[src/trunk]: src/sys/sys The stupid CPP has proven me too clever by half.

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

details:   https://anonhg.NetBSD.org/src/rev/e8a02c4bc776
branches:  trunk
changeset: 1024522:e8a02c4bc776
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Wed Oct 27 05:18:51 2021 +0000

description:
The stupid CPP has proven me too clever by half.

diffstat:

 sys/arch/vax/include/signal.h |   7 +++++-
 sys/sys/signal.h              |  46 ++++++++++++++++++++++--------------------
 2 files changed, 30 insertions(+), 23 deletions(-)

diffs (107 lines):

diff -r d0782306e762 -r e8a02c4bc776 sys/arch/vax/include/signal.h
--- a/sys/arch/vax/include/signal.h     Wed Oct 27 04:48:33 2021 +0000
+++ b/sys/arch/vax/include/signal.h     Wed Oct 27 05:18:51 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: signal.h,v 1.20 2021/10/27 04:10:48 thorpej Exp $      */
+/*     $NetBSD: signal.h,v 1.21 2021/10/27 05:18:51 thorpej Exp $      */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
@@ -42,6 +42,11 @@
 
 /* VAX versioned its sigcontext trampoline ABI (Sept 2002). */
 #define __SIGTRAMP_SIGCONTEXT_VERSION_MAX      2
+#define __SIGTRAMP_SIGCONTEXT_VERSION          2
+
+#define        __SIGTRAMP_SIGINFO_VERSION_MIN          3
+#define        __SIGTRAMP_SIGINFO_VERSION_MAX          3
+#define        __SIGTRAMP_SIGINFO_VERSION              3
 
 typedef int sig_atomic_t;
 
diff -r d0782306e762 -r e8a02c4bc776 sys/sys/signal.h
--- a/sys/sys/signal.h  Wed Oct 27 04:48:33 2021 +0000
+++ b/sys/sys/signal.h  Wed Oct 27 05:18:51 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: signal.h,v 1.73 2021/10/27 04:10:47 thorpej Exp $      */
+/*     $NetBSD: signal.h,v 1.74 2021/10/27 05:18:51 thorpej Exp $      */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1991, 1993
@@ -163,21 +163,21 @@
  *     style handlers pre-dates support for the platform.
  *
  * Some architectures have, in the past, needed to version the "sigcontext"
- * trampoline; an override mechanism (__SIGTRAMP_SIGCONTEXT_VERSION_MAX) is
- * provided for this purpose.  No more changes to the old "sigcontext"
- * trampoline ABI will ever be performed, and support for it should not be
- * included when adding support for new architectures.  Those architectures
- * that support the "sigcontext" trampoline must define
- * __HAVE_STRUCT_SIGCONTEXT in <machine/signal.h>.  If a 64-bit architecture
- * needs to support "sigcontext" trampolines only for 32-bit compatibility,
- * then __HAVE_STRUCT_SIGCONTEXT can be conditional on _KERNEL.
+ * trampoline; an override mechanism is provided for this purpose.  No more
+ * changes to the old "sigcontext" trampoline ABI will ever be performed,
+ * and support for it should not be included when adding support for new
+ * architectures.  Those architectures that support the "sigcontext"
+ * trampoline must define __HAVE_STRUCT_SIGCONTEXT in <machine/signal.h>.
+ * If a 64-bit architecture needs to support "sigcontext" trampolines only
+ * for 32-bit compatibility, then __HAVE_STRUCT_SIGCONTEXT can be conditional
+ * on _KERNEL.
  *
  * If an architecture defines a sigcontext structure in <machine/signal.h>,
  * it should be visible only for _KERNEL and _LIBC.
  *
  * In the unlikely event that an an architecture needs to version
- * the "siginfo" trampoline, it can achieve this by overriding
- * __SIGTRAMP_SIGINFO_VERSION_MAX.
+ * the "siginfo" trampoline, it can achieve this by overriding the
+ * various __SIGTRAMP_SIGINFO_VERSION-related constants.
  */
 
 #include <machine/signal.h>    /* sigcontext; codes for SIGILL, SIGFPE */
@@ -187,31 +187,33 @@
 #define        __SIGTRAMP_SIGCONTEXT_VERSION_MIN 1
 
 #ifndef __SIGTRAMP_SIGCONTEXT_VERSION_MAX
-#define        __SIGTRAMP_SIGCONTEXT_VERSION_MAX __SIGTRAMP_SIGCONTEXT_VERSION_MIN
+#define        __SIGTRAMP_SIGCONTEXT_VERSION_MAX 1
+#endif
+
+#ifndef __SIGTRAMP_SIGCONTEXT_VERSION
+#define        __SIGTRAMP_SIGCONTEXT_VERSION     1
 #endif
 
 #if __SIGTRAMP_SIGCONTEXT_VERSION_MAX < __SIGTRAMP_SIGCONTEXT_VERSION_MIN
 #error invalid __SIGTRAMP_SIGCONTEXT_VERSION_MAX
 #endif
 
-#define        __SIGTRAMP_SIGINFO_VERSION_MIN  (__SIGTRAMP_SIGCONTEXT_VERSION_MAX + 1)
+#ifndef __SIGTRAMP_SIGINFO_VERSION_MIN
+#define        __SIGTRAMP_SIGINFO_VERSION_MIN    2
+#endif
 
 #ifndef __SIGTRAMP_SIGINFO_VERSION_MAX
-#define        __SIGTRAMP_SIGINFO_VERSION_MAX  __SIGTRAMP_SIGINFO_VERSION_MIN
+#define        __SIGTRAMP_SIGINFO_VERSION_MAX    2
+#endif
+
+#ifndef __SIGTRAMP_SIGINFO_VERSION
+#define        __SIGTRAMP_SIGINFO_VERSION        2
 #endif
 
 #if __SIGTRAMP_SIGINFO_VERSION_MAX < __SIGTRAMP_SIGINFO_VERSION_MIN
 #error invalid __SIGTRAMP_SIGINFO_VERSION_MAX
 #endif
 
-#ifndef __SIGTRAMP_SIGCONTEXT_VERSION
-#define        __SIGTRAMP_SIGCONTEXT_VERSION   __SIGTRAMP_SIGCONTEXT_VERSION_MAX
-#endif
-
-#ifndef __SIGTRAMP_SIGINFO_VERSION
-#define        __SIGTRAMP_SIGINFO_VERSION      __SIGTRAMP_SIGINFO_VERSION_MAX
-#endif
-
 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
 #define SA_ONSTACK     0x0001  /* take signal on signal stack */