[src/sommerfeld_i386mp_1]: src/sys/arch/i386/i386 More '*' usage in indirect ...

[fvdl <fvdl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a8f5771ae36d
branches:  sommerfeld_i386mp_1
changeset: 482439:a8f5771ae36d
user:      fvdl <fvdl%NetBSD.org@localhost>
date:      Wed Sep 26 09:58:40 2001 +0000

description:
More '*' usage in indirect calls/jumps.

diffstat:

 sys/arch/i386/i386/freebsd_sigcode.s |  100 +++++++++++++++++++++++++++++
 sys/arch/i386/i386/linux_sigcode.s   |  117 +++++++++++++++++++++++++++++++++++
 2 files changed, 217 insertions(+), 0 deletions(-)

diffs (225 lines):

diff -r e6d0d8fe7489 -r a8f5771ae36d sys/arch/i386/i386/freebsd_sigcode.s
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/i386/freebsd_sigcode.s      Wed Sep 26 09:58:40 2001 +0000
@@ -0,0 +1,100 @@
+/*     $NetBSD: freebsd_sigcode.s,v 1.3.4.2 2001/09/26 09:58:40 fvdl Exp $     */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Charles M. Hannum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)locore.s    7.3 (Berkeley) 5/13/91
+ */
+
+#include "assym.h"
+
+#include <sys/errno.h>
+#include <sys/syscall.h>
+
+#include <compat/freebsd/freebsd_syscall.h>
+#include <machine/asm.h>
+
+/*
+ * Signal trampoline; copied to top of user stack.
+ */
+/* LINTSTUB: Var: char freebsd_sigcode[1], freebsd_esigcode[1]; */
+NENTRY(freebsd_sigcode)
+       call    *FREEBSD_SIGF_HANDLER(%esp)
+       leal    FREEBSD_SIGF_SC(%esp),%eax # scp (the call may have clobbered
+                                       # the copy at SIGF_SCP(%esp))
+       pushl   %eax
+       pushl   %eax                    # junk to fake return address
+       movl    $FREEBSD_SYS_sigreturn,%eax
+       int     $0x80                   # enter kernel with args on stack
+       movl    $FREEBSD_SYS_exit,%eax
+       int     $0x80                   # exit if sigreturn fails
+       .globl  _C_LABEL(freebsd_esigcode)
+_C_LABEL(freebsd_esigcode):
diff -r e6d0d8fe7489 -r a8f5771ae36d sys/arch/i386/i386/linux_sigcode.s
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/i386/linux_sigcode.s        Wed Sep 26 09:58:40 2001 +0000
@@ -0,0 +1,117 @@
+/*     $NetBSD: linux_sigcode.s,v 1.5.4.2 2001/09/26 09:58:40 fvdl Exp $       */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Charles M. Hannum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)locore.s    7.3 (Berkeley) 5/13/91
+ */
+
+#if defined(_KERNEL_OPT)
+#include "opt_vm86.h"
+#endif
+
+#include "assym.h"
+
+#include <machine/asm.h>
+#include <machine/psl.h>
+
+#include <compat/linux/linux_syscall.h>
+
+/*****************************************************************************/
+
+/*
+ * Signal trampoline; copied to top of user stack.
+ */
+/* LINTSTUB: Var: char linux_sigcode[1], linux_esigcode[1]; */
+NENTRY(linux_sigcode)
+       call    *LINUX_SIGF_HANDLER(%esp)
+       leal    LINUX_SIGF_SC(%esp),%ebx # scp (the call may have clobbered the
+                                       # copy at SIGF_SCP(%esp))
+       pushl   %eax                    # junk to fake return address
+       movl    $LINUX_SYS_sigreturn,%eax
+       int     $0x80                   # enter kernel with args on stack
+       movl    $LINUX_SYS_exit,%eax
+       int     $0x80                   # exit if sigreturn fails
+       .globl  _C_LABEL(linux_esigcode)
+_C_LABEL(linux_esigcode):
+
+/* LINTSTUB: Var: char linux_rt_sigcode[1], linux_rt_esigcode[1]; */
+NENTRY(linux_rt_sigcode)
+       call    *LINUX_SIGF_HANDLER(%esp)
+       leal    LINUX_SIGF_SC(%esp),%ebx # scp (the call may have clobbered the
+                                       # copy at SIGF_SCP(%esp))
+       pushl   %eax                    # junk to fake return address
+       movl    $LINUX_SYS_rt_sigreturn,%eax
+       int     $0x80                   # enter kernel with args on stack
+       movl    $LINUX_SYS_exit,%eax
+       int     $0x80                   # exit if sigreturn fails
+       .globl  _C_LABEL(linux_rt_esigcode)
+_C_LABEL(linux_rt_esigcode):