Add TLS checks to ObjC

	* objc-obj-c++-shared/Object1.m: New.
	* objc.dg/torture: New directory.
	* objc.dg/torture/tls: Ditto.
	* objc.dg/tls: Ditto.
	* objc.dg/torture/tls/trivial.m: New test.
	* objc.dg/torture/tls/thr-init-2.m: New test.
	* objc.dg/torture/tls/thr-init-3.m: New test.
	* objc.dg/torture/tls/thr-init.m: New test.
	* objc.dg/torture/tls/diag-1.m: New test.
	* objc.dg/torture/tls/tls.exp: New.
	* objc.dg/torture/trivial.m: New test.
	* objc.dg/torture/dg-torture.exp: New.
	* objc.dg/tls/diag-3.m: New test.
	* objc.dg/tls/diag-4.m: New test.
	* objc.dg/tls/diag-5.m: New test.
	* objc.dg/tls/init-1.m: New test.
	* objc.dg/tls/init-2.m: New test.
	* objc.dg/tls/tls.exp: New.
	* objc.dg/tls/diag-2.m: New test.
	* lib/objc.exp: Respond to dg-additional-files.

From-SVN: r159311

gcc/testsuite/ChangeLog

+2010-05-12  Iain Sandoe  <iains@gcc.gnu.org>
+
+	* objc-obj-c++-shared/Object1.m: New.
+	* objc.dg/torture: New directory.
+	* objc.dg/torture/tls: Ditto.
+	* objc.dg/tls: Ditto.
+	* objc.dg/torture/tls/trivial.m: New test.
+	* objc.dg/torture/tls/thr-init-2.m: New test.
+	* objc.dg/torture/tls/thr-init-3.m: New test.
+	* objc.dg/torture/tls/thr-init.m: New test.
+	* objc.dg/torture/tls/diag-1.m: New test.
+	* objc.dg/torture/tls/tls.exp: New.
+	* objc.dg/torture/trivial.m: New test.
+	* objc.dg/torture/dg-torture.exp: New.
+	* objc.dg/tls/diag-3.m: New test.
+	* objc.dg/tls/diag-4.m: New test.
+	* objc.dg/tls/diag-5.m: New test.
+	* objc.dg/tls/init-1.m: New test.
+	* objc.dg/tls/init-2.m: New test.
+	* objc.dg/tls/tls.exp: New.
+	* objc.dg/tls/diag-2.m: New test.
+	* lib/objc.exp: Respond to dg-additional-files.
+
 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
 
 	* gcc.target/m68k/20100512-1.c: New.

gcc/testsuite/objc-obj-c++-shared/Object1.m

+#import "Object1.h"
+/* This will generate the code if required - as determined by
+   the headr above.  It is kept like this to keep one code file
+   shared between dg-xxxx tests that can ask for an extra source
+   and the objc/{compile,execute}/xxx tests that have to include
+   the implementation explicitly.
+   
+   For cases/targets that don't require the generation of the
+   Object implementation, this should result in an empty object.
+*/
+#import "Object1-implementation.h"

gcc/testsuite/objc.dg/dg.exp

@@ -27,14 +27,15 @@ if ![info exists DEFAULT_CFLAGS] then {
 # Initialize `dg'.
 dg-init
 
+# Gather a list of all tests.
+set tests [lsort [glob -nocomplain $srcdir/$subdir/*.m]]
+
 # Main loop.
-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[m\]]] \
-	"-fgnu-runtime" $DEFAULT_CFLAGS
+dg-runtest $tests "-fgnu-runtime" $DEFAULT_CFLAGS
 
 # darwin targets can also run code with the NeXT runtime.
 if [istarget "*-*-darwin*" ] {
-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[m\]]] \
-	"-fnext-runtime" $DEFAULT_CFLAGS
+  dg-runtest $tests "-fnext-runtime" $DEFAULT_CFLAGS
 }
 
 # All done.

gcc/testsuite/objc.dg/tls/diag-2.m

+/* Invalid __thread specifiers.  */
+/* { dg-require-effective-target tls } */
+
+__thread extern int g1;		/* { dg-error "'__thread' before 'extern'" } */
+__thread static int g2;		/* { dg-error "'__thread' before 'static'" } */
+__thread __thread int g3;	/* { dg-error "duplicate '__thread'" } */
+typedef __thread int g4;	/* { dg-error " '__thread' used with 'typedef'" } */
+
+void foo()
+{
+  __thread int l1;		/* { dg-error "implicitly auto and declared '__thread'" } */
+  auto __thread int l2;		/* { dg-error "'__thread' used with 'auto'" } */
+  __thread extern int l3;	/* { dg-error "'__thread' before 'extern'" } */
+  register __thread int l4;	/* { dg-error "'__thread' used with 'register'" } */
+}
+
+__thread void f1 ();		/* { dg-error "invalid storage class for function 'f1'" } */
+extern __thread void f2 ();	/* { dg-error "invalid storage class for function 'f2'" } */
+static __thread void f3 ();	/* { dg-error "invalid storage class for function 'f3'" } */
+__thread void f4 () { }		/* { dg-error "function definition declared '__thread'" } */
+
+void bar(__thread int p1);	/* { dg-error "(invalid in parameter)|(specified for parameter)" } */
+
+struct A {
+  __thread int i;		/* { dg-error "expected specifier-qualifier-list before '__thread'" } */
+};

gcc/testsuite/objc.dg/tls/diag-3.m

+/* Report invalid extern and __thread combinations. */
+/* { dg-require-effective-target tls } */
+
+extern int j;		/* { dg-message "previous declaration of 'j' was here" } */
+__thread int j;		/* { dg-error "follows non-thread-local" } */
+
+extern __thread int i;	/* { dg-message "previous declaration of 'i' was here" } */
+int i;			/* { dg-error "follows thread-local" } */
+
+extern __thread int k;	/* This is fine. */
+__thread int k;

gcc/testsuite/objc.dg/tls/diag-4.m

+/* Invalid __thread specifiers.  */
+/* { dg-require-effective-target tls } */
+
+__thread typedef int g4;	/* { dg-error "'__thread' used with 'typedef'" } */
+
+void foo()
+{
+  __thread auto int l2;		/* { dg-error "'__thread' used with 'auto'" } */
+  __thread register int l4;	/* { dg-error "'__thread' used with 'register'" } */
+}

gcc/testsuite/objc.dg/tls/diag-5.m

+/* __thread specifiers on empty declarations.  */
+/* { dg-require-effective-target tls } */
+
+__thread struct foo; /* { dg-warning "useless '__thread' in empty declaration" } */

gcc/testsuite/objc.dg/tls/init-1.m

+/* Invalid initializations.  */
+/* { dg-require-effective-target tls } */
+
+extern __thread int i;
+int *p = &i;	/* { dg-error "initializer element is not constant" } */

gcc/testsuite/objc.dg/tls/init-2.m

+/* Invalid initializations.  */
+/* { dg-require-effective-target tls } */
+
+extern __thread int i;
+__thread int *p = &i;	/* { dg-error "initializer element is not constant" } */
+
+extern int f();
+__thread int j = f();	/* { dg-error "initializer element is not constant" } */
+
+struct S
+{
+  S(); 			/* { dg-error "expected specifier-qualifier-list before 'S'" } */
+};
+__thread S s;		/* { dg-error "expected" } two errors here */

gcc/testsuite/objc.dg/tls/tls.exp

+
+# Load support procs.
+load_lib objc-dg.exp
+
+# If a testcase doesn't have special options, use these.
+global DEFAULT_CFLAGS
+if ![info exists DEFAULT_CFLAGS] then {
+    set DEFAULT_CFLAGS ""
+}
+
+# Initialize `dg'.
+dg-init
+
+# Gather a list of all tests.
+set tests [lsort [glob -nocomplain $srcdir/$subdir/*.m]]
+
+# Main loop.
+dg-runtest $tests "-fgnu-runtime" $DEFAULT_CFLAGS
+
+# darwin targets can also run code with the NeXT runtime.
+if [istarget "*-*-darwin*" ] {
+  dg-runtest $tests "-fnext-runtime" $DEFAULT_CFLAGS
+}
+
+# All done.
+dg-finish

gcc/testsuite/objc.dg/torture/dg-torture.exp

+# This harness is for tests that should be run at all optimisation levels.
+
+load_lib objc-dg.exp
+
+dg-init
+
+# Gather a list of all tests.
+set tests [lsort [glob -nocomplain $srcdir/$subdir/*.m]]
+
+objc-dg-runtest $tests "-fgnu-runtime"
+
+# darwin targets can also run code with the NeXT runtime.
+if [istarget "*-*-darwin*" ] {
+  objc-dg-runtest $tests "-fnext-runtime"
+}
+
+dg-finish

gcc/testsuite/objc.dg/torture/tls/diag-1.m

+// Valid __thread specifiers.
+// { dg-require-effective-target tls }
+
+__thread int g1;
+extern __thread int g2;
+static __thread int g3;
+
+void foo()
+{
+  extern __thread int l1;
+  static __thread int l2;
+}

gcc/testsuite/objc.dg/torture/tls/thr-init-2.m

+// { dg-require-effective-target tls }
+// { dg-do run }
+
+extern void _exit(int);
+
+__thread int glb =1 ;
+
+static __thread int fstat = 2;
+
+int fa(int a)
+{
+static __thread int as = 3;
+  as += a ;
+  return as;
+}
+
+int fb(int b)
+{
+static __thread int bs = 4;
+  bs += b ;
+  glb = bs;
+  return bs;
+}
+
+int main (int ac, char *av[])
+{
+  int a = 1;
+  
+  a = fa(fstat);
+  if ( a != 5 ) 
+    _exit (-(__LINE__)) ;
+
+  a = fa(glb);
+  if ( a != 6 ) 
+    _exit (-(__LINE__)) ;
+
+  a = fb(a);  
+  if ( a != 10 || glb != 10 ) 
+    _exit (-(__LINE__)) ;
+  
+  return 0;
+}

gcc/testsuite/objc.dg/torture/tls/thr-init-3.m

+/* { dg-require-effective-target tls } */
+/* { dg-do run } */
+/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
+/* { dg-additional-sources "../../../objc-obj-c++-shared/Object1.m" } */
+
+#include "../../../objc-obj-c++-shared/Object1.h"
+extern void _exit(int);
+
+@interface tsObj: Object {
+  int ai ;
+}
+
+- (int) fa:(int) n;
+
+@end
+
+@implementation tsObj
+
+- (int) fa:(int) n
+{
+static __thread int as = 3;
+  as += n ;
+  return as ;
+}
+
+@end
+
+int main (int ac, char *av[])
+{
+  int a ;
+  tsObj *to = [tsObj new];
+  
+  a = [to fa:5];
+  if ( a != 8 ) 
+    _exit (-(__LINE__)) ;
+  
+  return 0;
+}

gcc/testsuite/objc.dg/torture/tls/thr-init.m

+/* { dg-require-effective-target tls } */
+/* { dg-do run } */
+
+extern void _exit(int);
+
+static __thread int fstat ;
+
+static __thread int fstat = 1;
+
+static __thread int fstat ;
+
+int test_code(int b)
+{
+  fstat += b ;
+  return fstat;
+}
+
+int main (int ac, char *av[])
+{
+  int a = test_code(1);
+  
+  if ( a != 2 || fstat != 2 ) _exit (-(__LINE__)) ;
+  
+  return 0;
+}

gcc/testsuite/objc.dg/torture/tls/tls.exp

+# This harness is for tests that should be run at all optimisation levels.
+
+load_lib objc-dg.exp
+
+dg-init
+
+# Gather a list of all tests.
+set tests [lsort [glob -nocomplain $srcdir/$subdir/*.m]]
+
+objc-dg-runtest $tests "-fgnu-runtime"
+
+# darwin targets can also run code with the NeXT runtime.
+if [istarget "*-*-darwin*" ] {
+  objc-dg-runtest $tests "-fnext-runtime"
+}
+
+dg-finish

gcc/testsuite/objc.dg/torture/tls/trivial.m

+// { dg-require-effective-target tls }
+
+__thread int i;

gcc/testsuite/objc.dg/torture/trivial.m

+/* { dg-do run } */
+/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
+/* { dg-additional-sources "../../objc-obj-c++-shared/Object1.m" } */
+
+#import "../../objc-obj-c++-shared/Object1.h"
+
+int main(void)
+{
+  [Object class];
+  return 0;
+}