2009-02-20 Mark Mitchell <mark@codesourcery.com>

            Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_builtin_va_list): New function.
	(arm_expand_builtin_va_start): Likewise.
	(arm_gimplify_va_arg_expr): Likewise.
	(TARGET_BUILD_BUILTIN_VA_LIST): Define.
	(TARGET_BUILD_BUILTIN_VA_START): Likewise.
	(TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
	(va_list_type): New variable.
	(arm_mangle_type): Mangle va_list_type appropriately.

testsuite:
	* gcc.target/arm/va_list.c: New test.
	* g++.dg/abi/arm_va_list.C: Likewise.
	* lib/target-supports.exp (check_effective_target_arm_eabi): New
	function.
	* g++.dg/cpp0x/temp-va-arg-bug.C, g++.dg/other/stdarg1.C,
	g++.dg/warn/miss-format-1.C, g++.dg/warn/miss-format-3.C,
	g++.dg/warn/miss-format-4.C, g++.dg/warn/miss-format-5.C,
	g++.dg/warn/miss-format-6.C, g++.old-deja/g++.other/vaarg2.C,
	g++.old-deja/g++.other/vaarg3.C, g++.old-deja/g++.other/vaarg4.C,
	g++.old-deja/g++.pt/builtin.C: Use -Wno-abi on ARM EABI targets.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144323 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 25 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/arm/va_list.c b/gcc/testsuite/gcc.target/arm/va_list.c
new file mode 100644
index 00000000000..b988a0d3365
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/va_list.c
@@ -0,0 +1,25 @@
+/* { dg-do run } */
+/* { dg-require-effective-target arm_eabi } */
+
+#include <stdarg.h>
+#include <stddef.h>
+
+/* AAPCS \S 7.1.4 requires that va_list match the structure shown
+   here */
+typedef struct my_va_list 
+{
+  void *ap;
+} my_va_list;
+
+int 
+main () {
+  if (sizeof (va_list) != sizeof (my_va_list))
+    return 1;
+  /* This check confirms both that "va_list" has a member named "__ap"
+     and that it is located at the correct position.  */
+  if (offsetof (va_list, __ap) 
+      != offsetof (my_va_list, ap))
+    return 2;
+
+  return 0;
+}