1 | n/a | /* Area: ffi_call, closure_call |
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2 | n/a | Purpose: Test doubles passed in variable argument lists. |
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3 | n/a | Limitations: none. |
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4 | n/a | PR: none. |
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5 | n/a | Originator: Blake Chaffin 6/6/2007 */ |
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6 | n/a | |
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7 | n/a | /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */ |
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8 | n/a | /* { dg-output "" { xfail avr32*-*-* } } */ |
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9 | n/a | /* { dg-output "" { xfail mips-sgi-irix6* } } PR libffi/46660 */ |
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10 | n/a | |
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11 | n/a | #include "ffitest.h" |
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12 | n/a | |
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13 | n/a | static void |
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14 | n/a | cls_double_va_fn(ffi_cif* cif __UNUSED__, void* resp, |
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15 | n/a | void** args, void* userdata __UNUSED__) |
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16 | n/a | { |
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17 | n/a | char* format = *(char**)args[0]; |
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18 | n/a | double doubleValue = *(double*)args[1]; |
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19 | n/a | |
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20 | n/a | *(ffi_arg*)resp = printf(format, doubleValue); |
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21 | n/a | } |
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22 | n/a | |
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23 | n/a | int main (void) |
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24 | n/a | { |
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25 | n/a | ffi_cif cif; |
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26 | n/a | void *code; |
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27 | n/a | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
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28 | n/a | void* args[3]; |
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29 | n/a | ffi_type* arg_types[3]; |
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30 | n/a | |
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31 | n/a | char* format = "%.1f\n"; |
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32 | n/a | double doubleArg = 7; |
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33 | n/a | ffi_arg res = 0; |
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34 | n/a | |
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35 | n/a | arg_types[0] = &ffi_type_pointer; |
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36 | n/a | arg_types[1] = &ffi_type_double; |
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37 | n/a | arg_types[2] = NULL; |
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38 | n/a | |
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39 | n/a | /* This printf call is variadic */ |
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40 | n/a | CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2, &ffi_type_sint, |
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41 | n/a | arg_types) == FFI_OK); |
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42 | n/a | |
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43 | n/a | args[0] = &format; |
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44 | n/a | args[1] = &doubleArg; |
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45 | n/a | args[2] = NULL; |
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46 | n/a | |
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47 | n/a | ffi_call(&cif, FFI_FN(printf), &res, args); |
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48 | n/a | /* { dg-output "7.0" } */ |
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49 | n/a | printf("res: %d\n", (int) res); |
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50 | n/a | /* { dg-output "\nres: 4" } */ |
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51 | n/a | |
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52 | n/a | CHECK(ffi_prep_closure_loc(pcl, &cif, cls_double_va_fn, NULL, |
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53 | n/a | code) == FFI_OK); |
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54 | n/a | |
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55 | n/a | res = ((int(*)(char*, ...))(code))(format, doubleArg); |
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56 | n/a | /* { dg-output "\n7.0" } */ |
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57 | n/a | printf("res: %d\n", (int) res); |
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58 | n/a | /* { dg-output "\nres: 4" } */ |
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59 | n/a | |
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60 | n/a | exit(0); |
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61 | n/a | } |
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