Import libffi from PyObjC 1.3.7.

darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92

1 files changed, 109 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.call/cls_19byte.c b/libffi/testsuite/libffi.call/cls_19byte.c
new file mode 100644
index 0000000..3bef938
--- /dev/null
+++ b/libffi/testsuite/libffi.call/cls_19byte.c
@@ -0,0 +1,109 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Double alignment check on darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030915	 */
+
+/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+typedef struct cls_struct_19byte {
+  double a;
+  unsigned char b;
+  unsigned char c;
+  double d;
+  unsigned char e;
+} cls_struct_19byte;
+
+cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1,
+			    struct cls_struct_19byte a2)
+{
+  struct cls_struct_19byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+  result.e = a1.e + a2.e;
+
+
+  printf("%g %d %d %g %d %g %d %d %g %d: %g %d %d %g %d\n",
+	 a1.a, a1.b, a1.c, a1.d, a1.e,
+	 a2.a, a2.b, a2.c, a2.d, a2.e,
+	 result.a, result.b, result.c, result.d, result.e);
+  return result;
+}
+
+static void
+cls_struct_19byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
+{
+  struct cls_struct_19byte a1, a2;
+
+  a1 = *(struct cls_struct_19byte*)(args[0]);
+  a2 = *(struct cls_struct_19byte*)(args[1]);
+
+  *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2);
+}
+
+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[6];
+  ffi_type cls_struct_type;
+  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;
+
+  struct cls_struct_19byte g_dbl = { 1.0, 127, 126, 3.0, 120 };
+  struct cls_struct_19byte f_dbl = { 4.0, 125, 124, 5.0, 119 };
+  struct cls_struct_19byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_double;
+  cls_struct_fields[4] = &ffi_type_uchar;
+  cls_struct_fields[5] = 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_19byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
+  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e);
+  /* { dg-output "\nres: 5 252 250 8 239" } */
+
+  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_19byte_gn, NULL) == FFI_OK);
+
+  res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(pcl))(g_dbl, f_dbl);
+  /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
+  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e);
+  /* { dg-output "\nres: 5 252 250 8 239" } */
+
+  exit(0);
+}