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authorUlrich Drepper <drepper@redhat.com>2009-01-28 16:11:36 +0000
committerUlrich Drepper <drepper@redhat.com>2009-01-28 16:11:36 +0000
commita7bd183ffe1bd3c8d68e832cfb6f4c3df76d52f1 (patch)
tree3c5ed8c94f95aa88ba5cd88339c5482836967835
parent1dd757696b0d4208f3aa124459b78c91d39f4513 (diff)
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* sysdeps/unix/sysv/linux/sh/sysdep.h (INTERNAL_SYSCALL):
Add "t" to clobber list. (INTERNAL_SYSCALL_NCS): Likewise.
-rw-r--r--ChangeLog6
-rw-r--r--localedata/ChangeLog9
-rw-r--r--nptl/ChangeLog8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S103
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h6
-rw-r--r--sysdeps/unix/sysv/linux/sh/sysdep.h6
6 files changed, 132 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog
index 156e2c7..cbcb3b7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-01-14 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * sysdeps/unix/sysv/linux/sh/sysdep.h (INTERNAL_SYSCALL):
+ Add "t" to clobber list.
+ (INTERNAL_SYSCALL_NCS): Likewise.
+
2009-01-28 Ulrich Drepper <drepper@redhat.com>
* nss/getent.c (print_networks): Don't print comma between aliases.
diff --git a/localedata/ChangeLog b/localedata/ChangeLog
index 22e68ce..594a71c 100644
--- a/localedata/ChangeLog
+++ b/localedata/ChangeLog
@@ -1,3 +1,12 @@
+2009-01-28 Ulrich Drepper <drepper@redhat.com>
+
+ * locales/as_IN: Break circular include loops introduced in last patch.
+ * locales/bn_BD: Likewise.
+ * locales/bn_IN: Likewise.
+ * locales/hi_IN: Likewise.
+ * locales/mr_IN: Likewise.
+ Patch by Pravin Satpute <psatpute@redhat.com>.
+
2009-01-08 Ulrich Drepper <drepper@redhat.com>
[BZ #9701]
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 4755c78..4fb05b2 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,11 @@
+2009-01-14 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * sysdeps/unix/sysv/linux/sh/lowlevellock.S
+ (__lll_timedlock_wait): Use FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME
+ instead of computing relative timeout.
+ * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Define
+ FUTEX_CLOCK_REALTIME and FUTEX_BITSET_MATCH_ANY.
+
2009-01-25 Ulrich Drepper <drepper@redhat.com>
* pthread_mutex_lock.c (__pthread_mutex_lock): Remove unused label out.
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
index d827917..c051192 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2005, 2007, 2008
+/* Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -36,6 +36,13 @@
mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \
extu.b tmp, tmp; \
xor tmp, reg
+# define LOAD_FUTEX_WAIT_ABS(reg,tmp,tmp2) \
+ mov #(FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG), tmp; \
+ extu.b tmp, tmp; \
+ mov #(FUTEX_CLOCK_REALTIME >> 8), tmp2; \
+ swap.b tmp2, tmp2; \
+ or tmp2, tmp; \
+ xor tmp, reg
# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \
mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), tmp; \
extu.b tmp, tmp; \
@@ -96,6 +103,22 @@
and tmp2, reg ; \
mov #FUTEX_WAIT, tmp ; \
or tmp, reg
+# define LOAD_FUTEX_WAIT_ABS(reg,tmp,tmp2) \
+ stc gbr, tmp ; \
+ mov.w 99f, tmp2 ; \
+ add tmp2, tmp ; \
+ mov.l @tmp, tmp2 ; \
+ bra 98f ; \
+ mov #FUTEX_PRIVATE_FLAG, tmp ; \
+99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
+98: extu.b tmp, tmp ; \
+ xor tmp, reg ; \
+ and tmp2, reg ; \
+ mov #FUTEX_WAIT_BITSET, tmp ; \
+ mov #(FUTEX_CLOCK_REALTIME >> 8), tmp2; \
+ swap.b tmp2, tmp2; \
+ or tmp2, tmp; \
+ or tmp, reg
# endif
# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \
stc gbr, tmp ; \
@@ -193,12 +216,85 @@ __lll_lock_wait:
cfi_endproc
.size __lll_lock_wait,.-__lll_lock_wait
+ /* r5 (r8): futex
+ r7 (r11): flags
+ r6 (r9): timeout
+ r4 (r10): futex value
+ */
.globl __lll_timedlock_wait
.type __lll_timedlock_wait,@function
.hidden __lll_timedlock_wait
.align 5
cfi_startproc
__lll_timedlock_wait:
+ mov.l r12, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r12, 0)
+
+# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
+ mov.l .Lhave, r1
+# ifdef PIC
+ mova .Lgot, r0
+ mov.l .Lgot, r12
+ add r0, r12
+ add r12, r1
+# endif
+ mov.l @r1, r0
+ tst r0, r0
+ bt .Lreltmo
+# endif
+
+ mov r4, r2
+ mov r5, r4
+ mov r7, r5
+ mov r6, r7
+ LOAD_FUTEX_WAIT_ABS (r5, r0, r1)
+
+ mov #2, r6
+ cmp/eq r6, r2
+ bf/s 2f
+ mov r2, r6
+
+1:
+ mov #2, r6
+ mov #-1, r1
+ mov #SYS_futex, r3
+ extu.b r3, r3
+ trapa #0x16
+ SYSCALL_INST_PAD
+ mov r0, r6
+
+2:
+ XCHG (r2, @r4, r3) /* NB: lock is implied */
+
+ tst r3, r3
+ bt/s 3f
+ mov r6, r0
+
+ cmp/eq #-ETIMEDOUT, r0
+ bt 4f
+ cmp/eq #-EINVAL, r0
+ bf 1b
+4:
+ neg r0, r3
+3:
+ mov r3, r0
+ rts
+ mov.l @r15+, r12
+
+ .align 2
+# ifdef PIC
+.Lgot:
+ .long _GLOBAL_OFFSET_TABLE_
+.Lhave:
+ .long __have_futex_clock_realtime@GOTOFF
+# else
+.Lhave:
+ .long __have_futex_clock_realtime
+# endif
+
+# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
+.Lreltmo:
/* Check for a valid timeout value. */
mov.l @(4,r6), r1
mov.l .L1g, r0
@@ -290,12 +386,15 @@ __lll_timedlock_wait:
mov.l @r15+, r8
mov.l @r15+, r9
mov.l @r15+, r10
+ mov.l @r15+, r11
rts
- mov.l @r15+, r11
+ mov.l @r15+, r12
3:
+ mov.l @r15+, r12
rts
mov #EINVAL, r0
+# endif
cfi_endproc
.L1k:
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index e709667..853a2da 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009
+ 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
@@ -37,6 +38,9 @@
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
#define FUTEX_PRIVATE_FLAG 128
+#define FUTEX_CLOCK_REALTIME 256
+
+#define FUTEX_BITSET_MATCH_ANY 0xffffffff
#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h
index f0be37e..0fc2c4f 100644
--- a/sysdeps/unix/sysv/linux/sh/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sh/sysdep.h
@@ -1,5 +1,5 @@
/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004,
- 2005,2006 Free Software Foundation, Inc.
+ 2005,2006,2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>.
@@ -339,7 +339,7 @@
asm volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD \
: "=z" (resultvar) \
: "r" (r3) ASMFMT_##nr \
- : "memory"); \
+ : "memory", "t"); \
\
(int) resultvar; })
@@ -353,7 +353,7 @@
asm volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD \
: "=z" (resultvar) \
: "r" (r3) ASMFMT_##nr \
- : "memory"); \
+ : "memory", "t"); \
\
(int) resultvar; })