opcodes/bpf-desc.h

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
   2 /* CPU data header for bpf.
   3
   4 THIS FILE IS MACHINE GENERATED WITH CGEN.
   5
   6 Copyright (C) 1996-2021 Free Software Foundation, Inc.
   7
   8 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
   9
  10    This file is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    It is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License along
  21    with this program; if not, write to the Free Software Foundation, Inc.,
  22    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  23
  24 */
  25
  26 #ifndef BPF_CPU_H
  27 #define BPF_CPU_H
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #define CGEN_ARCH bpf
  34
  35 /* Given symbol S, return bpf_cgen_<S>.  */
  36 #define CGEN_SYM(s) bpf##_cgen_##s
  37
  38
  39 /* Selected cpu families.  */
  40 #define HAVE_CPU_BPFBF
  41
  42 #define CGEN_INSN_LSB0_P 1
  43
  44 /* Minimum size of any insn (in bytes).  */
  45 #define CGEN_MIN_INSN_SIZE 8
  46
  47 /* Maximum size of any insn (in bytes).  */
  48 #define CGEN_MAX_INSN_SIZE 16
  49
  50 #define CGEN_INT_INSN_P 0
  51
  52 /* Maximum number of syntax elements in an instruction.  */
  53 #define CGEN_ACTUAL_MAX_SYNTAX_ELEMENTS 16
  54
  55 /* CGEN_MNEMONIC_OPERANDS is defined if mnemonics have operands.
  56    e.g. In "b,a foo" the ",a" is an operand.  If mnemonics have operands
  57    we can't hash on everything up to the space.  */
  58 #define CGEN_MNEMONIC_OPERANDS
  59
  60 /* Maximum number of fields in an instruction.  */
  61 #define CGEN_ACTUAL_MAX_IFMT_OPERANDS 7
  62
  63 /* Enums.  */
  64
  65 /* Enum declaration for eBPF instruction codes.  */
  66 typedef enum insn_op_code_alu {
  67   OP_CODE_ADD = 0, OP_CODE_SUB = 1, OP_CODE_MUL = 2, OP_CODE_DIV = 3
  68  , OP_CODE_OR = 4, OP_CODE_AND = 5, OP_CODE_LSH = 6, OP_CODE_RSH = 7
  69  , OP_CODE_NEG = 8, OP_CODE_MOD = 9, OP_CODE_XOR = 10, OP_CODE_MOV = 11
  70  , OP_CODE_ARSH = 12, OP_CODE_END = 13, OP_CODE_SDIV = 14, OP_CODE_SMOD = 15
  71  , OP_CODE_JA = 0, OP_CODE_JEQ = 1, OP_CODE_JGT = 2, OP_CODE_JGE = 3
  72  , OP_CODE_JSET = 4, OP_CODE_JNE = 5, OP_CODE_JSGT = 6, OP_CODE_JSGE = 7
  73  , OP_CODE_CALL = 8, OP_CODE_EXIT = 9, OP_CODE_JLT = 10, OP_CODE_JLE = 11
  74  , OP_CODE_JSLT = 12, OP_CODE_JSLE = 13
  75 } INSN_OP_CODE_ALU;
  76
  77 /* Enum declaration for eBPF instruction source.  */
  78 typedef enum insn_op_src {
  79   OP_SRC_K, OP_SRC_X
  80 } INSN_OP_SRC;
  81
  82 /* Enum declaration for eBPF instruction class.  */
  83 typedef enum insn_op_class {
  84   OP_CLASS_LD, OP_CLASS_LDX, OP_CLASS_ST, OP_CLASS_STX
  85  , OP_CLASS_ALU, OP_CLASS_JMP, OP_CLASS_JMP32, OP_CLASS_ALU64
  86 } INSN_OP_CLASS;
  87
  88 /* Enum declaration for eBPF load/store instruction modes.  */
  89 typedef enum insn_op_mode {
  90   OP_MODE_IMM = 0, OP_MODE_ABS = 1, OP_MODE_IND = 2, OP_MODE_MEM = 3
  91  , OP_MODE_XADD = 6
  92 } INSN_OP_MODE;
  93
  94 /* Enum declaration for eBPF load/store instruction sizes.  */
  95 typedef enum insn_op_size {
  96   OP_SIZE_W, OP_SIZE_H, OP_SIZE_B, OP_SIZE_DW
  97 } INSN_OP_SIZE;
  98
  99 /* Attributes.  */
 100
 101 /* Enum declaration for machine type selection.  */
 102 typedef enum mach_attr {
 103   MACH_BASE, MACH_BPF, MACH_XBPF, MACH_MAX
 104 } MACH_ATTR;
 105
 106 /* Enum declaration for instruction set selection.  */
 107 typedef enum isa_attr {
 108   ISA_EBPFLE, ISA_EBPFBE, ISA_XBPFLE, ISA_XBPFBE
 109  , ISA_MAX
 110 } ISA_ATTR;
 111
 112 /* Number of architecture variants.  */
 113 #define MAX_ISAS  ((int) ISA_MAX)
 114 #define MAX_MACHS ((int) MACH_MAX)
 115
 116 /* Ifield support.  */
 117
 118 /* Ifield attribute indices.  */
 119
 120 /* Enum declaration for cgen_ifld attrs.  */
 121 typedef enum cgen_ifld_attr {
 122   CGEN_IFLD_VIRTUAL, CGEN_IFLD_PCREL_ADDR, CGEN_IFLD_ABS_ADDR, CGEN_IFLD_RESERVED
 123  , CGEN_IFLD_SIGN_OPT, CGEN_IFLD_SIGNED, CGEN_IFLD_END_BOOLS, CGEN_IFLD_START_NBOOLS = 31
 124  , CGEN_IFLD_MACH, CGEN_IFLD_ISA, CGEN_IFLD_END_NBOOLS
 125 } CGEN_IFLD_ATTR;
 126
 127 /* Number of non-boolean elements in cgen_ifld_attr.  */
 128 #define CGEN_IFLD_NBOOL_ATTRS (CGEN_IFLD_END_NBOOLS - CGEN_IFLD_START_NBOOLS - 1)
 129
 130 /* cgen_ifld attribute accessor macros.  */
 131 #define CGEN_ATTR_CGEN_IFLD_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_IFLD_MACH-CGEN_IFLD_START_NBOOLS-1].nonbitset)
 132 #define CGEN_ATTR_CGEN_IFLD_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_IFLD_ISA-CGEN_IFLD_START_NBOOLS-1].bitset)
 133 #define CGEN_ATTR_CGEN_IFLD_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_VIRTUAL)) != 0)
 134 #define CGEN_ATTR_CGEN_IFLD_PCREL_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_PCREL_ADDR)) != 0)
 135 #define CGEN_ATTR_CGEN_IFLD_ABS_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_ABS_ADDR)) != 0)
 136 #define CGEN_ATTR_CGEN_IFLD_RESERVED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_RESERVED)) != 0)
 137 #define CGEN_ATTR_CGEN_IFLD_SIGN_OPT_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_SIGN_OPT)) != 0)
 138 #define CGEN_ATTR_CGEN_IFLD_SIGNED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_SIGNED)) != 0)
 139
 140 /* Enum declaration for bpf ifield types.  */
 141 typedef enum ifield_type {
 142   BPF_F_NIL, BPF_F_ANYOF, BPF_F_OP_CODE, BPF_F_OP_SRC
 143  , BPF_F_OP_CLASS, BPF_F_OP_MODE, BPF_F_OP_SIZE, BPF_F_DSTLE
 144  , BPF_F_SRCLE, BPF_F_DSTBE, BPF_F_SRCBE, BPF_F_REGS
 145  , BPF_F_OFFSET16, BPF_F_IMM32, BPF_F_IMM64_A, BPF_F_IMM64_B
 146  , BPF_F_IMM64_C, BPF_F_IMM64, BPF_F_MAX
 147 } IFIELD_TYPE;
 148
 149 #define MAX_IFLD ((int) BPF_F_MAX)
 150
 151 /* Hardware attribute indices.  */
 152
 153 /* Enum declaration for cgen_hw attrs.  */
 154 typedef enum cgen_hw_attr {
 155   CGEN_HW_VIRTUAL, CGEN_HW_CACHE_ADDR, CGEN_HW_PC, CGEN_HW_PROFILE
 156  , CGEN_HW_END_BOOLS, CGEN_HW_START_NBOOLS = 31, CGEN_HW_MACH, CGEN_HW_ISA
 157  , CGEN_HW_END_NBOOLS
 158 } CGEN_HW_ATTR;
 159
 160 /* Number of non-boolean elements in cgen_hw_attr.  */
 161 #define CGEN_HW_NBOOL_ATTRS (CGEN_HW_END_NBOOLS - CGEN_HW_START_NBOOLS - 1)
 162
 163 /* cgen_hw attribute accessor macros.  */
 164 #define CGEN_ATTR_CGEN_HW_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_HW_MACH-CGEN_HW_START_NBOOLS-1].nonbitset)
 165 #define CGEN_ATTR_CGEN_HW_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_HW_ISA-CGEN_HW_START_NBOOLS-1].bitset)
 166 #define CGEN_ATTR_CGEN_HW_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_VIRTUAL)) != 0)
 167 #define CGEN_ATTR_CGEN_HW_CACHE_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_CACHE_ADDR)) != 0)
 168 #define CGEN_ATTR_CGEN_HW_PC_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_PC)) != 0)
 169 #define CGEN_ATTR_CGEN_HW_PROFILE_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_PROFILE)) != 0)
 170
 171 /* Enum declaration for bpf hardware types.  */
 172 typedef enum cgen_hw_type {
 173   HW_H_MEMORY, HW_H_SINT, HW_H_UINT, HW_H_ADDR
 174  , HW_H_IADDR, HW_H_GPR, HW_H_PC, HW_H_SINT64
 175  , HW_MAX
 176 } CGEN_HW_TYPE;
 177
 178 #define MAX_HW ((int) HW_MAX)
 179
 180 /* Operand attribute indices.  */
 181
 182 /* Enum declaration for cgen_operand attrs.  */
 183 typedef enum cgen_operand_attr {
 184   CGEN_OPERAND_VIRTUAL, CGEN_OPERAND_PCREL_ADDR, CGEN_OPERAND_ABS_ADDR, CGEN_OPERAND_SIGN_OPT
 185  , CGEN_OPERAND_SIGNED, CGEN_OPERAND_NEGATIVE, CGEN_OPERAND_RELAX, CGEN_OPERAND_SEM_ONLY
 186  , CGEN_OPERAND_END_BOOLS, CGEN_OPERAND_START_NBOOLS = 31, CGEN_OPERAND_MACH, CGEN_OPERAND_ISA
 187  , CGEN_OPERAND_END_NBOOLS
 188 } CGEN_OPERAND_ATTR;
 189
 190 /* Number of non-boolean elements in cgen_operand_attr.  */
 191 #define CGEN_OPERAND_NBOOL_ATTRS (CGEN_OPERAND_END_NBOOLS - CGEN_OPERAND_START_NBOOLS - 1)
 192
 193 /* cgen_operand attribute accessor macros.  */
 194 #define CGEN_ATTR_CGEN_OPERAND_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_OPERAND_MACH-CGEN_OPERAND_START_NBOOLS-1].nonbitset)
 195 #define CGEN_ATTR_CGEN_OPERAND_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_OPERAND_ISA-CGEN_OPERAND_START_NBOOLS-1].bitset)
 196 #define CGEN_ATTR_CGEN_OPERAND_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_VIRTUAL)) != 0)
 197 #define CGEN_ATTR_CGEN_OPERAND_PCREL_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_PCREL_ADDR)) != 0)
 198 #define CGEN_ATTR_CGEN_OPERAND_ABS_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_ABS_ADDR)) != 0)
 199 #define CGEN_ATTR_CGEN_OPERAND_SIGN_OPT_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_SIGN_OPT)) != 0)
 200 #define CGEN_ATTR_CGEN_OPERAND_SIGNED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_SIGNED)) != 0)
 201 #define CGEN_ATTR_CGEN_OPERAND_NEGATIVE_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_NEGATIVE)) != 0)
 202 #define CGEN_ATTR_CGEN_OPERAND_RELAX_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_RELAX)) != 0)
 203 #define CGEN_ATTR_CGEN_OPERAND_SEM_ONLY_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_SEM_ONLY)) != 0)
 204
 205 /* Enum declaration for bpf operand types.  */
 206 typedef enum cgen_operand_type {
 207   BPF_OPERAND_PC, BPF_OPERAND_DSTLE, BPF_OPERAND_SRCLE, BPF_OPERAND_DSTBE
 208  , BPF_OPERAND_SRCBE, BPF_OPERAND_DISP16, BPF_OPERAND_DISP32, BPF_OPERAND_IMM32
 209  , BPF_OPERAND_OFFSET16, BPF_OPERAND_IMM64, BPF_OPERAND_ENDSIZE, BPF_OPERAND_MAX
 210 } CGEN_OPERAND_TYPE;
 211
 212 /* Number of operands types.  */
 213 #define MAX_OPERANDS 11
 214
 215 /* Maximum number of operands referenced by any insn.  */
 216 #define MAX_OPERAND_INSTANCES 8
 217
 218 /* Insn attribute indices.  */
 219
 220 /* Enum declaration for cgen_insn attrs.  */
 221 typedef enum cgen_insn_attr {
 222   CGEN_INSN_ALIAS, CGEN_INSN_VIRTUAL, CGEN_INSN_UNCOND_CTI, CGEN_INSN_COND_CTI
 223  , CGEN_INSN_SKIP_CTI, CGEN_INSN_DELAY_SLOT, CGEN_INSN_RELAXABLE, CGEN_INSN_RELAXED
 224  , CGEN_INSN_NO_DIS, CGEN_INSN_PBB, CGEN_INSN_END_BOOLS, CGEN_INSN_START_NBOOLS = 31
 225  , CGEN_INSN_MACH, CGEN_INSN_ISA, CGEN_INSN_END_NBOOLS
 226 } CGEN_INSN_ATTR;
 227
 228 /* Number of non-boolean elements in cgen_insn_attr.  */
 229 #define CGEN_INSN_NBOOL_ATTRS (CGEN_INSN_END_NBOOLS - CGEN_INSN_START_NBOOLS - 1)
 230
 231 /* cgen_insn attribute accessor macros.  */
 232 #define CGEN_ATTR_CGEN_INSN_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_INSN_MACH-CGEN_INSN_START_NBOOLS-1].nonbitset)
 233 #define CGEN_ATTR_CGEN_INSN_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_INSN_ISA-CGEN_INSN_START_NBOOLS-1].bitset)
 234 #define CGEN_ATTR_CGEN_INSN_ALIAS_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_ALIAS)) != 0)
 235 #define CGEN_ATTR_CGEN_INSN_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_VIRTUAL)) != 0)
 236 #define CGEN_ATTR_CGEN_INSN_UNCOND_CTI_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_UNCOND_CTI)) != 0)
 237 #define CGEN_ATTR_CGEN_INSN_COND_CTI_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_COND_CTI)) != 0)
 238 #define CGEN_ATTR_CGEN_INSN_SKIP_CTI_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_SKIP_CTI)) != 0)
 239 #define CGEN_ATTR_CGEN_INSN_DELAY_SLOT_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_DELAY_SLOT)) != 0)
 240 #define CGEN_ATTR_CGEN_INSN_RELAXABLE_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_RELAXABLE)) != 0)
 241 #define CGEN_ATTR_CGEN_INSN_RELAXED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_RELAXED)) != 0)
 242 #define CGEN_ATTR_CGEN_INSN_NO_DIS_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_NO_DIS)) != 0)
 243 #define CGEN_ATTR_CGEN_INSN_PBB_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_PBB)) != 0)
 244
 245 /* cgen.h uses things we just defined.  */
 246 #include "opcode/cgen.h"
 247
 248 extern const struct cgen_ifld bpf_cgen_ifld_table[];
 249
 250 /* Attributes.  */
 251 extern const CGEN_ATTR_TABLE bpf_cgen_hardware_attr_table[];
 252 extern const CGEN_ATTR_TABLE bpf_cgen_ifield_attr_table[];
 253 extern const CGEN_ATTR_TABLE bpf_cgen_operand_attr_table[];
 254 extern const CGEN_ATTR_TABLE bpf_cgen_insn_attr_table[];
 255
 256 /* Hardware decls.  */
 257
 258 extern CGEN_KEYWORD bpf_cgen_opval_h_gpr;
 259
 260 extern const CGEN_HW_ENTRY bpf_cgen_hw_table[];
 261
 262
 263
 264    #ifdef __cplusplus
 265    }
 266    #endif
 267
 268 #endif /* BPF_CPU_H */