diff gcc/testsuite/jit.dg/test-error-call-through-ptr-with-mismatching-args.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/jit.dg/test-error-call-through-ptr-with-mismatching-args.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,74 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "libgccjit.h"
+
+#include "harness.h"
+
+void
+create_code (gcc_jit_context *ctxt, void *user_data)
+{
+  /* Let's try to inject the equivalent of:
+
+     void
+     test_fn (void (*some_fn_ptr) (void *))
+     {
+        some_fn_ptr (42);
+     }
+
+     and verify that the API complains about the mismatching argument
+     type ("int" vs "void *").  */
+  gcc_jit_type *void_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
+  gcc_jit_type *void_ptr_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID_PTR);
+  gcc_jit_type *int_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
+
+  /* Build the function ptr type.  */
+  gcc_jit_type *fn_ptr_type =
+    gcc_jit_context_new_function_ptr_type (ctxt, NULL,
+					   void_type,
+					   1, &void_ptr_type, 0);
+
+  /* Build the test_fn.  */
+  gcc_jit_param *param_fn_ptr =
+    gcc_jit_context_new_param (ctxt, NULL, fn_ptr_type, "some_fn_ptr");
+
+  gcc_jit_function *test_fn =
+    gcc_jit_context_new_function (ctxt, NULL,
+                                  GCC_JIT_FUNCTION_EXPORTED,
+                                  void_type,
+                                  "test_fn",
+                                  1, &param_fn_ptr,
+                                  0);
+  /* some_fn_ptr (42); */
+  gcc_jit_rvalue *arg =
+    gcc_jit_context_new_rvalue_from_int (ctxt, int_type, 42);
+
+  gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
+  gcc_jit_block_add_eval (
+    block, NULL,
+    gcc_jit_context_new_call_through_ptr (
+      ctxt,
+      NULL,
+      gcc_jit_param_as_rvalue (param_fn_ptr),
+      1, &arg));
+  /* the above has the wrong type for argument 1.  */
+  gcc_jit_block_end_with_void_return (block, NULL);
+}
+
+void
+verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
+{
+  CHECK_VALUE (result, NULL);
+
+  /* Verify that the correct error message was emitted.  */
+  CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
+		      ("gcc_jit_context_new_call_through_ptr:"
+		       " mismatching types for argument 1 of fn_ptr:"
+		       " some_fn_ptr:"
+		       " assignment to param 1 (type: void *)"
+		       " from (int)42 (type: int)"));
+}
+