From patchwork Sat Aug 18 19:01:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 959255 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="dGDKEYg8"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41t8k507Ksz9s4V for ; Sun, 19 Aug 2018 05:08:45 +1000 (AEST) Received: from localhost ([::1]:40150 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fr6aY-00022w-GD for incoming@patchwork.ozlabs.org; Sat, 18 Aug 2018 15:08:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55235) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fr6Td-0005Gk-LJ for qemu-devel@nongnu.org; Sat, 18 Aug 2018 15:01:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fr6TX-00077S-Oj for qemu-devel@nongnu.org; Sat, 18 Aug 2018 15:01:33 -0400 Received: from mail-pf1-x442.google.com ([2607:f8b0:4864:20::442]:40447) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fr6TX-00076y-A5 for qemu-devel@nongnu.org; Sat, 18 Aug 2018 15:01:27 -0400 Received: by mail-pf1-x442.google.com with SMTP id e13-v6so4885016pff.7 for ; Sat, 18 Aug 2018 12:01:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DvL1jUMiMaQTf2O/iR4QmCVcHCoO5klJWduQGqwwK6E=; b=dGDKEYg80U0IA560iqIWhEwa5ol+FnXGuTaCZ0FqK0mTROGoHu74bLpJTivQXxxnKX nob6f6RINnv4S7TGEESZ8dh4vzIdmlk/UGvQVAOhbswHx+vKM3oK7PzZv/E/Gaz1m3PQ fQU8n378OR4/f81QpV7VizFPjleV1yWrU8R1w= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DvL1jUMiMaQTf2O/iR4QmCVcHCoO5klJWduQGqwwK6E=; b=TFbESndvjy/QxC1mNIHPZLoPrQcjhFY/oF+nyFzJrdohZRmq9irXieYH8LtV3sYURT EgChUCTZy7AXUKXCdobbixA9oOudOb2cdr8tgiHCewVgr+Qo2V8sVI1f1Lz3BUnWPpUW PNu713obkkXigRCSVqiQ8G7XaQi7Wv+wJ2hpLs2/cmxfGiN1f4HNIDLGgidfcx3O9eJA ofzcBHoU0+167D4jNfAOtip1/yQe8wvp4u/0zusIDTu/kWh8ukbEejh1/HFRmEGbaBEB 4/tLU1iyKHWWagkue0LiAPpjg7bDgquwspfEIVurld20vxfBylEgGMAzOjIwXPgUjq6Z 3Vmg== X-Gm-Message-State: AOUpUlEfGmVoNXOON2oT6VsRFSfcrzJSxeIVIPQRI/QqAQ+kQf5noMYu HFgw2uhceuUpqwYZ/z75yCYV6szAG7A= X-Google-Smtp-Source: AA+uWPz43ZpZs9KN9Boq62IF4QeSauuzeF3HLGWK+mIkKi8OHW4j0X1J6Yo5NhI4Dk3U+LbxUkyT1w== X-Received: by 2002:a63:cc04:: with SMTP id x4-v6mr36808610pgf.33.1534618884878; Sat, 18 Aug 2018 12:01:24 -0700 (PDT) Received: from cloudburst.twiddle.net (97-113-8-179.tukw.qwest.net. [97.113.8.179]) by smtp.gmail.com with ESMTPSA id q85-v6sm9362783pfa.151.2018.08.18.12.01.23 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 18 Aug 2018 12:01:23 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sat, 18 Aug 2018 12:01:05 -0700 Message-Id: <20180818190118.12911-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180818190118.12911-1-richard.henderson@linaro.org> References: <20180818190118.12911-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::442 Subject: [Qemu-devel] [PATCH v4 03/16] linux-user: Relax single exit from "break" X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Transform outermost "break" to "return ret". If the immediately preceeding statement was an assignment to ret, return the value directly. Reviewed-by: Laurent Vivier Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- linux-user/syscall.c | 972 +++++++++++++++++-------------------------- 1 file changed, 390 insertions(+), 582 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index dddd386ec4..f92a24f32a 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8017,8 +8017,7 @@ 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(); @@ -8047,12 +8046,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, cpu_list_unlock(); preexit_cleanup(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 (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) goto efault; ret = get_errno(safe_read(arg1, p, arg3)); @@ -8062,7 +8060,7 @@ 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 (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) goto efault; @@ -8078,7 +8076,8 @@ 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))) @@ -8088,7 +8087,7 @@ 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 (!(p = lock_user_string(arg2))) @@ -8098,29 +8097,27 @@ 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: 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: ret = do_open_by_handle_at(arg1, arg2, arg3); fd_trans_unregister(ret); - break; + return ret; #endif case TARGET_NR_close: 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: @@ -8131,7 +8128,7 @@ 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: @@ -8146,7 +8143,7 @@ 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: @@ -8155,7 +8152,7 @@ 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: @@ -8170,7 +8167,7 @@ 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: @@ -8187,7 +8184,7 @@ 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: @@ -8195,7 +8192,7 @@ 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: @@ -8203,7 +8200,7 @@ 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: { @@ -8301,13 +8298,13 @@ 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: { @@ -8318,7 +8315,7 @@ 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: @@ -8326,7 +8323,7 @@ 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: @@ -8334,7 +8331,7 @@ 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: @@ -8342,7 +8339,7 @@ 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: @@ -8354,20 +8351,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_lseek case TARGET_NR_lseek: - ret = get_errno(lseek(arg1, arg2, arg3)); - break; + return get_errno(lseek(arg1, arg2, arg3)); #endif #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: @@ -8521,7 +8512,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(futimesat(arg1, path(p), tvp)); unlock_user(p, arg2, 0); } - break; + return ret; #endif #ifdef TARGET_NR_stty case TARGET_NR_stty: @@ -8537,7 +8528,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(access(path(p), arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) case TARGET_NR_faccessat: @@ -8545,12 +8536,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(faccessat(arg1, p, arg3, 0)); unlock_user(p, 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: @@ -8558,16 +8548,13 @@ 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: { @@ -8581,7 +8568,7 @@ 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: @@ -8596,7 +8583,7 @@ 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: @@ -8612,7 +8599,7 @@ 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: @@ -8620,7 +8607,7 @@ 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: @@ -8628,7 +8615,7 @@ 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: @@ -8636,24 +8623,22 @@ 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: ret = get_errno(dup(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: { @@ -8672,7 +8657,7 @@ 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; @@ -8690,34 +8675,31 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(acct(path(p))); unlock_user(p, 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; @@ -8727,14 +8709,13 @@ 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; @@ -8745,7 +8726,7 @@ 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: @@ -8760,22 +8741,19 @@ 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: { @@ -8859,7 +8837,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } #endif } - break; + return ret; #endif case TARGET_NR_rt_sigaction: { @@ -8876,8 +8854,7 @@ 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)) @@ -8909,8 +8886,7 @@ 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)) { @@ -8937,7 +8913,7 @@ 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: { @@ -8949,7 +8925,7 @@ 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: @@ -8963,7 +8939,7 @@ 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: @@ -9033,7 +9009,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } #endif } - break; + return ret; #endif case TARGET_NR_rt_sigprocmask: { @@ -9041,8 +9017,7 @@ 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) { @@ -9077,7 +9052,7 @@ 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: { @@ -9090,7 +9065,7 @@ 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: { @@ -9102,8 +9077,7 @@ 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)); @@ -9114,7 +9088,7 @@ 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: { @@ -9134,15 +9108,14 @@ 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; @@ -9154,7 +9127,7 @@ 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; @@ -9162,8 +9135,7 @@ 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))) @@ -9191,7 +9163,7 @@ 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; @@ -9204,7 +9176,7 @@ 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; @@ -9217,29 +9189,25 @@ 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()) { - ret = -TARGET_ERESTARTSYS; - } else { - ret = do_sigreturn(cpu_env); + return -TARGET_ERESTARTSYS; } - break; + return do_sigreturn(cpu_env); #endif case TARGET_NR_rt_sigreturn: if (block_signals()) { - ret = -TARGET_ERESTARTSYS; - } else { - ret = do_rt_sigreturn(cpu_env); + return -TARGET_ERESTARTSYS; } - break; + return do_rt_sigreturn(cpu_env); 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; #ifdef TARGET_NR_setrlimit case TARGET_NR_setrlimit: { @@ -9251,9 +9219,8 @@ 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; #endif #ifdef TARGET_NR_getrlimit case TARGET_NR_getrlimit: @@ -9271,7 +9238,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_rlim, arg2, 1); } } - break; + return ret; #endif case TARGET_NR_getrusage: { @@ -9281,7 +9248,7 @@ 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; @@ -9291,7 +9258,7 @@ 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; @@ -9311,9 +9278,8 @@ 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) @@ -9326,7 +9292,7 @@ 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: @@ -9430,7 +9396,7 @@ 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: @@ -9445,7 +9411,7 @@ 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: @@ -9460,7 +9426,7 @@ 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: @@ -9496,7 +9462,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, ret); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_readlinkat) case TARGET_NR_readlinkat: @@ -9517,7 +9483,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg3, ret); unlock_user(p, arg2, 0); } - break; + return ret; #endif #ifdef TARGET_NR_uselib case TARGET_NR_uselib: @@ -9529,7 +9495,7 @@ 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) { @@ -9543,7 +9509,7 @@ 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; @@ -9576,22 +9542,20 @@ 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: #ifndef MMAP_SHIFT #define MMAP_SHIFT 12 #endif - 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; @@ -9604,38 +9568,31 @@ 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 #ifdef TARGET_NR_truncate case TARGET_NR_truncate: @@ -9643,23 +9600,21 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; ret = get_errno(truncate(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_ftruncate case TARGET_NR_ftruncate: - ret = get_errno(ftruncate(arg1, arg2)); - break; + return get_errno(ftruncate(arg1, arg2)); #endif case TARGET_NR_fchmod: - ret = get_errno(fchmod(arg1, arg2)); - break; + return get_errno(fchmod(arg1, arg2)); #if defined(TARGET_NR_fchmodat) case TARGET_NR_fchmodat: if (!(p = lock_user_string(arg2))) 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 @@ -9667,8 +9622,7 @@ 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. */ @@ -9677,10 +9631,9 @@ 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; @@ -9716,7 +9669,7 @@ 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; #endif #ifdef TARGET_NR_fstatfs case TARGET_NR_fstatfs: @@ -9749,7 +9702,7 @@ 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: ret = get_errno(fstatfs(arg1, &stfs)); goto convert_statfs64; @@ -9760,91 +9713,73 @@ 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: - ret = do_accept4(arg1, arg2, arg3, 0); - break; + return do_accept4(arg1, arg2, arg3, 0); #endif #ifdef TARGET_NR_accept4 case TARGET_NR_accept4: - ret = do_accept4(arg1, arg2, arg3, arg4); - break; + return do_accept4(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_bind case TARGET_NR_bind: - ret = do_bind(arg1, arg2, arg3); - break; + return do_bind(arg1, arg2, arg3); #endif #ifdef TARGET_NR_connect case TARGET_NR_connect: - ret = do_connect(arg1, arg2, arg3); - break; + return do_connect(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getpeername case TARGET_NR_getpeername: - ret = do_getpeername(arg1, arg2, arg3); - break; + return do_getpeername(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getsockname case TARGET_NR_getsockname: - ret = do_getsockname(arg1, arg2, arg3); - break; + return do_getsockname(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getsockopt case TARGET_NR_getsockopt: - 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: - ret = get_errno(listen(arg1, arg2)); - break; + return get_errno(listen(arg1, arg2)); #endif #ifdef TARGET_NR_recv case TARGET_NR_recv: - 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: - 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: - ret = do_sendrecvmsg(arg1, arg2, arg3, 0); - break; + return do_sendrecvmsg(arg1, arg2, arg3, 0); #endif #ifdef TARGET_NR_send case TARGET_NR_send: - 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: - ret = do_sendrecvmsg(arg1, arg2, arg3, 1); - break; + return do_sendrecvmsg(arg1, arg2, arg3, 1); #endif #ifdef TARGET_NR_sendmmsg case TARGET_NR_sendmmsg: - ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); - break; + return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); case TARGET_NR_recvmmsg: - 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: - 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: - 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: @@ -9854,22 +9789,19 @@ 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: - 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: @@ -9885,10 +9817,7 @@ 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 */ @@ -9897,9 +9826,8 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (len < 0) { goto fail; } - ret = 0; if (len == 0) { - break; + return 0; } p = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!p) { @@ -9909,10 +9837,9 @@ 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; @@ -9939,7 +9866,7 @@ 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; @@ -9953,7 +9880,7 @@ 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 (!(p = lock_user_string(arg1))) @@ -9999,7 +9926,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_st, arg2, 1); } } - break; + return ret; #endif #ifdef TARGET_NR_olduname case TARGET_NR_olduname: @@ -10010,17 +9937,15 @@ 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: { @@ -10048,14 +9973,14 @@ 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: { @@ -10083,70 +10008,57 @@ 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: - 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 @@ -10163,20 +10075,19 @@ 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: preexit_cleanup(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 */ { @@ -10198,17 +10109,15 @@ 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: @@ -10225,7 +10134,7 @@ 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: { @@ -10241,7 +10150,7 @@ 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: @@ -10255,11 +10164,9 @@ 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: - 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; @@ -10269,8 +10176,7 @@ 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; @@ -10293,7 +10199,7 @@ 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: @@ -10425,7 +10331,7 @@ 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: @@ -10453,12 +10359,11 @@ 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 @@ -10477,8 +10382,7 @@ 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, @@ -10514,8 +10418,7 @@ 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); @@ -10569,13 +10472,12 @@ 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 Linux platform */ - ret = get_errno(safe_flock(arg1, arg2)); - break; + return get_errno(safe_flock(arg1, arg2)); case TARGET_NR_readv: { struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); @@ -10586,7 +10488,7 @@ 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: { struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); @@ -10597,7 +10499,7 @@ 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: { @@ -10612,7 +10514,7 @@ 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: @@ -10628,22 +10530,19 @@ 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: - 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: { @@ -10655,8 +10554,7 @@ 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); @@ -10675,8 +10573,7 @@ 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; } @@ -10686,7 +10583,7 @@ 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; @@ -10697,20 +10594,18 @@ 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; @@ -10727,7 +10622,7 @@ 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; @@ -10740,9 +10635,8 @@ 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; @@ -10759,7 +10653,7 @@ 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; @@ -10771,21 +10665,16 @@ 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; @@ -10794,7 +10683,7 @@ 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; @@ -10804,7 +10693,7 @@ 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; @@ -10823,7 +10712,7 @@ 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: @@ -10835,7 +10724,7 @@ 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: { @@ -10846,7 +10735,7 @@ 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 @@ -10874,32 +10763,29 @@ 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 @@ -10914,7 +10800,7 @@ 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 (regpairs_aligned(cpu_env, num)) { arg4 = arg5; @@ -10924,14 +10810,14 @@ 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: { @@ -11000,11 +10886,11 @@ 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 #ifdef TARGET_NR_sendfile @@ -11015,7 +10901,7 @@ 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; } @@ -11026,7 +10912,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = ret2; } } - break; + return ret; } #endif #ifdef TARGET_NR_sendfile64 @@ -11037,7 +10923,7 @@ 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; } @@ -11048,7 +10934,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = ret2; } } - break; + return ret; } #endif #else @@ -11069,10 +10955,9 @@ 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: @@ -11088,7 +10973,7 @@ 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 @@ -11097,12 +10982,11 @@ 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: - 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: @@ -11112,7 +10996,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, 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: @@ -11122,14 +11006,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, 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: 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 @@ -11143,7 +11027,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(fstatat(arg1, path(p), &st, arg4)); 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: @@ -11151,34 +11035,28 @@ 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; @@ -11189,7 +11067,7 @@ 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) @@ -11199,7 +11077,7 @@ 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; @@ -11218,12 +11096,10 @@ 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 (!(p = lock_user_string(arg2))) @@ -11231,14 +11107,13 @@ 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: @@ -11252,14 +11127,13 @@ 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: @@ -11273,7 +11147,7 @@ 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: @@ -11281,20 +11155,16 @@ 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: @@ -11302,12 +11172,11 @@ 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) @@ -11318,8 +11187,7 @@ 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 */ @@ -11329,8 +11197,7 @@ 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 */ @@ -11368,7 +11235,7 @@ 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 */ @@ -11459,7 +11326,7 @@ 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. */ @@ -11491,33 +11358,28 @@ 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: @@ -11530,7 +11392,7 @@ 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) { @@ -11542,7 +11404,7 @@ 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: @@ -11561,19 +11423,16 @@ 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: - 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: @@ -11587,12 +11446,11 @@ 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: @@ -11606,7 +11464,7 @@ 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: @@ -11614,27 +11472,23 @@ 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: @@ -11658,7 +11512,7 @@ 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: @@ -11670,8 +11524,7 @@ 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 @@ -11697,11 +11550,9 @@ 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 @@ -11714,10 +11565,8 @@ 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 */ @@ -11737,8 +11586,7 @@ 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 */ @@ -11748,8 +11596,7 @@ 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: @@ -11768,8 +11615,7 @@ 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) { @@ -11796,14 +11642,13 @@ 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: @@ -11811,12 +11656,10 @@ 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 @@ -11829,7 +11672,7 @@ 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 @@ -11840,8 +11683,7 @@ 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); @@ -11856,7 +11698,7 @@ 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: { @@ -11864,13 +11706,12 @@ 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: @@ -11879,8 +11720,7 @@ 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); @@ -11898,15 +11738,14 @@ 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: { void *n, *v = 0; if (arg3) { v = lock_user(VERIFY_READ, arg3, arg4, 1); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } n = lock_user_string(arg2); @@ -11918,7 +11757,7 @@ 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: { @@ -11926,8 +11765,7 @@ 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); @@ -11945,15 +11783,14 @@ 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: { void *n, *v = 0; if (arg3) { v = lock_user(VERIFY_WRITE, arg3, arg4, 0); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } n = lock_user_string(arg2); @@ -11965,7 +11802,7 @@ 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: { @@ -11984,7 +11821,7 @@ 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: { void *n; @@ -11996,15 +11833,14 @@ 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; @@ -12012,16 +11848,14 @@ 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; @@ -12030,13 +11864,11 @@ 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; @@ -12056,7 +11888,7 @@ 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 @@ -12067,7 +11899,7 @@ 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 @@ -12078,7 +11910,7 @@ 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 @@ -12098,24 +11930,21 @@ 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: @@ -12157,18 +11986,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, 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) @@ -12178,7 +12006,7 @@ 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) @@ -12186,12 +12014,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, p = lock_user_string(arg2); ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); unlock_user(p, arg2, 0); - break; + return ret; #endif #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) case TARGET_NR_inotify_rm_watch: - 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) @@ -12216,17 +12043,16 @@ 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: { @@ -12242,7 +12068,7 @@ 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: { @@ -12263,7 +12089,7 @@ 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: */ @@ -12284,7 +12110,7 @@ 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 @@ -12293,7 +12119,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, { ret = get_errno(tee(arg1,arg2,arg3,arg4)); } - break; + return ret; #endif #ifdef TARGET_NR_splice case TARGET_NR_splice: @@ -12324,7 +12150,7 @@ 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: @@ -12337,7 +12163,7 @@ 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 @@ -12347,7 +12173,7 @@ 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: @@ -12363,7 +12189,7 @@ 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 */ @@ -12375,7 +12201,7 @@ 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) @@ -12391,7 +12217,7 @@ 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: @@ -12402,29 +12228,25 @@ 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) case TARGET_NR_signalfd4: - ret = do_signalfd4(arg1, arg2, arg4); - break; + return do_signalfd4(arg1, arg2, arg4); #endif #if defined(TARGET_NR_signalfd) case TARGET_NR_signalfd: - 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: @@ -12445,8 +12267,7 @@ 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 @@ -12465,8 +12286,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, int timeout = arg4; if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_ep = lock_user(VERIFY_WRITE, arg2, @@ -12478,8 +12298,7 @@ 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) { @@ -12533,7 +12352,7 @@ 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 @@ -12563,7 +12382,7 @@ 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 @@ -12576,7 +12395,7 @@ 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 @@ -12597,17 +12416,14 @@ 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 @@ -12629,7 +12445,7 @@ 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; } } @@ -12642,7 +12458,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; } #endif @@ -12670,7 +12486,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto efault; } } - break; + return ret; } #endif @@ -12693,7 +12509,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = -TARGET_EFAULT; } } - break; + return ret; } #endif @@ -12710,7 +12526,7 @@ 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 @@ -12727,15 +12543,14 @@ 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) @@ -12749,7 +12564,7 @@ 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) @@ -12772,41 +12587,35 @@ 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) case TARGET_NR_setns: - 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 #ifdef TARGET_NR_swapcontext case TARGET_NR_swapcontext: /* PowerPC specific. */ - ret = do_swapcontext(cpu_env, arg1, arg2, arg3); - break; + return do_swapcontext(cpu_env, arg1, arg2, arg3); #endif default: @@ -12815,8 +12624,7 @@ 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;