ia64: Add ia64-specific LDFLAGS_MODULE and export unwind API to modules.

arch/ia64/Makefile

@@ -14,6 +14,7 @@ export AWK
 
 OBJCOPYFLAGS	:= --strip-all
 LDFLAGS_vmlinux	:= -static
+LDFLAGS_MODULE	+= -T arch/ia64/module.lds
 AFLAGS_KERNEL	:= -mconstant-gp
 EXTRA		:=
 

arch/ia64/kernel/ia64_ksyms.c

@@ -147,3 +147,14 @@ EXPORT_SYMBOL(machvec_noop);
 EXPORT_SYMBOL(pfm_install_alternate_syswide_subsystem);
 EXPORT_SYMBOL(pfm_remove_alternate_syswide_subsystem);
 #endif
+
+#include <asm/unwind.h>
+EXPORT_SYMBOL(unw_init_from_blocked_task);
+EXPORT_SYMBOL(unw_init_running);
+EXPORT_SYMBOL(unw_unwind);
+EXPORT_SYMBOL(unw_unwind_to_user);
+EXPORT_SYMBOL(unw_access_gr);
+EXPORT_SYMBOL(unw_access_br);
+EXPORT_SYMBOL(unw_access_fr);
+EXPORT_SYMBOL(unw_access_ar);
+EXPORT_SYMBOL(unw_access_pr);