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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32e.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722076312100002 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/syscall_defs.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index e4825f2662..39a9bc8ed7 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -55,6 +55,23 @@ struct target_iovec { abi_long iov_len; /* Number of bytes */ }; =20 +/* + * sys/ipc.h + */ +struct target_ipc_perm { + uint32_t cuid; /* creator user id */ + uint32_t cgid; /* creator group id */ + uint32_t uid; /* user id */ + uint32_t gid; /* group id */ + uint16_t mode; /* r/w permission */ + uint16_t seq; /* sequence # */ + abi_long key; /* user specified msg/sem/shm key */ +}; + +#define TARGET_IPC_RMID 0 /* remove identifier */ +#define TARGET_IPC_SET 1 /* set options */ +#define TARGET_IPC_STAT 2 /* get options */ + /* * sys/mman.h */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694721989; cv=none; d=zohomail.com; s=zohoarc; b=YTscMPrMN5nRpWS98U9vZq23MzGIJF0yfQYWtAD4NrUoI+krm3QsjwcgjI7jl4ehwQB7DdOz/vSg5NDCQr5YW4JOr9Ckxq4fRbvf6hKWYlU8H3N1vJpv7jJCrAXuQxmFdyF528qchyzSpSYbCc6u/qkU6JUgnBR8Kj3AFgyj0BE= ARC-Message-Signature: i=1; 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Thu, 14 Sep 2023 13:04:08 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Richard Henderson , Stacey Son , Karim Taha Subject: [PATCH v4 02/23] bsd-user: Implement struct target_shmid_ds Date: Thu, 14 Sep 2023 23:02:21 +0300 Message-ID: <20230914200242.20148-3-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230914200242.20148-1-kariem.taha2.7@gmail.com> References: <20230914200242.20148-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x333.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721990146100003 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/syscall_defs.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 39a9bc8ed7..074df7bdd6 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -72,6 +72,26 @@ struct target_ipc_perm { #define TARGET_IPC_SET 1 /* set options */ #define TARGET_IPC_STAT 2 /* get options */ =20 +/* + * sys/shm.h + */ +struct target_shmid_ds { + struct target_ipc_perm shm_perm; /* peration permission structure */ + abi_ulong shm_segsz; /* size of segment in bytes */ + int32_t shm_lpid; /* process ID of last shared memory op */ + int32_t shm_cpid; /* process ID of creator */ + int32_t shm_nattch; /* number of current attaches */ + target_time_t shm_atime; /* time of last shmat() */ + target_time_t shm_dtime; /* time of last shmdt() */ + target_time_t shm_ctime; /* time of last change by shmctl() */ +}; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32a.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722037921100003 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/qemu-bsd.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 bsd-user/qemu-bsd.h diff --git a/bsd-user/qemu-bsd.h b/bsd-user/qemu-bsd.h new file mode 100644 index 0000000000..46572ece7d --- /dev/null +++ b/bsd-user/qemu-bsd.h @@ -0,0 +1,45 @@ +/* + * BSD conversion extern declarations + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef QEMU_BSD_H +#define QEMU_BSD_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* bsd-mem.c */ +void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip, + struct target_ipc_perm *target_ip); +void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, + struct ipc_perm *host_ip); +abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr); +abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd); + +#endif /* QEMU_BSD_H */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721892643100003 Content-Type: text/plain; charset="utf-8" From: Stacey Son To preserve the copyright notice and help with the 'Author' info for subsequent changes to the file. Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/freebsd/os-misc.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 bsd-user/freebsd/os-misc.h diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h new file mode 100644 index 0000000000..8436ccb2f7 --- /dev/null +++ b/bsd-user/freebsd/os-misc.h @@ -0,0 +1,28 @@ +/* + * miscellaneous FreeBSD system call shims + * + * Copyright (c) 2013-14 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef OS_MISC_H +#define OS_MISC_H + +#include +#include +#include + + +#endif /* OS_MISC_H */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694722097; cv=none; d=zohomail.com; s=zohoarc; b=FJHSmRtRdS8a3sWSak1OXg9kAgjMyadUtjfrWmxNaPY76ycseZMWUV6BAZmlsAuGujnEmLJko3UmP6JlrtPka7U9g2ImSUtllffhUnHHLFUS8szhixIOFIezD4vcnpWF53p+LnxPtxt1cARKxZpXlCzmJi3pHv91KcWBlR7iUA0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1694722097; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x333.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722099190100003 Content-Type: text/plain; charset="utf-8" From: Kyle Evans Signed-off-by: Kyle Evans Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/freebsd/os-misc.h | 42 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 13 +++++++++++ 2 files changed, 55 insertions(+) diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h index 8436ccb2f7..6b424b7078 100644 --- a/bsd-user/freebsd/os-misc.h +++ b/bsd-user/freebsd/os-misc.h @@ -24,5 +24,47 @@ #include #include =20 +int shm_open2(const char *path, int flags, mode_t mode, int shmflags, + const char *); + +#if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 +/* shm_open2(2) */ +static inline abi_long do_freebsd_shm_open2(abi_ulong pathptr, abi_ulong f= lags, + abi_long mode, abi_ulong shmflags, abi_ulong nameptr) +{ + int ret; + void *uname, *upath; + + if (pathptr =3D=3D (uintptr_t)SHM_ANON) { + upath =3D SHM_ANON; + } else { + upath =3D lock_user_string(pathptr); + if (upath =3D=3D NULL) { + return -TARGET_EFAULT; + } + } + + uname =3D NULL; + if (nameptr !=3D 0) { + uname =3D lock_user_string(nameptr); + if (uname =3D=3D NULL) { + unlock_user(upath, pathptr, 0); + return -TARGET_EFAULT; + } + } + ret =3D get_errno(shm_open2(upath, + target_to_host_bitmask(flags, fcntl_flags_tbl), mode, + target_to_host_bitmask(shmflags, shmflag_flags_tbl), uname= )); + + if (upath !=3D SHM_ANON) { + unlock_user(upath, pathptr, 0); + } + if (uname !=3D NULL) { + unlock_user(uname, nameptr, 0); + } + return ret; +} +#endif /* __FreeBSD_version >=3D 1300048 */ + =20 #endif /* OS_MISC_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 2224a280ea..b4311db578 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -33,9 +33,13 @@ #include "signal-common.h" #include "user/syscall-trace.h" =20 +/* BSD independent syscall shims */ #include "bsd-file.h" #include "bsd-proc.h" =20 +/* *BSD dependent syscall shims */ +#include "os-misc.h" + /* I/O */ safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode); safe_syscall4(int, openat, int, fd, const char *, path, int, flags, mode_t, @@ -482,6 +486,15 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_undelete(arg1); break; =20 + /* + * Memory management system calls. + */ +#if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 + case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ + ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); + break; +#endif + /* * sys{ctl, arch, call} */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694721891; cv=none; d=zohomail.com; s=zohoarc; b=V4ttq2rHCI6apFfK9KVePp1m4BF9QZcFivC3gb1h8r38C6ZzlOQlAaL5YGK1Q3by0OQdM8QnPAeM7MCa35Oy8j2A/cg8tx9ofAiqQQhla4g6J+U8P+4J92lhb6gUEki3DdqJ94ljakhf4fDxbAJMAR1+Q92E6XEEctwBiZlQiaI= ARC-Message-Signature: i=1; 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Thu, 14 Sep 2023 13:04:13 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Richard Henderson , Kyle Evans , Karim Taha Subject: [PATCH v4 06/23] bsd-user: Implement shm_rename(2) system call Date: Thu, 14 Sep 2023 23:02:25 +0300 Message-ID: <20230914200242.20148-7-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230914200242.20148-1-kariem.taha2.7@gmail.com> References: <20230914200242.20148-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x330.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721892619100001 Content-Type: text/plain; charset="utf-8" From: Kyle Evans Signed-off-by: Kyle Evans Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/freebsd/os-misc.h | 24 ++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 6 ++++++ 2 files changed, 30 insertions(+) diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h index 6b424b7078..67e450fe7c 100644 --- a/bsd-user/freebsd/os-misc.h +++ b/bsd-user/freebsd/os-misc.h @@ -66,5 +66,29 @@ static inline abi_long do_freebsd_shm_open2(abi_ulong pa= thptr, abi_ulong flags, } #endif /* __FreeBSD_version >=3D 1300048 */ =20 +#if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300049 +/* shm_rename(2) */ +static inline abi_long do_freebsd_shm_rename(abi_ulong fromptr, abi_ulong = toptr, + abi_ulong flags) +{ + int ret; + void *ufrom, *uto; + + ufrom =3D lock_user_string(fromptr); + if (ufrom =3D=3D NULL) { + return -TARGET_EFAULT; + } + uto =3D lock_user_string(toptr); + if (uto =3D=3D NULL) { + unlock_user(ufrom, fromptr, 0); + return -TARGET_EFAULT; + } + ret =3D get_errno(shm_rename(ufrom, uto, flags)); + unlock_user(ufrom, fromptr, 0); + unlock_user(uto, toptr, 0); + + return ret; +} +#endif /* __FreeBSD_version >=3D 1300049 */ =20 #endif /* OS_MISC_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index b4311db578..2920370ad2 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -495,6 +495,12 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, break; #endif =20 +#if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300049 + case TARGET_FREEBSD_NR_shm_rename: /* shm_rename(2) */ + ret =3D do_freebsd_shm_rename(arg1, arg2, arg3); + break; +#endif + /* * sys{ctl, arch, call} */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wr1-x42a.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721892638100002 Content-Type: text/plain; charset="utf-8" Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/bsd-mem.c | 0 bsd-user/meson.build | 1 + 2 files changed, 1 insertion(+) create mode 100644 bsd-user/bsd-mem.c diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c new file mode 100644 index 0000000000..e69de29bb2 diff --git a/bsd-user/meson.build b/bsd-user/meson.build index 5243122fc5..6ee68fdfe7 100644 --- a/bsd-user/meson.build +++ b/bsd-user/meson.build @@ -7,6 +7,7 @@ bsd_user_ss =3D ss.source_set() common_user_inc +=3D include_directories('include') =20 bsd_user_ss.add(files( + 'bsd-mem.c', 'bsdload.c', 'elfload.c', 'main.c', --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x336.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721924578100003 From: Stacey Son The definitions and variables names matches the corresponding ones in linux-user/syscall.c, for making later implementation of do_obreak easier Co-authored-by: Mika=C3=ABl Urankar Signed-off-by: Mika=C3=ABl Urankar Signed-off-by: Karim Taha Reviewed-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.c | 32 ++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 ---- 2 files changed, 32 insertions(+), 4 deletions(-) diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c index e69de29bb2..8834ab2e58 100644 --- a/bsd-user/bsd-mem.c +++ b/bsd-user/bsd-mem.c @@ -0,0 +1,32 @@ +/* + * memory management system conversion routines + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ +#include "qemu/osdep.h" +#include "qemu.h" +#include "qemu-bsd.h" + +struct bsd_shm_regions bsd_shm_regions[N_BSD_SHM_REGIONS]; + +abi_ulong target_brk; +abi_ulong initial_target_brk; + +void target_set_brk(abi_ulong new_brk) +{ + target_brk =3D TARGET_PAGE_ALIGN(new_brk); + initial_target_brk =3D target_brk; +} diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 2920370ad2..c0a22eb746 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -59,10 +59,6 @@ safe_syscall3(ssize_t, writev, int, fd, const struct iov= ec *, iov, int, iovcnt); safe_syscall4(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, i= ovcnt, off_t, offset); =20 -void target_set_brk(abi_ulong new_brk) -{ -} - /* * errno conversion. */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c index 8834ab2e58..46cda8eb5c 100644 --- a/bsd-user/bsd-mem.c +++ b/bsd-user/bsd-mem.c @@ -30,3 +30,28 @@ void target_set_brk(abi_ulong new_brk) target_brk =3D TARGET_PAGE_ALIGN(new_brk); initial_target_brk =3D target_brk; } + +void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip, + struct target_ipc_perm *target_ip) +{ + __get_user(host_ip->cuid, &target_ip->cuid); + __get_user(host_ip->cgid, &target_ip->cgid); + __get_user(host_ip->uid, &target_ip->uid); + __get_user(host_ip->gid, &target_ip->gid); + __get_user(host_ip->mode, &target_ip->mode); + __get_user(host_ip->seq, &target_ip->seq); + __get_user(host_ip->key, &target_ip->key); +} + +void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, + struct ipc_perm *host_ip) +{ + __put_user(host_ip->cuid, &target_ip->cuid); + __put_user(host_ip->cgid, &target_ip->cgid); + __put_user(host_ip->uid, &target_ip->uid); + __put_user(host_ip->gid, &target_ip->gid); + __put_user(host_ip->mode, &target_ip->mode); + __put_user(host_ip->seq, &target_ip->seq); + __put_user(host_ip->key, &target_ip->key); +} + --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694721959; cv=none; d=zohomail.com; s=zohoarc; b=BiLRzy3JLzmVUaDmJcCpQl52Pql1wb5Ps5ic2HKySQtBqrMZaYmNNVh1bz+zDB3ou8EQduS2iP1tjSOZ579alaaZYXs17iS9hn5eUq1oHrAzU9FTtvegn+GQm7CP3uXTLcC+G3UB8OsMIaR9PAApygoA6H48uVjOIR7vCGl8ioQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1694721959; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c index 46cda8eb5c..2ab1334b70 100644 --- a/bsd-user/bsd-mem.c +++ b/bsd-user/bsd-mem.c @@ -43,6 +43,30 @@ void target_to_host_ipc_perm__locked(struct ipc_perm *ho= st_ip, __get_user(host_ip->key, &target_ip->key); } =20 +abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) { + return -TARGET_EFAULT; + } + + target_to_host_ipc_perm__locked(&(host_sd->shm_perm), + &(target_sd->shm_perm)); + + __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __get_user(host_sd->shm_atime, &target_sd->shm_atime); + __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 0); + + return 0; +} + void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, struct ipc_perm *host_ip) { @@ -55,3 +79,26 @@ void host_to_target_ipc_perm__locked(struct target_ipc_p= erm *target_ip, __put_user(host_ip->key, &target_ip->key); } =20 +abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) { + return -TARGET_EFAULT; + } + + host_to_target_ipc_perm__locked(&(target_sd->shm_perm), + &(host_sd->shm_perm)); + + __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __put_user(host_sd->shm_atime, &target_sd->shm_atime); + __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 1); + + return 0; +} --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694722090; cv=none; d=zohomail.com; s=zohoarc; b=DjuGoMI/37T7wZYa7B16Ig/gu8rsOIlPbDo9+hzuQEhI0mDn+HVDcl5URvCzquj5wGytzxLFpjOSlWFKwjcVtxeg7nr9GB/XTVZuBUr3FM6afssc9vEn9EYLEP2sh+GobCfYabigeb8tycGec0uicDB2nY6kwBRrfm+7sbr3UT4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1694722090; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32c.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722090697100002 Content-Type: text/plain; charset="utf-8" From: Stacey Son Preserve the copyright notice and help with the 'Author' info for subsequent changes to the file. Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 64 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 1 + 2 files changed, 65 insertions(+) create mode 100644 bsd-user/bsd-mem.h diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h new file mode 100644 index 0000000000..d865e0807d --- /dev/null +++ b/bsd-user/bsd-mem.h @@ -0,0 +1,64 @@ +/* + * memory management system call shims and definitions + * + * Copyright (c) 2013-15 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP= OSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENT= IAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STR= ICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY W= AY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef BSD_USER_BSD_MEM_H +#define BSD_USER_BSD_MEM_H + +#include +#include +#include +#include +#include + +#include "qemu-bsd.h" + +extern struct bsd_shm_regions bsd_shm_regions[]; +extern abi_ulong target_brk; +extern abi_ulong initial_target_brk; + +#endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index c0a22eb746..7e2a395e0f 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -35,6 +35,7 @@ =20 /* BSD independent syscall shims */ #include "bsd-file.h" +#include "bsd-mem.h" #include "bsd-proc.h" =20 /* *BSD dependent syscall shims */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32e.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722166970100011 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 20 ++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 9 +++++++++ 2 files changed, 29 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index d865e0807d..76b504f70c 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -61,4 +61,24 @@ extern struct bsd_shm_regions bsd_shm_regions[]; extern abi_ulong target_brk; extern abi_ulong initial_target_brk; =20 +/* mmap(2) */ +static inline abi_long do_bsd_mmap(void *cpu_env, abi_long arg1, abi_long = arg2, + abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6, abi_long a= rg7, + abi_long arg8) +{ + if (regpairs_aligned(cpu_env) !=3D 0) { + arg6 =3D arg7; + arg7 =3D arg8; + } + return get_errno(target_mmap(arg1, arg2, arg3, + target_to_host_bitmask(arg4, mmap_flags_t= bl), + arg5, target_arg64(arg6, arg7))); +} + +/* munmap(2) */ +static inline abi_long do_bsd_munmap(abi_long arg1, abi_long arg2) +{ + return get_errno(target_munmap(arg1, arg2)); +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 7e2a395e0f..d88f62319b 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -486,6 +486,15 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, /* * Memory management system calls. */ + case TARGET_FREEBSD_NR_mmap: /* mmap(2) */ + ret =3D do_bsd_mmap(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6, a= rg7, + arg8); + break; + + case TARGET_FREEBSD_NR_munmap: /* munmap(2) */ + ret =3D do_bsd_munmap(arg1, arg2); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694722164; cv=none; d=zohomail.com; s=zohoarc; b=V8RXLYPPyFJU1Q3l9C426VbZ+SjRW2DjMK9Ha0EyPzIVKIkleYDRMkb8ZPeMexm4tfxejgLcYroFQ+rfG3EATNSMkfe6e/FSXGqUDSWjiI/2Fa8Ml5N/6gArwEUhHuP2ZnIm45KholjlOXtZ+JARORy/GJnWwvFHeSoVub9qP1A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1694722164; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x336.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722164874100005 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/bsd-mem.h | 7 +++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index 76b504f70c..0f9e4a1d4b 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -81,4 +81,11 @@ static inline abi_long do_bsd_munmap(abi_long arg1, abi_= long arg2) return get_errno(target_munmap(arg1, arg2)); } =20 +/* mprotect(2) */ +static inline abi_long do_bsd_mprotect(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + return get_errno(target_mprotect(arg1, arg2, arg3)); +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index d88f62319b..127805e079 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -495,6 +495,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_munmap(arg1, arg2); break; =20 + case TARGET_FREEBSD_NR_mprotect: /* mprotect(2) */ + ret =3D do_bsd_mprotect(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x334.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722168387100015 Content-Type: text/plain; charset="utf-8" From: Stacey Son Co-authored-by: Kyle Evans Signed-off-by: Stacey Son Signed-off-by: Kyle Evans Signed-off-by: Karim Taha Reviewed-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 11 +++++++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 15 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index 0f9e4a1d4b..5e885823a7 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -88,4 +88,15 @@ static inline abi_long do_bsd_mprotect(abi_long arg1, ab= i_long arg2, return get_errno(target_mprotect(arg1, arg2, arg3)); } =20 +/* msync(2) */ +static inline abi_long do_bsd_msync(abi_long addr, abi_long len, abi_long = flags) +{ + if (!guest_range_valid_untagged(addr, len)) { + /* It seems odd, but POSIX wants this to be ENOMEM */ + return -TARGET_ENOMEM; + } + + return get_errno(msync(g2h_untagged(addr), len, flags)); +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 127805e079..859492dee7 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -499,6 +499,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_mprotect(arg1, arg2, arg3); break; =20 + case TARGET_FREEBSD_NR_msync: /* msync(2) */ + ret =3D do_bsd_msync(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x336.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722164175100001 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 37 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 20 +++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index 5e885823a7..16c22593bf 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -99,4 +99,41 @@ static inline abi_long do_bsd_msync(abi_long addr, abi_l= ong len, abi_long flags) return get_errno(msync(g2h_untagged(addr), len, flags)); } =20 +/* mlock(2) */ +static inline abi_long do_bsd_mlock(abi_long arg1, abi_long arg2) +{ + if (!guest_range_valid_untagged(arg1, arg2)) { + return -TARGET_EINVAL; + } + return get_errno(mlock(g2h_untagged(arg1), arg2)); +} + +/* munlock(2) */ +static inline abi_long do_bsd_munlock(abi_long arg1, abi_long arg2) +{ + if (!guest_range_valid_untagged(arg1, arg2)) { + return -TARGET_EINVAL; + } + return get_errno(munlock(g2h_untagged(arg1), arg2)); +} + +/* mlockall(2) */ +static inline abi_long do_bsd_mlockall(abi_long arg1) +{ + return get_errno(mlockall(arg1)); +} + +/* munlockall(2) */ +static inline abi_long do_bsd_munlockall(void) +{ + return get_errno(munlockall()); +} + +/* minherit(2) */ +static inline abi_long do_bsd_minherit(abi_long addr, abi_long len, + abi_long inherit) +{ + return get_errno(minherit(g2h_untagged(addr), len, inherit)); +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 859492dee7..6eaa705cd3 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -503,6 +503,26 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_msync(arg1, arg2, arg3); break; =20 + case TARGET_FREEBSD_NR_mlock: /* mlock(2) */ + ret =3D do_bsd_mlock(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_munlock: /* munlock(2) */ + ret =3D do_bsd_munlock(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_mlockall: /* mlockall(2) */ + ret =3D do_bsd_mlockall(arg1); + break; + + case TARGET_FREEBSD_NR_munlockall: /* munlockall(2) */ + ret =3D do_bsd_munlockall(); + break; + + case TARGET_FREEBSD_NR_minherit: /* minherit(2) */ + ret =3D do_bsd_minherit(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; 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Date: Thu, 14 Sep 2023 23:02:35 +0300 Message-ID: <20230914200242.20148-17-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230914200242.20148-1-kariem.taha2.7@gmail.com> References: <20230914200242.20148-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x329.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722131426100002 Content-Type: text/plain; charset="utf-8" Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 53 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 +++ bsd-user/syscall_defs.h | 2 ++ 3 files changed, 59 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index 16c22593bf..b00ab3aed8 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -129,6 +129,59 @@ static inline abi_long do_bsd_munlockall(void) return get_errno(munlockall()); } =20 +/* madvise(2) */ +static inline abi_long do_bsd_madvise(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_ulong len; + int ret =3D 0; + abi_long start =3D arg1; + abi_long len_in =3D arg2; + abi_long advice =3D arg3; + + if (start & ~TARGET_PAGE_MASK) { + return -TARGET_EINVAL; + } + if (len_in =3D=3D 0) { + return 0; + } + len =3D TARGET_PAGE_ALIGN(len_in); + if (len =3D=3D 0 || !guest_range_valid_untagged(start, len)) { + return -TARGET_EINVAL; + } + + /* + * Most advice values are hints, so ignoring and returning success is = ok. + * + * However, some advice values such as MADV_DONTNEED, are not hints and + * need to be emulated. + * + * A straight passthrough for those may not be safe because qemu somet= imes + * turns private file-backed mappings into anonymous mappings. + * If all guest pages have PAGE_PASSTHROUGH set, mappings have the + * same semantics for the host as for the guest. + * + * MADV_DONTNEED is passed through, if possible. + * If passthrough isn't possible, we nevertheless (wrongly!) return + * success, which is broken but some userspace programs fail to work + * otherwise. Completely implementing such emulation is quite complica= ted + * though. + */ + mmap_lock(); + switch (advice) { + case MADV_DONTNEED: + if (page_check_range(start, len, PAGE_PASSTHROUGH)) { + ret =3D get_errno(madvise(g2h_untagged(start), len, advice)); + if (ret =3D=3D 0) { + page_reset_target_data(start, start + len - 1); + } + } + } + mmap_unlock(); + + return ret; +} + /* minherit(2) */ static inline abi_long do_bsd_minherit(abi_long addr, abi_long len, abi_long inherit) diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 6eaa705cd3..f5d60cf902 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -519,6 +519,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_munlockall(); break; =20 + case TARGET_FREEBSD_NR_madvise: /* madvise(2) */ + ret =3D do_bsd_madvise(arg1, arg2, arg3); + break; + case TARGET_FREEBSD_NR_minherit: /* minherit(2) */ ret =3D do_bsd_minherit(arg1, arg2, arg3); break; diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 074df7bdd6..76f4856009 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -95,6 +95,8 @@ struct bsd_shm_regions { /* * sys/mman.h */ +#define TARGET_MADV_DONTNEED 4 /* dont need these pages */ + #define TARGET_FREEBSD_MAP_RESERVED0080 0x0080 /* previously misimplement= ed */ /* MAP_INHERIT */ #define TARGET_FREEBSD_MAP_RESERVED0100 0x0100 /* previously unimplemente= d */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694722053; cv=none; d=zohomail.com; s=zohoarc; b=QgD3HNEBBVK01Ps1CU+uwulNH2kXOw7ob7DhXx+9e4YA3z/YOOjkhITtSq11H/k5ihrd1oi2ZlI8slc99nfb4kS+pLUPWbZjI11Fc+2eh+qn0/FehqUOCoRIcJx5SlFMFpDeVCxWdCz0hOuDUIzcSDlt2cEo4M4+MqCAoUetF9I= ARC-Message-Signature: i=1; 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Thu, 14 Sep 2023 13:04:28 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Richard Henderson , Stacey Son , Karim Taha Subject: [PATCH v4 17/23] bsd-user: Implement mincore(2) Date: Thu, 14 Sep 2023 23:02:36 +0300 Message-ID: <20230914200242.20148-18-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230914200242.20148-1-kariem.taha2.7@gmail.com> References: <20230914200242.20148-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::331; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x331.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722053804100001 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 23 +++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 27 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index b00ab3aed8..0c8d96d9a4 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -189,4 +189,27 @@ static inline abi_long do_bsd_minherit(abi_long addr, = abi_long len, return get_errno(minherit(g2h_untagged(addr), len, inherit)); } =20 +/* mincore(2) */ +static inline abi_long do_bsd_mincore(abi_ulong target_addr, abi_ulong len, + abi_ulong target_vec) +{ + abi_long ret; + void *p; + abi_ulong vec_len =3D DIV_ROUND_UP(len, TARGET_PAGE_SIZE); + + if (!guest_range_valid_untagged(target_addr, len) + || !page_check_range(target_addr, len, PAGE_VALID)) { + return -TARGET_EFAULT; + } + + p =3D lock_user(VERIFY_WRITE, target_vec, vec_len, 0); + if (p =3D=3D NULL) { + return -TARGET_EFAULT; + } + ret =3D get_errno(mincore(g2h_untagged(target_addr), len, p)); + unlock_user(p, target_vec, vec_len); + + return ret; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index f5d60cf902..8d1cf3b35c 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -527,6 +527,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_minherit(arg1, arg2, arg3); break; =20 + case TARGET_FREEBSD_NR_mincore: /* mincore(2) */ + ret =3D do_bsd_mincore(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x335.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721924588100004 Content-Type: text/plain; charset="utf-8" From: Stacey Son Match linux-user, by manually applying the following commits, in order: d28b3c90cfad1a7e211ae2bce36ecb9071086129 linux-user: Make sure initial br= k(0) is page-aligned 15ad98536ad9410fb32ddf1ff09389b677643faa linux-user: Fix qemu brk() to no= t zero bytes on current page dfe49864afb06e7e452a4366051697bc4fcfc1a5 linux-user: Prohibit brk() to to= shrink below initial heap address eac78a4b0b7da4de2c0a297f4d528ca9cc6256a3 linux-user: Fix signed math over= flow in brk() syscall c6cc059eca18d9f6e4e26bb8b6d1135ddb35d81a linux-user: Do not call get_errn= o() in do_brk() e69e032d1a8ee8d754ca119009a3c2c997f8bb30 linux-user: Use MAP_FIXED_NOREPL= ACE for do_brk() cb9d5d1fda0bc2312fc0c779b4ea1d7bf826f31f linux-user: Do nothing if too sm= all brk is specified 2aea137a425a87b930a33590177b04368fd7cc12 linux-user: Do not align brk wit= h host page size Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 45 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 7 ++++++ 2 files changed, 52 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index 0c8d96d9a4..b296c5c6f0 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -212,4 +212,49 @@ static inline abi_long do_bsd_mincore(abi_ulong target= _addr, abi_ulong len, return ret; } =20 +/* do_brk() must return target values and target errnos. */ +static inline abi_long do_obreak(abi_ulong brk_val) +{ + abi_long mapped_addr; + abi_ulong new_brk; + abi_ulong old_brk; + + /* brk pointers are always untagged */ + + /* do not allow to shrink below initial brk value */ + if (brk_val < initial_target_brk) { + return target_brk; + } + + new_brk =3D TARGET_PAGE_ALIGN(brk_val); + old_brk =3D TARGET_PAGE_ALIGN(target_brk); + + /* new and old target_brk might be on the same page */ + if (new_brk =3D=3D old_brk) { + target_brk =3D brk_val; + return target_brk; + } + + /* Release heap if necesary */ + if (new_brk < old_brk) { + target_munmap(new_brk, old_brk - new_brk); + + target_brk =3D brk_val; + return target_brk; + } + + mapped_addr =3D target_mmap(old_brk, new_brk - old_brk, + PROT_READ | PROT_WRITE, + MAP_FIXED | MAP_EXCL | MAP_ANON | MAP_PRIVAT= E, + -1, 0); + + if (mapped_addr =3D=3D old_brk) { + target_brk =3D brk_val; + return target_brk; + } + + /* For everything else, return the previous break. */ + return target_brk; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 8d1cf3b35c..8dd29fddde 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -543,6 +543,13 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, break; #endif =20 + /* + * Misc + */ + case TARGET_FREEBSD_NR_break: + ret =3D do_obreak(arg1); + break; + /* * sys{ctl, arch, call} */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694722013; cv=none; d=zohomail.com; s=zohoarc; b=Ih0z9pKTLU/i3I0aKRCU5iP7nxPtXcipI4+AzQUAt0Azz7Spvt1Hkfs/r43m7a50kndvqHxq0v+sxW724Zu+wYszoH5xpMbFA5ut/8ragYWYujMAVzRh/ucCzTO9JFL/a8UZ5W5vzBj5YLqw+ixeqZgYlyjONKtFkG9fUsOI5F4= ARC-Message-Signature: i=1; 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Thu, 14 Sep 2023 13:04:31 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Richard Henderson , Stacey Son , Kyle Evans , Karim Taha Subject: [PATCH v4 19/23] bsd-user: Implement shm_open(2) Date: Thu, 14 Sep 2023 23:02:38 +0300 Message-ID: <20230914200242.20148-20-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230914200242.20148-1-kariem.taha2.7@gmail.com> References: <20230914200242.20148-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32b.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722014172100001 Content-Type: text/plain; charset="utf-8" From: Stacey Son Co-authored-by: Kyle Evans Signed-off-by: Stacey Son Signed-off-by: Kyle Evans Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 25 +++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 29 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index b296c5c6f0..f8dc943c23 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -257,4 +257,29 @@ static inline abi_long do_obreak(abi_ulong brk_val) return target_brk; } =20 +/* shm_open(2) */ +static inline abi_long do_bsd_shm_open(abi_ulong arg1, abi_long arg2, + abi_long arg3) +{ + int ret; + void *p; + + if (arg1 =3D=3D (uintptr_t)SHM_ANON) { + p =3D SHM_ANON; + } else { + p =3D lock_user_string(arg1); + if (p =3D=3D NULL) { + return -TARGET_EFAULT; + } + } + ret =3D get_errno(shm_open(p, target_to_host_bitmask(arg2, fcntl_flags= _tbl), + arg3)); + + if (p !=3D SHM_ANON) { + unlock_user(p, arg1, 0); + } + + return ret; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 8dd29fddde..7404b0aa72 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -531,6 +531,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_mincore(arg1, arg2, arg3); break; =20 + case TARGET_FREEBSD_NR_freebsd12_shm_open: /* shm_open(2) */ + ret =3D do_bsd_shm_open(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1694722201; cv=none; d=zohomail.com; s=zohoarc; b=PyHdUQxSCVUnO4E2lubo4Y/gAcJ+D6XKHjRTj2fax8sP7G5jyYEKzK4Ltf6ECIUONUWcGIKgMd7W0/ogQmZMPzVrJ4f/ftC4MvYoi/XdfuSFSHASO4Ij4crOcI0XNeUEU0Y9kEq/Mib+OHbD203/KmrciIlSeDBwNPhVuvKzrTk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1694722201; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x329.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722203426100005 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 23 +++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 8 ++++++++ 2 files changed, 31 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index f8dc943c23..c362cc07a3 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -282,4 +282,27 @@ static inline abi_long do_bsd_shm_open(abi_ulong arg1,= abi_long arg2, return ret; } =20 +/* shm_unlink(2) */ +static inline abi_long do_bsd_shm_unlink(abi_ulong arg1) +{ + int ret; + void *p; + + p =3D lock_user_string(arg1); + if (p =3D=3D NULL) { + return -TARGET_EFAULT; + } + ret =3D get_errno(shm_unlink(p)); /* XXX path(p)? */ + unlock_user(p, arg1, 0); + + return ret; +} + +/* shmget(2) */ +static inline abi_long do_bsd_shmget(abi_long arg1, abi_ulong arg2, + abi_long arg3) +{ + return get_errno(shmget(arg1, arg2, arg3)); +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 7404b0aa72..52cca2300f 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -547,6 +547,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, break; #endif =20 + case TARGET_FREEBSD_NR_shm_unlink: /* shm_unlink(2) */ + ret =3D do_bsd_shm_unlink(arg1); + break; + + case TARGET_FREEBSD_NR_shmget: /* shmget(2) */ + ret =3D do_bsd_shmget(arg1, arg2, arg3); + break; + /* * Misc */ --=20 2.42.0 From nobody Sun Feb 8 20:23:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32b.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694721924862100007 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 39 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 43 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index c362cc07a3..b82f3eaa25 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -305,4 +305,43 @@ static inline abi_long do_bsd_shmget(abi_long arg1, ab= i_ulong arg2, return get_errno(shmget(arg1, arg2, arg3)); } =20 +/* shmctl(2) */ +static inline abi_long do_bsd_shmctl(abi_long shmid, abi_long cmd, + abi_ulong buff) +{ + struct shmid_ds dsarg; + abi_long ret =3D -TARGET_EINVAL; + + cmd &=3D 0xff; + + switch (cmd) { + case IPC_STAT: + if (target_to_host_shmid_ds(&dsarg, buff)) { + return -TARGET_EFAULT; + } + ret =3D get_errno(shmctl(shmid, cmd, &dsarg)); + if (host_to_target_shmid_ds(buff, &dsarg)) { + return -TARGET_EFAULT; + } + break; + + case IPC_SET: + if (target_to_host_shmid_ds(&dsarg, buff)) { + return -TARGET_EFAULT; + } + ret =3D get_errno(shmctl(shmid, cmd, &dsarg)); + break; + + case IPC_RMID: + ret =3D get_errno(shmctl(shmid, cmd, NULL)); + break; + + default: + ret =3D -TARGET_EINVAL; + break; + } + + return ret; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 52cca2300f..35f94f51fc 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -555,6 +555,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_shmget(arg1, arg2, arg3); 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x336.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722158088100001 Content-Type: text/plain; charset="utf-8" From: Stacey Son Use `WITH_MMAP_LOCK_GUARD` instead of mmap_lock() and mmap_unlock(), to match linux-user implementation, according to the following commits: 69fa2708a216df715ba5102a0f98468b540a464e linux-user: Use WITH_MMAP_LOCK_GUA= RD in target_{shmat,shmdt} ceda5688b650646248f269a992c06b11148c5759 linux-user: Fix shmdt Signed-off-by: Stacey Son Signed-off-by: Karim Taha --- bsd-user/bsd-mem.h | 87 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 8 ++++ bsd-user/mmap.c | 2 +- bsd-user/qemu.h | 1 + 4 files changed, 97 insertions(+), 1 deletion(-) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index b82f3eaa25..c512a4e375 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -344,4 +344,91 @@ static inline abi_long do_bsd_shmctl(abi_long shmid, a= bi_long cmd, return ret; } =20 +/* shmat(2) */ +static inline abi_long do_bsd_shmat(int shmid, abi_ulong shmaddr, int shmf= lg) +{ + abi_ulong raddr; + abi_long ret; + struct shmid_ds shm_info; + + /* Find out the length of the shared memory segment. */ + ret =3D get_errno(shmctl(shmid, IPC_STAT, &shm_info)); + if (is_error(ret)) { + /* Can't get the length */ + return ret; + } + + if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) { + return -TARGET_EINVAL; + } + + WITH_MMAP_LOCK_GUARD() { + void *host_raddr; + + if (shmaddr) { + host_raddr =3D shmat(shmid, (void *)g2h_untagged(shmaddr), shm= flg); + } else { + abi_ulong mmap_start; + + mmap_start =3D mmap_find_vma(0, shm_info.shm_segsz); + + if (mmap_start =3D=3D -1) { + return -TARGET_ENOMEM; + } + host_raddr =3D shmat(shmid, g2h_untagged(mmap_start), + shmflg | SHM_REMAP); + } + + if (host_raddr =3D=3D (void *)-1) { + return get_errno(-1); + } + raddr =3D h2g(host_raddr); + + page_set_flags(raddr, raddr + shm_info.shm_segsz - 1, + PAGE_VALID | PAGE_RESET | PAGE_READ | + (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE)); + + for (int i =3D 0; i < N_BSD_SHM_REGIONS; i++) { + if (bsd_shm_regions[i].start =3D=3D 0) { + bsd_shm_regions[i].start =3D raddr; + bsd_shm_regions[i].size =3D shm_info.shm_segsz; + break; + } + } + } + + return raddr; +} + +/* shmdt(2) */ +static inline abi_long do_bsd_shmdt(abi_ulong shmaddr) +{ + abi_long ret; + + WITH_MMAP_LOCK_GUARD() { + int i; + + for (i =3D 0; i < N_BSD_SHM_REGIONS; ++i) { + if (bsd_shm_regions[i].start =3D=3D shmaddr) { + break; + } + } + + if (i =3D=3D N_BSD_SHM_REGIONS) { + return -TARGET_EINVAL; + } + + ret =3D get_errno(shmdt(g2h_untagged(shmaddr))); + if (ret =3D=3D 0) { + abi_ulong size =3D bsd_shm_regions[i].size; + + bsd_shm_regions[i].start =3D 0; + page_set_flags(shmaddr, shmaddr + size - 1, 0); + mmap_reserve(shmaddr, size); + } + } + + return ret; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 35f94f51fc..fe0968773e 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -559,6 +559,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_shmctl(arg1, arg2, arg3); break; =20 + case TARGET_FREEBSD_NR_shmat: /* shmat(2) */ + ret =3D do_bsd_shmat(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_shmdt: /* shmdt(2) */ + ret =3D do_bsd_shmdt(arg1); + break; + /* * Misc */ diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c index 8e148a2ea3..3ef11b2807 100644 --- a/bsd-user/mmap.c +++ b/bsd-user/mmap.c @@ -636,7 +636,7 @@ fail: return -1; } =20 -static void mmap_reserve(abi_ulong start, abi_ulong size) +void mmap_reserve(abi_ulong start, abi_ulong size) { abi_ulong real_start; abi_ulong real_end; diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index 6724bb9f0a..e9499b8dac 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -234,6 +234,7 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong ol= d_size, int target_msync(abi_ulong start, abi_ulong len, int flags); extern abi_ulong mmap_next_start; abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size); +void mmap_reserve(abi_ulong start, abi_ulong size); void TSA_NO_TSA mmap_fork_start(void); void TSA_NO_TSA mmap_fork_end(int child); 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x329.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1694722202902100002 Content-Type: text/plain; charset="utf-8" From: Warner Losh The above system calls are not supported by qemu. Signed-off-by: Warner Losh Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.h | 18 ++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 12 ++++++++++++ 2 files changed, 30 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index c512a4e375..c3e72e3b86 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -431,4 +431,22 @@ static inline abi_long do_bsd_shmdt(abi_ulong shmaddr) return ret; } =20 +static inline abi_long do_bsd_vadvise(void) +{ + /* See sys_ovadvise() in vm_unix.c */ + return -TARGET_EINVAL; +} + +static inline abi_long do_bsd_sbrk(void) +{ + /* see sys_sbrk() in vm_mmap.c */ + return -TARGET_EOPNOTSUPP; +} + +static inline abi_long do_bsd_sstk(void) +{ + /* see sys_sstk() in vm_mmap.c */ + return -TARGET_EOPNOTSUPP; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index fe0968773e..9647249e90 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -567,6 +567,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_shmdt(arg1); break; =20 + case TARGET_FREEBSD_NR_freebsd11_vadvise: + ret =3D do_bsd_vadvise(); + break; + + case TARGET_FREEBSD_NR_sbrk: + ret =3D do_bsd_sbrk(); + break; + + case TARGET_FREEBSD_NR_sstk: + ret =3D do_bsd_sstk(); + break; + /* * Misc */ --=20 2.42.0