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-rw-r--r--sysdeps/unix/sysv/linux/getdents.c5
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h18
-rw-r--r--sysdeps/unix/sysv/linux/sys/personality.h11
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sysdep.h31
4 files changed, 44 insertions, 21 deletions
diff --git a/sysdeps/unix/sysv/linux/getdents.c b/sysdeps/unix/sysv/linux/getdents.c
index 836cbf3922..b33d1789ad 100644
--- a/sysdeps/unix/sysv/linux/getdents.c
+++ b/sysdeps/unix/sysv/linux/getdents.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1993, 1995-2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1995-2003, 2004, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -50,8 +51,6 @@ extern int __have_no_getdents64 attribute_hidden;
# define __have_no_getdents64 0
#endif
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
-
/* For Linux we need a special version of this file since the
definition of `struct dirent' is not the same for the kernel and
the libc. There is one additional field which might be introduced
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 5286676fc1..89d5b12043 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,1993,1995-2000,2002-2005,2006
+/* Copyright (C) 1992,1993,1995-2000,2002-2006,2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.org>, August 1995.
@@ -566,15 +566,23 @@ asm (".L__X'%ebx = 1\n\t"
is too complicated here since we have no PC-relative addressing mode. */
#else
# ifdef __ASSEMBLER__
-# define PTR_MANGLE(reg) xorl %gs:POINTER_GUARD, reg
-# define PTR_DEMANGLE(reg) PTR_MANGLE (reg)
+# define PTR_MANGLE(reg) xorl %gs:POINTER_GUARD, reg; \
+ roll $9, reg
+# define PTR_DEMANGLE(reg) rorl $9, reg; \
+ xorl %gs:POINTER_GUARD, reg
# else
-# define PTR_MANGLE(var) asm ("xorl %%gs:%c2, %0" \
+# define PTR_MANGLE(var) asm ("xorl %%gs:%c2, %0\n" \
+ "roll $9, %0" \
+ : "=r" (var) \
+ : "0" (var), \
+ "i" (offsetof (tcbhead_t, \
+ pointer_guard)))
+# define PTR_DEMANGLE(var) asm ("rorl $9, %0\n" \
+ "xorl %%gs:%c2, %0" \
: "=r" (var) \
: "0" (var), \
"i" (offsetof (tcbhead_t, \
pointer_guard)))
-# define PTR_DEMANGLE(var) PTR_MANGLE (var)
# endif
#endif
diff --git a/sysdeps/unix/sysv/linux/sys/personality.h b/sysdeps/unix/sysv/linux/sys/personality.h
index 5d14a9bc80..ff7c61aa52 100644
--- a/sysdeps/unix/sysv/linux/sys/personality.h
+++ b/sysdeps/unix/sysv/linux/sys/personality.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-/* Taken verbatim from Linux 2.4 (include/linux/personality.h). */
+/* Taken verbatim from Linux 2.6 (include/linux/personality.h). */
#ifndef _SYS_PERSONALITY_H
#define _SYS_PERSONALITY_H 1
@@ -27,11 +27,13 @@
These occupy the top three bytes. */
enum
{
+ ADDR_NO_RANDOMIZE = 0x0040000,
MMAP_PAGE_ZERO = 0x0100000,
ADDR_LIMIT_32BIT = 0x0800000,
SHORT_INODE = 0x1000000,
WHOLE_SECONDS = 0x2000000,
STICKY_TIMEOUTS = 0x4000000,
+ ADDR_LIMIT_3GB = 0x8000000
};
/* Personality types.
@@ -52,14 +54,15 @@ enum
PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,
PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
PER_LINUX32 = 0x0008,
+ PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB,
PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS, /* IRIX5 32-bit */
PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS, /* IRIX6 new 32-bit */
PER_IRIX64 = 0x000b | STICKY_TIMEOUTS, /* IRIX6 64-bit */
PER_RISCOS = 0x000c,
PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,
PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
- PER_HPUX = 0x000f,
- PER_OSF4 = 0x0010,
+ PER_OSF4 = 0x000f,
+ PER_HPUX = 0x0010,
PER_MASK = 0x00ff,
};
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index 5dfffca455..3a0a632aab 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -317,24 +317,37 @@
/* We cannot use the thread descriptor because in ld.so we use setjmp
earlier than the descriptor is initialized. */
# ifdef __ASSEMBLER__
-# define PTR_MANGLE(reg) xorq __pointer_chk_guard_local(%rip), reg
-# define PTR_DEMANGLE(reg) PTR_MANGLE (reg)
+# define PTR_MANGLE(reg) xorq __pointer_chk_guard_local(%rip), reg; \
+ rolq $17, reg
+# define PTR_DEMANGLE(reg) rorq $17, reg; \
+ xorq __pointer_chk_guard_local(%rip), reg
# else
-# define PTR_MANGLE(reg) asm ("xorq __pointer_chk_guard_local(%%rip), %0"\
+# define PTR_MANGLE(reg) asm ("xorq __pointer_chk_guard_local(%%rip), %0\n" \
+ "rolq $17, %0" \
+ : "=r" (reg) : "0" (reg))
+# define PTR_DEMANGLE(reg) asm ("rorq $17, %0\n" \
+ "xorq __pointer_chk_guard_local(%%rip), %0" \
: "=r" (reg) : "0" (reg))
-# define PTR_DEMANGLE(reg) PTR_MANGLE (reg)
# endif
#else
# ifdef __ASSEMBLER__
-# define PTR_MANGLE(reg) xorq %fs:POINTER_GUARD, reg
-# define PTR_DEMANGLE(reg) PTR_MANGLE (reg)
+# define PTR_MANGLE(reg) xorq %fs:POINTER_GUARD, reg; \
+ rolq $17, reg
+# define PTR_DEMANGLE(reg) rorq $17, reg; \
+ xorq %fs:POINTER_GUARD, reg
# else
-# define PTR_MANGLE(var) asm ("xorq %%fs:%c2, %0" \
+# define PTR_MANGLE(var) asm ("xorq %%fs:%c2, %0\n" \
+ "rolq $17, %0" \
+ : "=r" (var) \
+ : "0" (var), \
+ "i" (offsetof (tcbhead_t, \
+ pointer_guard)))
+# define PTR_DEMANGLE(var) asm ("rorq $17, %0\n" \
+ "xorq %%fs:%c2, %0" \
: "=r" (var) \
: "0" (var), \
"i" (offsetof (tcbhead_t, \
pointer_guard)))
-# define PTR_DEMANGLE(var) PTR_MANGLE (var)
# endif
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 23:06:35 +0000