diff options
Diffstat (limited to 'testsuite/libffi.closures/single_entry_structs2.c')
-rw-r--r-- | testsuite/libffi.closures/single_entry_structs2.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/testsuite/libffi.closures/single_entry_structs2.c b/testsuite/libffi.closures/single_entry_structs2.c new file mode 100644 index 0000000..ab6556b --- /dev/null +++ b/testsuite/libffi.closures/single_entry_structs2.c @@ -0,0 +1,102 @@ +/* Area: ffi_call, closure_call + Purpose: Single argument structs have a different ABI in emscripten. + Limitations: none. + PR: none. + Originator: <hood@mit.edu> */ + +/* { dg-do run } */ +#include "ffitest.h" + +typedef struct A { + int a, b; +} A; + +typedef struct B { + struct A y; +} B; + +static struct B B_fn(int b0, struct B b1) +{ + b1.y.a += b0; + b1.y.b -= b0; + return b1; +} + +static void +B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, + void* userdata __UNUSED__) +{ + int b0; + struct B b1; + + b0 = *(int*)(args[0]); + b1 = *(struct B*)(args[1]); + + *(B*)resp = B_fn(b0, b1); +} + +int main (void) +{ + ffi_cif cif; + void *code; + ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); + void* args_dbl[3]; + ffi_type* cls_struct_fields[3]; + ffi_type* cls_struct_fields1[2]; + ffi_type cls_struct_type, cls_struct_type1; + ffi_type* dbl_arg_types[3]; + + int e_dbl = 12125; + struct B f_dbl = { { 31625, 16723 } }; + + struct B res_dbl; + + cls_struct_type.size = 0; + cls_struct_type.alignment = 0; + cls_struct_type.type = FFI_TYPE_STRUCT; + cls_struct_type.elements = cls_struct_fields; + + cls_struct_type1.size = 0; + cls_struct_type1.alignment = 0; + cls_struct_type1.type = FFI_TYPE_STRUCT; + cls_struct_type1.elements = cls_struct_fields1; + + cls_struct_fields[0] = &ffi_type_sint; + cls_struct_fields[1] = &ffi_type_sint; + cls_struct_fields[2] = NULL; + + cls_struct_fields1[0] = &cls_struct_type; + cls_struct_fields1[1] = NULL; + + + dbl_arg_types[0] = &ffi_type_sint; + dbl_arg_types[1] = &cls_struct_type1; + dbl_arg_types[2] = NULL; + + res_dbl = B_fn(e_dbl, f_dbl); + printf("0 res: %d %d\n", res_dbl.y.a, res_dbl.y.b); + /* { dg-output "0 res: 43750 4598" } */ + + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1, + dbl_arg_types) == FFI_OK); + + args_dbl[0] = &e_dbl; + args_dbl[1] = &f_dbl; + args_dbl[2] = NULL; + + ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl); + printf("1 res: %d %d\n", res_dbl.y.a, res_dbl.y.b); + /* { dg-output "\n1 res: 43750 4598" } */ + CHECK( res_dbl.y.a == (f_dbl.y.a + e_dbl)); + CHECK( res_dbl.y.b == (f_dbl.y.b - e_dbl)); + + CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK); + + res_dbl = ((B(*)(int, B))(code))(e_dbl, f_dbl); + printf("2 res: %d %d\n", res_dbl.y.a, res_dbl.y.b); + /* { dg-output "\n2 res: 43750 4598" } */ + CHECK( res_dbl.y.a == (f_dbl.y.a + e_dbl)); + CHECK( res_dbl.y.b == (f_dbl.y.b - e_dbl)); + + exit(0); +} |