1/* Score ELF support for BFD. 2 Copyright (C) 2006-2020 Free Software Foundation, Inc. 3 Contributed by 4 Brain.lin (brain.lin@sunplusct.com) 5 Mei Ligang (ligang@sunnorth.com.cn) 6 Pei-Lin Tsai (pltsai@sunplus.com) 7 8 This file is part of BFD, the Binary File Descriptor library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation Inc., 51 Franklin Street - Fifth Floor, Boston, 23 MA 02110-1301, USA. */ 24 25#ifndef _ELF_SCORE_H 26#define _ELF_SCORE_H 27 28#include "elf/reloc-macros.h" 29 30#define SCORE_SIMULATOR_ACTIVE 1 31#define OPC_PTMASK 0xc0000000 /* Parity-bit Mask. */ 32#define OPC16_PTMASK 0x00008000 33/* The parity-bit denotes. */ 34#define OPC_32 0xc0000000 /* Denotes 32b instruction, (default). */ 35#define OPC_16 0x00000000 /* Denotes 16b instruction. */ 36#define OPC_PE 0x8000 /* Denotes parallel-execution instructions. */ 37#define GP_DISP_LABEL "_gp_disp" 38 39/* Processor specific flags for the ELF header e_flags field: */ 40#define EF_SCORE_MACH 0xffff0000 41#define EF_OMIT_PIC_FIXDD 0x0fff0000 42#define E_SCORE_MACH_SCORE3 0x00030000 43#define E_SCORE_MACH_SCORE7 0x00070000 44 45/* File contains position independent code. */ 46#define EF_SCORE_PIC 0x80000000 47 48/* Fix data dependency. */ 49#define EF_SCORE_FIXDEP 0x40000000 50 51/* Defined and allocated common symbol. Value is virtual address. If 52 relocated, alignment must be preserved. */ 53#define SHN_SCORE_TEXT (SHN_LORESERVE + 1) 54#define SHN_SCORE_DATA (SHN_LORESERVE + 2) 55/* Small common symbol. */ 56#define SHN_SCORE_SCOMMON (SHN_LORESERVE + 3) 57 58/* Processor specific section flags. */ 59 60/* This section must be in the global data area. */ 61#define SHF_SCORE_GPREL 0x10000000 62 63/* This section should be merged. */ 64#define SHF_SCORE_MERGE 0x20000000 65 66/* This section contains address data of size implied by section 67 element size. */ 68#define SHF_SCORE_ADDR 0x40000000 69 70/* This section contains string data. */ 71#define SHF_SCORE_STRING 0x80000000 72 73/* This section may not be stripped. */ 74#define SHF_SCORE_NOSTRIP 0x08000000 75 76/* This section is local to threads. */ 77#define SHF_SCORE_LOCAL 0x04000000 78 79/* Linker should generate implicit weak names for this section. */ 80#define SHF_SCORE_NAMES 0x02000000 81 82/* Section contais text/data which may be replicated in other sections. 83 Linker should retain only one copy. */ 84#define SHF_SCORE_NODUPES 0x01000000 85 86/* Processor specific dynamic array tags. */ 87 88/* Base address of the segment. */ 89#define DT_SCORE_BASE_ADDRESS 0x70000001 90/* Number of local global offset table entries. */ 91#define DT_SCORE_LOCAL_GOTNO 0x70000002 92/* Number of entries in the .dynsym section. */ 93#define DT_SCORE_SYMTABNO 0x70000003 94/* Index of first dynamic symbol in global offset table. */ 95#define DT_SCORE_GOTSYM 0x70000004 96/* Index of first external dynamic symbol not referenced locally. */ 97#define DT_SCORE_UNREFEXTNO 0x70000005 98/* Number of page table entries in global offset table. */ 99#define DT_SCORE_HIPAGENO 0x70000006 100 101 102/* Processor specific section types. */ 103 104 105/* Relocation types. */ 106START_RELOC_NUMBERS (elf_score_reloc_type) 107 RELOC_NUMBER (R_SCORE_NONE, 0) 108 RELOC_NUMBER (R_SCORE_HI16, 1) 109 RELOC_NUMBER (R_SCORE_LO16, 2) 110 RELOC_NUMBER (R_SCORE_BCMP, 3) 111 RELOC_NUMBER (R_SCORE_24, 4) 112 RELOC_NUMBER (R_SCORE_PC19, 5) 113 RELOC_NUMBER (R_SCORE16_11, 6) 114 RELOC_NUMBER (R_SCORE16_PC8, 7) 115 RELOC_NUMBER (R_SCORE_ABS32, 8) 116 RELOC_NUMBER (R_SCORE_ABS16, 9) 117 RELOC_NUMBER (R_SCORE_DUMMY2, 10) 118 RELOC_NUMBER (R_SCORE_GP15, 11) 119 RELOC_NUMBER (R_SCORE_GNU_VTINHERIT, 12) 120 RELOC_NUMBER (R_SCORE_GNU_VTENTRY, 13) 121 RELOC_NUMBER (R_SCORE_GOT15, 14) 122 RELOC_NUMBER (R_SCORE_GOT_LO16, 15) 123 RELOC_NUMBER (R_SCORE_CALL15, 16) 124 RELOC_NUMBER (R_SCORE_GPREL32, 17) 125 RELOC_NUMBER (R_SCORE_REL32, 18) 126 RELOC_NUMBER (R_SCORE_DUMMY_HI16, 19) 127 RELOC_NUMBER (R_SCORE_IMM30, 20) 128 RELOC_NUMBER (R_SCORE_IMM32, 21) 129END_RELOC_NUMBERS (R_SCORE_max) 130 131#endif /* _ELF_SCORE_H */ 132