x86: unify current_text_addr

[~andy/linux] / include / asm-x86 / processor.h

diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 52e3637ef59e84f5a27d52092a0f96c6cbad72c8..3deb5ba55f550469b3e21f036bba26e4b7e041b6 100644 (file)
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -10,6 +10,17 @@ struct mm_struct;
 #include <asm/page.h>
 #include <asm/system.h>
 
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+static inline void *current_text_addr(void)
+{
+       void *pc;
+       asm volatile("mov $1f,%0\n1:":"=r" (pc));
+       return pc;
+}
+
 static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
                                         unsigned int *ecx, unsigned int *edx)
 {