aboutsummaryrefslogtreecommitdiff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/ffs.S5
-rw-r--r--sysdeps/am29k/ffs.c3
-rw-r--r--sysdeps/generic/ffs.c3
-rw-r--r--sysdeps/i386/ffs.c3
-rw-r--r--sysdeps/i960/ffs.c3
-rw-r--r--sysdeps/m68k/ffs.c3
-rw-r--r--sysdeps/m88k/ffs.c3
-rw-r--r--sysdeps/powerpc/ffs.c3
-rw-r--r--sysdeps/rs6000/ffs.c3
-rw-r--r--sysdeps/unix/sysv/linux/i386/chown.c95
-rw-r--r--sysdeps/unix/sysv/linux/i386/syscalls.list1
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list1
-rw-r--r--sysdeps/vax/ffs.s3
13 files changed, 117 insertions, 12 deletions
diff --git a/sysdeps/alpha/ffs.S b/sysdeps/alpha/ffs.S
index 23dff6e06b..6eb3afdff7 100644
--- a/sysdeps/alpha/ffs.S
+++ b/sysdeps/alpha/ffs.S
@@ -25,7 +25,7 @@
.set noreorder
.set noat
-ENTRY(ffs)
+ENTRY(__ffs)
#ifdef PROF
ldgp gp, 0(pv)
lda AT, _mcount
@@ -69,4 +69,5 @@ ENTRY(ffs)
$done: ret
- END(ffs)
+ END(__ffs)
+weak_alias (__ffs, ffs)
diff --git a/sysdeps/am29k/ffs.c b/sysdeps/am29k/ffs.c
index fe656e1697..bccec883df 100644
--- a/sysdeps/am29k/ffs.c
+++ b/sysdeps/am29k/ffs.c
@@ -26,7 +26,7 @@
#ifdef __GNUC__
int
-ffs (x)
+__ffs (x)
int x;
{
int cnt;
@@ -35,6 +35,7 @@ ffs (x)
return 32 - cnt;
}
+weak_alias (__ffs, ffs)
#else
#include <sysdeps/generic/ffs.c>
diff --git a/sysdeps/generic/ffs.c b/sysdeps/generic/ffs.c
index 8e1c699f51..35cf218c4b 100644
--- a/sysdeps/generic/ffs.c
+++ b/sysdeps/generic/ffs.c
@@ -24,7 +24,7 @@
/* Find the first bit set in I. */
int
-ffs (i)
+__ffs (i)
int i;
{
static const unsigned char table[] =
@@ -45,3 +45,4 @@ ffs (i)
return table[x >> a] + a;
}
+weak_alias (__ffs, ffs)
diff --git a/sysdeps/i386/ffs.c b/sysdeps/i386/ffs.c
index 411439d0cd..4f46dc7256 100644
--- a/sysdeps/i386/ffs.c
+++ b/sysdeps/i386/ffs.c
@@ -26,7 +26,7 @@
#ifdef __GNUC__
int
-ffs (x)
+__ffs (x)
int x;
{
int cnt;
@@ -40,6 +40,7 @@ ffs (x)
return cnt;
}
+weak_alias (__ffs, ffs)
#else
#include <sysdeps/generic/ffs.c>
diff --git a/sysdeps/i960/ffs.c b/sysdeps/i960/ffs.c
index 7846c4b1db..dc09ba90e8 100644
--- a/sysdeps/i960/ffs.c
+++ b/sysdeps/i960/ffs.c
@@ -27,7 +27,7 @@
#if defined (__GNUC__) && defined (__i960__)
int
-ffs (x)
+__ffs (x)
int x;
{
int cnt;
@@ -36,6 +36,7 @@ ffs (x)
return cnt;
}
+weak_alias (__ffs, ffs)
#else
diff --git a/sysdeps/m68k/ffs.c b/sysdeps/m68k/ffs.c
index 26044b12ec..d30bd9d6ff 100644
--- a/sysdeps/m68k/ffs.c
+++ b/sysdeps/m68k/ffs.c
@@ -26,7 +26,7 @@
#if defined (__GNUC__) && defined (__mc68020__)
int
-ffs (x)
+__ffs (x)
int x;
{
int cnt;
@@ -35,6 +35,7 @@ ffs (x)
return 32 - cnt;
}
+weak_alias (__ffs, ffs)
#else
diff --git a/sysdeps/m88k/ffs.c b/sysdeps/m88k/ffs.c
index 3658f0882d..7aac897735 100644
--- a/sysdeps/m88k/ffs.c
+++ b/sysdeps/m88k/ffs.c
@@ -26,7 +26,7 @@
#ifdef __GNUC__
int
-ffs (x)
+__ffs (x)
int x;
{
int cnt;
@@ -37,6 +37,7 @@ ffs (x)
asm ("ff1 %0,%1" : "=r" (cnt) : "r" (x & -x));
return cnt + 1;
}
+weak_alias (__ffs, ffs)
#else
#include <sysdeps/generic/ffs.c>
diff --git a/sysdeps/powerpc/ffs.c b/sysdeps/powerpc/ffs.c
index 1e65bea459..2ae12e6338 100644
--- a/sysdeps/powerpc/ffs.c
+++ b/sysdeps/powerpc/ffs.c
@@ -21,10 +21,11 @@
#include <string.h>
int
-ffs (int x)
+__ffs (int x)
{
int cnt;
asm ("cntlzw %0,%1" : "=r" (cnt) : "r" (x & -x));
return 32 - cnt;
}
+weak_alias (__ffs, ffs)
diff --git a/sysdeps/rs6000/ffs.c b/sysdeps/rs6000/ffs.c
index f078c91e98..2cf2302605 100644
--- a/sysdeps/rs6000/ffs.c
+++ b/sysdeps/rs6000/ffs.c
@@ -26,7 +26,7 @@
#ifdef __GNUC__
int
-ffs (x)
+__ffs (x)
int x;
{
int cnt;
@@ -34,6 +34,7 @@ ffs (x)
asm ("cntlz %0,%1" : "=r" (cnt) : "r" (x & -x));
return 32 - cnt;
}
+weak_alias (__ffs, ffs)
#else
#include <sysdeps/generic/ffs.c>
diff --git a/sysdeps/unix/sysv/linux/i386/chown.c b/sysdeps/unix/sysv/linux/i386/chown.c
new file mode 100644
index 0000000000..e985ce0dae
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/chown.c
@@ -0,0 +1,95 @@
+/* Copyright (C) 1998 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 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.
+
+ 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 <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+/*
+ In Linux 2.1.x the chown functions have been changed. A new function lchown
+ was introduced. The new chown now follows symlinks - the old chown and the
+ new lchown do not follow symlinks.
+ The new lchown function has the same number as the old chown had and the
+ new chown has a new number. When compiling with headers from Linux > 2.1.8x
+ it's impossible to run this libc with older kernels. In these cases libc
+ has therefore to route calls to chown to the old chown function.
+*/
+
+extern int __syscall_chown (const char *__file,
+ uid_t __owner, gid_t __group);
+#ifdef __NR_lchown
+/* running under Linux 2.0 or < 2.1.8x */
+static int __libc_old_chown;
+
+
+int
+__real_chown (const char *file, uid_t owner, gid_t group)
+{
+ int result;
+
+ if (!__libc_old_chown)
+ {
+ int saved_errno = errno;
+ result = __syscall_chown (file, owner, group);
+
+ if (result >= 0 || errno != ENOSYS)
+ return result;
+
+ __set_errno (saved_errno);
+ __libc_old_chown = 1;
+ }
+
+ return __lchown (file, owner, group);
+}
+#endif
+
+
+#if !defined __NR_lchown || \
+ (defined HAVE_ELF && defined PIC && defined DO_VERSIONING)
+/* compiling under older kernels or for compatibiity */
+int
+__chown_is_lchown (const char *file, uid_t owner, gid_t group)
+{
+ return __lchown (file, owner, group);
+}
+#endif
+
+#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
+strong_alias (__chown_is_lchown, _chown_is_lchown)
+symbol_version (__chown_is_lchown, __chown, GLIBC_2.0);
+symbol_version (_chown_is_lchown, chown, GLIBC_2.0);
+
+# ifdef __NR_lchown
+strong_alias (__real_chown, _real_chown)
+default_symbol_version (__real_chown, __chown, GLIBC_2.1);
+default_symbol_version (_real_chown, chown, GLIBC_2.1);
+# else
+strong_alias (__chown_is_lchown, __chown_is_lchown21)
+strong_alias (__chown_is_lchown, _chown_is_lchown21)
+default_symbol_version (__chown_is_lchown21, __chown, GLIBC_2.1);
+default_symbol_version (_chown_is_lchown21, chown, GLIBC_2.1);
+# endif
+#else
+# ifdef __NR_lchown
+strong_alias (__real_chown, __chown)
+weak_alias (__real_chown, chown)
+# else
+strong_alias (__chown_is_lchown, __chown)
+weak_alias (__chown_is_lchown, chown)
+# endif
+#endif
diff --git a/sysdeps/unix/sysv/linux/i386/syscalls.list b/sysdeps/unix/sysv/linux/i386/syscalls.list
index 392a257194..a66ccc0a12 100644
--- a/sysdeps/unix/sysv/linux/i386/syscalls.list
+++ b/sysdeps/unix/sysv/linux/i386/syscalls.list
@@ -1,5 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names
+s_chown chown chown 3 __syscall_chown
s_getgroups getgroups getgroups 2 __syscall_getgroups
s_llseek llseek _llseek 5 __sys_llseek
s_setgroups setgroups setgroups 2 __syscall_setgroups
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index d0ab7d2170..f55c3f6fff 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -40,7 +40,6 @@ rt_sigprocmask - rt_sigprocmask 4 __syscall_rt_sigprocmask
rt_sigqueueinfo - rt_sigqueueinfo 3 __syscall_rt_sigqueueinfo
rt_sigsuspend - rt_sigsuspend 2 __syscall_rt_sigsuspend
rt_sigtimedwait - rt_sigtimedwait 4 __syscall_rt_sigtimedwait
-s_chown chown chown 3 __syscall_chown
s_getdents EXTRA getdents 3 __getdents
s_getpriority getpriority getpriority 2 __syscall_getpriority
s_getresgid getresgid getresgid 3 __syscall_getresgid
diff --git a/sysdeps/vax/ffs.s b/sysdeps/vax/ffs.s
index 49faffb060..9f7ebc95fe 100644
--- a/sysdeps/vax/ffs.s
+++ b/sysdeps/vax/ffs.s
@@ -39,10 +39,11 @@
#include "DEFS.h"
-ENTRY(ffs, 0)
+ENTRY(__ffs, 0)
ffs $0,$32,4(ap),r0
bneq 1f
mnegl $1,r0
1:
incl r0
ret
+weak_alias (__ffs, ffs)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 20:59:32 +0000