ntdll: Export _chkstk from importlib.

dlls/kernel32/kernel32.spec

@@ -1640,7 +1640,7 @@
 @ stdcall WriteTapemark(ptr long long long)
 @ stdcall -import ZombifyActCtx(ptr)
 @ stdcall -arch=x86_64 -private __C_specific_handler(ptr long ptr ptr) ntdll.__C_specific_handler
-@ stdcall -arch=arm,x86_64 -private -norelay __chkstk() ntdll.__chkstk
+@ cdecl -arch=arm,x86_64 -norelay __chkstk() ntdll.__chkstk
 @ stub _DebugOut
 @ stub _DebugPrintf
 @ stdcall _hread(long ptr long)

dlls/kernelbase/kernelbase.spec

@@ -1736,7 +1736,7 @@
 # @ stub _GetMUIStringFromCache
 # @ stub _OpenMuiStringCache
 @ stdcall -arch=x86_64 -private __C_specific_handler(ptr long ptr ptr) ntdll.__C_specific_handler
-@ stdcall -arch=arm,x86_64 -private -norelay __chkstk() ntdll.__chkstk
+@ cdecl -arch=arm,x86_64 -norelay __chkstk() ntdll.__chkstk
 # @ stub __dllonexit3
 @ stub __misaligned_access
 # @ stub __wgetmainargs

dlls/ntdll/ntdll.spec

@@ -1413,7 +1413,7 @@
 @ cdecl -private -arch=i386 _CIsin() NTDLL__CIsin
 @ cdecl -private -arch=i386 _CIsqrt() NTDLL__CIsqrt
 @ stdcall -arch=x86_64 __C_specific_handler(ptr long ptr ptr)
-@ stdcall -private -arch=arm,x86_64 -norelay __chkstk()
+@ cdecl -arch=arm,x86_64 -norelay __chkstk()
 @ cdecl __isascii(long) NTDLL___isascii
 @ cdecl __iscsym(long) NTDLL___iscsym
 @ cdecl __iscsymf(long) NTDLL___iscsymf
@@ -1430,7 +1430,7 @@
 @ stdcall -arch=i386 -norelay _aulldvrm(int64 int64)
 @ stdcall -arch=i386 -ret64 _aullrem(int64 int64)
 @ stdcall -arch=i386 -ret64 _aullshr(int64 long)
-@ stdcall -private -arch=i386 -norelay _chkstk()
+@ cdecl -arch=i386 -norelay _chkstk()
 @ stub _fltused
 @ cdecl -arch=i386 -ret64 _ftol() NTDLL__ftol
 @ cdecl _i64toa(int64 ptr long)

dlls/ntdll/signal_i386.c

@@ -3050,7 +3050,7 @@ __ASM_STDCALL_FUNC( NtCurrentTeb, 0, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
 /**************************************************************************
  *           _chkstk   (NTDLL.@)
  */
-__ASM_STDCALL_FUNC( _chkstk, 0,
+__ASM_GLOBAL_FUNC( _chkstk,
                    "negl %eax\n\t"
                    "addl %esp,%eax\n\t"
                    "xchgl %esp,%eax\n\t"
@@ -3061,7 +3061,7 @@ __ASM_STDCALL_FUNC( _chkstk, 0,
 /**************************************************************************
  *           _alloca_probe   (NTDLL.@)
  */
-__ASM_STDCALL_FUNC( _alloca_probe, 0,
+__ASM_GLOBAL_FUNC( _alloca_probe,
                    "negl %eax\n\t"
                    "addl %esp,%eax\n\t"
                    "xchgl %esp,%eax\n\t"