[Bug uprobes/6879] does not currently support probing instruction first byte 0x65

[jkenisto at us dot ibm dot com]

------- Additional Comments From jkenisto at us dot ibm dot com  2008-09-11 23:23 -------
Created an attachment (id=2944)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2944&action=view)
Enable probing of instructions with the 0x65 (gs:) prefix

Here's a patch that changes i386, x86_64, and x86 uprobes so that they don't
reject probes on instructions with the 0x65 prefix.  I haven't tested it. 
Frank, could you give it a try?

I scanned a disassembly of libc on my i686 system and verified that none of the
other segment prefixes are used, but I haven't done an exhaustive search for
all possible opcodes.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6879

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