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From: David Malcolm
To: gcc-patches@gcc.gnu.org
Cc: David Malcolm
Subject: [PATCH 2/9] wwwdocs: gcc-14: add URLs to some options
Date: Thu, 4 Apr 2024 12:42:01 -0400
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Signed-off-by: David Malcolm
---
htdocs/gcc-14/changes.html | 23 ++++++++++++++++-------
1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 5cc729c5..397458d5 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -149,26 +149,33 @@ a work-in-progress.
to enable additional hardening.
- New option -fhardened
, an umbrella option that enables a set
- of hardening flags. The options it enables can be displayed using the
+ New option
+ -fhardened
,
+ an umbrella option that enables a set of hardening flags.
+ The options it enables can be displayed using the
--help=hardened
option.
- New option -fharden-control-flow-redundancy
, to
- verify, at the end of functions, that the visited basic blocks
+ New option
+ -fharden-control-flow-redundancy
,
+ to verify, at the end of functions, that the visited basic blocks
correspond to a legitimate execution path, so as to detect and
prevent attacks that transfer control into the middle of
functions.
- New type attribute hardbool
, for C and Ada. Hardened
+ New type attribute
+ hardbool
,
+ for C and Ada. Hardened
booleans take user-specified representations for true
and false
, presumably with higher hamming distance
than standard booleans, and get verified at every use, detecting
memory corruption and some malicious attacks.
- New type attribute strub
to control stack scrubbing
+ New type attribute
+ strub
+ to control stack scrubbing
properties of functions and variables. The stack frame used by
functions marked with the attribute gets zeroed-out upon returning
or exception escaping. Scalar variables marked with the attribute
@@ -176,7 +183,9 @@ a work-in-progress.
enabled implicitly.
- New option -finline-stringops
, to force inline
+ New option
+ -finline-stringops
,
+ to force inline
expansion of memcmp
, memcpy
,
memmove
and memset
, even when that is
not an optimization, to avoid relying on library