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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id b10sm4811155pff.85.2020.09.12.04.08.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Sep 2020 04:08:23 -0700 (PDT) From: Kees Cook To: linux-kernel@vger.kernel.org Subject: [PATCH 03/15] selftests/seccomp: mips: Define SYSCALL_NUM_SET macro Date: Sat, 12 Sep 2020 04:08:08 -0700 Message-Id: <20200912110820.597135-4-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200912110820.597135-1-keescook@chromium.org> References: <20200912110820.597135-1-keescook@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thadeu Lima de Souza Cascardo , Will Drewry , Kees Cook , linux-xtensa@linux-xtensa.org, linux-mips@vger.kernel.org, Andy Lutomirski , Max Filippov , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Christian Brauner Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Remove the mips special-case in change_syscall(). Signed-off-by: Kees Cook --- tools/testing/selftests/seccomp/seccomp_bpf.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 1c83e743bfb1..02a9a6599746 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1742,6 +1742,13 @@ TEST_F(TRACE_poke, getpid_runs_normally) # define ARCH_REGS struct pt_regs # define SYSCALL_NUM(_regs) (_regs).regs[2] # define SYSCALL_SYSCALL_NUM regs[4] +# define SYSCALL_NUM_SET(_regs, _nr) \ + do { \ + if ((_regs).regs[2] == __NR_O32_Linux) \ + (_regs).regs[4] = _nr; \ + else \ + (_regs).regs[2] = _nr; \ + } while (0) # define SYSCALL_RET(_regs) (_regs).regs[2] # define SYSCALL_NUM_RET_SHARE_REG #elif defined(__xtensa__) @@ -1839,17 +1846,11 @@ void change_syscall(struct __test_metadata *_metadata, #if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \ defined(__s390__) || defined(__hppa__) || defined(__riscv) || \ - defined(__xtensa__) || defined(__csky__) || defined(__sh__) + defined(__xtensa__) || defined(__csky__) || defined(__sh__) || \ + defined(__mips__) { SYSCALL_NUM_SET(regs, syscall); } -#elif defined(__mips__) - { - if (SYSCALL_NUM(regs) == __NR_O32_Linux) - regs.SYSCALL_SYSCALL_NUM = syscall; - else - SYSCALL_NUM_SET(regs, syscall); - } #elif defined(__arm__) # ifndef PTRACE_SET_SYSCALL -- 2.25.1