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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Regression(r236060): Building .S files in android asan mode is broken"
href="https://llvm.org/bugs/show_bug.cgi?id=23375">23375</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Regression(r236060): Building .S files in android asan mode is broken
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nicolasweber@gmx.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Repro:
$ curl
'<a href="https://boringssl.googlesource.com/boringssl/+/master/crypto/chacha/chacha_vec_arm.S?format=TEXT">https://boringssl.googlesource.com/boringssl/+/master/crypto/chacha/chacha_vec_arm.S?format=TEXT</a>'
| base64 --decode > tmp.S
$ path/to/clang -march=armv7-a -mtune=generic-armv7-a -mfpu=vfpv3-d16
-mfloat-abi=softfp -mthumb -no-integrated-as
-B/path/to/third_party/android_tools/ndk//toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin
-marm -fsanitize=address -fsanitize=leak
--sysroot=path/to/third_party/android_tools/ndk//platforms/android-14/arch-arm
-target arm-linux-androideabi -mllvm -asan-globals=0 -c tmp.S -o tmp.o
$ path/to/clang -shared -fPIC
-B/path/to/third_party/binutils/Linux_x64/Release/bin -fuse-ld=gold
-fsanitize=address -fsanitize=leak
--sysroot=path/to/third_party/android_tools/ndk//platforms/android-14/arch-arm
-nostdlib -target arm-linux-androideabi tmp.o
Used to work. Now:
error:
/usr/local/google/home/thakis/src/llvm-build/bin/../lib/clang/3.7.0/lib/linux/libclang_rt.asan-arm-android.so
uses VFP register arguments, output does not
(libclang_rt.asan-arm-android.so was built with the same clang as the output
files, but possibly with different fp flags.)</pre>
</div>
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