From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37320) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UwYlN-00058b-6R for qemu-devel@nongnu.org; Tue, 09 Jul 2013 10:19:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UwYlH-0002H1-6a for qemu-devel@nongnu.org; Tue, 09 Jul 2013 10:19:29 -0400 Received: from mail-pd0-x234.google.com ([2607:f8b0:400e:c02::234]:48318) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UwYlH-0002Fs-1G for qemu-devel@nongnu.org; Tue, 09 Jul 2013 10:19:23 -0400 Received: by mail-pd0-f180.google.com with SMTP id 10so5230765pdi.39 for ; Tue, 09 Jul 2013 07:19:22 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Tue, 9 Jul 2013 07:18:34 -0700 Message-Id: <1373379515-28596-15-git-send-email-rth@twiddle.net> In-Reply-To: <1373379515-28596-1-git-send-email-rth@twiddle.net> References: <1373379515-28596-1-git-send-email-rth@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 14/15] 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 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