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111
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1 /* Area: ffi_call, closure_call
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2 Purpose: Check passing of multiple signed short/char values.
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3 Limitations: none.
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4 PR: PR13221.
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5 Originator: <andreast@gcc.gnu.org> 20031129 */
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6
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7 /* { dg-do run } */
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8 #include "ffitest.h"
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9
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10 signed short test_func_fn(signed char a1, signed short a2,
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11 signed char a3, signed short a4)
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12 {
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13 signed short result;
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14
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15 result = a1 + a2 + a3 + a4;
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16
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17 printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
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18
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19 return result;
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20
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21 }
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22
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23 static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
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24 void *data __UNUSED__)
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25 {
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26 signed char a1, a3;
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27 signed short a2, a4;
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28
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29 a1 = *(signed char *)avals[0];
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30 a2 = *(signed short *)avals[1];
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31 a3 = *(signed char *)avals[2];
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32 a4 = *(signed short *)avals[3];
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33
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34 *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
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35
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36 }
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37
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38 typedef signed short (*test_type)(signed char, signed short,
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39 signed char, signed short);
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40
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41 int main (void)
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42 {
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43 ffi_cif cif;
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44 void *code;
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45 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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46 void * args_dbl[5];
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47 ffi_type * cl_arg_types[5];
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48 ffi_arg res_call;
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49 signed char a, c;
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50 signed short b, d, res_closure;
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51
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52 a = 1;
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53 b = 32765;
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54 c = 127;
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55 d = -128;
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56
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57 args_dbl[0] = &a;
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58 args_dbl[1] = &b;
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59 args_dbl[2] = &c;
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60 args_dbl[3] = &d;
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61 args_dbl[4] = NULL;
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62
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63 cl_arg_types[0] = &ffi_type_schar;
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64 cl_arg_types[1] = &ffi_type_sshort;
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65 cl_arg_types[2] = &ffi_type_schar;
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66 cl_arg_types[3] = &ffi_type_sshort;
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67 cl_arg_types[4] = NULL;
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68
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69 /* Initialize the cif */
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70 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
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71 &ffi_type_sshort, cl_arg_types) == FFI_OK);
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72
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73 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
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74 /* { dg-output "1 32765 127 -128: 32765" } */
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75 printf("res: %d\n", (signed short)res_call);
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76 /* { dg-output "\nres: 32765" } */
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77
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78 CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
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79
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80 res_closure = (*((test_type)code))(1, 32765, 127, -128);
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81 /* { dg-output "\n1 32765 127 -128: 32765" } */
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82 printf("res: %d\n", res_closure);
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83 /* { dg-output "\nres: 32765" } */
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84
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85 exit(0);
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86 }
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