gcc/testsuite/jit.dg/test-string-literal.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 #include "libgccjit.h"
   6
   7 #include "harness.h"
   8
   9 void
  10 create_code (gcc_jit_context *ctxt, void *user_data)
  11 {
  12   /* Let's try to inject the equivalent of:
  13
  14      const char *
  15      test_string_literal (void)
  16      {
  17         return "hello world";
  18      }
  19   */
  20   gcc_jit_type *const_char_ptr_type =
  21     gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_CONST_CHAR_PTR);
  22
  23   /* Build the test_fn.  */
  24   gcc_jit_function *test_fn =
  25     gcc_jit_context_new_function (ctxt, NULL,
  26                                   GCC_JIT_FUNCTION_EXPORTED,
  27                                   const_char_ptr_type,
  28                                   "test_string_literal",
  29                                   0, NULL,
  30                                   0);
  31   gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
  32
  33   gcc_jit_block_end_with_return (
  34     block, NULL,
  35     gcc_jit_context_new_string_literal (ctxt, "hello world"));
  36 }
  37
  38 void
  39 verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
  40 {
  41   typedef const char *(*fn_type) (void);
  42   CHECK_NON_NULL (result);
  43   fn_type test_string_literal =
  44     (fn_type)gcc_jit_result_get_code (result, "test_string_literal");
  45   CHECK_NON_NULL (test_string_literal);
  46
  47   /* Call the JIT-generated function.  */
  48   const char *str = test_string_literal ();
  49   CHECK_NON_NULL (str);
  50   CHECK_VALUE (strcmp (str, "hello world"), 0);
  51 }
  52