* include/jvm.h (struct _Jv_frame_info): New structure.

	* gnu/gcj/runtime/natNameFinder.cc: Include StringBuffer.h,
	java-interp.h.
	(lookupInterp): New method.
	(getAddrAsString): Use _Jv_frame_info.
	(dladdrLookup): Likewise.
	* gnu/gcj/runtime/NameFinder.java (lookup): Try to look up
	interpreted frame.
	(lookupInterp): Declare.
	* java/lang/natVMThrowable.cc: Include Thread.h, java-interp.h.
	(fillInStackTrace): Collect information on interpreted frames.
	Use _Jv_frame_info.
	* interpret.cc: Include Thread.h.
	(run): Create and push _Jv_MethodChain object.
	(_Jv_EndOfInterpreter): New global.
	* java/lang/Thread.java (interp_frame): New field.
	* include/java-interp.h (struct _Jv_MethodChain): New structure.
	Include NameFinder.h.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56657 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 24 insertions, 0 deletions

diff --git a/libjava/include/java-interp.h b/libjava/include/java-interp.h
index de1d88f452e..e3f96713ce7 100644
--- a/libjava/include/java-interp.h
+++ b/libjava/include/java-interp.h
@@ -13,6 +13,7 @@ details.  */
 
 #include <jvm.h>
 #include <java-cpool.h>
+#include <gnu/gcj/runtime/NameFinder.h>
 
 #ifdef INTERPRETER
 
@@ -138,6 +139,7 @@ class _Jv_InterpMethod : public _Jv_MethodBase
 
   friend class _Jv_ClassReader;
   friend class _Jv_BytecodeVerifier;
+  friend class gnu::gcj::runtime::NameFinder;
 
   friend void _Jv_PrepareClass(jclass);
 };
@@ -205,6 +207,28 @@ public:
   }
 };
 
+// A structure of this type is used to link together interpreter
+// invocations on the stack.
+struct _Jv_MethodChain
+{
+  const _Jv_InterpMethod *self;
+  _Jv_MethodChain **ptr;
+  _Jv_MethodChain *next;
+
+  _Jv_MethodChain (const _Jv_InterpMethod *s, _Jv_MethodChain **n)
+  {
+    self = s;
+    ptr = n;
+    next = *n;
+    *n = this;
+  }
+
+  ~_Jv_MethodChain ()
+  {
+    *ptr = next;
+  }
+};
+
 #endif /* INTERPRETER */
 
 #endif /* __JAVA_INTERP_H__ */