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-rw-r--r--sysdeps/unix/sysv/linux/Makefile3
-rw-r--r--sysdeps/unix/sysv/linux/Versions6
-rw-r--r--sysdeps/unix/sysv/linux/alpha/syscalls.list2
-rw-r--r--sysdeps/unix/sysv/linux/i386/i686/sysdep.h52
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h42
-rw-r--r--sysdeps/unix/sysv/linux/ia64/syscalls.list2
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/syscalls.list1
-rw-r--r--sysdeps/unix/sysv/linux/readahead.c51
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list2
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/syscalls.list2
11 files changed, 152 insertions, 12 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 8f4c562c32..99950086e7 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -11,7 +11,8 @@ CFLAGS-malloc.c = -DMORECORE_CLEARS=2
endif
ifeq ($(subdir),misc)
-sysdep_routines += sysctl clone llseek getresuid getresgid umount umount2
+sysdep_routines += sysctl clone llseek getresuid getresgid umount umount2 \
+ readahead
sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
sys/klog.h sys/kdaemon.h \
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 7965e11b85..2a90387f82 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -90,6 +90,12 @@ libc {
# p*
pivot_root;
}
+ GLIBC_2.3 {
+ # r*
+ readahead;
+ # s*
+ sendfile64;
+ }
GLIBC_PRIVATE {
# needed by libpthread.
__libc_sigaction;
diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list
index 3dc07341e3..28c60bb876 100644
--- a/sysdeps/unix/sysv/linux/alpha/syscalls.list
+++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list
@@ -28,6 +28,8 @@ getrlimit - getrlimit 2 __getrlimit getrlimit getrlimit64
setrlimit - setrlimit 2 __setrlimit setrlimit64 setrlimit
ftruncate - ftruncate 2 __ftruncate ftruncate __ftruncate64 ftruncate64
truncate - truncate 2 truncate truncate64
+readahead EXTRA readahead 3 __readahead readahead
+sendfile EXTRA sendfile i:iipi sendfile sendfile64
# these are actually common with the x86:
sys_ustat ustat ustat 2 __syscall_ustat
diff --git a/sysdeps/unix/sysv/linux/i386/i686/sysdep.h b/sysdeps/unix/sysv/linux/i386/i686/sysdep.h
index 8e7e5e0420..6b54a81d32 100644
--- a/sysdeps/unix/sysv/linux/i386/i686/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/i686/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@cygnus.com>, 1998.
@@ -32,11 +32,30 @@
/* Store (- %eax) into errno through the GOT. */
# ifdef _LIBC_REENTRANT
-# define SYSCALL_ERROR_HANDLER \
-1:movl (%esp),%ebx; \
+
+# ifndef HAVE_HIDDEN
+# define SETUP_PIC_REG \
+ call 1f; \
+ .subsection 1; \
+1:movl (%esp), %ebx; \
+ ret; \
+ .previous
+# else
+# define SETUP_PIC_REG \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.bx; \
+ .hidden __i686.get_pc_thunk.bx; \
+ .type __i686.get_pc_thunk.bx,@function; \
+__i686.get_pc_thunk.bx: \
+ movl (%esp), %ebx; \
ret; \
+ .previous; \
+ call __i686.get_pc_thunk.bx
+# endif
+
+# define SYSCALL_ERROR_HANDLER \
0:pushl %ebx; \
- call 1b; \
+ SETUP_PIC_REG; \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \
subl %eax, %edx; \
@@ -52,10 +71,29 @@
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
# else
-# define SYSCALL_ERROR_HANDLER \
-1:movl (%esp),%ecx; \
+
+# ifndef HAVE_HIDDEN
+# define SETUP_PIC_REG \
+ call 1f; \
+ .subsection 1; \
+1:movl (%esp), %ecx; \
+ ret; \
+ .previous
+# else
+# define SETUP_PIC_REG \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.cx; \
+ .hidden __i686.get_pc_thunk.cx; \
+ .type __i686.get_pc_thunk.cx,@function; \
+__i686.get_pc_thunk.cx: \
+ movl (%esp), %ecx; \
ret; \
-0:call 1b; \
+ .previous; \
+ call __i686.get_pc_thunk.cx
+# endif
+
+# define SYSCALL_ERROR_HANDLER \
+0:SETUP_PIC_REG; \
addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
xorl %edx, %edx; \
subl %eax, %edx; \
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 2cc39d69cd..730c4dfdf9 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -76,13 +76,30 @@
#else
/* Store (- %eax) into errno through the GOT. */
#ifdef _LIBC_REENTRANT
-#define SYSCALL_ERROR_HANDLER \
-0:pushl %ebx; \
+
+# ifndef HAVE_HIDDEN
+# define SETUP_PIC_REG \
call 1f; \
.subsection 1; \
1:movl (%esp), %ebx; \
ret; \
+ .previous
+# else
+# define SETUP_PIC_REG \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.bx; \
+ .hidden __i686.get_pc_thunk.bx; \
+ .type __i686.get_pc_thunk.bx,@function; \
+__i686.get_pc_thunk.bx: \
+ movl (%esp), %ebx; \
+ ret; \
.previous; \
+ call __i686.get_pc_thunk.bx
+# endif
+
+#define SYSCALL_ERROR_HANDLER \
+0:pushl %ebx; \
+ SETUP_PIC_REG; \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \
subl %eax, %edx; \
@@ -98,12 +115,29 @@
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
#else
-#define SYSCALL_ERROR_HANDLER \
-0:call 1f; \
+
+# ifndef HAVE_HIDDEN
+# define SETUP_PIC_REG \
+ call 1f; \
.subsection 1; \
1:movl (%esp), %ecx; \
ret; \
+ .previous
+# else
+# define SETUP_PIC_REG \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.cx; \
+ .hidden __i686.get_pc_thunk.cx; \
+ .type __i686.get_pc_thunk.cx,@function; \
+__i686.get_pc_thunk.cx: \
+ movl (%esp), %ecx; \
+ ret; \
.previous; \
+ call __i686.get_pc_thunk.cx
+# endif
+
+#define SYSCALL_ERROR_HANDLER \
+0:define SETUP_PIC_REG; \
addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
xorl %edx, %edx; \
subl %eax, %edx; \
diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list
index 15a93df618..6463a6ffaa 100644
--- a/sysdeps/unix/sysv/linux/ia64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list
@@ -15,6 +15,8 @@ ftruncate - ftruncate 2 __ftruncate ftruncate ftruncate64 __ftruncate64
truncate - truncate 2 truncate truncate64
getrlimit - getrlimit 2 __getrlimit getrlimit getrlimit64
setrlimit - setrlimit 2 __setrlimit setrlimit setrlimit64
+readahead EXTRA readahead 3 __readahead readahead
+sendfile EXTRA sendfile i:iipi sendfile sendfile64
# semaphore and shm system calls
msgctl - msgctl i:iip __msgctl msgctl
diff --git a/sysdeps/unix/sysv/linux/powerpc/syscalls.list b/sysdeps/unix/sysv/linux/powerpc/syscalls.list
index 7532b9c8fe..434a9a1f7a 100644
--- a/sysdeps/unix/sysv/linux/powerpc/syscalls.list
+++ b/sysdeps/unix/sysv/linux/powerpc/syscalls.list
@@ -4,6 +4,7 @@
s_ioctl ioctl ioctl i:iiI __syscall_ioctl
s_ipc msgget ipc i:iiiip __syscall_ipc
s_llseek llseek _llseek i:iiipi __syscall__llseek
+s_readahead readahead readahead i:iiii __syscall_readahead
s_chown chown chown i:sii __syscall_chown
s_execve execve execve i:spp __syscall_execve
rt_sigaction - rt_sigaction i:ippi __syscall_rt_sigaction
diff --git a/sysdeps/unix/sysv/linux/readahead.c b/sysdeps/unix/sysv/linux/readahead.c
new file mode 100644
index 0000000000..33ea7315d5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/readahead.c
@@ -0,0 +1,51 @@
+/* Provide kernel hint to read ahead.
+ Copyright (C) 2002 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. */
+
+#include <errno.h>
+#include <sys/types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+
+#ifdef __NR_readahead
+
+extern int __syscall_readahead (int fd, off_t offset_hi, off_t offset_lo,
+ size_t count);
+
+
+ssize_t
+__readahead (int fd, loff_t offset, size_t count)
+{
+ return INLINE_SYSCALL (readahead, 4, fd, (off_t) (offset >> 32),
+ (off_t) (offset & 0xffffffff), count);
+}
+#else
+ssize_t
+__readahead (int fd, loff_t offset, size_t count)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (readahead)
+
+# include <stub-tag.h>
+#endif
+
+weak_alias (__readahead, readahead)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
index ab93d2fce3..6521c25120 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
@@ -11,6 +11,8 @@ setrlimit - setrlimit 2 __setrlimit setrlimit64 setrlimit
ftruncate - ftruncate 2 __ftruncate ftruncate __ftruncate64 ftruncate64
truncate - truncate 2 truncate truncate64
mmap - mmap 6 __mmap mmap __mmap64 mmap64
+readahead EXTRA readahead 3 __readahead readahead
+sendfile EXTRA sendfile i:iipi sendfile sendfile64
# Override select.S in parent directory:
select - select 5 __select select
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 205699d94d..c3388b28bd 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -49,6 +49,7 @@ sched_sets - sched_setscheduler i:iip __sched_setscheduler sched_setscheduler
sched_yield - sched_yield i: __sched_yield sched_yield
select - _newselect i:iPPPP __select select
sendfile EXTRA sendfile i:iipi sendfile
+sendfile64 EXTRA sendfile64 i:iipi sendfile64
setfsgid EXTRA setfsgid i:i setfsgid
setfsuid EXTRA setfsuid i:i setfsuid
setpgid - setpgid i:ii __setpgid setpgid
diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/syscalls.list
index dcb1a090d7..294226726f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/x86_64/syscalls.list
@@ -14,6 +14,8 @@ getrlimit - getrlimit i:ip __getrlimit getrlimit getrlimit64
setrlimit - setrlimit i:ip __setrlimit setrlimit64 setrlimit
ftruncate - ftruncate i:ii __ftruncate ftruncate ftruncate64 __ftruncate64
truncate - truncate i:si truncate truncate64
+readahead EXTRA readahead i:iipi __readahead readahead
+sendfile EXTRA sendfile i:iip sendfile sendfile64
# semaphore and shm system calls
msgctl - msgctl i:iip __msgctl msgctl
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 12:32:15 +0000