text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2013, 2014 Damien P. George
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  // options to control how MicroPython is built
  
  #define MICROPY_ALLOC_PATH_MAX      (PATH_MAX)
  #define MICROPY_PERSISTENT_CODE_LOAD (1)
  #if !defined(MICROPY_EMIT_X64) && defined(__x86_64__)
      #define MICROPY_EMIT_X64        (1)
  #endif
  #if !defined(MICROPY_EMIT_X86) && defined(__i386__)
      #define MICROPY_EMIT_X86        (1)
  #endif
  #if !defined(MICROPY_EMIT_THUMB) && defined(__thumb2__)
      #define MICROPY_EMIT_THUMB      (1)
      #define MICROPY_MAKE_POINTER_CALLABLE(p) ((void*)((mp_uint_t)(p) | 1))
  #endif
  // Some compilers define __thumb2__ and __arm__ at the same time, let
  // autodetected thumb2 emitter have priority.
  #if !defined(MICROPY_EMIT_ARM) && defined(__arm__) && !defined(__thumb2__)
      #define MICROPY_EMIT_ARM        (1)
  #endif
  #define MICROPY_COMP_MODULE_CONST   (1)
  #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (1)
  #define MICROPY_COMP_RETURN_IF_EXPR (1)
  #define MICROPY_ENABLE_GC           (1)
  #define MICROPY_ENABLE_FINALISER    (1)
  #define MICROPY_STACK_CHECK         (1)
  #define MICROPY_MALLOC_USES_ALLOCATED_SIZE (1)
  #define MICROPY_MEM_STATS           (1)
  #define MICROPY_DEBUG_PRINTERS      (1)
  // Printing debug to stderr may give tests which
  // check stdout a chance to pass, etc.
  #define MICROPY_DEBUG_PRINTER_DEST  mp_stderr_print
  #define MICROPY_READER_POSIX        (1)
  #define MICROPY_USE_READLINE_HISTORY (1)
  #define MICROPY_HELPER_REPL         (1)
  #define MICROPY_REPL_EMACS_KEYS     (1)
  #define MICROPY_REPL_AUTO_INDENT    (1)
  #define MICROPY_HELPER_LEXER_UNIX   (1)
  #define MICROPY_ENABLE_SOURCE_LINE  (1)
  #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_DOUBLE)
  #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_MPZ)
  #define MICROPY_STREAMS_NON_BLOCK   (1)
  #define MICROPY_STREAMS_POSIX_API   (1)
  #define MICROPY_OPT_COMPUTED_GOTO   (1)
  #ifndef MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE
  #define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (1)
  #endif
  #define MICROPY_CAN_OVERRIDE_BUILTINS (1)
  #define MICROPY_PY_FUNCTION_ATTRS   (1)
  #define MICROPY_PY_DESCRIPTORS      (1)
  #define MICROPY_PY_BUILTINS_STR_UNICODE (1)
  #define MICROPY_PY_BUILTINS_STR_CENTER (1)
  #define MICROPY_PY_BUILTINS_STR_PARTITION (1)
  #define MICROPY_PY_BUILTINS_STR_SPLITLINES (1)
  #define MICROPY_PY_BUILTINS_MEMORYVIEW (1)
  #define MICROPY_PY_BUILTINS_FROZENSET (1)
  #define MICROPY_PY_BUILTINS_COMPILE (1)
  #define MICROPY_PY_BUILTINS_NOTIMPLEMENTED (1)
  #define MICROPY_PY_BUILTINS_INPUT   (1)
  #define MICROPY_PY_BUILTINS_POW3    (1)
  #define MICROPY_PY_MICROPYTHON_MEM_INFO (1)
  #define MICROPY_PY_ALL_SPECIAL_METHODS (1)
  #define MICROPY_PY_REVERSE_SPECIAL_METHODS (1)
  #define MICROPY_PY_ARRAY_SLICE_ASSIGN (1)
  #define MICROPY_PY_BUILTINS_SLICE_ATTRS (1)
  #define MICROPY_PY_SYS_EXIT         (1)
  #if defined(__APPLE__) && defined(__MACH__)
      #define MICROPY_PY_SYS_PLATFORM  "darwin"
  #else
      #define MICROPY_PY_SYS_PLATFORM  "linux"
  #endif
  #define MICROPY_PY_SYS_MAXSIZE      (1)
  #define MICROPY_PY_SYS_STDFILES     (1)
  #define MICROPY_PY_SYS_EXC_INFO     (1)
  #define MICROPY_PY_COLLECTIONS_ORDEREDDICT (1)
  #ifndef MICROPY_PY_MATH_SPECIAL_FUNCTIONS
  #define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (1)
  #endif
  #define MICROPY_PY_CMATH            (1)
  #define MICROPY_PY_IO_FILEIO        (1)
  #define MICROPY_PY_GC_COLLECT_RETVAL (1)
  #define MICROPY_MODULE_FROZEN_STR   (1)
  
  #ifndef MICROPY_STACKLESS
  #define MICROPY_STACKLESS           (0)
  #define MICROPY_STACKLESS_STRICT    (0)
  #endif
  
  #define MICROPY_PY_OS_STATVFS       (1)
  #define MICROPY_PY_UTIME            (1)
  #define MICROPY_PY_UTIME_MP_HAL     (1)
  #define MICROPY_PY_UERRNO           (1)
  #define MICROPY_PY_UCTYPES          (1)
  #define MICROPY_PY_UZLIB            (1)
  #define MICROPY_PY_UJSON            (1)
  #define MICROPY_PY_URE              (1)
  #define MICROPY_PY_UHEAPQ           (1)
  #define MICROPY_PY_UTIMEQ           (1)
  #define MICROPY_PY_UHASHLIB         (1)
  #if MICROPY_PY_USSL
  #define MICROPY_PY_UHASHLIB_SHA1    (1)
  #endif
  #define MICROPY_PY_UBINASCII        (1)
  #define MICROPY_PY_UBINASCII_CRC32  (1)
  #define MICROPY_PY_URANDOM          (1)
  #ifndef MICROPY_PY_USELECT_POSIX
  #define MICROPY_PY_USELECT_POSIX    (1)
  #endif
  #define MICROPY_PY_WEBSOCKET        (1)
  #define MICROPY_PY_MACHINE          (1)
  #define MICROPY_PY_MACHINE_PULSE    (1)
  #define MICROPY_MACHINE_MEM_GET_READ_ADDR   mod_machine_mem_get_addr
  #define MICROPY_MACHINE_MEM_GET_WRITE_ADDR  mod_machine_mem_get_addr
  
  #define MICROPY_FATFS_ENABLE_LFN       (1)
  #define MICROPY_FATFS_RPATH            (2)
  #define MICROPY_FATFS_MAX_SS           (4096)
  #define MICROPY_FATFS_LFN_CODE_PAGE    (437) /* 1=SFN/ANSI 437=LFN/U.S.(OEM) */
  #define MICROPY_VFS_FAT                (0)
  
  // Define to MICROPY_ERROR_REPORTING_DETAILED to get function, etc.
  // names in exception messages (may require more RAM).
  #define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_DETAILED)
  #define MICROPY_WARNINGS            (1)
  #define MICROPY_ERROR_PRINTER       (&mp_stderr_print)
  #define MICROPY_PY_STR_BYTES_CMP_WARN (1)
  
  extern const struct _mp_print_t mp_stderr_print;
  
  // Define to 1 to use undertested inefficient GC helper implementation
  // (if more efficient arch-specific one is not available).
  #ifndef MICROPY_GCREGS_SETJMP
      #ifdef __mips__
          #define MICROPY_GCREGS_SETJMP (1)
      #else
          #define MICROPY_GCREGS_SETJMP (0)
      #endif
  #endif
  
  #define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF   (1)
  #define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE  (256)
  #define MICROPY_KBD_EXCEPTION       (1)
  #define MICROPY_ASYNC_KBD_INTR      (1)
  
  extern const struct _mp_obj_module_t mp_module_machine;
  extern const struct _mp_obj_module_t mp_module_os;
  extern const struct _mp_obj_module_t mp_module_uos_vfs;
  extern const struct _mp_obj_module_t mp_module_uselect;
  extern const struct _mp_obj_module_t mp_module_time;
  extern const struct _mp_obj_module_t mp_module_termios;
  extern const struct _mp_obj_module_t mp_module_socket;
  extern const struct _mp_obj_module_t mp_module_ffi;
  extern const struct _mp_obj_module_t mp_module_jni;
  
  #if MICROPY_PY_UOS_VFS
  #define MICROPY_PY_UOS_VFS_DEF { MP_ROM_QSTR(MP_QSTR_uos_vfs), MP_ROM_PTR(&mp_module_uos_vfs) },
  #else
  #define MICROPY_PY_UOS_VFS_DEF
  #endif
  #if MICROPY_PY_FFI
  #define MICROPY_PY_FFI_DEF { MP_ROM_QSTR(MP_QSTR_ffi), MP_ROM_PTR(&mp_module_ffi) },
  #else
  #define MICROPY_PY_FFI_DEF
  #endif
  #if MICROPY_PY_JNI
  #define MICROPY_PY_JNI_DEF { MP_ROM_QSTR(MP_QSTR_jni), MP_ROM_PTR(&mp_module_jni) },
  #else
  #define MICROPY_PY_JNI_DEF
  #endif
  #if MICROPY_PY_UTIME
  #define MICROPY_PY_UTIME_DEF { MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&mp_module_time) },
  #else
  #define MICROPY_PY_UTIME_DEF
  #endif
  #if MICROPY_PY_TERMIOS
  #define MICROPY_PY_TERMIOS_DEF { MP_ROM_QSTR(MP_QSTR_termios), MP_ROM_PTR(&mp_module_termios) },
  #else
  #define MICROPY_PY_TERMIOS_DEF
  #endif
  #if MICROPY_PY_SOCKET
  #define MICROPY_PY_SOCKET_DEF { MP_ROM_QSTR(MP_QSTR_usocket), MP_ROM_PTR(&mp_module_socket) },
  #else
  #define MICROPY_PY_SOCKET_DEF
  #endif
  #if MICROPY_PY_USELECT_POSIX
  #define MICROPY_PY_USELECT_DEF { MP_ROM_QSTR(MP_QSTR_uselect), MP_ROM_PTR(&mp_module_uselect) },
  #else
  #define MICROPY_PY_USELECT_DEF
  #endif
  
  #define MICROPY_PORT_BUILTIN_MODULES \
      MICROPY_PY_FFI_DEF \
      MICROPY_PY_JNI_DEF \
      MICROPY_PY_UTIME_DEF \
      MICROPY_PY_SOCKET_DEF \
      { MP_ROM_QSTR(MP_QSTR_umachine), MP_ROM_PTR(&mp_module_machine) }, \
      { MP_ROM_QSTR(MP_QSTR_uos), MP_ROM_PTR(&mp_module_os) }, \
      MICROPY_PY_UOS_VFS_DEF \
      MICROPY_PY_USELECT_DEF \
      MICROPY_PY_TERMIOS_DEF \
  
  // type definitions for the specific machine
  
  // For size_t and ssize_t
  #include <unistd.h>
  
  // assume that if we already defined the obj repr then we also defined types
  #ifndef MICROPY_OBJ_REPR
  #ifdef __LP64__
  typedef long mp_int_t; // must be pointer size
  typedef unsigned long mp_uint_t; // must be pointer size
  #else
  // These are definitions for machines where sizeof(int) == sizeof(void*),
  // regardless of actual size.
  typedef int mp_int_t; // must be pointer size
  typedef unsigned int mp_uint_t; // must be pointer size
  #endif
  #endif
  
  // Cannot include <sys/types.h>, as it may lead to symbol name clashes
  #if _FILE_OFFSET_BITS == 64 && !defined(__LP64__)
  typedef long long mp_off_t;
  #else
  typedef long mp_off_t;
  #endif
  
  void mp_unix_alloc_exec(size_t min_size, void** ptr, size_t *size);
  void mp_unix_free_exec(void *ptr, size_t size);
  void mp_unix_mark_exec(void);
  #define MP_PLAT_ALLOC_EXEC(min_size, ptr, size) mp_unix_alloc_exec(min_size, ptr, size)
  #define MP_PLAT_FREE_EXEC(ptr, size) mp_unix_free_exec(ptr, size)
  #ifndef MICROPY_FORCE_PLAT_ALLOC_EXEC
  // Use MP_PLAT_ALLOC_EXEC for any executable memory allocation, including for FFI
  // (overriding libffi own implementation)
  #define MICROPY_FORCE_PLAT_ALLOC_EXEC (1)
  #endif
  
  #if MICROPY_PY_OS_DUPTERM
  #define MP_PLAT_PRINT_STRN(str, len) mp_hal_stdout_tx_strn_cooked(str, len)
  #else
  #define MP_PLAT_PRINT_STRN(str, len) do { ssize_t ret = write(1, str, len); (void)ret; } while (0)
  #endif
  
  #ifdef __linux__
  // Can access physical memory using /dev/mem
  #define MICROPY_PLAT_DEV_MEM  (1)
  #endif
  
  // Assume that select() call, interrupted with a signal, and erroring
  // with EINTR, updates remaining timeout value.
  #define MICROPY_SELECT_REMAINING_TIME (1)
  
  #ifdef __ANDROID__
  #include <android/api-level.h>
  #if __ANDROID_API__ < 4
  // Bionic libc in Android 1.5 misses these 2 functions
  #define MP_NEED_LOG2 (1)
  #define nan(x) NAN
  #endif
  #endif
  
  #define MICROPY_PORT_BUILTINS \
      { MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
  
  #define MP_STATE_PORT MP_STATE_VM
  
  #define MICROPY_PORT_ROOT_POINTERS \
      const char *readline_hist[50]; \
      void *mmap_region_head; \
  
  // We need to provide a declaration/definition of alloca()
  // unless support for it is disabled.
  #if !defined(MICROPY_NO_ALLOCA) || MICROPY_NO_ALLOCA == 0
  #ifdef __FreeBSD__
  #include <stdlib.h>
  #else
  #include <alloca.h>
  #endif
  #endif
  
  // From "man readdir": "Under glibc, programs can check for the availability
  // of the fields [in struct dirent] not defined in POSIX.1 by testing whether
  // the macros [...], _DIRENT_HAVE_D_TYPE are defined."
  // Other libc's don't define it, but proactively assume that dirent->d_type
  // is available on a modern *nix system.
  #ifndef _DIRENT_HAVE_D_TYPE
  #define _DIRENT_HAVE_D_TYPE (1)
  #endif
  // This macro is not provided by glibc but we need it so ports that don't have
  // dirent->d_ino can disable the use of this field.
  #ifndef _DIRENT_HAVE_D_INO
  #define _DIRENT_HAVE_D_INO (1)
  #endif
  
  #ifndef __APPLE__
  // For debugging purposes, make printf() available to any source file.
  #include <stdio.h>
  #endif
  