* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela):
	Ensure relocation doesn't clobber any bits outside of the
	immediate field for R_SPARC_TLS_LE_HIX22, R_SPARC_WDISP30,
	R_SPARC_HI22 and R_SPARC_H44.
This commit is contained in:
Ulrich Drepper 2006-09-09 11:21:48 +00:00
parent 346e6ad401
commit 2b6a801eed
8 changed files with 40 additions and 21 deletions

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@ -1,5 +1,11 @@
2006-09-07 Jakub Jelinek <jakub@redhat.com>
[BZ #1006]
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela):
Ensure relocation doesn't clobber any bits outside of the
immediate field for R_SPARC_TLS_LE_HIX22, R_SPARC_WDISP30,
R_SPARC_HI22 and R_SPARC_H44.
[BZ #2775]
* malloc/malloc.c (sYSMALLOc): Only call grow_heap if
(long) (MINSIZE + nb - old_size) is positive.

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@ -1,11 +1,21 @@
2006-09-08 Jakub Jelinek <jakub@redhat.com>
* tst-cond22.c: Include pthread.h instead of pthreadP.h.
Include stdlib.h.
* sysdeps/pthread/pthread_cond_wait.c (__condvar_cleanup): Only
increase FUTEX if increasing WAKEUP_SEQ. Fix comment typo.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
2006-09-08 Ulrich Drepper <drepper@redhat.com>
[BZ #3123]
* sysdeps/pthread/pthread_cond_wait.c (__condvar_cleanup): Don't
increment WAKEUP_SEQ if this would increase the value beyond TOTAL_SEQ.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
* Makefile (tests): Add tst-cond22.
* tst-cond22.c: New file.

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@ -51,14 +51,16 @@ __condvar_cleanup (void *arg)
{
/* This thread is not waiting anymore. Adjust the sequence counters
appropriately. We do not increment WAKEUP_SEQ if this would
bump it over the value of TOTAL_SEQ> This can happen if a thread
bump it over the value of TOTAL_SEQ. This can happen if a thread
was woken and then canceled. */
if (cbuffer->cond->__data.__wakeup_seq
< cbuffer->cond->__data.__total_seq)
{
++cbuffer->cond->__data.__wakeup_seq;
++cbuffer->cond->__data.__woken_seq;
++cbuffer->cond->__data.__futex;
}
++cbuffer->cond->__data.__woken_seq;
}
cbuffer->cond->__data.__nwaiters -= 1 << COND_CLOCK_BITS;

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@ -406,7 +406,7 @@ __condvar_tw_cleanup:
cmpl 20(%esp), %eax
jne 3f
/* We increment the woken_seq counter only if it is lower than
/* We increment the wakeup_seq counter only if it is lower than
total_seq. If this is not the case the thread was woken and
then canceled. In this case we ignore the signal. */
movl total_seq(%ebx), %eax
@ -419,10 +419,9 @@ __condvar_tw_cleanup:
6: addl $1, wakeup_seq(%ebx)
adcl $0, wakeup_seq+4(%ebx)
addl $1, cond_futex(%ebx)
7: addl $1, cond_futex(%ebx)
addl $1, woken_seq(%ebx)
7: addl $1, woken_seq(%ebx)
adcl $0, woken_seq+4(%ebx)
3: subl $(1 << clock_bits), cond_nwaiters(%ebx)

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@ -297,7 +297,7 @@ __condvar_w_cleanup:
cmpl 12(%esp), %eax
jne 3f
/* We increment the woken_seq counter only if it is lower than
/* We increment the wakeup_seq counter only if it is lower than
total_seq. If this is not the case the thread was woken and
then canceled. In this case we ignore the signal. */
movl total_seq(%ebx), %eax
@ -310,9 +310,9 @@ __condvar_w_cleanup:
6: addl $1, wakeup_seq(%ebx)
adcl $0, wakeup_seq+4(%ebx)
addl $1, cond_futex(%ebx)
7: addl $1, cond_futex(%ebx)
addl $1, woken_seq(%ebx)
7: addl $1, woken_seq(%ebx)
adcl $0, woken_seq+4(%ebx)
3: subl $(1 << clock_bits), cond_nwaiters(%ebx)

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@ -67,15 +67,15 @@ __condvar_cleanup:
cmpl 4(%r8), %edx
jne 3f
/* We increment the woken_seq counter only if it is lower than
/* We increment the wakeup_seq counter only if it is lower than
total_seq. If this is not the case the thread was woken and
then canceled. In this case we ignore the signal. */
movq total_seq(%rdi), %rax
cmpq wakeup_seq(%rdi), %rax
jbe 6f
incq wakeup_seq(%rdi)
6: incq woken_seq(%rdi)
incl cond_futex(%rdi)
6: incq woken_seq(%rdi)
3: subl $(1 << clock_bits), cond_nwaiters(%rdi)

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@ -1,5 +1,6 @@
#include <pthreadP.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
static pthread_barrier_t b;

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@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. Sparc64 version.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -623,7 +623,8 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
value = sym->st_value - sym_map->l_tls_offset
+ reloc->r_addend;
if (r_type == R_SPARC_TLS_LE_HIX22)
*reloc_addr = (*reloc_addr & 0xffc00000) | ((~value) >> 10);
*reloc_addr = (*reloc_addr & 0xffc00000)
| (((~value) >> 10) & 0x3fffff);
else
*reloc_addr = (*reloc_addr & 0xffffe000) | (value & 0x3ff)
| 0x1c00;
@ -653,7 +654,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
case R_SPARC_WDISP30:
*(unsigned int *) reloc_addr =
((*(unsigned int *)reloc_addr & 0xc0000000) |
((value - (Elf64_Addr) reloc_addr) >> 2));
(((value - (Elf64_Addr) reloc_addr) >> 2) & 0x3fffffff));
break;
/* MEDLOW code model relocs */
@ -665,7 +666,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
case R_SPARC_HI22:
*(unsigned int *) reloc_addr =
((*(unsigned int *)reloc_addr & 0xffc00000) |
(value >> 10));
((value >> 10) & 0x3fffff));
break;
case R_SPARC_OLO10:
*(unsigned int *) reloc_addr =
@ -677,7 +678,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
case R_SPARC_H44:
*(unsigned int *) reloc_addr =
((*(unsigned int *)reloc_addr & 0xffc00000) |
(value >> 22));
((value >> 22) & 0x3fffff));
break;
case R_SPARC_M44:
*(unsigned int *) reloc_addr =