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ntdll: Support specified alignment in NtAllocateVirtualMemoryEx().

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This commit is contained in:
Paul Gofman 2022-10-06 21:10:56 -05:00 committed by Alexandre Julliard
parent bf9dc3ff1f
commit 17328f4f5c
6 changed files with 69 additions and 9 deletions
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42
dlls/ntdll/tests/virtual.c
View File

@ -584,6 +584,48 @@ static void test_NtAllocateVirtualMemoryEx_address_requirements(void)
size = 0;
status = NtFreeVirtualMemory(NtCurrentProcess(), &addr, &size, MEM_RELEASE);
ok(!status, "Unexpected status %08lx.\n", status);
a.HighestEndingAddress = (void *)(0x20001000 - 1);
a.Alignment = 0x20000000;
size = 0x2000;
addr = NULL;
status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr, &size, MEM_RESERVE,
PAGE_EXECUTE_READWRITE, ext, 1);
ok(status == STATUS_NO_MEMORY, "Unexpected status %08lx.\n", status);
a.HighestEndingAddress = NULL;
a.Alignment = 0x8000;
size = 0x1000;
addr = NULL;
status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr, &size, MEM_RESERVE,
PAGE_EXECUTE_READWRITE, ext, 1);
ok(status == STATUS_INVALID_PARAMETER, "Unexpected status %08lx.\n", status);
a.Alignment = 0x30000;
size = 0x1000;
addr = NULL;
status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr, &size, MEM_RESERVE,
PAGE_EXECUTE_READWRITE, ext, 1);
ok(status == STATUS_INVALID_PARAMETER, "Unexpected status %08lx.\n", status);
a.Alignment = 0x40000;
size = 0x1000;
addr = NULL;
status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr, &size, MEM_RESERVE,
PAGE_EXECUTE_READWRITE, ext, 1);
ok(!status, "Unexpected status %08lx.\n", status);
ok(!((ULONG_PTR)addr & 0x3ffff), "Unexpected addr %p.\n", addr);
status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr, &size, MEM_COMMIT,
PAGE_EXECUTE_READWRITE, ext, 1);
ok(status == STATUS_INVALID_PARAMETER, "Unexpected status %08lx.\n", status);
size = 0;
status = NtFreeVirtualMemory(NtCurrentProcess(), &addr, &size, MEM_RELEASE);
ok(!status, "Unexpected status %08lx.\n", status);
status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr, &size, MEM_RESERVE,
PAGE_EXECUTE_READWRITE, ext, 1);
ok(status == STATUS_INVALID_PARAMETER, "Unexpected status %08lx.\n", status);
}
struct test_stack_size_thread_args

7
dlls/ntdll/unix/server.c
View File

@ -358,7 +358,7 @@ static NTSTATUS invoke_user_apc( CONTEXT *context, const user_apc_t *apc, NTSTAT
*/
static void invoke_system_apc( const apc_call_t *call, apc_result_t *result, BOOL self )
{
SIZE_T size, bits, limit;
SIZE_T size, bits, limit, align;
void *addr;
memset( result, 0, sizeof(*result) );
@ -416,9 +416,12 @@ static void invoke_system_apc( const apc_call_t *call, apc_result_t *result, BOO
addr = wine_server_get_ptr( call->virtual_alloc_ex.addr );
size = call->virtual_alloc_ex.size;
limit = min( (ULONG_PTR)sbi.HighestUserAddress, call->virtual_alloc_ex.limit );
if ((ULONG_PTR)addr == call->virtual_alloc_ex.addr && size == call->virtual_alloc_ex.size)
align = call->virtual_alloc_ex.align;
if ((ULONG_PTR)addr == call->virtual_alloc_ex.addr && size == call->virtual_alloc_ex.size
&& align == call->virtual_alloc_ex.align)
{
r.HighestEndingAddress = (void *)limit;
r.Alignment = align;
result->virtual_alloc_ex.status = NtAllocateVirtualMemoryEx( NtCurrentProcess(), &addr, &size,
call->virtual_alloc_ex.op_type,
call->virtual_alloc_ex.prot, &ext, 1 );

24
dlls/ntdll/unix/virtual.c
View File

@ -3738,7 +3738,7 @@ void virtual_set_large_address_space(void)
* NtAllocateVirtualMemory[Ex] implementation.
*/
static NTSTATUS allocate_virtual_memory( void **ret, SIZE_T *size_ptr, ULONG type, ULONG protect,
ULONG_PTR limit )
ULONG_PTR limit, ULONG_PTR align )
{
void *base;
unsigned int vprot;
@ -3800,7 +3800,7 @@ static NTSTATUS allocate_virtual_memory( void **ret, SIZE_T *size_ptr, ULONG typ
if (vprot & VPROT_WRITECOPY) status = STATUS_INVALID_PAGE_PROTECTION;
else if (is_dos_memory) status = allocate_dos_memory( &view, vprot );
else status = map_view( &view, base, size, type & MEM_TOP_DOWN, vprot, limit,
granularity_mask );
align ? align - 1 : granularity_mask );
if (status == STATUS_SUCCESS) base = view->base;
}
@ -3888,7 +3888,7 @@ NTSTATUS WINAPI NtAllocateVirtualMemory( HANDLE process, PVOID *ret, ULONG_PTR z
else
limit = 0;
return allocate_virtual_memory( ret, size_ptr, type, protect, limit );
return allocate_virtual_memory( ret, size_ptr, type, protect, limit, 0 );
}
@ -3901,6 +3901,7 @@ NTSTATUS WINAPI NtAllocateVirtualMemoryEx( HANDLE process, PVOID *ret, SIZE_T *s
ULONG count )
{
ULONG_PTR limit = 0;
ULONG_PTR align = 0;
TRACE("%p %p %08lx %x %08x %p %u\n", process, *ret, *size_ptr, type, protect, parameters, count );
@ -3930,17 +3931,27 @@ NTSTATUS WINAPI NtAllocateVirtualMemoryEx( HANDLE process, PVOID *ret, SIZE_T *s
}
r = (MEM_ADDRESS_REQUIREMENTS *)parameters[i].Pointer;
if (r->LowestStartingAddress || r->Alignment)
if (r->LowestStartingAddress)
FIXME( "Not supported requirements LowestStartingAddress %p, Alignment %p.\n",
r->LowestStartingAddress, (void *)r->Alignment );
if (r->Alignment)
{
if (*ret || (r->Alignment & (r->Alignment - 1)) || r->Alignment - 1 < granularity_mask)
{
WARN( "Invalid alignment %lu.\n", r->Alignment );
return STATUS_INVALID_PARAMETER;
}
align = r->Alignment;
}
limit = (ULONG_PTR)r->HighestEndingAddress;
if (limit && (*ret || limit > (ULONG_PTR)user_space_limit || ((limit + 1) & (page_mask - 1))))
{
WARN( "Invalid limit %p.\n", r->HighestEndingAddress);
return STATUS_INVALID_PARAMETER;
}
TRACE( "limit %p.\n", (void *)limit );
TRACE( "limit %p, align %p.\n", (void *)limit, (void *)align );
}
}
@ -3958,6 +3969,7 @@ NTSTATUS WINAPI NtAllocateVirtualMemoryEx( HANDLE process, PVOID *ret, SIZE_T *s
call.virtual_alloc_ex.addr = wine_server_client_ptr( *ret );
call.virtual_alloc_ex.size = *size_ptr;
call.virtual_alloc_ex.limit = limit;
call.virtual_alloc_ex.align = align;
call.virtual_alloc_ex.op_type = type;
call.virtual_alloc_ex.prot = protect;
status = server_queue_process_apc( process, &call, &result );
@ -3971,7 +3983,7 @@ NTSTATUS WINAPI NtAllocateVirtualMemoryEx( HANDLE process, PVOID *ret, SIZE_T *s
return result.virtual_alloc_ex.status;
}
return allocate_virtual_memory( ret, size_ptr, type, protect, limit );
return allocate_virtual_memory( ret, size_ptr, type, protect, limit, align );
}

3
include/wine/server_protocol.h
View File

@ -526,6 +526,7 @@ typedef union
client_ptr_t addr;
mem_size_t size;
mem_size_t limit;
mem_size_t align;
unsigned int prot;
} virtual_alloc_ex;
struct
@ -6355,7 +6356,7 @@ union generic_reply
/* ### protocol_version begin ### */
#define SERVER_PROTOCOL_VERSION 757
#define SERVER_PROTOCOL_VERSION 758
/* ### protocol_version end ### */

1
server/protocol.def
View File

@ -542,6 +542,7 @@ typedef union
client_ptr_t addr; /* requested address */
mem_size_t size; /* allocation size */
mem_size_t limit; /* allocation address limit */
mem_size_t align; /* allocation alignment */
unsigned int prot; /* memory protection flags */
} virtual_alloc_ex;
struct

1
server/trace.c
View File

@ -193,6 +193,7 @@ static void dump_apc_call( const char *prefix, const apc_call_t *call )
dump_uint64( "APC_VIRTUAL_ALLOC,addr==", &call->virtual_alloc_ex.addr );
dump_uint64( ",size=", &call->virtual_alloc_ex.size );
dump_uint64( ",limit=", &call->virtual_alloc_ex.limit );
dump_uint64( ",align=", &call->virtual_alloc_ex.align );
fprintf( stderr, ",op_type=%x,prot=%x", call->virtual_alloc_ex.op_type, call->virtual_alloc_ex.prot );
break;
case APC_VIRTUAL_FREE: