diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Base.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h index b01e03a03b..a94182f088 100644 --- a/MdePkg/Include/Base.h +++ b/MdePkg/Include/Base.h @@ -668,6 +668,19 @@ struct _LIST_ENTRY { #define VA_COPY(Dest, Start) __va_copy (Dest, Start)
+#elif defined(_M_ARM)
+//
+// MSFT ARM variable argument list support.
+// Same as the generic macros below, except for VA_ARG that needs extra adjustment.
+//
+
+typedef char* VA_LIST;
+
+#define VA_START(Marker, Parameter) (Marker = (VA_LIST) ((UINTN) & (Parameter) + _INT_SIZE_OF(Parameter)))
+#define VA_ARG(Marker, TYPE) (*(TYPE *) ((Marker += _INT_SIZE_OF(TYPE) + ((-(INTN)Marker) & (sizeof(TYPE) - 1))) - _INT_SIZE_OF (TYPE)))
+#define VA_END(Marker) (Marker = (VA_LIST) 0)
+#define VA_COPY(Dest, Start) ((void)((Dest) = (Start)))
+
#elif defined(__GNUC__)
#if defined(MDE_CPU_X64) && !defined(NO_MSABI_VA_FUNCS)
|