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/*
* Win32 memory management functions
*
* Copyright 1997 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winternl.h"
#include "winerror.h"
#include "ddk/wdm.h"
#include "kernelbase.h"
#include "wine/exception.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(heap);
WINE_DECLARE_DEBUG_CHANNEL(virtual);
WINE_DECLARE_DEBUG_CHANNEL(globalmem);
/***********************************************************************
* Virtual memory functions
***********************************************************************/
/***********************************************************************
* FlushViewOfFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FlushViewOfFile( const void *base, SIZE_T size )
{
NTSTATUS status = NtFlushVirtualMemory( GetCurrentProcess(), &base, &size, 0 );
if (status == STATUS_NOT_MAPPED_DATA) status = STATUS_SUCCESS;
return set_ntstatus( status );
}
/***********************************************************************
* GetLargePageMinimum (kernelbase.@)
*/
SIZE_T WINAPI GetLargePageMinimum(void)
{
return 2 * 1024 * 1024;
}
/***********************************************************************
* GetNativeSystemInfo (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH GetNativeSystemInfo( SYSTEM_INFO *si )
{
USHORT current_machine, native_machine;
GetSystemInfo( si );
RtlWow64GetProcessMachines( GetCurrentProcess(), &current_machine, &native_machine );
if (!current_machine) return;
switch (native_machine)
{
case IMAGE_FILE_MACHINE_AMD64:
si->u.s.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_AMD64;
si->dwProcessorType = PROCESSOR_AMD_X8664;
break;
case IMAGE_FILE_MACHINE_ARM64:
si->u.s.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_ARM64;
si->dwProcessorType = 0;
break;
default:
FIXME( "Add the proper information for %x in wow64 mode\n", native_machine );
}
}
/***********************************************************************
* GetSystemInfo (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH GetSystemInfo( SYSTEM_INFO *si )
{
SYSTEM_BASIC_INFORMATION basic_info;
SYSTEM_CPU_INFORMATION cpu_info;
if (!set_ntstatus( NtQuerySystemInformation( SystemBasicInformation,
&basic_info, sizeof(basic_info), NULL )) ||
!set_ntstatus( NtQuerySystemInformation( SystemCpuInformation,
&cpu_info, sizeof(cpu_info), NULL )))
return;
si->u.s.wProcessorArchitecture = cpu_info.ProcessorArchitecture;
si->u.s.wReserved = 0;
si->dwPageSize = basic_info.PageSize;
si->lpMinimumApplicationAddress = basic_info.LowestUserAddress;
si->lpMaximumApplicationAddress = basic_info.HighestUserAddress;
si->dwActiveProcessorMask = basic_info.ActiveProcessorsAffinityMask;
si->dwNumberOfProcessors = basic_info.NumberOfProcessors;
si->dwAllocationGranularity = basic_info.AllocationGranularity;
si->wProcessorLevel = cpu_info.ProcessorLevel;
si->wProcessorRevision = cpu_info.ProcessorRevision;
switch (cpu_info.ProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE_INTEL:
switch (cpu_info.ProcessorLevel)
{
case 3: si->dwProcessorType = PROCESSOR_INTEL_386; break;
case 4: si->dwProcessorType = PROCESSOR_INTEL_486; break;
case 5:
case 6: si->dwProcessorType = PROCESSOR_INTEL_PENTIUM; break;
default: si->dwProcessorType = PROCESSOR_INTEL_PENTIUM; break;
}
break;
case PROCESSOR_ARCHITECTURE_PPC:
switch (cpu_info.ProcessorLevel)
{
case 1: si->dwProcessorType = PROCESSOR_PPC_601; break;
case 3:
case 6: si->dwProcessorType = PROCESSOR_PPC_603; break;
case 4: si->dwProcessorType = PROCESSOR_PPC_604; break;
case 9: si->dwProcessorType = PROCESSOR_PPC_604; break;
case 20: si->dwProcessorType = PROCESSOR_PPC_620; break;
default: si->dwProcessorType = 0;
}
break;
case PROCESSOR_ARCHITECTURE_AMD64:
si->dwProcessorType = PROCESSOR_AMD_X8664;
break;
case PROCESSOR_ARCHITECTURE_ARM:
switch (cpu_info.ProcessorLevel)
{
case 4: si->dwProcessorType = PROCESSOR_ARM_7TDMI; break;
default: si->dwProcessorType = PROCESSOR_ARM920;
}
break;
case PROCESSOR_ARCHITECTURE_ARM64:
si->dwProcessorType = 0;
break;
default:
FIXME( "Unknown processor architecture %x\n", cpu_info.ProcessorArchitecture );
si->dwProcessorType = 0;
break;
}
}
/***********************************************************************
* GetSystemFileCacheSize (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetSystemFileCacheSize( SIZE_T *mincache, SIZE_T *maxcache, DWORD *flags )
{
FIXME( "stub: %p %p %p\n", mincache, maxcache, flags );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* GetWriteWatch (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetWriteWatch( DWORD flags, void *base, SIZE_T size, void **addresses,
ULONG_PTR *count, ULONG *granularity )
{
if (!set_ntstatus( NtGetWriteWatch( GetCurrentProcess(), flags, base, size,
addresses, count, granularity )))
return ~0u;
return 0;
}
/***********************************************************************
* MapViewOfFile (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH MapViewOfFile( HANDLE mapping, DWORD access, DWORD offset_high,
DWORD offset_low, SIZE_T count )
{
return MapViewOfFileEx( mapping, access, offset_high, offset_low, count, NULL );
}
/***********************************************************************
* MapViewOfFileEx (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH MapViewOfFileEx( HANDLE handle, DWORD access, DWORD offset_high,
DWORD offset_low, SIZE_T count, LPVOID addr )
{
NTSTATUS status;
LARGE_INTEGER offset;
ULONG protect;
BOOL exec;
offset.u.LowPart = offset_low;
offset.u.HighPart = offset_high;
exec = access & FILE_MAP_EXECUTE;
access &= ~FILE_MAP_EXECUTE;
if (access == FILE_MAP_COPY)
protect = exec ? PAGE_EXECUTE_WRITECOPY : PAGE_WRITECOPY;
else if (access & FILE_MAP_WRITE)
protect = exec ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
else if (access & FILE_MAP_READ)
protect = exec ? PAGE_EXECUTE_READ : PAGE_READONLY;
else protect = PAGE_NOACCESS;
if ((status = NtMapViewOfSection( handle, GetCurrentProcess(), &addr, 0, 0, &offset,
&count, ViewShare, 0, protect )) < 0)
{
SetLastError( RtlNtStatusToDosError(status) );
addr = NULL;
}
return addr;
}
/***********************************************************************
* MapViewOfFile3 (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH MapViewOfFile3( HANDLE handle, HANDLE process, PVOID baseaddr, ULONG64 offset,
SIZE_T size, ULONG alloc_type, ULONG protection, MEM_EXTENDED_PARAMETER *params, ULONG params_count )
{
LARGE_INTEGER off;
void *addr;
addr = baseaddr;
off.QuadPart = offset;
if (!set_ntstatus( NtMapViewOfSectionEx( handle, process, &addr, &off, &size, alloc_type, protection,
params, params_count )))
{
return NULL;
}
return addr;
}
/***********************************************************************
* ReadProcessMemory (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReadProcessMemory( HANDLE process, const void *addr, void *buffer,
SIZE_T size, SIZE_T *bytes_read )
{
return set_ntstatus( NtReadVirtualMemory( process, addr, buffer, size, bytes_read ));
}
/***********************************************************************
* ResetWriteWatch (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH ResetWriteWatch( void *base, SIZE_T size )
{
if (!set_ntstatus( NtResetWriteWatch( GetCurrentProcess(), base, size )))
return ~0u;
return 0;
}
/***********************************************************************
* SetSystemFileCacheSize (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetSystemFileCacheSize( SIZE_T mincache, SIZE_T maxcache, DWORD flags )
{
FIXME( "stub: %Id %Id %ld\n", mincache, maxcache, flags );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* UnmapViewOfFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH UnmapViewOfFile( const void *addr )
{
if (GetVersion() & 0x80000000)
{
MEMORY_BASIC_INFORMATION info;
if (!VirtualQuery( addr, &info, sizeof(info) ) || info.AllocationBase != addr)
{
SetLastError( ERROR_INVALID_ADDRESS );
return FALSE;
}
}
return set_ntstatus( NtUnmapViewOfSection( GetCurrentProcess(), (void *)addr ));
}
/***********************************************************************
* UnmapViewOfFile2 (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH UnmapViewOfFile2( HANDLE process, void *addr, ULONG flags )
{
return set_ntstatus( NtUnmapViewOfSectionEx( process, addr, flags ));
}
/***********************************************************************
* UnmapViewOfFileEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH UnmapViewOfFileEx( void *addr, ULONG flags )
{
return set_ntstatus( NtUnmapViewOfSectionEx( GetCurrentProcess(), addr, flags ));
}
/***********************************************************************
* VirtualAlloc (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAlloc( void *addr, SIZE_T size, DWORD type, DWORD protect )
{
return VirtualAllocEx( GetCurrentProcess(), addr, size, type, protect );
}
/***********************************************************************
* VirtualAllocEx (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAllocEx( HANDLE process, void *addr, SIZE_T size,
DWORD type, DWORD protect )
{
LPVOID ret = addr;
if (!set_ntstatus( NtAllocateVirtualMemory( process, &ret, 0, &size, type, protect ))) return NULL;
return ret;
}
/***********************************************************************
* VirtualAlloc2 (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAlloc2( HANDLE process, void *addr, SIZE_T size,
DWORD type, DWORD protect,
MEM_EXTENDED_PARAMETER *parameters, ULONG count )
{
LPVOID ret = addr;
if (!process) process = GetCurrentProcess();
if (!set_ntstatus( NtAllocateVirtualMemoryEx( process, &ret, &size, type, protect, parameters, count )))
return NULL;
return ret;
}
/***********************************************************************
* VirtualAllocFromApp (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAllocFromApp( void *addr, SIZE_T size,
DWORD type, DWORD protect )
{
LPVOID ret = addr;
TRACE_(virtual)( "addr %p, size %p, type %#lx, protect %#lx.\n", addr, (void *)size, type, protect );
if (protect == PAGE_EXECUTE || protect == PAGE_EXECUTE_READ || protect == PAGE_EXECUTE_READWRITE
|| protect == PAGE_EXECUTE_WRITECOPY)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
if (!set_ntstatus( NtAllocateVirtualMemory( GetCurrentProcess(), &ret, 0, &size, type, protect ))) return NULL;
return ret;
}
/***********************************************************************
* PrefetchVirtualMemory (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ PrefetchVirtualMemory( HANDLE process, ULONG_PTR count,
WIN32_MEMORY_RANGE_ENTRY *addresses, ULONG flags )
{
FIXME( "process %p, count %p, addresses %p, flags %#lx stub.\n", process, (void *)count, addresses, flags );
return TRUE;
}
/***********************************************************************
* VirtualFree (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH VirtualFree( void *addr, SIZE_T size, DWORD type )
{
return VirtualFreeEx( GetCurrentProcess(), addr, size, type );
}
/***********************************************************************
* VirtualFreeEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH VirtualFreeEx( HANDLE process, void *addr, SIZE_T size, DWORD type )
{
return set_ntstatus( NtFreeVirtualMemory( process, &addr, &size, type ));
}
/***********************************************************************
* VirtualLock (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH VirtualLock( void *addr, SIZE_T size )
{
return set_ntstatus( NtLockVirtualMemory( GetCurrentProcess(), &addr, &size, 1 ));
}
/***********************************************************************
* VirtualProtect (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH VirtualProtect( void *addr, SIZE_T size, DWORD new_prot, DWORD *old_prot )
{
return VirtualProtectEx( GetCurrentProcess(), addr, size, new_prot, old_prot );
}
/***********************************************************************
* VirtualProtectEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH VirtualProtectEx( HANDLE process, void *addr, SIZE_T size,
DWORD new_prot, DWORD *old_prot )
{
DWORD prot;
/* Win9x allows passing NULL as old_prot while this fails on NT */
if (!old_prot && (GetVersion() & 0x80000000)) old_prot = &prot;
return set_ntstatus( NtProtectVirtualMemory( process, &addr, &size, new_prot, old_prot ));
}
/***********************************************************************
* VirtualQuery (kernelbase.@)
*/
SIZE_T WINAPI DECLSPEC_HOTPATCH VirtualQuery( LPCVOID addr, PMEMORY_BASIC_INFORMATION info, SIZE_T len )
{
return VirtualQueryEx( GetCurrentProcess(), addr, info, len );
}
/***********************************************************************
* VirtualQueryEx (kernelbase.@)
*/
SIZE_T WINAPI DECLSPEC_HOTPATCH VirtualQueryEx( HANDLE process, LPCVOID addr,
PMEMORY_BASIC_INFORMATION info, SIZE_T len )
{
SIZE_T ret;
if (!set_ntstatus( NtQueryVirtualMemory( process, addr, MemoryBasicInformation, info, len, &ret )))
return 0;
return ret;
}
/***********************************************************************
* VirtualUnlock (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH VirtualUnlock( void *addr, SIZE_T size )
{
return set_ntstatus( NtUnlockVirtualMemory( GetCurrentProcess(), &addr, &size, 1 ));
}
/***********************************************************************
* WriteProcessMemory (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH WriteProcessMemory( HANDLE process, void *addr, const void *buffer,
SIZE_T size, SIZE_T *bytes_written )
{
return set_ntstatus( NtWriteVirtualMemory( process, addr, buffer, size, bytes_written ));
}
/* IsBadStringPtrA replacement for kernelbase, to catch exception in debug traces. */
BOOL WINAPI IsBadStringPtrA( LPCSTR str, UINT_PTR max )
{
if (!str) return TRUE;
__TRY
{
volatile const char *p = str;
while (p != str + max) if (!*p++) break;
}
__EXCEPT_PAGE_FAULT
{
return TRUE;
}
__ENDTRY
return FALSE;
}
/* IsBadStringPtrW replacement for kernelbase, to catch exception in debug traces. */
BOOL WINAPI IsBadStringPtrW( LPCWSTR str, UINT_PTR max )
{
if (!str) return TRUE;
__TRY
{
volatile const WCHAR *p = str;
while (p != str + max) if (!*p++) break;
}
__EXCEPT_PAGE_FAULT
{
return TRUE;
}
__ENDTRY
return FALSE;
}
/***********************************************************************
* Heap functions
***********************************************************************/
/***********************************************************************
* HeapCompact (kernelbase.@)
*/
SIZE_T WINAPI DECLSPEC_HOTPATCH HeapCompact( HANDLE heap, DWORD flags )
{
return RtlCompactHeap( heap, flags );
}
/***********************************************************************
* HeapCreate (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH HeapCreate( DWORD flags, SIZE_T init_size, SIZE_T max_size )
{
HANDLE ret = RtlCreateHeap( flags, NULL, max_size, init_size, NULL, NULL );
if (!ret) SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return ret;
}
/***********************************************************************
* HeapDestroy (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH HeapDestroy( HANDLE heap )
{
if (!RtlDestroyHeap( heap )) return TRUE;
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/***********************************************************************
* HeapLock (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH HeapLock( HANDLE heap )
{
return RtlLockHeap( heap );
}
/***********************************************************************
* HeapQueryInformation (kernelbase.@)
*/
BOOL WINAPI HeapQueryInformation( HANDLE heap, HEAP_INFORMATION_CLASS info_class,
PVOID info, SIZE_T size, PSIZE_T size_out )
{
return set_ntstatus( RtlQueryHeapInformation( heap, info_class, info, size, size_out ));
}
/***********************************************************************
* HeapSetInformation (kernelbase.@)
*/
BOOL WINAPI HeapSetInformation( HANDLE heap, HEAP_INFORMATION_CLASS infoclass, PVOID info, SIZE_T size )
{
return set_ntstatus( RtlSetHeapInformation( heap, infoclass, info, size ));
}
/***********************************************************************
* HeapUnlock (kernelbase.@)
*/
BOOL WINAPI HeapUnlock( HANDLE heap )
{
return RtlUnlockHeap( heap );
}
/***********************************************************************
* HeapValidate (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH HeapValidate( HANDLE heap, DWORD flags, LPCVOID ptr )
{
return RtlValidateHeap( heap, flags, ptr );
}
/* undocumented RtlWalkHeap structure */
struct rtl_heap_entry
{
LPVOID lpData;
SIZE_T cbData; /* differs from PROCESS_HEAP_ENTRY */
BYTE cbOverhead;
BYTE iRegionIndex;
WORD wFlags; /* value differs from PROCESS_HEAP_ENTRY */
union {
struct {
HANDLE hMem;
DWORD dwReserved[3];
} Block;
struct {
DWORD dwCommittedSize;
DWORD dwUnCommittedSize;
LPVOID lpFirstBlock;
LPVOID lpLastBlock;
} Region;
};
};
/* rtl_heap_entry flags, names made up */
#define RTL_HEAP_ENTRY_BUSY 0x0001
#define RTL_HEAP_ENTRY_REGION 0x0002
#define RTL_HEAP_ENTRY_BLOCK 0x0010
#define RTL_HEAP_ENTRY_UNCOMMITTED 0x1000
#define RTL_HEAP_ENTRY_COMMITTED 0x4000
#define RTL_HEAP_ENTRY_LFH 0x8000
/***********************************************************************
* HeapWalk (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH HeapWalk( HANDLE heap, PROCESS_HEAP_ENTRY *entry )
{
struct rtl_heap_entry rtl_entry = {.lpData = entry->lpData};
NTSTATUS status;
if (!(status = RtlWalkHeap( heap, &rtl_entry )))
{
entry->lpData = rtl_entry.lpData;
entry->cbData = rtl_entry.cbData;
entry->cbOverhead = rtl_entry.cbOverhead;
entry->iRegionIndex = rtl_entry.iRegionIndex;
if (rtl_entry.wFlags & RTL_HEAP_ENTRY_BUSY)
entry->wFlags = PROCESS_HEAP_ENTRY_BUSY;
else if (rtl_entry.wFlags & RTL_HEAP_ENTRY_REGION)
entry->wFlags = PROCESS_HEAP_REGION;
else if (rtl_entry.wFlags & RTL_HEAP_ENTRY_UNCOMMITTED)
entry->wFlags = PROCESS_HEAP_UNCOMMITTED_RANGE;
else
entry->wFlags = 0;
memcpy( &entry->u.Region, &rtl_entry.Region, sizeof(entry->u.Region) );
}
return set_ntstatus( status );
}
/***********************************************************************
* Global/local heap functions
***********************************************************************/
/* not compatible with windows */
struct kernelbase_global_data
{
struct mem_entry *mem_entries;
struct mem_entry *mem_entries_end;
};
#define MEM_FLAG_USED 1
#define MEM_FLAG_MOVEABLE 2
#define MEM_FLAG_DISCARDABLE 4
#define MEM_FLAG_DISCARDED 8
#define MEM_FLAG_DDESHARE 0x8000
struct mem_entry
{
union
{
struct
{
WORD flags;
BYTE lock;
};
void *next_free;
};
void *ptr;
};
C_ASSERT(sizeof(struct mem_entry) == 2 * sizeof(void *));
#define MAX_MEM_HANDLES 0x10000
static struct mem_entry *next_free_mem;
static struct kernelbase_global_data global_data = {0};
/* align the storage needed for the HLOCAL on an 8-byte boundary thus
* LocalAlloc/LocalReAlloc'ing with LMEM_MOVEABLE of memory with
* size = 8*k, where k=1,2,3,... allocs exactly the given size.
* The Minolta DiMAGE Image Viewer heavily relies on this, corrupting
* the output jpeg's > 1 MB if not */
#define HLOCAL_STORAGE (sizeof(HLOCAL) * 2)
static inline struct mem_entry *unsafe_mem_from_HLOCAL( HLOCAL handle )
{
struct mem_entry *mem = CONTAINING_RECORD( handle, struct mem_entry, ptr );
struct kernelbase_global_data *data = &global_data;
if (((UINT_PTR)handle & ((sizeof(void *) << 1) - 1)) != sizeof(void *)) return NULL;
if (mem < data->mem_entries || mem >= data->mem_entries_end) return NULL;
if (!(mem->flags & MEM_FLAG_USED)) return NULL;
return mem;
}
static inline HLOCAL HLOCAL_from_mem( struct mem_entry *mem )
{
if (!mem) return 0;
return &mem->ptr;
}
static inline void *unsafe_ptr_from_HLOCAL( HLOCAL handle )
{
if (((UINT_PTR)handle & ((sizeof(void *) << 1) - 1))) return NULL;
return handle;
}
void init_global_data(void)
{
global_data.mem_entries = VirtualAlloc( NULL, MAX_MEM_HANDLES * sizeof(struct mem_entry), MEM_COMMIT, PAGE_READWRITE );
if (!(next_free_mem = global_data.mem_entries)) ERR( "Failed to allocate kernelbase global handle table\n" );
global_data.mem_entries_end = global_data.mem_entries + MAX_MEM_HANDLES;
}
/***********************************************************************
* KernelBaseGetGlobalData (kernelbase.@)
*/
void *WINAPI KernelBaseGetGlobalData(void)
{
WARN_(globalmem)( "semi-stub!\n" );
return &global_data;
}
/***********************************************************************
* GlobalAlloc (kernelbase.@)
*/
HGLOBAL WINAPI DECLSPEC_HOTPATCH GlobalAlloc( UINT flags, SIZE_T size )
{
struct mem_entry *mem;
HGLOBAL handle;
/* LocalAlloc allows a 0-size fixed block, but GlobalAlloc doesn't */
if (!(flags & GMEM_MOVEABLE) && !size) size = 1;
handle = LocalAlloc( flags, size );
if ((mem = unsafe_mem_from_HLOCAL( handle )) && (flags & GMEM_DDESHARE))
mem->flags |= MEM_FLAG_DDESHARE;
return handle;
}
/***********************************************************************
* GlobalFree (kernelbase.@)
*/
HGLOBAL WINAPI DECLSPEC_HOTPATCH GlobalFree( HLOCAL handle )
{
return LocalFree( handle );
}
/***********************************************************************
* LocalAlloc (kernelbase.@)
*/
HLOCAL WINAPI DECLSPEC_HOTPATCH LocalAlloc( UINT flags, SIZE_T size )
{
HANDLE heap = GetProcessHeap();
struct mem_entry *mem;
DWORD heap_flags = 0;
HLOCAL handle;
void *ptr;
TRACE_(globalmem)( "flags %#x, size %#Ix\n", flags, size );
if (flags & LMEM_ZEROINIT) heap_flags = HEAP_ZERO_MEMORY;
if (!(flags & LMEM_MOVEABLE)) /* pointer */
{
ptr = HeapAlloc( heap, heap_flags, size );
TRACE_(globalmem)( "return %p\n", ptr );
return ptr;
}
RtlLockHeap( heap );
if ((mem = next_free_mem) < global_data.mem_entries || mem >= global_data.mem_entries_end)
mem = NULL;
else
{
if (!mem->next_free) next_free_mem++;
else next_free_mem = mem->next_free;
mem->next_free = NULL;
}
RtlUnlockHeap( heap );
if (!mem) goto failed;
handle = HLOCAL_from_mem( mem );
mem->flags = MEM_FLAG_USED | MEM_FLAG_MOVEABLE;
if (flags & LMEM_DISCARDABLE) mem->flags |= MEM_FLAG_DISCARDABLE;
mem->lock = 0;
mem->ptr = NULL;
if (!size) mem->flags |= MEM_FLAG_DISCARDED;
else
{
if (!(ptr = HeapAlloc( heap, heap_flags, size + HLOCAL_STORAGE ))) goto failed;
*(HLOCAL *)ptr = handle;
mem->ptr = (char *)ptr + HLOCAL_STORAGE;
}
TRACE_(globalmem)( "return handle %p, ptr %p\n", handle, mem->ptr );
return handle;
failed:
if (mem) LocalFree( handle );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return 0;
}
/***********************************************************************
* LocalFree (kernelbase.@)
*/
HLOCAL WINAPI DECLSPEC_HOTPATCH LocalFree( HLOCAL handle )
{
HANDLE heap = GetProcessHeap();
struct mem_entry *mem;
HLOCAL ret = handle;
void *ptr;
TRACE_(globalmem)( "handle %p\n", handle );
RtlLockHeap( heap );
if ((ptr = unsafe_ptr_from_HLOCAL( handle )))
{
if (HeapFree( heap, HEAP_NO_SERIALIZE, ptr )) ret = 0;
}
else if ((mem = unsafe_mem_from_HLOCAL( handle )))
{
if (!mem->ptr || HeapFree( heap, HEAP_NO_SERIALIZE, (char *)mem->ptr - HLOCAL_STORAGE )) ret = 0;
mem->ptr = NULL;
mem->next_free = next_free_mem;
next_free_mem = mem;
}
RtlUnlockHeap( heap );
if (ret)
{
WARN_(globalmem)( "invalid handle %p\n", handle );
SetLastError( ERROR_INVALID_HANDLE );
}
return ret;
}
/***********************************************************************
* LocalLock (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH LocalLock( HLOCAL handle )
{
HANDLE heap = GetProcessHeap();
struct mem_entry *mem;
void *ret = NULL;
TRACE_(globalmem)( "handle %p\n", handle );
if ((ret = unsafe_ptr_from_HLOCAL( handle )))
{
__TRY
{
volatile char *p = ret;
*p |= 0;
}
__EXCEPT_PAGE_FAULT
{
return NULL;
}
__ENDTRY
return ret;
}
RtlLockHeap( heap );
if ((mem = unsafe_mem_from_HLOCAL( handle )))
{
if (!(ret = mem->ptr)) SetLastError( ERROR_DISCARDED );
else if (!++mem->lock) mem->lock--;
}
else
{
WARN_(globalmem)( "invalid handle %p\n", handle );
SetLastError( ERROR_INVALID_HANDLE );
}
RtlUnlockHeap( heap );
return ret;
}
/***********************************************************************
* LocalReAlloc (kernelbase.@)
*/
HLOCAL WINAPI DECLSPEC_HOTPATCH LocalReAlloc( HLOCAL handle, SIZE_T size, UINT flags )
{
struct mem_entry *mem;
HLOCAL ret = 0;
DWORD heap_flags = (flags & LMEM_ZEROINIT) ? HEAP_ZERO_MEMORY : 0;
void *ptr;
TRACE_(globalmem)( "handle %p, size %#Ix, flags %#x\n", handle, size, flags );
RtlLockHeap( GetProcessHeap() );
if (flags & LMEM_MODIFY) /* modify flags */
{
if (unsafe_ptr_from_HLOCAL( handle ) && (flags & LMEM_MOVEABLE))
{
/* make a fixed block moveable
* actually only NT is able to do this. But it's soo simple
*/
if (handle == 0)
{
WARN_(globalmem)( "null handle\n" );
SetLastError( ERROR_NOACCESS );
}
else
{
size = RtlSizeHeap( GetProcessHeap(), 0, handle );
ret = LocalAlloc( flags, size );
ptr = LocalLock( ret );
memcpy( ptr, handle, size );
LocalUnlock( ret );
LocalFree( handle );
}
}
else if ((mem = unsafe_mem_from_HLOCAL( handle )) && (flags & LMEM_DISCARDABLE))
{
/* change the flags to make our block "discardable" */
mem->flags |= LMEM_DISCARDABLE >> 8;
ret = handle;
}
else SetLastError( ERROR_INVALID_PARAMETER );
}
else
{
if ((ptr = unsafe_ptr_from_HLOCAL( handle )))
{
/* reallocate fixed memory */
if (!(flags & LMEM_MOVEABLE)) heap_flags |= HEAP_REALLOC_IN_PLACE_ONLY;
ret = HeapReAlloc( GetProcessHeap(), heap_flags, ptr, size );
}
else if ((mem = unsafe_mem_from_HLOCAL( handle )))
{
/* reallocate a moveable block */
if (size != 0)
{
if (size <= INT_MAX - HLOCAL_STORAGE)
{
if (mem->ptr)
{
if ((ptr = HeapReAlloc( GetProcessHeap(), heap_flags, (char *)mem->ptr - HLOCAL_STORAGE,
size + HLOCAL_STORAGE )))
{
mem->ptr = (char *)ptr + HLOCAL_STORAGE;
ret = handle;
}
}
else
{
if ((ptr = HeapAlloc( GetProcessHeap(), heap_flags, size + HLOCAL_STORAGE )))
{
*(HLOCAL *)ptr = handle;
mem->ptr = (char *)ptr + HLOCAL_STORAGE;
ret = handle;
}
}
}
else SetLastError( ERROR_OUTOFMEMORY );
}
else
{
if (mem->lock == 0)
{
if (mem->ptr)
{
HeapFree( GetProcessHeap(), 0, (char *)mem->ptr - HLOCAL_STORAGE );
mem->ptr = NULL;
}
ret = handle;
}
else WARN_(globalmem)( "not freeing memory associated with locked handle\n" );
}
}
else SetLastError( ERROR_INVALID_HANDLE );
}
RtlUnlockHeap( GetProcessHeap() );
return ret;
}
/***********************************************************************
* LocalUnlock (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH LocalUnlock( HLOCAL handle )
{
HANDLE heap = GetProcessHeap();
struct mem_entry *mem;
BOOL ret = FALSE;
TRACE_(globalmem)( "handle %p\n", handle );
if (unsafe_ptr_from_HLOCAL( handle ))
{
SetLastError( ERROR_NOT_LOCKED );
return FALSE;
}
RtlLockHeap( heap );
if ((mem = unsafe_mem_from_HLOCAL( handle )))
{
if (mem->lock)
{
ret = (--mem->lock != 0);
if (!ret) SetLastError( NO_ERROR );
}
else
{
WARN_(globalmem)( "handle %p not locked\n", handle );
SetLastError( ERROR_NOT_LOCKED );
}
}
else
{
WARN_(globalmem)( "invalid handle %p\n", handle );
SetLastError( ERROR_INVALID_HANDLE );
}
RtlUnlockHeap( heap );
return ret;
}
/***********************************************************************
* Memory resource functions
***********************************************************************/
/***********************************************************************
* CreateMemoryResourceNotification (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMemoryResourceNotification( MEMORY_RESOURCE_NOTIFICATION_TYPE type )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
switch (type)
{
case LowMemoryResourceNotification:
RtlInitUnicodeString( &nameW, L"\\KernelObjects\\LowMemoryCondition" );
break;
case HighMemoryResourceNotification:
RtlInitUnicodeString( &nameW, L"\\KernelObjects\\HighMemoryCondition" );
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
InitializeObjectAttributes( &attr, &nameW, 0, 0, NULL );
if (!set_ntstatus( NtOpenEvent( &ret, EVENT_ALL_ACCESS, &attr ))) return 0;
return ret;
}
/***********************************************************************
* QueryMemoryResourceNotification (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryMemoryResourceNotification( HANDLE handle, BOOL *state )
{
switch (WaitForSingleObject( handle, 0 ))
{
case WAIT_OBJECT_0:
*state = TRUE;
return TRUE;
case WAIT_TIMEOUT:
*state = FALSE;
return TRUE;
}
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/***********************************************************************
* Physical memory functions
***********************************************************************/
/***********************************************************************
* AllocateUserPhysicalPages (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH AllocateUserPhysicalPages( HANDLE process, ULONG_PTR *pages,
ULONG_PTR *userarray )
{
FIXME( "stub: %p %p %p\n", process, pages, userarray );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* FreeUserPhysicalPages (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FreeUserPhysicalPages( HANDLE process, ULONG_PTR *pages,
ULONG_PTR *userarray )
{
FIXME( "stub: %p %p %p\n", process, pages, userarray );
*pages = 0;
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* GetPhysicallyInstalledSystemMemory (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetPhysicallyInstalledSystemMemory( ULONGLONG *memory )
{
MEMORYSTATUSEX status;
if (!memory)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
status.dwLength = sizeof(status);
GlobalMemoryStatusEx( &status );
*memory = status.ullTotalPhys / 1024;
return TRUE;
}
/***********************************************************************
* GlobalMemoryStatusEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GlobalMemoryStatusEx( MEMORYSTATUSEX *status )
{
static MEMORYSTATUSEX cached_status;
static DWORD last_check;
SYSTEM_BASIC_INFORMATION basic_info;
SYSTEM_PERFORMANCE_INFORMATION perf_info;
VM_COUNTERS_EX vmc;
if (status->dwLength != sizeof(*status))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((NtGetTickCount() - last_check) < 1000)
{
*status = cached_status;
return TRUE;
}
last_check = NtGetTickCount();
if (!set_ntstatus( NtQuerySystemInformation( SystemBasicInformation,
&basic_info, sizeof(basic_info), NULL )) ||
!set_ntstatus( NtQuerySystemInformation( SystemPerformanceInformation,
&perf_info, sizeof(perf_info), NULL)) ||
!set_ntstatus( NtQueryInformationProcess( GetCurrentProcess(), ProcessVmCounters,
&vmc, sizeof(vmc), NULL )))
return FALSE;
status->dwMemoryLoad = 0;
status->ullTotalPhys = basic_info.MmNumberOfPhysicalPages;
status->ullAvailPhys = perf_info.AvailablePages;
status->ullTotalPageFile = perf_info.TotalCommitLimit;
status->ullAvailPageFile = status->ullTotalPageFile - perf_info.TotalCommittedPages;
status->ullTotalVirtual = (ULONG_PTR)basic_info.HighestUserAddress - (ULONG_PTR)basic_info.LowestUserAddress + 1;
status->ullAvailVirtual = status->ullTotalVirtual - (ULONGLONG)vmc.WorkingSetSize /* approximate */;
status->ullAvailExtendedVirtual = 0;
status->ullTotalPhys *= basic_info.PageSize;
status->ullAvailPhys *= basic_info.PageSize;
status->ullTotalPageFile *= basic_info.PageSize;
status->ullAvailPageFile *= basic_info.PageSize;
if (status->ullTotalPhys)
status->dwMemoryLoad = (status->ullTotalPhys - status->ullAvailPhys) / (status->ullTotalPhys / 100);
TRACE_(virtual)( "MemoryLoad %ld, TotalPhys %s, AvailPhys %s, TotalPageFile %s,"
"AvailPageFile %s, TotalVirtual %s, AvailVirtual %s\n",
status->dwMemoryLoad, wine_dbgstr_longlong(status->ullTotalPhys),
wine_dbgstr_longlong(status->ullAvailPhys), wine_dbgstr_longlong(status->ullTotalPageFile),
wine_dbgstr_longlong(status->ullAvailPageFile), wine_dbgstr_longlong(status->ullTotalVirtual),
wine_dbgstr_longlong(status->ullAvailVirtual) );
cached_status = *status;
return TRUE;
}
/***********************************************************************
* MapUserPhysicalPages (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH MapUserPhysicalPages( void *addr, ULONG_PTR page_count, ULONG_PTR *pages )
{
FIXME( "stub: %p %Iu %p\n", addr, page_count, pages );
*pages = 0;
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* NUMA functions
***********************************************************************/
/***********************************************************************
* AllocateUserPhysicalPagesNuma (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH AllocateUserPhysicalPagesNuma( HANDLE process, ULONG_PTR *pages,
ULONG_PTR *userarray, DWORD node )
{
if (node) FIXME( "Ignoring preferred node %lu\n", node );
return AllocateUserPhysicalPages( process, pages, userarray );
}
/***********************************************************************
* CreateFileMappingNumaW (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileMappingNumaW( HANDLE file, LPSECURITY_ATTRIBUTES sa,
DWORD protect, DWORD size_high, DWORD size_low,
LPCWSTR name, DWORD node )
{
if (node) FIXME( "Ignoring preferred node %lu\n", node );
return CreateFileMappingW( file, sa, protect, size_high, size_low, name );
}
/***********************************************************************
* GetLogicalProcessorInformation (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetLogicalProcessorInformation( SYSTEM_LOGICAL_PROCESSOR_INFORMATION *buffer,
DWORD *len )
{
NTSTATUS status;
if (!len)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
status = NtQuerySystemInformation( SystemLogicalProcessorInformation, buffer, *len, len );
if (status == STATUS_INFO_LENGTH_MISMATCH) status = STATUS_BUFFER_TOO_SMALL;
return set_ntstatus( status );
}
/***********************************************************************
* GetLogicalProcessorInformationEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetLogicalProcessorInformationEx( LOGICAL_PROCESSOR_RELATIONSHIP relationship,
SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *buffer, DWORD *len )
{
NTSTATUS status;
if (!len)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
status = NtQuerySystemInformationEx( SystemLogicalProcessorInformationEx, &relationship,
sizeof(relationship), buffer, *len, len );
if (status == STATUS_INFO_LENGTH_MISMATCH) status = STATUS_BUFFER_TOO_SMALL;
return set_ntstatus( status );
}
/***********************************************************************
* GetSystemCpuSetInformation (kernelbase.@)
*/
BOOL WINAPI GetSystemCpuSetInformation(SYSTEM_CPU_SET_INFORMATION *info, ULONG buffer_length, ULONG *return_length,
HANDLE process, ULONG flags)
{
if (flags)
FIXME("Unsupported flags %#lx.\n", flags);
*return_length = 0;
return set_ntstatus( NtQuerySystemInformationEx( SystemCpuSetInformation, &process, sizeof(process), info,
buffer_length, return_length ));
}
/***********************************************************************
* SetThreadSelectedCpuSets (kernelbase.@)
*/
BOOL WINAPI SetThreadSelectedCpuSets(HANDLE thread, const ULONG *cpu_set_ids, ULONG count)
{
FIXME( "thread %p, cpu_set_ids %p, count %lu stub.\n", thread, cpu_set_ids, count );
return TRUE;
}
/**********************************************************************
* GetNumaHighestNodeNumber (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetNumaHighestNodeNumber( ULONG *node )
{
FIXME( "semi-stub: %p\n", node );
*node = 0;
return TRUE;
}
/**********************************************************************
* GetNumaNodeProcessorMaskEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetNumaNodeProcessorMaskEx( USHORT node, GROUP_AFFINITY *mask )
{
FIXME( "stub: %hu %p\n", node, mask );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* GetNumaProximityNodeEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetNumaProximityNodeEx( ULONG proximity_id, USHORT *node )
{
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* MapViewOfFileExNuma (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH MapViewOfFileExNuma( HANDLE handle, DWORD access, DWORD offset_high,
DWORD offset_low, SIZE_T count, LPVOID addr,
DWORD node )
{
if (node) FIXME( "Ignoring preferred node %lu\n", node );
return MapViewOfFileEx( handle, access, offset_high, offset_low, count, addr );
}
/***********************************************************************
* VirtualAllocExNuma (kernelbase.@)
*/
LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAllocExNuma( HANDLE process, void *addr, SIZE_T size,
DWORD type, DWORD protect, DWORD node )
{
if (node) FIXME( "Ignoring preferred node %lu\n", node );
return VirtualAllocEx( process, addr, size, type, protect );
}
/***********************************************************************
* CPU functions
***********************************************************************/
#if defined(__i386__) || defined(__x86_64__)
/***********************************************************************
* GetEnabledXStateFeatures (kernelbase.@)
*/
DWORD64 WINAPI GetEnabledXStateFeatures(void)
{
TRACE( "\n" );
return RtlGetEnabledExtendedFeatures( ~(ULONG64)0 );
}
/***********************************************************************
* InitializeContext2 (kernelbase.@)
*/
BOOL WINAPI InitializeContext2( void *buffer, DWORD context_flags, CONTEXT **context, DWORD *length,
ULONG64 compaction_mask )
{
ULONG orig_length;
NTSTATUS status;
TRACE( "buffer %p, context_flags %#lx, context %p, ret_length %p, compaction_mask %s.\n",
buffer, context_flags, context, length, wine_dbgstr_longlong(compaction_mask) );
orig_length = *length;
if ((status = RtlGetExtendedContextLength2( context_flags, length, compaction_mask )))
{
if (status == STATUS_NOT_SUPPORTED && context_flags & 0x40)
{
context_flags &= ~0x40;
status = RtlGetExtendedContextLength2( context_flags, length, compaction_mask );
}
if (status)
return set_ntstatus( status );
}
if (!buffer || orig_length < *length)
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
if ((status = RtlInitializeExtendedContext2( buffer, context_flags, (CONTEXT_EX **)context, compaction_mask )))
return set_ntstatus( status );
*context = (CONTEXT *)((BYTE *)*context + (*(CONTEXT_EX **)context)->Legacy.Offset);
return TRUE;
}
/***********************************************************************
* InitializeContext (kernelbase.@)
*/
BOOL WINAPI InitializeContext( void *buffer, DWORD context_flags, CONTEXT **context, DWORD *length )
{
return InitializeContext2( buffer, context_flags, context, length, ~(ULONG64)0 );
}
/***********************************************************************
* CopyContext (kernelbase.@)
*/
BOOL WINAPI CopyContext( CONTEXT *dst, DWORD context_flags, CONTEXT *src )
{
return set_ntstatus( RtlCopyContext( dst, context_flags, src ));
}
#endif
#if defined(__x86_64__)
/***********************************************************************
* LocateXStateFeature (kernelbase.@)
*/
void * WINAPI LocateXStateFeature( CONTEXT *context, DWORD feature_id, DWORD *length )
{
if (!(context->ContextFlags & CONTEXT_AMD64))
return NULL;
if (feature_id >= 2)
return ((context->ContextFlags & CONTEXT_XSTATE) == CONTEXT_XSTATE)
? RtlLocateExtendedFeature( (CONTEXT_EX *)(context + 1), feature_id, length ) : NULL;
if (feature_id == 1)
{
if (length)
*length = sizeof(M128A) * 16;
return &context->u.FltSave.XmmRegisters;
}
if (length)
*length = offsetof(XSAVE_FORMAT, XmmRegisters);
return &context->u.FltSave;
}
/***********************************************************************
* SetXStateFeaturesMask (kernelbase.@)
*/
BOOL WINAPI SetXStateFeaturesMask( CONTEXT *context, DWORD64 feature_mask )
{
if (!(context->ContextFlags & CONTEXT_AMD64))
return FALSE;
if (feature_mask & 0x3)
context->ContextFlags |= CONTEXT_FLOATING_POINT;
if ((context->ContextFlags & CONTEXT_XSTATE) != CONTEXT_XSTATE)
return !(feature_mask & ~(DWORD64)3);
RtlSetExtendedFeaturesMask( (CONTEXT_EX *)(context + 1), feature_mask );
return TRUE;
}
/***********************************************************************
* GetXStateFeaturesMask (kernelbase.@)
*/
BOOL WINAPI GetXStateFeaturesMask( CONTEXT *context, DWORD64 *feature_mask )
{
if (!(context->ContextFlags & CONTEXT_AMD64))
return FALSE;
*feature_mask = (context->ContextFlags & CONTEXT_FLOATING_POINT) == CONTEXT_FLOATING_POINT
? 3 : 0;
if ((context->ContextFlags & CONTEXT_XSTATE) == CONTEXT_XSTATE)
*feature_mask |= RtlGetExtendedFeaturesMask( (CONTEXT_EX *)(context + 1) );
return TRUE;
}
#elif defined(__i386__)
/***********************************************************************
* LocateXStateFeature (kernelbase.@)
*/
void * WINAPI LocateXStateFeature( CONTEXT *context, DWORD feature_id, DWORD *length )
{
if (!(context->ContextFlags & CONTEXT_i386))
return NULL;
if (feature_id >= 2)
return ((context->ContextFlags & CONTEXT_XSTATE) == CONTEXT_XSTATE)
? RtlLocateExtendedFeature( (CONTEXT_EX *)(context + 1), feature_id, length ) : NULL;
if (feature_id == 1)
{
if (length)
*length = sizeof(M128A) * 8;
return (BYTE *)&context->ExtendedRegisters + offsetof(XSAVE_FORMAT, XmmRegisters);
}
if (length)
*length = offsetof(XSAVE_FORMAT, XmmRegisters);
return &context->ExtendedRegisters;
}
/***********************************************************************
* SetXStateFeaturesMask (kernelbase.@)
*/
BOOL WINAPI SetXStateFeaturesMask( CONTEXT *context, DWORD64 feature_mask )
{
if (!(context->ContextFlags & CONTEXT_i386))
return FALSE;
if (feature_mask & 0x3)
context->ContextFlags |= CONTEXT_EXTENDED_REGISTERS;
if ((context->ContextFlags & CONTEXT_XSTATE) != CONTEXT_XSTATE)
return !(feature_mask & ~(DWORD64)3);
RtlSetExtendedFeaturesMask( (CONTEXT_EX *)(context + 1), feature_mask );
return TRUE;
}
/***********************************************************************
* GetXStateFeaturesMask (kernelbase.@)
*/
BOOL WINAPI GetXStateFeaturesMask( CONTEXT *context, DWORD64 *feature_mask )
{
if (!(context->ContextFlags & CONTEXT_i386))
return FALSE;
*feature_mask = (context->ContextFlags & CONTEXT_EXTENDED_REGISTERS) == CONTEXT_EXTENDED_REGISTERS
? 3 : 0;
if ((context->ContextFlags & CONTEXT_XSTATE) == CONTEXT_XSTATE)
*feature_mask |= RtlGetExtendedFeaturesMask( (CONTEXT_EX *)(context + 1) );
return TRUE;
}
#endif
/***********************************************************************
* Firmware functions
***********************************************************************/
/***********************************************************************
* EnumSystemFirmwareTable (kernelbase.@)
*/
UINT WINAPI EnumSystemFirmwareTables( DWORD provider, void *buffer, DWORD size )
{
FIXME( "(0x%08lx, %p, %ld)\n", provider, buffer, size );
return 0;
}
/***********************************************************************
* GetSystemFirmwareTable (kernelbase.@)
*/
UINT WINAPI GetSystemFirmwareTable( DWORD provider, DWORD id, void *buffer, DWORD size )
{
SYSTEM_FIRMWARE_TABLE_INFORMATION *info;
ULONG buffer_size = offsetof( SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer ) + size;
TRACE( "(0x%08lx, 0x%08lx, %p, %ld)\n", provider, id, buffer, size );
if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, buffer_size )))
{
SetLastError( ERROR_OUTOFMEMORY );
return 0;
}
info->ProviderSignature = provider;
info->Action = SystemFirmwareTable_Get;
info->TableID = id;
set_ntstatus( NtQuerySystemInformation( SystemFirmwareTableInformation,
info, buffer_size, &buffer_size ));
buffer_size -= offsetof( SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer );
if (buffer_size <= size) memcpy( buffer, info->TableBuffer, buffer_size );
HeapFree( GetProcessHeap(), 0, info );
return buffer_size;
}
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