diff --git a/sys/arm/include/elf.h b/sys/arm/include/elf.h
index 92626829010..8b498b69cab 100644
--- a/sys/arm/include/elf.h
+++ b/sys/arm/include/elf.h
@@ -55,9 +55,6 @@ __ElfType(Auxinfo);
 
 #define	ELF_MACHINE_OK(x) ((x) == EM_ARM)
 
-/* Unwind info section type */
-#define	PT_ARM_EXIDX (PT_LOPROC + 1)
-
 /*
  * Relocation types.
  */
diff --git a/sys/sys/elf_common.h b/sys/sys/elf_common.h
index ec8af53f734..ede4b13a2c5 100644
--- a/sys/sys/elf_common.h
+++ b/sys/sys/elf_common.h
@@ -511,6 +511,8 @@ typedef struct {
 #define	PT_HISUNW	0x6fffffff
 #define	PT_HIOS		0x6fffffff	/* Last OS-specific. */
 #define	PT_LOPROC	0x70000000	/* First processor-specific type. */
+#define	PT_ARM_ARCHEXT	0x70000000	/* ARM arch compat information. */
+#define	PT_ARM_EXIDX	0x70000001	/* ARM exception unwind tables. */
 #define	PT_HIPROC	0x7fffffff	/* Last processor-specific type. */
 
 /* Values for p_flags. */