Check for Solaris specific program headers PT_SUNW_SYSSTAT and PT_SUNW_SYSSTAT_ZONE;
and act accordingly. Test cases provided. n-i-bz
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15469 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.ac b/configure.ac
index 3024e3c..532e42e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3279,6 +3279,60 @@
AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
[Version number of the repository door cache protocol.])
+
+# Solaris-specific check determining if "sysstat" segment reservation type
+# is available.
+#
+# New "sysstat" segment reservation (available on Solaris 12):
+# - program header type: PT_SUNW_SYSSTAT
+# - auxiliary vector entry: AT_SUN_SYSSTAT_ADDR
+#
+# C-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
+# Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
+#
+AC_MSG_CHECKING([for the new `sysstat' segment reservation (Solaris-specific)])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/auxv.h>
+]], [[
+ return !AT_SUN_SYSSTAT_ADDR;
+]])], [
+solaris_reserve_sysstat_addr=yes
+AC_MSG_RESULT([yes])
+AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ADDR], 1,
+ [Define to 1 if you have the new `sysstat' segment reservation.])
+], [
+solaris_reserve_sysstat_addr=no
+AC_MSG_RESULT([no])
+])
+AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, test x$solaris_reserve_sysstat_addr = xyes)
+
+
+# Solaris-specific check determining if "sysstat_zone" segment reservation type
+# is available.
+#
+# New "sysstat_zone" segment reservation (available on Solaris 12):
+# - program header type: PT_SUNW_SYSSTAT_ZONE
+# - auxiliary vector entry: AT_SUN_SYSSTAT_ZONE_ADDR
+#
+# C-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
+# Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
+#
+AC_MSG_CHECKING([for the new `sysstat_zone' segment reservation (Solaris-specific)])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/auxv.h>
+]], [[
+ return !AT_SUN_SYSSTAT_ZONE_ADDR;
+]])], [
+solaris_reserve_sysstat_zone_addr=yes
+AC_MSG_RESULT([yes])
+AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR], 1,
+ [Define to 1 if you have the new `sysstat_zone' segment reservation.])
+], [
+solaris_reserve_sysstat_zone_addr=no
+AC_MSG_RESULT([no])
+])
+AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, test x$solaris_reserve_sysstat_zone_addr = xyes)
+
else
AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
@@ -3300,6 +3354,8 @@
AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
+AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, false)
+AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, false)
fi # test "$VGCONF_OS" = "solaris"