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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [vx_stack_info.c] - Rev 724
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/**************************************************************************** * * * GNAT COMPILER COMPONENTS * * * * V X _ S T A C K _ I N F O * * * * C Implementation File * * * * Copyright (C) 2007-2009 Free Software Foundation, Inc. * * * * GNAT is free software; you can redistribute it and/or modify it under * * terms of the GNU General Public License as published by the Free Soft- * * ware Foundation; either version 3, or (at your option) any later ver- * * sion. GNAT is distributed in the hope that it will be useful, but WITH- * * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * * or FITNESS FOR A PARTICULAR PURPOSE. * * * * As a special exception under Section 7 of GPL version 3, you are granted * * additional permissions described in the GCC Runtime Library Exception, * * version 3.1, as published by the Free Software Foundation. * * * * You should have received a copy of the GNU General Public License and * * a copy of the GCC Runtime Library Exception along with this program; * * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * * <http://www.gnu.org/licenses/>. * * * * GNAT was originally developed by the GNAT team at New York University. * * Extensive contributions were provided by Ada Core Technologies Inc. * * * ****************************************************************************/ /* VxWorks-specific file to have access to task-specific data and be able to extract the stack boundaries for stack checking. */ #include <taskLib.h> typedef struct { int size; char *base; char *end; } stack_info; /* __gnat_get_stack_info is used by s-stchop.adb only for VxWorks. This procedure fills the stack information associated to the currently executing task. */ extern void __gnat_get_stack_info (stack_info *vxworks_stack_info); void __gnat_get_stack_info (stack_info *vxworks_stack_info) { TASK_DESC descriptor; /* Ask the VxWorks kernel about stack values */ taskInfoGet (taskIdSelf (), &descriptor); /* Fill the stack data with the information provided by the kernel */ vxworks_stack_info->size = descriptor.td_stackSize; vxworks_stack_info->base = descriptor.td_pStackBase; vxworks_stack_info->end = descriptor.td_pStackEnd; }
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