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([2602:47:d49d:ec01:2fa6:2ab5:a96e:2a35]) by smtp.gmail.com with ESMTPSA id ik30-20020a170902ab1e00b0016bdc98730bsm6035139plb.151.2022.08.28.19.10.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Aug 2022 19:10:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: laurent@vivier.eu Subject: [PATCH 6/8] linux-user: Update print_futex_op Date: Sun, 28 Aug 2022 19:10:04 -0700 Message-Id: <20220829021006.67305-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220829021006.67305-1-richard.henderson@linaro.org> References: <20220829021006.67305-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Use a table for the names; print unknown values in hex, since the value contains flags. Signed-off-by: Richard Henderson --- linux-user/strace.c | 65 ++++++++++++++++++++------------------------- 1 file changed, 29 insertions(+), 36 deletions(-) diff --git a/linux-user/strace.c b/linux-user/strace.c index 7d882526da..8eadbed39e 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -3576,44 +3576,37 @@ print_munmap(CPUArchState *cpu_env, const struct syscallname *name, #endif #ifdef TARGET_NR_futex -static void print_futex_op(abi_long tflag, int last) +static void print_futex_op(int cmd, int last) { -#define print_op(val) \ -if( cmd == val ) { \ - qemu_log(#val); \ - return; \ -} + static const char * const futex_names[] = { +#define NAME(X) [X] = #X + NAME(FUTEX_WAIT), + NAME(FUTEX_WAKE), + NAME(FUTEX_FD), + NAME(FUTEX_REQUEUE), + NAME(FUTEX_CMP_REQUEUE), + NAME(FUTEX_WAKE_OP), + NAME(FUTEX_LOCK_PI), + NAME(FUTEX_UNLOCK_PI), + NAME(FUTEX_TRYLOCK_PI), + NAME(FUTEX_WAIT_BITSET), + NAME(FUTEX_WAKE_BITSET), + NAME(FUTEX_WAIT_REQUEUE_PI), + NAME(FUTEX_CMP_REQUEUE_PI), + NAME(FUTEX_LOCK_PI2), +#undef NAME + }; - int cmd = (int)tflag; -#ifdef FUTEX_PRIVATE_FLAG - if (cmd & FUTEX_PRIVATE_FLAG) { - qemu_log("FUTEX_PRIVATE_FLAG|"); - cmd &= ~FUTEX_PRIVATE_FLAG; + unsigned base_cmd = cmd & FUTEX_CMD_MASK; + + if (base_cmd < ARRAY_SIZE(futex_names)) { + qemu_log("%s%s%s", + (cmd & FUTEX_PRIVATE_FLAG ? "FUTEX_PRIVATE_FLAG|" : ""), + (cmd & FUTEX_CLOCK_REALTIME ? "FUTEX_CLOCK_REALTIME|" : ""), + futex_names[base_cmd]); + } else { + qemu_log("0x%x", cmd); } -#endif -#ifdef FUTEX_CLOCK_REALTIME - if (cmd & FUTEX_CLOCK_REALTIME) { - qemu_log("FUTEX_CLOCK_REALTIME|"); - cmd &= ~FUTEX_CLOCK_REALTIME; - } -#endif - print_op(FUTEX_WAIT) - print_op(FUTEX_WAKE) - print_op(FUTEX_FD) - print_op(FUTEX_REQUEUE) - print_op(FUTEX_CMP_REQUEUE) - print_op(FUTEX_WAKE_OP) - print_op(FUTEX_LOCK_PI) - print_op(FUTEX_UNLOCK_PI) - print_op(FUTEX_TRYLOCK_PI) -#ifdef FUTEX_WAIT_BITSET - print_op(FUTEX_WAIT_BITSET) -#endif -#ifdef FUTEX_WAKE_BITSET - print_op(FUTEX_WAKE_BITSET) -#endif - /* unknown values */ - qemu_log("%d", cmd); } static void @@ -3625,7 +3618,7 @@ print_futex(CPUArchState *cpu_env, const struct syscallname *name, print_pointer(arg0, 0); print_futex_op(arg1, 0); print_raw_param(",%d", arg2, 0); - print_pointer(arg3, 0); /* struct timespec */ + print_pointer(arg3, 0); /* struct timespec or val2 */ print_pointer(arg4, 0); print_raw_param("%d", arg4, 1); print_syscall_epilogue(name); -- 2.34.1