| // arm.h -- ELF definitions specific to EM_ARM -*- C++ -*- |
| |
| // Copyright 2009, Free Software Foundation, Inc. |
| // Written by Doug Kwan <dougkwan@google.com>. |
| |
| // This file is part of elfcpp. |
| |
| // This program is free software; you can redistribute it and/or |
| // modify it under the terms of the GNU Library General Public License |
| // as published by the Free Software Foundation; either version 2, or |
| // (at your option) any later version. |
| |
| // In addition to the permissions in the GNU Library General Public |
| // License, the Free Software Foundation gives you unlimited |
| // permission to link the compiled version of this file into |
| // combinations with other programs, and to distribute those |
| // combinations without any restriction coming from the use of this |
| // file. (The Library Public License restrictions do apply in other |
| // respects; for example, they cover modification of the file, and |
| // distribution when not linked into a combined executable.) |
| |
| // 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 |
| // Library General Public License for more details. |
| |
| // You should have received a copy of the GNU Library 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. |
| |
| #ifndef ELFCPP_ARM_H |
| #define ELFCPP_ARM_H |
| |
| // The relocation type information is taken from: |
| // |
| // ELF for the ARM Architecture |
| // Document number: ARM IHI 0044C, current through ABI release 2.07 |
| // Date of Issue: 10th October, 2008 |
| // |
| |
| namespace elfcpp |
| { |
| |
| // |
| // ARM Relocations Codes |
| // |
| |
| // Operation notes: |
| // S: Address of the symbol. |
| // A: Addend for relocation. |
| // P: Address of the place being relocated. |
| // Pa: Adjusted address of the place being relocated (P & 0xfffffffc) |
| // T: is 1 if S has type STT_FUNC and the symbol addresses a Thumb |
| // instruction.Thumb-bit; it is 0 otherwise. |
| // B(S): Addressing origin of the output segment defining S. |
| // GOT_ORG: Addressing origin of the Global Offset Table. |
| // GOT(S): Address of the GOT entry for S. |
| // |
| |
| enum |
| { |
| // Type Class Operation |
| // ------------------------------ |
| R_ARM_NONE = 0, // Static Misc |
| R_ARM_PC24 = 1, // Deprecated ARM ((S + A) | T) - P |
| R_ARM_ABS32 = 2, // Static Data (S + A) | T |
| R_ARM_REL32 = 3, // Static Data ((S + A) | T) - P |
| R_ARM_LDR_PC_G0 = 4, // Static ARM S + A - P |
| R_ARM_ABS16 = 5, // Static Data S + A |
| R_ARM_ABS12 = 6, // Static ARM S + A |
| R_ARM_THM_ABS5 = 7, // Static Thumb16 S + A |
| R_ARM_ABS8 = 8, // Static Data S + A |
| R_ARM_SBREL32 = 9, // Static Data ((S + A) | T) - B(S) |
| R_ARM_THM_CALL = 10, // Static Thumb32 ((S + A) | T) - P |
| R_ARM_THM_PC8 = 11, // Static Thumb16 |
| R_ARM_BREL_ADJ = 12, // Dynamic Data DeltaB(S) + A |
| R_ARM_TLS_DESC = 13, // Dynamic Data |
| R_ARM_THM_SWI8 = 14, // Obsolete |
| R_ARM_XPC25 = 15, // Obsolete |
| R_ARM_THM_XPC22 = 16, // Obsolete |
| R_ARM_TLS_DTPMOD32 = 17, // Dynamic Data Module(S) |
| R_ARM_TLS_DTPOFF32 = 18, // Dynamic Data S + A - TLS |
| R_ARM_TLS_TPOFF32 = 19, // Dynamic Data S + A - tp |
| R_ARM_COPY = 20, // Dynamic Misc |
| R_ARM_GLOB_DAT = 21, // Dynamic Data (S + A) | T |
| R_ARM_JUMP_SLOT = 22, // Dynamic Data (S + A) | T |
| R_ARM_RELATIVE = 23, // Dynamic Data B(S) + A |
| R_ARM_GOTOFF32 = 24, // Static Data (((S + A) | T) - GOT_ORG |
| R_ARM_BASE_PREL = 25, // Static Data B(S) + A - P |
| R_ARM_GOT_BREL = 26, // Static Data GOT(S) + A - GOT_ORG |
| R_ARM_PLT32 = 27, // Deprecated ARM ((S + A) | T) - P |
| R_ARM_CALL = 28, // Static ARM ((S + A) | T) - P |
| R_ARM_JUMP24 = 29, // Static ARM ((S + A) | T) - P |
| R_ARM_THM_JUMP24 = 30, // Static Thumb32 ((S + A) | T) - P |
| R_ARM_BASE_ABS = 31, // Static Data B(S) + A |
| R_ARM_ALU_PCREL_7_0 = 32, // Obsolete |
| R_ARM_ALU_PCREL_15_8 = 33, // Obsolete |
| R_ARM_ALU_PCREL_23_15 = 34, // Obsolete |
| R_ARM_LDR_SBREL_11_0_NC = 35, // Deprecated ARM S + A - B(S) |
| R_ARM_ALU_SBREL_19_12_NC = 36,// Deprecated ARM S + A - B(S) |
| R_ARM_ALU_SBREL_27_20_CK = 37,// Deprecated ARM S + A - B(S) |
| R_ARM_TARGET1 = 38, // Data Misc (S + A) | T or |
| // ((S + A) | T) - P |
| R_ARM_SBREL31 = 39, // Deprecated Data ((S + A) | T) - B(S) |
| R_ARM_V4BX = 40, // Static Misc |
| R_ARM_TARGET2 = 41, // Static Misc |
| R_ARM_PREL31 = 42, // Static Data ((S + A) | T) - P |
| R_ARM_MOVW_ABS_NC = 43, // Static ARM (S + A) | T |
| R_ARM_MOVT_ABS = 44, // Static ARM S + A |
| R_ARM_MOVW_PREL_NC = 45, // Static ARM ((S + A) | T) - P |
| R_ARM_MOVT_PREL = 46, // Static ARM S + A - P |
| R_ARM_THM_MOVW_ABS_NC = 47, // Static Thumb32 (S + A) | T |
| R_ARM_THM_MOVT_ABS = 48, // Static Thumb32 S + A - P |
| R_ARM_THM_MOVW_PREL_NC = 49, // Static Thumb32 ((S + A) | T) - P |
| R_ARM_THM_MOVT_PREL = 50, // Static Thumb32 S + A - P |
| R_ARM_THM_JUMP19 = 51, // Static Thumb32 ((S + A) | T) - P |
| R_ARM_THM_JUMP6 = 52, // Static Thumb16 S + A - P |
| R_ARM_THM_ALU_PREL_11_0 = 53, // Static Thumb32 ((S + A) | T) - Pa |
| R_ARM_THM_PC12 = 54, // Static Thumb32 S + A - Pa |
| R_ARM_ABS32_NOI = 55, // Static Data S + A |
| R_ARM_REL32_NOI = 56, // Static Data S + A - P |
| R_ARM_ALU_PC_G0_NC = 57, // Static ARM ((S + A) | T) - P |
| R_ARM_ALU_PC_G0 = 58, // Static ARM ((S + A) | T) - P |
| R_ARM_ALU_PC_G1_NC = 59, // Static ARM ((S + A) | T) - P |
| R_ARM_ALU_PC_G1 = 60, // Static ARM ((S + A) | T) - P |
| R_ARM_ALU_PC_G2 = 61, // Static ARM ((S + A) | T) - P |
| R_ARM_LDR_PC_G1 = 62, // Static ARM S + A - P |
| R_ARM_LDR_PC_G2 = 63, // Static ARM S + A - P |
| R_ARM_LDRS_PC_G0 = 64, // Static ARM S + A - P |
| R_ARM_LDRS_PC_G1 = 65, // Static ARM S + A - P |
| R_ARM_LDRS_PC_G2 = 66, // Static ARM S + A - P |
| R_ARM_LDC_PC_G0 = 67, // Static ARM S + A - P |
| R_ARM_LDC_PC_G1 = 68, // Static ARM S + A - P |
| R_ARM_LDC_PC_G2 = 69, // Static ARM S + A - P |
| R_ARM_ALU_SB_G0_NC = 70, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_ALU_SB_G0 = 71, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_ALU_SB_G1_NC = 72, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_ALU_SB_G1 = 73, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_ALU_SB_G2 = 74, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_LDR_SB_G0 = 75, // Static ARM S + A - B(S) |
| R_ARM_LDR_SB_G1 = 76, // Static ARM S + A - B(S) |
| R_ARM_LDR_SB_G2 = 77, // Static ARM S + A - B(S) |
| R_ARM_LDRS_SB_G0 = 78, // Static ARM S + A - B(S) |
| R_ARM_LDRS_SB_G1 = 79, // Static ARM S + A - B(S) |
| R_ARM_LDRS_SB_G2 = 80, // Static ARM S + A - B(S) |
| R_ARM_LDC_SB_G0 = 81, // Static ARM S + A - B(S) |
| R_ARM_LDC_SB_G1 = 82, // Static ARM S + A - B(S) |
| R_ARM_LDC_SB_G2 = 83, // Static ARM S + A - B(S) |
| R_ARM_MOVW_BREL_NC = 84, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_MOVT_BREL = 85, // Static ARM S + A - B(S) |
| R_ARM_MOVW_BREL = 86, // Static ARM ((S + A) | T) - B(S) |
| R_ARM_THM_MOVW_BREL_NC = 87, // Static Thumb32 ((S + A) | T) - B(S) |
| R_ARM_THM_MOVT_BREL = 88, // Static Thumb32 S + A - B(S) |
| R_ARM_THM_MOVW_BREL = 89, // Static Thumb32 ((S + A) | T) - B(S) |
| R_ARM_TLS_GOTDESC = 90, // Static Data |
| R_ARM_TLS_CALL = 91, // Static ARM |
| R_ARM_TLS_DESCSEQ = 92, // Static ARM TLS relaxation |
| R_ARM_THM_TLS_CALL = 93, // Static Thumb32 |
| R_ARM_PLT32_ABS = 94, // Static Data PLT(S) + A |
| R_ARM_GOT_ABS = 95, // Static Data GOT(S) + A |
| R_ARM_GOT_PREL = 96, // Static Data GOT(S) + A - P |
| R_ARM_GOT_BREL12 = 97, // Static ARM GOT(S) + A - GOT_ORG |
| R_ARM_GOTOFF12 = 98, // Static ARM S + A - GOT_ROG |
| R_ARM_GOTRELAX = 99, // Static Misc |
| R_ARM_GNU_VTENTRY = 100, // Deprecated Data |
| R_ARM_GNU_VTINHERIT = 101, // Deprecated Data |
| R_ARM_THM_JUMP11 = 102, // Static Thumb16 S + A - P |
| R_ARM_THM_JUMP8 = 103, // Static Thumb16 S + A - P |
| R_ARM_TLS_GD32 = 104, // Static Data GOT(S) + A - P |
| R_ARM_TLS_LDM32 = 105, // Static Data GOT(S) + A - P |
| R_ARM_TLS_LDO32 = 106, // Static Data S + A - TLS |
| R_ARM_TLS_IE32 = 107, // Static Data GOT(S) + A - P |
| R_ARM_TLS_LE32 = 108, // Static Data S + A - tp |
| R_ARM_TLS_LDO12 = 109, // Static ARM S + A - TLS |
| R_ARM_TLS_LE12 = 110, // Static ARM S + A - tp |
| R_ARM_TLS_IE12GP = 111, // Static ARM GOT(S) + A - GOT_ORG |
| R_ARM_PRIVATE_0 = 112, // Private (n = 0, 1, ... 15) |
| R_ARM_PRIVATE_1 = 113, |
| R_ARM_PRIVATE_2 = 114, |
| R_ARM_PRIVATE_3 = 115, |
| R_ARM_PRIVATE_4 = 116, |
| R_ARM_PRIVATE_5 = 117, |
| R_ARM_PRIVATE_6 = 118, |
| R_ARM_PRIVATE_7 = 119, |
| R_ARM_PRIVATE_8 = 120, |
| R_ARM_PRIVATE_9 = 121, |
| R_ARM_PRIVATE_10 = 122, |
| R_ARM_PRIVATE_11 = 123, |
| R_ARM_PRIVATE_12 = 124, |
| R_ARM_PRIVATE_13 = 125, |
| R_ARM_PRIVATE_14 = 126, |
| R_ARM_PRIVATE_15 = 127, |
| R_ARM_ME_TOO = 128, // Obsolete |
| R_ARM_THM_TLS_DESCSEQ16 = 129,// Static Thumb16 |
| R_ARM_THM_TLS_DESCSEQ32 = 130,// Static Thumb32 |
| // 131 - 139 Unallocated |
| // 140 - 159 Dynamic Reserved for future allocation |
| // 160 - 255 Unallocated |
| }; |
| |
| } // End namespace elfcpp. |
| |
| #endif // !defined(ELFCPP_ARM_H) |
