From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59641) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f2weK-00071f-T0 for qemu-devel@nongnu.org; Mon, 02 Apr 2018 06:25:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f2weH-0001jM-MA for qemu-devel@nongnu.org; Mon, 02 Apr 2018 06:25:16 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:58277) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f2weH-0001iW-CD for qemu-devel@nongnu.org; Mon, 02 Apr 2018 06:25:13 -0400 From: Laurent Vivier Date: Mon, 2 Apr 2018 12:24:52 +0200 Message-Id: <20180402102453.9883-2-laurent@vivier.eu> In-Reply-To: <20180402102453.9883-1-laurent@vivier.eu> References: <20180402102453.9883-1-laurent@vivier.eu> Subject: [Qemu-devel] [PATCH 1/2] linux-user: define TARGET_ARCH_HAS_KA_RESTORER List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Laurent Vivier , Riku Voipio Sparc as an extended sigaction structure containing the field ka_restorer used in place of sa_restorer. Define TARGET_ARCH_HAS_KA_RESTORER and use it with sparc. Signed-off-by: Laurent Vivier --- linux-user/signal.c | 4 ++-- linux-user/syscall.c | 7 +++++-- linux-user/syscall_defs.h | 4 ++++ 3 files changed, 11 insertions(+), 4 deletions(-) diff --git a/linux-user/signal.c b/linux-user/signal.c index 2ea3e0321f..2b9752b40b 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -2920,8 +2920,8 @@ static void setup_frame(int sig, struct target_sigaction *ka, env->pc = ka->_sa_handler; env->npc = (env->pc + 4); /* 5. return to kernel instructions */ - if (ka->sa_restorer) { - env->regwptr[UREG_I7] = ka->sa_restorer; + if (ka->ka_restorer) { + env->regwptr[UREG_I7] = ka->ka_restorer; } else { uint32_t val32; diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 889abbda1e..b8353d8f13 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8699,6 +8699,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, target_siginitset(&act.sa_mask, old_act->sa_mask); act.sa_flags = old_act->sa_flags; act.sa_restorer = old_act->sa_restorer; +#ifdef TARGET_ARCH_HAS_KA_RESTORER + act.ka_restorer = 0; +#endif unlock_user_struct(old_act, arg2, 0); pact = &act; } else { @@ -8773,8 +8776,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { goto efault; } -#ifdef TARGET_SPARC - act->sa_restorer = restorer; +#ifdef TARGET_ARCH_HAS_KA_RESTORER + act->ka_restorer = restorer; #endif } else { act = NULL; diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 13fe840239..7473be518b 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -435,6 +435,7 @@ int do_sigaction(int sig, const struct target_sigaction *act, #define TARGET_SA_NODEFER 0x20u #define TARGET_SA_RESETHAND 4u #define TARGET_ARCH_HAS_SA_RESTORER 1 +#define TARGET_ARCH_HAS_KA_RESTORER 1 #elif defined(TARGET_MIPS) #define TARGET_SA_NOCLDSTOP 0x00000001 #define TARGET_SA_NOCLDWAIT 0x00010000 @@ -742,6 +743,9 @@ struct target_sigaction { abi_ulong sa_restorer; #endif target_sigset_t sa_mask; +#ifdef TARGET_ARCH_HAS_KA_RESTORER + abi_ulong ka_restorer; +#endif }; #endif -- 2.14.3