- Calling the class loader
- Running the main method
- $Id: main.c 1150 2004-06-06 13:29:25Z twisti $
+ $Id: main.c 1424 2004-10-30 11:15:23Z motse $
*/
#include <stdlib.h>
#include <string.h>
+#include "exceptions.h"
#include "main.h"
+#include "options.h"
#include "global.h"
#include "tables.h"
#include "loader.h"
#include "asmpart.h"
#include "builtin.h"
#include "native.h"
+#include "statistics.h"
#include "mm/boehm.h"
#include "threads/thread.h"
#include "toolbox/logging.h"
#include "typeinfo.h"
#endif
-/* command line option */
-bool verbose = false;
-bool compileall = false;
-bool runverbose = false; /* trace all method invocation */
-bool verboseexception = false;
-bool collectverbose = false;
-
-bool loadverbose = false;
-bool linkverbose = false;
-bool initverbose = false;
-
-bool opt_rt = false; /* true if RTA parse should be used RT-CO */
-bool opt_xta = false; /* true if XTA parse should be used XTA-CO */
-bool opt_vta = false; /* true if VTA parse should be used VTA-CO */
-
-bool opt_liberalutf = false; /* Don't check overlong UTF-8 sequences */
-
-bool showmethods = false;
-bool showconstantpool = false;
-bool showutf = false;
-
-bool compileverbose = false; /* trace compiler actions */
-bool showstack = false;
-bool showdisassemble = false; /* generate disassembler listing */
-bool showddatasegment = false; /* generate data segment listing */
-bool showintermediate = false; /* generate intermediate code listing */
-
-bool useinlining = false; /* use method inlining */
-bool inlinevirtuals = false; /* inline unique virtual methods */
-bool inlineexceptions = false; /* inline methods, that contain excptions */
-bool inlineparamopt = false; /* optimize parameter passing to inlined methods */
-bool inlineoutsiders = false; /* inline methods, that are not member of the invoker's class */
-
-bool checkbounds = true; /* check array bounds */
-bool checknull = true; /* check null pointers */
-bool opt_noieee = false; /* don't implement ieee compliant floats */
-bool checksync = true; /* do synchronization */
-bool opt_loops = false; /* optimize array accesses in loops */
-
-bool makeinitializations = true;
-
-bool getloadingtime = false; /* to measure the runtime */
-s8 loadingtime = 0;
-
-bool getcompilingtime = false; /* compute compile time */
-s8 compilingtime = 0; /* accumulated compile time */
-
-int has_ext_instr_set = 0; /* has instruction set extensions */
-
-bool opt_stat = false;
-
-bool opt_verify = true; /* true if classfiles should be verified */
-
-bool opt_eager = false;
+bool cacao_initializing;
+char *classpath; /* contains classpath */
char *mainstring;
static classinfo *mainclass;
struct {char *name; bool arg; int value;} opts[] = {
{"classpath", true, OPT_CLASSPATH},
+ {"cp", true, OPT_CLASSPATH},
{"D", true, OPT_D},
+ {"Xms", true, OPT_MS},
+ {"Xmx", true, OPT_MX},
{"ms", true, OPT_MS},
{"mx", true, OPT_MX},
{"noasyncgc", false, OPT_IGNORE},
{
printf("USAGE: cacao [options] classname [program arguments]\n");
printf("Options:\n");
+ printf(" -cp path ............. specify a path to look for classes\n");
printf(" -classpath path ...... specify a path to look for classes\n");
printf(" -Dpropertyname=value . add an entry to the property list\n");
- printf(" -mx maxmem[k|m] ...... specify the size for the heap\n");
- printf(" -ms initmem[k|m] ..... specify the initial size for the heap\n");
+ printf(" -Xmx maxmem[kK|mM] ... specify the size for the heap\n");
+ printf(" -Xms initmem[kK|mM] .. specify the initial size for the heap\n");
+ printf(" -mx maxmem[kK|mM] .... specify the size for the heap\n");
+ printf(" -ms initmem[kK|mM] ... specify the initial size for the heap\n");
printf(" -v ................... write state-information\n");
printf(" -verbose ............. write more information\n");
printf(" -verbosegc ........... write message for each GC\n");
printf(" s(ync) ....... don't check for synchronization\n");
printf(" -oloop ............... optimize array accesses in loops\n");
printf(" -l ................... don't start the class after loading\n");
- printf(" -eager perform eager class loading and linking\n");
+ printf(" -eager ............... perform eager class loading and linking\n");
printf(" -all ................. compile all methods, no execution\n");
printf(" -m ................... compile only a specific method\n");
printf(" -sig ................. specify signature for a specific method\n");
}
-/***************************** Function: print_times *********************
-
- Prints a summary of CPU time usage.
-
-**************************************************************************/
-
-static void print_times()
-{
- s8 totaltime = getcputime();
- s8 runtime = totaltime - loadingtime - compilingtime;
- char logtext[MAXLOGTEXT];
-
-#if defined(__I386__) || defined(__POWERPC__)
- sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
-#else
- sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
-#endif
- loadingtime / 1000000, (loadingtime % 1000000) / 1000);
- log_text(logtext);
-
-#if defined(__I386__) || defined(__POWERPC__)
- sprintf(logtext, "Time for compiling code: %lld secs, %lld millis",
-#else
- sprintf(logtext, "Time for compiling code: %ld secs, %ld millis",
-#endif
- compilingtime / 1000000, (compilingtime % 1000000) / 1000);
- log_text(logtext);
-
-#if defined(__I386__) || defined(__POWERPC__)
- sprintf(logtext, "Time for running program: %lld secs, %lld millis",
-#else
- sprintf(logtext, "Time for running program: %ld secs, %ld millis",
-#endif
- runtime / 1000000, (runtime % 1000000) / 1000);
- log_text(logtext);
-
-#if defined(__I386__) || defined(__POWERPC__)
- sprintf(logtext, "Total time: %lld secs, %lld millis",
-#else
- sprintf(logtext, "Total time: %ld secs, %ld millis",
-#endif
- totaltime / 1000000, (totaltime % 1000000) / 1000);
- log_text(logtext);
-}
-
-
-/***************************** Function: print_stats *********************
-
- outputs detailed compiler statistics
-
-**************************************************************************/
-
-static void print_stats()
-{
- char logtext[MAXLOGTEXT];
-
- sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
- log_text(logtext);
- sprintf(logtext, "Number of compiled Methods: %d", count_methods);
- log_text(logtext);
- sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
- log_text(logtext);
- sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
- log_text(logtext);
- sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
- log_text(logtext);
- sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
- log_text(logtext);
- sprintf(logtext, "Size of compiled JavaVM-Instructions: %d(%d)", count_javacodesize,
- count_javacodesize - count_methods * 18);
- log_text(logtext);
- sprintf(logtext, "Size of compiled Exception Tables: %d", count_javaexcsize);
- log_text(logtext);
- sprintf(logtext, "Value of extended instruction set var: %d", has_ext_instr_set);
- log_text(logtext);
- sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
- log_text(logtext);
- sprintf(logtext, "Number of Spills: %d", count_spills);
- log_text(logtext);
- sprintf(logtext, "Number of Activ Pseudocommands: %5d", count_pcmd_activ);
- log_text(logtext);
- sprintf(logtext, "Number of Drop Pseudocommands: %5d", count_pcmd_drop);
- log_text(logtext);
- sprintf(logtext, "Number of Const Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
- log_text(logtext);
- sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
- log_text(logtext);
- sprintf(logtext, "Number of Move Pseudocommands: %5d", count_pcmd_move);
- log_text(logtext);
- sprintf(logtext, "Number of Load Pseudocommands: %5d", count_load_instruction);
- log_text(logtext);
- sprintf(logtext, "Number of Store Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
- log_text(logtext);
- sprintf(logtext, "Number of OP Pseudocommands: %5d", count_pcmd_op);
- log_text(logtext);
- sprintf(logtext, "Number of DUP Pseudocommands: %5d", count_dup_instruction);
- log_text(logtext);
- sprintf(logtext, "Number of Mem Pseudocommands: %5d", count_pcmd_mem);
- log_text(logtext);
- sprintf(logtext, "Number of Method Pseudocommands: %5d", count_pcmd_met);
- log_text(logtext);
- sprintf(logtext, "Number of Branch Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
- count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
- log_text(logtext);
- sprintf(logtext, "Number of Table Pseudocommands: %5d", count_pcmd_table);
- log_text(logtext);
- sprintf(logtext, "Number of Useful Pseudocommands: %5d", count_pcmd_table +
- count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
- log_text(logtext);
- sprintf(logtext, "Number of Null Pointer Checks: %5d", count_check_null);
- log_text(logtext);
- sprintf(logtext, "Number of Array Bound Checks: %5d", count_check_bound);
- log_text(logtext);
- sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
- log_text(logtext);
- sprintf(logtext, "Maximal count of stack elements: %d", count_max_new_stack);
- log_text(logtext);
- sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
- log_text(logtext);
- sprintf(logtext, "Distribution of stack sizes at block boundary");
- log_text(logtext);
- sprintf(logtext, " 0 1 2 3 4 5 6 7 8 9 >=10");
- log_text(logtext);
- sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
- count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
- count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
- count_block_stack[9], count_block_stack[10]);
- log_text(logtext);
- sprintf(logtext, "Distribution of store stack depth");
- log_text(logtext);
- sprintf(logtext, " 0 1 2 3 4 5 6 7 8 9 >=10");
- log_text(logtext);
- sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
- count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
- count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
- count_store_depth[9], count_store_depth[10]);
- log_text(logtext);
- sprintf(logtext, "Distribution of store creator chains first part");
- log_text(logtext);
- sprintf(logtext, " 0 1 2 3 4 5 6 7 8 9 ");
- log_text(logtext);
- sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
- count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
- count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
- count_store_length[9]);
- log_text(logtext);
- sprintf(logtext, "Distribution of store creator chains second part");
- log_text(logtext);
- sprintf(logtext, " 10 11 12 13 14 15 16 17 18 19 >=20");
- log_text(logtext);
- sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
- count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
- count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
- count_store_length[19], count_store_length[20]);
- log_text(logtext);
- sprintf(logtext, "Distribution of analysis iterations");
- log_text(logtext);
- sprintf(logtext, " 1 2 3 4 >=5");
- log_text(logtext);
- sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
- count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
- log_text(logtext);
- sprintf(logtext, "Distribution of basic blocks per method");
- log_text(logtext);
- sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75 >75");
- log_text(logtext);
- sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
- count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
- count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
- count_method_bb_distribution[7], count_method_bb_distribution[8]);
- log_text(logtext);
- sprintf(logtext, "Distribution of basic block sizes");
- log_text(logtext);
- sprintf(logtext,
- " 0 1 2 3 4 5 6 7 8 9 <13 <15 <17 <19 <21 <26 <31 >30");
- log_text(logtext);
- sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
- count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
- count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
- count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
- count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
- count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
- count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
- log_text(logtext);
- sprintf(logtext, "Size of Code Area (Kb): %10.3f", (float) count_code_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of data Area (Kb): %10.3f", (float) count_data_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of Vftbl (Kb): %10.3f", (float) count_vftbl_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of comp stub (Kb): %10.3f", (float) count_cstub_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of Utf (Kb): %10.3f", (float) count_utf_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Size of VMCode (Kb): %10.3f(%d)", (float) count_vmcode_len / 1024,
- count_vmcode_len - 18 * count_all_methods);
- log_text(logtext);
- sprintf(logtext, "Size of ExTable (Kb): %10.3f", (float) count_extable_len / 1024);
- log_text(logtext);
- sprintf(logtext, "Number of class loads: %d", count_class_loads);
- log_text(logtext);
- sprintf(logtext, "Number of class inits: %d", count_class_inits);
- log_text(logtext);
- sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
- log_text(logtext);
-
- sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
- log_text(logtext);
- sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
- log_text(logtext);
-}
-
-
#ifdef TYPECHECK_STATISTICS
void typecheck_print_statistics(FILE *file);
#endif
/************************ Free all resources *******************/
- /*heap_close();*/ /* must be called before compiler_close and
- loader_close because finalization occurs
- here */
-
loader_close();
- tables_close(literalstring_free);
+ tables_close();
+
+ MFREE(classpath, u1, strlen(classpath));
if (verbose || getcompilingtime || opt_stat) {
log_text("CACAO terminated");
u4 heapmaxsize = 64 * 1024 * 1024;
u4 heapstartsize = 200 * 1024;
char *cp;
- char classpath[500] = ".";
bool startit = true;
char *specificmethodname = NULL;
char *specificsignature = NULL;
stackbottom = &dummy;
#endif
- if (0 != atexit(exit_handler))
+ if (atexit(exit_handler))
throw_cacao_exception_exit(string_java_lang_InternalError,
- "unable to register exit_handler");
+ "Unable to register exit_handler");
/************ Collect info from the environment ************************/
+ /* set an initial, minimal classpath */
+ classpath = MNEW(char, 2);
+ strcpy(classpath, ".");
+
+ /* get classpath environment */
cp = getenv("CLASSPATH");
if (cp) {
- strcpy(classpath, cp);
+ classpath = MREALLOC(classpath,
+ char,
+ strlen(classpath),
+ strlen(classpath) + 1 + strlen(cp) + 1);
+ strcat(classpath, ":");
+ strcat(classpath, cp);
}
/***************** Interpret the command line *****************/
switch (i) {
case OPT_IGNORE: break;
- case OPT_CLASSPATH:
- strcpy(classpath + strlen(classpath), ":");
- strcpy(classpath + strlen(classpath), opt_arg);
+ case OPT_CLASSPATH:
+ /* forget old classpath and set the argument as new classpath */
+ MFREE(classpath, char, strlen(classpath));
+
+ classpath = MNEW(char, strlen(opt_arg) + 1);
+ strcpy(classpath, opt_arg);
break;
case OPT_D:
case OPT_MS:
case OPT_MX:
- if (opt_arg[strlen(opt_arg) - 1] == 'k') {
- j = 1024 * atoi(opt_arg);
+ {
+ char c;
+ c = opt_arg[strlen(opt_arg) - 1];
+
+ if (c == 'k' || c == 'K') {
+ j = 1024 * atoi(opt_arg);
- } else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
- j = 1024 * 1024 * atoi(opt_arg);
+ } else if (c == 'm' || c == 'M') {
+ j = 1024 * 1024 * atoi(opt_arg);
- } else j = atoi(opt_arg);
+ } else j = atoi(opt_arg);
- if (i == OPT_MX) heapmaxsize = j;
- else heapstartsize = j;
+ if (i == OPT_MX) heapmaxsize = j;
+ else heapstartsize = j;
+ }
break;
case OPT_VERBOSE1:
case OPT_METHOD:
startit = false;
- specificmethodname = opt_arg;
+ specificmethodname = opt_arg;
makeinitializations = false;
break;
case OPT_SIGNATURE:
- specificsignature = opt_arg;
+ specificsignature = opt_arg;
break;
case OPT_ALL:
- compileall = true;
+ compileall = true;
startit = false;
makeinitializations = false;
break;
switch (opt_arg[j]) {
case 'a':
showdisassemble = true;
- compileverbose=true;
+ compileverbose = true;
break;
case 'c':
showconstantpool = true;
exit(10);
}
}
-
-
+
if (opt_ind >= argc) {
print_usage();
exit(10);
/* initialize the garbage collector */
gc_init(heapmaxsize, heapstartsize);
- native_setclasspath(classpath);
-
tables_init();
suck_init(classpath);
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ cacao_initializing = true;
+
+#if defined(USE_THREADS)
+#if defined(NATIVE_THREADS)
initThreadsEarly();
#endif
+ initLocks();
+#endif
- loader_init((u1 *) &dummy);
+ /* install architecture dependent signal handler used for exceptions */
+ init_exceptions();
- native_loadclasses();
+ /* initializes jit compiler and codegen stuff */
+ jit_init();
+
+ loader_init((u1 *) &dummy);
jit_init();
+ /* initialize exceptions used in the system */
+ init_system_exceptions();
+
+ native_loadclasses();
+
#if defined(USE_THREADS)
- initThreads((u1*) &dummy);
+ initThreads((u1 *) &dummy);
#endif
+ *threadrootmethod = NULL;
+
+ /*That's important, otherwise we get into trouble, if the Runtime static
+ initializer is called before (circular dependency. This is with
+ classpath 0.09. Another important thing is, that this has to happen
+ after initThreads!!! */
+
+ if (!class_init(class_new(utf_new_char("java/lang/System"))))
+ throw_main_exception_exit();
+
+
+
+ jni_init();
+ cacao_initializing = false;
/************************* Start worker routines ********************/
mainclass = class_new(utf_new_char(mainstring));
if (!class_load(mainclass))
- throw_exception_exit();
+ throw_main_exception_exit();
if (!class_link(mainclass))
- throw_exception_exit();
+ throw_main_exception_exit();
mainmethod = class_resolveclassmethod(mainclass,
utf_new_char("main"),
*exceptionptr =
new_exception_message(string_java_lang_NoSuchMethodError,
"main");
- throw_exception_exit();
+ throw_main_exception_exit();
}
a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
*threadrootmethod = mainmethod;
+
/* here we go... */
asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
/* exception occurred? */
if (*exceptionptr)
- throw_exception_exit();
+ throw_main_exception();
#if defined(USE_THREADS)
#if defined(NATIVE_THREADS)
while (c) {
if (!c->loaded)
- class_load(c);
+ if (!class_load(c))
+ throw_main_exception_exit();
if (!c->linked)
- class_link(c);
+ if (!class_link(c))
+ throw_main_exception_exit();
/* compile all class methods */
for (i = 0; i < c->methodscount; i++) {
/* create, load and link the main class */
mainclass = class_new(utf_new_char(mainstring));
- class_load(mainclass);
-
- if (*exceptionptr)
- throw_exception_exit();
- class_link(mainclass);
+ if (!class_load(mainclass))
+ throw_main_exception_exit();
- if (*exceptionptr)
- throw_exception_exit();
+ if (!class_link(mainclass))
+ throw_main_exception_exit();
if (specificsignature) {
m = class_resolveclassmethod(mainclass,
if (!m) {
char message[MAXLOGTEXT];
sprintf(message, "%s%s", specificmethodname,
- specificmethodname ? specificmethodname : "");
+ specificsignature ? specificsignature : "");
*exceptionptr =
new_exception_message(string_java_lang_NoSuchMethodException,
message);
- throw_exception_exit();
+ throw_main_exception_exit();
}
jit_compile(m);
c = class_new(utf_new_char("java/lang/Runtime"));
if (!class_load(c))
- throw_exception_exit();
+ throw_main_exception_exit();
if (!class_link(c))
- throw_exception_exit();
+ throw_main_exception_exit();
/* first call Runtime.getRuntime()Ljava.lang.Runtime; */
true);
if (!m)
- throw_exception_exit();
+ throw_main_exception_exit();
rt = (java_lang_Runtime *) asm_calljavafunction(m,
(void *) 0,
/* exception occurred? */
if (*exceptionptr)
- throw_exception_exit();
+ throw_main_exception_exit();
/* then call Runtime.exit(I)V */
true);
if (!m)
- throw_exception_exit();
+ throw_main_exception_exit();
asm_calljavafunction(m, rt, (void *) 0, NULL, NULL);
void cacao_shutdown(s4 status)
{
- /**** RTAprint ***/
-
if (verbose || getcompilingtime || opt_stat) {
log_text("CACAO terminated by shutdown");
- if (opt_stat)
- print_stats();
- if (getcompilingtime)
- print_times();
- mem_usagelog(0);
- dolog("Exit status: %d\n", (int) status);
+ dolog("Exit status: %d\n", (s4) status);
}
exit(status);