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https://sourceware.org/git/binutils-gdb.git
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399 lines
8.8 KiB
C
399 lines
8.8 KiB
C
/* Module support.
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Copyright 1996-2014 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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This file is part of GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "sim-main.h"
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#include "sim-io.h"
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#include "sim-options.h"
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#include "sim-assert.h"
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#if WITH_HW
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#include "sim-hw.h"
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#endif
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#include "libiberty.h"
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/* List of all modules. */
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static MODULE_INSTALL_FN * const modules[] = {
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standard_install,
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sim_events_install,
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#ifdef SIM_HAVE_MODEL
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sim_model_install,
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#endif
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#if WITH_ENGINE
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sim_engine_install,
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#endif
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#if WITH_TRACE
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trace_install,
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#endif
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#if WITH_PROFILE
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profile_install,
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#endif
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sim_core_install,
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#ifndef SIM_HAVE_FLATMEM
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/* FIXME: should handle flatmem as well FLATMEM */
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sim_memopt_install,
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#endif
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#if WITH_WATCHPOINTS
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sim_watchpoint_install,
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#endif
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#if WITH_SCACHE
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scache_install,
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#endif
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#if WITH_HW
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sim_hw_install,
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#endif
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/* Configured in [simulator specific] additional modules. */
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#ifdef MODULE_LIST
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MODULE_LIST
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#endif
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0
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};
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/* Functions called from sim_open. */
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/* Initialize common parts before argument processing. */
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SIM_RC
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sim_pre_argv_init (SIM_DESC sd, const char *myname)
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{
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) == NULL);
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STATE_MY_NAME (sd) = myname + strlen (myname);
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while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/')
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--STATE_MY_NAME (sd);
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/* Set the cpu names to default values. */
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{
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int i;
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for (i = 0; i < MAX_NR_PROCESSORS; ++i)
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{
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char *name;
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if (asprintf (&name, "cpu%d", i) < 0)
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return SIM_RC_FAIL;
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CPU_NAME (STATE_CPU (sd, i)) = name;
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}
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}
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sim_config_default (sd);
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/* Install all configured in modules. */
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if (sim_module_install (sd) != SIM_RC_OK)
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return SIM_RC_FAIL;
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return SIM_RC_OK;
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}
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/* Initialize common parts after argument processing. */
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SIM_RC
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sim_post_argv_init (SIM_DESC sd)
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{
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int i;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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/* Set the cpu->state backlinks for each cpu. */
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for (i = 0; i < MAX_NR_PROCESSORS; ++i)
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{
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CPU_STATE (STATE_CPU (sd, i)) = sd;
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CPU_INDEX (STATE_CPU (sd, i)) = i;
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}
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if (sim_module_init (sd) != SIM_RC_OK)
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return SIM_RC_FAIL;
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return SIM_RC_OK;
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}
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/* Install all modules.
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If this fails, no modules are left installed. */
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SIM_RC
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sim_module_install (SIM_DESC sd)
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{
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MODULE_INSTALL_FN * const *modp;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) == NULL);
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STATE_MODULES (sd) = ZALLOC (struct module_list);
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for (modp = modules; *modp != NULL; ++modp)
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{
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if ((*modp) (sd) != SIM_RC_OK)
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{
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sim_module_uninstall (sd);
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SIM_ASSERT (STATE_MODULES (sd) == NULL);
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return SIM_RC_FAIL;
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}
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}
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return SIM_RC_OK;
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}
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/* Called after all modules have been installed and after argv
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has been processed. */
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SIM_RC
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sim_module_init (SIM_DESC sd)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_INIT_LIST *modp;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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for (modp = modules->init_list; modp != NULL; modp = modp->next)
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{
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if ((*modp->fn) (sd) != SIM_RC_OK)
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return SIM_RC_FAIL;
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}
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return SIM_RC_OK;
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}
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/* Called when ever the simulator is resumed */
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SIM_RC
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sim_module_resume (SIM_DESC sd)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_RESUME_LIST *modp;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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for (modp = modules->resume_list; modp != NULL; modp = modp->next)
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{
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if ((*modp->fn) (sd) != SIM_RC_OK)
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return SIM_RC_FAIL;
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}
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return SIM_RC_OK;
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}
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/* Called when ever the simulator is suspended */
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SIM_RC
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sim_module_suspend (SIM_DESC sd)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_SUSPEND_LIST *modp;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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for (modp = modules->suspend_list; modp != NULL; modp = modp->next)
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{
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if ((*modp->fn) (sd) != SIM_RC_OK)
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return SIM_RC_FAIL;
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}
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return SIM_RC_OK;
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}
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/* Uninstall installed modules, called by sim_close. */
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void
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sim_module_uninstall (SIM_DESC sd)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_UNINSTALL_LIST *modp;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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/* Uninstall the modules. */
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for (modp = modules->uninstall_list; modp != NULL; modp = modp->next)
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(*modp->fn) (sd);
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/* clean-up init list */
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{
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MODULE_INIT_LIST *n, *d;
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for (d = modules->init_list; d != NULL; d = n)
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{
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n = d->next;
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free (d);
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}
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}
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/* clean-up resume list */
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{
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MODULE_RESUME_LIST *n, *d;
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for (d = modules->resume_list; d != NULL; d = n)
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{
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n = d->next;
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free (d);
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}
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}
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/* clean-up suspend list */
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{
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MODULE_SUSPEND_LIST *n, *d;
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for (d = modules->suspend_list; d != NULL; d = n)
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{
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n = d->next;
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free (d);
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}
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}
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/* clean-up uninstall list */
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{
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MODULE_UNINSTALL_LIST *n, *d;
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for (d = modules->uninstall_list; d != NULL; d = n)
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{
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n = d->next;
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free (d);
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}
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}
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/* clean-up info list */
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{
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MODULE_INFO_LIST *n, *d;
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for (d = modules->info_list; d != NULL; d = n)
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{
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n = d->next;
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free (d);
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}
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}
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free (modules);
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STATE_MODULES (sd) = NULL;
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}
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/* Called when ever simulator info is needed */
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void
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sim_module_info (SIM_DESC sd, int verbose)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_INFO_LIST *modp;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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for (modp = modules->info_list; modp != NULL; modp = modp->next)
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{
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(*modp->fn) (sd, verbose);
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}
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}
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/* Add FN to the init handler list.
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init in the same order as the install. */
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void
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sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST);
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MODULE_INIT_LIST **last;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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last = &modules->init_list;
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while (*last != NULL)
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last = &((*last)->next);
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l->fn = fn;
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l->next = NULL;
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*last = l;
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}
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/* Add FN to the resume handler list.
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resume in the same order as the install. */
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void
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sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST);
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MODULE_RESUME_LIST **last;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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last = &modules->resume_list;
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while (*last != NULL)
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last = &((*last)->next);
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l->fn = fn;
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l->next = NULL;
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*last = l;
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}
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/* Add FN to the init handler list.
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suspend in the reverse order to install. */
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void
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sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST);
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MODULE_SUSPEND_LIST **last;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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last = &modules->suspend_list;
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while (*last != NULL)
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last = &((*last)->next);
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l->fn = fn;
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l->next = modules->suspend_list;
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modules->suspend_list = l;
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}
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/* Add FN to the uninstall handler list.
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Uninstall in reverse order to install. */
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void
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sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST);
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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l->fn = fn;
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l->next = modules->uninstall_list;
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modules->uninstall_list = l;
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}
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/* Add FN to the info handler list.
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Report info in the same order as the install. */
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void
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sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn)
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{
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struct module_list *modules = STATE_MODULES (sd);
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MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST);
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MODULE_INFO_LIST **last;
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SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
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SIM_ASSERT (STATE_MODULES (sd) != NULL);
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last = &modules->info_list;
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while (*last != NULL)
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last = &((*last)->next);
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l->fn = fn;
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l->next = NULL;
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*last = l;
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}
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