atomic functions in asmpart.S because of MIPSPro compiler
[cacao.git] / src / vm / builtin.c
index 3b6aba9ae4214daef8c8c15768013c0f262deef0..6f99656c38b292b4c066fa086a096c729383bf79 100644 (file)
@@ -34,7 +34,7 @@
    calls instead of machine instructions, using the C calling
    convention.
 
-   $Id: builtin.c 1022 2004-04-21 18:30:53Z stefan $
+   $Id: builtin.c 1113 2004-06-02 10:31:09Z twisti $
 
 */
 
@@ -52,7 +52,7 @@
 #include "mm/boehm.h"
 #include "threads/thread.h"
 #include "threads/locks.h"
-#include "toolbox/loging.h"
+#include "toolbox/logging.h"
 #include "toolbox/memory.h"
 #include "nat/java_lang_Cloneable.h"
 #include "nat/java_lang_VMObject.h"
@@ -80,6 +80,7 @@ THREADSPECIFIC void *_thread_nativestackframeinfo=NULL;
 s4 builtin_isanysubclass(classinfo *sub, classinfo *super)
 { 
        s4 res;
+       castinfo classvalues;
 
        /*classinfo *tmp;*/
        if (super->flags & ACC_INTERFACE)
@@ -114,40 +115,29 @@ s4 builtin_isanysubclass(classinfo *sub, classinfo *super)
                        sub->vftbl->baseval, super->vftbl->baseval, (unsigned)(sub->vftbl->baseval - super->vftbl->baseval),
                        super->vftbl->diffval); */
 
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_lock();
-#endif
-
-       res = (unsigned) (sub->vftbl->baseval - super->vftbl->baseval) <=
-               (unsigned) (super->vftbl->diffval);
+       asm_getclassvalues_atomic(super->vftbl, sub->vftbl, &classvalues);
 
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_unlock();
-#endif
+       res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval) <=
+               (unsigned) classvalues.super_diffval;
 
        return res;
 }
 
 s4 builtin_isanysubclass_vftbl(vftbl *sub,vftbl *super)
 {
-       int base;
        s4 res;
+       int base;
+       castinfo classvalues;
        
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_lock();
-#endif
+       asm_getclassvalues_atomic(super, sub, &classvalues);
 
-       if ((base = super->baseval) <= 0)
+       if ((base = classvalues.super_baseval) <= 0)
                /* super is an interface */
                res = (sub->interfacetablelength > -base) &&
                        (sub->interfacetable[base] != NULL);
        else
-           res = (unsigned) (sub->baseval - base)
-                       <= (unsigned) (super->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_unlock();
-#endif
+           res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+                       <= (unsigned) classvalues.super_diffval;
 
        return res;
 }
@@ -278,14 +268,17 @@ java_objectheader *builtin_throw_exception(java_objectheader *local_exceptionptr
                char logtext[MAXLOGTEXT];
                sprintf(logtext, "Builtin exception thrown: ");
                if (local_exceptionptr) {
-                       utf_sprint(logtext + strlen(logtext), local_exceptionptr->vftbl->class->name);
+                       utf_sprint_classname(logtext + strlen(logtext),
+                                                                local_exceptionptr->vftbl->class->name);
 
                } else {
                        sprintf(logtext + strlen(logtext), "Error: <Nullpointer instead of exception>");
                }
                log_text(logtext);
        }
+
        *exceptionptr = local_exceptionptr;
+
        return local_exceptionptr;
 }
 
@@ -307,6 +300,7 @@ s4 builtin_canstore (java_objectarray *a, java_objectheader *o)
        vftbl *valuevftbl;
     int dim_m1;
        int base;
+       castinfo classvalues;
        
        if (!o) return 1;
 
@@ -330,21 +324,15 @@ s4 builtin_canstore (java_objectarray *a, java_objectheader *o)
                if (valuevftbl == componentvftbl)
                        return 1;
 
-               if ((base = componentvftbl->baseval) <= 0)
+               asm_getclassvalues_atomic(componentvftbl, valuevftbl, &classvalues);
+
+               if ((base = classvalues.super_baseval) <= 0)
                        /* an array of interface references */
                        return (valuevftbl->interfacetablelength > -base &&
                                        valuevftbl->interfacetable[base] != NULL);
                
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-               cast_lock();
-#endif
-
-               res = (unsigned)(valuevftbl->baseval - base)
-                       <= (unsigned)(componentvftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-               cast_unlock();
-#endif
+               res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+                       <= (unsigned) classvalues.super_diffval;
 
                return res;
     }
@@ -366,8 +354,9 @@ s4 builtin_canstore_onedim (java_objectarray *a, java_objectheader *o)
        arraydescriptor *desc;
        vftbl *elementvftbl;
        vftbl *valuevftbl;
-       int base;
        s4 res;
+       int base;
+       castinfo classvalues;
        
        if (!o) return 1;
 
@@ -388,21 +377,15 @@ s4 builtin_canstore_onedim (java_objectarray *a, java_objectheader *o)
        if (valuevftbl == elementvftbl)
                return 1;
 
-       if ((base = elementvftbl->baseval) <= 0)
+       asm_getclassvalues_atomic(elementvftbl, valuevftbl, &classvalues);
+
+       if ((base = classvalues.super_baseval) <= 0)
                /* an array of interface references */
                return (valuevftbl->interfacetablelength > -base &&
                                valuevftbl->interfacetable[base] != NULL);
-       
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_lock();
-#endif
 
-       res = (unsigned)(valuevftbl->baseval - base)
-               <= (unsigned)(elementvftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_unlock();
-#endif
+       res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+               <= (unsigned) classvalues.super_diffval;
 
        return res;
 }
@@ -415,6 +398,7 @@ s4 builtin_canstore_onedim_class(java_objectarray *a, java_objectheader *o)
        vftbl *elementvftbl;
        vftbl *valuevftbl;
        s4 res;
+       castinfo classvalues;
        
        if (!o) return 1;
 
@@ -435,16 +419,10 @@ s4 builtin_canstore_onedim_class(java_objectarray *a, java_objectheader *o)
        if (valuevftbl == elementvftbl)
                return 1;
 
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_lock();
-#endif
+       asm_getclassvalues_atomic(elementvftbl, valuevftbl, &classvalues);
 
-       res = (unsigned)(valuevftbl->baseval - elementvftbl->baseval)
-               <= (unsigned)(elementvftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       cast_unlock();
-#endif
+       res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+               <= (unsigned) classvalues.super_diffval;
 
        return res;
 }
@@ -464,20 +442,23 @@ s4 builtin_canstore_onedim_class(java_objectarray *a, java_objectheader *o)
 java_objectheader *builtin_new(classinfo *c)
 {
        java_objectheader *o;
-/*DEBUGING - NOT THREAD SAFE*/
-/*     static long depth=0;
-       depth++;
-       printf("Entering builtin_new:depth(%ld)",depth);*/
+
+       /* is the class loaded */
+       if (!c->loaded)
+               if (!class_load(c))
+                       return NULL;
+
+       /* is the class linked */
+       if (!c->linked)
+               if (!class_link(c))
+                       return NULL;
 
        if (!c->initialized) {
-               if (initverbose) {
-                       char logtext[MAXLOGTEXT];
-                       sprintf(logtext, "Initialize class ");
-                       utf_sprint(logtext + strlen(logtext), c->name);
-                       sprintf(logtext + strlen(logtext), " (from builtin_new)");
-                       log_text(logtext);
-               }
-               class_init(c);
+               if (initverbose)
+                       log_message_class("Initialize class (from builtin_new): ", c);
+
+               if (!class_init(c))
+                       return NULL;
        }
 
 #ifdef SIZE_FROM_CLASSINFO
@@ -486,23 +467,18 @@ java_objectheader *builtin_new(classinfo *c)
 #else
        o = heap_allocate(c->instancesize, true, c->finalizer);
 #endif
-       if (!o) {
-               /*DEBUGING - NOT THREAD SAFE*/
-               /*printf("Leaving builtin_new: depth(%ld): NULL",depth);
-               depth--;*/
+
+       if (!o)
                return NULL;
-       }
        
        memset(o, 0, c->instancesize);
 
        o->vftbl = c->vftbl;
 
-       /*DEBUGING - NOT THREAD SAFE*/
-       /* printf("Leaving builtin_new: depth(%ld): object",depth);
-       depth--;*/
        return o;
 }
 
+
 /********************** Function: builtin_newarray **************************
 
        Creates an array with the given vftbl on the heap.
@@ -517,13 +493,18 @@ java_objectheader *builtin_new(classinfo *c)
 java_arrayheader *builtin_newarray(s4 size, vftbl *arrayvftbl)
 {
        java_arrayheader *a;
-       arraydescriptor *desc = arrayvftbl->arraydesc;
-       s4 dataoffset = desc->dataoffset;
-       s4 componentsize = desc->componentsize;
+       arraydescriptor *desc;
+       s4 dataoffset;
+       s4 componentsize;
        s4 actualsize;
 
+       desc = arrayvftbl->arraydesc;
+       dataoffset = desc->dataoffset;
+       componentsize = desc->componentsize;
+
        if (size < 0) {
-               *exceptionptr = new_exception(string_java_lang_NegativeArraySizeException);
+               *exceptionptr =
+                       new_exception(string_java_lang_NegativeArraySizeException);
                return NULL;
        }
 
@@ -546,8 +527,6 @@ java_arrayheader *builtin_newarray(s4 size, vftbl *arrayvftbl)
 
        memset(a, 0, actualsize);
 
-       /*printf("builtin_newarray: Created an array of size : %d\n",size);*/
-
        a->objheader.vftbl = arrayvftbl;
        a->size = size;
 #ifdef SIZE_FROM_CLASSINFO
@@ -562,7 +541,7 @@ java_arrayheader *builtin_newarray(s4 size, vftbl *arrayvftbl)
 
        Creates an array of references to the given class type on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+       Return value: pointer to the array or NULL if no memory is available
 
     XXX This function does not do The Right Thing, because it uses a
     classinfo pointer at runtime. builtin_newarray should be used
@@ -572,13 +551,17 @@ java_arrayheader *builtin_newarray(s4 size, vftbl *arrayvftbl)
 
 java_objectarray *builtin_anewarray(s4 size, classinfo *component)
 {
-/*
-       printf("builtin_anewarray: classvftbl: %d\n",component->classvftbl);
-       printf("builtin_anewarray: baseval: %d\n",component->vftbl->baseval);
-       utf_display(component->vftbl->class->name);
-       printf("\nbuiltin_anewarray: linked: %d\n",component->linked);
-       utf_display(component->super->name);*/
-       return (java_objectarray*) builtin_newarray(size, class_array_of(component)->vftbl);
+       /* is class loaded */
+       if (!component->loaded)
+               if (!class_load(component))
+                       return NULL;
+
+       /* is class linked */
+       if (!component->linked)
+               if (!class_link(component))
+                       return NULL;
+
+       return (java_objectarray *) builtin_newarray(size, class_array_of(component)->vftbl);
 }
 
 
@@ -709,24 +692,33 @@ java_booleanarray *builtin_newarray_boolean(s4 size)
 
 ******************************************************************************/
 
-       /* Helper functions */
-
-java_arrayheader *builtin_nmultianewarray (int n, vftbl *arrayvftbl, long *dims)
+java_arrayheader *builtin_nmultianewarray(int n, vftbl *arrayvftbl, long *dims)
+/*  java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims) */
 {
-       int size, i;
+       s4 size, i;
        java_arrayheader *a;
        vftbl *componentvftbl;
 
+/*     utf_display(arrayclass->name); */
+
+/*     class_load(arrayclass); */
+/*     class_link(arrayclass); */
+       
        /* create this dimension */
-       size = (int) dims[0];
-       a = builtin_newarray(size,arrayvftbl);
-       if (!a) return NULL;
+       size = (s4) dims[0];
+       a = builtin_newarray(size, arrayvftbl);
+/*     a = builtin_newarray(size, arrayclass->vftbl); */
+
+       if (!a)
+               return NULL;
 
        /* if this is the last dimension return */
-       if (!--n) return a;
+       if (!--n)
+               return a;
 
        /* get the vftbl of the components to create */
        componentvftbl = arrayvftbl->arraydesc->componentvftbl;
+/*     component = arrayclass->vftbl->arraydesc; */
 
        /* The verifier guarantees this. */
        /* if (!componentvftbl) */
@@ -735,9 +727,12 @@ java_arrayheader *builtin_nmultianewarray (int n, vftbl *arrayvftbl, long *dims)
        /* create the component arrays */
        for (i = 0; i < size; i++) {
                java_arrayheader *ea = 
-                       builtin_nmultianewarray(n,componentvftbl,dims+1);
-               if (!ea) return NULL;
-               ((java_objectarray*)a)->data[i] = (java_objectheader *) ea;
+                       builtin_nmultianewarray(n, componentvftbl, dims + 1);
+
+               if (!ea)
+                       return NULL;
+               
+               ((java_objectarray *) a)->data[i] = (java_objectheader *) ea;
        }
 
        return a;
@@ -769,7 +764,7 @@ java_objectheader *builtin_trace_exception(java_objectheader *_exceptionptr,
        if (verbose || runverbose || verboseexception) {
                if (_exceptionptr) {
                        printf("Exception ");
-                       utf_display(_exceptionptr->vftbl->class->name);
+                       utf_display_classname(_exceptionptr->vftbl->class->name);
 
                } else {
                        printf("Some Throwable");
@@ -818,10 +813,10 @@ void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5,
                logtext[i] = '\t';
 
        sprintf(logtext + methodindent, "called: ");
-       utf_sprint(logtext + strlen(logtext), method->class->name);
+       utf_sprint_classname(logtext + strlen(logtext), method->class->name);
        sprintf(logtext + strlen(logtext), ".");
        utf_sprint(logtext + strlen(logtext), method->name);
-       utf_sprint(logtext + strlen(logtext), method->descriptor);
+       utf_sprint_classname(logtext + strlen(logtext), method->descriptor);
 
        if ( method->flags & ACC_PUBLIC )       sprintf (logtext + strlen(logtext)," PUBLIC");
        if ( method->flags & ACC_PRIVATE )      sprintf (logtext + strlen(logtext)," PRIVATE");
@@ -990,10 +985,10 @@ void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f)
                log_text("WARNING: unmatched methodindent--");
 
        sprintf(logtext + methodindent, "finished: ");
-       utf_sprint(logtext + strlen(logtext), method->class->name);
+       utf_sprint_classname(logtext + strlen(logtext), method->class->name);
        sprintf(logtext + strlen(logtext), ".");
        utf_sprint(logtext + strlen(logtext), method->name);
-       utf_sprint(logtext + strlen(logtext), method->descriptor);
+       utf_sprint_classname(logtext + strlen(logtext), method->descriptor);
 
        switch (method->returntype) {
        case TYPE_INT:
@@ -1028,21 +1023,6 @@ void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f)
 }
 
 
-void builtin_displaymethodexception(methodinfo *method)
-{
-       int i;
-       char logtext[MAXLOGTEXT];
-       for (i = 0; i < methodindent; i++)
-               logtext[i] = '\t';
-       sprintf(logtext + methodindent, "exception abort: ");
-       utf_sprint(logtext + strlen(logtext), method->class->name);
-       sprintf(logtext + strlen(logtext), ".");
-       utf_sprint(logtext + strlen(logtext), method->name);
-       utf_sprint(logtext + strlen(logtext), method->descriptor);
-       log_text(logtext);
-}
-
-
 /****************************************************************************
                         SYNCHRONIZATION FUNCTIONS
 *****************************************************************************/
@@ -1798,7 +1778,19 @@ s4 builtin_dummy()
 }
 
 
-inline methodinfo *builtin_asm_get_threadrootmethod()
+/* builtin_asm_get_exceptionptrptr *********************************************
+
+   this is a wrapper for calls from asmpart
+
+*******************************************************************************/
+
+java_objectheader **builtin_asm_get_exceptionptrptr()
+{
+       return builtin_get_exceptionptrptr();
+}
+
+
+methodinfo *builtin_asm_get_threadrootmethod()
 {
        return *threadrootmethod;
 }
@@ -1810,7 +1802,9 @@ inline void* builtin_asm_get_stackframeinfo()
 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
        return &THREADINFO->_stackframeinfo;
 #else
+#if defined(__GNUC__)
 #warning FIXME FOR OLD THREAD IMPL (jowenn)
+#endif
                return &_thread_nativestackframeinfo; /* no threading, at least no native*/
 #endif
 }
@@ -1820,10 +1814,13 @@ stacktraceelement *builtin_stacktrace_copy(stacktraceelement **el,stacktraceelem
        size_t s;
        s=(end-begin);
        /*printf ("begin: %p, end: %p, diff: %ld, size :%ld\n",begin,end,s,s*sizeof(stacktraceelement));*/
-       *el=GCNEW(stacktraceelement,s+1);
+       *el=MNEW(stacktraceelement,s+1); /*GC*/
        memcpy(*el,begin,(end-begin)*sizeof(stacktraceelement));
        (*el)[s].method=0;
-       (*el)[s].linenumber=0;
+#if defined(__GNUC__)
+#warning change this if line numbers bigger than u2 are allowed, the currently supported class file format does no allow that
+#endif
+       (*el)[s].linenumber=-1; /* -1 can never be reched otherwise, since line numbers are only u2, so it is save to use that as flag */
        return *el;
 }