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/nested_struct3.c | 118 ++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 libffi/testsuite/libffi.call/nested_struct3.c (limited to 'libffi/testsuite/libffi.call/nested_struct3.c') diff --git a/libffi/testsuite/libffi.call/nested_struct3.c b/libffi/testsuite/libffi.call/nested_struct3.c new file mode 100644 index 0000000..95cf2f3 --- /dev/null +++ b/libffi/testsuite/libffi.call/nested_struct3.c @@ -0,0 +1,118 @@ +/* Area: ffi_call, closure_call + Purpose: Check structure passing with different structure size. + Contains structs as parameter of the struct itself. + Sample taken from Alan Modras patch to src/prep_cif.c. + Limitations: none. + PR: none. + Originator: 20030911 */ + +/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ +#include "ffitest.h" + +typedef struct A { + unsigned long long a; + unsigned char b; +} A; + +typedef struct B { + struct A x; + unsigned char y; +} B; + +B B_fn(struct A b0, struct B b1) +{ + struct B result; + + result.x.a = b0.a + b1.x.a; + result.x.b = b0.b + b1.x.b + b1.y; + result.y = b0.b + b1.x.b; + + printf("%d %d %d %d %d: %d %d %d\n", (int)b0.a, b0.b, + (int)b1.x.a, b1.x.b, b1.y, + (int)result.x.a, result.x.b, result.y); + + return result; +} + +static void +B_gn(ffi_cif* cif, void* resp, void** args, void* userdata) +{ + struct A b0; + struct B b1; + + b0 = *(struct A*)(args[0]); + b1 = *(struct B*)(args[1]); + + *(B*)resp = B_fn(b0, b1); +} + +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[3]; + ffi_type* cls_struct_fields1[3]; + ffi_type cls_struct_type, cls_struct_type1; + 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; + + cls_struct_type1.size = 0; + cls_struct_type1.alignment = 0; + cls_struct_type1.type = FFI_TYPE_STRUCT; + cls_struct_type1.elements = cls_struct_fields1; + + struct A e_dbl = { 1LL, 7}; + struct B f_dbl = {{12LL , 127}, 99}; + + struct B res_dbl; + + cls_struct_fields[0] = &ffi_type_uint64; + cls_struct_fields[1] = &ffi_type_uchar; + cls_struct_fields[2] = NULL; + + cls_struct_fields1[0] = &cls_struct_type; + cls_struct_fields1[1] = &ffi_type_uchar; + cls_struct_fields1[2] = NULL; + + + dbl_arg_types[0] = &cls_struct_type; + dbl_arg_types[1] = &cls_struct_type1; + dbl_arg_types[2] = NULL; + + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1, + dbl_arg_types) == FFI_OK); + + args_dbl[0] = &e_dbl; + args_dbl[1] = &f_dbl; + args_dbl[2] = NULL; + + ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl); + /* { dg-output "1 7 12 127 99: 13 233 134" } */ + CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a)); + CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y)); + CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b)); + + + CHECK(ffi_prep_closure(pcl, &cif, B_gn, NULL) == FFI_OK); + + res_dbl = ((B(*)(A, B))(pcl))(e_dbl, f_dbl); + /* { dg-output "\n1 7 12 127 99: 13 233 134" } */ + CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a)); + CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y)); + CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b)); + exit(0); +} -- cgit v1.2.3