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  1. /* Score ELF support for BFD.
  2.    Copyright 2006, 2007, 2008, 2009 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 Foundation,
  22.    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  23.  
  24. #ifndef _ELF_SCORE_H
  25. #define _ELF_SCORE_H
  26.  
  27. #include "elf/reloc-macros.h"
  28.  
  29. #define SCORE_SIMULATOR_ACTIVE  1
  30. #define OPC_PTMASK              0xc0000000      /* Parity-bit Mask.  */
  31. #define OPC16_PTMASK            0x00008000
  32. /* The parity-bit denotes.  */
  33. #define OPC_32                  0xc0000000      /* Denotes 32b instruction, (default).  */
  34. #define OPC_16                  0x00000000      /* Denotes 16b instruction.  */
  35. #define OPC_PE                  0x8000          /* Denotes parallel-execution instructions.  */
  36. #define GP_DISP_LABEL           "_gp_disp"
  37.  
  38. /* Processor specific flags for the ELF header e_flags field:  */
  39. #define EF_SCORE_MACH           0xffff0000      
  40. #define EF_OMIT_PIC_FIXDD       0x0fff0000      
  41. #define E_SCORE_MACH_SCORE3     0x00030000
  42. #define E_SCORE_MACH_SCORE7     0x00070000
  43.  
  44. /* File contains position independent code.  */
  45. #define EF_SCORE_PIC            0x80000000
  46.  
  47. /* Fix data dependency.  */
  48. #define EF_SCORE_FIXDEP         0x40000000
  49.  
  50. /* Defined and allocated common symbol.  Value is virtual address.  If
  51.    relocated, alignment must be preserved.  */
  52. #define SHN_SCORE_TEXT          (SHN_LORESERVE + 1)
  53. #define SHN_SCORE_DATA          (SHN_LORESERVE + 2)
  54. /* Small common symbol.  */
  55. #define SHN_SCORE_SCOMMON       (SHN_LORESERVE + 3)
  56.  
  57. /* Processor specific section flags.  */
  58.  
  59. /* This section must be in the global data area.  */
  60. #define SHF_SCORE_GPREL         0x10000000
  61.  
  62. /* This section should be merged.  */
  63. #define SHF_SCORE_MERGE         0x20000000
  64.  
  65. /* This section contains address data of size implied by section
  66.    element size.  */
  67. #define SHF_SCORE_ADDR          0x40000000
  68.  
  69. /* This section contains string data.  */
  70. #define SHF_SCORE_STRING                0x80000000
  71.  
  72. /* This section may not be stripped.  */
  73. #define SHF_SCORE_NOSTRIP       0x08000000
  74.  
  75. /* This section is local to threads.  */
  76. #define SHF_SCORE_LOCAL         0x04000000
  77.  
  78. /* Linker should generate implicit weak names for this section.  */
  79. #define SHF_SCORE_NAMES         0x02000000
  80.  
  81. /* Section contais text/data which may be replicated in other sections.
  82.    Linker should retain only one copy.  */
  83. #define SHF_SCORE_NODUPES       0x01000000
  84.  
  85. /* Processor specific dynamic array tags.  */
  86.  
  87. /* Base address of the segment.  */
  88. #define DT_SCORE_BASE_ADDRESS   0x70000001
  89. /* Number of local global offset table entries.  */
  90. #define DT_SCORE_LOCAL_GOTNO    0x70000002
  91. /* Number of entries in the .dynsym section.  */
  92. #define DT_SCORE_SYMTABNO       0x70000003
  93. /* Index of first dynamic symbol in global offset table.  */
  94. #define DT_SCORE_GOTSYM         0x70000004
  95. /* Index of first external dynamic symbol not referenced locally.  */
  96. #define DT_SCORE_UNREFEXTNO     0x70000005
  97. /* Number of page table entries in global offset table.  */
  98. #define DT_SCORE_HIPAGENO       0x70000006
  99.  
  100.  
  101. /* Processor specific section types.  */
  102.  
  103.  
  104. /* Relocation types.  */
  105. START_RELOC_NUMBERS (elf_score_reloc_type)
  106.   RELOC_NUMBER (R_SCORE_NONE,           0)
  107.   RELOC_NUMBER (R_SCORE_HI16,           1)  
  108.   RELOC_NUMBER (R_SCORE_LO16,           2)  
  109.   RELOC_NUMBER (R_SCORE_BCMP,           3)
  110.   RELOC_NUMBER (R_SCORE_24,             4)  
  111.   RELOC_NUMBER (R_SCORE_PC19,           5)  
  112.   RELOC_NUMBER (R_SCORE16_11,           6)  
  113.   RELOC_NUMBER (R_SCORE16_PC8,          7)  
  114.   RELOC_NUMBER (R_SCORE_ABS32,          8)
  115.   RELOC_NUMBER (R_SCORE_ABS16,          9)
  116.   RELOC_NUMBER (R_SCORE_DUMMY2,         10)
  117.   RELOC_NUMBER (R_SCORE_GP15,           11)
  118.   RELOC_NUMBER (R_SCORE_GNU_VTINHERIT,  12)
  119.   RELOC_NUMBER (R_SCORE_GNU_VTENTRY,    13)
  120.   RELOC_NUMBER (R_SCORE_GOT15,          14)
  121.   RELOC_NUMBER (R_SCORE_GOT_LO16,       15)
  122.   RELOC_NUMBER (R_SCORE_CALL15,         16)
  123.   RELOC_NUMBER (R_SCORE_GPREL32,        17)
  124.   RELOC_NUMBER (R_SCORE_REL32,          18)
  125.   RELOC_NUMBER (R_SCORE_DUMMY_HI16,     19)
  126.   RELOC_NUMBER (R_SCORE_IMM30,          20)
  127.   RELOC_NUMBER (R_SCORE_IMM32,          21)
  128. END_RELOC_NUMBERS (R_SCORE_max)
  129.  
  130. #endif /* _ELF_SCORE_H */
  131.