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authorJakub Jelinek <jakub@redhat.com>2006-12-05 21:50:20 +0000
committerJakub Jelinek <jakub@redhat.com>2006-12-05 21:50:20 +0000
commit7f65f3e3920a0dd6bb6a8774f46063371be4d029 (patch)
treefb89eb236014051f866ec94e56070f8120daf00c /sysdeps
parent2027fcad9546d0724d9c0994394f2bf69d119613 (diff)
downloadglibc-7f65f3e3920a0dd6bb6a8774f46063371be4d029.tar.gz
glibc-7f65f3e3920a0dd6bb6a8774f46063371be4d029.tar.xz
glibc-7f65f3e3920a0dd6bb6a8774f46063371be4d029.zip
Updated to fedora-glibc-20061205T2141 cvs/fedora-glibc-2_5_90-11
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/i386/i686/memcmp.S64
-rw-r--r--sysdeps/unix/sysv/linux/i386/clone.S4
-rw-r--r--sysdeps/unix/sysv/linux/sh/sys/io.h48
-rw-r--r--sysdeps/unix/sysv/linux/ttyname.c11
-rw-r--r--sysdeps/unix/sysv/linux/ttyname_r.c11
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/clone.S4
6 files changed, 52 insertions, 90 deletions
diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S
index 113760d846..4fa6adea98 100644
--- a/sysdeps/i386/i686/memcmp.S
+++ b/sysdeps/i386/i686/memcmp.S
@@ -380,38 +380,38 @@ END (BP_SYM (memcmp))
 	.section	.rodata
 	ALIGN (2)
 L(table_32bytes) :
-	.long	L(0bytes) - . + 0x0
-	.long	L(1bytes) - . + 0x4
-	.long	L(2bytes) - . + 0x8
-	.long	L(3bytes) - . + 0xc
-	.long	L(4bytes) - . + 0x10
-	.long	L(5bytes) - . + 0x14
-	.long	L(6bytes) - . + 0x18
-	.long	L(7bytes) - . + 0x1c
-	.long	L(8bytes) - . + 0x20
-	.long	L(9bytes) - . + 0x24
-	.long	L(10bytes) - . + 0x28
-	.long	L(11bytes) - . + 0x2c
-	.long	L(12bytes) - . + 0x30
-	.long	L(13bytes) - . + 0x34
-	.long	L(14bytes) - . + 0x38
-	.long	L(15bytes) - . + 0x3c
-	.long	L(16bytes) - . + 0x40
-	.long	L(17bytes) - . + 0x44
-	.long	L(18bytes) - . + 0x48
-	.long	L(19bytes) - . + 0x4c
-	.long	L(20bytes) - . + 0x50
-	.long	L(21bytes) - . + 0x54
-	.long	L(22bytes) - . + 0x58
-	.long	L(23bytes) - . + 0x5c
-	.long	L(24bytes) - . + 0x60
-	.long	L(25bytes) - . + 0x64
-	.long	L(26bytes) - . + 0x68
-	.long	L(27bytes) - . + 0x6c
-	.long	L(28bytes) - . + 0x70
-	.long	L(29bytes) - . + 0x74
-	.long	L(30bytes) - . + 0x78
-	.long	L(31bytes) - . + 0x7c
+	.long	L(0bytes) - L(table_32bytes)
+	.long	L(1bytes) - L(table_32bytes)
+	.long	L(2bytes) - L(table_32bytes)
+	.long	L(3bytes) - L(table_32bytes)
+	.long	L(4bytes) - L(table_32bytes)
+	.long	L(5bytes) - L(table_32bytes)
+	.long	L(6bytes) - L(table_32bytes)
+	.long	L(7bytes) - L(table_32bytes)
+	.long	L(8bytes) - L(table_32bytes)
+	.long	L(9bytes) - L(table_32bytes)
+	.long	L(10bytes) - L(table_32bytes)
+	.long	L(11bytes) - L(table_32bytes)
+	.long	L(12bytes) - L(table_32bytes)
+	.long	L(13bytes) - L(table_32bytes)
+	.long	L(14bytes) - L(table_32bytes)
+	.long	L(15bytes) - L(table_32bytes)
+	.long	L(16bytes) - L(table_32bytes)
+	.long	L(17bytes) - L(table_32bytes)
+	.long	L(18bytes) - L(table_32bytes)
+	.long	L(19bytes) - L(table_32bytes)
+	.long	L(20bytes) - L(table_32bytes)
+	.long	L(21bytes) - L(table_32bytes)
+	.long	L(22bytes) - L(table_32bytes)
+	.long	L(23bytes) - L(table_32bytes)
+	.long	L(24bytes) - L(table_32bytes)
+	.long	L(25bytes) - L(table_32bytes)
+	.long	L(26bytes) - L(table_32bytes)
+	.long	L(27bytes) - L(table_32bytes)
+	.long	L(28bytes) - L(table_32bytes)
+	.long	L(29bytes) - L(table_32bytes)
+	.long	L(30bytes) - L(table_32bytes)
+	.long	L(31bytes) - L(table_32bytes)
 
 
 #undef bcmp
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index 54524ec120..f73a4b5195 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -120,6 +120,9 @@ L(pseudo_end):
 	ret
 
 L(thread_start):
+	cfi_startproc;
+	/* Clearing frame pointer is insufficient, use CFI.  */
+	cfi_undefined (eip);
 	/* Note: %esi is zero.  */
 	movl	%esi,%ebp	/* terminate the stack frame */
 #ifdef RESET_PID
@@ -152,6 +155,7 @@ L(nomoregetpid):
 	jmp	L(haspid)
 	.previous
 #endif
+	cfi_endproc;
 
 	cfi_startproc
 PSEUDO_END (BP_SYM (__clone))
diff --git a/sysdeps/unix/sysv/linux/sh/sys/io.h b/sysdeps/unix/sysv/linux/sh/sys/io.h
deleted file mode 100644
index 6fdc44ff89..0000000000
--- a/sysdeps/unix/sysv/linux/sh/sys/io.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/* Copyright (C) 1996, 1998, 1999, 2000 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef	_SYS_IO_H
-
-#define	_SYS_IO_H	1
-#include <features.h>
-
-__BEGIN_DECLS
-
-/* If TURN_ON is TRUE, request for permission to do direct i/o on the
-   port numbers in the range [FROM,FROM+NUM-1].  Otherwise, turn I/O
-   permission off for that range.  This call requires root privileges.  */
-extern int ioperm (unsigned long int __from, unsigned long int __num,
-		   int __turn_on) __THROW;
-
-/* Set the I/O privilege level to LEVEL.  If LEVEL is nonzero,
-   permission to access any I/O port is granted.  This call requires
-   root privileges. */
-extern int iopl (int __level) __THROW;
-
-/* The functions that actually perform reads and writes.  */
-extern unsigned char inb (unsigned long int port) __THROW;
-extern unsigned short int inw (unsigned long int port) __THROW;
-extern unsigned long int inl (unsigned long int port) __THROW;
-
-extern void outb (unsigned char value, unsigned long int port) __THROW;
-extern void outw (unsigned short value, unsigned long int port) __THROW;
-extern void outl (unsigned long value, unsigned long int port) __THROW;
-
-__END_DECLS
-
-#endif /* _SYS_IO_H */
diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c
index aed0fd8e0a..1b79787515 100644
--- a/sysdeps/unix/sysv/linux/ttyname.c
+++ b/sysdeps/unix/sysv/linux/ttyname.c
@@ -22,6 +22,7 @@
 #include <dirent.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <termios.h>
 #include <unistd.h>
 #include <string.h>
 #include <stdlib.h>
@@ -118,12 +119,12 @@ ttyname (int fd)
   int dostat = 0;
   char *name;
   int save = errno;
+  struct termios term;
 
-  if (__builtin_expect (!__isatty (fd), 0))
-    {
-      __set_errno (ENOTTY);
-      return NULL;
-    }
+  /* isatty check, tcgetattr is used because it sets the correct
+     errno (EBADF resp. ENOTTY) on error.  */
+  if (__builtin_expect (__tcgetattr (fd, &term) < 0, 0))
+    return NULL;
 
   /* We try using the /proc filesystem.  */
   *_fitoa_word (fd, __stpcpy (procname, "/proc/self/fd/"), 10, 0) = '\0';
diff --git a/sysdeps/unix/sysv/linux/ttyname_r.c b/sysdeps/unix/sysv/linux/ttyname_r.c
index bd415f167b..cef8624dc6 100644
--- a/sysdeps/unix/sysv/linux/ttyname_r.c
+++ b/sysdeps/unix/sysv/linux/ttyname_r.c
@@ -22,6 +22,7 @@
 #include <dirent.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <termios.h>
 #include <unistd.h>
 #include <string.h>
 #include <stdlib.h>
@@ -115,11 +116,11 @@ __ttyname_r (int fd, char *buf, size_t buflen)
       return ERANGE;
     }
 
-  if (__builtin_expect (!__isatty (fd), 0))
-    {
-      __set_errno (ENOTTY);
-      return ENOTTY;
-    }
+  /* isatty check, tcgetattr is used because it sets the correct
+     errno (EBADF resp. ENOTTY) on error.  */
+  struct termios term;
+  if (__builtin_expect (__tcgetattr (fd, &term) < 0, 0))
+    return errno;
 
   /* We try using the /proc filesystem.  */
   *_fitoa_word (fd, __stpcpy (procname, "/proc/self/fd/"), 10, 0) = '\0';
diff --git a/sysdeps/unix/sysv/linux/x86_64/clone.S b/sysdeps/unix/sysv/linux/x86_64/clone.S
index 8a12b09035..db42f209c9 100644
--- a/sysdeps/unix/sysv/linux/x86_64/clone.S
+++ b/sysdeps/unix/sysv/linux/x86_64/clone.S
@@ -89,6 +89,9 @@ L(pseudo_end):
 	ret
 
 L(thread_start):
+	cfi_startproc;
+	/* Clearing frame pointer is insufficient, use CFI.  */
+	cfi_undefined (rip);
 	/* Clear the frame pointer.  The ABI suggests this be done, to mark
 	   the outermost frame obviously.  */
 	xorl	%ebp, %ebp
@@ -113,6 +116,7 @@ L(thread_start):
 	/* Call exit with return value from function call. */
 	movq	%rax, %rdi
 	call	HIDDEN_JUMPTARGET (_exit)
+	cfi_endproc;
 
 	cfi_startproc;
 PSEUDO_END (BP_SYM (__clone))