SOURCES: glibc-2.7-alpha_PTR_MANGLE_move-1.patch (NEW) - fix glibc...

pluto pluto at pld-linux.org
Mon Feb 25 20:59:34 CET 2008


Author: pluto                        Date: Mon Feb 25 19:59:34 2008 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- fix glibc bug#5216 (alpha link-failure).

---- Files affected:
SOURCES:
   glibc-2.7-alpha_PTR_MANGLE_move-1.patch (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/glibc-2.7-alpha_PTR_MANGLE_move-1.patch
diff -u /dev/null SOURCES/glibc-2.7-alpha_PTR_MANGLE_move-1.patch:1.1
--- /dev/null	Mon Feb 25 20:59:34 2008
+++ SOURCES/glibc-2.7-alpha_PTR_MANGLE_move-1.patch	Mon Feb 25 20:59:29 2008
@@ -0,0 +1,87 @@
+diff -Naur glibc-2.7.orig/sysdeps/unix/alpha/sysdep.h glibc-2.7/sysdeps/unix/alpha/sysdep.h
+--- glibc-2.7.orig/sysdeps/unix/alpha/sysdep.h	2006-03-03 06:21:28.000000000 -0500
++++ glibc-2.7/sysdeps/unix/alpha/sysdep.h	2007-10-27 23:14:36.000000000 -0400
+@@ -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 */
+diff -Naur glibc-2.7.orig/sysdeps/unix/sysv/linux/alpha/sysdep.h glibc-2.7/sysdeps/unix/sysv/linux/alpha/sysdep.h
+--- glibc-2.7.orig/sysdeps/unix/sysv/linux/alpha/sysdep.h	2007-08-21 04:07:28.000000000 -0400
++++ glibc-2.7/sysdeps/unix/sysv/linux/alpha/sysdep.h	2007-10-27 23:39:45.000000000 -0400
+@@ -98,4 +98,37 @@
+ 	INTERNAL_SYSCALL1(name, err_out, nr, args);			\
+ })
+ 
++#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
++#else
++# 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 */
================================================================


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