include/elf/score.h

   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 */