102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
/* Area: ffi_call, closure_call
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Purpose: Single argument structs have a different ABI in emscripten.
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Limitations: none.
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PR: none.
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Originator: <hood@mit.edu> */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct A {
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int a;
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} A;
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typedef struct B {
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struct A y;
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} B;
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static struct B B_fn(int b0, struct B b1)
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{
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b1.y.a += b0;
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return b1;
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}
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static void
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B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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void* userdata __UNUSED__)
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{
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int b0;
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struct B b1;
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b0 = *(int*)(args[0]);
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b1 = *(struct B*)(args[1]);
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*(B*)resp = B_fn(b0, b1);
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}
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int main (void)
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{
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printf("123\n");
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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* cls_struct_fields[2];
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ffi_type* cls_struct_fields1[2];
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ffi_type cls_struct_type, cls_struct_type1;
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ffi_type* dbl_arg_types[3];
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int e_dbl = 12125;
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struct B f_dbl = { { 31625 } };
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struct B res_dbl;
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cls_struct_type.size = 0;
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cls_struct_type.alignment = 0;
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cls_struct_type.type = FFI_TYPE_STRUCT;
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cls_struct_type.elements = cls_struct_fields;
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cls_struct_type1.size = 0;
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cls_struct_type1.alignment = 0;
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cls_struct_type1.type = FFI_TYPE_STRUCT;
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cls_struct_type1.elements = cls_struct_fields1;
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cls_struct_fields[0] = &ffi_type_sint;
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cls_struct_fields[1] = NULL;
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cls_struct_fields1[0] = &cls_struct_type;
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cls_struct_fields1[1] = NULL;
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dbl_arg_types[0] = &ffi_type_sint;
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dbl_arg_types[1] = &cls_struct_type1;
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dbl_arg_types[2] = NULL;
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res_dbl = B_fn(e_dbl, f_dbl);
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printf("0 res: %d\n", res_dbl.y.a);
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/* { dg-output "0 res: 43750" } */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
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dbl_arg_types) == FFI_OK);
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args_dbl[0] = &e_dbl;
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args_dbl[1] = &f_dbl;
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args_dbl[2] = NULL;
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ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
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printf("1 res: %d\n", res_dbl.y.a);
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/* { dg-output "\n1 res: 43750" } */
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CHECK( res_dbl.y.a == (e_dbl + f_dbl.y.a));
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CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
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res_dbl = ((B(*)(int, B))(code))(e_dbl, f_dbl);
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printf("2 res: %d\n", res_dbl.y.a);
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/* { dg-output "\n2 res: 43750" } */
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CHECK( res_dbl.y.a == (e_dbl + f_dbl.y.a));
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exit(0);
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}
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