Created attachment 2432 [details]
basic test stp script

When testing crosstap on M3-RC1 (poky 40d80f9e019118ac7bcd268f21e350bc154a4a63) on qemuarm/qemupcc, we have encountered the following errors:

$ ./crosstap root@192.168.7.2 HelloWorld.stp
poky/scripts poky/scripts
poky/scripts

In file included from poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/linux/task_finder.c:17:0,
                 from poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/linux/runtime.h:214,
                 from poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/runtime.h:24,
                 from /tmp/stap5jhxxF/HelloWorld_src.c:31:
poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/linux/task_finder2.c: In function '__stp_call_mmap_callbacks_with_addr':
poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/linux/task_finder2.c:695:24: error: 'struct file' has no member named 'f_dentry'
   dentry = vma->vm_file->f_dentry;
                        ^
poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/linux/task_finder2.c: In function '__stp_call_mmap_callbacks_for_task':
poky/build/tmp/sysroots/x86_64-linux/usr/share/systemtap/runtime/linux/task_finder2.c:1198:42: error: 'struct file' has no member named 'f_dentry'
        vma_cache_p->dentry = vma->vm_file->f_dentry;
                                          ^
make[3]: *** [/tmp/stap5jhxxF/HelloWorld_src.o] Error 1
make[2]: *** [_module_/tmp/stap5jhxxF] Error 2
make[1]: *** [sub-make] Error 2
make: *** [__sub-make] Error 2
WARNING: kbuild exited with status: 2
Pass 4: compilation failed.  [man error::pass4]

Same issue occurs when executing trace_open.stp. 

Test host was Ubuntu 14.04 LTS, x86_64.