include/elf/v850.h

   1 /* V850 ELF support for BFD.
   2    Copyright (C) 1997-2021 Free Software Foundation, Inc.
   3    Created by Michael Meissner, Cygnus Support <meissner@cygnus.com>
   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
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 /* This file holds definitions specific to the MIPS ELF ABI.  Note
  23    that most of this is not actually implemented by BFD.  */
  24
  25 #ifndef _ELF_V850_H
  26 #define _ELF_V850_H
  27
  28 /* Processor specific flags for the ELF header e_flags field.  */
  29
  30 /* Four bit V850 architecture field.  */
  31 #define EF_V850_ARCH            0xf0000000
  32
  33 /* v850 code.  */
  34 #define E_V850_ARCH             0x00000000
  35
  36 /* v850e code.  */
  37 #define E_V850E_ARCH            0x10000000
  38
  39 /* v850e1 code.  */
  40 #define E_V850E1_ARCH           0x20000000
  41
  42 /* v850e2 code.  */
  43 #define E_V850E2_ARCH           0x30000000
  44
  45 /* v850e2v3 code.  */
  46 #define E_V850E2V3_ARCH         0x40000000
  47
  48 /* v850e3v5 code.  */
  49 #define E_V850E3V5_ARCH         0x60000000
  50
  51 /* Flags for the st_other field.  */
  52 #define V850_OTHER_SDA          0x10    /* Symbol had SDA relocations.  */
  53 #define V850_OTHER_ZDA          0x20    /* Symbol had ZDA relocations.  */
  54 #define V850_OTHER_TDA          0x40    /* Symbol had TDA relocations.  */
  55 #define V850_OTHER_ERROR        0x80    /* Symbol had an error reported.  */
  56
  57 /* V850 relocations.  */
  58 #include "elf/reloc-macros.h"
  59
  60 START_RELOC_NUMBERS (v850_reloc_type)
  61      RELOC_NUMBER (R_V850_NONE, 0)
  62      RELOC_NUMBER (R_V850_9_PCREL, 1)
  63      RELOC_NUMBER (R_V850_22_PCREL, 2)
  64      RELOC_NUMBER (R_V850_HI16_S, 3)
  65      RELOC_NUMBER (R_V850_HI16, 4)
  66      RELOC_NUMBER (R_V850_LO16, 5)
  67      RELOC_NUMBER (R_V850_ABS32, 6)
  68      RELOC_NUMBER (R_V850_16, 7)
  69      RELOC_NUMBER (R_V850_8, 8)
  70      RELOC_NUMBER( R_V850_SDA_16_16_OFFSET, 9)          /* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */
  71      RELOC_NUMBER( R_V850_SDA_15_16_OFFSET, 10)         /* For ld.w, ld.h, ld.hu, st.w, st.h */
  72      RELOC_NUMBER( R_V850_ZDA_16_16_OFFSET, 11)         /* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */
  73      RELOC_NUMBER( R_V850_ZDA_15_16_OFFSET, 12)         /* For ld.w, ld.h, ld.hu, st.w, st.h */
  74      RELOC_NUMBER( R_V850_TDA_6_8_OFFSET, 13)           /* For sst.w, sld.w */
  75      RELOC_NUMBER( R_V850_TDA_7_8_OFFSET, 14)           /* For sst.h, sld.h */
  76      RELOC_NUMBER( R_V850_TDA_7_7_OFFSET, 15)           /* For sst.b, sld.b */
  77      RELOC_NUMBER( R_V850_TDA_16_16_OFFSET, 16)         /* For set1, clr1, not1, tst1, movea, movhi */
  78      RELOC_NUMBER( R_V850_TDA_4_5_OFFSET, 17)           /* For sld.hu */
  79      RELOC_NUMBER( R_V850_TDA_4_4_OFFSET, 18)           /* For sld.bu */
  80      RELOC_NUMBER( R_V850_SDA_16_16_SPLIT_OFFSET, 19)   /* For ld.bu */
  81      RELOC_NUMBER( R_V850_ZDA_16_16_SPLIT_OFFSET, 20)   /* For ld.bu */
  82      RELOC_NUMBER( R_V850_CALLT_6_7_OFFSET, 21)         /* For callt */
  83      RELOC_NUMBER( R_V850_CALLT_16_16_OFFSET, 22)       /* For callt */
  84      RELOC_NUMBER (R_V850_GNU_VTINHERIT, 23)
  85      RELOC_NUMBER (R_V850_GNU_VTENTRY, 24)
  86      RELOC_NUMBER (R_V850_LONGCALL, 25)
  87      RELOC_NUMBER (R_V850_LONGJUMP, 26)
  88      RELOC_NUMBER (R_V850_ALIGN, 27)
  89      RELOC_NUMBER (R_V850_REL32, 28)
  90      RELOC_NUMBER (R_V850_LO16_SPLIT_OFFSET, 29)        /* For ld.bu */
  91      RELOC_NUMBER (R_V850_16_PCREL, 30)                 /* For loop */
  92      RELOC_NUMBER (R_V850_17_PCREL, 31)                 /* For br */
  93      RELOC_NUMBER (R_V850_23, 32)                       /* For 23bit ld.[w,h,hu,b,bu],st.[w,h,b] */
  94      RELOC_NUMBER (R_V850_32_PCREL, 33)                 /* For jr32, jarl32 */
  95      RELOC_NUMBER (R_V850_32_ABS, 34)                   /* For jmp32 */
  96      RELOC_NUMBER (R_V850_16_SPLIT_OFFSET, 35)          /* For ld.bu */
  97      RELOC_NUMBER (R_V850_16_S1, 36)                    /* For ld.w, ld.h st.w st.h */
  98      RELOC_NUMBER (R_V850_LO16_S1, 37)                  /* For ld.w, ld.h st.w st.h */
  99      RELOC_NUMBER (R_V850_CALLT_15_16_OFFSET, 38)       /* For ld.w, ld.h, ld.hu, st.w, st.h */
 100      RELOC_NUMBER (R_V850_32_GOTPCREL, 39)              /* GLOBAL_OFFSET_TABLE from pc */
 101      RELOC_NUMBER (R_V850_16_GOT, 40)                   /* GOT ENTRY from gp */
 102      RELOC_NUMBER (R_V850_32_GOT, 41)
 103      RELOC_NUMBER (R_V850_22_PLT, 42)                   /* For jr */
 104      RELOC_NUMBER (R_V850_32_PLT, 43)                   /* For jr32 */
 105      RELOC_NUMBER (R_V850_COPY, 44)
 106      RELOC_NUMBER (R_V850_GLOB_DAT, 45)
 107      RELOC_NUMBER (R_V850_JMP_SLOT, 46)
 108      RELOC_NUMBER (R_V850_RELATIVE, 47)
 109      RELOC_NUMBER (R_V850_16_GOTOFF, 48)                /* From gp */
 110      RELOC_NUMBER (R_V850_32_GOTOFF, 49)
 111      RELOC_NUMBER (R_V850_CODE, 50)
 112      RELOC_NUMBER (R_V850_DATA, 51)                     /* For loop */
 113
 114 END_RELOC_NUMBERS (R_V850_max)
 115
 116 \f
 117 /* Processor specific section indices.  These sections do not actually
 118    exist.  Symbols with a st_shndx field corresponding to one of these
 119    values have a special meaning.  */
 120
 121 /* Small data area common symbol.  */
 122 #define SHN_V850_SCOMMON        SHN_LORESERVE
 123
 124 /* Tiny data area common symbol.  */
 125 #define SHN_V850_TCOMMON        (SHN_LORESERVE + 1)
 126
 127 /* Zero data area common symbol.  */
 128 #define SHN_V850_ZCOMMON        (SHN_LORESERVE + 2)
 129
 130 \f
 131 /* Processor specific section types.  */
 132
 133 /* Section contains the .scommon data.  */
 134 #define SHT_V850_SCOMMON        0x70000000
 135
 136 /* Section contains the .scommon data.  */
 137 #define SHT_V850_TCOMMON        0x70000001
 138
 139 /* Section contains the .scommon data.  */
 140 #define SHT_V850_ZCOMMON        0x70000002
 141
 142 /* Processor specific section flags.  */
 143
 144 /* This section must be in the small data area (pointed to by GP).  */
 145 #define SHF_V850_GPREL          0x10000000
 146
 147 /* This section must be in the tiny data area (pointed to by EP).  */
 148 #define SHF_V850_EPREL          0x20000000
 149
 150 /* This section must be in the zero data area (pointed to by R0).  */
 151 #define SHF_V850_R0REL          0x40000000
 152
 153 /* Alternative versions of the above definitions, as specified by the RH850 ABI.  */
 154
 155 #define EF_RH850_ABI            0xF0000000
 156
 157 #define EF_V800_850E3           0x00100000
 158
 159 #define EF_RH850_FPU_DOUBLE     0x00000001      /* sizeof(double) == 8.  */
 160 #define EF_RH850_FPU_SINGLE     0x00000002      /* sizeof(double) == 4.  */
 161 #define EF_RH850_REGMODE22      0x00000020      /* Registers r15-r24 (inclusive) are not used.  */
 162 #define EF_RH850_REGMODE32      0x00000040
 163 #define EF_RH850_GP_FIX         0x00000100      /* r4 is fixed.  */
 164 #define EF_RH850_GP_NOFIX       0x00000200      /* r4 is callee save.  */
 165 #define EF_RH850_EP_FIX         0x00000400      /* r30 is fixed.  */
 166 #define EF_RH850_EP_NOFIX       0x00000800      /* r30 is callee save.  */
 167 #define EF_RH850_TP_FIX         0x00001000      /* r5 is fixed.  */
 168 #define EF_RH850_TP_NOFIX       0x00002000      /* r5 is callee save.  */
 169 #define EF_RH850_REG2_RESERVE   0x00004000      /* r2 is fixed.  */
 170 #define EF_RH850_REG2_NORESERVE 0x00008000      /* r2 is callee saved.  */
 171
 172 #define SHT_RENESAS_IOP         SHT_LOUSER      /* Used by Renesas linker.  */
 173
 174 #define SHF_RENESAS_ABS         0x80000000      /* Absolute section.  */
 175 #define SHF_GHS_ABS             0x00000400      /* Use unknown.  */
 176
 177 #define STT_RENESAS_ENTRY       14              /* Set for functions called at reset time.  */
 178
 179 START_RELOC_NUMBERS (v800_reloc_type)
 180
 181      RELOC_NUMBER (R_V800_NONE,      0x00)
 182      RELOC_NUMBER (R_V810_NONE,      0x30)
 183      RELOC_NUMBER (R_V810_BYTE,      0x31)
 184      RELOC_NUMBER (R_V810_HWORD,     0x32)
 185      RELOC_NUMBER (R_V810_WORD,      0x33)
 186      RELOC_NUMBER (R_V810_WLO,       0x34)
 187      RELOC_NUMBER (R_V810_WHI,       0x35)
 188      RELOC_NUMBER (R_V810_WHI1,      0x36)
 189      RELOC_NUMBER (R_V810_GPBYTE,    0x37)
 190      RELOC_NUMBER (R_V810_GPHWORD,   0x38)
 191      RELOC_NUMBER (R_V810_GPWORD,    0x39)
 192      RELOC_NUMBER (R_V810_GPWLO,     0x3a)
 193      RELOC_NUMBER (R_V810_GPWHI,     0x3b)
 194      RELOC_NUMBER (R_V810_GPWHI1,    0x3c)
 195      RELOC_NUMBER (R_V850_HWLO,      0x3d)
 196      FAKE_RELOC   (R_V810_reserved1, 0x3e)
 197      RELOC_NUMBER (R_V850_EP7BIT,    0x3f)
 198      RELOC_NUMBER (R_V850_EPHBYTE,   0x40)
 199      RELOC_NUMBER (R_V850_EPWBYTE,   0x41)
 200      RELOC_NUMBER (R_V850_REGHWLO,   0x42)
 201      FAKE_RELOC   (R_V810_reserved2, 0x43)
 202      RELOC_NUMBER (R_V850_GPHWLO,    0x44)
 203      FAKE_RELOC   (R_V810_reserved3, 0x45)
 204      RELOC_NUMBER (R_V850_PCR22,     0x46)
 205      RELOC_NUMBER (R_V850_BLO,       0x47)
 206      RELOC_NUMBER (R_V850_EP4BIT,    0x48)
 207      RELOC_NUMBER (R_V850_EP5BIT,    0x49)
 208      RELOC_NUMBER (R_V850_REGBLO,    0x4a)
 209      RELOC_NUMBER (R_V850_GPBLO,     0x4b)
 210      RELOC_NUMBER (R_V810_WLO_1,     0x4c)
 211      RELOC_NUMBER (R_V810_GPWLO_1,   0x4d)
 212      RELOC_NUMBER (R_V850_BLO_1,     0x4e)
 213      RELOC_NUMBER (R_V850_HWLO_1,    0x4f)
 214      FAKE_RELOC   (R_V810_reserved4, 0x50)
 215      RELOC_NUMBER (R_V850_GPBLO_1,   0x51)
 216      RELOC_NUMBER (R_V850_GPHWLO_1,  0x52)
 217      FAKE_RELOC   (R_V810_reserved5, 0x53)
 218      RELOC_NUMBER (R_V850_EPBLO,     0x54)
 219      RELOC_NUMBER (R_V850_EPHWLO,    0x55)
 220      FAKE_RELOC   (R_V810_reserved6, 0x56)
 221      RELOC_NUMBER (R_V850_EPWLO_N,   0x57)
 222      RELOC_NUMBER (R_V850_PC32,      0x58)
 223      RELOC_NUMBER (R_V850_W23BIT,    0x59)
 224      RELOC_NUMBER (R_V850_GPW23BIT,  0x5a)
 225      RELOC_NUMBER (R_V850_EPW23BIT,  0x5b)
 226      RELOC_NUMBER (R_V850_B23BIT,    0x5c)
 227      RELOC_NUMBER (R_V850_GPB23BIT,  0x5d)
 228      RELOC_NUMBER (R_V850_EPB23BIT,  0x5e)
 229      RELOC_NUMBER (R_V850_PC16U,     0x5f)
 230      RELOC_NUMBER (R_V850_PC17,      0x60)
 231      RELOC_NUMBER (R_V850_DW8,       0x61)
 232      RELOC_NUMBER (R_V850_GPDW8,     0x62)
 233      RELOC_NUMBER (R_V850_EPDW8,     0x63)
 234      RELOC_NUMBER (R_V850_PC9,       0x64)
 235      RELOC_NUMBER (R_V810_REGBYTE,   0x65)
 236      RELOC_NUMBER (R_V810_REGHWORD,  0x66)
 237      RELOC_NUMBER (R_V810_REGWORD,   0x67)
 238      RELOC_NUMBER (R_V810_REGWLO,    0x68)
 239      RELOC_NUMBER (R_V810_REGWHI,    0x69)
 240      RELOC_NUMBER (R_V810_REGWHI1,   0x6a)
 241      RELOC_NUMBER (R_V850_REGW23BIT, 0x6b)
 242      RELOC_NUMBER (R_V850_REGB23BIT, 0x6c)
 243      RELOC_NUMBER (R_V850_REGDW8,    0x6d)
 244      RELOC_NUMBER (R_V810_EPBYTE,    0x6e)
 245      RELOC_NUMBER (R_V810_EPHWORD,   0x6f)
 246      RELOC_NUMBER (R_V810_EPWORD,    0x70)
 247      RELOC_NUMBER (R_V850_WLO23,     0x71)
 248      RELOC_NUMBER (R_V850_WORD_E,    0x72)
 249      RELOC_NUMBER (R_V850_REGWORD_E, 0x73)
 250      RELOC_NUMBER (R_V850_WORD,      0x74)
 251      RELOC_NUMBER (R_V850_GPWORD,    0x75)
 252      RELOC_NUMBER (R_V850_REGWORD,   0x76)
 253      RELOC_NUMBER (R_V850_EPWORD,    0x77)
 254      RELOC_NUMBER (R_V810_TPBYTE,    0x78)
 255      RELOC_NUMBER (R_V810_TPHWORD,   0x79)
 256      RELOC_NUMBER (R_V810_TPWORD,    0x7a)
 257      RELOC_NUMBER (R_V810_TPWLO,     0x7b)
 258      RELOC_NUMBER (R_V810_TPWHI,     0x7c)
 259      RELOC_NUMBER (R_V810_TPWHI1,    0x7d)
 260      RELOC_NUMBER (R_V850_TPHWLO,    0x7e)
 261      RELOC_NUMBER (R_V850_TPBLO,     0x7f)
 262      RELOC_NUMBER (R_V810_TPWLO_1,   0x80)
 263      RELOC_NUMBER (R_V850_TPBLO_1,   0x81)
 264      RELOC_NUMBER (R_V850_TPHWLO_1,  0x82)
 265      RELOC_NUMBER (R_V850_TP23BIT,   0x83)
 266      RELOC_NUMBER (R_V850_TPW23BIT,  0x84)
 267      RELOC_NUMBER (R_V850_TPDW8,     0x85)
 268
 269 /* These are defined by the RH850 ABI, but not used.  */
 270      RELOC_NUMBER (R_V810_ABS32,     0xa0)
 271      RELOC_NUMBER (R_V850_SYM,       0xe0)
 272      RELOC_NUMBER (R_V850_OPadd,     0xe1)
 273      RELOC_NUMBER (R_V850_OPsub,     0xe2)
 274      RELOC_NUMBER (R_V850_OPsctsize, 0xe3)
 275      RELOC_NUMBER (R_V850_OPscttop,  0xe4)
 276
 277 END_RELOC_NUMBERS (R_V800_max)
 278
 279 /* Type for Renesas note sections.  NB/ This is in application space
 280    rather than processor space as it refers to the requirements of the
 281    binary concerned.  A given processor may be able to handle multiple
 282    different types of application.  */
 283 #define SHT_RENESAS_INFO        0xa0000000
 284
 285 /* Contents of a Renesas note entry:
 286
 287      namesz +------------------+
 288             |    4             |  "REL\0"
 289      descsz +------------------+
 290             |    4             |  Currently 4byte only
 291      type   +------------------+
 292             |    ID            |
 293      name   +------------------+
 294             |    REL\0         |
 295      desc   +------------------+
 296             |    Value         |
 297             +------------------+  */
 298
 299 #define V850_NOTE_SECNAME       ".note.renesas"
 300 #define SIZEOF_V850_NOTE        20
 301 #define V850_NOTE_NAME          "REL"
 302
 303 enum v850_notes
 304 {
 305   V850_NOTE_ALIGNMENT = 1,      /* Alignment of 8-byte entities.  */
 306 #define EF_RH850_DATA_ALIGN4    0x0001  /* Aligned to 4-byte bounadries.  */
 307 #define EF_RH850_DATA_ALIGN8    0x0002  /* Aligned to 8-byte bounadries.  */
 308
 309   V850_NOTE_DATA_SIZE = 2,      /* Sizeof double and long double.  */
 310 #define EF_RH850_DOUBLE32       0x0001  /* 32-bits in size.  */
 311 #define EF_RH850_DOUBLE64       0x0002  /* 64-bits in size.  */
 312
 313   V850_NOTE_FPU_INFO = 3,       /* Defined if extended floating point insns are used.  */
 314 #define EF_RH850_FPU20          0x0001  /* Set if [N]]M{ADD|SUB}F.S are used.  */
 315 #define EF_RH850_FPU30          0x0002  /* Set if ADSF.D or ADDF.D is used.  */
 316
 317   V850_NOTE_SIMD_INFO = 4,
 318 #define EF_RH850_SIMD           0x0001
 319
 320   V850_NOTE_CACHE_INFO = 5,
 321 #define EF_RH850_CACHE          0x0001
 322
 323   V850_NOTE_MMU_INFO = 6
 324 #define EF_RH850_MMU            0x0001
 325 };
 326
 327 #define NUM_V850_NOTES  V850_NOTE_MMU_INFO
 328
 329 #endif /* _ELF_V850_H */