patches/glibc/ports-2.10.1/170-localedef-fix-trampoline.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Mon Feb 13 21:47:25 2012 +0100 (2012-02-13)
changeset 2883 cea814c9932a
permissions -rw-r--r--
libc/glibc: do not consume parameters when parsing them

Currently, there are two constructs used to parse arguments in
glibc backends, one that consumes args as they are parsed, and
one that does not.

Always use the construct that does not eat args as they are parsed.

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