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author | Anthony Green <green@moxielogic.com> | 2022-09-24 17:11:30 -0400 |
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committer | Anthony Green <green@moxielogic.com> | 2022-09-24 17:11:30 -0400 |
commit | e79f19489bb294ce60bef5cdba5e56c3e7d84382 (patch) | |
tree | 9ed40cf891523443dae1921c29edd59bc9ca695c /testsuite/libffi.call/struct_return_2H.c | |
parent | ab96038772ec4f4ccfaf49d621cd20f58742c401 (diff) | |
download | libffi-e79f19489bb294ce60bef5cdba5e56c3e7d84382.tar.gz |
Add test case transcribed from cpython
Diffstat (limited to 'testsuite/libffi.call/struct_return_2H.c')
-rw-r--r-- | testsuite/libffi.call/struct_return_2H.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/testsuite/libffi.call/struct_return_2H.c b/testsuite/libffi.call/struct_return_2H.c new file mode 100644 index 0000000..2773550 --- /dev/null +++ b/testsuite/libffi.call/struct_return_2H.c @@ -0,0 +1,63 @@ +/* Area: ffi_call + Purpose: Check structures. + Limitations: none. + PR: none. + Originator: From the original ffitest.c */ + +/* { dg-do run } */ +#include "ffitest.h" +typedef struct +{ + short x; + short y; +} test_structure_5; + +static test_structure_5 ABI_ATTR struct5(test_structure_5 inp) +{ + inp.x *= 2; + inp.y *= 3; + + return inp; +} + +int main (void) +{ + ffi_cif cif; + ffi_type *args[MAX_ARGS]; + void *values[MAX_ARGS]; + ffi_type ts5_type; + ffi_type *ts5_type_elements[3]; + + test_structure_5 ts5_arg1; + + /* This is a hack to get a properly aligned result buffer */ + test_structure_5 *ts5_result = + (test_structure_5 *) malloc (sizeof(test_structure_5)); + + ts5_type.size = 0; + ts5_type.alignment = 0; + ts5_type.type = FFI_TYPE_STRUCT; + ts5_type.elements = ts5_type_elements; + ts5_type_elements[0] = &ffi_type_sshort; + ts5_type_elements[1] = &ffi_type_sshort; + ts5_type_elements[2] = NULL; + + args[0] = &ts5_type; + values[0] = &ts5_arg1; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts5_type, args) == FFI_OK); + + ts5_arg1.x = 99; + ts5_arg1.y = 88; + + ffi_call (&cif, FFI_FN(struct5), ts5_result, values); + + CHECK(ts5_result->x == 99*2); + CHECK(ts5_result->y == 88*3); + CHECK(ts5_arg1.x == 99); + CHECK(ts5_arg1.y == 88); + + free (ts5_result); + exit(0); +} |