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Diffstat (limited to 'gnu/usr.bin/as/config/vax-inst.h')
-rw-r--r-- | gnu/usr.bin/as/config/vax-inst.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/gnu/usr.bin/as/config/vax-inst.h b/gnu/usr.bin/as/config/vax-inst.h deleted file mode 100644 index 47c5ef0..0000000 --- a/gnu/usr.bin/as/config/vax-inst.h +++ /dev/null @@ -1,77 +0,0 @@ -/* vax-inst.h - GNU - Part of vax.c - Copyright (C) 1987, 1992 Free Software Foundation, Inc. - - This file is part of GAS, the GNU Assembler. - - GAS 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 2, or (at your option) - any later version. - - GAS 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 GAS; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* - * This is part of vax-ins-parse.c & friends. - * We want to parse a vax instruction text into a tree defined here. - */ - -#define VIT_MAX_OPERANDS (6) /* maximum number of operands in one */ -/* single vax instruction */ - -struct vop /* vax instruction operand */ -{ - short int vop_ndx; /* -1, or index register. eg 7=[R7] */ - short int vop_reg; /* -1, or register number. eg @I^#=0xF */ - /* Helps distinguish "abs" from "abs(PC)". */ - short int vop_mode; /* addressing mode 4 bits. eg I^#=0x9 */ - char vop_short; /* operand displacement length as written */ - /* ' '=none, "bilsw"=B^I^L^S^W^. */ - char vop_access; /* 'b'branch ' 'no-instruction 'amrvw'norm */ - char vop_width; /* Operand width, one of "bdfghloqw" */ - char *vop_warn; /* warning message of this operand, if any */ - char *vop_error; /* say if operand is inappropriate */ - char *vop_expr_begin; /* Unparsed expression, 1st char ... */ - char *vop_expr_end; /* ... last char. */ - unsigned char vop_nbytes; /* number of bytes in datum */ -}; - - -typedef long vax_opcodeT; /* For initialising array of opcodes */ -/* Some synthetic opcodes > 16 bits! */ - -#define VIT_OPCODE_SYNTHETIC 0x80000000 /* Not real hardware instruction. */ -#define VIT_OPCODE_SPECIAL 0x40000000 /* Not normal branch optimising. */ -/* Never set without ..._SYNTHETIC */ - -#define VAX_WIDTH_UNCONDITIONAL_JUMP '-' /* These are encoded into */ -#define VAX_WIDTH_CONDITIONAL_JUMP '?' /* vop_width when vop_access == 'b' */ -#define VAX_WIDTH_WORD_JUMP '!' /* and VIT_OPCODE_SYNTHETIC set. */ -#define VAX_WIDTH_BYTE_JUMP ':' /* */ - -#define VAX_JMP (0x17) /* Useful for branch optimising. Jump instr*/ -#define VAX_PC_RELATIVE_MODE (0xef) /* Use it after VAX_JMP */ -#define VAX_ABSOLUTE_MODE (0x9F) /* Use as @#... */ -#define VAX_BRB (0x11) /* Canonical branch. */ -#define VAX_BRW (0x31) /* Another canonical branch */ -#define VAX_WIDEN_WORD (0x20) /* Add this to byte branch to get word br. */ -#define VAX_WIDEN_LONG (0x6) /* Add this to byte branch to get long jmp.*/ -/* Needs VAX_PC_RELATIVE_MODE byte after it*/ - -struct vit /* vax instruction tree */ -{ - /* vit_opcode is char[] for portability. */ - char vit_opcode[ sizeof (vax_opcodeT) ]; - unsigned char vit_opcode_nbytes; /* How long is _opcode? (chars) */ - unsigned char vit_operands;/* */ - struct vop vit_operand[VIT_MAX_OPERANDS]; /* operands */ - char * vit_error; /* "" or error text */ -}; - -/* end of vax-inst.h */ |