75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
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/* Area: ffi_call, closure_call
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Purpose: Check passing of multiple signed char values.
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Limitations: none.
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PR: PR13221.
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Originator: <hos@tamanegi.org> 20031129 */
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/* { dg-do run } */
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#include "ffitest.h"
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signed char test_func_fn(signed char a1, signed char a2)
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{
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signed char result;
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result = a1 + a2;
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printf("%d %d: %d\n", a1, a2, result);
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return result;
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}
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static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
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void *data __UNUSED__)
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{
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signed char a1, a2;
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a1 = *(signed char *)avals[0];
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a2 = *(signed char *)avals[1];
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*(ffi_arg *)rval = test_func_fn(a1, a2);
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}
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typedef signed char (*test_type)(signed char, signed char);
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int main (void)
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{
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ffi_cif cif;
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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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void * args_dbl[3];
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ffi_type * cl_arg_types[3];
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ffi_arg res_call;
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signed char a, b, res_closure;
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a = 2;
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b = 125;
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args_dbl[0] = &a;
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args_dbl[1] = &b;
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args_dbl[2] = NULL;
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cl_arg_types[0] = &ffi_type_schar;
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cl_arg_types[1] = &ffi_type_schar;
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cl_arg_types[2] = NULL;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
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&ffi_type_schar, cl_arg_types) == FFI_OK);
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ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
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/* { dg-output "2 125: 127" } */
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printf("res: %d\n", (signed char)res_call);
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/* { dg-output "\nres: 127" } */
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CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
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res_closure = (*((test_type)code))(2, 125);
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/* { dg-output "\n2 125: 127" } */
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printf("res: %d\n", res_closure);
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/* { dg-output "\nres: 127" } */
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exit(0);
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}
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