Aryadev Chavali
1dfdbb3cd0
Simpler to read as a type. This style will allow me to define signed versions of the base types as simpler names than what they are currently.
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/* Copyright (C) 2024 Aryadev Chavali
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* You may distribute and modify this code under the terms of the
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* GPLv2 license. You should have received a copy of the GPLv2
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* license with this file. If not, please write to:
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* aryadev@aryadevchavali.com.
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* Created: 2024-04-25
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* Author: Aryadev Chavali
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* Description: Virtual machine data structures and some helpers
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*/
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#ifndef STRUCT_H
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#define STRUCT_H
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#include <lib/darr.h>
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#include <lib/heap.h>
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#include <lib/inst.h>
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typedef darr_t registers_t;
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#define VM_NTH_REGISTER(REGISTERS, N) (((word *)((REGISTERS).data))[N])
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#define VM_REGISTERS_AVAILABLE(REGISTERS) (((REGISTERS).available) / WORD_SIZE)
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struct Stack
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{
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byte_t *data;
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size_t ptr, max;
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};
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struct Program
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{
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prog_t *data;
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word ptr;
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};
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struct CallStack
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{
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word *address_pointers;
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size_t ptr, max;
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};
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typedef struct
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{
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registers_t registers;
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struct Stack stack;
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heap_t heap;
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struct CallStack call_stack;
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struct Program program;
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} vm_t;
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// Start and stop
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void vm_load_stack(vm_t *, byte_t *, size_t);
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void vm_load_registers(vm_t *, registers_t);
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void vm_load_heap(vm_t *, heap_t);
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void vm_load_program(vm_t *, prog_t *);
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void vm_load_call_stack(vm_t *, word *, size_t);
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void vm_stop(vm_t *);
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// Printing the VM
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#define VM_PRINT_PROGRAM_EXCERPT 5
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void vm_print_registers(vm_t *, FILE *);
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void vm_print_stack(vm_t *, FILE *);
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void vm_print_program(vm_t *, FILE *);
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void vm_print_heap(vm_t *, FILE *);
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void vm_print_call_stack(vm_t *, FILE *);
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void vm_print_all(vm_t *, FILE *);
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#endif
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