Resolves system calls to their addresses for Ndless

ndless-syscall2addr.py

import sys, os

if (len(sys.argv) < 2):
    print sys.argv[0],"<syscalls.c>"
    quit()

addressList = []
with open(sys.argv[1]) as f:
    next(f) # Ignore comment line
    next(f) # Ignore type declaration
    for line in f:
        if ("};" in line): break
        addressList.append(line[3:13])

syscallMap = {}
with open(os.path.dirname(sys.argv[1])+"/../include/syscalls.h") as f:
    while "// START_OF_LIST" not in f.readline():
        pass
    while True:
        line = f.readline()
        if ("// END_OF_LIST" in line): break
        components = line.split(" ")
        if (len(components) == 3 and int(components[2]) < len(addressList)):
            syscallMap[components[1][2:]] = addressList[int(components[2])]

while True:
    line = raw_input("lookup> ")
    if (line == "/exit"): break
    if (line == ""): continue
    if (line == "/list"):
        for key,symbol in syscallMap.items():
            print key,"==>",symbol
    else:
        try:
            addr = syscallMap[line]
            print line,"==>",addr
        except:
            print "Symbol",line,"not found"