// pg 108
NTSTATUS NTAPI NtMapViewOfSection(
HANDLE SectionHandle,
HANDLE ProcessHandle,
PVOID *BaseAddress,
ULONG ZeroBits,
ULONG CommitSize,
PLARGE_INTEGER SectionOffset,
PULONG ViewSize,
SECTION_INHERIT InheritDisposition,
ULONG AllocationType,
ULONG Protect )
{
process_t *p = NULL;
BYTE *addr = NULL;
NTSTATUS r;
trace("%p %p %p %lu %08lx %p %p %u %08lx %08lx\n",
SectionHandle, ProcessHandle, BaseAddress, ZeroBits, CommitSize,
SectionOffset, ViewSize, InheritDisposition, AllocationType, Protect );
r = process_from_handle( ProcessHandle, &p );
if (r < STATUS_SUCCESS)
return r;
section_t *section = 0;
r = object_from_handle( section, SectionHandle, 0 );
if (r < STATUS_SUCCESS)
return r;
r = copy_from_user( &addr, BaseAddress, sizeof addr );
if (r < STATUS_SUCCESS)
return r;
if (addr)
trace("requested specific address %p\n", addr);
r = verify_for_write( ViewSize, sizeof *ViewSize );
if (r < STATUS_SUCCESS)
return r;
r = section->mapit( p->vm, addr, ZeroBits,
MEM_COMMIT | (AllocationType&MEM_TOP_DOWN), Protect );
if (r < STATUS_SUCCESS)
return r;
r = copy_to_user( BaseAddress, &addr, sizeof addr );
trace("mapped at %p\n", addr );
return r;
}
NTSTATUS NTAPI NtCreateThread(
PHANDLE Thread,
ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes,
HANDLE Process,
PCLIENT_ID ClientId,
PCONTEXT Context,
PINITIAL_TEB InitialTeb,
BOOLEAN CreateSuspended )
{
INITIAL_TEB init_teb;
CONTEXT ctx;
NTSTATUS r;
process_t *p;
thread_t *t = NULL;
CLIENT_ID id;
dprintf("%p %08lx %p %p %p %p %p %d\n", Thread, DesiredAccess, ObjectAttributes,
Process, ClientId, Context, InitialTeb, CreateSuspended);
r = copy_from_user( &ctx, Context, sizeof ctx );
if (r < STATUS_SUCCESS)
return r;
r = copy_from_user( &init_teb, InitialTeb, sizeof init_teb );
if (r < STATUS_SUCCESS)
return r;
r = process_from_handle( Process, &p );
if (r < STATUS_SUCCESS)
return r;
memset( &id, 0, sizeof id );
r = create_thread( &t, p, &id, &ctx, &init_teb, CreateSuspended );
if (r == STATUS_SUCCESS)
{
r = alloc_user_handle( t, DesiredAccess, Thread );
release( t );
}
if (r == STATUS_SUCCESS)
r = copy_to_user( ClientId, &id, sizeof id );
return r;
}
NTSTATUS NTAPI NtUnmapViewOfSection(
HANDLE ProcessHandle,
PVOID BaseAddress )
{
process_t *p = NULL;
NTSTATUS r;
trace("%p %p\n", ProcessHandle, BaseAddress );
r = process_from_handle( ProcessHandle, &p );
if (r < STATUS_SUCCESS)
return r;
r = p->vm->unmap_view( BaseAddress );
return r;
}