Improve TLS support on TILE-Gx/TILEPro:

- Add support for TLS LE references.
- Support linker optimization of TLS references.
- Delete relocations of GOT/tp relative offsets beyond 32-bits.

This brings binutils in line with the support expected in gcc 4.7, for
TILE-Gx/TILEPro.

bfd/
	* reloc.c: Add BFD_RELOC_TILEPRO_TLS_GD_CALL,
	BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD,
	BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD,
	BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD,
	BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD,
	BFD_RELOC_TILEPRO_TLS_IE_LOAD, BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE,
	BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE,
	BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_LO,
	BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_LO,
	BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HI,
	BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HI,
	BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA,
	BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA,
	BFD_RELOC_TILEGX_IMM16_X0_HW0_TLS_LE,
	BFD_RELOC_TILEGX_IMM16_X1_HW0_TLS_LE,
	BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_TLS_LE,
	BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_TLS_LE,
	BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_TLS_LE,
	BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_TLS_LE,
	BFD_RELOC_TILEGX_TLS_GD_CALL, BFD_RELOC_TILEGX_IMM8_X0_TLS_GD_ADD,
	BFD_RELOC_TILEGX_IMM8_X1_TLS_GD_ADD,
	BFD_RELOC_TILEGX_IMM8_Y0_TLS_GD_ADD,
	BFD_RELOC_TILEGX_IMM8_Y1_TLS_GD_ADD, BFD_RELOC_TILEGX_TLS_IE_LOAD,
	BFD_RELOC_TILEGX_IMM8_X0_TLS_ADD,
	BFD_RELOC_TILEGX_IMM8_X1_TLS_ADD,
	BFD_RELOC_TILEGX_IMM8_Y0_TLS_ADD, BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD.
	Delete BFD_RELOC_TILEGX_IMM16_X0_HW1_GOT,
	BFD_RELOC_TILEGX_IMM16_X1_HW1_GOT,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_GOT,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_GOT,
	BFD_RELOC_TILEGX_IMM16_X0_HW3_GOT,
	BFD_RELOC_TILEGX_IMM16_X1_HW3_GOT,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_GOT,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_GOT,
	BFD_RELOC_TILEGX_IMM16_X0_HW1_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X1_HW1_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X0_HW3_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X1_HW3_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_TLS_GD,
	BFD_RELOC_TILEGX_IMM16_X0_HW1_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X1_HW1_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X0_HW3_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X1_HW3_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_TLS_IE,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_TLS_IE.
	* elf32-tilepro.c (tilepro_elf_howto_table): Update tilepro
	relocations.
	(tilepro_reloc_map): Ditto.
	(tilepro_info_to_howto_rela): Ditto.
	(reloc_to_create_func): Ditto.
	(tilepro_tls_translate_to_le): New.
	(tilepro_tls_translate_to_ie): New.
	(tilepro_elf_tls_transition): New.
	(tilepro_elf_check_relocs): Handle new tls relocations.
	(tilepro_elf_gc_sweep_hook): Ditto.
	(allocate_dynrelocs): Ditto.
	(tilepro_elf_relocate_section): Ditto.
	(tilepro_replace_insn): New.
	(insn_mask_X1): New.
	(insn_mask_X0_no_dest_no_srca): New
	(insn_mask_X1_no_dest_no_srca): New
	(insn_mask_Y0_no_dest_no_srca): New
	(insn_mask_Y1_no_dest_no_srca): New
	(srca_mask_X0): New
	(srca_mask_X1): New
	(insn_tls_le_move_X1): New
	(insn_tls_le_move_zero_X0X1): New
	(insn_tls_ie_lw_X1): New
	(insn_tls_ie_add_X0X1): New
	(insn_tls_ie_add_Y0Y1): New
	(insn_tls_gd_add_X0X1): New
	(insn_tls_gd_add_Y0Y1): New
	* elfxx-tilegx.c (tilegx_elf_howto_table): Update tilegx
	relocations.
	(tilegx_reloc_map): Ditto.
	(tilegx_info_to_howto_rela): Ditto.
	(reloc_to_create_func): Ditto.
	(tilegx_elf_link_hash_table): New field disable_le_transition.
	(tilegx_tls_translate_to_le): New.
	(tilegx_tls_translate_to_ie): New.
	(tilegx_elf_tls_transition): New.
	(tilegx_elf_check_relocs): Handle new tls relocations.
	(tilegx_elf_gc_sweep_hook): Ditto.
	(allocate_dynrelocs): Ditto.
	(tilegx_elf_relocate_section): Ditto.
	(tilegx_copy_bits): New.
	(tilegx_replace_insn): New.
	(insn_mask_X1): New.
	(insn_mask_X0_no_dest_no_srca): New.
	(insn_mask_X1_no_dest_no_srca): New.
	(insn_mask_Y0_no_dest_no_srca): New.
	(insn_mask_Y1_no_dest_no_srca): New.
	(insn_mask_X0_no_operand): New.
	(insn_mask_X1_no_operand): New.
	(insn_mask_Y0_no_operand): New.
	(insn_mask_Y1_no_operand): New.
	(insn_tls_ie_ld_X1): New.
	(insn_tls_ie_ld4s_X1): New.
	(insn_tls_ie_add_X0X1): New.
	(insn_tls_ie_add_Y0Y1): New.
	(insn_tls_ie_addx_X0X1): New.
	(insn_tls_ie_addx_Y0Y1): New.
	(insn_tls_gd_add_X0X1): New.
	(insn_tls_gd_add_Y0Y1): New.
	(insn_move_X0X1): New.
	(insn_move_Y0Y1): New.
	(insn_add_X0X1): New.
	(insn_add_Y0Y1): New.
	(insn_addx_X0X1): New.
	(insn_addx_Y0Y1): New.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.

gas/
	* tc-tilepro.c (O_tls_le): Define operator.
	(O_tls_le_lo16): Ditto.
	(O_tls_le_hi16): Ditto.
	(O_tls_le_ha16): Ditto.
	(O_tls_gd_call): Ditto.
	(O_tls_gd_add): Ditto.
	(O_tls_ie_load): Ditto.
	(md_begin): Delete old operators; handle new operators.
	(emit_tilepro_instruction): Ditto.
	(md_apply_fix): Ditto.
	* tc-tilegx.c (O_hw1_got): Delete operator.
	(O_hw2_got): Ditto.
	(O_hw3_got): Ditto.
	(O_hw2_last_got): Ditto.
	(O_hw1_tls_gd): Ditto.
	(O_hw2_tls_gd): Ditto.
	(O_hw3_tls_gd): Ditto.
	(O_hw2_last_tls_gd): Ditto.
	(O_hw1_tls_ie): Ditto.
	(O_hw2_tls_ie): Ditto.
	(O_hw3_tls_ie): Ditto.
	(O_hw2_last_tls_ie): Ditto.
	(O_hw0_tls_le): Define operator.
	(O_hw0_last_tls_le): Ditto.
	(O_hw1_last_tls_le): Ditto.
	(O_tls_gd_call): Ditto.
	(O_tls_gd_add): Ditto.
	(O_tls_ie_load): Ditto.
	(O_tls_add): Ditto.
	(md_begin): Delete old operators; handle new operators.
	(emit_tilegx_instruction): Ditto.
	(md_apply_fix): Ditto.
	* doc/c-tilegx.texi: Delete old operators; document new operators.
	* doc/c-tilepro.texi: Ditto.

include/elf/
	* tilegx.h (R_TILEGX_IMM16_X0_HW1_GOT): Delete.
	(R_TILEGX_IMM16_X1_HW1_GOT): Ditto.
	(R_TILEGX_IMM16_X0_HW2_GOT): Ditto.
	(R_TILEGX_IMM16_X1_HW2_GOT): Ditto.
	(R_TILEGX_IMM16_X0_HW3_GOT): Ditto.
	(R_TILEGX_IMM16_X1_HW3_GOT): Ditto.
	(R_TILEGX_IMM16_X0_HW2_LAST_GOT): Ditto.
	(R_TILEGX_IMM16_X1_HW2_LAST_GOT): Ditto.
	(R_TILEGX_IMM16_X0_HW1_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X1_HW1_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X0_HW2_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X1_HW2_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X0_HW3_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X1_HW3_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD): Ditto.
	(R_TILEGX_IMM16_X0_HW1_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X1_HW1_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X0_HW2_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X1_HW2_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X0_HW3_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X1_HW3_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE): Ditto.
	(R_TILEGX_IMM16_X0_HW0_TLS_LE): New relocation.
	(R_TILEGX_IMM16_X1_HW0_TLS_LE): Ditto.
	(R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE): Ditto.
	(R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE): Ditto.
	(R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE): Ditto.
	(R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE): Ditto.
	(R_TILEGX_TLS_GD_CALL): Ditto.
	(R_TILEGX_IMM8_X0_TLS_GD_ADD): Ditto.
	(R_TILEGX_IMM8_X1_TLS_GD_ADD): Ditto.
	(R_TILEGX_IMM8_Y0_TLS_GD_ADD): Ditto.
	(R_TILEGX_IMM8_Y1_TLS_GD_ADD): Ditto.
	(R_TILEGX_TLS_IE_LOAD): Ditto.
	(R_TILEGX_IMM8_X0_TLS_ADD): Ditto.
	(R_TILEGX_IMM8_X1_TLS_ADD): Ditto.
	(R_TILEGX_IMM8_Y0_TLS_ADD): Ditto.
	(R_TILEGX_IMM8_Y1_TLS_ADD): Ditto.
	* tilepro.h (R_TILEPRO_TLS_GD_CALL): New relocation.
	(R_TILEPRO_IMM8_X0_TLS_GD_ADD): Ditto.
	(R_TILEPRO_IMM8_X1_TLS_GD_ADD): Ditto.
	(R_TILEPRO_IMM8_Y0_TLS_GD_ADD): Ditto.
	(R_TILEPRO_IMM8_Y1_TLS_GD_ADD): Ditto.
	(R_TILEPRO_TLS_IE_LOAD): Ditto.
	(R_TILEPRO_IMM16_X0_TLS_LE): Ditto.
	(R_TILEPRO_IMM16_X1_TLS_LE): Ditto.
	(R_TILEPRO_IMM16_X0_TLS_LE_LO): Ditto.
	(R_TILEPRO_IMM16_X1_TLS_LE_LO): Ditto.
	(R_TILEPRO_IMM16_X0_TLS_LE_HI): Ditto.
	(R_TILEPRO_IMM16_X1_TLS_LE_HI): Ditto.
	(R_TILEPRO_IMM16_X0_TLS_LE_HA): Ditto.
	(R_TILEPRO_IMM16_X1_TLS_LE_HA): Ditto.

include/opcode/
	* tilegx.h (tilegx_mnemonic): Add TILEGX_OPC_LD4S_TLS,
	TILEGX_OPC_LD_TLS.
	* tilepro.h (tilepro_mnemonic): Add TILEPRO_OPC_LW_TLS,
	TILEPRO_OPC_LW_TLS_SN.

opcodes/
	* tilegx-opc.c: Handle TILEGX_OPC_LD4S_TLS and TILEGX_OPC_LD_TLS.
	* tilepro-opc.c: Handle TILEPRO_OPC_LW_TLS and
	TILEPRO_OPC_LW_TLS_SN.

1 files changed, 110 insertions, 11 deletions

diff --git a/gas/config/tc-tilepro.c b/gas/config/tc-tilepro.c
index 581028df44..0b378c2f19 100644
--- a/gas/config/tc-tilepro.c
+++ b/gas/config/tc-tilepro.c
@@ -103,14 +103,14 @@ md_show_usage (FILE *stream)
 
 /* Extra expression types.  */
 
-#define O_lo16	      O_md1
-#define O_hi16	      O_md2
-#define O_ha16	      O_md3
-#define O_got	      O_md4
+#define O_lo16        O_md1
+#define O_hi16        O_md2
+#define O_ha16        O_md3
+#define O_got         O_md4
 #define O_got_lo16    O_md5
 #define O_got_hi16    O_md6
 #define O_got_ha16    O_md7
-#define O_plt	      O_md8
+#define O_plt         O_md8
 #define O_tls_gd      O_md9
 #define O_tls_gd_lo16 O_md10
 #define O_tls_gd_hi16 O_md11
@@ -119,6 +119,13 @@ md_show_usage (FILE *stream)
 #define O_tls_ie_lo16 O_md14
 #define O_tls_ie_hi16 O_md15
 #define O_tls_ie_ha16 O_md16
+#define O_tls_le      O_md17
+#define O_tls_le_lo16 O_md18
+#define O_tls_le_hi16 O_md19
+#define O_tls_le_ha16 O_md20
+#define O_tls_gd_call O_md21
+#define O_tls_gd_add  O_md22
+#define O_tls_ie_load O_md23
 
 static struct hash_control *special_operator_hash;
 
@@ -230,6 +237,13 @@ md_begin (void)
   INSERT_SPECIAL_OP(tls_ie_lo16);
   INSERT_SPECIAL_OP(tls_ie_hi16);
   INSERT_SPECIAL_OP(tls_ie_ha16);
+  INSERT_SPECIAL_OP(tls_le);
+  INSERT_SPECIAL_OP(tls_le_lo16);
+  INSERT_SPECIAL_OP(tls_le_hi16);
+  INSERT_SPECIAL_OP(tls_le_ha16);
+  INSERT_SPECIAL_OP(tls_gd_call);
+  INSERT_SPECIAL_OP(tls_gd_add);
+  INSERT_SPECIAL_OP(tls_ie_load);
 #undef INSERT_SPECIAL_OP
 
   /* Initialize op_hash hash table.  */
@@ -516,6 +530,26 @@ emit_tilepro_instruction (tilepro_bundle_bits bits,
 	      require_symbol = 1;
 	      break;
 
+	    case O_tls_le:
+	      HANDLE_OP16 (TLS_LE);
+	      require_symbol = 1;
+	      break;
+
+	    case O_tls_le_lo16:
+	      HANDLE_OP16 (TLS_LE_LO);
+	      require_symbol = 1;
+	      break;
+
+	    case O_tls_le_hi16:
+	      HANDLE_OP16 (TLS_LE_HI);
+	      require_symbol = 1;
+	      break;
+
+	    case O_tls_le_ha16:
+	      HANDLE_OP16 (TLS_LE_HA);
+	      require_symbol = 1;
+	      break;
+
 #undef HANDLE_OP16
 
 	    case O_plt:
@@ -532,6 +566,57 @@ emit_tilepro_instruction (tilepro_bundle_bits bits,
 	      require_symbol = 1;
 	      break;
 
+	    case O_tls_gd_call:
+	      switch (reloc)
+		{
+		case BFD_RELOC_TILEPRO_JOFFLONG_X1:
+		  reloc = BFD_RELOC_TILEPRO_TLS_GD_CALL;
+		  break;
+		default:
+		  die = 1;
+		  break;
+		}
+	      use_subexp = 1;
+	      require_symbol = 1;
+	      break;
+
+	    case O_tls_gd_add:
+	      switch (reloc)
+		{
+		case BFD_RELOC_TILEPRO_IMM8_X0:
+		  reloc = BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD;
+		  break;
+		case BFD_RELOC_TILEPRO_IMM8_X1:
+		  reloc = BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD;
+		  break;
+		case BFD_RELOC_TILEPRO_IMM8_Y0:
+		  reloc = BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD;
+		  break;
+		case BFD_RELOC_TILEPRO_IMM8_Y1:
+		  reloc = BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD;
+		  break;
+		default:
+		  die = 1;
+		  break;
+		}
+	      use_subexp = 1;
+	      require_symbol = 1;
+	      break;
+
+	    case O_tls_ie_load:
+	      switch (reloc)
+		{
+		case BFD_RELOC_TILEPRO_IMM8_X1:
+		  reloc = BFD_RELOC_TILEPRO_TLS_IE_LOAD;
+		  break;
+		default:
+		  die = 1;
+		  break;
+		}
+	      use_subexp = 1;
+	      require_symbol = 1;
+	      break;
+
 	    default:
 	      /* Do nothing.  */
 	      break;
@@ -1298,22 +1383,36 @@ md_apply_fix (fixS *fixP, valueT * valP, segT seg ATTRIBUTE_UNUSED)
 #ifdef OBJ_ELF
       switch (fixP->fx_r_type)
 	{
+	case BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD:
+	case BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD:
+	case BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD:
+	case BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD:
 	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD:
 	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD:
-	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE:
-	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE:
 	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_LO:
 	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_LO:
-	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_LO:
-	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_LO:
 	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_HI:
 	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_HI:
-	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HI:
-	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HI:
 	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_HA:
 	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_HA:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_LO:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_LO:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HI:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HI:
 	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HA:
 	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HA:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_LO:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_LO:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HI:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HI:
+	case BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA:
+	case BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA:
+	case BFD_RELOC_TILEPRO_TLS_GD_CALL:
+	case BFD_RELOC_TILEPRO_TLS_IE_LOAD:
 	case BFD_RELOC_TILEPRO_TLS_DTPMOD32:
 	case BFD_RELOC_TILEPRO_TLS_DTPOFF32:
 	case BFD_RELOC_TILEPRO_TLS_TPOFF32: