/********************************************************************* debugger.c Front-end debugger interfaces. Copyright Nicola Salmoria and the MAME Team. Visit http://mamedev.org for licensing and usage restrictions. *********************************************************************/ #include "driver.h" #include "debugger.h" #include "debug/debugcpu.h" #include "debug/debugcmd.h" #include "debug/debugcmt.h" #include "debug/debugcon.h" #include "debug/express.h" #include "debug/debugvw.h" #include /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ typedef struct _machine_entry machine_entry; struct _machine_entry { machine_entry * next; running_machine * machine; }; /*************************************************************************** GLOBAL VARIABLES ***************************************************************************/ static machine_entry *machine_list; static int atexit_registered; /*************************************************************************** FUNCTION PROTOTYPES ***************************************************************************/ static void debugger_exit(running_machine *machine); /*************************************************************************** CENTRAL INITIALIZATION POINT ***************************************************************************/ /*------------------------------------------------- debugger_init - start up all subsections -------------------------------------------------*/ void debugger_init(running_machine *machine) { /* only if debugging is enabled */ if (machine->debug_flags & DEBUG_FLAG_ENABLED) { machine_entry *entry; /* initialize the submodules */ debug_cpu_init(machine); debug_command_init(machine); debug_console_init(machine); debug_view_init(machine); debug_comment_init(machine); /* allocate a new entry for our global list */ add_exit_callback(machine, debugger_exit); entry = malloc_or_die(sizeof(*entry)); entry->next = machine_list; entry->machine = machine; machine_list = entry; /* register an atexit handler if we haven't yet */ if (!atexit_registered) atexit(debugger_flush_all_traces_on_abnormal_exit); atexit_registered = TRUE; /* listen in on the errorlog */ add_logerror_callback(machine, debug_errorlog_write_line); } } /*------------------------------------------------- debugger_refresh_display - redraw the current video display -------------------------------------------------*/ void debugger_refresh_display(running_machine *machine) { video_frame_update(machine, TRUE); } /*------------------------------------------------- debugger_exit - remove ourself from the global list of active machines for cleanup -------------------------------------------------*/ static void debugger_exit(running_machine *machine) { machine_entry **entryptr; /* remove this machine from the list; it came down cleanly */ for (entryptr = &machine_list; *entryptr != NULL; entryptr = &(*entryptr)->next) if ((*entryptr)->machine == machine) { machine_entry *deleteme = *entryptr; *entryptr = deleteme->next; free(deleteme); break; } } /*------------------------------------------------- debugger_flush_all_traces_on_abnormal_exit - flush any traces in the event of an aborted execution -------------------------------------------------*/ void debugger_flush_all_traces_on_abnormal_exit(void) { /* clear out the machine list and flush traces on each one */ while (machine_list != NULL) { machine_entry *deleteme = machine_list; debug_cpu_flush_traces(deleteme->machine); machine_list = deleteme->next; free(deleteme); } }