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[FFI] Fix system library symbol lookup #18298

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Merged
merged 1 commit into from
Sep 10, 2025
Merged

[FFI] Fix system library symbol lookup #18298

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15 changes: 14 additions & 1 deletion ffi/src/ffi/extra/library_module_system_lib.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -69,12 +69,25 @@ class SystemLibrary final : public Library {
explicit SystemLibrary(const String& symbol_prefix) : symbol_prefix_(symbol_prefix) {}

void* GetSymbol(const String& name) final {
// The `name` might or might not already contain the symbol prefix.
// Therefore, we check both with and without the prefix.
String name_with_prefix = symbol_prefix_ + name;
return reg_->GetSymbol(name_with_prefix);
void* symbol = reg_->GetSymbol(name_with_prefix);
if (symbol != nullptr) {
return symbol;
}
return reg_->GetSymbol(name);
}

void* GetSymbolWithSymbolPrefix(const String& name) final {
// The `name` might or might not already contain the symbol prefix.
// Therefore, we check both with and without the prefix.
String name_with_prefix = symbol::tvm_ffi_symbol_prefix + symbol_prefix_ + name;
void* symbol = reg_->GetSymbol(name_with_prefix);
if (symbol != nullptr) {
return symbol;
}
name_with_prefix = symbol::tvm_ffi_symbol_prefix + name;
return reg_->GetSymbol(name_with_prefix);
}

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