Re: [testsuite] Run TLS torture tests with -fpic etc.

[Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>]

Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> writes:

> As suggested by Joseph, the gcc.dg/torture/tls tests should be run with
> -fpic/-fPIC and -fpie/-fPIE if supported.
>
> The patch below implements part of this.  Unlike
> gcc.dg/torture/stackalign/stackalign.exp, I'm using the code below to
> add -fpic etc. to the torture options so it shows up in gcc.sum.
>
> Unfortunately, I have no idea how to properly test if -fpie/-fPIE is
> supported.  Jakub, do you have a suggestion?  Such a test could (and
> probably should) be used in the few tests we currently have for -fpie:
>
> gcc.dg/tls/pie-1.c, gcc.dg/pie-link.c, gcc.target/i386/pr39013-[12].c
>
> Bootstrapped without regression on i386-pc-solaris2.11.

After it has been determined how to check for PIE support, I'm checking
this in.

	Rainer


2011-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gcc.dg/torture/tls/tls.exp: Load torture-options.exp.
	Run tests with -fpic/-fPIC, -pie -fpie/-fPIE if supported.

diff --git a/gcc/testsuite/gcc.dg/torture/tls/tls.exp b/gcc/testsuite/gcc.dg/torture/tls/tls.exp
--- a/gcc/testsuite/gcc.dg/torture/tls/tls.exp
+++ b/gcc/testsuite/gcc.dg/torture/tls/tls.exp
@@ -1,4 +1,4 @@
-#   Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010, 2011 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -18,6 +18,7 @@
 
 # Load support procs.
 load_lib gcc-dg.exp
+load_lib torture-options.exp
 
 # If a testcase doesn't have special options, use these.
 global DEFAULT_CFLAGS
@@ -25,12 +26,32 @@ if ![info exists DEFAULT_CFLAGS] then {
     set DEFAULT_CFLAGS " -ansi -pedantic-errors"
 }
 
+global DG_TORTURE_OPTIONS LTO_TORTURE_OPTIONS
+set TLS_TORTURE_OPTIONS $DG_TORTURE_OPTIONS
+if { [check_effective_target_fpic] } then {
+    foreach pic {fpic fPIC} {
+	foreach option $DG_TORTURE_OPTIONS {
+	    lappend TLS_TORTURE_OPTIONS "$option -$pic"
+	}
+    }
+}
+if { [check_effective_target_pie] } then {
+    foreach pie {fpie fPIE} {
+	foreach option $DG_TORTURE_OPTIONS {
+	    lappend TLS_TORTURE_OPTIONS "$option -pie -$pie"
+	}
+    }
+}
+
 # Initialize `dg'.
 dg-init
+torture-init
+set-torture-options $TLS_TORTURE_OPTIONS {{}} $LTO_TORTURE_OPTIONS
 
 # Main loop.
 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] \
         $DEFAULT_CFLAGS
 
 # All done.
+torture-finish
 dg-finish


-- 
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Rainer Orth, Center for Biotechnology, Bielefeld University