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38 lines
1009 B
Python
38 lines
1009 B
Python
#! /usr/bin/env python2.6
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# -*- mode: python; coding: utf-8; -*-
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#
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# Codezero -- Virtualization microkernel for embedded systems.
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#
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# Copyright © 2009 B Labs Ltd
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#
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import os, sys
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from optparse import OptionParser
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from os.path import join
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from os import path
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import elf, sys
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def conv_hex(val):
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hexval = hex(val)
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if hexval[-1:] == 'L':
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hexval = hexval[:-1]
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return hexval
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def next_available_lma(srcfile):
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elffile = elf.ElfFile.from_file(srcfile)
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paddr_max = 0
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p_align = 0
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for pheader in elffile.pheaders:
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x = pheader.ai
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if str(x.p_type) == "LOAD":
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paddr = x.p_paddr + x.p_memsz
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p_align = x.p_align
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if paddr > paddr_max:
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paddr_max = paddr
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paddr_aligned = paddr_max & ~(p_align.value - 1)
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#print "paddr_max %s " % hex(paddr_max)
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#print "paddr_aligned %s " % hex(paddr_aligned)
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if paddr_max & (p_align.value - 1):
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paddr_aligned += p_align.value
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return conv_hex(paddr_aligned)
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