nuttx/libs/libc/pthread/pthread_get_stackaddr_np.c
Xiang Xiao 2335b69120 arch: Allocate the space from the beginning in up_stack_frame
arch: Allocate the space from the beginning in up_stack_frame

and modify the affected portion:
1.Correct the stack dump and check
2.Allocate tls_info_s by up_stack_frame too
3.Move the stack fork allocation from arch to sched

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-04-16 12:41:41 +09:00

79 lines
2.9 KiB
C

/****************************************************************************
* libs/libc/pthread/pthread_get_stackaddr_np.c
*
* Copyright (C) 2018 Geoff Norton. All rights reserved.
* Author: Geoff Norton <grompf@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <pthread.h>
#include "nuttx/sched.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: pthread_get_stackaddr_np
*
* Description:
* Get a pointer to the base of the pthread stack
*
* Parameters:
* pthread_t - The pthread being queried
*
* Returned Value:
* The pthread stack address is returned on success. NULL is returned
* if the 'thread' argument does not refer to a valid pthread.
*
****************************************************************************/
FAR void *pthread_get_stackaddr_np(pthread_t thread)
{
struct stackinfo_s stackinfo;
int ret;
ret = nxsched_get_stackinfo((pid_t)thread, &stackinfo);
if (ret < 0)
{
return NULL;
}
return stackinfo.stack_base_ptr;
}