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70 lines
2.2 KiB
ArmAsm
70 lines
2.2 KiB
ArmAsm
/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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#include <socketcall.h>
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#define P(a, b) P2(a, b)
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#define P2(a, b) a##b
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.text
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/* The socket-oriented system calls are handled unusally in Linux.
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They are all gated through the single `socketcall' system call number.
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`socketcall' takes two arguments: the first is the subcode, specifying
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which socket function is being called; and the second is a pointer to
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the arguments to the specific function.
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The .S files for the other calls just #define socket and #include this. */
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#ifndef __socket
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#define __socket P(__,socket)
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#endif
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#define PUSHARGS_1 stmfd ip!, {a1}
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#define PUSHARGS_2 stmfd ip!, {a1, a2}
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#define PUSHARGS_3 stmfd ip!, {a1, a2, a3}
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#define PUSHARGS_4 stmfd ip!, {a1, a2, a3, a4}
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#define PUSHARGS_5 stmfd ip!, {a1, a2, a3, a4} /* Caller has already pushed arg 5 */
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#define PUSHARGS_6 stmfd ip!, {a1, a2, a3, a4}
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#ifndef NARGS
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#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
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#endif
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.globl __socket
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ENTRY (__socket)
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/* Push args onto the stack. */
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mov ip, sp
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P(PUSHARGS_,NARGS)
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/* Do the system call trap. */
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mov a1, $P(SOCKOP_,socket)
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mov a2, ip
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swi SYS_ify(socketcall)
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/* r0 is < 0 if there was an error. */
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cmn r0, $124
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bhs PLTJMP(syscall_error)
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/* Successful; return the syscall's value. */
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ret
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PSEUDO_END (__socket)
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weak_alias (__socket, socket)
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