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-rw-r--r--libsigsegv/src/stackvma.h48
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diff --git a/libsigsegv/src/stackvma.h b/libsigsegv/src/stackvma.h
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-/* Determine the virtual memory area of a given address.
- Copyright (C) 2002, 2006 Bruno Haible <bruno@clisp.org>
-
- 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 2, 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, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifndef _STACKVMA_H
-#define _STACKVMA_H
-
-/* Describes a virtual memory area, with some info about the gap between
- it and the next or previous virtual memory area. */
-struct vma_struct
-{
- unsigned long start;
- unsigned long end;
-#if STACK_DIRECTION < 0
- /* Info about the gap between this VMA and the previous one.
- addr must be < vma->start. */
- int (*is_near_this) (unsigned long addr, struct vma_struct *vma);
- /* Private field, not provided by all sigsegv_get_vma implementations. */
- unsigned long prev_end;
-#endif
-#if STACK_DIRECTION > 0
- /* Info about the gap between this VMA and the next one.
- addr must be > vma->end - 1. */
- int (*is_near_this) (unsigned long addr, struct vma_struct *vma);
- /* Private field, not provided by all sigsegv_get_vma implementations. */
- unsigned long next_start;
-#endif
-};
-
-/* Determines the virtual memory area to which a given address belongs,
- and returns 0. Returns -1 if it cannot be determined.
- This function is used to determine the stack extent when a fault occurs. */
-extern int sigsegv_get_vma (unsigned long address, struct vma_struct *vma);
-
-#endif /* _STACKVMA_H */