include/elf/csky.h

   1 /* C-SKY ELF support for BFD.
   2    Copyright (C) 1998-2024 Free Software Foundation, Inc.
   3    Contributed by C-SKY Microsystems and Mentor Graphics.
   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 Foundation,
  19    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #ifndef _ELF_CSKY_H
  22 #define _ELF_CSKY_H
  23
  24 #include "elf/reloc-macros.h"
  25
  26 /* Values of relocation types according to the ABI doc.
  27    The order should be consistent with csky bfd reloc type
  28    table in bfd-in2.h.  */
  29 START_RELOC_NUMBERS (elf_csky_reloc_type)
  30     RELOC_NUMBER (R_CKCORE_NONE,0)
  31     RELOC_NUMBER (R_CKCORE_ADDR32,1)
  32     RELOC_NUMBER (R_CKCORE_PCREL_IMM8BY4,2)
  33     RELOC_NUMBER (R_CKCORE_PCREL_IMM11BY2,3)
  34     RELOC_NUMBER (R_CKCORE_PCREL_IMM4BY2,4)
  35     RELOC_NUMBER (R_CKCORE_PCREL32,5)
  36     RELOC_NUMBER (R_CKCORE_PCREL_JSR_IMM11BY2,6)
  37     RELOC_NUMBER (R_CKCORE_GNU_VTINHERIT,7)
  38     RELOC_NUMBER (R_CKCORE_GNU_VTENTRY,8)
  39     RELOC_NUMBER (R_CKCORE_RELATIVE,9)
  40     RELOC_NUMBER (R_CKCORE_COPY,10)
  41     RELOC_NUMBER (R_CKCORE_GLOB_DAT,11)
  42     RELOC_NUMBER (R_CKCORE_JUMP_SLOT,12)
  43     RELOC_NUMBER (R_CKCORE_GOTOFF,13)
  44     RELOC_NUMBER (R_CKCORE_GOTPC,14)
  45     RELOC_NUMBER (R_CKCORE_GOT32,15)
  46     RELOC_NUMBER (R_CKCORE_PLT32,16)
  47     RELOC_NUMBER (R_CKCORE_ADDRGOT,17)
  48     RELOC_NUMBER (R_CKCORE_ADDRPLT,18)
  49     RELOC_NUMBER (R_CKCORE_PCREL_IMM26BY2,19)
  50     RELOC_NUMBER (R_CKCORE_PCREL_IMM16BY2,20)
  51     RELOC_NUMBER (R_CKCORE_PCREL_IMM16BY4,21)
  52     RELOC_NUMBER (R_CKCORE_PCREL_IMM10BY2,22)
  53     RELOC_NUMBER (R_CKCORE_PCREL_IMM10BY4,23)
  54     RELOC_NUMBER (R_CKCORE_ADDR_HI16,24)
  55     RELOC_NUMBER (R_CKCORE_ADDR_LO16,25)
  56     RELOC_NUMBER (R_CKCORE_GOTPC_HI16,26)
  57     RELOC_NUMBER (R_CKCORE_GOTPC_LO16,27)
  58     RELOC_NUMBER (R_CKCORE_GOTOFF_HI16,28)
  59     RELOC_NUMBER (R_CKCORE_GOTOFF_LO16,29)
  60     RELOC_NUMBER (R_CKCORE_GOT12,30)
  61     RELOC_NUMBER (R_CKCORE_GOT_HI16,31)
  62     RELOC_NUMBER (R_CKCORE_GOT_LO16,32)
  63     RELOC_NUMBER (R_CKCORE_PLT12,33)
  64     RELOC_NUMBER (R_CKCORE_PLT_HI16,34)
  65     RELOC_NUMBER (R_CKCORE_PLT_LO16,35)
  66     RELOC_NUMBER (R_CKCORE_ADDRGOT_HI16,36)
  67     RELOC_NUMBER (R_CKCORE_ADDRGOT_LO16,37)
  68     RELOC_NUMBER (R_CKCORE_ADDRPLT_HI16,38)
  69     RELOC_NUMBER (R_CKCORE_ADDRPLT_LO16,39)
  70     RELOC_NUMBER (R_CKCORE_PCREL_JSR_IMM26BY2,40)
  71     RELOC_NUMBER (R_CKCORE_TOFFSET_LO16, 41)
  72     RELOC_NUMBER (R_CKCORE_DOFFSET_LO16, 42)
  73     RELOC_NUMBER (R_CKCORE_PCREL_IMM18BY2, 43)
  74     RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18, 44)
  75     RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18BY2, 45)
  76     RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18BY4, 46)
  77     RELOC_NUMBER (R_CKCORE_GOTOFF_IMM18, 47)
  78     RELOC_NUMBER (R_CKCORE_GOT_IMM18BY4, 48)
  79     RELOC_NUMBER (R_CKCORE_PLT_IMM18BY4, 49)
  80     RELOC_NUMBER (R_CKCORE_PCREL_IMM7BY4, 50)
  81     RELOC_NUMBER (R_CKCORE_TLS_LE32, 51)
  82     RELOC_NUMBER (R_CKCORE_TLS_IE32, 52)
  83     RELOC_NUMBER (R_CKCORE_TLS_GD32, 53)
  84     RELOC_NUMBER (R_CKCORE_TLS_LDM32, 54)
  85     RELOC_NUMBER (R_CKCORE_TLS_LDO32, 55)
  86     RELOC_NUMBER (R_CKCORE_TLS_DTPMOD32, 56)
  87     RELOC_NUMBER (R_CKCORE_TLS_DTPOFF32, 57)
  88     RELOC_NUMBER (R_CKCORE_TLS_TPOFF32, 58)
  89     RELOC_NUMBER (R_CKCORE_PCREL_FLRW_IMM8BY4, 59)
  90     RELOC_NUMBER (R_CKCORE_NOJSRI, 60)
  91     RELOC_NUMBER (R_CKCORE_CALLGRAPH, 61)
  92     RELOC_NUMBER (R_CKCORE_IRELATIVE, 62)
  93     RELOC_NUMBER (R_CKCORE_PCREL_BLOOP_IMM4BY4, 63)
  94     RELOC_NUMBER (R_CKCORE_PCREL_BLOOP_IMM12BY4, 64)
  95 END_RELOC_NUMBERS (R_CKCORE_MAX)
  96
  97 /* Additional section types.  */
  98 #define SHT_CSKY_ATTRIBUTES       (SHT_LOPROC + 1) /* Section holds attributes.  */
  99
 100 /* Object attribute tags.  */
 101 enum
 102 {
 103   /* 0-3 are generic. */
 104   /* Arch name for this object file.  */
 105   Tag_CSKY_ARCH_NAME = 4,
 106   Tag_CSKY_CPU_NAME = 5,
 107
 108   /* ISA flags for this object file.  */
 109   Tag_CSKY_ISA_FLAGS,
 110   Tag_CSKY_ISA_EXT_FLAGS,
 111
 112   /* CSKY DSP version used by this object file.  */
 113   Tag_CSKY_DSP_VERSION,
 114
 115   /* CSKY VDSP version used by this object file.  */
 116   Tag_CSKY_VDSP_VERSION,
 117
 118   /* CSKY FPU version used by this object file.  */
 119   Tag_CSKY_FPU_VERSION = 0x10,
 120   /* FPU ABI.  params: Soft GR/Hard GR/Hard FR. */
 121   Tag_CSKY_FPU_ABI,
 122   /* Rounding Support.  */
 123   Tag_CSKY_FPU_ROUNDING,
 124   /* Denormal Support.  */
 125   Tag_CSKY_FPU_DENORMAL,
 126   /* Exeception Support.  */
 127   Tag_CSKY_FPU_Exception,
 128   /* Number Module Support("IEEE 754").  */
 129   Tag_CSKY_FPU_NUMBER_MODULE,
 130   /* Half/Single/Double.  */
 131   Tag_CSKY_FPU_HARDFP,
 132
 133   Tag_CSKY_MAX,
 134 };
 135
 136 /* Object attribute values.  */
 137 enum
 138 {
 139   /* Values defined for Tag_CSKY_DSP_VERSION.  */
 140   VAL_CSKY_DSP_VERSION_EXTENSION = 1,   /* hi-lo DSP extension.  */
 141   VAL_CSKY_DSP_VERSION_2 = 2,           /* CK803s EDSP.  */
 142 };
 143
 144 enum
 145 {
 146   /* Values defined for Tag_CSKY_VDSP_VERSION.  */
 147   VAL_CSKY_VDSP_VERSION_1 = 1,  /* VDSP version 1.  */
 148   VAL_CSKY_VDSP_VERSION_2       /* VDSP version 1.  */
 149 };
 150
 151 enum
 152 {
 153   /* Values defined for Tag_CSKY_FPU_VERSION.  */
 154   VAL_CSKY_FPU_VERSION_1 = 1,   /* ABIV1 FPU.  */
 155   VAL_CSKY_FPU_VERSION_2,       /* ABIV2 FPU.  */
 156 };
 157
 158 enum
 159 {
 160   VAL_CSKY_FPU_ABI_SOFT = 1,
 161   VAL_CSKY_FPU_ABI_SOFTFP,
 162   VAL_CSKY_FPU_ABI_HARD,
 163 };
 164
 165 enum
 166 {
 167   VAL_CSKY_FPU_HARDFP_HALF = 1,
 168   VAL_CSKY_FPU_HARDFP_SINGLE = 2,
 169   VAL_CSKY_FPU_HARDFP_DOUBLE = 4,
 170 };
 171
 172 #endif /* _ELF_CSKY_H  */