Import libffi-3.4.2

testsuite/libffi.closures/cls_many_mixed_args.c

@@ -0,0 +1,70 @@
+/* Area:	closure_call
+   Purpose:	Check closures called with many args of mixed types
+   Limitations:	none.
+   PR:		none.
+   Originator:	<david.schneider@picle.org> */
+
+/* { dg-do run } */
+#include "ffitest.h"
+#include <float.h>
+#include <math.h>
+
+#define NARGS 16
+
+static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			      void* userdata __UNUSED__)
+{
+  int i;
+  double r = 0;
+  double t;
+  for(i = 0; i < NARGS; i++)
+    {
+    if(i == 4 || i == 9 || i == 11 || i == 13 || i == 15)
+      {
+      t = *(long int *)args[i];
+      CHECK(t == i+1);
+      }
+    else
+      {
+      t = *(double *)args[i];
+      CHECK(fabs(t - ((i+1) * 0.1)) < FLT_EPSILON);
+      }
+    r += t;
+    }
+  *(double *)resp = r;
+}
+typedef double (*cls_ret_double)(double, double, double, double, long int,
+double, double, double, double, long int, double, long int, double, long int,
+double, long int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[NARGS];
+  double res;
+  int i;
+  double expected = 64.9;
+
+  for(i = 0; i < NARGS; i++)
+    {
+    if(i == 4 || i == 9 || i == 11 || i == 13 || i == 15)
+      cl_arg_types[i] = &ffi_type_slong;
+    else
+      cl_arg_types[i] = &ffi_type_double;
+    }
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, NARGS,
+		     &ffi_type_double, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code) == FFI_OK);
+
+  res = (((cls_ret_double)code))(0.1, 0.2, 0.3, 0.4, 5, 0.6, 0.7, 0.8, 0.9, 10,
+                                 1.1, 12, 1.3, 14, 1.5, 16);
+  if (fabs(res - expected) < FLT_EPSILON)
+    exit(0);
+  else
+    abort();
+}