Changeset 60200 in vbox for trunk/include

Timestamp:

Mar 26, 2016 10:48:01 PM (9 years ago)

Author:

vboxsync

Message:

iprt/asmdefs.mac: AssertCompileMemberAlignment and AssertCompile.

File:

• trunk/include/iprt/asmdefs.mac (modified) (2 diffs)

trunk/include/iprt/asmdefs.mac

@@ -947 +947 @@
 
 ;;
-; Structure memember offset assertion macro.
+; Structure member offset assertion macro.
 %define AssertCompileMemberOffset(a_Type, a_Member, a_off) AssertCompileMemberOffsetML a_Type, a_Member, a_off
 %macro AssertCompileMemberOffsetML 3
@@ -959 +959 @@
 %endmacro
 
-%endif
-
+;;
+; Structure member alignment assertion macro.
+%define AssertCompileMemberAlignment(a_Type, a_Member, a_cbAlign) AssertCompileMemberAlignmentML a_Type, a_Member, a_cbAlign
+%macro AssertCompileMemberAlignmentML 3
+ %ifndef KBUILD_GENERATING_MAKEFILE_DEPENDENCIES
+  %assign AssertVar_offActual   %1 %+ . %+ %2
+  %assign AssertVar_cbAlign     %3
+  %if AssertVar_offActual & (AssertVar_cbAlign - 1)
+   %error %1 %+ . %+ %2 is at AssertVar_offActual, expected AssertVar_cbAlign alignment
+  %endif
+ %endif
+%endmacro
+
+;;
+; Generic compile time expression assertion.
+%define AssertCompile(a_Expr) AssertCompileML { a_Expr }
+%macro AssertCompileML 1
+ %ifndef KBUILD_GENERATING_MAKEFILE_DEPENDENCIES
+  ;%assign AssertVar_uResult %1
+  %if (%1) != 1
+   %error %1 => AssertVar_uResult
+  %endif
+ %endif
+%endmacro
+
+%endif
+