88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include "libgccjit.h"
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#include "harness.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void
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called_function (void *ptr);
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#ifdef __cplusplus
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}
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#endif
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void
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create_code (gcc_jit_context *ctxt, void *user_data)
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{
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/* Let's try to inject the equivalent of:
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extern void called_function (void *ptr);
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void
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test_fn ()
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{
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called_function (42);
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}
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and verify that the API complains about the mismatching argument
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type ("int" vs "void *"). */
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gcc_jit_type *void_type =
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gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
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gcc_jit_type *void_ptr_type =
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gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID_PTR);
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gcc_jit_type *int_type =
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gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
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/* Declare the imported function. */
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gcc_jit_param *param =
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gcc_jit_context_new_param (ctxt, NULL, void_ptr_type, "ptr");
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gcc_jit_function *called_fn =
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gcc_jit_context_new_function (ctxt, NULL,
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GCC_JIT_FUNCTION_IMPORTED,
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void_type,
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"called_function",
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1, ¶m,
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0);
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/* Build the test_fn. */
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gcc_jit_function *test_fn =
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gcc_jit_context_new_function (ctxt, NULL,
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GCC_JIT_FUNCTION_EXPORTED,
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void_type,
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"test_fn",
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0, NULL,
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0);
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/* called_function (42); */
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gcc_jit_rvalue *arg =
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gcc_jit_context_new_rvalue_from_int (ctxt, int_type, 42);
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gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
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gcc_jit_block_add_eval (
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block, NULL,
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gcc_jit_context_new_call (ctxt,
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NULL,
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called_fn,
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1, &arg));
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/* the above has the wrong type for argument 1. */
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gcc_jit_block_end_with_void_return (block, NULL);
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}
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void
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verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
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{
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CHECK_VALUE (result, NULL);
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/* Verify that the correct error message was emitted. */
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CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
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("gcc_jit_context_new_call:"
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" mismatching types for argument 1"
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" of function \"called_function\":"
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" assignment to param ptr (type: void *)"
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" from (int)42 (type: int)"));
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}
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