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erc-c/include/vm_debug.h
2018-03-09 16:44:53 -06:00

96 lines
2.2 KiB
C

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