From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- libffi/testsuite/libffi.call/nested_struct5.c | 112 ++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 libffi/testsuite/libffi.call/nested_struct5.c (limited to 'libffi/testsuite/libffi.call/nested_struct5.c') diff --git a/libffi/testsuite/libffi.call/nested_struct5.c b/libffi/testsuite/libffi.call/nested_struct5.c new file mode 100644 index 000000000..d8e3537d5 --- /dev/null +++ b/libffi/testsuite/libffi.call/nested_struct5.c @@ -0,0 +1,112 @@ +/* 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: 20051010 */ + +/* { dg-do run } */ +#include "ffitest.h" + +typedef struct A { + long double a; + unsigned char b; +} A; + +typedef struct B { + struct A x; + unsigned char y; +} B; + +static B B_fn(struct A b2, struct B b3) +{ + struct B result; + + result.x.a = b2.a + b3.x.a; + result.x.b = b2.b + b3.x.b + b3.y; + result.y = b2.b + b3.x.b; + + printf("%d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b, + (int)b3.x.a, b3.x.b, b3.y, + (int)result.x.a, result.x.b, result.y); + + return result; +} + +static void +B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, + void* userdata __UNUSED__) +{ + 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; + void *code; + ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); + 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]; + + 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 = { 1.0, 7}; + struct B f_dbl = {{12.0 , 127}, 99}; + + struct B res_dbl; + + cls_struct_fields[0] = &ffi_type_longdouble; + 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_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK); + + res_dbl = ((B(*)(A, B))(code))(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