* Removed all Id tags.

[cacao.git] / src / vm / jit / code.h

diff --git a/src/vm/jit/code.h b/src/vm/jit/code.h
index 69e612f2ae5e0154795a439e2947847b8185f3be..206d1a5ea10a720649442a719aade61e0d7b07d9 100644 (file)
--- a/src/vm/jit/code.h
+++ b/src/vm/jit/code.h
@@ -1,6 +1,6 @@
 /* src/vm/jit/code.h - codeinfo struct for representing compiled code
 
-   Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+   Copyright (C) 1996-2005, 2006, 2007 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
@@ -22,14 +22,6 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 
-   Contact: cacao@cacaojvm.org
-
-   Authors: Edwin Steiner
-
-   Changes: Christian Thalinger
-
-   $Id$
-
 */
 
 
@@ -38,27 +30,40 @@
 
 /* forward typedefs ***********************************************************/
 
-typedef struct codeinfo codeinfo;
-
 #include "config.h"
 #include "vm/types.h"
 
-#include "vm/method.h"
+#include "toolbox/list.h"
+
+#include "vm/global.h"
+
 #include "vm/jit/replace.h"
 
+#include "vmcore/method.h"
+
+
+/* constants ******************************************************************/
+
+#define CODE_FLAG_INVALID     0x0001
+#define CODE_FLAG_LEAFMETHOD  0x0002
+
 
 /* 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   */
 
-       bool          invalid;
+       u4            codeflags;            /* or of CODE_FLAG_ constants         */
 
        u1            optlevel;             /* optimization level of this code    */
        s4            basicblockcount;      /* number of basic blocks             */
@@ -68,7 +73,11 @@ struct codeinfo {
        u1           *entrypoint;           /* machine code entry point           */
        s4            mcodelength;          /* length of generated machine code   */
 
+       /* patcher list */
+       list_t       *patchers;
+
        /* replacement */                                   
+#if defined(ENABLE_REPLACEMENT)
        rplpoint     *rplpoints;            /* replacement points                 */
        rplalloc     *regalloc;             /* register allocation info           */
        s4            rplpointcount;        /* number of replacement points       */
@@ -78,20 +87,46 @@ struct codeinfo {
        s4            stackframesize;       /* size of the stackframe in 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
 };
 
 
+/* macros *********************************************************************/
+
+#define CODE_IS_VALID(code)       (!((code)->codeflags & CODE_FLAG_INVALID))
+#define CODE_IS_INVALID(code)     ((code)->codeflags & CODE_FLAG_INVALID)
+#define CODE_IS_LEAFMETHOD(code)  ((code)->codeflags & CODE_FLAG_LEAFMETHOD)
+
+#define CODE_SETFLAG_INVALID(code)                                   \
+            ((code)->codeflags |= CODE_FLAG_INVALID)
+#define CODE_SETFLAG_LEAFMETHOD(code)                                \
+            ((code)->codeflags |= CODE_FLAG_LEAFMETHOD)
+
+
 /* function prototypes ********************************************************/
 
+bool code_init(void);
+
 codeinfo *code_codeinfo_new(methodinfo *m);
 void code_codeinfo_free(codeinfo *code);
 
+codeinfo *code_find_codeinfo_for_pc(u1 *pc);
+
+methodinfo *code_get_methodinfo_for_pv(u1 *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);