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[commits] r11306 - in /branches/eglibc-2_12: libc/ libc/sysdeps/i386/i686/multiarch/ libc/sysdeps/unix/sysv/linux/ ports/ ports/sysdep...



Author: joseph
Date: Thu Aug 19 13:34:22 2010
New Revision: 11306

Log:
Merge changes between r11186 and r11305 from /fsf/glibc-2_12-branch.

Modified:
    branches/eglibc-2_12/libc/ChangeLog
    branches/eglibc-2_12/libc/sysdeps/i386/i686/multiarch/strspn.S
    branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin.c
    branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin_r.c
    branches/eglibc-2_12/ports/ChangeLog.mips
    branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n32/sysdep.h
    branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n64/sysdep.h
    branches/eglibc-2_12/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h

Modified: branches/eglibc-2_12/libc/ChangeLog
==============================================================================
--- branches/eglibc-2_12/libc/ChangeLog (original)
+++ branches/eglibc-2_12/libc/ChangeLog Thu Aug 19 13:34:22 2010
@@ -1,3 +1,26 @@
+2010-08-19  Andreas Schwab  <schwab@xxxxxxxxxx>
+
+	* sysdeps/i386/i686/multiarch/strspn.S [!SHARED]: Fix SSE4.2 check.
+
+2010-08-06  Ulrich Drepper  <drepper@xxxxxxxxxx>
+
+	* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
+	Also fail if tpwd after pwuid call is NULL.
+
+2010-06-21  Andreas Schwab <schwab@xxxxxxxxxx>
+
+	* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
+	Restore proper fallback handling.
+
+2010-06-19  Ulrich Drepper  <drepper@xxxxxxxxxx>
+
+	* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Handle
+	OOM in getpwuid_r correctly.  Return error number when the caller
+	should return, otherwise -1.
+	(getlogin_r): Adjust to return also for result of __getlogin_r_loginuid
+	call returning > 0 value.
+	* sysdeps/unix/sysv/linux/getlogin.c (getlogin): Likewise.
+
 2010-07-27  Andreas Schwab  <schwab@xxxxxxxxxx>
 
 	* version.h (VERSION): Bump for 2.12.1 release.

Modified: branches/eglibc-2_12/libc/sysdeps/i386/i686/multiarch/strspn.S
==============================================================================
--- branches/eglibc-2_12/libc/sysdeps/i386/i686/multiarch/strspn.S (original)
+++ branches/eglibc-2_12/libc/sysdeps/i386/i686/multiarch/strspn.S Thu Aug 19 13:34:22 2010
@@ -1,5 +1,5 @@
 /* Multiple versions of strspn
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009,2010 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
 
@@ -65,7 +65,7 @@
 	jne	1f
 	call	__init_cpu_features
 1:	leal	__strspn_ia32, %eax
-	testl	$index_SSE2, CPUID_OFFSET+index_SSE4_2+__cpu_features
+	testl	$bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features
 	jz	2f
 	leal	__strspn_sse42, %eax
 2:	ret

Modified: branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin.c
==============================================================================
--- branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin.c (original)
+++ branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin.c Thu Aug 19 13:34:22 2010
@@ -32,8 +32,9 @@
 char *
 getlogin (void)
 {
-  if (__getlogin_r_loginuid (name, sizeof (name)) == 0)
-    return name;
+  int res = __getlogin_r_loginuid (name, sizeof (name));
+  if (res >= 0)
+    return res == 0 ? name : NULL;
 
   return getlogin_fd0 ();
 }

Modified: branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin_r.c
==============================================================================
--- branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin_r.c (original)
+++ branches/eglibc-2_12/libc/sysdeps/unix/sysv/linux/getlogin_r.c Thu Aug 19 13:34:22 2010
@@ -27,6 +27,10 @@
 #undef getlogin_r
 
 
+/* Try to determine login name from /proc/self/loginuid and return 0
+   if successful.  If /proc/self/loginuid cannot be read return -1.
+   Otherwise return the error number.  */
+
 int
 attribute_hidden
 __getlogin_r_loginuid (name, namesize)
@@ -35,7 +39,7 @@
 {
   int fd = open_not_cancel_2 ("/proc/self/loginuid", O_RDONLY);
   if (fd == -1)
-    return 1;
+    return -1;
 
   /* We are reading a 32-bit number.  12 bytes are enough for the text
      representation.  If not, something is wrong.  */
@@ -51,37 +55,38 @@
       || (uidbuf[n] = '\0',
 	  uid = strtoul (uidbuf, &endp, 10),
 	  endp == uidbuf || *endp != '\0'))
-    return 1;
+    return -1;
 
   size_t buflen = 1024;
   char *buf = alloca (buflen);
   bool use_malloc = false;
   struct passwd pwd;
   struct passwd *tpwd;
+  int result = 0;
   int res;
 
-  while ((res = __getpwuid_r (uid, &pwd, buf, buflen, &tpwd)) != 0)
+  while ((res = __getpwuid_r (uid, &pwd, buf, buflen, &tpwd)) == ERANGE)
     if (__libc_use_alloca (2 * buflen))
-      extend_alloca (buf, buflen, 2 * buflen);
+      buf = extend_alloca (buf, buflen, 2 * buflen);
     else
       {
 	buflen *= 2;
 	char *newp = realloc (use_malloc ? buf : NULL, buflen);
 	if (newp == NULL)
 	  {
-	  fail:
-	    if (use_malloc)
-	      free (buf);
-	    return 1;
+	    result = ENOMEM;
+	    goto out;
 	  }
 	buf = newp;
 	use_malloc = true;
       }
 
-  if (tpwd == NULL)
-    goto fail;
+  if (res != 0 || tpwd == NULL)
+    {
+      result = -1;
+      goto out;
+    }
 
-  int result = 0;
   size_t needed = strlen (pwd.pw_name) + 1;
   if (needed > namesize)
     {
@@ -109,8 +114,9 @@
      char *name;
      size_t namesize;
 {
-  if (__getlogin_r_loginuid (name, namesize) == 0)
-    return 0;
+  int res = __getlogin_r_loginuid (name, namesize);
+  if (res >= 0)
+    return res;
 
   return getlogin_r_fd0 (name, namesize);
 }

Modified: branches/eglibc-2_12/ports/ChangeLog.mips
==============================================================================
--- branches/eglibc-2_12/ports/ChangeLog.mips (original)
+++ branches/eglibc-2_12/ports/ChangeLog.mips Thu Aug 19 13:34:22 2010
@@ -1,3 +1,14 @@
+2010-08-13  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
+
+	* sysdeps/unix/sysv/linux/mips/kernel-features.h
+	(__ASSUME_GETDENTS64_SYSCALL): Undefine for n32 ABI before 2.6.35.
+
+2010-08-13  Chandrakala Chavva  <cchavva@xxxxxxxxxxxxxxxxxx>
+
+	* sysdeps/unix/mips/mips64/n64/sysdep.h (PSEUDO): Add 'nop' in
+	jump delay slot.
+	* sysdeps/unix/mips/mips64/n32/sysdep.h (PSEUDO): Ditto.
+
 2010-05-21  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
 
 	* sysdeps/unix/sysv/linux/mips/mips32/recvmmsg.c,

Modified: branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n32/sysdep.h
==============================================================================
--- branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n32/sysdep.h (original)
+++ branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n32/sysdep.h Thu Aug 19 13:34:22 2010
@@ -45,6 +45,7 @@
   .set noreorder;							      \
   .align 2;								      \
   99: j __syscall_error;						      \
+  nop;                                                                        \
   ENTRY(name)								      \
   .set noreorder;							      \
   li v0, SYS_ify(syscall_name);						      \

Modified: branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n64/sysdep.h
==============================================================================
--- branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n64/sysdep.h (original)
+++ branches/eglibc-2_12/ports/sysdeps/unix/mips/mips64/n64/sysdep.h Thu Aug 19 13:34:22 2010
@@ -45,6 +45,7 @@
   .set noreorder;							      \
   .align 2;								      \
   99: j __syscall_error;						      \
+  nop;                                                                        \
   ENTRY(name)								      \
   .set noreorder;							      \
   li v0, SYS_ify(syscall_name);						      \

Modified: branches/eglibc-2_12/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h
==============================================================================
--- branches/eglibc-2_12/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h (original)
+++ branches/eglibc-2_12/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h Thu Aug 19 13:34:22 2010
@@ -38,3 +38,9 @@
 #endif
 
 #include_next <kernel-features.h>
+
+/* The n32 syscall ABI did not have a getdents64 syscall until
+   2.6.35.  */
+#if _MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623
+# undef __ASSUME_GETDENTS64_SYSCALL
+#endif