From b964366a9a282dee620651611c97c80311b11a8b Mon Sep 17 00:00:00 2001 From: Rafael Espindola Date: Wed, 2 Oct 2013 14:12:56 +0000 Subject: Add a -exported-symbol option to llvm-lto. Patch by Tom Roeder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191825 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/llvm-lto/llvm-lto.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'tools/llvm-lto/llvm-lto.cpp') diff --git a/tools/llvm-lto/llvm-lto.cpp b/tools/llvm-lto/llvm-lto.cpp index ab1e162ea5..3ecd13f5c7 100644 --- a/tools/llvm-lto/llvm-lto.cpp +++ b/tools/llvm-lto/llvm-lto.cpp @@ -45,6 +45,12 @@ OutputFilename("o", cl::init(""), cl::desc("Override output filename"), cl::value_desc("filename")); +static cl::list +ExportedSymbols("exported-symbol", + cl::desc("Symbol to export from the resulting object file"), + cl::ZeroOrMore); + + int main(int argc, char **argv) { // Print a stack trace if we signal out. sys::PrintStackTraceOnErrorSignal(); @@ -107,6 +113,10 @@ int main(int argc, char **argv) { } } + // Add all the exported symbols to the table of symbols to preserve. + for (unsigned i = 0; i < ExportedSymbols.size(); ++i) + CodeGen.addMustPreserveSymbol(ExportedSymbols[i].c_str()); + if (!OutputFilename.empty()) { size_t len = 0; std::string ErrorInfo; -- cgit v1.2.3