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+/* ppc.h -- Header file for PowerPC opcode table
+ Copyright (C) 1994-2016 Free Software Foundation, Inc.
+ Written by Ian Lance Taylor, Cygnus Support
+
+This file is part of GDB, GAS, and the GNU binutils.
+
+GDB, GAS, and the GNU binutils are free software; you can redistribute
+them and/or modify them under the terms of the GNU General Public
+License as published by the Free Software Foundation; either version
+1, or (at your option) any later version.
+
+GDB, GAS, and the GNU binutils are distributed in the hope that they
+will be useful, but WITHOUT ANY WARRANTY; without even the implied
+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this file; see the file COPYING. If not, write to the Free
+Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef PPC_H
+#define PPC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef uint64_t ppc_cpu_t;
+
+/* The opcode table is an array of struct powerpc_opcode. */
+
+struct powerpc_opcode
+{
+ /* The opcode name. */
+ const char *name;
+
+ /* The opcode itself. Those bits which will be filled in with
+ operands are zeroes. */
+ unsigned long opcode;
+
+ /* The opcode mask. This is used by the disassembler. This is a
+ mask containing ones indicating those bits which must match the
+ opcode field, and zeroes indicating those bits which need not
+ match (and are presumably filled in by operands). */
+ unsigned long mask;
+
+ /* One bit flags for the opcode. These are used to indicate which
+ specific processors support the instructions. The defined values
+ are listed below. */
+ ppc_cpu_t flags;
+
+ /* One bit flags for the opcode. These are used to indicate which
+ specific processors no longer support the instructions. The defined
+ values are listed below. */
+ ppc_cpu_t deprecated;
+
+ /* An array of operand codes. Each code is an index into the
+ operand table. They appear in the order which the operands must
+ appear in assembly code, and are terminated by a zero. */
+ unsigned char operands[8];
+};
+
+/* The table itself is sorted by major opcode number, and is otherwise
+ in the order in which the disassembler should consider
+ instructions. */
+extern const struct powerpc_opcode powerpc_opcodes[];
+extern const int powerpc_num_opcodes;
+extern const struct powerpc_opcode vle_opcodes[];
+extern const int vle_num_opcodes;
+
+/* Values defined for the flags field of a struct powerpc_opcode. */
+
+/* Opcode is defined for the PowerPC architecture. */
+#define PPC_OPCODE_PPC 1
+
+/* Opcode is defined for the POWER (RS/6000) architecture. */
+#define PPC_OPCODE_POWER 2
+
+/* Opcode is defined for the POWER2 (Rios 2) architecture. */
+#define PPC_OPCODE_POWER2 4
+
+/* Opcode is supported by the Motorola PowerPC 601 processor. The 601
+ is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions,
+ but it also supports many additional POWER instructions. */
+#define PPC_OPCODE_601 8
+
+/* Opcode is supported in both the Power and PowerPC architectures
+ (ie, compiler's -mcpu=common or assembler's -mcom). More than just
+ the intersection of PPC_OPCODE_PPC with the union of PPC_OPCODE_POWER
+ and PPC_OPCODE_POWER2 because many instructions changed mnemonics
+ between POWER and POWERPC. */
+#define PPC_OPCODE_COMMON 0x10
+
+/* Opcode is supported for any Power or PowerPC platform (this is
+ for the assembler's -many option, and it eliminates duplicates). */
+#define PPC_OPCODE_ANY 0x20
+
+/* Opcode is only defined on 64 bit architectures. */
+#define PPC_OPCODE_64 0x40
+
+/* Opcode is supported as part of the 64-bit bridge. */
+#define PPC_OPCODE_64_BRIDGE 0x80
+
+/* Opcode is supported by Altivec Vector Unit */
+#define PPC_OPCODE_ALTIVEC 0x100
+
+/* Opcode is supported by PowerPC 403 processor. */
+#define PPC_OPCODE_403 0x200
+
+/* Opcode is supported by PowerPC BookE processor. */
+#define PPC_OPCODE_BOOKE 0x400
+
+/* Opcode is supported by PowerPC 440 processor. */
+#define PPC_OPCODE_440 0x800
+
+/* Opcode is only supported by Power4 architecture. */
+#define PPC_OPCODE_POWER4 0x1000
+
+/* Opcode is only supported by Power7 architecture. */
+#define PPC_OPCODE_POWER7 0x2000
+
+/* Opcode is only supported by e500x2 Core. */
+#define PPC_OPCODE_SPE 0x4000
+
+/* Opcode is supported by e500x2 Integer select APU. */
+#define PPC_OPCODE_ISEL 0x8000
+
+/* Opcode is an e500 SPE floating point instruction. */
+#define PPC_OPCODE_EFS 0x10000
+
+/* Opcode is supported by branch locking APU. */
+#define PPC_OPCODE_BRLOCK 0x20000
+
+/* Opcode is supported by performance monitor APU. */
+#define PPC_OPCODE_PMR 0x40000
+
+/* Opcode is supported by cache locking APU. */
+#define PPC_OPCODE_CACHELCK 0x80000
+
+/* Opcode is supported by machine check APU. */
+#define PPC_OPCODE_RFMCI 0x100000
+
+/* Opcode is only supported by Power5 architecture. */
+#define PPC_OPCODE_POWER5 0x200000
+
+/* Opcode is supported by PowerPC e300 family. */
+#define PPC_OPCODE_E300 0x400000
+
+/* Opcode is only supported by Power6 architecture. */
+#define PPC_OPCODE_POWER6 0x800000
+
+/* Opcode is only supported by PowerPC Cell family. */
+#define PPC_OPCODE_CELL 0x1000000
+
+/* Opcode is supported by CPUs with paired singles support. */
+#define PPC_OPCODE_PPCPS 0x2000000
+
+/* Opcode is supported by Power E500MC */
+#define PPC_OPCODE_E500MC 0x4000000
+
+/* Opcode is supported by PowerPC 405 processor. */
+#define PPC_OPCODE_405 0x8000000
+
+/* Opcode is supported by Vector-Scalar (VSX) Unit */
+#define PPC_OPCODE_VSX 0x10000000
+
+/* Opcode is supported by A2. */
+#define PPC_OPCODE_A2 0x20000000
+
+/* Opcode is supported by PowerPC 476 processor. */
+#define PPC_OPCODE_476 0x40000000
+
+/* Opcode is supported by AppliedMicro Titan core */
+#define PPC_OPCODE_TITAN 0x80000000
+
+/* Opcode which is supported by the e500 family */
+#define PPC_OPCODE_E500 0x100000000ull
+
+/* Opcode is supported by Extended Altivec Vector Unit */
+#define PPC_OPCODE_ALTIVEC2 0x200000000ull
+
+/* Opcode is supported by Power E6500 */
+#define PPC_OPCODE_E6500 0x400000000ull
+
+/* Opcode is supported by Thread management APU */
+#define PPC_OPCODE_TMR 0x800000000ull
+
+/* Opcode which is supported by the VLE extension. */
+#define PPC_OPCODE_VLE 0x1000000000ull
+
+/* Opcode is only supported by Power8 architecture. */
+#define PPC_OPCODE_POWER8 0x2000000000ull
+
+/* Opcode which is supported by the Hardware Transactional Memory extension. */
+/* Currently, this is the same as the POWER8 mask. If another cpu comes out
+ that isn't a superset of POWER8, we can define this to its own mask. */
+#define PPC_OPCODE_HTM PPC_OPCODE_POWER8
+
+/* Opcode is supported by ppc750cl. */
+#define PPC_OPCODE_750 0x4000000000ull
+
+/* Opcode is supported by ppc7450. */
+#define PPC_OPCODE_7450 0x8000000000ull
+
+/* Opcode is supported by ppc821/850/860. */
+#define PPC_OPCODE_860 0x10000000000ull
+
+/* Opcode is only supported by Power9 architecture. */
+#define PPC_OPCODE_POWER9 0x20000000000ull
+
+/* Opcode is supported by Vector-Scalar (VSX) Unit from ISA 2.08. */
+#define PPC_OPCODE_VSX3 0x40000000000ull
+
+ /* Opcode is supported by e200z4. */
+#define PPC_OPCODE_E200Z4 0x80000000000ull
+
+/* A macro to extract the major opcode from an instruction. */
+#define PPC_OP(i) (((i) >> 26) & 0x3f)
+
+/* A macro to determine if the instruction is a 2-byte VLE insn. */
+#define PPC_OP_SE_VLE(m) ((m) <= 0xffff)
+
+/* A macro to extract the major opcode from a VLE instruction. */
+#define VLE_OP(i,m) (((i) >> ((m) <= 0xffff ? 10 : 26)) & 0x3f)
+
+/* A macro to convert a VLE opcode to a VLE opcode segment. */
+#define VLE_OP_TO_SEG(i) ((i) >> 1)
+
+/* The operands table is an array of struct powerpc_operand. */
+
+struct powerpc_operand
+{
+ /* A bitmask of bits in the operand. */
+ unsigned int bitm;
+
+ /* The shift operation to be applied to the operand. No shift
+ is made if this is zero. For positive values, the operand
+ is shifted left by SHIFT. For negative values, the operand
+ is shifted right by -SHIFT. Use PPC_OPSHIFT_INV to indicate
+ that BITM and SHIFT cannot be used to determine where the
+ operand goes in the insn. */
+ int shift;
+
+ /* Insertion function. This is used by the assembler. To insert an
+ operand value into an instruction, check this field.
+
+ If it is NULL, execute
+ if (o->shift >= 0)
+ i |= (op & o->bitm) << o->shift;
+ else
+ i |= (op & o->bitm) >> -o->shift;
+ (i is the instruction which we are filling in, o is a pointer to
+ this structure, and op is the operand value).
+
+ If this field is not NULL, then simply call it with the
+ instruction and the operand value. It will return the new value
+ of the instruction. If the ERRMSG argument is not NULL, then if
+ the operand value is illegal, *ERRMSG will be set to a warning
+ string (the operand will be inserted in any case). If the
+ operand value is legal, *ERRMSG will be unchanged (most operands
+ can accept any value). */
+ unsigned long (*insert)
+ (unsigned long instruction, long op, ppc_cpu_t dialect, const char **errmsg);
+
+ /* Extraction function. This is used by the disassembler. To
+ extract this operand type from an instruction, check this field.
+
+ If it is NULL, compute
+ if (o->shift >= 0)
+ op = (i >> o->shift) & o->bitm;
+ else
+ op = (i << -o->shift) & o->bitm;
+ if ((o->flags & PPC_OPERAND_SIGNED) != 0)
+ sign_extend (op);
+ (i is the instruction, o is a pointer to this structure, and op
+ is the result).
+
+ If this field is not NULL, then simply call it with the
+ instruction value. It will return the value of the operand. If
+ the INVALID argument is not NULL, *INVALID will be set to
+ non-zero if this operand type can not actually be extracted from
+ this operand (i.e., the instruction does not match). If the
+ operand is valid, *INVALID will not be changed. */
+ long (*extract) (unsigned long instruction, ppc_cpu_t dialect, int *invalid);
+
+ /* One bit syntax flags. */
+ unsigned long flags;
+};
+
+/* Elements in the table are retrieved by indexing with values from
+ the operands field of the powerpc_opcodes table. */
+
+extern const struct powerpc_operand powerpc_operands[];
+extern const unsigned int num_powerpc_operands;
+
+/* Use with the shift field of a struct powerpc_operand to indicate
+ that BITM and SHIFT cannot be used to determine where the operand
+ goes in the insn. */
+#define PPC_OPSHIFT_INV (-1U << 31)
+
+/* Values defined for the flags field of a struct powerpc_operand. */
+
+/* This operand takes signed values. */
+#define PPC_OPERAND_SIGNED (0x1)
+
+/* This operand takes signed values, but also accepts a full positive
+ range of values when running in 32 bit mode. That is, if bits is
+ 16, it takes any value from -0x8000 to 0xffff. In 64 bit mode,
+ this flag is ignored. */
+#define PPC_OPERAND_SIGNOPT (0x2)
+
+/* This operand does not actually exist in the assembler input. This
+ is used to support extended mnemonics such as mr, for which two
+ operands fields are identical. The assembler should call the
+ insert function with any op value. The disassembler should call
+ the extract function, ignore the return value, and check the value
+ placed in the valid argument. */
+#define PPC_OPERAND_FAKE (0x4)
+
+/* The next operand should be wrapped in parentheses rather than
+ separated from this one by a comma. This is used for the load and
+ store instructions which want their operands to look like
+ reg,displacement(reg)
+ */
+#define PPC_OPERAND_PARENS (0x8)
+
+/* This operand may use the symbolic names for the CR fields, which
+ are
+ lt 0 gt 1 eq 2 so 3 un 3
+ cr0 0 cr1 1 cr2 2 cr3 3
+ cr4 4 cr5 5 cr6 6 cr7 7
+ These may be combined arithmetically, as in cr2*4+gt. These are
+ only supported on the PowerPC, not the POWER. */
+#define PPC_OPERAND_CR_BIT (0x10)
+
+/* This operand names a register. The disassembler uses this to print
+ register names with a leading 'r'. */
+#define PPC_OPERAND_GPR (0x20)
+
+/* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0. */
+#define PPC_OPERAND_GPR_0 (0x40)
+
+/* This operand names a floating point register. The disassembler
+ prints these with a leading 'f'. */
+#define PPC_OPERAND_FPR (0x80)
+
+/* This operand is a relative branch displacement. The disassembler
+ prints these symbolically if possible. */
+#define PPC_OPERAND_RELATIVE (0x100)
+
+/* This operand is an absolute branch address. The disassembler
+ prints these symbolically if possible. */
+#define PPC_OPERAND_ABSOLUTE (0x200)
+
+/* This operand is optional, and is zero if omitted. This is used for
+ example, in the optional BF field in the comparison instructions. The
+ assembler must count the number of operands remaining on the line,
+ and the number of operands remaining for the opcode, and decide
+ whether this operand is present or not. The disassembler should
+ print this operand out only if it is not zero. */
+#define PPC_OPERAND_OPTIONAL (0x400)
+
+/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
+ is omitted, then for the next operand use this operand value plus
+ 1, ignoring the next operand field for the opcode. This wretched
+ hack is needed because the Power rotate instructions can take
+ either 4 or 5 operands. The disassembler should print this operand
+ out regardless of the PPC_OPERAND_OPTIONAL field. */
+#define PPC_OPERAND_NEXT (0x800)
+
+/* This operand should be regarded as a negative number for the
+ purposes of overflow checking (i.e., the normal most negative
+ number is disallowed and one more than the normal most positive
+ number is allowed). This flag will only be set for a signed
+ operand. */
+#define PPC_OPERAND_NEGATIVE (0x1000)
+
+/* This operand names a vector unit register. The disassembler
+ prints these with a leading 'v'. */
+#define PPC_OPERAND_VR (0x2000)
+
+/* This operand is for the DS field in a DS form instruction. */
+#define PPC_OPERAND_DS (0x4000)
+
+/* This operand is for the DQ field in a DQ form instruction. */
+#define PPC_OPERAND_DQ (0x8000)
+
+/* Valid range of operand is 0..n rather than 0..n-1. */
+#define PPC_OPERAND_PLUS1 (0x10000)
+
+/* Xilinx APU and FSL related operands */
+#define PPC_OPERAND_FSL (0x20000)
+#define PPC_OPERAND_FCR (0x40000)
+#define PPC_OPERAND_UDI (0x80000)
+
+/* This operand names a vector-scalar unit register. The disassembler
+ prints these with a leading 'vs'. */
+#define PPC_OPERAND_VSR (0x100000)
+
+/* This is a CR FIELD that does not use symbolic names. */
+#define PPC_OPERAND_CR_REG (0x200000)
+
+/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
+ is omitted, then the value it should use for the operand is stored
+ in the SHIFT field of the immediatly following operand field. */
+#define PPC_OPERAND_OPTIONAL_VALUE (0x400000)
+
+/* This flag is only used with PPC_OPERAND_OPTIONAL. The operand is
+ only optional when generating 32-bit code. */
+#define PPC_OPERAND_OPTIONAL32 (0x800000)
+
+/* The POWER and PowerPC assemblers use a few macros. We keep them
+ with the operands table for simplicity. The macro table is an
+ array of struct powerpc_macro. */
+
+struct powerpc_macro
+{
+ /* The macro name. */
+ const char *name;
+
+ /* The number of operands the macro takes. */
+ unsigned int operands;
+
+ /* One bit flags for the opcode. These are used to indicate which
+ specific processors support the instructions. The values are the
+ same as those for the struct powerpc_opcode flags field. */
+ ppc_cpu_t flags;
+
+ /* A format string to turn the macro into a normal instruction.
+ Each %N in the string is replaced with operand number N (zero
+ based). */
+ const char *format;
+};
+
+extern const struct powerpc_macro powerpc_macros[];
+extern const int powerpc_num_macros;
+
+static inline long
+ppc_optional_operand_value (const struct powerpc_operand *operand)
+{
+ if ((operand->flags & PPC_OPERAND_OPTIONAL_VALUE) != 0)
+ return (operand+1)->shift;
+ return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PPC_H */