62 lines
3.1 KiB
C
62 lines
3.1 KiB
C
/****************************************************************************
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* *
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* GNAT COMPILER COMPONENTS *
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* *
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* V X _ S T A C K _ I N F O *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 2007-2009 Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* As a special exception under Section 7 of GPL version 3, you are granted *
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* additional permissions described in the GCC Runtime Library Exception, *
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* version 3.1, as published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License and *
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* a copy of the GCC Runtime Library Exception along with this program; *
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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/* VxWorks-specific file to have access to task-specific data and be able
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to extract the stack boundaries for stack checking. */
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#include <taskLib.h>
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typedef struct
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{
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int size;
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char *base;
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char *end;
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} stack_info;
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/* __gnat_get_stack_info is used by s-stchop.adb only for VxWorks. This
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procedure fills the stack information associated to the currently
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executing task. */
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extern void __gnat_get_stack_info (stack_info *vxworks_stack_info);
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void
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__gnat_get_stack_info (stack_info *vxworks_stack_info)
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{
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TASK_DESC descriptor;
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/* Ask the VxWorks kernel about stack values */
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taskInfoGet (taskIdSelf (), &descriptor);
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/* Fill the stack data with the information provided by the kernel */
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vxworks_stack_info->size = descriptor.td_stackSize;
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vxworks_stack_info->base = descriptor.td_pStackBase;
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vxworks_stack_info->end = descriptor.td_pStackEnd;
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}
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