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Diffstat (limited to 'libc/tools/bionic_utils.py')
| -rw-r--r-- | libc/tools/bionic_utils.py | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/libc/tools/bionic_utils.py b/libc/tools/bionic_utils.py deleted file mode 100644 index 65ff042..0000000 --- a/libc/tools/bionic_utils.py +++ /dev/null @@ -1,306 +0,0 @@ -# common python utility routines for the Bionic tool scripts - -import sys, os, commands, string - -# support Bionic architectures, add new ones as appropriate -# -bionic_archs = [ "arm", "x86" ] - -# basic debugging trace support -# call D_setlevel to set the verbosity level -# and D(), D2(), D3(), D4() to add traces -# -verbose = 1 - -def D(msg): - global verbose - if verbose > 0: - print msg - -def D2(msg): - global verbose - if verbose >= 2: - print msg - -def D3(msg): - global verbose - if verbose >= 3: - print msg - -def D4(msg): - global verbose - if verbose >= 4: - print msg - -def D_setlevel(level): - global verbose - verbose = level - - -def find_dir_of(path): - '''return the directory name of 'path', or "." if there is none''' - # remove trailing slash - if len(path) > 1 and path[-1] == '/': - path = path[:-1] - - # find parent directory name - d = os.path.dirname(path) - if d == "": - return "." - else: - return d - -# other stuff -# -# -def find_file_from_upwards(from_path,target_file): - """find a file in the current directory or its parents. if 'from_path' is None, - seach from the current program's directory""" - path = from_path - if path == None: - path = find_dir_of(sys.argv[0]) - D("this script seems to be located in: %s" % path) - - while 1: - if path == "": - path = "." - - file = path + "/" + target_file - D("probing "+file) - - if os.path.isfile(file): - D("found %s in %s" % (target_file, path)) - return file - - if path == ".": - break - - path = os.path.dirname(path) - - path = "" - while 1: - path = "../" + path - file = path + target_file - D("probing "+file) - - if os.path.isfile(file): - D("found %s in %s" % (target_file, path)) - return file - - - return None - -def find_bionic_root(): - '''find the root of the Bionic source tree. we check for the SYSCALLS.TXT file - from the location of the current program's directory.''' - - # note that we can't use find_file_from_upwards() since we can't use os.path.abspath - # that's because in some cases the p4 client is in a symlinked directory, and this - # function will return the real path instead, which later creates problems when - # p4 commands are issued - # - file = find_file_from_upwards(None, "SYSCALLS.TXT") - if file: - return os.path.dirname(file) - else: - return None - -def find_kernel_headers(): - """try to find the directory containing the kernel headers for this machine""" - status, version = commands.getstatusoutput( "uname -r" ) # get Linux kernel version - if status != 0: - D("could not execute 'uname -r' command properly") - return None - - # get rid of the "-xenU" suffix that is found in Xen virtual machines - if len(version) > 5 and version[-5:] == "-xenU": - version = version[:-5] - - path = "/usr/src/linux-headers-" + version - D("probing %s for kernel headers" % (path+"/include")) - ret = os.path.isdir( path ) - if ret: - D("found kernel headers in: %s" % (path + "/include")) - return path - return None - - -# parser for the SYSCALLS.TXT file -# -class SysCallsTxtParser: - def __init__(self): - self.syscalls = [] - self.lineno = 0 - - def E(msg): - print "%d: %s" % (self.lineno, msg) - - def parse_line(self, line): - """ parse a syscall spec line. - - line processing, format is - return type func_name[:syscall_name[:call_id]] ( [paramlist] ) (syscall_number[,syscall_number_x86])|stub - """ - pos_lparen = line.find('(') - E = self.E - if pos_lparen < 0: - E("missing left parenthesis in '%s'" % line) - return - - pos_rparen = line.rfind(')') - if pos_rparen < 0 or pos_rparen <= pos_lparen: - E("missing or misplaced right parenthesis in '%s'" % line) - return - - return_type = line[:pos_lparen].strip().split() - if len(return_type) < 2: - E("missing return type in '%s'" % line) - return - - syscall_func = return_type[-1] - return_type = string.join(return_type[:-1],' ') - call_id = -1 - - pos_colon = syscall_func.find(':') - if pos_colon < 0: - syscall_name = syscall_func - else: - if pos_colon == 0 or pos_colon+1 >= len(syscall_func): - E("misplaced colon in '%s'" % line) - return - - # now find if there is a call_id for a dispatch-type syscall - # after the optional 2nd colon - pos_colon2 = syscall_func.find(':', pos_colon + 1) - if pos_colon2 < 0: - syscall_name = syscall_func[pos_colon+1:] - syscall_func = syscall_func[:pos_colon] - else: - if pos_colon2+1 >= len(syscall_func): - E("misplaced colon2 in '%s'" % line) - return - syscall_name = syscall_func[(pos_colon+1):pos_colon2] - call_id = int(syscall_func[pos_colon2+1:]) - syscall_func = syscall_func[:pos_colon] - - if pos_rparen > pos_lparen+1: - syscall_params = line[pos_lparen+1:pos_rparen].split(',') - params = string.join(syscall_params,',') - else: - syscall_params = [] - params = "void" - - number = line[pos_rparen+1:].strip() - if number == "stub": - syscall_id = -1 - syscall_id2 = -1 - else: - try: - if number[0] == '#': - number = number[1:].strip() - numbers = string.split(number,',') - syscall_id = int(numbers[0]) - syscall_id2 = syscall_id - if len(numbers) > 1: - syscall_id2 = int(numbers[1]) - except: - E("invalid syscall number in '%s'" % line) - return - - t = { "id" : syscall_id, - "id2" : syscall_id2, - "cid" : call_id, - "name" : syscall_name, - "func" : syscall_func, - "params" : syscall_params, - "decl" : "%-15s %s (%s);" % (return_type, syscall_func, params) } - - self.syscalls.append(t) - - def parse_file(self, file_path): - D2("parse_file: %s" % file_path) - fp = open(file_path) - for line in fp.xreadlines(): - self.lineno += 1 - line = line.strip() - if not line: continue - if line[0] == '#': continue - self.parse_line(line) - - fp.close() - - -class Output: - def __init__(self,out=sys.stdout): - self.out = out - - def write(self,msg): - self.out.write(msg) - - def writeln(self,msg): - self.out.write(msg) - self.out.write("\n") - -class StringOutput: - def __init__(self): - self.line = "" - - def write(self,msg): - self.line += msg - D2("write '%s'" % msg) - - def writeln(self,msg): - self.line += msg + '\n' - D2("write '%s\\n'"% msg) - - def get(self): - return self.line - - -def create_file_path(path): - dirs = [] - while 1: - parent = os.path.dirname(path) - if parent == "/": - break - dirs.append(parent) - path = parent - - dirs.reverse() - for dir in dirs: - #print "dir %s" % dir - if os.path.isdir(dir): - continue - os.mkdir(dir) - -def walk_source_files(paths,callback,args,excludes=[]): - """recursively walk a list of paths and files, only keeping the source files in directories""" - for path in paths: - if not os.path.isdir(path): - callback(path,args) - else: - for root, dirs, files in os.walk(path): - #print "w-- %s (ex: %s)" % (repr((root,dirs)), repr(excludes)) - if len(excludes): - for d in dirs[:]: - if d in excludes: - dirs.remove(d) - for f in files: - r, ext = os.path.splitext(f) - if ext in [ ".h", ".c", ".cpp", ".S" ]: - callback( "%s/%s" % (root,f), args ) - -def cleanup_dir(path): - """create a directory if needed, and ensure that it is totally empty - by removing any existing content in it""" - if not os.path.exists(path): - os.mkdir(path) - else: - for root, dirs, files in os.walk(path, topdown=False): - if root.endswith("kernel_headers/"): - # skip 'kernel_headers' - continue - for name in files: - os.remove(os.path.join(root, name)) - for name in dirs: - os.rmdir(os.path.join(root, name)) |