Authors: Reinhard Grafl
- $Id: builtin.h 727 2003-12-11 10:52:40Z edwin $
+ Changes: Edwin Steiner
+
+ $Id: builtin.h 930 2004-03-02 21:18:23Z jowenn $
*/
#ifndef _BUILTIN_H
#define _BUILTIN_H
+#include "config.h"
+#include "toolbox/loging.h"
+
/* define infinity for floating point numbers */
#define DBL_POSINF 0x7ff0000000000000LL
#define DBL_NEGINF 0xfff0000000000000LL
-/* XXX delete */
-#if 0
-typedef struct builtin_descriptor {
- functionptr bptr;
- char *name;
- } builtin_descriptor;
-#endif
+/* 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;
- functionptr builtin;
- int icmd;
- u1 type_s1;
- u1 type_s2;
- u1 type_s3;
- u1 type_d;
- bool supported;
- bool isfloat;
- char *name;
+ 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 int builtintablelen;
-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
+
+#else
+
+#undef exceptionptr
+#undef threadrootmethod
+#define exceptionptr builtin_get_exceptionptrptr()
+#define threadrootmethod builtin_get_threadrootmethod()
+#endif
+#endif
+
+extern THREADSPECIFIC java_objectheader* _exceptionptr;
+extern THREADSPECIFIC methodinfo* _threadrootmethod;
+extern THREADSPECIFIC native_stackframeinfo* _threadnativestackframeinfo;
/**********************************************************************/
*
* IMPORTANT:
* For each builtin function which is used in a BUILTIN* opcode there
- * must be an entry in the builtin_desc table in builtin.c!
+ * 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*
java_objectheader *builtin_throw_exception(java_objectheader *exception);
/* NOT AN OP */
-java_objectheader *builtin_trace_exception(java_objectheader *exceptionptr,
+java_objectheader *builtin_trace_exception(java_objectheader *_exceptionptr,
methodinfo *method,
int *pos, int noindent);
/* NOT AN OP */
+static inline java_objectheader **builtin_get_exceptionptrptr();
+static inline methodinfo **builtin_get_threadrootmethod();
+/* NOT AN OP */
+void builtin_reset_exceptionptr();
+/* NOT AN OP */
+
java_objectheader *builtin_new(classinfo *c);
#define BUILTIN_new (functionptr) builtin_new
/* NOT AN OP */
#endif
#endif
-void builtin_displaymethodstart(methodinfo *method); /* XXX? */
+void builtin_displaymethodstart(methodinfo *method);
/* NOT AN OP */
void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f);
/* NOT AN OP */
-/* void builtin_displaymethodstop(methodinfo *method); */ /* XXX? */
-void builtin_displaymethodexception(methodinfo *method); /* XXX? */
+/* void builtin_displaymethodstop(methodinfo *method); */
+void builtin_displaymethodexception(methodinfo *method);
/* NOT AN OP */
void builtin_monitorenter(java_objectheader *o);
s4 builtin_lcmp(s8 a, s8 b);
#define BUILTIN_lcmp (functionptr) builtin_lcmp
-float builtin_fadd(float a, float b); /* XXX? */
+float builtin_fadd(float a, float b);
/* NOT AN OP */
-float builtin_fsub(float a, float b); /* XXX? */
+float builtin_fsub(float a, float b);
/* NOT AN OP */
-float builtin_fmul(float a, float b); /* XXX? */
+float builtin_fmul(float a, float b);
/* NOT AN OP */
-float builtin_fdiv(float a, float b); /* XXX? */
+float builtin_fdiv(float a, float b);
/* NOT AN OP */
-float builtin_fneg(float a); /* XXX? */
+float builtin_fneg(float a);
/* NOT AN OP */
-s4 builtin_fcmpl(float a, float b); /* XXX? */
+s4 builtin_fcmpl(float a, float b);
/* NOT AN OP */
-s4 builtin_fcmpg(float a, float b); /* XXX? */
+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); /* XXX? */
+double builtin_dadd(double a, double b);
/* NOT AN OP */
-double builtin_dsub(double a, double b); /* XXX? */
+double builtin_dsub(double a, double b);
/* NOT AN OP */
-double builtin_dmul(double a, double b); /* XXX? */
+double builtin_dmul(double a, double b);
/* NOT AN OP */
-double builtin_ddiv(double a, double b); /* XXX? */
+double builtin_ddiv(double a, double b);
/* NOT AN OP */
-double builtin_dneg(double a); /* XXX? */
+double builtin_dneg(double a);
/* NOT AN OP */
-s4 builtin_dcmpl(double a, double b); /* XXX? */
+s4 builtin_dcmpl(double a, double b);
/* NOT AN OP */
-s4 builtin_dcmpg(double a, double b); /* XXX? */
+s4 builtin_dcmpg(double a, double b);
/* NOT AN OP */
double builtin_drem(double a, double b);
#define BUILTIN_drem (functionptr) builtin_drem
s8 asm_builtin_f2l(float a);
/* NOT AN OP */
-double builtin_f2d(float a); /* XXX? */
+double builtin_f2d(float a);
/* NOT AN OP */
s4 builtin_d2i(double a);
s8 asm_builtin_d2l(double a);
/* NOT AN OP */
-float builtin_d2f(double a); /* XXX? */
+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);
+
+static inline java_objectheader **builtin_get_exceptionptrptr()
+{
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+#ifdef HAVE___THREAD
+ return &_exceptionptr;
+#else
+ return &((nativethread*) pthread_getspecific(tkey_exceptionptr))->_exceptionptr;
+#endif
+#else
+ panic("builtin_get_exceptionptrptr should not be used in this configuration");
+ return NULL;
+#endif
+}
+
+static inline methodinfo **builtin_get_threadrootmethod()
+{
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+#ifdef HAVE___THREAD
+ return &_threadrootmethod;
+#else
+ return &((nativethread*) pthread_getspecific(tkey_threadrootmethod))->_threadrootmethod;
+#endif
+#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();
+
+/* adds an element to the stack frame info list (needed for unwinding across native functions) */
+native_stackframeinfo **builtin_asm_new_stackframeinfo();
+
+/* returns the current top element of the stack frame info list (needed for unwinding across native functions) */
+native_stackframeinfo *builtin_asm_get_stackframeinfo();
#endif /* _BUILTIN_H */
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