0,0 → 1,87 |
#!/usr/bin/env python |
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import sys |
import struct |
import re |
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MAXSTRING=63 |
symtabfmt = "<Q%ds" % (MAXSTRING+1) |
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funcline = re.compile(r'([0-9a-f]+)\s+[lg]\s+.\s+\.text\s+([0-9a-f]+)\s+(.*)$') |
bssline = re.compile(r'([0-9a-f]+)\s+[lg]\s+[a-zA-Z]\s+\.bss\s+([0-9a-f]+)\s+(.*)$') |
dataline = re.compile(r'([0-9a-f]+)\s+[lg]\s+[a-zA-Z]\s+\.data\s+([0-9a-f]+)\s+(.*)$') |
fileexp = re.compile(r'([^\s]+):\s+file format') |
def read_obdump(inp): |
funcs = {} |
data = {} |
bss ={} |
fname = '' |
for line in inp: |
line = line.strip() |
res = funcline.match(line) |
if res: |
funcs.setdefault(fname,[]).append((int(res.group(1),16), |
res.group(3))) |
continue |
res = bssline.match(line) |
if res: |
start = int(res.group(1),16) |
end = int(res.group(2),16) |
if end: |
bss.setdefault(fname,[]).append((start,res.group(3))) |
res = dataline.match(line) |
if res: |
start = int(res.group(1),16) |
end = int(res.group(2),16) |
if end: |
data.setdefault(fname,[]).append((start,res.group(3))) |
res = fileexp.match(line) |
if res: |
fname = res.group(1) |
continue |
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return { |
'text' : funcs, |
'bss' : bss, |
'data' : data |
} |
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startfile = re.compile(r'\.(text|bss|data)\s+(0x[0-9a-f]+)\s+0x[0-9a-f]+\s+(.*)$') |
def generate(kmapf, obmapf, out): |
obdump = read_obdump(obmapf) |
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def sorter(x,y): |
return cmp(x[0],y[0]) |
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for line in kmapf: |
line = line.strip() |
res = startfile.match(line) |
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if res and obdump[res.group(1)].has_key(res.group(3)): |
offset = int(res.group(2),16) |
fname = res.group(3) |
symbols = obdump[res.group(1)][fname] |
symbols.sort(sorter) |
for addr,symbol in symbols: |
value = fname + ':' + symbol |
data = struct.pack(symtabfmt,addr+offset,value[:MAXSTRING]) |
out.write(data) |
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out.write(struct.pack(symtabfmt,0,'')) |
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def main(): |
if len(sys.argv) != 4: |
print "Usage: %s <kernel.map> <nm dump> <output.bin>" % sys.argv[0] |
sys.exit(1) |
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kmapf = open(sys.argv[1],'r') |
obmapf = open(sys.argv[2],'r') |
out = open(sys.argv[3],'w') |
generate(kmapf,obmapf,out) |
kmapf.close() |
obmapf.close() |
out.close() |
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if __name__ == '__main__': |
main() |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |