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-rw-r--r--sim/common/sim-module.c399
1 files changed, 399 insertions, 0 deletions
diff --git a/sim/common/sim-module.c b/sim/common/sim-module.c
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+++ b/sim/common/sim-module.c
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+/* Module support.
+ Copyright (C) 1996, 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. */
+
+#include "sim-main.h"
+#include "sim-io.h"
+#include "sim-options.h"
+#include "sim-assert.h"
+
+#if WITH_HW
+#include "sim-hw.h"
+#endif
+
+#include "libiberty.h"
+
+/* List of all modules. */
+static MODULE_INSTALL_FN * const modules[] = {
+ standard_install,
+ sim_events_install,
+#ifdef SIM_HAVE_MODEL
+ sim_model_install,
+#endif
+#if WITH_ENGINE
+ sim_engine_install,
+#endif
+#if WITH_TRACE
+ trace_install,
+#endif
+#if WITH_PROFILE
+ profile_install,
+#endif
+ sim_core_install,
+#ifndef SIM_HAVE_FLATMEM
+ /* FIXME: should handle flatmem as well FLATMEM */
+ sim_memopt_install,
+#endif
+#if WITH_WATCHPOINTS
+ sim_watchpoint_install,
+#endif
+#if WITH_SCACHE
+ scache_install,
+#endif
+#ifdef SIM_HAVE_BREAKPOINTS
+ sim_break_install,
+#endif
+#if WITH_HW
+ sim_hw_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);
+ SIM_ASSERT (STATE_MODULES (sd) == NULL);
+
+ STATE_MY_NAME (sd) = myname + strlen (myname);
+ while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/')
+ --STATE_MY_NAME (sd);
+
+ /* Set the cpu names to default values. */
+ {
+ int i;
+ for (i = 0; i < MAX_NR_PROCESSORS; ++i)
+ {
+ char *name;
+ asprintf (&name, "cpu%d", i);
+ CPU_NAME (STATE_CPU (sd, i)) = name;
+ }
+ }
+
+ sim_config_default (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);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ /* Set the cpu->state backlinks for each cpu. */
+ for (i = 0; i < MAX_NR_PROCESSORS; ++i)
+ {
+ CPU_STATE (STATE_CPU (sd, i)) = sd;
+ CPU_INDEX (STATE_CPU (sd, i)) = i;
+ }
+
+ if (sim_module_init (sd) != SIM_RC_OK)
+ return SIM_RC_FAIL;
+
+ return SIM_RC_OK;
+}
+
+/* Install all modules.
+ If this fails, no modules are left installed. */
+
+SIM_RC
+sim_module_install (SIM_DESC sd)
+{
+ MODULE_INSTALL_FN * const *modp;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) == NULL);
+
+ STATE_MODULES (sd) = ZALLOC (struct module_list);
+ for (modp = modules; *modp != NULL; ++modp)
+ {
+ if ((*modp) (sd) != SIM_RC_OK)
+ {
+ sim_module_uninstall (sd);
+ SIM_ASSERT (STATE_MODULES (sd) == NULL);
+ 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_INIT_LIST *modp;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ for (modp = modules->init_list; 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_RESUME_LIST *modp;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ for (modp = modules->resume_list; 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_SUSPEND_LIST *modp;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ for (modp = modules->suspend_list; 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_UNINSTALL_LIST *modp;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ /* Uninstall the modules. */
+ for (modp = modules->uninstall_list; modp != NULL; modp = modp->next)
+ (*modp->fn) (sd);
+
+ /* clean-up init list */
+ {
+ MODULE_INIT_LIST *n, *d;
+ for (d = modules->init_list; d != NULL; d = n)
+ {
+ n = d->next;
+ zfree (d);
+ }
+ }
+
+ /* clean-up resume list */
+ {
+ MODULE_RESUME_LIST *n, *d;
+ for (d = modules->resume_list; d != NULL; d = n)
+ {
+ n = d->next;
+ zfree (d);
+ }
+ }
+
+ /* clean-up suspend list */
+ {
+ MODULE_SUSPEND_LIST *n, *d;
+ for (d = modules->suspend_list; d != NULL; d = n)
+ {
+ n = d->next;
+ zfree (d);
+ }
+ }
+
+ /* clean-up uninstall list */
+ {
+ MODULE_UNINSTALL_LIST *n, *d;
+ for (d = modules->uninstall_list; d != NULL; d = n)
+ {
+ n = d->next;
+ zfree (d);
+ }
+ }
+
+ /* clean-up info list */
+ {
+ MODULE_INFO_LIST *n, *d;
+ for (d = modules->info_list; d != NULL; d = n)
+ {
+ n = d->next;
+ zfree (d);
+ }
+ }
+
+ zfree (modules);
+ STATE_MODULES (sd) = NULL;
+}
+
+/* Called when ever simulator info is needed */
+
+void
+sim_module_info (SIM_DESC sd, int verbose)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_INFO_LIST *modp;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ for (modp = modules->info_list; modp != NULL; modp = modp->next)
+ {
+ (*modp->fn) (sd, verbose);
+ }
+}
+
+/* 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST);
+ MODULE_INIT_LIST **last;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ last = &modules->init_list;
+ 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST);
+ MODULE_RESUME_LIST **last;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ last = &modules->resume_list;
+ 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST);
+ MODULE_SUSPEND_LIST **last;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ last = &modules->suspend_list;
+ while (*last != NULL)
+ last = &((*last)->next);
+
+ l->fn = fn;
+ l->next = modules->suspend_list;
+ modules->suspend_list = 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)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST);
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ l->fn = fn;
+ l->next = modules->uninstall_list;
+ modules->uninstall_list = l;
+}
+
+/* Add FN to the info handler list.
+ Report info in the same order as the install. */
+
+void
+sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn)
+{
+ struct module_list *modules = STATE_MODULES (sd);
+ MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST);
+ MODULE_INFO_LIST **last;
+
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ SIM_ASSERT (STATE_MODULES (sd) != NULL);
+
+ last = &modules->info_list;
+ while (*last != NULL)
+ last = &((*last)->next);
+
+ l->fn = fn;
+ l->next = NULL;
+ *last = l;
+}
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