diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/socket.S | 71 |
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) |