/* jit/codegen.inc.h - code generation 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 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.
Authors: Christian Thalinger
- $Id: codegen.inc.h 1565 2004-11-23 15:56:37Z twisti $
+ $Id: codegen.inc.h 1735 2004-12-07 14:33:27Z twisti $
*/
#include "types.h"
-#include "global.h"
-#include "jit/inline.h"
-#include "jit/reg.h"
+#include "vm/global.h"
+#include "vm/jit/jit.h"
+#include "vm/jit/reg.h"
+#include "vm/jit/inline/inline.h"
#define MCODEINITSIZE (1<<15) /* 32 Kbyte code area initialization size */
struct threadcritnodetemp {
threadcritnodetemp *next;
- s4 mcodebegin;
- s4 mcodeend;
- s4 mcoderestart;
+ s4 mcodebegin;
+ s4 mcodeend;
+ s4 mcoderestart;
};
struct codegendata {
- u1 *mcodebase; /* base pointer of code area */
- s4 *mcodeend; /* pointer to end of code area */
- s4 mcodesize; /* complete size of code area (bytes) */
+ u1 *mcodebase; /* base pointer of code area */
+ s4 *mcodeend; /* pointer to end of code area */
+ s4 mcodesize; /* complete size of code area (bytes) */
- u1 *mcodeptr; /* code generation pointer */
+#if defined(__I386__) || defined(__X86_64__)
+ u1 *mcodeptr; /* code generation pointer */
+#endif
- u1 *dsegtop; /* pointer to top (end) of data area */
- s4 dsegsize; /* complete size of data area (bytes) */
- s4 dseglen; /* used size of data area (bytes) */
+ u1 *dsegtop; /* pointer to top (end) of data area */
+ s4 dsegsize; /* complete size of data area (bytes) */
+ s4 dseglen; /* used size of data area (bytes) */
/* data area grows from top to bottom */
- jumpref *jumpreferences; /* list of jumptable target addresses */
- dataref *datareferences; /* list of data segment references */
- branchref *xboundrefs; /* list of bound check branches */
- branchref *xcheckarefs; /* list of array size check branches */
- branchref *xnullrefs; /* list of null check branches */
- branchref *xcastrefs; /* list of cast check branches */
- branchref *xdivrefs; /* list of divide by zero branches */
- branchref *xexceptionrefs; /* list of exception branches */
- clinitref *clinitrefs;
-
- linenumberref *linenumberreferences; /* list of line numbers and the */
+ jumpref *jumpreferences; /* list of jumptable target addresses */
+ dataref *datareferences; /* list of data segment references */
+ branchref *xboundrefs; /* list of bound check branches */
+ branchref *xcheckarefs; /* list of array size check branches */
+ branchref *xnullrefs; /* list of null check branches */
+ branchref *xcastrefs; /* list of cast check branches */
+ branchref *xdivrefs; /* list of divide by zero branches */
+ branchref *xexceptionrefs; /* list of exception branches */
+ clinitref *clinitrefs;
+
+ linenumberref *linenumberreferences; /* list of line numbers and the */
/* program counters of their first */
/* instruction */
- s4 linenumbertablesizepos;
- s4 linenumbertablestartpos;
- s4 linenumbertab;
+ s4 linenumbertablesizepos;
+ s4 linenumbertablestartpos;
+ s4 linenumbertab;
- methodinfo *method;
- s4 exceptiontablelength;/* exceptiontable length */
- exceptiontable *exceptiontable; /* the exceptiontable */
+ methodinfo *method;
+ s4 exceptiontablelength; /* exceptiontable length */
+ exceptiontable *exceptiontable; /* the exceptiontable */
threadcritnodetemp *threadcrit; /* List of critical code regions */
threadcritnodetemp threadcritcurrent;
- s4 threadcritcount; /* Number of critical regions */
- int maxstack;
- int maxlocals;
+ s4 threadcritcount; /* Number of critical regions */
+
+ s4 maxstack;
+ s4 maxlocals;
};
/***************** forward references in branch instructions ******************/
struct branchref {
- s4 branchpos; /* patching position in code segment */
- s4 reg; /* used for ArrayIndexOutOfBounds index reg */
+ s4 branchpos; /* patching position in code segment */
+ s4 reg; /* used for ArrayIndexOutOfBounds index reg */
branchref *next; /* next element in branchref list */
};
/******************** forward references in tables ***************************/
struct jumpref {
- s4 tablepos; /* patching position in data segment */
- struct basicblock *target; /* target basic block */
- jumpref *next; /* next element in jumpref list */
+ s4 tablepos; /* patching position in data segment */
+ basicblock *target; /* target basic block */
+ jumpref *next; /* next element in jumpref list */
};
struct dataref {
- u1 *pos; /* patching position in generated code */
+ u1 *pos; /* patching position in generated code */
dataref *next; /* next element in dataref list */
};
struct clinitref {
s4 branchpos;
classinfo *class;
- u4 mcode;
-#if defined(__I386__) || defined(__X86_64__)
- u1 xmcode;
- u1 *mcodeptr; /* codegendata dummy pointer to generate code */
-#endif
clinitref *next;
};
struct linenumberref {
- s4 tablepos; /* patching position in data segment */
- int targetmpc; /* machine code program counter of first */
+ 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 */
+ u2 linenumber; /* line number, used for inserting into the */
/* table and for validty checking */
linenumberref *next; /* next element in linenumberref list */
};
#endif
-/* function prototypes */
+/* function prototypes ********************************************************/
void codegen_init();
void codegen_setup(methodinfo *m, codegendata *cd, t_inlining_globals *e);
void codegen_close();
void codegen_insertmethod(functionptr startpc, functionptr endpc);
+#if defined(__I386__) || defined(__X86_64__)
+functionptr codegen_findmethod(functionptr pc);
+#elif defined(__ALPHA__)
+void *codegen_findmethod(void *returnAdress);
+#endif
+
#if defined(__I386__) || defined(__X86_64__)
void codegen_addreference(codegendata *cd, struct basicblock *target, void *branchptr);
#endif
+
void dseg_display(methodinfo *m, codegendata *cd);
void init_exceptions();
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