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70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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#ifndef _VM_REFLECT_H_
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#define _VM_REFLECT_H_
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#include <stdio.h>
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/*
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* Some forward decls for vm_reflect
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*/
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struct vm_reflect;
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typedef struct vm_reflect vm_reflect;
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/*
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* A reflect function, mostly helpful in the struct definition itself as
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* well as a function decls and defns. A reflect function would accept a
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* reflect object and use that to figure out what it's talking about.
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*/
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typedef void (*vm_reflect_fn)(vm_reflect *);
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struct vm_reflect {
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/*
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* These are the machine and CPU objects that the reflect system
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* would want to work with.
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*/
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void *machine;
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void *cpu;
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/*
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* Where information that we print will go to.
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*/
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FILE *stream;
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/*
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* Print out information about the machine and CPU, respectively.
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*/
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vm_reflect_fn cpu_info;
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vm_reflect_fn machine_info;
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/*
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* These functions pause or resume operation of the virtual machine.
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*/
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vm_reflect_fn pause;
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vm_reflect_fn resume;
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/*
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* Turn on, or off, disassembly of the instructions being executed.
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*/
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vm_reflect_fn disasm_on;
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vm_reflect_fn disasm_off;
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/*
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* Eventually we will have the ability to load and save state to a
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* file mechanism (probably not the one defined as `stream` above).
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*/
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#if 0
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vm_reflect_fn save_state;
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vm_reflect_fn load_state;
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#endif
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};
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extern int vm_reflect_cpu_info(vm_reflect *);
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extern int vm_reflect_disasm_off(vm_reflect *);
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extern int vm_reflect_disasm_on(vm_reflect *);
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extern int vm_reflect_machine_info(vm_reflect *);
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extern int vm_reflect_pause(vm_reflect *);
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extern int vm_reflect_resume(vm_reflect *);
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extern vm_reflect *vm_reflect_create(void *, void *, FILE *);
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extern void vm_reflect_free(vm_reflect *);
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#endif
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