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[lld][WebAssembly] Reject shared libraries when -static/-Bstatic is used #108263

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Merged
merged 1 commit into from
Sep 11, 2024
Merged

[lld][WebAssembly] Reject shared libraries when -static/-Bstatic is used #108263

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12 changes: 12 additions & 0 deletions lld/test/wasm/static-error.s
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
// RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
// RUN: wasm-ld --experimental-pic -shared -o %t.so %t.o

// RUN: wasm-ld --experimental-pic -pie -o /dev/null %t.o %t.so
// RUN: not wasm-ld -o /dev/null -static %t.o %t.so 2>&1 | FileCheck %s

// CHECK: attempted static link of dynamic object

.global _start
_start:
.functype _start () -> ()
end_function
10 changes: 8 additions & 2 deletions lld/wasm/Driver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -333,9 +333,15 @@ void LinkerDriver::addFile(StringRef path) {
return;
}
case file_magic::bitcode:
case file_magic::wasm_object:
files.push_back(createObjectFile(mbref, "", 0, inLib));
case file_magic::wasm_object: {
auto obj = createObjectFile(mbref, "", 0, inLib);
if (config->isStatic && isa<SharedFile>(obj)) {
error("attempted static link of dynamic object " + path);
break;
}
files.push_back(obj);
break;
}
case file_magic::unknown:
if (mbref.getBuffer().starts_with("#STUB")) {
files.push_back(make<StubFile>(mbref));
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