2012-09-11 Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>

[deliverable/binutils-gdb.git] / include / elf / aarch64.h

/* AArch64 ELF support for BFD.

   Copyright 2009, 2010, 2011, 2012  Free Software Foundation, Inc.
   Contributed by ARM Ltd.

   This file is part of GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the license, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING3. If not,
   see <http://www.gnu.org/licenses/>.  */

#ifndef _ELF_AARCH64_H
#define _ELF_AARCH64_H

#include "elf/reloc-macros.h"

/* Processor specific program header types.  */
#define PT_AARCH64_ARCHEXT	(PT_LOPROC + 0)

/* Additional section types.  */
#define SHT_AARCH64_ATTRIBUTES	0x70000003  /* Section holds attributes.  */

/* AArch64-specific values for sh_flags.  */
#define SHF_ENTRYSECT		0x10000000   /* Section contains an
						entry point.  */
#define SHF_COMDEF		0x80000000   /* Section may be multiply defined
						in the input to a link step.  */

/* Relocation types.  */

START_RELOC_NUMBERS (elf_aarch64_reloc_type)

/* Null relocations.  */
RELOC_NUMBER (R_AARCH64_NONE, 0) /* No reloc */

FAKE_RELOC (R_AARCH64_static_min, 256)

RELOC_NUMBER (R_AARCH64_NULL, 256) /* No reloc */

/* Basic data relocations.  */

/* .xword: (S+A) */
RELOC_NUMBER (R_AARCH64_ABS64, 257)

/* .word:  (S+A) */
RELOC_NUMBER (R_AARCH64_ABS32, 258)

/* .half: (S+A) */
RELOC_NUMBER (R_AARCH64_ABS16, 259)

/* .xword: (S+A-P) */
RELOC_NUMBER (R_AARCH64_PREL64, 260)

/* .word: (S+A-P) */
RELOC_NUMBER (R_AARCH64_PREL32, 261)

/* .half:  (S+A-P) */
RELOC_NUMBER (R_AARCH64_PREL16, 262)

/* Group relocations to create a 16, 32, 48 or 64 bit
   unsigned data or abs address inline.  */

/* MOV[ZK]:   ((S+A) >>  0) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G0,		263)

/* MOV[ZK]:   ((S+A) >>  0) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G0_NC, 264)

/* MOV[ZK]:   ((S+A) >> 16) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G1, 265)

/* MOV[ZK]:   ((S+A) >> 16) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G1_NC, 266)

/* MOV[ZK]:   ((S+A) >> 32) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G2, 267)

/* MOV[ZK]:   ((S+A) >> 32) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G2_NC, 268)

/* MOV[ZK]:   ((S+A) >> 48) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_UABS_G3, 269)

/* Group relocations to create high part of a 16, 32, 48 or 64 bit
   signed data or abs address inline. Will change instruction
   to MOVN or MOVZ depending on sign of calculated value.  */

/* MOV[ZN]:   ((S+A) >>  0) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_SABS_G0, 270)

/* MOV[ZN]:   ((S+A) >> 16) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_SABS_G1, 271)

/* MOV[ZN]:   ((S+A) >> 32) & 0xffff */
RELOC_NUMBER (R_AARCH64_MOVW_SABS_G2, 272)

/* Relocations to generate 19, 21 and 33 bit PC-relative load/store
   addresses: PG(x) is (x & ~0xfff).  */

/* LD-lit: ((S+A-P) >> 2) & 0x7ffff */
RELOC_NUMBER (R_AARCH64_LD_PREL_LO19, 273)

/* ADR:    (S+A-P) & 0x1fffff */
RELOC_NUMBER (R_AARCH64_ADR_PREL_LO21, 274)

/* ADRH:   ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
RELOC_NUMBER (R_AARCH64_ADR_PREL_PG_HI21, 275)

/* ADRH:   ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
RELOC_NUMBER (R_AARCH64_ADR_PREL_PG_HI21_NC, 276)

/* ADD:    (S+A) & 0xfff */
RELOC_NUMBER (R_AARCH64_ADD_ABS_LO12_NC, 277)

/* LD/ST8: (S+A) & 0xfff */
RELOC_NUMBER (R_AARCH64_LDST8_ABS_LO12_NC, 278)

/* Relocations for control-flow instructions.  */

/* TBZ/NZ: ((S+A-P) >> 2) & 0x3fff.  */
RELOC_NUMBER (R_AARCH64_TSTBR14, 279)

/* B.cond: ((S+A-P) >> 2) & 0x7ffff.  */
RELOC_NUMBER (R_AARCH64_CONDBR19, 280)

/* 281 unused */

/* B:      ((S+A-P) >> 2) & 0x3ffffff.  */
RELOC_NUMBER (R_AARCH64_JUMP26, 282)

/* BL:     ((S+A-P) >> 2) & 0x3ffffff.  */
RELOC_NUMBER (R_AARCH64_CALL26, 283)

/* LD/ST16: (S+A) & 0xffe */
RELOC_NUMBER (R_AARCH64_LDST16_ABS_LO12_NC, 284)

/* LD/ST32: (S+A) & 0xffc */
RELOC_NUMBER (R_AARCH64_LDST32_ABS_LO12_NC, 285)

/* LD/ST64: (S+A) & 0xff8 */
RELOC_NUMBER (R_AARCH64_LDST64_ABS_LO12_NC, 286)

/* LD/ST128: (S+A) & 0xff0 */
RELOC_NUMBER (R_AARCH64_LDST128_ABS_LO12_NC, 299)

RELOC_NUMBER (R_AARCH64_GOT_LD_PREL19, 309)
RELOC_NUMBER (R_AARCH64_ADR_GOT_PAGE, 311)
RELOC_NUMBER (R_AARCH64_LD64_GOT_LO12_NC, 312)

FAKE_RELOC (R_AARCH64_static_max, 313)

FAKE_RELOC (R_AARCH64_tls_min, 512)
RELOC_NUMBER (R_AARCH64_TLSGD_ADR_PAGE21, 513)
RELOC_NUMBER (R_AARCH64_TLSGD_ADD_LO12_NC, 514)
RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G1, 539)
RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC, 540)
RELOC_NUMBER (R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21, 541)
RELOC_NUMBER (R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC, 542)
RELOC_NUMBER (R_AARCH64_TLSIE_LD_GOTTPREL_PREL19, 543)
RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G2, 544)
RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G1, 545)
RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G1_NC, 546)
RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0, 547)
RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0_NC, 548)
RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_HI12, 549)
RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12, 550)
RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12_NC, 551)
FAKE_RELOC (R_AARCH64_tls_max, 552)

FAKE_RELOC (R_AARCH64_tlsdesc_min, 560)
RELOC_NUMBER (R_AARCH64_TLSDESC_LD64_PREL19, 560)
RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PREL21, 561)
RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PAGE, 562)
RELOC_NUMBER (R_AARCH64_TLSDESC_LD64_LO12_NC, 563)
RELOC_NUMBER (R_AARCH64_TLSDESC_ADD_LO12_NC, 564)
RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G1, 565)
RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G0_NC, 566)
RELOC_NUMBER (R_AARCH64_TLSDESC_LDR, 567)
RELOC_NUMBER (R_AARCH64_TLSDESC_ADD, 568)
RELOC_NUMBER (R_AARCH64_TLSDESC_CALL, 569)
FAKE_RELOC (R_AARCH64_tlsdesc_max, 570)

/* Dynamic relocations */
FAKE_RELOC (R_AARCH64_dyn_min, 1024)

/* Copy symbol at runtime.  */
RELOC_NUMBER (R_AARCH64_COPY, 1024)

/* Create GOT entry.  */
RELOC_NUMBER (R_AARCH64_GLOB_DAT, 1025)

 /* Create PLT entry.  */
RELOC_NUMBER (R_AARCH64_JUMP_SLOT, 1026)

/* Adjust by program base.  */
RELOC_NUMBER (R_AARCH64_RELATIVE, 1027)
RELOC_NUMBER (R_AARCH64_TLS_DTPMOD64, 1028)
RELOC_NUMBER (R_AARCH64_TLS_DTPREL64, 1029)
RELOC_NUMBER (R_AARCH64_TLS_TPREL64, 1030)
RELOC_NUMBER (R_AARCH64_TLSDESC, 1031)
FAKE_RELOC (R_AARCH64_dyn_max, 1032)

END_RELOC_NUMBERS (R_AARCH64_end)

#endif /* _ELF_AARCH64_H */