-/* jit/parse.h - parser header
+/* src/vm/jit/parse.h - parser header
- 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
+ Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
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.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
- Author: Christian Thalinger
-
- $Id: parse.h 557 2003-11-02 22:51:59Z twisti $
+ Author: Christian Thalinger
+ Edwin Steiner
*/
#ifndef _PARSE_H
#define _PARSE_H
-#include "global.h"
+#include "config.h"
+#include "vm/types.h"
+
+#include "vm/global.h"
+#include "vm/jit/codegen-common.h"
+
+
+/* macros for verifier checks during parsing **********************************/
+
+#if defined(ENABLE_VERIFIER)
+
+/* We have to check local variables indices here because they are */
+/* used in stack.c to index the locals array. */
+
+#define INDEX_ONEWORD(num) \
+ do { \
+ if (((num) < 0) || ((num) >= m->maxlocals)) \
+ goto throw_illegal_local_variable_number; \
+ } while (0)
+
+#define INDEX_TWOWORD(num) \
+ do { \
+ if (((num) < 0) || (((num) + 1) >= m->maxlocals)) \
+ goto throw_illegal_local_variable_number; \
+ } while (0)
+
+/* CHECK_BYTECODE_INDEX(i) checks whether i is a valid bytecode index. */
+/* The end of the bytecode (i == m->jcodelength) is considered valid. */
+
+#define CHECK_BYTECODE_INDEX(i) \
+ do { \
+ if (((i) < 0) || ((i) >= m->jcodelength)) \
+ goto throw_invalid_bytecode_index; \
+ } while (0)
+
+/* CHECK_BYTECODE_INDEX_EXCLUSIVE is used for the exclusive ends */
+/* of exception handler ranges. */
+#define CHECK_BYTECODE_INDEX_EXCLUSIVE(i) \
+ do { \
+ if ((i) < 0 || (i) > m->jcodelength) \
+ goto throw_invalid_bytecode_index; \
+ } while (0)
+
+#else /* !defined(ENABLE_VERIFIER) */
+
+#define INDEX_ONEWORD(num)
+#define INDEX_TWOWORD(num)
+#define CHECK_BYTECODE_INDEX(i)
+#define CHECK_BYTECODE_INDEX_EXCLUSIVE(i)
+
+#endif /* defined(ENABLE_VERIFIER) */
+
+
+/* basic block generating macro ***********************************************/
+
+#define MARK_BASICBLOCK(pd, i) \
+ do { \
+ (pd)->basicblockstart[(i)] = 1; \
+ } while (0)
+
+#define INSTRUCTIONS_CHECK(i) \
+ if ((ircount + (i)) > pd.instructionslength) \
+ iptr = parse_realloc_instructions(&pd, ircount, (i))
+
+
+/* intermediate code generating macros ****************************************/
+
+/* These macros ALWAYS set the following fields of *iptr to valid values: */
+/* iptr->opc */
+/* iptr->flags */
+/* iptr->line */
+
+/* These macros do NOT touch the following fields of *iptr, unless a value is */
+/* given for them: */
+/* iptr->s1 */
+/* iptr->sx */
+/* iptr->dst */
+
+/* The _PREPARE macros omit the PINC, so you can set additional fields */
+/* afterwards. */
+
+#define PINC \
+ iptr++; ircount++
-/* macros for byte code fetching ***********************************************
+#define OP_PREPARE_FLAGS(o, f) \
+ iptr->opc = (o); \
+ iptr->line = currentline; \
+ iptr->flags.bits |= (f) | (ircount << INS_FLAG_ID_SHIFT);
- fetch a byte code of given size from position p in code array jcode
+#define OP_PREPARE_ZEROFLAGS(o) \
+ OP_PREPARE_FLAGS(o, 0)
-*******************************************************************************/
+#define OP_PREPARE(o) \
+ OP_PREPARE_ZEROFLAGS(o)
-#define code_get_u1(p) jcode[p]
-#define code_get_s1(p) ((s1)jcode[p])
-#define code_get_u2(p) ((((u2)jcode[p]) << 8) + jcode[p + 1])
-#define code_get_s2(p) ((s2)((((u2)jcode[p]) << 8) + jcode[p + 1]))
-#define code_get_u4(p) ((((u4)jcode[p]) << 24) + (((u4)jcode[p + 1]) << 16) \
- +(((u4)jcode[p + 2]) << 8) + jcode[p + 3])
-#define code_get_s4(p) ((s4)((((u4)jcode[p]) << 24) + (((u4)jcode[p + 1]) << 16) \
- +(((u4)jcode[p + 2]) << 8) + jcode[p + 3]))
+#define OP(o) \
+ OP_PREPARE_ZEROFLAGS(o); \
+ PINC
+#define OP_CHECK_EXCEPTION(o) \
+ OP_PREPARE_FLAGS(o, INS_FLAG_CHECK); \
+ PINC
-extern classinfo *rt_class;
-extern methodinfo *rt_method;
-extern utf *rt_descriptor;
-extern int rt_jcodelength;
-extern u1 *rt_jcode;
+#define OP_LOADCONST_I(v) \
+ OP_PREPARE_ZEROFLAGS(ICMD_ICONST); \
+ iptr->sx.val.i = (v); \
+ PINC
+#define OP_LOADCONST_L(v) \
+ OP_PREPARE_ZEROFLAGS(ICMD_LCONST); \
+ iptr->sx.val.l = (v); \
+ PINC
-/* function prototypes */
-void compiler_addinitclass(classinfo *c);
-classSetNode * descriptor2typesL(methodinfo *m);
-void descriptor2types(methodinfo *m);
-void parse();
+#define OP_LOADCONST_F(v) \
+ OP_PREPARE_ZEROFLAGS(ICMD_FCONST); \
+ iptr->sx.val.f = (v); \
+ PINC
+
+#define OP_LOADCONST_D(v) \
+ OP_PREPARE_ZEROFLAGS(ICMD_DCONST); \
+ iptr->sx.val.d = (v); \
+ PINC
+
+#define OP_LOADCONST_NULL() \
+ OP_PREPARE_FLAGS(ICMD_ACONST, INS_FLAG_CHECK); \
+ iptr->sx.val.anyptr = NULL; \
+ PINC
+
+#define OP_LOADCONST_STRING(v) \
+ OP_PREPARE_FLAGS(ICMD_ACONST, INS_FLAG_CHECK); \
+ iptr->sx.val.stringconst = (v); \
+ PINC
+
+#define OP_LOADCONST_CLASSINFO_OR_CLASSREF_FLAGS(cl, cr, extraflags) \
+ OP_PREPARE(ICMD_ACONST); \
+ if (cl) { \
+ iptr->sx.val.c.cls = (cl); \
+ iptr->flags.bits |= INS_FLAG_CLASS | (extraflags); \
+ } \
+ else { \
+ iptr->sx.val.c.ref = (cr); \
+ iptr->flags.bits |= INS_FLAG_CLASS | INS_FLAG_UNRESOLVED \
+ | (extraflags); \
+ } \
+ PINC
+
+#define OP_LOADCONST_CLASSINFO_OR_CLASSREF_CHECK(c, cr) \
+ OP_LOADCONST_CLASSINFO_OR_CLASSREF_FLAGS((c), (cr), INS_FLAG_CHECK)
+
+#define OP_LOADCONST_CLASSINFO_OR_CLASSREF_NOCHECK(c, cr) \
+ OP_LOADCONST_CLASSINFO_OR_CLASSREF_FLAGS((c), (cr), 0)
+
+#define OP_S3_CLASSINFO_OR_CLASSREF(o, c, cr, extraflags) \
+ OP_PREPARE(o); \
+ if (c) { \
+ iptr->sx.s23.s3.c.cls= (c); \
+ iptr->flags.bits |= (extraflags); \
+ } \
+ else { \
+ iptr->sx.s23.s3.c.ref= (cr); \
+ iptr->flags.bits |= INS_FLAG_UNRESOLVED | (extraflags); \
+ } \
+ PINC
+
+#define OP_INSINDEX(o, iindex) \
+ OP_PREPARE_ZEROFLAGS(o); \
+ iptr->dst.insindex = (iindex); \
+ PINC
+
+# define OP_LOCALINDEX(o,index) \
+ OP_PREPARE_ZEROFLAGS(o); \
+ iptr->s1.varindex = (index); \
+ PINC
+
+# define OP_LOCALINDEX_I(o,index,v) \
+ OP_PREPARE_ZEROFLAGS(o); \
+ iptr->s1.varindex = (index); \
+ iptr->sx.val.i = (v); \
+ PINC
+
+# define LOCALTYPE_USED(index,type) \
+ do { \
+ local_map[(index) * 5 + (type)] = 1; \
+ } while (0)
+
+#define OP_LOAD_ONEWORD(o,index,type) \
+ do { \
+ INDEX_ONEWORD(index); \
+ OP_LOCALINDEX(o,index); \
+ LOCALTYPE_USED(index,type); \
+ } while (0)
+
+#define OP_LOAD_TWOWORD(o,index,type) \
+ do { \
+ INDEX_TWOWORD(index); \
+ OP_LOCALINDEX(o,index); \
+ LOCALTYPE_USED(index,type); \
+ } while (0)
+
+# define OP_STORE_ONEWORD(o,index,type) \
+ do { \
+ INDEX_ONEWORD(index); \
+ OP_PREPARE_ZEROFLAGS(o); \
+ iptr->dst.varindex = (index); \
+ LOCALTYPE_USED(index,type); \
+ PINC; \
+ } while (0)
+
+# define OP_STORE_TWOWORD(o,index,type) \
+ do { \
+ INDEX_TWOWORD(index); \
+ OP_PREPARE_ZEROFLAGS(o); \
+ iptr->dst.varindex = (index); \
+ LOCALTYPE_USED(index,type); \
+ PINC; \
+ } while (0)
+
+#define OP_BUILTIN_CHECK_EXCEPTION(bte) \
+ jd->isleafmethod = false; \
+ OP_PREPARE_FLAGS(ICMD_BUILTIN, INS_FLAG_CHECK); \
+ iptr->sx.s23.s3.bte = (bte); \
+ PINC
+
+#define OP_BUILTIN_NO_EXCEPTION(bte) \
+ jd->isleafmethod = false; \
+ OP_PREPARE_ZEROFLAGS(ICMD_BUILTIN); \
+ iptr->sx.s23.s3.bte = (bte); \
+ PINC
+
+#define OP_BUILTIN_ARITHMETIC(opcode, bte) \
+ jd->isleafmethod = false; \
+ OP_PREPARE_FLAGS(opcode, INS_FLAG_CHECK); \
+ iptr->sx.s23.s3.bte = (bte); \
+ PINC
+
+/* CAUTION: You must set iptr->flags yourself when using this! */
+#define OP_FMIREF_PREPARE(o, fmiref) \
+ OP_PREPARE(o); \
+ iptr->sx.s23.s3.fmiref = (fmiref);
+
+
+/* function prototypes ********************************************************/
+
+bool parse(jitdata *jd);
#endif /* _PARSE_H */
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
-