[Bug translator/16914] probe syscall.* fails with compilation error

["mcermak at redhat dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=16914

--- Comment #8 from Martin Cermak <mcermak at redhat dot com> ---
(In reply to David Smith from comment #7)
> I found an aarch64 machine I could access
> (running3.13.0-0.rc7.31.sa2.k32v1.aarch64.debug), built, installed, and got
> the following:
> 
> ====
> # stap -p4 -e 'probe syscall.* { log("hey!"); exit() }'
> In file included from
> /usr/src/kernels/3.13.0-0.rc7.31.sa2.k32v1.aarch64.debug/arch/arm64/include/
> asm/dma-mapping.h:27:0,
>                  from include/linux/dma-mapping.h:76,
>                  from include/linux/skbuff.h:33,
>                  from include/linux/netlink.h:6,
>                  from
> /tmp/stapSX3Lm0/stap_a9d73a0f48c94b332f8efe28f9c0739d_104773_src.c:127:
> /usr/src/kernels/3.13.0-0.rc7.31.sa2.k32v1.aarch64.debug/arch/arm64/include/
> asm/xen/hypervisor.h:1:50: fatal error:
> ../../arm/include/asm/xen/hypervisor.h: No such file or directory
>  #include <../../arm/include/asm/xen/hypervisor.h>
>                                                   ^
> compilation terminated.
> make[1]: ***
> [/tmp/stapSX3Lm0/stap_a9d73a0f48c94b332f8efe28f9c0739d_104773_src.o] Error 1
> make: *** [_module_/tmp/stapSX3Lm0] Error 2
> WARNING: kbuild exited with status: 2
> Pass 4: compilation failed.  [man error::pass4]
> ====
> 
> So that looks like a kernel problem, not a systemtap problem.


Right, This is rhbz1094366, known and fixed there in c#2

> 
> On your kernel, something odd is going on if things like __NR_open aren't
> defined. Can you try the following patch and see if that fixes things?
> 
> ====
> diff --git a/runtime/linux/compat_unistd.h b/runtime/linux/compat_unistd.h
> index 25ca1bd..11abc26 100644
> --- a/runtime/linux/compat_unistd.h
> +++ b/runtime/linux/compat_unistd.h
> @@ -11,6 +11,8 @@
>  #ifndef _COMPAT_UNISTD_H_
>  #define _COMPAT_UNISTD_H_
>  
> +#include <linux/unistd.h>
> +
>  #if defined(__x86_64__)
>  
>  // On older kernels (like RHEL5), we have to define our own 32-bit
> ====

applied to /usr/share/systemtap/runtime/linux/compat_unistd.h, but no change
compared to c#6.

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