mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
291 lines
7.3 KiB
C
291 lines
7.3 KiB
C
/* The common simulator framework for GDB, the GNU Debugger.
|
|
|
|
Copyright 2002-2022 Free Software Foundation, Inc.
|
|
|
|
Contributed by Andrew Cagney and Red Hat.
|
|
|
|
This file is part of GDB.
|
|
|
|
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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* This must come before any other includes. */
|
|
#include "defs.h"
|
|
|
|
#include "hw-main.h"
|
|
#include "hw-base.h"
|
|
|
|
#include "sim-io.h"
|
|
#include "sim-assert.h"
|
|
|
|
struct hw_instance_data
|
|
{
|
|
hw_finish_instance_method *to_finish;
|
|
struct hw_instance *instances;
|
|
};
|
|
|
|
static hw_finish_instance_method abort_hw_finish_instance;
|
|
|
|
void
|
|
create_hw_instance_data (struct hw *me)
|
|
{
|
|
me->instances_of_hw = HW_ZALLOC (me, struct hw_instance_data);
|
|
set_hw_finish_instance (me, abort_hw_finish_instance);
|
|
}
|
|
|
|
void
|
|
delete_hw_instance_data (struct hw *me)
|
|
{
|
|
/* NOP */
|
|
}
|
|
|
|
|
|
static void
|
|
abort_hw_finish_instance (struct hw *hw,
|
|
struct hw_instance *instance)
|
|
{
|
|
hw_abort (hw, "no instance finish method");
|
|
}
|
|
|
|
void
|
|
set_hw_finish_instance (struct hw *me,
|
|
hw_finish_instance_method *finish)
|
|
{
|
|
me->instances_of_hw->to_finish = finish;
|
|
}
|
|
|
|
|
|
#if 0
|
|
void
|
|
clean_hw_instances (struct hw *me)
|
|
{
|
|
struct hw_instance **instance = &me->instances;
|
|
while (*instance != NULL)
|
|
{
|
|
struct hw_instance *old_instance = *instance;
|
|
hw_instance_delete (old_instance);
|
|
instance = &me->instances;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
void
|
|
hw_instance_delete (struct hw_instance *instance)
|
|
{
|
|
#if 1
|
|
hw_abort (hw_instance_hw (instance), "not implemented");
|
|
#else
|
|
struct hw *me = hw_instance_hw (instance);
|
|
if (instance->to_instance_delete == NULL)
|
|
hw_abort (me, "no delete method");
|
|
instance->method->delete (instance);
|
|
if (instance->args != NULL)
|
|
free (instance->args);
|
|
if (instance->path != NULL)
|
|
free (instance->path);
|
|
if (instance->child == NULL)
|
|
{
|
|
/* only remove leaf nodes */
|
|
struct hw_instance **curr = &me->instances;
|
|
while (*curr != instance)
|
|
{
|
|
ASSERT (*curr != NULL);
|
|
curr = &(*curr)->next;
|
|
}
|
|
*curr = instance->next;
|
|
}
|
|
else
|
|
{
|
|
/* check it isn't in the instance list */
|
|
struct hw_instance *curr = me->instances;
|
|
while (curr != NULL)
|
|
{
|
|
ASSERT (curr != instance);
|
|
curr = curr->next;
|
|
}
|
|
/* unlink the child */
|
|
ASSERT (instance->child->parent == instance);
|
|
instance->child->parent = NULL;
|
|
}
|
|
cap_remove (me->ihandles, instance);
|
|
free (instance);
|
|
#endif
|
|
}
|
|
|
|
|
|
static int
|
|
panic_hw_instance_read (struct hw_instance *instance,
|
|
void *addr,
|
|
unsigned_word len)
|
|
{
|
|
hw_abort (hw_instance_hw (instance), "no read method");
|
|
return -1;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
panic_hw_instance_write (struct hw_instance *instance,
|
|
const void *addr,
|
|
unsigned_word len)
|
|
{
|
|
hw_abort (hw_instance_hw (instance), "no write method");
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int
|
|
panic_hw_instance_seek (struct hw_instance *instance,
|
|
unsigned_word pos_hi,
|
|
unsigned_word pos_lo)
|
|
{
|
|
hw_abort (hw_instance_hw (instance), "no seek method");
|
|
return -1;
|
|
}
|
|
|
|
|
|
int
|
|
hw_instance_call_method (struct hw_instance *instance,
|
|
const char *method_name,
|
|
int n_stack_args,
|
|
unsigned_cell stack_args[/*n_stack_args*/],
|
|
int n_stack_returns,
|
|
unsigned_cell stack_returns[/*n_stack_args*/])
|
|
{
|
|
#if 1
|
|
hw_abort (hw_instance_hw (instance), "not implemented");
|
|
return -1;
|
|
#else
|
|
struct hw *me = instance->owner;
|
|
const hw_instance_methods *method = instance->method->methods;
|
|
if (method == NULL)
|
|
{
|
|
hw_abort (me, "no methods (want %s)", method_name);
|
|
}
|
|
while (method->name != NULL)
|
|
{
|
|
if (strcmp (method->name, method_name) == 0)
|
|
{
|
|
return method->method (instance,
|
|
n_stack_args, stack_args,
|
|
n_stack_returns, stack_returns);
|
|
}
|
|
method++;
|
|
}
|
|
hw_abort (me, "no %s method", method_name);
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
#define set_hw_instance_read(instance, method)\
|
|
((instance)->to_instance_read = (method))
|
|
|
|
#define set_hw_instance_write(instance, method)\
|
|
((instance)->to_instance_write = (method))
|
|
|
|
#define set_hw_instance_seek(instance, method)\
|
|
((instance)->to_instance_seek = (method))
|
|
|
|
|
|
#if 0
|
|
static void
|
|
set_hw_instance_finish (struct hw *me,
|
|
hw_instance_finish_method *method)
|
|
{
|
|
if (me->instances_of_hw == NULL)
|
|
me->instances_of_hw = HW_ZALLOC (me, struct hw_instance_data);
|
|
me->instances_of_hw->to_finish = method;
|
|
}
|
|
#endif
|
|
|
|
|
|
struct hw_instance *
|
|
hw_instance_create (struct hw *me,
|
|
struct hw_instance *parent,
|
|
const char *path,
|
|
const char *args)
|
|
{
|
|
struct hw_instance *instance = ZALLOC (struct hw_instance);
|
|
/*instance->unit*/
|
|
/* link this instance into the devices list */
|
|
instance->hw_of_instance = me;
|
|
instance->parent_of_instance = NULL;
|
|
/* link this instance into the front of the devices instance list */
|
|
instance->sibling_of_instance = me->instances_of_hw->instances;
|
|
me->instances_of_hw->instances = instance;
|
|
if (parent != NULL)
|
|
{
|
|
ASSERT (parent->child_of_instance == NULL);
|
|
parent->child_of_instance = instance;
|
|
instance->parent_of_instance = parent;
|
|
}
|
|
instance->args_of_instance = hw_strdup (me, args);
|
|
instance->path_of_instance = hw_strdup (me, path);
|
|
set_hw_instance_read (instance, panic_hw_instance_read);
|
|
set_hw_instance_write (instance, panic_hw_instance_write);
|
|
set_hw_instance_seek (instance, panic_hw_instance_seek);
|
|
hw_handle_add_ihandle (me, instance);
|
|
me->instances_of_hw->to_finish (me, instance);
|
|
return instance;
|
|
}
|
|
|
|
|
|
struct hw_instance *
|
|
hw_instance_interceed (struct hw_instance *parent,
|
|
const char *path,
|
|
const char *args)
|
|
{
|
|
#if 1
|
|
return NULL;
|
|
#else
|
|
struct hw_instance *instance = ZALLOC (struct hw_instance);
|
|
/*instance->unit*/
|
|
/* link this instance into the devices list */
|
|
if (me != NULL)
|
|
{
|
|
ASSERT (parent == NULL);
|
|
instance->hw_of_instance = me;
|
|
instance->parent_of_instance = NULL;
|
|
/* link this instance into the front of the devices instance list */
|
|
instance->sibling_of_instance = me->instances_of_hw->instances;
|
|
me->instances_of_hw->instances = instance;
|
|
}
|
|
if (parent != NULL)
|
|
{
|
|
struct hw_instance **previous;
|
|
ASSERT (parent->child_of_instance == NULL);
|
|
parent->child_of_instance = instance;
|
|
instance->owner = parent->owner;
|
|
instance->parent_of_instance = parent;
|
|
/* in the devices instance list replace the parent instance with
|
|
this one */
|
|
instance->next = parent->next;
|
|
/* replace parent with this new node */
|
|
previous = &instance->owner->instances;
|
|
while (*previous != parent)
|
|
{
|
|
ASSERT (*previous != NULL);
|
|
previous = &(*previous)->next;
|
|
}
|
|
*previous = instance;
|
|
}
|
|
instance->data = data;
|
|
instance->args = (args == NULL ? NULL : (char *) strdup (args));
|
|
instance->path = (path == NULL ? NULL : (char *) strdup (path));
|
|
cap_add (instance->owner->ihandles, instance);
|
|
return instance;
|
|
#endif
|
|
}
|