From patchwork Thu Sep 14 16:01:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13385679 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30A00EEAA53 for ; Thu, 14 Sep 2023 16:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=oEHTtM+pHg7fYgyQNlJw2YSgzz78InThR14sFvEtnj8=; b=LwLkHGW0OYn4bC A7xkAdF2t1nBxCupN/PcoWTwPeDPtcigBee3b1sIkliXiZZKngzn5vydE6I8Jq2GRznc+48pRsA9+ p7xRC6kXpoOauLC4Y9JTtiNWOHrVMmhxrlXztPkSmWy3bNE4ldgozWfRY/4NAUsjW3hjGmF1bQKDk C9aj4NRfXOmgg1IS4S1D9p/vvZDlNmVzneWQ4V6aU7PqmSNl7/f5bGjov1DtGBevb01ghMrgECAV9 Xl6Q9OOZ/9tj/Z4eeaFIJ23nRwj76lZHNxkYvdPYdvRXyCzkdCiIY211X9msXbDd/n9fshrPHiLmi m6EQHs76G1PRWaARxQNQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qgomo-008qtW-2a; Thu, 14 Sep 2023 16:01:46 +0000 Received: from todd.t-8ch.de ([2a01:4f8:c010:41de::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qgomh-008qpY-2w for linux-riscv@lists.infradead.org; Thu, 14 Sep 2023 16:01:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1694707293; bh=rklkaKmuEop2mkqsY9+prLbWDx4KQ6pug1wWbwN/pUU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=l0Q201ayEAQrclQ0up4pYQXtSYdkzEK6uNrRoR2Ydz94iDRpFdRko733hWRKljKnX ek6mnVsHkN6wTlz9/mww7YXQUCAYev+O1cs3rkGQ/+0U4BHjqbkFa6enJpUr0UJXSr m4iTLUZQUUJE93+vAqr0qmdRE9D8GGyIxx+th+Tc= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Thu, 14 Sep 2023 18:01:18 +0200 Subject: [PATCH 2/4] tools/nolibc: avoid unused parameter warnings for ENOSYS fallbacks MIME-Version: 1.0 Message-Id: <20230914-nolibc-syscall-nr-v1-2-e50df410da11@weissschuh.net> References: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> In-Reply-To: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> To: Willy Tarreau , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1694707292; l=3290; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=rklkaKmuEop2mkqsY9+prLbWDx4KQ6pug1wWbwN/pUU=; b=3ASFNj+C1ZmK459CmYHIr9/+BQymJpv0Mz8eFVb1MBFyHEdV/HJa8qwuKaUDzvCrAjBT06SAh 2EY0avaf7rvCgBGFJj+0E3x0xKlFz9hy/NC6XYAJ7QBGapHZ5vh9TUM X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230914_090140_129481_413DD9F6 X-CRM114-Status: UNSURE ( 5.75 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The ENOSYS fallback code does not use its functions parameters. This can lead to compiler warnings about unused parameters. Explicitly avoid these warnings. Signed-off-by: Thomas Weißschuh --- tools/include/nolibc/sys.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index b478750c9004..bc56310c6bdf 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -133,6 +133,8 @@ int sys_chmod(const char *path, mode_t mode) #elif defined(__NR_chmod) return my_syscall2(__NR_chmod, path, mode); #else + (void)path; + (void)mode; return -ENOSYS; #endif } @@ -156,6 +158,9 @@ int sys_chown(const char *path, uid_t owner, gid_t group) #elif defined(__NR_chown) return my_syscall3(__NR_chown, path, owner, group); #else + (void)path; + (void)owner; + (void)group; return -ENOSYS; #endif } @@ -230,6 +235,8 @@ int sys_dup2(int old, int new) #elif defined(__NR_dup2) return my_syscall2(__NR_dup2, old, new); #else + (void)old; + (void)new; return -ENOSYS; #endif } @@ -486,6 +493,8 @@ int sys_gettimeofday(struct timeval *tv, struct timezone *tz) #ifdef __NR_gettimeofday return my_syscall2(__NR_gettimeofday, tv, tz); #else + (void)tv; + (void)tz; return -ENOSYS; #endif } @@ -563,6 +572,8 @@ int sys_link(const char *old, const char *new) #elif defined(__NR_link) return my_syscall2(__NR_link, old, new); #else + (void)old; + (void)new; return -ENOSYS; #endif } @@ -584,6 +595,9 @@ off_t sys_lseek(int fd, off_t offset, int whence) #ifdef __NR_lseek return my_syscall3(__NR_lseek, fd, offset, whence); #else + (void)fd; + (void)offset; + (void)whence; return -ENOSYS; #endif } @@ -607,6 +621,8 @@ int sys_mkdir(const char *path, mode_t mode) #elif defined(__NR_mkdir) return my_syscall2(__NR_mkdir, path, mode); #else + (void)path; + (void)mode; return -ENOSYS; #endif } @@ -629,6 +645,7 @@ int sys_rmdir(const char *path) #elif defined(__NR_unlinkat) return my_syscall3(__NR_unlinkat, AT_FDCWD, path, AT_REMOVEDIR); #else + (void)path; return -ENOSYS; #endif } @@ -652,6 +669,9 @@ long sys_mknod(const char *path, mode_t mode, dev_t dev) #elif defined(__NR_mknod) return my_syscall3(__NR_mknod, path, mode, dev); #else + (void)path; + (void)mode; + (void)dev; return -ENOSYS; #endif } @@ -742,6 +762,9 @@ int sys_open(const char *path, int flags, mode_t mode) #elif defined(__NR_open) return my_syscall3(__NR_open, path, flags, mode); #else + (void)path; + (void)flags; + (void)mode; return -ENOSYS; #endif } @@ -842,6 +865,9 @@ int sys_poll(struct pollfd *fds, int nfds, int timeout) #elif defined(__NR_poll) return my_syscall3(__NR_poll, fds, nfds, timeout); #else + (void)fds; + (void)nfds; + (void)timeout; return -ENOSYS; #endif } @@ -934,6 +960,11 @@ int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeva #endif return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); #else + (void)nfds; + (void)rfds; + (void)wfds; + (void)efds; + (void)timeout; return -ENOSYS; #endif }