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Brian Fiete 2019-08-23 11:56:54 -07:00
parent c74712dad9
commit 078564ac9e
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90
BeefySysLib/third_party/libffi/testsuite/libffi.call/cls_3byte2.c vendored Normal file
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/* Area: ffi_call, closure_call
Purpose: Check structure passing with different structure size.
Especially with small structures which may fit in one
register. Depending on the ABI. Check overlapping.
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20030828 */
/* { dg-do run } */
#include "ffitest.h"
typedef struct cls_struct_3byte_1 {
unsigned char a;
unsigned short b;
} cls_struct_3byte_1;
cls_struct_3byte_1 cls_struct_3byte_fn1(struct cls_struct_3byte_1 a1,
struct cls_struct_3byte_1 a2)
{
struct cls_struct_3byte_1 result;
result.a = a1.a + a2.a;
result.b = a1.b + a2.b;
printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
return result;
}
static void
cls_struct_3byte_gn1(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
struct cls_struct_3byte_1 a1, a2;
a1 = *(struct cls_struct_3byte_1*)(args[0]);
a2 = *(struct cls_struct_3byte_1*)(args[1]);
*(cls_struct_3byte_1*)resp = cls_struct_3byte_fn1(a1, a2);
}
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
void* args_dbl[5];
ffi_type* cls_struct_fields[4];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
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_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_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_loc(pcl, &cif, cls_struct_3byte_gn1, NULL, code) == FFI_OK);
res_dbl = ((cls_struct_3byte_1(*)(cls_struct_3byte_1, cls_struct_3byte_1))(code))(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);
}