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Diffstat (limited to 'sim/common/sim-engine.h')
| -rw-r--r-- | sim/common/sim-engine.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/sim/common/sim-engine.h b/sim/common/sim-engine.h deleted file mode 100644 index 41aa51f9ed0..00000000000 --- a/sim/common/sim-engine.h +++ /dev/null @@ -1,161 +0,0 @@ -/* Generic simulator halt/resume. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. - Contributed by Cygnus Support. - -This file is part of GDB, the GNU debugger. - -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, 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., -59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef SIM_ENGINE_H -#define SIM_ENGINE_H - - -typedef struct _sim_engine sim_engine; -struct _sim_engine -{ - void *jmpbuf; - sim_cpu *last_cpu; - sim_cpu *next_cpu; - int nr_cpus; - enum sim_stop reason; - sim_event *stepper; - int sigrc; -}; - - - -/* jmpval: 0 (initial use) start simulator - 1 halt simulator - 2 restart simulator - This is required by the ISO C standard (the only time 0 is returned - is at the initial call to setjmp). */ - -enum { - sim_engine_start_jmpval, - sim_engine_halt_jmpval, - sim_engine_restart_jmpval, -}; - - -/* Get/set the run state of CPU to REASON/SIGRC. - REASON/SIGRC are the values returned by sim_stop_reason. */ -void sim_engine_get_run_state (SIM_DESC sd, enum sim_stop *reason, int *sigrc); -void sim_engine_set_run_state (SIM_DESC sd, enum sim_stop reason, int sigrc); - - -/* Halt the simulator *now* */ - -extern void sim_engine_halt -(SIM_DESC sd, - sim_cpu *last_cpu, /* NULL -> in event-mgr */ - sim_cpu *next_cpu, /* NULL -> succ (last_cpu) or event-mgr */ - sim_cia cia, - enum sim_stop reason, - int sigrc); - -/* Halt hook - allow target specific operation when halting a - simulator */ - -#if !defined (SIM_ENGINE_HALT_HOOK) -#define SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) \ -if ((LAST_CPU) != NULL) CIA_SET (LAST_CPU, CIA) -#endif - -/* NB: If a port uses the SIM_CPU_EXCEPTION_* hooks, the default - SIM_ENGINE_HALT_HOOK and SIM_ENGINE_RESUME_HOOK must not be used. - They conflict in that the PC set by the HALT_HOOK may overwrite the - proper one, as intended to be saved by the EXCEPTION_TRIGGER - hook. */ - - -/* restart the simulator *now* */ - -extern void sim_engine_restart -(SIM_DESC sd, - sim_cpu *last_cpu, /* NULL -> in event-mgr */ - sim_cpu *next_cpu, /* NULL -> succ (last_cpu) or event-mgr */ - sim_cia cia); - -/* Restart hook - allow target specific operation when restarting a - simulator */ - -#if !defined (SIM_ENGINE_RESTART_HOOK) -#define SIM_ENGINE_RESTART_HOOK(SD, LAST_CPU, CIA) SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) -#endif - - - - -/* Abort the simulator *now*. - - This function is NULL safe. It can be called when either of SD or - CIA are NULL. - - This function is setjmp/longjmp safe. It can be called when of - the sim_engine setjmp/longjmp buffer has not been established. - - Simulators that are using components such as sim-core but are not - yet using this sim-engine module should link in file sim-abort.o - which implements a non setjmp/longjmp version of - sim_engine_abort. */ - -extern void sim_engine_abort -(SIM_DESC sd, - sim_cpu *cpu, - sim_cia cia, - const char *fmt, - ...) __attribute__ ((format (printf, 4, 5))); - -extern void sim_engine_vabort -(SIM_DESC sd, - sim_cpu *cpu, - sim_cia cia, - const char *fmt, - va_list ap); - -/* No abort hook - when possible this function exits using the - engine_halt function (and SIM_ENGINE_HALT_HOOK). */ - - - - -/* Called by the generic sim_resume to run the simulation within the - above safty net. - - An example implementation of sim_engine_run can be found in the - file sim-run.c */ - -extern void sim_engine_run -(SIM_DESC sd, - int next_cpu_nr, - int nr_cpus, - int siggnal); /* most simulators ignore siggnal */ - - - -/* Determine the state of next/last cpu when the simulator was last - halted - a value >= MAX_NR_PROCESSORS indicates that the - event-queue was next/last. */ - -extern int sim_engine_next_cpu_nr (SIM_DESC sd); -extern int sim_engine_last_cpu_nr (SIM_DESC sd); -extern int sim_engine_nr_cpus (SIM_DESC sd); - - -/* Establish the simulator engine */ -MODULE_INSTALL_FN sim_engine_install; - - -#endif |