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<base href="https://bugs.llvm.org/">
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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 - AArch64 ifunc broken: can't create dynamic relocation R_AARCH64_ADR_GOT_PAGE"
href="https://bugs.llvm.org/show_bug.cgi?id=40250">40250</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>AArch64 ifunc broken: can't create dynamic relocation R_AARCH64_ADR_GOT_PAGE
</td>
</tr>
<tr>
<th>Product</th>
<td>lld
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>ELF
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>eugeni.stepanov@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, peter.smith@linaro.org
</td>
</tr></table>
<p>
<div>
<pre># cat 1.cc
static void fff_impl() {}
extern "C"
void *fff_resolver() {
return (void *)&fff_impl;
}
__attribute__((ifunc("fff_resolver")))
void fff();
int use() {
long z = reinterpret_cast<long>(&fff);
if (z & 0xa)
return true;
else
return false;
}
# bin/clang++ ../llvm-project/1.cc -target aarch64-linux-android -fPIC
-shared -fuse-ld=lld -B ~/build/android-ndk-r18b/standalone-arm64-api24/
--sysroot ~/build/android-ndk-r18b/standalone-arm64-api24/sysroot/
-stdlib=libstdc++
ld.lld: error: can't create dynamic relocation R_AARCH64_ADR_GOT_PAGE against
symbol: fff() in readonly segment; recompile object files with -fPIC or pass
'-Wl,-z,notext' to allow text relocations in the output
<span class="quote">>>> defined in /tmp/1-c41c9b.o
>>> referenced by 1.cc
>>> /tmp/1-c41c9b.o:(use())</span >
ld.lld: error: can't create dynamic relocation R_AARCH64_LD64_GOT_LO12_NC
against symbol: fff() in readonly segment; recompile object files with -fPIC or
pass '-Wl,-z,notext' to allow text relocations in the output
<span class="quote">>>> defined in /tmp/1-c41c9b.o
>>> referenced by 1.cc
>>> /tmp/1-c41c9b.o:(use())</span >
clang-8: error: linker command failed with exit code 1 (use -v to see
invocation)</pre>
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