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test/threaded_execve: fix on metag

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The metag ABI has stacks growing upwards so clone expects the stack
argument to point at the bottom of the stack instead of the top.

* test/threaded_execve.c [__metag__]: Define clone2 differently
to avoid a segfault at runtime.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
This commit is contained in:
James Hogan 2013-05-01 13:16:50 +01:00 committed by Dmitry V. Levin
parent 5cf23c53b8
commit 554e6f3240
1 changed files with 3 additions and 0 deletions
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test/threaded_execve.c
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@ -54,6 +54,9 @@
extern int __clone2(int (*fn) (void *), void *child_stack_base,
size_t stack_size, int flags, void *arg, ...);
#define clone2 __clone2
#elif defined(__metag__)
#define clone2(func, stack_base, size, flags, arg...) \
clone(func, stack_base, flags, arg)
#else
#define clone2(func, stack_base, size, flags, arg...) \
clone(func, (stack_base) + (size), flags, arg)