int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args[1];
ffi_type* arg_types[1];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
arg_types[0] = NULL;
args[0] = NULL;
CHECK(ffi_prep_cif(&cif, 255, 0, &ffi_type_void,
arg_types) == FFI_BAD_ABI);
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 0, &ffi_type_void,
arg_types) == FFI_OK);
cif.abi= 255;
CHECK(ffi_prep_closure(pcl, &cif, dummy_fn, NULL) == FFI_BAD_ABI);
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[2];
unsigned short res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cl_arg_types[0] = &ffi_type_ushort;
cl_arg_types[1] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_ushort, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, cls_ret_ushort_fn, NULL) == FFI_OK);
res = (*((cls_ret_ushort)pcl))(65535);
/* { dg-output "65535: 65535" } */
printf("res: %d\n",res);
/* { dg-output "\nres: 65535" } */
exit(0);
}
static bool
closure_prep(ffi_cif* cif, void* code, Closure* closure, char* errbuf, size_t errbufsize)
{
ffi_status status;
status = ffi_prep_closure(code, cif, closure_invoke, closure);
switch (status) {
case FFI_OK:
return true;
case FFI_BAD_ABI:
snprintf(errbuf, errbufsize, "Invalid ABI specified");
//throwException(env, IllegalArgument, "Invalid ABI specified");
return false;
case FFI_BAD_TYPEDEF:
snprintf(errbuf, errbufsize, "Invalid argument type specified");
//throwException(env, IllegalArgument, "Invalid argument type specified");
return false;
default:
snprintf(errbuf, errbufsize, "Unknown FFI error");
//throwException(env, IllegalArgument, "Unknown FFI error");
return false;
}
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args_dbl[5];
ffi_type* cls_struct_fields[5];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_7byte g_dbl = { 127, 120, 1, 254 };
struct cls_struct_7byte f_dbl = { 12, 128, 9, 255 };
struct cls_struct_7byte res_dbl;
cls_struct_fields[0] = &ffi_type_ushort;
cls_struct_fields[1] = &ffi_type_ushort;
cls_struct_fields[2] = &ffi_type_uchar;
cls_struct_fields[3] = &ffi_type_ushort;
cls_struct_fields[4] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &g_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
/* { dg-output "127 120 1 254 12 128 9 255: 139 248 10 509" } */
printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
/* { dg-output "\nres: 139 248 10 509" } */
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_7byte_gn, NULL) == FFI_OK);
res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(pcl))(g_dbl, f_dbl);
/* { dg-output "\n127 120 1 254 12 128 9 255: 139 248 10 509" } */
printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
/* { dg-output "\nres: 139 248 10 509" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args_dbl[5];
ffi_type* cls_struct_fields[4];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_align g_dbl = { 12, (void *)4951, 127 };
struct cls_struct_align f_dbl = { 1, (void *)9320, 13 };
struct cls_struct_align res_dbl;
cls_struct_fields[0] = &ffi_type_uchar;
cls_struct_fields[1] = &ffi_type_pointer;
cls_struct_fields[2] = &ffi_type_uchar;
cls_struct_fields[3] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &g_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
/* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
printf("res: %d %d %d\n", res_dbl.a, (size_t)res_dbl.b, res_dbl.c);
/* { dg-output "\nres: 13 14271 140" } */
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
/* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
printf("res: %d %d %d\n", res_dbl.a, (size_t)res_dbl.b, res_dbl.c);
/* { dg-output "\nres: 13 14271 140" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args_dbl[3];
ffi_type* cls_struct_fields[4];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[3];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 };
struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 };
struct cls_struct_20byte res_dbl;
cls_struct_fields[0] = &ffi_type_uint32;
cls_struct_fields[1] = &ffi_type_double;
cls_struct_fields[2] = &ffi_type_double;
cls_struct_fields[3] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &g_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
/* { dg-output "1 2 3 4 5 7: 5 7 10" } */
printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
/* { dg-output "\nres: 5 7 10" } */
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_20byte_gn, NULL) == FFI_OK);
res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(pcl))(g_dbl, f_dbl);
/* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
/* { dg-output "\nres: 5 7 10" } */
exit(0);
}
static VALUE
initialize(int rbargc, VALUE argv[], VALUE self)
{
VALUE ret;
VALUE args;
VALUE abi;
fiddle_closure * cl;
ffi_cif * cif;
ffi_closure *pcl;
ffi_status result;
int i, argc;
if (2 == rb_scan_args(rbargc, argv, "21", &ret, &args, &abi))
abi = INT2NUM(FFI_DEFAULT_ABI);
Check_Type(args, T_ARRAY);
argc = RARRAY_LENINT(args);
TypedData_Get_Struct(self, fiddle_closure, &closure_data_type, cl);
cl->argv = (ffi_type **)xcalloc(argc + 1, sizeof(ffi_type *));
for (i = 0; i < argc; i++) {
int type = NUM2INT(RARRAY_PTR(args)[i]);
cl->argv[i] = INT2FFI_TYPE(type);
}
cl->argv[argc] = NULL;
rb_iv_set(self, "@ctype", ret);
rb_iv_set(self, "@args", args);
cif = &cl->cif;
pcl = cl->pcl;
result = ffi_prep_cif(cif, NUM2INT(abi), argc,
INT2FFI_TYPE(NUM2INT(ret)),
cl->argv);
if (FFI_OK != result)
rb_raise(rb_eRuntimeError, "error prepping CIF %d", result);
#ifndef DONT_USE_FFI_CLOSURE_ALLOC
result = ffi_prep_closure_loc(pcl, cif, callback,
(void *)self, cl->code);
#else
result = ffi_prep_closure(pcl, cif, callback, (void *)self);
cl->code = (void *)pcl;
mprotect(pcl, sizeof(pcl), PROT_READ | PROT_EXEC);
#endif
if (FFI_OK != result)
rb_raise(rb_eRuntimeError, "error prepping closure %d", result);
return self;
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args_dbl[5];
ffi_type* cls_struct_fields[4];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_3byte_1 g_dbl = { 15, 125 };
struct cls_struct_3byte_1 f_dbl = { 9, 19 };
struct cls_struct_3byte_1 res_dbl;
cls_struct_fields[0] = &ffi_type_uchar;
cls_struct_fields[1] = &ffi_type_ushort;
cls_struct_fields[2] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &g_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_3byte_fn1), &res_dbl, args_dbl);
/* { dg-output "15 125 9 19: 24 144" } */
printf("res: %d %d\n", res_dbl.a, res_dbl.b);
/* { dg-output "\nres: 24 144" } */
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_3byte_gn1, NULL) == FFI_OK);
res_dbl = ((cls_struct_3byte_1(*)(cls_struct_3byte_1, cls_struct_3byte_1))(pcl))(g_dbl, f_dbl);
/* { dg-output "\n15 125 9 19: 24 144" } */
printf("res: %d %d\n", res_dbl.a, res_dbl.b);
/* { dg-output "\nres: 24 144" } */
exit(0);
}
ffi_status
ffi_prep_closure_loc(ffi_closure* closure, ffi_cif* cif,
void (*fun)(ffi_cif*, void*, void**, void*),
void* user_data, void* code)
{
ffi_status retval = ffi_prep_closure(closure, cif, fun, user_data);
if (retval == FFI_OK) {
mprotect(closure, sizeof(ffi_closure), PROT_READ | PROT_EXEC);
}
return retval;
}
int main (void)
{
ffi_cif cif;
static ffi_closure cl;
ffi_closure *pcl = &cl;
void* args_dbl[5];
ffi_type* cls_struct_fields[5];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_4_1byte g_dbl = { 12, 13, 14, 15 };
struct cls_struct_4_1byte f_dbl = { 178, 179, 180, 181 };
struct cls_struct_4_1byte res_dbl;
cls_struct_fields[0] = &ffi_type_uchar;
cls_struct_fields[1] = &ffi_type_uchar;
cls_struct_fields[2] = &ffi_type_uchar;
cls_struct_fields[3] = &ffi_type_uchar;
cls_struct_fields[4] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &g_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_4_1byte_fn), &res_dbl, args_dbl);
/* { dg-output "12 13 14 15 178 179 180 181: 190 192 194 196" } */
CHECK( res_dbl.a == (g_dbl.a + f_dbl.a));
CHECK( res_dbl.b == (g_dbl.b + f_dbl.b));
CHECK( res_dbl.c == (g_dbl.c + f_dbl.c));
CHECK( res_dbl.d == (g_dbl.d + f_dbl.d));
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_4_1byte_gn, NULL) == FFI_OK);
res_dbl = ((cls_struct_4_1byte(*)(cls_struct_4_1byte, cls_struct_4_1byte))(pcl))(g_dbl, f_dbl);
/* { dg-output "\n12 13 14 15 178 179 180 181: 190 192 194 196" } */
CHECK( res_dbl.a == (g_dbl.a + f_dbl.a));
CHECK( res_dbl.b == (g_dbl.b + f_dbl.b));
CHECK( res_dbl.c == (g_dbl.c + f_dbl.c));
CHECK( res_dbl.d == (g_dbl.d + f_dbl.d));
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void * args_dbl[5];
ffi_type * cl_arg_types[5];
ffi_arg res_call;
signed char a, c;
signed short b, d, res_closure;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
a = 1;
b = 32765;
c = 127;
d = -128;
args_dbl[0] = &a;
args_dbl[1] = &b;
args_dbl[2] = &c;
args_dbl[3] = &d;
args_dbl[4] = NULL;
cl_arg_types[0] = &ffi_type_schar;
cl_arg_types[1] = &ffi_type_sshort;
cl_arg_types[2] = &ffi_type_schar;
cl_arg_types[3] = &ffi_type_sshort;
cl_arg_types[4] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
&ffi_type_sshort, cl_arg_types) == FFI_OK);
ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
/* { dg-output "1 32765 127 -128: 32765" } */
printf("res: %d\n", res_call);
/* { dg-output "\nres: 32765" } */
CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL) == FFI_OK);
res_closure = (*((test_type)pcl))(1, 32765, 127, -128);
/* { dg-output "\n1 32765 127 -128: 32765" } */
printf("res: %d\n", res_closure);
/* { dg-output "\nres: 32765" } */
exit(0);
}
int main(void)
{
ffi_type* my_ffi_struct_fields[4];
ffi_type my_ffi_struct_type;
ffi_cif cif;
static ffi_closure cl;
ffi_closure *pcl = &cl;
void* args[4];
ffi_type* arg_types[3];
struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
struct my_ffi_struct res;
my_ffi_struct_type.size = 0;
my_ffi_struct_type.alignment = 0;
my_ffi_struct_type.type = FFI_TYPE_STRUCT;
my_ffi_struct_type.elements = my_ffi_struct_fields;
my_ffi_struct_fields[0] = &ffi_type_double;
my_ffi_struct_fields[1] = &ffi_type_double;
my_ffi_struct_fields[2] = &ffi_type_double;
my_ffi_struct_fields[3] = NULL;
arg_types[0] = &my_ffi_struct_type;
arg_types[1] = &my_ffi_struct_type;
arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
arg_types) == FFI_OK);
args[0] = &g;
args[1] = &f;
args[2] = NULL;
ffi_call(&cif, FFI_FN(callee), &res, args);
/* { dg-output "1 2 3 1 2 3: 2 4 6" } */
CHECK(res.a == 2.0);
CHECK(res.b == 4.0);
CHECK(res.c == 6.0);
CHECK(ffi_prep_closure(pcl, &cif, stub, NULL) == FFI_OK);
res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(pcl))(g, f);
/* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
CHECK(res.a == 2.0);
CHECK(res.b == 4.0);
CHECK(res.c == 6.0);
exit(0);;
}
// "Leaky" in that it exists for lifetime of program,
// kind of unavoidable though.
static ffi_closure *seed_make_rl_closure(SeedObject function)
{
ffi_cif *cif;
ffi_closure *closure;
cif = g_new0(ffi_cif, 1);
closure = mmap(0, sizeof(ffi_closure), PROT_READ | PROT_WRITE |
PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
ffi_prep_cif(cif, FFI_DEFAULT_ABI, 0, &ffi_type_sint, 0);
ffi_prep_closure(closure, cif, seed_handle_rl_closure, function);
return closure;
}
static bool
callback_prep(void* ctx, void* code, Closure* closure, char* errmsg, size_t errmsgsize)
{
FunctionType* fnInfo = (FunctionType *) ctx;
ffi_status ffiStatus;
ffiStatus = ffi_prep_closure(code, &fnInfo->ffi_cif, callback_invoke, closure);
if (ffiStatus != FFI_OK) {
snprintf(errmsg, errmsgsize, "ffi_prep_closure failed. status=%#x", ffiStatus);
return false;
}
return true;
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[17];
int res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cl_arg_types[0] = &ffi_type_uint64;
cl_arg_types[1] = &ffi_type_uint;
cl_arg_types[2] = &ffi_type_uint64;
cl_arg_types[3] = &ffi_type_uint;
cl_arg_types[4] = &ffi_type_sshort;
cl_arg_types[5] = &ffi_type_uint64;
cl_arg_types[6] = &ffi_type_uint;
cl_arg_types[7] = &ffi_type_uint;
cl_arg_types[8] = &ffi_type_double;
cl_arg_types[9] = &ffi_type_uint;
cl_arg_types[10] = &ffi_type_uint;
cl_arg_types[11] = &ffi_type_float;
cl_arg_types[12] = &ffi_type_uint;
cl_arg_types[13] = &ffi_type_uint;
cl_arg_types[14] = &ffi_type_uint;
cl_arg_types[15] = &ffi_type_uint;
cl_arg_types[16] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn0,
(void *) 3 /* userdata */) == FFI_OK);
res = (*((closure_test_type0)pcl))
(1LL, 2, 3LL, 4, 127, 429LL, 7, 8, 9.5, 10, 11, 12, 13,
19, 21, 1);
/* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
printf("res: %d\n",res);
/* { dg-output "\nres: 680" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[17];
int res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cl_arg_types[0] = &ffi_type_float;
cl_arg_types[1] = &ffi_type_float;
cl_arg_types[2] = &ffi_type_float;
cl_arg_types[3] = &ffi_type_float;
cl_arg_types[4] = &ffi_type_float;
cl_arg_types[5] = &ffi_type_float;
cl_arg_types[6] = &ffi_type_float;
cl_arg_types[7] = &ffi_type_float;
cl_arg_types[8] = &ffi_type_double;
cl_arg_types[9] = &ffi_type_uint;
cl_arg_types[10] = &ffi_type_float;
cl_arg_types[11] = &ffi_type_float;
cl_arg_types[12] = &ffi_type_uint;
cl_arg_types[13] = &ffi_type_float;
cl_arg_types[14] = &ffi_type_float;
cl_arg_types[15] = &ffi_type_uint;
cl_arg_types[16] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn3,
(void *) 3 /* userdata */) == FFI_OK);
res = (*((closure_test_type3)pcl))
(1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9, 10, 11.11, 12.0, 13,
19.19, 21.21, 1);
/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 19 21 1 3: 135" } */
printf("res: %d\n",res);
/* { dg-output "\nres: 135" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
static ffi_closure cl;
ffi_closure *pcl = &cl;
void* args_dbl[5];
ffi_type* cls_struct_fields[4];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_3byte g_dbl = { 12, 119 };
struct cls_struct_3byte f_dbl = { 1, 15 };
struct cls_struct_3byte res_dbl;
cls_struct_fields[0] = &ffi_type_ushort;
cls_struct_fields[1] = &ffi_type_uchar;
cls_struct_fields[2] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &g_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_3byte_fn), &res_dbl, args_dbl);
/* { dg-output "12 119 1 15: 13 134" } */
CHECK( res_dbl.a == (g_dbl.a + f_dbl.a));
CHECK( res_dbl.b == (g_dbl.b + f_dbl.b));
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_3byte_gn, NULL) == FFI_OK);
res_dbl = ((cls_struct_3byte(*)(cls_struct_3byte, cls_struct_3byte))(pcl))(g_dbl, f_dbl);
/* { dg-output "\n12 119 1 15: 13 134" } */
CHECK( res_dbl.a == (g_dbl.a + f_dbl.a));
CHECK( res_dbl.b == (g_dbl.b + f_dbl.b));
exit(0);
}
void*
createAdjustor (int cconv,
StgStablePtr hptr,
StgFunPtr wptr,
char *typeString)
{
ffi_cif *cif;
ffi_type **arg_types;
nat n_args, i;
ffi_type *result_type;
ffi_closure *cl;
int r, abi;
void *code;
n_args = strlen(typeString) - 1;
cif = stgMallocBytes(sizeof(ffi_cif), "createAdjustor");
arg_types = stgMallocBytes(n_args * sizeof(ffi_type*), "createAdjustor");
result_type = char_to_ffi_type(typeString[0]);
for (i=0; i < n_args; i++) {
arg_types[i] = char_to_ffi_type(typeString[i+1]);
}
switch (cconv) {
#if defined(mingw32_HOST_OS) && defined(i386_HOST_ARCH)
case 0: /* stdcall */
abi = FFI_STDCALL;
break;
#endif
case 1: /* ccall */
abi = FFI_DEFAULT_ABI;
break;
default:
barf("createAdjustor: convention %d not supported on this platform", cconv);
}
r = ffi_prep_cif(cif, abi, n_args, result_type, arg_types);
if (r != FFI_OK) barf("ffi_prep_cif failed: %d", r);
cl = allocateExec(sizeof(ffi_closure), &code);
if (cl == NULL) {
barf("createAdjustor: failed to allocate memory");
}
r = ffi_prep_closure(cl, cif, (void*)wptr, hptr/*userdata*/);
if (r != FFI_OK) barf("ffi_prep_closure failed: %d", r);
return (void*)code;
}
static bool
prep_trampoline(void* ctx, void* code, Closure* closure, char* errmsg, size_t errmsgsize)
{
ffi_status ffiStatus;
#if defined(USE_RAW)
ffiStatus = ffi_prep_raw_closure(code, &mh_cif, attached_method_invoke, closure);
#else
ffiStatus = ffi_prep_closure(code, &mh_cif, attached_method_invoke, closure);
#endif
if (ffiStatus != FFI_OK) {
snprintf(errmsg, errmsgsize, "ffi_prep_closure failed. status=%#x", ffiStatus);
return false;
}
return true;
}
ffi_status
ffi_prep_java_raw_closure (ffi_raw_closure* cl,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data)
{
ffi_status status;
status = ffi_prep_closure ((ffi_closure*) cl,
cif,
&ffi_java_translate_args,
(void*)cl);
if (status == FFI_OK)
{
cl->fun = fun;
cl->user_data = user_data;
}
return status;
}
int main (void)
{
ffi_cif cif;
static ffi_closure cl;
ffi_closure *pcl = &cl;
ffi_type * cl_arg_types[2];
cl_arg_types[0] = &ffi_type_ushort;
cl_arg_types[1] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_ushort, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, cls_ret_ushort_fn, NULL) == FFI_OK);
(*((cls_ret_ushort)pcl))(65535);
/* { dg-output "65535: 65535" } */
exit(0);
}
static int alien_callback_new(lua_State *L) {
int fn_ref;
alien_Callback *ac;
ffi_closure **ud;
ffi_status status;
ffi_abi abi;
luaL_checktype(L, 1, LUA_TFUNCTION);
ac = (alien_Callback *)malloc(sizeof(alien_Callback));
ud = (ffi_closure **)lua_newuserdata(L, sizeof(ffi_closure**));
if(ac != NULL && ud != NULL) {
int j;
*ud = malloc_closure();
if(*ud == NULL) { free(ac); luaL_error(L, "alien: cannot allocate callback"); }
ac->L = L;
ac->ret_type = AT_VOID;
ac->ffi_ret_type = &ffi_type_void;
abi = FFI_DEFAULT_ABI;
ac->nparams = 0;
ac->params = NULL;
ac->ffi_params = NULL;
lua_pushvalue(L, 1);
ac->fn_ref = lua_ref(L, 1);
luaL_getmetatable(L, ALIEN_CALLBACK_META);
lua_setmetatable(L, -2);
status = ffi_prep_cif(&(ac->cif), abi, ac->nparams,
ac->ffi_ret_type, ac->ffi_params);
if(status != FFI_OK) luaL_error(L, "alien: cannot create callback");
status = ffi_prep_closure(*ud, &(ac->cif), &alien_callback_call, ac);
ac->fn = *ud;
ac->lib = NULL;
ac->name = NULL;
if(status != FFI_OK) luaL_error(L, "alien: cannot create callback");
return 1;
} else {
if(ac) free(ac);
luaL_error(L, "alien: cannot allocate callback");
}
return 0;
}
int main (void)
{
ffi_cif cif;
static ffi_closure cl;
ffi_closure *pcl = &cl;
ffi_type * cl_arg_types[17];
cl_arg_types[0] = &ffi_type_float;
cl_arg_types[1] = &ffi_type_float;
cl_arg_types[2] = &ffi_type_float;
cl_arg_types[3] = &ffi_type_float;
cl_arg_types[4] = &ffi_type_sshort;
cl_arg_types[5] = &ffi_type_float;
cl_arg_types[6] = &ffi_type_float;
cl_arg_types[7] = &ffi_type_uint;
cl_arg_types[8] = &ffi_type_double;
cl_arg_types[9] = &ffi_type_uint;
cl_arg_types[10] = &ffi_type_uint;
cl_arg_types[11] = &ffi_type_float;
cl_arg_types[12] = &ffi_type_uint;
cl_arg_types[13] = &ffi_type_uint;
cl_arg_types[14] = &ffi_type_uint;
cl_arg_types[15] = &ffi_type_uint;
cl_arg_types[16] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn1,
(void *) 3 /* userdata */) == FFI_OK);
(*((closure_test_type1)pcl))
(1.1, 2.2, 3.3, 4.4, 127, 5.5, 6.6, 8, 9, 10, 11, 12.0, 13,
19, 21, 1);
/* { dg-output "1 2 3 4 127 5 6 8 9 10 11 12 13 19 21 1 3: 255" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[17];
int i, res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
for (i = 0; i < 15; i++) {
cl_arg_types[i] = &ffi_type_uint64;
}
cl_arg_types[15] = &ffi_type_uint;
cl_arg_types[16] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn0,
(void *) 3 /* userdata */) == FFI_OK);
res = (*((closure_test_type0)pcl))
(1LL, 2LL, 3LL, 4LL, 127LL, 429LL, 7LL, 8LL, 9LL, 10LL, 11LL, 12LL,
13LL, 19LL, 21LL, 1);
/* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
printf("res: %d\n",res);
/* { dg-output "\nres: 680" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[3];
int i, res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
//pcl = &cl;
pcl = malloc(sizeof(*pcl));
#endif
cl_arg_types[0] = &ffi_type_pointer;
cl_arg_types[1] = &ffi_type_pointer;
cl_arg_types[2] = &ffi_type_pointer;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn7,
(void *) 99 /* userdata */) == FFI_OK);
base_func(4, 5, 6);
/* { dg-output "4 5 6\n" } */
(*((closure_test_type7)pcl))((void*)1, (void*)2, (void*)3);
/* { dg-output "1 2 3\n" } */
exit(0);
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args_dbl[5];
ffi_type* cls_struct_fields[10];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct_72byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 7 };
struct_72byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4 };
struct_72byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 3 };
struct_72byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 2 };
struct_72byte res_dbl;
cls_struct_fields[0] = &ffi_type_double;
cls_struct_fields[1] = &ffi_type_double;
cls_struct_fields[2] = &ffi_type_double;
cls_struct_fields[3] = &ffi_type_double;
cls_struct_fields[4] = &ffi_type_double;
cls_struct_fields[5] = &ffi_type_double;
cls_struct_fields[6] = &ffi_type_double;
cls_struct_fields[7] = &ffi_type_double;
cls_struct_fields[8] = &ffi_type_sint64;
cls_struct_fields[9] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = &cls_struct_type;
dbl_arg_types[3] = &cls_struct_type;
dbl_arg_types[4] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &e_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = &g_dbl;
args_dbl[3] = &h_dbl;
args_dbl[4] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_72byte_fn), &res_dbl, args_dbl);
/* { dg-output "22 15 17 25 6 13 19 18 16" } */
printf("res: %g %g %g %g %g %g %g %g %lld\n", res_dbl.a, res_dbl.b, res_dbl.c,
res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_72byte_gn, NULL) == FFI_OK);
res_dbl = ((struct_72byte(*)(struct_72byte, struct_72byte,
struct_72byte, struct_72byte))(pcl))(e_dbl, f_dbl, g_dbl, h_dbl);
/* { dg-output "\n22 15 17 25 6 13 19 18 16" } */
printf("res: %g %g %g %g %g %g %g %g %lld\n", res_dbl.a, res_dbl.b, res_dbl.c,
res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
exit(0);
}
int main(/*@unused@*/ int argc, /*@unused@*/ char *argv[])
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
char *s;
signed char sc;
unsigned char uc;
signed short ss;
unsigned short us;
unsigned long ul;
long long ll;
float f;
double d;
long double ld;
signed int si1;
signed int si2;
ffi_arg rint;
long long rlonglong;
ffi_type ts1_type;
ffi_type ts2_type;
ffi_type ts3_type;
ffi_type ts4_type;
ffi_type ts5_type;
ffi_type *ts1_type_elements[4];
ffi_type *ts2_type_elements[3];
ffi_type *ts3_type_elements[2];
ffi_type *ts4_type_elements[4];
ffi_type *ts5_type_elements[3];
ts1_type.size = 0;
ts1_type.alignment = 0;
ts1_type.type = FFI_TYPE_STRUCT;
ts2_type.size = 0;
ts2_type.alignment = 0;
ts2_type.type = FFI_TYPE_STRUCT;
ts3_type.size = 0;
ts3_type.alignment = 0;
ts3_type.type = FFI_TYPE_STRUCT;
ts4_type.size = 0;
ts4_type.alignment = 0;
ts4_type.type = FFI_TYPE_STRUCT;
ts5_type.size = 0;
ts5_type.alignment = 0;
ts5_type.type = FFI_TYPE_STRUCT;
/*@-immediatetrans@*/
ts1_type.elements = ts1_type_elements;
ts2_type.elements = ts2_type_elements;
ts3_type.elements = ts3_type_elements;
ts4_type.elements = ts4_type_elements;
ts5_type.elements = ts5_type_elements;
/*@=immediatetrans@*/
ts1_type_elements[0] = &ffi_type_uchar;
ts1_type_elements[1] = &ffi_type_double;
ts1_type_elements[2] = &ffi_type_uint;
ts1_type_elements[3] = NULL;
ts2_type_elements[0] = &ffi_type_double;
ts2_type_elements[1] = &ffi_type_double;
ts2_type_elements[2] = NULL;
ts3_type_elements[0] = &ffi_type_sint;
ts3_type_elements[1] = NULL;
ts4_type_elements[0] = &ffi_type_uint;
ts4_type_elements[1] = &ffi_type_uint;
ts4_type_elements[2] = &ffi_type_uint;
ts4_type_elements[3] = NULL;
ts5_type_elements[0] = &ffi_type_schar;
ts5_type_elements[1] = &ffi_type_schar;
ts5_type_elements[2] = NULL;
ul = 0;
/* return value tests */
{
#if defined(MIPS) /* || defined(ARM) */
puts ("long long tests not run. This is a known bug on this architecture.");
#else
args[0] = &ffi_type_sint64;
values[0] = ≪
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_sint64, args) == FFI_OK);
for (ll = 0LL; ll < 100LL; ll++)
{
ul++;
ffi_call(&cif, FFI_FN(return_ll), &rlonglong, values);
CHECK(rlonglong == ll);
}
for (ll = 55555555555000LL; ll < 55555555555100LL; ll++)
{
ul++;
ffi_call(&cif, FFI_FN(return_ll), &rlonglong, values);
CHECK(rlonglong == ll);
}
#endif
args[0] = &ffi_type_schar;
values[0] = ≻
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_schar, args) == FFI_OK);
for (sc = (signed char) -127;
sc < (signed char) 127; /*@-type@*/ sc++ /*@=type@*/)
{
ul++;
ffi_call(&cif, FFI_FN(return_sc), &rint, values);
CHECK(rint == (int) sc);
}
args[0] = &ffi_type_uchar;
values[0] = &uc;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_uchar, args) == FFI_OK);
for (uc = (unsigned char) '\x00';
uc < (unsigned char) '\xff'; /*@-type@*/ uc++ /*@=type@*/)
{
ul++;
ffi_call(&cif, FFI_FN(return_uc), &rint, values);
CHECK(rint == (signed int) uc);
}
printf("%lu return value tests run\n", ul);
}
#ifdef BROKEN_LONG_DOUBLE
printf ("This architecture has broken `long double' support. No floating point\ntests have been run.\n");
#else
/* float arg tests */
{
args[0] = &ffi_type_float;
values[0] = &f;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_longdouble, args) == FFI_OK);
f = 3.14159;
#if 0
/* This is ifdef'd out for now. long double support under SunOS/gcc
is pretty much non-existent. You'll get the odd bus error in library
routines like printf(). */
printf ("%Lf\n", ldblit(f));
#endif
ld = 666;
ffi_call(&cif, FFI_FN(ldblit), &ld, values);
#if 0
/* This is ifdef'd out for now. long double support under SunOS/gcc
is pretty much non-existent. You'll get the odd bus error in library
routines like printf(). */
printf ("%Lf, %Lf, %Lf, %Lf\n", ld, ldblit(f), ld - ldblit(f), LDBL_EPSILON);
#endif
/* These are not always the same!! Check for a reasonable delta */
/*@-realcompare@*/
if (ld - ldblit(f) < LDBL_EPSILON)
/*@=realcompare@*/
puts("long double return value tests ok!");
else
CHECK(0);
}
/* float arg tests */
{
args[0] = &ffi_type_sint;
values[0] = &si1;
args[1] = &ffi_type_float;
values[1] = &f;
args[2] = &ffi_type_double;
values[2] = &d;
args[3] = &ffi_type_longdouble;
values[3] = &ld;
args[4] = &ffi_type_sint;
values[4] = &si2;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 5,
&ffi_type_sint, args) == FFI_OK);
si1 = 6;
f = 3.14159;
d = (double)1.0/(double)3.0;
ld = 2.71828182846L;
si2 = 10;
floating (si1, f, d, ld, si2);
ffi_call(&cif, FFI_FN(floating), &rint, values);
printf ("%d vs %d\n", rint, floating (si1, f, d, ld, si2));
CHECK(rint == floating(si1, f, d, ld, si2));
printf("float arg tests ok!\n");
}
#endif
/* strlen tests */
{
args[0] = &ffi_type_pointer;
values[0] = (void*) &s;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_sint, args) == FFI_OK);
s = "a";
ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
CHECK(rint == 1);
s = "1234567";
ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
CHECK(rint == 7);
s = "1234567890123456789012345";
ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
CHECK(rint == 25);
printf("strlen tests passed\n");
}
/* float arg tests */
{
args[0] = &ffi_type_float;
values[0] = &f;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_double, args) == FFI_OK);
f = 3.14159;
ffi_call(&cif, FFI_FN(dblit), &d, values);
/* These are not always the same!! Check for a reasonable delta */
/*@-realcompare@*/
CHECK(d - dblit(f) < DBL_EPSILON);
/*@=realcompare@*/
printf("double return value tests ok!\n");
}
/* many arg tests */
{
float ff;
float fa[13];
for (ul = 0; ul < 13; ul++)
{
args[ul] = &ffi_type_float;
values[ul] = &fa[ul];
fa[ul] = (float) ul;
}
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13,
&ffi_type_float, args) == FFI_OK);
/*@-usedef@*/
ff = many(fa[0], fa[1],
fa[2], fa[3],
fa[4], fa[5],
fa[6], fa[7],
fa[8], fa[9],
fa[10],fa[11],fa[12]);
/*@=usedef@*/
ffi_call(&cif, FFI_FN(many), &f, values);
/*@-realcompare@*/
if (f - ff < FLT_EPSILON)
/*@=realcompare@*/
printf("many arg tests ok!\n");
else
#ifdef POWERPC
printf("many arg tests failed! This is a gcc bug.\n");
#else
CHECK(0);
#endif
}
/* promotion tests */
{
args[0] = &ffi_type_schar;
args[1] = &ffi_type_sshort;
args[2] = &ffi_type_uchar;
args[3] = &ffi_type_ushort;
values[0] = ≻
values[1] = &ss;
values[2] = &uc;
values[3] = &us;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
&ffi_type_sint, args) == FFI_OK);
us = 0;
ul = 0;
for (sc = (signed char) -127;
sc <= (signed char) 120; /*@-type@*/ sc += 1 /*@=type@*/)
for (ss = -30000; ss <= 30000; ss += 10000)
for (uc = (unsigned char) 0;
uc <= (unsigned char) 200; /*@-type@*/ uc += 20 /*@=type@*/)
for (us = 0; us <= 60000; us += 10000)
{
ul++;
ffi_call(&cif, FFI_FN(promotion), &rint, values);
CHECK(rint == (int) sc + (int) ss + (int) uc + (int) us);
}
printf("%lu promotion tests run\n", ul);
}
#ifndef X86_WIN32 /* Structures dont work on Win32 */
/* struct tests */
{
test_structure_1 ts1_arg;
/* This is a hack to get a properly aligned result buffer */
test_structure_1 *ts1_result =
(test_structure_1 *) malloc (sizeof(test_structure_1));
args[0] = &ts1_type;
values[0] = &ts1_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ts1_type, args) == FFI_OK);
ts1_arg.uc = '\x01';
ts1_arg.d = 3.14159;
ts1_arg.ui = 555;
ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
CHECK(ts1_result->ui == 556);
CHECK(ts1_result->d == 3.14159 - 1);
puts ("structure test 1 ok!\n");
free (ts1_result);
}
/* struct tests */
{
test_structure_2 ts2_arg;
/* This is a hack to get a properly aligned result buffer */
test_structure_2 *ts2_result =
(test_structure_2 *) malloc (sizeof(test_structure_2));
args[0] = &ts2_type;
values[0] = &ts2_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ts2_type, args) == FFI_OK);
ts2_arg.d1 = 5.55;
ts2_arg.d2 = 6.66;
printf ("%g\n", ts2_result->d1);
printf ("%g\n", ts2_result->d2);
ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
printf ("%g\n", ts2_result->d1);
printf ("%g\n", ts2_result->d2);
CHECK(ts2_result->d1 == 5.55 - 1);
CHECK(ts2_result->d2 == 6.66 - 1);
printf("structure test 2 ok!\n");
free (ts2_result);
}
/* struct tests */
{
int compare_value;
test_structure_3 ts3_arg;
test_structure_3 *ts3_result =
(test_structure_3 *) malloc (sizeof(test_structure_3));
args[0] = &ts3_type;
values[0] = &ts3_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ts3_type, args) == FFI_OK);
ts3_arg.si = -123;
compare_value = ts3_arg.si;
ffi_call(&cif, FFI_FN(struct3), ts3_result, values);
printf ("%d %d\n", ts3_result->si, -(compare_value*2));
if (ts3_result->si == -(ts3_arg.si*2))
puts ("structure test 3 ok!");
else
{
puts ("Structure test 3 found structure passing bug.");
puts (" Current versions of GCC are not 100% compliant with the");
puts (" n32 ABI. There is a known problem related to passing");
puts (" small structures. Send a bug report to the gcc maintainers.");
}
free (ts3_result);
}
/* struct tests */
{
test_structure_4 ts4_arg;
/* This is a hack to get a properly aligned result buffer */
test_structure_4 *ts4_result =
(test_structure_4 *) malloc (sizeof(test_structure_4));
args[0] = &ts4_type;
values[0] = &ts4_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ts4_type, args) == FFI_OK);
ts4_arg.ui1 = 2;
ts4_arg.ui2 = 3;
ts4_arg.ui3 = 4;
ffi_call (&cif, FFI_FN(struct4), ts4_result, values);
if (ts4_result->ui3 == 2U * 3U * 4U)
puts ("structure test 4 ok!");
else
puts ("Structure test 4 found GCC's structure passing bug.");
free (ts4_result);
}
/* struct tests */
{
test_structure_5 ts5_arg1, ts5_arg2;
/* This is a hack to get a properly aligned result buffer */
test_structure_5 *ts5_result =
(test_structure_5 *) malloc (sizeof(test_structure_5));
args[0] = &ts5_type;
args[1] = &ts5_type;
values[0] = &ts5_arg1;
values[1] = &ts5_arg2;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
&ts5_type, args) == FFI_OK);
ts5_arg1.c1 = 2;
ts5_arg1.c2 = 6;
ts5_arg2.c1 = 5;
ts5_arg2.c2 = 3;
ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
if (ts5_result->c1 == 7
&& ts5_result->c2 == 3)
puts ("structure test 5 ok!");
else
puts ("Structure test 5 found GCC's structure passing bug.");
free (ts5_result);
}
#else
printf("Structure passing doesn't work on Win32.\n");
#endif /* X86_WIN32 */
# if FFI_CLOSURES
/* A simple closure test */
{
ffi_closure cl;
ffi_type * cl_arg_types[3];
cl_arg_types[0] = &ffi_type_sint;
cl_arg_types[1] = &ffi_type_float;
cl_arg_types[2] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(&cl, &cif, closure_test_fn,
(void *) 3 /* userdata */)
== FFI_OK);
CHECK((*((closure_test_type)(&cl)))(1, 2.0) == 6);
}
# endif
/* If we arrived here, all is good */
(void) puts("\nLooks good. No surprises.\n");
/*@-compdestroy@*/
return 0;
}
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void* args_dbl[5];
ffi_type* cls_struct_fields[4];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_16byte h_dbl = { 7, 8.0, 9 };
struct cls_struct_16byte j_dbl = { 1, 9.0, 3 };
struct cls_struct_16byte res_dbl;
cls_struct_fields[0] = &ffi_type_uint32;
cls_struct_fields[1] = &ffi_type_double;
cls_struct_fields[2] = &ffi_type_uint32;
cls_struct_fields[3] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &h_dbl;
args_dbl[1] = &j_dbl;
args_dbl[2] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_16byte_fn), &res_dbl, args_dbl);
/* { dg-output "7 8 9 1 9 3: 8 17 12" } */
printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
/* { dg-output "\nres: 8 17 12" } */
res_dbl.a = 0;
res_dbl.b = 0.0;
res_dbl.c = 0;
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_16byte_gn, NULL) == FFI_OK);
res_dbl = ((cls_struct_16byte(*)(cls_struct_16byte, cls_struct_16byte))(pcl))(h_dbl, j_dbl);
/* { dg-output "\n7 8 9 1 9 3: 8 17 12" } */
printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
/* { dg-output "\nres: 8 17 12" } */
exit(0);
}
ffi_info *AllocFunctionCallback(PyObject *callable,
PyObject *converters,
PyObject *restype,
int is_cdecl)
{
int result;
ffi_info *p;
int nArgs, i;
ffi_abi cc;
nArgs = PySequence_Size(converters);
p = (ffi_info *)PyMem_Malloc(sizeof(ffi_info) + sizeof(ffi_type) * (nArgs + 1));
if (p == NULL) {
PyErr_NoMemory();
return NULL;
}
p->pcl = MallocClosure();
if (p->pcl == NULL) {
PyErr_NoMemory();
goto error;
}
for (i = 0; i < nArgs; ++i) {
PyObject *cnv = PySequence_GetItem(converters, i);
if (cnv == NULL)
goto error;
p->atypes[i] = GetType(cnv);
Py_DECREF(cnv);
}
p->atypes[i] = NULL;
if (restype == Py_None) {
p->setfunc = NULL;
p->restype = &ffi_type_void;
} else {
StgDictObject *dict = PyType_stgdict(restype);
if (dict == NULL || dict->setfunc == NULL) {
PyErr_SetString(PyExc_TypeError,
"invalid result type for callback function");
goto error;
}
p->setfunc = dict->setfunc;
p->restype = &dict->ffi_type_pointer;
}
cc = FFI_DEFAULT_ABI;
#if defined(MS_WIN32) && !defined(_WIN32_WCE)
if (is_cdecl == 0)
cc = FFI_STDCALL;
#endif
result = ffi_prep_cif(&p->cif, cc, nArgs,
GetType(restype),
&p->atypes[0]);
if (result != FFI_OK) {
PyErr_Format(PyExc_RuntimeError,
"ffi_prep_cif failed with %d", result);
goto error;
}
result = ffi_prep_closure(p->pcl, &p->cif, closure_fcn, p);
if (result != FFI_OK) {
PyErr_Format(PyExc_RuntimeError,
"ffi_prep_closure failed with %d", result);
goto error;
}
p->converters = converters;
p->callable = callable;
return p;
error:
if (p) {
if (p->pcl)
FreeClosure(p->pcl);
PyMem_Free(p);
}
return NULL;
}
CThunkObject *_ctypes_alloc_callback(PyObject *callable,
PyObject *converters,
PyObject *restype,
int flags)
{
int result;
CThunkObject *p;
Py_ssize_t nArgs, i;
ffi_abi cc;
nArgs = PySequence_Size(converters);
p = CThunkObject_new(nArgs);
if (p == NULL)
return NULL;
assert(CThunk_CheckExact((PyObject *)p));
p->pcl = _ctypes_alloc_closure();
if (p->pcl == NULL) {
PyErr_NoMemory();
goto error;
}
p->flags = flags;
for (i = 0; i < nArgs; ++i) {
PyObject *cnv = PySequence_GetItem(converters, i);
if (cnv == NULL)
goto error;
p->atypes[i] = _ctypes_get_ffi_type(cnv);
Py_DECREF(cnv);
}
p->atypes[i] = NULL;
Py_INCREF(restype);
p->restype = restype;
if (restype == Py_None) {
p->setfunc = NULL;
p->ffi_restype = &ffi_type_void;
} else {
StgDictObject *dict = PyType_stgdict(restype);
if (dict == NULL || dict->setfunc == NULL) {
PyErr_SetString(PyExc_TypeError,
"invalid result type for callback function");
goto error;
}
p->setfunc = dict->setfunc;
p->ffi_restype = &dict->ffi_type_pointer;
}
cc = FFI_DEFAULT_ABI;
#if defined(MS_WIN32) && !defined(_WIN32_WCE) && !defined(MS_WIN64)
if ((flags & FUNCFLAG_CDECL) == 0)
cc = FFI_STDCALL;
#endif
result = ffi_prep_cif(&p->cif, cc,
Py_SAFE_DOWNCAST(nArgs, Py_ssize_t, int),
_ctypes_get_ffi_type(restype),
&p->atypes[0]);
if (result != FFI_OK) {
PyErr_Format(PyExc_RuntimeError,
"ffi_prep_cif failed with %d", result);
goto error;
}
result = ffi_prep_closure(p->pcl, &p->cif, closure_fcn, p);
if (result != FFI_OK) {
PyErr_Format(PyExc_RuntimeError,
"ffi_prep_closure failed with %d", result);
goto error;
}
Py_INCREF(converters);
p->converters = converters;
Py_INCREF(callable);
p->callable = callable;
return p;
error:
Py_XDECREF(p);
return NULL;
}
