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expose the STACK_* macros to userland if __EXPOSE_STACK is defined.

This commit is contained in:
chs 2004-07-18 21:21:34 +00:00
parent 42ad308b8b
commit 08abf06dcb
1 changed files with 3 additions and 3 deletions
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6
sys/sys/param.h
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@ -1,4 +1,4 @@
/* $NetBSD: param.h,v 1.198 2004/07/01 10:03:32 hannken Exp $ */
/* $NetBSD: param.h,v 1.199 2004/07/18 21:21:34 chs Exp $ */
/*-
* Copyright (c) 1982, 1986, 1989, 1993
@ -156,7 +156,7 @@
* the maximum (in the "maxsaddr" sense) stack address of the
* allocated memory.
*/
#ifdef _KERNEL
#if defined(_KERNEL) || defined(__EXPOSE_STACK)
#ifdef __MACHINE_STACK_GROWS_UP
#define STACK_GROW(sp, _size) (((caddr_t)(sp)) + (_size))
#define STACK_SHRINK(sp, _size) (((caddr_t)(sp)) - (_size))
@ -172,7 +172,7 @@
#define STACK_ALLOC(sp, _size) (((caddr_t)(sp)) - (_size))
#define STACK_MAX(p, _size) ((caddr_t)(p))
#endif
#endif /* _KERNEL */
#endif /* defined(_KERNEL) || defined(__EXPOSE_STACK) */
/*
* Priorities. Note that with 32 run queues, differences less than 4 are