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| author | Ajax <commial@gmail.com> | 2015-11-12 15:47:08 +0100 |
|---|---|---|
| committer | Ajax <commial@gmail.com> | 2015-11-12 15:47:08 +0100 |
| commit | c57cb79f9adb570946f02ce96930ee686ad65734 (patch) | |
| tree | ef0a72d841f055c7ddc72c0a000216ea622c402d /miasm2/expression/simplifications_common.py | |
| parent | f0d72245c9a295958a972340c3e895596d682d8e (diff) | |
| download | miasm-c57cb79f9adb570946f02ce96930ee686ad65734.tar.gz miasm-c57cb79f9adb570946f02ce96930ee686ad65734.zip | |
Simplifications: '>>>', '<<<' with rounds > size
Diffstat (limited to 'miasm2/expression/simplifications_common.py')
| -rw-r--r-- | miasm2/expression/simplifications_common.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/miasm2/expression/simplifications_common.py b/miasm2/expression/simplifications_common.py index d50e81a1..fe69d0b9 100644 --- a/miasm2/expression/simplifications_common.py +++ b/miasm2/expression/simplifications_common.py @@ -45,10 +45,11 @@ def simp_cst_propagation(e_s, e): x2 = mod_size2int[i2.arg.size](i2.arg) o = mod_size2uint[i1.arg.size](x1 >> x2) elif op == '>>>': - rounds = i2.arg - o = i1.arg >> i2.arg | i1.arg << (i1.size - i2.arg) + o = (i1.arg >> (i2.arg % i2.size) | + i1.arg << ((i1.size - i2.arg) % i2.size)) elif op == '<<<': - o = i1.arg << i2.arg | i1.arg >> (i1.size - i2.arg) + o = (i1.arg << (i2.arg % i2.size) | + i1.arg >> ((i1.size - i2.arg) % i2.size)) elif op == '/': o = i1.arg / i2.arg elif op == '%': |