Report an error if a non-PIC object file is given for an PIC output

rui314 · Jul 31, 2023 · e06d886 · e06d886
1 parent 9fe3d75
commit e06d886
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/elf/input-files.cc b/elf/input-files.cc
@@ -1094,6 +1094,11 @@ void ObjectFile<E>::scan_relocations(Context<E> &ctx) {
     for (ElfRel<E> &rel : cie.get_rels()) {
       Symbol<E> &sym = *this->symbols[rel.r_sym];
 
+      if (ctx.arg.pic && rel.r_type == E::R_ABS)
+        Error(ctx) << *this << ": relocation " << rel << " in .eh_frame can not"
+                   << " be used when making a position-independent output;"
+                   << " recompile with -fPIE or -fPIC";
+
       if (sym.is_imported) {
         if (sym.get_type() != STT_FUNC)
           Fatal(ctx) << *this << ": " << sym