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mirror of https://sourceware.org/git/glibc.git synced 2026-01-06 11:51:29 +03:00
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

View File

@@ -24,8 +24,6 @@
#ifdef __ASSEMBLER__
#include <asm/pal.h>
#include <alpha/regdef.h>
#else
#include <stdint.h>
#endif
/* There is some commonality. */
@@ -98,39 +96,4 @@
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 */