-/* jit/jit.h - code generation header
+/* src/vm/jit/jit.h - code generation header
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
- M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
- P. Tomsich, J. Wenninger
+ 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
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
Authors: Andreas Krall
Reinhard Grafl
Changes: Christian Thalinger
+ Edwin Steiner
- $Id: jit.h 1038 2004-04-26 16:41:30Z twisti $
+ $Id: jit.h 4524 2006-02-16 19:39:36Z christian $
*/
#ifndef _JIT_H
#define _JIT_H
-#include "toolbox/chain.h"
-#include "global.h"
-#include "builtin.h"
-#include "typeinfo.h"
-
-/**************************** resolve typedef-cycles **************************/
+/* resolve typedef cycles *****************************************************/
typedef struct stackelement stackelement;
typedef stackelement *stackptr;
typedef struct basicblock basicblock;
typedef struct instruction instruction;
typedef struct subroutineinfo subroutineinfo;
-typedef struct varinfo varinfo;
-typedef struct branchref branchref;
-typedef struct jumpref jumpref;
-typedef struct dataref dataref;
-typedef varinfo *varinfoptr;
-typedef struct linenumberref linenumberref;
+
+
+#include "config.h"
+#include "vm/types.h"
+
+#include "toolbox/chain.h"
+#include "vm/global.h"
+#include "vm/method.h"
+#include "vm/references.h"
+#include "vm/statistics.h"
+#include "vm/jit/codegen-common.h"
+#include "vm/jit/verify/typeinfo.h"
+
+
+/* common jit/codegen macros **************************************************/
+
+#if defined(ENABLE_STATISTICS)
+# define COUNT(x) (x)++
+# define COUNT_SPILLS count_spills++
+#else
+# define COUNT(x) /* nothing */
+# define COUNT_SPILLS /* nothing */
+#endif
/************************** stack element structure ***************************/
#define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
#define TYPE_ADR TYPE_ADDRESS /*4*/
-#define IS_INT_LNG_TYPE(a) (!((a)&TYPE_FLT))
-#define IS_FLT_DBL_TYPE(a) ((a)&TYPE_FLT)
-#define IS_2_WORD_TYPE(a) ((a)&TYPE_LNG)
+#define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
+#define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
+#define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
+#define IS_ADR_TYPE(a) ((a) & TYPE_ADR)
/* flags */
#define SAVEDVAR 1 /* variable has to survive method invocations */
#define INMEMORY 2 /* variable stored in memory */
#define SAVEDTMP 4 /* temporary variable using a saved register */
+#define TMPARG 8 /* temporary variable using a arg register */
+#define STCOPY 16 /* there is another stackslot alive */
+ /* using the same register/memory location */
/* variable kinds */
struct stackelement {
stackptr prev; /* pointer to next element towards bottom */
- int type; /* slot type of stack element */
-#ifdef CACAO_TYPECHECK
+ s4 type; /* slot type of stack element */
+#ifdef ENABLE_VERIFIER
typeinfo typeinfo; /* info on reference types */
#endif
- int flags; /* flags (SAVED, INMEMORY) */
- int varkind; /* kind of variable or register */
- int varnum; /* number of variable */
- int regoff; /* register number or memory offset */
+ s4 flags; /* flags (SAVED, INMEMORY) */
+ s4 varkind; /* kind of variable or register */
+ s4 varnum; /* number of variable */
+ s4 regoff; /* register number or memory offset */
};
/**************************** instruction structure ***************************/
struct instruction {
- stackptr dst; /* stack index of destination operand stack */
- u2 opc; /* opcode of intermediate code command */
- s4 op1; /* first operand, usually variable number */
- imm_union val; /* immediate constant */
- void *target; /* used for targets of branches and jumps */
- /* and as address for list of targets for */
- /* statements */
- u2 line; /* line number in source file */
- classinfo *clazz; /*needed for inlining. can't be done on basic block level, since an inlined
- function doesn't start necessarily start a new block*/
+ stackptr dst; /* stack index of destination operand stack */
+ u2 opc; /* opcode of intermediate code command */
+ s4 op1; /* first operand, usually variable number */
+ imm_union val; /* immediate constant */
+ void *target; /* used for targets of branches and jumps */
+ /* and as address for list of targets for */
+ /* statements */
+ u2 line; /* line number in source file */
+ methodinfo *method; /* needed for inlining. can't be done on */
+ /* basic block level, since an inlined */
+ /* function doesn't necessarily start */
+ /* a new block */
};
+#define INSTRUCTION_PUTCONST_TYPE(iptr) \
+ ((iptr)[0].op1)
+
+#define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
+ ((iptr)[0].val.a)
-/**************************** basic block structure ***************************/
+#define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
+ ((fieldinfo *)((iptr)[1].val.a))
+
+#define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
+ ((fieldinfo **) &((iptr)[1].val.a))
+
+#define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
+ ((unresolved_field *)((iptr)[1].target))
+
+
+/* basicblock *****************************************************************/
-/* flags */
+/* flags */
+
+#define BBDELETED -2
+#define BBUNDEF -1
+#define BBREACHED 0
+#define BBFINISHED 1
-#define BBDELETED -2
-#define BBUNDEF -1
-#define BBREACHED 0
-#define BBFINISHED 1
#define BBTYPECHECK_UNDEF 2
#define BBTYPECHECK_REACHED 3
-#define BBTYPE_STD 0 /* standard basic block type */
-#define BBTYPE_EXH 1 /* exception handler basic block type */
-#define BBTYPE_SBR 2 /* subroutine basic block type */
+#define BBTYPE_STD 0 /* standard basic block type */
+#define BBTYPE_EXH 1 /* exception handler basic block type */
+#define BBTYPE_SBR 2 /* subroutine basic block type */
+
-struct basicblock {
- int flags; /* used during stack analysis, init with -1 */
- int type; /* basic block type (std, xhandler, subroutine*/
+struct basicblock {
+ s4 debug_nr; /* basic block number */
+ s4 flags; /* used during stack analysis, init with -1 */
+ s4 type; /* basic block type (std, xhandler, subroutine*/
instruction *iinstr; /* pointer to intermediate code instructions */
- int icount; /* number of intermediate code instructions */
- int mpc; /* machine code pc at start of block */
+ s4 icount; /* number of intermediate code instructions */
+ s4 mpc; /* machine code pc at start of block */
stackptr instack; /* stack at begin of basic block */
stackptr outstack; /* stack at end of basic block */
- int indepth; /* stack depth at begin of basic block */
- int outdepth; /* stack depth end of basic block */
- int pre_count; /* count of predecessor basic blocks */
+ s4 indepth; /* stack depth at begin of basic block */
+ s4 outdepth; /* stack depth end of basic block */
+ s4 pre_count; /* count of predecessor basic blocks */
branchref *branchrefs; /* list of branches to be patched */
basicblock *next; /* used to build a BB list (instead of array) */
- int lflags; /* used during loop copying, init with 0 */
+ s4 lflags; /* used during loop copying, init with 0 */
basicblock *copied_to; /* points to the copy of this basic block */
/* when loop nodes are copied */
- int debug_nr;
-};
-
-
-/************************* pseudo variable structure **************************/
-
-struct varinfo {
- int type; /* basic type of variable */
- int flags; /* flags (SAVED, INMEMORY) */
- int regoff; /* register number or memory offset */
-};
-
-typedef varinfo varinfo5[5];
-
-
-/***************** forward references in branch instructions ******************/
-
-struct branchref {
- s4 branchpos; /* patching position in code segment */
- s4 reg; /* used for ArrayIndexOutOfBounds index reg */
- branchref *next; /* next element in branchref list */
-};
-
-
-/******************** forward references in tables ***************************/
-
-struct jumpref {
- s4 tablepos; /* patching position in data segment */
- basicblock *target; /* target basic block */
- jumpref *next; /* next element in jumpref list */
-};
-
-struct linenumberref {
- s4 tablepos; /* patching position in data segment */
- int targetmpc; /* machine code program counter of first instruction for given line*/
- u2 linenumber; /* line number, used for inserting into the table and for validty checking*/
- linenumberref *next; /* next element in linenumberref list */
-};
-
-
-struct dataref {
- u1 *pos; /* patching position in generated code */
- dataref *next; /* next element in dataref list */
+ stackptr stack; /* start of stack array for this block */
};
#define ICMD_ACONST 1 /* val.a = constant */
#define JAVA_ICONST_M1 2
-#define ICMD_NULLCHECKPOP 2
+#define ICMD_CHECKNULL 2
#define JAVA_ICONST_0 3
#define ICMD_ICONST 3 /* val.i = constant */
#define JAVA_ICONST_1 4
-#define ICMD_IREM0X10001 4
#define JAVA_ICONST_2 5
#define ICMD_IDIVPOW2 5 /* val.i = constant */
#define JAVA_ICONST_4 7
#define JAVA_ICONST_5 8
-#define ICMD_LREM0X10001 8
#define JAVA_LCONST_0 9
#define ICMD_LCONST 9 /* val.l = constant */
#define JAVA_INVOKEINTERFACE 185
#define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
-#define ICMD_CHECKASIZE 186 /* */
+/* UNDEF186 */
#define JAVA_NEW 187
#define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
#define JAVA_BREAKPOINT 202
-#define ICMD_CHECKOOM 203 /* check for out of memory error */
+/* UNDEF203 */
+
+#define ICMD_IASTORECONST 204
+
+#define ICMD_LASTORECONST 205
+
+#define ICMD_FASTORECONST 206
+
+#define ICMD_DASTORECONST 207
+
+#define ICMD_AASTORECONST 208
+
+#define ICMD_BASTORECONST 209
+
+#define ICMD_CASTORECONST 210
+
+#define ICMD_SASTORECONST 211
+
+#define ICMD_PUTSTATICCONST 212
+
+#define ICMD_PUTFIELDCONST 213
+
+#define ICMD_IMULPOW2 214
+
+#define ICMD_LMULPOW2 215
+
+#define ICMD_INLINE_START 251 /* instruction before inlined method */
+#define ICMD_INLINE_END 252 /* instruction after inlined method */
+#define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
+
+#define ICMD_BUILTIN 255 /* internal opcode */
-#define ICMD_BUILTIN3 253 /* internal opcode */
-#define ICMD_BUILTIN2 254 /* internal opcode */
-#define ICMD_BUILTIN1 255 /* internal opcode */
#define ICMD_READONLY_ARG 1024 /* used for inlining, opcodes 1024-1028 are used */
#define ICMD_CLEAR_ARGREN 1029 /* indicates the start of a new inlined method argument renaming must be reset */
/******************* description of JavaVM instructions ***********************/
-#if defined(USEBUILTINTABLE)
-
-builtin_descriptor *find_builtin(int opcode);
-
-#endif /* USEBUILTINTABLE */
/***************************** register types *********************************/
/***************************** register info block ****************************/
-extern int nregdescint[]; /* description of integer registers */
-extern int nregdescfloat[]; /* description of floating point registers */
-
-extern int nreg_parammode;
-
-
-/* compiler switches (set by main function) ***********************************/
-
-extern int count_jit_calls;
-extern int count_methods;
-extern int count_spills;
-extern int count_pcmd_activ;
-extern int count_pcmd_drop;
-extern int count_pcmd_zero;
-extern int count_pcmd_const_store;
-extern int count_pcmd_const_alu;
-extern int count_pcmd_const_bra;
-extern int count_pcmd_load;
-extern int count_pcmd_move;
-extern int count_load_instruction;
-extern int count_pcmd_store;
-extern int count_pcmd_store_comb;
-extern int count_dup_instruction;
-extern int count_pcmd_op;
-extern int count_pcmd_mem;
-extern int count_pcmd_met;
-extern int count_pcmd_bra;
-extern int count_pcmd_table;
-extern int count_pcmd_return;
-extern int count_pcmd_returnx;
-extern int count_check_null;
-extern int count_check_bound;
-extern int count_max_basic_blocks;
-extern int count_basic_blocks;
-extern int count_max_javainstr;
-extern int count_javainstr;
-extern int count_javacodesize;
-extern int count_javaexcsize;
-extern int count_calls;
-extern int count_tryblocks;
-extern int count_code_len;
-extern int count_data_len;
-extern int count_cstub_len;
-extern int count_nstub_len;
-extern int count_max_new_stack;
-extern int count_upper_bound_new_stack;
-extern int *count_block_stack;
-extern int *count_analyse_iterations;
-extern int *count_method_bb_distribution;
-extern int *count_block_size_distribution;
-extern int *count_store_length;
-extern int *count_store_depth;
-
-
-/* global compiler variables */
-
-extern classinfo *class; /* class the compiled method belongs to */
-extern methodinfo *method; /* pointer to method info of compiled method */
-extern utf *descriptor; /* type descriptor of compiled method */
-extern int mparamcount; /* number of parameters (incl. this) */
-extern u1 *mparamtypes; /* types of all parameters (TYPE_INT, ...) */
-
-extern int maxstack; /* maximal JavaVM stack size */
-extern int maxlocals; /* maximal number of local JavaVM variables */
-extern int jcodelength; /* length of JavaVM-codes */
-extern u1 *jcode; /* pointer to start of JavaVM-code */
-extern lineinfo *jlinenumbers; /* line information array */
-extern u2 jlinenumbercount; /* number of entries in the linenumber array */
-extern int exceptiontablelength;/* length of exception table */
-extern xtable *extable; /* pointer to start of exception table */
-extern exceptiontable *raw_extable;
-
-extern int block_count; /* number of basic blocks */
-extern basicblock *block; /* points to basic block array */
-extern int *block_index; /* a table which contains for every byte of */
- /* JavaVM code a basic block index if at this */
- /* byte there is the start of a basic block */
-
-extern int instr_count; /* number of JavaVM instructions */
-extern instruction *instr; /* points to intermediate code instructions */
-
-extern int stack_count; /* number of stack elements */
-extern stackelement *stack; /* points to intermediate code instructions */
-
-extern bool isleafmethod; /* true if a method doesn't call subroutines */
-
-extern basicblock *last_block; /* points to the end of the BB list */
-
-extern bool regs_ok; /* true if registers have been allocated */
-
-
-/* list of all classes used by the compiled method which have to be */
-/* initialised (if not already done) before execution of this method */
-extern chain *uninitializedclasses;
-
extern int stackreq[256];
-#if defined(__I386__)
-extern bool method_uses_ecx;
-extern bool method_uses_edx;
-#endif
-
-
-/* function prototypes */
-
-methodptr jit_compile (methodinfo *m); /* compile a method with jit compiler */
+/* function prototypes ********************************************************/
-void jit_init(); /* compiler initialisation */
-void jit_close(); /* compiler finalisation */
+/* compiler initialisation */
+void jit_init(void);
-u1 *createcompilerstub(methodinfo *m);
-u1 *createnativestub(functionptr f, methodinfo *m);
+/* compiler finalisation */
+void jit_close(void);
-void removecompilerstub(u1 *stub);
-void removenativestub(u1 *stub);
+/* compile a method with jit compiler */
+u1 *jit_compile(methodinfo *m);
-void typecheck();
-
-/* debug helpers (in stack.c) */
+/* machine dependent initialization */
+#if defined(ENABLE_JIT)
+void md_init(void);
+#endif
-void icmd_print_stack(stackptr s);
-char *icmd_builtin_name(functionptr bptr);
-void show_icmd_block(basicblock *bptr);
-void show_icmd(instruction *iptr,bool deadcode);
-void show_icmd_method();
+#if defined(ENABLE_INTRP)
+void intrp_md_init(void);
+#endif
#endif /* _JIT_H */
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
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