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      1 /* V850 ELF support for BFD.
      2    Copyright (C) 1997-2014 Free Software Foundation, Inc.
      3    Created by Michael Meissner, Cygnus Support <meissner (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 /* 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 
    117 /* Processor specific section indices.  These sections do not actually
    119    exist.  Symbols with a st_shndx field corresponding to one of these
    120    values have a special meaning.  */
    121 
    122 /* Small data area common symbol.  */
    123 #define SHN_V850_SCOMMON	SHN_LORESERVE
    124 
    125 /* Tiny data area common symbol.  */
    126 #define SHN_V850_TCOMMON	(SHN_LORESERVE + 1)
    127 
    128 /* Zero data area common symbol.  */
    129 #define SHN_V850_ZCOMMON	(SHN_LORESERVE + 2)
    130 
    131 
    132 /* Processor specific section types.  */
    134 
    135 /* Section contains the .scommon data.  */
    136 #define SHT_V850_SCOMMON	0x70000000
    137 
    138 /* Section contains the .scommon data.  */
    139 #define SHT_V850_TCOMMON	0x70000001
    140 
    141 /* Section contains the .scommon data.  */
    142 #define SHT_V850_ZCOMMON	0x70000002
    143 
    144 /* Processor specific section flags.  */
    145 
    146 /* This section must be in the small data area (pointed to by GP).  */
    147 #define SHF_V850_GPREL		0x10000000
    148 
    149 /* This section must be in the tiny data area (pointed to by EP).  */
    150 #define SHF_V850_EPREL		0x20000000
    151 
    152 /* This section must be in the zero data area (pointed to by R0).  */
    153 #define SHF_V850_R0REL		0x40000000
    154 
    155 /* Alternative versions of the above definitions, as specified by the RH850 ABI.  */
    156 
    157 #define EF_RH850_ABI		0xF0000000
    158 
    159 #define EF_V800_850E3		0x00100000
    160 
    161 #define EF_RH850_FPU_DOUBLE	0x00000001	/* sizeof(double) == 8.  */
    162 #define EF_RH850_FPU_SINGLE	0x00000002	/* sizeof(double) == 4.  */
    163 #define EF_RH850_SIMD		0x00000004
    164 #define EF_RH850_CACHE		0x00000008
    165 #define EF_RH850_MMU		0x00000010
    166 #define EF_RH850_REGMODE22	0x00000020	/* Registers r15-r24 (inclusive) are not used.  */
    167 #define EF_RH850_REGMODE32	0x00000040
    168 #define EF_RH850_DATA_ALIGN8	0x00000080	/* 8-byte alignment supported.  */
    169 #define EF_RH850_GP_FIX		0x00000100	/* r4 is fixed.  */
    170 #define EF_RH850_GP_NOFIX	0x00000200	/* r4 is callee save.  */
    171 #define EF_RH850_EP_FIX		0x00000400	/* r30 is fixed.  */
    172 #define EF_RH850_EP_NOFIX	0x00000800	/* r30 is callee save.  */
    173 #define EF_RH850_TP_FIX		0x00001000	/* r5 is fixed.  */
    174 #define EF_RH850_TP_NOFIX	0x00002000	/* r5 is callee save.  */
    175 #define EF_RH850_REG2_RESERVE	0x00004000	/* r2 is fixed.  */
    176 #define EF_RH850_REG2_NORESERVE 0x00008000	/* r2 is callee saved.  */
    177 
    178 #define SHT_RNESAS_IOP		SHT_LOUSER	/* Used by Renesas linker.  */
    179 
    180 #define SHF_RENESAS_ABS		0x80000000	/* Absolute section.  */
    181 #define SHF_GHS_ABS		0x00000400	/* Use unknown.  */
    182 
    183 #define STT_RENESAS_ENTRY	14		/* Set for functions called at reset time.  */
    184 
    185 START_RELOC_NUMBERS (v800_reloc_type)
    186 
    187      RELOC_NUMBER (R_V800_NONE,      0x00)
    188      RELOC_NUMBER (R_V810_NONE,      0x30)
    189      RELOC_NUMBER (R_V810_BYTE,      0x31)
    190      RELOC_NUMBER (R_V810_HWORD,     0x32)
    191      RELOC_NUMBER (R_V810_WORD,      0x33)
    192      RELOC_NUMBER (R_V810_WLO,       0x34)
    193      RELOC_NUMBER (R_V810_WHI,       0x35)
    194      RELOC_NUMBER (R_V810_WHI1,      0x36)
    195      RELOC_NUMBER (R_V810_GPBYTE,    0x37)
    196      RELOC_NUMBER (R_V810_GPHWORD,   0x38)
    197      RELOC_NUMBER (R_V810_GPWORD,    0x39)
    198      RELOC_NUMBER (R_V810_GPWLO,     0x3a)
    199      RELOC_NUMBER (R_V810_GPWHI,     0x3b)
    200      RELOC_NUMBER (R_V810_GPWHI1,    0x3c)
    201      RELOC_NUMBER (R_V850_HWLO,      0x3d)
    202      FAKE_RELOC   (R_V810_reserved1, 0x3e)
    203      RELOC_NUMBER (R_V850_EP7BIT,    0x3f)
    204      RELOC_NUMBER (R_V850_EPHBYTE,   0x40)
    205      RELOC_NUMBER (R_V850_EPWBYTE,   0x41)
    206      RELOC_NUMBER (R_V850_REGHWLO,   0x42)
    207      FAKE_RELOC   (R_V810_reserved2, 0x43)
    208      RELOC_NUMBER (R_V850_GPHWLO,    0x44)
    209      FAKE_RELOC   (R_V810_reserved3, 0x45)
    210      RELOC_NUMBER (R_V850_PCR22,     0x46)
    211      RELOC_NUMBER (R_V850_BLO,       0x47)
    212      RELOC_NUMBER (R_V850_EP4BIT,    0x48)
    213      RELOC_NUMBER (R_V850_EP5BIT,    0x49)
    214      RELOC_NUMBER (R_V850_REGBLO,    0x4a)
    215      RELOC_NUMBER (R_V850_GPBLO,     0x4b)
    216      RELOC_NUMBER (R_V810_WLO_1,     0x4c)
    217      RELOC_NUMBER (R_V810_GPWLO_1,   0x4d)
    218      RELOC_NUMBER (R_V850_BLO_1,     0x4e)
    219      RELOC_NUMBER (R_V850_HWLO_1,    0x4f)
    220      FAKE_RELOC   (R_V810_reserved4, 0x50)
    221      RELOC_NUMBER (R_V850_GPBLO_1,   0x51)
    222      RELOC_NUMBER (R_V850_GPHWLO_1,  0x52)
    223      FAKE_RELOC   (R_V810_reserved5, 0x53)
    224      RELOC_NUMBER (R_V850_EPBLO,     0x54)
    225      RELOC_NUMBER (R_V850_EPHWLO,    0x55)
    226      FAKE_RELOC   (R_V810_reserved6, 0x56)
    227      RELOC_NUMBER (R_V850_EPWLO_N,   0x57)
    228      RELOC_NUMBER (R_V850_PC32,      0x58)
    229      RELOC_NUMBER (R_V850_W23BIT,    0x59)
    230      RELOC_NUMBER (R_V850_GPW23BIT,  0x5a)
    231      RELOC_NUMBER (R_V850_EPW23BIT,  0x5b)
    232      RELOC_NUMBER (R_V850_B23BIT,    0x5c)
    233      RELOC_NUMBER (R_V850_GPB23BIT,  0x5d)
    234      RELOC_NUMBER (R_V850_EPB23BIT,  0x5e)
    235      RELOC_NUMBER (R_V850_PC16U,     0x5f)
    236      RELOC_NUMBER (R_V850_PC17,      0x60)
    237      RELOC_NUMBER (R_V850_DW8,       0x61)
    238      RELOC_NUMBER (R_V850_GPDW8,     0x62)
    239      RELOC_NUMBER (R_V850_EPDW8,     0x63)
    240      RELOC_NUMBER (R_V850_PC9,       0x64)
    241      RELOC_NUMBER (R_V810_REGBYTE,   0x65)
    242      RELOC_NUMBER (R_V810_REGHWORD,  0x66)
    243      RELOC_NUMBER (R_V810_REGWORD,   0x67)
    244      RELOC_NUMBER (R_V810_REGWLO,    0x68)
    245      RELOC_NUMBER (R_V810_REGWHI,    0x69)
    246      RELOC_NUMBER (R_V810_REGWHI1,   0x6a)
    247      RELOC_NUMBER (R_V850_REGW23BIT, 0x6b)
    248      RELOC_NUMBER (R_V850_REGB23BIT, 0x6c)
    249      RELOC_NUMBER (R_V850_REGDW8,    0x6d)
    250      RELOC_NUMBER (R_V810_EPBYTE,    0x6e)
    251      RELOC_NUMBER (R_V810_EPHWORD,   0x6f)
    252      RELOC_NUMBER (R_V810_EPWORD,    0x70)
    253      RELOC_NUMBER (R_V850_WLO23,     0x71)
    254      RELOC_NUMBER (R_V850_WORD_E,    0x72)
    255      RELOC_NUMBER (R_V850_REGWORD_E, 0x73)
    256      RELOC_NUMBER (R_V850_WORD,      0x74)
    257      RELOC_NUMBER (R_V850_GPWORD,    0x75)
    258      RELOC_NUMBER (R_V850_REGWORD,   0x76)
    259      RELOC_NUMBER (R_V850_EPWORD,    0x77)
    260      RELOC_NUMBER (R_V810_TPBYTE,    0x78)
    261      RELOC_NUMBER (R_V810_TPHWORD,   0x79)
    262      RELOC_NUMBER (R_V810_TPWORD,    0x7a)
    263      RELOC_NUMBER (R_V810_TPWLO,     0x7b)
    264      RELOC_NUMBER (R_V810_TPWHI,     0x7c)
    265      RELOC_NUMBER (R_V810_TPWHI1,    0x7d)
    266      RELOC_NUMBER (R_V850_TPHWLO,    0x7e)
    267      RELOC_NUMBER (R_V850_TPBLO,     0x7f)
    268      RELOC_NUMBER (R_V810_TPWLO_1,   0x80)
    269      RELOC_NUMBER (R_V850_TPBLO_1,   0x81)
    270      RELOC_NUMBER (R_V850_TPHWLO_1,  0x82)
    271      RELOC_NUMBER (R_V850_TP23BIT,   0x83)
    272      RELOC_NUMBER (R_V850_TPW23BIT,  0x84)
    273      RELOC_NUMBER (R_V850_TPDW8,     0x85)
    274 
    275 /* These are defined by the RH850 ABI, but not used.  */
    276      RELOC_NUMBER (R_V810_ABS32,     0xa0)
    277      RELOC_NUMBER (R_V850_SYM,       0xe0)
    278      RELOC_NUMBER (R_V850_OPadd,     0xe1)
    279      RELOC_NUMBER (R_V850_OPsub,     0xe2)
    280      RELOC_NUMBER (R_V850_OPsctsize, 0xe3)
    281      RELOC_NUMBER (R_V850_OPscttop,  0xe4)
    282 
    283 END_RELOC_NUMBERS (R_V800_max)
    284 
    285 #endif /* _ELF_V850_H */
    286