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/* breakpoint.h: a debugger breakpoint
Copyright (c) 2002-2011 Philip Kendall
$Id: breakpoint.h 4415 2011-05-01 22:51:43Z pak21 $
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_BREAKPOINT_H
#define FUSE_DEBUGGER_BREAKPOINT_H
#include "memory.h"
/* Types of breakpoint */
typedef enum debugger_breakpoint_type {
DEBUGGER_BREAKPOINT_TYPE_EXECUTE,
DEBUGGER_BREAKPOINT_TYPE_READ,
DEBUGGER_BREAKPOINT_TYPE_WRITE,
DEBUGGER_BREAKPOINT_TYPE_PORT_READ,
DEBUGGER_BREAKPOINT_TYPE_PORT_WRITE,
DEBUGGER_BREAKPOINT_TYPE_TIME,
DEBUGGER_BREAKPOINT_TYPE_EVENT,
} debugger_breakpoint_type;
extern const char *debugger_breakpoint_type_text[];
extern const char debugger_breakpoint_type_abbr[][4];
/* Lifetime of a breakpoint */
typedef enum debugger_breakpoint_life {
DEBUGGER_BREAKPOINT_LIFE_PERMANENT,
DEBUGGER_BREAKPOINT_LIFE_ONESHOT,
} debugger_breakpoint_life;
extern const char *debugger_breakpoint_life_text[];
extern const char debugger_breakpoint_life_abbr[][5];
typedef struct debugger_breakpoint_address {
/* Which memory device we are interested in. memory_source_any for an
absolute address */
int source;
/* The page number from the source we are interested in. Not used for
MEMORY_SOURCE_ANY */
int page;
/* The offset within the page, or the absolute address for
MEMORY_SOURCE_ANY */
libspectrum_word offset;
} debugger_breakpoint_address;
typedef struct debugger_breakpoint_port {
libspectrum_word port;
libspectrum_word mask;
} debugger_breakpoint_port;
typedef struct debugger_breakpoint_time {
libspectrum_dword tstates;
int triggered;
} debugger_breakpoint_time;
typedef struct debugger_event_t {
char *type;
char *detail;
} debugger_event_t;
typedef union debugger_breakpoint_value {
debugger_breakpoint_address address;
debugger_breakpoint_port port;
debugger_breakpoint_time time;
debugger_event_t event;
} debugger_breakpoint_value;
typedef struct debugger_expression debugger_expression;
/* The breakpoint structure */
typedef struct debugger_breakpoint {
size_t id;
debugger_breakpoint_type type;
debugger_breakpoint_value value;
size_t ignore; /* Ignore this breakpoint this many times */
debugger_breakpoint_life life;
debugger_expression *condition; /* Conditional expression to activate this
breakpoint */
char *commands;
} debugger_breakpoint;
/* The current breakpoints */
extern GSList *debugger_breakpoints;
int debugger_check( debugger_breakpoint_type type, libspectrum_dword value );
/* Add a new breakpoint */
int
debugger_breakpoint_add_address(
debugger_breakpoint_type type, int source, int page, libspectrum_word offset,
size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
);
int
debugger_breakpoint_add_port(
debugger_breakpoint_type type, libspectrum_word port, libspectrum_word mask,
size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
);
int
debugger_breakpoint_add_time(
debugger_breakpoint_type type, libspectrum_dword tstates,
size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
);
int
debugger_breakpoint_add_event(
debugger_breakpoint_type type, const char *type_string, const char *detail,
size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
);
/* Add events corresponding to all the time breakpoints to happen
during this frame */
int debugger_add_time_events( void );
#endif /* #ifndef FUSE_DEBUGGER_BREAKPOINT_H */
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