[AArch64][3/8] LD support BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21

2015-08-11  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize
  BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21.
  (aarch64_reloc_got_type): Likewise.
  (elfNN_aarch64_final_link_relocate): Likewise.
  (elfNN_aarch64_relocate_section): Likewise.
  (elfNN_aarch64_gc_sweep_hook): Likewise.
  (elfNN_aarch64_check_relocs): Likewise.
  * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
  (_bfd_aarch64_elf_resolve_relocation): Likewise.

ld/testsuite/
  * ld-aarch64/tls-small-ld.s: New file.
  * ld-aarch64/tls-small-ld.d: Likewise.
  * ld-aarch64/aarch64-elf.exp: Run new test.

3 files changed, 25 insertions, 2 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 666b3cd..01a29c8 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,17 @@
 2015-08-11  Jiong Wang  <jiong.wang@arm.com>
 
+	* elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize
+	BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21.
+	(aarch64_reloc_got_type): Likewise.
+	(elfNN_aarch64_final_link_relocate): Likewise.
+	(elfNN_aarch64_relocate_section): Likewise.
+	(elfNN_aarch64_gc_sweep_hook): Likewise.
+	(elfNN_aarch64_check_relocs): Likewise.
+	* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
+	(_bfd_aarch64_elf_resolve_relocation): Likewise.
+
+2015-08-11  Jiong Wang  <jiong.wang@arm.com>
+
 	* reloc.c (BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21): New entry.
 	* bfd-in2.h: Regenerate.
 	* libbfd.h: Regenerate.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 16769bc..ff56701 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -174,6 +174,7 @@
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19	\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC	\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1	\
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21		\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_ADR_PREL21		\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12	\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12	\
@@ -4122,6 +4123,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
     case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
     case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
+    case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
       return GOT_TLS_GD;
 
@@ -5029,6 +5031,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
     case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
     case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
     case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
+    case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
       if (globals->root.sgot == NULL)
 	return bfd_reloc_notsupported;
@@ -5514,6 +5517,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
 	case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
 	case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
 	case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
+	case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
 	case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
 	  if (! symbol_got_offset_mark_p (input_bfd, h, r_symndx))
 	    {
@@ -5547,8 +5551,11 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
 		    * RELOC_SIZE (htab);
 		  bfd_elfNN_swap_reloca_out (output_bfd, &rela, loc);
 
-		  if (elfNN_aarch64_bfd_reloc_from_type (r_type)
-		      == BFD_RELOC_AARCH64_TLSLD_ADR_PREL21)
+		  bfd_reloc_code_real_type real_type =
+		    elfNN_aarch64_bfd_reloc_from_type (r_type);
+
+		  if (real_type == BFD_RELOC_AARCH64_TLSLD_ADR_PREL21
+		      || real_type == BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21)
 		    {
 		      /* For local dynamic, don't generate DTPREL in any case.
 			 Initialize the DTPREL slot into zero, so we get module
@@ -6041,6 +6048,7 @@ elfNN_aarch64_gc_sweep_hook (bfd *abfd,
 	case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
 	case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
 	case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
+	case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
 	case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
 	case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
 	case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
@@ -6514,6 +6522,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
 	case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
 	case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
 	case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
+	case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
 	case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
 	case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
 	case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index 5b2af2a..3186d8e 100644
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -241,6 +241,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
     case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
     case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
+    case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
       contents = _bfd_aarch64_reencode_adr_imm (contents, addend);
       break;
@@ -414,6 +415,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
     case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
     case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
+    case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
       value = PG (value + addend) - PG (place);
       break;