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From: Florian Weimer <fw@deneb.enyo.de>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Generic System V Application Binary Interface
	<generic-abi@googlegroups.com>,
	 gnu-gabi@sourceware.org
Subject: Re: RFC: Audit external function called indirectly via GOT
Date: Mon, 01 Jan 2018 00:00:00 -0000	[thread overview]
Message-ID: <87370txhr1.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <CAMe9rOq3_U_T88+j8teyGRrrFoHWbvS=D+hHSBHZ01gQTWy=Hw@mail.gmail.com>	(H. J. Lu's message of "Tue, 20 Mar 2018 09:52:17 -0700")

* H. J. Lu:

>> Could we ship a template for the PLT entries in ld.so instead?  And if
>> needed, map it from the file together with an address array, like this?
>
> This won't work since linker needs to know exactly PLT layout to generate
> JUMP_SLOT relocations for LD_AUDIT.

Why would we need JUMP_SLOT relocations?  Couldn't we install suitable
interceptors for GLOB_DAT relocations instead, as long as they resolve
to external function symbols?

  reply	other threads:[~2018-03-21 21:04 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-01  0:00 H.J. Lu
2018-01-01  0:00 ` Cary Coutant
2018-01-01  0:00   ` Carlos O'Donell
2018-01-01  0:00     ` Cary Coutant
2018-01-01  0:00       ` H.J. Lu
2018-01-01  0:00         ` Cary Coutant
2018-01-01  0:00           ` H.J. Lu
2018-01-01  0:00           ` Cary Coutant
2018-01-01  0:00       ` Alan Modra
2018-01-01  0:00         ` H.J. Lu
2018-01-01  0:00           ` Alan Modra
2018-01-01  0:00             ` H.J. Lu
2018-01-01  0:00 ` Florian Weimer
2018-01-01  0:00   ` H.J. Lu
2018-01-01  0:00     ` Florian Weimer [this message]
2018-01-01  0:00       ` Carlos O'Donell
2018-01-01  0:00         ` Florian Weimer
2018-01-01  0:00           ` H.J. Lu
2018-01-01  0:00           ` Carlos O'Donell
2018-01-01  0:00             ` Florian Weimer
2018-01-01  0:00               ` H.J. Lu
2018-01-01  0:00                 ` Florian Weimer
2018-01-01  0:00                   ` H.J. Lu
2018-01-01  0:00             ` Cary Coutant
2018-01-01  0:00               ` H.J. Lu
2018-01-01  0:00                 ` Cary Coutant
2018-01-01  0:00                   ` H.J. Lu
2018-01-01  0:00                     ` Cary Coutant
2018-01-01  0:00             ` H.J. Lu
2018-01-01  0:00               ` Carlos O'Donell
2018-01-01  0:00     ` Florian Weimer
2018-01-01  0:00       ` H.J. Lu
2018-01-01  0:00         ` Florian Weimer

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