[src/trunk]: src/sys/arch/powerpc/powerpc Improve sigcode.S template so linux...

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

details:   https://anonhg.NetBSD.org/src/rev/ed50b6dae139
branches:  trunk
changeset: 541835:ed50b6dae139
user:      matt <matt%NetBSD.org@localhost>
date:      Sun Jan 19 00:00:11 2003 +0000

description:
Improve sigcode.S template so linux_sigcode.S can use it as well.  Add a
netbsd32_sigcode.S.

diffstat:

 sys/arch/powerpc/powerpc/linux_sigcode.S    |  32 +++++----------------
 sys/arch/powerpc/powerpc/netbsd32_sigcode.S |  43 +++++++++++++++++++++++++++++
 sys/arch/powerpc/powerpc/sigcode.S          |  22 +++++++++++---
 3 files changed, 68 insertions(+), 29 deletions(-)

diffs (141 lines):

diff -r 4e1218393806 -r ed50b6dae139 sys/arch/powerpc/powerpc/linux_sigcode.S
--- a/sys/arch/powerpc/powerpc/linux_sigcode.S  Sat Jan 18 23:58:19 2003 +0000
+++ b/sys/arch/powerpc/powerpc/linux_sigcode.S  Sun Jan 19 00:00:11 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_sigcode.S,v 1.2 2001/04/11 19:41:02 manu Exp $ */
+/*     $NetBSD: linux_sigcode.S,v 1.3 2003/01/19 00:00:11 matt Exp $ */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -38,8 +38,6 @@
  * Emmanuel Dreyfus <p99dreyf%criens.u-psud.fr@localhost>
  */
 
-#include <machine/asm.h>
-
 #include <compat/linux/linux_syscall.h>
 
 /*
@@ -47,24 +45,10 @@
  */
 #define LINUX__SIGNAL_FRAMESIZE 64
 
-/*
- * The following code gets copied to the top of the user stack on process
- * execution.  It does signal trampolining on signal delivery.
- *
- * On entry r1 points to a struct sigframe at bottom of current stack.
- * All other registers are unchanged.
- * 
- * XXX Linux just does this: 
- *  0x38007777   li r0,0x7777
- *  0x44000002   sc
- */
-       .globl  _C_LABEL(linux_sigcode),_C_LABEL(linux_esigcode)
-_C_LABEL(linux_sigcode):
-       addi    1,1,-16                 /* reserved space for callee */
-       blrl
-       addi    3,1,16+LINUX__SIGNAL_FRAMESIZE  /* compute &sf_sc */
-       li      0,LINUX_SYS_sigreturn
-       sc                              /* linux_sys_sigreturn(scp) */
-       li      0,LINUX_SYS_exit
-       sc                              /* linux_sys_exit(errno) */
-_C_LABEL(linux_esigcode):
+#define        SIGCODE_NAME            linux_sigcode
+#define        ESIGCODE_NAME           linux_esigcode
+#define        SIGNAL_FRAMESIZE        LINUX_SIGNAL_FRAMESIZE
+#define        SIGRETURN_NAME          LINUX_SYS_sigreturn
+#define        EXIT_NAME               LINUX_SYS_exit
+
+#include "sigcode.S"
diff -r 4e1218393806 -r ed50b6dae139 sys/arch/powerpc/powerpc/netbsd32_sigcode.S
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/powerpc/powerpc/netbsd32_sigcode.S       Sun Jan 19 00:00:11 2003 +0000
@@ -0,0 +1,43 @@
+/*     $NetBSD: netbsd32_sigcode.S,v 1.1 2003/01/19 00:00:11 matt Exp $        */
+
+/*
+ * Copyright (C) 1995, 1996 Wolfgang Solfrank.
+ * Copyright (C) 1995, 1996 TooLs GmbH.
+ * All rights reserved.
+ *
+ * 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 TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
+ */
+
+#include <sys/syscall.h>
+#include <compat/netbsd32/netbsd32_syscall.h>
+
+#define SIGCODE_NAME           netbsd32_sigcode
+#define ESIGCODE_NAME          netbsd32_esigcode
+#define SIGRETURN_NAME         netbsd32_SYS_netbsd32___sigreturn14
+#define EXIT_NAME              netbsd32_SYS_netbsd32_exit
+#define        SIGCALLFRAMESIZE        16
+
+#include "sigcode.S"
diff -r 4e1218393806 -r ed50b6dae139 sys/arch/powerpc/powerpc/sigcode.S
--- a/sys/arch/powerpc/powerpc/sigcode.S        Sat Jan 18 23:58:19 2003 +0000
+++ b/sys/arch/powerpc/powerpc/sigcode.S        Sun Jan 19 00:00:11 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sigcode.S,v 1.3 2003/01/18 23:46:32 matt Exp $ */
+/*     $NetBSD: sigcode.S,v 1.4 2003/01/19 00:00:12 matt Exp $ */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -41,6 +41,17 @@
 #define        SIGRETURN_NAME  SYS___sigreturn14
 #define        EXIT_NAME       SYS_exit
 #endif
+#ifndef SIGNAL_FRAMESIZE
+#define SIGNAL_FRAMESIZE       0
+#endif
+#ifndef SIGCALLFRAMESIZE
+#ifdef _LP64
+#define        SIGCALLFRAMESIZE        32
+#else
+#define        SIGCALLFRAMESIZE        16
+#endif
+#endif
+
 /*
  * The following code gets copied to the top of the user stack on process
  * execution.  It does signal trampolining on signal delivery.
@@ -50,11 +61,12 @@
  */
        .globl  _C_LABEL(SIGCODE_NAME),_C_LABEL(ESIGCODE_NAME)
 _C_LABEL(SIGCODE_NAME):
-       addi    %r1,%r1,-16             /* reserved space for callee */
+       addi    %r1,%r1,-SIGCALLFRAMESIZE       /* reserved space for callee */
        blrl
-       addi    %r3,%r1,16              /* compute &sf_sc */
+       addi    %r3,%r1,SIGCALLFRAMESIZE+SIGNAL_FRAMESIZE
+                                               /* compute &sf_sc */
        li      %r0,SIGRETURN_NAME
-       sc                              /* sigreturn(scp) */
+       sc                                      /* sigreturn(scp) */
        li      %r0,EXIT_NAME
-       sc                              /* exit(errno) */
+       sc                                      /* exit(errno) */
 _C_LABEL(ESIGCODE_NAME):