gcc/libffi/testsuite/libffi.call/struct1.c
Andreas Tobler ac6ed182ed README: Remove notice about 'Crazy Comments'.
2006-04-22  Andreas Tobler  <a.tobler@schweiz.ch>

	* README: Remove notice about 'Crazy Comments'.
	* src/debug.c: Remove lint directives. Cleanup white spaces.
	* src/java_raw_api.c: Likewise.
	* src/prep_cif.c: Likewise.
	* src/raw_api.c: Likewise.
	* src/ffitest.c: Delete. No longer needed, all test cases migrated
	to the testsuite.
	* src/arm/ffi.c: Remove lint directives.
	* src/m32r/ffi.c: Likewise.
	* src/pa/ffi.c: Likewise.
	* src/powerpc/ffi.c: Likewise.
	* src/powerpc/ffi_darwin.c: Likewise.
	* src/sh/ffi.c: Likewise.
	* src/sh64/ffi.c: Likewise.
	* src/x86/ffi.c: Likewise.
	* testsuite/libffi.call/float2.c: Likewise.
	* testsuite/libffi.call/promotion.c: Likewise.
	* testsuite/libffi.call/struct1.c: Likewise.

From-SVN: r113181
2006-04-22 23:17:35 +02:00

66 lines
1.3 KiB
C

/* Area: ffi_call
Purpose: Check structures.
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run } */
#include "ffitest.h"
typedef struct
{
unsigned char uc;
double d;
unsigned int ui;
} test_structure_1;
static test_structure_1 struct1(test_structure_1 ts)
{
ts.uc++;
ts.d--;
ts.ui++;
return ts;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_type ts1_type;
ffi_type *ts1_type_elements[4];
ts1_type.size = 0;
ts1_type.alignment = 0;
ts1_type.type = FFI_TYPE_STRUCT;
ts1_type.elements = ts1_type_elements;
ts1_type_elements[0] = &ffi_type_uchar;
ts1_type_elements[1] = &ffi_type_double;
ts1_type_elements[2] = &ffi_type_uint;
ts1_type_elements[3] = NULL;
test_structure_1 ts1_arg;
/* This is a hack to get a properly aligned result buffer */
test_structure_1 *ts1_result =
(test_structure_1 *) malloc (sizeof(test_structure_1));
args[0] = &ts1_type;
values[0] = &ts1_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ts1_type, args) == FFI_OK);
ts1_arg.uc = '\x01';
ts1_arg.d = 3.14159;
ts1_arg.ui = 555;
ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
CHECK(ts1_result->ui == 556);
CHECK(ts1_result->d == 3.14159 - 1);
free (ts1_result);
exit(0);
}