From 8a6b509ea857a07be12738d10403d3ab0f647ffe Mon Sep 17 00:00:00 2001
From: Andreas Tobler <andreast@gcc.gnu.org>
Date: Thu, 4 Sep 2003 16:49:22 +0200
Subject: *** empty log message ***
From-SVN: r71069
---
libffi/testsuite/libffi.call/problem1.c | 93 +++++++++++++++++++++++++++++++++
1 file changed, 93 insertions(+)
create mode 100644 libffi/testsuite/libffi.call/problem1.c
(limited to 'libffi/testsuite/libffi.call/problem1.c')
diff --git a/libffi/testsuite/libffi.call/problem1.c b/libffi/testsuite/libffi.call/problem1.c
new file mode 100644
index 0000000..6088be5
--- /dev/null
+++ b/libffi/testsuite/libffi.call/problem1.c
@@ -0,0 +1,93 @@
+/* Area: ffi_call, closure_call
+ Purpose: Check structure passing with different structure size.
+ Limitations: none.
+ PR: none.
+ Originator: <andreast@gcc.gnu.org> 20030828 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct my_ffi_struct {
+ double a;
+ double b;
+ double c;
+} my_ffi_struct;
+
+my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
+{
+ struct my_ffi_struct result;
+ result.a = a1.a + a2.a;
+ result.b = a1.b + a2.b;
+ result.c = a1.c + a2.c;
+
+
+ printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
+ a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+ return result;
+}
+
+void stub(ffi_cif* cif, void* resp, void** args, void* userdata)
+{
+ struct my_ffi_struct a1;
+ struct my_ffi_struct a2;
+
+ a1 = *(struct my_ffi_struct*)(args[0]);
+ a2 = *(struct my_ffi_struct*)(args[1]);
+
+ *(my_ffi_struct *)resp = callee(a1, a2);
+}
+
+
+int main(void)
+{
+ ffi_type* my_ffi_struct_fields[4];
+ ffi_type my_ffi_struct_type;
+ ffi_cif cif;
+ static ffi_closure cl;
+ ffi_closure *pcl = &cl;
+ void* args[4];
+ ffi_type* arg_types[3];
+
+ struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
+ struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
+ struct my_ffi_struct res;
+
+ my_ffi_struct_type.size = 0;
+ my_ffi_struct_type.alignment = 0;
+ my_ffi_struct_type.type = FFI_TYPE_STRUCT;
+ my_ffi_struct_type.elements = my_ffi_struct_fields;
+
+ my_ffi_struct_fields[0] = &ffi_type_double;
+ my_ffi_struct_fields[1] = &ffi_type_double;
+ my_ffi_struct_fields[2] = &ffi_type_double;
+ my_ffi_struct_fields[3] = NULL;
+
+ arg_types[0] = &my_ffi_struct_type;
+ arg_types[1] = &my_ffi_struct_type;
+ arg_types[2] = NULL;
+
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
+ arg_types) == FFI_OK);
+
+ args[0] = &g;
+ args[1] = &f;
+ args[2] = NULL;
+ ffi_call(&cif, FFI_FN(callee), &res, args);
+ /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
+
+ CHECK(res.a == 2.0);
+ CHECK(res.b == 4.0);
+ CHECK(res.c == 6.0);
+
+ CHECK(ffi_prep_closure(pcl, &cif, stub, NULL) == FFI_OK);
+
+ res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(pcl))(g, f);
+ /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
+
+ CHECK(res.a == 2.0);
+ CHECK(res.b == 4.0);
+ CHECK(res.c == 6.0);
+
+ exit(0);;
+}
--
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