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Sun, 18 Sep 2022 15:46:01 -0400 Received: from p100.fritz.box ([92.116.165.224]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Ma24y-1olydM39QS-00Vztr; Sun, 18 Sep 2022 21:45:56 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1663530356; bh=eOtm8/SMP826aLASyoJ4JmH78WO5pl6ShNUkvz9YRjc=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=O84RgzLJBlAJLW4lndpDy4HnW9T/yI1HWSLgRbSNZgsIdBexWtsws6PseS4oS7GIw Y6AWTBoIlQYEIw46MsPi1vCeDyissGQmSeXoM24p4NaEHRU01iALm/zuCLDLp/ZGvM /J56ABIGMt1sEnNnbjkpUgFzPaRThhix2jHSH+dk= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c From: Helge Deller To: Stefan Hajnoczi , Richard Henderson , Laurent Vivier , qemu-devel@nongnu.org Cc: deller@gmx.de Subject: [PATCH v3 03/12] linux-user: Add pidfd_open(), pidfd_send_signal() and pidfd_getfd() syscalls Date: Sun, 18 Sep 2022 21:45:46 +0200 Message-Id: <20220918194555.83535-4-deller@gmx.de> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220918194555.83535-1-deller@gmx.de> References: <20220918194555.83535-1-deller@gmx.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Z8VSPQOPb3KPlXG6iouhHw++hJo7mDt9pAEUvJ2nVMNP5hlwxDs t7a/TJZK+Nzlydb+VSmCD7mSoBRNfTV3DsZJiqBGD2pJzS0/azO5ZCP5Uko7FCh53RM88k5 DmdopYpOzM3fdm+TFaZdovzDgl+fdEtWrGJ7dSLcdGEQSmNKj9RohOn5JkoPgowkoMM9vv3 MvYN2UX6K2DWg78N7UTpw== X-UI-Out-Filterresults: notjunk:1;V03:K0:HEfHolHnD2M=:/WS4Z0MHnp0kKiFbCddSbv /FkZYTw80qOqXNCTNgkYGCsAq46rGZYbPdLBfo8XFDbrjaWs6+5PZn0VBNVhD3p3PSrLpgyO4 7VRHbN0t50cwo8zRrLzKlq2/EvCveNFc7s8ZnKg3+hf8snj3KxP1t8zINagBFmX9gHrV2/bEM BhEKK7tIgttCJr0MSlN6Dfv+uvEfxIMAyLuBzLKeJoVVX6UvzuggArVEKTMUXt2F1JkuJvyYu N9tE/tJeb26JpVuh4NkSYYPtKehrHkcOqdFu7PIxpKKDHRbP2M/yxmVSvAN3k7YGReG71juYB +HdD+Ma/2DciIs+yM9QmCDuO1ZH59Quk/sysZKRAJ7nFPd98LyeZ35IYEibERNifgO67kg0C0 sjNZ64aATs7gC0aHYOPLNzdptL1Kka/wmVqbzxAYV6QV220DQrIlPJ40Ulmimyn6/BIgB3wAO eibsrP9pyyJb8n43r0eHtxNhr1yuMVO6aBK9X3jQXYOKerdZJU6LT82Bv1+QDaBTj66VOv6yC +Gu2WsY1MgneoHuMW6Zfiz9OkLvIpZtdEDpDfCEEXH99Ti3hhvWkrDXnuXxL6DuvShoyprIFf X8H1iR5L1AEmGFnOG+r/9TAn3PTA5Wco2JII4X9plR+G3B0GSdqVcvUYUE3ewq+ohGmBCQUVM JViHWCrk9AeYTcZEnIKuft5DjymyE174BD4qi7qUojDp4y6lUNcMyuXkRC3uNx63hvmLV6K9C vbuXgfExKqLjYa90pFXDhLfD+dRDc5nuoc6GhXPnOB7AhDfr2+q070Sye0Ob1nSC0Rp4kASmF JF3EuC1vveOsGA5ESE2IQyK3qnPL3+bVedB/Z26rg3e8NQKiNHZrV4pvCU1HjGktMzatzyF5J 8WLFI4fkAGWDgZjXIuCpf5i1WkNT068nX3D8/2ejSZ1819fpNWi1kkoEwtu1H+Ijt7povd2IE nG1BO31Kty6+rjjKtRQWL1ttl3cMKRYTLarX6zibBrGYjcu+axer+9MAYKcl+Q+d/VCPHeTAR CCMGPf0/G1N9916kEV/pxOiY5rG1T5BloYDWaDC8G/5ZwebxhirqG0yNrTqTXndfepL7YpetQ QuPdwuAUR9XckpI0U5lKL8aP7Rr2gNco50hXZEpictZqVrFVTOyxJMVlgugwSbGx2dgHsZcsd MDVN4bGGkcNPsJHN/5JYsp1YZR 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=212.227.17.20; 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 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: 1663530577844100001 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 Reviewed-by: Laurent Vivier --- 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 816e679995..5ac64df02b 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -3317,6 +3317,34 @@ 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 a78cdf3cdf..4d8b7f6a5e 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -1664,6 +1664,15 @@ #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 f409121202..ca39acfceb 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) && defined(TARGET_NR_pidfd_open) +_syscall2(int, pidfd_open, pid_t, pid, unsigned int, flags); +#endif +#if defined(__NR_pidfd_send_signal) && defined(TARGET_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) && defined(TARGET_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); @@ -8683,6 +8693,30 @@ 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(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) + case TARGET_NR_pidfd_open: + return get_errno(pidfd_open(arg1, arg2)); +#endif +#if defined(__NR_pidfd_send_signal) && 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(__NR_pidfd_getfd) && 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); -- 2.37.3