-/* vm/jit/code.h - codeinfo struct for representing compiled code
+/* src/vm/jit/code.h - codeinfo struct for representing compiled code
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Edwin Steiner
-
- Changes:
-
- $Id$
-
*/
#define _CODE_H
#include "config.h"
+
+#include <assert.h>
+#include <stdint.h>
+
#include "vm/types.h"
-#include "vm/method.h"
+#include "toolbox/list.h"
+
+#include "vm/global.h"
+
+#include "vm/jit/exceptiontable.h"
+#include "vm/jit/linenumbertable.h"
+#include "vm/jit/methodheader.h"
#include "vm/jit/replace.h"
-/* A `codeinfo` represents a particular realization of a method in */
-/* machine code. */
+#include "vmcore/method.h"
+
+
+/* constants ******************************************************************/
+
+#define CODE_FLAG_INVALID 0x0001
+#define CODE_FLAG_LEAFMETHOD 0x0002
+#define CODE_FLAG_SYNCHRONIZED 0x0004
+#define CODE_FLAG_TLH 0x0008
+
+
+/* codeinfo *******************************************************************
+
+ A codeinfo represents a particular realization of a method in
+ machine code.
+
+ ATTENTION: The methodinfo entry in the code-structure MUST have the
+ offset 0, otherwise we have a problem in our compiler stub. This is
+ checked with an assert in code_init().
+
+*******************************************************************************/
struct codeinfo {
- methodinfo *m; /* method this is a realization of */
- codeinfo *prev; /* previous codeinfo of this method*/
-
+ methodinfo *m; /* method this is a realization of */
+ codeinfo *prev; /* previous codeinfo of this method */
+
+ uint32_t flags; /* OR of CODE_FLAG_ constants */
+
+ u1 optlevel; /* optimization level of this code */
+ s4 basicblockcount; /* number of basic blocks */
+
+ int32_t synchronizedoffset; /* stack offset of synchronized obj. */
+
/* machine code */
- u1 *mcode; /* pointer to machine code */
- u1 *entrypoint; /* machine code entry point */
- s4 mcodelength; /* length of generated machine code*/
- bool isleafmethod; /* does method call subroutines */
-
- /* replacement */
- rplpoint *rplpoints; /* replacement points */
- rplalloc *regalloc; /* register allocation info */
- s4 rplpointcount; /* number of replacement points */
- s4 globalcount; /* number of global allocations */
- s4 regalloccount; /* number of total allocations */
- s4 memuse; /* number of arg + local slots */
- u1 savedintcount; /* number of callee saved int regs */
- u1 savedfltcount; /* number of callee saved flt regs */
-
- /* profiling XXX will be removed */
- u4 frequency; /* number of method invocations */
- u4 *bbfrequency;
- s8 cycles; /* number of cpu cycles */
+ u1 *mcode; /* pointer to machine code */
+ u1 *entrypoint; /* machine code entry point */
+ s4 mcodelength; /* length of generated machine code */
+
+ exceptiontable_t *exceptiontable;
+ linenumbertable_t *linenumbertable;
+
+ /* patcher list */
+ list_t *patchers;
+
+ /* replacement */
+ s4 stackframesize; /* size of the stackframe in slots */
+
+#if defined(ENABLE_REPLACEMENT)
+ rplpoint *rplpoints; /* replacement points */
+ rplalloc *regalloc; /* register allocation info */
+ s4 rplpointcount; /* number of replacement points */
+ s4 globalcount; /* number of global allocations */
+ s4 regalloccount; /* number of total allocations */
+ s4 memuse; /* number of arg + local slots */
+ u1 savedintcount; /* number of callee saved int regs */
+ u1 savedfltcount; /* number of callee saved flt regs */
+# if defined(HAS_ADDRESS_REGISTER_FILE)
+ u1 savedadrcount; /* number of callee saved adr regs */
+# endif
+ u1 *savedmcode; /* saved code under patches */
+#endif
+
+#if defined(ENABLE_PROFILING)
+ u4 frequency; /* number of method invocations */
+ u4 *bbfrequency;
+ s8 cycles; /* number of cpu cycles */
+#endif
};
+
+/* inline functions ***********************************************************/
+
+/* code_xxx_invalid ************************************************************
+
+ Functions for CODE_FLAG_INVALID.
+
+*******************************************************************************/
+
+inline static int code_is_invalid(codeinfo *code)
+{
+ return (code->flags & CODE_FLAG_INVALID);
+}
+
+inline static void code_flag_invalid(codeinfo *code)
+{
+ code->flags |= CODE_FLAG_INVALID;
+}
+
+inline static void code_unflag_invalid(codeinfo *code)
+{
+ code->flags &= ~CODE_FLAG_INVALID;
+}
+
+
+/* code_xxx_leafmethod *********************************************************
+
+ Functions for CODE_FLAG_LEAFMETHOD.
+
+*******************************************************************************/
+
+inline static int code_is_leafmethod(codeinfo *code)
+{
+ return (code->flags & CODE_FLAG_LEAFMETHOD);
+}
+
+inline static void code_flag_leafmethod(codeinfo *code)
+{
+ code->flags |= CODE_FLAG_LEAFMETHOD;
+}
+
+inline static void code_unflag_leafmethod(codeinfo *code)
+{
+ code->flags &= ~CODE_FLAG_LEAFMETHOD;
+}
+
+
+/* code_xxx_synchronized *******************************************************
+
+ Functions for CODE_FLAG_SYNCHRONIZED.
+
+*******************************************************************************/
+
+inline static int code_is_synchronized(codeinfo *code)
+{
+ return (code->flags & CODE_FLAG_SYNCHRONIZED);
+}
+
+inline static void code_flag_synchronized(codeinfo *code)
+{
+ code->flags |= CODE_FLAG_SYNCHRONIZED;
+}
+
+inline static void code_unflag_synchronized(codeinfo *code)
+{
+ code->flags &= ~CODE_FLAG_SYNCHRONIZED;
+}
+
+
+/* code_get_codeinfo_for_pv ****************************************************
+
+ Return the codeinfo for the given PV.
+
+ IN:
+ pv...............PV
+
+ RETURN VALUE:
+ the codeinfo *
+
+*******************************************************************************/
+
+inline static codeinfo *code_get_codeinfo_for_pv(void *pv)
+{
+ codeinfo *code;
+
+ assert(pv != NULL);
+
+ code = *((codeinfo **) (((uintptr_t) pv) + CodeinfoPointer));
+
+ return code;
+}
+
+
+/* function prototypes ********************************************************/
+
+void code_init(void);
+
codeinfo *code_codeinfo_new(methodinfo *m);
void code_codeinfo_free(codeinfo *code);
+codeinfo *code_find_codeinfo_for_pc(void *pc);
+codeinfo *code_find_codeinfo_for_pc_nocheck(void *pc);
+
+methodinfo *code_get_methodinfo_for_pv(void *pv);
+
+#if defined(ENABLE_REPLACEMENT)
int code_get_sync_slot_count(codeinfo *code);
-int code_get_stack_frame_size(codeinfo *code);
+#endif /* defined(ENABLE_REPLACEMENT) */
void code_free_code_of_method(methodinfo *m);
#endif /* _CODE_H */
+
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where
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