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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_fn (void (*some_fn_ptr) (void *))
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15 {
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16 some_fn_ptr (42);
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17 }
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18
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19 and verify that the API complains about the mismatching argument
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20 type ("int" vs "void *"). */
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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 *void_ptr_type =
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24 gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID_PTR);
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25 gcc_jit_type *int_type =
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26 gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
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27
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28 /* Build the function ptr type. */
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29 gcc_jit_type *fn_ptr_type =
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30 gcc_jit_context_new_function_ptr_type (ctxt, NULL,
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31 void_type,
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32 1, &void_ptr_type, 0);
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33
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34 /* Build the test_fn. */
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35 gcc_jit_param *param_fn_ptr =
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36 gcc_jit_context_new_param (ctxt, NULL, fn_ptr_type, "some_fn_ptr");
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37
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38 gcc_jit_function *test_fn =
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39 gcc_jit_context_new_function (ctxt, NULL,
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40 GCC_JIT_FUNCTION_EXPORTED,
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41 void_type,
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42 "test_fn",
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43 1, ¶m_fn_ptr,
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44 0);
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45 /* some_fn_ptr (42); */
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46 gcc_jit_rvalue *arg =
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47 gcc_jit_context_new_rvalue_from_int (ctxt, int_type, 42);
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48
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49 gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
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50 gcc_jit_block_add_eval (
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51 block, NULL,
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52 gcc_jit_context_new_call_through_ptr (
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53 ctxt,
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54 NULL,
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55 gcc_jit_param_as_rvalue (param_fn_ptr),
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56 1, &arg));
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57 /* the above has the wrong type for argument 1. */
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58 gcc_jit_block_end_with_void_return (block, NULL);
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59 }
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60
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61 void
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62 verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
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63 {
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64 CHECK_VALUE (result, NULL);
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65
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66 /* Verify that the correct error message was emitted. */
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67 CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
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68 ("gcc_jit_context_new_call_through_ptr:"
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69 " mismatching types for argument 1 of fn_ptr:"
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70 " some_fn_ptr:"
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71 " assignment to param 1 (type: void *)"
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72 " from (int)42 (type: int)"));
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73 }
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74
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