include/elf/sh.h

   1 /* SH ELF support for BFD.
   2    Copyright 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2010
   3    Free Software Foundation, Inc.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software Foundation,
  19    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #ifndef _ELF_SH_H
  22 #define _ELF_SH_H
  23
  24 /* Processor specific flags for the ELF header e_flags field.  */
  25
  26 #define EF_SH_MACH_MASK 0x1f
  27 #define EF_SH_UNKNOWN      0 /* For backwards compatibility.  */
  28 #define EF_SH1             1
  29 #define EF_SH2             2
  30 #define EF_SH3             3
  31 #define EF_SH_DSP          4
  32 #define EF_SH3_DSP         5
  33 #define EF_SH4AL_DSP       6
  34 #define EF_SH3E            8
  35 #define EF_SH4             9
  36 #define EF_SH2E            11
  37 #define EF_SH4A            12
  38 #define EF_SH2A            13
  39
  40 #define EF_SH4_NOFPU       16
  41 #define EF_SH4A_NOFPU      17
  42 #define EF_SH4_NOMMU_NOFPU 18
  43 #define EF_SH2A_NOFPU      19
  44 #define EF_SH3_NOMMU       20
  45
  46 #define EF_SH2A_SH4_NOFPU  21
  47 #define EF_SH2A_SH3_NOFPU  22
  48 #define EF_SH2A_SH4        23
  49 #define EF_SH2A_SH3E       24
  50
  51 /* This one can only mix in objects from other EF_SH5 objects.  */
  52 #define EF_SH5            10
  53
  54 /* Define the mapping from ELF to bfd mach numbers.
  55    bfd_mach_* are defined in bfd_in2.h (generated from
  56    archures.c).  */
  57 #define EF_SH_BFD_TABLE \
  58 /* EF_SH_UNKNOWN        */ bfd_mach_sh          , \
  59 /* EF_SH1               */ bfd_mach_sh          , \
  60 /* EF_SH2               */ bfd_mach_sh2         , \
  61 /* EF_SH3               */ bfd_mach_sh3         , \
  62 /* EF_SH_DSP            */ bfd_mach_sh_dsp      , \
  63 /* EF_SH3_DSP           */ bfd_mach_sh3_dsp     , \
  64 /* EF_SHAL_DSP          */ bfd_mach_sh4al_dsp   , \
  65 /* 7                    */ 0, \
  66 /* EF_SH3E              */ bfd_mach_sh3e        , \
  67 /* EF_SH4               */ bfd_mach_sh4         , \
  68 /* EF_SH5               */ 0, \
  69 /* EF_SH2E              */ bfd_mach_sh2e        , \
  70 /* EF_SH4A              */ bfd_mach_sh4a        , \
  71 /* EF_SH2A              */ bfd_mach_sh2a        , \
  72 /* 14, 15               */ 0, 0, \
  73 /* EF_SH4_NOFPU         */ bfd_mach_sh4_nofpu   , \
  74 /* EF_SH4A_NOFPU        */ bfd_mach_sh4a_nofpu  , \
  75 /* EF_SH4_NOMMU_NOFPU   */ bfd_mach_sh4_nommu_nofpu, \
  76 /* EF_SH2A_NOFPU        */ bfd_mach_sh2a_nofpu  , \
  77 /* EF_SH3_NOMMU         */ bfd_mach_sh3_nommu   , \
  78 /* EF_SH2A_SH4_NOFPU    */ bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu, \
  79 /* EF_SH2A_SH3_NOFPU    */ bfd_mach_sh2a_nofpu_or_sh3_nommu, \
  80 /* EF_SH2A_SH4          */ bfd_mach_sh2a_or_sh4 , \
  81 /* EF_SH2A_SH3E         */ bfd_mach_sh2a_or_sh3e
  82
  83 /* Convert arch_sh* into EF_SH*.  */
  84 int sh_find_elf_flags (unsigned int arch_set);
  85
  86 /* Convert bfd_mach_* into EF_SH*.  */
  87 int sh_elf_get_flags_from_mach (unsigned long mach);
  88
  89 /* Other e_flags bits.  */
  90
  91 #define EF_SH_PIC               0x100   /* Segments of an FDPIC binary may
  92                                            be relocated independently.  */
  93 #define EF_SH_FDPIC             0x8000  /* Uses the FDPIC ABI.  */
  94
  95 /* Flags for the st_other symbol field.
  96    Keep away from the STV_ visibility flags (bit 0..1).  */
  97
  98 /* A reference to this symbol should by default add 1.  */
  99 #define STO_SH5_ISA32 (1 << 2)
 100
 101 /* Section contains only SHmedia code (no SHcompact code).  */
 102 #define SHF_SH5_ISA32           0x40000000
 103
 104 /* Section contains both SHmedia and SHcompact code, and possibly also
 105    constants.  */
 106 #define SHF_SH5_ISA32_MIXED     0x20000000
 107
 108 /* If applied to a .cranges section, marks that the section is sorted by
 109    increasing cr_addr values.  */
 110 #define SHT_SH5_CR_SORTED 0x80000001
 111
 112 /* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
 113    symbols).  */
 114 #define STT_DATALABEL STT_LOPROC
 115
 116 #include "elf/reloc-macros.h"
 117
 118 /* Relocations.  */
 119 /* Relocations 10-32 and 128-255 are GNU extensions.
 120    25..32 and 10 are used for relaxation.  */
 121 START_RELOC_NUMBERS (elf_sh_reloc_type)
 122   RELOC_NUMBER (R_SH_NONE, 0)
 123   RELOC_NUMBER (R_SH_DIR32, 1)
 124   RELOC_NUMBER (R_SH_REL32, 2)
 125   RELOC_NUMBER (R_SH_DIR8WPN, 3)
 126   RELOC_NUMBER (R_SH_IND12W, 4)
 127   RELOC_NUMBER (R_SH_DIR8WPL, 5)
 128   RELOC_NUMBER (R_SH_DIR8WPZ, 6)
 129   RELOC_NUMBER (R_SH_DIR8BP, 7)
 130   RELOC_NUMBER (R_SH_DIR8W, 8)
 131   RELOC_NUMBER (R_SH_DIR8L, 9)
 132
 133   RELOC_NUMBER (R_SH_LOOP_START, 10)
 134   RELOC_NUMBER (R_SH_LOOP_END, 11)
 135
 136   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 12)
 137   FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 21)
 138
 139   RELOC_NUMBER (R_SH_GNU_VTINHERIT, 22)
 140   RELOC_NUMBER (R_SH_GNU_VTENTRY, 23)
 141   RELOC_NUMBER (R_SH_SWITCH8, 24)
 142   RELOC_NUMBER (R_SH_SWITCH16, 25)
 143   RELOC_NUMBER (R_SH_SWITCH32, 26)
 144   RELOC_NUMBER (R_SH_USES, 27)
 145   RELOC_NUMBER (R_SH_COUNT, 28)
 146   RELOC_NUMBER (R_SH_ALIGN, 29)
 147   RELOC_NUMBER (R_SH_CODE, 30)
 148   RELOC_NUMBER (R_SH_DATA, 31)
 149   RELOC_NUMBER (R_SH_LABEL, 32)
 150
 151   RELOC_NUMBER (R_SH_DIR16, 33)
 152   RELOC_NUMBER (R_SH_DIR8, 34)
 153   RELOC_NUMBER (R_SH_DIR8UL, 35)
 154   RELOC_NUMBER (R_SH_DIR8UW, 36)
 155   RELOC_NUMBER (R_SH_DIR8U, 37)
 156   RELOC_NUMBER (R_SH_DIR8SW, 38)
 157   RELOC_NUMBER (R_SH_DIR8S, 39)
 158   RELOC_NUMBER (R_SH_DIR4UL, 40)
 159   RELOC_NUMBER (R_SH_DIR4UW, 41)
 160   RELOC_NUMBER (R_SH_DIR4U, 42)
 161   RELOC_NUMBER (R_SH_PSHA, 43)
 162   RELOC_NUMBER (R_SH_PSHL, 44)
 163   RELOC_NUMBER (R_SH_DIR5U, 45)
 164   RELOC_NUMBER (R_SH_DIR6U, 46)
 165   RELOC_NUMBER (R_SH_DIR6S, 47)
 166   RELOC_NUMBER (R_SH_DIR10S, 48)
 167   RELOC_NUMBER (R_SH_DIR10SW, 49)
 168   RELOC_NUMBER (R_SH_DIR10SL, 50)
 169   RELOC_NUMBER (R_SH_DIR10SQ, 51)
 170   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 52)
 171   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 52)
 172   RELOC_NUMBER (R_SH_DIR16S, 53)
 173   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 54)
 174   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 143)
 175   RELOC_NUMBER (R_SH_TLS_GD_32, 144)
 176   RELOC_NUMBER (R_SH_TLS_LD_32, 145)
 177   RELOC_NUMBER (R_SH_TLS_LDO_32, 146)
 178   RELOC_NUMBER (R_SH_TLS_IE_32, 147)
 179   RELOC_NUMBER (R_SH_TLS_LE_32, 148)
 180   RELOC_NUMBER (R_SH_TLS_DTPMOD32, 149)
 181   RELOC_NUMBER (R_SH_TLS_DTPOFF32, 150)
 182   RELOC_NUMBER (R_SH_TLS_TPOFF32, 151)
 183   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 152)
 184   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 159)
 185   RELOC_NUMBER (R_SH_GOT32, 160)
 186   RELOC_NUMBER (R_SH_PLT32, 161)
 187   RELOC_NUMBER (R_SH_COPY, 162)
 188   RELOC_NUMBER (R_SH_GLOB_DAT, 163)
 189   RELOC_NUMBER (R_SH_JMP_SLOT, 164)
 190   RELOC_NUMBER (R_SH_RELATIVE, 165)
 191   RELOC_NUMBER (R_SH_GOTOFF, 166)
 192   RELOC_NUMBER (R_SH_GOTPC, 167)
 193   RELOC_NUMBER (R_SH_GOTPLT32, 168)
 194   RELOC_NUMBER (R_SH_GOT_LOW16, 169)
 195   RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
 196   RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
 197   RELOC_NUMBER (R_SH_GOT_HI16, 172)
 198   RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
 199   RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
 200   RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
 201   RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
 202   RELOC_NUMBER (R_SH_PLT_LOW16, 177)
 203   RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
 204   RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
 205   RELOC_NUMBER (R_SH_PLT_HI16, 180)
 206   RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
 207   RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
 208   RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
 209   RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
 210   RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
 211   RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
 212   RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
 213   RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
 214   RELOC_NUMBER (R_SH_GOT10BY4, 189)
 215   RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
 216   RELOC_NUMBER (R_SH_GOT10BY8, 191)
 217   RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
 218   RELOC_NUMBER (R_SH_COPY64, 193)
 219   RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
 220   RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
 221   RELOC_NUMBER (R_SH_RELATIVE64, 196)
 222   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_5, 197)
 223   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_5, 200)
 224   RELOC_NUMBER (R_SH_GOT20, 201)
 225   RELOC_NUMBER (R_SH_GOTOFF20, 202)
 226   RELOC_NUMBER (R_SH_GOTFUNCDESC, 203)
 227   RELOC_NUMBER (R_SH_GOTFUNCDESC20, 204)
 228   RELOC_NUMBER (R_SH_GOTOFFFUNCDESC, 205)
 229   RELOC_NUMBER (R_SH_GOTOFFFUNCDESC20, 206)
 230   RELOC_NUMBER (R_SH_FUNCDESC, 207)
 231   RELOC_NUMBER (R_SH_FUNCDESC_VALUE, 208)
 232   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_6, 209)
 233   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_6, 241)
 234   RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
 235   RELOC_NUMBER (R_SH_PT_16, 243)
 236   RELOC_NUMBER (R_SH_IMMS16, 244)
 237   RELOC_NUMBER (R_SH_IMMU16, 245)
 238   RELOC_NUMBER (R_SH_IMM_LOW16, 246)
 239   RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
 240   RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
 241   RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
 242   RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
 243   RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
 244   RELOC_NUMBER (R_SH_IMM_HI16, 252)
 245   RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
 246   RELOC_NUMBER (R_SH_64, 254)
 247   RELOC_NUMBER (R_SH_64_PCREL, 255)
 248 END_RELOC_NUMBERS (R_SH_max)
 249
 250 #endif