Function generate_wrapper

tools/mksyscall.c:554–845

}

static void generate_wrapper(int nfixed, int nparms)
{
  FILE *stream = open_wrapper();
  char formal[MAX_PARMSIZE];
  char actual[MAX_PARMSIZE];
  char fieldname[MAX_PARMSIZE];
  int i = 0;

  /* Generate "up-front" information, include correct header files */

  fprintf(stream, "/* Auto-generated %s wrap file -- do not edit */\n\n",
          g_parm[NAME_INDEX]);
  fprintf(stream, "#include <nuttx/config.h>\n");
  fprintf(stream, "#include <nuttx/sched_note.h>\n");
  fprintf(stream, "#include <stdint.h>\n");

  /* Suppress "'noreturn' function does return" warnings. */

  fprintf(stream, "#include <nuttx/compiler.h>\n");
  fprintf(stream, "#undef noreturn_function\n");
  fprintf(stream, "#define noreturn_function\n");

  /* CONFIG_LIB_SYSCALL must be defined to get syscall number */

  fprintf(stream, "#undef CONFIG_LIB_SYSCALL\n");
  fprintf(stream, "#define CONFIG_LIB_SYSCALL\n");
  fprintf(stream, "#include <syscall.h>\n");

  /* Does this function have a variable number of parameters?  If so then the
   * final parameter type will be encoded as "..."
   */

  if (nfixed != nparms)
    {
      fprintf(stream, "#include <stdarg.h>\n");
    }

  if (strlen(g_parm[HEADER_INDEX]) > 0)
    {
      fprintf(stream, "#include <%s>\n", g_parm[HEADER_INDEX]);
    }

  /* Define macros to get wrapper symbol */

  fprintf(stream, "#include <nuttx/arch.h>\n\n");

  if (g_parm[COND_INDEX][0] != '\0')
    {
      fprintf(stream, "#if %s\n\n", g_parm[COND_INDEX]);
    }

  /* Generate the wrapper function definition that matches standard function
   * prototype
   */

  if (strcmp(g_parm[RETTYPE_INDEX], "noreturn") == 0)
    {
      fprintf(stream, "void ");