1 /* Area: ffi_call 2 Purpose: Check uint8_t arguments. 3 Limitations: none. 4 PR: PR45677. 5 Originator: Dan Witte <dwitte (at) gmail.com> 20100916 */ 6 7 /* { dg-do run } */ 8 9 #include "ffitest.h" 10 11 #define NARGS 7 12 13 typedef unsigned char u8; 14 15 #ifdef __GNUC__ 16 __attribute__((noinline)) 17 #endif 18 uint8_t 19 foo (uint8_t a, uint8_t b, uint8_t c, uint8_t d, 20 uint8_t e, uint8_t f, uint8_t g) 21 { 22 return a + b + c + d + e + f + g; 23 } 24 25 uint8_t ABI_ATTR 26 bar (uint8_t a, uint8_t b, uint8_t c, uint8_t d, 27 uint8_t e, uint8_t f, uint8_t g) 28 { 29 return foo (a, b, c, d, e, f, g); 30 } 31 32 int 33 main (void) 34 { 35 ffi_type *ffitypes[NARGS]; 36 int i; 37 ffi_cif cif; 38 ffi_arg result = 0; 39 uint8_t args[NARGS]; 40 void *argptrs[NARGS]; 41 42 for (i = 0; i < NARGS; ++i) 43 ffitypes[i] = &ffi_type_uint8; 44 45 CHECK (ffi_prep_cif (&cif, ABI_NUM, NARGS, 46 &ffi_type_uint8, ffitypes) == FFI_OK); 47 48 for (i = 0; i < NARGS; ++i) 49 { 50 args[i] = i; 51 argptrs[i] = &args[i]; 52 } 53 ffi_call (&cif, FFI_FN (bar), &result, argptrs); 54 55 CHECK (result == 21); 56 return 0; 57 } 58
