From ed4f78fae8b9406f32cfe8cc47bd138aeb9d5540 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hongjiu.lu@intel.com>
Date: Tue, 13 Jan 2015 20:05:41 +0000
Subject: [PATCH] Add check_effective_target_pie

	* gcc.target/i386/pie.c: New test.

	* lib/target-supports.exp (check_effective_target_pie): New.

From-SVN: r219553
---
 gcc/testsuite/ChangeLog               |  6 ++++++
 gcc/testsuite/gcc.target/i386/pie.c   | 12 ++++++++++++
 gcc/testsuite/lib/target-supports.exp | 10 ++++++++++
 3 files changed, 28 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/i386/pie.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3263f13c58d..24e8b25de59 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2015-01-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.target/i386/pie.c: New test.
+
+	* lib/target-supports.exp (check_effective_target_pie): New.
+
 2015-01-13  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/64286
diff --git a/gcc/testsuite/gcc.target/i386/pie.c b/gcc/testsuite/gcc.target/i386/pie.c
new file mode 100644
index 00000000000..0a9f5eea0af
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pie.c
@@ -0,0 +1,12 @@
+/* { dg-do compile { target pie } } */
+/* { dg-options "-O2" } */
+
+int foo (void);
+
+int
+main (void)
+{
+  return foo ();
+}
+
+/* { dg-final { scan-assembler "foo@PLT" } } */
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index f5c6db851fc..0ac96466d4b 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -1080,6 +1080,16 @@ proc check_effective_target_nonpic { } {
     }]
 }
 
+# Return 1 if the current multilib generates PIE by default.
+
+proc check_effective_target_pie { } {
+    return [check_no_compiler_messages pie assembly {
+	#ifndef __PIE__
+	#error unsupported
+	#endif
+    }]
+}
+
 # Return 1 if the target does not use a status wrapper.
 
 proc check_effective_target_unwrapped { } {
-- 
2.30.2