[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-251-geacd41d

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-251-geacd41d

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- Log -----------------------------------------------------------------
commit eacd41d38bfec95e39f32d399ecc4e4f98eafe3d
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Sep 23 13:34:37 2011 +0200

    stack.c (_stp_get_uregs): Recover user registers from kernel context.
    
    When possible recover full pt_regs user register set by unwinding
    using kernel context till we hit user space.

commit 1a77e40cbe656d58d9779f51b12280727f84f500
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Sep 23 13:18:32 2011 +0200

    unwind.c (adjustStartLoc): Call stap_find_vma_map_info_user() only on task.
    
    For kernel modules the mapped address is found in the section static_addr.

commit e89986ca48fa7859cddd52be6b436443d2740a32
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Sep 23 13:07:07 2011 +0200

    _stp_current_pt_regs() helper, explicitly checks current->mm.
    
    task_pt_regs(current) is only valid when current->mm has been setup.

-----------------------------------------------------------------------

Summary of changes:
 runtime/compatdefs.h     |    4 ++++
 runtime/stack.c          |   46 ++++++++++++++++++++++++++++++++++++++++++++--
 runtime/unwind.c         |    2 +-
 runtime/unwind/i386.h    |    5 +++++
 runtime/unwind/x86_64.h  |    5 +++++
 tapset/context.stp       |    4 +---
 tapset/s390/syscalls.stp |    2 +-
 tapset/syscalls2.stp     |    2 +-
 8 files changed, 62 insertions(+), 8 deletions(-)


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systemtap: system-wide probe/trace tool