patches/glibc/ports-2.10.1/170-localedef-fix-trampoline.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Feb 21 23:39:46 2011 +0100 (2011-02-21)
changeset 2312 8b9938edd3d8
permissions -rw-r--r--
libc/glibc: add fortify option

By default, recent versions of glibc and eglibc will build some
functions that take format strings (eg. printf, syslog...) with
run-time checks against some format string attacks. This is
called a fortified build.

Unfortunately, this fails somehow while building the instrumented
version of syslog, with some kind of circular dependency...

Disable fortified builds by default, and hide the enabling option
behind EXPERIMENTAL for daring users...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 #! /bin/sh -e
     2 
     3 # DP: Description: Fix localedef segfault when run under exec-shield,
     4 #        PaX or similar. (#231438, #198099)
     5 # DP: Dpatch Author: James Troup <james@nocrew.org>
     6 # DP: Patch Author: (probably) Jakub Jelinek <jakub@redhat.com>
     7 # DP: Upstream status: Unknown
     8 # DP: Status Details: Unknown
     9 # DP: Date: 2004-03-16
    10 
    11 if [ $# -ne 2 ]; then
    12     echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
    13     exit 1
    14 fi
    15 case "$1" in
    16     -patch) patch -d "$2" -f --no-backup-if-mismatch -p1 < $0;;
    17     -unpatch) patch -d "$2" -f --no-backup-if-mismatch -R -p1 < $0;;
    18     *)
    19 	echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
    20 	exit 1
    21 esac
    22 exit 0
    23 
    24 diff -durN glibc-2.10.1.orig/locale/programs/3level.h glibc-2.10.1/locale/programs/3level.h
    25 --- glibc-2.10.1.orig/locale/programs/3level.h	2007-07-16 02:54:59.000000000 +0200
    26 +++ glibc-2.10.1/locale/programs/3level.h	2009-11-13 00:49:56.000000000 +0100
    27 @@ -203,6 +203,42 @@
    28  	}
    29      }
    30  }
    31 +
    32 +/* GCC ATM seems to do a poor job with pointers to nested functions passed
    33 +   to inlined functions.  Help it a little bit with this hack.  */
    34 +#define wchead_table_iterate(tp, fn) \
    35 +do									      \
    36 +  {									      \
    37 +    struct wchead_table *t = (tp);					      \
    38 +    uint32_t index1;							      \
    39 +    for (index1 = 0; index1 < t->level1_size; index1++)			      \
    40 +      {									      \
    41 +	uint32_t lookup1 = t->level1[index1];				      \
    42 +	if (lookup1 != ((uint32_t) ~0))					      \
    43 +	  {								      \
    44 +	    uint32_t lookup1_shifted = lookup1 << t->q;			      \
    45 +	    uint32_t index2;						      \
    46 +	    for (index2 = 0; index2 < (1 << t->q); index2++)		      \
    47 +	      {								      \
    48 +		uint32_t lookup2 = t->level2[index2 + lookup1_shifted];	      \
    49 +		if (lookup2 != ((uint32_t) ~0))				      \
    50 +		  {							      \
    51 +		    uint32_t lookup2_shifted = lookup2 << t->p;		      \
    52 +		    uint32_t index3;					      \
    53 +		    for (index3 = 0; index3 < (1 << t->p); index3++)	      \
    54 +		      {							      \
    55 +			struct element_t *lookup3			      \
    56 +			  = t->level3[index3 + lookup2_shifted];	      \
    57 +			if (lookup3 != NULL)				      \
    58 +			  fn ((((index1 << t->q) + index2) << t->p) + index3, \
    59 +			      lookup3);					      \
    60 +		      }							      \
    61 +		  }							      \
    62 +	      }								      \
    63 +	  }								      \
    64 +      }									      \
    65 +  } while (0)
    66 +
    67  #endif
    68  
    69  #ifndef NO_FINALIZE