From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Triplett Subject: [PATCH] Define __SIZEOF_POINTER__ Date: Thu, 18 Apr 2013 12:14:30 -0700 Message-ID: <20130418191428.GA19319@jtriplet-mobl1> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from relay4-d.mail.gandi.net ([217.70.183.196]:50156 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752602Ab3DRTOg (ORCPT ); Thu, 18 Apr 2013 15:14:36 -0400 Content-Disposition: inline Sender: linux-sparse-owner@vger.kernel.org List-Id: linux-sparse@vger.kernel.org To: linux-sparse@vger.kernel.org Cc: Christopher Li GCC defines a macro __SIZEOF_POINTER__ to the size of a pointer in bytes. Define it in sparse as well. Signed-off-by: Josh Triplett --- cgcc | 15 ++++++++++----- lib.c | 1 + 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/cgcc b/cgcc index 6636cc6..c075e5f 100755 --- a/cgcc +++ b/cgcc @@ -240,27 +240,32 @@ sub add_specs { return (' -Di386=1 -D__i386=1 -D__i386__=1' . &integer_types (8, 16, 32, $m64 ? 64 : 32, 64) . &float_types (1, 1, 21, [24,8], [53,11], [64,15]) . - &define_size_t ($m64 ? "long unsigned int" : "unsigned int")); + &define_size_t ($m64 ? "long unsigned int" : "unsigned int") . + ' -D__SIZEOF_POINTER__=' . ($m64 ? '8' : '4')); } elsif ($spec eq 'sparc') { return (' -Dsparc=1 -D__sparc=1 -D__sparc__=1' . &integer_types (8, 16, 32, $m64 ? 64 : 32, 64) . &float_types (1, 1, 33, [24,8], [53,11], [113,15]) . - &define_size_t ($m64 ? "long unsigned int" : "unsigned int")); + &define_size_t ($m64 ? "long unsigned int" : "unsigned int") . + ' -D__SIZEOF_POINTER__=' . ($m64 ? '8' : '4')); } elsif ($spec eq 'sparc64') { return (' -Dsparc=1 -D__sparc=1 -D__sparc__=1 -D__sparcv9__=1 -D__sparc64__=1 -D__arch64__=1 -D__LP64__=1' . &integer_types (8, 16, 32, 64, 64, 128) . &float_types (1, 1, 33, [24,8], [53,11], [113,15]) . - &define_size_t ("long unsigned int")); + &define_size_t ("long unsigned int") . + ' -D__SIZEOF_POINTER__=8'); } elsif ($spec eq 'x86_64') { return (' -Dx86_64=1 -D__x86_64=1 -D__x86_64__=1' . ($m32 ? '' : ' -D__LP64__=1') . &integer_types (8, 16, 32, $m32 ? 32 : 64, 64, 128) . &float_types (1, 1, 33, [24,8], [53,11], [113,15]) . - &define_size_t ($m32 ? "unsigned int" : "long unsigned int")); + &define_size_t ($m32 ? "unsigned int" : "long unsigned int") . + ' -D__SIZEOF_POINTER__=' . ($m32 ? '4' : '8')); } elsif ($spec eq 'ppc') { return (' -D__powerpc__=1 -D_BIG_ENDIAN -D_STRING_ARCH_unaligned=1' . &integer_types (8, 16, 32, $m64 ? 64 : 32, 64) . &float_types (1, 1, 21, [24,8], [53,11], [113,15]) . - &define_size_t ($m64 ? "long unsigned int" : "unsigned int")); + &define_size_t ($m64 ? "long unsigned int" : "unsigned int") . + ' -D__SIZEOF_POINTER__=' . ($m64 ? '8' : '4')); } elsif ($spec eq 'host_os_specs') { my $os = `uname -s`; chomp $os; diff --git a/lib.c b/lib.c index 4f69e11..98a5515 100644 --- a/lib.c +++ b/lib.c @@ -863,6 +863,7 @@ void create_builtin_stream(void) add_pre_buffer("#weak_define __LONG_MAX__ " STRINGIFY(__LONG_MAX__) "\n"); add_pre_buffer("#weak_define __LONG_LONG_MAX__ " STRINGIFY(__LONG_LONG_MAX__) "\n"); add_pre_buffer("#weak_define __WCHAR_MAX__ " STRINGIFY(__WCHAR_MAX__) "\n"); + add_pre_buffer("#weak_define __SIZEOF_POINTER__ " STRINGIFY(__SIZEOF_POINTER__) "\n"); } static struct symbol_list *sparse_tokenstream(struct token *token) -- 1.7.10.4