2009-05-28 02:27:42 +08:00
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// arm.h -- ELF definitions specific to EM_ARM -*- C++ -*-
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2016-01-01 19:25:12 +08:00
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// Copyright (C) 2009-2016 Free Software Foundation, Inc.
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2009-05-28 02:27:42 +08:00
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// Written by Doug Kwan <dougkwan@google.com>.
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// This file is part of elfcpp.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public License
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// as published by the Free Software Foundation; either version 2, or
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// (at your option) any later version.
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// In addition to the permissions in the GNU Library General Public
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// License, the Free Software Foundation gives you unlimited
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// permission to link the compiled version of this file into
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// combinations with other programs, and to distribute those
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// combinations without any restriction coming from the use of this
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// file. (The Library Public License restrictions do apply in other
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// respects; for example, they cover modification of the file, and
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// distribution when not linked into a combined executable.)
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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// 02110-1301, USA.
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#ifndef ELFCPP_ARM_H
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#define ELFCPP_ARM_H
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// The relocation type information is taken from:
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//
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// ELF for the ARM Architecture
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// Document number: ARM IHI 0044C, current through ABI release 2.07
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// Date of Issue: 10th October, 2008
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//
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namespace elfcpp
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{
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//
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// ARM Relocations Codes
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//
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// Operation notes:
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// S: Address of the symbol.
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// A: Addend for relocation.
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// P: Address of the place being relocated.
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// Pa: Adjusted address of the place being relocated (P & 0xfffffffc)
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// T: is 1 if S has type STT_FUNC and the symbol addresses a Thumb
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// instruction.Thumb-bit; it is 0 otherwise.
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// B(S): Addressing origin of the output segment defining S.
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// GOT_ORG: Addressing origin of the Global Offset Table.
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// GOT(S): Address of the GOT entry for S.
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//
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enum
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{
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// Type Class Operation
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// ------------------------------
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R_ARM_NONE = 0, // Static Misc
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R_ARM_PC24 = 1, // Deprecated ARM ((S + A) | T) - P
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R_ARM_ABS32 = 2, // Static Data (S + A) | T
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R_ARM_REL32 = 3, // Static Data ((S + A) | T) - P
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R_ARM_LDR_PC_G0 = 4, // Static ARM S + A - P
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R_ARM_ABS16 = 5, // Static Data S + A
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R_ARM_ABS12 = 6, // Static ARM S + A
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R_ARM_THM_ABS5 = 7, // Static Thumb16 S + A
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R_ARM_ABS8 = 8, // Static Data S + A
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R_ARM_SBREL32 = 9, // Static Data ((S + A) | T) - B(S)
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R_ARM_THM_CALL = 10, // Static Thumb32 ((S + A) | T) - P
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R_ARM_THM_PC8 = 11, // Static Thumb16
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R_ARM_BREL_ADJ = 12, // Dynamic Data DeltaB(S) + A
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R_ARM_TLS_DESC = 13, // Dynamic Data
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R_ARM_THM_SWI8 = 14, // Obsolete
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R_ARM_XPC25 = 15, // Obsolete
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R_ARM_THM_XPC22 = 16, // Obsolete
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R_ARM_TLS_DTPMOD32 = 17, // Dynamic Data Module(S)
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R_ARM_TLS_DTPOFF32 = 18, // Dynamic Data S + A - TLS
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R_ARM_TLS_TPOFF32 = 19, // Dynamic Data S + A - tp
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R_ARM_COPY = 20, // Dynamic Misc
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R_ARM_GLOB_DAT = 21, // Dynamic Data (S + A) | T
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R_ARM_JUMP_SLOT = 22, // Dynamic Data (S + A) | T
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R_ARM_RELATIVE = 23, // Dynamic Data B(S) + A
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R_ARM_GOTOFF32 = 24, // Static Data (((S + A) | T) - GOT_ORG
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R_ARM_BASE_PREL = 25, // Static Data B(S) + A - P
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R_ARM_GOT_BREL = 26, // Static Data GOT(S) + A - GOT_ORG
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R_ARM_PLT32 = 27, // Deprecated ARM ((S + A) | T) - P
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R_ARM_CALL = 28, // Static ARM ((S + A) | T) - P
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R_ARM_JUMP24 = 29, // Static ARM ((S + A) | T) - P
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R_ARM_THM_JUMP24 = 30, // Static Thumb32 ((S + A) | T) - P
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R_ARM_BASE_ABS = 31, // Static Data B(S) + A
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R_ARM_ALU_PCREL_7_0 = 32, // Obsolete
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R_ARM_ALU_PCREL_15_8 = 33, // Obsolete
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R_ARM_ALU_PCREL_23_15 = 34, // Obsolete
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R_ARM_LDR_SBREL_11_0_NC = 35, // Deprecated ARM S + A - B(S)
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R_ARM_ALU_SBREL_19_12_NC = 36,// Deprecated ARM S + A - B(S)
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R_ARM_ALU_SBREL_27_20_CK = 37,// Deprecated ARM S + A - B(S)
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R_ARM_TARGET1 = 38, // Data Misc (S + A) | T or
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// ((S + A) | T) - P
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R_ARM_SBREL31 = 39, // Deprecated Data ((S + A) | T) - B(S)
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R_ARM_V4BX = 40, // Static Misc
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R_ARM_TARGET2 = 41, // Static Misc
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R_ARM_PREL31 = 42, // Static Data ((S + A) | T) - P
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R_ARM_MOVW_ABS_NC = 43, // Static ARM (S + A) | T
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R_ARM_MOVT_ABS = 44, // Static ARM S + A
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R_ARM_MOVW_PREL_NC = 45, // Static ARM ((S + A) | T) - P
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R_ARM_MOVT_PREL = 46, // Static ARM S + A - P
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R_ARM_THM_MOVW_ABS_NC = 47, // Static Thumb32 (S + A) | T
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R_ARM_THM_MOVT_ABS = 48, // Static Thumb32 S + A - P
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R_ARM_THM_MOVW_PREL_NC = 49, // Static Thumb32 ((S + A) | T) - P
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R_ARM_THM_MOVT_PREL = 50, // Static Thumb32 S + A - P
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R_ARM_THM_JUMP19 = 51, // Static Thumb32 ((S + A) | T) - P
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R_ARM_THM_JUMP6 = 52, // Static Thumb16 S + A - P
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R_ARM_THM_ALU_PREL_11_0 = 53, // Static Thumb32 ((S + A) | T) - Pa
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R_ARM_THM_PC12 = 54, // Static Thumb32 S + A - Pa
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R_ARM_ABS32_NOI = 55, // Static Data S + A
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R_ARM_REL32_NOI = 56, // Static Data S + A - P
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R_ARM_ALU_PC_G0_NC = 57, // Static ARM ((S + A) | T) - P
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R_ARM_ALU_PC_G0 = 58, // Static ARM ((S + A) | T) - P
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R_ARM_ALU_PC_G1_NC = 59, // Static ARM ((S + A) | T) - P
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R_ARM_ALU_PC_G1 = 60, // Static ARM ((S + A) | T) - P
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R_ARM_ALU_PC_G2 = 61, // Static ARM ((S + A) | T) - P
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R_ARM_LDR_PC_G1 = 62, // Static ARM S + A - P
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R_ARM_LDR_PC_G2 = 63, // Static ARM S + A - P
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R_ARM_LDRS_PC_G0 = 64, // Static ARM S + A - P
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R_ARM_LDRS_PC_G1 = 65, // Static ARM S + A - P
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R_ARM_LDRS_PC_G2 = 66, // Static ARM S + A - P
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R_ARM_LDC_PC_G0 = 67, // Static ARM S + A - P
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R_ARM_LDC_PC_G1 = 68, // Static ARM S + A - P
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R_ARM_LDC_PC_G2 = 69, // Static ARM S + A - P
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R_ARM_ALU_SB_G0_NC = 70, // Static ARM ((S + A) | T) - B(S)
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R_ARM_ALU_SB_G0 = 71, // Static ARM ((S + A) | T) - B(S)
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R_ARM_ALU_SB_G1_NC = 72, // Static ARM ((S + A) | T) - B(S)
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R_ARM_ALU_SB_G1 = 73, // Static ARM ((S + A) | T) - B(S)
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R_ARM_ALU_SB_G2 = 74, // Static ARM ((S + A) | T) - B(S)
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R_ARM_LDR_SB_G0 = 75, // Static ARM S + A - B(S)
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R_ARM_LDR_SB_G1 = 76, // Static ARM S + A - B(S)
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R_ARM_LDR_SB_G2 = 77, // Static ARM S + A - B(S)
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R_ARM_LDRS_SB_G0 = 78, // Static ARM S + A - B(S)
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R_ARM_LDRS_SB_G1 = 79, // Static ARM S + A - B(S)
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R_ARM_LDRS_SB_G2 = 80, // Static ARM S + A - B(S)
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R_ARM_LDC_SB_G0 = 81, // Static ARM S + A - B(S)
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R_ARM_LDC_SB_G1 = 82, // Static ARM S + A - B(S)
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R_ARM_LDC_SB_G2 = 83, // Static ARM S + A - B(S)
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R_ARM_MOVW_BREL_NC = 84, // Static ARM ((S + A) | T) - B(S)
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R_ARM_MOVT_BREL = 85, // Static ARM S + A - B(S)
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R_ARM_MOVW_BREL = 86, // Static ARM ((S + A) | T) - B(S)
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R_ARM_THM_MOVW_BREL_NC = 87, // Static Thumb32 ((S + A) | T) - B(S)
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R_ARM_THM_MOVT_BREL = 88, // Static Thumb32 S + A - B(S)
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R_ARM_THM_MOVW_BREL = 89, // Static Thumb32 ((S + A) | T) - B(S)
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R_ARM_TLS_GOTDESC = 90, // Static Data
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R_ARM_TLS_CALL = 91, // Static ARM
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R_ARM_TLS_DESCSEQ = 92, // Static ARM TLS relaxation
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R_ARM_THM_TLS_CALL = 93, // Static Thumb32
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R_ARM_PLT32_ABS = 94, // Static Data PLT(S) + A
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R_ARM_GOT_ABS = 95, // Static Data GOT(S) + A
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R_ARM_GOT_PREL = 96, // Static Data GOT(S) + A - P
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R_ARM_GOT_BREL12 = 97, // Static ARM GOT(S) + A - GOT_ORG
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R_ARM_GOTOFF12 = 98, // Static ARM S + A - GOT_ROG
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R_ARM_GOTRELAX = 99, // Static Misc
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R_ARM_GNU_VTENTRY = 100, // Deprecated Data
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R_ARM_GNU_VTINHERIT = 101, // Deprecated Data
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R_ARM_THM_JUMP11 = 102, // Static Thumb16 S + A - P
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R_ARM_THM_JUMP8 = 103, // Static Thumb16 S + A - P
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R_ARM_TLS_GD32 = 104, // Static Data GOT(S) + A - P
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R_ARM_TLS_LDM32 = 105, // Static Data GOT(S) + A - P
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R_ARM_TLS_LDO32 = 106, // Static Data S + A - TLS
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R_ARM_TLS_IE32 = 107, // Static Data GOT(S) + A - P
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R_ARM_TLS_LE32 = 108, // Static Data S + A - tp
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R_ARM_TLS_LDO12 = 109, // Static ARM S + A - TLS
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R_ARM_TLS_LE12 = 110, // Static ARM S + A - tp
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R_ARM_TLS_IE12GP = 111, // Static ARM GOT(S) + A - GOT_ORG
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R_ARM_PRIVATE_0 = 112, // Private (n = 0, 1, ... 15)
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R_ARM_PRIVATE_1 = 113,
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R_ARM_PRIVATE_2 = 114,
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R_ARM_PRIVATE_3 = 115,
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R_ARM_PRIVATE_4 = 116,
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R_ARM_PRIVATE_5 = 117,
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R_ARM_PRIVATE_6 = 118,
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R_ARM_PRIVATE_7 = 119,
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R_ARM_PRIVATE_8 = 120,
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R_ARM_PRIVATE_9 = 121,
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R_ARM_PRIVATE_10 = 122,
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R_ARM_PRIVATE_11 = 123,
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R_ARM_PRIVATE_12 = 124,
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R_ARM_PRIVATE_13 = 125,
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R_ARM_PRIVATE_14 = 126,
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R_ARM_PRIVATE_15 = 127,
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R_ARM_ME_TOO = 128, // Obsolete
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R_ARM_THM_TLS_DESCSEQ16 = 129,// Static Thumb16
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2009-05-28 02:27:42 +08:00
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R_ARM_THM_TLS_DESCSEQ32 = 130,// Static Thumb32
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// 131 - 139 Unallocated
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// 140 - 159 Dynamic Reserved for future allocation
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R_ARM_IRELATIVE = 160, // Dynamic
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// 161 - 255 Unallocated
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2009-05-28 02:27:42 +08:00
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};
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2009-10-30 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog:
* arm.h (EF_ARM_BE8, EF_ARM_EABIMASK, EF_ARM_EABI_UNKNOWN,
EF_ARM_EABI_VER1, EF_ARM_EABI_VER2, EF_ARM_EABI_VER3,
EF_ARM_EABI_VER4, EF_ARM_EABI_VER5): New enums for processor-specific
flags.
(arm_eabi_version): New inline function.
* elfcpp.h: Add a comment about DT_ENCODING.
gold/ChangeLog:
* arm.cc (Arm_relobj::processor_specific_flags): New method
definition.
(Arm_relobj::do_read_symbols): New method declaration.
(Arm_relobj::processor_specific_flags_): New data member declaration.
(Arm_dynobj): New class definition.
(Target_arm::do_finalize_sections): Add input_objects parameter.
(Target_arm::do_adjust_elf_header): New method declaration.
(Target_arm::are_eabi_versions_compatible,
(Target_arm::merge_processor_specific_flags): New method declaration.
(Target_arm::do_make_elf_object): New overloaded method definitions
and declaration.
(Arm_relobj::do_read_symbols): New method definition.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Add input_objects parameters.
Merge processor-specific flags from all input objects.
(Target_arm::are_eabi_versions_compatible,
Target_arm::merge_processor_specific_flags,
Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
New method definitions.
* i386.cc (Target_i386::do_finalize_sections): Add unnamed
Input_objects pointer type parameter.
* layout.cc (Layout::finalize): Pass input objects to target's.
finalize_sections function.
* output.cc (Output_file_header::do_sized_write): Set ELF file
header's processor-specific flags.
* powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
Input_objects pointer type parameter.
* sparc.cc (Target_sparc::do_finalize_sections): Same.
* target.h (Input_objects): New forward class declaration.
(Target::processor_specific_flags,
Target::are_processor_specific_flags_sect): New method definitions.
(Target::finalize_sections): Add input_objects parameter.
(Target::Target): Initialize processor_specific_flags_ and
are_processor_specific_flags_set_.
(Target::do_finalize_sections): Add unnamed Input_objects pointer type
parameter.
(Target::set_processor_specific_flags): New method definition.
(Target::processor_specific_flags_,
Target::are_processor_specific_flags_set_): New data member
declarations.
* x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
Input_objects pointer type parameter.
2009-10-31 02:49:59 +08:00
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// e_flags values used for ARM. We only support flags defined in AAELF.
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enum
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{
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EF_ARM_BE8 = 0x00800000,
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// Mask to extract EABI version, not really a flag value.
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EF_ARM_EABIMASK = 0xFF000000,
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EF_ARM_EABI_UNKNOWN = 0x00000000,
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EF_ARM_EABI_VER1 = 0x01000000,
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EF_ARM_EABI_VER2 = 0x02000000,
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EF_ARM_EABI_VER3 = 0x03000000,
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EF_ARM_EABI_VER4 = 0x04000000,
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EF_ARM_EABI_VER5 = 0x05000000,
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};
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// Extract EABI version from flags.
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inline Elf_Word
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arm_eabi_version(Elf_Word flags)
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{ return flags & EF_ARM_EABIMASK; }
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2012-10-30 20:44:58 +08:00
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// EABI_VER5 e_flags values for identifying soft- and hard-float ABI
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// choice.
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enum
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{
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EF_ARM_ABI_FLOAT_SOFT = 0x200,
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EF_ARM_ABI_FLOAT_HARD = 0x400,
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};
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2009-12-06 10:49:46 +08:00
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// Values for the Tag_CPU_arch EABI attribute.
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enum
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{
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TAG_CPU_ARCH_PRE_V4,
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TAG_CPU_ARCH_V4,
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TAG_CPU_ARCH_V4T,
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TAG_CPU_ARCH_V5T,
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TAG_CPU_ARCH_V5TE,
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TAG_CPU_ARCH_V5TEJ,
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TAG_CPU_ARCH_V6,
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TAG_CPU_ARCH_V6KZ,
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TAG_CPU_ARCH_V6T2,
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TAG_CPU_ARCH_V6K,
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TAG_CPU_ARCH_V7,
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TAG_CPU_ARCH_V6_M,
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TAG_CPU_ARCH_V6S_M,
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|
TAG_CPU_ARCH_V7E_M,
|
2015-04-08 08:20:11 +08:00
|
|
|
TAG_CPU_ARCH_V8,
|
|
|
|
MAX_TAG_CPU_ARCH = TAG_CPU_ARCH_V8,
|
2009-12-06 10:49:46 +08:00
|
|
|
// Pseudo-architecture to allow objects to be compatible with the subset of
|
|
|
|
// armv4t and armv6-m. This value should never be stored in object files.
|
|
|
|
TAG_CPU_ARCH_V4T_PLUS_V6_M = (MAX_TAG_CPU_ARCH + 1)
|
|
|
|
};
|
|
|
|
|
2009-12-10 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
2009-12-11 04:55:33 +08:00
|
|
|
// EABI object attributes.
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
// 0-3 are generic.
|
|
|
|
Tag_CPU_raw_name = 4,
|
|
|
|
Tag_CPU_name = 5,
|
|
|
|
Tag_CPU_arch = 6,
|
|
|
|
Tag_CPU_arch_profile = 7,
|
|
|
|
Tag_ARM_ISA_use = 8,
|
|
|
|
Tag_THUMB_ISA_use = 9,
|
2010-05-12 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
existing tags.
(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
Tag_undefined43): New tags.
(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
Tag_VFP_HP_extension): Define aliases for backward compatiblity.
gold/ChangeLog
* arm.cc (Target_arm::do_finalize_sections): Create an empty
attributes section only if there no attributes section after merging.
(Target_arm::merge_object_attributes): Move value of
Tag_MPextension_use_legacy to that of Tag_MPextension_use.
Handle Tag_DIV_use and Tag_MPextension_use_legacy.
* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
and arm_attr_merge_7.stdout.
(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
arm_attr_merge_7b.o): New rules.
(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
arm_attr_merge_7
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_attr_merge.sh: New file.
* testsuite/arm_attr_merge_[67][ab].s: Same.
2010-05-13 10:41:15 +08:00
|
|
|
Tag_FP_arch = 10,
|
2009-12-10 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
2009-12-11 04:55:33 +08:00
|
|
|
Tag_WMMX_arch = 11,
|
|
|
|
Tag_Advanced_SIMD_arch = 12,
|
|
|
|
Tag_PCS_config = 13,
|
|
|
|
Tag_ABI_PCS_R9_use = 14,
|
|
|
|
Tag_ABI_PCS_RW_data = 15,
|
|
|
|
Tag_ABI_PCS_RO_data = 16,
|
|
|
|
Tag_ABI_PCS_GOT_use = 17,
|
|
|
|
Tag_ABI_PCS_wchar_t = 18,
|
|
|
|
Tag_ABI_FP_rounding = 19,
|
|
|
|
Tag_ABI_FP_denormal = 20,
|
|
|
|
Tag_ABI_FP_exceptions = 21,
|
|
|
|
Tag_ABI_FP_user_exceptions = 22,
|
|
|
|
Tag_ABI_FP_number_model = 23,
|
2010-05-12 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
existing tags.
(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
Tag_undefined43): New tags.
(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
Tag_VFP_HP_extension): Define aliases for backward compatiblity.
gold/ChangeLog
* arm.cc (Target_arm::do_finalize_sections): Create an empty
attributes section only if there no attributes section after merging.
(Target_arm::merge_object_attributes): Move value of
Tag_MPextension_use_legacy to that of Tag_MPextension_use.
Handle Tag_DIV_use and Tag_MPextension_use_legacy.
* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
and arm_attr_merge_7.stdout.
(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
arm_attr_merge_7b.o): New rules.
(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
arm_attr_merge_7
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_attr_merge.sh: New file.
* testsuite/arm_attr_merge_[67][ab].s: Same.
2010-05-13 10:41:15 +08:00
|
|
|
Tag_ABI_align_needed = 24,
|
|
|
|
Tag_ABI_align_preserved = 25,
|
2009-12-10 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
2009-12-11 04:55:33 +08:00
|
|
|
Tag_ABI_enum_size = 26,
|
|
|
|
Tag_ABI_HardFP_use = 27,
|
|
|
|
Tag_ABI_VFP_args = 28,
|
|
|
|
Tag_ABI_WMMX_args = 29,
|
|
|
|
Tag_ABI_optimization_goals = 30,
|
|
|
|
Tag_ABI_FP_optimization_goals = 31,
|
|
|
|
// 32 is generic (Tag_compatibility).
|
|
|
|
Tag_undefined33 = 33,
|
|
|
|
Tag_CPU_unaligned_access = 34,
|
|
|
|
Tag_undefined35 = 35,
|
2010-05-12 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
existing tags.
(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
Tag_undefined43): New tags.
(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
Tag_VFP_HP_extension): Define aliases for backward compatiblity.
gold/ChangeLog
* arm.cc (Target_arm::do_finalize_sections): Create an empty
attributes section only if there no attributes section after merging.
(Target_arm::merge_object_attributes): Move value of
Tag_MPextension_use_legacy to that of Tag_MPextension_use.
Handle Tag_DIV_use and Tag_MPextension_use_legacy.
* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
and arm_attr_merge_7.stdout.
(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
arm_attr_merge_7b.o): New rules.
(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
arm_attr_merge_7
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_attr_merge.sh: New file.
* testsuite/arm_attr_merge_[67][ab].s: Same.
2010-05-13 10:41:15 +08:00
|
|
|
Tag_FP_HP_extension = 36,
|
2009-12-10 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
2009-12-11 04:55:33 +08:00
|
|
|
Tag_undefined37 = 37,
|
|
|
|
Tag_ABI_FP_16bit_format = 38,
|
|
|
|
Tag_undefined39 = 39,
|
2010-05-12 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
existing tags.
(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
Tag_undefined43): New tags.
(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
Tag_VFP_HP_extension): Define aliases for backward compatiblity.
gold/ChangeLog
* arm.cc (Target_arm::do_finalize_sections): Create an empty
attributes section only if there no attributes section after merging.
(Target_arm::merge_object_attributes): Move value of
Tag_MPextension_use_legacy to that of Tag_MPextension_use.
Handle Tag_DIV_use and Tag_MPextension_use_legacy.
* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
and arm_attr_merge_7.stdout.
(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
arm_attr_merge_7b.o): New rules.
(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
arm_attr_merge_7
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_attr_merge.sh: New file.
* testsuite/arm_attr_merge_[67][ab].s: Same.
2010-05-13 10:41:15 +08:00
|
|
|
Tag_undefined40 = 40,
|
|
|
|
Tag_undefined41 = 41,
|
|
|
|
Tag_MPextension_use = 42,
|
|
|
|
Tag_undefined43 = 43,
|
|
|
|
Tag_DIV_use = 44,
|
2009-12-10 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
2009-12-11 04:55:33 +08:00
|
|
|
Tag_nodefaults = 64,
|
|
|
|
Tag_also_compatible_with = 65,
|
|
|
|
Tag_T2EE_use = 66,
|
|
|
|
Tag_conformance = 67,
|
|
|
|
Tag_Virtualization_use = 68,
|
|
|
|
Tag_undefined69 = 69,
|
2010-05-12 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
existing tags.
(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
Tag_undefined43): New tags.
(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
Tag_VFP_HP_extension): Define aliases for backward compatiblity.
gold/ChangeLog
* arm.cc (Target_arm::do_finalize_sections): Create an empty
attributes section only if there no attributes section after merging.
(Target_arm::merge_object_attributes): Move value of
Tag_MPextension_use_legacy to that of Tag_MPextension_use.
Handle Tag_DIV_use and Tag_MPextension_use_legacy.
* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
and arm_attr_merge_7.stdout.
(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
arm_attr_merge_7b.o): New rules.
(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
arm_attr_merge_7
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_attr_merge.sh: New file.
* testsuite/arm_attr_merge_[67][ab].s: Same.
2010-05-13 10:41:15 +08:00
|
|
|
Tag_MPextension_use_legacy = 70,
|
|
|
|
|
|
|
|
// The following tags are legacy names for other tags.
|
|
|
|
Tag_VFP_arch = Tag_FP_arch,
|
|
|
|
Tag_ABI_align8_needed = Tag_ABI_align_needed,
|
|
|
|
Tag_ABI_align8_preserved = Tag_ABI_align_preserved,
|
|
|
|
Tag_VFP_HP_extension = Tag_FP_HP_extension
|
2009-12-10 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
2009-12-11 04:55:33 +08:00
|
|
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};
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|
|
|
|
|
|
|
// Values for Tag_ABI_PCS_R9_use.
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
AEABI_R9_V6 = 0,
|
|
|
|
AEABI_R9_SB = 1,
|
|
|
|
AEABI_R9_TLS = 2,
|
|
|
|
AEABI_R9_unused = 3
|
|
|
|
};
|
|
|
|
|
|
|
|
// Values for Tag_ABI_PCS_RW_data.
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
AEABI_PCS_RW_data_absolute = 0,
|
|
|
|
AEABI_PCS_RW_data_PCrel = 1,
|
|
|
|
AEABI_PCS_RW_data_SBrel = 2,
|
|
|
|
AEABI_PCS_RW_data_unused = 3
|
|
|
|
};
|
|
|
|
|
|
|
|
// Values for Tag_ABI_enum_size.
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
AEABI_enum_unused = 0,
|
|
|
|
AEABI_enum_short = 1,
|
|
|
|
AEABI_enum_wide = 2,
|
|
|
|
AEABI_enum_forced_wide = 3
|
|
|
|
};
|
|
|
|
|
2014-12-25 19:45:14 +08:00
|
|
|
// Values for Tag_ABI_FP_number_model.
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
AEABI_FP_number_model_none = 0,
|
|
|
|
AEABI_FP_number_model_ieee754_number = 1,
|
|
|
|
AEABI_FP_number_model_rtabi = 2,
|
|
|
|
AEABI_FP_number_model_ieee754_all = 3
|
|
|
|
};
|
|
|
|
|
|
|
|
// Values for Tag_ABI_VFP_args.
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
AEABI_VFP_args_base = 0,
|
|
|
|
AEABI_VFP_args_vfp = 1,
|
|
|
|
AEABI_VFP_args_toolchain = 2,
|
|
|
|
AEABI_VFP_args_compatible = 3
|
|
|
|
};
|
|
|
|
|
2010-01-22 14:06:46 +08:00
|
|
|
// For Exception Index Table. (Exception handling ABI for the ARM
|
|
|
|
// architectue, Section 5)
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
EXIDX_CANTUNWIND = 1,
|
|
|
|
};
|
|
|
|
|
2009-05-28 02:27:42 +08:00
|
|
|
} // End namespace elfcpp.
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#endif // !defined(ELFCPP_ARM_H)
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