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Diffstat (limited to 'opcodes/ia64-asmtab.h')
| -rw-r--r-- | opcodes/ia64-asmtab.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/opcodes/ia64-asmtab.h b/opcodes/ia64-asmtab.h deleted file mode 100644 index 822007a3b78..00000000000 --- a/opcodes/ia64-asmtab.h +++ /dev/null @@ -1,148 +0,0 @@ -/* ia64-asmtab.h -- Header for compacted IA-64 opcode tables. - Copyright 1999, 2000 Free Software Foundation, Inc. - Contributed by Bob Manson of Cygnus Support <manson@cygnus.com> - - 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 - 2, 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, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#ifndef IA64_ASMTAB_H -#define IA64_ASMTAB_H - -#include "opcode/ia64.h" - -/* The primary opcode table is made up of the following: */ -struct ia64_main_table -{ - /* The entry in the string table that corresponds to the name of this - opcode. */ - unsigned short name_index; - - /* The type of opcode; corresponds to the TYPE field in - struct ia64_opcode. */ - unsigned char opcode_type; - - /* The number of outputs for this opcode. */ - unsigned char num_outputs; - - /* The base insn value for this opcode. It may be modified by completers. */ - ia64_insn opcode; - - /* The mask of valid bits in OPCODE. Zeros indicate operand fields. */ - ia64_insn mask; - - /* The operands of this instruction. Corresponds to the OPERANDS field - in struct ia64_opcode. */ - unsigned char operands[5]; - - /* The flags for this instruction. Corresponds to the FLAGS field in - struct ia64_opcode. */ - short flags; - - /* The tree of completers for this instruction; this is an offset into - completer_table. */ - short completers; -}; - -/* Each instruction has a set of possible "completers", or additional - suffixes that can alter the instruction's behavior, and which has - potentially different dependencies. - - The completer entries modify certain bits in the instruction opcode. - Which bits are to be modified are marked by the BITS, MASK and - OFFSET fields. The completer entry may also note dependencies for the - opcode. - - These completers are arranged in a DAG; the pointers are indexes - into the completer_table array. The completer DAG is searched by - find_completer () and ia64_find_matching_opcode (). - - Note that each completer needs to be applied in turn, so that if we - have the instruction - cmp.lt.unc - the completer entries for both "lt" and "unc" would need to be applied - to the opcode's value. - - Some instructions do not require any completers; these contain an - empty completer entry. Instructions that require a completer do - not contain an empty entry. - - Terminal completers (those completers that validly complete an - instruction) are marked by having the TERMINAL_COMPLETER flag set. - - Only dependencies listed in the terminal completer for an opcode are - considered to apply to that opcode instance. */ - -struct ia64_completer_table -{ - /* The bit value that this completer sets. */ - unsigned int bits; - - /* And its mask. 1s are bits that are to be modified in the - instruction. */ - unsigned int mask; - - /* The entry in the string table that corresponds to the name of this - completer. */ - unsigned short name_index; - - /* An alternative completer, or -1 if this is the end of the chain. */ - short alternative; - - /* A pointer to the DAG of completers that can potentially follow - this one, or -1. */ - short subentries; - - /* The bit offset in the instruction where BITS and MASK should be - applied. */ - unsigned char offset : 7; - - unsigned char terminal_completer : 1; - - /* Index into the dependency list table */ - short dependencies; -}; - -/* This contains sufficient information for the disassembler to resolve - the complete name of the original instruction. */ -struct ia64_dis_names -{ - /* COMPLETER_INDEX represents the tree of completers that make up - the instruction. The LSB represents the top of the tree for the - specified instruction. - - A 0 bit indicates to go to the next alternate completer via the - alternative field; a 1 bit indicates that the current completer - is part of the instruction, and to go down the subentries index. - We know we've reached the final completer when we run out of 1 - bits. - - There is always at least one 1 bit. */ - unsigned int completer_index : 20; - - /* The index in the main_table[] array for the instruction. */ - unsigned short insn_index : 11; - - /* If set, the next entry in this table is an alternate possibility - for this instruction encoding. Which one to use is determined by - the instruction type and other factors (see opcode_verify ()). */ - unsigned int next_flag : 1; - - /* The disassembly priority of this entry among instructions. */ - unsigned short priority; -}; - -#endif |