wine/loader/ldtlib.c
Alexandre Julliard 234bc24db1 Release 941210
Wed Dec  7 14:52:25 1994  Alexandre Julliard  (julliard@lamisun.epfl.ch)

	* [controls/listbox.c]
	Fixed problems due to new scroll-bar code.

	* [loader/signal.c] [miscemu/ioports.c]
	Handle I/O opcodes that use an absolute address.

	* [objects/text.c]
	Implemented TabbedTextOut().

Sat Dec  3 18:53:08 1994  Kenneth MacDonald  <K.MacDonald@ed.ac.uk>

	* [objects/metafile.c]
	Implemented GetMetafile().
	Fixed bug in PlayMetaFile() when reading disc based metafile records.
	Added META_POLYPOLYGON, META_DELETEOBJECT and META_EOF to 
	PlayMetaFileRecord().
	
Wed Nov 30 06:32:25 1994  Martin von Loewis  (martin@cs.csufresno.edu)

	* [Imakefile]
	wine.sym: Remove gcc2_compiled and friends

	* [controls/listbox.c][if1632/relay.c][if1632/relay.c]
	  [loader/resource.c][memory/heap.c][objects/dib.c][windows/dialog.c]
	Replace #ifdef DEBUG_XXX with if(debugging_xxx){

	* [if1632/call.S]
	CallToLibMain: New function

	* [if1632/relay.c][include/options.h][misc/main.c]
	  [miscemu/int1a.c][miscemu/int21.c][miscemu/kernel.c]
	removed Options.relay_debug

	* [include/heap.h]
	HEAP_OWNER: Use ds instead of cs:ip

	* [loader/ne_image.c]
	LoadNEImage: Remember current exe, handle nodata dlls
	InitNEDLL: handle nodata dlls, call CallToLibMain

	* [loader/selector.c]
	CreateSelectors: Initialize auto_data_sel with 0

	* [memory/heap.c]
	HEAP_CheckHeap: Check prev
	HEAP_CheckLocalHeaps: new function

	* [misc/profile]
	Remember and dump only changed profiles

	* [tools/makedebug]
	Introduce debugging_xxx flags

Sun Nov 27 23:13:22 MET 1994	<erik@xs4all.nl>

	* [clipboard.h color.h dc.h dos_fs.h event.h font.h graphics.h
	if1632.h kernel.h library.h miscemu.h ne_image.h nonclient.h 
	pe_image.h selectors.h wintypes.h]
	Added.

	* [*/*]
	- Commented all 'static char copyright statements', see misc/main.c
	- moved prototypes to headers files, fixed wrong prototypes.
	- *please* add a header file for each .c if you need to export
	  things.

	* [misc/main.c]
	Added one static string which list the names of the contributors.

Fri Nov 25 16:24:27 MET 1994		  Dag Asheim (dash@ifi.uio.no)

	* [Configure]
	Made the support for multiple languages more automatic.  Added
	a [fonts] section to the wine.conf file.  Made the defaults
	better.  Generally cleaned it up.

	* [rc/sysres_No.rc] [rc/sysres_De.rc] [rc/sysres.c]
	Norwegian resources and small fixes to the german resources.

Wed Nov 23 20:28:59 1994  Martin von Loewis  (martin@cs.csufresno.edu)

	* [debugger/break.c]
	bark(), toggle_next(), should_continue(): New functions
	insert_break(): Fixed, adds write access to page before writing
	wine_bp.next_addr: new structure field

	* [debugger/dbg.y]
	Changed symbol's value to be it's value instead of the value
	pointed to by the symbol.
	Changed SIGTRAP handling to allow continuation after break point

	* [misc/shell.c]
	ShellAbout(): Load resource from memory
1994-12-10 13:02:28 +00:00

101 lines
2.9 KiB
C

#ifndef WINELIB
/*
static char RCSId[] = "$Id: ldtlib.c,v 1.2 1993/07/04 04:04:21 root Exp root $";
static char Copyright[] = "Copyright Robert J. Amstadt, 1993";
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "stddebug.h"
#include "debug.h"
#ifdef linux
#include <linux/unistd.h>
#include <linux/head.h>
#include <linux/ldt.h>
_syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount)
#endif
#if defined(__NetBSD__) || defined(__FreeBSD__)
#include <machine/segments.h>
extern int i386_get_ldt(int, union descriptor *, int);
extern int i386_set_ldt(int, union descriptor *, int);
struct segment_descriptor *
make_sd(unsigned base, unsigned limit, int contents, int read_exec_only, int seg32, int inpgs)
{
static long d[2];
d[0] = ((base & 0x0000ffff) << 16) |
(limit & 0x0ffff);
d[1] = (base & 0xff000000) |
((base & 0x00ff0000)>>16) |
(limit & 0xf0000) |
(contents << 10) |
((read_exec_only ^ 1) << 9) |
(seg32 << 22) |
(inpgs << 23) |
0xf000;
return ((struct segment_descriptor *)d);
}
#endif
int
get_ldt(void *buffer)
{
#ifdef linux
return modify_ldt(0, buffer, 32 * sizeof(struct modify_ldt_ldt_s));
#endif
#if defined(__NetBSD__) || defined(__FreeBSD__)
return i386_get_ldt(0, (union descriptor *)buffer, 32);
#endif
}
int
set_ldt_entry(int entry, unsigned long base, unsigned int limit,
int seg_32bit_flag, int contents, int read_only_flag,
int limit_in_pages_flag)
{
#ifdef linux
struct modify_ldt_ldt_s ldt_info;
ldt_info.entry_number = entry;
ldt_info.base_addr = base;
ldt_info.limit = limit;
ldt_info.seg_32bit = seg_32bit_flag;
ldt_info.contents = contents;
ldt_info.read_exec_only = read_only_flag;
ldt_info.limit_in_pages = limit_in_pages_flag;
#ifdef NEW_LDT_STRUCT
ldt_info.seg_not_present = 0;
#endif
return modify_ldt(1, &ldt_info, sizeof(ldt_info));
#endif
#if defined(__NetBSD__) || defined(__FreeBSD__)
struct segment_descriptor *sd;
int ret;
dprintf_ldt(stddeb,
"set_ldt_entry: entry=%x base=%x limit=%x%s %s-bit contents=%d %s\n",
entry, base, limit, limit_in_pages_flag?"-pages":"",
seg_32bit_flag?"32":"16",
contents, read_only_flag?"read-only":"");
sd = make_sd(base, limit, contents, read_only_flag, seg_32bit_flag, limit_in_pages_flag);
ret = i386_set_ldt(entry, (union descriptor *)sd, 1);
if (ret < 0) {
perror("i386_set_ldt");
fprintf(stderr,
"Did you reconfigure the kernel with \"options USER_LDT\"?\n");
exit(1);
}
return ret;
#endif
}
#endif /* ifndef WINELIB */