Christian Ullrich
Edwin Steiner
- $Id: codegen.c 5183 2006-07-26 15:20:15Z twisti $
+ $Id: codegen.c 5266 2006-08-23 12:57:41Z twisti $
*/
codegendata *cd;
registerdata *rd;
s4 len, s1, s2, s3, d, disp;
- s4 stackframesize;
stackptr src;
varinfo *var;
basicblock *bptr;
savedregs_num += (INT_SAV_CNT - rd->savintreguse);
savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
- stackframesize = rd->memuse + savedregs_num;
+ jd->stackframesize = rd->memuse + savedregs_num;
#if defined(ENABLE_THREADS) /* space to save argument of monitor_enter */
if (checksync && (m->flags & ACC_SYNCHRONIZED))
- stackframesize++;
+ jd->stackframesize++;
#endif
/* create method header */
#if 0
- stackframesize = (stackframesize + 1) & ~1; /* align stack to 16-bytes */
+ jd->stackframesize = (jd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
#endif
- (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
- (void) dseg_adds4(cd, stackframesize * 8); /* FrameSize */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, jd->stackframesize * 8); /* FrameSize */
#if defined(ENABLE_THREADS)
/* IsSync contains the offset relative to the stack pointer for the
*/
if (checksync && (m->flags & ACC_SYNCHRONIZED))
- (void) dseg_adds4(cd, (rd->memuse + 1) * 8); /* IsSync */
+ (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync */
else
#endif
- (void) dseg_adds4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, 0); /* IsSync */
- (void) dseg_adds4(cd, jd->isleafmethod); /* IsLeaf */
- (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
- (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
+ (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
+ (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
dseg_addlinenumbertablesize(cd);
- (void) dseg_adds4(cd, cd->exceptiontablelength); /* ExTableSize */
+ (void) dseg_add_unique_s4(cd, cd->exceptiontablelength); /* ExTableSize */
/* create exception table */
for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
- dseg_addtarget(cd, ex->start);
- dseg_addtarget(cd, ex->end);
- dseg_addtarget(cd, ex->handler);
- (void) dseg_addaddress(cd, ex->catchtype.cls);
+ dseg_add_target(cd, ex->start);
+ dseg_add_target(cd, ex->end);
+ dseg_add_target(cd, ex->handler);
+ (void) dseg_add_unique_address(cd, ex->catchtype.cls);
}
/* create stack frame (if necessary) */
- if (stackframesize)
- M_LDA(REG_SP, REG_SP, -stackframesize * 8);
+ if (jd->stackframesize)
+ M_LDA(REG_SP, REG_SP, -(jd->stackframesize * 8));
/* save return address and used callee saved registers */
- p = stackframesize;
+ p = jd->stackframesize;
if (!jd->isleafmethod) {
p--; M_AST(REG_RA, REG_SP, p * 8);
}
} else { /* stack arguments */
if (!(var->flags & INMEMORY)) { /* stack arg -> register */
- M_LLD(var->regoff, REG_SP, (stackframesize + s1) * 8);
+ M_LLD(var->regoff, REG_SP, (jd->stackframesize + s1) * 8);
} else { /* stack arg -> spilled */
- var->regoff = stackframesize + s1;
+ var->regoff = jd->stackframesize + s1;
}
}
} else { /* stack arguments */
if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
- M_DLD(var->regoff, REG_SP, (stackframesize + s1) * 8);
+ M_DLD(var->regoff, REG_SP, (jd->stackframesize + s1) * 8);
} else { /* stack-arg -> spilled */
- var->regoff = stackframesize + s1;
+ var->regoff = jd->stackframesize + s1;
}
}
}
/* decide which monitor enter function to call */
if (m->flags & ACC_STATIC) {
- disp = dseg_addaddress(cd, &m->class->object.header);
+ disp = dseg_add_address(cd, &m->class->object.header);
M_ALD(rd->argintregs[0], REG_PV, disp);
}
else {
}
M_AST(rd->argintregs[0], REG_SP, s1 * 8);
- disp = dseg_addaddress(cd, LOCK_monitor_enter);
+ disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
}
}
- disp = dseg_addaddress(cd, m);
+ disp = dseg_add_address(cd, m);
M_ALD(REG_ITMP1, REG_PV, disp);
M_AST(REG_ITMP1, REG_SP, 0 * 8);
- disp = dseg_addaddress(cd, (void *) builtin_trace_args);
+ disp = dseg_add_functionptr(cd, builtin_trace_args);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
/* op1 = 0, val.f = constant */
d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
- disp = dseg_addfloat(cd, iptr->val.f);
+ disp = dseg_add_float(cd, iptr->val.f);
M_FLD(d, REG_PV, disp);
emit_store(jd, iptr, iptr->dst, d);
break;
/* op1 = 0, val.d = constant */
d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
- disp = dseg_adddouble(cd, iptr->val.d);
+ disp = dseg_add_double(cd, iptr->val.d);
M_DLD(d, REG_PV, disp);
emit_store(jd, iptr, iptr->dst, d);
break;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
constant_classref *cr = ICMD_ACONST_UNRESOLVED_CLASSREF(iptr);
- disp = dseg_addaddress(cd, cr);
+ disp = dseg_add_unique_address(cd, cr);
/* XXX Only add the patcher, if this position needs to
be patched. If there was a previous position which
if (iptr->val.a == NULL)
M_INTMOVE(REG_ZERO, d);
else {
- disp = dseg_addaddress(cd, iptr->val.a);
+ disp = dseg_add_address(cd, iptr->val.a);
M_ALD(d, REG_PV, disp);
}
}
M_MOV(s1, rd->argintregs[0]);
M_MOV(s2, rd->argintregs[1]);
bte = iptr->val.a;
- disp = dseg_addaddress(cd, bte->fp);
+ disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_MOV(s1, rd->argintregs[0]);
M_MOV(s2, rd->argintregs[1]);
bte = iptr->val.a;
- disp = dseg_addaddress(cd, bte->fp);
+ disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
case ICMD_L2F:
s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
- disp = dseg_adddouble(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
M_LST(s1, REG_PV, disp);
M_DLD(d, REG_PV, disp);
M_CVTLF(d, d);
case ICMD_L2D:
s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
- disp = dseg_adddouble(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
M_LST(s1, REG_PV, disp);
M_DLD(d, REG_PV, disp);
M_CVTLD(d, d);
case ICMD_D2I:
s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP3);
- disp = dseg_adddouble(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
M_CVTDL_C(s1, REG_FTMP2);
M_CVTLI(REG_FTMP2, REG_FTMP3);
M_DST(REG_FTMP3, REG_PV, disp);
case ICMD_D2L:
s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP3);
- disp = dseg_adddouble(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
M_CVTDL_C(s1, REG_FTMP2);
M_DST(REG_FTMP2, REG_PV, disp);
M_LLD(d, REG_PV, disp);
M_MOV(s1, rd->argintregs[0]);
M_MOV(s3, rd->argintregs[1]);
- disp = dseg_addaddress(cd, BUILTIN_canstore);
+ disp = dseg_add_functionptr(cd, BUILTIN_canstore);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
unresolved_field *uf = INSTRUCTION_UNRESOLVED_FIELD(iptr);
- disp = dseg_addaddress(cd, uf);
+ disp = dseg_add_unique_address(cd, uf);
codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
else {
fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr);
- disp = dseg_addaddress(cd, &(fi->value));
+ disp = dseg_add_address(cd, &(fi->value));
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
unresolved_field *uf = INSTRUCTION_UNRESOLVED_FIELD(iptr);
- disp = dseg_addaddress(cd, uf);
+ disp = dseg_add_unique_address(cd, uf);
codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
else {
fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr);
- disp = dseg_addaddress(cd, &(fi->value));
+ disp = dseg_add_address(cd, &(fi->value));
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
if (INSTRUCTION_IS_UNRESOLVED(iptr + 1)) {
unresolved_field *uf = INSTRUCTION_UNRESOLVED_FIELD(iptr + 1);
- disp = dseg_addaddress(cd, uf);
+ disp = dseg_add_unique_address(cd, uf);
codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
else {
fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr + 1);
- disp = dseg_addaddress(cd, &(fi->value));
+ disp = dseg_add_address(cd, &(fi->value));
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
}
#endif /* ENABLE_VERIFIER */
- disp = dseg_addaddress(cd, asm_handle_exception);
+ disp = dseg_add_functionptr(cd, asm_handle_exception);
M_ALD(REG_ITMP2, REG_PV, disp);
M_JMP(REG_ITMP2_XPC, REG_ITMP2);
M_NOP; /* nop ensures that XPC is less than the end */
{
s4 i, p;
- p = stackframesize;
+ p = jd->stackframesize;
/* call trace function */
M_LST(REG_RESULT, REG_SP, 1 * 8);
M_DST(REG_FRESULT, REG_SP, 2 * 8);
- disp = dseg_addaddress(cd, m);
+ disp = dseg_add_address(cd, m);
M_ALD(rd->argintregs[0], REG_PV, disp);
M_MOV(REG_RESULT, rd->argintregs[1]);
M_FLTMOVE(REG_FRESULT, rd->argfltregs[2]);
M_FLTMOVE(REG_FRESULT, rd->argfltregs[3]);
- disp = dseg_addaddress(cd, (void *) builtin_displaymethodstop);
+ disp = dseg_add_functionptr(cd, builtin_displaymethodstop);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
break;
}
- disp = dseg_addaddress(cd, LOCK_monitor_exit);
+ disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = -(s4) (cd->mcodeptr - cd->mcodebase);
/* deallocate stack */
- if (stackframesize)
- M_LDA(REG_SP, REG_SP, stackframesize * 8);
+ if (jd->stackframesize)
+ M_LDA(REG_SP, REG_SP, jd->stackframesize * 8);
M_RET(REG_ZERO, REG_RA);
ALIGNCODENOP;
tptr += i;
while (--i >= 0) {
- dseg_addtarget(cd, (basicblock *) tptr[0]);
+ dseg_add_target(cd, (basicblock *) tptr[0]);
--tptr;
}
}
- /* length of dataseg after last dseg_addtarget is used by load */
+ /* length of dataseg after last dseg_add_target is used by load */
M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
if ((val >= -32768) && (val <= 32767)) {
M_LDA(REG_ITMP2, REG_ZERO, val);
} else {
- disp = dseg_adds4(cd, val);
+ disp = dseg_add_s4(cd, val);
M_ILD(REG_ITMP2, REG_PV, disp);
}
M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
switch (iptr->opc) {
case ICMD_BUILTIN:
- disp = dseg_addaddress(cd, bte->fp);
+ disp = dseg_add_functionptr(cd, bte->fp);
d = md->returntype.type;
M_ALD(REG_PV, REG_PV, disp); /* Pointer to built-in-function */
if (lm == NULL) {
unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
- disp = dseg_addaddress(cd, um);
+ disp = dseg_add_unique_address(cd, um);
codegen_addpatchref(cd, PATCHER_invokestatic_special,
um, disp);
d = um->methodref->parseddesc.md->returntype.type;
}
else {
- disp = dseg_addaddress(cd, lm->stubroutine);
+ disp = dseg_add_address(cd, lm->stubroutine);
d = lm->parseddesc->returntype.type;
}
if (super == NULL) {
M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
- disp = dseg_adds4(cd, 0); /* super->flags */
+ disp = dseg_add_unique_s4(cd, 0); /* super->flags */
codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
(constant_classref *) iptr->target,
M_NOP;
M_ILD(REG_ITMP2, REG_PV, disp);
- disp = dseg_adds4(cd, ACC_INTERFACE);
+ disp = dseg_add_s4(cd, ACC_INTERFACE);
M_ILD(REG_ITMP3, REG_PV, disp);
M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
M_BEQZ(REG_ITMP2, s2 + 1);
/* class checkcast code */
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- disp = dseg_addaddress(cd, supervftbl);
-
if (super == NULL) {
+ disp = dseg_add_unique_address(cd, NULL);
+
codegen_addpatchref(cd,
PATCHER_checkcast_instanceof_class,
(constant_classref *) iptr->target,
if (opt_showdisassemble)
M_NOP;
}
- else
+ else {
+ disp = dseg_add_address(cd, supervftbl);
+
M_BEQZ(s1, s3);
+ }
M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
M_ALD(REG_ITMP3, REG_PV, disp);
M_CLR(d);
M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
- disp = dseg_adds4(cd, 0); /* super->flags */
+ disp = dseg_add_unique_s4(cd, 0); /* super->flags */
codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
(constant_classref *) iptr->target, disp);
M_ILD(REG_ITMP3, REG_PV, disp);
- disp = dseg_adds4(cd, ACC_INTERFACE);
+ disp = dseg_add_s4(cd, ACC_INTERFACE);
M_ILD(REG_ITMP2, REG_PV, disp);
M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
M_BEQZ(REG_ITMP3, s2 + 1);
/* class instanceof code */
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- disp = dseg_addaddress(cd, supervftbl);
-
if (super == NULL) {
+ disp = dseg_add_unique_address(cd, NULL);
+
codegen_addpatchref(cd, PATCHER_checkcast_instanceof_class,
(constant_classref *) iptr->target,
disp);
M_NOP;
}
else {
+ disp = dseg_add_address(cd, supervftbl);
+
M_CLR(d);
M_BEQZ(s1, s3);
}
/* is patcher function set? */
if (iptr->val.a == NULL) {
- disp = dseg_addaddress(cd, 0);
+ disp = dseg_add_unique_address(cd, 0);
codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
(constant_classref *) iptr->target,
M_NOP;
}
else
- disp = dseg_addaddress(cd, iptr->val.a);
+ disp = dseg_add_address(cd, iptr->val.a);
/* a1 = arraydescriptor */
M_INTMOVE(REG_SP, rd->argintregs[2]);
- disp = dseg_addaddress(cd, BUILTIN_multianewarray);
+ disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
dseg_createlinenumbertable(cd);
+ /* generate stubs */
- /* generate exception and patcher stubs */
-
- {
- exceptionref *eref;
- patchref *pref;
- u4 mcode;
- u1 *savedmcodeptr;
- u1 *tmpmcodeptr;
-
- savedmcodeptr = NULL;
-
- /* generate exception stubs */
-
- for (eref = cd->exceptionrefs; eref != NULL; eref = eref->next) {
- gen_resolvebranch(cd->mcodebase + eref->branchpos,
- eref->branchpos, cd->mcodeptr - cd->mcodebase);
-
- MCODECHECK(100);
-
- /* move index register into REG_ITMP1 */
-
- /* Check if the exception is an
- ArrayIndexOutOfBoundsException. If so, move index register
- into a4. */
-
- if (eref->reg != -1)
- M_MOV(eref->reg, rd->argintregs[4]);
-
- /* calcuate exception address */
-
- M_LDA(rd->argintregs[3], REG_PV, eref->branchpos - 4);
-
- /* move function to call into REG_ITMP3 */
-
- disp = dseg_addaddress(cd, eref->function);
- M_ALD(REG_ITMP3, REG_PV, disp);
-
- if (savedmcodeptr != NULL) {
- disp = ((u4 *) savedmcodeptr) - (((u4 *) cd->mcodeptr) + 1);
- M_BR(disp);
-
- } else {
- savedmcodeptr = cd->mcodeptr;
-
- M_MOV(REG_PV, rd->argintregs[0]);
- M_MOV(REG_SP, rd->argintregs[1]);
-
- if (jd->isleafmethod)
- M_MOV(REG_RA, rd->argintregs[2]);
- else
- M_ALD(rd->argintregs[2],
- REG_SP, stackframesize * 8 - SIZEOF_VOID_P);
-
- M_LDA(REG_SP, REG_SP, -2 * 8);
- M_AST(rd->argintregs[3], REG_SP, 0 * 8); /* store XPC */
-
- if (jd->isleafmethod)
- M_AST(REG_RA, REG_SP, 1 * 8);
-
- M_MOV(REG_ITMP3, REG_PV);
- M_JSR(REG_RA, REG_PV);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp);
-
- M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
- if (jd->isleafmethod)
- M_ALD(REG_RA, REG_SP, 1 * 8);
-
- M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
- M_LDA(REG_SP, REG_SP, 2 * 8);
-
- disp = dseg_addaddress(cd, asm_handle_exception);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_JMP(REG_ZERO, REG_ITMP3);
- }
- }
-
-
- /* generate code patching stub call code */
-
- for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
- /* check code segment size */
-
- MCODECHECK(100);
-
- /* Get machine code which is patched back in later. The
- call is 1 instruction word long. */
-
- tmpmcodeptr = (u1 *) (cd->mcodebase + pref->branchpos);
-
- mcode = *((u4 *) tmpmcodeptr);
-
- /* Patch in the call to call the following code (done at
- compile time). */
-
- savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
- cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
-
- disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
- M_BSR(REG_ITMP3, disp);
-
- cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
-
- /* create stack frame */
-
- M_LSUB_IMM(REG_SP, 6 * 8, REG_SP);
-
- /* move return address onto stack */
-
- M_AST(REG_ITMP3, REG_SP, 5 * 8);
-
- /* move pointer to java_objectheader onto stack */
-
-#if defined(ENABLE_THREADS)
- /* create a virtual java_objectheader */
-
- (void) dseg_addaddress(cd, NULL); /* flcword */
- (void) dseg_addaddress(cd, lock_get_initial_lock_word()); /* monitorPtr */
- disp = dseg_addaddress(cd, NULL); /* vftbl */
-
- M_LDA(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 4 * 8);
-#else
- /* do nothing */
-#endif
-
- /* move machine code onto stack */
-
- disp = dseg_adds4(cd, mcode);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST(REG_ITMP3, REG_SP, 3 * 8);
-
- /* move class/method/field reference onto stack */
-
- disp = dseg_addaddress(cd, pref->ref);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 2 * 8);
-
- /* move data segment displacement onto stack */
-
- disp = dseg_adds4(cd, pref->disp);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST(REG_ITMP3, REG_SP, 1 * 8);
-
- /* move patcher function pointer onto stack */
-
- disp = dseg_addaddress(cd, pref->patcher);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 0 * 8);
-
- disp = dseg_addaddress(cd, asm_patcher_wrapper);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_JMP(REG_ZERO, REG_ITMP3);
- }
-
- /* generate replacement-out stubs */
-
- {
- int i;
-
- replacementpoint = jd->code->rplpoints;
-
- for (i = 0; i < jd->code->rplpointcount; ++i, ++replacementpoint) {
- /* check code segment size */
-
- MCODECHECK(100);
-
- /* note start of stub code */
-
- replacementpoint->outcode = (u1 *) (ptrint) (cd->mcodeptr - cd->mcodebase);
-
- /* make machine code for patching */
-
- savedmcodeptr = cd->mcodeptr;
- cd->mcodeptr = (u1 *) &(replacementpoint->mcode);
-
- disp = (ptrint)((s4*)replacementpoint->outcode - (s4*)replacementpoint->pc) - 1;
- M_BR(disp);
-
- cd->mcodeptr = savedmcodeptr;
-
- /* create stack frame - 16-byte aligned */
-
- M_LSUB_IMM(REG_SP, 2 * 8, REG_SP);
-
- /* push address of `rplpoint` struct */
-
- disp = dseg_addaddress(cd, replacementpoint);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 0 * 8);
-
- /* jump to replacement function */
-
- disp = dseg_addaddress(cd, asm_replacement_out);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_JMP(REG_ZERO, REG_ITMP3);
- }
- }
- }
+ emit_exception_stubs(jd);
+ emit_patcher_stubs(jd);
+ emit_replacement_stubs(jd);
codegen_finish(jd);
codeinfo *code;
codegendata *cd;
registerdata *rd;
- s4 stackframesize; /* size of stackframe if needed */
methoddesc *md;
s4 nativeparams;
s4 i, j; /* count variables */
/* calculate stack frame size */
- stackframesize =
+ jd->stackframesize =
1 + /* return address */
sizeof(stackframeinfo) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
/* create method header */
- (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
- (void) dseg_adds4(cd, stackframesize * 8); /* FrameSize */
- (void) dseg_adds4(cd, 0); /* IsSync */
- (void) dseg_adds4(cd, 0); /* IsLeaf */
- (void) dseg_adds4(cd, 0); /* IntSave */
- (void) dseg_adds4(cd, 0); /* FltSave */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, jd->stackframesize * 8); /* 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_adds4(cd, 0); /* ExTableSize */
+ (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
/* generate stub code */
- M_LDA(REG_SP, REG_SP, -stackframesize * 8);
- M_AST(REG_RA, REG_SP, stackframesize * 8 - SIZEOF_VOID_P);
+ M_LDA(REG_SP, REG_SP, -(jd->stackframesize * 8));
+ M_AST(REG_RA, REG_SP, jd->stackframesize * 8 - SIZEOF_VOID_P);
/* call trace function */
}
}
- disp = dseg_addaddress(cd, m);
+ disp = dseg_add_address(cd, m);
M_ALD(REG_ITMP1, REG_PV, disp);
M_AST(REG_ITMP1, REG_SP, 0 * 8);
- disp = dseg_addaddress(cd, builtin_trace_args);
+ disp = dseg_add_functionptr(cd, builtin_trace_args);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
/* get function address (this must happen before the stackframeinfo) */
- funcdisp = dseg_addaddress(cd, f);
+ funcdisp = dseg_add_functionptr(cd, f);
#if !defined(WITH_STATIC_CLASSPATH)
if (f == NULL) {
/* prepare data structures for native function call */
- M_LDA(rd->argintregs[0], REG_SP, stackframesize * 8 - SIZEOF_VOID_P);
+ M_LDA(rd->argintregs[0], REG_SP, jd->stackframesize * 8 - SIZEOF_VOID_P);
M_MOV(REG_PV, rd->argintregs[1]);
- M_LDA(rd->argintregs[2], REG_SP, stackframesize * 8);
- M_ALD(rd->argintregs[3], REG_SP, stackframesize * 8 - SIZEOF_VOID_P);
- disp = dseg_addaddress(cd, codegen_start_native_call);
+ M_LDA(rd->argintregs[2], REG_SP, jd->stackframesize * 8);
+ M_ALD(rd->argintregs[3], REG_SP, jd->stackframesize * 8 - SIZEOF_VOID_P);
+ disp = dseg_add_functionptr(cd, codegen_start_native_call);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
}
} else {
- s1 = md->params[i].regoff + stackframesize;
+ s1 = md->params[i].regoff + jd->stackframesize;
s2 = nmd->params[j].regoff;
M_LLD(REG_ITMP1, REG_SP, s1 * 8);
M_LST(REG_ITMP1, REG_SP, s2 * 8);
}
} else {
- s1 = md->params[i].regoff + stackframesize;
+ s1 = md->params[i].regoff + jd->stackframesize;
s2 = nmd->params[j].regoff;
M_DLD(REG_FTMP1, REG_SP, s1 * 8);
if (IS_2_WORD_TYPE(t))
/* put class into second argument register */
if (m->flags & ACC_STATIC) {
- disp = dseg_addaddress(cd, m->class);
+ disp = dseg_add_address(cd, m->class);
M_ALD(rd->argintregs[1], REG_PV, disp);
}
/* put env into first argument register */
- disp = dseg_addaddress(cd, _Jv_env);
+ disp = dseg_add_address(cd, _Jv_env);
M_ALD(rd->argintregs[0], REG_PV, disp);
/* do the native function call */
M_DLD(REG_FRESULT, REG_SP, 0 * 8);
}
- disp = dseg_addaddress(cd, m);
+ disp = dseg_add_address(cd, m);
M_ALD(rd->argintregs[0], REG_PV, disp);
M_MOV(REG_RESULT, rd->argintregs[1]);
M_FMOV(REG_FRESULT, rd->argfltregs[2]);
M_FMOV(REG_FRESULT, rd->argfltregs[3]);
- disp = dseg_addaddress(cd, builtin_displaymethodstop);
+ disp = dseg_add_functionptr(cd, builtin_displaymethodstop);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
/* remove native stackframe info */
- M_LDA(rd->argintregs[0], REG_SP, stackframesize * 8 - SIZEOF_VOID_P);
- disp = dseg_addaddress(cd, codegen_finish_native_call);
+ M_LDA(rd->argintregs[0], REG_SP, jd->stackframesize * 8 - SIZEOF_VOID_P);
+ disp = dseg_add_functionptr(cd, codegen_finish_native_call);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_DLD(REG_FRESULT, REG_SP, 0 * 8);
}
- M_ALD(REG_RA, REG_SP, (stackframesize - 1) * 8); /* load return address */
- M_LDA(REG_SP, REG_SP, stackframesize * 8);
+ M_ALD(REG_RA, REG_SP, (jd->stackframesize - 1) * 8); /* get RA */
+ M_LDA(REG_SP, REG_SP, jd->stackframesize * 8);
/* check for exception */
M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address */
- disp = dseg_addaddress(cd, asm_handle_nat_exception);
+ disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
M_ALD(REG_ITMP3, REG_PV, disp); /* load asm exception handler address */
M_JMP(REG_ZERO, REG_ITMP3); /* jump to asm exception handler */
- /* process patcher calls **************************************************/
+ /* generate patcher stubs */
- {
- patchref *pref;
- u4 mcode;
- u1 *savedmcodeptr;
- u1 *tmpmcodeptr;
-
- /* there can only be one <clinit> ref entry */
-
- pref = cd->patchrefs;
-
- for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
- /* Get machine code which is patched back in later. The
- call is 1 instruction word long. */
-
- tmpmcodeptr = (u1 *) (cd->mcodebase + pref->branchpos);
-
- mcode = *((u4 *) tmpmcodeptr);
-
- /* Patch in the call to call the following code (done at
- compile time). */
-
- savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
- cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
-
- disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
- M_BSR(REG_ITMP3, disp);
-
- cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
-
- /* create stack frame */
-
- M_LSUB_IMM(REG_SP, 6 * 8, REG_SP);
-
- /* move return address onto stack */
-
- M_AST(REG_ITMP3, REG_SP, 5 * 8);
-
- /* move pointer to java_objectheader onto stack */
-
-#if defined(ENABLE_THREADS)
- /* create a virtual java_objectheader */
-
- (void) dseg_addaddress(cd, NULL); /* flcword */
- (void) dseg_addaddress(cd, lock_get_initial_lock_word()); /* monitorPtr */
- disp = dseg_addaddress(cd, NULL); /* vftbl */
-
- M_LDA(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 4 * 8);
-#else
- M_AST(REG_ZERO, REG_SP, 4 * 8);
-#endif
-
- /* move machine code onto stack */
-
- disp = dseg_adds4(cd, mcode);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST(REG_ITMP3, REG_SP, 3 * 8);
-
- /* move class/method/field reference onto stack */
-
- disp = dseg_addaddress(cd, pref->ref);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 2 * 8);
-
- /* move data segment displacement onto stack */
-
- disp = dseg_adds4(cd, pref->disp);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST(REG_ITMP3, REG_SP, 1 * 8);
-
- /* move patcher function pointer onto stack */
-
- disp = dseg_addaddress(cd, pref->patcher);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 0 * 8);
-
- disp = dseg_addaddress(cd, asm_patcher_wrapper);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_JMP(REG_ZERO, REG_ITMP3);
- }
- }
+ emit_patcher_stubs(jd);
codegen_finish(jd);
*/
+#include "config.h"
#include "vm/types.h"
#include "md-abi.h"
+#include "vm/jit/alpha/codegen.h"
+
+#if defined(ENABLE_THREADS)
+# include "threads/native/lock.h"
+#endif
+
+#include "vm/jit/asmpart.h"
+#include "vm/jit/dseg.h"
#include "vm/jit/emit.h"
#include "vm/jit/jit.h"
-#include "vm/jit/alpha/codegen.h"
/* code generation functions **************************************************/
}
+/* emit_exception_stubs ********************************************************
+
+ Generates the code for the exception stubs.
+
+*******************************************************************************/
+
+void emit_exception_stubs(jitdata *jd)
+{
+ codegendata *cd;
+ registerdata *rd;
+ exceptionref *eref;
+ u1 *savedmcodeptr;
+ s4 disp;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+ rd = jd->rd;
+
+ savedmcodeptr = NULL;
+
+ /* generate exception stubs */
+
+ for (eref = cd->exceptionrefs; eref != NULL; eref = eref->next) {
+ gen_resolvebranch(cd->mcodebase + eref->branchpos,
+ eref->branchpos, cd->mcodeptr - cd->mcodebase);
+
+ MCODECHECK(100);
+
+ /* move index register into REG_ITMP1 */
+
+ /* Check if the exception is an
+ ArrayIndexOutOfBoundsException. If so, move index register
+ into a4. */
+
+ if (eref->reg != -1)
+ M_MOV(eref->reg, rd->argintregs[4]);
+
+ /* calcuate exception address */
+
+ M_LDA(rd->argintregs[3], REG_PV, eref->branchpos - 4);
+
+ /* move function to call into REG_ITMP3 */
+
+ disp = dseg_add_functionptr(cd, eref->function);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+
+ if (savedmcodeptr != NULL) {
+ disp = ((u4 *) savedmcodeptr) - (((u4 *) cd->mcodeptr) + 1);
+ M_BR(disp);
+ }
+ else {
+ savedmcodeptr = cd->mcodeptr;
+
+ M_MOV(REG_PV, rd->argintregs[0]);
+ M_MOV(REG_SP, rd->argintregs[1]);
+
+ if (jd->isleafmethod)
+ M_MOV(REG_RA, rd->argintregs[2]);
+ else
+ M_ALD(rd->argintregs[2],
+ REG_SP, jd->stackframesize * 8 - SIZEOF_VOID_P);
+
+ M_LDA(REG_SP, REG_SP, -2 * 8);
+ M_AST(rd->argintregs[3], REG_SP, 0 * 8); /* store XPC */
+
+ if (jd->isleafmethod)
+ M_AST(REG_RA, REG_SP, 1 * 8);
+
+ M_MOV(REG_ITMP3, REG_PV);
+ M_JSR(REG_RA, REG_PV);
+ disp = (s4) (cd->mcodeptr - cd->mcodebase);
+ M_LDA(REG_PV, REG_RA, -disp);
+
+ M_MOV(REG_RESULT, REG_ITMP1_XPTR);
+
+ if (jd->isleafmethod)
+ M_ALD(REG_RA, REG_SP, 1 * 8);
+
+ M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
+ M_LDA(REG_SP, REG_SP, 2 * 8);
+
+ disp = dseg_add_functionptr(cd, asm_handle_exception);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_JMP(REG_ZERO, REG_ITMP3);
+ }
+ }
+}
+
+
+/* emit_patcher_stubs **********************************************************
+
+ Generates the code for the patcher stubs.
+
+*******************************************************************************/
+
+void emit_patcher_stubs(jitdata *jd)
+{
+ codegendata *cd;
+ patchref *pref;
+ u4 mcode;
+ u1 *savedmcodeptr;
+ u1 *tmpmcodeptr;
+ s4 disp;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+
+ /* generate code patching stub call code */
+
+ for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
+ /* check code segment size */
+
+ MCODECHECK(100);
+
+ /* Get machine code which is patched back in later. The
+ call is 1 instruction word long. */
+
+ tmpmcodeptr = (u1 *) (cd->mcodebase + pref->branchpos);
+
+ mcode = *((u4 *) tmpmcodeptr);
+
+ /* Patch in the call to call the following code (done at
+ compile time). */
+
+ savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
+ cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
+
+ disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
+ M_BSR(REG_ITMP3, disp);
+
+ cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
+
+ /* create stack frame */
+
+ M_LSUB_IMM(REG_SP, 6 * 8, REG_SP);
+
+ /* move return address onto stack */
+
+ M_AST(REG_ITMP3, REG_SP, 5 * 8);
+
+ /* move pointer to java_objectheader onto stack */
+
+#if defined(ENABLE_THREADS)
+ /* create a virtual java_objectheader */
+
+ (void) dseg_add_unique_address(cd, NULL); /* flcword */
+ (void) dseg_add_unique_address(cd, lock_get_initial_lock_word());
+ disp = dseg_add_unique_address(cd, NULL); /* vftbl */
+
+ M_LDA(REG_ITMP3, REG_PV, disp);
+ M_AST(REG_ITMP3, REG_SP, 4 * 8);
+#else
+ M_AST(REG_ZERO, REG_SP, 4 * 8);
+#endif
+
+ /* move machine code onto stack */
+
+ disp = dseg_add_s4(cd, mcode);
+ M_ILD(REG_ITMP3, REG_PV, disp);
+ M_IST(REG_ITMP3, REG_SP, 3 * 8);
+
+ /* move class/method/field reference onto stack */
+
+ disp = dseg_add_address(cd, pref->ref);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_AST(REG_ITMP3, REG_SP, 2 * 8);
+
+ /* move data segment displacement onto stack */
+
+ disp = dseg_add_s4(cd, pref->disp);
+ M_ILD(REG_ITMP3, REG_PV, disp);
+ M_IST(REG_ITMP3, REG_SP, 1 * 8);
+
+ /* move patcher function pointer onto stack */
+
+ disp = dseg_add_functionptr(cd, pref->patcher);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_AST(REG_ITMP3, REG_SP, 0 * 8);
+
+ disp = dseg_add_functionptr(cd, asm_patcher_wrapper);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_JMP(REG_ZERO, REG_ITMP3);
+ }
+}
+
+
+/* emit_replacement_stubs ******************************************************
+
+ Generates the code for the replacement stubs.
+
+*******************************************************************************/
+
+void emit_replacement_stubs(jitdata *jd)
+{
+ codegendata *cd;
+ codeinfo *code;
+ rplpoint *rplp;
+ u1 *savedmcodeptr;
+ s4 disp;
+ s4 i;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+ code = jd->code;
+
+ rplp = code->rplpoints;
+
+ for (i = 0; i < code->rplpointcount; ++i, ++rplp) {
+ /* check code segment size */
+
+ MCODECHECK(100);
+
+ /* note start of stub code */
+
+ rplp->outcode = (u1 *) (ptrint) (cd->mcodeptr - cd->mcodebase);
+
+ /* make machine code for patching */
+
+ savedmcodeptr = cd->mcodeptr;
+ cd->mcodeptr = (u1 *) &(rplp->mcode);
+
+ disp = (ptrint) ((s4 *) rplp->outcode - (s4 *) rplp->pc) - 1;
+ M_BR(disp);
+
+ cd->mcodeptr = savedmcodeptr;
+
+ /* create stack frame - 16-byte aligned */
+
+ M_LSUB_IMM(REG_SP, 2 * 8, REG_SP);
+
+ /* push address of `rplpoint` struct */
+
+ disp = dseg_add_address(cd, rplp);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_AST(REG_ITMP3, REG_SP, 0 * 8);
+
+ /* jump to replacement function */
+
+ disp = dseg_add_functionptr(cd, asm_replacement_out);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_JMP(REG_ZERO, REG_ITMP3);
+ }
+}
+
+
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where
projects / cacao.git / commitdiff