patches/glibc/2.9/390-2.3.3_pre20040117-pt_pax.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Dec 31 16:23:27 2011 +0100 (2011-12-31)
changeset 2814 3dc2727ebffc
parent 1201 c9967a6e3b25
permissions -rw-r--r--
cc/gcc: add option to use system zlib

In some cases, it might be desirable to use the system zlib

Eg. because latest gcc seem to be totally borked when it comes
to multilib, and tries to build a multilib host zlib, when it
is *absolutely* *not* needed: we want mulitlib on the target,
not on the host! Sigh... :-(

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/3010_all_2.3.3_pre20040117-pt_pax.patch
     2 
     3 -= BEGIN original header =-
     4 -= END original header =-
     5 
     6 diff -durN glibc-2_9.orig/elf/elf.h glibc-2_9/elf/elf.h
     7 --- glibc-2_9.orig/elf/elf.h	2008-10-01 21:41:34.000000000 +0200
     8 +++ glibc-2_9/elf/elf.h	2009-02-02 22:01:21.000000000 +0100
     9 @@ -571,6 +571,7 @@
    10  #define PT_GNU_EH_FRAME	0x6474e550	/* GCC .eh_frame_hdr segment */
    11  #define PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
    12  #define PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
    13 +#define PT_PAX_FLAGS	0x65041580	/* Indicates PaX flag markings */
    14  #define PT_LOSUNW	0x6ffffffa
    15  #define PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment */
    16  #define PT_SUNWSTACK	0x6ffffffb	/* Stack segment */
    17 @@ -584,6 +585,18 @@
    18  #define PF_X		(1 << 0)	/* Segment is executable */
    19  #define PF_W		(1 << 1)	/* Segment is writable */
    20  #define PF_R		(1 << 2)	/* Segment is readable */
    21 +#define PF_PAGEEXEC	(1 << 4)	/* Enable  PAGEEXEC */
    22 +#define PF_NOPAGEEXEC	(1 << 5)	/* Disable PAGEEXEC */
    23 +#define PF_SEGMEXEC	(1 << 6)	/* Enable  SEGMEXEC */
    24 +#define PF_NOSEGMEXEC	(1 << 7)	/* Disable SEGMEXEC */
    25 +#define PF_MPROTECT	(1 << 8)	/* Enable  MPROTECT */
    26 +#define PF_NOMPROTECT	(1 << 9)	/* Disable MPROTECT */
    27 +#define PF_RANDEXEC	(1 << 10)	/* Enable  RANDEXEC */
    28 +#define PF_NORANDEXEC	(1 << 11)	/* Disable RANDEXEC */
    29 +#define PF_EMUTRAMP	(1 << 12)	/* Enable  EMUTRAMP */
    30 +#define PF_NOEMUTRAMP	(1 << 13)	/* Disable EMUTRAMP */
    31 +#define PF_RANDMMAP	(1 << 14)	/* Enable  RANDMMAP */
    32 +#define PF_NORANDMMAP	(1 << 15)	/* Disable RANDMMAP */
    33  #define PF_MASKOS	0x0ff00000	/* OS-specific */
    34  #define PF_MASKPROC	0xf0000000	/* Processor-specific */
    35