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[Bug tapsets/12500] New: ptrace decoder
- From: "jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: Fri, 18 Feb 2011 23:17:19 +0000
- Subject: [Bug tapsets/12500] New: ptrace decoder
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=12500
Summary: ptrace decoder
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: tapsets
AssignedTo: systemtap@sources.redhat.com
ReportedBy: jan.kratochvil@redhat.com
Created attachment 5252
--> http://sourceware.org/bugzilla/attachment.cgi?id=5252
ptrace decoder.
Tested on:
F14 x86_64
RHEL-6.1 s390+s390x+ppc64
ia64 is untested
There is some room for improvements but it works fine.
probe syscall.ptrace.return
// TODO: _arch_ptrace_return would need to create probe variables - how?
- A function called from probe cannot create variables like `name'.
s390x:
// FIXME: ptrace of 32-bit debuggers is not caught by SystemTap,
// use +4 and +8 offsets for them
On RHEL-4/RHEL-5 there may be needed more #ifndef/#define's like now in
tapset/powerpc/syscalls.stp but I did not have systemtap-1.4/HEAD on those
boxes to test it.
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