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-rw-r--r--libjava/include/java-insns.h6
-rw-r--r--libjava/include/java-interp.h12
2 files changed, 14 insertions, 4 deletions
diff --git a/libjava/include/java-insns.h b/libjava/include/java-insns.h
index a065987fc51..824e44186a0 100644
--- a/libjava/include/java-insns.h
+++ b/libjava/include/java-insns.h
@@ -1,6 +1,6 @@
// java-insns.h - Instruction encodings. This is -*- c++ -*-
-/* Copyright (C) 1999, 2001, 2002 Free Software Foundation
+/* Copyright (C) 1999, 2001, 2002, 2006 Free Software Foundation
This file is part of libgcj.
@@ -199,9 +199,7 @@ enum java_opcode
op_invokespecial = 0xb7,
op_invokestatic = 0xb8,
op_invokeinterface = 0xb9,
-
- // 0xba is unused.
-
+ op_breakpoint = 0xba,
op_new = 0xbb,
op_newarray = 0xbc,
op_anewarray = 0xbd,
diff --git a/libjava/include/java-interp.h b/libjava/include/java-interp.h
index 276a887be34..74846c9f6b2 100644
--- a/libjava/include/java-interp.h
+++ b/libjava/include/java-interp.h
@@ -133,6 +133,14 @@ struct _Jv_LineTableEntry
class _Jv_InterpMethod : public _Jv_MethodBase
{
+ // Breakpoint instruction
+ static pc_t breakpoint_insn;
+#ifdef DIRECT_THREADED
+ static insn_slot bp_insn_slot;
+#else
+ static unsigned char bp_insn_opcode;
+#endif
+
_Jv_ushort max_stack;
_Jv_ushort max_locals;
int code_length;
@@ -206,6 +214,10 @@ class _Jv_InterpMethod : public _Jv_MethodBase
void get_line_table (jlong& start, jlong& end, jintArray& line_numbers,
jlongArray& code_indices);
+ /* Installs a break instruction at the given code index. Returns
+ the pc_t of the breakpoint or NULL if index is invalid. */
+ pc_t install_break (jlong index);
+
// Gets the instruction at the given index
pc_t get_insn (jlong index);