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X-Received-From: 2607:f8b0:4864:20::644 Subject: [Qemu-devel] [PATCH v6 40/49] linux-user: Split out kill 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- linux-user/syscall-defs.h | 1 + linux-user/syscall.h | 7 +++- linux-user/strace.c | 76 ++++++++++++++++++------------------ linux-user/syscall-sig.inc.c | 5 +++ linux-user/syscall.c | 2 - linux-user/strace.list | 3 -- 6 files changed, 48 insertions(+), 46 deletions(-) diff --git a/linux-user/syscall-defs.h b/linux-user/syscall-defs.h index 497fbdba66..c672b5ad99 100644 --- a/linux-user/syscall-defs.h +++ b/linux-user/syscall-defs.h @@ -58,6 +58,7 @@ SYSCALL_DEF(getxpid); #ifdef TARGET_NR_ipc SYSCALL_DEF_ARGS(ipc, ARG_HEX, ARG_DEC, ARG_DEC, ARG_HEX, ARG_PTR, ARG_HEX= ); #endif +SYSCALL_DEF(kill, ARG_DEC, ARG_SIGNAL); #ifdef TARGET_NR_link SYSCALL_DEF(link, ARG_STR, ARG_STR); #endif diff --git a/linux-user/syscall.h b/linux-user/syscall.h index 84a52b2d9a..642fb6dccb 100644 --- a/linux-user/syscall.h +++ b/linux-user/syscall.h @@ -55,8 +55,12 @@ typedef enum { ARG_HEX, ARG_OCT, =20 - /* These print as sets of flags. */ + /* These numbers are interpreted. */ ARG_ATDIRFD, + ARG_SIGNAL, + ARG_LSEEKWHENCE, + + /* These print as sets of flags. */ ARG_ACCESSFLAG, ARG_ATFLAG, ARG_CLONEFLAG, @@ -67,7 +71,6 @@ typedef enum { ARG_OPENFLAG, ARG_UMOUNTFLAG, ARG_UNLINKATFLAG, - ARG_LSEEKWHENCE, =20 /* These are interpreted as pointers. */ ARG_PTR, diff --git a/linux-user/strace.c b/linux-user/strace.c index da2cc30f82..ec36fcf2c2 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -70,35 +70,43 @@ UNUSED static void print_socket_protocol(int domain, in= t type, int protocol); /* * Utility functions */ +static int +add_signal(char *buf, int size, int sig) +{ + static const char * const signals[] =3D { + [TARGET_SIGHUP] =3D "SIGHUP", + [TARGET_SIGINT] =3D "SIGINT", + [TARGET_SIGQUIT] =3D "SIGQUIT", + [TARGET_SIGILL] =3D "SIGILL", + [TARGET_SIGABRT] =3D "SIGABRT", + [TARGET_SIGFPE] =3D "SIGFPE", + [TARGET_SIGKILL] =3D "SIGKILL", + [TARGET_SIGSEGV] =3D "SIGSEGV", + [TARGET_SIGPIPE] =3D "SIGPIPE", + [TARGET_SIGALRM] =3D "SIGALRM", + [TARGET_SIGTERM] =3D "SIGTERM", + [TARGET_SIGUSR1] =3D "SIGUSR1", + [TARGET_SIGUSR2] =3D "SIGUSR2", + [TARGET_SIGCHLD] =3D "SIGCHLD", + [TARGET_SIGCONT] =3D "SIGCONT", + [TARGET_SIGSTOP] =3D "SIGSTOP", + [TARGET_SIGTTIN] =3D "SIGTTIN", + [TARGET_SIGTTOU] =3D "SIGTTOU", + }; + + if (sig >=3D 0 && sig < ARRAY_SIZE(signals) && signals[sig]) { + return snprintf(buf, size, "%s", signals[sig]); + } else { + return snprintf(buf, size, "%d", sig); + } +} + static void print_signal(abi_ulong arg, int last) { - const char *signal_name =3D NULL; - switch(arg) { - case TARGET_SIGHUP: signal_name =3D "SIGHUP"; break; - case TARGET_SIGINT: signal_name =3D "SIGINT"; break; - case TARGET_SIGQUIT: signal_name =3D "SIGQUIT"; break; - case TARGET_SIGILL: signal_name =3D "SIGILL"; break; - case TARGET_SIGABRT: signal_name =3D "SIGABRT"; break; - case TARGET_SIGFPE: signal_name =3D "SIGFPE"; break; - case TARGET_SIGKILL: signal_name =3D "SIGKILL"; break; - case TARGET_SIGSEGV: signal_name =3D "SIGSEGV"; break; - case TARGET_SIGPIPE: signal_name =3D "SIGPIPE"; break; - case TARGET_SIGALRM: signal_name =3D "SIGALRM"; break; - case TARGET_SIGTERM: signal_name =3D "SIGTERM"; break; - case TARGET_SIGUSR1: signal_name =3D "SIGUSR1"; break; - case TARGET_SIGUSR2: signal_name =3D "SIGUSR2"; break; - case TARGET_SIGCHLD: signal_name =3D "SIGCHLD"; break; - case TARGET_SIGCONT: signal_name =3D "SIGCONT"; break; - case TARGET_SIGSTOP: signal_name =3D "SIGSTOP"; break; - case TARGET_SIGTTIN: signal_name =3D "SIGTTIN"; break; - case TARGET_SIGTTOU: signal_name =3D "SIGTTOU"; break; - } - if (signal_name =3D=3D NULL) { - print_raw_param("%ld", arg, last); - return; - } - gemu_log("%s%s", signal_name, get_comma(last)); + char buf[16]; + add_signal(buf, sizeof(buf), arg); + gemu_log("%s%s", buf, get_comma(last)); } =20 static void print_si_code(int arg) @@ -2032,19 +2040,6 @@ print_futex(const struct syscallname *name, } #endif =20 -#ifdef TARGET_NR_kill -static void -print_kill(const struct syscallname *name, - abi_long arg0, abi_long arg1, abi_long arg2, - abi_long arg3, abi_long arg4, abi_long arg5) -{ - print_syscall_prologue(name); - print_raw_param("%d", arg0, 0); - print_signal(arg1, 1); - print_syscall_epilogue(name); -} -#endif - #ifdef TARGET_NR_tkill static void print_tkill(const struct syscallname *name, @@ -2178,6 +2173,9 @@ static void print_syscall_def1(const SyscallDef *def,= int64_t args[6]) case ARG_ATDIRFD: len =3D add_atdirfd(b, rest, arg); break; + case ARG_SIGNAL: + len =3D add_signal(b, rest, arg); + break; case ARG_ACCESSFLAG: len =3D add_flags(b, rest, access_flags, arg, false); break; diff --git a/linux-user/syscall-sig.inc.c b/linux-user/syscall-sig.inc.c index f4e43eb00e..a4fbcc567d 100644 --- a/linux-user/syscall-sig.inc.c +++ b/linux-user/syscall-sig.inc.c @@ -23,6 +23,11 @@ SYSCALL_IMPL(alarm) } #endif =20 +SYSCALL_IMPL(kill) +{ + return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); +} + #ifdef TARGET_NR_pause SYSCALL_IMPL(pause) { diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 6668e4ada8..fef955ce66 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5338,8 +5338,6 @@ static abi_long do_syscall1(void *cpu_env, int num, a= bi_long arg1, void *p; =20 switch(num) { - case TARGET_NR_kill: - return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); #ifdef TARGET_NR_rename case TARGET_NR_rename: { diff --git a/linux-user/strace.list b/linux-user/strace.list index 56f25c15b7..b120f11dc2 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -410,9 +410,6 @@ #ifdef TARGET_NR_keyctl { TARGET_NR_keyctl, "keyctl" , NULL, NULL, NULL }, #endif -#ifdef TARGET_NR_kill -{ TARGET_NR_kill, "kill", NULL, print_kill, NULL }, -#endif #ifdef TARGET_NR_lchown { TARGET_NR_lchown, "lchown" , NULL, NULL, NULL }, #endif --=20 2.17.2