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Fix jcxz to jecxz for x86_64 in metasm 

This fixes "invalid opcode near 'jecxz'" for x64 metasm encoding.
bug/bundler_fix
sinn3r 2014-12-19 13:34:56 -06:00
parent 723998e1d4
commit 650a68c994
1 changed files with 1 additions and 1 deletions
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lib/metasm/metasm/cpu/x86_64/opcodes.rb
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@ -61,7 +61,7 @@ class X86_64
addop('movq', [0x0F, 0x6E], :mrmmmx, {:d => [1, 4]}) { |o| o.args = [:modrm, :regmmx] ; o.props[:opsz] = o.props[:argsz] = 64 }
addop('movq', [0x0F, 0x6E], :mrmxmm, {:d => [1, 4]}) { |o| o.args = [:modrm, :regxmm] ; o.props[:opsz] = o.props[:argsz] = 64 ; o.props[:needpfx] = 0x66 }
addop('jcxz', [0xE3], nil, :setip, :i8) { |o| o.props[:adsz] = 32 } # actually 16 (cx), but x64 in general says pfx 0x67 => adsz = 32
addop('jecxz', [0xE3], nil, :setip, :i8) { |o| o.props[:adsz] = 32 } # actually 16 (cx), but x64 in general says pfx 0x67 => adsz = 32
addop('jrcxz', [0xE3], nil, :setip, :i8) { |o| o.props[:adsz] = 64 }
end