gold aarch64 patch to enable linking hello_wolrd.

[deliverable/binutils-gdb.git] / gold / aarch64-reloc.def

// aarch64-reloc.def -- AArch64 relocation definitions.

// Copyright (C) 2014 Free Software Foundation, Inc.
// Written by Han Shen <shenhan@google.com> and Jing Yu <jingyu@google.com>.

// This file is part of gold.

// 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; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.
//
//
//
// Insn modified by relocation, see enum Reloc_inst -------------------------------------------------------------------------+
// Symbol reference type -----------------------------------------------------------------------------+		             |
// Portion off X to retrieve -------------------------------------------------------------------+     |		             |
// Checking function, see Note(A)---------------------------------------+                       |     |		             |
// Group index---------------------------------------------------+      |                       |     |		             |
// Implemented----------------------------------------------+    |      |                       |     |		             |
// Class-------------------------------------+              |    |      |                       |     |		             |
// Type----------------------------+         |              |    |      |                       |     |		             |
// Name                            |         |              |    |      |                       |     |		             |
//  |                              |         |              |    |      |                       |     |		             |
ARD(ABS64                        , STATIC ,  DATA       ,   Y,  -1,    0,0                ,    0,0  , Symbol::ABSOLUTE_REF , DATA )
ARD(ABS32                        , STATIC ,  DATA       ,   Y,  -1,   31,32               ,    0,0  , Symbol::ABSOLUTE_REF , DATA )
ARD(ABS16                        , STATIC ,  DATA       ,   Y,  -1,   15,16               ,    0,0  , Symbol::ABSOLUTE_REF , DATA )
ARD(PREL64                       , STATIC ,  DATA       ,   Y,  -1,    0,0                ,    0,0  , Symbol::RELATIVE_REF , DATA )
ARD(PREL32                       , STATIC ,  DATA       ,   Y,  -1,   31,32               ,    0,0  , Symbol::RELATIVE_REF , DATA )
ARD(PREL16                       , STATIC ,  DATA       ,   Y,  -1,   15,16               ,    0,0  , Symbol::RELATIVE_REF , DATA )
// Above is from Table 4-6, Data relocations, 257-262.

ARD(ADR_PREL_PG_HI21             , STATIC ,  AARCH64    ,   Y,  -1,   32,32               ,   12,32 , Symbol::RELATIVE_REF , ADRP )
ARD(ADR_PREL_PG_HI21_NC          , STATIC ,  AARCH64    ,   Y,  -1,    0,0                ,   12,32 , Symbol::RELATIVE_REF , ADRP )
ARD(LDST8_ABS_LO12_NC            , STATIC ,  AARCH64    ,   Y,  -1,    0,0                ,    0,11 , Symbol::ABSOLUTE_REF , LDST )
ARD(LDST16_ABS_LO12_NC           , STATIC ,  AARCH64    ,   Y,  -1,    0,RL_CHECK_ALIGN2  ,    1,11 , Symbol::ABSOLUTE_REF , LDST )
ARD(LDST32_ABS_LO12_NC           , STATIC ,  AARCH64    ,   Y,  -1,    0,RL_CHECK_ALIGN4  ,    2,11 , Symbol::ABSOLUTE_REF , LDST )
ARD(LDST64_ABS_LO12_NC           , STATIC ,  AARCH64    ,   Y,  -1,    0,RL_CHECK_ALIGN8  ,    3,11 , Symbol::ABSOLUTE_REF , LDST )
ARD(LDST128_ABS_LO12_NC          , STATIC ,  AARCH64    ,   Y,  -1,    0,RL_CHECK_ALIGN16 ,    4,11 , Symbol::ABSOLUTE_REF , LDST )
ARD(ADD_ABS_LO12_NC              , STATIC ,  AARCH64    ,   Y,  -1,    0,0                ,    0,11 , Symbol::ABSOLUTE_REF , ADD )
ARD(ADR_GOT_PAGE                 , STATIC ,  AARCH64    ,   Y,  -1,   32,32               ,   12,32 , Symbol::RELATIVE_REF , ADRP )
ARD(LD64_GOT_LO12_NC             , STATIC ,  AARCH64    ,   Y,  -1,    0,RL_CHECK_ALIGN8  ,    3,11 , Symbol::ABSOLUTE_REF , LDST )
ARD(TSTBR14                      , STATIC ,  CFLOW      ,   N,  -1,   15,15               ,    2,15 , Symbol::ABSOLUTE_REF , TBZNZ )
ARD(CONDBR19                     , STATIC ,  CFLOW      ,   N,  -1,   20,20               ,    2,20 , Symbol::ABSOLUTE_REF , CONDB )
ARD(CALL26                       , STATIC ,  CFLOW      ,   Y,  -1,   27,27               ,    2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , CALL )
ARD(JUMP26                       , STATIC ,  CFLOW      ,   Y,  -1,   27,27               ,    2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , B )
// Above is from Table 4-10, Relocations for control-flow instructions,
// 279-283.

ARD(TLSIE_MOVW_GOTTPREL_G1       , STATIC ,  AARCH64    ,   N,  -1,    0,0                ,   16,31 , Symbol::ABSOLUTE_REF , MOVW )
ARD(TLSIE_MOVW_GOTTPREL_G0_NC    , STATIC ,  AARCH64    ,   N,  -1,    0,0                ,    0,15 , Symbol::ABSOLUTE_REF , MOVW )
ARD(TLSIE_ADR_GOTTPREL_PAGE21    , STATIC ,  AARCH64    ,   Y,  -1,   32,32               ,   12,32 , Symbol::ABSOLUTE_REF , ADRP )
ARD(TLSIE_LD64_GOTTPREL_LO12_NC  , STATIC ,  AARCH64    ,   N,  -1,   32,32               ,   12,32 , Symbol::ABSOLUTE_REF , LDST )
ARD(TLSIE_LD_GOTTPREL_PREL19     , STATIC ,  AARCH64    ,   N,  -1,   20,20               ,    2,20 , Symbol::ABSOLUTE_REF , LD )
// Above is from Table 4-17, Initial Exec TLS relocations, 539-543.

// Note -
// A - Checking X, (L,U), if L == 0 && U == 0, no check. Otherwise, L!=0,
//     check that -2^L<=X<2^U. Also an extra alignment check could be embeded
//     into U.