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78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
#ifndef _VM_DEBUG_H_
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#define _VM_DEBUG_H_
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struct vm_debug_args;
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typedef struct vm_debug_args vm_debug_args;
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typedef void (*vm_debug_func)(vm_debug_args *);
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typedef struct {
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/*
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* The name field is the full name of the command; each command also
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* has an abbreviated form (either is acceptable as input), which is
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* defined in the abbrev field.
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*/
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char *name;
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char *abbrev;
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/*
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* The function that will do something with the command's input
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*/
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vm_debug_func handler;
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/*
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* The number of arguments we expect to see
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*/
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int nargs;
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/*
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* What do our arguments look like?
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*/
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char *argdesc;
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/*
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* What do we do?
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*/
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char *desc;
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} vm_debug_cmd;
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struct vm_debug_args {
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/*
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* Most commands that need an argument will simply use addr1, but a
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* few have more than one address--hence addr2.
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*/
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int addr1;
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int addr2;
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/*
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* If we have a thing we want to work with, but want to leave what
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* that is up to the helper func, then you can write it into the
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* target.
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*
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* If a command uses target, followed by an address, that address
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* will be in addr1.
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*/
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char *target;
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/*
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* The command our arguments are attached to; from here we can call
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* the handler with ourselves. (Very meta.)
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*/
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vm_debug_cmd *cmd;
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};
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#define DEBUG_CMD(x) \
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void vm_debug_cmd_##x (vm_debug_args *args)
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extern vm_debug_cmd *vm_debug_find_cmd(const char *);
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extern void vm_debug_execute(const char *);
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extern DEBUG_CMD(help);
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extern DEBUG_CMD(jump);
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extern DEBUG_CMD(printaddr);
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extern DEBUG_CMD(printstate);
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extern DEBUG_CMD(resume);
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extern DEBUG_CMD(writeaddr);
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#endif
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