toolchain/binutils/include/elf/sh.h

   1 /* SH ELF support for BFD.
   2    Copyright 1998, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software Foundation,
  18    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _ELF_SH_H
  21 #define _ELF_SH_H
  22
  23 /* Processor specific flags for the ELF header e_flags field.  */
  24
  25 #define EF_SH_MACH_MASK 0x1f
  26 #define EF_SH_UNKNOWN      0 /* For backwards compatibility.  */
  27 #define EF_SH1             1
  28 #define EF_SH2             2
  29 #define EF_SH3             3
  30 #define EF_SH_HAS_DSP(flags) (((flags) & EF_SH_MACH_MASK & ~3) == 4)
  31 #define EF_SH_DSP          4
  32 #define EF_SH3_DSP         5
  33 #define EF_SH4AL_DSP       6
  34 #define EF_SH_HAS_FP(flags) ((flags) & 8)
  35 #define EF_SH3E            8
  36 #define EF_SH4             9
  37 #define EF_SH2E            11
  38 #define EF_SH4A            12
  39
  40 #define EF_SH4_NOFPU       0x10
  41 #define EF_SH4A_NOFPU      0x11
  42
  43 /* This one can only mix in objects from other EF_SH5 objects.  */
  44 #define EF_SH5            10
  45
  46 #define EF_SH_MERGE_MACH(mach1, mach2) \
  47   (((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
  48     || ((mach1) == EF_SH_DSP \
  49         && ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \
  50    ? EF_SH3_DSP \
  51    : (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \
  52       || ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \
  53    ? EF_SH3 \
  54    : ((mach1) == EF_SH2E && EF_SH_HAS_FP (mach2)) \
  55    ? (mach2) \
  56    : ((mach2) == EF_SH2E && EF_SH_HAS_FP (mach1)) \
  57    ? (mach1) \
  58    : (((mach1) == EF_SH2E && (mach2) == EF_SH_UNKNOWN) \
  59       || ((mach2) == EF_SH2E && (mach1) == EF_SH_UNKNOWN)) \
  60    ? EF_SH2E \
  61    : (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \
  62       || ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \
  63    ? EF_SH4 \
  64    /* ??? SH4?  Why not SH3E?  */ \
  65    : ((((mach1) == EF_SH4_NOFPU || (mach1) == EF_SH4A_NOFPU) \
  66        && EF_SH_HAS_DSP (mach2)) \
  67       || (((mach2) == EF_SH4_NOFPU || (mach2) == EF_SH4A_NOFPU) \
  68           && EF_SH_HAS_DSP (mach1))) \
  69    ? EF_SH4AL_DSP \
  70    : ((mach1) == EF_SH4_NOFPU && EF_SH_HAS_FP (mach2)) \
  71    ? ((mach2) < EF_SH4A) ? EF_SH4 : (mach2) \
  72    : ((mach2) == EF_SH4_NOFPU && EF_SH_HAS_FP (mach1)) \
  73    ? ((mach1) < EF_SH4A) ? EF_SH4 : (mach1) \
  74    : ((mach1) == EF_SH4A_NOFPU && EF_SH_HAS_FP (mach2)) \
  75    ? ((mach2) <= EF_SH4A) ? EF_SH4A : (mach2) \
  76    : ((mach2) == EF_SH4A_NOFPU && EF_SH_HAS_FP (mach1)) \
  77    ? ((mach1) <= EF_SH4A) ? EF_SH4A : (mach1) \
  78    : (((mach1) == EF_SH2E ? 7 : (mach1)) > ((mach2) == EF_SH2E ? 7 : (mach2)) \
  79       ? (mach1) : (mach2)))
  80
  81 /* Flags for the st_other symbol field.
  82    Keep away from the STV_ visibility flags (bit 0..1).  */
  83
  84 /* A reference to this symbol should by default add 1.  */
  85 #define STO_SH5_ISA32 (1 << 2)
  86
  87 /* Section contains only SHmedia code (no SHcompact code).  */
  88 #define SHF_SH5_ISA32           0x40000000
  89
  90 /* Section contains both SHmedia and SHcompact code, and possibly also
  91    constants.  */
  92 #define SHF_SH5_ISA32_MIXED     0x20000000
  93
  94 /* If applied to a .cranges section, marks that the section is sorted by
  95    increasing cr_addr values.  */
  96 #define SHT_SH5_CR_SORTED 0x80000001
  97
  98 /* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
  99    symbols).  */
 100 #define STT_DATALABEL STT_LOPROC
 101
 102 #include "elf/reloc-macros.h"
 103
 104 /* Relocations.  */
 105 /* Relocations 10-32 and 128-255 are GNU extensions.
 106    25..32 and 10 are used for relaxation.  */
 107 START_RELOC_NUMBERS (elf_sh_reloc_type)
 108   RELOC_NUMBER (R_SH_NONE, 0)
 109   RELOC_NUMBER (R_SH_DIR32, 1)
 110   RELOC_NUMBER (R_SH_REL32, 2)
 111   RELOC_NUMBER (R_SH_DIR8WPN, 3)
 112   RELOC_NUMBER (R_SH_IND12W, 4)
 113   RELOC_NUMBER (R_SH_DIR8WPL, 5)
 114   RELOC_NUMBER (R_SH_DIR8WPZ, 6)
 115   RELOC_NUMBER (R_SH_DIR8BP, 7)
 116   RELOC_NUMBER (R_SH_DIR8W, 8)
 117   RELOC_NUMBER (R_SH_DIR8L, 9)
 118
 119   RELOC_NUMBER (R_SH_LOOP_START, 10)
 120   RELOC_NUMBER (R_SH_LOOP_END, 11)
 121
 122   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 12)
 123   FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 21)
 124
 125   RELOC_NUMBER (R_SH_GNU_VTINHERIT, 22)
 126   RELOC_NUMBER (R_SH_GNU_VTENTRY, 23)
 127   RELOC_NUMBER (R_SH_SWITCH8, 24)
 128   RELOC_NUMBER (R_SH_SWITCH16, 25)
 129   RELOC_NUMBER (R_SH_SWITCH32, 26)
 130   RELOC_NUMBER (R_SH_USES, 27)
 131   RELOC_NUMBER (R_SH_COUNT, 28)
 132   RELOC_NUMBER (R_SH_ALIGN, 29)
 133   RELOC_NUMBER (R_SH_CODE, 30)
 134   RELOC_NUMBER (R_SH_DATA, 31)
 135   RELOC_NUMBER (R_SH_LABEL, 32)
 136
 137   RELOC_NUMBER (R_SH_DIR16, 33)
 138   RELOC_NUMBER (R_SH_DIR8, 34)
 139   RELOC_NUMBER (R_SH_DIR8UL, 35)
 140   RELOC_NUMBER (R_SH_DIR8UW, 36)
 141   RELOC_NUMBER (R_SH_DIR8U, 37)
 142   RELOC_NUMBER (R_SH_DIR8SW, 38)
 143   RELOC_NUMBER (R_SH_DIR8S, 39)
 144   RELOC_NUMBER (R_SH_DIR4UL, 40)
 145   RELOC_NUMBER (R_SH_DIR4UW, 41)
 146   RELOC_NUMBER (R_SH_DIR4U, 42)
 147   RELOC_NUMBER (R_SH_PSHA, 43)
 148   RELOC_NUMBER (R_SH_PSHL, 44)
 149   RELOC_NUMBER (R_SH_DIR5U, 45)
 150   RELOC_NUMBER (R_SH_DIR6U, 46)
 151   RELOC_NUMBER (R_SH_DIR6S, 47)
 152   RELOC_NUMBER (R_SH_DIR10S, 48)
 153   RELOC_NUMBER (R_SH_DIR10SW, 49)
 154   RELOC_NUMBER (R_SH_DIR10SL, 50)
 155   RELOC_NUMBER (R_SH_DIR10SQ, 51)
 156   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 52)
 157   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 52)
 158   RELOC_NUMBER (R_SH_DIR16S, 53)
 159   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 54)
 160   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 143)
 161   RELOC_NUMBER (R_SH_TLS_GD_32, 144)
 162   RELOC_NUMBER (R_SH_TLS_LD_32, 145)
 163   RELOC_NUMBER (R_SH_TLS_LDO_32, 146)
 164   RELOC_NUMBER (R_SH_TLS_IE_32, 147)
 165   RELOC_NUMBER (R_SH_TLS_LE_32, 148)
 166   RELOC_NUMBER (R_SH_TLS_DTPMOD32, 149)
 167   RELOC_NUMBER (R_SH_TLS_DTPOFF32, 150)
 168   RELOC_NUMBER (R_SH_TLS_TPOFF32, 151)
 169   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 152)
 170   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 159)
 171   RELOC_NUMBER (R_SH_GOT32, 160)
 172   RELOC_NUMBER (R_SH_PLT32, 161)
 173   RELOC_NUMBER (R_SH_COPY, 162)
 174   RELOC_NUMBER (R_SH_GLOB_DAT, 163)
 175   RELOC_NUMBER (R_SH_JMP_SLOT, 164)
 176   RELOC_NUMBER (R_SH_RELATIVE, 165)
 177   RELOC_NUMBER (R_SH_GOTOFF, 166)
 178   RELOC_NUMBER (R_SH_GOTPC, 167)
 179   RELOC_NUMBER (R_SH_GOTPLT32, 168)
 180   RELOC_NUMBER (R_SH_GOT_LOW16, 169)
 181   RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
 182   RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
 183   RELOC_NUMBER (R_SH_GOT_HI16, 172)
 184   RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
 185   RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
 186   RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
 187   RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
 188   RELOC_NUMBER (R_SH_PLT_LOW16, 177)
 189   RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
 190   RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
 191   RELOC_NUMBER (R_SH_PLT_HI16, 180)
 192   RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
 193   RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
 194   RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
 195   RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
 196   RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
 197   RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
 198   RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
 199   RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
 200   RELOC_NUMBER (R_SH_GOT10BY4, 189)
 201   RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
 202   RELOC_NUMBER (R_SH_GOT10BY8, 191)
 203   RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
 204   RELOC_NUMBER (R_SH_COPY64, 193)
 205   RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
 206   RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
 207   RELOC_NUMBER (R_SH_RELATIVE64, 196)
 208   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_5, 197)
 209   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_5, 241)
 210   RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
 211   RELOC_NUMBER (R_SH_PT_16, 243)
 212   RELOC_NUMBER (R_SH_IMMS16, 244)
 213   RELOC_NUMBER (R_SH_IMMU16, 245)
 214   RELOC_NUMBER (R_SH_IMM_LOW16, 246)
 215   RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
 216   RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
 217   RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
 218   RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
 219   RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
 220   RELOC_NUMBER (R_SH_IMM_HI16, 252)
 221   RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
 222   RELOC_NUMBER (R_SH_64, 254)
 223   RELOC_NUMBER (R_SH_64_PCREL, 255)
 224 END_RELOC_NUMBERS (R_SH_max)
 225
 226 #endif