1 /* Score ELF support for BFD. 2 Copyright 2006, 2008 Free Software Foundation, Inc. 3 Contributed by 4 Mei Ligang (ligang@sunnorth.com.cn) 5 Pei-Lin Tsai (pltsai@sunplus.com) 6 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software Foundation, 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 #ifndef _ELF_SCORE_H 24 #define _ELF_SCORE_H 25 26 #include "elf/reloc-macros.h" 27 28 #define SCORE_SIMULATOR_ACTIVE 1 29 #define OPC_PTMASK 0xc0000000 /* Parity-bit Mask. */ 30 #define OPC16_PTMASK 0x00008000 31 /* The parity-bit denotes. */ 32 #define OPC_32 0xc0000000 /* Denotes 32b instruction, (default). */ 33 #define OPC_16 0x00000000 /* Denotes 16b instruction. */ 34 #define OPC_PE 0x8000 /* Denotes parallel-execution instructions. */ 35 #define GP_DISP_LABEL "_gp_disp" 36 37 /* Processor specific flags for the ELF header e_flags field: */ 38 39 /* File contains position independent code. */ 40 #define EF_SCORE_PIC 0x80000000 41 42 /* Fix data dependency. */ 43 #define EF_SCORE_FIXDEP 0x40000000 44 45 /* Defined and allocated common symbol. Value is virtual address. If 46 relocated, alignment must be preserved. */ 47 #define SHN_SCORE_TEXT (SHN_LORESERVE + 1) 48 #define SHN_SCORE_DATA (SHN_LORESERVE + 2) 49 /* Small common symbol. */ 50 #define SHN_SCORE_SCOMMON (SHN_LORESERVE + 3) 51 52 /* Processor specific section flags. */ 53 54 /* This section must be in the global data area. */ 55 #define SHF_SCORE_GPREL 0x10000000 56 57 /* This section should be merged. */ 58 #define SHF_SCORE_MERGE 0x20000000 59 60 /* This section contains address data of size implied by section 61 element size. */ 62 #define SHF_SCORE_ADDR 0x40000000 63 64 /* This section contains string data. */ 65 #define SHF_SCORE_STRING 0x80000000 66 67 /* This section may not be stripped. */ 68 #define SHF_SCORE_NOSTRIP 0x08000000 69 70 /* This section is local to threads. */ 71 #define SHF_SCORE_LOCAL 0x04000000 72 73 /* Linker should generate implicit weak names for this section. */ 74 #define SHF_SCORE_NAMES 0x02000000 75 76 /* Section contais text/data which may be replicated in other sections. 77 Linker should retain only one copy. */ 78 #define SHF_SCORE_NODUPES 0x01000000 79 80 /* Processor specific dynamic array tags. */ 81 82 /* Base address of the segment. */ 83 #define DT_SCORE_BASE_ADDRESS 0x70000001 84 /* Number of local global offset table entries. */ 85 #define DT_SCORE_LOCAL_GOTNO 0x70000002 86 /* Number of entries in the .dynsym section. */ 87 #define DT_SCORE_SYMTABNO 0x70000003 88 /* Index of first dynamic symbol in global offset table. */ 89 #define DT_SCORE_GOTSYM 0x70000004 90 /* Index of first external dynamic symbol not referenced locally. */ 91 #define DT_SCORE_UNREFEXTNO 0x70000005 92 /* Number of page table entries in global offset table. */ 93 #define DT_SCORE_HIPAGENO 0x70000006 94 95 96 /* Processor specific section types. */ 97 98 99 /* Relocation types. */ 100 START_RELOC_NUMBERS (elf_score_reloc_type) 101 RELOC_NUMBER (R_SCORE_NONE, 0) 102 RELOC_NUMBER (R_SCORE_HI16, 1) 103 RELOC_NUMBER (R_SCORE_LO16, 2) 104 RELOC_NUMBER (R_SCORE_DUMMY1, 3) 105 RELOC_NUMBER (R_SCORE_24, 4) 106 RELOC_NUMBER (R_SCORE_PC19, 5) 107 RELOC_NUMBER (R_SCORE16_11, 6) 108 RELOC_NUMBER (R_SCORE16_PC8, 7) 109 RELOC_NUMBER (R_SCORE_ABS32, 8) 110 RELOC_NUMBER (R_SCORE_ABS16, 9) 111 RELOC_NUMBER (R_SCORE_DUMMY2, 10) 112 RELOC_NUMBER (R_SCORE_GP15, 11) 113 RELOC_NUMBER (R_SCORE_GNU_VTINHERIT, 12) 114 RELOC_NUMBER (R_SCORE_GNU_VTENTRY, 13) 115 RELOC_NUMBER (R_SCORE_GOT15, 14) 116 RELOC_NUMBER (R_SCORE_GOT_LO16, 15) 117 RELOC_NUMBER (R_SCORE_CALL15, 16) 118 RELOC_NUMBER (R_SCORE_GPREL32, 17) 119 RELOC_NUMBER (R_SCORE_REL32, 18) 120 RELOC_NUMBER (R_SCORE_DUMMY_HI16, 19) 121 END_RELOC_NUMBERS (R_SCORE_max) 122 123 #endif /* _ELF_SCORE_H */ 124