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