98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
/* Area: ffi_call, closure_call
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Purpose: Check structure passing with different structure size.
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Limitations: none.
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PR: none.
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Originator: <andreast@gcc.gnu.org> 20030828 */
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/* { dg-do run { xfail mips64*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
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#include "ffitest.h"
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typedef struct my_ffi_struct {
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double a;
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double b;
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double c;
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} my_ffi_struct;
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my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
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{
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struct my_ffi_struct result;
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result.a = a1.a + a2.a;
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result.b = a1.b + a2.b;
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result.c = a1.c + a2.c;
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printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
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a2.a, a2.b, a2.c, result.a, result.b, result.c);
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return result;
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}
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void stub(ffi_cif* cif, void* resp, void** args, void* userdata)
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{
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struct my_ffi_struct a1;
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struct my_ffi_struct a2;
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a1 = *(struct my_ffi_struct*)(args[0]);
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a2 = *(struct my_ffi_struct*)(args[1]);
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*(my_ffi_struct *)resp = callee(a1, a2);
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}
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int main(void)
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{
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ffi_type* my_ffi_struct_fields[4];
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ffi_type my_ffi_struct_type;
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ffi_cif cif;
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#ifndef USING_MMAP
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static ffi_closure cl;
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#endif
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ffi_closure *pcl;
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void* args[4];
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ffi_type* arg_types[3];
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#ifdef USING_MMAP
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pcl = allocate_mmap (sizeof(ffi_closure));
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#else
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pcl = &cl;
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#endif
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struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
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struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
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struct my_ffi_struct res;
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my_ffi_struct_type.size = 0;
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my_ffi_struct_type.alignment = 0;
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my_ffi_struct_type.type = FFI_TYPE_STRUCT;
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my_ffi_struct_type.elements = my_ffi_struct_fields;
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my_ffi_struct_fields[0] = &ffi_type_double;
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my_ffi_struct_fields[1] = &ffi_type_double;
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my_ffi_struct_fields[2] = &ffi_type_double;
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my_ffi_struct_fields[3] = NULL;
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arg_types[0] = &my_ffi_struct_type;
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arg_types[1] = &my_ffi_struct_type;
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arg_types[2] = NULL;
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
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arg_types) == FFI_OK);
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args[0] = &g;
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args[1] = &f;
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args[2] = NULL;
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ffi_call(&cif, FFI_FN(callee), &res, args);
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/* { dg-output "1 2 3 1 2 3: 2 4 6" } */
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printf("res: %g %g %g\n", res.a, res.b, res.c);
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/* { dg-output "\nres: 2 4 6" } */
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CHECK(ffi_prep_closure(pcl, &cif, stub, NULL) == FFI_OK);
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res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(pcl))(g, f);
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/* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
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printf("res: %g %g %g\n", res.a, res.b, res.c);
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/* { dg-output "\nres: 2 4 6" } */
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exit(0);;
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}
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