/* src/vm/jit/dseg.c - data segment handling stuff
- Copyright (C) 1996-2005 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
+ Copyright (C) 1996-2005, 2006, 2007 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
-
- Authors: Reinhard Grafl
- Andreas Krall
-
- Changes: Christian Thalinger
- Joseph Wenninger
-
- $Id: dseg.h 4198 2006-01-13 15:28:34Z twisti $
+ $Id: dseg.h 7556 2007-03-22 16:42:00Z tbfg $
*/
/* forward typedefs ***********************************************************/
-typedef struct jumpref jumpref;
-typedef struct dataref dataref;
-typedef struct patchref patchref;
-typedef struct linenumberref linenumberref;
+typedef struct dsegentry dsegentry;
+typedef struct linenumbertable_entry linenumbertable_entry;
+typedef struct dseg_exception_entry dseg_exception_entry;
#include "config.h"
-
#include "vm/types.h"
+#include "toolbox/list.h"
+
#include "vm/jit/jit.h"
#include "vm/jit/codegen-common.h"
+#include "vmcore/references.h"
-/* global macros **************************************************************/
-
-#if SIZEOF_VOID_P == 8
-# define dseg_addaddress(cd,value) dseg_adds8((cd), (s8) (value))
-#else
-# define dseg_addaddress(cd,value) dseg_adds4((cd), (s4) (value))
-#endif
+/* convenience macros *********************************************************/
-/* jumpref ********************************************************************/
+#define dseg_add_functionptr(cd,value) \
+ dseg_add_address((cd), (void *) (ptrint) (value))
-struct jumpref {
- s4 tablepos; /* patching position in data segment */
- basicblock *target; /* target basic block */
- jumpref *next; /* next element in jumpref list */
-};
+/* dataentry ******************************************************************/
-/* dataref ********************************************************************/
+#define DSEG_FLAG_UNIQUE 0x0001
+#define DSEG_FLAG_READONLY 0x0002
-struct dataref {
- s4 datapos; /* patching position in generated code */
- dataref *next; /* next element in dataref list */
+struct dsegentry {
+ u2 type;
+ u2 flags;
+ s4 disp;
+ imm_union val;
+ dsegentry *next;
};
-/* patchref *******************************************************************/
+/* linenumbertable_entry ******************************************************/
+
+/* Keep the type of line the same as the pointer type, otherwise we
+ run into alignment troubles (like on MIPS64). */
-struct patchref {
- s4 branchpos;
- functionptr patcher;
- voidptr ref;
- patchref *next;
- s4 disp;
+struct linenumbertable_entry {
+ ptrint line; /* NOTE: see doc/inlining_stacktrace.txt for */
+ u1 *pc; /* special meanings of line and pc. */
};
-/* linenumberref **************************************************************/
+/* dseg_exception_entry ********************************************************
-struct linenumberref {
- s4 tablepos; /* patching position in data segment */
- s4 targetmpc; /* machine code program counter of first */
- /* instruction for given line */
- u2 linenumber; /* line number, used for inserting into the */
- /* table and for validty checking */
- linenumberref *next; /* next element in linenumberref list */
-};
+ Datastructure which represents an exception entry in the exception
+ table residing in the data segment.
+*******************************************************************************/
-/* function prototypes ********************************************************/
+struct dseg_exception_entry {
+ classref_or_classinfo catchtype;
+ u1 *handlerpc;
+ u1 *endpc;
+ u1 *startpc;
+};
-void dseg_increase(codegendata *cd);
-s4 dseg_adds4_increase(codegendata *cd, s4 value);
-s4 dseg_adds4(codegendata *cd, s4 value);
+/* function prototypes ********************************************************/
-s4 dseg_adds8_increase(codegendata *cd, s8 value);
-s4 dseg_adds8(codegendata *cd, s8 value);
+void dseg_finish(jitdata *jd);
-s4 dseg_addfloat_increase(codegendata *cd, float value);
-s4 dseg_addfloat(codegendata *cd, float value);
+s4 dseg_add_unique_s4(codegendata *cd, s4 value);
+s4 dseg_add_unique_s8(codegendata *cd, s8 value);
+s4 dseg_add_unique_float(codegendata *cd, float value);
+s4 dseg_add_unique_double(codegendata *cd, double value);
+s4 dseg_add_unique_address(codegendata *cd, void *value);
-s4 dseg_adddouble_increase(codegendata *cd, double value);
-s4 dseg_adddouble(codegendata *cd, double value);
+s4 dseg_add_s4(codegendata *cd, s4 value);
+s4 dseg_add_s8(codegendata *cd, s8 value);
+s4 dseg_add_float(codegendata *cd, float value);
+s4 dseg_add_double(codegendata *cd, double value);
+s4 dseg_add_address(codegendata *cd, void *value);
-void dseg_addtarget(codegendata *cd, basicblock *target);
+void dseg_add_unique_target(codegendata *cd, basicblock *target);
+void dseg_add_target(codegendata *cd, basicblock *target);
void dseg_addlinenumbertablesize(codegendata *cd);
-void dseg_addlinenumber(codegendata *cd, u2 linenumber, u1 *ptr);
+void dseg_addlinenumber(codegendata *cd, u2 linenumber);
+void dseg_addlinenumber_inline_start(codegendata *cd, instruction *iptr);
+void dseg_addlinenumber_inline_end(codegendata *cd, instruction *iptr);
void dseg_createlinenumbertable(codegendata *cd);
-#if defined(__I386__) || defined(__X86_64__) || defined(__XDSPCORE__) || defined(ENABLE_INTRP)
-void dseg_adddata(codegendata *cd, u1 *ptr);
-void dseg_resolve_datareferences(codegendata *cd, methodinfo *m);
+s4 dseg_get_linenumber_from_pc(methodinfo **pm, u1 *pv, u1 *pc);
+
+#if defined(__I386__) || defined(__X86_64__) || defined(__XDSPCORE__) || defined(__M68K___) || defined(ENABLE_INTRP)
+void dseg_adddata(codegendata *cd);
+void dseg_resolve_datareferences(jitdata *jd);
#endif
#if !defined(NDEBUG)
-void dseg_display(methodinfo *m, codegendata *cd);
+void dseg_display(jitdata *jd);
#endif
#endif /* _DSEG_H */
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
projects / cacao.git / blobdiff