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) 1996-2020 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_JA = 0, OP_CODE_JEQ = 1
  71  , OP_CODE_JGT = 2, OP_CODE_JGE = 3, OP_CODE_JSET = 4, OP_CODE_JNE = 5
  72  , OP_CODE_JSGT = 6, OP_CODE_JSGE = 7, OP_CODE_CALL = 8, OP_CODE_EXIT = 9
  73  , OP_CODE_JLT = 10, OP_CODE_JLE = 11, OP_CODE_JSLT = 12, OP_CODE_JSLE = 13
  74 } INSN_OP_CODE_ALU;
  75
  76 /* Enum declaration for eBPF instruction source.  */
  77 typedef enum insn_op_src {
  78   OP_SRC_K, OP_SRC_X
  79 } INSN_OP_SRC;
  80
  81 /* Enum declaration for eBPF instruction class.  */
  82 typedef enum insn_op_class {
  83   OP_CLASS_LD, OP_CLASS_LDX, OP_CLASS_ST, OP_CLASS_STX
  84  , OP_CLASS_ALU, OP_CLASS_JMP, OP_CLASS_JMP32, OP_CLASS_ALU64
  85 } INSN_OP_CLASS;
  86
  87 /* Enum declaration for eBPF load/store instruction modes.  */
  88 typedef enum insn_op_mode {
  89   OP_MODE_IMM = 0, OP_MODE_ABS = 1, OP_MODE_IND = 2, OP_MODE_MEM = 3
  90  , OP_MODE_XADD = 6
  91 } INSN_OP_MODE;
  92
  93 /* Enum declaration for eBPF load/store instruction sizes.  */
  94 typedef enum insn_op_size {
  95   OP_SIZE_W, OP_SIZE_H, OP_SIZE_B, OP_SIZE_DW
  96 } INSN_OP_SIZE;
  97
  98 /* Attributes.  */
  99
 100 /* Enum declaration for machine type selection.  */
 101 typedef enum mach_attr {
 102   MACH_BASE, MACH_BPF, MACH_XBPF, MACH_MAX
 103 } MACH_ATTR;
 104
 105 /* Enum declaration for instruction set selection.  */
 106 typedef enum isa_attr {
 107   ISA_EBPFLE, ISA_EBPFBE, ISA_XBPFLE, ISA_XBPFBE
 108  , ISA_MAX
 109 } ISA_ATTR;
 110
 111 /* Number of architecture variants.  */
 112 #define MAX_ISAS  ((int) ISA_MAX)
 113 #define MAX_MACHS ((int) MACH_MAX)
 114
 115 /* Ifield support.  */
 116
 117 /* Ifield attribute indices.  */
 118
 119 /* Enum declaration for cgen_ifld attrs.  */
 120 typedef enum cgen_ifld_attr {
 121   CGEN_IFLD_VIRTUAL, CGEN_IFLD_PCREL_ADDR, CGEN_IFLD_ABS_ADDR, CGEN_IFLD_RESERVED
 122  , CGEN_IFLD_SIGN_OPT, CGEN_IFLD_SIGNED, CGEN_IFLD_END_BOOLS, CGEN_IFLD_START_NBOOLS = 31
 123  , CGEN_IFLD_MACH, CGEN_IFLD_ISA, CGEN_IFLD_END_NBOOLS
 124 } CGEN_IFLD_ATTR;
 125
 126 /* Number of non-boolean elements in cgen_ifld_attr.  */
 127 #define CGEN_IFLD_NBOOL_ATTRS (CGEN_IFLD_END_NBOOLS - CGEN_IFLD_START_NBOOLS - 1)
 128
 129 /* cgen_ifld attribute accessor macros.  */
 130 #define CGEN_ATTR_CGEN_IFLD_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_IFLD_MACH-CGEN_IFLD_START_NBOOLS-1].nonbitset)
 131 #define CGEN_ATTR_CGEN_IFLD_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_IFLD_ISA-CGEN_IFLD_START_NBOOLS-1].bitset)
 132 #define CGEN_ATTR_CGEN_IFLD_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_VIRTUAL)) != 0)
 133 #define CGEN_ATTR_CGEN_IFLD_PCREL_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_PCREL_ADDR)) != 0)
 134 #define CGEN_ATTR_CGEN_IFLD_ABS_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_ABS_ADDR)) != 0)
 135 #define CGEN_ATTR_CGEN_IFLD_RESERVED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_RESERVED)) != 0)
 136 #define CGEN_ATTR_CGEN_IFLD_SIGN_OPT_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_SIGN_OPT)) != 0)
 137 #define CGEN_ATTR_CGEN_IFLD_SIGNED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_IFLD_SIGNED)) != 0)
 138
 139 /* Enum declaration for bpf ifield types.  */
 140 typedef enum ifield_type {
 141   BPF_F_NIL, BPF_F_ANYOF, BPF_F_OP_CODE, BPF_F_OP_SRC
 142  , BPF_F_OP_CLASS, BPF_F_OP_MODE, BPF_F_OP_SIZE, BPF_F_DSTLE
 143  , BPF_F_SRCLE, BPF_F_DSTBE, BPF_F_SRCBE, BPF_F_REGS
 144  , BPF_F_OFFSET16, BPF_F_IMM32, BPF_F_IMM64_A, BPF_F_IMM64_B
 145  , BPF_F_IMM64_C, BPF_F_IMM64, BPF_F_MAX
 146 } IFIELD_TYPE;
 147
 148 #define MAX_IFLD ((int) BPF_F_MAX)
 149
 150 /* Hardware attribute indices.  */
 151
 152 /* Enum declaration for cgen_hw attrs.  */
 153 typedef enum cgen_hw_attr {
 154   CGEN_HW_VIRTUAL, CGEN_HW_CACHE_ADDR, CGEN_HW_PC, CGEN_HW_PROFILE
 155  , CGEN_HW_END_BOOLS, CGEN_HW_START_NBOOLS = 31, CGEN_HW_MACH, CGEN_HW_ISA
 156  , CGEN_HW_END_NBOOLS
 157 } CGEN_HW_ATTR;
 158
 159 /* Number of non-boolean elements in cgen_hw_attr.  */
 160 #define CGEN_HW_NBOOL_ATTRS (CGEN_HW_END_NBOOLS - CGEN_HW_START_NBOOLS - 1)
 161
 162 /* cgen_hw attribute accessor macros.  */
 163 #define CGEN_ATTR_CGEN_HW_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_HW_MACH-CGEN_HW_START_NBOOLS-1].nonbitset)
 164 #define CGEN_ATTR_CGEN_HW_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_HW_ISA-CGEN_HW_START_NBOOLS-1].bitset)
 165 #define CGEN_ATTR_CGEN_HW_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_VIRTUAL)) != 0)
 166 #define CGEN_ATTR_CGEN_HW_CACHE_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_CACHE_ADDR)) != 0)
 167 #define CGEN_ATTR_CGEN_HW_PC_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_PC)) != 0)
 168 #define CGEN_ATTR_CGEN_HW_PROFILE_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_HW_PROFILE)) != 0)
 169
 170 /* Enum declaration for bpf hardware types.  */
 171 typedef enum cgen_hw_type {
 172   HW_H_MEMORY, HW_H_SINT, HW_H_UINT, HW_H_ADDR
 173  , HW_H_IADDR, HW_H_GPR, HW_H_PC, HW_H_SINT64
 174  , HW_MAX
 175 } CGEN_HW_TYPE;
 176
 177 #define MAX_HW ((int) HW_MAX)
 178
 179 /* Operand attribute indices.  */
 180
 181 /* Enum declaration for cgen_operand attrs.  */
 182 typedef enum cgen_operand_attr {
 183   CGEN_OPERAND_VIRTUAL, CGEN_OPERAND_PCREL_ADDR, CGEN_OPERAND_ABS_ADDR, CGEN_OPERAND_SIGN_OPT
 184  , CGEN_OPERAND_SIGNED, CGEN_OPERAND_NEGATIVE, CGEN_OPERAND_RELAX, CGEN_OPERAND_SEM_ONLY
 185  , CGEN_OPERAND_END_BOOLS, CGEN_OPERAND_START_NBOOLS = 31, CGEN_OPERAND_MACH, CGEN_OPERAND_ISA
 186  , CGEN_OPERAND_END_NBOOLS
 187 } CGEN_OPERAND_ATTR;
 188
 189 /* Number of non-boolean elements in cgen_operand_attr.  */
 190 #define CGEN_OPERAND_NBOOL_ATTRS (CGEN_OPERAND_END_NBOOLS - CGEN_OPERAND_START_NBOOLS - 1)
 191
 192 /* cgen_operand attribute accessor macros.  */
 193 #define CGEN_ATTR_CGEN_OPERAND_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_OPERAND_MACH-CGEN_OPERAND_START_NBOOLS-1].nonbitset)
 194 #define CGEN_ATTR_CGEN_OPERAND_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_OPERAND_ISA-CGEN_OPERAND_START_NBOOLS-1].bitset)
 195 #define CGEN_ATTR_CGEN_OPERAND_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_VIRTUAL)) != 0)
 196 #define CGEN_ATTR_CGEN_OPERAND_PCREL_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_PCREL_ADDR)) != 0)
 197 #define CGEN_ATTR_CGEN_OPERAND_ABS_ADDR_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_ABS_ADDR)) != 0)
 198 #define CGEN_ATTR_CGEN_OPERAND_SIGN_OPT_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_SIGN_OPT)) != 0)
 199 #define CGEN_ATTR_CGEN_OPERAND_SIGNED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_SIGNED)) != 0)
 200 #define CGEN_ATTR_CGEN_OPERAND_NEGATIVE_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_NEGATIVE)) != 0)
 201 #define CGEN_ATTR_CGEN_OPERAND_RELAX_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_RELAX)) != 0)
 202 #define CGEN_ATTR_CGEN_OPERAND_SEM_ONLY_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_OPERAND_SEM_ONLY)) != 0)
 203
 204 /* Enum declaration for bpf operand types.  */
 205 typedef enum cgen_operand_type {
 206   BPF_OPERAND_PC, BPF_OPERAND_DSTLE, BPF_OPERAND_SRCLE, BPF_OPERAND_DSTBE
 207  , BPF_OPERAND_SRCBE, BPF_OPERAND_DISP16, BPF_OPERAND_DISP32, BPF_OPERAND_IMM32
 208  , BPF_OPERAND_OFFSET16, BPF_OPERAND_IMM64, BPF_OPERAND_ENDSIZE, BPF_OPERAND_MAX
 209 } CGEN_OPERAND_TYPE;
 210
 211 /* Number of operands types.  */
 212 #define MAX_OPERANDS 11
 213
 214 /* Maximum number of operands referenced by any insn.  */
 215 #define MAX_OPERAND_INSTANCES 8
 216
 217 /* Insn attribute indices.  */
 218
 219 /* Enum declaration for cgen_insn attrs.  */
 220 typedef enum cgen_insn_attr {
 221   CGEN_INSN_ALIAS, CGEN_INSN_VIRTUAL, CGEN_INSN_UNCOND_CTI, CGEN_INSN_COND_CTI
 222  , CGEN_INSN_SKIP_CTI, CGEN_INSN_DELAY_SLOT, CGEN_INSN_RELAXABLE, CGEN_INSN_RELAXED
 223  , CGEN_INSN_NO_DIS, CGEN_INSN_PBB, CGEN_INSN_END_BOOLS, CGEN_INSN_START_NBOOLS = 31
 224  , CGEN_INSN_MACH, CGEN_INSN_ISA, CGEN_INSN_END_NBOOLS
 225 } CGEN_INSN_ATTR;
 226
 227 /* Number of non-boolean elements in cgen_insn_attr.  */
 228 #define CGEN_INSN_NBOOL_ATTRS (CGEN_INSN_END_NBOOLS - CGEN_INSN_START_NBOOLS - 1)
 229
 230 /* cgen_insn attribute accessor macros.  */
 231 #define CGEN_ATTR_CGEN_INSN_MACH_VALUE(attrs) ((attrs)->nonbool[CGEN_INSN_MACH-CGEN_INSN_START_NBOOLS-1].nonbitset)
 232 #define CGEN_ATTR_CGEN_INSN_ISA_VALUE(attrs) ((attrs)->nonbool[CGEN_INSN_ISA-CGEN_INSN_START_NBOOLS-1].bitset)
 233 #define CGEN_ATTR_CGEN_INSN_ALIAS_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_ALIAS)) != 0)
 234 #define CGEN_ATTR_CGEN_INSN_VIRTUAL_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_VIRTUAL)) != 0)
 235 #define CGEN_ATTR_CGEN_INSN_UNCOND_CTI_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_UNCOND_CTI)) != 0)
 236 #define CGEN_ATTR_CGEN_INSN_COND_CTI_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_COND_CTI)) != 0)
 237 #define CGEN_ATTR_CGEN_INSN_SKIP_CTI_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_SKIP_CTI)) != 0)
 238 #define CGEN_ATTR_CGEN_INSN_DELAY_SLOT_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_DELAY_SLOT)) != 0)
 239 #define CGEN_ATTR_CGEN_INSN_RELAXABLE_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_RELAXABLE)) != 0)
 240 #define CGEN_ATTR_CGEN_INSN_RELAXED_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_RELAXED)) != 0)
 241 #define CGEN_ATTR_CGEN_INSN_NO_DIS_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_NO_DIS)) != 0)
 242 #define CGEN_ATTR_CGEN_INSN_PBB_VALUE(attrs) (((attrs)->bool_ & (1 << CGEN_INSN_PBB)) != 0)
 243
 244 /* cgen.h uses things we just defined.  */
 245 #include "opcode/cgen.h"
 246
 247 extern const struct cgen_ifld bpf_cgen_ifld_table[];
 248
 249 /* Attributes.  */
 250 extern const CGEN_ATTR_TABLE bpf_cgen_hardware_attr_table[];
 251 extern const CGEN_ATTR_TABLE bpf_cgen_ifield_attr_table[];
 252 extern const CGEN_ATTR_TABLE bpf_cgen_operand_attr_table[];
 253 extern const CGEN_ATTR_TABLE bpf_cgen_insn_attr_table[];
 254
 255 /* Hardware decls.  */
 256
 257 extern CGEN_KEYWORD bpf_cgen_opval_h_gpr;
 258
 259 extern const CGEN_HW_ENTRY bpf_cgen_hw_table[];
 260
 261
 262
 263    #ifdef __cplusplus
 264    }
 265    #endif
 266
 267 #endif /* BPF_CPU_H */