/* vax-inst.h - GNU - Part of vax.c
- Copyright (C) 1987 Free Software Foundation, Inc.
-
+ Copyright (C) 1987-2021 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)
+ the Free Software Foundation; either version 3, 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. */
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/*
* This is part of vax-ins-parse.c & friends.
*/
#define VIT_MAX_OPERANDS (6) /* maximum number of operands in one */
-/* single vax instruction */
+/* 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 */
+ 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" */
+ const char *vop_warn; /* warning message of this operand, if any */
+ const 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_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_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_JSB (0x16) /* Jump to subroutine */
#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_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_CALLS (0xFB) /* Call with arg list on stack */
+#define VAX_CALLG (0xFA) /* Call with arg list in memory */
+#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 */
+ /* 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 */
+ const char *vit_error; /* "" or error text */
};
-/* end: vax-inst.h */
+/* end of vax-inst.h */
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