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-rw-r--r--gcc-4.4.3/libffi/testsuite/libffi.call/nested_struct.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/gcc-4.4.3/libffi/testsuite/libffi.call/nested_struct.c b/gcc-4.4.3/libffi/testsuite/libffi.call/nested_struct.c
new file mode 100644
index 000000000..adce7ba43
--- /dev/null
+++ b/gcc-4.4.3/libffi/testsuite/libffi.call/nested_struct.c
@@ -0,0 +1,160 @@
+/* Area: ffi_call, closure_call
+ Purpose: Check structure passing with different structure size.
+ Contains structs as parameter of the struct itself.
+ Limitations: none.
+ PR: none.
+ Originator: <andreast@gcc.gnu.org> 20030828 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_16byte1 {
+ double a;
+ float b;
+ int c;
+} cls_struct_16byte1;
+
+typedef struct cls_struct_16byte2 {
+ int ii;
+ double dd;
+ float ff;
+} cls_struct_16byte2;
+
+typedef struct cls_struct_combined {
+ cls_struct_16byte1 d;
+ cls_struct_16byte2 e;
+} cls_struct_combined;
+
+cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
+ struct cls_struct_16byte2 b1,
+ struct cls_struct_combined b2)
+{
+ struct cls_struct_combined result;
+
+ result.d.a = b0.a + b1.dd + b2.d.a;
+ result.d.b = b0.b + b1.ff + b2.d.b;
+ result.d.c = b0.c + b1.ii + b2.d.c;
+ result.e.ii = b0.c + b1.ii + b2.e.ii;
+ result.e.dd = b0.a + b1.dd + b2.e.dd;
+ result.e.ff = b0.b + b1.ff + b2.e.ff;
+
+ printf("%g %g %d %d %g %g %g %g %d %d %g %g: %g %g %d %d %g %g\n",
+ b0.a, b0.b, b0.c,
+ b1.ii, b1.dd, b1.ff,
+ b2.d.a, b2.d.b, b2.d.c,
+ b2.e.ii, b2.e.dd, b2.e.ff,
+ result.d.a, result.d.b, result.d.c,
+ result.e.ii, result.e.dd, result.e.ff);
+
+ return result;
+}
+
+static void
+cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+ void* userdata __UNUSED__)
+{
+ struct cls_struct_16byte1 b0;
+ struct cls_struct_16byte2 b1;
+ struct cls_struct_combined b2;
+
+ b0 = *(struct cls_struct_16byte1*)(args[0]);
+ b1 = *(struct cls_struct_16byte2*)(args[1]);
+ b2 = *(struct cls_struct_combined*)(args[2]);
+
+
+ *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2);
+}
+
+int main (void)
+{
+ ffi_cif cif;
+#ifndef USING_MMAP
+ static ffi_closure cl;
+#endif
+ ffi_closure *pcl;
+ void* args_dbl[5];
+ ffi_type* cls_struct_fields[5];
+ ffi_type* cls_struct_fields1[5];
+ ffi_type* cls_struct_fields2[5];
+ ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+ ffi_type* dbl_arg_types[5];
+
+#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;
+
+ cls_struct_type2.size = 0;
+ cls_struct_type2.alignment = 0;
+ cls_struct_type2.type = FFI_TYPE_STRUCT;
+ cls_struct_type2.elements = cls_struct_fields2;
+
+ struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
+ struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
+ struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
+ {3, 1.0, 8.0}};
+ struct cls_struct_combined res_dbl;
+
+ cls_struct_fields[0] = &ffi_type_double;
+ cls_struct_fields[1] = &ffi_type_float;
+ cls_struct_fields[2] = &ffi_type_sint;
+ cls_struct_fields[3] = NULL;
+
+ cls_struct_fields1[0] = &ffi_type_sint;
+ cls_struct_fields1[1] = &ffi_type_double;
+ cls_struct_fields1[2] = &ffi_type_float;
+ cls_struct_fields1[3] = NULL;
+
+ cls_struct_fields2[0] = &cls_struct_type;
+ cls_struct_fields2[1] = &cls_struct_type1;
+ cls_struct_fields2[2] = NULL;
+
+
+ dbl_arg_types[0] = &cls_struct_type;
+ dbl_arg_types[1] = &cls_struct_type1;
+ dbl_arg_types[2] = &cls_struct_type2;
+ dbl_arg_types[3] = NULL;
+
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type2,
+ dbl_arg_types) == FFI_OK);
+
+ args_dbl[0] = &e_dbl;
+ args_dbl[1] = &f_dbl;
+ args_dbl[2] = &g_dbl;
+ args_dbl[3] = NULL;
+
+ ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
+ /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
+ CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
+ CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
+ CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
+ CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
+ CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
+ CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
+
+ CHECK(ffi_prep_closure(pcl, &cif, cls_struct_combined_gn, NULL) == FFI_OK);
+
+ res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
+ cls_struct_16byte2,
+ cls_struct_combined))
+ (pcl))(e_dbl, f_dbl, g_dbl);
+ /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
+ CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
+ CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
+ CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
+ CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
+ CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
+ CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
+ exit(0);
+}