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authorUlrich Drepper <drepper@redhat.com>1996-11-07 01:35:04 +0000
committerUlrich Drepper <drepper@redhat.com>1996-11-07 01:35:04 +0000
commitb57910379e9a0fa1c6985840bbbe19b30595e361 (patch)
tree9bf68210227e7cc5022fdefaa8510313b651e709 /sysdeps/unix/sysv/linux/i386
parent2c6fe0bd3b270fc644dd4c773f2d47b93f404efe (diff)
downloadglibc-b57910379e9a0fa1c6985840bbbe19b30595e361.tar.gz
glibc-b57910379e9a0fa1c6985840bbbe19b30595e361.tar.xz
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update from 961105, second try cvs/libc-961107
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386')
-rw-r--r--sysdeps/unix/sysv/linux/i386/syscall.S30
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.S32
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h9
3 files changed, 37 insertions, 34 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/syscall.S b/sysdeps/unix/sysv/linux/i386/syscall.S
index 018a86ee39..6a020e0d0e 100644
--- a/sysdeps/unix/sysv/linux/i386/syscall.S
+++ b/sysdeps/unix/sysv/linux/i386/syscall.S
@@ -1,25 +1,25 @@
 /* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
+   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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
 
 /* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for
-   more information about the value -125 used below.*/
+   more information about the value -4095 used below.*/
 
 	.text
 ENTRY (syscall)
@@ -29,7 +29,7 @@ ENTRY (syscall)
 	movl 16(%esp), %eax	/* Load syscall number into %eax.  */
 	int $0x80		/* Do the system call.  */
 	POPARGS_5		/* Restore register contents.  */
-	cmpl $-125, %eax	/* Check %eax for error.  */
+	cmpl $-4095, %eax	/* Check %eax for error.  */
 	jae syscall_error	/* Jump to error handler if error.  */
 	ret			/* Return to caller.  */
 
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.S b/sysdeps/unix/sysv/linux/i386/sysdep.S
index c9c78842d8..d676004084 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.S
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.S
@@ -1,20 +1,20 @@
 /* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
+   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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
 
@@ -54,7 +54,11 @@ ENTRY (__syscall_error)
 #endif	/* !PIC */
 
 
-ENTRY (__errno_location)
+	.weak __errno_location
+	.type __errno_location,@function
+	.align 16
+__errno_location:
+	CALL_MCOUNT
 #ifdef PIC
 	call .L2
 .L2:	popl %ecx
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 5d378fd179..7418982c2a 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -40,16 +40,15 @@ Cambridge, MA 02139, USA.  */
    negative even if the call succeeded.  E.g., the `lseek' system call
    might return a large offset.  Therefore we must not anymore test
    for < 0, but test for a real error by making sure the value in %eax
-   is a real error number.  For now (as of 2.1.1) 122 is the largest
-   defined error number.  Given a bit room for development, Linus
-   chose in <asm/unistd.h> to use the values -125 to -1 for error
-   values.  We follow him here.  */
+   is a real error number.  Linus said he will make sure the no syscall
+   returns a value in -1 .. -4095 as a valid result so we can savely
+   test with -4095.  */
 #undef	PSEUDO
 #define	PSEUDO(name, syscall_name, args)				      \
   .text;								      \
   ENTRY (name)								      \
     DO_CALL (args, syscall_name);					      \
-    cmpl $-125, %eax;							      \
+    cmpl $-4095, %eax;							      \
     jae syscall_error;
 
 #undef	PSEUDO_END