diff gcc/testsuite/jit.dg/test-error-gcc_jit_rvalue_access_field-wrong-struct.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/jit.dg/test-error-gcc_jit_rvalue_access_field-wrong-struct.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,110 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "libgccjit.h"
+
+#include "harness.h"
+
+struct foo
+{
+  int x;
+  int y;
+};
+
+struct bar
+{
+  int p;
+  int q;
+};
+
+void
+create_code (gcc_jit_context *ctxt, void *user_data)
+{
+  /* Let's try to inject the equivalent of:
+     void
+     test_bogus_access (struct foo f)
+     {
+       f.x = f.p;
+     }
+     i.e. using the wrong struct for the RHS.
+  */
+  gcc_jit_type *void_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
+  gcc_jit_type *int_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
+
+  /* Map "struct foo".  */
+  gcc_jit_field *x =
+    gcc_jit_context_new_field (ctxt,
+			       NULL,
+			       int_type,
+			       "x");
+  gcc_jit_field *y =
+    gcc_jit_context_new_field (ctxt,
+			       NULL,
+			       int_type,
+			       "y");
+  gcc_jit_field *foo_fields[] = {x, y};
+  gcc_jit_struct *struct_foo =
+    gcc_jit_context_new_struct_type (ctxt, NULL, "foo", 2, foo_fields);
+
+  /* Map "struct bar".  */
+  gcc_jit_field *p =
+    gcc_jit_context_new_field (ctxt,
+			       NULL,
+			       int_type,
+			       "p");
+  gcc_jit_field *q =
+    gcc_jit_context_new_field (ctxt,
+			       NULL,
+			       int_type,
+			       "q");
+  /* We don't actually need a gcc_jit_type for "struct bar" for the test.  */
+  gcc_jit_field *bar_fields[] = {p, q};
+  (void)gcc_jit_context_new_struct_type (ctxt, NULL, "foo", 2, bar_fields);
+
+  /* Build the test function.  */
+  gcc_jit_param *param_f =
+    gcc_jit_context_new_param (ctxt, NULL,
+			       gcc_jit_struct_as_type (struct_foo), "f");
+  gcc_jit_function *test_fn =
+    gcc_jit_context_new_function (ctxt, NULL,
+				  GCC_JIT_FUNCTION_EXPORTED,
+				  void_type,
+				  "test_bogus_access",
+				  1, &param_f,
+				  0);
+
+  /* OK: f.x = ... */
+  gcc_jit_lvalue *lvalue =
+    gcc_jit_lvalue_access_field (
+      gcc_jit_param_as_lvalue (param_f),
+      NULL,
+      x);
+
+  /* Erroneous: ... = f.p; */
+  gcc_jit_rvalue *rvalue =
+      gcc_jit_rvalue_access_field (
+	gcc_jit_param_as_rvalue (param_f),
+	NULL,
+	p);
+
+  gcc_jit_block *block =
+    gcc_jit_function_new_block (test_fn, NULL);
+  gcc_jit_block_add_assignment (
+    block,
+    NULL,
+    lvalue, rvalue);
+  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_rvalue_access_field:"
+		      " p is not a field of struct foo");
+}