1 files changed, 19 insertions, 0 deletions

diff --git a/sys/kern/link_elf_obj.c b/sys/kern/link_elf_obj.c
index fe4aba357351..8eb7681f95ac 100644
--- a/sys/kern/link_elf_obj.c
+++ b/sys/kern/link_elf_obj.c
@@ -165,6 +165,10 @@ r_debug_state(struct r_debug *dummy_one __unused,
 
 #endif
 
+#ifdef __ia64__
+Elf_Addr link_elf_get_gp(linker_file_t);
+#endif
+
 /*
  * The kernel symbol table starts here.
  */
@@ -1171,3 +1175,18 @@ link_elf_each_function_name(linker_file_t file,
     }
     return (0);
 }
+
+#ifdef __ia64__
+/*
+ * Each KLD has its own GP. The GP value for each load module is given by
+ * DT_PLTGOT on ia64. We need GP to construct function descriptors, but
+ * don't have direct access to the ELF file structure. The link_elf_get_gp()
+ * function returns the GP given a pointer to a generic linker file struct.
+ */
+Elf_Addr
+link_elf_get_gp(linker_file_t lf)
+{
+	elf_file_t ef = (elf_file_t)lf;
+	return (Elf_Addr)ef->got;
+}
+#endif