chroot-glibc: share patches from glibc pkg.

This commit is contained in:
Juan RP 2012-09-18 13:52:09 +02:00
parent 3fd099e75a
commit 76e35186e7
4 changed files with 2 additions and 275 deletions

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@ -0,0 +1 @@
../glibc/patches

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@ -1,51 +0,0 @@
--- resolv/res_query.c
+++ resolv/res_query.c
@@ -122,6 +122,7 @@ __libc_res_nquery(res_state statp,
int *resplen2)
{
HEADER *hp = (HEADER *) answer;
+ HEADER *hp2;
int n, use_malloc = 0;
u_int oflags = statp->_flags;
@@ -239,26 +240,25 @@ __libc_res_nquery(res_state statp,
/* __libc_res_nsend might have reallocated the buffer. */
hp = (HEADER *) *answerp;
- /* We simplify the following tests by assigning HP to HP2. It
- is easy to verify that this is the same as ignoring all
- tests of HP2. */
- HEADER *hp2 = answerp2 ? (HEADER *) *answerp2 : hp;
-
- if (n < (int) sizeof (HEADER) && answerp2 != NULL
- && *resplen2 > (int) sizeof (HEADER))
+ /* We simplify the following tests by assigning HP to HP2 or
+ vice versa. It is easy to verify that this is the same as
+ ignoring all tests of HP or HP2. */
+ if (answerp2 == NULL || *resplen2 < (int) sizeof (HEADER))
{
- /* Special case of partial answer. */
- assert (hp != hp2);
- hp = hp2;
+ hp2 = hp;
}
- else if (answerp2 != NULL && *resplen2 < (int) sizeof (HEADER)
- && n > (int) sizeof (HEADER))
+ else
{
- /* Special case of partial answer. */
- assert (hp != hp2);
- hp2 = hp;
+ hp2 = (HEADER *) *answerp2;
+ if (n < (int) sizeof (HEADER))
+ {
+ hp = hp2;
+ }
}
+ /* Make sure both hp and hp2 are defined */
+ assert((hp != NULL) && (hp2 != NULL));
+
if ((hp->rcode != NOERROR || ntohs(hp->ancount) == 0)
&& (hp2->rcode != NOERROR || ntohs(hp2->ancount) == 0)) {
#ifdef DEBUG

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@ -1,223 +0,0 @@
--- nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S 2011-12-22 18:04:12.937212834 +0000
+++ nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S 2011-12-22 18:04:42.104222278 +0000
@@ -137,7 +137,6 @@ __pthread_cond_wait:
cmpl $PI_BIT, %eax
jne 18f
-90:
movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx
movl %ebp, %edx
xorl %esi, %esi
@@ -151,9 +150,6 @@ __pthread_cond_wait:
sete 16(%esp)
je 19f
- cmpl $-EAGAIN, %eax
- je 91f
-
/* Normal and PI futexes dont mix. Use normal futex functions only
if the kernel does not support the PI futex functions. */
cmpl $-ENOSYS, %eax
@@ -398,78 +394,6 @@ __pthread_cond_wait:
#endif
call __lll_unlock_wake
jmp 11b
-
-91:
-.LcleanupSTART2:
- /* FUTEX_WAIT_REQUEUE_PI returned EAGAIN. We need to
- call it again. */
-
- /* Get internal lock. */
- movl $1, %edx
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %edx, (%ebx)
-#else
- cmpxchgl %edx, cond_lock(%ebx)
-#endif
- jz 92f
-
-#if cond_lock == 0
- movl %ebx, %edx
-#else
- leal cond_lock(%ebx), %edx
-#endif
-#if (LLL_SHARED-LLL_PRIVATE) > 255
- xorl %ecx, %ecx
-#endif
- cmpl $-1, dep_mutex(%ebx)
- setne %cl
- subl $1, %ecx
- andl $(LLL_SHARED-LLL_PRIVATE), %ecx
-#if LLL_PRIVATE != 0
- addl $LLL_PRIVATE, %ecx
-#endif
- call __lll_lock_wait
-
-92:
- /* Increment the cond_futex value again, so it can be used as a new
- expected value. */
- addl $1, cond_futex(%ebx)
- movl cond_futex(%ebx), %ebp
-
- /* Unlock. */
- LOCK
-#if cond_lock == 0
- subl $1, (%ebx)
-#else
- subl $1, cond_lock(%ebx)
-#endif
- je 93f
-#if cond_lock == 0
- movl %ebx, %eax
-#else
- leal cond_lock(%ebx), %eax
-#endif
-#if (LLL_SHARED-LLL_PRIVATE) > 255
- xorl %ecx, %ecx
-#endif
- cmpl $-1, dep_mutex(%ebx)
- setne %cl
- subl $1, %ecx
- andl $(LLL_SHARED-LLL_PRIVATE), %ecx
-#if LLL_PRIVATE != 0
- addl $LLL_PRIVATE, %ecx
-#endif
- call __lll_unlock_wake
-
-93:
- /* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
- xorl %ecx, %ecx
- movl dep_mutex(%ebx), %edi
- jmp 90b
-.LcleanupEND2:
-
.size __pthread_cond_wait, .-__pthread_cond_wait
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
GLIBC_2_3_2)
@@ -642,10 +566,6 @@ __condvar_w_cleanup:
.long .LcleanupEND-.Lsub_cond_futex
.long __condvar_w_cleanup-.LSTARTCODE
.uleb128 0
- .long .LcleanupSTART2-.LSTARTCODE
- .long .LcleanupEND2-.LcleanupSTART2
- .long __condvar_w_cleanup-.LSTARTCODE
- .uleb128 0
.long .LcallUR-.LSTARTCODE
.long .LENDCODE-.LcallUR
.long 0
--- nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S 2011-12-22 18:04:12.941212837 +0000
+++ nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S 2011-12-22 18:05:05.155229737 +0000
@@ -23,7 +23,6 @@
#include <lowlevelcond.h>
#include <tcb-offsets.h>
#include <pthread-pi-defines.h>
-#include <pthread-errnos.h>
#include <stap-probe.h>
#include <kernel-features.h>
@@ -137,14 +136,11 @@ __pthread_cond_wait:
cmpl $PI_BIT, %eax
jne 61f
-90:
movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
movl $SYS_futex, %eax
syscall
movl $1, %r8d
- cmpq $-EAGAIN, %rax
- je 91f
#ifdef __ASSUME_REQUEUE_PI
jmp 62f
#else
@@ -331,70 +327,6 @@ __pthread_cond_wait:
13: movq %r10, %rax
jmp 14b
-
-91:
-.LcleanupSTART2:
- /* FUTEX_WAIT_REQUEUE_PI returned EAGAIN. We need to
- call it again. */
- movq 8(%rsp), %rdi
-
- /* Get internal lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jz 92f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
-92:
- /* Increment the cond_futex value again, so it can be used as a new
- expected value. */
- incl cond_futex(%rdi)
- movl cond_futex(%rdi), %edx
-
- /* Release internal lock. */
- LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jz 93f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- /* The call preserves %rdx. */
- callq __lll_unlock_wake
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
-93:
- /* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
- xorq %r10, %r10
- mov dep_mutex(%rdi), %R8_LP
- leaq cond_futex(%rdi), %rdi
- jmp 90b
-.LcleanupEND2:
-
.size __pthread_cond_wait, .-__pthread_cond_wait
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
GLIBC_2_3_2)
@@ -547,15 +479,11 @@ __condvar_cleanup1:
.uleb128 .LcleanupSTART-.LSTARTCODE
.uleb128 .LcleanupEND-.LcleanupSTART
.uleb128 __condvar_cleanup1-.LSTARTCODE
- .uleb128 0
- .uleb128 .LcleanupSTART2-.LSTARTCODE
- .uleb128 .LcleanupEND2-.LcleanupSTART2
- .uleb128 __condvar_cleanup1-.LSTARTCODE
- .uleb128 0
+ .uleb128 0
.uleb128 .LcallUR-.LSTARTCODE
.uleb128 .LENDCODE-.LcallUR
.uleb128 0
- .uleb128 0
+ .uleb128 0
.Lcstend:

View file

@ -3,7 +3,7 @@ pkgname=chroot-glibc
_majorver=2.16
version=${_majorver}.0
wrksrc="glibc-${version}"
revision=3
revision=4
short_desc="The GNU C library -- for xbps-src use"
maintainer="Juan RP <xtraeme@gmail.com>"
homepage="http://www.gnu.org/software/libc"