kc3-lang/libffi/testsuite/libffi.call/closure_thiscall.c

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• Hash : dfdb02cc
  Author :
  Date : 2014-03-16T15:26:26
  

  testsuite: Introduce a __THISCALL__ compiler-specific macro

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• testsuite/libffi.call/closure_thiscall.c

• /* Area:	closure_call (thiscall convention)
     Purpose:	Check handling when caller expects thiscall callee
     Limitations:	none.
     PR:		none.
     Originator:	<ktietz@redhat.com> */
  
  /* { dg-do run { target i?86-*-* } } */
  #include "ffitest.h"
  
  static void
  closure_test_thiscall(ffi_cif* cif __UNUSED__, void* resp, void** args,
  		      void* userdata)
  {
    *(ffi_arg*)resp =
      (int)*(int *)args[0] + (int)(*(int *)args[1])
      + (int)(*(int *)args[2])  + (int)(*(int *)args[3])
      + (int)(intptr_t)userdata;
  
    printf("%d %d %d %d: %d\n",
  	 (int)*(int *)args[0], (int)(*(int *)args[1]),
  	 (int)(*(int *)args[2]), (int)(*(int *)args[3]),
           (int)*(ffi_arg *)resp);
  
  }
  
  typedef int (__THISCALL__ *closure_test_type0)(int, int, int, int);
  
  int main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    ffi_type * cl_arg_types[17];
    int res;
  
    cl_arg_types[0] = &ffi_type_uint;
    cl_arg_types[1] = &ffi_type_uint;
    cl_arg_types[2] = &ffi_type_uint;
    cl_arg_types[3] = &ffi_type_uint;
    cl_arg_types[4] = NULL;
  
    /* Initialize the cif */
    CHECK(ffi_prep_cif(&cif, FFI_THISCALL, 4,
  		     &ffi_type_sint, cl_arg_types) == FFI_OK);
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_thiscall,
                               (void *) 3 /* userdata */, code) == FFI_OK);
  
    res = (*(closure_test_type0)code)(0, 1, 2, 3);
    /* { dg-output "0 1 2 3: 9" } */
  
    printf("res: %d\n",res);
    /* { dg-output "\nres: 9" } */
  
    exit(0);
  }
  

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