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/* debugger.h: Fuse's monitor/debugger
Copyright (c) 2002-2016 Philip Kendall
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#ifndef FUSE_DEBUGGER_H
#define FUSE_DEBUGGER_H
#include <stdlib.h>
#ifdef HAVE_LIB_GLIB
#include <glib.h>
#endif /* #ifdef HAVE_LIB_GLIB */
#include <libspectrum.h>
#include "breakpoint.h"
/* The current state of the debugger */
enum debugger_mode_t
{
DEBUGGER_MODE_INACTIVE, /* No breakpoint set */
DEBUGGER_MODE_ACTIVE, /* Breakpoint set, but emulator running */
DEBUGGER_MODE_HALTED, /* Execution not happening */
};
extern enum debugger_mode_t debugger_mode;
/* Which base should we display things in */
extern int debugger_output_base;
void debugger_register_startup( void );
void debugger_reset( void );
int debugger_trap( void ); /* Activate the debugger */
int debugger_step( void ); /* Single step */
int debugger_next( void ); /* Go to next instruction, ignoring CALL etc */
int debugger_run( void ); /* Set debugger_mode so that emulation will occur */
/* Disassemble the instruction at 'address', returning its length in
'*length' */
void debugger_disassemble( char *buffer, size_t buflen, size_t *length,
libspectrum_word address );
/* Get an instruction relative to a specific address */
libspectrum_word debugger_search_instruction( libspectrum_word address,
int delta );
/* Evaluate a debugger command */
void debugger_command_evaluate( const char *command );
/* Get a deparsed expression */
int debugger_expression_deparse( char *buffer, size_t length,
const debugger_expression *exp );
/* Register an event type with the debugger */
int debugger_event_register( const char *type, const char *detail );
/* Fire off a debugger event */
void debugger_event( int event_code );
/* Exit the emulator */
void debugger_exit_emulator( debugger_expression *exit_code_expression );
/* Get the exit code to be used when exiting the emulator */
int debugger_get_exit_code( void );
/* Debugger system variables */
typedef libspectrum_dword (*debugger_get_system_variable_fn_t)( void );
typedef void (*debugger_set_system_variable_fn_t)( libspectrum_dword value );
void debugger_system_variable_register(
const char *type, const char *detail,
debugger_get_system_variable_fn_t get,
debugger_set_system_variable_fn_t set );
/* Unit tests */
int debugger_disassemble_unittest( void );
#endif /* #ifndef FUSE_DEBUGGER_H */
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