nuttx/sched/sched/sched_get_tls.c
Alin Jerpelea eb9030c891 sched: migrate to SPDX identifier
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-09-12 01:10:14 +08:00

81 lines
2.7 KiB
C

/****************************************************************************
* sched/sched/sched_get_tls.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "nuttx/sched.h"
#include "sched/sched.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxsched_get_tls
*
* Description:
* Get TLS of any task / tcb with no security checks.
*
* Input Parameters:
* tcb - The tcb to query.
*
* Returned Value:
* Pointer to the TLS structure.
*
****************************************************************************/
FAR struct tls_info_s *nxsched_get_tls(FAR struct tcb_s *tcb)
{
/* The TLS data lies at the lowest address of the stack allocation.
* This is true for both push-up and push-down stacks.
*/
return (FAR struct tls_info_s *)tcb->stack_alloc_ptr;
}
/****************************************************************************
* Name: nxsched_get_stackargs
*
* Description:
* Get args from thread's stack w/o security checks. The args are setup in
* nxtask_setup_stackargs().
*
* Input Parameters:
* tcb - The tcb to query.
*
* Returned Value:
* Pointer to a list of stack arguments ended by a NULL pointer.
*
****************************************************************************/
FAR char **nxsched_get_stackargs(FAR struct tcb_s *tcb)
{
/* The args data follows the TLS data */
return (FAR char**)((FAR char *)tcb->stack_alloc_ptr +
nxsched_get_tls(tcb)->tl_size);
}