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Diffstat (limited to 'libffi/testsuite/libffi.call/nested_struct3.c')
-rw-r--r--libffi/testsuite/libffi.call/nested_struct3.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/nested_struct3.c b/libffi/testsuite/libffi.call/nested_struct3.c
new file mode 100644
index 0000000..95cf2f3
--- /dev/null
+++ b/libffi/testsuite/libffi.call/nested_struct3.c
@@ -0,0 +1,118 @@
+/* Area: ffi_call, closure_call
+ Purpose: Check structure passing with different structure size.
+ Contains structs as parameter of the struct itself.
+ Sample taken from Alan Modras patch to src/prep_cif.c.
+ Limitations: none.
+ PR: none.
+ Originator: <andreast@gcc.gnu.org> 20030911 */
+
+/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+typedef struct A {
+ unsigned long long a;
+ unsigned char b;
+} A;
+
+typedef struct B {
+ struct A x;
+ unsigned char y;
+} B;
+
+B B_fn(struct A b0, struct B b1)
+{
+ struct B result;
+
+ result.x.a = b0.a + b1.x.a;
+ result.x.b = b0.b + b1.x.b + b1.y;
+ result.y = b0.b + b1.x.b;
+
+ printf("%d %d %d %d %d: %d %d %d\n", (int)b0.a, b0.b,
+ (int)b1.x.a, b1.x.b, b1.y,
+ (int)result.x.a, result.x.b, result.y);
+
+ return result;
+}
+
+static void
+B_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
+{
+ struct A b0;
+ struct B b1;
+
+ b0 = *(struct A*)(args[0]);
+ b1 = *(struct B*)(args[1]);
+
+ *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+ ffi_cif cif;
+#ifndef USING_MMAP
+ static ffi_closure cl;
+#endif
+ ffi_closure *pcl;
+ void* args_dbl[3];
+ ffi_type* cls_struct_fields[3];
+ ffi_type* cls_struct_fields1[3];
+ ffi_type cls_struct_type, cls_struct_type1;
+ ffi_type* dbl_arg_types[3];
+
+#ifdef USING_MMAP
+ pcl = allocate_mmap (sizeof(ffi_closure));
+#else
+ pcl = &cl;
+#endif
+
+ cls_struct_type.size = 0;
+ cls_struct_type.alignment = 0;
+ cls_struct_type.type = FFI_TYPE_STRUCT;
+ cls_struct_type.elements = cls_struct_fields;
+
+ cls_struct_type1.size = 0;
+ cls_struct_type1.alignment = 0;
+ cls_struct_type1.type = FFI_TYPE_STRUCT;
+ cls_struct_type1.elements = cls_struct_fields1;
+
+ struct A e_dbl = { 1LL, 7};
+ struct B f_dbl = {{12LL , 127}, 99};
+
+ struct B res_dbl;
+
+ cls_struct_fields[0] = &ffi_type_uint64;
+ cls_struct_fields[1] = &ffi_type_uchar;
+ cls_struct_fields[2] = NULL;
+
+ cls_struct_fields1[0] = &cls_struct_type;
+ cls_struct_fields1[1] = &ffi_type_uchar;
+ cls_struct_fields1[2] = NULL;
+
+
+ dbl_arg_types[0] = &cls_struct_type;
+ dbl_arg_types[1] = &cls_struct_type1;
+ dbl_arg_types[2] = NULL;
+
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+ dbl_arg_types) == FFI_OK);
+
+ args_dbl[0] = &e_dbl;
+ args_dbl[1] = &f_dbl;
+ args_dbl[2] = NULL;
+
+ ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+ /* { dg-output "1 7 12 127 99: 13 233 134" } */
+ CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+ CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+ CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+
+ CHECK(ffi_prep_closure(pcl, &cif, B_gn, NULL) == FFI_OK);
+
+ res_dbl = ((B(*)(A, B))(pcl))(e_dbl, f_dbl);
+ /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+ CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+ CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+ CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+ exit(0);
+}