Merge pull request #11272 from gmilos/sr-5405-position-independent-executables-on-linux

Build position independent Linux binaries.

Author: jrose-apple

lib/Driver/ToolChains.cpp

@@ -1558,6 +1558,10 @@ toolchains::GenericUnix::constructInvocation(const LinkJobAction &job,
     Arguments.push_back(context.Args.MakeArgString(A->getValue()));
   }
 
+  if (getTriple().getOS() == llvm::Triple::Linux) {
+    Arguments.push_back("-pie");
+  }
+
   std::string Target = getTargetForLinker();
   if (!Target.empty()) {
     Arguments.push_back("-target");

utils/symbolicate-linux-fatal

@@ -58,13 +58,10 @@ def create_lldb_target(binary, memmap):
     lldb_target = lldb_debugger.CreateTargetWithFileAndArch(
         binary, lldb.LLDB_ARCH_DEFAULT)
     module = lldb_target.GetModuleAtIndex(0)
-    # lldb seems to treat main binary differently, slide offset must be zero
-    lldb_target.SetModuleLoadAddress(module, 0)
     for dynlib_path in memmap:
-        if binary not in dynlib_path:
-            module = lldb_target.AddModule(
-                dynlib_path, lldb.LLDB_ARCH_DEFAULT, None, None)
-            lldb_target.SetModuleLoadAddress(module, memmap[dynlib_path])
+        module = lldb_target.AddModule(
+            dynlib_path, lldb.LLDB_ARCH_DEFAULT, None, None)
+        lldb_target.SetModuleLoadAddress(module, memmap[dynlib_path])
     return lldb_target