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