From e5b95258d9dd1ecc4a53baf56308ce78f19f4904 Mon Sep 17 00:00:00 2001
From: Walter Lee <walt@tilera.com>
Date: Tue, 28 Aug 2012 02:43:22 +0000
Subject: Add support for constructing pc-relative addresses to the plt, by
 adding the necessary assembly operators and relocations.

bfd:
	* reloc.c (Add BFD_RELOC_TILEGX_IMM16_X0_HW0_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW0_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X0_HW1_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW1_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X0_HW3_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW3_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL,
	BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL): new relocations.
	* elfxx-tilegx.c (tilegx_elf_howto_table): Handle new relocations.
	(tilegx_reloc_map): Ditto.
	(reloc_to_create_func): Ditto.
	(tilegx_elf_check_relocs): Ditto.
	(tilegx_elf_gc_sweep_hook): Ditto.
	(tilegx_elf_relocate_section): Ditto.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.

gas:
	* tc-tilegx.c (O_hw0_plt): Define operator.
	(O_hw1_plt): Ditto.
	(O_hw1_last_plt): Ditto.
	(O_hw2_last_plt): Ditto.
	(md_begin): Handle new operators.
	(emit_tilegx_instruction): Ditto.
	(md_apply_fix): Ditto.
	* doc/c-tilegx.texi: Document new operators.

include/elf:
	* tilegx.h (R_TILEGX_IMM16_X0_HW0_PLT_PCREL): New relocation.
	(R_TILEGX_IMM16_X1_HW0_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X0_HW1_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X1_HW1_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X0_HW2_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X1_HW2_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X0_HW3_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X1_HW3_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL): Ditto.
	(R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL	): Ditto.
	(R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL): Ditto.
---
 bfd/bfd-in2.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'bfd/bfd-in2.h')

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index e496083..bc5ed0c 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -5421,10 +5421,18 @@ giving a 16 bit signed byte offset.  */
   BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_PCREL,
   BFD_RELOC_TILEGX_IMM16_X0_HW0_GOT,
   BFD_RELOC_TILEGX_IMM16_X1_HW0_GOT,
+  BFD_RELOC_TILEGX_IMM16_X0_HW0_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW0_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X0_HW1_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW1_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X0_HW2_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW2_PLT_PCREL,
   BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_GOT,
   BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_GOT,
   BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_GOT,
   BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_GOT,
+  BFD_RELOC_TILEGX_IMM16_X0_HW3_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW3_PLT_PCREL,
   BFD_RELOC_TILEGX_IMM16_X0_HW0_TLS_GD,
   BFD_RELOC_TILEGX_IMM16_X1_HW0_TLS_GD,
   BFD_RELOC_TILEGX_IMM16_X0_HW0_TLS_LE,
@@ -5439,6 +5447,12 @@ giving a 16 bit signed byte offset.  */
   BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_TLS_GD,
   BFD_RELOC_TILEGX_IMM16_X0_HW0_TLS_IE,
   BFD_RELOC_TILEGX_IMM16_X1_HW0_TLS_IE,
+  BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL,
+  BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL,
   BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_TLS_IE,
   BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_TLS_IE,
   BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_TLS_IE,
-- 
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