Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: codegen-common.h 7283 2007-02-04 19:41:14Z pm $
+ $Id: codegen-common.h 7579 2007-03-25 22:42:13Z twisti $
*/
typedef struct codegen_critical_section_t codegen_critical_section_t;
typedef struct codegendata codegendata;
+typedef struct branchref branchref;
+typedef struct branch_label_ref_t branch_label_ref_t;
typedef struct jumpref jumpref;
typedef struct dataref dataref;
typedef struct exceptionref exceptionref;
#define BRANCH_GT (ICMD_IFGT - ICMD_IFEQ)
#define BRANCH_LE (ICMD_IFLE - ICMD_IFEQ)
-#define BRANCH_NAN 256
+#define BRANCH_ULT 256
+#define BRANCH_ULE 257
+#define BRANCH_UGE 258
+#define BRANCH_UGT 259
+
+#define BRANCH_NAN 260
+
+
+/* common branch options ******************************************************/
+
+#define BRANCH_OPT_NONE 0
+
/************************* critical sections *********************************/
};
+/* codegendata ****************************************************************/
+
struct codegendata {
+ u4 flags; /* code generator flags */
u1 *mcodebase; /* base pointer of code area */
u1 *mcodeend; /* pointer to end of code area */
s4 mcodesize; /* complete size of code area (bytes) */
jumpref *jumpreferences; /* list of jumptable target addresses */
-#if defined(__I386__) || defined(__X86_64__) || defined(__XDSPCORE__) || defined(ENABLE_INTRP) || defined(__S390__)
+#if defined(__I386__) || defined(__X86_64__) || defined(__XDSPCORE__) || defined(__M68K__) || defined(ENABLE_INTRP) || defined(__S390__)
dataref *datareferences; /* list of data segment references */
#endif
- exceptionref *exceptionrefs; /* list of exception branches */
/* list *patchrefs; */
patchref *patchrefs;
+ list *brancheslabel;
linenumberref *linenumberreferences; /* list of line numbers and the */
/* program counters of their first */
};
+#define CODEGENDATA_FLAG_ERROR 0x00000001
+#define CODEGENDATA_FLAG_LONGBRANCHES 0x00000002
+
+
+#define CODEGENDATA_HAS_FLAG_ERROR(cd) \
+ ((cd)->flags & CODEGENDATA_FLAG_ERROR)
+
+#define CODEGENDATA_HAS_FLAG_LONGBRANCHES(cd) \
+ ((cd)->flags & CODEGENDATA_FLAG_LONGBRANCHES)
+
+
+/* branchref *****************************************************************/
+
+struct branchref {
+ s4 branchmpc; /* patching position in code segment */
+ s4 condition; /* conditional branch condition */
+ s4 reg; /* register number to check */
+ u4 options; /* branch options */
+ branchref *next; /* next element in branchref list */
+};
+
+
+/* branch_label_ref_t *********************************************************/
+
+struct branch_label_ref_t {
+ s4 mpc; /* position in code segment */
+ s4 label; /* label number */
+ s4 condition; /* conditional branch condition */
+ s4 reg; /* register number to check */
+ u4 options; /* branch options */
+ listnode linkage;
+};
+
+
/* jumpref ********************************************************************/
struct 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 {
void codegen_init(void);
void codegen_setup(jitdata *jd);
+bool codegen_generate(jitdata *jd);
+bool codegen_emit(jitdata *jd);
+
+#if defined(ENABLE_INTRP)
+bool intrp_codegen(jitdata *jd);
+#endif
+
void codegen_close(void);
void codegen_increase(codegendata *cd);
u1 *codegen_ncode_increase(codegendata *cd, u1 *ncodeptr);
#endif
-void codegen_add_branch_ref(codegendata *cd, basicblock *target);
-/* XXX REMOVE ME: don't-break-trunk macro */
-#define codegen_addreference codegen_add_branch_ref
+void codegen_add_branch_ref(codegendata *cd, basicblock *target, s4 condition, s4 reg, u4 options);
void codegen_resolve_branchrefs(codegendata *cd, basicblock *bptr);
-void codegen_add_arithmeticexception_ref(codegendata *cd);
-void codegen_add_arrayindexoutofboundsexception_ref(codegendata *cd, s4 reg);
-void codegen_add_arraystoreexception_ref(codegendata *cd);
-void codegen_add_classcastexception_ref(codegendata *cd, s4 reg);
-void codegen_add_nullpointerexception_ref(codegendata *cd);
-void codegen_add_fillinstacktrace_ref(codegendata *cd);
+void codegen_branch_label_add(codegendata *cd, s4 label, s4 condition, s4 reg, u4 options);
void codegen_add_patch_ref(codegendata *cd, functionptr patcher, voidptr ref,
#endif
/* machine dependent functions */
-void md_codegen_patch_branch(codegendata *cd, s4 branchmpc, s4 targetmpc);
-u1 *md_codegen_get_pv_from_pc(u1 *ra);
-
-bool codegen(jitdata *jd);
-
-#if defined(ENABLE_INTRP)
-bool intrp_codegen(jitdata *jd);
-#endif
+u1 *md_codegen_get_pv_from_pc(u1 *ra);
#endif /* _CODEGEN_COMMON_H */