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Message-ID: <CACsECNc+Vu2LSPY1zaua9Cn9v61sLweMDU+Sfcnou8OvmDwNKQ@mail.gmail.com>
Date: Wed, 8 Jul 2015 16:24:45 +0200
From: Alex <alexinbeijing@...il.com>
To: musl@...ts.openwall.com
Subject: Re: [PATCH v9] Build process uses script to add CFI directives
to x86 asm
>> Then there are some labels which are declared as ".global" and
>> ".hidden", like __memcpy_fwd, __exp2l, and ___setjmp. It looks like
>> when any of those 3 are reached, there should be a return address on
>> top of the stack. What would you think of adding a ".type @function"
>> declaration for those 3, so that the CFI generation script will treat
>> them as "functions"?
>
> Do these matter? The exact same address is already an entry point
> via the other public name(s) you're supposed to use for it.
You're right, I just looked at the source and they don't matter.
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