* solaris_threads.c (MAX_ORIG_STACK_SIZE) [I386]: Provide special

	Solaris 2/Intel definition.

	* configure.in (i?86-*-solaris2.[89]*): Define
	SOLARIS25_PROC_VDB_BUG_FIXED.
	* include/private/gcconfig.h [I386 && SUNOS5]: Use it.
	* configure: Regenerate.

	* include/private/gcconfig.h [I386 && SUNOS5] (DATASTART): Use _etext.
	(DATAEND): Define using _end.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45825 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index d1c9c04..a97a5e9 100644 (file)
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,16 @@
+2001-09-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * solaris_threads.c (MAX_ORIG_STACK_SIZE) [I386]: Provide special
+       Solaris 2/Intel definition.
+       
+       * configure.in (i?86-*-solaris2.[89]*): Define
+       SOLARIS25_PROC_VDB_BUG_FIXED.
+       * include/private/gcconfig.h [I386 && SUNOS5]: Use it.
+       * configure: Regenerate.
+
+       * include/private/gcconfig.h [I386 && SUNOS5] (DATASTART): Use _etext.
+       (DATAEND): Define using _end.
+

 2001-09-11  Per Bothner  <per@bothner.com>
 
        * include/Makefile.am:  New file.  It defines include_HEADERS.
 2001-09-11  Per Bothner  <per@bothner.com>
 
        * include/Makefile.am:  New file.  It defines include_HEADERS.

diff --git a/boehm-gc/configure b/boehm-gc/configure
index b975d0c..79d9655 100755 (executable)
--- a/boehm-gc/configure
+++ b/boehm-gc/configure
@@ -2807,6 +2807,12 @@ case "$host" in
  alpha*-*-*)
     machdep="alpha_mach_dep.lo"
     ;;
  alpha*-*-*)
     machdep="alpha_mach_dep.lo"
     ;;

+ i?86-*-solaris2.[89]*)
+    cat >> confdefs.h <<\EOF
+#define SOLARIS25_PROC_VDB_BUG_FIXED 1
+EOF
+
+    ;;

  mipstx39-*-elf*)
     machdep="mips_ultrix_mach_dep.lo"
     cat >> confdefs.h <<\EOF
  mipstx39-*-elf*)
     machdep="mips_ultrix_mach_dep.lo"
     cat >> confdefs.h <<\EOF

diff --git a/boehm-gc/configure.in b/boehm-gc/configure.in
index 8fc2cdf..48f6990 100644 (file)
--- a/boehm-gc/configure.in
+++ b/boehm-gc/configure.in
@@ -153,6 +153,9 @@ case "$host" in
  alpha*-*-*)
     machdep="alpha_mach_dep.lo"
     ;;
  alpha*-*-*)
     machdep="alpha_mach_dep.lo"
     ;;

+ i?86-*-solaris2.[[89]]*)
+    AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED)
+    ;;

  mipstx39-*-elf*)
     machdep="mips_ultrix_mach_dep.lo"
     AC_DEFINE(STACKBASE, __stackbase)
  mipstx39-*-elf*)
     machdep="mips_ultrix_mach_dep.lo"
     AC_DEFINE(STACKBASE, __stackbase)

diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
index e8bac1b..4e20f48 100644 (file)
--- a/boehm-gc/include/private/gcconfig.h
+++ b/boehm-gc/include/private/gcconfig.h
@@ -838,9 +838,10 @@
 #   endif
 #   ifdef SUNOS5
 #      define OS_TYPE "SUNOS5"
 #   endif
 #   ifdef SUNOS5
 #      define OS_TYPE "SUNOS5"

-       extern int etext, _start;
+       extern int _etext, _end;

        extern char * GC_SysVGetDataStart();
        extern char * GC_SysVGetDataStart();

-#       define DATASTART GC_SysVGetDataStart(0x1000, &etext)
+#       define DATASTART GC_SysVGetDataStart(0x1000, &_etext)
+#      define DATAEND (&_end)

 /*     # define STACKBOTTOM ((ptr_t)(&_start)) worked through 2.7,     */
 /*      but reportedly breaks under 2.8.  It appears that the stack    */
 /*     base is a property of the executable, so this should not break  */
 /*     # define STACKBOTTOM ((ptr_t)(&_start)) worked through 2.7,     */
 /*      but reportedly breaks under 2.8.  It appears that the stack    */
 /*     base is a property of the executable, so this should not break  */


@@ -849,7 +850,9 @@
 #       include <sys/vmparam.h>
 #      define STACKBOTTOM USRSTACK
 /** At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */
 #       include <sys/vmparam.h>
 #      define STACKBOTTOM USRSTACK
 /** At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */

-/*#    define PROC_VDB*/
+#      ifdef SOLARIS25_PROC_VDB_BUG_FIXED
+#        define PROC_VDB
+#      endif

 #      define DYNAMIC_LOADING
 #      ifndef USE_MMAP
 #          define USE_MMAP
 #      define DYNAMIC_LOADING
 #      ifndef USE_MMAP
 #          define USE_MMAP

diff --git a/boehm-gc/solaris_threads.c b/boehm-gc/solaris_threads.c
index 8cc6319..a0d0340 100644 (file)
--- a/boehm-gc/solaris_threads.c
+++ b/boehm-gc/solaris_threads.c
@@ -621,7 +621,18 @@ GC_thread GC_lookup_thread(thread_t id)
     return(p);
 }
 
     return(p);
 }
 

+/* Solaris 2/Intel uses an initial stack size limit slightly bigger than the
+   SPARC default of 8 MB.  Account for this to warn only if the user has
+   raised the limit beyond the default.
+
+   This is identical to DFLSSIZ defined in <sys/vm_machparam.h>.  This file
+   is installed in /usr/platform/`uname -m`/include, which is not in the
+   default include directory list, so copy the definition here.  */
+#ifdef I386
+# define MAX_ORIG_STACK_SIZE (8 * 1024 * 1024 + ((USRSTACK) & 0x3FFFFF))
+#else

 # define MAX_ORIG_STACK_SIZE (8 * 1024 * 1024)
 # define MAX_ORIG_STACK_SIZE (8 * 1024 * 1024)

+#endif

 
 word GC_get_orig_stack_size() {
     struct rlimit rl;
 
 word GC_get_orig_stack_size() {
     struct rlimit rl;