patches/glibc/2.9/450-alpha-glibc-2.5-no-page-header.patch
author Titus von Boxberg <titus@v9g.de>
Sat Aug 21 16:46:24 2010 +0200 (2010-08-21)
changeset 2090 e3771cd6e420
parent 1201 c9967a6e3b25
permissions -rw-r--r--
libc/glibc: repair debugging with gdb (glibc 2.9)

Without this patch, crosstool-ng-built glibc-2.9 prevents
debugging any exeutable with gdb.
gdb says:
[Thread debugging using libthread_db enabled]
find_new_threads_callback: cannot get thread info: generic error
See also https://bugzilla.redhat.com/show_bug.cgi?id=487212
for a discussion of the bug and the solution.
     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)