gcc/libffi/testsuite/libffi.call/struct1_win32.c
Kai Tietz 9b850dd969 ffi.c (ffi_call_win32): Add new argument to prototype for specify calling-convention.
* src/libffi/src/x86/ffi.c (ffi_call_win32): Add new
        argument to prototype for specify calling-convention.
        (ffi_call): Add support for stdcall/thiscall convention.
        (ffi_prep_args): Likewise.
        (ffi_raw_call): Likewise.
        * src/x86/ffitarget.h (ffi_abi): Add FFI_THISCALL and
        FFI_FASTCALL.
        * src/x86/win32.S (_ffi_call_win32): Add support for
        fastcall/thiscall calling-convention calls.
        * testsuite/libffi.call/fastthis1_win32.c: New test.
        * testsuite/libffi.call/fastthis2_win32.c: New test.
        * testsuite/libffi.call/fastthis3_win32.c: New test.
        * testsuite/libffi.call/strlen2_win32.c: New test.
        * testsuite/libffi.call/many2_win32.c: New test.
        * testsuite/libffi.call/struct1_win32.c: New test.
        * testsuite/libffi.call/struct2_win32.c: New test.

From-SVN: r183676
2012-01-29 14:29:53 +01:00

66 lines
1.4 KiB
C

/* Area: ffi_call
Purpose: Check structures with fastcall/thiscall convention.
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
#include "ffitest.h"
typedef struct
{
unsigned char uc;
double d;
unsigned int ui;
} test_structure_1;
static __attribute__ ((fastcall)) 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_FASTCALL, 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);
}