diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2005-12-19 12:11:38 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2005-12-19 12:11:38 +0000 |
| commit | 2c6cfe6853a30deb4af842aacc924fa298d0521a (patch) | |
| tree | 7fcc409e499bb8e3d96522f7fc2393fc10e53db2 /sysdeps/unix/sysv/linux/x86_64 | |
| parent | 3ccb96cd41b38d0159bdf8aad229c3599864c65d (diff) | |
Updated to fedora-glibc-20051219T1003cvs/fedora-glibc-2_3_90-19
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/readelflib.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/sysdep.h | 27 |
4 files changed, 34 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c index 7e26fecb3a..6662a94d09 100644 --- a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c +++ b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c @@ -1,5 +1,5 @@ #ifdef IS_IN_ldconfig -#include <sysdeps/i386/dl-procinfo.c> +# include <sysdeps/i386/dl-procinfo.c> #else -#include <sysdeps/generic/dl-procinfo.c> +# include <sysdeps/generic/dl-procinfo.c> #endif diff --git a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h index b360b4288a..31455204c3 100644 --- a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h +++ b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h @@ -1,5 +1,5 @@ #ifdef IS_IN_ldconfig -#include <sysdeps/unix/sysv/linux/i386/dl-procinfo.h> +# include <sysdeps/unix/sysv/linux/i386/dl-procinfo.h> #else -#include <sysdeps/generic/dl-procinfo.h> +# include <sysdeps/generic/dl-procinfo.h> #endif diff --git a/sysdeps/unix/sysv/linux/x86_64/readelflib.c b/sysdeps/unix/sysv/linux/x86_64/readelflib.c index c672f1df5a..5a49af3fa6 100644 --- a/sysdeps/unix/sysv/linux/x86_64/readelflib.c +++ b/sysdeps/unix/sysv/linux/x86_64/readelflib.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2001, 2002, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 1999 and Jakub Jelinek <jakub@redhat.com>, 1999. @@ -53,10 +53,10 @@ process_elf_file (const char *file_name, const char *lib, int *flag, #undef process_elf_file #define process_elf_file process_elf32_file #define __ELF_NATIVE_CLASS 32 -#include "sysdeps/generic/readelflib.c" +#include "elf/readelflib.c" #undef __ELF_NATIVE_CLASS #undef process_elf_file #define process_elf_file process_elf64_file #define __ELF_NATIVE_CLASS 64 -#include "sysdeps/generic/readelflib.c" +#include "elf/readelflib.c" diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h index 0dc2f2750e..5dfffca455 100644 --- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h +++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h @@ -311,4 +311,31 @@ #endif /* __ASSEMBLER__ */ + +/* Pointer mangling support. */ +#if defined NOT_IN_libc && defined IS_IN_rtld +/* 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) +# else +# define PTR_MANGLE(reg) asm ("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) +# else +# define PTR_MANGLE(var) asm ("xorq %%fs:%c2, %0" \ + : "=r" (var) \ + : "0" (var), \ + "i" (offsetof (tcbhead_t, \ + pointer_guard))) +# define PTR_DEMANGLE(var) PTR_MANGLE (var) +# endif +#endif + #endif /* linux/x86_64/sysdep.h */ |