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-rw-r--r--ext/ffi_c/libffi/testsuite/libffi.call/cls_struct_va1.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/ext/ffi_c/libffi/testsuite/libffi.call/cls_struct_va1.c b/ext/ffi_c/libffi/testsuite/libffi.call/cls_struct_va1.c
new file mode 100644
index 0000000..6d1fdae
--- /dev/null
+++ b/ext/ffi_c/libffi/testsuite/libffi.call/cls_struct_va1.c
@@ -0,0 +1,114 @@
+/* Area: ffi_call, closure_call
+ Purpose: Test doubles passed in variable argument lists.
+ Limitations: none.
+ PR: none.
+ Originator: Blake Chaffin 6/6/2007 */
+
+/* { dg-do run } */
+/* { dg-output "" { xfail avr32*-*-* } } */
+#include "ffitest.h"
+
+struct small_tag
+{
+ unsigned char a;
+ unsigned char b;
+};
+
+struct large_tag
+{
+ unsigned a;
+ unsigned b;
+ unsigned c;
+ unsigned d;
+ unsigned e;
+};
+
+static void
+test_fn (ffi_cif* cif __UNUSED__, void* resp,
+ void** args, void* userdata __UNUSED__)
+{
+ int n = *(int*)args[0];
+ struct small_tag s1 = * (struct small_tag *) args[1];
+ struct large_tag l1 = * (struct large_tag *) args[2];
+ struct small_tag s2 = * (struct small_tag *) args[3];
+
+ printf ("%d %d %d %d %d %d %d %d %d %d\n", n, s1.a, s1.b,
+ l1.a, l1.b, l1.c, l1.d, l1.e,
+ s2.a, s2.b);
+ * (ffi_arg*) resp = 42;
+}
+
+int
+main (void)
+{
+ ffi_cif cif;
+ void *code;
+ ffi_closure *pcl = ffi_closure_alloc (sizeof (ffi_closure), &code);
+ ffi_type* arg_types[5];
+
+ ffi_arg res = 0;
+
+ ffi_type s_type;
+ ffi_type *s_type_elements[3];
+
+ ffi_type l_type;
+ ffi_type *l_type_elements[6];
+
+ struct small_tag s1;
+ struct small_tag s2;
+ struct large_tag l1;
+
+ int si;
+
+ s_type.size = 0;
+ s_type.alignment = 0;
+ s_type.type = FFI_TYPE_STRUCT;
+ s_type.elements = s_type_elements;
+
+ s_type_elements[0] = &ffi_type_uchar;
+ s_type_elements[1] = &ffi_type_uchar;
+ s_type_elements[2] = NULL;
+
+ l_type.size = 0;
+ l_type.alignment = 0;
+ l_type.type = FFI_TYPE_STRUCT;
+ l_type.elements = l_type_elements;
+
+ l_type_elements[0] = &ffi_type_uint;
+ l_type_elements[1] = &ffi_type_uint;
+ l_type_elements[2] = &ffi_type_uint;
+ l_type_elements[3] = &ffi_type_uint;
+ l_type_elements[4] = &ffi_type_uint;
+ l_type_elements[5] = NULL;
+
+ arg_types[0] = &ffi_type_sint;
+ arg_types[1] = &s_type;
+ arg_types[2] = &l_type;
+ arg_types[3] = &s_type;
+ arg_types[4] = NULL;
+
+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &ffi_type_sint,
+ arg_types) == FFI_OK);
+
+ si = 4;
+ s1.a = 5;
+ s1.b = 6;
+
+ s2.a = 20;
+ s2.b = 21;
+
+ l1.a = 10;
+ l1.b = 11;
+ l1.c = 12;
+ l1.d = 13;
+ l1.e = 14;
+
+ CHECK(ffi_prep_closure_loc(pcl, &cif, test_fn, NULL, code) == FFI_OK);
+
+ res = ((int (*)(int, ...))(code))(si, s1, l1, s2);
+ /* { dg-output "4 5 6 10 11 12 13 14 20 21" } */
+ printf("res: %d\n", (int) res);
+ /* { dg-output "\nres: 42" } */
+
+ exit(0);
+}