diff --git ./bfd/elf64-alpha.c ./bfd/elf64-alpha.c
index a97acdc41de..86a59ba0937 100644
--- ./bfd/elf64-alpha.c
+++ ./bfd/elf64-alpha.c
@@ -1020,6 +1020,22 @@ static reloc_howto_type elf64_alpha_howto_table[] =
 	 0xffff,		/* src_mask */
 	 0xffff,		/* dst_mask */
 	 false),		/* pcrel_offset */
+
+  /* A dynamic relocation to set a 64-bit field to the value returned by
+     the resolver whose address is the addend.  */
+  HOWTO (R_ALPHA_IRELATIVE,
+	 0,
+	 0,
+	 0,
+	 false,
+	 0,
+	 complain_overflow_dont,
+	 bfd_elf_generic_reloc,
+	 "IRELATIVE",
+	 false,
+	 0,
+	 0,
+	 true),
 };
 
 /* A mapping from BFD reloc types to Alpha ELF reloc types.  */
@@ -1062,6 +1078,7 @@ static const struct elf_reloc_map elf64_alpha_reloc_map[] =
   {BFD_RELOC_ALPHA_TPREL_HI16,		R_ALPHA_TPRELHI},
   {BFD_RELOC_ALPHA_TPREL_LO16,		R_ALPHA_TPRELLO},
   {BFD_RELOC_ALPHA_TPREL16,		R_ALPHA_TPREL16},
+  {BFD_RELOC_IRELATIVE,			R_ALPHA_IRELATIVE},
 };
 
 /* Given a BFD reloc type, return a HOWTO structure.  */
@@ -5310,6 +5327,8 @@ elf64_alpha_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
       return reloc_class_plt;
     case R_ALPHA_COPY:
       return reloc_class_copy;
+    case R_ALPHA_IRELATIVE:
+      return reloc_class_ifunc;
     default:
       return reloc_class_normal;
     }
diff --git ./include/elf/alpha.h ./include/elf/alpha.h
index 9b7b4cfe16a..f7a0f040508 100644
--- ./include/elf/alpha.h
+++ ./include/elf/alpha.h
@@ -118,6 +118,8 @@ START_RELOC_NUMBERS (elf_alpha_reloc_type)
   RELOC_NUMBER (R_ALPHA_TPRELLO, 40)
   RELOC_NUMBER (R_ALPHA_TPREL16, 41)
 
+  RELOC_NUMBER (R_ALPHA_IRELATIVE, 42)
+
 END_RELOC_NUMBERS (R_ALPHA_max)
 
 #define LITUSE_ALPHA_ADDR	0