crosstool-ng: patches/glibc/ports-2.13/450-alpha-DEFAULT_STACK

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 2011-02-28  Aurelien Jarno  <aurelien@aurel32.net>

     3 	* sysdeps/alpha/stackinfo.h: Define DEFAULT_STACK_PERMS with PF_X.

     5 diff --git glibc-2.13/glibc-ports-2.13/sysdeps/alpha/stackinfo.h glibc-2.13/glibc-ports-2.13/sysdeps/alpha/stackinfo.h

     6 index 0a281bd..d9dbc35 100644

     7 --- glibc-2.13/glibc-ports-2.13/sysdeps/alpha/stackinfo.h

     8 +++ glibc-2.13/glibc-ports-2.13/sysdeps/alpha/stackinfo.h

     9 @@ -22,7 +22,13 @@

    10  #ifndef _STACKINFO_H

    11  #define _STACKINFO_H	1

    13 +#include <elf.h>

    14 +

    15  /* On Alpha the stack grows down.  */

    16  #define _STACK_GROWS_DOWN	1

    18 +/* Default to an executable stack.  PF_X can be overridden if PT_GNU_STACK is

    19 + * present, but it is presumed absent.  */

    20 +#define DEFAULT_STACK_PERMS (PF_R|PF_W|PF_X)

    21 +

    22  #endif	/* stackinfo.h */

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jul 17 22:46:47 2011 +0200 (2011-07-17)
changeset 2892	aa934ec4b4ee
permissions	-rw-r--r--