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      1 /* Area:	ffi_call, closure_call
      2    Purpose:	Check structure alignment of sint64.
      3    Limitations:	none.
      4    PR:		none.
      5    Originator:	<hos (at) tamanegi.org> 20031203	 */
      6 
      7 /* { dg-do run } */
      8 #include "ffitest.h"
      9 
     10 typedef struct cls_struct_align {
     11   unsigned char a;
     12   signed long long b;
     13   unsigned char c;
     14 } cls_struct_align;
     15 
     16 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
     17 			    struct cls_struct_align a2)
     18 {
     19   struct cls_struct_align result;
     20 
     21   result.a = a1.a + a2.a;
     22   result.b = a1.b + a2.b;
     23   result.c = a1.c + a2.c;
     24 
     25   printf("%d %lld %d %d %lld %d: %d %lld %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
     26 
     27   return  result;
     28 }
     29 
     30 static void
     31 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
     32 		    void* userdata __UNUSED__)
     33 {
     34 
     35   struct cls_struct_align a1, a2;
     36 
     37   a1 = *(struct cls_struct_align*)(args[0]);
     38   a2 = *(struct cls_struct_align*)(args[1]);
     39 
     40   *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
     41 }
     42 
     43 int main (void)
     44 {
     45   ffi_cif cif;
     46 #ifndef USING_MMAP
     47   static ffi_closure cl;
     48 #endif
     49   ffi_closure *pcl;
     50   void* args_dbl[5];
     51   ffi_type* cls_struct_fields[4];
     52   ffi_type cls_struct_type;
     53   ffi_type* dbl_arg_types[5];
     54 
     55 #ifdef USING_MMAP
     56   pcl = allocate_mmap (sizeof(ffi_closure));
     57 #else
     58   pcl = &cl;
     59 #endif
     60 
     61   cls_struct_type.size = 0;
     62   cls_struct_type.alignment = 0;
     63   cls_struct_type.type = FFI_TYPE_STRUCT;
     64   cls_struct_type.elements = cls_struct_fields;
     65 
     66   struct cls_struct_align g_dbl = { 12, 4951, 127 };
     67   struct cls_struct_align f_dbl = { 1, 9320, 13 };
     68   struct cls_struct_align res_dbl;
     69 
     70   cls_struct_fields[0] = &ffi_type_uchar;
     71   cls_struct_fields[1] = &ffi_type_sint64;
     72   cls_struct_fields[2] = &ffi_type_uchar;
     73   cls_struct_fields[3] = NULL;
     74 
     75   dbl_arg_types[0] = &cls_struct_type;
     76   dbl_arg_types[1] = &cls_struct_type;
     77   dbl_arg_types[2] = NULL;
     78 
     79   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
     80 		     dbl_arg_types) == FFI_OK);
     81 
     82   args_dbl[0] = &g_dbl;
     83   args_dbl[1] = &f_dbl;
     84   args_dbl[2] = NULL;
     85 
     86   ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
     87   /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
     88   printf("res: %d %lld %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
     89   /* { dg-output "\nres: 13 14271 140" } */
     90 
     91   CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
     92 
     93   res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
     94   /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
     95   printf("res: %d %lld %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
     96   /* { dg-output "\nres: 13 14271 140" } */
     97 
     98   exit(0);
     99 }
    100