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authorRoland McGrath <roland@hack.frob.com>2014-08-01 11:28:49 -0700
committerRoland McGrath <roland@hack.frob.com>2014-08-01 11:28:49 -0700
commit6f64e7d75fdab0be50edc814a41ddc43ef4ec8ef (patch)
treea06a97081593c3e6d14bdf0e5fcc4b8af5ffd89e /sysdeps/unix
parenta476ac4b45fe39b023bed55c852abad04d70c5df (diff)
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ARM: Move PTR_MANGLE et al out of Linux-specific file.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/arm/sysdep.h44
1 files changed, 0 insertions, 44 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/sysdep.h b/sysdeps/unix/sysv/linux/arm/sysdep.h
index 700c1ce..52e27d0 100644
--- a/sysdeps/unix/sysv/linux/arm/sysdep.h
+++ b/sysdeps/unix/sysv/linux/arm/sysdep.h
@@ -435,48 +435,4 @@ __local_syscall_error: \
#endif /* __ASSEMBLER__ */
-/* Pointer mangling support. */
-#if (defined NOT_IN_libc && defined IS_IN_rtld) || \
- (!defined SHARED && (!defined NOT_IN_libc || defined IS_IN_libpthread))
-# ifdef __ASSEMBLER__
-# define PTR_MANGLE_LOAD(guard, tmp) \
- LDST_PCREL(ldr, guard, tmp, C_SYMBOL_NAME(__pointer_chk_guard_local));
-# define PTR_MANGLE(dst, src, guard, tmp) \
- PTR_MANGLE_LOAD(guard, tmp); \
- PTR_MANGLE2(dst, src, guard)
-/* Use PTR_MANGLE2 for efficiency if guard is already loaded. */
-# define PTR_MANGLE2(dst, src, guard) \
- eor dst, src, guard
-# define PTR_DEMANGLE(dst, src, guard, tmp) \
- PTR_MANGLE (dst, src, guard, tmp)
-# define PTR_DEMANGLE2(dst, src, guard) \
- PTR_MANGLE2 (dst, src, guard)
-# else
-extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
-# define PTR_MANGLE(var) \
- (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
-# define PTR_DEMANGLE(var) PTR_MANGLE (var)
-# endif
-#else
-# ifdef __ASSEMBLER__
-# define PTR_MANGLE_LOAD(guard, tmp) \
- LDST_GLOBAL(ldr, guard, tmp, C_SYMBOL_NAME(__pointer_chk_guard));
-# define PTR_MANGLE(dst, src, guard, tmp) \
- PTR_MANGLE_LOAD(guard, tmp); \
- PTR_MANGLE2(dst, src, guard)
-/* Use PTR_MANGLE2 for efficiency if guard is already loaded. */
-# define PTR_MANGLE2(dst, src, guard) \
- eor dst, src, guard
-# define PTR_DEMANGLE(dst, src, guard, tmp) \
- PTR_MANGLE (dst, src, guard, tmp)
-# define PTR_DEMANGLE2(dst, src, guard) \
- PTR_MANGLE2 (dst, src, guard)
-# else
-extern uintptr_t __pointer_chk_guard attribute_relro;
-# define PTR_MANGLE(var) \
- (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard)
-# define PTR_DEMANGLE(var) PTR_MANGLE (var)
-# endif
-#endif
-
#endif /* linux/arm/sysdep.h */