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/* Module support.
Copyright (C) 1996, 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. */
#include "sim-main.h"
#include "sim-io.h"
#include "sim-options.h"
#include "sim-assert.h"
#include "libiberty.h"
/* List of all modules. */
static MODULE_INSTALL_FN * const modules[] = {
standard_install,
#if WITH_ENGINE
sim_engine_install,
#endif
#if WITH_TRACE
trace_install,
#endif
#if WITH_PROFILE
profile_install,
#endif
sim_core_install,
sim_events_install,
#if WITH_WATCHPOINTS
sim_watchpoint_install,
#endif
#if WITH_SCACHE
scache_install,
#endif
#ifdef SIM_HAVE_MODEL /* FIXME: temporary */
model_install,
#endif
/* Configured in [simulator specific] additional modules. */
#ifdef MODULE_LIST
MODULE_LIST
#endif
0
};
/* Functions called from sim_open. */
/* Initialize common parts before argument processing. */
SIM_RC
sim_pre_argv_init (SIM_DESC sd, const char *myname)
{
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
STATE_MY_NAME (sd) = myname + strlen (myname);
while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/')
--STATE_MY_NAME (sd);
/* Install all configured in modules. */
if (sim_module_install (sd) != SIM_RC_OK)
return SIM_RC_FAIL;
return SIM_RC_OK;
}
/* Initialize common parts after argument processing. */
SIM_RC
sim_post_argv_init (SIM_DESC sd)
{
int i;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
if (sim_module_init (sd) != SIM_RC_OK)
return SIM_RC_FAIL;
/* Set the cpu->state backlinks for each cpu. */
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
CPU_STATE (STATE_CPU (sd, i)) = sd;
return SIM_RC_OK;
}
/* Install all modules. */
SIM_RC
sim_module_install (SIM_DESC sd)
{
MODULE_INSTALL_FN * const *modp;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
for (modp = modules; *modp != NULL; ++modp)
{
if ((*modp) (sd) != SIM_RC_OK)
return SIM_RC_FAIL;
}
return SIM_RC_OK;
}
/* Called after all modules have been installed and after argv
has been processed. */
SIM_RC
sim_module_init (SIM_DESC sd)
{
MODULE_INIT_LIST *modp;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
for (modp = STATE_INIT_LIST (sd); modp != NULL; modp = modp->next)
{
if ((*modp->fn) (sd) != SIM_RC_OK)
return SIM_RC_FAIL;
}
return SIM_RC_OK;
}
/* Called when ever the simulator is resumed */
SIM_RC
sim_module_resume (SIM_DESC sd)
{
MODULE_RESUME_LIST *modp;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
for (modp = STATE_RESUME_LIST (sd); modp != NULL; modp = modp->next)
{
if ((*modp->fn) (sd) != SIM_RC_OK)
return SIM_RC_FAIL;
}
return SIM_RC_OK;
}
/* Called when ever the simulator is suspended */
SIM_RC
sim_module_suspend (SIM_DESC sd)
{
MODULE_SUSPEND_LIST *modp;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
for (modp = STATE_SUSPEND_LIST (sd); modp != NULL; modp = modp->next)
{
if ((*modp->fn) (sd) != SIM_RC_OK)
return SIM_RC_FAIL;
}
return SIM_RC_OK;
}
/* Uninstall installed modules, called by sim_close. */
void
sim_module_uninstall (SIM_DESC sd)
{
MODULE_UNINSTALL_LIST *modp;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
/* Uninstall the modules. */
for (modp = STATE_UNINSTALL_LIST (sd); modp != NULL; modp = modp->next)
(*modp->fn) (sd);
}
/* Add FN to the init handler list.
init in the same order as the install. */
void
sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn)
{
MODULE_INIT_LIST *l =
(MODULE_INIT_LIST *) xmalloc (sizeof (MODULE_INIT_LIST));
MODULE_INIT_LIST **last = &STATE_INIT_LIST (sd);
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
while (*last != NULL)
last = &((*last)->next);
l->fn = fn;
l->next = NULL;
*last = l;
}
/* Add FN to the resume handler list.
resume in the same order as the install. */
void
sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn)
{
MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST);
MODULE_RESUME_LIST **last;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
last = &STATE_RESUME_LIST (sd);
while (*last != NULL)
last = &((*last)->next);
l->fn = fn;
l->next = NULL;
*last = l;
}
/* Add FN to the init handler list.
suspend in the reverse order to install. */
void
sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn)
{
MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST);
MODULE_SUSPEND_LIST **last;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
last = &STATE_SUSPEND_LIST (sd);
while (*last != NULL)
last = &((*last)->next);
l->fn = fn;
l->next = STATE_SUSPEND_LIST (sd);
STATE_SUSPEND_LIST (sd) = l;
}
/* Add FN to the uninstall handler list.
Uninstall in reverse order to install. */
void
sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn)
{
MODULE_UNINSTALL_LIST *l =
(MODULE_UNINSTALL_LIST *) xmalloc (sizeof (MODULE_UNINSTALL_LIST));
l->fn = fn;
l->next = STATE_UNINSTALL_LIST (sd);
STATE_UNINSTALL_LIST (sd) = l;
}
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