2014-02-19 19:13:08 +00:00
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# This file is part of Metasm, the Ruby assembly manipulation suite
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# Copyright (C) 2006-2009 Yoann GUILLOT
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#
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# Licence is LGPL, see LICENCE in the top-level directory
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# metasm dasm plugin: scan for xrefs to the target address, incl. relative offsets (eg near call/jmp)
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def scanxrefs(target)
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2014-02-19 20:01:20 +00:00
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ans = []
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sections.sort.each { |s_addr, edata|
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raw = edata.data.to_str
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(0..raw.length-4).each { |off|
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r = raw[off, 4].unpack('V').first
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ans << (s_addr + off) if (r + off+4 + s_addr)&0xffffffff == target or r == target
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}
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}
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ans
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2014-02-19 19:13:08 +00:00
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end
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gui.keyboard_callback[?X] = lambda { |*a|
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2014-02-19 20:01:20 +00:00
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target = gui.curaddr
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ans = scanxrefs(target)
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list = [['addr']] + ans.map { |off| [Expression[off].to_s] }
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gui.listwindow("scanned xrefs to #{Expression[target]}", list) { |i| gui.focus_addr i[0] }
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true
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2014-02-19 19:13:08 +00:00
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} if gui
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