diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/socket.S | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/socket.S b/sysdeps/unix/sysv/linux/sh/socket.S deleted file mode 100644 index ee99e840c1..0000000000 --- a/sysdeps/unix/sysv/linux/sh/socket.S +++ /dev/null @@ -1,179 +0,0 @@ -/* Copyright (C) 1999-2015 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep-cancel.h> -#include <socketcall.h> -#include <tls.h> - -#define P(a, b) P2(a, b) -#define P2(a, b) a##b - - .text -/* The socket-oriented system calls are handled unusally in Linux. - They are all gated through the single `socketcall' system call number. - `socketcall' takes two arguments: the first is the subcode, specifying - which socket function is being called; and the second is a pointer to - the arguments to the specific function. - - The .S files for the other calls just #define socket and #include this. */ - -#ifndef __socket -#ifndef NO_WEAK_ALIAS -#define __socket P(__,socket) -#else -#define __socket socket -#endif -#endif - -#define PUSHARGS_1 mov.l r4,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r4, 0) -#define PUSHARGS_2 mov.l r5,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r5, 0); \ - PUSHARGS_1 -#define PUSHARGS_3 mov.l r6,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r6, 0); \ - PUSHARGS_2 -#define PUSHARGS_4 mov.l r7,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r7, 0); \ - PUSHARGS_3 -#define PUSHARGS_5 PUSHARGS_4 /* Caller has already pushed arg 5 */ -#define PUSHARGS_6 PUSHARGS_4 /* Caller has already pushed arg 5,6 */ - -#define POPARGS_1 add #4,r15; cfi_adjust_cfa_offset (-4) -#define POPARGS_2 add #8,r15; cfi_adjust_cfa_offset (-8) -#define POPARGS_3 add #12,r15; cfi_adjust_cfa_offset (-12) -#define POPARGS_4 add #16,r15; cfi_adjust_cfa_offset (-16) -#define POPARGS_5 POPARGS_4 -#define POPARGS_6 POPARGS_4 - -#define ADJUSTCFI_1 cfi_adjust_cfa_offset (4); \ - cfi_offset (r4, -4) -#define ADJUSTCFI_2 cfi_adjust_cfa_offset (8); \ - cfi_offset (r4, -4); \ - cfi_offset (r5, -8) -#define ADJUSTCFI_3 cfi_adjust_cfa_offset (12); \ - cfi_offset (r4, -4); \ - cfi_offset (r5, -8); \ - cfi_offset (r6, -12) -#define ADJUSTCFI_4 cfi_adjust_cfa_offset (16); \ - cfi_offset (r4, -4); \ - cfi_offset (r5, -8); \ - cfi_offset (r6, -12); \ - cfi_offset (r7, -16) -#define ADJUSTCFI_5 ADJUSTCFI_4 -#define ADJUSTCFI_6 ADJUSTCFI_4 - -#ifndef NARGS -/* If we were called with no wrapper, this is really socket(). */ -#define NARGS 3 -#endif - -.globl __socket -ENTRY (__socket) - /* This will not work in the case of a socket call being interrupted - by a signal. If the signal handler uses any stack the arguments - to socket will be trashed. The results of a restart of any - socket call are then unpredictable. */ - - /* Push args onto the stack. */ - P(PUSHARGS_,NARGS) - -#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 - trapa #0x12 - - /* 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 -.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. */ - P(ADJUSTCFI_,NARGS) - sts.l pr,@-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (pr, 0) - CENABLE - lds.l @r15+,pr - cfi_adjust_cfa_offset (-4) - cfi_restore (pr) - - /* Do the system call trap. */ - mov #+P(SOCKOP_,socket), r4 - mov r15, r5 - mov.l .L1,r3 - trapa #0x12 - - sts.l pr,@-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (pr, 0) - mov.l r0,@-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r0, 0) - CDISABLE - mov.l @r15+,r0 - cfi_adjust_cfa_offset (-4) - cfi_restore (r0) - lds.l @r15+,pr - cfi_adjust_cfa_offset (-4) - cfi_restore (pr) - - /* 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) - -PSEUDO_END (__socket) - -#ifndef NO_WEAK_ALIAS -weak_alias (__socket, socket) -#endif |