From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50191) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bh7GR-0003Eh-Br for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:41:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bh7GI-0007vn-5D for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:41:35 -0400 From: David Gibson Date: Tue, 6 Sep 2016 13:43:08 +1000 Message-Id: <1473133396-18940-59-git-send-email-david@gibson.dropbear.id.au> In-Reply-To: <1473133396-18940-1-git-send-email-david@gibson.dropbear.id.au> References: <1473133396-18940-1-git-send-email-david@gibson.dropbear.id.au> Subject: [Qemu-devel] [PULL 58/66] ppc: Fix catching some segfaults in user mode List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linaro.org Cc: agraf@suse.de, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, Benjamin Herrenschmidt , David Gibson From: Benjamin Herrenschmidt The usermode "translate" code generates an error code value that has the "is_write" bit set, which causes our switch/case to miss and display "Invalid segfault errno" and a spurrious second state dump. Fix it. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: David Gibson --- linux-user/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/linux-user/main.c b/linux-user/main.c index d112834..32070a4 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -1656,6 +1656,7 @@ void cpu_loop(CPUPPCState *env) /* XXX: check this. Seems bugged */ switch (env->error_code & 0xFF000000) { case 0x40000000: + case 0x42000000: info.si_signo = TARGET_SIGSEGV; info.si_errno = 0; info.si_code = TARGET_SEGV_MAPERR; -- 2.7.4