From 181d8ded82d49d0133d9d6fd1631d9816c970bfa Mon Sep 17 00:00:00 2001 From: Matthias Benkard Date: Sat, 26 Jan 2008 12:06:34 +0100 Subject: Import libffi from PyObjC 1.3.7. darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92 --- libffi/testsuite/libffi.call/cls_2byte.c | 97 ++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 libffi/testsuite/libffi.call/cls_2byte.c (limited to 'libffi/testsuite/libffi.call/cls_2byte.c') diff --git a/libffi/testsuite/libffi.call/cls_2byte.c b/libffi/testsuite/libffi.call/cls_2byte.c new file mode 100644 index 0000000..2e38177 --- /dev/null +++ b/libffi/testsuite/libffi.call/cls_2byte.c @@ -0,0 +1,97 @@ +/* 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. + Limitations: none. + PR: none. + Originator: 20030828 */ + +/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ +#include "ffitest.h" + +typedef struct cls_struct_2byte { + unsigned char a; + unsigned char b; +} cls_struct_2byte; + +cls_struct_2byte cls_struct_2byte_fn(struct cls_struct_2byte a1, + struct cls_struct_2byte a2) +{ + struct cls_struct_2byte 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_2byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) +{ + + struct cls_struct_2byte a1, a2; + + a1 = *(struct cls_struct_2byte*)(args[0]); + a2 = *(struct cls_struct_2byte*)(args[1]); + + *(cls_struct_2byte*)resp = cls_struct_2byte_fn(a1, a2); +} + +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_2byte g_dbl = { 12, 127 }; + struct cls_struct_2byte f_dbl = { 1, 13 }; + struct cls_struct_2byte res_dbl; + + cls_struct_fields[0] = &ffi_type_uchar; + 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_2byte_fn), &res_dbl, args_dbl); + /* { dg-output "12 127 1 13: 13 140" } */ + printf("res: %d %d\n", res_dbl.a, res_dbl.b); + /* { dg-output "\nres: 13 140" } */ + + CHECK(ffi_prep_closure(pcl, &cif, cls_struct_2byte_gn, NULL) == FFI_OK); + + res_dbl = ((cls_struct_2byte(*)(cls_struct_2byte, cls_struct_2byte))(pcl))(g_dbl, f_dbl); + /* { dg-output "\n12 127 1 13: 13 140" } */ + printf("res: %d %d\n", res_dbl.a, res_dbl.b); + /* { dg-output "\nres: 13 140" } */ + + exit(0); +} -- cgit v1.2.3