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      1 /* SH ELF support for BFD.
      2    Copyright (C) 1998-2016 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
     19 
     20 #ifndef _ELF_SH_H
     21 #define _ELF_SH_H
     22 
     23 #ifdef __cplusplus
     24 extern "C" {
     25 #endif
     26 
     27 /* Processor specific flags for the ELF header e_flags field.  */
     28 
     29 #define EF_SH_MACH_MASK	0x1f
     30 #define EF_SH_UNKNOWN	   0 /* For backwards compatibility.  */
     31 #define EF_SH1		   1
     32 #define EF_SH2		   2
     33 #define EF_SH3		   3
     34 #define EF_SH_DSP	   4
     35 #define EF_SH3_DSP	   5
     36 #define EF_SH4AL_DSP	   6
     37 #define EF_SH3E		   8
     38 #define EF_SH4		   9
     39 #define EF_SH2E            11
     40 #define EF_SH4A		   12
     41 #define EF_SH2A            13
     42 
     43 #define EF_SH4_NOFPU	   16
     44 #define EF_SH4A_NOFPU	   17
     45 #define EF_SH4_NOMMU_NOFPU 18
     46 #define EF_SH2A_NOFPU      19
     47 #define EF_SH3_NOMMU       20
     48 
     49 #define EF_SH2A_SH4_NOFPU  21
     50 #define EF_SH2A_SH3_NOFPU  22
     51 #define EF_SH2A_SH4        23
     52 #define EF_SH2A_SH3E       24
     53 
     54 /* This one can only mix in objects from other EF_SH5 objects.  */
     55 #define EF_SH5		  10
     56 
     57 /* Define the mapping from ELF to bfd mach numbers.
     58    bfd_mach_* are defined in bfd_in2.h (generated from
     59    archures.c).  */
     60 #define EF_SH_BFD_TABLE \
     61 /* EF_SH_UNKNOWN	*/ bfd_mach_sh		, \
     62 /* EF_SH1		*/ bfd_mach_sh		, \
     63 /* EF_SH2		*/ bfd_mach_sh2		, \
     64 /* EF_SH3		*/ bfd_mach_sh3		, \
     65 /* EF_SH_DSP		*/ bfd_mach_sh_dsp	, \
     66 /* EF_SH3_DSP		*/ bfd_mach_sh3_dsp	, \
     67 /* EF_SHAL_DSP		*/ bfd_mach_sh4al_dsp	, \
     68 /* 7			*/ 0, \
     69 /* EF_SH3E		*/ bfd_mach_sh3e	, \
     70 /* EF_SH4		*/ bfd_mach_sh4		, \
     71 /* EF_SH5		*/ 0, \
     72 /* EF_SH2E		*/ bfd_mach_sh2e	, \
     73 /* EF_SH4A		*/ bfd_mach_sh4a	, \
     74 /* EF_SH2A		*/ bfd_mach_sh2a        , \
     75 /* 14, 15		*/ 0, 0, \
     76 /* EF_SH4_NOFPU		*/ bfd_mach_sh4_nofpu	, \
     77 /* EF_SH4A_NOFPU	*/ bfd_mach_sh4a_nofpu	, \
     78 /* EF_SH4_NOMMU_NOFPU	*/ bfd_mach_sh4_nommu_nofpu, \
     79 /* EF_SH2A_NOFPU	*/ bfd_mach_sh2a_nofpu  , \
     80 /* EF_SH3_NOMMU		*/ bfd_mach_sh3_nommu   , \
     81 /* EF_SH2A_SH4_NOFPU    */ bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu, \
     82 /* EF_SH2A_SH3_NOFPU    */ bfd_mach_sh2a_nofpu_or_sh3_nommu, \
     83 /* EF_SH2A_SH4          */ bfd_mach_sh2a_or_sh4 , \
     84 /* EF_SH2A_SH3E         */ bfd_mach_sh2a_or_sh3e
     85 
     86 /* Convert arch_sh* into EF_SH*.  */
     87 int sh_find_elf_flags (unsigned int arch_set);
     88 
     89 /* Convert bfd_mach_* into EF_SH*.  */
     90 int sh_elf_get_flags_from_mach (unsigned long mach);
     91 
     92 /* Other e_flags bits.  */
     93 
     94 #define EF_SH_PIC		0x100	/* Segments of an FDPIC binary may
     95 					   be relocated independently.  */
     96 #define EF_SH_FDPIC		0x8000	/* Uses the FDPIC ABI.  */
     97 
     98 /* Flags for the st_other symbol field.
     99    Keep away from the STV_ visibility flags (bit 0..1).  */
    100 
    101 /* A reference to this symbol should by default add 1.  */
    102 #define STO_SH5_ISA32 (1 << 2)
    103 
    104 /* Section contains only SHmedia code (no SHcompact code).  */
    105 #define SHF_SH5_ISA32		0x40000000
    106 
    107 /* Section contains both SHmedia and SHcompact code, and possibly also
    108    constants.  */
    109 #define SHF_SH5_ISA32_MIXED	0x20000000
    110 
    111 /* If applied to a .cranges section, marks that the section is sorted by
    112    increasing cr_addr values.  */
    113 #define SHT_SH5_CR_SORTED 0x80000001
    114 
    115 /* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
    116    symbols).  */
    117 #define STT_DATALABEL STT_LOPROC
    118 
    119 #include "elf/reloc-macros.h"
    120 
    121 /* Relocations.  */
    122 /* Relocations 10-32 and 128-255 are GNU extensions.
    123    25..32 and 10 are used for relaxation.  */
    124 START_RELOC_NUMBERS (elf_sh_reloc_type)
    125   RELOC_NUMBER (R_SH_NONE, 0)
    126   RELOC_NUMBER (R_SH_DIR32, 1)
    127   RELOC_NUMBER (R_SH_REL32, 2)
    128   RELOC_NUMBER (R_SH_DIR8WPN, 3)
    129   RELOC_NUMBER (R_SH_IND12W, 4)
    130   RELOC_NUMBER (R_SH_DIR8WPL, 5)
    131   RELOC_NUMBER (R_SH_DIR8WPZ, 6)
    132   RELOC_NUMBER (R_SH_DIR8BP, 7)
    133   RELOC_NUMBER (R_SH_DIR8W, 8)
    134   RELOC_NUMBER (R_SH_DIR8L, 9)
    135 
    136   RELOC_NUMBER (R_SH_LOOP_START, 10)
    137   RELOC_NUMBER (R_SH_LOOP_END, 11)
    138 
    139   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 12)
    140   FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 21)
    141 
    142   RELOC_NUMBER (R_SH_GNU_VTINHERIT, 22)
    143   RELOC_NUMBER (R_SH_GNU_VTENTRY, 23)
    144   RELOC_NUMBER (R_SH_SWITCH8, 24)
    145   RELOC_NUMBER (R_SH_SWITCH16, 25)
    146   RELOC_NUMBER (R_SH_SWITCH32, 26)
    147   RELOC_NUMBER (R_SH_USES, 27)
    148   RELOC_NUMBER (R_SH_COUNT, 28)
    149   RELOC_NUMBER (R_SH_ALIGN, 29)
    150   RELOC_NUMBER (R_SH_CODE, 30)
    151   RELOC_NUMBER (R_SH_DATA, 31)
    152   RELOC_NUMBER (R_SH_LABEL, 32)
    153 
    154   RELOC_NUMBER (R_SH_DIR16, 33)
    155   RELOC_NUMBER (R_SH_DIR8, 34)
    156   RELOC_NUMBER (R_SH_DIR8UL, 35)
    157   RELOC_NUMBER (R_SH_DIR8UW, 36)
    158   RELOC_NUMBER (R_SH_DIR8U, 37)
    159   RELOC_NUMBER (R_SH_DIR8SW, 38)
    160   RELOC_NUMBER (R_SH_DIR8S, 39)
    161   RELOC_NUMBER (R_SH_DIR4UL, 40)
    162   RELOC_NUMBER (R_SH_DIR4UW, 41)
    163   RELOC_NUMBER (R_SH_DIR4U, 42)
    164   RELOC_NUMBER (R_SH_PSHA, 43)
    165   RELOC_NUMBER (R_SH_PSHL, 44)
    166   RELOC_NUMBER (R_SH_DIR5U, 45)
    167   RELOC_NUMBER (R_SH_DIR6U, 46)
    168   RELOC_NUMBER (R_SH_DIR6S, 47)
    169   RELOC_NUMBER (R_SH_DIR10S, 48)
    170   RELOC_NUMBER (R_SH_DIR10SW, 49)
    171   RELOC_NUMBER (R_SH_DIR10SL, 50)
    172   RELOC_NUMBER (R_SH_DIR10SQ, 51)
    173   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 52)
    174   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 52)
    175   RELOC_NUMBER (R_SH_DIR16S, 53)
    176   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 54)
    177   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 143)
    178   RELOC_NUMBER (R_SH_TLS_GD_32, 144)
    179   RELOC_NUMBER (R_SH_TLS_LD_32, 145)
    180   RELOC_NUMBER (R_SH_TLS_LDO_32, 146)
    181   RELOC_NUMBER (R_SH_TLS_IE_32, 147)
    182   RELOC_NUMBER (R_SH_TLS_LE_32, 148)
    183   RELOC_NUMBER (R_SH_TLS_DTPMOD32, 149)
    184   RELOC_NUMBER (R_SH_TLS_DTPOFF32, 150)
    185   RELOC_NUMBER (R_SH_TLS_TPOFF32, 151)
    186   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 152)
    187   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 159)
    188   RELOC_NUMBER (R_SH_GOT32, 160)
    189   RELOC_NUMBER (R_SH_PLT32, 161)
    190   RELOC_NUMBER (R_SH_COPY, 162)
    191   RELOC_NUMBER (R_SH_GLOB_DAT, 163)
    192   RELOC_NUMBER (R_SH_JMP_SLOT, 164)
    193   RELOC_NUMBER (R_SH_RELATIVE, 165)
    194   RELOC_NUMBER (R_SH_GOTOFF, 166)
    195   RELOC_NUMBER (R_SH_GOTPC, 167)
    196   RELOC_NUMBER (R_SH_GOTPLT32, 168)
    197   RELOC_NUMBER (R_SH_GOT_LOW16, 169)
    198   RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
    199   RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
    200   RELOC_NUMBER (R_SH_GOT_HI16, 172)
    201   RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
    202   RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
    203   RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
    204   RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
    205   RELOC_NUMBER (R_SH_PLT_LOW16, 177)
    206   RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
    207   RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
    208   RELOC_NUMBER (R_SH_PLT_HI16, 180)
    209   RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
    210   RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
    211   RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
    212   RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
    213   RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
    214   RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
    215   RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
    216   RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
    217   RELOC_NUMBER (R_SH_GOT10BY4, 189)
    218   RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
    219   RELOC_NUMBER (R_SH_GOT10BY8, 191)
    220   RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
    221   RELOC_NUMBER (R_SH_COPY64, 193)
    222   RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
    223   RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
    224   RELOC_NUMBER (R_SH_RELATIVE64, 196)
    225   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_5, 197)
    226   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_5, 200)
    227   RELOC_NUMBER (R_SH_GOT20, 201)
    228   RELOC_NUMBER (R_SH_GOTOFF20, 202)
    229   RELOC_NUMBER (R_SH_GOTFUNCDESC, 203)
    230   RELOC_NUMBER (R_SH_GOTFUNCDESC20, 204)
    231   RELOC_NUMBER (R_SH_GOTOFFFUNCDESC, 205)
    232   RELOC_NUMBER (R_SH_GOTOFFFUNCDESC20, 206)
    233   RELOC_NUMBER (R_SH_FUNCDESC, 207)
    234   RELOC_NUMBER (R_SH_FUNCDESC_VALUE, 208)
    235   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_6, 209)
    236   FAKE_RELOC (R_SH_LAST_INVALID_RELOC_6, 241)
    237   RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
    238   RELOC_NUMBER (R_SH_PT_16, 243)
    239   RELOC_NUMBER (R_SH_IMMS16, 244)
    240   RELOC_NUMBER (R_SH_IMMU16, 245)
    241   RELOC_NUMBER (R_SH_IMM_LOW16, 246)
    242   RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
    243   RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
    244   RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
    245   RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
    246   RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
    247   RELOC_NUMBER (R_SH_IMM_HI16, 252)
    248   RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
    249   RELOC_NUMBER (R_SH_64, 254)
    250   RELOC_NUMBER (R_SH_64_PCREL, 255)
    251 END_RELOC_NUMBERS (R_SH_max)
    252 
    253 #ifdef __cplusplus
    254 }
    255 #endif
    256 
    257 #endif
    258