Hi, This patch adds x32 support to boehm-gc. The same patch has been sent to the boehm-gc mailing list. Tested on Linux/x32 and Linux/x86-64. OK for trunk?
Thanks. H.J. ----- Forwarded message from "H.J. Lu" <hongjiu...@intel.com> ----- Date: Mon, 16 Apr 2012 09:39:20 -0700 From: "H.J. Lu" <hongjiu...@intel.com> To: "H.J. Lu" <hjl.to...@gmail.com> Cc: hans_bo...@hp.com, g...@linux.hpl.hp.com Subject: [bdwgc] PATCH: Add x32 support User-Agent: Mutt/1.5.21 (2010-09-15) Hi, Here are 2 small patches to add x32 support to bdwgc. X32 info can be found at https://sites.google.com/site/x32abi/ They are fully tested on Linux/x32 and Linux/x86-64. Thanks. H.J. --- >From 16ea9de35f16f0859c40862f8ef310c0dde6082c Mon Sep 17 00:00:00 2001 From: "H.J. Lu" <hjl.to...@gmail.com> Date: Mon, 16 Apr 2012 09:26:07 -0700 Subject: [PATCH 1/2] Define ALIGNMENT and CPP_WORDSZ for x32 * include/private/gcconfig.h: (ALIGNMENT): Set to 4 for x32. (CPP_WORDSZ): Set to 32 for x32. diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h index a163e47..918d100 100644 --- a/include/private/gcconfig.h +++ b/include/private/gcconfig.h @@ -2117,8 +2117,13 @@ # ifdef X86_64 # define MACH_TYPE "X86_64" -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 +# ifdef __ILP32__ +# define ALIGNMENT 4 +# define CPP_WORDSZ 32 +# else +# define ALIGNMENT 8 +# define CPP_WORDSZ 64 +# endif # ifndef HBLKSIZE # define HBLKSIZE 4096 # endif -- 1.7.6.5
