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* [gcc r12-7808] Docs: Document that taint analyzer checker disables some warnings [PR103533]
@ 2022-03-25 0:57 David Malcolm
0 siblings, 0 replies; only message in thread
From: David Malcolm @ 2022-03-25 0:57 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:319ba7e241e7e21f9eb481f075310796f13d2035
commit r12-7808-g319ba7e241e7e21f9eb481f075310796f13d2035
Author: Avinash Sonawane <rootkea@gmail.com>
Date: Tue Mar 22 07:32:44 2022 +0530
Docs: Document that taint analyzer checker disables some warnings [PR103533]
gcc/ChangeLog:
PR analyzer/103533
* doc/invoke.texi: Document that enabling taint analyzer
checker disables some warnings from `-fanalyzer`.
Signed-off-by: Avinash Sonawane <rootkea@gmail.com>
Diff:
---
gcc/doc/invoke.texi | 33 +++++++++++++++++++++++++++------
1 file changed, 27 insertions(+), 6 deletions(-)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4da4a1170f5..8b16b35ec12 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -421,14 +421,13 @@ Objective-C and Objective-C++ Dialects}.
-fanalyzer-checker=@var{name} @gol
-fno-analyzer-feasibility @gol
-fanalyzer-fine-grained @gol
--fanalyzer-state-merge @gol
--fanalyzer-state-purge @gol
+-fno-analyzer-state-merge @gol
+-fno-analyzer-state-purge @gol
-fanalyzer-transitivity @gol
-fanalyzer-verbose-edges @gol
-fanalyzer-verbose-state-changes @gol
-fanalyzer-verbosity=@var{level} @gol
-fdump-analyzer @gol
--fdump-analyzer-stderr @gol
-fdump-analyzer-callgraph @gol
-fdump-analyzer-exploded-graph @gol
-fdump-analyzer-exploded-nodes @gol
@@ -438,6 +437,7 @@ Objective-C and Objective-C++ Dialects}.
-fdump-analyzer-feasibility @gol
-fdump-analyzer-json @gol
-fdump-analyzer-state-purge @gol
+-fdump-analyzer-stderr @gol
-fdump-analyzer-supergraph @gol
-Wno-analyzer-double-fclose @gol
-Wno-analyzer-double-free @gol
@@ -9659,22 +9659,24 @@ Enabling this option effectively enables the following warnings:
-Wanalyzer-free-of-non-heap @gol
-Wanalyzer-malloc-leak @gol
-Wanalyzer-mismatching-deallocation @gol
--Wanalyzer-possible-null-argument @gol
--Wanalyzer-possible-null-dereference @gol
-Wanalyzer-null-argument @gol
-Wanalyzer-null-dereference @gol
+-Wanalyzer-possible-null-argument @gol
+-Wanalyzer-possible-null-dereference @gol
-Wanalyzer-shift-count-negative @gol
-Wanalyzer-shift-count-overflow @gol
-Wanalyzer-stale-setjmp-buffer @gol
+@ignore
-Wanalyzer-tainted-allocation-size @gol
-Wanalyzer-tainted-array-index @gol
-Wanalyzer-tainted-divisor @gol
-Wanalyzer-tainted-offset @gol
-Wanalyzer-tainted-size @gol
+@end ignore
-Wanalyzer-unsafe-call-within-signal-handler @gol
-Wanalyzer-use-after-free @gol
--Wanalyzer-use-of-uninitialized-value @gol
-Wanalyzer-use-of-pointer-in-stale-stack-frame @gol
+-Wanalyzer-use-of-uninitialized-value @gol
-Wanalyzer-write-to-const @gol
-Wanalyzer-write-to-string-literal @gol
}
@@ -10015,6 +10017,25 @@ such as the @code{taint} checker that implements
@option{-Wanalyzer-tainted-array-index}, and this option is required
to enable them.
+@emph{Note:} currently, @option{-fanalyzer-checker=taint} disables the
+following warnings from @option{-fanalyzer}:
+
+@gccoptlist{ @gol
+-Wanalyzer-double-fclose @gol
+-Wanalyzer-double-free @gol
+-Wanalyzer-exposure-through-output-file @gol
+-Wanalyzer-file-leak @gol
+-Wanalyzer-free-of-non-heap @gol
+-Wanalyzer-malloc-leak @gol
+-Wanalyzer-mismatching-deallocation @gol
+-Wanalyzer-null-argument @gol
+-Wanalyzer-null-dereference @gol
+-Wanalyzer-possible-null-argument @gol
+-Wanalyzer-possible-null-dereference @gol
+-Wanalyzer-unsafe-call-within-signal-handler @gol
+-Wanalyzer-use-after-free @gol
+}
+
@item -fno-analyzer-feasibility
@opindex fanalyzer-feasibility
@opindex fno-analyzer-feasibility
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2022-03-25 0:57 [gcc r12-7808] Docs: Document that taint analyzer checker disables some warnings [PR103533] David Malcolm
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