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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 - [WebAssembly] SDL2_mixer crash on linking with --relocatable"
href="https://bugs.llvm.org/show_bug.cgi?id=40204">40204</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[WebAssembly] SDL2_mixer crash on linking with --relocatable
</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>
<tr>
<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>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alonzakai@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, peter.smith@linaro.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=21284" name="attach_21284" title="libSDL2_mixer.a">attachment 21284</a> <a href="attachment.cgi?id=21284&action=edit" title="libSDL2_mixer.a">[details]</a></span>
libSDL2_mixer.a
Original report in
<a href="https://github.com/kripken/emscripten/issues/7702">https://github.com/kripken/emscripten/issues/7702</a>
Simplified STR:
wasm-ld --export-dynamic -z stack-size=5242880 --global-base=1024
--initial-memory=16777216 -o playwave --no-entry --allow-undefined
--import-memory --import-table --export __wasm_call_ctors --export __data_end
--lto-O0 playwave.o libSDL2_mixer.a --max-memory=16777216 -mllvm
-combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm
-disable-lsr --export main --export malloc --export free --export setThrew
--export __errno_location --export fflush --relocatable
Crash:
wasm-ld: /home/username/Dev/llvm/tools/lld/wasm/Symbols.cpp:78: uint32_t
lld::wasm::Symbol::getOutputSymbolIndex() const: Assertion `OutputSymbolIndex
!= INVALID_INDEX' failed.
Stack dump:
0. Program arguments: /home/username/Dev/llvm/build/bin/wasm-ld
--export-dynamic -z stack-size=5242880 --global-base=1024
--initial-memory=16777216 -o playwave --no-entry --allow-undefined
--import-memory --import-table --export __wasm_call_ctors --export __data_end
--lto-O0 playwave.o libSDL2_mixer.a --max-memory=16777216 -mllvm
-combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm
-disable-lsr --export main --export malloc --export free --export setThrew
--export __errno_location --export fflush --relocatable
#0 0x0000558a870103fa llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/username/Dev/llvm/build/bin/wasm-ld+0x5313fa)
#1 0x0000558a8700e924 llvm::sys::RunSignalHandlers()
(/home/username/Dev/llvm/build/bin/wasm-ld+0x52f924)
#2 0x0000558a8700ea52 SignalHandler(int)
(/home/username/Dev/llvm/build/bin/wasm-ld+0x52fa52)
#3 0x00007f329486e0c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x110c0)
#4 0x00007f3293489fcf gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x32fcf)
#5 0x00007f329348b3fa abort (/lib/x86_64-linux-gnu/libc.so.6+0x343fa)
#6 0x00007f3293482e37 (/lib/x86_64-linux-gnu/libc.so.6+0x2be37)
#7 0x00007f3293482ee2 (/lib/x86_64-linux-gnu/libc.so.6+0x2bee2)
#8 0x0000558a873c64a5 lld::wasm::Symbol::getOutputSymbolIndex() const
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8e74a5)
#9 0x0000558a873adf55
lld::wasm::ObjFile::calcNewIndex(llvm::wasm::WasmRelocation const&) const
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8cef55)
#10 0x0000558a873abd33
lld::wasm::InputChunk::writeRelocations(llvm::raw_ostream&) const
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8ccd33)
#11 0x0000558a873e989a
lld::wasm::CodeSection::writeRelocations(llvm::raw_ostream&) const
(/home/username/Dev/llvm/build/bin/wasm-ld+0x90a89a)
#12 0x0000558a873cb8ba (anonymous namespace)::Writer::createRelocSections()
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8ec8ba)
#13 0x0000558a873ce1bd (anonymous namespace)::Writer::createSections()
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8ef1bd)
#14 0x0000558a873d1426 (anonymous namespace)::Writer::run()
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8f2426)
#15 0x0000558a873d1b3b lld::wasm::writeResult()
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8f2b3b)
#16 0x0000558a873a4ef4 (anonymous
namespace)::LinkerDriver::link(llvm::ArrayRef<char const*>)
(/home/username/Dev/llvm/build/bin/wasm-ld+0x8c5ef4)
#17 0x0000558a873a17d9 lld::wasm::link(llvm::ArrayRef<char const*>, bool,
llvm::raw_ostream&) (/home/username/Dev/llvm/build/bin/wasm-ld+0x8c27d9)
#18 0x0000558a86ff70d9 main
(/home/username/Dev/llvm/build/bin/wasm-ld+0x5180d9)
#19 0x00007f32934772b1 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x202b1)
#20 0x0000558a86ff505a _start
(/home/username/Dev/llvm/build/bin/wasm-ld+0x51605a)
Aborted</pre>
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