1 # this module contains all the defaults used by the generation of cleaned-up headers 2 # for the Bionic C library 3 # 4 5 import time, os, sys 6 from utils import * 7 8 # the list of supported architectures 9 # 10 kernel_archs = [ 'arm', 'x86', 'sh' ] 11 12 # the list of include directories that belong to the kernel 13 # tree. used when looking for sources... 14 # 15 kernel_dirs = [ "linux", "asm", "asm-generic", "mtd" ] 16 17 # path to the directory containing the original kernel headers 18 # 19 kernel_original_path = os.path.normpath( find_program_dir() + '/../original' ) 20 21 # a special value that is used to indicate that a given macro is known to be 22 # undefined during optimization 23 kCppUndefinedMacro = "<<<undefined>>>" 24 25 # this is the set of known macros we want to totally optimize out from the 26 # final headers 27 kernel_known_macros = { 28 "__KERNEL__": kCppUndefinedMacro, 29 "__KERNEL_STRICT_NAMES":"1", 30 "__CHECKER__": kCppUndefinedMacro, 31 "__CHECK_ENDIAN__": kCppUndefinedMacro, 32 } 33 34 # define to true if you want to remove all defined(CONFIG_FOO) tests 35 # from the clean headers. testing shows that this is not strictly necessary 36 # but just generates cleaner results 37 kernel_remove_config_macros = True 38 39 # maps an architecture to a set of default macros that would be provided by 40 # toolchain preprocessor 41 kernel_default_arch_macros = { 42 "arm": {}, 43 "x86": {"__i386__": "1"}, 44 } 45 46 # this is the set of known static inline functions that we want to keep 47 # in the final ARM headers. this is only used to keep optimized byteswapping 48 # static functions and stuff like that. 49 kernel_known_arm_statics = set( 50 [ "___arch__swab32", # asm-arm/byteorder.h 51 ] 52 ) 53 54 kernel_known_x86_statics = set( 55 [ "___arch__swab32", # asm-x86/byteorder.h 56 "___arch__swab64", # asm-x86/byteorder.h 57 ] 58 ) 59 60 kernel_known_sh_statics = set( 61 [ "___arch__swab16", # asm-sh/byteorder.h 62 "___arch__swab32", # asm-sh/byteorder.h 63 "___arch__swab64", # asm-sh/byteorder.h 64 "__FD_ZERO", # asm-sh/posix_types_32/64.h 65 "__FD_SET", # asm-sh/posix_types_32/64.h 66 ] 67 ) 68 69 kernel_known_generic_statics = set( 70 [ "__invalid_size_argument_for_IOC", # asm-generic/ioctl.h 71 "__cmsg_nxthdr", # linux/socket.h 72 "cmsg_nxthdr", # linux/socket.h 73 "ipt_get_target", 74 ] 75 ) 76 77 # this maps an architecture to the set of static inline functions that 78 # we want to keep in the final headers 79 # 80 kernel_known_statics = { 81 "arm" : kernel_known_arm_statics, 82 "x86" : kernel_known_x86_statics, 83 "sh" : kernel_known_sh_statics 84 } 85 86 # this is a list of macros which we want to specifically exclude from 87 # the generated files. 88 # 89 kernel_ignored_macros = set( 90 [ "MAXHOSTNAMELEN", # for some reason, Linux defines it to 64 91 # while most of the BSD code expects this to be 256 92 # so ignore the kernel-provided definition and 93 # define it in the Bionic headers instead 94 ] 95 ) 96 97 # this is the standard disclaimer 98 # 99 kernel_disclaimer = """\ 100 /**************************************************************************** 101 **************************************************************************** 102 *** 103 *** This header was automatically generated from a Linux kernel header 104 *** of the same name, to make information necessary for userspace to 105 *** call into the kernel available to libc. It contains only constants, 106 *** structures, and macros generated from the original header, and thus, 107 *** contains no copyrightable information. 108 *** 109 **************************************************************************** 110 ****************************************************************************/ 111 """ 112
