* include/private/gcconfig.h (DATAEND): Clarify comment.

From-SVN: r52054

diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index 157adaa..896ec3e 100644 (file)
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,7 @@
+2002-04-08  Loren J. Rittle  <ljrittle@acm.org>
+
+       * include/private/gcconfig.h (DATAEND): Clarify comment.
+
 2002-04-08  Hans Boehm  <Hans_Boehm@hp.com>
        
        * include/private/gc_priv.h (WARN macro): Add "GC warning:" prefix.

diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
index a3f468f..9151a2f 100644 (file)
--- a/boehm-gc/include/private/gcconfig.h
+++ b/boehm-gc/include/private/gcconfig.h
@@ -453,6 +453,9 @@
  * DATAEND, if not `end' where `end' is defined as ``extern int end[];''.
  * RTH suggests gaining access to linker script synth'd values with
  * this idiom instead of `&end' where `end' is defined as ``extern int end;'' .
+ * Otherwise, ``GCC will assume these are in .sdata/.sbss'' and it will
+ * cause failures on alpha*-*-* with ``-msmall-data or -fpic'' or mips-*-*
+ * or ia64-*-* without any special options.
  *
  * ALIGN_DOUBLE of GC_malloc should return blocks aligned to twice
  * the pointer size.