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1 #include <stdlib.h>
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2 #include <stdio.h>
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3
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4 #include "libgccjit.h"
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5
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6 #include "harness.h"
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7
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8 void
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9 create_code (gcc_jit_context *ctxt, void *user_data)
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10 {
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11 /* Let's try to inject the equivalent of:
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12
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13 void
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14 test_caller (void (*some_fn_ptr) (int p))
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15 {
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16 called_function (); // missing arg
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17 }
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18
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19 and verify that the API complains about the missing argument.
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20 */
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21 gcc_jit_type *void_type =
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22 gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
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23 gcc_jit_type *int_type =
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24 gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
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25
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26 /* Build the function ptr type. */
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27 gcc_jit_type *fn_ptr_type =
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28 gcc_jit_context_new_function_ptr_type (ctxt, NULL,
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29 void_type,
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30 1, &int_type, 0);
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31
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32 /* Build the test_fn. */
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33 gcc_jit_param *param_fn_ptr =
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34 gcc_jit_context_new_param (ctxt, NULL, fn_ptr_type, "some_fn_ptr");
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35
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36 gcc_jit_function *test_fn =
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37 gcc_jit_context_new_function (ctxt, NULL,
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38 GCC_JIT_FUNCTION_EXPORTED,
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39 void_type,
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40 "test_caller",
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41 1, ¶m_fn_ptr,
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42 0);
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43
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44 gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
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45 /* called_function (); */
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46 gcc_jit_block_add_eval (
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47 block, NULL,
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48 gcc_jit_context_new_call_through_ptr (
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49 ctxt,
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50 NULL,
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51 gcc_jit_param_as_rvalue (param_fn_ptr),
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52 0, NULL));
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53 /* the above has not enough args. */
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54 gcc_jit_block_end_with_void_return (block, NULL);
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55 }
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56
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57 void
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58 verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
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59 {
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60 /* Ensure that mismatching arg count leads to the API giving a NULL
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61 result back. */
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62 CHECK_VALUE (result, NULL);
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63
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64 /* Verify that the correct error message was emitted. */
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65 CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
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66 ("gcc_jit_context_new_call_through_ptr:"
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67 " not enough arguments to fn_ptr: some_fn_ptr"
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68 " (got 0 args, expected 1)"));
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69 }
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70
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