[AArch64] BFD support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14

This patch add BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14 relocation
supoprt in bfd linker.

2015-06-01  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * elfnn-aarch64.c (aarch64_reloc_got_type): Support
  BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14.
  (elfNN_aarch64_final_link_relocate): Ditto.
  (elfNN_aarch64_gc_swap_hook): Ditto.
  (elfNN_aarch64_check_relocs): Ditto.
  * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Ditto.

ld/testsuite/
  * ld-aarch64/emit-relocs-28.s: New test file.
  * ld-aarch64/emit-relocs-28.d: Ditto.
  * ld-aarch64/aarch64-elf.exp: Run new test.

3 files changed, 23 insertions, 3 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index e1ce381..4001dce 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,14 @@
 2015-06-01  Jiong Wang  <jiong.wang@arm.com>
 
+	* elfnn-aarch64.c (aarch64_reloc_got_type): Support
+	BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14.
+	(elfNN_aarch64_final_link_relocate): Ditto.
+	(elfNN_aarch64_gc_swap_hook): Ditto.
+	(elfNN_aarch64_check_relocs): Ditto.
+	* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Ditto.
+
+2015-06-01  Jiong Wang  <jiong.wang@arm.com>
+
 	* reloc.c (BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14): New entry.
 	* bfd-in2.h: Regenerate.
 	* libbfd.h: Regenerate.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 3104de7..4065dfc 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -4067,6 +4067,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
     {
     case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
     case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -4621,6 +4622,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 					      howto, value);
 	case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
 	case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+	case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
 	case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
 	case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
 	case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -4682,7 +4684,8 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 	    value = aarch64_calculate_got_entry_vma (h, globals, info,
 						     value, output_bfd,
 						     unresolved_reloc_p);
-	  if (bfd_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15)
+	  if (bfd_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15
+	      || bfd_r_type == BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14)
 	    addend = (globals->root.sgot->output_section->vma
 		      + globals->root.sgot->output_offset);
 	  value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
@@ -4890,6 +4893,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 
     case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
     case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -4902,7 +4906,8 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 	  value = aarch64_calculate_got_entry_vma (h, globals, info, value,
 						   output_bfd,
 						   unresolved_reloc_p);
-	  if (bfd_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15)
+	  if (bfd_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15
+	      || bfd_r_type == BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14)
 	    addend = (globals->root.sgot->output_section->vma
 		      + globals->root.sgot->output_offset);
 	  value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
@@ -4960,7 +4965,8 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 	   the direct data access into indirect data access through GOT.  */
 	value = got_entry_addr;
 
-	if (bfd_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15)
+	if (bfd_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15
+	    || bfd_r_type == BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14)
 	  addend = base_got->output_section->vma + base_got->output_offset;
 
 	value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
@@ -5959,6 +5965,7 @@ elfNN_aarch64_gc_sweep_hook (bfd *abfd,
 	{
 	case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
 	case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+	case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
 	case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
 	case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
 	case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -6317,6 +6324,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
 	    case BFD_RELOC_AARCH64_CALL26:
 	    case BFD_RELOC_AARCH64_GOT_LD_PREL19:
 	    case BFD_RELOC_AARCH64_JUMP26:
+	    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
 	    case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
 	    case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
 	    case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -6429,6 +6437,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
 	     there are no dangling GOT_PAGE relocs.  */
 	case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
 	case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+	case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
 	case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
 	case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
 	case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index ec0744b..7b1a394 100644
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -257,6 +257,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
       contents = reencode_add_imm (contents, addend);
       break;
 
+    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -414,6 +415,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
       value = PG (value + addend) - PG (place);
       break;
 
+    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
     case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
       /* Caller must make sure addend is the base address of .got section.  */
       value = value - PG (addend);