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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 22:43:07 2011 +0200 (2011-07-17)
changeset 2893 a8a65758664f
parent 1201 c9967a6e3b25
permissions -rw-r--r--
cc/gcc: do not use the core pass-2 to build the baremetal compiler

In case we build a baremetal compiler, use the standard passes:
- core_cc is used to build the C library;
- as such, it is meant to run on build, not host;
- the final compiler is meant to run on host;

As the current final compiler step can not build a baremetal compiler,
call the core backend from the final step.

NB: Currently, newlib is built during the start_files pass, so we have
to have a core compiler by then... Once we can build the baremetal
compiler from the final cc step, then we can move the newlib build to
the proper step, and then get rid of the core pass-1 static compiler...

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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