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Sun Feb 15 12:02:59 1998 Alexandre Julliard <julliard@lrc.epfl.ch> * [graphics/x11drv/*.c] [objects/*.c] A few X11 critical section optimizations, mostly with XGet/PutPixel. * [scheduler/sysdeps.c] [misc/main.c] Make sure X11 critical section is available before any Xlib call. * [if1632/relay.c] [tools/build.c] Yet another attempt at fixing Catch/Throw. * [loader/pe_image.c] Fixed broken PE DLL loading. * [include/winnt.h] [scheduler/handle.c] [scheduler/*.c] Implemented handle access rights. Added Get/SetHandleInformation. Sun Feb 15 09:45:23 1997 Andreas Mohr <100.30936@germany.net> * [misc/winsock.c] Fixed bug in WSACleanup which lead to crashes in WINSOCK_HandleIO. * [graphics/fontengine.c] [include/font.h] Minor improvements. * [memory/global.c] Implemented GlobalEntryHandle. * [misc/toolhelp.c] Fixed a memory bug in Notify*register. * [misc/w32scomb.c] Improved Get16DLLAddress. * [objects/gdiobj.c] Implemented GdiSeeGdiDo. Sat Feb 14 14:57:39 1998 John Richardson <jrichard@zko.dec.com> * [win32/console.c] Added the console implementation, AllocConsole, FreeConsole, CONSOLE_InheritConsole. * [documentation/console] Some documentation on the console. * [include/winerror.h] Added some error defines. * [scheduler/k32obj.c] Registered the scheduler ops. Fri Feb 13 19:35:35 1998 James Moody <013263m@dragon.acadiau.ca> * [ole/ole2nls.c] Some English language fixes for missing values. * [controls/listbox.c] Fix to allow an empty listbox to deselect all items. * [relay32/user32.spec] [windows/keyboard.c] CreateAcceleratorTableA stub method. * [windows/sysmetrics.c] Added missing SM_CXCURSOR & SM_CYCURSOR initializers. * [windows/message.c] PostThreadMessage32A stub method. Fri Feb 13 17:12:24 1998 Jim Peterson <jspeter@roanoke.infi.net> * [libtest/hello3res.rc] [libtest/hello3.c] [libtest/Makefile.in] Updated the 'hello3' test so that it functions properly again. Fri Feb 13 14:08:07 1998 Martin Boehme <boehme@informatik.mu-luebeck.de> * [graphics/mapping.c] Fixed the embarrassing bugs I introduced into DPtoLP and LPtoDP. * [windows/scroll.c] Prevent ScrollWindow32 from sending WM_ERASEBKGND. Thu Feb 12 22:46:53 1998 Huw D M Davies <h.davies1@physics.oxford.ac.uk> * [objects/metafile] [include/ldt.h] Fix to cope with records longer than 64K. * [windows/clipboard.c] Clean up bitmaps and metapicts properly. Mon Feb 3 21:52:18 1998 Karl Backström <karl_b@geocities.com> * [programs/winhelp/Sw.rc] [resources/sysres_Sw.rc] Minor update of Swedish language support.
82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/*
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* LDT copy
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*
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* Copyright 1995 Alexandre Julliard
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*/
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#ifndef __WINE_LDT_H
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#define __WINE_LDT_H
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#include "wintypes.h"
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enum seg_type
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{
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SEGMENT_DATA = 0,
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SEGMENT_STACK = 1,
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SEGMENT_CODE = 2
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};
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/* This structure represents a real LDT entry. */
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/* It is used by get_ldt_entry() and set_ldt_entry(). */
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typedef struct
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{
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unsigned long base; /* base address */
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unsigned long limit; /* segment limit (in pages or bytes) */
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int seg_32bit; /* is segment 32-bit? */
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int read_only; /* is segment read-only? */
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int limit_in_pages; /* is the limit in pages or bytes? */
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enum seg_type type; /* segment type */
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} ldt_entry;
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extern void LDT_BytesToEntry( const unsigned long *buffer, ldt_entry *content);
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extern void LDT_EntryToBytes( unsigned long *buffer, const ldt_entry *content);
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extern int LDT_GetEntry( int entry, ldt_entry *content );
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extern int LDT_SetEntry( int entry, const ldt_entry *content );
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extern void LDT_Print( int start, int length );
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/* This structure is used to build the local copy of the LDT. */
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typedef struct
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{
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unsigned long base; /* base address or 0 if entry is free */
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unsigned long limit; /* limit in bytes or 0 if entry is free */
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} ldt_copy_entry;
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#define LDT_SIZE 8192
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extern ldt_copy_entry ldt_copy[LDT_SIZE];
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#define __AHSHIFT 3 /* don't change! */
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#define __AHINCR (1 << __AHSHIFT)
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#define SELECTOR_TO_ENTRY(sel) (((int)(sel) & 0xffff) >> __AHSHIFT)
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#define ENTRY_TO_SELECTOR(i) ((i) ? (((int)(i) << __AHSHIFT) | 7) : 0)
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#define IS_LDT_ENTRY_FREE(i) (!(ldt_flags_copy[(i)] & LDT_FLAGS_ALLOCATED))
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#define IS_SELECTOR_FREE(sel) (IS_LDT_ENTRY_FREE(SELECTOR_TO_ENTRY(sel)))
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#define GET_SEL_BASE(sel) (ldt_copy[SELECTOR_TO_ENTRY(sel)].base)
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#define GET_SEL_LIMIT(sel) (ldt_copy[SELECTOR_TO_ENTRY(sel)].limit)
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/* Convert a segmented ptr (16:16) to a linear (32) pointer */
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#define PTR_SEG_OFF_TO_LIN(seg,off) \
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((void*)(GET_SEL_BASE(seg) + (unsigned int)(off)))
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#define PTR_SEG_TO_LIN(ptr) \
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(__winelib ? (void*)(ptr) : PTR_SEG_OFF_TO_LIN(SELECTOROF(ptr),OFFSETOF(ptr)))
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#define PTR_SEG_OFF_TO_SEGPTR(seg,off) \
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(__winelib ? (SEGPTR)PTR_SEG_OFF_TO_LIN(seg,off) : (SEGPTR)MAKELONG(off,seg))
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#define PTR_SEG_OFF_TO_HUGEPTR(seg,off) \
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(PTR_SEG_OFF_TO_SEGPTR( (seg) + (HIWORD(off) << __AHSHIFT), LOWORD(off) ))
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extern unsigned char ldt_flags_copy[LDT_SIZE];
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#define LDT_FLAGS_TYPE 0x03 /* Mask for segment type */
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#define LDT_FLAGS_READONLY 0x04 /* Segment is read-only (data) */
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#define LDT_FLAGS_EXECONLY 0x04 /* Segment is execute-only (code) */
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#define LDT_FLAGS_32BIT 0x08 /* Segment is 32-bit (code or stack) */
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#define LDT_FLAGS_BIG 0x10 /* Segment is big (limit is in pages) */
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#define LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */
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#define GET_SEL_FLAGS(sel) (ldt_flags_copy[SELECTOR_TO_ENTRY(sel)])
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#endif /* __WINE_LDT_H */
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