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authorRoman Zippel <zippel@linux-m68k.org>2007-09-06 16:39:58 +0000
committerMatthias Klose <doko@gcc.gnu.org>2007-09-06 16:39:58 +0000
commitdbc293c8e4f11e261c89366701fc7a982ef8d39a (patch)
tree347b39da00d758b1bf1ed403b8a4b9f503e5c2d2 /gcc
parent5ffeb913b1a455fe79c1c116fc75f09c21194815 (diff)
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boehm.c: Don't use bitmap as gc_descr if pointer is misaligned.
gcc/java/ 2007-09-06 Roman Zippel <zippel@linux-m68k.org> * boehm.c: Don't use bitmap as gc_descr if pointer is misaligned. libjava/ 2007-09-06 Roman Zippel <zippel@linux-m68k.org> * sysdep/m68k/locks.h: New file. * configure.host: Set sysdeps_dir and libgcj_interpreter for m68k. * configure.ac: Set SIGNAL_HANDLER for m68*-*-linux*. * configure: Regenerate. From-SVN: r128191
Diffstat (limited to 'gcc')
-rw-r--r--gcc/java/ChangeLog4
-rw-r--r--gcc/java/boehm.c8
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 94a5fe3..42b0e49 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,7 @@
+2007-09-06 Roman Zippel <zippel@linux-m68k.org>
+
+ * boehm.c: Don't use bitmap as gc_descr if pointer is misaligned.
+
2007-09-06 Tom Tromey <tromey@redhat.com>
* lang.c (java_post_options): Update.
diff --git a/gcc/java/boehm.c b/gcc/java/boehm.c
index 434de92..c44c620 100644
--- a/gcc/java/boehm.c
+++ b/gcc/java/boehm.c
@@ -97,6 +97,14 @@ mark_reference_fields (tree field,
offset = int_byte_position (field);
size_bytes = int_size_in_bytes (TREE_TYPE (field));
+
+ if (offset % (POINTER_SIZE / BITS_PER_UNIT))
+ {
+ *all_bits_set = -1;
+ *pointer_after_end = 1;
+ break;
+ }
+
if (JREFERENCE_TYPE_P (TREE_TYPE (field))
/* An `object' of type gnu.gcj.RawData is actually non-Java
data. */