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libwine: Remove some no longer needed helper functions. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-04-09 11:48:23 +02:00
parent cb594c1c2e
commit 18273d5e71
1 changed files with 15 additions and 40 deletions
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55
libs/wine/ldt.c
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@ -45,26 +45,9 @@ struct __wine_ldt_copy
unsigned char flags[8192]; /* flags (defined below) */
} wine_ldt_copy_obsolete = { { 0, 0, 0 } };
#define WINE_LDT_FLAGS_DATA 0x13 /* Data segment */
#define WINE_LDT_FLAGS_STACK 0x17 /* Stack segment */
#define WINE_LDT_FLAGS_CODE 0x1b /* Code segment */
#define WINE_LDT_FLAGS_TYPE_MASK 0x1f /* Mask for segment type */
#define WINE_LDT_FLAGS_32BIT 0x40 /* Segment is 32-bit (code or stack) */
#define WINE_LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */
/* helper functions to manipulate the LDT_ENTRY structure */
static inline void wine_ldt_set_base( LDT_ENTRY *ent, const void *base )
{
ent->BaseLow = (WORD)(ULONG_PTR)base;
ent->HighWord.Bits.BaseMid = (BYTE)((ULONG_PTR)base >> 16);
ent->HighWord.Bits.BaseHi = (BYTE)((ULONG_PTR)base >> 24);
}
static inline void wine_ldt_set_limit( LDT_ENTRY *ent, unsigned int limit )
{
if ((ent->HighWord.Bits.Granularity = (limit >= 0x100000))) limit >>= 12;
ent->LimitLow = (WORD)limit;
ent->HighWord.Bits.LimitHi = (limit >> 16);
}
static inline void *wine_ldt_get_base( const LDT_ENTRY *ent )
{
return (void *)(ent->BaseLow |
@ -77,26 +60,6 @@ static inline unsigned int wine_ldt_get_limit( const LDT_ENTRY *ent )
if (ent->HighWord.Bits.Granularity) limit = (limit << 12) | 0xfff;
return limit;
}
static inline void wine_ldt_set_flags( LDT_ENTRY *ent, unsigned char flags )
{
ent->HighWord.Bits.Dpl = 3;
ent->HighWord.Bits.Pres = 1;
ent->HighWord.Bits.Type = flags;
ent->HighWord.Bits.Sys = 0;
ent->HighWord.Bits.Reserved_0 = 0;
ent->HighWord.Bits.Default_Big = (flags & WINE_LDT_FLAGS_32BIT) != 0;
}
static inline unsigned char wine_ldt_get_flags( const LDT_ENTRY *ent )
{
unsigned char ret = ent->HighWord.Bits.Type;
if (ent->HighWord.Bits.Default_Big) ret |= WINE_LDT_FLAGS_32BIT;
return ret;
}
static inline int wine_ldt_is_empty( const LDT_ENTRY *ent )
{
const DWORD *dw = (const DWORD *)ent;
return (dw[0] | dw[1]) == 0;
}
#ifdef __linux__
@ -207,9 +170,21 @@ void wine_ldt_get_entry_obsolete( unsigned short sel, LDT_ENTRY *entry )
lock_ldt();
if (wine_ldt_copy_obsolete.flags[index] & WINE_LDT_FLAGS_ALLOCATED)
{
wine_ldt_set_base( entry, wine_ldt_copy_obsolete.base[index] );
wine_ldt_set_limit( entry, wine_ldt_copy_obsolete.limit[index] );
wine_ldt_set_flags( entry, wine_ldt_copy_obsolete.flags[index] );
ULONG_PTR base = (ULONG_PTR)wine_ldt_copy_obsolete.base[index];
ULONG limit = wine_ldt_copy_obsolete.limit[index];
entry->BaseLow = (WORD)base;
entry->HighWord.Bits.BaseMid = (BYTE)(base >> 16);
entry->HighWord.Bits.BaseHi = (BYTE)(base >> 24);
if ((entry->HighWord.Bits.Granularity = (limit >= 0x100000))) limit >>= 12;
entry->LimitLow = (WORD)limit;
entry->HighWord.Bits.LimitHi = (limit >> 16);
entry->HighWord.Bits.Dpl = 3;
entry->HighWord.Bits.Pres = 1;
entry->HighWord.Bits.Type = wine_ldt_copy_obsolete.flags[index];
entry->HighWord.Bits.Sys = 0;
entry->HighWord.Bits.Reserved_0 = 0;
entry->HighWord.Bits.Default_Big = !!(wine_ldt_copy_obsolete.flags[index] & WINE_LDT_FLAGS_32BIT);
}
else *entry = null_entry;
unlock_ldt();