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-rw-r--r--ports/sysdeps/arm/sysdep.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/sysdep.h b/ports/sysdeps/arm/sysdep.h
index f5ddab0108..4af7429ac9 100644
--- a/ports/sysdeps/arm/sysdep.h
+++ b/ports/sysdeps/arm/sysdep.h
@@ -118,3 +118,11 @@
 	.eabi_attribute 24, 1
 
 #endif	/* __ASSEMBLER__ */
+
+/* This number is the offset from the pc at the current location.  */
+/* ??? At the moment we're not turning on thumb mode in assembly.  */
+#if defined(__thumb__) && !defined(__ASSEMBLER__)
+# define PC_OFS  4
+#else
+# define PC_OFS  8
+#endif