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2006-01-13  Richard Henderson  <rth@redhat.com>

	* sysdeps/unix/sysv/linux/alpha/sysdep.h (PTR_MANGLE, PTR_MANGLE2,
	PTR_DEMANGLE, PTR_DEMANGLE2): Move ...
	* sysdeps/unix/alpha/sysdep.h: ... here.
	* sysdeps/unix/sysv/linux/alpha/fxstatat.c: Define __GI___fxstatat64.
This commit is contained in:
Ulrich Drepper
2006-01-13 22:11:19 +00:00
parent 251278c63f
commit 9adacd8ac9
5 changed files with 50 additions and 41 deletions
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7
ChangeLog
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@@ -1,3 +1,10 @@
2006-01-13 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/sysdep.h (PTR_MANGLE, PTR_MANGLE2,
PTR_DEMANGLE, PTR_DEMANGLE2): Move ...
* sysdeps/unix/alpha/sysdep.h: ... here.
* sysdeps/unix/sysv/linux/alpha/fxstatat.c: Define __GI___fxstatat64.
2006-01-13 Andreas Jaeger <aj@suse.de> 2006-01-13 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/powerpc/sys/procfs.h (ELF_NVRREG): Fix * sysdeps/unix/sysv/linux/powerpc/sys/procfs.h (ELF_NVRREG): Fix

40
sysdeps/unix/alpha/sysdep.h
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@@ -1,4 +1,4 @@
/* Copyright (C) 1992, 1995, 1996, 2000, 2003, 2004 /* Copyright (C) 1992, 1995, 1996, 2000, 2003, 2004, 2006
Free Software Foundation, Inc. Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org). Contributed by Brendan Kehoe (brendan@zen.org).
@@ -397,4 +397,42 @@ __LABEL(name) \
_sc_ret = _sc_0, _sc_err = _sc_19; \ _sc_ret = _sc_0, _sc_err = _sc_19; \
} }
/* Pointer mangling support. Note that tls access is slow enough that
we don't deoptimize things by placing the pointer check value there. */
#include <stdint.h>
#if defined NOT_IN_libc && defined IS_IN_rtld
# ifdef __ASSEMBLER__
# define PTR_MANGLE(dst, src, tmp) \
ldah tmp, __pointer_chk_guard_local($29) !gprelhigh; \
ldq tmp, __pointer_chk_guard_local(tmp) !gprellow; \
xor src, tmp, dst
# define PTR_MANGLE2(dst, src, tmp) \
xor src, tmp, dst
# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
# else
extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
# define PTR_MANGLE(var) \
(var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
# define PTR_DEMANGLE(var) PTR_MANGLE(var)
# endif
#elif defined PIC
# ifdef __ASSEMBLER__
# define PTR_MANGLE(dst, src, tmp) \
ldq tmp, __pointer_chk_guard; \
xor src, tmp, dst
# define PTR_MANGLE2(dst, src, tmp) \
xor src, tmp, dst
# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
# else
extern uintptr_t __pointer_chk_guard attribute_relro;
# define PTR_MANGLE(var) \
(var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
# define PTR_DEMANGLE(var) PTR_MANGLE(var)
# endif
#endif
#endif /* ASSEMBLER */ #endif /* ASSEMBLER */

5
sysdeps/unix/sysv/linux/alpha/fxstatat.c
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@@ -1,4 +1,4 @@
/* Copyright (C) 2005 Free Software Foundation, Inc. /* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@@ -94,4 +94,5 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
return -1; return -1;
} }
strong_alias (__fxstatat, __fxstatat64); strong_alias (__fxstatat, __fxstatat64)
strong_alias (__fxstatat64, __GI___fxstatat64)

37
sysdeps/unix/sysv/linux/alpha/sysdep.h
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@@ -24,8 +24,6 @@
#ifdef __ASSEMBLER__ #ifdef __ASSEMBLER__
#include <asm/pal.h> #include <asm/pal.h>
#include <alpha/regdef.h> #include <alpha/regdef.h>
#else
#include <stdint.h>
#endif #endif
/* There is some commonality. */ /* There is some commonality. */
@@ -98,39 +96,4 @@
INTERNAL_SYSCALL1(name, err_out, nr, args); \ INTERNAL_SYSCALL1(name, err_out, nr, args); \
}) })
/* Pointer mangling support. Note that tls access is slow enough that
we don't deoptimize things by placing the pointer check value there. */
#if defined NOT_IN_libc && defined IS_IN_rtld
# ifdef __ASSEMBLER__
# define PTR_MANGLE(dst, src, tmp) \
ldah tmp, __pointer_chk_guard_local($29) !gprelhigh; \
ldq tmp, __pointer_chk_guard_local(tmp) !gprellow; \
xor src, tmp, dst
# define PTR_MANGLE2(dst, src, tmp) \
xor src, tmp, dst
# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
# else
extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
# define PTR_MANGLE(var) \
(var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
# define PTR_DEMANGLE(var) PTR_MANGLE(var)
# endif
#elif defined PIC
# ifdef __ASSEMBLER__
# define PTR_MANGLE(dst, src, tmp) \
ldq tmp, __pointer_chk_guard; \
xor src, tmp, dst
# define PTR_MANGLE2(dst, src, tmp) \
xor src, tmp, dst
# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
# else
extern uintptr_t __pointer_chk_guard attribute_relro;
# define PTR_MANGLE(var) \
(var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
# define PTR_DEMANGLE(var) PTR_MANGLE(var)
# endif
#endif
#endif /* _LINUX_ALPHA_SYSDEP_H */ #endif /* _LINUX_ALPHA_SYSDEP_H */