aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/sh/socket.S
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-01-05 11:26:28 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-05 11:26:28 +0000
commitbbd1745596d2f0562745dbde8d2a62bc0d1eaaae (patch)
treecffb5e41a80be4b8d55b0e2a21385fd1e5d3cc31 /sysdeps/unix/sysv/linux/sh/socket.S
parentbdee30cfe40d9c5cfe0b8969877f11857d092359 (diff)
downloadglibc-bbd1745596d2f0562745dbde8d2a62bc0d1eaaae.tar
glibc-bbd1745596d2f0562745dbde8d2a62bc0d1eaaae.tar.gz
glibc-bbd1745596d2f0562745dbde8d2a62bc0d1eaaae.tar.bz2
glibc-bbd1745596d2f0562745dbde8d2a62bc0d1eaaae.zip
Update.
2003-01-05 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/clone.S (__clone): Use SYSCALL_ERROR_HANDLER. * sysdeps/unix/sysv/linux/sh/pipe.S (__libc_pipe): Likewise. * sysdeps/unix/sysv/linux/sh/socket.S (__socket): Likewise. Add support for cancellation handling. * sysdeps/unix/sysv/linux/sh/syscall.S (__syscall): Use SYSCALL_ERROR_HANDLER. * sysdeps/unix/sysv/linux/sh/vfork.S (__vfork): Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Likewise. Add support for cancellation handling. (SYSCALL_ERROR_HANDLER): Define PIC variants.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/socket.S')
-rw-r--r--sysdeps/unix/sysv/linux/sh/socket.S71
1 files changed, 41 insertions, 30 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/socket.S b/sysdeps/unix/sysv/linux/sh/socket.S
index 733b9d0c9e..11a2b853eb 100644
--- a/sysdeps/unix/sysv/linux/sh/socket.S
+++ b/sysdeps/unix/sysv/linux/sh/socket.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2003 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
@@ -16,8 +16,9 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <sysdep.h>
+#include <sysdep-cancel.h>
#include <socketcall.h>
+#include <tls.h>
#define P(a, b) P2(a, b)
#define P2(a, b) a##b
@@ -63,7 +64,12 @@ ENTRY (__socket)
/* Push args onto the stack. */
P(PUSHARGS_,NARGS)
- /* Do the system call trap. */
+#if defined NEED_CANCELLATION && defined CENABLE
+ SINGLE_THREAD_P
+ bf .Lsocket_cancel
+#endif
+
+ /* Do the system call trap. */
mov #+P(SOCKOP_,socket), r4
mov r15, r5
mov.l .L1,r3
@@ -77,39 +83,44 @@ ENTRY (__socket)
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
- bf 1f
-
- mov.l .L2, r1
-#ifdef SHARED
- mov r0, r4
- mov.l r12, @-r15
- sts.l pr, @-r15
- mov.l 0f, r12
- mova 0f, r0
- add r0, r12
- mova .L2, r0
- add r0, r1
- jsr @r1
- nop
- lds.l @r15+, pr
- rts
- mov.l @r15+, r12
- .align 2
-0:
- .long _GLOBAL_OFFSET_TABLE_
-#else
- jmp @r1
- mov r0, r4
-#endif
-1:
+ bf .Lpseudo_end
+.Lsyscall_error:
+ SYSCALL_ERROR_HANDLER
+.Lpseudo_end:
/* Successful; return the syscall's value. */
rts
nop
+
+#if defined NEED_CANCELLATION && defined CENABLE
+.Lsocket_cancel:
+ /* Enable asynchronous cancellation. */
+ CENABLE
+
+ /* Do the system call trap. */
+ mov #+P(SOCKOP_,socket), r4
+ mov r15, r5
+ mov.l .L1,r3
+ trapa #0x12
+
+ mov.l r0,@-r15
+ CDISABLE
+ mov.l @r15+,r0
+
+ /* Pop args off the stack */
+ P(POPARGS_,NARGS)
+
+ mov r0, r1
+ mov #-12, r2
+ shad r2, r1
+ not r1, r1 // r1=0 means r0 = -1 to -4095
+ tst r1, r1 // i.e. error in linux
+ bf .Lpseudo_end
+ bra .Lsyscall_error
+ nop
+#endif
.align 2
.L1:
.long SYS_ify(socketcall)
-.L2:
- .long PLTJMP(C_SYMBOL_NAME(__syscall_error))
PSEUDO_END (__socket)