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:
@@ -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 */
|
||||
|
||||
Reference in New Issue
Block a user