9363c7c3ad
elfcpp/ChangeLog: 2014-08-08 Han Shen <shenhan@google.com> * aarch64.h (withdrawn): Replaced with R_AARCH64_withdrawn. 2014-08-08 Jing Yu <jingyu@google.com> Han Shen <shenhan@google.com> * Makefile.am (HFILES): Add aarch64-reloc-property.h. (DEFFILES): add aarch64-reloc.def. (TARGETSOURCES): Add aarch64-reloc-property.cc. (ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT). * Makefile.in: Regenerate. * aarch64-reloc-property.cc: New file. * aarch64-reloc-property.h: New file. * aarch64-reloc.def: New file. * aarch64.cc: Include aarch64-reloc-property.h. Replace spaces with tab to make the format consistent. (Output_data_got_aarch64::symbol_table_): New method. (Target_aarch64::do_plt_address_for_global): New method. (Target_aarch64::do_plt_address_for_local): New method. (Target_aarch64::do_select_as_default_target): New method. (Target_aarch64::do_make_data_plt): New method. (Target_aarch64::make_data_plt): New method. (Output_data_plt_aarch64::has_irelative_section): New method. (Output_data_plt_aarch64::address_for_global): New method. (Output_data_plt_aarch64::address_for_local): New method. (Output_data_plt_aarch64::irelative_rel_): New parameter. (Output_data_plt_aarch64::add_entry): Implement contents. (Output_data_plt_aarch64::set_final_data_size): Fix typo. (Output_data_plt_aarch64::do_write): Remove useless got_base. Set the got_pov entry to plt0. (Output_data_plt_aarch64_standard::do_fill_first_plt_entry): Implement contents. (Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement. (AArch64_howto): New struct. (aarch64_howto[]): New static const array. (AArch64_relocate_functions): New class. (Target_aarch64::Scan::get_reference_flags): Remove method. (Target_aarch64::Scan::local): Implement to support a few relocations. (Target_aarch64::Scan::global): Implement to support a few relocations. (Target_aarch64::make_plt_section): Implement contents. (Target_aarch64::make_plt_entry): Implement contents. (Target_aarch64::do_finalize_sections): Implement contents. (Target_aarch64::Relocate::relocate): Implement a few relocations. (Target_aarch64::relocate_section): Implement contents.
70 lines
5.7 KiB
Modula-2
70 lines
5.7 KiB
Modula-2
// aarch64-reloc.def -- AArch64 relocation definitions.
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// Copyright (C) 2014 Free Software Foundation, Inc.
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// Written by Han Shen <shenhan@google.com> and Jing Yu <jingyu@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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//
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//
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//
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// Insn modified by relocation, see enum Reloc_inst -------------------------------------------------------------------------+
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// Symbol reference type -----------------------------------------------------------------------------+ |
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// Portion off X to retrieve -------------------------------------------------------------------+ | |
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// Checking function, see Note(A)---------------------------------------+ | | |
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// Group index---------------------------------------------------+ | | | |
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// Implemented----------------------------------------------+ | | | | |
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// Class-------------------------------------+ | | | | | |
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// Type----------------------------+ | | | | | | |
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// Name | | | | | | | |
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// | | | | | | | | |
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ARD(ABS64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::ABSOLUTE_REF , DATA )
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ARD(ABS32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::ABSOLUTE_REF , DATA )
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ARD(ABS16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::ABSOLUTE_REF , DATA )
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ARD(PREL64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::RELATIVE_REF , DATA )
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ARD(PREL32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::RELATIVE_REF , DATA )
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ARD(PREL16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::RELATIVE_REF , DATA )
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// Above is from Table 4-6, Data relocations, 257-262.
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ARD(ADR_PREL_PG_HI21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP )
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ARD(ADR_PREL_PG_HI21_NC , STATIC , AARCH64 , Y, -1, 0,0 , 12,32 , Symbol::RELATIVE_REF , ADRP )
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ARD(LDST8_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , LDST )
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ARD(LDST16_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN2 , 1,11 , Symbol::ABSOLUTE_REF , LDST )
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ARD(LDST32_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN4 , 2,11 , Symbol::ABSOLUTE_REF , LDST )
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ARD(LDST64_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST )
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ARD(LDST128_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN16 , 4,11 , Symbol::ABSOLUTE_REF , LDST )
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ARD(ADD_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , ADD )
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ARD(ADR_GOT_PAGE , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP )
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ARD(LD64_GOT_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST )
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ARD(TSTBR14 , STATIC , CFLOW , N, -1, 15,15 , 2,15 , Symbol::ABSOLUTE_REF , TBZNZ )
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ARD(CONDBR19 , STATIC , CFLOW , N, -1, 20,20 , 2,20 , Symbol::ABSOLUTE_REF , CONDB )
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ARD(CALL26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , CALL )
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ARD(JUMP26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , B )
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// Above is from Table 4-10, Relocations for control-flow instructions,
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// 279-283.
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ARD(TLSIE_MOVW_GOTTPREL_G1 , STATIC , AARCH64 , N, -1, 0,0 , 16,31 , Symbol::ABSOLUTE_REF , MOVW )
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ARD(TLSIE_MOVW_GOTTPREL_G0_NC , STATIC , AARCH64 , N, -1, 0,0 , 0,15 , Symbol::ABSOLUTE_REF , MOVW )
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ARD(TLSIE_ADR_GOTTPREL_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::ABSOLUTE_REF , ADRP )
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ARD(TLSIE_LD64_GOTTPREL_LO12_NC , STATIC , AARCH64 , N, -1, 32,32 , 12,32 , Symbol::ABSOLUTE_REF , LDST )
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ARD(TLSIE_LD_GOTTPREL_PREL19 , STATIC , AARCH64 , N, -1, 20,20 , 2,20 , Symbol::ABSOLUTE_REF , LD )
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// Above is from Table 4-17, Initial Exec TLS relocations, 539-543.
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// Note -
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// A - Checking X, (L,U), if L == 0 && U == 0, no check. Otherwise, L!=0,
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// check that -2^L<=X<2^U. Also an extra alignment check could be embeded
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// into U.
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