ntdll: Use nameless unions/structs for CPU-related data.

dlls/ntdll/exception.c

@@ -24,8 +24,6 @@
 #include <signal.h>
 #include <stdarg.h>
 
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
 #include "windef.h"
@@ -312,7 +310,7 @@ static ULONG_PTR get_runtime_function_end( RUNTIME_FUNCTION *func, ULONG_PTR add
 #ifdef __x86_64__
     return func->EndAddress;
 #elif defined(__arm__)
-    if (func->u.s.Flag) return func->BeginAddress + func->u.s.FunctionLength * 2;
+    if (func->Flag) return func->BeginAddress + func->FunctionLength * 2;
     else
     {
         struct unwind_info
@@ -324,11 +322,11 @@ static ULONG_PTR get_runtime_function_end( RUNTIME_FUNCTION *func, ULONG_PTR add
             DWORD f : 1;
             DWORD count : 5;
             DWORD words : 4;
-        } *info = (struct unwind_info *)(addr + func->u.UnwindData);
+        } *info = (struct unwind_info *)(addr + func->UnwindData);
         return func->BeginAddress + info->function_length * 2;
     }
 #else  /* __aarch64__ */
-    if (func->u.s.Flag) return func->BeginAddress + func->u.s.FunctionLength * 4;
+    if (func->Flag) return func->BeginAddress + func->FunctionLength * 4;
     else
     {
         struct unwind_info
@@ -339,7 +337,7 @@ static ULONG_PTR get_runtime_function_end( RUNTIME_FUNCTION *func, ULONG_PTR add
             DWORD e : 1;
             DWORD epilog : 5;
             DWORD codes : 5;
-        } *info = (struct unwind_info *)(addr + func->u.UnwindData);
+        } *info = (struct unwind_info *)(addr + func->UnwindData);
         return func->BeginAddress + info->function_length * 4;
     }
 #endif

dlls/ntdll/heap.c

@@ -29,7 +29,6 @@
 
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
-#define NONAMELESSUNION
 #include "windef.h"
 #include "winnt.h"
 #include "winternl.h"

dlls/ntdll/rtl.c

@@ -26,8 +26,6 @@
 #include <stdarg.h>
 
 #include "ntstatus.h"
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 #define WIN32_NO_STATUS
 #include "winsock2.h"
 #include "windef.h"
@@ -1567,7 +1565,7 @@ PVOID WINAPI RtlDecodePointer( PVOID ptr )
 VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER list)
 {
 #ifdef _WIN64
-    list->s.Alignment = list->s.Region = 0;
+    list->Alignment = list->Region = 0;
     list->Header16.HeaderType = 1;  /* we use the 16-byte header */
 #else
     list->Alignment = 0;
@@ -1582,7 +1580,7 @@ WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER list)
 #ifdef _WIN64
     return list->Header16.Depth;
 #else
-    return list->s.Depth;
+    return list->Depth;
 #endif
 }
 
@@ -1594,7 +1592,7 @@ PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* list)
 #ifdef _WIN64
     return (SLIST_ENTRY *)((ULONG_PTR)list->Header16.NextEntry << 4);
 #else
-    return list->s.Next.Next;
+    return list->Next.Next;
 #endif
 }
 
@@ -1607,24 +1605,24 @@ PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER list)
 
 #ifdef _WIN64
     if (!list->Header16.NextEntry) return NULL;
-    new.s.Alignment = new.s.Region = 0;
+    new.Alignment = new.Region = 0;
     new.Header16.HeaderType = 1;  /* we use the 16-byte header */
     do
     {
         old = *list;
         new.Header16.Sequence = old.Header16.Sequence + 1;
-    } while (!InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
+    } while (!InterlockedCompareExchange128((__int64 *)list, new.Region, new.Alignment, (__int64 *)&old));
     return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
 #else
-    if (!list->s.Next.Next) return NULL;
+    if (!list->Next.Next) return NULL;
     new.Alignment = 0;
     do
     {
         old = *list;
-        new.s.Sequence = old.s.Sequence + 1;
+        new.Sequence = old.Sequence + 1;
     } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment,
                                           old.Alignment) != old.Alignment);
-    return old.s.Next.Next;
+    return old.Next.Next;
 #endif
 }
 
@@ -1643,19 +1641,19 @@ PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER list, PSLIST_ENTR
         entry->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
         new.Header16.Depth = old.Header16.Depth + 1;
         new.Header16.Sequence = old.Header16.Sequence + 1;
-    } while (!InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
+    } while (!InterlockedCompareExchange128((__int64 *)list, new.Region, new.Alignment, (__int64 *)&old));
     return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
 #else
-    new.s.Next.Next = entry;
+    new.Next.Next = entry;
     do
     {
         old = *list;
-        entry->Next = old.s.Next.Next;
-        new.s.Depth = old.s.Depth + 1;
-        new.s.Sequence = old.s.Sequence + 1;
+        entry->Next = old.Next.Next;
+        new.Depth = old.Depth + 1;
+        new.Sequence = old.Sequence + 1;
     } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment,
                                           old.Alignment) != old.Alignment);
-    return old.s.Next.Next;
+    return old.Next.Next;
 #endif
 }
 
@@ -1683,18 +1681,18 @@ PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER list)
         {
         }
         __ENDTRY
-    } while (!InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
+    } while (!InterlockedCompareExchange128((__int64 *)list, new.Region, new.Alignment, (__int64 *)&old));
 #else
     do
     {
         old = *list;
-        if (!(entry = old.s.Next.Next)) return NULL;
+        if (!(entry = old.Next.Next)) return NULL;
         /* entry could be deleted by another thread */
         __TRY
         {
-            new.s.Next.Next = entry->Next;
-            new.s.Depth = old.s.Depth - 1;
-            new.s.Sequence = old.s.Sequence + 1;
+            new.Next.Next = entry->Next;
+            new.Depth = old.Depth - 1;
+            new.Sequence = old.Sequence + 1;
         }
         __EXCEPT_PAGE_FAULT
         {
@@ -1722,19 +1720,19 @@ PSLIST_ENTRY WINAPI RtlInterlockedPushListSListEx(PSLIST_HEADER list, PSLIST_ENT
         new.Header16.Depth = old.Header16.Depth + count;
         new.Header16.Sequence = old.Header16.Sequence + 1;
         last->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
-    } while (!InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
+    } while (!InterlockedCompareExchange128((__int64 *)list, new.Region, new.Alignment, (__int64 *)&old));
     return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
 #else
-    new.s.Next.Next = first;
+    new.Next.Next = first;
     do
     {
         old = *list;
-        new.s.Depth = old.s.Depth + count;
-        new.s.Sequence = old.s.Sequence + 1;
-        last->Next = old.s.Next.Next;
+        new.Depth = old.Depth + count;
+        new.Sequence = old.Sequence + 1;
+        last->Next = old.Next.Next;
     } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment,
                                           old.Alignment) != old.Alignment);
-    return old.s.Next.Next;
+    return old.Next.Next;
 #endif
 }
 

dlls/ntdll/tests/time.c

@@ -18,8 +18,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 #include "ntdll_test.h"
 #include "ddk/wdm.h"
 #include "intrin.h"
@@ -160,18 +158,18 @@ static void test_RtlQueryPerformanceCounter(void)
         return;
     }
 
-    if (!(usd->u3.s.QpcBypassEnabled & SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED))
+    if (!(usd->QpcBypassEnabled & SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED))
     {
         todo_wine win_skip("QpcBypassEnabled is not set, skipping tests\n");
         return;
     }
 
-    if ((usd->u3.s.QpcBypassEnabled & SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE))
+    if ((usd->QpcBypassEnabled & SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE))
     {
-        ok( usd->u3.s.QpcBypassEnabled == (SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED|SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE|SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_RDTSCP),
-            "unexpected QpcBypassEnabled %x, expected 0x83\n", usd->u3.s.QpcBypassEnabled );
+        ok( usd->QpcBypassEnabled == (SHARED_GLOBAL_FLAGS_QPC_BYPASS_ENABLED|SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_HV_PAGE|SHARED_GLOBAL_FLAGS_QPC_BYPASS_USE_RDTSCP),
+            "unexpected QpcBypassEnabled %x, expected 0x83\n", usd->QpcBypassEnabled );
         ok( usd->QpcFrequency == 10000000, "unexpected QpcFrequency %I64d, expected 10000000\n", usd->QpcFrequency );
-        ok( !usd->u3.s.QpcShift, "unexpected QpcShift %d, expected 0\n", usd->u3.s.QpcShift );
+        ok( !usd->QpcShift, "unexpected QpcShift %d, expected 0\n", usd->QpcShift );
 
         hsd = NULL;
         status = pNtQuerySystemInformation( SystemHypervisorSharedPageInformation, &hsd, sizeof(void *), &len );
@@ -192,7 +190,7 @@ static void test_RtlQueryPerformanceCounter(void)
     }
     else
     {
-        ok( usd->u3.s.QpcShift == 10, "unexpected QpcShift %d, expected 10\n", usd->u3.s.QpcShift );
+        ok( usd->QpcShift == 10, "unexpected QpcShift %d, expected 10\n", usd->QpcShift );
 
         tsc0 = __rdtsc();
         ret = pRtlQueryPerformanceCounter( &counter );
@@ -200,9 +198,9 @@ static void test_RtlQueryPerformanceCounter(void)
         ok( ret, "RtlQueryPerformanceCounter failed\n" );
 
         tsc0 += usd->QpcBias;
-        tsc0 >>= usd->u3.s.QpcShift;
+        tsc0 >>= usd->QpcShift;
         tsc1 += usd->QpcBias;
-        tsc1 >>= usd->u3.s.QpcShift;
+        tsc1 >>= usd->QpcShift;
 
         ok( tsc0 <= counter.QuadPart, "rdtscp %I64d and RtlQueryPerformanceCounter %I64d are out of order\n", tsc0, counter.QuadPart );
         ok( counter.QuadPart <= tsc1, "RtlQueryPerformanceCounter %I64d and rdtscp %I64d are out of order\n", counter.QuadPart, tsc1 );
@@ -422,7 +420,7 @@ static void test_user_shared_data_time(void)
         if (user_shared_data->NtMajorVersion <= 5 && user_shared_data->NtMinorVersion <= 1)
             t2 = (DWORD)((*(volatile ULONG*)&user_shared_data->TickCountLowDeprecated * (ULONG64)user_shared_data->TickCountMultiplier) >> 24);
         else
-            t2 = (DWORD)((read_ksystem_time(&user_shared_data->u.TickCount) * user_shared_data->TickCountMultiplier) >> 24);
+            t2 = (DWORD)((read_ksystem_time(&user_shared_data->TickCount) * user_shared_data->TickCountMultiplier) >> 24);
         t3 = GetTickCount();
     } while(t3 < t1 && i++ < 1); /* allow for wrap, but only once */
 

dlls/ntdll/time.c

@@ -32,7 +32,6 @@
 
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
-#define NONAMELESSUNION
 #include "windef.h"
 #include "winternl.h"
 #include "ddk/wdm.h"
@@ -403,7 +402,7 @@ BOOL WINAPI DECLSPEC_HOTPATCH RtlQueryPerformanceFrequency( LARGE_INTEGER *frequ
 ULONG WINAPI DECLSPEC_HOTPATCH NtGetTickCount(void)
 {
     /* note: we ignore TickCountMultiplier */
-    return user_shared_data->u.TickCount.LowPart;
+    return user_shared_data->TickCount.LowPart;
 }
 
 /***********************************************************************

dlls/ntdll/unix/system.c

@@ -67,7 +67,6 @@
 # include <mach/vm_map.h>
 #endif
 
-#define NONAMELESSUNION
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
 #include "windef.h"
@@ -619,12 +618,12 @@ static BOOL logical_proc_info_ex_add_by_id( LOGICAL_PROCESSOR_RELATIONSHIP rel,
     while (ofs < logical_proc_info_ex_size)
     {
         dataex = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *)((char *)logical_proc_info_ex + ofs);
-        if (rel == RelationProcessorPackage && dataex->Relationship == rel && dataex->u.Processor.Reserved[1] == id)
+        if (rel == RelationProcessorPackage && dataex->Relationship == rel && dataex->Processor.Reserved[1] == id)
         {
-            dataex->u.Processor.GroupMask[0].Mask |= mask;
+            dataex->Processor.GroupMask[0].Mask |= mask;
             return TRUE;
         }
-        else if (rel == RelationProcessorCore && dataex->Relationship == rel && dataex->u.Processor.Reserved[1] == id)
+        else if (rel == RelationProcessorCore && dataex->Relationship == rel && dataex->Processor.Reserved[1] == id)
         {
             return TRUE;
         }
@@ -640,16 +639,16 @@ static BOOL logical_proc_info_ex_add_by_id( LOGICAL_PROCESSOR_RELATIONSHIP rel,
     dataex->Relationship = rel;
     dataex->Size = log_proc_ex_size_plus( sizeof(PROCESSOR_RELATIONSHIP) );
     if (rel == RelationProcessorCore)
-        dataex->u.Processor.Flags = count_bits( mask ) > 1 ? LTP_PC_SMT : 0;
+        dataex->Processor.Flags = count_bits( mask ) > 1 ? LTP_PC_SMT : 0;
     else
-        dataex->u.Processor.Flags = 0;
-    dataex->u.Processor.EfficiencyClass = 0;
-    dataex->u.Processor.GroupCount = 1;
-    dataex->u.Processor.GroupMask[0].Mask = mask;
-    dataex->u.Processor.GroupMask[0].Group = 0;
+        dataex->Processor.Flags = 0;
+    dataex->Processor.EfficiencyClass = 0;
+    dataex->Processor.GroupCount = 1;
+    dataex->Processor.GroupMask[0].Mask = mask;
+    dataex->Processor.GroupMask[0].Group = 0;
     /* mark for future lookup */
-    dataex->u.Processor.Reserved[0] = 0;
-    dataex->u.Processor.Reserved[1] = id;
+    dataex->Processor.Reserved[0] = 0;
+    dataex->Processor.Reserved[1] = id;
 
     logical_proc_info_ex_size += dataex->Size;
     return TRUE;
@@ -668,13 +667,13 @@ static BOOL logical_proc_info_add_by_id( LOGICAL_PROCESSOR_RELATIONSHIP rel, DWO
     for (i = 0; i < logical_proc_info_len; i++)
     {
         if (rel == RelationProcessorPackage && logical_proc_info[i].Relationship == rel
-            && logical_proc_info[i].u.Reserved[1] == id)
+            && logical_proc_info[i].Reserved[1] == id)
         {
             logical_proc_info[i].ProcessorMask |= mask;
             return logical_proc_info_ex_add_by_id( rel, id, mask );
         }
         else if (rel == RelationProcessorCore && logical_proc_info[i].Relationship == rel
-                 && logical_proc_info[i].u.Reserved[1] == id)
+                 && logical_proc_info[i].Reserved[1] == id)
             return logical_proc_info_ex_add_by_id( rel, id, mask );
     }
 
@@ -683,9 +682,9 @@ static BOOL logical_proc_info_add_by_id( LOGICAL_PROCESSOR_RELATIONSHIP rel, DWO
     logical_proc_info[i].Relationship = rel;
     logical_proc_info[i].ProcessorMask = mask;
     if (rel == RelationProcessorCore)
-        logical_proc_info[i].u.ProcessorCore.Flags = count_bits( mask ) > 1 ? LTP_PC_SMT : 0;
-    logical_proc_info[i].u.Reserved[0] = 0;
-    logical_proc_info[i].u.Reserved[1] = id;
+        logical_proc_info[i].ProcessorCore.Flags = count_bits( mask ) > 1 ? LTP_PC_SMT : 0;
+    logical_proc_info[i].Reserved[0] = 0;
+    logical_proc_info[i].Reserved[1] = id;
     logical_proc_info_len = i + 1;
 
     return logical_proc_info_ex_add_by_id( rel, id, mask );
@@ -699,7 +698,7 @@ static BOOL logical_proc_info_add_cache( ULONG_PTR mask, CACHE_DESCRIPTOR *cache
     for (i = 0; i < logical_proc_info_len; i++)
     {
         if (logical_proc_info[i].Relationship==RelationCache && logical_proc_info[i].ProcessorMask==mask
-            && logical_proc_info[i].u.Cache.Level==cache->Level && logical_proc_info[i].u.Cache.Type==cache->Type)
+            && logical_proc_info[i].Cache.Level==cache->Level && logical_proc_info[i].Cache.Type==cache->Type)
             return TRUE;
     }
 
@@ -707,14 +706,14 @@ static BOOL logical_proc_info_add_cache( ULONG_PTR mask, CACHE_DESCRIPTOR *cache
 
     logical_proc_info[i].Relationship = RelationCache;
     logical_proc_info[i].ProcessorMask = mask;
-    logical_proc_info[i].u.Cache = *cache;
+    logical_proc_info[i].Cache = *cache;
     logical_proc_info_len = i + 1;
 
     for (ofs = 0; ofs < logical_proc_info_ex_size; )
     {
         dataex = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *)((char *)logical_proc_info_ex + ofs);
-        if (dataex->Relationship == RelationCache && dataex->u.Cache.GroupMask.Mask == mask
-            && dataex->u.Cache.Level == cache->Level && dataex->u.Cache.Type == cache->Type)
+        if (dataex->Relationship == RelationCache && dataex->Cache.GroupMask.Mask == mask
+            && dataex->Cache.Level == cache->Level && dataex->Cache.Type == cache->Type)
             return TRUE;
         ofs += dataex->Size;
     }
@@ -725,13 +724,13 @@ static BOOL logical_proc_info_add_cache( ULONG_PTR mask, CACHE_DESCRIPTOR *cache
 
     dataex->Relationship = RelationCache;
     dataex->Size = log_proc_ex_size_plus( sizeof(CACHE_RELATIONSHIP) );
-    dataex->u.Cache.Level = cache->Level;
-    dataex->u.Cache.Associativity = cache->Associativity;
-    dataex->u.Cache.LineSize = cache->LineSize;
-    dataex->u.Cache.CacheSize = cache->Size;
-    dataex->u.Cache.Type = cache->Type;
-    dataex->u.Cache.GroupMask.Mask = mask;
-    dataex->u.Cache.GroupMask.Group = 0;
+    dataex->Cache.Level = cache->Level;
+    dataex->Cache.Associativity = cache->Associativity;
+    dataex->Cache.LineSize = cache->LineSize;
+    dataex->Cache.CacheSize = cache->Size;
+    dataex->Cache.Type = cache->Type;
+    dataex->Cache.GroupMask.Mask = mask;
+    dataex->Cache.GroupMask.Group = 0;
 
     logical_proc_info_ex_size += dataex->Size;
 
@@ -746,7 +745,7 @@ static BOOL logical_proc_info_add_numa_node( ULONG_PTR mask, DWORD node_id )
 
     logical_proc_info[logical_proc_info_len].Relationship = RelationNumaNode;
     logical_proc_info[logical_proc_info_len].ProcessorMask = mask;
-    logical_proc_info[logical_proc_info_len].u.NumaNode.NodeNumber = node_id;
+    logical_proc_info[logical_proc_info_len].NumaNode.NodeNumber = node_id;
     ++logical_proc_info_len;
 
     if (!grow_logical_proc_ex_buf( log_proc_ex_size_plus( sizeof(NUMA_NODE_RELATIONSHIP) ))) return FALSE;
@@ -755,9 +754,9 @@ static BOOL logical_proc_info_add_numa_node( ULONG_PTR mask, DWORD node_id )
 
     dataex->Relationship = RelationNumaNode;
     dataex->Size = log_proc_ex_size_plus( sizeof(NUMA_NODE_RELATIONSHIP) );
-    dataex->u.NumaNode.NodeNumber = node_id;
-    dataex->u.NumaNode.GroupMask.Mask = mask;
-    dataex->u.NumaNode.GroupMask.Group = 0;
+    dataex->NumaNode.NodeNumber = node_id;
+    dataex->NumaNode.GroupMask.Mask = mask;
+    dataex->NumaNode.GroupMask.Group = 0;
 
     logical_proc_info_ex_size += dataex->Size;
 
@@ -774,11 +773,11 @@ static BOOL logical_proc_info_add_group( DWORD num_cpus, ULONG_PTR mask )
 
     dataex->Relationship = RelationGroup;
     dataex->Size = log_proc_ex_size_plus( sizeof(GROUP_RELATIONSHIP) );
-    dataex->u.Group.MaximumGroupCount = 1;
-    dataex->u.Group.ActiveGroupCount = 1;
-    dataex->u.Group.GroupInfo[0].MaximumProcessorCount = num_cpus;
-    dataex->u.Group.GroupInfo[0].ActiveProcessorCount = num_cpus;
-    dataex->u.Group.GroupInfo[0].ActiveProcessorMask = mask;
+    dataex->Group.MaximumGroupCount = 1;
+    dataex->Group.ActiveGroupCount = 1;
+    dataex->Group.GroupInfo[0].MaximumProcessorCount = num_cpus;
+    dataex->Group.GroupInfo[0].ActiveProcessorCount = num_cpus;
+    dataex->Group.GroupInfo[0].ActiveProcessorMask = mask;
 
     logical_proc_info_ex_size += dataex->Size;
     return TRUE;
@@ -1259,8 +1258,8 @@ static NTSTATUS create_cpuset_info(SYSTEM_CPU_SET_INFORMATION *info)
     {
         if (proc_info->Relationship == RelationCache)
         {
-            if (max_cache_level < proc_info->u.Cache.Level)
-                max_cache_level = proc_info->u.Cache.Level;
+            if (max_cache_level < proc_info->Cache.Level)
+                max_cache_level = proc_info->Cache.Level;
         }
         proc_info = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *)((BYTE *)proc_info + proc_info->Size);
     }
@@ -1274,45 +1273,45 @@ static NTSTATUS create_cpuset_info(SYSTEM_CPU_SET_INFORMATION *info)
     {
         info[i].Size = sizeof(*info);
         info[i].Type = CpuSetInformation;
-        info[i].u.CpuSet.Id = 0x100 + i;
-        info[i].u.CpuSet.LogicalProcessorIndex = i;
+        info[i].CpuSet.Id = 0x100 + i;
+        info[i].CpuSet.LogicalProcessorIndex = i;
     }
 
     for (i = 0; (char *)proc_info != (char *)logical_proc_info_ex + cpu_info_size; ++i)
     {
         if (proc_info->Relationship == RelationProcessorCore)
         {
-            if (proc_info->u.Processor.GroupCount != 1)
+            if (proc_info->Processor.GroupCount != 1)
             {
-                FIXME("Unsupported group count %u.\n", proc_info->u.Processor.GroupCount);
+                FIXME("Unsupported group count %u.\n", proc_info->Processor.GroupCount);
                 continue;
             }
-            cpu_mask = proc_info->u.Processor.GroupMask[0].Mask;
+            cpu_mask = proc_info->Processor.GroupMask[0].Mask;
             for (j = 0; j < count; ++j)
                 if (((ULONG64)1 << j) & cpu_mask)
                 {
-                    info[j].u.CpuSet.CoreIndex = core_index;
-                    info[j].u.CpuSet.EfficiencyClass = proc_info->u.Processor.EfficiencyClass;
+                    info[j].CpuSet.CoreIndex = core_index;
+                    info[j].CpuSet.EfficiencyClass = proc_info->Processor.EfficiencyClass;
                 }
             ++core_index;
         }
         else if (proc_info->Relationship == RelationCache)
         {
-            if (proc_info->u.Cache.Level == max_cache_level)
+            if (proc_info->Cache.Level == max_cache_level)
             {
-                cpu_mask = proc_info->u.Cache.GroupMask.Mask;
+                cpu_mask = proc_info->Cache.GroupMask.Mask;
                 for (j = 0; j < count; ++j)
                     if (((ULONG64)1 << j) & cpu_mask)
-                        info[j].u.CpuSet.LastLevelCacheIndex = cache_index;
+                        info[j].CpuSet.LastLevelCacheIndex = cache_index;
             }
             ++cache_index;
         }
         else if (proc_info->Relationship == RelationNumaNode)
         {
-            cpu_mask = proc_info->u.NumaNode.GroupMask.Mask;
+            cpu_mask = proc_info->NumaNode.GroupMask.Mask;
             for (j = 0; j < count; ++j)
                 if (((ULONG64)1 << j) & cpu_mask)
-                    info[j].u.CpuSet.NumaNodeIndex = proc_info->u.NumaNode.NodeNumber;
+                    info[j].CpuSet.NumaNodeIndex = proc_info->NumaNode.NodeNumber;
         }
         proc_info = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *)((char *)proc_info + proc_info->Size);
     }

dlls/ntdll/unix/thread.c

@@ -63,8 +63,6 @@
 #include <mach/mach.h>
 #endif
 
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
 #include "winternl.h"
@@ -420,7 +418,7 @@ static NTSTATUS context_to_server( context_t *to, USHORT to_machine, const void
         if (flags & CONTEXT_AMD64_FLOATING_POINT)
         {
             to->flags |= SERVER_CTX_FLOATING_POINT;
-            memcpy( to->fp.x86_64_regs.fpregs, &from->u.FltSave, sizeof(to->fp.x86_64_regs.fpregs) );
+            memcpy( to->fp.x86_64_regs.fpregs, &from->FltSave, sizeof(to->fp.x86_64_regs.fpregs) );
         }
         if (flags & CONTEXT_AMD64_DEBUG_REGISTERS)
         {
@@ -481,8 +479,8 @@ static NTSTATUS context_to_server( context_t *to, USHORT to_machine, const void
             I386_FLOATING_SAVE_AREA fpu;
 
             to->flags |= SERVER_CTX_EXTENDED_REGISTERS | SERVER_CTX_FLOATING_POINT;
-            memcpy( to->ext.i386_regs, &from->u.FltSave, sizeof(to->ext.i386_regs) );
-            fpux_to_fpu( &fpu, &from->u.FltSave );
+            memcpy( to->ext.i386_regs, &from->FltSave, sizeof(to->ext.i386_regs) );
+            fpux_to_fpu( &fpu, &from->FltSave );
             to->fp.i386_regs.ctrl     = fpu.ControlWord;
             to->fp.i386_regs.status   = fpu.StatusWord;
             to->fp.i386_regs.tag      = fpu.TagWord;
@@ -547,7 +545,7 @@ static NTSTATUS context_to_server( context_t *to, USHORT to_machine, const void
         if (flags & CONTEXT_ARM_FLOATING_POINT)
         {
             to->flags |= SERVER_CTX_FLOATING_POINT;
-            for (i = 0; i < 32; i++) to->fp.arm_regs.d[i] = from->u.D[i];
+            for (i = 0; i < 32; i++) to->fp.arm_regs.d[i] = from->D[i];
             to->fp.arm_regs.fpscr = from->Fpscr;
         }
         if (flags & CONTEXT_ARM_DEBUG_REGISTERS)
@@ -569,8 +567,8 @@ static NTSTATUS context_to_server( context_t *to, USHORT to_machine, const void
         if (flags & CONTEXT_ARM64_CONTROL)
         {
             to->flags |= SERVER_CTX_CONTROL;
-            to->integer.arm64_regs.x[29] = from->u.s.Fp;
-            to->integer.arm64_regs.x[30] = from->u.s.Lr;
+            to->integer.arm64_regs.x[29] = from->Fp;
+            to->integer.arm64_regs.x[30] = from->Lr;
             to->ctl.arm64_regs.sp     = from->Sp;
             to->ctl.arm64_regs.pc     = from->Pc;
             to->ctl.arm64_regs.pstate = from->Cpsr;
@@ -578,15 +576,15 @@ static NTSTATUS context_to_server( context_t *to, USHORT to_machine, const void
         if (flags & CONTEXT_ARM64_INTEGER)
         {
             to->flags |= SERVER_CTX_INTEGER;
-            for (i = 0; i <= 28; i++) to->integer.arm64_regs.x[i] = from->u.X[i];
+            for (i = 0; i <= 28; i++) to->integer.arm64_regs.x[i] = from->X[i];
         }
         if (flags & CONTEXT_ARM64_FLOATING_POINT)
         {
             to->flags |= SERVER_CTX_FLOATING_POINT;
             for (i = 0; i < 32; i++)
             {
-                to->fp.arm64_regs.q[i].low = from->V[i].s.Low;
-                to->fp.arm64_regs.q[i].high = from->V[i].s.High;
+                to->fp.arm64_regs.q[i].low = from->V[i].Low;
+                to->fp.arm64_regs.q[i].high = from->V[i].High;
             }
             to->fp.arm64_regs.fpcr = from->Fpcr;
             to->fp.arm64_regs.fpsr = from->Fpsr;
@@ -820,8 +818,8 @@ static NTSTATUS context_from_server( void *dst, const context_t *from, USHORT ma
         if ((from->flags & SERVER_CTX_FLOATING_POINT) && (to_flags & CONTEXT_AMD64_FLOATING_POINT))
         {
             to->ContextFlags |= CONTEXT_AMD64_FLOATING_POINT;
-            memcpy( &to->u.FltSave, from->fp.x86_64_regs.fpregs, sizeof(from->fp.x86_64_regs.fpregs) );
-            to->MxCsr = to->u.FltSave.MxCsr;
+            memcpy( &to->FltSave, from->fp.x86_64_regs.fpregs, sizeof(from->fp.x86_64_regs.fpregs) );
+            to->MxCsr = to->FltSave.MxCsr;
         }
         if ((from->flags & SERVER_CTX_DEBUG_REGISTERS) && (to_flags & CONTEXT_AMD64_DEBUG_REGISTERS))
         {
@@ -887,7 +885,7 @@ static NTSTATUS context_from_server( void *dst, const context_t *from, USHORT ma
         if ((from->flags & SERVER_CTX_EXTENDED_REGISTERS) && (to_flags & CONTEXT_AMD64_FLOATING_POINT))
         {
             to->ContextFlags |= CONTEXT_AMD64_FLOATING_POINT;
-            memcpy( &to->u.FltSave, from->ext.i386_regs, sizeof(to->u.FltSave) );
+            memcpy( &to->FltSave, from->ext.i386_regs, sizeof(to->FltSave) );
         }
         else if ((from->flags & SERVER_CTX_FLOATING_POINT) && (to_flags & CONTEXT_AMD64_FLOATING_POINT))
         {
@@ -903,7 +901,7 @@ static NTSTATUS context_from_server( void *dst, const context_t *from, USHORT ma
             fpu.DataSelector  = from->fp.i386_regs.data_sel;
             fpu.Cr0NpxState   = from->fp.i386_regs.cr0npx;
             memcpy( fpu.RegisterArea, from->fp.i386_regs.regs, sizeof(fpu.RegisterArea) );
-            fpu_to_fpux( &to->u.FltSave, &fpu );
+            fpu_to_fpux( &to->FltSave, &fpu );
         }
         if ((from->flags & SERVER_CTX_DEBUG_REGISTERS) && (to_flags & CONTEXT_AMD64_DEBUG_REGISTERS))
         {
@@ -966,7 +964,7 @@ static NTSTATUS context_from_server( void *dst, const context_t *from, USHORT ma
         if ((from->flags & SERVER_CTX_FLOATING_POINT) && (to_flags & CONTEXT_ARM_FLOATING_POINT))
         {
             to->ContextFlags |= CONTEXT_ARM_FLOATING_POINT;
-            for (i = 0; i < 32; i++) to->u.D[i] = from->fp.arm_regs.d[i];
+            for (i = 0; i < 32; i++) to->D[i] = from->fp.arm_regs.d[i];
             to->Fpscr = from->fp.arm_regs.fpscr;
         }
         if ((from->flags & SERVER_CTX_DEBUG_REGISTERS) && (to_flags & CONTEXT_ARM_DEBUG_REGISTERS))
@@ -988,24 +986,24 @@ static NTSTATUS context_from_server( void *dst, const context_t *from, USHORT ma
         if ((from->flags & SERVER_CTX_CONTROL) && (to_flags & CONTEXT_ARM64_CONTROL))
         {
             to->ContextFlags |= CONTEXT_ARM64_CONTROL;
-            to->u.s.Fp = from->integer.arm64_regs.x[29];
-            to->u.s.Lr = from->integer.arm64_regs.x[30];
-            to->Sp     = from->ctl.arm64_regs.sp;
-            to->Pc     = from->ctl.arm64_regs.pc;
-            to->Cpsr   = from->ctl.arm64_regs.pstate;
+            to->Fp   = from->integer.arm64_regs.x[29];
+            to->Lr   = from->integer.arm64_regs.x[30];
+            to->Sp   = from->ctl.arm64_regs.sp;
+            to->Pc   = from->ctl.arm64_regs.pc;
+            to->Cpsr = from->ctl.arm64_regs.pstate;
         }
         if ((from->flags & SERVER_CTX_INTEGER) && (to_flags & CONTEXT_ARM64_INTEGER))
         {
             to->ContextFlags |= CONTEXT_ARM64_INTEGER;
-            for (i = 0; i <= 28; i++) to->u.X[i] = from->integer.arm64_regs.x[i];
+            for (i = 0; i <= 28; i++) to->X[i] = from->integer.arm64_regs.x[i];
         }
         if ((from->flags & SERVER_CTX_FLOATING_POINT) && (to_flags & CONTEXT_ARM64_FLOATING_POINT))
         {
             to->ContextFlags |= CONTEXT_ARM64_FLOATING_POINT;
             for (i = 0; i < 32; i++)
             {
-                to->V[i].s.Low = from->fp.arm64_regs.q[i].low;
-                to->V[i].s.High = from->fp.arm64_regs.q[i].high;
+                to->V[i].Low = from->fp.arm64_regs.q[i].low;
+                to->V[i].High = from->fp.arm64_regs.q[i].high;
             }
             to->Fpcr = from->fp.arm64_regs.fpcr;
             to->Fpsr = from->fp.arm64_regs.fpsr;