* ld-selective: New directory with new files to test

       selective linking.

       * lib/ld-lib.exp (ld_nm):  Strip leading underscore from $name.

diff --git a/ld/testsuite/ld-selective/1.c b/ld/testsuite/ld-selective/1.c
new file mode 100644 (file)
index 0000000..1202367
--- /dev/null
+++ b/ld/testsuite/ld-selective/1.c
@@ -0,0 +1,12 @@
+/* _start should be the only thing left after GC.  */
+
+void _start() __asm__("_start");
+void _start()
+{
+}
+
+void dropme1()
+{
+}
+
+int dropme2[102] = { 0 };

diff --git a/ld/testsuite/ld-selective/2.c b/ld/testsuite/ld-selective/2.c
new file mode 100644 (file)
index 0000000..7295887
--- /dev/null
+++ b/ld/testsuite/ld-selective/2.c
@@ -0,0 +1,19 @@
+/* Normally we should loose foo and keep _start and _init. 
+   With -u foo, we should keep that as well.  */
+
+void _start() __asm__("_start");
+void _start()
+{
+}
+
+void __attribute__((section(".init")))
+_init()
+{
+}
+
+int foo() __asm__("foo");
+int foo()
+{
+  static int x = 1;
+  return x++;
+}

diff --git a/ld/testsuite/ld-selective/3.cc b/ld/testsuite/ld-selective/3.cc
new file mode 100644 (file)
index 0000000..852bc5d
--- /dev/null
+++ b/ld/testsuite/ld-selective/3.cc
@@ -0,0 +1,33 @@
+struct A
+{
+  virtual void foo();
+  virtual void bar();
+};
+
+void A::foo() { }                      // keep
+void A::bar() { }                      // loose
+
+struct B : public A
+{
+  virtual void foo();
+};
+
+void B::foo() { }                      // keep
+
+void _start() __asm__("_start");       // keep
+
+A a;                                   // keep
+B b;
+A *getme() { return &a; }              // keep
+
+void _start()
+{
+  getme()->foo();
+}
+
+// In addition, keep A's virtual table.
+
+// We'll wind up keeping `b' and thus B's virtual table because
+// `a' and `b' are both referenced from the constructor function.
+
+extern "C" void __main() { }

diff --git a/ld/testsuite/ld-selective/4.cc b/ld/testsuite/ld-selective/4.cc
new file mode 100644 (file)
index 0000000..9df26ac
--- /dev/null
+++ b/ld/testsuite/ld-selective/4.cc
@@ -0,0 +1,28 @@
+struct A
+{
+  virtual void foo();
+  virtual void bar();
+};
+
+void A::foo() { }                      // loose
+void A::bar() { }                      // keep
+
+struct B : public A
+{
+  virtual void foo();
+};
+
+void B::foo() { }                      // loose
+
+void _start() __asm__("_start");       // keep
+
+A a;                                   // keep
+B b;
+A *getme() { return &a; }              // keep
+
+void _start()
+{
+  getme()->bar();
+}
+
+extern "C" void __main() { }