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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id w5sm13526852ilu.83.2022.02.01.03.15.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Feb 2022 03:15:07 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH 19/22] bsd-user: Add safe system call macros Date: Tue, 1 Feb 2022 04:14:52 -0700 Message-Id: <20220201111455.52511-20-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220201111455.52511-1-imp@bsdimp.com> References: <20220201111455.52511-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::d2c (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::d2c; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2c.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: Peter Maydell , arrowd@FreeBSD.org, Kyle Evans , Richard Henderson , def@FreeBSD.org, jrtc27@FreeBSD.org, Warner Losh , Brad Smith Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add a series of macros to create system call macros that go via the safe_syscall path. Signed-off-by: Kyle Evans Signed-off-by: Warner Losh --- bsd-user/syscall_defs.h | 47 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 62b472b990b..c3bf14f38f4 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -179,4 +179,51 @@ struct target_freebsd__wrusage { struct target_freebsd_rusage wru_children; }; +#define safe_syscall0(type, name) \ +type safe_##name(void) \ +{ \ + return safe_syscall(SYS_##name); \ +} + +#define safe_syscall1(type, name, type1, arg1) \ +type safe_##name(type1 arg1) \ +{ \ + return safe_syscall(SYS_##name, arg1); \ +} + +#define safe_syscall2(type, name, type1, arg1, type2, arg2) \ +type safe_##name(type1 arg1, type2 arg2) \ +{ \ + return safe_syscall(SYS_##name, arg1, arg2); \ +} + +#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ +type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ +{ \ + return safe_syscall(SYS_##name, arg1, arg2, arg3); \ +} + +#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ + type4, arg4) \ +type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ + return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \ +} + +#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ + type4, arg4, type5, arg5) \ +type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) \ +{ \ + return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \ +} + +#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ + type4, arg4, type5, arg5, type6, arg6) \ +type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) \ +{ \ + return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ +} + #endif /* ! _SYSCALL_DEFS_H_ */ -- 2.33.1