/**************************************************************************** * arch/arm/include/elf.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /* Reference: "ELF for the ARM® Architecture," ARM IHI 0044D, current through * ABI release 2.08, October 28, 2009, ARM Limited. */ #ifndef __ARCH_ARM_INCLUDE_ELF_H #define __ARCH_ARM_INCLUDE_ELF_H /**************************************************************************** * Pre-processor Prototypes ****************************************************************************/ /* 4.3.1 ELF Identification. Should have: * * e_machine = EM_ARM * e_ident[EI_CLASS] = ELFCLASS32 * e_ident[EI_DATA] = ELFDATA2LSB (little endian) or * ELFDATA2MSB (big endian) */ #define EM_ARCH EM_ARM #define ELF_CLASS ELFCLASS32 #ifdef CONFIG_ENDIAN_BIG # define ELF_DATA ELFDATA2MSB #else # define ELF_DATA ELFDATA2LSB #endif /* Table 4-2, ARM-specific e_flags */ #define EF_ARM_EABI_MASK 0xff000000 #define EF_ARM_EABI_UNKNOWN 0x00000000 #define EF_ARM_EABI_VER1 0x01000000 #define EF_ARM_EABI_VER2 0x02000000 #define EF_ARM_EABI_VER3 0x03000000 #define EF_ARM_EABI_VER4 0x04000000 #define EF_ARM_EABI_VER5 0x05000000 #define EF_ARM_BE8 0x00800000 #define EF_ARM_ABI_FLOAT_SOFT 0x00000200 #define EF_ARM_ABI_FLOAT_HARD 0x00000400 #ifdef __VFP_FP__ # ifdef __ARM_PCS_VFP # define EF_ARM_ABI_FLOAT EF_ARM_ABI_FLOAT_HARD # else # define EF_ARM_ABI_FLOAT EF_ARM_ABI_FLOAT_SOFT # endif #else # define EF_ARM_ABI_FLOAT 0 #endif #define EF_FLAG (EF_ARM_EABI_VER5 | EF_ARM_ABI_FLOAT) /* Table 4-4, Processor specific section types */ #define SHT_ARM_EXIDX 0x70000001 /* Exception Index table */ #define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking pre-emption map */ #define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility attributes */ #define SHT_ARM_DEBUGOVERLAY 0x70000004 #define SHT_ARM_OVERLAYSECTION 0x70000005 /* 4.7.1 Relocation codes * * S (when used on its own) is the address of the symbol. * A is the addend for the relocation. * P is the address of the place being relocated (derived from r_offset). * Pa is the adjusted address of the place being relocated, defined as * (P & 0xFFFFFFFC). * T is 1 if the target symbol S has type STT_FUNC and the symbol addresses * a Thumb instruction; it is 0 otherwise. * B(S) is the addressing origin of the output segment defining the symbol S. * GOT_ORG is the addressing origin of the Global Offset Table * GOT(S) is the address of the GOT entry for the symbol S. */ #define R_ARM_NONE 0 /* No relocation */ #define R_ARM_PC24 1 /* ARM ((S + A) | T) - P */ #define R_ARM_ABS32 2 /* Data (S + A) | T */ #define R_ARM_REL32 3 /* Data ((S + A) | T) - P */ #define R_ARM_LDR_PC_G0 4 /* ARM S + A - P */ #define R_ARM_ABS16 5 /* Data S + A */ #define R_ARM_ABS12 6 /* ARM S + A */ #define R_ARM_THM_ABS5 7 /* Thumb16 S + A */ #define R_ARM_ABS8 8 /* Data S + A */ #define R_ARM_SBREL32 9 /* Data ((S + A) | T) - B(S) */ #define R_ARM_THM_CALL 10 /* Thumb32 ((S + A) | T) - P */ #define R_ARM_THM_PC8 11 /* Thumb16 S + A - Pa */ #define R_ARM_BREL_ADJ 12 /* Data ?B(S) + A */ #define R_ARM_TLS_DESC 13 /* Data */ #define R_ARM_THM_SWI8 14 /* Obsolete */ #define R_ARM_XPC25 15 /* Obsolete */ #define R_ARM_THM_XPC22 16 /* Obsolete */ #define R_ARM_TLS_DTPMOD32 17 /* Data Module[S] */ #define R_ARM_TLS_DTPOFF32 18 /* Data S + A - TLS */ #define R_ARM_TLS_TPOFF32 19 /* Data S + A - tp */ #define R_ARM_COPY 20 /* Miscellaneous */ #define R_ARM_GLOB_DAT 21 /* Data (S + A) | T */ #define R_ARM_JUMP_SLOT 22 /* Data (S + A) | T */ #define R_ARM_RELATIVE 23 /* Data B(S) + A */ #define R_ARM_GOTOFF32 24 /* Data ((S + A) | T) - GOT_ORG */ #define R_ARM_BASE_PREL 25 /* Data B(S) + A - P */ #define R_ARM_GOT_BREL 26 /* Data GOT(S) + A - GOT_ORG */ #define R_ARM_PLT32 27 /* ARM ((S + A) | T) - P */ #define R_ARM_CALL 28 /* ARM ((S + A) | T) - P */ #define R_ARM_JUMP24 29 /* ARM ((S + A) | T) - P */ #define R_ARM_THM_JUMP24 30 /* Thumb32 ((S + A) | T) - P */ #define R_ARM_BASE_ABS 31 /* Data B(S) + A */ #define R_ARM_ALU_PCREL_7_0 32 /* Obsolete */ #define R_ARM_ALU_PCREL_15_8 33 /* Obsolete */ #define R_ARM_ALU_PCREL_23_15 34 /* Obsolete */ #define R_ARM_LDR_SBREL_11_0_NC 35 /* ARM S + A - B(S) */ #define R_ARM_ALU_SBREL_19_12_NC 36 /* ARM S + A - B(S) */ #define R_ARM_ALU_SBREL_27_20_CK 37 /* ARM S + A - B(S) */ #define R_ARM_TARGET1 38 /* Miscellaneous (S + A) | T or ((S + A) | T) - P */ #define R_ARM_SBREL31 39 /* Data ((S + A) | T) - B(S) */ #define R_ARM_V4BX 40 /* Miscellaneous */ #define R_ARM_TARGET2 41 /* Miscellaneous */ #define R_ARM_PREL31 42 /* Data ((S + A) | T) - P */ #define R_ARM_MOVW_ABS_NC 43 /* ARM (S + A) | T */ #define R_ARM_MOVT_ABS 44 /* ARM S + A */ #define R_ARM_MOVW_PREL_NC 45 /* ARM ((S + A) | T) - P */ #define R_ARM_MOVT_PREL 46 /* ARM S + A - P */ #define R_ARM_THM_MOVW_ABS_NC 47 /* Thumb32 (S + A) | T */ #define R_ARM_THM_MOVT_ABS 48 /* Thumb32 S + A */ #define R_ARM_THM_MOVW_PREL_NC 49 /* Thumb32 ((S + A) | T) - P */ #define R_ARM_THM_MOVT_PREL 50 /* Thumb32 S + A - P */ #define R_ARM_THM_JUMP19 51 /* Thumb32 ((S + A) | T) - P */ #define R_ARM_THM_JUMP6 52 /* Thumb16 S + A - P */ #define R_ARM_THM_ALU_PREL_11_0 53 /* Thumb32 ((S + A) | T) - Pa */ #define R_ARM_THM_PC12 54 /* Thumb32 S + A - Pa */ #define R_ARM_ABS32_NOI 55 /* Data S + A */ #define R_ARM_REL32_NOI 56 /* Data S + A - P */ #define R_ARM_ALU_PC_G0_NC 57 /* ARM ((S + A) | T) - P */ #define R_ARM_ALU_PC_G0 58 /* ARM ((S + A) | T) - P */ #define R_ARM_ALU_PC_G1_NC 59 /* ARM ((S + A) | T) - P */ #define R_ARM_ALU_PC_G1 60 /* ARM ((S + A) | T) - P */ #define R_ARM_ALU_PC_G2 61 /* ARM ((S + A) | T) - P */ #define R_ARM_LDR_PC_G1 62 /* ARM S + A - P */ #define R_ARM_LDR_PC_G2 63 /* ARM S + A - P */ #define R_ARM_LDRS_PC_G0 64 /* ARM S + A - P */ #define R_ARM_LDRS_PC_G1 65 /* ARM S + A - P */ #define R_ARM_LDRS_PC_G2 66 /* ARM S + A - P */ #define R_ARM_LDC_PC_G0 67 /* ARM S + A - P */ #define R_ARM_LDC_PC_G1 68 /* ARM S + A - P */ #define R_ARM_LDC_PC_G2 69 /* ARM S + A - P */ #define R_ARM_ALU_SB_G0_NC 70 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_ALU_SB_G0 71 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_ALU_SB_G1_NC 72 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_ALU_SB_G1 73 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_ALU_SB_G2 74 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_LDR_SB_G0 75 /* ARM S + A - B(S) */ #define R_ARM_LDR_SB_G1 76 /* ARM S + A - B(S) */ #define R_ARM_LDR_SB_G2 77 /* ARM S + A - B(S) */ #define R_ARM_LDRS_SB_G0 78 /* ARM S + A - B(S) */ #define R_ARM_LDRS_SB_G1 79 /* ARM S + A - B(S) */ #define R_ARM_LDRS_SB_G2 80 /* ARM S + A - B(S) */ #define R_ARM_LDC_SB_G0 81 /* ARM S + A - B(S) */ #define R_ARM_LDC_SB_G1 82 /* ARM S + A - B(S) */ #define R_ARM_LDC_SB_G2 83 /* ARM S + A - B(S) */ #define R_ARM_MOVW_BREL_NC 84 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_MOVT_BREL 85 /* ARM S + A - B(S) */ #define R_ARM_MOVW_BREL 86 /* ARM ((S + A) | T) - B(S) */ #define R_ARM_THM_MOVW_BREL_NC 87 /* Thumb32 ((S + A) | T) - B(S) */ #define R_ARM_THM_MOVT_BREL 88 /* Thumb32 S + A - B(S) */ #define R_ARM_THM_MOVW_BREL 89 /* Thumb32 ((S + A) | T) - B(S) */ #define R_ARM_TLS_GOTDESC 90 /* Data */ #define R_ARM_TLS_CALL 91 /* ARM */ #define R_ARM_TLS_DESCSEQ 92 /* ARM TLS relaxation */ #define R_ARM_THM_TLS_CALL 93 /* Thumb32 */ #define R_ARM_PLT32_ABS 94 /* Data PLT(S) + A */ #define R_ARM_GOT_ABS 95 /* Data GOT(S) + A */ #define R_ARM_GOT_PREL 96 /* Data GOT(S) + A - P */ #define R_ARM_GOT_BREL12 97 /* ARM GOT(S) + A - GOT_ORG */ #define R_ARM_GOTOFF12 98 /* ARM S + A - GOT_ORG */ #define R_ARM_GOTRELAX 99 /* Miscellaneous */ #define R_ARM_GNU_VTENTRY 100 /* Data */ #define R_ARM_GNU_VTINHERIT 101 /* Data */ #define R_ARM_THM_JUMP11 102 /* Thumb16 S + A - P */ #define R_ARM_THM_JUMP8 103 /* Thumb16 S + A - P */ #define R_ARM_TLS_GD32 104 /* Data GOT(S) + A - P */ #define R_ARM_TLS_LDM32 105 /* Data GOT(S) + A - P */ #define R_ARM_TLS_LDO32 106 /* Data S + A - TLS */ #define R_ARM_TLS_IE32 107 /* Data GOT(S) + A - P */ #define R_ARM_TLS_LE32 108 /* Data S + A - tp */ #define R_ARM_TLS_LDO12 109 /* ARM S + A - TLS */ #define R_ARM_TLS_LE12 110 /* ARM S + A - tp */ #define R_ARM_TLS_IE12GP 111 /* ARM GOT(S) + A - GOT_ORG */ #define R_ARM_ME_TOO 128 /* Obsolete */ #define R_ARM_THM_TLS_DESCSEQ16 129 /* Thumb16 */ #define R_ARM_THM_TLS_DESCSEQ32 130 /* Thumb32 */ /* 5.2.1 Platform architecture compatibility data */ #define PT_ARM_ARCHEXT_FMTMSK 0xff000000 #define PT_ARM_ARCHEXT_PROFMSK 0x00ff0000 #define PT_ARM_ARCHEXT_ARCHMSK 0x000000ff #define PT_ARM_ARCHEXT_FMT_OS 0x00000000 #define PT_ARM_ARCHEXT_FMT_ABI 0x01000000 #define PT_ARM_ARCHEXT_PROF_NONE 0x00000000 #define PT_ARM_ARCHEXT_PROF_ARM 0x00410000 #define PT_ARM_ARCHEXT_PROF_RT 0x00520000 #define PT_ARM_ARCHEXT_PROF_MC 0x004d0000 #define PT_ARM_ARCHEXT_PROF_CLASSIC 0x00530000 #define PT_ARM_ARCHEXT_ARCH_UNKNOWN 0x00 #define PT_ARM_ARCHEXT_ARCHv4 0x01 #define PT_ARM_ARCHEXT_ARCHv4T 0x02 #define PT_ARM_ARCHEXT_ARCHv5T 0x03 #define PT_ARM_ARCHEXT_ARCHv5TE 0x04 #define PT_ARM_ARCHEXT_ARCHv5TEJ 0x05 #define PT_ARM_ARCHEXT_ARCHv6 0x06 #define PT_ARM_ARCHEXT_ARCHv6KZ 0x07 #define PT_ARM_ARCHEXT_ARCHv6T2 0x08 #define PT_ARM_ARCHEXT_ARCHv6K 0x09 #define PT_ARM_ARCHEXT_ARCHv7 0x0a #define PT_ARM_ARCHEXT_ARCHv6M 0x0b #define PT_ARM_ARCHEXT_ARCHv6SM 0x0c #define PT_ARM_ARCHEXT_ARCHv7EM 0x0d /* Table 5-6, ARM-specific dynamic array tags */ #define DT_ARM_RESERVED1 0x70000000 #define DT_ARM_SYMTABSZ 0x70000001 #define DT_ARM_PREEMPTMAP 0x70000002 #define DT_ARM_RESERVED2 0x70000003 /* ELF register definitions */ /* Holds the general purpose registers $a1 * through to $pc * at indices 0 to 15. At index 16 the program status register. * Index 17 should be set to zero. */ typedef unsigned long elf_gregset_t[18]; #endif /* __ARCH_ARM_INCLUDE_ELF_H */