Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: codegen.c 7754 2007-04-17 23:18:15Z twisti $
-
*/
#include "mm/memory.h"
+#include "native/localref.h"
#include "native/native.h"
-#if defined(ENABLE_THREADS)
-# include "threads/native/lock.h"
-#endif
+#include "threads/lock-common.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/jit/md.h"
#include "vm/jit/methodheader.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/patcher-common.h"
#include "vm/jit/reg.h"
#if defined(ENABLE_LSRA)
basicblock *bptr;
instruction *iptr;
exception_entry *ex;
- s4 fieldtype;
- s4 varindex;
s4 spilledregs_num;
s4 savedregs_num;
unresolved_method *um;
builtintable_entry *bte;
methoddesc *md;
+ fieldinfo *fi;
+ unresolved_field *uf;
+ int fieldtype;
+ int varindex;
/* get required compiler data */
savedregs_num = (jd->isleafmethod) ? 0 : 1; /* space to save the LR */
savedregs_num += (INT_SAV_CNT - rd->savintreguse);
- savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
+ /*savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);*/
+ assert((FLT_SAV_CNT - rd->savfltreguse) == 0);
spilledregs_num = rd->memuse;
spilledregs_num++;
#endif
- cd->stackframesize = spilledregs_num + savedregs_num;
+ cd->stackframesize = spilledregs_num * 8 + savedregs_num * 4;
/* XXX QUICK FIX: We shouldn't align the stack in Java code, but
only in native stubs. */
/* align stack to 8-byte */
- cd->stackframesize = (cd->stackframesize + 1) & ~1;
+ cd->stackframesize = (cd->stackframesize + 4) & ~4;
/* SECTION: Method Header */
/* 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, cd->stackframesize); /* FrameSize */
#if defined(ENABLE_THREADS)
/* IsSync contains the offset relative to the stack pointer for the
*/
if (checksync && (m->flags & ACC_SYNCHRONIZED))
- (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 4);/* IsSync */
+ (void) dseg_add_unique_s4(cd, rd->memuse * 8 + 4);/* IsSync */
else
#endif
(void) dseg_add_unique_s4(cd, 0); /* IsSync */
/* create additional stack frame for spilled variables (if necessary) */
- if ((cd->stackframesize - savedregs_num) > 0)
- M_SUB_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize - savedregs_num);
+ if ((cd->stackframesize / 4 - savedregs_num) > 0)
+ M_SUB_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize / 4 - savedregs_num);
/* take arguments out of register or stack frame */
/* ATTENTION: we use interger registers for all arguments (even float) */
#if !defined(ENABLE_SOFTFLOAT)
- if (IS_INT_LNG_TYPE(t)) { /* integer args */
+ if (IS_INT_LNG_TYPE(t)) {
#endif
- if (!md->params[i].inmemory) { /* register arguments */
- if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- if (GET_LOW_REG(var->vv.regoff) == REG_SPLIT || GET_HIGH_REG(var->vv.regoff) == REG_SPLIT) {
- /* TODO: remove this!!! */
- dolog("SPLIT in local var: %x>%x (%s.%s)", s1, var->vv.regoff, m->class->name->text, m->name->text);
- assert(s1 == var->vv.regoff);
- }
- s3 = var->vv.regoff;
- SPLIT_OPEN(t, s1, REG_ITMP1);
- SPLIT_LOAD(t, s1, cd->stackframesize);
- SPLIT_OPEN(t, s3, REG_ITMP1);
-
+ if (!md->params[i].inmemory) {
+ if (!(var->flags & INMEMORY)) {
if (IS_2_WORD_TYPE(t))
- M_LNGMOVE(s1, s3);
+ M_LNGMOVE(s1, var->vv.regoff);
else
- M_INTMOVE(s1, s3);
-
- SPLIT_STORE_AND_CLOSE(t, s3, cd->stackframesize);
+ M_INTMOVE(s1, var->vv.regoff);
}
- else { /* reg arg -> spilled */
- SPLIT_OPEN(t, s1, REG_ITMP1);
- SPLIT_LOAD(t, s1, cd->stackframesize);
-
+ else {
if (IS_2_WORD_TYPE(t))
- M_LST(s1, REG_SP, var->vv.regoff * 4);
+ M_LST(s1, REG_SP, var->vv.regoff);
else
- M_IST(s1, REG_SP, var->vv.regoff * 4);
- /* no SPLIT_CLOSE here because arg is fully spilled now */
+ M_IST(s1, REG_SP, var->vv.regoff);
}
}
else { /* stack arguments */
if (!(var->flags & INMEMORY)) { /* stack arg -> register */
if (IS_2_WORD_TYPE(t))
- M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
+ M_LLD(var->vv.regoff, REG_SP, cd->stackframesize + s1);
else
- M_ILD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
+ M_ILD(var->vv.regoff, REG_SP, cd->stackframesize + s1);
}
else { /* stack arg -> spilled */
/* Reuse Memory Position on Caller Stack */
}
}
#if !defined(ENABLE_SOFTFLOAT)
- } else { /* floating args */
- if (!md->params[i].inmemory) { /* register arguments */
- if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- SPLIT_OPEN(t, s1, REG_ITMP1);
- SPLIT_LOAD(t, s1, cd->stackframesize);
+ }
+ else {
+ if (!md->params[i].inmemory) {
+ if (!(var->flags & INMEMORY)) {
M_CAST_INT_TO_FLT_TYPED(t, s1, var->vv.regoff);
}
- else { /* reg arg -> spilled */
- SPLIT_OPEN(t, s1, REG_ITMP1);
- SPLIT_LOAD(t, s1, cd->stackframesize);
-
+ else {
if (IS_2_WORD_TYPE(t))
- M_LST(s1, REG_SP, var->vv.regoff * 4);
+ M_LST(s1, REG_SP, var->vv.regoff);
else
- M_IST(s1, REG_SP, var->vv.regoff * 4);
- /* no SPLIT_CLOSE here because arg is fully spilled now */
+ M_IST(s1, REG_SP, var->vv.regoff);
}
}
- else { /* stack arguments */
- if (!(var->flags & INMEMORY)) { /* stack arg -> register */
+ else {
+ if (!(var->flags & INMEMORY)) {
if (IS_2_WORD_TYPE(t))
- M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize + s1);
else
- M_FLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
+ M_FLD(var->vv.regoff, REG_SP, cd->stackframesize + s1);
}
- else { /* stack arg -> spilled */
+ else {
/* Reuse Memory Position on Caller Stack */
var->vv.regoff = cd->stackframesize + s1;
}
if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
/* stack offset for monitor argument */
- s1 = rd->memuse;
+ s1 = rd->memuse * 8;
# if !defined(NDEBUG)
if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
M_STMFD(BITMASK_ARGS, REG_SP);
- s1 += 4;
+ s1 += 4 * 4;
}
# endif
emit_nullpointer_check_force(cd, iptr, REG_A0);
}
- M_STR(REG_A0, REG_SP, s1 * 4);
+ M_STR(REG_A0, REG_SP, s1);
disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
M_DSEG_BRANCH(disp);
s1 = (s4) (cd->mcodeptr - cd->mcodebase);
/* end of header generation */
+ /* create replacement points */
+ REPLACEMENT_POINTS_INIT(cd, jd);
+
/* SECTION: ICMD Code Generation */
/* for all basic blocks */
codegen_resolve_branchrefs(cd, bptr);
+ /* handle replacement points */
+ REPLACEMENT_POINT_BLOCK_START(cd, bptr);
+
/* copy interface registers to their destination */
len = bptr->indepth;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_aconst,
- iptr->sx.val.c.ref,
- disp);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ iptr->sx.val.c.ref, disp);
if (opt_showdisassemble)
M_NOP;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
- M_ILD_INTERN(d, s1, OFFSET(java_arrayheader, size));
+ M_ILD_INTERN(d, s1, OFFSET(java_array_t, size));
emit_store_dst(jd, iptr, d);
break;
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP1, s1, s2); /* REG_ITMP1 = s1 + 1 * s2 */
- M_LDRSB(d, REG_ITMP1, OFFSET(java_bytearray, data[0]));
+ M_LDRSB(d, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 1)); /* REG_ITMP1 = s1 + 2 * s2 */
- M_LDRH(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
+ M_LDRH(d, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 1)); /* REG_ITMP1 = s1 + 2 * s2 */
- M_LDRSH(d, REG_ITMP1, OFFSET(java_shortarray, data[0]));
+ M_LDRSH(d, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 2)); /* REG_ITMP1 = s1 + 4 * s2 */
- M_ILD_INTERN(d, REG_ITMP1, OFFSET(java_intarray, data[0]));
+ M_ILD_INTERN(d, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP3, s1, REG_LSL(s2, 3)); /* REG_ITMP3 = s1 + 8 * s2 */
- M_LLD_INTERN(d, REG_ITMP3, OFFSET(java_longarray, data[0]));
+ M_LLD_INTERN(d, REG_ITMP3, OFFSET(java_longarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 2)); /* REG_ITMP1 = s1 + 4 * s2 */
#if !defined(ENABLE_SOFTFLOAT)
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD_INTERN(d, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+ M_FLD_INTERN(d, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
#else
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_ILD_INTERN(d, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+ M_ILD_INTERN(d, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
#endif
emit_store_dst(jd, iptr, d);
break;
M_ADD(REG_ITMP3, s1, REG_LSL(s2, 3)); /* REG_ITMP3 = s1 + 8 * s2 */
#if !defined(ENABLE_SOFTFLOAT)
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD_INTERN(d, REG_ITMP3, OFFSET(java_doublearray, data[0]));
+ M_DLD_INTERN(d, REG_ITMP3, OFFSET(java_doublearray_t, data[0]));
#else
d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- M_LLD_INTERN(d, REG_ITMP3, OFFSET(java_doublearray, data[0]));
+ M_LLD_INTERN(d, REG_ITMP3, OFFSET(java_doublearray_t, data[0]));
#endif
emit_store_dst(jd, iptr, d);
break;
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 2)); /* REG_ITMP1 = s1 + 4 * s2 */
- M_LDR_INTERN(d, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+ M_LDR_INTERN(d, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_ADD(REG_ITMP1, s1, s2); /* REG_ITMP1 = s1 + 1 * s2 */
- M_STRB(s3, REG_ITMP1, OFFSET(java_bytearray, data[0]));
+ M_STRB(s3, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
break;
case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 1)); /* REG_ITMP1 = s1 + 2 * s2 */
- M_STRH(s3, REG_ITMP1, OFFSET(java_chararray, data[0]));
+ M_STRH(s3, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
break;
case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 1)); /* REG_ITMP1 = s1 + 2 * s2 */
- M_STRH(s3, REG_ITMP1, OFFSET(java_shortarray, data[0]));
+ M_STRH(s3, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
break;
case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 2)); /* REG_ITMP1 = s1 + 4 * s2 */
- M_IST_INTERN(s3, REG_ITMP1, OFFSET(java_intarray, data[0]));
+ M_IST_INTERN(s3, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
break;
case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_ADD(REG_ITMP3, s1, REG_LSL(s2, 3)); /* REG_ITMP3 = s1 + 8 * s2 */
s3 = emit_load_s3(jd, iptr, REG_ITMP12_PACKED);
- M_LST_INTERN(s3, REG_ITMP3, OFFSET(java_longarray, data[0]));
+ M_LST_INTERN(s3, REG_ITMP3, OFFSET(java_longarray_t, data[0]));
break;
case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 2)); /* REG_ITMP1 = s1 + 4 * s2 */
#if !defined(ENABLE_SOFTFLOAT)
s3 = emit_load_s3(jd, iptr, REG_FTMP1);
- M_FST_INTERN(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+ M_FST_INTERN(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
#else
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- M_IST_INTERN(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+ M_IST_INTERN(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
#endif
break;
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 3)); /* REG_ITMP1 = s1 + 8 * s2 */
#if !defined(ENABLE_SOFTFLOAT)
s3 = emit_load_s3(jd, iptr, REG_FTMP1);
- M_DST_INTERN(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
+ M_DST_INTERN(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
#else
s3 = emit_load_s3(jd, iptr, REG_ITMP23_PACKED);
- M_LST_INTERN(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
+ M_LST_INTERN(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
#endif
break;
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_ADD(REG_ITMP1, s1, REG_LSL(s2, 2)); /* REG_ITMP1 = s1 + 4 * s2 */
- M_STR_INTERN(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+ M_STR_INTERN(s3, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
break;
case ICMD_GETSTATIC: /* ... ==> ..., value */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = dseg_add_unique_address(cd, NULL);
- disp = dseg_add_unique_address(cd, NULL);
-
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
if (opt_showdisassemble)
M_NOP;
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
+ disp = dseg_add_address(cd, fi->value);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
+ fi->class, 0);
if (opt_showdisassemble)
M_NOP;
}
-
- disp = dseg_add_address(cd, &(fi->value));
}
M_DSEG_LOAD(REG_ITMP3, disp);
case ICMD_PUTSTATIC: /* ..., value ==> ... */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = dseg_add_unique_address(cd, NULL);
- disp = dseg_add_unique_address(cd, NULL);
-
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
if (opt_showdisassemble)
M_NOP;
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
+ disp = dseg_add_address(cd, fi->value);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
+ fi->class, 0);
if (opt_showdisassemble)
M_NOP;
}
-
- disp = dseg_add_address(cd, &(fi->value));
}
M_DSEG_LOAD(REG_ITMP3, disp);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
disp = fi->offset;
}
#endif
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
+ /* XXX REMOVE ME */
+ uf = iptr->sx.s23.s3.uf;
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
if (opt_showdisassemble)
M_NOP;
-
- disp = 0;
}
switch (fieldtype) {
emit_nullpointer_check(cd, iptr, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
disp = fi->offset;
}
}
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
+ /* XXX REMOVE ME */
+ uf = iptr->sx.s23.s3.uf;
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
if (opt_showdisassemble)
M_NOP;
-
- disp = 0;
}
switch (fieldtype) {
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_INTMOVE(s1, REG_ITMP1_XPTR);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_athrow_areturn,
+ patcher_add_patch_ref(jd, PATCHER_resolve_class,
iptr->sx.s23.s2.uc, 0);
if (opt_showdisassemble)
case ICMD_FRETURN: /* ..., retvalue ==> ... */
#if !defined(ENABLE_SOFTFLOAT)
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
M_CAST_FLT_TO_INT_TYPED(VAROP(iptr->s1)->type, s1, REG_RESULT);
goto ICMD_RETURN_do;
case ICMD_IRETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_INTMOVE(s1, REG_RESULT);
goto ICMD_RETURN_do;
case ICMD_DRETURN: /* ..., retvalue ==> ... */
#if !defined(ENABLE_SOFTFLOAT)
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
M_CAST_FLT_TO_INT_TYPED(VAROP(iptr->s1)->type, s1, REG_RESULT_PACKED);
goto ICMD_RETURN_do;
case ICMD_LRETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT_PACKED);
M_LNGMOVE(s1, REG_RESULT_PACKED);
goto ICMD_RETURN_do;
case ICMD_ARETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_INTMOVE(s1, REG_RESULT);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_athrow_areturn,
+ patcher_add_patch_ref(jd, PATCHER_resolve_class,
iptr->sx.s23.s2.uc, 0);
if (opt_showdisassemble)
goto ICMD_RETURN_do;
case ICMD_RETURN: /* ... ==> ... */
+
+ REPLACEMENT_POINT_RETURN(cd, iptr);
ICMD_RETURN_do:
#if !defined(NDEBUG)
if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
/* stack offset for monitor argument */
- s1 = rd->memuse;
+ s1 = rd->memuse * 8;
/* we need to save the proper return value */
case ICMD_FRETURN: /* XXX TWISTI: is that correct? */
case ICMD_DRETURN:
M_STMFD(BITMASK_RESULT, REG_SP);
- s1 += 2;
+ s1 += 2 * 4;
break;
}
- M_LDR(REG_A0, REG_SP, s1 * 4);
+ M_LDR(REG_A0, REG_SP, s1);
disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
M_DSEG_BRANCH(disp);
/* deallocate stackframe for spilled variables */
- if ((cd->stackframesize - savedregs_num) > 0)
- M_ADD_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize - savedregs_num);
+ if ((cd->stackframesize / 4 - savedregs_num) > 0)
+ M_ADD_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize / 4 - savedregs_num);
/* restore callee saved registers + do return */
case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
case ICMD_INVOKEINTERFACE:
+ REPLACEMENT_POINT_INVOKE(cd, iptr);
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
lm = NULL;
um = iptr->sx.s23.s3.um;
if (IS_INT_LNG_TYPE(var->type)) {
#endif /* !defined(ENABLE_SOFTFLOAT) */
if (!md->params[s3].inmemory) {
- SPLIT_OPEN(var->type, s1, REG_ITMP2);
s1 = emit_load(jd, iptr, var, d);
if (IS_2_WORD_TYPE(var->type))
M_LNGMOVE(s1, d);
else
M_INTMOVE(s1, d);
-
- SPLIT_STORE_AND_CLOSE(var->type, d, 0);
}
else {
if (IS_2_WORD_TYPE(var->type)) {
s1 = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
- M_LST(s1, REG_SP, d * 4);
+ M_LST(s1, REG_SP, d);
}
else {
s1 = emit_load(jd, iptr, var, REG_ITMP1);
- M_IST(s1, REG_SP, d * 4);
+ M_IST(s1, REG_SP, d);
}
}
#if !defined(ENABLE_SOFTFLOAT)
else {
if (!md->params[s3].inmemory) {
s1 = emit_load(jd, iptr, var, REG_FTMP1);
- SPLIT_OPEN(var->type, d, REG_ITMP1);
M_CAST_FLT_TO_INT_TYPED(var->type, s1, d);
- SPLIT_STORE_AND_CLOSE(var->type, d, 0);
}
else {
s1 = emit_load(jd, iptr, var, REG_FTMP1);
if (IS_2_WORD_TYPE(var->type))
- M_DST(s1, REG_SP, d * 4);
+ M_DST(s1, REG_SP, d);
else
- M_FST(s1, REG_SP, d * 4);
+ M_FST(s1, REG_SP, d);
}
}
#endif /* !defined(ENABLE_SOFTFLOAT) */
if (lm == NULL) {
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_invokestatic_special,
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
um, disp);
if (opt_showdisassemble)
case ICMD_INVOKEVIRTUAL:
if (lm == NULL) {
- codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
if (opt_showdisassemble)
M_NOP;
/* implicit null-pointer check */
M_LDR_INTERN(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
+ OFFSET(java_object_t, vftbl));
M_LDR_INTERN(REG_PV, REG_METHODPTR, s1);
/* generate the actual call */
case ICMD_INVOKEINTERFACE:
if (lm == NULL) {
- codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
if (opt_showdisassemble)
M_NOP;
/* implicit null-pointer check */
M_LDR_INTERN(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
+ OFFSET(java_object_t, vftbl));
M_LDR_INTERN(REG_METHODPTR, REG_METHODPTR, s1);
M_LDR_INTERN(REG_PV, REG_METHODPTR, s2);
break;
}
+ /* store size of call code in replacement point */
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+
/* store return value */
d = md->returntype.type;
break;
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
- /* val.a: (classinfo*) superclass */
if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
/* object type cast-check */
superindex = super->index;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE))
+ CODEGEN_CRITICAL_SECTION_NEW;
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
/* if class is not resolved, check which code to call */
emit_label_beq(cd, BRANCH_LABEL_1);
disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, disp);
if (opt_showdisassemble)
/* interface checkcast code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if ((super == NULL) || !IS_IMM(superindex)) {
+ disp = dseg_add_unique_s4(cd, superindex);
+ }
if (super == NULL) {
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
- iptr->sx.s23.s3.c.ref, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_index,
+ iptr->sx.s23.s3.c.ref, disp);
if (opt_showdisassemble)
M_NOP;
emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_LDR_INTERN(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_LDR_INTERN(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_LDR_INTERN(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
- assert(IS_IMM(superindex));
- M_CMP_IMM(REG_ITMP3, superindex);
+
+ /* we put unresolved or non-immediate superindices onto dseg */
+ if ((super == NULL) || !IS_IMM(superindex)) {
+ /* disp was computed before we added the patcher */
+ M_DSEG_LOAD(REG_ITMP2, disp);
+ M_CMP(REG_ITMP3, REG_ITMP2);
+ } else {
+ assert(IS_IMM(superindex));
+ M_CMP_IMM(REG_ITMP3, superindex);
+ }
+
emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
- s2 = OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*);
+ /* if we loaded the superindex out of the dseg above, we do
+ things differently here! */
+ if ((super == NULL) || !IS_IMM(superindex)) {
+
+ M_LDR_INTERN(REG_ITMP3, s1, OFFSET(java_object_t, vftbl));
+
+ /* this assumes something */
+ assert(OFFSET(vftbl_t, interfacetable[0]) == 0);
+
+ /* this does: REG_ITMP3 - superindex * sizeof(methodptr*) */
+ assert(sizeof(methodptr*) == 4);
+ M_SUB(REG_ITMP2, REG_ITMP3, REG_LSL(REG_ITMP2, 2));
+
+ s2 = 0;
+
+ } else {
+
+ s2 = OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*);
+
+ }
M_LDR_INTERN(REG_ITMP3, REG_ITMP2, s2);
M_TST(REG_ITMP3, REG_ITMP3);
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_class,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_LDR_INTERN(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_LDR_INTERN(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_DSEG_LOAD(REG_ITMP3, disp);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_START;
+
M_LDR_INTERN(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_LDR_INTERN(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
M_SUB(REG_ITMP2, REG_ITMP2, REG_ITMP3);
M_DSEG_LOAD(REG_ITMP3, disp);
M_LDR_INTERN(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
+
M_CMP(REG_ITMP2, REG_ITMP3);
emit_classcast_check(cd, iptr, BRANCH_UGT, 0, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref,
disp);
break;
case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
- /* val.a: (classinfo*) superclass */
+
{
classinfo *super;
s4 superindex;
superindex = super->index;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE))
+ CODEGEN_CRITICAL_SECTION_NEW;
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
if (s1 == d) {
M_MOV(REG_ITMP1, s1);
s1 = REG_ITMP1;
emit_label_beq(cd, BRANCH_LABEL_1);
disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, disp);
if (opt_showdisassemble)
/* interface checkcast code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if ((super == NULL) || !IS_IMM(superindex)) {
+ disp = dseg_add_unique_s4(cd, superindex);
+ }
if (super == NULL) {
/* If d == REG_ITMP2, then it's destroyed in check
code above. */
if (d == REG_ITMP2)
M_EOR(d, d, d);
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
- iptr->sx.s23.s3.c.ref, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_index,
+ iptr->sx.s23.s3.c.ref, disp);
if (opt_showdisassemble)
M_NOP;
emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_LDR_INTERN(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_LDR_INTERN(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_LDR_INTERN(REG_ITMP3,
REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
- assert(IS_IMM(superindex));
- M_CMP_IMM(REG_ITMP3, superindex);
- M_BLE(2);
- s2 = OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*);
+ /* we put unresolved or non-immediate superindices onto dseg
+ and do things slightly different */
+ if ((super == NULL) || !IS_IMM(superindex)) {
+ /* disp was computed before we added the patcher */
+ M_DSEG_LOAD(REG_ITMP2, disp);
+ M_CMP(REG_ITMP3, REG_ITMP2);
+
+ if (d == REG_ITMP2) {
+ M_EORLE(d, d, d);
+ M_BLE(4);
+ } else {
+ M_BLE(3);
+ }
+
+ /* this assumes something */
+ assert(OFFSET(vftbl_t, interfacetable[0]) == 0);
+
+ /* this does: REG_ITMP3 - superindex * sizeof(methodptr*) */
+ assert(sizeof(methodptr*) == 4);
+ M_SUB(REG_ITMP1, REG_ITMP1, REG_LSL(REG_ITMP2, 2));
+
+ if (d == REG_ITMP2) {
+ M_EOR(d, d, d);
+ }
+
+ s2 = 0;
+
+ } else {
+ assert(IS_IMM(superindex));
+ M_CMP_IMM(REG_ITMP3, superindex);
+
+ M_BLE(2);
+
+ s2 = OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*);
+
+ }
M_LDR_INTERN(REG_ITMP3, REG_ITMP1, s2);
M_TST(REG_ITMP3, REG_ITMP3);
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_class,
- iptr->sx.s23.s3.c.ref,
- disp);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
+ iptr->sx.s23.s3.c.ref, disp);
if (opt_showdisassemble)
M_NOP;
emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_LDR_INTERN(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_LDR_INTERN(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_DSEG_LOAD(REG_ITMP2, disp);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_START;
+
M_LDR_INTERN(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
M_LDR_INTERN(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_LDR_INTERN(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
+
M_SUB(REG_ITMP1, REG_ITMP1, REG_ITMP3);
M_CMP(REG_ITMP1, REG_ITMP2);
/* If d == REG_ITMP2, then it's destroyed */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref, disp);
if (opt_showdisassemble)
dseg_createlinenumbertable(cd);
- /* generate stubs */
+ /* generate traps */
- emit_patcher_stubs(jd);
+ emit_patcher_traps(jd);
/* everything's ok */
/* calculate stackframe size */
- cd->stackframesize =
- 1 + /* return address */
- sizeof(stackframeinfo) / SIZEOF_VOID_P + /* stackframeinfo */
- sizeof(localref_table) / SIZEOF_VOID_P + /* localref_table */
- nmd->memuse; /* stack arguments */
+ cd->stackframesize =
+ 4 + /* return address */
+ sizeof(stackframeinfo) + /* stackframeinfo */
+ sizeof(localref_table) + /* localref_table */
+ nmd->memuse * 4; /* stack arguments */
/* align stack to 8-byte */
- cd->stackframesize = (cd->stackframesize + 1) & ~1;
+ cd->stackframesize = (cd->stackframesize + 4) & ~4;
/* 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, cd->stackframesize); /* 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 */
/* generate stub code */
M_STMFD(1<<REG_LR, REG_SP);
- M_SUB_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize - 1);
+ M_SUB_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize / 4 - 1);
#if !defined(NDEBUG)
if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
#if !defined(WITH_STATIC_CLASSPATH)
if (f == NULL) {
- codegen_addpatchref(cd, PATCHER_resolve_native, m, funcdisp);
+ patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
if (opt_showdisassemble)
M_NOP;
/* create native stackframe info */
- assert(IS_IMM(4*4 + cd->stackframesize * 4));
- M_ADD_IMM(REG_A0, REG_SP, 4*4 + cd->stackframesize * 4 - SIZEOF_VOID_P);
+ assert(IS_IMM(4*4 + cd->stackframesize));
+ M_ADD_IMM(REG_A0, REG_SP, 4*4 + cd->stackframesize - SIZEOF_VOID_P);
M_MOV(REG_A1, REG_PV);
- M_ADD_IMM(REG_A2, REG_SP, 4*4 + cd->stackframesize * 4);
- M_LDR_INTERN(REG_A3, REG_SP, 4*4 + cd->stackframesize * 4 - SIZEOF_VOID_P);
+ M_ADD_IMM(REG_A2, REG_SP, 4*4 + cd->stackframesize);
+ M_LDR_INTERN(REG_A3, REG_SP, 4*4 + cd->stackframesize - SIZEOF_VOID_P);
disp = dseg_add_functionptr(cd, codegen_start_native_call);
M_DSEG_BRANCH(disp);
if (!nmd->params[j].inmemory) {
#if !defined(__ARM_EABI__)
- SPLIT_OPEN(t, s1, REG_ITMP1);
- SPLIT_LOAD(t, s1, cd->stackframesize);
SPLIT_OPEN(t, s2, REG_ITMP1);
#endif
#endif
}
else {
-#if !defined(__ARM_EABI__)
- SPLIT_OPEN(t, s1, REG_ITMP1);
- SPLIT_LOAD(t, s1, cd->stackframesize);
-#endif
-
if (IS_2_WORD_TYPE(t))
- M_LST(s1, REG_SP, s2 * 4);
+ M_LST(s1, REG_SP, s2);
else
- M_IST(s1, REG_SP, s2 * 4);
- /* no SPLIT_CLOSE here because argument is fully on stack now */
+ M_IST(s1, REG_SP, s2);
}
}
else {
s2 = nmd->params[j].regoff;
if (IS_2_WORD_TYPE(t)) {
- M_LLD(REG_ITMP12_PACKED, REG_SP, s1 * 4);
- M_LST(REG_ITMP12_PACKED, REG_SP, s2 * 4);
+ M_LLD(REG_ITMP12_PACKED, REG_SP, s1);
+ M_LST(REG_ITMP12_PACKED, REG_SP, s2);
}
else {
- M_ILD(REG_ITMP1, REG_SP, s1 * 4);
- M_IST(REG_ITMP1, REG_SP, s2 * 4);
+ M_ILD(REG_ITMP1, REG_SP, s1);
+ M_IST(REG_ITMP1, REG_SP, s2);
}
}
}
M_STMFD(BITMASK_RESULT, REG_SP);
- M_ADD_IMM(REG_A0, REG_SP, 2*4 + cd->stackframesize * 4 - SIZEOF_VOID_P);
+ M_ADD_IMM(REG_A0, REG_SP, 2*4 + cd->stackframesize - SIZEOF_VOID_P);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
M_DSEG_BRANCH(disp);
s1 = (s4) (cd->mcodeptr - cd->mcodebase);
/* finish stub code, but do not yet return to caller */
- M_ADD_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize - 1);
+ M_ADD_IMM_EXT_MUL4(REG_SP, REG_SP, cd->stackframesize / 4 - 1);
M_LDMFD(1<<REG_LR, REG_SP);
/* check for exception */
/* generate patcher stubs */
- emit_patcher_stubs(jd);
+ emit_patcher_traps(jd);
}
projects / cacao.git / blobdiff