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author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-06-04 18:57:44 +0000 |
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committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-06-04 18:57:44 +0000 |
commit | 68167fed0e4ecb5393a3f036d14c438f65c85f80 (patch) | |
tree | 3d166e0c4b86a617cb3203a357bab5672f7bdfc7 /MdePkg/Include/Base.h | |
parent | 1a2f870c9babe077c2d3abea23b6e8e044778341 (diff) | |
download | edk2-platforms-68167fed0e4ecb5393a3f036d14c438f65c85f80.tar.xz |
Fix build breaks from comment clean up checkin
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8468 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Base.h')
-rw-r--r-- | MdePkg/Include/Base.h | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h index 287c193a3e..4eedffde0b 100644 --- a/MdePkg/Include/Base.h +++ b/MdePkg/Include/Base.h @@ -333,6 +333,15 @@ struct _LIST_ENTRY { // }
//
+/**
+ Return the size of argument that has been aligned to sizeof (UINTN).
+
+ @param n The parameter size is to be aligned.
+
+ @return The aligned size
+**/
+#define _INT_SIZE_OF(n) ((sizeof (n) + sizeof (UINTN) - 1) &~(sizeof (UINTN) - 1))
+
#if defined(__GNUC__)
//
// Use GCC built-in macros for variable argument lists.
@@ -346,15 +355,6 @@ typedef __builtin_va_list VA_LIST; #define VA_END(Marker) __builtin_va_end (Marker)
#else
-/**
- Return the size of argument that has been aligned to sizeof (UINTN).
-
- @param n The parameter size to be aligned.
-
- @return The aligned size
-**/
-#define _INT_SIZE_OF(n) ((sizeof (n) + sizeof (UINTN) - 1) &~(sizeof (UINTN) - 1))
-
///
/// Pointer to the start of a variable argument list. Same as CHAR8 *.
///
@@ -409,6 +409,29 @@ typedef CHAR8 *VA_LIST; #endif
+///
+/// Pointer to the start of a variable argument list stored in a memory buffer. Same as UINT8 *.
+///
+typedef UINTN *BASE_LIST;
+
+/**
+ Returns an argument of a specified type from a variable argument list and updates
+ the pointer to the variable argument list to point to the next argument.
+
+ This function returns an argument of the type specified by TYPE from the beginning
+ of the variable argument list specified by Marker. Marker is then updated to point
+ to the next argument in the variable argument list. The method for computing the
+ pointer to the next argument in the argument list is CPU specific following the EFIAPI ABI.
+
+ @param Marker Pointer to the beginning of a variable argument list.
+ @param TYPE The type of argument to retrieve from the beginning
+ of the variable argument list.
+
+ @return An argument of the type specified by TYPE.
+
+**/
+#define BASE_ARG(Marker, TYPE) (*(TYPE *)((UINT8 *)(Marker = (BASE_LIST)((UINT8 *)Marker + _INT_SIZE_OF (TYPE))) - _INT_SIZE_OF (TYPE)))
+
/**
Macro that returns the byte offset of a field in a data structure.
|