( DWORD thread, HQUEUE16 hQueue )
{
if (!thread || thread == GetCurrentThreadId())
NtCurrentTeb()->queue = hQueue;
else
FIXME( "not supported on other thread %04lx\n", thread );
}
/***********************************************************************
* GetFastQueue (KERNEL.625)
*/
HQUEUE16 WINAPI GetFastQueue16( void )
{
HQUEUE16 ret = NtCurrentTeb()->queue;
if (!ret) FIXME("(): should initialize thread-local queue, expect failure!\n" );
return ret;
}
/***********************************************************************
* SwitchStackTo (KERNEL.108)
*/
void WINAPI SwitchStackTo16( WORD seg, WORD ptr, WORD top )
{
TDB *pTask;
STACK16FRAME *oldFrame, *newFrame;
INSTANCEDATA *pData;
UINT16 copySize;
if (!(pTask = TASK_GetCurrent())) return;
if (!(pData = (INSTANCEDATA *)GlobalLock16( seg ))) return;
TRACE("old=%04x:%04x new=%04x:%04x\n",
SELECTOROF( pTask->teb->cur_stack ),
OFFSETOF( pTask->teb->cur_stack ), seg, ptr );
/* Save the old stack */
oldFrame = THREAD_STACK16( pTask->teb );
/* pop frame + args and push bp */
pData->old_ss_sp = pTask->teb->cur_stack + sizeof(STACK16FRAME)
+ 2 * sizeof(WORD);
*(WORD *)MapSL(pData->old_ss_sp) = oldFrame->bp;
pData->stacktop = top;
pData->stackmin = ptr;
pData->stackbottom = ptr;
/* Switch to the new stack */
/* Note: we need to take the 3 arguments into account; otherwise,
* the stack will underflow upon return from this function.
*/
copySize = oldFrame->bp - OFFSETOF(pData->old_ss_sp);
copySize += 3 * sizeof(WORD) + sizeof(STACK16FRAME);
pTask->teb->cur_stack = MAKESEGPTR( seg, ptr - copySize );
newFrame = THREAD_STACK16( pTask->teb );
/* Copy the stack frame and the local variables to the new stack */
memmove( newFrame, oldFrame, copySize );
newFrame->bp = ptr;
*(WORD *)MapSL( MAKESEGPTR( seg, ptr ) ) = 0; /* clear previous bp */
}
/***********************************************************************
* SwitchStackBack (KERNEL.109)
*/
void WINAPI SwitchStackBack16( CONTEXT86 *context )
{
STACK16FRAME *oldFrame, *newFrame;
INSTANCEDATA *pData;
if (!(pData = (INSTANCEDATA *)GlobalLock16(SELECTOROF(NtCurrentTeb()->cur_stack))))
return;
if (!pData->old_ss_sp)
{
WARN("No previous SwitchStackTo\n" );
return;
}
TRACE("restoring stack %04x:%04x\n",
SELECTOROF(pData->old_ss_sp), OFFSETOF(pData->old_ss_sp) );
oldFrame = CURRENT_STACK16;
/* Pop bp from the previous stack */
context->Ebp = (context->Ebp & ~0xffff) | *(WORD *)MapSL(pData->old_ss_sp);
pData->old_ss_sp += sizeof(WORD);
/* Switch back to the old stack */
NtCurrentTeb()->cur_stack = pData->old_ss_sp - sizeof(STACK16FRAME);
context->SegSs = SELECTOROF(pData->old_ss_sp);
context->Esp = OFFSETOF(pData->old_ss_sp) - sizeof(DWORD); /*ret addr*/
pData->old_ss_sp = 0;
/* Build a stack frame for the return */
newFrame = CURRENT_STACK16;
newFrame->frame32 = oldFrame->frame32;
newFrame->module_cs = oldFrame->module_cs;
newFrame->callfrom_ip = oldFrame->callfrom_ip;
newFrame->entry_ip = oldFrame->entry_ip;
}
/***********************************************************************
* GetTaskQueueDS (KERNEL.118)
*/
void WINAPI GetTaskQueueDS16(void)
{
CURRENT_STACK16->ds = GlobalHandleToSel16( GetTaskQueue16(0) );
}
/***********************************************************************
* GetTaskQueueES (KERNEL.119)
*/
void WINAPI GetTaskQueueES16(void)
{
CURRENT_STACK16->es = GlobalHandleToSel16( GetTaskQueue16(0) );
}
/***********************************************************************
* GetCurrentTask (KERNEL32.@)
*/
HTASK16 WINAPI GetCurrentTask(void)
{
return NtCurrentTeb()->htask16;
}
/***********************************************************************
* GetCurrentTask (KERNEL.36)
*/
DWORD WINAPI WIN16_GetCurrentTask(void)
{
/* This is the version used by relay code; the first task is */
/* returned in the high word of the result */
return MAKELONG( GetCurrentTask(), hFirstTask );
}
/***********************************************************************
* GetCurrentPDB (KERNEL.37)
*
* UNDOC: returns PSP of KERNEL in high word
*/
DWORD WINAPI GetCurrentPDB16(void)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
return MAKELONG(pTask->hPDB, 0); /* FIXME */
}
/***********************************************************************
* GetCurPID (KERNEL.157)
*/
DWORD WINAPI GetCurPID16( DWORD unused )
{
return 0;
}
/***********************************************************************
* GetInstanceData (KERNEL.54)
*/
INT16 WINAPI GetInstanceData16( HINSTANCE16 instance, WORD buffer, INT16 len )
{
char *ptr = (char *)GlobalLock16( instance );
if (!ptr || !len) return 0;
if ((int)buffer + len >= 0x10000) len = 0x10000 - buffer;
memcpy( (char *)GlobalLock16(CURRENT_DS) + buffer, ptr + buffer, len );
return len;
}
/***********************************************************************
* GetExeVersion (KERNEL.105)
*/
WORD WINAPI GetExeVersion16(void)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
return pTask->version;
}
/***********************************************************************
* SetErrorMode (KERNEL.107)
*/
UINT16 WINAPI SetErrorMode16( UINT16 mode )
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
pTask->error_mode = mode;
return SetErrorMode( mode );
}
/***********************************************************************
* GetNumTasks (KERNEL.152)
*/
UINT16 WINAPI GetNumTasks16(void)
{
return nTaskCount;
}
/***********************************************************************
* GetTaskDS (KERNEL.155)
*
* Note: this function apparently returns a DWORD with LOWORD == HIWORD.
* I don't think we need to bother with this.
*/
HINSTANCE16 WINAPI GetTaskDS16(void)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
return GlobalHandleToSel16(pTask->hInstance);
}
/***********************************************************************
* GetDummyModuleHandleDS (KERNEL.602)
*/
WORD WINAPI GetDummyModuleHandleDS16(void)
{
TDB *pTask;
WORD selector;
if (!(pTask = TASK_GetCurrent())) return 0;
if (!(pTask->flags & TDBF_WIN32)) return 0;
selector = GlobalHandleToSel16( pTask->hModule );
CURRENT_DS = selector;
return selector;
}
/***********************************************************************
* IsTask (KERNEL.320)
*/
BOOL16 WINAPI IsTask16( HTASK16 hTask )
{
TDB *pTask;
if (!(pTask = TASK_GetPtr( hTask ))) return FALSE;
if (GlobalSize16( hTask ) < sizeof(TDB)) return FALSE;
return (pTask->magic == TDB_MAGIC);
}
/***********************************************************************
* IsWinOldApTask (KERNEL.158)
*/
BOOL16 WINAPI IsWinOldApTask16( HTASK16 hTask )
{
/* should return bit 0 of byte 0x48 in PSP */
return FALSE;
}
/***********************************************************************
* SetTaskSignalProc (KERNEL.38)
*/
FARPROC16 WINAPI SetTaskSignalProc( HTASK16 hTask, FARPROC16 proc )
{
TDB *pTask;
FARPROC16 oldProc;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return NULL;
oldProc = pTask->userhandler;
pTask->userhandler = proc;
return oldProc;
}
/***********************************************************************
* SetSigHandler (KERNEL.140)
*/
WORD WINAPI SetSigHandler16( FARPROC16 newhandler, FARPROC16* oldhandler,
UINT16 *oldmode, UINT16 newmode, UINT16 flag )
{
FIXME("(%p,%p,%p,%d,%d), unimplemented.\n",
newhandler,oldhandler,oldmode,newmode,flag );
if (flag != 1) return 0;
if (!newmode) newhandler = NULL; /* Default handler */
if (newmode != 4)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
if (oldmode) *oldmode = pTask->signal_flags;
pTask->signal_flags = newmode;
if (oldhandler) *oldhandler = pTask->sighandler;
pTask->sighandler = newhandler;
}
return 0;
}
/***********************************************************************
* GlobalNotify (KERNEL.154)
*
* Note that GlobalNotify does _not_ return the old NotifyProc
* -- contrary to LocalNotify !!
*/
VOID WINAPI GlobalNotify16( FARPROC16 proc )
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return;
pTask->discardhandler = proc;
}
/***********************************************************************
* GetExePtrHelper
*/
static inline HMODULE16 GetExePtrHelper( HANDLE16 handle, HTASK16 *hTask )
{
char *ptr;
HANDLE16 owner;
/* Check for module handle */
if (!(ptr = GlobalLock16( handle ))) return 0;
if (((NE_MODULE *)ptr)->magic == IMAGE_OS2_SIGNATURE) return handle;
/* Search for this handle inside all tasks */
*hTask = hFirstTask;
while (*hTask)
{
TDB *pTask = TASK_GetPtr( *hTask );
if ((*hTask == handle) ||
(pTask->hInstance == handle) ||
(pTask->hQueue == handle) ||
(pTask->hPDB == handle)) return pTask->hModule;
*hTask = pTask->hNext;
}
/* Check the owner for module handle */
owner = FarGetOwner16( handle );
if (!(ptr = GlobalLock16( owner ))) return 0;
if (((NE_MODULE *)ptr)->magic == IMAGE_OS2_SIGNATURE) return owner;
/* Search for the owner inside all tasks */
*hTask = hFirstTask;
while (*hTask)
{
TDB *pTask = TASK_GetPtr( *hTask );
if ((*hTask == owner) ||
(pTask->hInstance == owner) ||
(pTask->hQueue == owner) ||
(pTask->hPDB == owner)) return pTask->hModule;
*hTask = pTask->hNext;
}
return 0;
}
/***********************************************************************
* GetExePtr (KERNEL.133)
*/
HMODULE16 WINAPI WIN16_GetExePtr( HANDLE16 handle )
{
HTASK16 hTask = 0;
HMODULE16 hModule = GetExePtrHelper( handle, &hTask );
STACK16FRAME *frame = CURRENT_STACK16;
frame->ecx = hModule;
if (hTask) frame->es = hTask;
return hModule;
}
/***********************************************************************
* K228 (KERNEL.228)
*/
HMODULE16 WINAPI GetExePtr( HANDLE16 handle )
{
HTASK16 hTask = 0;
return GetExePtrHelper( handle, &hTask );
}
/***********************************************************************
* TaskFirst (TOOLHELP.63)
*/
BOOL16 WINAPI TaskFirst16( TASKENTRY *lpte )
{
lpte->hNext = hFirstTask;
return TaskNext16( lpte );
}
/***********************************************************************
* TaskNext (TOOLHELP.64)
*/
BOOL16 WINAPI TaskNext16( TASKENTRY *lpte )
{
TDB *pTask;
INSTANCEDATA *pInstData;
TRACE_(toolhelp)("(%p): task=%04x\n", lpte, lpte->hNext );
if (!lpte->hNext) return FALSE;
/* make sure that task and hInstance are valid (skip initial Wine task !) */
while (1) {
pTask = TASK_GetPtr( lpte->hNext );
if (!pTask || pTask->magic != TDB_MAGIC) return FALSE;
if (pTask->hInstance)
break;
lpte->hNext = pTask->hNext;
}
pInstData = MapSL( MAKESEGPTR( GlobalHandleToSel16(pTask->hInstance), 0 ) );
lpte->hTask = lpte->hNext;
lpte->hTaskParent = pTask->hParent;
lpte->hInst = pTask->hInstance;
lpte->hModule = pTask->hModule;
lpte->wSS = SELECTOROF( pTask->teb->cur_stack );
lpte->wSP = OFFSETOF( pTask->teb->cur_stack );
lpte->wStackTop = pInstData->stacktop;
lpte->wStackMinimum = pInstData->stackmin;
lpte->wStackBottom = pInstData->stackbottom;
lpte->wcEvents = pTask->nEvents;
lpte->hQueue = pTask->hQueue;
lstrcpynA( lpte->szModule, pTask->module_name, sizeof(lpte->szModule) );
lpte->wPSPOffset = 0x100; /*??*/
lpte->hNext = pTask->hNext;
return TRUE;
}
/***********************************************************************
* TaskFindHandle (TOOLHELP.65)
*/
BOOL16 WINAPI TaskFindHandle16( TASKENTRY *lpte, HTASK16 hTask )
{
lpte->hNext = hTask;
return TaskNext16( lpte );
}
typedef INT (WINAPI *MessageBoxA_funcptr)(HWND hWnd, LPCSTR text, LPCSTR title, UINT type);
/**************************************************************************
* FatalAppExit (KERNEL.137)
*/
void WINAPI FatalAppExit16( UINT16 action, LPCSTR str )
{
TDB *pTask = TASK_GetCurrent();
if (!pTask || !(pTask->error_mode & SEM_NOGPFAULTERRORBOX))
{
HMODULE mod = GetModuleHandleA( "user32.dll" );
if (mod)
{
MessageBoxA_funcptr pMessageBoxA = (MessageBoxA_funcptr)GetProcAddress( mod, "MessageBoxA" );
if (pMessageBoxA)
{
pMessageBoxA( 0, str, NULL, MB_SYSTEMMODAL | MB_OK );
goto done;
}
}
ERR( "%s\n", debugstr_a(str) );
}
done:
ExitThread(0xff);
}
/***********************************************************************
* TerminateApp (TOOLHELP.77)
*
* See "Undocumented Windows".
*/
void WINAPI TerminateApp16(HTASK16 hTask, WORD wFlags)
{
if (hTask && hTask != GetCurrentTask())
{
FIXME("cannot terminate task %x\n", hTask);
return;
}
if (wFlags & NO_UAE_BOX)
{
UINT16 old_mode;
old_mode = SetErrorMode16(0);
SetErrorMode16(old_mode|SEM_NOGPFAULTERRORBOX);
}
FatalAppExit16( 0, NULL );
/* hmm, we're still alive ?? */
/* check undocumented flag */
if (!(wFlags & 0x8000))
TASK_CallTaskSignalProc( USIG16_TERMINATION, hTask );
/* UndocWin says to call int 0x21/0x4c exit=0xff here,
but let's just call ExitThread */
ExitThread(0xff);
}
/***********************************************************************
* GetAppCompatFlags (KERNEL.354)
*/
DWORD WINAPI GetAppCompatFlags16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask=TASK_GetPtr( hTask ))) return 0;
if (GlobalSize16(hTask) < sizeof(TDB)) return 0;
return pTask->compat_flags;
}
dlls/kernel/thunk.c
View file @ 5fbb446c
......@@ -1589,7 +1589,7 @@ FARPROC THUNK_AllocLSThunklet( SEGPTR target, DWORD relay,
THUNKLET_TYPE_LS );
if (!thunk)
{
TDB *pTask = TASK_GetPtr( owner );
TDB *pTask = GlobalLock16( owner );
if (!ThunkletHeap) THUNK_Init();
if ( !(thunk = HeapAlloc( ThunkletHeap, 0, sizeof(THUNKLET) )) )
......@@ -1623,7 +1623,7 @@ SEGPTR THUNK_AllocSLThunklet( FARPROC target, DWORD relay,
THUNKLET_TYPE_SL );
if (!thunk)
{
TDB *pTask = TASK_GetPtr( owner );
TDB *pTask = GlobalLock16( owner );
if (!ThunkletHeap) THUNK_Init();
if ( !(thunk = HeapAlloc( ThunkletHeap, 0, sizeof(THUNKLET) )) )
......
dlls/kernel/wowthunk.c
View file @ 5fbb446c
......@@ -235,7 +235,7 @@ HANDLE WINAPI K32WOWHandle32( WORD handle, WOW_HANDLE_TYPE type )
return (HANDLE)(ULONG_PTR)handle;
case WOW_TYPE_HTASK:
return (HANDLE)TASK_GetPtr(handle)->teb->tid;
return (HANDLE)((TDB *)GlobalLock16(handle))->teb->tid;
case WOW_TYPE_FULLHWND:
FIXME( "conversion of full window handles not supported yet\n" );
......@@ -276,7 +276,7 @@ WORD WINAPI K32WOWHandle16( HANDLE handle, WOW_HANDLE_TYPE type )
return LOWORD(handle);
case WOW_TYPE_HTASK:
return THREAD_IdToTEB((DWORD)handle)->htask16;
return TASK_GetTaskFromThread( (DWORD)handle );
default:
ERR( "handle %p of unknown type %d\n", handle, type );
......
dlls/ntdll/Makefile.in
View file @ 5fbb446c
......@@ -21,7 +21,6 @@ C_SRCS = \
$(TOPOBJDIR)/loader/pe_image.c \
$(TOPOBJDIR)/loader/task.c \
$(TOPOBJDIR)/loader/ne/module.c \
$(TOPOBJDIR)/loader/ne/segment.c \
$(TOPOBJDIR)/memory/codepage.c \
$(TOPOBJDIR)/memory/environ.c \
$(TOPOBJDIR)/memory/global.c \
......@@ -89,7 +88,7 @@ ASM_SRCS = \
relay16.s \
relay32.s
EXTRA_OBJS = $(ASM_SRCS:.s=.o) $(MODULE).glue.o
EXTRA_OBJS = $(ASM_SRCS:.s=.o)
SUBDIRS = tests
......
files/drive.c
View file @ 5fbb446c
......@@ -428,7 +428,7 @@ int DRIVE_IsValid( int drive )
*/
int DRIVE_GetCurrentDrive(void)
{
TDB *pTask = TASK_GetCurrent();
TDB *pTask = GlobalLock16(GetCurrentTask());
if (pTask && (pTask->curdrive & 0x80)) return pTask->curdrive & ~0x80;
return DRIVE_CurDrive;
}
......@@ -439,7 +439,7 @@ int DRIVE_GetCurrentDrive(void)
*/
int DRIVE_SetCurrentDrive( int drive )
{
TDB *pTask = TASK_GetCurrent();
TDB *pTask = GlobalLock16(GetCurrentTask());
if (!DRIVE_IsValid( drive ))
{
SetLastError( ERROR_INVALID_DRIVE );
......@@ -619,7 +619,7 @@ const char * DRIVE_GetRoot( int drive )
*/
LPCWSTR DRIVE_GetDosCwd( int drive )
{
TDB *pTask = TASK_GetCurrent();
TDB *pTask = GlobalLock16(GetCurrentTask());
if (!DRIVE_IsValid( drive )) return NULL;
/* Check if we need to change the directory to the new task. */
......@@ -643,7 +643,7 @@ LPCWSTR DRIVE_GetDosCwd( int drive )
*/
const char * DRIVE_GetUnixCwd( int drive )
{
TDB *pTask = TASK_GetCurrent();
TDB *pTask = GlobalLock16(GetCurrentTask());
if (!DRIVE_IsValid( drive )) return NULL;
/* Check if we need to change the directory to the new task. */
......@@ -1234,7 +1234,7 @@ int DRIVE_Chdir( int drive, LPCWSTR path )
WCHAR buffer[MAX_PATHNAME_LEN];
LPSTR unix_cwd;
BY_HANDLE_FILE_INFORMATION info;
TDB *pTask = TASK_GetCurrent();
TDB *pTask = GlobalLock16(GetCurrentTask());
buffer[0] = 'A' + drive;
buffer[1] = ':';
......
include/task.h
View file @ 5fbb446c
......@@ -163,10 +163,8 @@ extern void TASK_CreateMainTask(void);
extern HTASK16 TASK_SpawnTask( struct _NE_MODULE *pModule, WORD cmdShow,
LPCSTR cmdline, BYTE len, HANDLE *hThread );
extern void TASK_ExitTask(void);
extern HTASK16 TASK_GetNextTask( HTASK16 hTask );
extern TDB *TASK_GetPtr( HTASK16 hTask );
extern HTASK16 TASK_GetTaskFromThread( DWORD thread );
extern TDB *TASK_GetCurrent(void);
extern void TASK_InstallTHHook( THHOOK *pNewThook );
extern void TASK_CallTaskSignalProc( UINT16 uCode, HANDLE16 hTaskOrModule );
#endif /* __WINE_TASK_H */
include/thread.h
View file @ 5fbb446c
......@@ -149,7 +149,6 @@ typedef struct _TEB
/* scheduler/thread.c */
extern void THREAD_Init(void);
extern TEB *THREAD_InitStack( TEB *teb, DWORD stack_size );
extern TEB *THREAD_IdToTEB( DWORD id );
/* scheduler/sysdeps.c */
extern int SYSDEPS_SpawnThread( void (*func)(TEB *), TEB *teb );
......
loader/module.c
View file @ 5fbb446c
......@@ -782,27 +782,6 @@ VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
}
/***********************************************************************
* PrivateLoadLibrary (KERNEL32.@)
*
* FIXME: rough guesswork, don't know what "Private" means
*/
HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
{
return LoadLibrary16(libname);
}
/***********************************************************************
* PrivateFreeLibrary (KERNEL32.@)
*
* FIXME: rough guesswork, don't know what "Private" means
*/
void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
{
FreeLibrary16(handle);
}
/***********************************************************************
* GetProcAddress (KERNEL32.@)
*/
FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
......
loader/ne/module.c
View file @ 5fbb446c
......@@ -59,41 +59,8 @@ typedef struct _GPHANDLERDEF
} GPHANDLERDEF;
#include "poppack.h"
/*
* Segment table entry
*/
struct ne_segment_table_entry_s
{
WORD seg_data_offset; /* Sector offset of segment data */
WORD seg_data_length; /* Length of segment data */
WORD seg_flags; /* Flags associated with this segment */
WORD min_alloc; /* Minimum allocation size for this */
};
#define hFirstModule (pThhook->hExeHead)
static NE_MODULE *pCachedModule = 0; /* Module cached by NE_OpenFile */
static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
/* ### start build ### */
extern WORD CALLBACK NE_CallTo16_word_w(FARPROC16,WORD);
/* ### stop build ### */
static WINE_EXCEPTION_FILTER(page_fault)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ||
GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
/***********************************************************************
* NE_GetPtr
......@@ -104,160 +71,6 @@ NE_MODULE *NE_GetPtr( HMODULE16 hModule )
}
/***********************************************************************
* NE_DumpModule
*/
void NE_DumpModule( HMODULE16 hModule )
{
int i, ordinal;
SEGTABLEENTRY *pSeg;
BYTE *pstr;
WORD *pword;
NE_MODULE *pModule;
ET_BUNDLE *bundle;
ET_ENTRY *entry;
if (!(pModule = NE_GetPtr( hModule )))
{
MESSAGE( "**** %04x is not a module handle\n", hModule );
return;
}
/* Dump the module info */
DPRINTF( "---\n" );
DPRINTF( "Module %04x:\n", hModule );
DPRINTF( "count=%d flags=%04x heap=%d stack=%d\n",
pModule->count, pModule->flags,
pModule->heap_size, pModule->stack_size );
DPRINTF( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup,
pModule->seg_count, pModule->modref_count );
DPRINTF( "os_flags=%d swap_area=%d version=%04x\n",
pModule->os_flags, pModule->min_swap_area,
pModule->expected_version );
if (pModule->flags & NE_FFLAGS_WIN32)
DPRINTF( "PE module=%p\n", pModule->module32 );
/* Dump the file info */
DPRINTF( "---\n" );
DPRINTF( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
/* Dump the segment table */
DPRINTF( "---\n" );
DPRINTF( "Segment table:\n" );
pSeg = NE_SEG_TABLE( pModule );
for (i = 0; i < pModule->seg_count; i++, pSeg++)
DPRINTF( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
pSeg->minsize, pSeg->hSeg );
/* Dump the resource table */
DPRINTF( "---\n" );
DPRINTF( "Resource table:\n" );
if (pModule->res_table)
{
pword = (WORD *)((BYTE *)pModule + pModule->res_table);
DPRINTF( "Alignment: %d\n", *pword++ );
while (*pword)
{
NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword;
NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1);
DPRINTF( "id=%04x count=%d\n", ptr->type_id, ptr->count );
for (i = 0; i < ptr->count; i++, pname++)
DPRINTF( "offset=%d len=%d id=%04x\n",
pname->offset, pname->length, pname->id );
pword = (WORD *)pname;
}
}
else DPRINTF( "None\n" );
/* Dump the resident name table */
DPRINTF( "---\n" );
DPRINTF( "Resident-name table:\n" );
pstr = (char *)pModule + pModule->name_table;
while (*pstr)
{
DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
*(WORD *)(pstr + *pstr + 1) );
pstr += *pstr + 1 + sizeof(WORD);
}
/* Dump the module reference table */
DPRINTF( "---\n" );
DPRINTF( "Module ref table:\n" );
if (pModule->modref_table)
{
pword = (WORD *)((BYTE *)pModule + pModule->modref_table);
for (i = 0; i < pModule->modref_count; i++, pword++)
{
char name[10];
GetModuleName16( *pword, name, sizeof(name) );
DPRINTF( "%d: %04x -> '%s'\n", i, *pword, name );
}
}
else DPRINTF( "None\n" );
/* Dump the entry table */
DPRINTF( "---\n" );
DPRINTF( "Entry table:\n" );
bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->entry_table);
do {
entry = (ET_ENTRY *)((BYTE *)bundle+6);
DPRINTF( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type);
ordinal = bundle->first;
while (ordinal < bundle->last)
{
if (entry->type == 0xff)
DPRINTF("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs);
else
DPRINTF("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs);
entry++;
}
} while ( (bundle->next)
&& (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) );
/* Dump the non-resident names table */
DPRINTF( "---\n" );
DPRINTF( "Non-resident names table:\n" );
if (pModule->nrname_handle)
{
pstr = (char *)GlobalLock16( pModule->nrname_handle );
while (*pstr)
{
DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
*(WORD *)(pstr + *pstr + 1) );
pstr += *pstr + 1 + sizeof(WORD);
}
}
DPRINTF( "\n" );
}
/***********************************************************************
* NE_WalkModules
*
* Walk the module list and print the modules.
*/
void NE_WalkModules(void)
{
HMODULE16 hModule = hFirstModule;
MESSAGE( "Module Flags Name\n" );
while (hModule)
{
NE_MODULE *pModule = NE_GetPtr( hModule );
if (!pModule)
{
MESSAGE( "Bad module %04x in list\n", hModule );
return;
}
MESSAGE( " %04x %04x %.*s\n", hModule, pModule->flags,
*((char *)pModule + pModule->name_table),
(char *)pModule + pModule->name_table + 1 );
hModule = pModule->next;
}
}
/**********************************************************************
* NE_RegisterModule
*/
......@@ -358,18 +171,6 @@ WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
/***********************************************************************
* EntryAddrProc (KERNEL.667) Wine-specific export
*
* Return the entry point for a given ordinal.
*/
FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal )
{
FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE );
CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */
return ret;
}
/***********************************************************************
* NE_GetEntryPoint
*/
FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
......@@ -417,1394 +218,178 @@ FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop )
}
/***********************************************************************
* NE_SetEntryPoint
/**********************************************************************
* GetModuleFileName (KERNEL.49)
*
* Comment: see GetModuleFileNameA
*
* Change the value of an entry point. Use with caution!
* It can only change the offset value, not the selector.
* Even if invoked by second instance of a program,
* it still returns path of first one.
*/
BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
INT16 nSize )
{
NE_MODULE *pModule;
ET_ENTRY *entry;
ET_BUNDLE *bundle;
int i;
if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
assert( !(pModule->flags & NE_FFLAGS_WIN32) );
bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
{
bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
if (!(bundle->next))
return 0;
}
entry = (ET_ENTRY *)((BYTE *)bundle+6);
for (i=0; i < (ordinal - bundle->first - 1); i++)
entry++;
/* Win95 does not query hModule if set to 0 !
* Is this wrong or maybe Win3.1 only ? */
if (!hModule) hModule = GetCurrentTask();
memcpy( &entry->offs, &offset, sizeof(WORD) );
return TRUE;
if (!(pModule = NE_GetPtr( hModule ))) return 0;
lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
if (pModule->expected_version >= 0x400)
GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
TRACE("%04x -> '%s'\n", hModule, lpFileName );
return strlen(lpFileName);
}
/***********************************************************************
* NE_OpenFile
* GetModuleHandle16 (KERNEL32.@)
*/
HANDLE NE_OpenFile( NE_MODULE *pModule )
HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
{
HANDLE handle;
char *name;
TRACE("(%p)\n", pModule );
/* mjm - removed module caching because it keeps open file handles
thus preventing CDROMs from being ejected */
name = NE_MODULE_NAME( pModule );
if ((handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE)
MESSAGE( "Can't open file '%s' for module %04x\n", name, pModule->self );
TRACE("opened '%s' -> %p\n", name, handle);
return handle;
}
HMODULE16 hModule = hFirstModule;
LPSTR s;
BYTE len, *name_table;
char tmpstr[MAX_PATH];
NE_MODULE *pModule;
/* wrapper for SetFilePointer and ReadFile */
static BOOL read_data( HANDLE handle, LONG offset, void *buffer, DWORD size )
{
DWORD result;
TRACE("(%s)\n", name);
if (SetFilePointer( handle, offset, NULL, SEEK_SET ) == INVALID_SET_FILE_POINTER) return FALSE;
if (!ReadFile( handle, buffer, size, &result, NULL )) return FALSE;
return (result == size);
}
if (!HIWORD(name))
return GetExePtr(LOWORD(name));
/***********************************************************************
* NE_LoadExeHeader
*/
static HMODULE16 NE_LoadExeHeader( HANDLE handle, LPCSTR path )
{
IMAGE_DOS_HEADER mz_header;
IMAGE_OS2_HEADER ne_header;
int size;
HMODULE16 hModule;
NE_MODULE *pModule;
BYTE *pData, *pTempEntryTable;
char *buffer, *fastload = NULL;
int fastload_offset = 0, fastload_length = 0;
ET_ENTRY *entry;
ET_BUNDLE *bundle, *oldbundle;
OFSTRUCT *ofs;
/* Read a block from either the file or the fast-load area. */
#define READ(offset,size,buffer) \
((fastload && ((offset) >= fastload_offset) && \
((offset)+(size) <= fastload_offset+fastload_length)) ? \
(memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \
read_data( handle, (offset), (buffer), (size)))
if (!read_data( handle, 0, &mz_header, sizeof(mz_header)) ||
(mz_header.e_magic != IMAGE_DOS_SIGNATURE))
return (HMODULE16)11; /* invalid exe */
if (!read_data( handle, mz_header.e_lfanew, &ne_header, sizeof(ne_header) ))
return (HMODULE16)11; /* invalid exe */
if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */
if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) {
MESSAGE("Sorry, this is an OS/2 linear executable (LX) file !\n");
return (HMODULE16)12;
}
if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */
/* We now have a valid NE header */
size = sizeof(NE_MODULE) +
/* segment table */
ne_header.ne_cseg * sizeof(SEGTABLEENTRY) +
/* resource table */
ne_header.ne_restab - ne_header.ne_rsrctab +
/* resident names table */
ne_header.ne_modtab - ne_header.ne_restab +
/* module ref table */
ne_header.ne_cmod * sizeof(WORD) +
/* imported names table */
ne_header.ne_enttab - ne_header.ne_imptab +
/* entry table length */
ne_header.ne_cbenttab +
/* entry table extra conversion space */
sizeof(ET_BUNDLE) +
2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6) +
/* loaded file info */
sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
if (!hModule) return (HMODULE16)11; /* invalid exe */
FarSetOwner16( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
memcpy( pModule, &ne_header, sizeof(ne_header) );
pModule->count = 0;
/* check *programs* for default minimal stack size */
if ( (!(pModule->flags & NE_FFLAGS_LIBMODULE))
&& (pModule->stack_size < 0x1400) )
pModule->stack_size = 0x1400;
pModule->module32 = 0;
pModule->self = hModule;
pModule->self_loading_sel = 0;
pData = (BYTE *)(pModule + 1);
/* Clear internal Wine flags in case they are set in the EXE file */
pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
/* Read the fast-load area */
if (ne_header.ne_flagsothers & NE_AFLAGS_FASTLOAD)
{
fastload_offset=ne_header.ne_pretthunks << ne_header.ne_align;
fastload_length=ne_header.ne_psegrefbytes << ne_header.ne_align;
TRACE("Using fast-load area offset=%x len=%d\n",
fastload_offset, fastload_length );
if ((fastload = HeapAlloc( GetProcessHeap(), 0, fastload_length )) != NULL)
{
if (!read_data( handle, fastload_offset, fastload, fastload_length))
{
HeapFree( GetProcessHeap(), 0, fastload );
WARN("Error reading fast-load area!\n");
fastload = NULL;
}
}
}
len = strlen(name);
if (!len)
return 0;
/* Get the segment table */
lstrcpynA(tmpstr, name, sizeof(tmpstr));
pModule->seg_table = pData - (BYTE *)pModule;
buffer = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cseg *
sizeof(struct ne_segment_table_entry_s));
if (buffer)
/* If 'name' matches exactly the module name of a module:
* Return its handle.
*/
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
int i;
struct ne_segment_table_entry_s *pSeg;
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
if (!READ( mz_header.e_lfanew + ne_header.ne_segtab,
ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s),
buffer ))
{
HeapFree( GetProcessHeap(), 0, buffer );
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pSeg = (struct ne_segment_table_entry_s *)buffer;
for (i = ne_header.ne_cseg; i > 0; i--, pSeg++)
{
memcpy( pData, pSeg, sizeof(*pSeg) );
pData += sizeof(SEGTABLEENTRY);
}
HeapFree( GetProcessHeap(), 0, buffer );
}
else
{
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
name_table = (BYTE *)pModule + pModule->name_table;
if ((*name_table == len) && !strncmp(name, name_table+1, len))
return hModule;
}
/* Get the resource table */
/* If uppercased 'name' matches exactly the module name of a module:
* Return its handle
*/
for (s = tmpstr; *s; s++) *s = FILE_toupper(*s);
if (ne_header.ne_rsrctab < ne_header.ne_restab)
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
pModule->res_table = pData - (BYTE *)pModule;
if (!READ(mz_header.e_lfanew + ne_header.ne_rsrctab,
ne_header.ne_restab - ne_header.ne_rsrctab,
pData ))
return (HMODULE16)11; /* invalid exe */
pData += ne_header.ne_restab - ne_header.ne_rsrctab;
NE_InitResourceHandler( pModule );
}
else pModule->res_table = 0; /* No resource table */
/* Get the resident names table */
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
pModule->name_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_restab,
ne_header.ne_modtab - ne_header.ne_restab,
pData ))
{
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
name_table = (BYTE *)pModule + pModule->name_table;
/* FIXME: the strncasecmp is WRONG. It should not be case insensitive,
* but case sensitive! (Unfortunately Winword 6 and subdlls have
* lowercased module names, but try to load uppercase DLLs, so this
* 'i' compare is just a quickfix until the loader handles that
* correctly. -MM 990705
*/
if ((*name_table == len) && !FILE_strncasecmp(tmpstr, name_table+1, len))
return hModule;
}
pData += ne_header.ne_modtab - ne_header.ne_restab;
/* Get the module references table */
/* If the base filename of 'name' matches the base filename of the module
* filename of some module (case-insensitive compare):
* Return its handle.
*/
if (ne_header.ne_cmod > 0)
/* basename: search backwards in passed name to \ / or : */
s = tmpstr + strlen(tmpstr);
while (s > tmpstr)
{
pModule->modref_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_modtab,
ne_header.ne_cmod * sizeof(WORD),
pData ))
{
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.ne_cmod * sizeof(WORD);
if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
break;
s--;
}
else pModule->modref_table = 0; /* No module references */
/* Get the imported names table */
pModule->import_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_imptab,
ne_header.ne_enttab - ne_header.ne_imptab,
pData ))
/* search this in loaded filename list */
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
pData += ne_header.ne_enttab - ne_header.ne_imptab;
/* Load entry table, convert it to the optimized version used by Windows */
char *loadedfn;
OFSTRUCT *ofs;
if ((pTempEntryTable = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cbenttab)) != NULL)
{
BYTE nr_entries, type, *s;
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (!pModule->fileinfo) continue;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
TRACE("Converting entry table.\n");
pModule->entry_table = pData - (BYTE *)pModule;
if (!READ( mz_header.e_lfanew + ne_header.ne_enttab,
ne_header.ne_cbenttab, pTempEntryTable ))
{
HeapFree( GetProcessHeap(), 0, pTempEntryTable );
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
/* basename: search backwards in pathname to \ / or : */
while (loadedfn > (char*)ofs->szPathName)
{
if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
break;
loadedfn--;
}
/* case insensitive compare ... */
if (!FILE_strcasecmp(loadedfn, s))
return hModule;
}
return 0;
}
s = pTempEntryTable;
TRACE("entry table: offs %04x, len %04x, entries %d\n", ne_header.ne_enttab, ne_header.ne_cbenttab, *s);
/***********************************************************************
* GetProcAddress (KERNEL.50)
*/
FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
{
WORD ordinal;
FARPROC16 ret;
bundle = (ET_BUNDLE *)pData;
TRACE("first bundle: %p\n", bundle);
memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
entry = (ET_ENTRY *)((BYTE *)bundle+6);
if (!hModule) hModule = GetCurrentTask();
hModule = GetExePtr( hModule );
while ((nr_entries = *s++))
{
if ((type = *s++))
{
bundle->last += nr_entries;
if (type == 0xff)
while (nr_entries--)
{
entry->type = type;
entry->flags = *s++;
s += 2;
entry->segnum = *s++;
entry->offs = *(WORD *)s; s += 2;
/*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
entry++;
}
else
while (nr_entries--)
{
entry->type = type;
entry->flags = *s++;
entry->segnum = type;
entry->offs = *(WORD *)s; s += 2;
/*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
entry++;
}
}
else
{
if (bundle->first == bundle->last)
{
bundle->first += nr_entries;
bundle->last += nr_entries;
}
else
{
oldbundle = bundle;
oldbundle->next = ((int)entry - (int)pModule);
bundle = (ET_BUNDLE *)entry;
TRACE("new bundle: %p\n", bundle);
bundle->first = bundle->last =
oldbundle->last + nr_entries;
bundle->next = 0;
(BYTE *)entry += sizeof(ET_BUNDLE);
}
}
}
HeapFree( GetProcessHeap(), 0, pTempEntryTable );
}
else
if (HIWORD(name) != 0)
{
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
ordinal = NE_GetOrdinal( hModule, name );
TRACE("%04x '%s'\n", hModule, name );
}
pData += ne_header.ne_cbenttab + sizeof(ET_BUNDLE) +
2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6);
if ((DWORD)entry > (DWORD)pData)
ERR("converted entry table bigger than reserved space !!!\nentry: %p, pData: %p. Please report !\n", entry, pData);
/* Store the filename information */
pModule->fileinfo = pData - (BYTE *)pModule;
size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
ofs = (OFSTRUCT *)pData;
ofs->cBytes = size - 1;
ofs->fFixedDisk = 1;
strcpy( ofs->szPathName, path );
pData += size;
/* Free the fast-load area */
#undef READ
if (fastload)
HeapFree( GetProcessHeap(), 0, fastload );
/* Get the non-resident names table */
if (ne_header.ne_cbnrestab)
else
{
pModule->nrname_handle = GlobalAlloc16( 0, ne_header.ne_cbnrestab );
if (!pModule->nrname_handle)
{
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
FarSetOwner16( pModule->nrname_handle, hModule );
buffer = GlobalLock16( pModule->nrname_handle );
if (!read_data( handle, ne_header.ne_nrestab, buffer, ne_header.ne_cbnrestab ))
{
GlobalFree16( pModule->nrname_handle );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
ordinal = LOWORD(name);
TRACE("%04x %04x\n", hModule, ordinal );
}
else pModule->nrname_handle = 0;
/* Allocate a segment for the implicitly-loaded DLLs */
if (!ordinal) return (FARPROC16)0;
if (pModule->modref_count)
{
pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT,
(pModule->modref_count+1)*sizeof(HMODULE16) );
if (!pModule->dlls_to_init)
{
if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
GlobalFree16( hModule );
return (HMODULE16)11; /* invalid exe */
}
FarSetOwner16( pModule->dlls_to_init, hModule );
}
else pModule->dlls_to_init = 0;
ret = NE_GetEntryPoint( hModule, ordinal );
NE_RegisterModule( pModule );
SNOOP16_RegisterDLL(pModule,path);
return hModule;
TRACE("returning %08x\n", (UINT)ret );
return ret;
}
/***********************************************************************
* NE_LoadDLLs
*
* Load all DLLs implicitly linked to a module.
/***************************************************************************
* HasGPHandler (KERNEL.338)
*/
static BOOL NE_LoadDLLs( NE_MODULE *pModule )
SEGPTR WINAPI HasGPHandler16( SEGPTR address )
{
int i;
WORD *pModRef = (WORD *)((char *)pModule + pModule->modref_table);
WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init );
HMODULE16 hModule;
int gpOrdinal;
SEGPTR gpPtr;
GPHANDLERDEF *gpHandler;
for (i = 0; i < pModule->modref_count; i++, pModRef++)
if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
&& (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
&& (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
&& !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
&& (gpHandler = MapSL( gpPtr )) != NULL )
{
char buffer[260], *p;
BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef;
memcpy( buffer, pstr + 1, *pstr );
*(buffer + *pstr) = 0; /* terminate it */
TRACE("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;
/* Append .DLL to name if no extension present */
if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
strcat( buffer, ".DLL" );
if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
{
/* FIXME: cleanup what was done */
MESSAGE( "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;
pOldDLL = NE_GetPtr( *pModRef );
if (pOldDLL) pOldDLL->count++;
}
}
return TRUE;
}
/**********************************************************************
* NE_DoLoadModule
*
* Load first instance of NE module from file.
*
* pModule must point to a module structure prepared by NE_LoadExeHeader.
* This routine must never be called twice on a module.
*
*/
static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
{
/* Allocate the segments for this module */
if (!NE_CreateAllSegments( pModule ))
return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
/* Load the referenced DLLs */
if (!NE_LoadDLLs( pModule ))
return ERROR_FILE_NOT_FOUND; /* 2 */
/* Load the segments */
NE_LoadAllSegments( 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;
return NE_GetInstance( pModule );
}
/**********************************************************************
* NE_LoadModule
*
* Load first instance of NE module. (Note: caller is responsible for
* ensuring the module isn't already loaded!)
*
* If the module turns out to be an executable module, only a
* handle to a module stub is returned; this needs to be initialized
* by calling NE_DoLoadModule later, in the context of the newly
* created process.
*
* If lib_only is TRUE, however, the module is perforce treated
* like a DLL module, even if it is an executable module.
*
*/
static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
{
NE_MODULE *pModule;
HMODULE16 hModule;
HINSTANCE16 hInstance;
HFILE16 hFile;
OFSTRUCT ofs;
/* Open file */
if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16)
return (HMODULE16)2; /* File not found */
hModule = NE_LoadExeHeader( DosFileHandleToWin32Handle(hFile), ofs.szPathName );
_lclose16( hFile );
if (hModule < 32) return hModule;
pModule = NE_GetPtr( hModule );
if ( !pModule ) return hModule;
if ( !lib_only && !( pModule->flags & NE_FFLAGS_LIBMODULE ) )
return hModule;
hInstance = NE_DoLoadModule( pModule );
if ( hInstance < 32 )
{
/* cleanup ... */
NE_FreeModule( hModule, 0 );
}
return hInstance;
}
/**********************************************************************
* MODULE_LoadModule16
*
* Load a NE module in the order of the loadorder specification.
* The caller is responsible that the module is not loaded already.
*
*/
static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
{
HINSTANCE16 hinst = 2;
enum loadorder_type loadorder[LOADORDER_NTYPES];
int i;
const char *filetype = "";
MODULE_GetLoadOrder(loadorder, libname, FALSE);
for(i = 0; i < LOADORDER_NTYPES; i++)
{
if (loadorder[i] == LOADORDER_INVALID) break;
switch(loadorder[i])
{
case LOADORDER_DLL:
TRACE("Trying native dll '%s'\n", libname);
hinst = NE_LoadModule(libname, lib_only);
filetype = "native";
break;
case LOADORDER_BI:
TRACE("Trying built-in '%s'\n", libname);
hinst = BUILTIN_LoadModule(libname);
filetype = "builtin";
break;
default:
hinst = 2;
break;
}
if(hinst >= 32)
{
TRACE_(loaddll)("Loaded module '%s' : %s\n", libname, filetype);
if(!implicit)
{
HMODULE16 hModule;
NE_MODULE *pModule;
hModule = GetModuleHandle16(libname);
if(!hModule)
{
ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
libname, hinst);
return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
}
pModule = NE_GetPtr(hModule);
if(!pModule)
{
ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
libname, hinst);
return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
}
TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
/*
* Call initialization routines for all loaded DLLs. Note that
* when we load implicitly linked DLLs this will be done by InitTask().
*/
if(pModule->flags & NE_FFLAGS_LIBMODULE)
{
NE_InitializeDLLs(hModule);
NE_DllProcessAttach(hModule);
}
}
return hinst;
}
if(hinst != 2)
{
/* We quit searching when we get another error than 'File not found' */
break;
}
}
return hinst; /* The last error that occurred */
}
/**********************************************************************
* NE_CreateThread
*
* Create the thread for a 16-bit module.
*/
static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
{
HANDLE hThread;
TDB *pTask;
HTASK16 hTask;
HINSTANCE16 instance = 0;
if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
return 0;
/* Post event to start the task */
PostEvent16( hTask );
/* Wait until we get the instance handle */
do
{
DirectedYield16( hTask );
if (!IsTask16( hTask )) /* thread has died */
{
DWORD exit_code;
WaitForSingleObject( hThread, INFINITE );
GetExitCodeThread( hThread, &exit_code );
CloseHandle( hThread );
return exit_code;
}
if (!(pTask = TASK_GetPtr( hTask ))) break;
instance = pTask->hInstance;
GlobalUnlock16( hTask );
} while (!instance);
CloseHandle( hThread );
return instance;
}
/**********************************************************************
* LoadModule (KERNEL.45)
*/
HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
{
BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
LOADPARAMS16 *params;
HMODULE16 hModule;
NE_MODULE *pModule;
LPSTR cmdline;
WORD cmdShow;
/* Load module */
if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
{
/* Special case: second instance of an already loaded NE module */
if ( !( pModule = NE_GetPtr( hModule ) ) ) return (HINSTANCE16)11;
if ( pModule->module32 ) return (HINSTANCE16)21;
/* Increment refcount */
pModule->count++;
}
else
{
/* Main case: load first instance of NE module */
if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
return hModule;
if ( !(pModule = NE_GetPtr( hModule )) )
return (HINSTANCE16)11;
}
/* If library module, we just retrieve the instance handle */
if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only )
return NE_GetInstance( pModule );
/*
* At this point, we need to create a new process.
*
* pModule points either to an already loaded module, whose refcount
* has already been incremented (to avoid having the module vanish
* in the meantime), or else to a stub module which contains only header
* information.
*/
params = (LOADPARAMS16 *)paramBlock;
cmdShow = ((WORD *)MapSL(params->showCmd))[1];
cmdline = MapSL( params->cmdLine );
return NE_CreateThread( pModule, cmdShow, cmdline );
}
/**********************************************************************
* NE_StartTask
*
* Startup code for a new 16-bit task.
*/
DWORD NE_StartTask(void)
{
TDB *pTask = TASK_GetCurrent();
NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
HINSTANCE16 hInstance, hPrevInstance;
SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
WORD sp;
if ( pModule->count > 0 )
{
/* Second instance of an already loaded NE module */
/* Note that the refcount was already incremented by the parent */
hPrevInstance = NE_GetInstance( pModule );
if ( pModule->dgroup )
if ( NE_CreateSegment( pModule, pModule->dgroup ) )
NE_LoadSegment( pModule, pModule->dgroup );
hInstance = NE_GetInstance( pModule );
TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance);
}
else
{
/* Load first instance of NE module */
pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
hInstance = NE_DoLoadModule( pModule );
hPrevInstance = 0;
}
if ( hInstance >= 32 )
{
CONTEXT86 context;
/* Enter instance handles into task struct */
pTask->hInstance = hInstance;
pTask->hPrevInstance = hPrevInstance;
/* Use DGROUP for 16-bit stack */
if (!(sp = pModule->sp))
sp = pSegTable[pModule->ss-1].minsize + pModule->stack_size;
sp &= ~1;
sp -= sizeof(STACK16FRAME);
pTask->teb->cur_stack = MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
/* Registers at initialization must be:
* ax zero
* bx stack size in bytes
* cx heap size in bytes
* si previous app instance
* di current app instance
* bp zero
* es selector to the PSP
* ds dgroup of the application
* ss stack selector
* sp top of the stack
*/
memset( &context, 0, sizeof(context) );
context.SegCs = GlobalHandleToSel16(pSegTable[pModule->cs - 1].hSeg);
context.SegDs = GlobalHandleToSel16(pTask->hInstance);
context.SegEs = pTask->hPDB;
context.Eip = pModule->ip;
context.Ebx = pModule->stack_size;
context.Ecx = pModule->heap_size;
context.Edi = pTask->hInstance;
context.Esi = pTask->hPrevInstance;
/* Now call 16-bit entry point */
TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n",
context.SegCs, context.Eip, context.SegDs,
SELECTOROF(pTask->teb->cur_stack),
OFFSETOF(pTask->teb->cur_stack) );
wine_call_to_16_regs_short( &context, 0 );
ExitThread( LOWORD(context.Eax) );
}
return hInstance; /* error code */
}
/***********************************************************************
* LoadLibrary (KERNEL.95)
* LoadLibrary16 (KERNEL32.35)
*/
HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
{
return LoadModule16(libname, (LPVOID)-1 );
}
/**********************************************************************
* 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 )
{
BOOL16 ret;
FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
if (!WEP) return FALSE;
__TRY
{
ret = NE_CallTo16_word_w( WEP, WEP_FREE_DLL );
}
__EXCEPT(page_fault)
{
WARN("Page fault\n");
ret = 0;
}
__ENDTRY
return ret;
}
/**********************************************************************
* NE_FreeModule
*
* Implementation of FreeModule16().
*/
static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
{
HMODULE16 *hPrevModule;
NE_MODULE *pModule;
HMODULE16 *pModRef;
int i;
if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
hModule = pModule->self;
TRACE("%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 && !(pModule->flags & NE_FFLAGS_WIN32))
{
/* Free the objects owned by the DLL module */
NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD );
if (pModule->flags & NE_FFLAGS_LIBMODULE)
MODULE_CallWEP( hModule );
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 */
GlobalFreeAll16( hModule );
/* Remove module from cache */
if (pCachedModule == pModule) pCachedModule = NULL;
return TRUE;
}
/**********************************************************************
* FreeModule (KERNEL.46)
*/
BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
{
return NE_FreeModule( hModule, TRUE );
}
/***********************************************************************
* FreeLibrary (KERNEL.96)
* FreeLibrary16 (KERNEL32.36)
*/
void WINAPI FreeLibrary16( HINSTANCE16 handle )
{
TRACE("%04x\n", handle );
FreeModule16( handle );
}
/**********************************************************************
* GetModuleName (KERNEL.27)
*/
BOOL16 WINAPI GetModuleName16( 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 GetModuleUsage16( HINSTANCE16 hModule )
{
NE_MODULE *pModule = NE_GetPtr( hModule );
return pModule ? pModule->count : 0;
}
/**********************************************************************
* GetExpWinVer (KERNEL.167)
*/
WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
{
NE_MODULE *pModule = NE_GetPtr( hModule );
if ( !pModule ) return 0;
/*
* For built-in modules, fake the expected version the module should
* have according to the Windows version emulated by Wine
*/
if ( !pModule->expected_version )
{
OSVERSIONINFOA versionInfo;
versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
if ( GetVersionExA( &versionInfo ) )
pModule->expected_version =
(versionInfo.dwMajorVersion & 0xff) << 8
| (versionInfo.dwMinorVersion & 0xff);
}
return pModule->expected_version;
}
/**********************************************************************
* GetModuleFileName (KERNEL.49)
*
* Comment: see GetModuleFileNameA
*
* Even if invoked by second instance of a program,
* it still returns path of first one.
*/
INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
INT16 nSize )
{
NE_MODULE *pModule;
/* Win95 does not query hModule if set to 0 !
* Is this wrong or maybe Win3.1 only ? */
if (!hModule) hModule = GetCurrentTask();
if (!(pModule = NE_GetPtr( hModule ))) return 0;
lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
if (pModule->expected_version >= 0x400)
GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
TRACE("%04x -> '%s'\n", hModule, lpFileName );
return strlen(lpFileName);
}
/***********************************************************************
* WinExec (KERNEL.166)
*/
HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
{
LPCSTR p, args = NULL;
LPCSTR name_beg, name_end;
LPSTR name, cmdline;
int arglen;
HINSTANCE16 ret;
char buffer[MAX_PATH];
if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
{
name_beg = lpCmdLine+1;
p = strchr ( lpCmdLine+1, '"' );
if (p)
{
name_end = p;
args = strchr ( p, ' ' );
}
else /* yes, even valid with trailing '"' missing */
name_end = lpCmdLine+strlen(lpCmdLine);
}
else
{
name_beg = lpCmdLine;
args = strchr( lpCmdLine, ' ' );
name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
}
if ((name_beg == lpCmdLine) && (!args))
{ /* just use the original cmdline string as file name */
name = (LPSTR)lpCmdLine;
}
else
{
if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
return ERROR_NOT_ENOUGH_MEMORY;
memcpy( name, name_beg, name_end - name_beg );
name[name_end - name_beg] = '\0';
}
if (args)
{
args++;
arglen = strlen(args);
cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
cmdline[0] = (BYTE)arglen;
strcpy( cmdline + 1, args );
}
else
{
cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
cmdline[0] = cmdline[1] = 0;
}
TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
{
LOADPARAMS16 params;
WORD showCmd[2];
showCmd[0] = 2;
showCmd[1] = nCmdShow;
params.hEnvironment = 0;
params.cmdLine = MapLS( cmdline );
params.showCmd = MapLS( showCmd );
params.reserved = 0;
ret = LoadModule16( buffer, &params );
UnMapLS( params.cmdLine );
UnMapLS( params.showCmd );
}
else ret = GetLastError();
HeapFree( GetProcessHeap(), 0, cmdline );
if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
if (ret == 21) /* 32-bit module */
{
DWORD count;
ReleaseThunkLock( &count );
ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) );
RestoreThunkLock( count );
}
return ret;
}
/**********************************************************************
* GetModuleHandle (KERNEL.47)
*
* Find a module from a module name.
*
* NOTE: The current implementation works the same way the Windows 95 one
* does. Do not try to 'fix' it, fix the callers.
* + It does not do ANY extension handling (except that strange .EXE bit)!
* + It does not care about paths, just about basenames. (same as Windows)
*
* 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( MapSL(name)), hFirstModule );
}
/***********************************************************************
* GetModuleHandle16 (KERNEL32.@)
*/
HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
{
HMODULE16 hModule = hFirstModule;
LPSTR s;
BYTE len, *name_table;
char tmpstr[MAX_PATH];
NE_MODULE *pModule;
TRACE("(%s)\n", name);
if (!HIWORD(name))
return GetExePtr(LOWORD(name));
len = strlen(name);
if (!len)
return 0;
lstrcpynA(tmpstr, name, sizeof(tmpstr));
/* If 'name' matches exactly the module name of a module:
* Return its handle.
*/
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
name_table = (BYTE *)pModule + pModule->name_table;
if ((*name_table == len) && !strncmp(name, name_table+1, len))
return hModule;
}
/* If uppercased 'name' matches exactly the module name of a module:
* Return its handle
*/
for (s = tmpstr; *s; s++) *s = FILE_toupper(*s);
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
name_table = (BYTE *)pModule + pModule->name_table;
/* FIXME: the strncasecmp is WRONG. It should not be case insensitive,
* but case sensitive! (Unfortunately Winword 6 and subdlls have
* lowercased module names, but try to load uppercase DLLs, so this
* 'i' compare is just a quickfix until the loader handles that
* correctly. -MM 990705
*/
if ((*name_table == len) && !FILE_strncasecmp(tmpstr, name_table+1, len))
return hModule;
}
/* If the base filename of 'name' matches the base filename of the module
* filename of some module (case-insensitive compare):
* Return its handle.
*/
/* basename: search backwards in passed name to \ / or : */
s = tmpstr + strlen(tmpstr);
while (s > tmpstr)
{
if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
break;
s--;
}
/* search this in loaded filename list */
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
char *loadedfn;
OFSTRUCT *ofs;
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (!pModule->fileinfo) continue;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
/* basename: search backwards in pathname to \ / or : */
while (loadedfn > (char*)ofs->szPathName)
{
if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
break;
loadedfn--;
}
/* case insensitive compare ... */
if (!FILE_strcasecmp(loadedfn, s))
return hModule;
}
/* If the extension of 'name' is '.EXE' and the base filename of 'name'
* matches the base filename of the module filename of some 32-bit module:
* Return the corresponding 16-bit dummy module handle.
*/
if (len >= 4 && !FILE_strcasecmp(name+len-4, ".EXE"))
{
HMODULE hModule = GetModuleHandleA( name );
if ( hModule )
return MapHModuleLS( hModule );
}
if (!strcmp(tmpstr,"MSDOS"))
return 1;
if (!strcmp(tmpstr,"TIMER"))
{
FIXME("Eh... Should return caller's code segment, expect crash\n");
return 0;
}
return 0;
}
/**********************************************************************
* NE_GetModuleByFilename
*/
static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
{
HMODULE16 hModule;
LPSTR s, p;
BYTE len, *name_table;
char tmpstr[MAX_PATH];
NE_MODULE *pModule;
lstrcpynA(tmpstr, name, sizeof(tmpstr));
/* If the base filename of 'name' matches the base filename of the module
* filename of some module (case-insensitive compare):
* Return its handle.
*/
/* basename: search backwards in passed name to \ / or : */
s = tmpstr + strlen(tmpstr);
while (s > tmpstr)
{
if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
break;
s--;
}
/* search this in loaded filename list */
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
char *loadedfn;
OFSTRUCT *ofs;
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (!pModule->fileinfo) continue;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
/* basename: search backwards in pathname to \ / or : */
while (loadedfn > (char*)ofs->szPathName)
{
if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
break;
loadedfn--;
}
/* case insensitive compare ... */
if (!FILE_strcasecmp(loadedfn, s))
return hModule;
}
/* If basename (without ext) matches the module name of a module:
* Return its handle.
*/
if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
len = strlen(s);
for (hModule = hFirstModule; hModule ; hModule = pModule->next)
{
pModule = NE_GetPtr( hModule );
if (!pModule) break;
if (pModule->flags & NE_FFLAGS_WIN32) continue;
name_table = (BYTE *)pModule + pModule->name_table;
if ((*name_table == len) && !FILE_strncasecmp(s, name_table+1, len))
return hModule;
}
return 0;
}
/***********************************************************************
* GetProcAddress16 (KERNEL32.37)
* Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
*/
FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
{
if (!hModule) return 0;
if (HIWORD(hModule))
{
WARN("hModule is Win32 handle (%p)\n", hModule );
return 0;
}
return GetProcAddress16( LOWORD(hModule), name );
}
/***********************************************************************
* GetProcAddress (KERNEL.50)
*/
FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
{
WORD ordinal;
FARPROC16 ret;
if (!hModule) hModule = GetCurrentTask();
hModule = GetExePtr( hModule );
if (HIWORD(name) != 0)
{
ordinal = NE_GetOrdinal( hModule, name );
TRACE("%04x '%s'\n", hModule, name );
}
else
{
ordinal = LOWORD(name);
TRACE("%04x %04x\n", hModule, ordinal );
}
if (!ordinal) return (FARPROC16)0;
ret = NE_GetEntryPoint( hModule, ordinal );
TRACE("returning %08x\n", (UINT)ret );
return ret;
}
/***************************************************************************
* HasGPHandler (KERNEL.338)
*/
SEGPTR WINAPI HasGPHandler16( SEGPTR address )
{
HMODULE16 hModule;
int gpOrdinal;
SEGPTR gpPtr;
GPHANDLERDEF *gpHandler;
if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
&& (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
&& (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
&& !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
&& (gpHandler = MapSL( gpPtr )) != NULL )
{
while (gpHandler->selector)
while (gpHandler->selector)
{
if ( SELECTOROF(address) == gpHandler->selector
&& OFFSETOF(address) >= gpHandler->rangeStart
......@@ -1816,254 +401,3 @@ SEGPTR WINAPI HasGPHandler16( SEGPTR address )
return 0;
}
/**********************************************************************
* ModuleFirst (TOOLHELP.59)
*/
BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme )
{
lpme->wNext = hFirstModule;
return ModuleNext16( lpme );
}
/**********************************************************************
* ModuleNext (TOOLHELP.60)
*/
BOOL16 WINAPI ModuleNext16( 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, min(*name, MAX_MODULE_NAME) );
lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0';
lpme->hModule = lpme->wNext;
lpme->wcUsage = pModule->count;
lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) );
lpme->wNext = pModule->next;
return TRUE;
}
/**********************************************************************
* ModuleFindName (TOOLHELP.61)
*/
BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name )
{
lpme->wNext = GetModuleHandle16( name );
return ModuleNext16( lpme );
}
/**********************************************************************
* ModuleFindHandle (TOOLHELP.62)
*/
BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule )
{
hModule = GetExePtr( hModule );
lpme->wNext = hModule;
return ModuleNext16( lpme );
}
/***************************************************************************
* IsRomModule (KERNEL.323)
*/
BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
{
return FALSE;
}
/***************************************************************************
* IsRomFile (KERNEL.326)
*/
BOOL16 WINAPI IsRomFile16( HFILE16 unused )
{
return FALSE;
}
/***********************************************************************
* create_dummy_module
*
* Create a dummy NE module for Win32 or Winelib.
*/
static HMODULE16 create_dummy_module( HMODULE module32 )
{
HMODULE16 hModule;
NE_MODULE *pModule;
SEGTABLEENTRY *pSegment;
char *pStr,*s;
unsigned int len;
const char* basename;
OFSTRUCT *ofs;
int of_size, size;
char filename[MAX_PATH];
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
if (!nt) return (HMODULE16)11; /* invalid exe */
/* Extract base filename */
GetModuleFileNameA( module32, filename, sizeof(filename) );
basename = strrchr(filename, '\\');
if (!basename) basename = filename;
else basename++;
len = strlen(basename);
if ((s = strchr(basename, '.'))) len = s - basename;
/* Allocate module */
of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
+ strlen(filename) + 1;
size = sizeof(NE_MODULE) +
/* loaded file info */
((of_size + 3) & ~3) +
/* segment table: DS,CS */
2 * sizeof(SEGTABLEENTRY) +
/* name table */
len + 2 +
/* several empty tables */
8;
hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
if (!hModule) return (HMODULE16)11; /* invalid exe */
FarSetOwner16( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
/* Set all used entries */
pModule->magic = IMAGE_OS2_SIGNATURE;
pModule->count = 1;
pModule->next = 0;
pModule->flags = NE_FFLAGS_WIN32;
pModule->dgroup = 0;
pModule->ss = 1;
pModule->cs = 2;
pModule->heap_size = 0;
pModule->stack_size = 0;
pModule->seg_count = 2;
pModule->modref_count = 0;
pModule->nrname_size = 0;
pModule->fileinfo = sizeof(NE_MODULE);
pModule->os_flags = NE_OSFLAGS_WINDOWS;
pModule->self = hModule;
pModule->module32 = module32;
/* Set version and flags */
pModule->expected_version = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
(nt->OptionalHeader.MinorSubsystemVersion & 0xff);
if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
/* Set loaded file information */
ofs = (OFSTRUCT *)(pModule + 1);
memset( ofs, 0, of_size );
ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
strcpy( ofs->szPathName, filename );
pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
pModule->seg_table = (int)pSegment - (int)pModule;
/* Data segment */
pSegment->size = 0;
pSegment->flags = NE_SEGFLAGS_DATA;
pSegment->minsize = 0x1000;
pSegment++;
/* Code segment */
pSegment->flags = 0;
pSegment++;
/* Module name */
pStr = (char *)pSegment;
pModule->name_table = (int)pStr - (int)pModule;
assert(len<256);
*pStr = len;
lstrcpynA( pStr+1, basename, len+1 );
pStr += len+2;
/* All tables zero terminated */
pModule->res_table = pModule->import_table = pModule->entry_table = (int)pStr - (int)pModule;
NE_RegisterModule( pModule );
LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */
return hModule;
}
/***************************************************************************
* MapHModuleLS (KERNEL32.@)
*/
HMODULE16 WINAPI MapHModuleLS(HMODULE hmod)
{
HMODULE16 ret;
NE_MODULE *pModule;
if (!hmod)
return TASK_GetCurrent()->hInstance;
if (!HIWORD(hmod))
return LOWORD(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);
}
if ((ret = create_dummy_module( hmod )) < 32)
{
SetLastError(ret);
ret = 0;
}
return ret;
}
/***************************************************************************
* MapHModuleSL (KERNEL32.@)
*/
HMODULE WINAPI MapHModuleSL(HMODULE16 hmod) {
NE_MODULE *pModule;
if (!hmod) {
TDB *pTask = TASK_GetCurrent();
hmod = pTask->hModule;
}
pModule = (NE_MODULE*)GlobalLock16(hmod);
if ( (pModule->magic!=IMAGE_OS2_SIGNATURE) ||
!(pModule->flags & NE_FFLAGS_WIN32)
)
return 0;
return pModule->module32;
}
/***************************************************************************
* MapHInstLS (KERNEL32.@)
* MapHInstLS (KERNEL.472)
*/
void WINAPI MapHInstLS( CONTEXT86 *context )
{
context->Eax = MapHModuleLS( (HMODULE)context->Eax );
}
/***************************************************************************
* MapHInstSL (KERNEL32.@)
* MapHInstSL (KERNEL.473)
*/
void WINAPI MapHInstSL( CONTEXT86 *context )
{
context->Eax = (DWORD)MapHModuleSL( context->Eax );
}
/***************************************************************************
* MapHInstLS_PN (KERNEL32.@)
*/
void WINAPI MapHInstLS_PN( CONTEXT86 *context )
{
if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax );
}
/***************************************************************************
* MapHInstSL_PN (KERNEL32.@)
*/
void WINAPI MapHInstSL_PN( CONTEXT86 *context )
{
if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax );
}
loader/task.c
View file @ 5fbb446c
......@@ -42,7 +42,6 @@
#include "winternl.h"
#include "selectors.h"
#include "wine/server.h"
#include "syslevel.h"
#include "stackframe.h"
#include "task.h"
#include "thread.h"
......@@ -51,8 +50,6 @@
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(task);
WINE_DECLARE_DEBUG_CHANNEL(relay);
WINE_DECLARE_DEBUG_CHANNEL(toolhelp);
/* Min. number of thunks allocated when creating a new segment */
#define MIN_THUNKS 32
......@@ -61,1111 +58,67 @@ WINE_DECLARE_DEBUG_CHANNEL(toolhelp);
static THHOOK DefaultThhook;
THHOOK *pThhook = &DefaultThhook;
#define hCurrentTask (pThhook->CurTDB)
#define hFirstTask (pThhook->HeadTDB)
#define hLockedTask (pThhook->LockTDB)
static UINT16 nTaskCount = 0;
static HTASK16 initial_task;
/***********************************************************************
* TASK_InstallTHHook
*/
void TASK_InstallTHHook( THHOOK *pNewThhook )
{
THHOOK *pOldThhook = pThhook;
pThhook = pNewThhook? pNewThhook : &DefaultThhook;
*pThhook = *pOldThhook;
}
/***********************************************************************
* TASK_GetNextTask
*/
HTASK16 TASK_GetNextTask( HTASK16 hTask )
{
TDB* pTask = TASK_GetPtr( hTask );
if (pTask->hNext) return pTask->hNext;
return (hFirstTask != hTask) ? hFirstTask : 0;
}
/***********************************************************************
* TASK_GetPtr
*/
TDB *TASK_GetPtr( HTASK16 hTask )
{
return GlobalLock16( hTask );
}
/***********************************************************************
* TASK_GetCurrent
*/
TDB *TASK_GetCurrent(void)
{
return TASK_GetPtr( GetCurrentTask() );
}
/***********************************************************************
* TASK_LinkTask
*/
static void TASK_LinkTask( HTASK16 hTask )
{
HTASK16 *prevTask;
TDB *pTask;
if (!(pTask = TASK_GetPtr( hTask ))) return;
prevTask = &hFirstTask;
while (*prevTask)
{
TDB *prevTaskPtr = TASK_GetPtr( *prevTask );
if (prevTaskPtr->priority >= pTask->priority) break;
prevTask = &prevTaskPtr->hNext;
}
pTask->hNext = *prevTask;
*prevTask = hTask;
nTaskCount++;
}
/***********************************************************************
* TASK_UnlinkTask
*/
static void TASK_UnlinkTask( HTASK16 hTask )
{
HTASK16 *prevTask;
TDB *pTask;
prevTask = &hFirstTask;
while (*prevTask && (*prevTask != hTask))
{
pTask = TASK_GetPtr( *prevTask );
prevTask = &pTask->hNext;
}
if (*prevTask)
{
pTask = TASK_GetPtr( *prevTask );
*prevTask = pTask->hNext;
pTask->hNext = 0;
nTaskCount--;
}
}
/***********************************************************************
* TASK_CreateThunks
*
* Create a thunk free-list in segment 'handle', starting from offset 'offset'
* and containing 'count' entries.
*/
static void TASK_CreateThunks( HGLOBAL16 handle, WORD offset, WORD count )
{
int i;
WORD free;
THUNKS *pThunk;
pThunk = (THUNKS *)((BYTE *)GlobalLock16( handle ) + offset);
pThunk->next = 0;
pThunk->magic = THUNK_MAGIC;
pThunk->free = (int)&pThunk->thunks - (int)pThunk;
free = pThunk->free;
for (i = 0; i < count-1; i++)
{
free += 8; /* Offset of next thunk */
pThunk->thunks[4*i] = free;
}
pThunk->thunks[4*i] = 0; /* Last thunk */
}
/***********************************************************************
* TASK_AllocThunk
*
* Allocate a thunk for MakeProcInstance().
*/
static SEGPTR TASK_AllocThunk(void)
{
TDB *pTask;
THUNKS *pThunk;
WORD sel, base;
if (!(pTask = TASK_GetCurrent())) return 0;
sel = pTask->hCSAlias;
pThunk = &pTask->thunks;
base = (int)pThunk - (int)pTask;
while (!pThunk->free)
{
sel = pThunk->next;
if (!sel) /* Allocate a new segment */
{
sel = GLOBAL_Alloc( GMEM_FIXED, sizeof(THUNKS) + (MIN_THUNKS-1)*8,
pTask->hPDB, WINE_LDT_FLAGS_CODE );
if (!sel) return (SEGPTR)0;
TASK_CreateThunks( sel, 0, MIN_THUNKS );
pThunk->next = sel;
}
pThunk = (THUNKS *)GlobalLock16( sel );
base = 0;
}
base += pThunk->free;
pThunk->free = *(WORD *)((BYTE *)pThunk + pThunk->free);
return MAKESEGPTR( sel, base );
}
/***********************************************************************
* TASK_FreeThunk
*
* Free a MakeProcInstance() thunk.
*/
static BOOL TASK_FreeThunk( SEGPTR thunk )
{
TDB *pTask;
THUNKS *pThunk;
WORD sel, base;
if (!(pTask = TASK_GetCurrent())) return 0;
sel = pTask->hCSAlias;
pThunk = &pTask->thunks;
base = (int)pThunk - (int)pTask;
while (sel && (sel != HIWORD(thunk)))
{
sel = pThunk->next;
pThunk = (THUNKS *)GlobalLock16( sel );
base = 0;
}
if (!sel) return FALSE;
*(WORD *)((BYTE *)pThunk + LOWORD(thunk) - base) = pThunk->free;
pThunk->free = LOWORD(thunk) - base;
return TRUE;
}
/***********************************************************************
* TASK_Create
*
* NOTE: This routine might be called by a Win32 thread. Thus, we need
* to be careful to protect global data structures. We do this
* by entering the Win16Lock while linking the task into the
* global task list.
*/
static TDB *TASK_Create( NE_MODULE *pModule, UINT16 cmdShow, TEB *teb, LPCSTR cmdline, BYTE len )
{
HTASK16 hTask;
TDB *pTask;
FARPROC16 proc;
HMODULE16 hModule = pModule ? pModule->self : 0;
/* Allocate the task structure */
hTask = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(TDB) );
if (!hTask) return NULL;
pTask = TASK_GetPtr( hTask );
FarSetOwner16( hTask, hModule );
/* Fill the task structure */
pTask->hSelf = hTask;
if (teb && teb->tibflags & TEBF_WIN32)
{
pTask->flags |= TDBF_WIN32;
pTask->hInstance = hModule;
pTask->hPrevInstance = 0;
/* NOTE: for 16-bit tasks, the instance handles are updated later on
in NE_InitProcess */
}
pTask->version = pModule ? pModule->expected_version : 0x0400;
pTask->hModule = hModule;
pTask->hParent = GetCurrentTask();
pTask->magic = TDB_MAGIC;
pTask->nCmdShow = cmdShow;
pTask->teb = teb;
pTask->curdrive = DRIVE_GetCurrentDrive() | 0x80;
strcpy( pTask->curdir, "\\" );
WideCharToMultiByte(CP_ACP, 0, DRIVE_GetDosCwd(DRIVE_GetCurrentDrive()), -1,
pTask->curdir + 1, sizeof(pTask->curdir) - 1, NULL, NULL);
pTask->curdir[sizeof(pTask->curdir) - 1] = 0; /* ensure 0 termination */
/* Create the thunks block */
TASK_CreateThunks( hTask, (int)&pTask->thunks - (int)pTask, 7 );
/* Copy the module name */
if (hModule)
{
char name[10];
GetModuleName16( hModule, name, sizeof(name) );
strncpy( pTask->module_name, name, sizeof(pTask->module_name) );
pTask->compat_flags = GetProfileIntA( "Compatibility", name, 0 );
}
/* Allocate a selector for the PDB */
pTask->hPDB = GLOBAL_CreateBlock( GMEM_FIXED, &pTask->pdb, sizeof(PDB16),
hModule, WINE_LDT_FLAGS_DATA );
/* Fill the PDB */
pTask->pdb.int20 = 0x20cd;
pTask->pdb.dispatcher[0] = 0x9a; /* ljmp */
proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DOS3Call" );
memcpy( &pTask->pdb.dispatcher[1], &proc, sizeof(proc) );
pTask->pdb.savedint22 = 0;
pTask->pdb.savedint23 = 0;
pTask->pdb.savedint24 = 0;
pTask->pdb.fileHandlesPtr =
MAKESEGPTR( GlobalHandleToSel16(pTask->hPDB), (int)&((PDB16 *)0)->fileHandles );
pTask->pdb.hFileHandles = 0;
memset( pTask->pdb.fileHandles, 0xff, sizeof(pTask->pdb.fileHandles) );
/* FIXME: should we make a copy of the environment? */
pTask->pdb.environment = SELECTOROF(GetDOSEnvironment16());
pTask->pdb.nbFiles = 20;
/* Fill the command line */
if (!cmdline)
{
cmdline = GetCommandLineA();
/* remove the first word (program name) */
if (*cmdline == '"')
if (!(cmdline = strchr( cmdline+1, '"' ))) cmdline = GetCommandLineA();
while (*cmdline && (*cmdline != ' ') && (*cmdline != '\t')) cmdline++;
while ((*cmdline == ' ') || (*cmdline == '\t')) cmdline++;
len = strlen(cmdline);
}
if (len >= sizeof(pTask->pdb.cmdLine)) len = sizeof(pTask->pdb.cmdLine)-1;
pTask->pdb.cmdLine[0] = len;
memcpy( pTask->pdb.cmdLine + 1, cmdline, len );
/* pTask->pdb.cmdLine[len+1] = 0; */
TRACE("cmdline='%.*s' task=%04x\n", len, cmdline, hTask );
/* Allocate a code segment alias for the TDB */
pTask->hCSAlias = GLOBAL_CreateBlock( GMEM_FIXED, (void *)pTask,
sizeof(TDB), pTask->hPDB, WINE_LDT_FLAGS_CODE );
/* Default DTA overwrites command line */
pTask->dta = MAKESEGPTR( pTask->hPDB, (int)&pTask->pdb.cmdLine - (int)&pTask->pdb );
/* Create scheduler event for 16-bit tasks */
if ( !(pTask->flags & TDBF_WIN32) )
NtCreateEvent( &pTask->hEvent, EVENT_ALL_ACCESS, NULL, TRUE, FALSE );
/* Enter task handle into thread */
if (teb) teb->htask16 = hTask;
if (!initial_task) initial_task = hTask;
return pTask;
}
/***********************************************************************
* TASK_DeleteTask
*/
static void TASK_DeleteTask( HTASK16 hTask )
{
TDB *pTask;
HGLOBAL16 hPDB;
if (!(pTask = TASK_GetPtr( hTask ))) return;
hPDB = pTask->hPDB;
pTask->magic = 0xdead; /* invalidate signature */
/* Free the selector aliases */
GLOBAL_FreeBlock( pTask->hCSAlias );
GLOBAL_FreeBlock( pTask->hPDB );
/* Free the task module */
FreeModule16( pTask->hModule );
/* Free the task structure itself */
GlobalFree16( hTask );
/* Free all memory used by this task (including the 32-bit stack, */
/* the environment block and the thunk segments). */
GlobalFreeAll16( hPDB );
}
/***********************************************************************
* TASK_CreateMainTask
*
* Create a task for the main (32-bit) process.
*/
void TASK_CreateMainTask(void)
{
TDB *pTask;
STARTUPINFOA startup_info;
UINT cmdShow = 1; /* SW_SHOWNORMAL but we don't want to include winuser.h here */
GetStartupInfoA( &startup_info );
if (startup_info.dwFlags & STARTF_USESHOWWINDOW) cmdShow = startup_info.wShowWindow;
pTask = TASK_Create( NULL, cmdShow, NtCurrentTeb(), NULL, 0 );
if (!pTask)
{
ERR("could not create task for main process\n");
ExitProcess(1);
}
/* Add the task to the linked list */
/* (no need to get the win16 lock, we are the only thread at this point) */
TASK_LinkTask( pTask->hSelf );
}
/* startup routine for a new 16-bit thread */
static DWORD CALLBACK task_start( TDB *pTask )
{
DWORD ret;
NtCurrentTeb()->tibflags &= ~TEBF_WIN32;
NtCurrentTeb()->htask16 = pTask->hSelf;
_EnterWin16Lock();
TASK_LinkTask( pTask->hSelf );
pTask->teb = NtCurrentTeb();
ret = NE_StartTask();
_LeaveWin16Lock();
return ret;
}
/***********************************************************************
* TASK_SpawnTask
*
* Spawn a new 16-bit task.
*/
HTASK16 TASK_SpawnTask( NE_MODULE *pModule, WORD cmdShow,
LPCSTR cmdline, BYTE len, HANDLE *hThread )
{
TDB *pTask;
if (!(pTask = TASK_Create( pModule, cmdShow, NULL, cmdline, len ))) return 0;
if (!(*hThread = CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE)task_start, pTask, 0, NULL )))
{
TASK_DeleteTask( pTask->hSelf );
return 0;
}
return pTask->hSelf;
}
/***********************************************************************
* TASK_ExitTask
*/
void TASK_ExitTask(void)
{
TDB *pTask;
DWORD lockCount;
/* Enter the Win16Lock to protect global data structures */
_EnterWin16Lock();
pTask = TASK_GetCurrent();
if ( !pTask )
{
_LeaveWin16Lock();
return;
}
TRACE("Killing task %04x\n", pTask->hSelf );
/* Perform USER cleanup */
TASK_CallTaskSignalProc( USIG16_TERMINATION, pTask->hSelf );
/* Remove the task from the list to be sure we never switch back to it */
TASK_UnlinkTask( pTask->hSelf );
if (!nTaskCount || (nTaskCount == 1 && hFirstTask == initial_task))
{
TRACE("this is the last task, exiting\n" );
ExitKernel16();
}
if( nTaskCount )
{
TDB* p = TASK_GetPtr( hFirstTask );
while( p )
{
if( p->hYieldTo == pTask->hSelf ) p->hYieldTo = 0;
p = TASK_GetPtr( p->hNext );
}
}
pTask->nEvents = 0;
if ( hLockedTask == pTask->hSelf )
hLockedTask = 0;
TASK_DeleteTask( pTask->hSelf );
/* ... and completely release the Win16Lock, just in case. */
ReleaseThunkLock( &lockCount );
}
/***********************************************************************
* ExitKernel (KERNEL.2)
*
* Clean-up everything and exit the Wine process.
*/
void WINAPI ExitKernel16(void)
{
WriteOutProfiles16();
TerminateProcess( GetCurrentProcess(), 0 );
}
/***********************************************************************
* InitTask (KERNEL.91)
*
* Called by the application startup code.
*/
void WINAPI InitTask16( CONTEXT86 *context )
{
TDB *pTask;
INSTANCEDATA *pinstance;
SEGPTR ptr;
context->Eax = 0;
if (!(pTask = TASK_GetCurrent())) return;
/* Note: we need to trust that BX/CX contain the stack/heap sizes,
as some apps, notably Visual Basic apps, *modify* the heap/stack
size of the instance data segment before calling InitTask() */
/* Initialize the INSTANCEDATA structure */
pinstance = MapSL( MAKESEGPTR(CURRENT_DS, 0) );
pinstance->stackmin = OFFSETOF( pTask->teb->cur_stack ) + sizeof( STACK16FRAME );
pinstance->stackbottom = pinstance->stackmin; /* yup, that's right. Confused me too. */
pinstance->stacktop = ( pinstance->stackmin > LOWORD(context->Ebx) ?
pinstance->stackmin - LOWORD(context->Ebx) : 0 ) + 150;
/* Initialize the local heap */
if (LOWORD(context->Ecx))
LocalInit16( GlobalHandleToSel16(pTask->hInstance), 0, LOWORD(context->Ecx) );
/* Initialize implicitly loaded DLLs */
NE_InitializeDLLs( pTask->hModule );
NE_DllProcessAttach( pTask->hModule );
/* Registers on return are:
* ax 1 if OK, 0 on error
* cx stack limit in bytes
* dx cmdShow parameter
* si instance handle of the previous instance
* di instance handle of the new task
* es:bx pointer to command line inside PSP
*
* 0 (=%bp) is pushed on the stack
*/
ptr = stack16_push( sizeof(WORD) );
*(WORD *)MapSL(ptr) = 0;
context->Esp -= 2;
context->Eax = 1;
if (!pTask->pdb.cmdLine[0]) context->Ebx = 0x80;
else
{
LPBYTE p = &pTask->pdb.cmdLine[1];
while ((*p == ' ') || (*p == '\t')) p++;
context->Ebx = 0x80 + (p - pTask->pdb.cmdLine);
}
context->Ecx = pinstance->stacktop;
context->Edx = pTask->nCmdShow;
context->Esi = (DWORD)pTask->hPrevInstance;
context->Edi = (DWORD)pTask->hInstance;
context->SegEs = (WORD)pTask->hPDB;
}
/***********************************************************************
* WaitEvent (KERNEL.30)
*/
BOOL16 WINAPI WaitEvent16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
pTask = TASK_GetPtr( hTask );
if (pTask->flags & TDBF_WIN32)
{
FIXME("called for Win32 thread (%04x)!\n", NtCurrentTeb()->teb_sel);
return TRUE;
}
if (pTask->nEvents > 0)
{
pTask->nEvents--;
return FALSE;
}
if (pTask->teb == NtCurrentTeb())
{
DWORD lockCount;
NtResetEvent( pTask->hEvent, NULL );
ReleaseThunkLock( &lockCount );
SYSLEVEL_CheckNotLevel( 1 );
WaitForSingleObject( pTask->hEvent, INFINITE );
RestoreThunkLock( lockCount );
if (pTask->nEvents > 0) pTask->nEvents--;
}
else FIXME("for other task %04x cur=%04x\n",pTask->hSelf,GetCurrentTask());
return TRUE;
}
/***********************************************************************
* PostEvent (KERNEL.31)
*/
void WINAPI PostEvent16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return;
if (pTask->flags & TDBF_WIN32)
{
FIXME("called for Win32 thread (%04x)!\n", pTask->teb->teb_sel );
return;
}
pTask->nEvents++;
if (pTask->nEvents == 1) NtSetEvent( pTask->hEvent, NULL );
}
/***********************************************************************
* SetPriority (KERNEL.32)
*/
void WINAPI SetPriority16( HTASK16 hTask, INT16 delta )
{
TDB *pTask;
INT16 newpriority;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return;
newpriority = pTask->priority + delta;
if (newpriority < -32) newpriority = -32;
else if (newpriority > 15) newpriority = 15;
pTask->priority = newpriority + 1;
TASK_UnlinkTask( pTask->hSelf );
TASK_LinkTask( pTask->hSelf );
pTask->priority--;
}
/***********************************************************************
* LockCurrentTask (KERNEL.33)
*/
HTASK16 WINAPI LockCurrentTask16( BOOL16 bLock )
{
if (bLock) hLockedTask = GetCurrentTask();
else hLockedTask = 0;
return hLockedTask;
}
/***********************************************************************
* IsTaskLocked (KERNEL.122)
*/
HTASK16 WINAPI IsTaskLocked16(void)
{
return hLockedTask;
}
/***********************************************************************
* OldYield (KERNEL.117)
*/
void WINAPI OldYield16(void)
{
DWORD count;
ReleaseThunkLock(&count);
RestoreThunkLock(count);
}
/***********************************************************************
* WIN32_OldYield (KERNEL.447)
*/
void WINAPI WIN32_OldYield16(void)
{
DWORD count;
ReleaseThunkLock(&count);
RestoreThunkLock(count);
}
/***********************************************************************
* DirectedYield (KERNEL.150)
*/
void WINAPI DirectedYield16( HTASK16 hTask )
{
TDB *pCurTask = TASK_GetCurrent();
if (!pCurTask || (pCurTask->flags & TDBF_WIN32)) OldYield16();
else
{
TRACE("%04x: DirectedYield(%04x)\n", pCurTask->hSelf, hTask );
pCurTask->hYieldTo = hTask;
OldYield16();
TRACE("%04x: back from DirectedYield(%04x)\n", pCurTask->hSelf, hTask );
}
}
/***********************************************************************
* Yield (KERNEL.29)
*/
void WINAPI Yield16(void)
{
TDB *pCurTask = TASK_GetCurrent();
if (pCurTask) pCurTask->hYieldTo = 0;
if (pCurTask && pCurTask->hQueue)
{
HMODULE mod = GetModuleHandleA( "user32.dll" );
if (mod)
{
FARPROC proc = GetProcAddress( mod, "UserYield16" );
if (proc)
{
proc();
return;
}
}
}
OldYield16();
}
/***********************************************************************
* KERNEL_490 (KERNEL.490)
*/
HTASK16 WINAPI KERNEL_490( HTASK16 someTask )
{
if ( !someTask ) return 0;
FIXME("(%04x): stub\n", someTask );
return 0;
}
/***********************************************************************
* MakeProcInstance (KERNEL.51)
*/
FARPROC16 WINAPI MakeProcInstance16( FARPROC16 func, HANDLE16 hInstance )
{
BYTE *thunk,*lfunc;
SEGPTR thunkaddr;
WORD hInstanceSelector;
hInstanceSelector = GlobalHandleToSel16(hInstance);
TRACE("(%08lx, %04x);\n", (DWORD)func, hInstance);
if (!HIWORD(func)) {
/* Win95 actually protects via SEH, but this is better for debugging */
WARN("Ouch ! Called with invalid func 0x%08lx !\n", (DWORD)func);
return (FARPROC16)0;
}
if ( (GlobalHandleToSel16(CURRENT_DS) != hInstanceSelector)
&& (hInstance != 0)
&& (hInstance != 0xffff) )
{
/* calling MPI with a foreign DSEG is invalid ! */
WARN("Problem with hInstance? Got %04x, using %04x instead\n",
hInstance,CURRENT_DS);
}
/* Always use the DSEG that MPI was entered with.
* We used to set hInstance to GetTaskDS16(), but this should be wrong
* as CURRENT_DS provides the DSEG value we need.
* ("calling" DS, *not* "task" DS !) */
hInstanceSelector = CURRENT_DS;
hInstance = GlobalHandle16(hInstanceSelector);
/* no thunking for DLLs */
if (NE_GetPtr(FarGetOwner16(hInstance))->flags & NE_FFLAGS_LIBMODULE)
return func;
thunkaddr = TASK_AllocThunk();
if (!thunkaddr) return (FARPROC16)0;
thunk = MapSL( thunkaddr );
lfunc = MapSL( (SEGPTR)func );
TRACE("(%08lx,%04x): got thunk %08lx\n",
(DWORD)func, hInstance, (DWORD)thunkaddr );
if (((lfunc[0]==0x8c) && (lfunc[1]==0xd8)) || /* movw %ds, %ax */
((lfunc[0]==0x1e) && (lfunc[1]==0x58)) /* pushw %ds, popw %ax */
) {
WARN("This was the (in)famous \"thunk useless\" warning. We thought we have to overwrite with nop;nop;, but this isn't true.\n");
}
*thunk++ = 0xb8; /* movw instance, %ax */
*thunk++ = (BYTE)(hInstanceSelector & 0xff);
*thunk++ = (BYTE)(hInstanceSelector >> 8);
*thunk++ = 0xea; /* ljmp func */
*(DWORD *)thunk = (DWORD)func;
return (FARPROC16)thunkaddr;
/* CX reg indicates if thunkaddr != NULL, implement if needed */
}
/***********************************************************************
* FreeProcInstance (KERNEL.52)
*/
void WINAPI FreeProcInstance16( FARPROC16 func )
{
TRACE("(%08lx)\n", (DWORD)func );
TASK_FreeThunk( (SEGPTR)func );
}
/**********************************************************************
* TASK_GetCodeSegment
*
* Helper function for GetCodeHandle/GetCodeInfo: Retrieve the module
* and logical segment number of a given code segment.
*
* 'proc' either *is* already a pair of module handle and segment number,
* in which case there's nothing to do. Otherwise, it is a pointer to
* a function, and we need to retrieve the code segment. If the pointer
* happens to point to a thunk, we'll retrieve info about the code segment
* where the function pointed to by the thunk resides, not the thunk itself.
*
* FIXME: if 'proc' is a SNOOP16 return stub, we should retrieve info about
* the function the snoop code will return to ...
*
*/
static BOOL TASK_GetCodeSegment( FARPROC16 proc, NE_MODULE **ppModule,
SEGTABLEENTRY **ppSeg, int *pSegNr )
{
NE_MODULE *pModule = NULL;
SEGTABLEENTRY *pSeg = NULL;
int segNr=0;
/* Try pair of module handle / segment number */
pModule = (NE_MODULE *) GlobalLock16( HIWORD( proc ) );
if ( pModule && pModule->magic == IMAGE_OS2_SIGNATURE )
{
segNr = LOWORD( proc );
if ( segNr && segNr <= pModule->seg_count )
pSeg = NE_SEG_TABLE( pModule ) + segNr-1;
}
/* Try thunk or function */
else
{
BYTE *thunk = MapSL( (SEGPTR)proc );
WORD selector;
if ((thunk[0] == 0xb8) && (thunk[3] == 0xea))
selector = thunk[6] + (thunk[7] << 8);
else
selector = HIWORD( proc );
pModule = NE_GetPtr( GlobalHandle16( selector ) );
pSeg = pModule? NE_SEG_TABLE( pModule ) : NULL;
if ( pModule )
for ( segNr = 1; segNr <= pModule->seg_count; segNr++, pSeg++ )
if ( GlobalHandleToSel16(pSeg->hSeg) == selector )
break;
if ( pModule && segNr > pModule->seg_count )
pSeg = NULL;
}
/* Abort if segment not found */
if ( !pModule || !pSeg )
return FALSE;
/* Return segment data */
if ( ppModule ) *ppModule = pModule;
if ( ppSeg ) *ppSeg = pSeg;
if ( pSegNr ) *pSegNr = segNr;
return TRUE;
}
/**********************************************************************
* GetCodeHandle (KERNEL.93)
*/
HANDLE16 WINAPI GetCodeHandle16( FARPROC16 proc )
{
SEGTABLEENTRY *pSeg;
if ( !TASK_GetCodeSegment( proc, NULL, &pSeg, NULL ) )
return (HANDLE16)0;
return pSeg->hSeg;
}
/**********************************************************************
* GetCodeInfo (KERNEL.104)
*/
BOOL16 WINAPI GetCodeInfo16( FARPROC16 proc, SEGINFO *segInfo )
{
NE_MODULE *pModule;
SEGTABLEENTRY *pSeg;
int segNr;
if ( !TASK_GetCodeSegment( proc, &pModule, &pSeg, &segNr ) )
return FALSE;
/* Fill in segment information */
segInfo->offSegment = pSeg->filepos;
segInfo->cbSegment = pSeg->size;
segInfo->flags = pSeg->flags;
segInfo->cbAlloc = pSeg->minsize;
segInfo->h = pSeg->hSeg;
segInfo->alignShift = pModule->alignment;
if ( segNr == pModule->dgroup )
segInfo->cbAlloc += pModule->heap_size + pModule->stack_size;
/* Return module handle in %es */
CURRENT_STACK16->es = GlobalHandleToSel16( pModule->self );
return TRUE;
}
/**********************************************************************
* DefineHandleTable (KERNEL.94)
*/
BOOL16 WINAPI DefineHandleTable16( WORD wOffset )
{
FIXME("(%04x): stub ?\n", wOffset);
return TRUE;
}
/***********************************************************************
* SetTaskQueue (KERNEL.34)
*/
HQUEUE16 WINAPI SetTaskQueue16( HTASK16 hTask, HQUEUE16 hQueue )
{
HQUEUE16 hPrev;
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return 0;
hPrev = pTask->hQueue;
pTask->hQueue = hQueue;
return hPrev;
}
/***********************************************************************
* GetTaskQueue (KERNEL.35)
*/
HQUEUE16 WINAPI GetTaskQueue16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return 0;
return pTask->hQueue;
}
/***********************************************************************
* SetThreadQueue (KERNEL.463)
* TASK_GetPtr
*/
HQUEUE16 WINAPI SetThreadQueue16( DWORD thread, HQUEUE16 hQueue )
static TDB *TASK_GetPtr( HTASK16 hTask )
{
TEB *teb = thread? THREAD_IdToTEB( thread ) : NtCurrentTeb();
HQUEUE16 oldQueue = teb? teb->queue : 0;
if ( teb )
{
teb->queue = hQueue;
if ( GetTaskQueue16( teb->htask16 ) == oldQueue )
SetTaskQueue16( teb->htask16, hQueue );
}
return oldQueue;
return GlobalLock16( hTask );
}
/***********************************************************************
* GetThreadQueue (KERNEL.464)
*/
HQUEUE16 WINAPI GetThreadQueue16( DWORD thread )
{
TEB *teb = NULL;
if ( !thread )
teb = NtCurrentTeb();
else if ( HIWORD(thread) )
teb = THREAD_IdToTEB( thread );
else if ( IsTask16( (HTASK16)thread ) )
teb = (TASK_GetPtr( (HANDLE16)thread ))->teb;
return (HQUEUE16)(teb? teb->queue : 0);
}
/***********************************************************************
* SetFastQueue (KERNEL.624)
* TASK_GetCurrent
*/
VOID WINAPI SetFastQueue16( DWORD thread, HQUEUE16 hQueue )
TDB *TASK_GetCurrent(void)
{
TEB *teb = NULL;
if ( !thread )
teb = NtCurrentTeb();
else if ( HIWORD(thread) )
teb = THREAD_IdToTEB( thread );
else if ( IsTask16( (HTASK16)thread ) )
teb = (TASK_GetPtr( (HANDLE16)thread ))->teb;
if ( teb ) teb->queue = hQueue;
return TASK_GetPtr( GetCurrentTask() );
}
/***********************************************************************
* GetFastQueue (KERNEL.625)
*/
HQUEUE16 WINAPI GetFastQueue16( void )
{
HQUEUE16 ret = NtCurrentTeb()->queue;
if (!ret) FIXME("(): should initialize thread-local queue, expect failure!\n" );
return ret;
}
/***********************************************************************
* SwitchStackTo (KERNEL.108)
* PostEvent (KERNEL.31)
*/
void WINAPI SwitchStackTo16( WORD seg, WORD ptr, WORD top )
void WINAPI PostEvent16( HTASK16 hTask )
{
TDB *pTask;
STACK16FRAME *oldFrame, *newFrame;
INSTANCEDATA *pData;
UINT16 copySize;
if (!(pTask = TASK_GetCurrent())) return;
if (!(pData = (INSTANCEDATA *)GlobalLock16( seg ))) return;
TRACE("old=%04x:%04x new=%04x:%04x\n",
SELECTOROF( pTask->teb->cur_stack ),
OFFSETOF( pTask->teb->cur_stack ), seg, ptr );
/* Save the old stack */
oldFrame = THREAD_STACK16( pTask->teb );
/* pop frame + args and push bp */
pData->old_ss_sp = pTask->teb->cur_stack + sizeof(STACK16FRAME)
+ 2 * sizeof(WORD);
*(WORD *)MapSL(pData->old_ss_sp) = oldFrame->bp;
pData->stacktop = top;
pData->stackmin = ptr;
pData->stackbottom = ptr;
/* Switch to the new stack */
/* Note: we need to take the 3 arguments into account; otherwise,
* the stack will underflow upon return from this function.
*/
copySize = oldFrame->bp - OFFSETOF(pData->old_ss_sp);
copySize += 3 * sizeof(WORD) + sizeof(STACK16FRAME);
pTask->teb->cur_stack = MAKESEGPTR( seg, ptr - copySize );
newFrame = THREAD_STACK16( pTask->teb );
/* Copy the stack frame and the local variables to the new stack */
memmove( newFrame, oldFrame, copySize );
newFrame->bp = ptr;
*(WORD *)MapSL( MAKESEGPTR( seg, ptr ) ) = 0; /* clear previous bp */
}
/***********************************************************************
* SwitchStackBack (KERNEL.109)
*/
void WINAPI SwitchStackBack16( CONTEXT86 *context )
{
STACK16FRAME *oldFrame, *newFrame;
INSTANCEDATA *pData;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return;
if (!(pData = (INSTANCEDATA *)GlobalLock16(SELECTOROF(NtCurrentTeb()->cur_stack))))
return;
if (!pData->old_ss_sp)
if (pTask->flags & TDBF_WIN32)
{
WARN("No previous SwitchStackTo\n" );
FIXME("called for Win32 thread (%04x)!\n", pTask->teb->teb_sel );
return;
}
TRACE("restoring stack %04x:%04x\n",
SELECTOROF(pData->old_ss_sp), OFFSETOF(pData->old_ss_sp) );
oldFrame = CURRENT_STACK16;
/* Pop bp from the previous stack */
context->Ebp = (context->Ebp & ~0xffff) | *(WORD *)MapSL(pData->old_ss_sp);
pData->old_ss_sp += sizeof(WORD);
/* Switch back to the old stack */
NtCurrentTeb()->cur_stack = pData->old_ss_sp - sizeof(STACK16FRAME);
context->SegSs = SELECTOROF(pData->old_ss_sp);
context->Esp = OFFSETOF(pData->old_ss_sp) - sizeof(DWORD); /*ret addr*/
pData->old_ss_sp = 0;
/* Build a stack frame for the return */
pTask->nEvents++;
newFrame = CURRENT_STACK16;
newFrame->frame32 = oldFrame->frame32;
newFrame->module_cs = oldFrame->module_cs;
newFrame->callfrom_ip = oldFrame->callfrom_ip;
newFrame->entry_ip = oldFrame->entry_ip;
if (pTask->nEvents == 1) NtSetEvent( pTask->hEvent, NULL );
}
/***********************************************************************
* GetTaskQueueDS (KERNEL.118)
* OldYield (KERNEL.117)
*/
void WINAPI GetTaskQueueDS16(void)
void WINAPI OldYield16(void)
{
CURRENT_STACK16->ds = GlobalHandleToSel16( GetTaskQueue16(0) );
}
DWORD count;
ReleaseThunkLock(&count);
RestoreThunkLock(count);
}
/***********************************************************************
* GetTaskQueueES (KERNEL.119)
* DirectedYield (KERNEL.150)
*/
void WINAPI GetTaskQueueES16(void)
void WINAPI DirectedYield16( HTASK16 hTask )
{
CURRENT_STACK16->es = GlobalHandleToSel16( GetTaskQueue16(0) );
OldYield16();
}
/***********************************************************************
* GetCurrentTask (KERNEL32.@)
*/
......@@ -1175,17 +128,6 @@ HTASK16 WINAPI GetCurrentTask(void)
}
/***********************************************************************
* GetCurrentTask (KERNEL.36)
*/
DWORD WINAPI WIN16_GetCurrentTask(void)
{
/* This is the version used by relay code; the first task is */
/* returned in the high word of the result */
return MAKELONG( GetCurrentTask(), hFirstTask );
}
/***********************************************************************
* GetCurrentPDB (KERNEL.37)
*
* UNDOC: returns PSP of KERNEL in high word
......@@ -1200,183 +142,6 @@ DWORD WINAPI GetCurrentPDB16(void)
/***********************************************************************
* GetCurPID (KERNEL.157)
*/
DWORD WINAPI GetCurPID16( DWORD unused )
{
return 0;
}
/***********************************************************************
* GetInstanceData (KERNEL.54)
*/
INT16 WINAPI GetInstanceData16( HINSTANCE16 instance, WORD buffer, INT16 len )
{
char *ptr = (char *)GlobalLock16( instance );
if (!ptr || !len) return 0;
if ((int)buffer + len >= 0x10000) len = 0x10000 - buffer;
memcpy( (char *)GlobalLock16(CURRENT_DS) + buffer, ptr + buffer, len );
return len;
}
/***********************************************************************
* GetExeVersion (KERNEL.105)
*/
WORD WINAPI GetExeVersion16(void)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
return pTask->version;
}
/***********************************************************************
* SetErrorMode (KERNEL.107)
*/
UINT16 WINAPI SetErrorMode16( UINT16 mode )
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
pTask->error_mode = mode;
return SetErrorMode( mode );
}
/***********************************************************************
* GetNumTasks (KERNEL.152)
*/
UINT16 WINAPI GetNumTasks16(void)
{
return nTaskCount;
}
/***********************************************************************
* GetTaskDS (KERNEL.155)
*
* Note: this function apparently returns a DWORD with LOWORD == HIWORD.
* I don't think we need to bother with this.
*/
HINSTANCE16 WINAPI GetTaskDS16(void)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
return GlobalHandleToSel16(pTask->hInstance);
}
/***********************************************************************
* GetDummyModuleHandleDS (KERNEL.602)
*/
WORD WINAPI GetDummyModuleHandleDS16(void)
{
TDB *pTask;
WORD selector;
if (!(pTask = TASK_GetCurrent())) return 0;
if (!(pTask->flags & TDBF_WIN32)) return 0;
selector = GlobalHandleToSel16( pTask->hModule );
CURRENT_DS = selector;
return selector;
}
/***********************************************************************
* IsTask (KERNEL.320)
*/
BOOL16 WINAPI IsTask16( HTASK16 hTask )
{
TDB *pTask;
if (!(pTask = TASK_GetPtr( hTask ))) return FALSE;
if (GlobalSize16( hTask ) < sizeof(TDB)) return FALSE;
return (pTask->magic == TDB_MAGIC);
}
/***********************************************************************
* IsWinOldApTask (KERNEL.158)
*/
BOOL16 WINAPI IsWinOldApTask16( HTASK16 hTask )
{
/* should return bit 0 of byte 0x48 in PSP */
return FALSE;
}
/***********************************************************************
* SetTaskSignalProc (KERNEL.38)
*/
FARPROC16 WINAPI SetTaskSignalProc( HTASK16 hTask, FARPROC16 proc )
{
TDB *pTask;
FARPROC16 oldProc;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask = TASK_GetPtr( hTask ))) return NULL;
oldProc = pTask->userhandler;
pTask->userhandler = proc;
return oldProc;
}
/***********************************************************************
* TASK_CallTaskSignalProc
*/
/* ### start build ### */
extern WORD CALLBACK TASK_CallTo16_word_wwwww(FARPROC16,WORD,WORD,WORD,WORD,WORD);
/* ### stop build ### */
void TASK_CallTaskSignalProc( UINT16 uCode, HANDLE16 hTaskOrModule )
{
TDB *pTask = TASK_GetCurrent();
if ( !pTask || !pTask->userhandler ) return;
TASK_CallTo16_word_wwwww( pTask->userhandler,
hTaskOrModule, uCode, 0,
pTask->hInstance, pTask->hQueue );
}
/***********************************************************************
* SetSigHandler (KERNEL.140)
*/
WORD WINAPI SetSigHandler16( FARPROC16 newhandler, FARPROC16* oldhandler,
UINT16 *oldmode, UINT16 newmode, UINT16 flag )
{
FIXME("(%p,%p,%p,%d,%d), unimplemented.\n",
newhandler,oldhandler,oldmode,newmode,flag );
if (flag != 1) return 0;
if (!newmode) newhandler = NULL; /* Default handler */
if (newmode != 4)
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return 0;
if (oldmode) *oldmode = pTask->signal_flags;
pTask->signal_flags = newmode;
if (oldhandler) *oldhandler = pTask->sighandler;
pTask->sighandler = newhandler;
}
return 0;
}
/***********************************************************************
* GlobalNotify (KERNEL.154)
*
* Note that GlobalNotify does _not_ return the old NotifyProc
* -- contrary to LocalNotify !!
*/
VOID WINAPI GlobalNotify16( FARPROC16 proc )
{
TDB *pTask;
if (!(pTask = TASK_GetCurrent())) return;
pTask->discardhandler = proc;
}
/***********************************************************************
* GetExePtrHelper
*/
static inline HMODULE16 GetExePtrHelper( HANDLE16 handle, HTASK16 *hTask )
......@@ -1446,136 +211,3 @@ HMODULE16 WINAPI GetExePtr( HANDLE16 handle )
HTASK16 hTask = 0;
return GetExePtrHelper( handle, &hTask );
}
/***********************************************************************
* TaskFirst (TOOLHELP.63)
*/
BOOL16 WINAPI TaskFirst16( TASKENTRY *lpte )
{
lpte->hNext = hFirstTask;
return TaskNext16( lpte );
}
/***********************************************************************
* TaskNext (TOOLHELP.64)
*/
BOOL16 WINAPI TaskNext16( TASKENTRY *lpte )
{
TDB *pTask;
INSTANCEDATA *pInstData;
TRACE_(toolhelp)("(%p): task=%04x\n", lpte, lpte->hNext );
if (!lpte->hNext) return FALSE;
/* make sure that task and hInstance are valid (skip initial Wine task !) */
while (1) {
pTask = TASK_GetPtr( lpte->hNext );
if (!pTask || pTask->magic != TDB_MAGIC) return FALSE;
if (pTask->hInstance)
break;
lpte->hNext = pTask->hNext;
}
pInstData = MapSL( MAKESEGPTR( GlobalHandleToSel16(pTask->hInstance), 0 ) );
lpte->hTask = lpte->hNext;
lpte->hTaskParent = pTask->hParent;
lpte->hInst = pTask->hInstance;
lpte->hModule = pTask->hModule;
lpte->wSS = SELECTOROF( pTask->teb->cur_stack );
lpte->wSP = OFFSETOF( pTask->teb->cur_stack );
lpte->wStackTop = pInstData->stacktop;
lpte->wStackMinimum = pInstData->stackmin;
lpte->wStackBottom = pInstData->stackbottom;
lpte->wcEvents = pTask->nEvents;
lpte->hQueue = pTask->hQueue;
lstrcpynA( lpte->szModule, pTask->module_name, sizeof(lpte->szModule) );
lpte->wPSPOffset = 0x100; /*??*/
lpte->hNext = pTask->hNext;
return TRUE;
}
/***********************************************************************
* TaskFindHandle (TOOLHELP.65)
*/
BOOL16 WINAPI TaskFindHandle16( TASKENTRY *lpte, HTASK16 hTask )
{
lpte->hNext = hTask;
return TaskNext16( lpte );
}
typedef INT (WINAPI *MessageBoxA_funcptr)(HWND hWnd, LPCSTR text, LPCSTR title, UINT type);
/**************************************************************************
* FatalAppExit (KERNEL.137)
*/
void WINAPI FatalAppExit16( UINT16 action, LPCSTR str )
{
TDB *pTask = TASK_GetCurrent();
if (!pTask || !(pTask->error_mode & SEM_NOGPFAULTERRORBOX))
{
HMODULE mod = GetModuleHandleA( "user32.dll" );
if (mod)
{
MessageBoxA_funcptr pMessageBoxA = (MessageBoxA_funcptr)GetProcAddress( mod, "MessageBoxA" );
if (pMessageBoxA)
{
pMessageBoxA( 0, str, NULL, MB_SYSTEMMODAL | MB_OK );
goto done;
}
}
ERR( "%s\n", debugstr_a(str) );
}
done:
ExitThread(0xff);
}
/***********************************************************************
* TerminateApp (TOOLHELP.77)
*
* See "Undocumented Windows".
*/
void WINAPI TerminateApp16(HTASK16 hTask, WORD wFlags)
{
if (hTask && hTask != GetCurrentTask())
{
FIXME("cannot terminate task %x\n", hTask);
return;
}
if (wFlags & NO_UAE_BOX)
{
UINT16 old_mode;
old_mode = SetErrorMode16(0);
SetErrorMode16(old_mode|SEM_NOGPFAULTERRORBOX);
}
FatalAppExit16( 0, NULL );
/* hmm, we're still alive ?? */
/* check undocumented flag */
if (!(wFlags & 0x8000))
TASK_CallTaskSignalProc( USIG16_TERMINATION, hTask );
/* UndocWin says to call int 0x21/0x4c exit=0xff here,
but let's just call ExitThread */
ExitThread(0xff);
}
/***********************************************************************
* GetAppCompatFlags (KERNEL.354)
*/
DWORD WINAPI GetAppCompatFlags16( HTASK16 hTask )
{
TDB *pTask;
if (!hTask) hTask = GetCurrentTask();
if (!(pTask=TASK_GetPtr( hTask ))) return 0;
if (GlobalSize16(hTask) < sizeof(TDB)) return 0;
return pTask->compat_flags;
}
msdos/int21.c
View file @ 5fbb446c
......@@ -148,7 +148,7 @@ static BOOL INT21_CreateHeap(void)
static BYTE *GetCurrentDTA( CONTEXT86 *context )
{
TDB *pTask = TASK_GetCurrent();
TDB *pTask = GlobalLock16(GetCurrentTask());
/* FIXME: This assumes DTA was set correctly! */
return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
......
scheduler/thread.c
View file @ 5fbb446c
......@@ -35,7 +35,6 @@
#endif
#include "wine/winbase16.h"
#include "thread.h"
#include "task.h"
#include "module.h"
#include "winerror.h"
#include "selectors.h"
......@@ -54,39 +53,6 @@ static TEB initial_teb;
extern struct _PDB current_process;
/***********************************************************************
* THREAD_IdToTEB
*
* Convert a thread id to a TEB, making sure it is valid.
*/
TEB *THREAD_IdToTEB( DWORD id )
{
TEB *ret = NULL;
if (!id || id == GetCurrentThreadId()) return NtCurrentTeb();
SERVER_START_REQ( get_thread_info )
{
req->handle = 0;
req->tid_in = id;
if (!wine_server_call( req )) ret = reply->teb;
}
SERVER_END_REQ;
if (!ret)
{
/* Allow task handles to be used; convert to main thread */
if ( IsTask16( id ) )
{
TDB *pTask = TASK_GetPtr( id );
if (pTask) return pTask->teb;
}
SetLastError( ERROR_INVALID_PARAMETER );
}
return ret;
}
/***********************************************************************
* THREAD_InitTEB
*
* Initialization of a newly created TEB.
......@@ -341,7 +307,6 @@ void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
else
{
LdrShutdownThread();
if (!(NtCurrentTeb()->tibflags & TEBF_WIN32)) TASK_ExitTask();
SYSDEPS_ExitThread( code );
}
}
......
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