From: "Martin Liška" <mliska@suse.cz>
To: gcc-patches@gcc.gnu.org
Cc: Jakub Jelinek <jakub@redhat.com>
Subject: [PATCH] Do not allow -fgnu-tm w/ -fsanitize={kernel-,}address (PR sanitizer/81302).
Date: Mon, 10 Jul 2017 09:35:00 -0000 [thread overview]
Message-ID: <e9144b13-9853-3431-1d85-64b1bc46b906@suse.cz> (raw)
[-- Attachment #1: Type: text/plain, Size: 399 bytes --]
Hello
Following patch disables -fgnu-tm with AddressSanitizer.
Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.
Ready to be installed?
Martin
gcc/ChangeLog:
2017-07-04 Martin Liska <mliska@suse.cz>
PR sanitizer/81302
* opts.c (finish_options): Do not allow -fgnu-tm
w/ -fsanitize={kernel-,}address.
---
gcc/opts.c | 8 ++++++++
1 file changed, 8 insertions(+)
[-- Attachment #2: 0001-Do-not-allow-fgnu-tm-w-fsanitize-kernel-address-PR-s.patch --]
[-- Type: text/x-patch, Size: 651 bytes --]
diff --git a/gcc/opts.c b/gcc/opts.c
index 7460c2be1b6..c8affa4d704 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1004,6 +1004,14 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
opts->x_flag_stack_reuse = SR_NONE;
}
+
+ if ((opts->x_flag_sanitize & SANITIZE_USER_ADDRESS) && opts->x_flag_tm)
+ error_at (loc, "transactional memory is not supported with "
+ "%<-fsanitize=address%>");
+
+ if ((opts->x_flag_sanitize & SANITIZE_KERNEL_ADDRESS) && opts->x_flag_tm)
+ error_at (loc, "transactional memory is not supported with "
+ "%<-fsanitize=kernel-address%>");
}
#define LEFT_COLUMN 27
next reply other threads:[~2017-07-10 9:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-10 9:35 Martin Liška [this message]
2017-07-17 9:18 ` Richard Biener
2017-07-17 9:21 ` Jakub Jelinek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=e9144b13-9853-3431-1d85-64b1bc46b906@suse.cz \
--to=mliska@suse.cz \
--cc=gcc-patches@gcc.gnu.org \
--cc=jakub@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).