Authors: Reinhard Grafl
Andreas Krall
-
- Changes: Christian Thalinger
+ Christian Thalinger
Joseph Wenninger
- $Id: dseg.h 4445 2006-02-05 15:26:34Z edwin $
+ $Id: dseg.h 6046 2006-11-22 20:24:55Z twisti $
*/
/* forward typedefs ***********************************************************/
-typedef struct jumpref jumpref;
-typedef struct dataref dataref;
-typedef struct patchref patchref;
-typedef struct linenumberref linenumberref;
+typedef struct dsegentry dsegentry;
+typedef struct jumpref jumpref;
+typedef struct dataref dataref;
+typedef struct exceptionref exceptionref;
+typedef struct patchref patchref;
+typedef struct linenumberref linenumberref;
+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"
-/* global macros **************************************************************/
+/* convenience 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
+#define dseg_add_functionptr(cd,value) \
+ dseg_add_address((cd), (void *) (ptrint) (value))
+
+
+/* dataentry ******************************************************************/
+
+#define DSEG_FLAG_UNIQUE 0x0001
+#define DSEG_FLAG_READONLY 0x0002
+
+struct dsegentry {
+ u2 type;
+ u2 flags;
+ s4 disp;
+ imm_union val;
+ dsegentry *next;
+};
/* jumpref ********************************************************************/
};
+/* exceptionref ***************************************************************/
+
+struct exceptionref {
+ s4 branchpos; /* patching position in code segment */
+ s4 reg; /* used for ArrayIndexOutOfBounds index reg */
+ functionptr function; /* function pointer to generate exception */
+ exceptionref *next; /* next element in exceptionref list */
+};
+
+
/* patchref *******************************************************************/
struct patchref {
- s4 branchpos;
- functionptr patcher;
- voidptr ref;
+ s4 branchpos; /* relative offset to method entrypoint */
+ s4 disp; /* displacement of ref in the data segment */
+ functionptr patcher; /* patcher function to call */
+ voidptr ref; /* reference passed */
+/* listnode linkage; */
patchref *next;
- s4 disp;
};
};
-/* function prototypes ********************************************************/
+/* linenumbertable_entry ******************************************************/
-void dseg_increase(codegendata *cd);
+/* Keep the type of line the same as the pointer type, otherwise we
+ run into alignment troubles (like on MIPS64). */
-s4 dseg_adds4_increase(codegendata *cd, s4 value);
-s4 dseg_adds4(codegendata *cd, s4 value);
+struct linenumbertable_entry {
+ ptrint line; /* NOTE: see doc/inlining_stacktrace.txt for */
+ u1 *pc; /* special meanings of line and pc. */
+};
+
+
+/* dseg_exception_entry ********************************************************
-s4 dseg_adds8_increase(codegendata *cd, s8 value);
-s4 dseg_adds8(codegendata *cd, s8 value);
+ Datastructure which represents an exception entry in the exception
+ table residing in the data segment.
-s4 dseg_addfloat_increase(codegendata *cd, float value);
-s4 dseg_addfloat(codegendata *cd, float value);
+*******************************************************************************/
+
+struct dseg_exception_entry {
+ classref_or_classinfo catchtype;
+ u1 *handlerpc;
+ u1 *endpc;
+ u1 *startpc;
+};
-s4 dseg_adddouble_increase(codegendata *cd, double value);
-s4 dseg_adddouble(codegendata *cd, double value);
-void dseg_addtarget(codegendata *cd, basicblock *target);
+/* function prototypes ********************************************************/
+
+void dseg_finish(jitdata *jd);
+
+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_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_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_inline_start(codegendata *cd, instruction *iptr, 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);
+s4 dseg_get_linenumber_from_pc(methodinfo **pm, u1 *pv, u1 *pc);
+
#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);
+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 */