Authors: Reinhard Grafl
- $Id: builtin.h 716 2003-12-07 21:59:12Z twisti $
+ Changes: Edwin Steiner
+
+ $Id: builtin.h 1067 2004-05-18 10:25:51Z stefan $
*/
#ifndef _BUILTIN_H
#define _BUILTIN_H
+#include "config.h"
+#include "toolbox/logging.h"
+#include "threads/thread.h"
+
/* define infinity for floating point numbers */
#define DBL_NEGINF 0xfff0000000000000LL
-typedef struct builtin_descriptor {
- functionptr bptr;
- char *name;
- } builtin_descriptor;
+/* 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)
-/* function prototypes */
+#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);
+/* NOT AN OP */
s4 builtin_isanysubclass_vftbl (vftbl *sub, vftbl *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 *target);
+#define BUILTIN_arrayinstanceof (functionptr) builtin_arrayinstanceof
+
#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);
+/* NOT AN OP */
s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl *target);
+#define BUILTIN_checkarraycast (functionptr) asm_builtin_checkarraycast
java_objectheader *builtin_throw_exception(java_objectheader *exception);
-java_objectheader *builtin_trace_exception(java_objectheader *exceptionptr,
+/* NOT AN OP */
+java_objectheader *builtin_trace_exception(java_objectheader *_exceptionptr,
methodinfo *method,
- int *pos, int noindent);
+ int *pos, int line, int noindent);
+/* NOT AN OP */
-java_objectheader *builtin_new(classinfo *c);
+static inline java_objectheader **builtin_get_exceptionptrptr();
+/* NOT AN OP */
+static inline methodinfo **builtin_get_threadrootmethod();
+/* NOT AN OP */
+java_objectheader *builtin_new(classinfo *c);
+#ifdef __I386__
+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 *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 *arrayvftbl);
+#undef BUILTIN_newarray
+#define BUILTIN_newarray (functionptr) asm_builtin_newarray
#endif
+
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);
-java_arrayheader *builtin_nmultianewarray(int n,
- vftbl *arrayvftbl, long *dims);
+#define BUILTIN_newarray_long (functionptr) builtin_newarray_long
+java_arrayheader *builtin_nmultianewarray(int n, vftbl *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);
+/* 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);
+/* NOT AN OP */
#endif
#endif
void builtin_displaymethodstart(methodinfo *method);
+/* NOT AN OP */
void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f);
-/* void builtin_displaymethodstop(methodinfo *method); */
-void builtin_displaymethodexception(methodinfo *method);
+/* NOT AN OP */
void builtin_monitorenter(java_objectheader *o);
+/* 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);
-s4 asm_builtin_idiv(s4 a, s4 b);
+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);
-float builtin_fneg(float a);
-s4 builtin_fcmpl(float a, float b);
-s4 builtin_fcmpg(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);
-double builtin_dneg(double a);
-s4 builtin_dcmpl(double a, double b);
-s4 builtin_dcmpg(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 */
-/* conversion helper functions */
+/* 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);
-java_arrayheader *builtin_clone_array(void *env, java_arrayheader *o);
+/* this is a wrapper for calls from asmpart */
+java_objectheader **builtin_asm_get_exceptionptrptr();
+inline java_objectheader **builtin_get_exceptionptrptr()
+{
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ return &THREADINFO->_exceptionptr;
+#else
+ panic("builtin_get_exceptionptrptr should not be used in this configuration");
+ return NULL;
+#endif
+}
+
+inline methodinfo **builtin_get_threadrootmethod()
+{
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ return &THREADINFO->_threadrootmethod;
+#else
+ panic("builting_get_threadrootmethod should not be used in this configuration");
+ return NULL;
+#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 */