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Give hint about uncompressed kernels

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This commit is contained in:
Hynek Cernoch 2010-12-13 22:33:05 +01:00
commit fc150ea960
1 changed files with 10 additions and 1 deletions
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smem
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@ -115,7 +115,16 @@ def kernelsize():
d = os.popen("size %s" % options.kernel).readlines()[1] d = os.popen("size %s" % options.kernel).readlines()[1]
_kernelsize = int(d.split()[3]) / 1024 _kernelsize = int(d.split()[3]) / 1024
except: except:
pass try:
# try some heuristic to find gzipped part in kernel image
packedkernel = open(options.kernel).read()
pos = packedkernel.find('\x1F\x8B')
if pos >= 0 and pos < 25000:
sys.stderr.write("Maybe uncompressed kernel can be extracted by the command:\n"
" dd if=%s bs=1 skip=%d | gzip -d >%s.unpacked\n\n" % (options.kernel, pos, options.kernel))
except:
pass
sys.stderr.write("Parameter '%s' should be an original uncompressed compiled kernel file.\n\n" % options.kernel)
return _kernelsize return _kernelsize
def pidmaps(pid): def pidmaps(pid):