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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
46 lines
1.7 KiB
ArmAsm
46 lines
1.7 KiB
ArmAsm
/* Copyright (C) 1993, 1995, 1997 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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/* The Dynix `sigvec' system call takes an extra argument,
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which is the address of the trampoline function. */
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.text
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.align 4
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trampoline:
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cld /* Clear direction flag. */
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call %eax /* Call the handler, address in %eax. */
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addl $8, %esp /* Pop signum & code off the stack. */
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/* __sigreturn will restore the context, and never return here. */
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call C_SYMBOL_NAME (__sigreturn)
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.globl syscall_error
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ENTRY (__sigvec)
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pushl $trampoline /* Push fourth arg: trampoline address. */
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pushl 16(%esp) /* Push third arg: our third arg. */
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pushl 16(%esp) /* Push second arg: our second arg. */
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pushl 16(%esp) /* Push first arg: our first arg. */
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mov %esp, %ecx /* Point the syscall at the arguments. */
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addl $16, %esp /* Pop those four args. */
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DO_CALL (sigvec, 4) /* Do the system call. */
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jb syscall_error /* Check for error. */
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ret
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weak_alias (__sigvec, sigvec)
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