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patches/glibc/2.9/450-alpha-glibc-2.5-no-page-header.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 22:46:47 2011 +0200 (2011-07-17)
changeset 2892 aa934ec4b4ee
parent 1201 c9967a6e3b25
permissions -rw-r--r--
cc/gcc: add the backend/frontend infra for final gcc

Currently, we issue the bare-metal compiler from the pass_1 & pass_2
core compilers, because the final gcc breaks while doing so.

This implies we have to build some libces during the start_files step,
instead of the standard libc step. This is the case for newlib.

By adding a backend/frontend infra to the final gcc, we can abstract
what backend to call: the standard backend for non-bare-metal gcc,
and the core backend for bare-metal.

This patch is just an no-op, it just adds the final backend and
frontend without changing the way bare-metal is built, to come in a
subsequent patch.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/6015_all_alpha-glibc-2.5-no-page-header.patch

     2 

     3 -= BEGIN original header =-

     4 2008-06-07  Mike Frysinger  <vapier@gentoo.org>

     5 

     6 	* sysdeps/unix/sysv/linux/alpha/sys/user.h: Copy page.h definitions

     7 	from the kernel header to sys/user.h and remove the #include of

     8 	sys/user.h.

     9 

    10 -= END original header =-

    11 

    12 diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/alpha/sys/user.h glibc-2_9/sysdeps/unix/sysv/linux/alpha/sys/user.h

    13 --- glibc-2_9.orig/sysdeps/unix/sysv/linux/alpha/sys/user.h	2001-07-06 06:56:13.000000000 +0200

    14 +++ glibc-2_9/sysdeps/unix/sysv/linux/alpha/sys/user.h	2009-02-02 22:01:32.000000000 +0100

    15 @@ -23,7 +23,6 @@

    16     only. Don't read too much into it. Don't use it for anything other

    17     than gdb/strace unless you know what you are doing. */

    18  

    19 -#include <asm/page.h>

    20  #include <asm/reg.h>

    21  

    22  struct user

    23 @@ -41,6 +40,9 @@

    24    char u_comm[32];				/* user command name */

    25  };

    26  

    27 +#define PAGE_SHIFT		13

    28 +#define PAGE_SIZE		(1 << PAGE_SHIFT)

    29 +#define PAGE_MASK		(~(PAGE_SIZE-1))

    30  #define NBPG			PAGE_SIZE

    31  #define UPAGES			1

    32  #define HOST_TEXT_START_ADDR	(u.start_code)
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