[02/33] linux-user: Relax single exit from "break"

Message ID	20180601073050.8054-3-richard.henderson@linaro.org
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Date: Fri, 1 Jun 2018 00:30:19 -0700 Message-Id: <20180601073050.8054-3-richard.henderson@linaro.org> In-Reply-To: <20180601073050.8054-1-richard.henderson@linaro.org> References: <20180601073050.8054-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH 02/33] linux-user: Relax single exit from "break" Precedence: list Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patch=linaro.org@nongnu.org>
Series	linux-user: Begin splitting do_syscall \| expand [00/33] linux-user: Begin splitting do_syscall [01/33] linux-user: Split out do_syscall1 [02/33] linux-user: Relax single exit from "break" [03/33] linux-user: Propagate goto ebadf to return [04/33] linux-user: Propagate goto efault to return [05/33] linux-user: Propagate goto unimplemented_nowarn to return [06/33] linux-user: Split out goto unimplemented to do_unimplemented [07/33] linux-user: Propagate goto fail to return [08/33] linux-user: Make syscall number unsigned [09/33] linux-user: Set up infrastructure for table-izing syscalls [10/33] linux-user: Split out brk, close, exit, read, write [11/33] linux-user: Split out execve [12/33] linux-user: Split out open, openat [13/33] linux-user: Split out name_to_handle_at [14/33] linux-user: Split out open_to_handle_at [15/33] linux-user: Split out creat, fork, waitid, waitpid [16/33] linux-user: Split out link, linkat [17/33] linux-user: Split out unlink, unlinkat [18/33] linux-user: Split out chdir, mknod, mknodat, time, chmod [19/33] linux-user: Remove all unimplemented entries [20/33] linux-user: Split out getpid, getxpid, lseek [21/33] linux-user: Split out mount, umount [22/33] linux-user: Split out alarm, pause, stime, utime, utimes [23/33] linux-user: Split out access, faccessat, futimesat, kill, nice, sync, syncfs [24/33] linux-user: Split out rename, renameat, renameat2 [25/33] linux-user: Split out dup, mkdir, mkdirat, rmdir [26/33] linux-user: Split out acct, pipe, pipe2, times, umount2 [27/33] linux-user: Split out ioctl [28/33] linux-user: Split out chroot, dup2, dup3, fcntl, setpgid, umask [29/33] linux-user: Split out getpgrp, getppid, setsid [30/33] linux-user: Split out rt_sigaction, sigaction [31/33] linux-user: Split out rt_sigprocmask, sgetmask, sigprocmask, ssetmask [32/33] linux-user: Split out rt_sigpending, rt_sigsuspend, sigpending, sigsuspend [33/33] linux-user: Split out rt_sigqueueinfo, rt_sigtimedwait, rt_tgsigqueueinfo

diff --git a/linux-user/syscall.c b/linux-user/syscall.c index ebaefebcc2..258aff0411 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7987,8 +7987,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, Do thread termination if we have more then one thread. */ if (block_signals()) { - ret = -TARGET_ERESTARTSYS; - break; + return -TARGET_ERESTARTSYS; } cpu_list_lock(); @@ -8020,12 +8019,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif gdb_exit(cpu_env, arg1); _exit(arg1); - ret = 0; /* avoid warning */ - break; + return 0; /* avoid warning */ case TARGET_NR_read: - if (arg3 == 0) - ret = 0; - else { + if (arg3 == 0) { + return 0; + } else { if (is_hostfd(arg1)) { goto ebadf; } @@ -8038,7 +8036,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user(p, arg2, ret); } - break; + return ret; case TARGET_NR_write: if (is_hostfd(arg1)) { goto ebadf; @@ -8057,7 +8055,8 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_write(arg1, p, arg3)); } unlock_user(p, arg2, 0); - break; + return ret; + #ifdef TARGET_NR_open case TARGET_NR_open: if (!(p = lock_user_string(arg1))) @@ -8067,7 +8066,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg3)); fd_trans_unregister(ret); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_openat: if (is_hostfd(arg1)) { @@ -8080,14 +8079,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg4)); fd_trans_unregister(ret); unlock_user(p, arg2, 0); - break; + return ret; #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) case TARGET_NR_name_to_handle_at: if (is_hostfd(arg1)) { goto ebadf; } ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); - break; + return ret; #endif #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) case TARGET_NR_open_by_handle_at: @@ -8096,22 +8095,20 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } ret = do_open_by_handle_at(arg1, arg2, arg3); fd_trans_unregister(ret); - break; + return ret; #endif case TARGET_NR_close: if (is_hostfd(arg1)) { goto ebadf; } fd_trans_unregister(arg1); - ret = get_errno(close(arg1)); - break; + return get_errno(close(arg1)); + case TARGET_NR_brk: - ret = do_brk(arg1); - break; + return do_brk(arg1); #ifdef TARGET_NR_fork case TARGET_NR_fork: - ret = get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); - break; + return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); #endif #ifdef TARGET_NR_waitpid case TARGET_NR_waitpid: @@ -8122,7 +8119,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, && put_user_s32(host_to_target_waitstatus(status), arg2)) goto efault; } - break; + return ret; #endif #ifdef TARGET_NR_waitid case TARGET_NR_waitid: @@ -8137,7 +8134,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg3, sizeof(target_siginfo_t)); } } - break; + return ret; #endif #ifdef TARGET_NR_creat /* not on alpha */ case TARGET_NR_creat: @@ -8146,7 +8143,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(creat(p, arg2)); fd_trans_unregister(ret); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_link case TARGET_NR_link: @@ -8161,7 +8158,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_linkat) case TARGET_NR_linkat: @@ -8180,7 +8177,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg2, 0); unlock_user(p2, arg4, 0); } - break; + return ret; #endif #ifdef TARGET_NR_unlink case TARGET_NR_unlink: @@ -8188,7 +8185,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(unlink(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_unlinkat) case TARGET_NR_unlinkat: @@ -8199,7 +8196,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(unlinkat(arg1, p, arg3)); unlock_user(p, arg2, 0); - break; + return ret; #endif case TARGET_NR_execve: { @@ -8297,13 +8294,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, g_free(argp); g_free(envp); } - break; + return ret; case TARGET_NR_chdir: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(chdir(p)); unlock_user(p, arg1, 0); - break; + return ret; #ifdef TARGET_NR_time case TARGET_NR_time: { @@ -8314,7 +8311,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, && put_user_sal(host_time, arg1)) goto efault; } - break; + return ret; #endif #ifdef TARGET_NR_mknod case TARGET_NR_mknod: @@ -8322,7 +8319,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(mknod(p, arg2, arg3)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_mknodat) case TARGET_NR_mknodat: @@ -8333,7 +8330,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(mknodat(arg1, p, arg3, arg4)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_chmod case TARGET_NR_chmod: @@ -8341,7 +8338,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(chmod(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_break case TARGET_NR_break: @@ -8355,19 +8352,16 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(lseek(arg1, arg2, arg3)); - break; + return get_errno(lseek(arg1, arg2, arg3)); #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) /* Alpha specific */ case TARGET_NR_getxpid: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); - ret = get_errno(getpid()); - break; + return get_errno(getpid()); #endif #ifdef TARGET_NR_getpid case TARGET_NR_getpid: - ret = get_errno(getpid()); - break; + return get_errno(getpid()); #endif case TARGET_NR_mount: { @@ -8423,14 +8417,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p3, arg3, 0); } } - break; + return ret; #ifdef TARGET_NR_umount case TARGET_NR_umount: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(umount(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_stime /* not on alpha */ case TARGET_NR_stime: @@ -8438,16 +8432,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, time_t host_time; if (get_user_sal(host_time, arg1)) goto efault; - ret = get_errno(stime(&host_time)); + return get_errno(stime(&host_time)); } - break; #endif case TARGET_NR_ptrace: goto unimplemented; #ifdef TARGET_NR_alarm /* not on alpha */ case TARGET_NR_alarm: - ret = alarm(arg1); - break; + return alarm(arg1); #endif #ifdef TARGET_NR_oldfstat case TARGET_NR_oldfstat: @@ -8458,8 +8450,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!block_signals()) { sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); } - ret = -TARGET_EINTR; - break; + return -TARGET_EINTR; #endif #ifdef TARGET_NR_utime case TARGET_NR_utime: @@ -8481,7 +8472,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(utime(p, host_tbuf)); unlock_user(p, arg1, 0); } - break; + return ret; #endif #ifdef TARGET_NR_utimes case TARGET_NR_utimes: @@ -8501,7 +8492,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(utimes(p, tvp)); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_futimesat) case TARGET_NR_futimesat: @@ -8527,7 +8518,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(ret); unlock_user(fn, arg2, 0); } - break; + return ret; #endif #ifdef TARGET_NR_stty case TARGET_NR_stty: @@ -8547,7 +8538,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, access(fn, arg2)); ret = get_errno(ret); unlock_user(fn, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) case TARGET_NR_faccessat: @@ -8562,12 +8553,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, faccessat(arg1, fn, arg3, 0)); ret = get_errno(ret); unlock_user(fn, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_nice /* not on alpha */ case TARGET_NR_nice: - ret = get_errno(nice(arg1)); - break; + return get_errno(nice(arg1)); #endif #ifdef TARGET_NR_ftime case TARGET_NR_ftime: @@ -8575,16 +8565,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif case TARGET_NR_sync: sync(); - ret = 0; - break; + return 0; #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) case TARGET_NR_syncfs: - ret = get_errno(syncfs(arg1)); - break; + return get_errno(syncfs(arg1)); #endif case TARGET_NR_kill: - ret = get_errno(safe_kill(arg1, target_to_host_signal(arg2))); - break; + return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); #ifdef TARGET_NR_rename case TARGET_NR_rename: { @@ -8598,7 +8585,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_renameat) case TARGET_NR_renameat: @@ -8615,7 +8602,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg4, 0); unlock_user(p, arg2, 0); } - break; + return ret; #endif #if defined(TARGET_NR_renameat2) case TARGET_NR_renameat2: @@ -8633,7 +8620,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg4, 0); unlock_user(p, arg2, 0); } - break; + return ret; #endif #ifdef TARGET_NR_mkdir case TARGET_NR_mkdir: @@ -8641,7 +8628,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(mkdir(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_mkdirat) case TARGET_NR_mkdirat: @@ -8652,7 +8639,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(mkdirat(arg1, p, arg3)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_rmdir case TARGET_NR_rmdir: @@ -8660,7 +8647,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(rmdir(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_dup: if (is_hostfd(arg1)) { @@ -8670,17 +8657,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_dup(arg1, ret); } - break; + return ret; #ifdef TARGET_NR_pipe case TARGET_NR_pipe: - ret = do_pipe(cpu_env, arg1, 0, 0); - break; + return do_pipe(cpu_env, arg1, 0, 0); #endif #ifdef TARGET_NR_pipe2 case TARGET_NR_pipe2: - ret = do_pipe(cpu_env, arg1, - target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); - break; + return do_pipe(cpu_env, arg1, + target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); #endif case TARGET_NR_times: { @@ -8699,7 +8684,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) ret = host_to_target_clock_t(ret); } - break; + return ret; #ifdef TARGET_NR_prof case TARGET_NR_prof: goto unimplemented; @@ -8719,34 +8704,31 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(ret); unlock_user(fn, arg1, 0); } - break; + return ret; #ifdef TARGET_NR_umount2 case TARGET_NR_umount2: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(umount2(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_lock case TARGET_NR_lock: goto unimplemented; #endif case TARGET_NR_ioctl: - ret = do_ioctl(arg1, arg2, arg3); - break; + return do_ioctl(arg1, arg2, arg3); #ifdef TARGET_NR_fcntl case TARGET_NR_fcntl: - ret = do_fcntl(arg1, arg2, arg3); - break; + return do_fcntl(arg1, arg2, arg3); #endif #ifdef TARGET_NR_mpx case TARGET_NR_mpx: goto unimplemented; #endif case TARGET_NR_setpgid: - ret = get_errno(setpgid(arg1, arg2)); - break; + return get_errno(setpgid(arg1, arg2)); #ifdef TARGET_NR_ulimit case TARGET_NR_ulimit: goto unimplemented; @@ -8756,14 +8738,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto unimplemented; #endif case TARGET_NR_umask: - ret = get_errno(umask(arg1)); - break; + return get_errno(umask(arg1)); case TARGET_NR_chroot: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(chroot(p)); unlock_user(p, arg1, 0); - break; + return ret; #ifdef TARGET_NR_ustat case TARGET_NR_ustat: goto unimplemented; @@ -8777,7 +8758,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_dup(arg1, arg2); } - break; + return ret; #endif #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) case TARGET_NR_dup3: @@ -8795,22 +8776,19 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_dup(arg1, arg2); } - break; + return ret; } #endif #ifdef TARGET_NR_getppid /* not on alpha */ case TARGET_NR_getppid: - ret = get_errno(getppid()); - break; + return get_errno(getppid()); #endif #ifdef TARGET_NR_getpgrp case TARGET_NR_getpgrp: - ret = get_errno(getpgrp()); - break; + return get_errno(getpgrp()); #endif case TARGET_NR_setsid: - ret = get_errno(setsid()); - break; + return get_errno(setsid()); #ifdef TARGET_NR_sigaction case TARGET_NR_sigaction: { @@ -8894,7 +8872,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } #endif } - break; + return ret; #endif case TARGET_NR_rt_sigaction: { @@ -8911,8 +8889,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_sigaction act, oact, *pact = 0; if (arg4 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (arg2) { if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) @@ -8944,8 +8921,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_sigaction *oact; if (sigsetsize != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (arg2) { if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { @@ -8972,7 +8948,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(oact, arg3, 1); #endif } - break; + return ret; #ifdef TARGET_NR_sgetmask /* not on alpha */ case TARGET_NR_sgetmask: { @@ -8984,7 +8960,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = target_set; } } - break; + return ret; #endif #ifdef TARGET_NR_ssetmask /* not on alpha */ case TARGET_NR_ssetmask: @@ -8998,7 +8974,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = target_set; } } - break; + return ret; #endif #ifdef TARGET_NR_sigprocmask case TARGET_NR_sigprocmask: @@ -9068,7 +9044,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } #endif } - break; + return ret; #endif case TARGET_NR_rt_sigprocmask: { @@ -9076,8 +9052,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, sigset_t set, oldset, *set_ptr; if (arg4 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (arg2) { @@ -9112,7 +9087,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg3, sizeof(target_sigset_t)); } } - break; + return ret; #ifdef TARGET_NR_sigpending case TARGET_NR_sigpending: { @@ -9125,7 +9100,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, sizeof(target_sigset_t)); } } - break; + return ret; #endif case TARGET_NR_rt_sigpending: { @@ -9137,8 +9112,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, * the old_sigset_t is smaller in size. */ if (arg2 > sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } ret = get_errno(sigpending(&set)); @@ -9149,7 +9123,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, sizeof(target_sigset_t)); } } - break; + return ret; #ifdef TARGET_NR_sigsuspend case TARGET_NR_sigsuspend: { @@ -9169,15 +9143,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ts->in_sigsuspend = 1; } } - break; + return ret; #endif case TARGET_NR_rt_sigsuspend: { TaskState *ts = cpu->opaque; if (arg2 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) goto efault; @@ -9189,7 +9162,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ts->in_sigsuspend = 1; } } - break; + return ret; case TARGET_NR_rt_sigtimedwait: { sigset_t set; @@ -9197,8 +9170,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, siginfo_t uinfo; if (arg4 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) @@ -9226,7 +9198,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = host_to_target_signal(ret); } } - break; + return ret; case TARGET_NR_rt_sigqueueinfo: { siginfo_t uinfo; @@ -9239,7 +9211,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg3, 0); ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); } - break; + return ret; case TARGET_NR_rt_tgsigqueueinfo: { siginfo_t uinfo; @@ -9252,7 +9224,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg4, 0); ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); } - break; + return ret; #ifdef TARGET_NR_sigreturn case TARGET_NR_sigreturn: if (block_signals()) { @@ -9260,21 +9232,20 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } else { ret = do_sigreturn(cpu_env); } - break; + return ret; #endif case TARGET_NR_rt_sigreturn: if (block_signals()) { - ret = -TARGET_ERESTARTSYS; + return -TARGET_ERESTARTSYS; } else { - ret = do_rt_sigreturn(cpu_env); + return do_rt_sigreturn(cpu_env); } - break; case TARGET_NR_sethostname: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(sethostname(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; case TARGET_NR_setrlimit: { int resource = target_to_host_resource(arg1); @@ -9285,9 +9256,8 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); unlock_user_struct(target_rlim, arg2, 0); - ret = get_errno(setrlimit(resource, &rlim)); + return get_errno(setrlimit(resource, &rlim)); } - break; case TARGET_NR_getrlimit: { int resource = target_to_host_resource(arg1); @@ -9303,7 +9273,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_rlim, arg2, 1); } } - break; + return ret; case TARGET_NR_getrusage: { struct rusage rusage; @@ -9312,7 +9282,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = host_to_target_rusage(arg2, &rusage); } } - break; + return ret; case TARGET_NR_gettimeofday: { struct timeval tv; @@ -9322,7 +9292,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; case TARGET_NR_settimeofday: { struct timeval tv, *ptv = NULL; @@ -9342,9 +9312,8 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ptz = &tz; } - ret = get_errno(settimeofday(ptv, ptz)); + return get_errno(settimeofday(ptv, ptz)); } - break; #if defined(TARGET_NR_select) case TARGET_NR_select: #if defined(TARGET_WANT_NI_OLD_SELECT) @@ -9357,7 +9326,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #else ret = do_select(arg1, arg2, arg3, arg4, arg5); #endif - break; + return ret; #endif #ifdef TARGET_NR_pselect6 case TARGET_NR_pselect6: @@ -9466,7 +9435,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #ifdef TARGET_NR_symlink case TARGET_NR_symlink: @@ -9481,7 +9450,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_symlinkat) case TARGET_NR_symlinkat: @@ -9498,7 +9467,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg3, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #ifdef TARGET_NR_oldlstat case TARGET_NR_oldlstat: @@ -9537,7 +9506,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, ret); unlock_user(fn, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_readlinkat) case TARGET_NR_readlinkat: @@ -9563,7 +9532,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg3, ret); unlock_user(fn, arg2, 0); } - break; + return ret; #endif #ifdef TARGET_NR_uselib case TARGET_NR_uselib: @@ -9575,7 +9544,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(swapon(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_reboot: if (arg3 == LINUX_REBOOT_CMD_RESTART2) { @@ -9589,7 +9558,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } else { ret = get_errno(reboot(arg1, arg2, arg3, NULL)); } - break; + return ret; #ifdef TARGET_NR_readdir case TARGET_NR_readdir: goto unimplemented; @@ -9628,7 +9597,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg5, arg6)); #endif - break; + return ret; #endif #ifdef TARGET_NR_mmap2 case TARGET_NR_mmap2: @@ -9638,15 +9607,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (is_hostfd(arg5)) { goto ebadf; } - ret = get_errno(target_mmap(arg1, arg2, arg3, - target_to_host_bitmask(arg4, mmap_flags_tbl), - arg5, - arg6 << MMAP_SHIFT)); - break; + ret = target_mmap(arg1, arg2, arg3, + target_to_host_bitmask(arg4, mmap_flags_tbl), + arg5, arg6 << MMAP_SHIFT); + return get_errno(ret); #endif case TARGET_NR_munmap: - ret = get_errno(target_munmap(arg1, arg2)); - break; + return get_errno(target_munmap(arg1, arg2)); case TARGET_NR_mprotect: { TaskState *ts = cpu->opaque; @@ -9659,57 +9626,48 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg1 = ts->info->stack_limit; } } - ret = get_errno(target_mprotect(arg1, arg2, arg3)); - break; + return get_errno(target_mprotect(arg1, arg2, arg3)); #ifdef TARGET_NR_mremap case TARGET_NR_mremap: - ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); - break; + return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); #endif /* ??? msync/mlock/munlock are broken for softmmu. */ #ifdef TARGET_NR_msync case TARGET_NR_msync: - ret = get_errno(msync(g2h(arg1), arg2, arg3)); - break; + return get_errno(msync(g2h(arg1), arg2, arg3)); #endif #ifdef TARGET_NR_mlock case TARGET_NR_mlock: - ret = get_errno(mlock(g2h(arg1), arg2)); - break; + return get_errno(mlock(g2h(arg1), arg2)); #endif #ifdef TARGET_NR_munlock case TARGET_NR_munlock: - ret = get_errno(munlock(g2h(arg1), arg2)); - break; + return get_errno(munlock(g2h(arg1), arg2)); #endif #ifdef TARGET_NR_mlockall case TARGET_NR_mlockall: - ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1))); - break; + return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); #endif #ifdef TARGET_NR_munlockall case TARGET_NR_munlockall: - ret = get_errno(munlockall()); - break; + return get_errno(munlockall()); #endif case TARGET_NR_truncate: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(truncate(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; case TARGET_NR_ftruncate: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(ftruncate(arg1, arg2)); - break; + return get_errno(ftruncate(arg1, arg2)); case TARGET_NR_fchmod: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(fchmod(arg1, arg2)); - break; + return get_errno(fchmod(arg1, arg2)); #if defined(TARGET_NR_fchmodat) case TARGET_NR_fchmodat: if (is_hostfd(arg1)) { @@ -9719,7 +9677,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(fchmodat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); - break; + return ret; #endif case TARGET_NR_getpriority: /* Note that negative values are valid for getpriority, so we must @@ -9727,8 +9685,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, errno = 0; ret = getpriority(arg1, arg2); if (ret == -1 && errno != 0) { - ret = -host_to_target_errno(errno); - break; + return -host_to_target_errno(errno); } #ifdef TARGET_ALPHA /* Return value is the unbiased priority. Signal no error. */ @@ -9737,10 +9694,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, /* Return value is a biased priority to avoid negative numbers. */ ret = 20 - ret; #endif - break; + return ret; case TARGET_NR_setpriority: - ret = get_errno(setpriority(arg1, arg2, arg3)); - break; + return get_errno(setpriority(arg1, arg2, arg3)); #ifdef TARGET_NR_profil case TARGET_NR_profil: goto unimplemented; @@ -9777,7 +9733,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); unlock_user_struct(target_stfs, arg2, 1); } - break; + return ret; case TARGET_NR_fstatfs: if (is_hostfd(arg1)) { goto ebadf; @@ -9812,7 +9768,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); unlock_user_struct(target_stfs, arg3, 1); } - break; + return ret; case TARGET_NR_fstatfs64: if (is_hostfd(arg1)) { goto ebadf; @@ -9826,142 +9782,124 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_socketcall case TARGET_NR_socketcall: - ret = do_socketcall(arg1, arg2); - break; + return do_socketcall(arg1, arg2); #endif #ifdef TARGET_NR_accept case TARGET_NR_accept: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_accept4(arg1, arg2, arg3, 0); - break; + return do_accept4(arg1, arg2, arg3, 0); #endif #ifdef TARGET_NR_accept4 case TARGET_NR_accept4: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_accept4(arg1, arg2, arg3, arg4); - break; + return do_accept4(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_bind case TARGET_NR_bind: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_bind(arg1, arg2, arg3); - break; + return do_bind(arg1, arg2, arg3); #endif #ifdef TARGET_NR_connect case TARGET_NR_connect: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_connect(arg1, arg2, arg3); - break; + return do_connect(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getpeername case TARGET_NR_getpeername: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_getpeername(arg1, arg2, arg3); - break; + return do_getpeername(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getsockname case TARGET_NR_getsockname: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_getsockname(arg1, arg2, arg3); - break; + return do_getsockname(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getsockopt case TARGET_NR_getsockopt: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); - break; + return do_getsockopt(arg1, arg2, arg3, arg4, arg5); #endif #ifdef TARGET_NR_listen case TARGET_NR_listen: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(listen(arg1, arg2)); - break; + return get_errno(listen(arg1, arg2)); #endif #ifdef TARGET_NR_recv case TARGET_NR_recv: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); - break; + return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); #endif #ifdef TARGET_NR_recvfrom case TARGET_NR_recvfrom: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); #endif #ifdef TARGET_NR_recvmsg case TARGET_NR_recvmsg: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_sendrecvmsg(arg1, arg2, arg3, 0); - break; + return do_sendrecvmsg(arg1, arg2, arg3, 0); #endif #ifdef TARGET_NR_send case TARGET_NR_send: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); - break; + return do_sendto(arg1, arg2, arg3, arg4, 0, 0); #endif #ifdef TARGET_NR_sendmsg case TARGET_NR_sendmsg: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_sendrecvmsg(arg1, arg2, arg3, 1); - break; + return do_sendrecvmsg(arg1, arg2, arg3, 1); #endif #ifdef TARGET_NR_sendmmsg case TARGET_NR_sendmmsg: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); - break; + return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); case TARGET_NR_recvmmsg: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); - break; + return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); #endif #ifdef TARGET_NR_sendto case TARGET_NR_sendto: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); #endif #ifdef TARGET_NR_shutdown case TARGET_NR_shutdown: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(shutdown(arg1, arg2)); - break; + return get_errno(shutdown(arg1, arg2)); #endif #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) case TARGET_NR_getrandom: @@ -9971,25 +9909,22 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } ret = get_errno(getrandom(p, arg2, arg3)); unlock_user(p, arg1, ret); - break; + return ret; #endif #ifdef TARGET_NR_socket case TARGET_NR_socket: - ret = do_socket(arg1, arg2, arg3); - break; + return do_socket(arg1, arg2, arg3); #endif #ifdef TARGET_NR_socketpair case TARGET_NR_socketpair: - ret = do_socketpair(arg1, arg2, arg3, arg4); - break; + return do_socketpair(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_setsockopt case TARGET_NR_setsockopt: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); - break; + return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); #endif #if defined(TARGET_NR_syslog) case TARGET_NR_syslog: @@ -10005,10 +9940,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ - { - ret = get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); - } - break; + return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); case TARGET_SYSLOG_ACTION_READ: /* Read from log */ case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ @@ -10019,7 +9951,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } ret = 0; if (len == 0) { - break; + return ret; } p = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!p) { @@ -10029,10 +9961,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); unlock_user(p, arg2, arg3); } - break; + return ret; default: - ret = -EINVAL; - break; + return -TARGET_EINVAL; } } break; @@ -10059,7 +9990,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; case TARGET_NR_getitimer: { struct itimerval value; @@ -10073,7 +10004,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #ifdef TARGET_NR_stat case TARGET_NR_stat: if (!(fn = lock_user_string(arg1))) { @@ -10128,7 +10059,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_st, arg2, 1); } } - break; + return ret; #ifdef TARGET_NR_olduname case TARGET_NR_olduname: goto unimplemented; @@ -10138,17 +10069,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto unimplemented; #endif case TARGET_NR_vhangup: - ret = get_errno(vhangup()); - break; + return get_errno(vhangup()); #ifdef TARGET_NR_idle case TARGET_NR_idle: goto unimplemented; #endif #ifdef TARGET_NR_syscall case TARGET_NR_syscall: - ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, - arg6, arg7, arg8, 0); - break; + return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, + arg6, arg7, arg8, 0); #endif case TARGET_NR_wait4: { @@ -10176,14 +10105,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; #ifdef TARGET_NR_swapoff case TARGET_NR_swapoff: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(swapoff(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_sysinfo: { @@ -10211,73 +10140,60 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_value, arg1, 1); } } - break; + return ret; #ifdef TARGET_NR_ipc case TARGET_NR_ipc: - ret = do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); #endif #ifdef TARGET_NR_semget case TARGET_NR_semget: - ret = get_errno(semget(arg1, arg2, arg3)); - break; + return get_errno(semget(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_semop case TARGET_NR_semop: - ret = do_semop(arg1, arg2, arg3); - break; + return do_semop(arg1, arg2, arg3); #endif #ifdef TARGET_NR_semctl case TARGET_NR_semctl: - ret = do_semctl(arg1, arg2, arg3, arg4); - break; + return do_semctl(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_msgctl case TARGET_NR_msgctl: - ret = do_msgctl(arg1, arg2, arg3); - break; + return do_msgctl(arg1, arg2, arg3); #endif #ifdef TARGET_NR_msgget case TARGET_NR_msgget: - ret = get_errno(msgget(arg1, arg2)); - break; + return get_errno(msgget(arg1, arg2)); #endif #ifdef TARGET_NR_msgrcv case TARGET_NR_msgrcv: - ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); - break; + return do_msgrcv(arg1, arg2, arg3, arg4, arg5); #endif #ifdef TARGET_NR_msgsnd case TARGET_NR_msgsnd: - ret = do_msgsnd(arg1, arg2, arg3, arg4); - break; + return do_msgsnd(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_shmget case TARGET_NR_shmget: - ret = get_errno(shmget(arg1, arg2, arg3)); - break; + return get_errno(shmget(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_shmctl case TARGET_NR_shmctl: - ret = do_shmctl(arg1, arg2, arg3); - break; + return do_shmctl(arg1, arg2, arg3); #endif #ifdef TARGET_NR_shmat case TARGET_NR_shmat: - ret = do_shmat(cpu_env, arg1, arg2, arg3); - break; + return do_shmat(cpu_env, arg1, arg2, arg3); #endif #ifdef TARGET_NR_shmdt case TARGET_NR_shmdt: - ret = do_shmdt(arg1); - break; + return do_shmdt(arg1); #endif case TARGET_NR_fsync: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(fsync(arg1)); - break; + return get_errno(fsync(arg1)); case TARGET_NR_clone: /* Linux manages to have three different orderings for its * arguments to clone(); the BACKWARDS and BACKWARDS2 defines @@ -10294,7 +10210,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); #endif - break; + return ret; #ifdef __NR_exit_group /* new thread calls */ case TARGET_NR_exit_group: @@ -10302,15 +10218,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, _mcleanup(); #endif gdb_exit(cpu_env, arg1); - ret = get_errno(exit_group(arg1)); - break; + return get_errno(exit_group(arg1)); #endif case TARGET_NR_setdomainname: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(setdomainname(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; case TARGET_NR_uname: /* no need to transcode because we use the linux syscall */ { @@ -10331,17 +10246,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user_struct(buf, arg1, 1); } - break; + return ret; #ifdef TARGET_I386 case TARGET_NR_modify_ldt: - ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); - break; + return do_modify_ldt(cpu_env, arg1, arg2, arg3); #if !defined(TARGET_X86_64) case TARGET_NR_vm86old: goto unimplemented; case TARGET_NR_vm86: - ret = do_vm86(cpu_env, arg1, arg2); - break; + return do_vm86(cpu_env, arg1, arg2); #endif #endif case TARGET_NR_adjtimex: @@ -10358,7 +10271,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) case TARGET_NR_clock_adjtime: { @@ -10374,7 +10287,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; #endif #ifdef TARGET_NR_create_module case TARGET_NR_create_module: @@ -10388,14 +10301,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, case TARGET_NR_quotactl: goto unimplemented; case TARGET_NR_getpgid: - ret = get_errno(getpgid(arg1)); - break; + return get_errno(getpgid(arg1)); case TARGET_NR_fchdir: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(fchdir(arg1)); - break; + return get_errno(fchdir(arg1)); #ifdef TARGET_NR_bdflush /* not on x86_64 */ case TARGET_NR_bdflush: goto unimplemented; @@ -10405,8 +10316,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto unimplemented; #endif case TARGET_NR_personality: - ret = get_errno(personality(arg1)); - break; + return get_errno(personality(arg1)); #ifdef TARGET_NR_afs_syscall case TARGET_NR_afs_syscall: goto unimplemented; @@ -10431,7 +10341,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #ifdef TARGET_NR_getdents case TARGET_NR_getdents: @@ -10566,7 +10476,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(dirp, arg2, ret); } #endif - break; + return ret; #endif /* TARGET_NR_getdents */ #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) case TARGET_NR_getdents64: @@ -10596,12 +10506,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user(dirp, arg2, ret); } - break; + return ret; #endif /* TARGET_NR_getdents64 */ #if defined(TARGET_NR__newselect) case TARGET_NR__newselect: - ret = do_select(arg1, arg2, arg3, arg4, arg5); - break; + return do_select(arg1, arg2, arg3, arg4, arg5); #endif #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) # ifdef TARGET_NR_poll @@ -10620,8 +10529,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_pfd = NULL; if (nfds) { if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_pfd = lock_user(VERIFY_WRITE, arg1, @@ -10666,8 +10574,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg4) { if (arg5 != sizeof(target_sigset_t)) { unlock_user(target_pfd, arg1, 0); - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); @@ -10689,7 +10596,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg4) { unlock_user(target_set, arg4, 0); } - break; + return ret; } # endif # ifdef TARGET_NR_poll @@ -10706,8 +10613,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, /* -ve poll() timeout means "infinite" */ pts = NULL; } - ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); - break; + return get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); } # endif default: @@ -10721,7 +10627,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); } - break; + return ret; #endif case TARGET_NR_flock: /* NOTE: the flock constant seems to be the same for every @@ -10729,8 +10635,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(safe_flock(arg1, arg2)); - break; + return get_errno(safe_flock(arg1, arg2)); case TARGET_NR_readv: if (is_hostfd(arg1)) { goto ebadf; @@ -10743,7 +10648,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; case TARGET_NR_writev: if (is_hostfd(arg1)) { goto ebadf; @@ -10756,7 +10661,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #if defined(TARGET_NR_preadv) case TARGET_NR_preadv: if (is_hostfd(arg1)) { @@ -10773,7 +10678,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #endif #if defined(TARGET_NR_pwritev) case TARGET_NR_pwritev: @@ -10791,25 +10696,22 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #endif case TARGET_NR_getsid: - ret = get_errno(getsid(arg1)); - break; + return get_errno(getsid(arg1)); #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ case TARGET_NR_fdatasync: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(fdatasync(arg1)); - break; + return get_errno(fdatasync(arg1)); #endif #ifdef TARGET_NR__sysctl case TARGET_NR__sysctl: /* We don't implement this, but ENOTDIR is always a safe return value. */ - ret = -TARGET_ENOTDIR; - break; + return -TARGET_ENOTDIR; #endif case TARGET_NR_sched_getaffinity: { @@ -10821,8 +10723,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, * care of mismatches between target ulong and host ulong sizes. */ if (arg2 & (sizeof(abi_ulong) - 1)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); @@ -10841,8 +10742,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, */ int numcpus = sysconf(_SC_NPROCESSORS_CONF); if (numcpus > arg2 * 8) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } ret = arg2; } @@ -10852,7 +10752,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; case TARGET_NR_sched_setaffinity: { unsigned int mask_size; @@ -10863,20 +10763,18 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, * care of mismatches between target ulong and host ulong sizes. */ if (arg2 & (sizeof(abi_ulong) - 1)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); mask = alloca(mask_size); ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); if (ret) { - break; + return ret; } - ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); + return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); } - break; case TARGET_NR_getcpu: { unsigned cpu, node; @@ -10893,7 +10791,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; case TARGET_NR_sched_setparam: { struct sched_param *target_schp; @@ -10906,9 +10804,8 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; schp.sched_priority = tswap32(target_schp->sched_priority); unlock_user_struct(target_schp, arg2, 0); - ret = get_errno(sched_setparam(arg1, &schp)); + return get_errno(sched_setparam(arg1, &schp)); } - break; case TARGET_NR_sched_getparam: { struct sched_param *target_schp; @@ -10925,7 +10822,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_schp, arg2, 1); } } - break; + return ret; case TARGET_NR_sched_setscheduler: { struct sched_param *target_schp; @@ -10937,21 +10834,16 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; schp.sched_priority = tswap32(target_schp->sched_priority); unlock_user_struct(target_schp, arg3, 0); - ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); + return get_errno(sched_setscheduler(arg1, arg2, &schp)); } - break; case TARGET_NR_sched_getscheduler: - ret = get_errno(sched_getscheduler(arg1)); - break; + return get_errno(sched_getscheduler(arg1)); case TARGET_NR_sched_yield: - ret = get_errno(sched_yield()); - break; + return get_errno(sched_yield()); case TARGET_NR_sched_get_priority_max: - ret = get_errno(sched_get_priority_max(arg1)); - break; + return get_errno(sched_get_priority_max(arg1)); case TARGET_NR_sched_get_priority_min: - ret = get_errno(sched_get_priority_min(arg1)); - break; + return get_errno(sched_get_priority_min(arg1)); case TARGET_NR_sched_rr_get_interval: { struct timespec ts; @@ -10960,7 +10852,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = host_to_target_timespec(arg2, &ts); } } - break; + return ret; case TARGET_NR_nanosleep: { struct timespec req, rem; @@ -10970,7 +10862,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, host_to_target_timespec(arg2, &rem); } } - break; + return ret; #ifdef TARGET_NR_query_module case TARGET_NR_query_module: goto unimplemented; @@ -10989,7 +10881,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, && put_user_ual(deathsig, arg2)) { goto efault; } - break; + return ret; } #ifdef PR_GET_NAME case PR_GET_NAME: @@ -11001,7 +10893,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(prctl(arg1, (unsigned long)name, arg3, arg4, arg5)); unlock_user(name, arg2, 16); - break; + return ret; } case PR_SET_NAME: { @@ -11012,7 +10904,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(prctl(arg1, (unsigned long)name, arg3, arg4, arg5)); unlock_user(name, arg2, 0); - break; + return ret; } #endif #ifdef TARGET_AARCH64 @@ -11033,32 +10925,29 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, env->vfp.zcr_el[1] = vq - 1; ret = vq * 16; } - break; + return ret; case TARGET_PR_SVE_GET_VL: ret = -TARGET_EINVAL; if (arm_feature(cpu_env, ARM_FEATURE_SVE)) { CPUARMState *env = cpu_env; ret = ((env->vfp.zcr_el[1] & 0xf) + 1) * 16; } - break; + return ret; #endif /* AARCH64 */ case PR_GET_SECCOMP: case PR_SET_SECCOMP: /* Disable seccomp to prevent the target disabling syscalls we * need. */ - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; default: /* Most prctl options have no pointer arguments */ - ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); - break; + return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); } break; #ifdef TARGET_NR_arch_prctl case TARGET_NR_arch_prctl: #if defined(TARGET_I386) && !defined(TARGET_ABI32) - ret = do_arch_prctl(cpu_env, arg1, arg2); - break; + return do_arch_prctl(cpu_env, arg1, arg2); #else goto unimplemented; #endif @@ -11076,7 +10965,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, ret); - break; + return ret; case TARGET_NR_pwrite64: if (is_hostfd(arg1)) { goto ebadf; @@ -11089,14 +10978,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, 0); - break; + return ret; #endif case TARGET_NR_getcwd: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) goto efault; ret = get_errno(sys_getcwd1(p, arg2)); unlock_user(p, arg1, ret); - break; + return ret; case TARGET_NR_capget: case TARGET_NR_capset: { @@ -11165,11 +11054,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(target_data, arg2, 0); } } - break; + return ret; } case TARGET_NR_sigaltstack: - ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); - break; + return do_sigaltstack(arg1, arg2, + get_sp_from_cpustate((CPUArchState *)cpu_env)); #ifdef CONFIG_SENDFILE case TARGET_NR_sendfile: @@ -11183,7 +11072,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { ret = get_user_sal(off, arg3); if (is_error(ret)) { - break; + return ret; } offp = &off; } @@ -11194,7 +11083,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = ret2; } } - break; + return ret; } #ifdef TARGET_NR_sendfile64 case TARGET_NR_sendfile64: @@ -11208,7 +11097,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { ret = get_user_s64(off, arg3); if (is_error(ret)) { - break; + return ret; } offp = &off; } @@ -11219,7 +11108,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = ret2; } } - break; + return ret; } #endif #else @@ -11240,10 +11129,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_vfork case TARGET_NR_vfork: - ret = get_errno(do_fork(cpu_env, - CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, - 0, 0, 0, 0)); - break; + return get_errno(do_fork(cpu_env, + CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, + 0, 0, 0, 0)); #endif #ifdef TARGET_NR_ugetrlimit case TARGET_NR_ugetrlimit: @@ -11259,7 +11147,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); unlock_user_struct(target_rlim, arg2, 1); } - break; + return ret; } #endif #ifdef TARGET_NR_truncate64 @@ -11268,15 +11156,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_ftruncate64 case TARGET_NR_ftruncate64: if (is_hostfd(arg1)) { goto ebadf; } - ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); - break; + return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_stat64 case TARGET_NR_stat64: @@ -11290,7 +11177,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(fn, arg1, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg2, &st); - break; + return ret; #endif #ifdef TARGET_NR_lstat64 case TARGET_NR_lstat64: @@ -11304,7 +11191,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(fn, arg1, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg2, &st); - break; + return ret; #endif #ifdef TARGET_NR_fstat64 case TARGET_NR_fstat64: @@ -11314,7 +11201,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(fstat(arg1, &st)); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg2, &st); - break; + return ret; #endif #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) #ifdef TARGET_NR_fstatat64 @@ -11336,7 +11223,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(fn, arg2, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg3, &st); - break; + return ret; #endif #ifdef TARGET_NR_lchown case TARGET_NR_lchown: @@ -11344,34 +11231,28 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_getuid case TARGET_NR_getuid: - ret = get_errno(high2lowuid(getuid())); - break; + return get_errno(high2lowuid(getuid())); #endif #ifdef TARGET_NR_getgid case TARGET_NR_getgid: - ret = get_errno(high2lowgid(getgid())); - break; + return get_errno(high2lowgid(getgid())); #endif #ifdef TARGET_NR_geteuid case TARGET_NR_geteuid: - ret = get_errno(high2lowuid(geteuid())); - break; + return get_errno(high2lowuid(geteuid())); #endif #ifdef TARGET_NR_getegid case TARGET_NR_getegid: - ret = get_errno(high2lowgid(getegid())); - break; + return get_errno(high2lowgid(getegid())); #endif case TARGET_NR_setreuid: - ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); - break; + return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); case TARGET_NR_setregid: - ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); - break; + return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); case TARGET_NR_getgroups: { int gidsetsize = arg1; @@ -11382,7 +11263,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, grouplist = alloca(gidsetsize * sizeof(gid_t)); ret = get_errno(getgroups(gidsetsize, grouplist)); if (gidsetsize == 0) - break; + return ret; if (!is_error(ret)) { target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); if (!target_grouplist) @@ -11392,7 +11273,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); } } - break; + return ret; case TARGET_NR_setgroups: { int gidsetsize = arg1; @@ -11411,12 +11292,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user(target_grouplist, arg2, 0); } - ret = get_errno(setgroups(gidsetsize, grouplist)); + return get_errno(setgroups(gidsetsize, grouplist)); } - break; case TARGET_NR_fchown: - ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); - break; + return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); #if defined(TARGET_NR_fchownat) case TARGET_NR_fchownat: if (is_hostfd(arg1)) { @@ -11427,14 +11306,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_setresuid case TARGET_NR_setresuid: - ret = get_errno(sys_setresuid(low2highuid(arg1), - low2highuid(arg2), - low2highuid(arg3))); - break; + return get_errno(sys_setresuid(low2highuid(arg1), + low2highuid(arg2), + low2highuid(arg3))); #endif #ifdef TARGET_NR_getresuid case TARGET_NR_getresuid: @@ -11448,14 +11326,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #ifdef TARGET_NR_getresgid case TARGET_NR_setresgid: - ret = get_errno(sys_setresgid(low2highgid(arg1), - low2highgid(arg2), - low2highgid(arg3))); - break; + return get_errno(sys_setresgid(low2highgid(arg1), + low2highgid(arg2), + low2highgid(arg3))); #endif #ifdef TARGET_NR_getresgid case TARGET_NR_getresgid: @@ -11469,7 +11346,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #ifdef TARGET_NR_chown case TARGET_NR_chown: @@ -11477,20 +11354,16 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_setuid: - ret = get_errno(sys_setuid(low2highuid(arg1))); - break; + return get_errno(sys_setuid(low2highuid(arg1))); case TARGET_NR_setgid: - ret = get_errno(sys_setgid(low2highgid(arg1))); - break; + return get_errno(sys_setgid(low2highgid(arg1))); case TARGET_NR_setfsuid: - ret = get_errno(setfsuid(arg1)); - break; + return get_errno(setfsuid(arg1)); case TARGET_NR_setfsgid: - ret = get_errno(setfsgid(arg1)); - break; + return get_errno(setfsgid(arg1)); #ifdef TARGET_NR_lchown32 case TARGET_NR_lchown32: @@ -11498,12 +11371,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(lchown(p, arg2, arg3)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_getuid32 case TARGET_NR_getuid32: - ret = get_errno(getuid()); - break; + return get_errno(getuid()); #endif #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) @@ -11514,8 +11386,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, euid=geteuid(); ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; } - ret = get_errno(getuid()); - break; + return get_errno(getuid()); #endif #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) /* Alpha specific */ @@ -11525,8 +11396,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, egid=getegid(); ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; } - ret = get_errno(getgid()); - break; + return get_errno(getgid()); #endif #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) /* Alpha specific */ @@ -11564,7 +11434,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, -- Grabs a copy of the HWRPB; surely not used. */ } - break; + return ret; #endif #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) /* Alpha specific */ @@ -11655,7 +11525,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, -- Not implemented in linux kernel */ } - break; + return ret; #endif #ifdef TARGET_NR_osf_sigprocmask /* Alpha specific. */ @@ -11687,33 +11557,28 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = mask; } } - break; + return ret; #endif #ifdef TARGET_NR_getgid32 case TARGET_NR_getgid32: - ret = get_errno(getgid()); - break; + return get_errno(getgid()); #endif #ifdef TARGET_NR_geteuid32 case TARGET_NR_geteuid32: - ret = get_errno(geteuid()); - break; + return get_errno(geteuid()); #endif #ifdef TARGET_NR_getegid32 case TARGET_NR_getegid32: - ret = get_errno(getegid()); - break; + return get_errno(getegid()); #endif #ifdef TARGET_NR_setreuid32 case TARGET_NR_setreuid32: - ret = get_errno(setreuid(arg1, arg2)); - break; + return get_errno(setreuid(arg1, arg2)); #endif #ifdef TARGET_NR_setregid32 case TARGET_NR_setregid32: - ret = get_errno(setregid(arg1, arg2)); - break; + return get_errno(setregid(arg1, arg2)); #endif #ifdef TARGET_NR_getgroups32 case TARGET_NR_getgroups32: @@ -11726,7 +11591,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, grouplist = alloca(gidsetsize * sizeof(gid_t)); ret = get_errno(getgroups(gidsetsize, grouplist)); if (gidsetsize == 0) - break; + return ret; if (!is_error(ret)) { target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); if (!target_grouplist) { @@ -11738,7 +11603,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(target_grouplist, arg2, gidsetsize * 4); } } - break; + return ret; #endif #ifdef TARGET_NR_setgroups32 case TARGET_NR_setgroups32: @@ -11757,22 +11622,19 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, for(i = 0;i < gidsetsize; i++) grouplist[i] = tswap32(target_grouplist[i]); unlock_user(target_grouplist, arg2, 0); - ret = get_errno(setgroups(gidsetsize, grouplist)); + return get_errno(setgroups(gidsetsize, grouplist)); } - break; #endif #ifdef TARGET_NR_fchown32 case TARGET_NR_fchown32: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(fchown(arg1, arg2, arg3)); - break; + return get_errno(fchown(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_setresuid32 case TARGET_NR_setresuid32: - ret = get_errno(sys_setresuid(arg1, arg2, arg3)); - break; + return get_errno(sys_setresuid(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_getresuid32 case TARGET_NR_getresuid32: @@ -11786,12 +11648,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #ifdef TARGET_NR_setresgid32 case TARGET_NR_setresgid32: - ret = get_errno(sys_setresgid(arg1, arg2, arg3)); - break; + return get_errno(sys_setresgid(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_getresgid32 case TARGET_NR_getresgid32: @@ -11805,7 +11666,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #ifdef TARGET_NR_chown32 case TARGET_NR_chown32: @@ -11813,27 +11674,23 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(chown(p, arg2, arg3)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_setuid32 case TARGET_NR_setuid32: - ret = get_errno(sys_setuid(arg1)); - break; + return get_errno(sys_setuid(arg1)); #endif #ifdef TARGET_NR_setgid32 case TARGET_NR_setgid32: - ret = get_errno(sys_setgid(arg1)); - break; + return get_errno(sys_setgid(arg1)); #endif #ifdef TARGET_NR_setfsuid32 case TARGET_NR_setfsuid32: - ret = get_errno(setfsuid(arg1)); - break; + return get_errno(setfsuid(arg1)); #endif #ifdef TARGET_NR_setfsgid32 case TARGET_NR_setfsgid32: - ret = get_errno(setfsgid(arg1)); - break; + return get_errno(setfsgid(arg1)); #endif case TARGET_NR_pivot_root: @@ -11857,7 +11714,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, mincore_fail: unlock_user(a, arg1, 0); } - break; + return ret; #endif #ifdef TARGET_NR_arm_fadvise64_64 case TARGET_NR_arm_fadvise64_64: @@ -11872,8 +11729,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } ret = posix_fadvise(arg1, target_offset64(arg3, arg4), target_offset64(arg5, arg6), arg2); - ret = -host_to_target_errno(ret); - break; + return -host_to_target_errno(ret); #endif #if TARGET_ABI_BITS == 32 @@ -11902,11 +11758,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg6 = arg7; } #endif - ret = -host_to_target_errno(posix_fadvise(arg1, - target_offset64(arg2, arg3), - target_offset64(arg4, arg5), - arg6)); - break; + ret = posix_fadvise(arg1, target_offset64(arg2, arg3), + target_offset64(arg4, arg5), arg6); + return -host_to_target_errno(ret); #endif #ifdef TARGET_NR_fadvise64 @@ -11922,10 +11776,8 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg4 = arg5; arg5 = arg6; } - ret = -host_to_target_errno(posix_fadvise(arg1, - target_offset64(arg2, arg3), - arg4, arg5)); - break; + ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); + return -host_to_target_errno(ret); #endif #else /* not a 32-bit ABI */ @@ -11948,8 +11800,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, default: break; } #endif - ret = -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); - break; + return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); #endif #endif /* end of 64-bit ABI fadvise handling */ @@ -11959,8 +11810,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, turns private file-backed mappings into anonymous mappings. This will break MADV_DONTNEED. This is a hint, so ignoring and returning success is ok. */ - ret = get_errno(0); - break; + return 0; #endif #if TARGET_ABI_BITS == 32 case TARGET_NR_fcntl64: @@ -11982,8 +11832,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, cmd = target_to_host_fcntl_cmd(arg2); if (cmd == -TARGET_EINVAL) { - ret = cmd; - break; + return cmd; } switch(arg2) { @@ -12010,14 +11859,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = do_fcntl(arg1, arg2, arg3); break; } - break; + return ret; } #endif #ifdef TARGET_NR_cacheflush case TARGET_NR_cacheflush: /* self-modifying code is handled automatically, so nothing needed */ - ret = 0; - break; + return 0; #endif #ifdef TARGET_NR_security case TARGET_NR_security: @@ -12025,12 +11873,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_getpagesize case TARGET_NR_getpagesize: - ret = TARGET_PAGE_SIZE; - break; + return TARGET_PAGE_SIZE; #endif case TARGET_NR_gettid: - ret = get_errno(gettid()); - break; + return get_errno(gettid()); #ifdef TARGET_NR_readahead case TARGET_NR_readahead: #if TARGET_ABI_BITS == 32 @@ -12043,7 +11889,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(readahead(arg1, arg2, arg3)); #endif - break; + return ret; #endif #ifdef CONFIG_ATTR #ifdef TARGET_NR_setxattr @@ -12054,8 +11900,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg2) { b = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!b) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } p = lock_user_string(arg1); @@ -12070,7 +11915,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user(p, arg1, 0); unlock_user(b, arg2, arg3); - break; + return ret; } case TARGET_NR_flistxattr: { @@ -12078,13 +11923,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg2) { b = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!b) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } ret = get_errno(flistxattr(arg1, b, arg3)); unlock_user(b, arg2, arg3); - break; + return ret; } case TARGET_NR_setxattr: case TARGET_NR_lsetxattr: @@ -12093,8 +11937,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { v = lock_user(VERIFY_READ, arg3, arg4, 1); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } p = lock_user_string(arg1); @@ -12112,7 +11955,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, 0); } - break; + return ret; case TARGET_NR_fsetxattr: if (is_hostfd(arg1)) { goto ebadf; @@ -12121,8 +11964,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { v = lock_user(VERIFY_READ, arg3, arg4, 1); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } n = lock_user_string(arg2); @@ -12134,7 +11976,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, 0); } - break; + return ret; case TARGET_NR_getxattr: case TARGET_NR_lgetxattr: { @@ -12142,8 +11984,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { v = lock_user(VERIFY_WRITE, arg3, arg4, 0); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } p = lock_user_string(arg1); @@ -12161,7 +12002,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, arg4); } - break; + return ret; case TARGET_NR_fgetxattr: if (is_hostfd(arg1)) { goto ebadf; @@ -12170,8 +12011,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { v = lock_user(VERIFY_WRITE, arg3, arg4, 0); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } n = lock_user_string(arg2); @@ -12183,7 +12023,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, arg4); } - break; + return ret; case TARGET_NR_removexattr: case TARGET_NR_lremovexattr: { @@ -12202,7 +12042,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); unlock_user(n, arg2, 0); } - break; + return ret; case TARGET_NR_fremovexattr: if (is_hostfd(arg1)) { goto ebadf; @@ -12216,15 +12056,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user(n, arg2, 0); } - break; + return ret; #endif #endif /* CONFIG_ATTR */ #ifdef TARGET_NR_set_thread_area case TARGET_NR_set_thread_area: #if defined(TARGET_MIPS) ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; - ret = 0; - break; + return 0; #elif defined(TARGET_CRIS) if (arg1 & 0xff) ret = -TARGET_EINVAL; @@ -12232,16 +12071,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; ret = 0; } - break; + return ret; #elif defined(TARGET_I386) && defined(TARGET_ABI32) - ret = do_set_thread_area(cpu_env, arg1); - break; + return do_set_thread_area(cpu_env, arg1); #elif defined(TARGET_M68K) { TaskState *ts = cpu->opaque; ts->tp_value = arg1; - ret = 0; - break; + return 0; } #else goto unimplemented_nowarn; @@ -12250,13 +12087,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_get_thread_area case TARGET_NR_get_thread_area: #if defined(TARGET_I386) && defined(TARGET_ABI32) - ret = do_get_thread_area(cpu_env, arg1); - break; + return do_get_thread_area(cpu_env, arg1); #elif defined(TARGET_M68K) { TaskState *ts = cpu->opaque; - ret = ts->tp_value; - break; + return ts->tp_value; } #else goto unimplemented_nowarn; @@ -12276,7 +12111,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { ret = get_errno(clock_settime(arg1, &ts)); } - break; + return ret; } #endif #ifdef TARGET_NR_clock_gettime @@ -12287,7 +12122,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { ret = host_to_target_timespec(arg2, &ts); } - break; + return ret; } #endif #ifdef TARGET_NR_clock_getres @@ -12298,7 +12133,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { host_to_target_timespec(arg2, &ts); } - break; + return ret; } #endif #ifdef TARGET_NR_clock_nanosleep @@ -12318,24 +12153,21 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ((CPUPPCState *)cpu_env)->crf[0] |= 1; } #endif - break; + return ret; } #endif #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) case TARGET_NR_set_tid_address: - ret = get_errno(set_tid_address((int *)g2h(arg1))); - break; + return get_errno(set_tid_address((int *)g2h(arg1))); #endif case TARGET_NR_tkill: - ret = get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); - break; + return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); case TARGET_NR_tgkill: - ret = get_errno(safe_tgkill((int)arg1, (int)arg2, - target_to_host_signal(arg3))); - break; + return get_errno(safe_tgkill((int)arg1, (int)arg2, + target_to_host_signal(arg3))); #ifdef TARGET_NR_set_robust_list case TARGET_NR_set_robust_list: @@ -12381,18 +12213,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(fn, arg2, 0); } } - break; + return ret; #endif case TARGET_NR_futex: - ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) case TARGET_NR_inotify_init: ret = get_errno(sys_inotify_init()); if (ret >= 0) { fd_trans_register(ret, &target_inotify_trans); } - break; + return ret; #endif #ifdef CONFIG_INOTIFY1 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) @@ -12402,7 +12233,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_register(ret, &target_inotify_trans); } - break; + return ret; #endif #endif #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) @@ -12416,15 +12247,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, TRY_INTERP_PATH(ret, fn, sys_inotify_add_watch(arg1, fn, arg3)); ret = get_errno(ret); unlock_user(fn, arg2, 0); - break; + return ret; #endif #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) case TARGET_NR_inotify_rm_watch: if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); - break; + return get_errno(sys_inotify_rm_watch(arg1, arg2)); #endif #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) @@ -12449,17 +12279,16 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); unlock_user (p, arg1, 0); } - break; + return ret; case TARGET_NR_mq_unlink: p = lock_user_string(arg1 - 1); if (!p) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } ret = get_errno(mq_unlink(p)); unlock_user (p, arg1, 0); - break; + return ret; case TARGET_NR_mq_timedsend: { @@ -12475,7 +12304,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } unlock_user (p, arg2, arg3); } - break; + return ret; case TARGET_NR_mq_timedreceive: { @@ -12496,7 +12325,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg4 != 0) put_user_u32(prio, arg4); } - break; + return ret; /* Not implemented for now... */ /* case TARGET_NR_mq_notify: */ @@ -12517,7 +12346,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, copy_to_user_mq_attr(arg3, &posix_mq_attr_out); } } - break; + return ret; #endif #ifdef CONFIG_SPLICE @@ -12528,7 +12357,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } else { ret = get_errno(tee(arg1,arg2,arg3,arg4)); } - break; + return ret; #endif #ifdef TARGET_NR_splice case TARGET_NR_splice: @@ -12561,7 +12390,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; #endif #ifdef TARGET_NR_vmsplice case TARGET_NR_vmsplice: @@ -12576,7 +12405,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #endif #endif /* CONFIG_SPLICE */ #ifdef CONFIG_EVENTFD @@ -12586,7 +12415,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_register(ret, &target_eventfd_trans); } - break; + return ret; #endif #if defined(TARGET_NR_eventfd2) case TARGET_NR_eventfd2: @@ -12602,7 +12431,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_register(ret, &target_eventfd_trans); } - break; + return ret; } #endif #endif /* CONFIG_EVENTFD */ @@ -12617,7 +12446,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); #endif - break; + return ret; #endif #if defined(CONFIG_SYNC_FILE_RANGE) #if defined(TARGET_NR_sync_file_range) @@ -12636,7 +12465,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); #endif - break; + return ret; #endif #if defined(TARGET_NR_sync_file_range2) case TARGET_NR_sync_file_range2: @@ -12650,7 +12479,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); #endif - break; + return ret; #endif #endif #if defined(TARGET_NR_signalfd4) @@ -12658,27 +12487,23 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (is_hostfd(arg1)) { goto ebadf; } - ret = do_signalfd4(arg1, arg2, arg4); - break; + return do_signalfd4(arg1, arg2, arg4); #endif #if defined(TARGET_NR_signalfd) case TARGET_NR_signalfd: if (is_hostfd(arg1)) { goto ebadf; } - ret = do_signalfd4(arg1, arg2, 0); - break; + return do_signalfd4(arg1, arg2, 0); #endif #if defined(CONFIG_EPOLL) #if defined(TARGET_NR_epoll_create) case TARGET_NR_epoll_create: - ret = get_errno(epoll_create(arg1)); - break; + return get_errno(epoll_create(arg1)); #endif #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) case TARGET_NR_epoll_create1: - ret = get_errno(epoll_create1(arg1)); - break; + return get_errno(epoll_create1(arg1)); #endif #if defined(TARGET_NR_epoll_ctl) case TARGET_NR_epoll_ctl: @@ -12703,8 +12528,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_ep, arg4, 0); epp = &ep; } - ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); - break; + return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); } #endif @@ -12726,8 +12550,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto ebadf; } if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_ep = lock_user(VERIFY_WRITE, arg2, @@ -12739,8 +12562,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ep = g_try_new(struct epoll_event, maxevents); if (!ep) { unlock_user(target_ep, arg2, 0); - ret = -TARGET_ENOMEM; - break; + return -TARGET_ENOMEM; } switch (num) { @@ -12770,7 +12592,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, set, SIGSET_T_SIZE)); - break; } #endif #if defined(TARGET_NR_epoll_wait) @@ -12794,7 +12615,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(target_ep, arg2, 0); } g_free(ep); - break; + return ret; } #endif #endif @@ -12824,7 +12645,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_rold->rlim_max = tswap64(rold.rlim_max); unlock_user_struct(target_rold, arg4, 1); } - break; + return ret; } #endif #ifdef TARGET_NR_gethostname @@ -12837,7 +12658,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } else { ret = -TARGET_EFAULT; } - break; + return ret; } #endif #ifdef TARGET_NR_atomic_cmpxchg_32 @@ -12858,17 +12679,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } if (mem_value == arg2) put_user_u32(arg1, arg6); - ret = mem_value; - break; + return mem_value; } #endif #ifdef TARGET_NR_atomic_barrier case TARGET_NR_atomic_barrier: - { - /* Like the kernel implementation and the qemu arm barrier, no-op this? */ - ret = 0; - break; - } + /* Like the kernel implementation and the + qemu arm barrier, no-op this? */ + return 0; #endif #ifdef TARGET_NR_timer_create @@ -12890,7 +12708,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, phost_sevp = &host_sevp; ret = target_to_host_sigevent(phost_sevp, arg2); if (ret != 0) { - break; + return ret; } } @@ -12903,7 +12721,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; } #endif @@ -12931,7 +12749,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; } #endif @@ -12954,7 +12772,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -TARGET_EFAULT; } } - break; + return ret; } #endif @@ -12971,7 +12789,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(timer_getoverrun(htimer)); } fd_trans_unregister(ret); - break; + return ret; } #endif @@ -12988,15 +12806,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(timer_delete(htimer)); g_posix_timers[timerid] = 0; } - break; + return ret; } #endif #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) case TARGET_NR_timerfd_create: - ret = get_errno(timerfd_create(arg1, - target_to_host_bitmask(arg2, fcntl_flags_tbl))); - break; + return get_errno(timerfd_create(arg1, + target_to_host_bitmask(arg2, fcntl_flags_tbl))); #endif #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) @@ -13012,7 +12829,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) @@ -13037,19 +12854,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; #endif #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) case TARGET_NR_ioprio_get: - ret = get_errno(ioprio_get(arg1, arg2)); - break; + return get_errno(ioprio_get(arg1, arg2)); #endif #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) case TARGET_NR_ioprio_set: - ret = get_errno(ioprio_set(arg1, arg2, arg3)); - break; + return get_errno(ioprio_set(arg1, arg2, arg3)); #endif #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) @@ -13057,18 +12872,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (is_hostfd(arg1)) { goto ebadf; } - ret = get_errno(setns(arg1, arg2)); - break; + return get_errno(setns(arg1, arg2)); #endif #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) case TARGET_NR_unshare: - ret = get_errno(unshare(arg1)); - break; + return get_errno(unshare(arg1)); #endif #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) case TARGET_NR_kcmp: - ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); - break; + return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); #endif default: @@ -13077,8 +12889,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) unimplemented_nowarn: #endif - ret = -TARGET_ENOSYS; - break; + return -TARGET_ENOSYS; } fail: return ret;

[02/33] linux-user: Relax single exit from "break"

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