Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: codegen.c 7564 2007-03-23 23:36:17Z twisti $
-
*/
#include "config.h"
#include <assert.h>
+#include <stdint.h>
#include "md-abi.h"
#include "md-os.h"
#include "mm/memory.h"
#include "native/jni.h"
+#include "native/localref.h"
#include "native/native.h"
#include "threads/lock-common.h"
#include "vm/jit/dseg.h"
#include "vm/jit/emit-common.h"
#include "vm/jit/jit.h"
+#include "vm/jit/abi.h"
#include "vm/jit/parse.h"
#include "vm/jit/patcher.h"
#include "vm/jit/reg.h"
/* MEMORY *************************************************************/
- case ICMD_GETSTATIC:
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+
+ case ICMD_GETSTATIC: /* ... ==> ..., value */
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
- } else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
+ disp = 0;
+ codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
+ disp = (intptr_t) fi->value;
+
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_initialize_class, fi->class, 0);
+ codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
+ 0);
}
-
- disp = (ptrint) &(fi->value);
}
+
M_AMOV_IMM(disp, REG_ATMP1);
switch (fieldtype) {
#if defined(ENABLE_SOFTFLOAT)
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
- } else {
+ }
+ else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = &(fi->value);
+ disp = (intptr_t) fi->value;
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
- codegen_addpatchref(cd, PATCHER_initialize_class, fi->class, 0);
+ codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
+ 0);
}
M_AMOV_IMM(disp, REG_ATMP1);
s1 = emit_load_s1(jd, iptr, REG_ATMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
- M_ILD(d, s1, OFFSET(java_arrayheader, size));
+ M_ILD(d, s1, OFFSET(java_array_t, size));
emit_store_dst(jd, iptr, d);
break;
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_bytearray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(1, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_chararray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_chararray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(1, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_shortarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_intarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_intarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP1);
M_ISSL_IMM(3, REG_ITMP1);
- M_IADD_IMM(OFFSET(java_longarray, data[0]), REG_ITMP1);
+ M_IADD_IMM(OFFSET(java_longarray_t, data[0]), REG_ITMP1);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP1, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_floatarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(3, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_doublearray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_objectarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_objectarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_INTMOVE(s2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_bytearray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(1, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_chararray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_chararray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(1, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_shortarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_intarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_intarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
M_INTMOVE(s2, REG_ITMP1);
M_ISSL_IMM(3, REG_ITMP1);
- M_IADD_IMM(OFFSET(java_longarray, data[0]), REG_ITMP1);
+ M_IADD_IMM(OFFSET(java_longarray_t, data[0]), REG_ITMP1);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP1, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(2, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_floatarray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_INTMOVE(s2, REG_ITMP2);
M_ISSL_IMM(3, REG_ITMP2);
- M_IADD_IMM(OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_doublearray_t, data[0]), REG_ITMP2);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP2, REG_ATMP1);
/* implicit null-pointer check */
s3 = emit_load_s3(jd, iptr, REG_ATMP2);
/* XXX what if array is NULL */
- disp = dseg_add_functionptr(cd, BUILTIN_canstore);
+ disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
M_AST(s1, REG_SP, 0*4);
M_AST(s3, REG_SP, 1*4);
- M_JSR_IMM(BUILTIN_canstore);
- emit_exception_check(cd, iptr);
+ M_JSR_IMM(BUILTIN_FAST_canstore);
+ emit_arraystore_check(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_ATMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP1);
s3 = emit_load_s3(jd, iptr, REG_ATMP2);
M_INTMOVE(s2, REG_ITMP1);
M_ISSL_IMM(2, REG_ITMP1);
- M_IADD_IMM(OFFSET(java_objectarray, data[0]), REG_ITMP1);
+ M_IADD_IMM(OFFSET(java_objectarray_t, data[0]), REG_ITMP1);
M_ADRMOVE(s1, REG_ATMP1);
M_AADDINT(REG_ITMP1, REG_ATMP1);
/* implicit null-pointer check */
/* METHOD INVOCATION *********************************************************/
case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
+
bte = iptr->sx.s23.s3.bte;
md = bte->md;
goto gen_method;
/* load object pointer (==argument 0) */
M_ALD(REG_ATMP1, REG_SP, 0);
/* implicit null-pointer check */
- M_ALD(REG_METHODPTR, REG_ATMP1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_METHODPTR, REG_ATMP1, OFFSET(java_object_t, vftbl));
M_ALD(REG_ATMP3, REG_METHODPTR, s1);
/* generate the actual call */
M_JSR(REG_ATMP3);
M_ALD(REG_ATMP1, REG_SP, 0);
/* implicit null-pointer check */
- M_ALD(REG_METHODPTR, REG_ATMP1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_METHODPTR, REG_ATMP1, OFFSET(java_object_t, vftbl));
M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
M_ALD(REG_ATMP3, REG_METHODPTR, s2);
} /* switch (iptr->opc) */
REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
/* store return value */
d = md->returntype.type;
emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ATMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ATMP1, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ATMP1, OFFSET(vftbl_t, interfacetablelength));
M_IADD_IMM(-superindex, REG_ITMP3); /* -superindex may be patched patched */
M_ITST(REG_ITMP3);
emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_ALD(REG_ATMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ATMP1, s1, OFFSET(java_object_t, vftbl));
CODEGEN_CRITICAL_SECTION_START;
emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ATMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ATMP2, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ATMP2, OFFSET(vftbl_t, interfacetablelength));
M_IADD_IMM(-superindex, REG_ITMP3); /* superindex patched */
emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_ALD(REG_ATMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ATMP2, s1, OFFSET(java_object_t, vftbl));
CODEGEN_CRITICAL_SECTION_START;
/* generate stubs */
emit_patcher_stubs(jd);
- REPLACEMENT_EMIT_STUBS(jd);
return true;
}
M_JMP(REG_ATMP3);
}
+/* codegen_emit_stub_builtin ***************************************************
+
+ Creates a stub routine which calls a builtin function.
+
+*******************************************************************************/
+
+void codegen_emit_stub_builtin(jitdata *jd, builtintable_entry *bte)
+{
+ codeinfo *code;
+ codegendata *cd;
+ methoddesc *md;
+ s4 i;
+ s4 disp;
+ s4 s1, s2;
+
+ /* get required compiler data */
+ code = jd->code;
+ cd = jd->cd;
+
+ /* set some variables */
+ md = bte->md;
+
+ /* calculate stack frame size */
+ cd->stackframesize =
+ sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ 4; /* 4 arguments or return value */
+
+ /* create method header */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, cd->stackframesize * 4); /* FrameSize */
+ (void) dseg_add_unique_s4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, 0); /* IntSave */
+ (void) dseg_add_unique_s4(cd, 0); /* FltSave */
+ (void) dseg_addlinenumbertablesize(cd);
+ (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
+
+ /* generate stub code */
+ M_AADD_IMM(-(cd->stackframesize*4), REG_SP);
+
+#if defined(ENABLE_GC_CACAO)
+ /* Save callee saved integer registers in stackframeinfo (GC may
+ need to recover them during a collection). */
+
+ disp = cd->stackframesize * 4 - sizeof(stackframeinfo) +
+ OFFSET(stackframeinfo, adrregs);
+
+ for (i = 0; i < ADR_SAV_CNT; i++)
+ M_AST(abi_registers_address_saved[i], REG_SP, disp + i * 4);
+#endif
+
+ /* create dynamic stack info */
+
+ M_AMOV(REG_SP, REG_ATMP1);
+ M_AADD_IMM(cd->stackframesize * 4, REG_ATMP1);
+ M_AST(REG_ATMP1, REG_SP, 0 * 4); /* datasp */
+
+ M_AMOV_IMM(0, REG_ATMP1); /* we need pv patched in */
+ dseg_adddata(cd); /* this does the trick */
+ M_AST(REG_ATMP1, REG_SP, 1 * 4); /* pv */
+
+ M_AMOV(REG_SP, REG_ATMP1);
+ M_AADD_IMM(cd->stackframesize * 4 + SIZEOF_VOID_P, REG_ATMP1);
+ M_AST(REG_ATMP1, REG_SP, 2 * 4); /* sp */
+
+ M_ALD(REG_ATMP3, REG_SP, cd->stackframesize * 4);
+ M_AST(REG_ATMP3, REG_SP, 3 * 4); /* ra */
+
+ M_JSR_IMM(codegen_stub_builtin_enter);
+
+ /* copy arguments into new stackframe */
+
+ for (i = 0; i < md->paramcount; i++) {
+ if (!md->params[i].inmemory) {
+ log_text("No integer argument registers available!");
+ assert(0);
+
+ } else { /* float/double in memory can be copied like int/longs */
+ s1 = md->params[i].regoff + cd->stackframesize * 4 + 4;
+ s2 = md->params[i].regoff;
+
+ M_ILD(REG_ITMP1, REG_SP, s1);
+ M_IST(REG_ITMP1, REG_SP, s2);
+ if (IS_2_WORD_TYPE(md->paramtypes[i].type)) {
+ M_ILD(REG_ITMP1, REG_SP, s1 + 4);
+ M_IST(REG_ITMP1, REG_SP, s2 + 4);
+ }
+
+ }
+ }
+
+ /* call the builtin function */
+
+ M_AMOV_IMM(bte->fp, REG_ATMP3);
+ M_JSR(REG_ATMP3);
+
+ /* save return value */
+ switch (md->returntype.type) {
+ case TYPE_VOID: break;
+
+ /* natives return float arguments in %d0, %d1, cacao expects them in %fp0 */
+ case TYPE_DBL:
+ case TYPE_LNG:
+ M_IST(REG_D1, REG_SP, 2 * 4);
+ /* fall through */
+
+ case TYPE_FLT:
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(REG_D0, REG_SP, 1 * 4);
+ break;
+
+ default: assert(0);
+ }
+
+ /* remove native stackframe info */
+
+ M_AMOV(REG_SP, REG_ATMP1);
+ M_AADD_IMM(cd->stackframesize * 4, REG_ATMP1);
+ M_AST(REG_ATMP1, REG_SP, 0 * 4);
+
+ M_JSR_IMM(codegen_stub_builtin_exit);
+
+ /* restore return value */
+ switch (md->returntype.type) {
+ case TYPE_VOID: break;
+
+ case TYPE_DBL:
+ case TYPE_LNG:
+ M_ILD(REG_D1, REG_SP, 2 * 4);
+ /* fall through */
+
+ case TYPE_FLT:
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(REG_D0, REG_SP, 1 * 4);
+ break;
+
+ default: assert(0);
+ }
+
+#if defined(ENABLE_GC_CACAO)
+ /* Restore callee saved integer registers from stackframeinfo (GC
+ might have modified them during a collection). */
+
+ disp = cd->stackframesize * 4 - sizeof(stackframeinfo) +
+ OFFSET(stackframeinfo, adrregs);
+
+ for (i = 0; i < ADR_SAV_CNT; i++)
+ M_ALD(abi_registers_address_saved[i], REG_SP, disp + i * 4);
+#endif
+
+ /* remove stackframe */
+ M_AADD_IMM(cd->stackframesize * 4, REG_SP);
+ M_RET;
+}
+
+
+
/* codegen_emit_stub_native ****************************************************
M_AADD_IMM(-(cd->stackframesize*4), REG_SP);
/* get function address (this must happen before the stackframeinfo) */
-#if !defined(WITH_STATIC_CLASSPATH)
if (f == NULL) {
codegen_addpatchref(cd, PATCHER_resolve_native_function, m, 0);
}
-#endif
+
M_AMOV_IMM(f, REG_ATMP2); /* do not move this line, the patcher is needed */
M_AST(REG_ATMP2, REG_SP, 4 * 4);
/* void codegen_start_native_call(u1 *datasp, u1 *pv, u1 *sp, u1 *ra) */
M_AMOV(REG_SP, REG_ATMP1);
- M_AADD_IMM(cd->stackframesize * 4, REG_ATMP1);
-
- M_ALD(REG_ATMP3, REG_ATMP1, 0 * 4);
- M_AST(REG_ATMP3, REG_SP, 3 * 4); /* ra */
-
- M_AST(REG_ATMP1, REG_SP, 0 * 4); /* datasp */
-
- M_AADD_IMM(1 * 4 , REG_ATMP1);
- M_AST(REG_ATMP1, REG_SP, 2 * 4); /* sp */
+ M_AST(REG_ATMP1, REG_SP, 0 * 4); /* currentsp */
M_AMOV_IMM(0, REG_ATMP2); /* 0 needs to patched */
dseg_adddata(cd); /* this patches it */
M_JSR_IMM(codegen_start_native_call);
+ /* remember class argument */
+ if (m->flags & ACC_STATIC)
+ M_INT2ADRMOVE(REG_RESULT, REG_ATMP3);
+
/* load function pointer */
M_ALD(REG_ATMP2, REG_SP, 4 * 4);
}
/* for static function class as second arg */
- if (m->flags & ACC_STATIC) {
- M_AMOV_IMM(m->class, REG_ATMP1);
- M_AST(REG_ATMP1, REG_SP, 1 * 4);
- }
+ if (m->flags & ACC_STATIC)
+ M_AST(REG_ATMP3, REG_SP, 1 * 4);
+
/* env ist first argument */
M_AMOV_IMM(_Jv_env, REG_ATMP1);
M_AST(REG_ATMP1, REG_SP, 0 * 4);
projects / cacao.git / blobdiff