github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/testsuite/libffi.call/closure_fn1.c (about)

     1  /* Area:	closure_call.
     2     Purpose:	Check multiple values passing from different type.
     3  		Also, exceed the limit of gpr and fpr registers on PowerPC
     4  		Darwin.
     5     Limitations:	none.
     6     PR:		none.
     7     Originator:	<andreast@gcc.gnu.org> 20030828	 */
     8  
     9  /* { dg-do run } */
    10  #include "ffitest.h"
    11  
    12  
    13  static void closure_test_fn1(ffi_cif* cif __UNUSED__, void* resp, void** args,
    14  			     void* userdata)
    15  {
    16    *(ffi_arg*)resp =
    17      (int)*(float *)args[0] +(int)(*(float *)args[1]) +
    18      (int)(*(float *)args[2]) + (int)*(float *)args[3] +
    19      (int)(*(signed short *)args[4]) + (int)(*(float *)args[5]) +
    20      (int)*(float *)args[6] + (int)(*(int *)args[7]) +
    21      (int)(*(double*)args[8]) + (int)*(int *)args[9] +
    22      (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
    23      (int)*(int *)args[12] + (int)(*(int *)args[13]) +
    24      (int)(*(int *)args[14]) + *(int *)args[15] + (intptr_t)userdata;
    25  
    26    printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
    27  	 (int)*(float *)args[0], (int)(*(float *)args[1]),
    28  	 (int)(*(float *)args[2]), (int)*(float *)args[3],
    29  	 (int)(*(signed short *)args[4]), (int)(*(float *)args[5]),
    30  	 (int)*(float *)args[6], (int)(*(int *)args[7]),
    31  	 (int)(*(double *)args[8]), (int)*(int *)args[9],
    32  	 (int)(*(int *)args[10]), (int)(*(float *)args[11]),
    33  	 (int)*(int *)args[12], (int)(*(int *)args[13]),
    34  	 (int)(*(int *)args[14]), *(int *)args[15],
    35  	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
    36  }
    37  
    38  typedef int (*closure_test_type1)(float, float, float, float, signed short,
    39  				  float, float, int, double, int, int, float,
    40  				  int, int, int, int);
    41  int main (void)
    42  {
    43    ffi_cif cif;
    44    void *code;
    45    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    46    ffi_type * cl_arg_types[17];
    47    int res;
    48  
    49    cl_arg_types[0] = &ffi_type_float;
    50    cl_arg_types[1] = &ffi_type_float;
    51    cl_arg_types[2] = &ffi_type_float;
    52    cl_arg_types[3] = &ffi_type_float;
    53    cl_arg_types[4] = &ffi_type_sshort;
    54    cl_arg_types[5] = &ffi_type_float;
    55    cl_arg_types[6] = &ffi_type_float;
    56    cl_arg_types[7] = &ffi_type_sint;
    57    cl_arg_types[8] = &ffi_type_double;
    58    cl_arg_types[9] = &ffi_type_sint;
    59    cl_arg_types[10] = &ffi_type_sint;
    60    cl_arg_types[11] = &ffi_type_float;
    61    cl_arg_types[12] = &ffi_type_sint;
    62    cl_arg_types[13] = &ffi_type_sint;
    63    cl_arg_types[14] = &ffi_type_sint;
    64    cl_arg_types[15] = &ffi_type_sint;
    65    cl_arg_types[16] = NULL;
    66  
    67    /* Initialize the cif */
    68    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
    69  		     &ffi_type_sint, cl_arg_types) == FFI_OK);
    70  
    71    CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn1,
    72                               (void *) 3 /* userdata */, code)  == FFI_OK);
    73  
    74    res = (*((closure_test_type1)code))
    75      (1.1, 2.2, 3.3, 4.4, 127, 5.5, 6.6, 8, 9, 10, 11, 12.0, 13,
    76       19, 21, 1);
    77    /* { dg-output "1 2 3 4 127 5 6 8 9 10 11 12 13 19 21 1 3: 255" } */
    78    printf("res: %d\n",res);
    79    /* { dg-output "\nres: 255" } */
    80    exit(0);
    81  }