From 3308c46e47a0b17d37b4c29a130e6519c424a737 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Thu, 29 Aug 2002 17:53:28 +0000
Subject: jvm.h (struct _Jv_frame_info): New structure.

	* 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.

From-SVN: r56657
---
 libjava/java/lang/Thread.java       |  5 +++++
 libjava/java/lang/natVMThrowable.cc | 30 +++++++++++++++++++++++++++---
 2 files changed, 32 insertions(+), 3 deletions(-)

(limited to 'libjava/java/lang')

diff --git a/libjava/java/lang/Thread.java b/libjava/java/lang/Thread.java
index af5b95f..64d58dd 100644
--- a/libjava/java/lang/Thread.java
+++ b/libjava/java/lang/Thread.java
@@ -10,6 +10,8 @@ details.  */
 
 package java.lang;
 
+import gnu.gcj.RawData;
+
 /**
  * @author Tom Tromey <tromey@cygnus.com>
  * @date August 24, 1998 
@@ -311,6 +313,9 @@ public class Thread implements Runnable
   private boolean startable_flag;
   private ClassLoader context_class_loader;
 
+  // This describes the top-most interpreter frame for this thread.
+  RawData interp_frame;
+
   // Our native data - points to an instance of struct natThread.
   private Object data;
 }
diff --git a/libjava/java/lang/natVMThrowable.cc b/libjava/java/lang/natVMThrowable.cc
index 358bab7..f5c56c7 100644
--- a/libjava/java/lang/natVMThrowable.cc
+++ b/libjava/java/lang/natVMThrowable.cc
@@ -26,6 +26,8 @@ details.  */
 #include <java-threads.h>
 #include <java/lang/Throwable.h>
 #include <java/lang/VMThrowable.h>
+#include <java/lang/Thread.h>
+#include <java-interp.h>
 
 #include <sys/types.h>
 
@@ -54,13 +56,35 @@ java::lang::VMThrowable::fillInStackTrace (java::lang::Throwable* t)
   // to include the calls to fillInStackTrace in the trace.
   int n = backtrace (p, 128) - 1;  
 
-  void **addrs;
+  _Jv_frame_info *addrs;
   if (n > 0)
     {
+#ifdef INTERPRETER
+      extern void _Jv_StartOfInterpreter (void);
+      extern void _Jv_EndOfInterpreter (void);
+
+      java::lang::Thread *thread = java::lang::Thread::currentThread();
+      _Jv_MethodChain *interp_frame
+	= (thread ? reinterpret_cast<_Jv_MethodChain *> (thread->interp_frame)
+	   : NULL);
+#endif // INTERPRETER
+
       state->length = n;
-      addrs = (void **) _Jv_Malloc (n * sizeof p[0]);
+      int len = n;
+      addrs = (_Jv_frame_info *) _Jv_Malloc (n * sizeof (_Jv_frame_info));
       while (n--)
-	addrs[n] = p[n];
+	{
+	  addrs[n].addr = p[n];
+#ifdef INTERPRETER
+	  if (p[n] >= &_Jv_StartOfInterpreter && p[n] <= &_Jv_EndOfInterpreter)
+	    {
+	      addrs[n].interp = (void *) interp_frame->self;
+	      interp_frame = interp_frame->next;
+	    }
+	  else
+	    addrs[n].interp = 0;
+#endif // INTERPRETER
+	}
     }
   else
     addrs = NULL;
-- 
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