From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2152) id C9D483858C83; Thu, 2 Mar 2023 01:13:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C9D483858C83 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1677719611; bh=FkdC9PqxA7iFQawrkUXmynGeDpFrBJABnO//tHSZv5w=; h=From:To:Subject:Date:From; b=ruBQJbrzKThwZ5zqN5xirQoGC8lUOP98EUWQmLQ1q5Ti4rs9O8iLwJPV/umJPNkBu 02c6YNde0Ry1R3KFohr4P+X+CVQBj3xScNSbgXGCAvifnA+wuGzZgMaHErSQT3tHGs 4GR4AnR33DYcjKRE/I5nAqwWtdNnTekmK5eShV8o= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Hans-Peter Nilsson To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-6403] analyzer: Support errno for newlib X-Act-Checkin: gcc X-Git-Author: Hans-Peter Nilsson X-Git-Refname: refs/heads/master X-Git-Oldrev: 854a268dccd7976bfc17584be8f9b2afa6c51fa0 X-Git-Newrev: 8590e4d096e4636c9384f7f885b979026861c29f Message-Id: <20230302011331.C9D483858C83@sourceware.org> Date: Thu, 2 Mar 2023 01:13:31 +0000 (GMT) List-Id: https://gcc.gnu.org/g:8590e4d096e4636c9384f7f885b979026861c29f commit r13-6403-g8590e4d096e4636c9384f7f885b979026861c29f Author: Hans-Peter Nilsson Date: Wed Mar 1 03:54:03 2023 +0100 analyzer: Support errno for newlib Without this definition, the errno definition for newlib isn't recognized as such, and these tests fail for newlib targets: FAIL: gcc.dg/analyzer/call-summaries-errno.c (test for warnings, line 16) FAIL: gcc.dg/analyzer/call-summaries-errno.c (test for excess errors) FAIL: gcc.dg/analyzer/errno-1.c (test for warnings, line 20) FAIL: gcc.dg/analyzer/errno-1.c (test for excess errors) FAIL: gcc.dg/analyzer/flex-without-call-summaries.c (test for excess errors) FAIL: gcc.dg/analyzer/isatty-1.c (test for warnings, line 31) FAIL: gcc.dg/analyzer/isatty-1.c (test for warnings, line 35) FAIL: gcc.dg/analyzer/isatty-1.c (test for warnings, line 46) FAIL: gcc.dg/analyzer/isatty-1.c (test for warnings, line 56) FAIL: gcc.dg/analyzer/isatty-1.c (test for excess errors) gcc/analyzer: * kf.cc (register_known_functions): Add __errno function for newlib. Diff: --- gcc/analyzer/kf.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/analyzer/kf.cc b/gcc/analyzer/kf.cc index 3a91b6bd6eb..ed5f70398e1 100644 --- a/gcc/analyzer/kf.cc +++ b/gcc/analyzer/kf.cc @@ -1033,9 +1033,11 @@ register_known_functions (known_function_manager &kfm) and OS X like this: extern int * __error(void); #define errno (*__error()) + and similarly __errno for newlib. Add these as synonyms for "__errno_location". */ kfm.add ("___errno", make_unique ()); kfm.add ("__error", make_unique ()); + kfm.add ("__errno", make_unique ()); } /* Language-specific support functions. */