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56 lines
1.2 KiB
56 lines
1.2 KiB
#!/usr/bin/python
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import re
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import os
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def main():
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fd = os.popen("avr-objdump -d firmware.bin")
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oldaddr=0
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lastfnname=""
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namespacedict = {}
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s="foo"
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while s:
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s=fd.readline()
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m=re.match("([0-9a-f]+) <(\w+)>:",s)
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if m:
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addr,fname=m.groups()
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addr=int(addr,16)
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size=addr-oldaddr
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oldaddr=addr
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# print size,"\t",lastfnname
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namespace=get_namespace(lastfnname)
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try:
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namespacedict[namespace].append((lastfnname, size))
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except:
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namespacedict[namespace] = [(lastfnname, size)]
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lastfnname = fname
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print "individual sizes:"
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for k,v in namespacedict.items():
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for a,b in sorted(v):
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print "%4i %s"%(b,a)
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print "namespace sizes:"
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smallnamespace = 0
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for k,v in sorted(namespacedict.items()):
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if(len(v) == 1): # skip if the namespace has one item
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smallnamespace += sum( [ i[1] for i in v ] )
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continue
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totalsize = sum( [ i[1] for i in v ] )
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print "%4i %s*"%(totalsize,k)
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print "%4i %s*"%(smallnamespace,"<smallnamespace>")
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def get_namespace(name):
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matchlist = [
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r"(^__)",
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r"(^\w+?_)",
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r"(\w[a-z0-9]+?)[A-Z]"]
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for i in matchlist:
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m = re.match(i, name)
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if m:
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return m.groups()[0]
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return "<nonamespace>"
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if __name__=="__main__":
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main()
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