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Fri, 26 Aug 2022 10:18:59 -0400 Received: from p100.fritz.box ([92.116.171.190]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MRTN9-1oormt2daH-00NSDP; Fri, 26 Aug 2022 16:18:54 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1661523534; bh=Rm37/UMtMZy/vrc/Mh4Erf/0gMnHLsIB/UJJVZ50obo=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=RKG0/9YkJiAgwX1e+L3yEBB8Pw1yQqAPQd1pRmYUljkblLq6cyTLVPIxEHnEixR+B 6vbF6m/wRvQnwVgKjdkkQl7NAcDp184y+n7R5gwWn27KrJxNtjr1qzdfWoMff7cTH/ 3n/n+yRPOQ//Fcku2PlWh9+f9DmblDW2vMyVeGec= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c From: Helge Deller To: Laurent Vivier , qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PATCH 04/13] linux-user: Add pidfd_open(), pidfd_send_signal() and pidfd_getfd() syscalls Date: Fri, 26 Aug 2022 16:18:44 +0200 Message-Id: <20220826141853.419564-5-deller@gmx.de> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220826141853.419564-1-deller@gmx.de> References: <20220826141853.419564-1-deller@gmx.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:lYz7os+2Ot5XYZ0+JTUfz6mfB9umwxXXmb9x1CPh/Wo2Tq/9zUn rr1bTGtJt1DNDZD1+u3XQDh7KB1QM5jKdV0DqRmv0LuohK7dN4/3pGo1MGX3aOL7HiqOCKe nKmaLwtlfjeBERIhRArWG38Su732SnY6Y4ricI+prruPqOfOjazBQChifEsf35GkysmHJ8L oiSEogAp8msK1VDRaQmzg== X-UI-Out-Filterresults: notjunk:1;V03:K0:QYvPT7KFr+Q=:WhogArtIAgrk06tTbSMRbP j1X1FcSv0rLT+W2fNpMmr7l+GO6i0ZLJh1gfRyi3I1Jwon8zgXG/hhzrLmgQc97Rlfj4IJBIG RVHUY6LpVj3VELIjrHjc9qvaFWyIYaHmlzt9lQwToYDKuI+okNBMWo8jkQKaefUfMkgMPecd7 U5LOwk9Y/niKga7ueF++465BobSg7jzRL9F67YYDXZB2DmnEnxCnq1eMTUxnch7C4UfNWZ6Qd XhxOxoLx5OGqWryZtzAeHRZ2y69egunwkoiFU+9vIAlgtlTuISgLPfiv1aDs6b4U0I8sUuAQZ f9YGCpkmUsOb+hLelVBNFkJCfqb7BgI+ICjguqqer+mBZtjCUoqoDZXCfbu2FBoYEXg1m5aH9 7MGuJLgthAvcgkR+sl4JbE9/5ioqqYtxA/nNoAcYpG6BcT8du+wjq4cEnwjqAqhnKtNua8O38 ZxduevNIecTUTQP9I9nRNs0YwMsOmpKNWePzBS/bhNHoKi4cnWfcFzODyOTcvjkHMoqQ8LS67 /NZtaNms2HLAkykDUnNxG57iwMvWxmqI0CluNdIvazSEUmgqB3v9uMXASqkmQX2UhVCjpQ91V K2vzVNjz09YzXYYoGkvadoQNANUg3N1XwYvtv6Szh/BMAHDqZQsqoEUG5P9tVNFSDISTVgitC uycEi6QznalyPeMsuTHsjb+wq6sLsADPSZrQrEfINB7HOnOJoBl0D45iocpXXWpw80E/aJysZ 0Uk0qqSJFHaujfpxG0vKeFnGoCJB0nYJKRcUyhdKVF3iN/lkYL0oKhT5ccIkMmJWppwKmMha6 GGl0WQKAkyRtFhVdd+yNWRPERhF/B7M0dMQhqT0h92SLcfnEbGRstfCenhK/gCS5R9qnDxxNR vCP32ynL+LxfWVExuOvXVp15w3Ez42vFp7PeVFGoSAammn607GzgXIeJPEg4sHNSgVGQH2Mcm xWRdwZZREc+zEKPLRGsQDEnCWfZunglOuOtsBN4yidHxfi7xnc5d6z/TNVp8E8DHp+jrL9xDa 8ebpeurnKIU9DypixCxYb1dp+ek+n1CAndT89aZOxg1UHvxjpCW12FQ6/nWuULTWSnbW0hVz8 l+jlPDI/HHTscnybxS27Q2f+cHK/7U7dEgfPUlCHUDzfKije2oRmeGOLQ== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=212.227.15.15; envelope-from=deller@gmx.de; helo=mout.gmx.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmx.net) X-ZM-MESSAGEID: 1661524929049100001 Content-Type: text/plain; charset="utf-8" I noticed those were missing when running the glib2.0 testsuite. Add the syscalls including the strace output. Signed-off-by: Helge Deller --- linux-user/strace.c | 28 ++++++++++++++++++++++++++++ linux-user/strace.list | 9 +++++++++ linux-user/syscall.c | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 71 insertions(+) diff --git a/linux-user/strace.c b/linux-user/strace.c index e8c63aa4c2..86b2034c81 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -3316,6 +3316,34 @@ print_openat(CPUArchState *cpu_env, const struct sys= callname *name, } #endif +#ifdef TARGET_NR_pidfd_send_signal +static void +print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *n= ame, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + void *p; + target_siginfo_t uinfo; + + print_syscall_prologue(name); + print_raw_param("%d", arg0, 0); + print_signal(arg1, 0); + + p =3D lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1); + if (p) { + get_target_siginfo(&uinfo, p); + print_siginfo(&uinfo); + + unlock_user(p, arg2, 0); + } else { + print_pointer(arg2, 1); + } + + print_raw_param("%u", arg3, 0); + print_syscall_epilogue(name); +} +#endif + #ifdef TARGET_NR_mq_unlink static void print_mq_unlink(CPUArchState *cpu_env, const struct syscallname *name, diff --git a/linux-user/strace.list b/linux-user/strace.list index 6e88da7fad..7a69152db7 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -1667,6 +1667,15 @@ #ifdef TARGET_NR_pipe2 { TARGET_NR_pipe2, "pipe2", NULL, NULL, NULL }, #endif +#ifdef TARGET_NR_pidfd_open +{ TARGET_NR_pidfd_open, "pidfd_open", "%s(%d,%u)", NULL, NULL }, +#endif +#ifdef TARGET_NR_pidfd_send_signal +{ TARGET_NR_pidfd_send_signal, "pidfd_send_signal", NULL, print_pidfd_send= _signal, NULL }, +#endif +#ifdef TARGET_NR_pidfd_getfd +{ TARGET_NR_pidfd_getfd, "pidfd_getfd", "%s(%d,%d,%u)", NULL, NULL }, +#endif #ifdef TARGET_NR_atomic_cmpxchg_32 { TARGET_NR_atomic_cmpxchg_32, "atomic_cmpxchg_32", NULL, NULL, NULL }, #endif diff --git a/linux-user/syscall.c b/linux-user/syscall.c index f51c4fbabd..a1e6d4ad53 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -346,6 +346,16 @@ _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, _syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val, const struct timespec *,timeout,int *,uaddr2,int,val3) #endif +#if defined(__NR_pidfd_open) +_syscall2(int, pidfd_open, pid_t, pid, unsigned int, flags); +#endif +#if defined(__NR_pidfd_send_signal) +_syscall4(int, pidfd_send_signal, int, pidfd, int, sig, siginfo_t *, info, + unsigned int, flags); +#endif +#if defined(__NR_pidfd_getfd) +_syscall3(int, pidfd_getfd, int, pidfd, int, targetfd, unsigned int, flags= ); +#endif #define __NR_sys_sched_getaffinity __NR_sched_getaffinity _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, unsigned long *, user_mask_ptr); @@ -8686,6 +8696,30 @@ static abi_long do_syscall1(CPUArchState *cpu_env, i= nt num, abi_long arg1, ret =3D do_open_by_handle_at(arg1, arg2, arg3); fd_trans_unregister(ret); return ret; +#endif +#if defined(TARGET_NR_pidfd_open) + case TARGET_NR_pidfd_open: + return get_errno(pidfd_open(arg1, arg2)); +#endif +#if defined(TARGET_NR_pidfd_send_signal) + case TARGET_NR_pidfd_send_signal: + { + siginfo_t uinfo; + + p =3D lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1= ); + if (!p) { + return -TARGET_EFAULT; + } + target_to_host_siginfo(&uinfo, p); + unlock_user(p, arg3, 0); + ret =3D get_errno(pidfd_send_signal(arg1, target_to_host_signa= l(arg2), + &uinfo, arg4)); + } + return ret; +#endif +#if defined(TARGET_NR_pidfd_getfd) + case TARGET_NR_pidfd_getfd: + return get_errno(pidfd_getfd(arg1, arg2, arg3)); #endif case TARGET_NR_close: fd_trans_unregister(arg1); -- 2.37.1