-/* -*- mode: c; tab-width: 4; c-basic-offset: 4 -*- */
-/****************************** tables.c ***************************************
+/* tables.c -
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
+ M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
+ P. Tomsich, J. Wenninger
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Contains support functions for:
- - Reading of Java class files
- - Unicode symbols
- - the heap
- - additional support functions
+ 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
- Changes: Mark Probst EMAIL: cacao@complang.tuwien.ac.at
- Andreas Krall EMAIL: cacao@complang.tuwien.ac.at
-
- Last Change: 1998/03/24
+ 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.
+
+ 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
+
+ Changes: Mark Probst
+ Andreas Krall
+
+ Contains support functions for:
+ - Reading of Java class files
+ - Unicode symbols
+ - the heap
+ - additional support functions
+
+ $Id: tables.c 557 2003-11-02 22:51:59Z twisti $
+
+*/
-*******************************************************************************/
#include <assert.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <unistd.h>
+#include "types.h"
#include "global.h"
#include "tables.h"
#include "asmpart.h"
-#include "callargs.h"
-
-#include "threads/thread.h" /* schani */
+#include "threads/thread.h"
#include "threads/locks.h"
+#include "toolbox/loging.h"
+#include "toolbox/memory.h"
+
bool runverbose = false;
hash->entries = 0;
hash->size = size;
- hash->ptr = MNEW (void*, size);
+ hash->ptr = MNEW(void*, size);
/* clear table */
- for (i=0; i<size; i++) hash->ptr[i] = NULL;
+ for (i = 0; i < size; i++) hash->ptr[i] = NULL;
}
/*********************** function: tables_init *****************************
/* dispose utf symbols */
for (i=0; i<utf_hash.size; i++) {
- u = utf_hash.ptr[i];
+ u = utf_hash.ptr[i];
while (u) {
/* process elements in external hash chain */
utf *nextu = u->hashlink;
MFREE (u->text, u1, u->blength);
FREE (u, utf);
u = nextu;
- }
- }
+ }
+ }
/* dispose javastrings */
for (i=0; i<string_hash.size; i++) {
del(s->string);
FREE(s, literalstring);
s = nexts;
- }
- }
+ }
+ }
/* dispose hashtable structures */
MFREE (utf_hash.ptr, void*, utf_hash.size);
/* read next unicode character */
u2 c = utf_nextu2(&utf_ptr);
if (c>=32 && c<=127) printf ("%c",c);
- else printf ("?");
+ else printf ("?");
}
fflush (stdout);
u2 c = utf_nextu2(&utf_ptr);
if (c>=32 && c<=127) fprintf (file,"%c",c);
- else fprintf (file,"?");
- }
+ else fprintf (file,"?");
+ }
}
case 8: return fbs(0) ^ nbs(1) ^ nbs(2) ^ nbs(3) ^ nbs(4) ^ nbs(5) ^ nbs(6) ^ nbs(7);
case 9: a = fbs(0) ^ nbs(1) ^ nbs(2);
- text++;
- return a ^ nbs(4) ^ nbs(5) ^ nbs(6) ^ nbs(7) ^ nbs(8);
+ text++;
+ return a ^ nbs(4) ^ nbs(5) ^ nbs(6) ^ nbs(7) ^ nbs(8);
case 10: a = fbs(0);
- text++;
- a^= nbs(2) ^ nbs(3) ^ nbs(4);
- text++;
- return a ^ nbs(6) ^ nbs(7) ^ nbs(8) ^ nbs(9);
+ text++;
+ a^= nbs(2) ^ nbs(3) ^ nbs(4);
+ text++;
+ return a ^ nbs(6) ^ nbs(7) ^ nbs(8) ^ nbs(9);
case 11: a = fbs(0);
- text++;
- a^= nbs(2) ^ nbs(3) ^ nbs(4);
- text++;
- return a ^ nbs(6) ^ nbs(7) ^ nbs(8) ^ nbs(9) ^ nbs(10);
+ text++;
+ a^= nbs(2) ^ nbs(3) ^ nbs(4);
+ text++;
+ return a ^ nbs(6) ^ nbs(7) ^ nbs(8) ^ nbs(9) ^ nbs(10);
case 12: a = fbs(0);
- text+=2;
- a^= nbs(2) ^ nbs(3);
- text+=1;
- a^= nbs(5) ^ nbs(6) ^ nbs(7);
- text+=1;
- return a ^ nbs(9) ^ nbs(10);
+ text+=2;
+ a^= nbs(2) ^ nbs(3);
+ text+=1;
+ a^= nbs(5) ^ nbs(6) ^ nbs(7);
+ text+=1;
+ return a ^ nbs(9) ^ nbs(10);
case 13: a = fbs(0) ^ nbs(1);
- text+=1;
- a^= nbs(3) ^ nbs(4);
- text+=2;
- a^= nbs(7) ^ nbs(8);
- text+=2;
- return a ^ nbs(9) ^ nbs(10);
+ text+=1;
+ a^= nbs(3) ^ nbs(4);
+ text+=2;
+ a^= nbs(7) ^ nbs(8);
+ text+=2;
+ return a ^ nbs(9) ^ nbs(10);
case 14: a = fbs(0);
- text+=2;
- a^= nbs(3) ^ nbs(4);
- text+=2;
- a^= nbs(7) ^ nbs(8);
- text+=2;
- return a ^ nbs(9) ^ nbs(10) ^ nbs(11);
+ text+=2;
+ a^= nbs(3) ^ nbs(4);
+ text+=2;
+ a^= nbs(7) ^ nbs(8);
+ text+=2;
+ return a ^ nbs(9) ^ nbs(10) ^ nbs(11);
case 15: a = fbs(0);
- text+=2;
- a^= nbs(3) ^ nbs(4);
- text+=2;
- a^= nbs(7) ^ nbs(8);
- text+=2;
- return a ^ nbs(9) ^ nbs(10) ^ nbs(11);
+ text+=2;
+ a^= nbs(3) ^ nbs(4);
+ text+=2;
+ a^= nbs(7) ^ nbs(8);
+ text+=2;
+ return a ^ nbs(9) ^ nbs(10) ^ nbs(11);
default: /* 3 characters from beginning */
- a = fbs(0);
- text+=2;
- a^= nbs(3) ^ nbs(4);
+ a = fbs(0);
+ text+=2;
+ a^= nbs(3) ^ nbs(4);
- /* 2 characters from middle */
- text = start_pos + (length / 2);
- a^= fbs(5);
- text+=2;
- a^= nbs(6);
+ /* 2 characters from middle */
+ text = start_pos + (length / 2);
+ a^= fbs(5);
+ text+=2;
+ a^= nbs(6);
- /* 3 characters from end */
- text = start_pos + length - 4;
+ /* 3 characters from end */
+ text = start_pos + length - 4;
- a^= fbs(7);
- text+=1;
+ a^= fbs(7);
+ text+=1;
- return a ^ nbs(10) ^ nbs(11);
+ return a ^ nbs(10) ^ nbs(11);
}
}
/* symbol found in hashtable */
return u;
}
- nomatch:
+ nomatch:
u = u->hashlink; /* next element in external chain */
}
/* reorganization of hashtable, average length of
the external chains is approx. 2 */
- u4 i;
- utf *u;
- hashtable newhash; /* the new hashtable */
+ u4 i;
+ utf *u;
+ hashtable newhash; /* the new hashtable */
- /* create new hashtable, double the size */
- init_hashtable(&newhash, utf_hash.size*2);
- newhash.entries=utf_hash.entries;
+ /* create new hashtable, double the size */
+ init_hashtable(&newhash, utf_hash.size*2);
+ newhash.entries=utf_hash.entries;
#ifdef STATISTICS
- count_utf_len += sizeof(utf*) * utf_hash.size;
+ count_utf_len += sizeof(utf*) * utf_hash.size;
#endif
- /* transfer elements to new hashtable */
- for (i=0; i<utf_hash.size; i++) {
- u = (utf*) utf_hash.ptr[i];
- while (u) {
- utf *nextu = u -> hashlink;
- u4 slot = (utf_hashkey(u->text,u->blength)) & (newhash.size-1);
+ /* transfer elements to new hashtable */
+ for (i=0; i<utf_hash.size; i++) {
+ u = (utf*) utf_hash.ptr[i];
+ while (u) {
+ utf *nextu = u -> hashlink;
+ u4 slot = (utf_hashkey(u->text,u->blength)) & (newhash.size-1);
- u->hashlink = (utf*) newhash.ptr[slot];
- newhash.ptr[slot] = u;
+ u->hashlink = (utf*) newhash.ptr[slot];
+ newhash.ptr[slot] = u;
- /* follow link in external hash chain */
- u = nextu;
+ /* follow link in external hash chain */
+ u = nextu;
}
}
- /* dispose old table */
- MFREE (utf_hash.ptr, void*, utf_hash.size);
- utf_hash = newhash;
+ /* dispose old table */
+ MFREE (utf_hash.ptr, void*, utf_hash.size);
+ utf_hash = newhash;
}
return u;
utf_display (u);
printf ("' ");
u = u->hashlink;
- }
+ }
printf ("\n");
- }
-
}
+
+ }
printf ("UTF-HASH: %d slots for %d entries\n",
- (int) utf_hash.size, (int) utf_hash.entries );
+ (int) utf_hash.size, (int) utf_hash.entries );
if (utf_hash.entries == 0)
while (u) {
u = u->hashlink;
chain_length++;
- }
+ }
/* update sum of all chainlengths */
sum_chainlength+=chain_length;
/* update number of hashchains of current length */
chain_count[chain_length]++;
- }
+ }
/* display results */
for (i=1;i<CHAIN_LIMIT-1;i++)
******************************************************************************/
-u2 desc_to_type (utf *descriptor)
+u2 desc_to_type(utf *descriptor)
{
char *utf_ptr = descriptor->text; /* current position in utf text */
- if (descriptor->blength < 1) panic ("Type-Descriptor is empty string");
+ if (descriptor->blength < 1) panic("Type-Descriptor is empty string");
switch (*utf_ptr++) {
case 'B':
case '[': return TYPE_ADDRESS;
}
- sprintf (logtext, "Invalid Type-Descriptor: ");
- utf_sprint (logtext+strlen(logtext), descriptor);
- error ();
+ sprintf(logtext, "Invalid Type-Descriptor: ");
+ utf_sprint(logtext+strlen(logtext), descriptor);
+ error();
+
return 0;
}
int len;
switch ((ch1 = utf[0]) >> 4) {
- default: /* 1 byte */
- (*utf_ptr)++;
- return ch1;
- case 0xC:
- case 0xD: /* 2 bytes */
- if (((ch2 = utf[1]) & 0xC0) == 0x80) {
- unsigned char high = ch1 & 0x1F;
- unsigned char low = ch2 & 0x3F;
- unicode_char = (high << 6) + low;
- len = 2;
- }
- break;
-
- case 0xE: /* 2 or 3 bytes */
- if (((ch2 = utf[1]) & 0xC0) == 0x80) {
- if (((ch3 = utf[2]) & 0xC0) == 0x80) {
- unsigned char low = ch3 & 0x3f;
- unsigned char mid = ch2 & 0x3f;
- unsigned char high = ch1 & 0x0f;
- unicode_char = (((high << 6) + mid) << 6) + low;
- len = 3;
- } else
- len = 2;
- }
- break;
+ default: /* 1 byte */
+ (*utf_ptr)++;
+ return ch1;
+ case 0xC:
+ case 0xD: /* 2 bytes */
+ if (((ch2 = utf[1]) & 0xC0) == 0x80) {
+ unsigned char high = ch1 & 0x1F;
+ unsigned char low = ch2 & 0x3F;
+ unicode_char = (high << 6) + low;
+ len = 2;
+ }
+ break;
+
+ case 0xE: /* 2 or 3 bytes */
+ if (((ch2 = utf[1]) & 0xC0) == 0x80) {
+ if (((ch3 = utf[2]) & 0xC0) == 0x80) {
+ unsigned char low = ch3 & 0x3f;
+ unsigned char mid = ch2 & 0x3f;
+ unsigned char high = ch1 & 0x0f;
+ unicode_char = (((high << 6) + mid) << 6) + low;
+ len = 3;
+ } else
+ len = 2;
+ }
+ break;
}
/* update position in utf-text */
*utf_ptr = (char *) (utf + len);
return unicode_char;
}
+
/******************** Function: class_new **************************************
*******************************************************************************/
-classinfo *class_new (utf *u)
+classinfo *class_new(utf *u)
{
classinfo *c; /* hashtable element */
u4 key; /* hashkey computed from classname */
for (i=0; i<u->blength; i++)
if (u->text[i] != c->name->text[i]) goto nomatch;
- /* class found in hashtable */
- return c;
- }
+ /* class found in hashtable */
+ return c;
+ }
- nomatch:
+ nomatch:
c = c->hashlink; /* next element in external chain */
- }
+ }
/* location in hashtable found, create new classinfo structure */
count_class_infos += sizeof(classinfo);
#endif
- c = NEW (classinfo);
- c -> flags = 0;
- c -> name = u;
- c -> cpcount = 0;
- c -> cptags = NULL;
- c -> cpinfos = NULL;
- c -> super = NULL;
- c -> sub = NULL;
- c -> nextsub = NULL;
- c -> interfacescount = 0;
- c -> interfaces = NULL;
- c -> fieldscount = 0;
- c -> fields = NULL;
- c -> methodscount = 0;
- c -> methods = NULL;
- c -> linked = false;
- c -> index = 0;
- c -> instancesize = 0;
- c -> header.vftbl = NULL;
- c -> innerclasscount = 0;
- c -> innerclass = NULL;
- c -> vftbl = NULL;
- c -> initialized = false;
- c -> classvftbl = false;
+ c = NEW(classinfo);
+ c->flags = 0;
+ c->name = u;
+ c->cpcount = 0;
+ c->cptags = NULL;
+ c->cpinfos = NULL;
+ c->super = NULL;
+ c->sub = NULL;
+ c->nextsub = NULL;
+ c->interfacescount = 0;
+ c->interfaces = NULL;
+ c->fieldscount = 0;
+ c->fields = NULL;
+ c->methodscount = 0;
+ c->methods = NULL;
+ c->linked = false;
+ c->index = 0;
+ c->instancesize = 0;
+ c->header.vftbl = NULL;
+ c->innerclasscount = 0;
+ c->innerclass = NULL;
+ c->vftbl = NULL;
+ c->initialized = false;
+ c->classvftbl = false;
/* prepare loading of the class */
- list_addlast (&unloadedclasses, c);
+ list_addlast(&unloadedclasses, c);
/* insert class into the hashtable */
c->hashlink = class_hash.ptr[slot];
/* update number of hashtable-entries */
class_hash.entries++;
- if ( class_hash.entries > (class_hash.size*2)) {
+ if (class_hash.entries > (class_hash.size*2)) {
- /* reorganization of hashtable, average length of
- the external chains is approx. 2 */
+ /* reorganization of hashtable, average length of
+ the external chains is approx. 2 */
- u4 i;
- classinfo *c;
- hashtable newhash; /* the new hashtable */
+ u4 i;
+ classinfo *c;
+ hashtable newhash; /* the new hashtable */
- /* create new hashtable, double the size */
- init_hashtable(&newhash, class_hash.size*2);
- newhash.entries = class_hash.entries;
+ /* create new hashtable, double the size */
+ init_hashtable(&newhash, class_hash.size*2);
+ newhash.entries = class_hash.entries;
- /* transfer elements to new hashtable */
- for (i=0; i<class_hash.size; i++) {
- c = (classinfo*) class_hash.ptr[i];
- while (c) {
- classinfo *nextc = c -> hashlink;
- u4 slot = (utf_hashkey(c->name->text,c->name->blength)) & (newhash.size-1);
+ /* transfer elements to new hashtable */
+ for (i = 0; i < class_hash.size; i++) {
+ c = (classinfo*) class_hash.ptr[i];
+ while (c) {
+ classinfo *nextc = c->hashlink;
+ u4 slot = (utf_hashkey(c->name->text, c->name->blength)) & (newhash.size - 1);
- c->hashlink = newhash.ptr[slot];
- newhash.ptr[slot] = c;
+ c->hashlink = newhash.ptr[slot];
+ newhash.ptr[slot] = c;
- c = nextc;
+ c = nextc;
}
}
- /* dispose old table */
- MFREE (class_hash.ptr, void*, class_hash.size);
- class_hash = newhash;
+ /* dispose old table */
+ MFREE(class_hash.ptr, void*, class_hash.size);
+ class_hash = newhash;
}
return c;
*******************************************************************************/
-classinfo *class_get (utf *u)
+classinfo *class_get(utf *u)
{
classinfo *c; /* hashtable element */
u4 key; /* hashkey computed from classname */
/* class found in hashtable */
return c;
- }
+ }
- nomatch:
+ nomatch:
c = c->hashlink;
- }
+ }
/* class not found */
return NULL;
u4 len = 0; /* number of unicode characters */
while (utf_ptr<endpos) {
- len++;
- /* next unicode character */
- utf_nextu2(&utf_ptr);
+ len++;
+ /* next unicode character */
+ utf_nextu2(&utf_ptr);
}
if (utf_ptr!=endpos)
/* string ended abruptly */
- panic("illegal utf string");
+ panic("illegal utf string");
return len;
}
-
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-
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
projects / cacao.git / blobdiff