yann@748
|
1 |
--- glibc-2.6.1.orig/sysdeps/unix/alpha/sysdep.h
|
yann@748
|
2 |
+++ glibc-2.6.1/sysdeps/unix/alpha/sysdep.h
|
yann@748
|
3 |
@@ -397,42 +397,4 @@
|
yann@748
|
4 |
_sc_ret = _sc_0, _sc_err = _sc_19; \
|
yann@748
|
5 |
}
|
yann@748
|
6 |
|
yann@748
|
7 |
-/* Pointer mangling support. Note that tls access is slow enough that
|
yann@748
|
8 |
- we don't deoptimize things by placing the pointer check value there. */
|
yann@748
|
9 |
-
|
yann@748
|
10 |
-#include <stdint.h>
|
yann@748
|
11 |
-
|
yann@748
|
12 |
-#if defined NOT_IN_libc && defined IS_IN_rtld
|
yann@748
|
13 |
-# ifdef __ASSEMBLER__
|
yann@748
|
14 |
-# define PTR_MANGLE(dst, src, tmp) \
|
yann@748
|
15 |
- ldah tmp, __pointer_chk_guard_local($29) !gprelhigh; \
|
yann@748
|
16 |
- ldq tmp, __pointer_chk_guard_local(tmp) !gprellow; \
|
yann@748
|
17 |
- xor src, tmp, dst
|
yann@748
|
18 |
-# define PTR_MANGLE2(dst, src, tmp) \
|
yann@748
|
19 |
- xor src, tmp, dst
|
yann@748
|
20 |
-# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
|
yann@748
|
21 |
-# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
|
yann@748
|
22 |
-# else
|
yann@748
|
23 |
-extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
|
yann@748
|
24 |
-# define PTR_MANGLE(var) \
|
yann@748
|
25 |
- (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
|
yann@748
|
26 |
-# define PTR_DEMANGLE(var) PTR_MANGLE(var)
|
yann@748
|
27 |
-# endif
|
yann@748
|
28 |
-#elif defined PIC
|
yann@748
|
29 |
-# ifdef __ASSEMBLER__
|
yann@748
|
30 |
-# define PTR_MANGLE(dst, src, tmp) \
|
yann@748
|
31 |
- ldq tmp, __pointer_chk_guard; \
|
yann@748
|
32 |
- xor src, tmp, dst
|
yann@748
|
33 |
-# define PTR_MANGLE2(dst, src, tmp) \
|
yann@748
|
34 |
- xor src, tmp, dst
|
yann@748
|
35 |
-# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
|
yann@748
|
36 |
-# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
|
yann@748
|
37 |
-# else
|
yann@748
|
38 |
-extern uintptr_t __pointer_chk_guard attribute_relro;
|
yann@748
|
39 |
-# define PTR_MANGLE(var) \
|
yann@748
|
40 |
- (var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
|
yann@748
|
41 |
-# define PTR_DEMANGLE(var) PTR_MANGLE(var)
|
yann@748
|
42 |
-# endif
|
yann@748
|
43 |
-#endif
|
yann@748
|
44 |
-
|
yann@748
|
45 |
#endif /* ASSEMBLER */
|
yann@748
|
46 |
--- glibc-2.6.1.orig/sysdeps/unix/sysv/linux/alpha/sysdep.h
|
yann@748
|
47 |
+++ glibc-2.6.1/sysdeps/unix/sysv/linux/alpha/sysdep.h
|
yann@748
|
48 |
@@ -29,6 +29,8 @@
|
yann@748
|
49 |
/* There is some commonality. */
|
yann@748
|
50 |
#include <sysdeps/unix/alpha/sysdep.h>
|
yann@748
|
51 |
|
yann@748
|
52 |
+#include <tls.h>
|
yann@748
|
53 |
+
|
yann@748
|
54 |
/* For Linux we can use the system call table in the header file
|
yann@748
|
55 |
/usr/include/asm/unistd.h
|
yann@748
|
56 |
of the kernel. But these symbols do not follow the SYS_* syntax
|
yann@748
|
57 |
@@ -96,4 +96,46 @@
|
yann@748
|
58 |
INTERNAL_SYSCALL1(name, err_out, nr, args); \
|
yann@748
|
59 |
})
|
yann@748
|
60 |
|
yann@748
|
61 |
+/* Pointer mangling support. Note that tls access is slow enough that
|
yann@748
|
62 |
+ we don't deoptimize things by placing the pointer check value there. */
|
yann@748
|
63 |
+
|
yann@748
|
64 |
+#if defined NOT_IN_libc && defined IS_IN_rtld
|
yann@748
|
65 |
+# ifdef __ASSEMBLER__
|
yann@748
|
66 |
+# define PTR_MANGLE(dst, src, tmp) \
|
yann@748
|
67 |
+ ldah tmp, __pointer_chk_guard_local($29) !gprelhigh; \
|
yann@748
|
68 |
+ ldq tmp, __pointer_chk_guard_local(tmp) !gprellow; \
|
yann@748
|
69 |
+ xor src, tmp, dst
|
yann@748
|
70 |
+# define PTR_MANGLE2(dst, src, tmp) \
|
yann@748
|
71 |
+ xor src, tmp, dst
|
yann@748
|
72 |
+# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
|
yann@748
|
73 |
+# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
|
yann@748
|
74 |
+# else
|
yann@748
|
75 |
+extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
|
yann@748
|
76 |
+# define PTR_MANGLE(var) \
|
yann@748
|
77 |
+ (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
|
yann@748
|
78 |
+# define PTR_DEMANGLE(var) PTR_MANGLE(var)
|
yann@748
|
79 |
+# endif
|
yann@748
|
80 |
+#elif defined PIC
|
yann@748
|
81 |
+# ifdef __ASSEMBLER__
|
yann@748
|
82 |
+# define PTR_MANGLE(dst, src, tmp) \
|
yann@748
|
83 |
+ ldq tmp, __pointer_chk_guard; \
|
yann@748
|
84 |
+ xor src, tmp, dst
|
yann@748
|
85 |
+# define PTR_MANGLE2(dst, src, tmp) \
|
yann@748
|
86 |
+ xor src, tmp, dst
|
yann@748
|
87 |
+# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
|
yann@748
|
88 |
+# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
|
yann@748
|
89 |
+# else
|
yann@748
|
90 |
+extern uintptr_t __pointer_chk_guard attribute_relro;
|
yann@748
|
91 |
+# define PTR_MANGLE(var) \
|
yann@748
|
92 |
+ (var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
|
yann@748
|
93 |
+# define PTR_DEMANGLE(var) PTR_MANGLE(var)
|
yann@748
|
94 |
+# endif
|
yann@748
|
95 |
+#else
|
yann@748
|
96 |
+/* Pointer mangling is not yet supported for static libc on alpha. */
|
yann@748
|
97 |
+# ifndef __ASSEMBLER__
|
yann@748
|
98 |
+# define PTR_MANGLE(var) (void) (var)
|
yann@748
|
99 |
+# define PTR_DEMANGLE(var) (void) (var)
|
yann@748
|
100 |
+# endif
|
yann@748
|
101 |
+#endif
|
yann@748
|
102 |
+
|
yann@748
|
103 |
#endif /* _LINUX_ALPHA_SYSDEP_H */
|