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      1 /* SPARC ELF support for BFD.
      2    Copyright (C) 1996-2014 Free Software Foundation, Inc.
      3    By Doug Evans, Cygnus Support, <dje (at) 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 #ifndef _ELF_SPARC_H
     23 #define _ELF_SPARC_H
     24 
     25 /* Processor specific flags for the ELF header e_flags field.  */
     26 
     27 /* These are defined by Sun.  */
     28 
     29 #define EF_SPARC_32PLUS_MASK	0xffff00	/* bits indicating V8+ type */
     30 #define EF_SPARC_32PLUS		0x000100	/* generic V8+ features */
     31 #define EF_SPARC_SUN_US1	0x000200	/* Sun UltraSPARC1 extensions */
     32 #define EF_SPARC_HAL_R1		0x000400	/* HAL R1 extensions */
     33 #define EF_SPARC_SUN_US3	0x000800	/* Sun UltraSPARCIII extensions */
     34 
     35 #define EF_SPARC_LEDATA         0x800000	/* little endian data */
     36 
     37 /* This name is used in the V9 ABI.  */
     38 #define EF_SPARC_EXT_MASK	0xffff00	/* reserved for vendor extensions */
     39 
     40 /* V9 memory models */
     41 #define EF_SPARCV9_MM		0x3		/* memory model mask */
     42 #define EF_SPARCV9_TSO		0x0		/* total store ordering */
     43 #define EF_SPARCV9_PSO		0x1		/* partial store ordering */
     44 #define EF_SPARCV9_RMO		0x2		/* relaxed store ordering */
     45 
     46 /* Section indices.  */
     47 
     48 #define SHN_BEFORE	SHN_LORESERVE		/* Used with SHF_ORDERED and...  */
     49 #define SHN_AFTER	(SHN_LORESERVE + 1)	/* SHF_LINK_ORDER section flags. */
     50 
     51 /* Section flags.  */
     52 
     53 #define SHF_ORDERED		0x40000000	/* treat sh_link,sh_info specially */
     54 
     55 /* Symbol types.  */
     56 
     57 #define STT_REGISTER		13		/* global reg reserved to app. */
     58 
     59 #include "elf/reloc-macros.h"
     60 
     61 /* Relocation types.  */
     62 START_RELOC_NUMBERS (elf_sparc_reloc_type)
     63   RELOC_NUMBER (R_SPARC_NONE, 0)
     64   RELOC_NUMBER (R_SPARC_8, 1)
     65   RELOC_NUMBER (R_SPARC_16, 2)
     66   RELOC_NUMBER (R_SPARC_32, 3)
     67   RELOC_NUMBER (R_SPARC_DISP8, 4)
     68   RELOC_NUMBER (R_SPARC_DISP16, 5)
     69   RELOC_NUMBER (R_SPARC_DISP32, 6)
     70   RELOC_NUMBER (R_SPARC_WDISP30, 7)
     71   RELOC_NUMBER (R_SPARC_WDISP22, 8)
     72   RELOC_NUMBER (R_SPARC_HI22, 9)
     73   RELOC_NUMBER (R_SPARC_22, 10)
     74   RELOC_NUMBER (R_SPARC_13, 11)
     75   RELOC_NUMBER (R_SPARC_LO10, 12)
     76   RELOC_NUMBER (R_SPARC_GOT10, 13)
     77   RELOC_NUMBER (R_SPARC_GOT13, 14)
     78   RELOC_NUMBER (R_SPARC_GOT22, 15)
     79   RELOC_NUMBER (R_SPARC_PC10, 16)
     80   RELOC_NUMBER (R_SPARC_PC22, 17)
     81   RELOC_NUMBER (R_SPARC_WPLT30, 18)
     82   RELOC_NUMBER (R_SPARC_COPY, 19)
     83   RELOC_NUMBER (R_SPARC_GLOB_DAT, 20)
     84   RELOC_NUMBER (R_SPARC_JMP_SLOT, 21)
     85   RELOC_NUMBER (R_SPARC_RELATIVE, 22)
     86   RELOC_NUMBER (R_SPARC_UA32, 23)
     87 
     88   /* ??? These 6 relocs are new but not currently used.  For binary
     89      compatibility in the sparc64-elf toolchain, we leave them out.
     90      A non-binary upward compatible change is expected for sparc64-elf.  */
     91 #ifndef SPARC64_OLD_RELOCS
     92   /* ??? New relocs on the UltraSPARC.  Not sure what they're for yet.  */
     93   RELOC_NUMBER (R_SPARC_PLT32, 24)
     94   RELOC_NUMBER (R_SPARC_HIPLT22, 25)
     95   RELOC_NUMBER (R_SPARC_LOPLT10, 26)
     96   RELOC_NUMBER (R_SPARC_PCPLT32, 27)
     97   RELOC_NUMBER (R_SPARC_PCPLT22, 28)
     98   RELOC_NUMBER (R_SPARC_PCPLT10, 29)
     99 #endif
    100 
    101   /* v9 relocs */
    102   RELOC_NUMBER (R_SPARC_10, 30)
    103   RELOC_NUMBER (R_SPARC_11, 31)
    104   RELOC_NUMBER (R_SPARC_64, 32)
    105   RELOC_NUMBER (R_SPARC_OLO10, 33)
    106   RELOC_NUMBER (R_SPARC_HH22, 34)
    107   RELOC_NUMBER (R_SPARC_HM10, 35)
    108   RELOC_NUMBER (R_SPARC_LM22, 36)
    109   RELOC_NUMBER (R_SPARC_PC_HH22, 37)
    110   RELOC_NUMBER (R_SPARC_PC_HM10, 38)
    111   RELOC_NUMBER (R_SPARC_PC_LM22, 39)
    112   RELOC_NUMBER (R_SPARC_WDISP16, 40)
    113   RELOC_NUMBER (R_SPARC_WDISP19, 41)
    114   RELOC_NUMBER (R_SPARC_UNUSED_42, 42)
    115   RELOC_NUMBER (R_SPARC_7, 43)
    116   RELOC_NUMBER (R_SPARC_5, 44)
    117   RELOC_NUMBER (R_SPARC_6, 45)
    118   RELOC_NUMBER (R_SPARC_DISP64, 46)
    119   RELOC_NUMBER (R_SPARC_PLT64, 47)
    120   RELOC_NUMBER (R_SPARC_HIX22, 48)
    121   RELOC_NUMBER (R_SPARC_LOX10, 49)
    122   RELOC_NUMBER (R_SPARC_H44, 50)
    123   RELOC_NUMBER (R_SPARC_M44, 51)
    124   RELOC_NUMBER (R_SPARC_L44, 52)
    125   RELOC_NUMBER (R_SPARC_REGISTER, 53)
    126   RELOC_NUMBER (R_SPARC_UA64, 54)
    127   RELOC_NUMBER (R_SPARC_UA16, 55)
    128 
    129   RELOC_NUMBER (R_SPARC_TLS_GD_HI22, 56)
    130   RELOC_NUMBER (R_SPARC_TLS_GD_LO10, 57)
    131   RELOC_NUMBER (R_SPARC_TLS_GD_ADD, 58)
    132   RELOC_NUMBER (R_SPARC_TLS_GD_CALL, 59)
    133   RELOC_NUMBER (R_SPARC_TLS_LDM_HI22, 60)
    134   RELOC_NUMBER (R_SPARC_TLS_LDM_LO10, 61)
    135   RELOC_NUMBER (R_SPARC_TLS_LDM_ADD, 62)
    136   RELOC_NUMBER (R_SPARC_TLS_LDM_CALL, 63)
    137   RELOC_NUMBER (R_SPARC_TLS_LDO_HIX22, 64)
    138   RELOC_NUMBER (R_SPARC_TLS_LDO_LOX10, 65)
    139   RELOC_NUMBER (R_SPARC_TLS_LDO_ADD, 66)
    140   RELOC_NUMBER (R_SPARC_TLS_IE_HI22, 67)
    141   RELOC_NUMBER (R_SPARC_TLS_IE_LO10, 68)
    142   RELOC_NUMBER (R_SPARC_TLS_IE_LD, 69)
    143   RELOC_NUMBER (R_SPARC_TLS_IE_LDX, 70)
    144   RELOC_NUMBER (R_SPARC_TLS_IE_ADD, 71)
    145   RELOC_NUMBER (R_SPARC_TLS_LE_HIX22, 72)
    146   RELOC_NUMBER (R_SPARC_TLS_LE_LOX10, 73)
    147   RELOC_NUMBER (R_SPARC_TLS_DTPMOD32, 74)
    148   RELOC_NUMBER (R_SPARC_TLS_DTPMOD64, 75)
    149   RELOC_NUMBER (R_SPARC_TLS_DTPOFF32, 76)
    150   RELOC_NUMBER (R_SPARC_TLS_DTPOFF64, 77)
    151   RELOC_NUMBER (R_SPARC_TLS_TPOFF32, 78)
    152   RELOC_NUMBER (R_SPARC_TLS_TPOFF64, 79)
    153 
    154   RELOC_NUMBER (R_SPARC_GOTDATA_HIX22, 80)
    155   RELOC_NUMBER (R_SPARC_GOTDATA_LOX10, 81)
    156   RELOC_NUMBER (R_SPARC_GOTDATA_OP_HIX22, 82)
    157   RELOC_NUMBER (R_SPARC_GOTDATA_OP_LOX10, 83)
    158   RELOC_NUMBER (R_SPARC_GOTDATA_OP, 84)
    159 
    160   RELOC_NUMBER (R_SPARC_H34, 85)
    161   RELOC_NUMBER (R_SPARC_SIZE32, 86)
    162   RELOC_NUMBER (R_SPARC_SIZE64, 87)
    163   RELOC_NUMBER (R_SPARC_WDISP10, 88)
    164 
    165   EMPTY_RELOC  (R_SPARC_max_std)
    166 
    167   RELOC_NUMBER (R_SPARC_JMP_IREL, 248)
    168   RELOC_NUMBER (R_SPARC_IRELATIVE, 249)
    169   RELOC_NUMBER (R_SPARC_GNU_VTINHERIT, 250)
    170   RELOC_NUMBER (R_SPARC_GNU_VTENTRY, 251)
    171   RELOC_NUMBER (R_SPARC_REV32, 252)
    172 
    173 END_RELOC_NUMBERS (R_SPARC_max)
    174 
    175 /* Relocation macros.  */
    176 
    177 #define ELF64_R_TYPE_DATA(info) \
    178   (((bfd_signed_vma)(ELF64_R_TYPE(info) >> 8) ^ 0x800000) - 0x800000)
    179 #define ELF64_R_TYPE_ID(info) \
    180   ((info) & 0xff)
    181 #define ELF64_R_TYPE_INFO(data, type) \
    182   (((bfd_vma) ((data) & 0xffffff) << 8) | (bfd_vma) (type))
    183 
    184 /* Values for Elf64_Dyn.d_tag.  */
    185 
    186 #define DT_SPARC_REGISTER	0x70000001
    187 
    188 /* Object attribute tags.  */
    189 enum
    190 {
    191   /* 0-3 are generic.  */
    192   Tag_GNU_Sparc_HWCAPS = 4,
    193   Tag_GNU_Sparc_HWCAPS2 = 8
    194 };
    195 
    196 /* Generally speaking the ELF_SPARC_HWCAP_* and ELF_SPARC_HWCAP2_*
    197    values match the AV_SPARC_* and AV2_SPARC_* bits respectively.
    198 
    199    However Solaris 11 introduced a backwards-incompatible change
    200    deprecating the RANDOM, TRANS and ASI_CACHE_SPARING bits in the
    201    AT_SUNW_CAP_HW1 flags, reusing the bits for the unrelated hwcaps
    202    FJATHHPC, FJDES and FJAES respectively.  In GNU/Linux we opted to
    203    keep the old hwcaps in Tag_GNU_Sparc_HWCAPS and allocate bits for
    204    FJATHHPC, FJDES and JFAES in Tag_GNU_Sparc_HWCAPS2.  */
    205 
    206 #define ELF_SPARC_HWCAP_MUL32	0x00000001 /* umul/umulcc/smul/smulcc insns */
    207 #define ELF_SPARC_HWCAP_DIV32	0x00000002 /* udiv/udivcc/sdiv/sdivcc insns */
    208 #define ELF_SPARC_HWCAP_FSMULD	0x00000004 /* 'fsmuld' insn */
    209 #define ELF_SPARC_HWCAP_V8PLUS	0x00000008 /* v9 insns available to 32bit */
    210 #define ELF_SPARC_HWCAP_POPC	0x00000010 /* 'popc' insn */
    211 #define ELF_SPARC_HWCAP_VIS	0x00000020 /* VIS insns */
    212 #define ELF_SPARC_HWCAP_VIS2	0x00000040 /* VIS2 insns */
    213 #define ELF_SPARC_HWCAP_ASI_BLK_INIT	\
    214 				0x00000080 /* block init ASIs */
    215 #define ELF_SPARC_HWCAP_FMAF	0x00000100 /* fused multiply-add */
    216 #define ELF_SPARC_HWCAP_VIS3	0x00000400 /* VIS3 insns */
    217 #define ELF_SPARC_HWCAP_HPC	0x00000800 /* HPC insns */
    218 #define ELF_SPARC_HWCAP_RANDOM	0x00001000 /* 'random' insn */
    219 #define ELF_SPARC_HWCAP_TRANS	0x00002000 /* transaction insns */
    220 #define ELF_SPARC_HWCAP_FJFMAU	0x00004000 /* unfused multiply-add */
    221 #define ELF_SPARC_HWCAP_IMA	0x00008000 /* integer multiply-add */
    222 #define ELF_SPARC_HWCAP_ASI_CACHE_SPARING \
    223 				0x00010000 /* cache sparing ASIs */
    224 #define ELF_SPARC_HWCAP_AES	0x00020000 /* AES crypto insns */
    225 #define ELF_SPARC_HWCAP_DES	0x00040000 /* DES crypto insns */
    226 #define ELF_SPARC_HWCAP_KASUMI	0x00080000 /* KASUMI crypto insns */
    227 #define ELF_SPARC_HWCAP_CAMELLIA \
    228 				0x00100000 /* CAMELLIA crypto insns */
    229 #define ELF_SPARC_HWCAP_MD5	0x00200000 /* MD5 hashing insns */
    230 #define ELF_SPARC_HWCAP_SHA1	0x00400000 /* SHA1 hashing insns */
    231 #define ELF_SPARC_HWCAP_SHA256	0x00800000 /* SHA256 hashing insns */
    232 #define ELF_SPARC_HWCAP_SHA512	0x01000000 /* SHA512 hashing insns */
    233 #define ELF_SPARC_HWCAP_MPMUL	0x02000000 /* Multiple Precision Multiply */
    234 #define ELF_SPARC_HWCAP_MONT	0x04000000 /* Montgomery Mult/Sqrt */
    235 #define ELF_SPARC_HWCAP_PAUSE	0x08000000 /* Pause insn */
    236 #define ELF_SPARC_HWCAP_CBCOND	0x10000000 /* Compare and Branch insns */
    237 #define ELF_SPARC_HWCAP_CRC32C	0x20000000 /* CRC32C insn */
    238 
    239 #define ELF_SPARC_HWCAP2_FJATHPLUS 0x00000001 /* Fujitsu Athena+ */
    240 #define ELF_SPARC_HWCAP2_VIS3B     0x00000002 /* Subset of VIS3 present on sparc64 X+ */
    241 #define ELF_SPARC_HWCAP2_ADP       0x00000004 /* Application Data Protection */
    242 #define ELF_SPARC_HWCAP2_SPARC5    0x00000008 /* The 29 new fp and sub instructions */
    243 #define ELF_SPARC_HWCAP2_MWAIT     0x00000010 /* mwait instruction and load/monitor ASIs */
    244 #define ELF_SPARC_HWCAP2_XMPMUL    0x00000020 /* XOR multiple precision multiply */
    245 #define ELF_SPARC_HWCAP2_XMONT     0x00000040 /* XOR Montgomery mult/sqr instructions */
    246 #define ELF_SPARC_HWCAP2_NSEC      \
    247                                    0x00000080 /* pause insn with support for nsec timings */
    248 #define ELF_SPARC_HWCAP2_FJATHHPC  0x00001000 /* Fujitsu HPC instrs */
    249 #define ELF_SPARC_HWCAP2_FJDES     0x00002000 /* Fujitsu DES instrs */
    250 #define ELF_SPARC_HWCAP2_FJAES     0x00010000 /* Fujitsu AES instrs */
    251 
    252 #endif /* _ELF_SPARC_H */
    253