diff --git a/include/compiler.h b/include/compiler.h
index ed5384c7..312ac150 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -32,6 +32,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
 
 #ifdef __GNUC__
 # define ALIGNED(x)	__attribute__((aligned(x)))
+# define CONST_ATTR	__attribute__((__const__))
 # define UNUSED		__attribute__((unused))
 # define NOINLINE	__attribute__((noinline))
 # define NORETURN	__attribute__((noreturn))
@@ -56,6 +57,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
 #else
 # define ALIGNED(x)
 # define ALWAYS_INLINE
+# define CONST_ATTR
 # define UNUSED
 # define NOINLINE
 # define NORETURN
diff --git a/src/arm/Gex_tables.c b/src/arm/Gex_tables.c
index d78fbaf4..8004fb5f 100644
--- a/src/arm/Gex_tables.c
+++ b/src/arm/Gex_tables.c
@@ -53,7 +53,7 @@ struct arm_cb_data
     unw_dyn_info_t di;         /* info about the ARM exidx segment */
   };
 
-static inline uint32_t
+static inline uint32_t CONST_ATTR
 prel31_read (uint32_t prel31)
 {
   return ((int32_t)prel31 << 1) >> 1;
diff --git a/src/dwarf/Gparser.c b/src/dwarf/Gparser.c
index 5adbb9a4..fd2bdae2 100644
--- a/src/dwarf/Gparser.c
+++ b/src/dwarf/Gparser.c
@@ -551,7 +551,7 @@ put_rs_cache (unw_addr_space_t as, struct dwarf_rs_cache *cache,
     lock_release (&cache->lock, *saved_maskp);
 }
 
-static inline unw_hash_index_t
+static inline unw_hash_index_t CONST_ATTR
 hash (unw_word_t ip)
 {
   /* based on (sqrt(5)/2-1)*2^64 */
diff --git a/src/ia64/Gparser.c b/src/ia64/Gparser.c
index 88ea90f4..ff36968a 100644
--- a/src/ia64/Gparser.c
+++ b/src/ia64/Gparser.c
@@ -109,7 +109,7 @@ free_state_stack (struct ia64_reg_state *rs)
 
 /* Unwind decoder routines */
 
-static enum ia64_pregnum __attribute__ ((const))
+static enum ia64_pregnum CONST_ATTR
 decode_abreg (unsigned char abreg, int memory)
 {
   switch (abreg)
diff --git a/src/ia64/Gscript.c b/src/ia64/Gscript.c
index 13227b3f..5d8f2e1e 100644
--- a/src/ia64/Gscript.c
+++ b/src/ia64/Gscript.c
@@ -56,7 +56,7 @@ static __thread struct ia64_script_cache ia64_per_thread_cache =
   };
 #endif
 
-static inline unw_hash_index_t
+static inline unw_hash_index_t CONST_ATTR
 hash (unw_word_t ip)
 {
   /* based on (sqrt(5)/2-1)*2^64 */