diff options
Diffstat (limited to 'ext/ffi_c/libffi/testsuite/libffi.call/va_1.c')
| -rw-r--r-- | ext/ffi_c/libffi/testsuite/libffi.call/va_1.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/ext/ffi_c/libffi/testsuite/libffi.call/va_1.c b/ext/ffi_c/libffi/testsuite/libffi.call/va_1.c new file mode 100644 index 0000000..7f96809 --- /dev/null +++ b/ext/ffi_c/libffi/testsuite/libffi.call/va_1.c @@ -0,0 +1,196 @@ +/* Area: ffi_call + Purpose: Test passing struct in variable argument lists. + Limitations: none. + PR: none. + Originator: ARM Ltd. */ + +/* { dg-do run } */ +/* { dg-output "" { xfail avr32*-*-* } } */ + +#include "ffitest.h" +#include <stdarg.h> + +struct small_tag +{ + unsigned char a; + unsigned char b; +}; + +struct large_tag +{ + unsigned a; + unsigned b; + unsigned c; + unsigned d; + unsigned e; +}; + +static int +test_fn (int n, ...) +{ + va_list ap; + struct small_tag s1; + struct small_tag s2; + struct large_tag l; + unsigned char uc; + signed char sc; + unsigned short us; + signed short ss; + unsigned int ui; + signed int si; + unsigned long ul; + signed long sl; + float f; + double d; + + va_start (ap, n); + s1 = va_arg (ap, struct small_tag); + l = va_arg (ap, struct large_tag); + s2 = va_arg (ap, struct small_tag); + + uc = va_arg (ap, unsigned); + sc = va_arg (ap, signed); + + us = va_arg (ap, unsigned); + ss = va_arg (ap, signed); + + ui = va_arg (ap, unsigned int); + si = va_arg (ap, signed int); + + ul = va_arg (ap, unsigned long); + sl = va_arg (ap, signed long); + + f = va_arg (ap, double); /* C standard promotes float->double + when anonymous */ + d = va_arg (ap, double); + + printf ("%u %u %u %u %u %u %u %u %u uc=%u sc=%d %u %d %u %d %lu %ld %f %f\n", + s1.a, s1.b, l.a, l.b, l.c, l.d, l.e, + s2.a, s2.b, + uc, sc, + us, ss, + ui, si, + ul, sl, + f, d); + va_end (ap); + return n + 1; +} + +int +main (void) +{ + ffi_cif cif; + void* args[15]; + ffi_type* arg_types[15]; + + ffi_type s_type; + ffi_type *s_type_elements[3]; + + ffi_type l_type; + ffi_type *l_type_elements[6]; + + struct small_tag s1; + struct small_tag s2; + struct large_tag l1; + + int n; + ffi_arg res; + + unsigned char uc; + signed char sc; + unsigned short us; + signed short ss; + unsigned int ui; + signed int si; + unsigned long ul; + signed long sl; + double d1; + double f1; + + s_type.size = 0; + s_type.alignment = 0; + s_type.type = FFI_TYPE_STRUCT; + s_type.elements = s_type_elements; + + s_type_elements[0] = &ffi_type_uchar; + s_type_elements[1] = &ffi_type_uchar; + s_type_elements[2] = NULL; + + l_type.size = 0; + l_type.alignment = 0; + l_type.type = FFI_TYPE_STRUCT; + l_type.elements = l_type_elements; + + l_type_elements[0] = &ffi_type_uint; + l_type_elements[1] = &ffi_type_uint; + l_type_elements[2] = &ffi_type_uint; + l_type_elements[3] = &ffi_type_uint; + l_type_elements[4] = &ffi_type_uint; + l_type_elements[5] = NULL; + + arg_types[0] = &ffi_type_sint; + arg_types[1] = &s_type; + arg_types[2] = &l_type; + arg_types[3] = &s_type; + arg_types[4] = &ffi_type_uchar; + arg_types[5] = &ffi_type_schar; + arg_types[6] = &ffi_type_ushort; + arg_types[7] = &ffi_type_sshort; + arg_types[8] = &ffi_type_uint; + arg_types[9] = &ffi_type_sint; + arg_types[10] = &ffi_type_ulong; + arg_types[11] = &ffi_type_slong; + arg_types[12] = &ffi_type_double; + arg_types[13] = &ffi_type_double; + arg_types[14] = NULL; + + CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 14, &ffi_type_sint, arg_types) == FFI_OK); + + s1.a = 5; + s1.b = 6; + + l1.a = 10; + l1.b = 11; + l1.c = 12; + l1.d = 13; + l1.e = 14; + + s2.a = 7; + s2.b = 8; + + n = 41; + + uc = 9; + sc = 10; + us = 11; + ss = 12; + ui = 13; + si = 14; + ul = 15; + sl = 16; + f1 = 2.12; + d1 = 3.13; + + args[0] = &n; + args[1] = &s1; + args[2] = &l1; + args[3] = &s2; + args[4] = &uc; + args[5] = ≻ + args[6] = &us; + args[7] = &ss; + args[8] = &ui; + args[9] = &si; + args[10] = &ul; + args[11] = &sl; + args[12] = &f1; + args[13] = &d1; + args[14] = NULL; + + ffi_call(&cif, FFI_FN(test_fn), &res, args); + /* { dg-output "5 6 10 11 12 13 14 7 8 uc=9 sc=10 11 12 13 14 15 16 2.120000 3.130000" } */ + printf("res: %d\n", (int) res); + /* { dg-output "\nres: 42" } */ + + return 0; +} |