mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-25 07:21:05 +00:00
104 lines
3.6 KiB
Diff
104 lines
3.6 KiB
Diff
|
--- glibc-2.6.1.orig/sysdeps/unix/alpha/sysdep.h
|
||
|
|
+++ glibc-2.6.1/sysdeps/unix/alpha/sysdep.h
|
||
|
|
@@ -397,42 +397,4 @@
|
||
|
|
_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) = (__typeof (var)) ((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 */
|
||
|
|
--- glibc-2.6.1.orig/sysdeps/unix/sysv/linux/alpha/sysdep.h
|
||
|
|
+++ glibc-2.6.1/sysdeps/unix/sysv/linux/alpha/sysdep.h
|
||
|
|
@@ -29,6 +29,8 @@
|
||
|
|
/* There is some commonality. */
|
||
|
|
#include <sysdeps/unix/alpha/sysdep.h>
|
||
|
|
|
||
|
|
+#include <tls.h>
|
||
|
|
+
|
||
|
|
/* For Linux we can use the system call table in the header file
|
||
|
|
/usr/include/asm/unistd.h
|
||
|
|
of the kernel. But these symbols do not follow the SYS_* syntax
|
||
|
|
@@ -96,4 +96,46 @@
|
||
|
|
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) = (__typeof (var)) ((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
|
||
|
|
+#else
|
||
|
|
+/* Pointer mangling is not yet supported for static libc on alpha. */
|
||
|
|
+# ifndef __ASSEMBLER__
|
||
|
|
+# define PTR_MANGLE(var) (void) (var)
|
||
|
|
+# define PTR_DEMANGLE(var) (void) (var)
|
||
|
|
+# endif
|
||
|
|
+#endif
|
||
|
|
+
|
||
|
|
#endif /* _LINUX_ALPHA_SYSDEP_H */
|