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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-391-gec3c800
- From: mark at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 1 Jul 2010 14:46:08 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-391-gec3c800
- Reply-to: systemtap at sourceware dot org
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commit ec3c800b3556d90be2b2e810d2f0a496ddaba08b
Author: Mark Wielaard <mjw@redhat.com>
Date: Thu Jul 1 16:42:30 2010 +0200
PR11444 Don't leak CONTEXT->regs in unwind, explicitly use task_pt_regs.
CONTEXT->regs might be kernel regs, or not set at all, so check whether
we have a real task and grab the task_pt_regs before proceeding.
* tapset/ucontext-unwind.stp (print_ubacktrace): Check current->mm
and grab task_pt_regs.
(print_ubacktrace_brief): Likewise.
(ubacktrace): Likewise.
commit 2d5adb4a12d25af743c06bd100b1623ec70b197a
Author: Mark Wielaard <mjw@redhat.com>
Date: Thu Jul 1 15:27:32 2010 +0200
Move compatibility defines for task_pt_regs from context.stp to compatdefs.h.
So task_pt_regs can be used in other tapset functions also.
* tapset/context.stp: Move backwards compatible task_pt_regs defines to ...
* runtime/compatdefs.h: ... here, and include an asm/ptrace.h include as
the tracehooks documentation says might contain another definition.
-----------------------------------------------------------------------
Summary of changes:
runtime/compatdefs.h | 16 +++++++++++
tapset/context.stp | 13 ---------
tapset/ucontext-unwind.stp | 63 ++++++++++++++++++++++++++++++-------------
3 files changed, 60 insertions(+), 32 deletions(-)
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systemtap: system-wide probe/trace tool