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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/common/sim-engine.h
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
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diff --git a/sim/common/sim-engine.h b/sim/common/sim-engine.h
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--- a/sim/common/sim-engine.h
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-/* Generic simulator halt/resume.
- Copyright (C) 1997 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;
- enum sim_stop reason;
- sim_event *stepper;
- int sigrc;
-};
-
-
-
-/* Halt the simulator *now* */
-
-extern void sim_engine_halt
-(SIM_DESC sd,
- sim_cpu *last_cpu,
- 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) (LAST_CPU)->cia = cia
-#endif
-
-
-
-/* restart the simulator *now* */
-
-extern void sim_engine_restart
-(SIM_DESC sd,
- sim_cpu *last_cpu,
- sim_cpu *next_cpu,
- 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,
- ...);
-
-/* 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 siggnal); /* most simulators ignore siggnal */
-
-
-
-/* Determine the state of next/last cpu when the simulator was last
- halted - a value >= nr-cpus 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);
-
-
-#endif