cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ifcol.cocci (1258B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2/// Find confusingly indented code in or after an if.  An if branch should
      3/// be indented.  The code following an if should not be indented.
      4/// Sometimes, code after an if that is indented is actually intended to be
      5/// part of the if branch.
      6///
      7//# This has a high rate of false positives, because Coccinelle's column
      8//# calculation does not distinguish between spaces and tabs, so code that
      9//# is not visually aligned may be considered to be in the same column.
     10//
     11// Confidence: Low
     12// Copyright: (C) 2010 Nicolas Palix, DIKU.
     13// Copyright: (C) 2010 Julia Lawall, DIKU.
     14// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
     15// URL: http://coccinelle.lip6.fr/
     16// Comments:
     17// Options: --no-includes --include-headers
     18
     19virtual org
     20virtual report
     21
     22@r disable braces4@
     23position p1,p2;
     24statement S1,S2;
     25@@
     26
     27(
     28if (...) { ... }
     29|
     30if (...) S1@p1 S2@p2
     31)
     32
     33@script:python depends on org@
     34p1 << r.p1;
     35p2 << r.p2;
     36@@
     37
     38if (p1[0].column == p2[0].column):
     39  cocci.print_main("branch",p1)
     40  cocci.print_secs("after",p2)
     41
     42@script:python depends on report@
     43p1 << r.p1;
     44p2 << r.p2;
     45@@
     46
     47if (p1[0].column == p2[0].column):
     48  msg = "code aligned with following code on line %s" % (p2[0].line)
     49  coccilib.report.print_report(p1[0],msg)