mirror of
https://github.com/github/codeql.git
synced 2025-12-21 11:16:30 +01:00
2c5dd2dfa3
This PR separates the core cpp packs into `codeql/cpp-queries` and `codeql/cpp-all`. There are very few lines of code changed. Almost all changes are moving files around.
36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
/**
|
|
* @name Padding Consistency Check
|
|
* @description Performs consistency checks for the padding library. This query should have no results.
|
|
* @kind table
|
|
* @id cpp/padding-consistency-check
|
|
*/
|
|
|
|
import Padding
|
|
|
|
/*
|
|
* Consistency-check: Find discrepancies between computed and actual size on LP64.
|
|
*/
|
|
|
|
/*
|
|
* from Type t, LP64 a, int padded, int bit, int real, MemberVariable v
|
|
* where padded = a.paddedSize(t) and bit = a.bitSize(t)
|
|
* and real = t.getSize() * 8 and padded != real and count(t.getSize()) = 1
|
|
* select t, a.paddedSize(t) as Padded, real, v, t.(PaddedType).memberSize(v, a)
|
|
*/
|
|
|
|
/*
|
|
* from PaddedType t, LP64 a, MemberVariable v
|
|
* where t instanceof Union and v = t.getAMember() and not exists(t.memberSize(v, a))
|
|
* select t, v, v.getType().explain()
|
|
*/
|
|
|
|
/*
|
|
* from PaddedType t, LP64 a, MemberVariable v
|
|
* where not exists(a.paddedSize(t))
|
|
* select t, t.fieldIndex(v) as i, v, t.memberSize(v, a) order by t, i
|
|
*/
|
|
|
|
from PaddedType t, LP64 a
|
|
where a.wastedSpace(t) != 0
|
|
select t, a.paddedSize(t) as size, a.wastedSpace(t) as waste order by waste desc
|