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  1. /* Score ELF support for BFD.
  2.    Copyright (C) 2006-2015 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.  */
  106. START_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)
  129. END_RELOC_NUMBERS (R_SCORE_max)
  130.  
  131. #endif /* _ELF_SCORE_H */
  132.