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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - __executable_start doesn't get added to executables"
href="https://bugs.llvm.org/show_bug.cgi?id=40134">40134</a>
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<th>Summary</th>
<td>__executable_start doesn't get added to executables
</td>
</tr>
<tr>
<th>Product</th>
<td>lld
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>ELF
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>thomasanderson@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, peter.smith@linaro.org
</td>
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<p>
<div>
<pre>__executable_start (and other symbols like __ehdr_start) do not get added by
lld unless -shared is used.
$ cat main.c
#include <stdio.h>
extern char __executable_start;
int main(void) {
printf("%p\n", &__executable_start);
return 0;
}
$ clang main.c -c -o main.o -fpic
$ clang main.o -o main -fuse-ld=bfd
$ clang main.o -o main -fuse-ld=gold
$ clang main.o -o main.so -fuse-ld=lld -shared
$ clang main.o -o main -fuse-ld=lld
/usr/bin/ld.lld: error: main.c:(function main): undefined symbol
'__executable_start'
clang: error: linker command failed with exit code 1 (use -v to see invocation)</pre>
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</p>
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