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/* Copyright 2018-2024
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
typedef enum vm_op {
NOOP = 0,
FRAME = 1,
SFRAME = 2,
DFRAME = 3,
END = 4,
PROF = 5,
CALL = 6,
APPLY = 7,
GCALL = 8,
GAPPLY = 9,
MOVRS = 10,
MOVSR = 11,
MOVRR = 12,
JMP = 13,
IF = 14,
IFQ = 15,
IFQL = 16,
SWTCH = 17,
UWPROT = 18,
BLOCK = 19,
RETSR = 20,
RETRS = 21,
RETRR = 22,
ABSCSR = 23,
CATCH = 24,
HANDLE = 25,
GETV = 26,
OLDGETF = 27,
GETL1 = 28,
GETVB = 29,
GETFB = 30,
GETL1B = 31,
SETV = 32,
SETL1 = 33,
BINDV = 34,
CLOSE = 35,
GETLX = 36,
SETLX = 37,
GETF = 38,
} vm_op_t;
#define VM_LEV_BITS 10
#define VM_LEV_MASK 0x3FF
#define VM_SM_LEV_BITS 6
#define VM_SM_LEV_MASK 0x3F
#define VM_MAX_LEV 63
#define VM_MAX_V_LEV 61
#define VM_LEV_SIZE 1024
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