diff options
Diffstat (limited to 'testsuite/libffi.closures/single_entry_structs1.c')
-rw-r--r-- | testsuite/libffi.closures/single_entry_structs1.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/testsuite/libffi.closures/single_entry_structs1.c b/testsuite/libffi.closures/single_entry_structs1.c new file mode 100644 index 0000000..89d0d32 --- /dev/null +++ b/testsuite/libffi.closures/single_entry_structs1.c @@ -0,0 +1,86 @@ +/* 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; +} A; + +static struct A A_fn(int b0, struct A b1) +{ + b1.a += b0; + return b1; +} + +static void +A_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, + void* userdata __UNUSED__) +{ + int b0; + struct A b1; + + b0 = *(int*)(args[0]); + b1 = *(struct A*)(args[1]); + + *(A*)resp = A_fn(b0, b1); +} + +int main (void) +{ + printf("123\n"); + ffi_cif cif; + void *code; + ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); + void* args_dbl[3]; + ffi_type* cls_struct_fields[2]; + ffi_type cls_struct_type, cls_struct_type1; + ffi_type* dbl_arg_types[3]; + + int e_dbl = 12125; + struct A f_dbl = { 31625 }; + + struct A 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_fields[0] = &ffi_type_sint; + cls_struct_fields[1] = NULL; + + dbl_arg_types[0] = &ffi_type_sint; + dbl_arg_types[1] = &cls_struct_type; + dbl_arg_types[2] = NULL; + + res_dbl = A_fn(e_dbl, f_dbl); + printf("0 res: %d\n", res_dbl.a); + /* { dg-output "0 res: 43750" } */ + + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, + dbl_arg_types) == FFI_OK); + + args_dbl[0] = &e_dbl; + args_dbl[1] = &f_dbl; + args_dbl[2] = NULL; + + + ffi_call(&cif, FFI_FN(A_fn), &res_dbl, args_dbl); + printf("1 res: %d \n", res_dbl.a); + /* { dg-output "\n1 res: 43750" } */ + CHECK( res_dbl.a == (e_dbl + f_dbl.a)); + + CHECK(ffi_prep_closure_loc(pcl, &cif, A_gn, NULL, code) == FFI_OK); + + res_dbl = ((A(*)(int, A))(code))(e_dbl, f_dbl); + printf("2 res: %d \n", res_dbl.a); + /* { dg-output "\n2 res: 43750" } */ + CHECK( res_dbl.a == (e_dbl + f_dbl.a)); + + exit(0); +} |