From cbbf0e3ce1b0416b8a85ca267b7b32a7b1010a86 Mon Sep 17 00:00:00 2001 From: bothner Date: Mon, 28 Mar 2005 08:09:38 +0000 Subject: [PATCH] * boehm.cc (_Jv_MarkObj): Don't follow null pointer to static field, which can happen if class is JV_STATE_LOADED but not JV_STATE_PREPARED. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97128 138bc75d-0d04-0410-961f-82ee72b054a4 --- libjava/ChangeLog | 5 +++++ libjava/boehm.cc | 6 ++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/libjava/ChangeLog b/libjava/ChangeLog index 8659e83..24faa64 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,8 @@ +2005-03-28 Per Bothner + + * boehm.cc (_Jv_MarkObj): Don't follow null pointer to static field, + which can happen if class is JV_STATE_LOADED but not JV_STATE_PREPARED. + 2005-03-27 Andreas Tobler * Makefile.am (classes.stamp): Add gnu/gcj/tools/gcj_dbtool/Main.java diff --git a/libjava/boehm.cc b/libjava/boehm.cc index 2e64b1c..af26c2b 100644 --- a/libjava/boehm.cc +++ b/libjava/boehm.cc @@ -189,9 +189,11 @@ _Jv_MarkObj (void *addr, void *msp, void *msl, void *env) // mark also the value pointed to. We check for isResolved // since marking can happen before memory is allocated for // static members. - if (JvFieldIsRef (field) && field->isResolved()) + // Note that field->u.addr may be null if the class c is + // JV_STATE_LOADED but not JV_STATE_PREPARED (initialized). + if (JvFieldIsRef (field) && p && field->isResolved()) { - jobject val = *(jobject*) field->u.addr; + jobject val = *(jobject*) p; p = (GC_PTR) val; MAYBE_MARK (p, mark_stack_ptr, mark_stack_limit, c); } -- 2.7.4