/* src/vm/jit/i386/codegen.c - machine code generator for i386
- Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: codegen.c 8318 2007-08-16 10:05:34Z michi $
-
*/
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
+#include "vm/primitive.hpp"
#include "vm/stringlocal.h"
#include "vm/vm.h"
+#include "vm/jit/abi.h"
#include "vm/jit/asmpart.h"
#include "vm/jit/codegen-common.h"
#include "vm/jit/dseg.h"
#include "vm/jit/emit-common.h"
#include "vm/jit/jit.h"
+#include "vm/jit/linenumbertable.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/patcher-common.h"
#include "vm/jit/reg.h"
#include "vm/jit/replace.h"
#include "vm/jit/stacktrace.h"
+#include "vm/jit/trap.h"
#if defined(ENABLE_SSA)
# include "vm/jit/optimizing/lsra.h"
codegendata *cd;
registerdata *rd;
s4 len, s1, s2, s3, d, disp;
+ int align_off; /* offset for alignment compensation */
varinfo *var, *var1;
basicblock *bptr;
instruction *iptr;
- exception_entry *ex;
u2 currentline;
methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
builtintable_entry *bte;
#if defined(ENABLE_THREADS)
/* space to save argument of monitor_enter */
- if (checksync && (m->flags & ACC_SYNCHRONIZED))
+ if (checksync && code_is_synchronized(code))
cd->stackframesize++;
#endif
/* Keep stack of non-leaf functions 16-byte aligned. */
- if (!jd->isleafmethod) {
- ALIGN_ODD(cd->stackframesize); /* XXX this is wrong, +4 is missing */
+ if (!code_is_leafmethod(code)) {
+ ALIGN_ODD(cd->stackframesize);
}
+ align_off = cd->stackframesize ? 4 : 0;
+
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
- (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
+ (void) dseg_add_unique_s4(
+ cd, cd->stackframesize * 8 + align_off); /* FrameSize */
-#if defined(ENABLE_THREADS)
- /* IsSync contains the offset relative to the stack pointer for the
- argument of monitor_exit used in the exception handler. Since the
- offset could be zero and give a wrong meaning of the flag it is
- offset by one.
- */
-
- if (checksync && (m->flags & ACC_SYNCHRONIZED))
- (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync */
+ code->synchronizedoffset = rd->memuse * 8;
+
+ /* REMOVEME: We still need it for exception handling in assembler. */
+
+ if (code_is_leafmethod(code))
+ (void) dseg_add_unique_s4(cd, 1); /* IsLeaf */
else
-#endif
- (void) dseg_add_unique_s4(cd, 0); /* IsSync */
-
- (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, 0); /* 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 */
- /* adds a reference for the length of the line number counter. We don't
- know the size yet, since we evaluate the information during code
- generation, to save one additional iteration over the whole
- instructions. During code optimization the position could have changed
- to the information gotten from the class file */
- (void) dseg_addlinenumbertablesize(cd);
-
- (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
-
- /* create exception table */
-
- for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
- 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.any);
- }
-
#if defined(ENABLE_PROFILING)
/* generate method profiling code */
/* create stack frame (if necessary) */
if (cd->stackframesize)
- M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
+ /* align_off == 4 */
+ M_ASUB_IMM(cd->stackframesize * 8 + 4, REG_SP);
/* save return address and used callee saved registers */
}
else {
if (!(var->flags & INMEMORY)) {
- M_ILD(d, REG_SP, cd->stackframesize * 8 + 4 + s1);
+ M_ILD(d, REG_SP,
+ cd->stackframesize * 8 + 4 + align_off + s1);
}
else {
if (!IS_2_WORD_TYPE(t)) {
/* no copy avoiding by now possible with SSA */
if (ls != NULL) {
emit_mov_membase_reg( /* + 4 for return address */
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4,
- REG_ITMP1);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off,
+ REG_ITMP1);
emit_mov_reg_membase(
- cd, REG_ITMP1, REG_SP, var->vv.regoff);
+ cd, REG_ITMP1, REG_SP, var->vv.regoff);
}
else
#endif /*defined(ENABLE_SSA)*/
/* reuse stackslot */
- var->vv.regoff = cd->stackframesize * 8 + 4 + s1;
+ var->vv.regoff = cd->stackframesize * 8 + 4 +
+ align_off + s1;
}
else {
/* no copy avoiding by now possible with SSA */
if (ls != NULL) {
emit_mov_membase_reg( /* + 4 for return address */
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4,
- REG_ITMP1);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off,
+ REG_ITMP1);
emit_mov_reg_membase(
- cd, REG_ITMP1, REG_SP, var->vv.regoff);
+ cd, REG_ITMP1, REG_SP, var->vv.regoff);
emit_mov_membase_reg( /* + 4 for return address */
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4 + 4,
- REG_ITMP1);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + 4 + align_off,
+ REG_ITMP1);
emit_mov_reg_membase(
- cd, REG_ITMP1, REG_SP, var->vv.regoff + 4);
+ cd, REG_ITMP1, REG_SP, var->vv.regoff + 4);
}
else
#endif /*defined(ENABLE_SSA)*/
/* reuse stackslot */
- var->vv.regoff = cd->stackframesize * 8 + 4 + s1;
+ var->vv.regoff = cd->stackframesize * 8 + 8 + s1;
}
}
}
if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
if (t == TYPE_FLT) {
emit_flds_membase(
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off);
assert(0);
/* emit_fstp_reg(cd, var->vv.regoff + fpu_st_offset); */
}
else {
emit_fldl_membase(
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off);
assert(0);
/* emit_fstp_reg(cd, var->vv.regoff + fpu_st_offset); */
}
/* no copy avoiding by now possible with SSA */
if (ls != NULL) {
emit_mov_membase_reg(
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4, REG_ITMP1);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off,
+ REG_ITMP1);
emit_mov_reg_membase(
- cd, REG_ITMP1, REG_SP, var->vv.regoff);
+ cd, REG_ITMP1, REG_SP, var->vv.regoff);
if (t == TYPE_FLT) {
emit_flds_membase(
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off);
emit_fstps_membase(cd, REG_SP, var->vv.regoff);
}
else {
emit_fldl_membase(
- cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+ cd, REG_SP,
+ cd->stackframesize * 8 + s1 + 4 + align_off);
emit_fstpl_membase(cd, REG_SP, var->vv.regoff);
}
}
else
#endif /*defined(ENABLE_SSA)*/
/* reuse stackslot */
- var->vv.regoff = cd->stackframesize * 8 + 4 + s1;
+ var->vv.regoff = cd->stackframesize * 8 + 4 +
+ align_off + s1;
}
}
}
/* call monitorenter function */
#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ if (checksync && code_is_synchronized(code)) {
s1 = rd->memuse;
if (m->flags & ACC_STATIC) {
- M_MOV_IMM(&m->class->object.header, REG_ITMP1);
+ M_MOV_IMM(&m->clazz->object.header, REG_ITMP1);
}
else {
- M_ALD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + 4);
+ M_ALD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + 4 + align_off);
M_TEST(REG_ITMP1);
M_BNE(6);
- M_ALD_MEM(REG_ITMP1, EXCEPTION_HARDWARE_NULLPOINTER);
+ M_ALD_MEM(REG_ITMP1, TRAP_NullPointerException);
}
M_AST(REG_ITMP1, REG_SP, s1 * 8);
if (bptr->bitflags & BBFLAG_REPLACEMENT) {
if (cd->replacementpoint[-1].flags & RPLPOINT_FLAG_COUNTDOWN) {
MCODECHECK(32);
- disp = (s4) &(m->hitcountdown);
- M_ISUB_IMM_MEMABS(1, disp);
- M_BS(0);
+ emit_trap_countdown(cd, &(m->hitcountdown));
}
}
#endif
var = VAR(bptr->invars[len]);
if (bptr->type != BBTYPE_STD) {
if (!IS_2_WORD_TYPE(var->type)) {
+#if !defined(ENABLE_SSA)
if (bptr->type == BBTYPE_EXH) {
d = codegen_reg_of_var(0, var, REG_ITMP1);
M_INTMOVE(REG_ITMP1, d);
emit_store(jd, NULL, var, d);
}
+#endif
}
else {
log_text("copy interface registers(EXH, SBR): longs \
for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
if (iptr->line != currentline) {
- dseg_addlinenumber(cd, iptr->line);
+ linenumbertable_list_entry_add(cd, iptr->line);
currentline = iptr->line;
}
case ICMD_INLINE_BODY:
REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
- dseg_addlinenumber_inline_start(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
+ linenumbertable_list_entry_add_inline_start(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
break;
case ICMD_INLINE_END:
- dseg_addlinenumber_inline_end(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
+ linenumbertable_list_entry_add_inline_end(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
break;
case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_aconst,
+ patcher_add_patch_ref(jd, PATCHER_aconst,
iptr->sx.val.c.ref, 0);
M_MOV_IMM(NULL, d);
M_AST(s1, REG_SP, 0 * 4);
M_AST(s3, REG_SP, 1 * 4);
- M_MOV_IMM(BUILTIN_canstore, REG_ITMP1);
+ M_MOV_IMM(BUILTIN_FAST_canstore, REG_ITMP1);
M_CALL(REG_ITMP1);
- emit_exception_check(cd, iptr);
+ emit_arraystore_check(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = 0;
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, 0);
}
else {
fieldtype = fi->type;
disp = (intptr_t) fi->value;
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
}
M_MOV_IMM(disp, REG_ITMP1);
break;
case ICMD_PUTSTATIC: /* ..., value ==> ... */
-
+
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);
+ patcher_add_patch_ref(jd, 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_clinit, fi->class, 0);
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
}
M_MOV_IMM(disp, REG_ITMP1);
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = 0;
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+ patcher_add_patch_ref(jd, 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_clinit, fi->class, 0);
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
}
M_MOV_IMM(disp, REG_ITMP1);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
emit_nullpointer_check(cd, iptr, s1);
+#if defined(ENABLE_ESCAPE_CHECK)
+ /*emit_escape_check(cd, s1);*/
+#endif
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = 0;
- codegen_addpatchref(cd, PATCHER_getfield,
+ patcher_add_patch_ref(jd, PATCHER_getfield,
iptr->sx.s23.s3.uf, 0);
}
else {
uf = iptr->sx.s23.s3.uf;
disp = 0;
- codegen_addpatchref(cd, PATCHER_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_putfield, uf, 0);
}
else {
/* XXX */
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = 0;
- codegen_addpatchref(cd, PATCHER_putfieldconst,
+ patcher_add_patch_ref(jd, PATCHER_putfieldconst,
uf, 0);
}
else {
#ifdef ENABLE_VERIFIER
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);
}
#endif /* ENABLE_VERIFIER */
#ifdef ENABLE_VERIFIER
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);
}
#endif /* ENABLE_VERIFIER */
#endif
#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ if (checksync && code_is_synchronized(code)) {
M_ALD(REG_ITMP2, REG_SP, rd->memuse * 8);
/* we need to save the proper return value */
/* deallocate stack */
if (cd->stackframesize)
- M_AADD_IMM(cd->stackframesize * 8, REG_SP);
+ M_AADD_IMM(cd->stackframesize * 8 + 4, REG_SP);
- emit_ret(cd);
+ M_RET;
}
break;
case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
+
bte = iptr->sx.s23.s3.bte;
md = bte->md;
+
+#if defined(ENABLE_ESCAPE_REASON)
+ if (bte->fp == BUILTIN_escape_reason_new) {
+ void set_escape_reasons(void *);
+ M_ASUB_IMM(8, REG_SP);
+ M_MOV_IMM(iptr->escape_reasons, REG_ITMP1);
+ M_AST(EDX, REG_SP, 4);
+ M_AST(REG_ITMP1, REG_SP, 0);
+ M_MOV_IMM(set_escape_reasons, REG_ITMP1);
+ M_CALL(REG_ITMP1);
+ M_ALD(EDX, REG_SP, 4);
+ M_AADD_IMM(8, REG_SP);
+ }
+#endif
+
goto gen_method;
case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
switch (iptr->opc) {
case ICMD_BUILTIN:
- disp = (ptrint) bte->fp;
d = md->returntype.type;
- M_MOV_IMM(disp, REG_ITMP1);
+ if (bte->stub == NULL) {
+ M_MOV_IMM(bte->fp, REG_ITMP1);
+ }
+ else {
+ M_MOV_IMM(bte->stub, REG_ITMP1);
+ }
M_CALL(REG_ITMP1);
- emit_exception_check(cd, iptr);
+#if defined(ENABLE_ESCAPE_CHECK)
+ if (bte->opcode == ICMD_NEW || bte->opcode == ICMD_NEWARRAY) {
+ /*emit_escape_annotate_object(cd, m);*/
+ }
+#endif
break;
case ICMD_INVOKESPECIAL:
if (lm == NULL) {
unresolved_method *um = iptr->sx.s23.s3.um;
- codegen_addpatchref(cd, PATCHER_invokestatic_special,
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
um, 0);
disp = 0;
if (lm == NULL) {
unresolved_method *um = iptr->sx.s23.s3.um;
- codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
s1 = 0;
d = md->returntype.type;
if (lm == NULL) {
unresolved_method *um = iptr->sx.s23.s3.um;
- codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
s1 = 0;
s2 = 0;
}
else {
s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr) * lm->class->index;
+ sizeof(methodptr) * lm->clazz->index;
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
d = md->returntype.type;
}
/* store size of call code in replacement point */
REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
/* d contains return type */
supervftbl = super->vftbl;
}
- 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 */
M_TEST(s1);
emit_label_beq(cd, BRANCH_LABEL_1);
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_checkcast_instanceof_flags,
iptr->sx.s23.s3.c.ref, 0);
M_MOV_IMM(0, REG_ITMP2); /* super->flags */
M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
if (super == NULL) {
- codegen_addpatchref(cd, PATCHER_checkcast_interface,
+ patcher_add_patch_ref(jd, PATCHER_checkcast_interface,
iptr->sx.s23.s3.c.ref,
0);
}
M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
if (super == NULL) {
- codegen_addpatchref(cd, PATCHER_checkcast_class,
+ patcher_add_patch_ref(jd, PATCHER_checkcast_class,
iptr->sx.s23.s3.c.ref,
0);
}
M_MOV_IMM(supervftbl, REG_ITMP3);
- CODEGEN_CRITICAL_SECTION_START;
-
M_ILD32(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
/* if (s1 != REG_ITMP1) { */
M_MOV_IMM(supervftbl, REG_ITMP3);
M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- CODEGEN_CRITICAL_SECTION_END;
-
/* } */
M_CMP(REG_ITMP3, REG_ITMP2);
M_AST(s1, REG_SP, 0 * 4);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
+ patcher_add_patch_ref(jd, PATCHER_builtin_arraycheckcast,
iptr->sx.s23.s3.c.ref, 0);
}
supervftbl = super->vftbl;
}
- 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);
M_TEST(s1);
emit_label_beq(cd, BRANCH_LABEL_1);
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_checkcast_instanceof_flags,
iptr->sx.s23.s3.c.ref, 0);
M_MOV_IMM(0, REG_ITMP3); /* super->flags */
M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
if (super == NULL) {
- codegen_addpatchref(cd, PATCHER_instanceof_interface,
+ patcher_add_patch_ref(jd, PATCHER_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
}
M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
if (super == NULL) {
- codegen_addpatchref(cd, PATCHER_instanceof_class,
+ patcher_add_patch_ref(jd, PATCHER_instanceof_class,
iptr->sx.s23.s3.c.ref, 0);
}
M_MOV_IMM(supervftbl, REG_ITMP2);
- CODEGEN_CRITICAL_SECTION_START;
-
M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, diffval));
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
- CODEGEN_CRITICAL_SECTION_END;
-
M_ISUB(REG_ITMP2, REG_ITMP1);
M_CLR(d); /* may be REG_ITMP2 */
M_CMP(REG_ITMP3, REG_ITMP1);
/* is a patcher function set? */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
+ patcher_add_patch_ref(jd, PATCHER_builtin_multianewarray,
iptr->sx.s23.s3.c.ref, 0);
disp = 0;
emit_store_dst(jd, iptr, s1);
break;
+#if defined(ENABLE_SSA)
+ case ICMD_GETEXCEPTION:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+#endif
default:
exceptions_throw_internalerror("Unknown ICMD %d during code generation",
iptr->opc);
} /* if (bptr -> flags >= BBREACHED) */
} /* for basic block */
- dseg_createlinenumbertable(cd);
-
/* generate stubs */
- emit_patcher_stubs(jd);
+ emit_patcher_traps(jd);
/* everything's ok */
return true;
}
-/* codegen_emit_stub_compiler **************************************************
-
- Emit a stub routine which calls the compiler.
-
-*******************************************************************************/
-
-void codegen_emit_stub_compiler(jitdata *jd)
-{
- methodinfo *m;
- codegendata *cd;
-
- /* get required compiler data */
-
- m = jd->m;
- cd = jd->cd;
-
- /* code for the stub */
-
- M_MOV_IMM(m, REG_ITMP1);
- M_MOV_IMM(asm_call_jit_compiler, REG_ITMP3);
- M_JMP(REG_ITMP3);
-}
-
/* codegen_emit_stub_native ****************************************************
*******************************************************************************/
-void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
{
methodinfo *m;
codeinfo *code;
codegendata *cd;
methoddesc *md;
- s4 nativeparams;
- s4 i, j; /* count variables */
- s4 t;
- s4 s1, s2;
+ int i, j; /* count variables */
+ int s1, s2;
+ int disp;
/* get required compiler data */
/* set some variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
/* calculate stackframe size */
cd->stackframesize =
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
- 1 + /* function pointer */
4 + /* 4 arguments (start_native_call) */
nmd->memuse;
/* keep stack 16-byte aligned */
- ALIGN_ODD(cd->stackframesize); /* XXX this is wrong, +4 is missing */
+ ALIGN_ODD(cd->stackframesize);
/* create method header */
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
- (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
- (void) dseg_add_unique_s4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, cd->stackframesize * 8 + 4); /* FrameSize */
(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 */
#if defined(ENABLE_PROFILING)
/* generate native method profiling code */
/* calculate stackframe size for native function */
- M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
-
-#if !defined(NDEBUG)
- emit_verbosecall_enter(jd);
-#endif
-
- /* get function address (this must happen before the stackframeinfo) */
-
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL)
- codegen_addpatchref(cd, PATCHER_resolve_native, m, 0);
-#endif
-
- M_AST_IMM((ptrint) f, REG_SP, 4 * 4);
+ M_ASUB_IMM(cd->stackframesize * 8 + 4, REG_SP);
/* Mark the whole fpu stack as free for native functions (only for saved */
/* register count == 0). */
emit_ffree_reg(cd, 6);
emit_ffree_reg(cd, 7);
+#if defined(ENABLE_GC_CACAO)
+ /* remember callee saved int registers in stackframeinfo (GC may need to */
+ /* recover them during a collection). */
+
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
+
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
+#endif
+
/* prepare data structures for native function call */
M_MOV(REG_SP, REG_ITMP1);
- M_AADD_IMM(cd->stackframesize * 8, REG_ITMP1);
-
M_AST(REG_ITMP1, REG_SP, 0 * 4);
M_IST_IMM(0, REG_SP, 1 * 4);
dseg_adddata(cd);
- M_MOV(REG_SP, REG_ITMP2);
- M_AADD_IMM(cd->stackframesize * 8 + SIZEOF_VOID_P, REG_ITMP2);
-
- M_AST(REG_ITMP2, REG_SP, 2 * 4);
- M_ALD(REG_ITMP3, REG_SP, cd->stackframesize * 8);
- M_AST(REG_ITMP3, REG_SP, 3 * 4);
M_MOV_IMM(codegen_start_native_call, REG_ITMP1);
M_CALL(REG_ITMP1);
- M_ALD(REG_ITMP3, REG_SP, 4 * 4);
+ /* remember class argument */
- /* copy arguments into new stackframe */
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_RESULT, REG_ITMP3);
- for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
- t = md->paramtypes[i].type;
+ /* Copy or spill arguments to new locations. */
- if (!md->params[i].inmemory) {
- /* no integer argument registers */
- }
- else {
- /* float/double in memory can be copied like int/longs */
+ for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
+ if (!md->params[i].inmemory)
+ assert(0);
- s1 = md->params[i].regoff + cd->stackframesize * 8 + 4;
- s2 = nmd->params[j].regoff;
+ s1 = md->params[i].regoff + cd->stackframesize * 8 + 8;
+ s2 = nmd->params[j].regoff;
+ /* float/double in memory can be copied like int/longs */
+
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_FLT:
+ case TYPE_ADR:
M_ILD(REG_ITMP1, REG_SP, s1);
M_IST(REG_ITMP1, REG_SP, s2);
- if (IS_2_WORD_TYPE(t)) {
- M_ILD(REG_ITMP1, REG_SP, s1 + 4);
- M_IST(REG_ITMP1, REG_SP, s2 + 4);
- }
+ break;
+ case TYPE_LNG:
+ case TYPE_DBL:
+ M_LLD(REG_ITMP12_PACKED, REG_SP, s1);
+ M_LST(REG_ITMP12_PACKED, REG_SP, s2);
+ break;
}
}
- /* if function is static, put class into second argument */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC)
- M_AST_IMM(m->class, REG_SP, 1 * 4);
+ if (m->flags & ACC_NATIVE) {
+ /* if function is static, put class into second argument */
+
+ if (m->flags & ACC_STATIC)
+ M_AST(REG_ITMP3, REG_SP, 1 * 4);
- /* put env into first argument */
+ /* put env into first argument */
- M_AST_IMM(_Jv_env, REG_SP, 0 * 4);
+ M_AST_IMM(_Jv_env, REG_SP, 0 * 4);
+ }
- /* call the native function */
+ /* Call the native function. */
- M_CALL(REG_ITMP3);
+ disp = dseg_add_functionptr(cd, f);
+ emit_mov_imm_reg(cd, 0, REG_ITMP3);
+ dseg_adddata(cd);
+ M_ALD(REG_ITMP1, REG_ITMP3, disp);
+ M_CALL(REG_ITMP1);
/* save return value */
switch (md->returntype.type) {
case TYPE_INT:
case TYPE_ADR:
+ switch (md->returntype.decltype) {
+ case PRIMITIVETYPE_BOOLEAN:
+ M_BZEXT(REG_RESULT, REG_RESULT);
+ break;
+ case PRIMITIVETYPE_BYTE:
+ M_BSEXT(REG_RESULT, REG_RESULT);
+ break;
+ case PRIMITIVETYPE_CHAR:
+ M_CZEXT(REG_RESULT, REG_RESULT);
+ break;
+ case PRIMITIVETYPE_SHORT:
+ M_SSEXT(REG_RESULT, REG_RESULT);
+ break;
+ }
M_IST(REG_RESULT, REG_SP, 1 * 8);
break;
case TYPE_LNG:
break;
}
-#if !defined(NDEBUG)
- emit_verbosecall_exit(jd);
-#endif
-
/* remove native stackframe info */
M_MOV(REG_SP, REG_ITMP1);
- M_AADD_IMM(cd->stackframesize * 8, REG_ITMP1);
-
M_AST(REG_ITMP1, REG_SP, 0 * 4);
+ M_IST_IMM(0, REG_SP, 1 * 4);
+ dseg_adddata(cd);
+
M_MOV_IMM(codegen_finish_native_call, REG_ITMP1);
M_CALL(REG_ITMP1);
M_MOV(REG_RESULT, REG_ITMP2); /* REG_ITMP3 == REG_RESULT2 */
break;
}
- M_AADD_IMM(cd->stackframesize * 8, REG_SP);
+#if defined(ENABLE_GC_CACAO)
+ /* restore callee saved int registers from stackframeinfo (GC might have */
+ /* modified them during a collection). */
+
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
+
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
+#endif
+
+ M_AADD_IMM(cd->stackframesize * 8 + 4, REG_SP);
/* check for exception */
M_MOV_IMM(asm_handle_nat_exception, REG_ITMP3);
M_JMP(REG_ITMP3);
-
- /* generate patcher stubs */
-
- emit_patcher_stubs(jd);
}
projects / cacao.git / blobdiff