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authorMatthias Benkard <code@mail.matthias.benkard.de>2008-01-26 12:06:34 +0100
committerMatthias Benkard <code@mail.matthias.benkard.de>2008-01-26 12:06:34 +0100
commit181d8ded82d49d0133d9d6fd1631d9816c970bfa (patch)
treec2791efcee34197c93ed964873c1ff30bf398330 /libffi/testsuite/libffi.call/cls_3byte1.c
parent28a686ef16077f75afbfa3d315cd268680e11b75 (diff)
Import libffi from PyObjC 1.3.7.
darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92
Diffstat (limited to 'libffi/testsuite/libffi.call/cls_3byte1.c')
-rw-r--r--libffi/testsuite/libffi.call/cls_3byte1.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/cls_3byte1.c b/libffi/testsuite/libffi.call/cls_3byte1.c
new file mode 100644
index 0000000..294067f
--- /dev/null
+++ b/libffi/testsuite/libffi.call/cls_3byte1.c
@@ -0,0 +1,97 @@
+/* Area: ffi_call, closure_call
+ Purpose: Check structure passing with different structure size.
+ Especially with small structures which may fit in one
+ register. Depending on the ABI. Check overlapping.
+ Limitations: none.
+ PR: none.
+ Originator: <andreast@gcc.gnu.org> 20030828 */
+
+/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+typedef struct cls_struct_3byte {
+ unsigned short a;
+ unsigned char b;
+} cls_struct_3byte;
+
+cls_struct_3byte cls_struct_3byte_fn(struct cls_struct_3byte a1,
+ struct cls_struct_3byte a2)
+{
+ struct cls_struct_3byte result;
+
+ result.a = a1.a + a2.a;
+ result.b = a1.b + a2.b;
+
+ printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
+
+ return result;
+}
+
+static void
+cls_struct_3byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
+{
+
+ struct cls_struct_3byte a1, a2;
+
+ a1 = *(struct cls_struct_3byte*)(args[0]);
+ a2 = *(struct cls_struct_3byte*)(args[1]);
+
+ *(cls_struct_3byte*)resp = cls_struct_3byte_fn(a1, a2);
+}
+
+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[4];
+ ffi_type cls_struct_type;
+ 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;
+
+ struct cls_struct_3byte g_dbl = { 12, 119 };
+ struct cls_struct_3byte f_dbl = { 1, 15 };
+ struct cls_struct_3byte res_dbl;
+
+ cls_struct_fields[0] = &ffi_type_ushort;
+ cls_struct_fields[1] = &ffi_type_uchar;
+ cls_struct_fields[2] = NULL;
+
+ dbl_arg_types[0] = &cls_struct_type;
+ dbl_arg_types[1] = &cls_struct_type;
+ dbl_arg_types[2] = NULL;
+
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+ dbl_arg_types) == FFI_OK);
+
+ args_dbl[0] = &g_dbl;
+ args_dbl[1] = &f_dbl;
+ args_dbl[2] = NULL;
+
+ ffi_call(&cif, FFI_FN(cls_struct_3byte_fn), &res_dbl, args_dbl);
+ /* { dg-output "12 119 1 15: 13 134" } */
+ printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+ /* { dg-output "\nres: 13 134" } */
+
+ CHECK(ffi_prep_closure(pcl, &cif, cls_struct_3byte_gn, NULL) == FFI_OK);
+
+ res_dbl = ((cls_struct_3byte(*)(cls_struct_3byte, cls_struct_3byte))(pcl))(g_dbl, f_dbl);
+ /* { dg-output "\n12 119 1 15: 13 134" } */
+ printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+ /* { dg-output "\nres: 13 134" } */
+
+ exit(0);
+}