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Submitted By: Robert Connolly <robert at linuxfromscratch dot org> (ashes)
Date: 2006-10-11
Initial Package Version: 2.5
Upstream Status: Not submitted - PaX specific. Will not be accepted upstream.
Origin: http://www.gtlib.cc.gatech.edu/pub/gentoo/gentoo-x86-portage/sys-libs/ \
        glibc/files/2.3.3/glibc-2.3.3_pre20040117-pt_pax.diff
Description: This is needed for Pax. http://pax.grsecurity.net/
Also see:
http://www.linuxfromscratch.org/hlfs/

diff -Naur glibc-2.5.orig/elf/elf.h glibc-2.5/elf/elf.h
--- glibc-2.5.orig/elf/elf.h	2006-07-10 21:54:02.000000000 +0000
+++ glibc-2.5/elf/elf.h	2006-10-11 21:30:02.000000000 +0000
@@ -569,6 +569,7 @@
 #define PT_GNU_EH_FRAME	0x6474e550	/* GCC .eh_frame_hdr segment */
 #define PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
 #define PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
+#define PT_PAX_FLAGS	0x65041580	/* Indicates PaX flag markings */
 #define PT_LOSUNW	0x6ffffffa
 #define PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment */
 #define PT_SUNWSTACK	0x6ffffffb	/* Stack segment */
@@ -582,6 +583,18 @@
 #define PF_X		(1 << 0)	/* Segment is executable */
 #define PF_W		(1 << 1)	/* Segment is writable */
 #define PF_R		(1 << 2)	/* Segment is readable */
+#define PF_PAGEEXEC	(1 << 4)	/* Enable  PAGEEXEC */
+#define PF_NOPAGEEXEC	(1 << 5)	/* Disable PAGEEXEC */
+#define PF_SEGMEXEC	(1 << 6)	/* Enable  SEGMEXEC */
+#define PF_NOSEGMEXEC	(1 << 7)	/* Disable SEGMEXEC */
+#define PF_MPROTECT	(1 << 8)	/* Enable  MPROTECT */
+#define PF_NOMPROTECT	(1 << 9)	/* Disable MPROTECT */
+#define PF_RANDEXEC	(1 << 10)	/* Enable  RANDEXEC */
+#define PF_NORANDEXEC	(1 << 11)	/* Disable RANDEXEC */
+#define PF_EMUTRAMP	(1 << 12)	/* Enable  EMUTRAMP */
+#define PF_NOEMUTRAMP	(1 << 13)	/* Disable EMUTRAMP */
+#define PF_RANDMMAP	(1 << 14)	/* Enable  RANDMMAP */
+#define PF_NORANDMMAP	(1 << 15)	/* Disable RANDMMAP */
 #define PF_MASKOS	0x0ff00000	/* OS-specific */
 #define PF_MASKPROC	0xf0000000	/* Processor-specific */