52 lines
996 B
Ruby
52 lines
996 B
Ruby
#!/usr/bin/env ruby
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# This file is part of Metasm, the Ruby assembly manipulation suite
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# Copyright (C) 2007 Yoann GUILLOT
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#
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# Licence is LGPL, see LICENCE in the top-level directory
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#
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# in this sample we compile 2 PE files, one executable and one dll
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# with the same base address, to check if the base relocation table
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# of the dll is correctly encoded
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#
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require 'metasm'
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cpu = Metasm::Ia32.new
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pe = Metasm::PE.assemble cpu, <<EOS
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.image_base 0x50000
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.section '.text' r w x ; allows merging iat/data/etc
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.entrypoint
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call foobarplt
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xor eax, eax
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ret
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.import 'pe-foolib' foobar foobarplt
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EOS
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pe.encode_file('pe-testreloc.exe', 'exe')
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dll = Metasm::PE.assemble cpu, <<EOS
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.image_base 0x50000
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.section '.text' r w x
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foobar:
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push 0
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push msg ; use non-position independant code
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push title
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push 0
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call msgbox
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xor eax, eax
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ret
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.align 4
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msg db 'foo', 0
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title db 'bar', 0
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.import user32 MessageBoxA msgbox
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.export foobar
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.libname 'pe-foolib'
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EOS
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dll.encode_file('pe-foolib.dll', 'dll')
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