Changeset 47034 in vbox for trunk

Timestamp:

Jul 8, 2013 12:20:14 PM (12 years ago)

Author:

vboxsync

Message:

iprt/asmdefs.mac: Added AssertCompileSize and AssertCompileMemberOffset.

File:

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

trunk/include/iprt/asmdefs.mac

@@ -95 +95 @@
 ; Mangles the given name so it can be referenced using DECLASM() in the
 ; C/C++ world.
-%ifdef RT_ARCH_X86
- %ifdef RT_OS_OS2
+%ifndef ASM_FORMAT_BIN
+ %ifdef RT_ARCH_X86
+  %ifdef RT_OS_OS2
+   %define NAME(name)   _ %+ NAME_OVERLOAD(name)
+  %endif
+  %ifdef RT_OS_WINDOWS
+   %define NAME(name)   _ %+ NAME_OVERLOAD(name)
+  %endif
+ %endif
+ %ifdef RT_OS_DARWIN
   %define NAME(name)    _ %+ NAME_OVERLOAD(name)
  %endif
- %ifdef RT_OS_WINDOWS
-  %define NAME(name)    _ %+ NAME_OVERLOAD(name)
- %endif
-%endif
-%ifdef RT_OS_DARWIN
- %define NAME(name)     _ %+ NAME_OVERLOAD(name)
 %endif
 %ifndef NAME
@@ -790 +792 @@
 %endif
 
-%endif
+
+;
+; Some simple compile time assertions.
+;
+; Note! Requires new kBuild to work.
+;
+
+;;
+; Structure size assertion macro.
+%define AssertCompileSize(a_Type, a_Size) AssertCompileSizeML a_Type, a_Size
+%macro AssertCompileSizeML 2,
+ %ifndef KBUILD_GENERATING_MAKEFILE_DEPENDENCIES
+  %assign AssertVar_cbActual   %1 %+ _size
+  %assign AssertVar_cbExpected %2
+  %if AssertVar_cbActual != AssertVar_cbExpected
+   %error %1 is AssertVar_cbActual bytes instead of AssertVar_cbExpected
+  %endif
+ %endif
+%endmacro
+
+;;
+; Structure memember offset assertion macro.
+%define AssertCompileMemberOffset(a_Type, a_Member, a_off) AssertCompileMemberOffsetML a_Type, a_Member, a_off
+%macro AssertCompileMemberOffsetML 3,
+ %ifndef KBUILD_GENERATING_MAKEFILE_DEPENDENCIES
+  %assign AssertVar_offActual   %1 %+ . %+ %2
+  %assign AssertVar_offExpected %3
+  %if AssertVar_offActual != AssertVar_offExpected
+   %error %1 %+ . %+ %2 is at AssertVar_offActual instead of AssertVar_offExpected
+  %endif
+ %endif
+%endmacro
+
+%endif