mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-07 13:54:33 +00:00
2697 lines
54 KiB
C++
2697 lines
54 KiB
C++
// interpret-run.cc - Code to interpret bytecode
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/* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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/* This file is meant only to be included in interpret.cc, it should not be
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* compiled directly. */
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using namespace java::lang::reflect;
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pc_t pc = NULL;
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// FRAME_DESC registers this particular invocation as the top-most
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// interpreter frame. This lets the stack tracing code (for
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// Throwable) print information about the method being interpreted
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// rather than about the interpreter itself. FRAME_DESC has a
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// destructor so it cleans up automatically when the interpreter
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// returns.
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java::lang::Thread *thread = java::lang::Thread::currentThread();
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#ifdef __GCJ_DEBUG
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_Jv_InterpFrame frame_desc (meth, thread, NULL, &pc);
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#else
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_Jv_InterpFrame frame_desc (meth, thread);
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#endif
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#ifdef DIRECT_THREADED
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ThreadCountAdjuster adj (meth, &frame_desc);
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#endif // DIRECT_THREADED
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_Jv_word stack[meth->max_stack];
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_Jv_word *sp = stack;
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_Jv_word locals[meth->max_locals];
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#ifdef __GCJ_DEBUG
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// This is the information needed to get and set local variables with
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// proper type checking.
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frame_desc.locals = locals;
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char locals_type[meth->max_locals];
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frame_desc.locals_type = locals_type;
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// Set all slots as invalid until they are written to.
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memset (locals_type, 'x', meth->max_locals);
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// We need to set the local variable types for the method arguments since
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// they are valid at invocation.
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_Jv_Method *method = meth->get_method ();
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int type_ctr = 0;
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// If the method is non-static, we need to set the type for the "this" pointer.
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if ((method->accflags & java::lang::reflect::Modifier::STATIC) == 0)
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{
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if (args)
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{
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// Set the "this" pointer for this frame.
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_Jv_word *this_ptr = reinterpret_cast<_Jv_word *> (args);
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frame_desc.obj_ptr = this_ptr[0].o;
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}
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frame_desc.locals_type[0] = 'o';
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type_ctr++;
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}
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// Now parse the method signature to set the types of the other arguments.
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int sig_len = method->signature->len ();
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char *signature = method->signature->chars ();
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for (int i = 1; signature[i] != ')' && i <= sig_len; i++)
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{
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if (signature[i] == 'Z' || signature[i] == 'B' || signature[i] == 'C'
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|| signature[i] == 'S' || signature[i] == 'I')
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{
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frame_desc.locals_type[type_ctr] = 'i';
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type_ctr++;
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continue;
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}
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else if (signature[i] == 'F')
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{
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frame_desc.locals_type[type_ctr] = 'f';
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type_ctr++;
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continue;
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}
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else if (signature[i] == 'J')
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{
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frame_desc.locals_type[type_ctr] = 'l';
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frame_desc.locals_type[type_ctr+1] = 'x';
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type_ctr += 2;
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continue;
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}
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else if (signature[i] == 'D')
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{
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frame_desc.locals_type[type_ctr] = 'd';
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frame_desc.locals_type[type_ctr+1] = 'x';
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type_ctr += 2;
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continue;
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}
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else if (signature[i] == 'L')
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{
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frame_desc.locals_type[type_ctr] = 'o';
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type_ctr++;
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while (signature[i] != ';')
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i++;
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continue;
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}
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else if (signature[i] == '[')
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{
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frame_desc.locals_type[type_ctr] = 'o';
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type_ctr++;
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// Ignore multi-dimensional arrays.
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while (signature[i] == '[')
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i++;
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// Check for an object array
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if (signature[i] == 'L')
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{
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while (signature[i] != ';')
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i++;
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}
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continue;
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}
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}
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#endif /* __GCJ_DEBUG */
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#define INSN_LABEL(op) &&insn_##op
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static const void *const insn_target[] =
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{
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INSN_LABEL(nop),
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INSN_LABEL(aconst_null),
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INSN_LABEL(iconst_m1),
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INSN_LABEL(iconst_0),
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INSN_LABEL(iconst_1),
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INSN_LABEL(iconst_2),
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INSN_LABEL(iconst_3),
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INSN_LABEL(iconst_4),
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INSN_LABEL(iconst_5),
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INSN_LABEL(lconst_0),
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INSN_LABEL(lconst_1),
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INSN_LABEL(fconst_0),
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INSN_LABEL(fconst_1),
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INSN_LABEL(fconst_2),
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INSN_LABEL(dconst_0),
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INSN_LABEL(dconst_1),
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INSN_LABEL(bipush),
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INSN_LABEL(sipush),
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INSN_LABEL(ldc),
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INSN_LABEL(ldc_w),
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INSN_LABEL(ldc2_w),
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INSN_LABEL(iload),
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INSN_LABEL(lload),
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INSN_LABEL(fload),
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INSN_LABEL(dload),
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INSN_LABEL(aload),
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INSN_LABEL(iload_0),
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INSN_LABEL(iload_1),
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INSN_LABEL(iload_2),
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INSN_LABEL(iload_3),
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INSN_LABEL(lload_0),
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INSN_LABEL(lload_1),
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INSN_LABEL(lload_2),
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INSN_LABEL(lload_3),
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INSN_LABEL(fload_0),
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INSN_LABEL(fload_1),
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INSN_LABEL(fload_2),
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INSN_LABEL(fload_3),
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INSN_LABEL(dload_0),
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INSN_LABEL(dload_1),
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INSN_LABEL(dload_2),
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INSN_LABEL(dload_3),
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INSN_LABEL(aload_0),
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INSN_LABEL(aload_1),
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INSN_LABEL(aload_2),
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INSN_LABEL(aload_3),
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INSN_LABEL(iaload),
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INSN_LABEL(laload),
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INSN_LABEL(faload),
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INSN_LABEL(daload),
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INSN_LABEL(aaload),
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INSN_LABEL(baload),
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INSN_LABEL(caload),
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INSN_LABEL(saload),
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INSN_LABEL(istore),
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INSN_LABEL(lstore),
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INSN_LABEL(fstore),
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INSN_LABEL(dstore),
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INSN_LABEL(astore),
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INSN_LABEL(istore_0),
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INSN_LABEL(istore_1),
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INSN_LABEL(istore_2),
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INSN_LABEL(istore_3),
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INSN_LABEL(lstore_0),
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INSN_LABEL(lstore_1),
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INSN_LABEL(lstore_2),
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INSN_LABEL(lstore_3),
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INSN_LABEL(fstore_0),
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INSN_LABEL(fstore_1),
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INSN_LABEL(fstore_2),
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INSN_LABEL(fstore_3),
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INSN_LABEL(dstore_0),
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INSN_LABEL(dstore_1),
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INSN_LABEL(dstore_2),
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INSN_LABEL(dstore_3),
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INSN_LABEL(astore_0),
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INSN_LABEL(astore_1),
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INSN_LABEL(astore_2),
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INSN_LABEL(astore_3),
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INSN_LABEL(iastore),
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INSN_LABEL(lastore),
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INSN_LABEL(fastore),
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INSN_LABEL(dastore),
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INSN_LABEL(aastore),
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INSN_LABEL(bastore),
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INSN_LABEL(castore),
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INSN_LABEL(sastore),
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INSN_LABEL(pop),
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INSN_LABEL(pop2),
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INSN_LABEL(dup),
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INSN_LABEL(dup_x1),
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INSN_LABEL(dup_x2),
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INSN_LABEL(dup2),
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INSN_LABEL(dup2_x1),
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INSN_LABEL(dup2_x2),
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INSN_LABEL(swap),
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INSN_LABEL(iadd),
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INSN_LABEL(ladd),
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INSN_LABEL(fadd),
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INSN_LABEL(dadd),
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INSN_LABEL(isub),
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INSN_LABEL(lsub),
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INSN_LABEL(fsub),
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INSN_LABEL(dsub),
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INSN_LABEL(imul),
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INSN_LABEL(lmul),
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INSN_LABEL(fmul),
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INSN_LABEL(dmul),
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INSN_LABEL(idiv),
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INSN_LABEL(ldiv),
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INSN_LABEL(fdiv),
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INSN_LABEL(ddiv),
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INSN_LABEL(irem),
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INSN_LABEL(lrem),
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INSN_LABEL(frem),
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INSN_LABEL(drem),
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INSN_LABEL(ineg),
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INSN_LABEL(lneg),
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INSN_LABEL(fneg),
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INSN_LABEL(dneg),
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INSN_LABEL(ishl),
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INSN_LABEL(lshl),
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INSN_LABEL(ishr),
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INSN_LABEL(lshr),
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INSN_LABEL(iushr),
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INSN_LABEL(lushr),
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INSN_LABEL(iand),
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INSN_LABEL(land),
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INSN_LABEL(ior),
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INSN_LABEL(lor),
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INSN_LABEL(ixor),
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INSN_LABEL(lxor),
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INSN_LABEL(iinc),
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INSN_LABEL(i2l),
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INSN_LABEL(i2f),
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INSN_LABEL(i2d),
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INSN_LABEL(l2i),
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INSN_LABEL(l2f),
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INSN_LABEL(l2d),
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INSN_LABEL(f2i),
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INSN_LABEL(f2l),
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INSN_LABEL(f2d),
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INSN_LABEL(d2i),
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INSN_LABEL(d2l),
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INSN_LABEL(d2f),
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INSN_LABEL(i2b),
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INSN_LABEL(i2c),
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INSN_LABEL(i2s),
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INSN_LABEL(lcmp),
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INSN_LABEL(fcmpl),
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INSN_LABEL(fcmpg),
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INSN_LABEL(dcmpl),
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INSN_LABEL(dcmpg),
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INSN_LABEL(ifeq),
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INSN_LABEL(ifne),
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INSN_LABEL(iflt),
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INSN_LABEL(ifge),
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INSN_LABEL(ifgt),
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INSN_LABEL(ifle),
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INSN_LABEL(if_icmpeq),
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INSN_LABEL(if_icmpne),
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INSN_LABEL(if_icmplt),
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INSN_LABEL(if_icmpge),
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INSN_LABEL(if_icmpgt),
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INSN_LABEL(if_icmple),
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INSN_LABEL(if_acmpeq),
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INSN_LABEL(if_acmpne),
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INSN_LABEL(goto),
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INSN_LABEL(jsr),
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INSN_LABEL(ret),
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INSN_LABEL(tableswitch),
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INSN_LABEL(lookupswitch),
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INSN_LABEL(ireturn),
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INSN_LABEL(lreturn),
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INSN_LABEL(freturn),
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INSN_LABEL(dreturn),
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INSN_LABEL(areturn),
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INSN_LABEL(return),
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INSN_LABEL(getstatic),
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INSN_LABEL(putstatic),
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INSN_LABEL(getfield),
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INSN_LABEL(putfield),
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INSN_LABEL(invokevirtual),
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INSN_LABEL(invokespecial),
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INSN_LABEL(invokestatic),
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INSN_LABEL(invokeinterface),
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INSN_LABEL(breakpoint),
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INSN_LABEL(new),
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INSN_LABEL(newarray),
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INSN_LABEL(anewarray),
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INSN_LABEL(arraylength),
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INSN_LABEL(athrow),
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INSN_LABEL(checkcast),
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INSN_LABEL(instanceof),
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INSN_LABEL(monitorenter),
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INSN_LABEL(monitorexit),
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#ifdef DIRECT_THREADED
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0, // wide
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#else
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INSN_LABEL(wide),
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#endif
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INSN_LABEL(multianewarray),
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INSN_LABEL(ifnull),
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INSN_LABEL(ifnonnull),
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INSN_LABEL(goto_w),
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INSN_LABEL(jsr_w),
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#ifdef DIRECT_THREADED
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INSN_LABEL (ldc_class)
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#else
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0
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#endif
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};
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#ifdef DIRECT_THREADED
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#ifdef __GCJ_DEBUG
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#undef NEXT_INSN
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#define NEXT_INSN \
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do \
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{ \
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pc_t insn = pc++; \
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if (JVMTI_REQUESTED_EVENT (SingleStep)) \
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{ \
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JNIEnv *env = _Jv_GetCurrentJNIEnv (); \
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jmethodID method = meth->self; \
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jlocation loc = meth->insn_index (insn); \
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_Jv_JVMTI_PostEvent (JVMTI_EVENT_SINGLE_STEP, thread, \
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env, method, loc); \
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} \
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goto *(insn->insn); \
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} \
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while (0)
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// We fail to rewrite a breakpoint if there is another thread
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// currently executing this method. This is a bug, but there's
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// nothing else we can do that doesn't cause a data race.
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#undef REWRITE_INSN
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#define REWRITE_INSN(INSN,SLOT,VALUE) \
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do \
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{ \
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_Jv_MutexLock (&rewrite_insn_mutex); \
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if (meth->thread_count <= 1) \
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{ \
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if (pc[-2].insn == breakpoint_insn->insn) \
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{ \
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using namespace ::gnu::gcj::jvmti; \
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jlocation location = meth->insn_index (pc - 2); \
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_Jv_RewriteBreakpointInsn (meth->self, location, (pc_t) INSN); \
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} \
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else \
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pc[-2].insn = INSN; \
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\
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pc[-1].SLOT = VALUE; \
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} \
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_Jv_MutexUnlock (&rewrite_insn_mutex); \
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} \
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while (0)
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#undef INTERP_REPORT_EXCEPTION
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#define INTERP_REPORT_EXCEPTION(Jthrowable) REPORT_EXCEPTION (Jthrowable)
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#else // !__GCJ_DEBUG
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#undef NEXT_INSN
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#define NEXT_INSN goto *((pc++)->insn)
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// Rewriting a multi-word instruction in the presence of multiple
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// threads is a data race if a thread reads part of an instruction
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// while some other thread is rewriting that instruction. We detect
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// more than one thread executing a method and don't rewrite the
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// instruction. A thread entering a method blocks on
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// rewrite_insn_mutex until the write is complete.
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#define REWRITE_INSN(INSN,SLOT,VALUE) \
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do { \
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_Jv_MutexLock (&rewrite_insn_mutex); \
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if (meth->thread_count <= 1) \
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{ \
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pc[-2].insn = INSN; \
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pc[-1].SLOT = VALUE; \
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} \
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_Jv_MutexUnlock (&rewrite_insn_mutex); \
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} \
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while (0)
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#undef INTERP_REPORT_EXCEPTION
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#define INTERP_REPORT_EXCEPTION(Jthrowable) /* not needed when not debugging */
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#endif // !__GCJ_DEBUG
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#define INTVAL() ((pc++)->int_val)
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#define AVAL() ((pc++)->datum)
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#define GET1S() INTVAL ()
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#define GET2S() INTVAL ()
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#define GET1U() INTVAL ()
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#define GET2U() INTVAL ()
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#define AVAL1U() AVAL ()
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#define AVAL2U() AVAL ()
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#define AVAL2UP() AVAL ()
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#define SKIP_GOTO ++pc
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#define GOTO_VAL() (insn_slot *) pc->datum
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#define PCVAL(unionval) unionval.p
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#define AMPAMP(label) &&label
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// Compile if we must. NOTE: Double-check locking.
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if (meth->prepared == NULL)
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{
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_Jv_MutexLock (&compile_mutex);
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if (meth->prepared == NULL)
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meth->compile (insn_target);
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_Jv_MutexUnlock (&compile_mutex);
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}
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// If we're only compiling, stop here
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if (args == NULL)
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return;
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pc = (insn_slot *) meth->prepared;
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#else
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#ifdef __GCJ_DEBUG
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#define NEXT_INSN \
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do \
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{ \
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if (JVMTI_REQUESTED_EVENT (SingleStep)) \
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{ \
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JNIEnv *env = _Jv_GetCurrentJNIEnv (); \
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jmethodID method = meth->self; \
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jlocation loc = meth->insn_index (pc); \
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_Jv_JVMTI_PostEvent (JVMTI_EVENT_SINGLE_STEP, thread, \
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env, method, loc); \
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} \
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goto *(insn_target[*pc++])
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#else
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#define NEXT_INSN goto *(insn_target[*pc++])
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#endif
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#define GET1S() get1s (pc++)
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#define GET2S() (pc += 2, get2s (pc- 2))
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#define GET1U() get1u (pc++)
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#define GET2U() (pc += 2, get2u (pc - 2))
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// Note that these could be more efficient when not handling 'ldc
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// class'.
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#define AVAL1U() \
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({ int index = get1u (pc++); \
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_Jv_Linker::resolve_pool_entry (meth->defining_class, index).o; })
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#define AVAL2U() \
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({ int index = get2u (pc); pc += 2; \
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_Jv_Linker::resolve_pool_entry (meth->defining_class, index).o; })
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// Note that we don't need to resolve the pool entry here as class
|
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// constants are never wide.
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|
#define AVAL2UP() ({ int index = get2u (pc); pc += 2; &pool_data[index]; })
|
|
#define SKIP_GOTO pc += 2
|
|
#define GOTO_VAL() pc - 1 + get2s (pc)
|
|
#define PCVAL(unionval) unionval.i
|
|
#define AMPAMP(label) NULL
|
|
|
|
pc = meth->bytecode ();
|
|
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
#define TAKE_GOTO pc = GOTO_VAL ()
|
|
|
|
/* Go straight at it! the ffi raw format matches the internal
|
|
stack representation exactly. At least, that's the idea.
|
|
*/
|
|
memcpy ((void*) locals, (void*) args, meth->args_raw_size);
|
|
|
|
_Jv_word *pool_data = meth->defining_class->constants.data;
|
|
|
|
/* These three are temporaries for common code used by several
|
|
instructions. */
|
|
void (*fun)();
|
|
_Jv_ResolvedMethod* rmeth;
|
|
int tmpval;
|
|
|
|
try
|
|
{
|
|
// We keep nop around. It is used if we're interpreting the
|
|
// bytecodes and not doing direct threading.
|
|
insn_nop:
|
|
NEXT_INSN;
|
|
|
|
/* The first few instructions here are ordered according to their
|
|
frequency, in the hope that this will improve code locality a
|
|
little. */
|
|
|
|
insn_aload_0: // 0x2a
|
|
LOADA (0);
|
|
NEXT_INSN;
|
|
|
|
insn_iload: // 0x15
|
|
LOADI (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_iload_1: // 0x1b
|
|
LOADI (1);
|
|
NEXT_INSN;
|
|
|
|
insn_invokevirtual: // 0xb6
|
|
{
|
|
SAVE_PC();
|
|
int index = GET2U ();
|
|
|
|
/* _Jv_Linker::resolve_pool_entry returns immediately if the
|
|
* value already is resolved. If we want to clutter up the
|
|
* code here to gain a little performance, then we can check
|
|
* the corresponding bit JV_CONSTANT_ResolvedFlag in the tag
|
|
* directly. For now, I don't think it is worth it. */
|
|
|
|
rmeth = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).rmethod;
|
|
|
|
sp -= rmeth->stack_item_count;
|
|
|
|
if (rmeth->method->accflags & Modifier::FINAL)
|
|
{
|
|
// We can't rely on NULLCHECK working if the method is final.
|
|
if (! sp[0].o)
|
|
throw_null_pointer_exception ();
|
|
|
|
// Final methods might not appear in the vtable.
|
|
fun = (void (*)()) rmeth->method->ncode;
|
|
}
|
|
else
|
|
{
|
|
NULLCHECK (sp[0].o);
|
|
jobject rcv = sp[0].o;
|
|
_Jv_VTable *table = *(_Jv_VTable**) rcv;
|
|
fun = (void (*)()) table->get_method (rmeth->method->index);
|
|
}
|
|
|
|
#ifdef DIRECT_THREADED
|
|
// Rewrite instruction so that we use a faster pre-resolved
|
|
// method.
|
|
REWRITE_INSN (&&invokevirtual_resolved, datum, rmeth);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
goto perform_invoke;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
invokevirtual_resolved:
|
|
{
|
|
SAVE_PC();
|
|
rmeth = (_Jv_ResolvedMethod *) AVAL ();
|
|
sp -= rmeth->stack_item_count;
|
|
|
|
if (rmeth->method->accflags & Modifier::FINAL)
|
|
{
|
|
// We can't rely on NULLCHECK working if the method is final.
|
|
if (! sp[0].o)
|
|
throw_null_pointer_exception ();
|
|
|
|
// Final methods might not appear in the vtable.
|
|
fun = (void (*)()) rmeth->method->ncode;
|
|
}
|
|
else
|
|
{
|
|
NULLCHECK (sp[0].o);
|
|
jobject rcv = sp[0].o;
|
|
_Jv_VTable *table = *(_Jv_VTable**) rcv;
|
|
fun = (void (*)()) table->get_method (rmeth->method->index);
|
|
}
|
|
}
|
|
goto perform_invoke;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
perform_invoke:
|
|
{
|
|
/* here goes the magic again... */
|
|
ffi_cif *cif = &rmeth->cif;
|
|
INTERP_FFI_RAW_TYPE *raw = (INTERP_FFI_RAW_TYPE *) sp;
|
|
|
|
_Jv_value rvalue;
|
|
|
|
#if FFI_NATIVE_RAW_API
|
|
/* We assume that this is only implemented if it's correct */
|
|
/* to use it here. On a 64 bit machine, it never is. */
|
|
ffi_raw_call (cif, fun, (void*)&rvalue, raw);
|
|
#else
|
|
ffi_java_raw_call (cif, fun, (void*)&rvalue, raw);
|
|
#endif
|
|
|
|
int rtype = cif->rtype->type;
|
|
|
|
/* the likelyhood of object, int, or void return is very high,
|
|
* so those are checked before the switch */
|
|
if (rtype == FFI_TYPE_POINTER)
|
|
{
|
|
PUSHA (rvalue.object_value);
|
|
}
|
|
else if (rtype == FFI_TYPE_SINT32)
|
|
{
|
|
PUSHI (rvalue.int_value);
|
|
}
|
|
else if (rtype == FFI_TYPE_VOID)
|
|
{
|
|
/* skip */
|
|
}
|
|
else
|
|
{
|
|
switch (rtype)
|
|
{
|
|
case FFI_TYPE_SINT8:
|
|
PUSHI ((jbyte)(rvalue.int_value & 0xff));
|
|
break;
|
|
|
|
case FFI_TYPE_SINT16:
|
|
PUSHI ((jshort)(rvalue.int_value & 0xffff));
|
|
break;
|
|
|
|
case FFI_TYPE_UINT16:
|
|
PUSHI (rvalue.int_value & 0xffff);
|
|
break;
|
|
|
|
case FFI_TYPE_FLOAT:
|
|
PUSHF (rvalue.float_value);
|
|
break;
|
|
|
|
case FFI_TYPE_DOUBLE:
|
|
PUSHD (rvalue.double_value);
|
|
break;
|
|
|
|
case FFI_TYPE_SINT64:
|
|
PUSHL (rvalue.long_value);
|
|
break;
|
|
|
|
default:
|
|
throw_internal_error ("unknown return type in invokeXXX");
|
|
}
|
|
}
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_aconst_null:
|
|
PUSHA (NULL);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_m1:
|
|
PUSHI (-1);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_0:
|
|
PUSHI (0);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_1:
|
|
PUSHI (1);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_2:
|
|
PUSHI (2);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_3:
|
|
PUSHI (3);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_4:
|
|
PUSHI (4);
|
|
NEXT_INSN;
|
|
|
|
insn_iconst_5:
|
|
PUSHI (5);
|
|
NEXT_INSN;
|
|
|
|
insn_lconst_0:
|
|
PUSHL (0);
|
|
NEXT_INSN;
|
|
|
|
insn_lconst_1:
|
|
PUSHL (1);
|
|
NEXT_INSN;
|
|
|
|
insn_fconst_0:
|
|
PUSHF (0);
|
|
NEXT_INSN;
|
|
|
|
insn_fconst_1:
|
|
PUSHF (1);
|
|
NEXT_INSN;
|
|
|
|
insn_fconst_2:
|
|
PUSHF (2);
|
|
NEXT_INSN;
|
|
|
|
insn_dconst_0:
|
|
PUSHD (0);
|
|
NEXT_INSN;
|
|
|
|
insn_dconst_1:
|
|
PUSHD (1);
|
|
NEXT_INSN;
|
|
|
|
insn_bipush:
|
|
// For direct threaded, bipush and sipush are the same.
|
|
#ifndef DIRECT_THREADED
|
|
PUSHI (GET1S ());
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
insn_sipush:
|
|
PUSHI (GET2S ());
|
|
NEXT_INSN;
|
|
|
|
insn_ldc:
|
|
// For direct threaded, ldc and ldc_w are the same.
|
|
#ifndef DIRECT_THREADED
|
|
PUSHA ((jobject) AVAL1U ());
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
insn_ldc_w:
|
|
PUSHA ((jobject) AVAL2U ());
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
// For direct threaded we have a separate 'ldc class' operation.
|
|
insn_ldc_class:
|
|
{
|
|
SAVE_PC();
|
|
// We could rewrite the instruction at this point.
|
|
int index = INTVAL ();
|
|
jobject k = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).o;
|
|
PUSHA (k);
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_ldc2_w:
|
|
{
|
|
void *where = AVAL2UP ();
|
|
memcpy (sp, where, 2*sizeof (_Jv_word));
|
|
sp += 2;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lload:
|
|
LOADL (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_fload:
|
|
LOADF (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_dload:
|
|
LOADD (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_aload:
|
|
LOADA (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_iload_0:
|
|
LOADI (0);
|
|
NEXT_INSN;
|
|
|
|
insn_iload_2:
|
|
LOADI (2);
|
|
NEXT_INSN;
|
|
|
|
insn_iload_3:
|
|
LOADI (3);
|
|
NEXT_INSN;
|
|
|
|
insn_lload_0:
|
|
LOADL (0);
|
|
NEXT_INSN;
|
|
|
|
insn_lload_1:
|
|
LOADL (1);
|
|
NEXT_INSN;
|
|
|
|
insn_lload_2:
|
|
LOADL (2);
|
|
NEXT_INSN;
|
|
|
|
insn_lload_3:
|
|
LOADL (3);
|
|
NEXT_INSN;
|
|
|
|
insn_fload_0:
|
|
LOADF (0);
|
|
NEXT_INSN;
|
|
|
|
insn_fload_1:
|
|
LOADF (1);
|
|
NEXT_INSN;
|
|
|
|
insn_fload_2:
|
|
LOADF (2);
|
|
NEXT_INSN;
|
|
|
|
insn_fload_3:
|
|
LOADF (3);
|
|
NEXT_INSN;
|
|
|
|
insn_dload_0:
|
|
LOADD (0);
|
|
NEXT_INSN;
|
|
|
|
insn_dload_1:
|
|
LOADD (1);
|
|
NEXT_INSN;
|
|
|
|
insn_dload_2:
|
|
LOADD (2);
|
|
NEXT_INSN;
|
|
|
|
insn_dload_3:
|
|
LOADD (3);
|
|
NEXT_INSN;
|
|
|
|
insn_aload_1:
|
|
LOADA(1);
|
|
NEXT_INSN;
|
|
|
|
insn_aload_2:
|
|
LOADA(2);
|
|
NEXT_INSN;
|
|
|
|
insn_aload_3:
|
|
LOADA(3);
|
|
NEXT_INSN;
|
|
|
|
insn_iaload:
|
|
{
|
|
jint index = POPI();
|
|
jintArray arr = (jintArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHI( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_laload:
|
|
{
|
|
jint index = POPI();
|
|
jlongArray arr = (jlongArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHL( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_faload:
|
|
{
|
|
jint index = POPI();
|
|
jfloatArray arr = (jfloatArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHF( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_daload:
|
|
{
|
|
jint index = POPI();
|
|
jdoubleArray arr = (jdoubleArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHD( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_aaload:
|
|
{
|
|
jint index = POPI();
|
|
jobjectArray arr = (jobjectArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHA( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_baload:
|
|
{
|
|
jint index = POPI();
|
|
jbyteArray arr = (jbyteArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHI( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_caload:
|
|
{
|
|
jint index = POPI();
|
|
jcharArray arr = (jcharArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHI( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_saload:
|
|
{
|
|
jint index = POPI();
|
|
jshortArray arr = (jshortArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
PUSHI( elements(arr)[index] );
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_istore:
|
|
STOREI (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_lstore:
|
|
STOREL (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_fstore:
|
|
STOREF (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_dstore:
|
|
STORED (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_astore:
|
|
STOREA (GET1U ());
|
|
NEXT_INSN;
|
|
|
|
insn_istore_0:
|
|
STOREI (0);
|
|
NEXT_INSN;
|
|
|
|
insn_istore_1:
|
|
STOREI (1);
|
|
NEXT_INSN;
|
|
|
|
insn_istore_2:
|
|
STOREI (2);
|
|
NEXT_INSN;
|
|
|
|
insn_istore_3:
|
|
STOREI (3);
|
|
NEXT_INSN;
|
|
|
|
insn_lstore_0:
|
|
STOREL (0);
|
|
NEXT_INSN;
|
|
|
|
insn_lstore_1:
|
|
STOREL (1);
|
|
NEXT_INSN;
|
|
|
|
insn_lstore_2:
|
|
STOREL (2);
|
|
NEXT_INSN;
|
|
|
|
insn_lstore_3:
|
|
STOREL (3);
|
|
NEXT_INSN;
|
|
|
|
insn_fstore_0:
|
|
STOREF (0);
|
|
NEXT_INSN;
|
|
|
|
insn_fstore_1:
|
|
STOREF (1);
|
|
NEXT_INSN;
|
|
|
|
insn_fstore_2:
|
|
STOREF (2);
|
|
NEXT_INSN;
|
|
|
|
insn_fstore_3:
|
|
STOREF (3);
|
|
NEXT_INSN;
|
|
|
|
insn_dstore_0:
|
|
STORED (0);
|
|
NEXT_INSN;
|
|
|
|
insn_dstore_1:
|
|
STORED (1);
|
|
NEXT_INSN;
|
|
|
|
insn_dstore_2:
|
|
STORED (2);
|
|
NEXT_INSN;
|
|
|
|
insn_dstore_3:
|
|
STORED (3);
|
|
NEXT_INSN;
|
|
|
|
insn_astore_0:
|
|
STOREA(0);
|
|
NEXT_INSN;
|
|
|
|
insn_astore_1:
|
|
STOREA(1);
|
|
NEXT_INSN;
|
|
|
|
insn_astore_2:
|
|
STOREA(2);
|
|
NEXT_INSN;
|
|
|
|
insn_astore_3:
|
|
STOREA(3);
|
|
NEXT_INSN;
|
|
|
|
insn_iastore:
|
|
{
|
|
jint value = POPI();
|
|
jint index = POPI();
|
|
jintArray arr = (jintArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lastore:
|
|
{
|
|
jlong value = POPL();
|
|
jint index = POPI();
|
|
jlongArray arr = (jlongArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_fastore:
|
|
{
|
|
jfloat value = POPF();
|
|
jint index = POPI();
|
|
jfloatArray arr = (jfloatArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_dastore:
|
|
{
|
|
jdouble value = POPD();
|
|
jint index = POPI();
|
|
jdoubleArray arr = (jdoubleArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_aastore:
|
|
{
|
|
jobject value = POPA();
|
|
jint index = POPI();
|
|
jobjectArray arr = (jobjectArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
_Jv_CheckArrayStore (arr, value);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_bastore:
|
|
{
|
|
jbyte value = (jbyte) POPI();
|
|
jint index = POPI();
|
|
jbyteArray arr = (jbyteArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_castore:
|
|
{
|
|
jchar value = (jchar) POPI();
|
|
jint index = POPI();
|
|
jcharArray arr = (jcharArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_sastore:
|
|
{
|
|
jshort value = (jshort) POPI();
|
|
jint index = POPI();
|
|
jshortArray arr = (jshortArray) POPA();
|
|
NULLARRAYCHECK (arr);
|
|
ARRAYBOUNDSCHECK (arr, index);
|
|
elements(arr)[index] = value;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_pop:
|
|
sp -= 1;
|
|
NEXT_INSN;
|
|
|
|
insn_pop2:
|
|
sp -= 2;
|
|
NEXT_INSN;
|
|
|
|
insn_dup:
|
|
sp[0] = sp[-1];
|
|
sp += 1;
|
|
NEXT_INSN;
|
|
|
|
insn_dup_x1:
|
|
dupx (sp, 1, 1); sp+=1;
|
|
NEXT_INSN;
|
|
|
|
insn_dup_x2:
|
|
dupx (sp, 1, 2); sp+=1;
|
|
NEXT_INSN;
|
|
|
|
insn_dup2:
|
|
sp[0] = sp[-2];
|
|
sp[1] = sp[-1];
|
|
sp += 2;
|
|
NEXT_INSN;
|
|
|
|
insn_dup2_x1:
|
|
dupx (sp, 2, 1); sp+=2;
|
|
NEXT_INSN;
|
|
|
|
insn_dup2_x2:
|
|
dupx (sp, 2, 2); sp+=2;
|
|
NEXT_INSN;
|
|
|
|
insn_swap:
|
|
{
|
|
jobject tmp1 = POPA();
|
|
jobject tmp2 = POPA();
|
|
PUSHA (tmp1);
|
|
PUSHA (tmp2);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_iadd:
|
|
BINOPI(+);
|
|
NEXT_INSN;
|
|
|
|
insn_ladd:
|
|
BINOPL(+);
|
|
NEXT_INSN;
|
|
|
|
insn_fadd:
|
|
BINOPF(+);
|
|
NEXT_INSN;
|
|
|
|
insn_dadd:
|
|
BINOPD(+);
|
|
NEXT_INSN;
|
|
|
|
insn_isub:
|
|
BINOPI(-);
|
|
NEXT_INSN;
|
|
|
|
insn_lsub:
|
|
BINOPL(-);
|
|
NEXT_INSN;
|
|
|
|
insn_fsub:
|
|
BINOPF(-);
|
|
NEXT_INSN;
|
|
|
|
insn_dsub:
|
|
BINOPD(-);
|
|
NEXT_INSN;
|
|
|
|
insn_imul:
|
|
BINOPI(*);
|
|
NEXT_INSN;
|
|
|
|
insn_lmul:
|
|
BINOPL(*);
|
|
NEXT_INSN;
|
|
|
|
insn_fmul:
|
|
BINOPF(*);
|
|
NEXT_INSN;
|
|
|
|
insn_dmul:
|
|
BINOPD(*);
|
|
NEXT_INSN;
|
|
|
|
insn_idiv:
|
|
{
|
|
SAVE_PC();
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
jint res = _Jv_divI (value1, value2);
|
|
PUSHI (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ldiv:
|
|
{
|
|
SAVE_PC();
|
|
jlong value2 = POPL();
|
|
jlong value1 = POPL();
|
|
jlong res = _Jv_divJ (value1, value2);
|
|
PUSHL (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_fdiv:
|
|
{
|
|
jfloat value2 = POPF();
|
|
jfloat value1 = POPF();
|
|
jfloat res = value1 / value2;
|
|
PUSHF (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ddiv:
|
|
{
|
|
jdouble value2 = POPD();
|
|
jdouble value1 = POPD();
|
|
jdouble res = value1 / value2;
|
|
PUSHD (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_irem:
|
|
{
|
|
SAVE_PC();
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
jint res = _Jv_remI (value1, value2);
|
|
PUSHI (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lrem:
|
|
{
|
|
SAVE_PC();
|
|
jlong value2 = POPL();
|
|
jlong value1 = POPL();
|
|
jlong res = _Jv_remJ (value1, value2);
|
|
PUSHL (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_frem:
|
|
{
|
|
jfloat value2 = POPF();
|
|
jfloat value1 = POPF();
|
|
jfloat res = __ieee754_fmod (value1, value2);
|
|
PUSHF (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_drem:
|
|
{
|
|
jdouble value2 = POPD();
|
|
jdouble value1 = POPD();
|
|
jdouble res = __ieee754_fmod (value1, value2);
|
|
PUSHD (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ineg:
|
|
{
|
|
jint value = POPI();
|
|
PUSHI (value * -1);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lneg:
|
|
{
|
|
jlong value = POPL();
|
|
PUSHL (value * -1);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_fneg:
|
|
{
|
|
jfloat value = POPF();
|
|
PUSHF (value * -1);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_dneg:
|
|
{
|
|
jdouble value = POPD();
|
|
PUSHD (value * -1);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ishl:
|
|
{
|
|
jint shift = (POPI() & 0x1f);
|
|
jint value = POPI();
|
|
PUSHI (value << shift);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lshl:
|
|
{
|
|
jint shift = (POPI() & 0x3f);
|
|
jlong value = POPL();
|
|
PUSHL (value << shift);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ishr:
|
|
{
|
|
jint shift = (POPI() & 0x1f);
|
|
jint value = POPI();
|
|
PUSHI (value >> shift);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lshr:
|
|
{
|
|
jint shift = (POPI() & 0x3f);
|
|
jlong value = POPL();
|
|
PUSHL (value >> shift);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_iushr:
|
|
{
|
|
jint shift = (POPI() & 0x1f);
|
|
_Jv_uint value = (_Jv_uint) POPI();
|
|
PUSHI ((jint) (value >> shift));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lushr:
|
|
{
|
|
jint shift = (POPI() & 0x3f);
|
|
_Jv_ulong value = (_Jv_ulong) POPL();
|
|
PUSHL ((jlong) (value >> shift));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_iand:
|
|
BINOPI (&);
|
|
NEXT_INSN;
|
|
|
|
insn_land:
|
|
BINOPL (&);
|
|
NEXT_INSN;
|
|
|
|
insn_ior:
|
|
BINOPI (|);
|
|
NEXT_INSN;
|
|
|
|
insn_lor:
|
|
BINOPL (|);
|
|
NEXT_INSN;
|
|
|
|
insn_ixor:
|
|
BINOPI (^);
|
|
NEXT_INSN;
|
|
|
|
insn_lxor:
|
|
BINOPL (^);
|
|
NEXT_INSN;
|
|
|
|
insn_iinc:
|
|
{
|
|
jint index = GET1U ();
|
|
jint amount = GET1S ();
|
|
locals[index].i += amount;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_i2l:
|
|
{jlong value = POPI(); PUSHL (value);}
|
|
NEXT_INSN;
|
|
|
|
insn_i2f:
|
|
{jfloat value = POPI(); PUSHF (value);}
|
|
NEXT_INSN;
|
|
|
|
insn_i2d:
|
|
{jdouble value = POPI(); PUSHD (value);}
|
|
NEXT_INSN;
|
|
|
|
insn_l2i:
|
|
{jint value = POPL(); PUSHI (value);}
|
|
NEXT_INSN;
|
|
|
|
insn_l2f:
|
|
{jfloat value = POPL(); PUSHF (value);}
|
|
NEXT_INSN;
|
|
|
|
insn_l2d:
|
|
{jdouble value = POPL(); PUSHD (value);}
|
|
NEXT_INSN;
|
|
|
|
insn_f2i:
|
|
{
|
|
using namespace java::lang;
|
|
jint value = convert (POPF (), Integer::MIN_VALUE, Integer::MAX_VALUE);
|
|
PUSHI(value);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_f2l:
|
|
{
|
|
using namespace java::lang;
|
|
jlong value = convert (POPF (), Long::MIN_VALUE, Long::MAX_VALUE);
|
|
PUSHL(value);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_f2d:
|
|
{ jdouble value = POPF (); PUSHD(value); }
|
|
NEXT_INSN;
|
|
|
|
insn_d2i:
|
|
{
|
|
using namespace java::lang;
|
|
jint value = convert (POPD (), Integer::MIN_VALUE, Integer::MAX_VALUE);
|
|
PUSHI(value);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_d2l:
|
|
{
|
|
using namespace java::lang;
|
|
jlong value = convert (POPD (), Long::MIN_VALUE, Long::MAX_VALUE);
|
|
PUSHL(value);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_d2f:
|
|
{ jfloat value = POPD (); PUSHF(value); }
|
|
NEXT_INSN;
|
|
|
|
insn_i2b:
|
|
{ jbyte value = POPI (); PUSHI(value); }
|
|
NEXT_INSN;
|
|
|
|
insn_i2c:
|
|
{ jchar value = POPI (); PUSHI(value); }
|
|
NEXT_INSN;
|
|
|
|
insn_i2s:
|
|
{ jshort value = POPI (); PUSHI(value); }
|
|
NEXT_INSN;
|
|
|
|
insn_lcmp:
|
|
{
|
|
jlong value2 = POPL ();
|
|
jlong value1 = POPL ();
|
|
if (value1 > value2)
|
|
{ PUSHI (1); }
|
|
else if (value1 == value2)
|
|
{ PUSHI (0); }
|
|
else
|
|
{ PUSHI (-1); }
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_fcmpl:
|
|
tmpval = -1;
|
|
goto fcmp;
|
|
|
|
insn_fcmpg:
|
|
tmpval = 1;
|
|
|
|
fcmp:
|
|
{
|
|
jfloat value2 = POPF ();
|
|
jfloat value1 = POPF ();
|
|
if (value1 > value2)
|
|
PUSHI (1);
|
|
else if (value1 == value2)
|
|
PUSHI (0);
|
|
else if (value1 < value2)
|
|
PUSHI (-1);
|
|
else
|
|
PUSHI (tmpval);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_dcmpl:
|
|
tmpval = -1;
|
|
goto dcmp;
|
|
|
|
insn_dcmpg:
|
|
tmpval = 1;
|
|
|
|
dcmp:
|
|
{
|
|
jdouble value2 = POPD ();
|
|
jdouble value1 = POPD ();
|
|
if (value1 > value2)
|
|
PUSHI (1);
|
|
else if (value1 == value2)
|
|
PUSHI (0);
|
|
else if (value1 < value2)
|
|
PUSHI (-1);
|
|
else
|
|
PUSHI (tmpval);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifeq:
|
|
{
|
|
if (POPI() == 0)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifne:
|
|
{
|
|
if (POPI() != 0)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_iflt:
|
|
{
|
|
if (POPI() < 0)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifge:
|
|
{
|
|
if (POPI() >= 0)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifgt:
|
|
{
|
|
if (POPI() > 0)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifle:
|
|
{
|
|
if (POPI() <= 0)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_icmpeq:
|
|
{
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
if (value1 == value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_icmpne:
|
|
{
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
if (value1 != value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_icmplt:
|
|
{
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
if (value1 < value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_icmpge:
|
|
{
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
if (value1 >= value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_icmpgt:
|
|
{
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
if (value1 > value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_icmple:
|
|
{
|
|
jint value2 = POPI();
|
|
jint value1 = POPI();
|
|
if (value1 <= value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_acmpeq:
|
|
{
|
|
jobject value2 = POPA();
|
|
jobject value1 = POPA();
|
|
if (value1 == value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_if_acmpne:
|
|
{
|
|
jobject value2 = POPA();
|
|
jobject value1 = POPA();
|
|
if (value1 != value2)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_goto_w:
|
|
#ifndef DIRECT_THREADED
|
|
// For direct threaded, goto and goto_w are the same.
|
|
pc = pc - 1 + get4 (pc);
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
insn_goto:
|
|
TAKE_GOTO;
|
|
NEXT_INSN;
|
|
|
|
insn_jsr_w:
|
|
#ifndef DIRECT_THREADED
|
|
// For direct threaded, jsr and jsr_w are the same.
|
|
{
|
|
pc_t next = pc - 1 + get4 (pc);
|
|
pc += 4;
|
|
PUSHA ((jobject) pc);
|
|
pc = next;
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
insn_jsr:
|
|
{
|
|
pc_t next = GOTO_VAL();
|
|
SKIP_GOTO;
|
|
PUSHA ((jobject) pc);
|
|
pc = next;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ret:
|
|
{
|
|
jint index = GET1U ();
|
|
pc = (pc_t) PEEKA (index);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_tableswitch:
|
|
{
|
|
#ifdef DIRECT_THREADED
|
|
void *def = (pc++)->datum;
|
|
|
|
int index = POPI();
|
|
|
|
jint low = INTVAL ();
|
|
jint high = INTVAL ();
|
|
|
|
if (index < low || index > high)
|
|
pc = (insn_slot *) def;
|
|
else
|
|
pc = (insn_slot *) ((pc + index - low)->datum);
|
|
#else
|
|
pc_t base_pc = pc - 1;
|
|
int index = POPI ();
|
|
|
|
pc_t base = (pc_t) meth->bytecode ();
|
|
while ((pc - base) % 4 != 0)
|
|
++pc;
|
|
|
|
jint def = get4 (pc);
|
|
jint low = get4 (pc + 4);
|
|
jint high = get4 (pc + 8);
|
|
if (index < low || index > high)
|
|
pc = base_pc + def;
|
|
else
|
|
pc = base_pc + get4 (pc + 4 * (index - low + 3));
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_lookupswitch:
|
|
{
|
|
#ifdef DIRECT_THREADED
|
|
void *def = (pc++)->insn;
|
|
|
|
int index = POPI();
|
|
|
|
jint npairs = INTVAL ();
|
|
|
|
int max = npairs - 1;
|
|
int min = 0;
|
|
|
|
// Simple binary search...
|
|
while (min < max)
|
|
{
|
|
int half = (min + max) / 2;
|
|
int match = pc[2 * half].int_val;
|
|
|
|
if (index == match)
|
|
{
|
|
// Found it.
|
|
pc = (insn_slot *) pc[2 * half + 1].datum;
|
|
NEXT_INSN;
|
|
}
|
|
else if (index < match)
|
|
// We can use HALF - 1 here because we check again on
|
|
// loop exit.
|
|
max = half - 1;
|
|
else
|
|
// We can use HALF + 1 here because we check again on
|
|
// loop exit.
|
|
min = half + 1;
|
|
}
|
|
if (index == pc[2 * min].int_val)
|
|
pc = (insn_slot *) pc[2 * min + 1].datum;
|
|
else
|
|
pc = (insn_slot *) def;
|
|
#else
|
|
unsigned char *base_pc = pc-1;
|
|
int index = POPI();
|
|
|
|
unsigned char* base = meth->bytecode ();
|
|
while ((pc-base) % 4 != 0)
|
|
++pc;
|
|
|
|
jint def = get4 (pc);
|
|
jint npairs = get4 (pc+4);
|
|
|
|
int max = npairs-1;
|
|
int min = 0;
|
|
|
|
// Simple binary search...
|
|
while (min < max)
|
|
{
|
|
int half = (min+max)/2;
|
|
int match = get4 (pc+ 4*(2 + 2*half));
|
|
|
|
if (index == match)
|
|
min = max = half;
|
|
else if (index < match)
|
|
// We can use HALF - 1 here because we check again on
|
|
// loop exit.
|
|
max = half - 1;
|
|
else
|
|
// We can use HALF + 1 here because we check again on
|
|
// loop exit.
|
|
min = half + 1;
|
|
}
|
|
|
|
if (index == get4 (pc+ 4*(2 + 2*min)))
|
|
pc = base_pc + get4 (pc+ 4*(2 + 2*min + 1));
|
|
else
|
|
pc = base_pc + def;
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_areturn:
|
|
*(jobject *) retp = POPA ();
|
|
return;
|
|
|
|
insn_lreturn:
|
|
*(jlong *) retp = POPL ();
|
|
return;
|
|
|
|
insn_freturn:
|
|
*(jfloat *) retp = POPF ();
|
|
return;
|
|
|
|
insn_dreturn:
|
|
*(jdouble *) retp = POPD ();
|
|
return;
|
|
|
|
insn_ireturn:
|
|
*(jint *) retp = POPI ();
|
|
return;
|
|
|
|
insn_return:
|
|
return;
|
|
|
|
insn_getstatic:
|
|
{
|
|
jint fieldref_index = GET2U ();
|
|
SAVE_PC(); // Constant pool resolution could throw.
|
|
_Jv_Linker::resolve_pool_entry (meth->defining_class, fieldref_index);
|
|
_Jv_Field *field = pool_data[fieldref_index].field;
|
|
|
|
if ((field->flags & Modifier::STATIC) == 0)
|
|
throw_incompatible_class_change_error
|
|
(JvNewStringLatin1 ("field no longer static"));
|
|
|
|
jclass type = field->type;
|
|
|
|
// We rewrite the instruction once we discover what it refers
|
|
// to.
|
|
void *newinsn = NULL;
|
|
if (type->isPrimitive ())
|
|
{
|
|
switch (type->size_in_bytes)
|
|
{
|
|
case 1:
|
|
PUSHI (*field->u.byte_addr);
|
|
newinsn = AMPAMP (getstatic_resolved_1);
|
|
break;
|
|
|
|
case 2:
|
|
if (type == JvPrimClass (char))
|
|
{
|
|
PUSHI (*field->u.char_addr);
|
|
newinsn = AMPAMP (getstatic_resolved_char);
|
|
}
|
|
else
|
|
{
|
|
PUSHI (*field->u.short_addr);
|
|
newinsn = AMPAMP (getstatic_resolved_short);
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
PUSHI(*field->u.int_addr);
|
|
newinsn = AMPAMP (getstatic_resolved_4);
|
|
break;
|
|
|
|
case 8:
|
|
PUSHL(*field->u.long_addr);
|
|
newinsn = AMPAMP (getstatic_resolved_8);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PUSHA(*field->u.object_addr);
|
|
newinsn = AMPAMP (getstatic_resolved_obj);
|
|
}
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (newinsn, datum, field->u.addr);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
getstatic_resolved_1:
|
|
PUSHI (*(jbyte *) AVAL ());
|
|
NEXT_INSN;
|
|
|
|
getstatic_resolved_char:
|
|
PUSHI (*(jchar *) AVAL ());
|
|
NEXT_INSN;
|
|
|
|
getstatic_resolved_short:
|
|
PUSHI (*(jshort *) AVAL ());
|
|
NEXT_INSN;
|
|
|
|
getstatic_resolved_4:
|
|
PUSHI (*(jint *) AVAL ());
|
|
NEXT_INSN;
|
|
|
|
getstatic_resolved_8:
|
|
PUSHL (*(jlong *) AVAL ());
|
|
NEXT_INSN;
|
|
|
|
getstatic_resolved_obj:
|
|
PUSHA (*(jobject *) AVAL ());
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_getfield:
|
|
{
|
|
SAVE_PC();
|
|
jint fieldref_index = GET2U ();
|
|
_Jv_Linker::resolve_pool_entry (meth->defining_class, fieldref_index);
|
|
_Jv_Field *field = pool_data[fieldref_index].field;
|
|
|
|
if ((field->flags & Modifier::STATIC) != 0)
|
|
throw_incompatible_class_change_error
|
|
(JvNewStringLatin1 ("field is static"));
|
|
|
|
jclass type = field->type;
|
|
jint field_offset = field->u.boffset;
|
|
|
|
jobject obj = POPA();
|
|
NULLCHECK(obj);
|
|
|
|
void *newinsn = NULL;
|
|
_Jv_value *val = (_Jv_value *) ((char *)obj + field_offset);
|
|
if (type->isPrimitive ())
|
|
{
|
|
switch (type->size_in_bytes)
|
|
{
|
|
case 1:
|
|
PUSHI (val->byte_value);
|
|
newinsn = AMPAMP (getfield_resolved_1);
|
|
break;
|
|
|
|
case 2:
|
|
if (type == JvPrimClass (char))
|
|
{
|
|
PUSHI (val->char_value);
|
|
newinsn = AMPAMP (getfield_resolved_char);
|
|
}
|
|
else
|
|
{
|
|
PUSHI (val->short_value);
|
|
newinsn = AMPAMP (getfield_resolved_short);
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
PUSHI (val->int_value);
|
|
newinsn = AMPAMP (getfield_resolved_4);
|
|
break;
|
|
|
|
case 8:
|
|
PUSHL (val->long_value);
|
|
newinsn = AMPAMP (getfield_resolved_8);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PUSHA (val->object_value);
|
|
newinsn = AMPAMP (getfield_resolved_obj);
|
|
}
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (newinsn, int_val, field_offset);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
getfield_resolved_1:
|
|
{
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
PUSHI (*(jbyte *) (obj + INTVAL ()));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
getfield_resolved_char:
|
|
{
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
PUSHI (*(jchar *) (obj + INTVAL ()));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
getfield_resolved_short:
|
|
{
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
PUSHI (*(jshort *) (obj + INTVAL ()));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
getfield_resolved_4:
|
|
{
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
PUSHI (*(jint *) (obj + INTVAL ()));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
getfield_resolved_8:
|
|
{
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
PUSHL (*(jlong *) (obj + INTVAL ()));
|
|
}
|
|
NEXT_INSN;
|
|
|
|
getfield_resolved_obj:
|
|
{
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
PUSHA (*(jobject *) (obj + INTVAL ()));
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_putstatic:
|
|
{
|
|
SAVE_PC();
|
|
jint fieldref_index = GET2U ();
|
|
_Jv_Linker::resolve_pool_entry (meth->defining_class, fieldref_index);
|
|
_Jv_Field *field = pool_data[fieldref_index].field;
|
|
|
|
jclass type = field->type;
|
|
|
|
// ResolvePoolEntry cannot check this
|
|
if ((field->flags & Modifier::STATIC) == 0)
|
|
throw_incompatible_class_change_error
|
|
(JvNewStringLatin1 ("field no longer static"));
|
|
|
|
void *newinsn = NULL;
|
|
if (type->isPrimitive ())
|
|
{
|
|
switch (type->size_in_bytes)
|
|
{
|
|
case 1:
|
|
{
|
|
jint value = POPI();
|
|
*field->u.byte_addr = value;
|
|
newinsn = AMPAMP (putstatic_resolved_1);
|
|
break;
|
|
}
|
|
|
|
case 2:
|
|
{
|
|
jint value = POPI();
|
|
*field->u.char_addr = value;
|
|
newinsn = AMPAMP (putstatic_resolved_2);
|
|
break;
|
|
}
|
|
|
|
case 4:
|
|
{
|
|
jint value = POPI();
|
|
*field->u.int_addr = value;
|
|
newinsn = AMPAMP (putstatic_resolved_4);
|
|
break;
|
|
}
|
|
|
|
case 8:
|
|
{
|
|
jlong value = POPL();
|
|
*field->u.long_addr = value;
|
|
newinsn = AMPAMP (putstatic_resolved_8);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
jobject value = POPA();
|
|
*field->u.object_addr = value;
|
|
newinsn = AMPAMP (putstatic_resolved_obj);
|
|
}
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (newinsn, datum, field->u.addr);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
putstatic_resolved_1:
|
|
*(jbyte *) AVAL () = POPI ();
|
|
NEXT_INSN;
|
|
|
|
putstatic_resolved_2:
|
|
*(jchar *) AVAL () = POPI ();
|
|
NEXT_INSN;
|
|
|
|
putstatic_resolved_4:
|
|
*(jint *) AVAL () = POPI ();
|
|
NEXT_INSN;
|
|
|
|
putstatic_resolved_8:
|
|
*(jlong *) AVAL () = POPL ();
|
|
NEXT_INSN;
|
|
|
|
putstatic_resolved_obj:
|
|
*(jobject *) AVAL () = POPA ();
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_putfield:
|
|
{
|
|
SAVE_PC();
|
|
jint fieldref_index = GET2U ();
|
|
_Jv_Linker::resolve_pool_entry (meth->defining_class, fieldref_index);
|
|
_Jv_Field *field = pool_data[fieldref_index].field;
|
|
|
|
jclass type = field->type;
|
|
|
|
if ((field->flags & Modifier::STATIC) != 0)
|
|
throw_incompatible_class_change_error
|
|
(JvNewStringLatin1 ("field is static"));
|
|
|
|
jint field_offset = field->u.boffset;
|
|
|
|
void *newinsn = NULL;
|
|
if (type->isPrimitive ())
|
|
{
|
|
switch (type->size_in_bytes)
|
|
{
|
|
case 1:
|
|
{
|
|
jint value = POPI();
|
|
jobject obj = POPA();
|
|
NULLCHECK(obj);
|
|
*(jbyte*) ((char*)obj + field_offset) = value;
|
|
newinsn = AMPAMP (putfield_resolved_1);
|
|
break;
|
|
}
|
|
|
|
case 2:
|
|
{
|
|
jint value = POPI();
|
|
jobject obj = POPA();
|
|
NULLCHECK(obj);
|
|
*(jchar*) ((char*)obj + field_offset) = value;
|
|
newinsn = AMPAMP (putfield_resolved_2);
|
|
break;
|
|
}
|
|
|
|
case 4:
|
|
{
|
|
jint value = POPI();
|
|
jobject obj = POPA();
|
|
NULLCHECK(obj);
|
|
*(jint*) ((char*)obj + field_offset) = value;
|
|
newinsn = AMPAMP (putfield_resolved_4);
|
|
break;
|
|
}
|
|
|
|
case 8:
|
|
{
|
|
jlong value = POPL();
|
|
jobject obj = POPA();
|
|
NULLCHECK(obj);
|
|
*(jlong*) ((char*)obj + field_offset) = value;
|
|
newinsn = AMPAMP (putfield_resolved_8);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
jobject value = POPA();
|
|
jobject obj = POPA();
|
|
NULLCHECK(obj);
|
|
*(jobject*) ((char*)obj + field_offset) = value;
|
|
newinsn = AMPAMP (putfield_resolved_obj);
|
|
}
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (newinsn, int_val, field_offset);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
putfield_resolved_1:
|
|
{
|
|
jint val = POPI ();
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
*(jbyte *) (obj + INTVAL ()) = val;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
putfield_resolved_2:
|
|
{
|
|
jint val = POPI ();
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
*(jchar *) (obj + INTVAL ()) = val;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
putfield_resolved_4:
|
|
{
|
|
jint val = POPI ();
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
*(jint *) (obj + INTVAL ()) = val;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
putfield_resolved_8:
|
|
{
|
|
jlong val = POPL ();
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
*(jlong *) (obj + INTVAL ()) = val;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
putfield_resolved_obj:
|
|
{
|
|
jobject val = POPA ();
|
|
char *obj = (char *) POPA ();
|
|
NULLCHECK (obj);
|
|
*(jobject *) (obj + INTVAL ()) = val;
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_invokespecial:
|
|
{
|
|
SAVE_PC();
|
|
int index = GET2U ();
|
|
|
|
rmeth = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).rmethod;
|
|
|
|
sp -= rmeth->stack_item_count;
|
|
|
|
// We don't use NULLCHECK here because we can't rely on that
|
|
// working for <init>. So instead we do an explicit test.
|
|
if (! sp[0].o)
|
|
{
|
|
SAVE_PC();
|
|
throw_null_pointer_exception ();
|
|
}
|
|
|
|
fun = (void (*)()) rmeth->method->ncode;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
// Rewrite instruction so that we use a faster pre-resolved
|
|
// method.
|
|
REWRITE_INSN (&&invokespecial_resolved, datum, rmeth);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
goto perform_invoke;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
invokespecial_resolved:
|
|
{
|
|
SAVE_PC();
|
|
rmeth = (_Jv_ResolvedMethod *) AVAL ();
|
|
sp -= rmeth->stack_item_count;
|
|
// We don't use NULLCHECK here because we can't rely on that
|
|
// working for <init>. So instead we do an explicit test.
|
|
if (! sp[0].o)
|
|
{
|
|
throw_null_pointer_exception ();
|
|
}
|
|
fun = (void (*)()) rmeth->method->ncode;
|
|
}
|
|
goto perform_invoke;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_invokestatic:
|
|
{
|
|
SAVE_PC();
|
|
int index = GET2U ();
|
|
|
|
rmeth = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).rmethod;
|
|
|
|
sp -= rmeth->stack_item_count;
|
|
|
|
fun = (void (*)()) rmeth->method->ncode;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
// Rewrite instruction so that we use a faster pre-resolved
|
|
// method.
|
|
REWRITE_INSN (&&invokestatic_resolved, datum, rmeth);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
goto perform_invoke;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
invokestatic_resolved:
|
|
{
|
|
SAVE_PC();
|
|
rmeth = (_Jv_ResolvedMethod *) AVAL ();
|
|
sp -= rmeth->stack_item_count;
|
|
fun = (void (*)()) rmeth->method->ncode;
|
|
}
|
|
goto perform_invoke;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_invokeinterface:
|
|
{
|
|
SAVE_PC();
|
|
int index = GET2U ();
|
|
|
|
rmeth = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).rmethod;
|
|
|
|
sp -= rmeth->stack_item_count;
|
|
|
|
jobject rcv = sp[0].o;
|
|
|
|
NULLCHECK (rcv);
|
|
|
|
fun = (void (*)())
|
|
_Jv_LookupInterfaceMethod (rcv->getClass (),
|
|
rmeth->method->name,
|
|
rmeth->method->signature);
|
|
|
|
#ifdef DIRECT_THREADED
|
|
// Rewrite instruction so that we use a faster pre-resolved
|
|
// method.
|
|
REWRITE_INSN (&&invokeinterface_resolved, datum, rmeth);
|
|
#else
|
|
// Skip dummy bytes.
|
|
pc += 2;
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
goto perform_invoke;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
invokeinterface_resolved:
|
|
{
|
|
SAVE_PC();
|
|
rmeth = (_Jv_ResolvedMethod *) AVAL ();
|
|
sp -= rmeth->stack_item_count;
|
|
jobject rcv = sp[0].o;
|
|
NULLCHECK (rcv);
|
|
fun = (void (*)())
|
|
_Jv_LookupInterfaceMethod (rcv->getClass (),
|
|
rmeth->method->name,
|
|
rmeth->method->signature);
|
|
}
|
|
goto perform_invoke;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_new:
|
|
{
|
|
SAVE_PC();
|
|
int index = GET2U ();
|
|
jclass klass = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).clazz;
|
|
/* VM spec, section 3.11.5 */
|
|
if ((klass->getModifiers() & Modifier::ABSTRACT)
|
|
|| klass->isInterface())
|
|
{
|
|
jthrowable t = new java::lang::InstantiationException;
|
|
INTERP_REPORT_EXCEPTION (t);
|
|
throw t;
|
|
}
|
|
jobject res = _Jv_AllocObject (klass);
|
|
PUSHA (res);
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (&&new_resolved, datum, klass);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
new_resolved:
|
|
{
|
|
jclass klass = (jclass) AVAL ();
|
|
jobject res = _Jv_AllocObject (klass);
|
|
PUSHA (res);
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_newarray:
|
|
{
|
|
int atype = GET1U ();
|
|
int size = POPI();
|
|
jobject result = _Jv_NewArray (atype, size);
|
|
PUSHA (result);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_anewarray:
|
|
{
|
|
SAVE_PC();
|
|
int index = GET2U ();
|
|
jclass klass = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).clazz;
|
|
int size = POPI();
|
|
jobject result = _Jv_NewObjectArray (size, klass, 0);
|
|
PUSHA (result);
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (&&anewarray_resolved, datum, klass);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
anewarray_resolved:
|
|
{
|
|
jclass klass = (jclass) AVAL ();
|
|
int size = POPI ();
|
|
jobject result = _Jv_NewObjectArray (size, klass, 0);
|
|
PUSHA (result);
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_arraylength:
|
|
{
|
|
__JArray *arr = (__JArray*)POPA();
|
|
NULLARRAYCHECK (arr);
|
|
PUSHI (arr->length);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_athrow:
|
|
{
|
|
jobject value = POPA();
|
|
jthrowable t = static_cast<jthrowable> (value);
|
|
INTERP_REPORT_EXCEPTION (t);
|
|
throw t;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_checkcast:
|
|
{
|
|
SAVE_PC();
|
|
jobject value = POPA();
|
|
jint index = GET2U ();
|
|
jclass to = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).clazz;
|
|
|
|
value = (jobject) _Jv_CheckCast (to, value);
|
|
|
|
PUSHA (value);
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (&&checkcast_resolved, datum, to);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
checkcast_resolved:
|
|
{
|
|
SAVE_PC();
|
|
jobject value = POPA ();
|
|
jclass to = (jclass) AVAL ();
|
|
value = (jobject) _Jv_CheckCast (to, value);
|
|
PUSHA (value);
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_instanceof:
|
|
{
|
|
SAVE_PC();
|
|
jobject value = POPA();
|
|
jint index = GET2U ();
|
|
jclass to = (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
index)).clazz;
|
|
PUSHI (to->isInstance (value));
|
|
|
|
#ifdef DIRECT_THREADED
|
|
REWRITE_INSN (&&instanceof_resolved, datum, to);
|
|
#endif /* DIRECT_THREADED */
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifdef DIRECT_THREADED
|
|
instanceof_resolved:
|
|
{
|
|
jobject value = POPA ();
|
|
jclass to = (jclass) AVAL ();
|
|
PUSHI (to->isInstance (value));
|
|
}
|
|
NEXT_INSN;
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_monitorenter:
|
|
{
|
|
jobject value = POPA();
|
|
NULLCHECK(value);
|
|
_Jv_MonitorEnter (value);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_monitorexit:
|
|
{
|
|
jobject value = POPA();
|
|
NULLCHECK(value);
|
|
_Jv_MonitorExit (value);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifnull:
|
|
{
|
|
jobject val = POPA();
|
|
if (val == NULL)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_ifnonnull:
|
|
{
|
|
jobject val = POPA();
|
|
if (val != NULL)
|
|
TAKE_GOTO;
|
|
else
|
|
SKIP_GOTO;
|
|
}
|
|
NEXT_INSN;
|
|
|
|
insn_multianewarray:
|
|
{
|
|
SAVE_PC();
|
|
int kind_index = GET2U ();
|
|
int dim = GET1U ();
|
|
|
|
jclass type
|
|
= (_Jv_Linker::resolve_pool_entry (meth->defining_class,
|
|
kind_index)).clazz;
|
|
jint *sizes = (jint*) __builtin_alloca (sizeof (jint)*dim);
|
|
|
|
for (int i = dim - 1; i >= 0; i--)
|
|
{
|
|
sizes[i] = POPI ();
|
|
}
|
|
|
|
jobject res = _Jv_NewMultiArray (type,dim, sizes);
|
|
|
|
PUSHA (res);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
#ifndef DIRECT_THREADED
|
|
insn_wide:
|
|
{
|
|
jint the_mod_op = get1u (pc++);
|
|
jint wide = get2u (pc); pc += 2;
|
|
|
|
switch (the_mod_op)
|
|
{
|
|
case op_istore:
|
|
STOREI (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_fstore:
|
|
STOREF (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_astore:
|
|
STOREA (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_lload:
|
|
LOADL (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_dload:
|
|
LOADD (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_iload:
|
|
LOADI (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_fload:
|
|
LOADF (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_aload:
|
|
LOADA (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_lstore:
|
|
STOREL (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_dstore:
|
|
STORED (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_ret:
|
|
pc = (unsigned char*) PEEKA (wide);
|
|
NEXT_INSN;
|
|
|
|
case op_iinc:
|
|
{
|
|
jint amount = get2s (pc); pc += 2;
|
|
jint value = PEEKI (wide);
|
|
POKEI (wide, value+amount);
|
|
}
|
|
NEXT_INSN;
|
|
|
|
default:
|
|
throw_internal_error ("illegal bytecode modified by wide");
|
|
}
|
|
|
|
}
|
|
#endif /* DIRECT_THREADED */
|
|
|
|
insn_breakpoint:
|
|
{
|
|
using namespace ::java::lang;
|
|
jmethodID method = meth->self;
|
|
jlocation location = meth->insn_index (pc - 1);
|
|
|
|
using namespace gnu::gcj::jvmti;
|
|
Breakpoint *bp
|
|
= BreakpointManager::getBreakpoint (reinterpret_cast<jlong> (method),
|
|
location);
|
|
JvAssert (bp != NULL);
|
|
|
|
// Save the insn here since the breakpoint could be removed
|
|
// before the JVMTI notification returns.
|
|
pc_t opc = reinterpret_cast<pc_t> (bp->getInsn ());
|
|
|
|
bp->execute ();
|
|
|
|
// Continue execution
|
|
#ifdef DIRECT_THREADED
|
|
goto *(opc->insn);
|
|
#else
|
|
goto *(insn_target[*opc]);
|
|
#endif
|
|
}
|
|
}
|
|
catch (java::lang::Throwable *ex)
|
|
{
|
|
// Check if the exception is handled and, if so, set the pc to the start
|
|
// of the appropriate catch block.
|
|
if (meth->check_handler (&pc, meth, ex))
|
|
{
|
|
sp = stack;
|
|
sp++->o = ex; // Push exception.
|
|
#ifdef __GCJ_DEBUG
|
|
if (JVMTI_REQUESTED_EVENT (ExceptionCatch))
|
|
{
|
|
using namespace gnu::gcj::jvmti;
|
|
jlong catch_meth = reinterpret_cast<jlong> (meth->get_method ());
|
|
jlong catch_loc = meth->insn_index (pc);
|
|
_Jv_JVMTI_PostEvent (JVMTI_EVENT_EXCEPTION_CATCH, thread,
|
|
_Jv_GetCurrentJNIEnv (), catch_meth,
|
|
catch_loc, ex);
|
|
}
|
|
#endif
|
|
NEXT_INSN;
|
|
}
|
|
|
|
// No handler, so re-throw.
|
|
throw ex;
|
|
}
|