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Diffstat (limited to 'include/xtensa-isa-internal.h')
| -rw-r--r-- | include/xtensa-isa-internal.h | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/include/xtensa-isa-internal.h b/include/xtensa-isa-internal.h deleted file mode 100644 index 6c727366b..000000000 --- a/include/xtensa-isa-internal.h +++ /dev/null @@ -1,234 +0,0 @@ -/* Internal definitions for configurable Xtensa ISA support. - Copyright 2003, 2004, 2005, 2008, 2010 Free Software Foundation, Inc. - - This file is part of BFD, the Binary File Descriptor library. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it 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 program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, - USA. */ - -#ifndef XTENSA_ISA_INTERNAL_H -#define XTENSA_ISA_INTERNAL_H - -/* Flags. */ - -#define XTENSA_OPERAND_IS_REGISTER 0x00000001 -#define XTENSA_OPERAND_IS_PCRELATIVE 0x00000002 -#define XTENSA_OPERAND_IS_INVISIBLE 0x00000004 -#define XTENSA_OPERAND_IS_UNKNOWN 0x00000008 - -#define XTENSA_OPCODE_IS_BRANCH 0x00000001 -#define XTENSA_OPCODE_IS_JUMP 0x00000002 -#define XTENSA_OPCODE_IS_LOOP 0x00000004 -#define XTENSA_OPCODE_IS_CALL 0x00000008 - -#define XTENSA_STATE_IS_EXPORTED 0x00000001 -#define XTENSA_STATE_IS_SHARED_OR 0x00000002 - -#define XTENSA_INTERFACE_HAS_SIDE_EFFECT 0x00000001 - -/* Function pointer typedefs */ -typedef void (*xtensa_format_encode_fn) (xtensa_insnbuf); -typedef void (*xtensa_get_slot_fn) (const xtensa_insnbuf, xtensa_insnbuf); -typedef void (*xtensa_set_slot_fn) (xtensa_insnbuf, const xtensa_insnbuf); -typedef int (*xtensa_opcode_decode_fn) (const xtensa_insnbuf); -typedef uint32 (*xtensa_get_field_fn) (const xtensa_insnbuf); -typedef void (*xtensa_set_field_fn) (xtensa_insnbuf, uint32); -typedef int (*xtensa_immed_decode_fn) (uint32 *); -typedef int (*xtensa_immed_encode_fn) (uint32 *); -typedef int (*xtensa_do_reloc_fn) (uint32 *, uint32); -typedef int (*xtensa_undo_reloc_fn) (uint32 *, uint32); -typedef void (*xtensa_opcode_encode_fn) (xtensa_insnbuf); -typedef int (*xtensa_format_decode_fn) (const xtensa_insnbuf); -typedef int (*xtensa_length_decode_fn) (const unsigned char *); - -typedef struct xtensa_format_internal_struct -{ - const char *name; /* Instruction format name. */ - int length; /* Instruction length in bytes. */ - xtensa_format_encode_fn encode_fn; - int num_slots; - int *slot_id; /* Array[num_slots] of slot IDs. */ -} xtensa_format_internal; - -typedef struct xtensa_slot_internal_struct -{ - const char *name; /* Not necessarily unique. */ - const char *format; - int position; - xtensa_get_slot_fn get_fn; - xtensa_set_slot_fn set_fn; - xtensa_get_field_fn *get_field_fns; /* Array[field_id]. */ - xtensa_set_field_fn *set_field_fns; /* Array[field_id]. */ - xtensa_opcode_decode_fn opcode_decode_fn; - const char *nop_name; -} xtensa_slot_internal; - -typedef struct xtensa_operand_internal_struct -{ - const char *name; - int field_id; - xtensa_regfile regfile; /* Register file. */ - int num_regs; /* Usually 1; 2 for reg pairs, etc. */ - uint32 flags; /* See XTENSA_OPERAND_* flags. */ - xtensa_immed_encode_fn encode; /* Encode the operand value. */ - xtensa_immed_decode_fn decode; /* Decode the value from the field. */ - xtensa_do_reloc_fn do_reloc; /* Perform a PC-relative reloc. */ - xtensa_undo_reloc_fn undo_reloc; /* Undo a PC-relative relocation. */ -} xtensa_operand_internal; - -typedef struct xtensa_arg_internal_struct -{ - union { - int operand_id; /* For normal operands. */ - xtensa_state state; /* For stateOperands. */ - } u; - char inout; /* Direction: 'i', 'o', or 'm'. */ -} xtensa_arg_internal; - -typedef struct xtensa_iclass_internal_struct -{ - int num_operands; /* Size of "operands" array. */ - xtensa_arg_internal *operands; /* Array[num_operands]. */ - - int num_stateOperands; /* Size of "stateOperands" array. */ - xtensa_arg_internal *stateOperands; /* Array[num_stateOperands]. */ - - int num_interfaceOperands; /* Size of "interfaceOperands". */ - xtensa_interface *interfaceOperands; /* Array[num_interfaceOperands]. */ -} xtensa_iclass_internal; - -typedef struct xtensa_opcode_internal_struct -{ - const char *name; /* Opcode mnemonic. */ - int iclass_id; /* Iclass for this opcode. */ - uint32 flags; /* See XTENSA_OPCODE_* flags. */ - xtensa_opcode_encode_fn *encode_fns; /* Array[slot_id]. */ - int num_funcUnit_uses; /* Number of funcUnit_use entries. */ - xtensa_funcUnit_use *funcUnit_uses; /* Array[num_funcUnit_uses]. */ -} xtensa_opcode_internal; - -typedef struct xtensa_regfile_internal_struct -{ - const char *name; /* Full name of the regfile. */ - const char *shortname; /* Abbreviated name. */ - xtensa_regfile parent; /* View parent (or identity). */ - int num_bits; /* Width of the registers. */ - int num_entries; /* Number of registers. */ -} xtensa_regfile_internal; - -typedef struct xtensa_interface_internal_struct -{ - const char *name; /* Interface name. */ - int num_bits; /* Width of the interface. */ - uint32 flags; /* See XTENSA_INTERFACE_* flags. */ - int class_id; /* Class of related interfaces. */ - char inout; /* "i" or "o". */ -} xtensa_interface_internal; - -typedef struct xtensa_funcUnit_internal_struct -{ - const char *name; /* Functional unit name. */ - int num_copies; /* Number of instances. */ -} xtensa_funcUnit_internal; - -typedef struct xtensa_state_internal_struct -{ - const char *name; /* State name. */ - int num_bits; /* Number of state bits. */ - uint32 flags; /* See XTENSA_STATE_* flags. */ -} xtensa_state_internal; - -typedef struct xtensa_sysreg_internal_struct -{ - const char *name; /* Register name. */ - int number; /* Register number. */ - int is_user; /* Non-zero if a "user register". */ -} xtensa_sysreg_internal; - -typedef struct xtensa_lookup_entry_struct -{ - const char *key; - union - { - xtensa_opcode opcode; /* Internal opcode number. */ - xtensa_sysreg sysreg; /* Internal sysreg number. */ - xtensa_state state; /* Internal state number. */ - xtensa_interface intf; /* Internal interface number. */ - xtensa_funcUnit fun; /* Internal funcUnit number. */ - } u; -} xtensa_lookup_entry; - -typedef struct xtensa_isa_internal_struct -{ - int is_big_endian; /* Endianness. */ - int insn_size; /* Maximum length in bytes. */ - int insnbuf_size; /* Number of insnbuf_words. */ - - int num_formats; - xtensa_format_internal *formats; - xtensa_format_decode_fn format_decode_fn; - xtensa_length_decode_fn length_decode_fn; - - int num_slots; - xtensa_slot_internal *slots; - - int num_fields; - - int num_operands; - xtensa_operand_internal *operands; - - int num_iclasses; - xtensa_iclass_internal *iclasses; - - int num_opcodes; - xtensa_opcode_internal *opcodes; - xtensa_lookup_entry *opname_lookup_table; - - int num_regfiles; - xtensa_regfile_internal *regfiles; - - int num_states; - xtensa_state_internal *states; - xtensa_lookup_entry *state_lookup_table; - - int num_sysregs; - xtensa_sysreg_internal *sysregs; - xtensa_lookup_entry *sysreg_lookup_table; - - /* The current Xtensa ISA only supports 256 of each kind of sysreg so - we can get away with implementing lookups with tables indexed by - the register numbers. If we ever allow larger sysreg numbers, this - may have to be reimplemented. The first entry in the following - arrays corresponds to "special" registers and the second to "user" - registers. */ - int max_sysreg_num[2]; - xtensa_sysreg *sysreg_table[2]; - - int num_interfaces; - xtensa_interface_internal *interfaces; - xtensa_lookup_entry *interface_lookup_table; - - int num_funcUnits; - xtensa_funcUnit_internal *funcUnits; - xtensa_lookup_entry *funcUnit_lookup_table; - -} xtensa_isa_internal; - -extern int xtensa_isa_name_compare (const void *, const void *); - -extern xtensa_isa_status xtisa_errno; -extern char xtisa_error_msg[]; - -#endif /* !XTENSA_ISA_INTERNAL_H */ |