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authorJakub Jelinek <jakub@redhat.com>2006-01-02 21:28:11 +0000
committerJakub Jelinek <jakub@redhat.com>2006-01-02 21:28:11 +0000
commit1df14a6af0eed9687fb62130fac201f2f067a936 (patch)
treeb11b3dd9c9d2169fcf94bbf56023c3a21b2a3a2d /nptl
parentc77bdda8a080add749cbb248688d0889b4f9eed4 (diff)
Updated to fedora-glibc-20060102T2114cvs/fedora-glibc-2_3_90-25
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog8
-rw-r--r--nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h15
-rw-r--r--nptl/sysdeps/sparc/tcb-offsets.sym1
-rw-r--r--nptl/sysdeps/sparc/tls.h11
4 files changed, 21 insertions, 14 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index b56a261696..fd67f0ff22 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,11 @@
+2006-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/sparc/tls.h (tcbhead_t): Add pointer_guard field.
+ (THREAD_GET_POINTER_GUARD, THREAD_SET_POINTER_GUARD,
+ THREAD_COPY_POINTER_GUARD): Define.
+ * sysdeps/sparc/tcb-offsets.sym (POINTER_GUARD): Define.
+ * sysdeps/sparc/sparc64/jmpbuf-unwind.h: Revert 2005-12-27 changes.
+
2006-01-01 Ulrich Drepper <drepper@redhat.com>
* version.c: Update copyright year.
diff --git a/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h b/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
index 7752fe971e..92c296b0cf 100644
--- a/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
+++ b/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>, 2005.
@@ -20,23 +20,12 @@
#include <setjmp.h>
#include <stdint.h>
#include <unwind.h>
-#include <sysdep.h>
#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
_JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-static inline uintptr_t __attribute__ ((unused))
-_jmpbuf_sp (__jmp_buf regs)
-{
- uintptr_t sp = regs[0].uc_mcontext.mc_fp;
-#ifdef PTR_DEMANGLE
- PTR_DEMANGLE (sp);
-#endif
- return sp;
-}
-
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
- ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
+ ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].uc_mcontext.mc_fp - (_adj))
/* We use the normal lobngjmp for unwinding. */
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/nptl/sysdeps/sparc/tcb-offsets.sym b/nptl/sysdeps/sparc/tcb-offsets.sym
index 237f975b25..923af8a5b7 100644
--- a/nptl/sysdeps/sparc/tcb-offsets.sym
+++ b/nptl/sysdeps/sparc/tcb-offsets.sym
@@ -2,5 +2,6 @@
#include <tls.h>
MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
+POINTER_GUARD offsetof (tcbhead_t, pointer_guard)
PID offsetof (struct pthread, pid)
TID offsetof (struct pthread, tid)
diff --git a/nptl/sysdeps/sparc/tls.h b/nptl/sysdeps/sparc/tls.h
index ddc4848554..127bbf695f 100644
--- a/nptl/sysdeps/sparc/tls.h
+++ b/nptl/sysdeps/sparc/tls.h
@@ -1,5 +1,5 @@
/* Definitions for thread-local data handling. NPTL/sparc version.
- Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -48,6 +48,7 @@ typedef struct
int multiple_threads;
uintptr_t sysinfo;
uintptr_t stack_guard;
+ uintptr_t pointer_guard;
} tcbhead_t;
#else /* __ASSEMBLER__ */
@@ -135,6 +136,14 @@ register struct pthread *__thread_self __asm__("%g7");
((descr)->header.stack_guard \
= THREAD_GETMEM (THREAD_SELF, header.stack_guard))
+/* Get/set the stack guard field in TCB head. */
+#define THREAD_GET_POINTER_GUARD() \
+ THREAD_GETMEM (THREAD_SELF, header.pointer_guard)
+#define THREAD_SET_POINTER_GUARD(value) \
+ THREAD_SETMEM (THREAD_SELF, header.pointer_guard, value)
+# define THREAD_COPY_POINTER_GUARD(descr) \
+ ((descr)->header.pointer_guard = THREAD_GET_POINTER_GUARD ())
+
#endif /* !ASSEMBLER */
#endif /* tls.h */