From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50710) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UuUd2-0003Xo-GY for qemu-devel@nongnu.org; Wed, 03 Jul 2013 17:30:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UuUd0-00062J-9F for qemu-devel@nongnu.org; Wed, 03 Jul 2013 17:30:20 -0400 Received: from mail-pd0-x229.google.com ([2607:f8b0:400e:c02::229]:52011) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UuUd0-000628-1y for qemu-devel@nongnu.org; Wed, 03 Jul 2013 17:30:18 -0400 Received: by mail-pd0-f169.google.com with SMTP id y10so469092pdj.0 for ; Wed, 03 Jul 2013 14:30:17 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Wed, 3 Jul 2013 14:29:27 -0700 Message-Id: <1372886968-17497-14-git-send-email-rth@twiddle.net> In-Reply-To: <1372886968-17497-1-git-send-email-rth@twiddle.net> References: <1372886968-17497-1-git-send-email-rth@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v3 13/14] tcg-i386: Use QEMU_BUILD_BUG_ON instead of assert for frame size List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, claudio.fontana@huawei.com, afaerber@suse.de We can check the condition at compile time, rather than run time. Reviewed-by: Andreas Färber Signed-off-by: Richard Henderson --- tcg/i386/tcg-target.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index ae3de09..87eeab3 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -2318,6 +2318,9 @@ typedef struct { uint8_t fde_reg_ofs[14]; } DebugFrame; +/* We're expecting a 2 byte uleb128 encoded value. */ +QEMU_BUILD_BUG_ON(FRAME_SIZE >= (1 << 14)); + #if !defined(__ELF__) /* Host machine without ELF. */ #elif TCG_TARGET_REG_BITS == 64 @@ -2381,9 +2384,6 @@ static DebugFrame debug_frame = { #if defined(ELF_HOST_MACHINE) void tcg_register_jit(void *buf, size_t buf_size) { - /* We're expecting a 2 byte uleb128 encoded value. */ - assert(FRAME_SIZE >> 14 == 0); - debug_frame.fde.func_start = (tcg_target_long) buf; debug_frame.fde.func_len = buf_size; -- 1.8.1.4