summaryrefslogtreecommitdiff
path: root/testsuite/libffi.closures/single_entry_structs1.c
diff options
context:
space:
mode:
Diffstat (limited to 'testsuite/libffi.closures/single_entry_structs1.c')
-rw-r--r--testsuite/libffi.closures/single_entry_structs1.c86
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);
+}