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Commit be006f6d authored by Quddus Chong's avatar Quddus Chong
Browse files

docs: Added behavior change for dynamic linker when app requests for a 

shared library with text relocations to be loaded.
bug: 24106254

Change-Id: I25c389cd37d1fa3a2d80221da2041169b786be71
parent 84a666dc

docs/html/preview/behavior-changes.jd

+9 −0
Original line number Diff line number Diff line
@@ -308,6 +308,15 @@ implemented. Apps which previously worked that have bad {@code DT_NEEDED} entrie 
{@code dlopen(3)} (as opposed to being referenced by {@code DT_NEEDED} entries).</p>

</p>



<p>

On previous versions of Android, if your app requested the system to load a shared library with

text relocations, the system displayed a warning but still allowed the library to be loaded.

Beginning in this release, the system rejects this library if your app's target SDK version is 23

or higher. To help you detect if a library failed to load, your app should log the

{@code dlopen(3)} failure, and include the problem description text that the {@code dlerror(3)}

call returns. To learn more about handling text relocations, see this

<a href="https://wiki.gentoo.org/wiki/Hardened/Textrels_Guide" class="external-link">guide</a>.</p>



<h2 id="behavior-hardware-id">Access to Hardware Identifier</h2>

<p>To provide users with greater data protection, starting in this release, Android

removes programmatic access to the device’s local hardware identifier for