[GAS][AARCH64]Add BFD_RELOC_AARCH64_TLSGD_MOVW_G1 support.

bfd/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* reloc.c (BFD_RELOC_AARCH64_TLSGD_MOVW_G1): New entry.
	* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
	BFD_RELOC_AARCH64_TLSGD_MOVW_G1.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Likewise.

gas/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* config/tc-aarch64.c (reloc_table): New relocation modifier tlsgd_g1.
	(process_movw_reloc_info): Support BFD_RELOC_AARCH64_TLSGD_MOVW_G1.
	(md_apply_fix): Likewise.
	(aarch64_force_relocation): Likewise.

gas/testsuite/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* gas/aarch64/reloc-tlsgd_g1.s: New.
	* gas/aarch64/reloc-tlsgd_g1.s: New.

10 files changed, 70 insertions, 0 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index c31c855..329c42c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,13 @@
 2015-10-02  Renlin Li  <renlin.li@arm.com>
 
+	* reloc.c (BFD_RELOC_AARCH64_TLSGD_MOVW_G1): New entry.
+	* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
+	BFD_RELOC_AARCH64_TLSGD_MOVW_G1.
+	* bfd-in2.h: Regenerate.
+	* libbfd.h: Likewise.
+
+2015-10-02  Renlin Li  <renlin.li@arm.com>
+
 	* elfnn-aarch64.c (aarch64_reloc_got_type): Add
 	BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC support.
 	(elfNN_aarch64_final_link_relocate): Likewise.
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 6cd47ec..39c1af2 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -5786,6 +5786,9 @@ tls_index structure.  Used in conjunction with
 BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21.  */
   BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC,
 
+/* AArch64 TLS General Dynamic relocation.  */
+  BFD_RELOC_AARCH64_TLSGD_MOVW_G1,
+
 /* AArch64 TLS INITIAL EXEC relocation.  */
   BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1,
 
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 1747ae4..8f3f75c 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -168,6 +168,7 @@
   ((R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC		\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21		\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PREL21		\
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_MOVW_G1		\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21	\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC	\
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC	\
@@ -1006,6 +1007,21 @@ static reloc_howto_type elfNN_aarch64_howto_table[] =
 	 0xfff,			/* dst_mask */
 	 FALSE),		/* pcrel_offset */
 
+  /* Higher 16 bits of GOT offset to tls_index.  */
+  HOWTO64 (AARCH64_R (TLSGD_MOVW_G1),	/* type */
+	 16,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSGD_MOVW_G1),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
   HOWTO64 (AARCH64_R (TLSIE_MOVW_GOTTPREL_G1),	/* type */
 	 16,			/* rightshift */
 	 2,			/* size (0 = byte, 1 = short, 2 = long) */
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 9483c0a..93bdc5d 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -2755,6 +2755,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
   "BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21",
   "BFD_RELOC_AARCH64_TLSGD_ADR_PREL21",
   "BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC",
+  "BFD_RELOC_AARCH64_TLSGD_MOVW_G1",
   "BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1",
   "BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC",
   "BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index cec9a1f..b32a2e2 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -6830,6 +6830,10 @@ ENUMDOC
   tls_index structure.  Used in conjunction with
   BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21.
 ENUM
+  BFD_RELOC_AARCH64_TLSGD_MOVW_G1
+ENUMDOC
+  AArch64 TLS General Dynamic relocation.
+ENUM
   BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1
 ENUMDOC
   AArch64 TLS INITIAL EXEC relocation.
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 63b9805..8d0908f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,12 @@
 2015-10-02  Renlin Li <renlin.li@arm.com>
 
+	* config/tc-aarch64.c (reloc_table): New relocation modifier tlsgd_g1.
+	(process_movw_reloc_info): Support BFD_RELOC_AARCH64_TLSGD_MOVW_G1.
+	(md_apply_fix): Likewise.
+	(aarch64_force_relocation): Likewise.
+
+2015-10-02  Renlin Li <renlin.li@arm.com>
+
 	* config/tc-aarch64.c (reloc_table): New relocation modifier
 	gotoff_g0_nc.
 	(process_movw_reloc_info): Support gotoff_g0_nc.
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 1b62b39..5716ef0 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -2500,6 +2500,15 @@ static struct reloc_table_entry reloc_table[] = {
    0,
    0},
 
+  /* Most significant bits 16-31 of address/value: MOVZ.  */
+  {"tlsgd_g1", 0,
+   0,				/* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSGD_MOVW_G1,
+   0,
+   0,
+   0},
+
   /* Get to the page containing GOT TLS entry for a symbol */
   {"tlsdesc", 0,
    BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21, /* adr_type */
@@ -4670,6 +4679,7 @@ process_movw_reloc_info (void)
       case BFD_RELOC_AARCH64_MOVW_G0_S:
       case BFD_RELOC_AARCH64_MOVW_G1_S:
       case BFD_RELOC_AARCH64_MOVW_G2_S:
+      case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
       case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
       case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
       case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
@@ -4696,6 +4706,7 @@ process_movw_reloc_info (void)
     case BFD_RELOC_AARCH64_MOVW_G1_NC:
     case BFD_RELOC_AARCH64_MOVW_G1_S:
     case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
@@ -6915,6 +6926,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
     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_TLSGD_MOVW_G1:
     case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
     case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
     case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
@@ -7143,6 +7155,7 @@ aarch64_force_relocation (struct fix *fixp)
     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_TLSGD_MOVW_G1:
     case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
     case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
     case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 585d354..cf9e0da 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 2015-10-02  Renlin Li <renlin.li@arm.com>
 
+	* gas/aarch64/reloc-tlsgd_g1.s: New.
+	* gas/aarch64/reloc-tlsgd_g1.s: New.
+
+2015-10-02  Renlin Li <renlin.li@arm.com>
+
 	* gas/aarch64/reloc-gotoff_g0_nc.s: New.
 	* gas/aarch64/reloc-gotoff_g0_nc.d: New.
 
diff --git a/gas/testsuite/gas/aarch64/reloc-tlsgd_g1.d b/gas/testsuite/gas/aarch64/reloc-tlsgd_g1.d
new file mode 100644
index 0000000..7063f4e
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/reloc-tlsgd_g1.d
@@ -0,0 +1,9 @@
+#objdump: -dr
+
+.*:     file format .*
+
+Disassembly of section \.text:
+
+0000000000000000 <.*>:
+   0:	d2a0001c 	movz	x28, #0x0, lsl #16
+			0: R_AARCH64_TLSGD_MOVW_G1	var
diff --git a/gas/testsuite/gas/aarch64/reloc-tlsgd_g1.s b/gas/testsuite/gas/aarch64/reloc-tlsgd_g1.s
new file mode 100644
index 0000000..12f73cd
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/reloc-tlsgd_g1.s
@@ -0,0 +1,4 @@
+func:
+
+	// R_AARCH64_TLSGD_MOVW_G1	var
+	movz x28, #:tlsgd_g1:var