ia64: Add support for R_IA64_GPREL64I.

Recent GCC generates those relocations, so we need to support them.

grub-core/kern/ia64/dl.c

@@ -104,6 +104,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	case R_IA64_PCREL64LSB:
 	  *(grub_uint64_t *) addr += value - addr;
 	  break;
+	case R_IA64_GPREL64I:
+	  grub_ia64_set_immu64 (addr, value - (grub_addr_t) mod->base);
+	  break;
 	case R_IA64_GPREL22:
 	  if ((value - (grub_addr_t) mod->base) & ~MASK20)
 	    return grub_error (GRUB_ERR_BAD_MODULE,

grub-core/kern/ia64/dl_helper.c

@@ -30,6 +30,40 @@
 #define MASK20 ((1 << 20) - 1)
 #define MASK3 (~(grub_addr_t) 3)
 
+void
+grub_ia64_set_immu64 (grub_addr_t addr, grub_uint64_t val)
+{
+  /* Copied from binutils.  */
+  grub_uint64_t *ptr = ((grub_uint64_t *) (addr & MASK3));
+  grub_uint64_t t0, t1;
+
+  t0 = grub_le_to_cpu64 (ptr[0]);
+  t1 = grub_le_to_cpu64 (ptr[1]);
+
+  /* tmpl/s: bits  0.. 5 in t0
+     slot 0: bits  5..45 in t0
+     slot 1: bits 46..63 in t0, bits 0..22 in t1
+     slot 2: bits 23..63 in t1 */
+
+  /* First, clear the bits that form the 64 bit constant.  */
+  t0 &= ~(0x3ffffLL << 46);
+  t1 &= ~(0x7fffffLL
+	  | ((  (0x07fLL << 13) | (0x1ffLL << 27)
+		| (0x01fLL << 22) | (0x001LL << 21)
+		| (0x001LL << 36)) << 23));
+
+  t0 |= ((val >> 22) & 0x03ffffLL) << 46;		/* 18 lsbs of imm41 */
+  t1 |= ((val >> 40) & 0x7fffffLL) <<  0;		/* 23 msbs of imm41 */
+  t1 |= (  (((val >>  0) & 0x07f) << 13)		/* imm7b */
+	   | (((val >>  7) & 0x1ff) << 27)		/* imm9d */
+	   | (((val >> 16) & 0x01f) << 22)		/* imm5c */
+	   | (((val >> 21) & 0x001) << 21)		/* ic */
+	   | (((val >> 63) & 0x001) << 36)) << 23;	/* i */
+
+  ptr[0] = t0;
+  ptr[1] = t1;
+}
+
 void
 grub_ia64_add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value)
 {

include/grub/ia64/reloc.h

@@ -26,6 +26,8 @@ grub_ia64_add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value);
 void
 grub_ia64_add_value_to_slot_21 (grub_addr_t addr, grub_uint32_t value);
 void
+grub_ia64_set_immu64 (grub_addr_t addr, grub_uint64_t value);
+void
 grub_ia64_make_trampoline (struct grub_ia64_trampoline *tr, grub_uint64_t addr);
 
 struct grub_ia64_trampoline

util/grub-mkimagexx.c

@@ -920,6 +920,10 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections,
 		  grub_ia64_add_value_to_slot_21 ((grub_addr_t) target,
 						  addend + sym_addr);
 		  break;
+		case R_IA64_GPREL64I:
+		  grub_ia64_set_immu64 ((grub_addr_t) target,
+					addend + sym_addr);
+		  break;
 		case R_IA64_PCREL64LSB:
 		  *target = grub_host_to_target64 (grub_target_to_host64 (*target)
 						   + addend + sym_addr
@@ -1286,6 +1290,7 @@ translate_relocation_pe (struct translate_context *ctx,
 	case R_IA64_LTOFF22X:
 	case R_IA64_LTOFF22:
 	case R_IA64_GPREL22:
+	case R_IA64_GPREL64I:
 	case R_IA64_SEGREL64LSB:
 	  break;
 

util/grub-module-verifier.c

@@ -60,6 +60,7 @@ struct grub_module_verifier_arch archs[] = {
       R_IA64_PCREL64LSB,
       R_IA64_LTOFF22X,
       R_IA64_LTOFF22,
+      R_IA64_GPREL64I,
       R_IA64_LTOFF_FPTR22,
       R_IA64_LDXMOV,
       -1