[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9-115-g436b47f

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9-115-g436b47f

[jistone]

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- Log -----------------------------------------------------------------
commit 436b47f678c2fc5397ed66a1eddf6b419cc6585b
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Mar 13 16:22:04 2009 -0700

    Move lookup_bad_addr call in STAPCONF_PROBE_KERNEL
    
    With most of the implementations, kread/kwrite call deref/store_deref,
    and so it makes sense to have lookup_bad_addr in the latter as an
    underlying address check.
    
    However, in the STAPCONF_PROBE_KERNEL case that uses probe_kernel_read
    and probe_kernel_write, the roles are reversed, so lookup_bad_addr needs
    to be in kread/kwrite.
    
    Also note that __deref_bad and __store_deref_bad should only be used in
    cases that can be determined at compile time.  These turn into invalid
    symbols which prevent the module from loading.  (They might be better
    replaced with compile-time assertions.)

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

Summary of changes:
 runtime/loc2c-runtime.h |   14 ++++++--------
 1 files changed, 6 insertions(+), 8 deletions(-)


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systemtap: system-wide probe/trace tool