-/****************************** builtin.h **************************************
+/* vm/builtin.h - prototypes of builtin functions
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996-2005 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
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Contains the prototypes for the functions of file builtin.c which has
- a more detailed description.
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
- Authors: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
- Last Change: 1996/11/14
+ 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.
-*******************************************************************************/
+ Contact: cacao@complang.tuwien.ac.at
+ Authors: Reinhard Grafl
-/***************************** Prototypes *************************************/
+ Changes: Edwin Steiner
-typedef struct builtin_descriptor {
- functionptr bptr;
- char *name;
- } builtin_descriptor;
+ $Id: builtin.h 1735 2004-12-07 14:33:27Z twisti $
+
+*/
+
+
+#ifndef _BUILTIN_H
+#define _BUILTIN_H
+
+#include "arch.h"
+#include "config.h"
+#include "toolbox/logging.h"
+
+#if defined(USE_THREADS)
+# if defined(NATIVE_THREADS)
+# include "threads/native/threads.h"
+# else
+# include "threads/green/threads.h"
+# endif
+#endif
+
+
+/* define infinity for floating point numbers */
+
+#define FLT_NAN 0x7fc00000
+#define FLT_POSINF 0x7f800000
+#define FLT_NEGINF 0xff800000
+
+/* define infinity for double floating point numbers */
+
+#define DBL_NAN 0x7ff8000000000000LL
+#define DBL_POSINF 0x7ff0000000000000LL
+#define DBL_NEGINF 0xfff0000000000000LL
+
+
+/* float versions are not defined in gnu classpath's fdlibm */
+
+#define copysignf copysign
+#define finitef finite
+#define fmodf fmod
+#define isnanf isnan
+
+
+/**********************************************************************/
+/* BUILTIN FUNCTIONS TABLE */
+/**********************************************************************/
+
+/* IMPORTANT:
+ * For each builtin function which is used in a BUILTIN* opcode there
+ * must be an entry in the builtin_desc table in jit/jit.c.
+ */
+
+typedef struct builtin_descriptor builtin_descriptor;
+
+/* There is a builtin_descriptor in builtin_desc for every builtin
+ * function used in BUILTIN* opcodes.
+ */
+struct builtin_descriptor {
+ int opcode; /* opcode which is replaced by this builtin */
+ /* (255 means no automatic replacement, */
+ /* 0 means end of list.) */
+ functionptr builtin; /* the builtin function (specify BUILTIN_...*/
+ /* macro) */
+ int icmd; /* the BUILTIN* opcode to use (# of args) */
+ u1 type_s1; /* type of 1st argument */
+ u1 type_s2; /* type of 2nd argument, or TYPE_VOID */
+ u1 type_s3; /* type of 3rd argument, or TYPE_VOID */
+ u1 type_d; /* type of result (may be TYPE_VOID) */
+ bool supported;/* is <opcode> supported without builtin? */
+ bool isfloat; /* is this a floating point operation? */
+ char *name; /* display name of the builtin function */
+};
extern builtin_descriptor builtin_desc[];
-extern java_objectheader* exceptionptr;
+
+/**********************************************************************/
+/* GLOBAL VARIABLES */
+/**********************************************************************/
+
+#define THREADSPECIFIC
+#define exceptionptr (&_exceptionptr)
+#define threadrootmethod (&_threadrootmethod)
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+#ifdef HAVE___THREAD
+
+#undef THREADSPECIFIC
+#define THREADSPECIFIC __thread
+
+#endif
+
+#undef exceptionptr
+#undef threadrootmethod
+#define exceptionptr builtin_get_exceptionptrptr()
+#define threadrootmethod builtin_get_threadrootmethod()
+#endif
+
+#if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
+extern java_objectheader *_exceptionptr;
+extern methodinfo* _threadrootmethod;
+#endif
+
+
+/**********************************************************************/
+/* BUILTIN FUNCTIONS */
+/**********************************************************************/
+
+/* NOTE: Builtin functions which are used in the BUILTIN* opcodes must
+ * have a BUILTIN_... macro defined as seen below. In code dealing
+ * with the BUILTIN* opcodes the functions may only be addressed by
+ * these macros, never by their actual name! (This helps to make this
+ * code more portable.)
+ *
+ * C and assembler code which does not deal with the BUILTIN* opcodes,
+ * can use the builtin functions normally (like all other functions).
+ *
+ * IMPORTANT:
+ * For each builtin function which is used in a BUILTIN* opcode there
+ * must be an entry in the builtin_desc table in jit/jit.c.
+ *
+ * Below each prototype is either the BUILTIN_ macro definition or a
+ * comment specifiying that this function is not used in BUILTIN*
+ * opcodes.
+ *
+ * (The BUILTIN* opcodes are ICMD_BUILTIN1, ICMD_BUILTIN2 and
+ * ICMD_BUILTIN3.)
+ */
s4 builtin_instanceof(java_objectheader *obj, classinfo *class);
+#define BUILTIN_instanceof (functionptr) builtin_instanceof
s4 builtin_isanysubclass (classinfo *sub, classinfo *super);
-s4 builtin_isanysubclass_vftbl (vftbl *sub, vftbl *super);
+/* NOT AN OP */
+s4 builtin_isanysubclass_vftbl (vftbl_t *sub, vftbl_t *super);
+/* NOT AN OP */
s4 builtin_checkcast(java_objectheader *obj, classinfo *class);
-s4 asm_builtin_checkcast(java_objectheader *obj, classinfo *class);
+/* NOT AN OP */
+s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl_t *target);
+#define BUILTIN_arrayinstanceof (functionptr) builtin_arrayinstanceof
-s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl *target);
-#ifdef __I386__
+#if defined(__I386__)
s4 asm_builtin_arrayinstanceof(java_objectheader *obj, classinfo *class); /* XXX ? */
+#undef BUILTIN_arrayinstanceof
+#define BUILTIN_arrayinstanceof (functionptr) asm_builtin_arrayinstanceof
#endif
-s4 builtin_checkarraycast(java_objectheader *obj, vftbl *target);
-s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl *target);
-
-java_objectheader *builtin_throw_exception (java_objectheader *exception);
-java_objectheader *builtin_trace_exception (java_objectheader *exceptionptr,
- methodinfo *method, int *pos, int noindent);
-java_objectheader *builtin_new (classinfo *c);
+s4 builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
+/* NOT AN OP */
+s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
+#define BUILTIN_checkarraycast (functionptr) asm_builtin_checkarraycast
+java_objectheader *builtin_throw_exception(java_objectheader *exception);
+/* NOT AN OP */
+java_objectheader *builtin_trace_exception(java_objectheader *xptr,
+ methodinfo *m,
+ void *pos,
+ s4 line,
+ s4 noindent);
+/* NOT AN OP */
-java_arrayheader *builtin_newarray (s4 size, vftbl *arrayvftbl);
-java_objectarray *builtin_anewarray (s4 size, classinfo *component);
+java_objectheader *builtin_new(classinfo *c);
#ifdef __I386__
-void asm_builtin_newarray (s4 size, vftbl *arrayvftbl);
+java_objectheader *asm_builtin_new(classinfo *c);
+#define BUILTIN_new (functionptr) asm_builtin_new
+#else
+#define BUILTIN_new (functionptr) builtin_new
+#endif
+
+java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl);
+#define BUILTIN_newarray (functionptr) builtin_newarray
+java_objectarray *builtin_anewarray(s4 size, classinfo *component);
+/* NOT AN OP */
+
+#if defined(__I386__)
+void asm_builtin_newarray(s4 size, vftbl_t *arrayvftbl);
+#undef BUILTIN_newarray
+#define BUILTIN_newarray (functionptr) asm_builtin_newarray
#endif
-java_booleanarray *builtin_newarray_boolean (s4 size);
-java_chararray *builtin_newarray_char (s4 size);
-java_floatarray *builtin_newarray_float (s4 size);
-java_doublearray *builtin_newarray_double (s4 size);
-java_bytearray *builtin_newarray_byte (s4 size);
-java_shortarray *builtin_newarray_short (s4 size);
-java_intarray *builtin_newarray_int (s4 size);
-java_longarray *builtin_newarray_long (s4 size);
-java_arrayheader *builtin_nmultianewarray (int n,
- vftbl *arrayvftbl, long *dims);
-
-s4 builtin_canstore (java_objectarray *a, java_objectheader *o);
-void asm_builtin_aastore (java_objectarray *a, s4 index, java_objectheader *o);
+
+java_booleanarray *builtin_newarray_boolean(s4 size);
+#define BUILTIN_newarray_boolean (functionptr) builtin_newarray_boolean
+java_chararray *builtin_newarray_char(s4 size);
+#define BUILTIN_newarray_char (functionptr) builtin_newarray_char
+java_floatarray *builtin_newarray_float(s4 size);
+#define BUILTIN_newarray_float (functionptr) builtin_newarray_float
+java_doublearray *builtin_newarray_double(s4 size);
+#define BUILTIN_newarray_double (functionptr) builtin_newarray_double
+java_bytearray *builtin_newarray_byte(s4 size);
+#define BUILTIN_newarray_byte (functionptr) builtin_newarray_byte
+java_shortarray *builtin_newarray_short(s4 size);
+#define BUILTIN_newarray_short (functionptr) builtin_newarray_short
+java_intarray *builtin_newarray_int(s4 size);
+#define BUILTIN_newarray_int (functionptr) builtin_newarray_int
+java_longarray *builtin_newarray_long(s4 size);
+#define BUILTIN_newarray_long (functionptr) builtin_newarray_long
+java_arrayheader *builtin_nmultianewarray(int n, vftbl_t *arrayvftbl, long *dims);
+/* java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims); */
+/* NOT AN OP */
+
+s4 builtin_canstore(java_objectarray *a, java_objectheader *o);
+/* NOT AN OP */
+void asm_builtin_aastore(java_objectarray *a, s4 index, java_objectheader *o);
+#define BUILTIN_aastore (functionptr) asm_builtin_aastore
#ifdef TRACE_ARGS_NUM
#if TRACE_ARGS_NUM == 6
-void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, methodinfo *method);
+void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, methodinfo *m);
+/* NOT AN OP */
#else
-void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, s8 a6, s8 a7, methodinfo *method);
+void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, s8 a6, s8 a7, methodinfo *m);
+/* NOT AN OP */
#endif
#endif
-void builtin_displaymethodstart(methodinfo *method);
-void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f);
-/* void builtin_displaymethodstop(methodinfo *method); */
-void builtin_displaymethodexception(methodinfo *method);
-
-void builtin_monitorenter (java_objectheader *o);
-void asm_builtin_monitorenter (java_objectheader *o);
-void builtin_monitorexit (java_objectheader *o);
-void asm_builtin_monitorexit (java_objectheader *o);
-
-s4 builtin_idiv (s4 a, s4 b);
-s4 asm_builtin_idiv (s4 a, s4 b);
-s4 builtin_irem (s4 a, s4 b);
-s4 asm_builtin_irem (s4 a, s4 b);
-
-s8 builtin_ladd (s8 a, s8 b);
-s8 builtin_lsub (s8 a, s8 b);
-s8 builtin_lmul (s8 a, s8 b);
-s8 builtin_ldiv (s8 a, s8 b);
-s8 asm_builtin_ldiv (s8 a, s8 b);
-s8 builtin_lrem (s8 a, s8 b);
-s8 asm_builtin_lrem (s8 a, s8 b);
-s8 builtin_lshl (s8 a, s4 b);
-s8 builtin_lshr (s8 a, s4 b);
-s8 builtin_lushr (s8 a, s4 b);
-s8 builtin_land (s8 a, s8 b);
-s8 builtin_lor (s8 a, s8 b);
-s8 builtin_lxor (s8 a, s8 b);
-s8 builtin_lneg (s8 a);
-s4 builtin_lcmp (s8 a, s8 b);
-
-float builtin_fadd (float a, float b);
-float builtin_fsub (float a, float b);
-float builtin_fmul (float a, float b);
-float builtin_fdiv (float a, float b);
-float builtin_frem (float a, float b);
-float builtin_fneg (float a);
-s4 builtin_fcmpl (float a, float b);
-s4 builtin_fcmpg (float a, float b);
-
-double builtin_dadd (double a, double b);
-double builtin_dsub (double a, double b);
-double builtin_dmul (double a, double b);
-double builtin_ddiv (double a, double b);
-double builtin_drem (double a, double b);
-double builtin_dneg (double a);
-s4 builtin_dcmpl (double a, double b);
-s4 builtin_dcmpg (double a, double b);
-
-s8 builtin_i2l (s4 i);
-float builtin_i2f (s4 i);
-double builtin_i2d (s4 i);
-s4 builtin_l2i (s8 l);
-float builtin_l2f (s8 l);
-double builtin_l2d (s8 l);
-
-s4 builtin_f2i (float a);
-s4 asm_builtin_f2i (float a);
-s8 builtin_f2l (float a);
-s8 asm_builtin_f2l (float a);
-
-double builtin_f2d (float a);
-
-s4 builtin_d2i (double a);
-s4 asm_builtin_d2i (double a);
-s8 builtin_d2l (double a);
-s8 asm_builtin_d2l (double a);
-
-float builtin_d2f (double a);
-
-java_arrayheader *builtin_clone_array(void *env,java_arrayheader *o);
+void builtin_displaymethodstart(methodinfo *m);
+/* NOT AN OP */
+void builtin_displaymethodstop(methodinfo *m, s8 l, double d, float f);
+/* NOT AN OP */
+
+void builtin_monitorenter(java_objectheader *o);
+/* NOT AN OP */
+void builtin_staticmonitorenter(classinfo *c);
+/* NOT AN OP */
+void asm_builtin_monitorenter(java_objectheader *o);
+#define BUILTIN_monitorenter (functionptr) asm_builtin_monitorenter
+void *builtin_monitorexit(java_objectheader *o);
+/* NOT AN OP */
+void *asm_builtin_monitorexit(java_objectheader *o);
+#define BUILTIN_monitorexit (functionptr) asm_builtin_monitorexit
+
+s4 builtin_idiv(s4 a, s4 b);
+/* NOT AN OP */
+s4 asm_builtin_idiv(s4 a, s4 b);
+#define BUILTIN_idiv (functionptr) asm_builtin_idiv
+s4 builtin_irem(s4 a, s4 b);
+/* NOT AN OP */
+s4 asm_builtin_irem(s4 a, s4 b);
+#define BUILTIN_irem (functionptr) asm_builtin_irem
+
+s8 builtin_ladd(s8 a, s8 b);
+#define BUILTIN_ladd (functionptr) builtin_ladd
+s8 builtin_lsub(s8 a, s8 b);
+#define BUILTIN_lsub (functionptr) builtin_lsub
+s8 builtin_lmul(s8 a, s8 b);
+#define BUILTIN_lmul (functionptr) builtin_lmul
+s8 builtin_ldiv(s8 a, s8 b);
+/* NOT AN OP */
+s8 asm_builtin_ldiv(s8 a, s8 b);
+#define BUILTIN_ldiv (functionptr) asm_builtin_ldiv
+s8 builtin_lrem(s8 a, s8 b);
+/* NOT AN OP */
+s8 asm_builtin_lrem(s8 a, s8 b);
+#define BUILTIN_lrem (functionptr) asm_builtin_lrem
+s8 builtin_lshl(s8 a, s4 b);
+#define BUILTIN_lshl (functionptr) builtin_lshl
+s8 builtin_lshr(s8 a, s4 b);
+#define BUILTIN_lshr (functionptr) builtin_lshr
+s8 builtin_lushr(s8 a, s4 b);
+#define BUILTIN_lushr (functionptr) builtin_lushr
+s8 builtin_land(s8 a, s8 b);
+#define BUILTIN_land (functionptr) builtin_land
+s8 builtin_lor(s8 a, s8 b);
+#define BUILTIN_lor (functionptr) builtin_lor
+s8 builtin_lxor(s8 a, s8 b);
+#define BUILTIN_lxor (functionptr) builtin_lxor
+s8 builtin_lneg(s8 a);
+#define BUILTIN_lneg (functionptr) builtin_lneg
+s4 builtin_lcmp(s8 a, s8 b);
+#define BUILTIN_lcmp (functionptr) builtin_lcmp
+
+float builtin_fadd(float a, float b);
+/* NOT AN OP */
+float builtin_fsub(float a, float b);
+/* NOT AN OP */
+float builtin_fmul(float a, float b);
+/* NOT AN OP */
+float builtin_fdiv(float a, float b);
+/* NOT AN OP */
+float builtin_fneg(float a);
+/* NOT AN OP */
+s4 builtin_fcmpl(float a, float b);
+/* NOT AN OP */
+s4 builtin_fcmpg(float a, float b);
+/* NOT AN OP */
+float builtin_frem(float a, float b);
+#define BUILTIN_frem (functionptr) builtin_frem
+
+double builtin_dadd(double a, double b);
+/* NOT AN OP */
+double builtin_dsub(double a, double b);
+/* NOT AN OP */
+double builtin_dmul(double a, double b);
+/* NOT AN OP */
+double builtin_ddiv(double a, double b);
+/* NOT AN OP */
+double builtin_dneg(double a);
+/* NOT AN OP */
+s4 builtin_dcmpl(double a, double b);
+/* NOT AN OP */
+s4 builtin_dcmpg(double a, double b);
+/* NOT AN OP */
+double builtin_drem(double a, double b);
+#define BUILTIN_drem (functionptr) builtin_drem
+
+s8 builtin_i2l(s4 i);
+/* NOT AN OP */
+float builtin_i2f(s4 i);
+#define BUILTIN_i2f (functionptr) builtin_i2f
+double builtin_i2d(s4 i);
+#define BUILTIN_i2d (functionptr) builtin_i2d
+s4 builtin_l2i(s8 l);
+/* NOT AN OP */
+float builtin_l2f(s8 l);
+#define BUILTIN_l2f (functionptr) builtin_l2f
+double builtin_l2d(s8 l);
+#define BUILTIN_l2d (functionptr) builtin_l2d
+
+s4 builtin_f2i(float a);
+#define BUILTIN_f2i (functionptr) builtin_f2i
+s4 asm_builtin_f2i(float a);
+/* NOT AN OP */
+s8 builtin_f2l(float a);
+#define BUILTIN_f2l (functionptr) builtin_f2l
+s8 asm_builtin_f2l(float a);
+/* NOT AN OP */
+
+double builtin_f2d(float a);
+/* NOT AN OP */
+
+s4 builtin_d2i(double a);
+#define BUILTIN_d2i (functionptr) builtin_d2i
+s4 asm_builtin_d2i(double a);
+/* NOT AN OP */
+s8 builtin_d2l(double a);
+#define BUILTIN_d2l (functionptr) builtin_d2l
+s8 asm_builtin_d2l(double a);
+/* NOT AN OP */
+
+float builtin_d2f(double a);
+/* NOT AN OP */
+
+java_arrayheader *builtin_clone_array(void *env, java_arrayheader *o);
+/* NOT AN OP */
+
+/* builtin_dummy just panics if it is executed. */
+s4 builtin_dummy();
+/* NOT AN OP */
+
+/* conversion helper functions */
+inline float intBitsToFloat(s4 i);
+inline float longBitsToDouble(s8 l);
+
+/* this is a wrapper for calls from asmpart */
+java_objectheader **builtin_asm_get_exceptionptrptr();
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+static inline java_objectheader **builtin_get_exceptionptrptr();
+/* NOT AN OP */
+static inline methodinfo **builtin_get_threadrootmethod();
+/* NOT AN OP */
+
+inline java_objectheader **builtin_get_exceptionptrptr()
+{
+ return &THREADINFO->_exceptionptr;
+}
+
+inline methodinfo **builtin_get_threadrootmethod()
+{
+ return &THREADINFO->_threadrootmethod;
+}
+#endif
+
+
+/* returns the root method of a thread. this is used in asmpart.S and delivers the abort condition
+ for the stack unwinding for getClassContext and getClassLoader. For the main thread this is the main function.
+ Otherwhise it is the thread's run method (at least that's how I see it) (jowenn) */
+methodinfo *builtin_asm_get_threadrootmethod();
+
+/* returns the current top element of the stack frame info list (needed for unwinding across native functions) */
+/* on i386 this is a pointer to a structure
+ ------------------------------------------------
+ | return adress out of native stub |
+ | pointer to method info | either i have to save an arbitrary adress within this native stub or the pointer to the method info, both are equaly costly, I have chosen the method info (JOWENN)
+ | pointer to thread specific top of this list |<----stack frame begin
+points here---->| previous element in list |
+ ------------------------------------------------
+*/
+void *builtin_asm_get_stackframeinfo();
+stacktraceelement *builtin_stacktrace_copy(stacktraceelement **,stacktraceelement *begin, stacktraceelement *end);
+#endif /* _BUILTIN_H */
/*
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