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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-07-19 04:48:14 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 13:04:45 -0400
commitb111757c50ee30dad162192df6168e270a90c252 (patch)
tree49a38ddb2fd5f53ceb4f76c802c2185c1be9a6c6 /include/asm-alpha/a.out.h
parentf34e3b61f2be9628bd41244f3ecc42009c5eced5 (diff)
arch: personality independent stack top
New arch macro STACK_TOP_MAX it gives the larges valid stack address for the architecture in question. It differs from STACK_TOP in that it will not distinguish between personalities but will always return the largest possible address. This is used to create the initial stack on execve, which we will move down to the proper location once the binfmt code has figured out where that is. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ollie Wild <aaw@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-alpha/a.out.h')
-rw-r--r--include/asm-alpha/a.out.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-alpha/a.out.h b/include/asm-alpha/a.out.h
index d97daf42753..e43cf61649a 100644
--- a/include/asm-alpha/a.out.h
+++ b/include/asm-alpha/a.out.h
@@ -101,6 +101,8 @@ struct exec
101#define STACK_TOP \ 101#define STACK_TOP \
102 (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL) 102 (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL)
103 103
104#define STACK_TOP_MAX 0x00120000000UL
105
104#endif 106#endif
105 107
106#endif /* __A_OUT_GNU_H__ */ 108#endif /* __A_OUT_GNU_H__ */