asmsh/breakpoints.h

/* Copyright Yann Weber <asmsh@yannweb.net>
   This file is part of asmsh.

   asmsh is free software: you can redistribute it and/or modify it under the
   terms of the GNU General Public License as published by the Free Software
   Foundation, either version 3 of the License, or any later version.
   
   asmsh is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
   details.
   
   You should have received a copy of the GNU General Public License along
   with asmsh. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ASMSH_BREAKPOINTS_H
#define ASMSH_BREAKPOINTS_H
#include "config.h"

#include <errno.h>
#include <stdlib.h>

#include "logger.h"

typedef struct asmsh_brk_s asmsh_brk_t;


/** Stores breakpoints informations */
struct asmsh_brk_s
{
	/** Breakpoint addresses sorted ascending */
	unsigned long *addrs;
	/** Number of breakpoints */
	size_t sz;
};

/** Initialize the breakpoint list
 * @param brks Pointer on the list to initialize
 * @return 0 if no error else -1
 */
int asmsh_brk_init(asmsh_brk_t *brks);

/** Cleanup a breakpoint list struct
 * @param brks Pointer on the list to clean
 */
void asmsh_brk_free(asmsh_brk_t *brks);

/** Add a breakpoint
 * @param brks Pointer on the list
 * @param addr The breakpoint's address
 * @return 0 if no error 1 if allready present else -1 and set errno
 */
int asmsh_brk_add(asmsh_brk_t *brks, unsigned long addr);

/** Del a breakpoint
 * @param brks Pointer on the list
 * @param addr The breakpoint's address
 * @return 0 if no error 1 if not present else -1 and set errno
 */
int asmsh_brk_del(asmsh_brk_t *brks, unsigned long addr);

/** Check if a breakpoint exists
 * @param brks Pointer on the list
 * @param addr The address to check
 * @return 0 if no breakpoint at given address
 */
int asmsh_brk_isset(asmsh_brk_t *brks, unsigned long addr);

#endif