/* src/vm/jit/x86_64/codegen.c - machine code generator for x86_64
- Copyright (C) 1996-2005, 2006 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.
- Contact: cacao@cacaojvm.org
-
- Authors: Andreas Krall
- Christian Thalinger
- Christian Ullrich
- Edwin Steiner
-
- $Id: codegen.c 6132 2006-12-07 10:59:01Z twisti $
-
*/
#include <assert.h>
#include <stdio.h>
+#include <stdint.h>
#include "vm/types.h"
#include "vm/jit/x86_64/emit.h"
#include "mm/memory.h"
-#include "native/jni.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/builtin.hpp"
+#include "vm/exceptions.hpp"
#include "vm/global.h"
-#include "vm/loader.h"
+#include "vm/loader.hpp"
#include "vm/options.h"
+#include "vm/primitive.hpp"
#include "vm/statistics.h"
-#include "vm/stringlocal.h"
-#include "vm/vm.h"
+#include "vm/string.hpp"
+#include "vm/vm.hpp"
+
+#include "vm/jit/abi.h"
#include "vm/jit/asmpart.h"
-#include "vm/jit/codegen-common.h"
+#include "vm/jit/code.hpp"
+#include "vm/jit/codegen-common.hpp"
#include "vm/jit/dseg.h"
-#include "vm/jit/emit-common.h"
-#include "vm/jit/jit.h"
+#include "vm/jit/emit-common.hpp"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/linenumbertable.h"
#include "vm/jit/methodheader.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/patcher-common.hpp"
#include "vm/jit/reg.h"
-#include "vm/jit/replace.h"
+#include "vm/jit/replace.hpp"
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.h"
#if defined(ENABLE_LSRA)
# include "vm/jit/allocator/lsra.h"
#endif
-/* codegen *********************************************************************
+/* codegen_emit ****************************************************************
Generates machine code.
*******************************************************************************/
-bool codegen(jitdata *jd)
+bool codegen_emit(jitdata *jd)
{
methodinfo *m;
codeinfo *code;
varinfo *var, *dst;
basicblock *bptr;
instruction *iptr;
- exception_entry *ex;
constant_classref *cr;
unresolved_class *uc;
methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
fieldinfo *fi;
unresolved_field *uf;
s4 fieldtype;
- rplpoint *replacementpoint;
s4 varindex;
/* get required compiler data */
#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
native code e.g. libc or jni (alignment problems with
movaps). */
- if (!jd->isleafmethod || opt_verbosecall)
+ if (!code_is_leafmethod(code) || opt_verbosecall)
cd->stackframesize |= 0x1;
/* create method header */
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
(void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* 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;
+
+ 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 */
- (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 */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
PROFILE_CYCLE_START;
}
+#endif
/* create stack frame (if necessary) */
s1 = md->params[p].regoff;
if (IS_INT_LNG_TYPE(t)) { /* integer args */
- s2 = rd->argintregs[s1];
if (!md->params[p].inmemory) { /* register arguments */
- if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
- M_INTMOVE(s2, var->vv.regoff);
-
- } else { /* reg arg -> spilled */
- M_LST(s2, REG_SP, var->vv.regoff * 8);
- }
-
- } else { /* stack arguments */
- if (!IS_INMEMORY(var->flags)) { /* stack arg -> register */
+ if (!IS_INMEMORY(var->flags))
+ M_INTMOVE(s1, var->vv.regoff);
+ else
+ M_LST(s1, REG_SP, var->vv.regoff);
+ }
+ else { /* stack arguments */
+ if (!IS_INMEMORY(var->flags))
/* + 8 for return address */
- M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8 + 8);
-
- } else { /* stack arg -> spilled */
- var->vv.regoff = cd->stackframesize + s1 + 1;
- }
+ M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1 + 8);
+ else
+ var->vv.regoff = cd->stackframesize * 8 + s1 + 8;
}
-
- } else { /* floating args */
+ }
+ else { /* floating args */
if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argfltregs[s1];
- if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
- M_FLTMOVE(s2, var->vv.regoff);
-
- } else { /* reg arg -> spilled */
- M_DST(s2, REG_SP, var->vv.regoff * 8);
- }
-
- } else { /* stack arguments */
- if (!IS_INMEMORY(var->flags)) { /* stack-arg -> register */
- M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8 + 8);
-
- } else {
- var->vv.regoff = cd->stackframesize + s1 + 1;
- }
+ if (!IS_INMEMORY(var->flags))
+ M_FLTMOVE(s1, var->vv.regoff);
+ else
+ M_DST(s1, REG_SP, var->vv.regoff);
+ }
+ else { /* stack arguments */
+ if (!IS_INMEMORY(var->flags))
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1 + 8);
+ else
+ var->vv.regoff = cd->stackframesize * 8 + s1 + 8;
}
}
- } /* end for */
+ }
/* save monitorenter argument */
#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ if (checksync && code_is_synchronized(code)) {
/* stack offset for monitor argument */
s1 = rd->memuse;
M_LSUB_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
for (p = 0; p < INT_ARG_CNT; p++)
- M_LST(rd->argintregs[p], REG_SP, p * 8);
+ M_LST(abi_registers_integer_argument[p], REG_SP, p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
+ M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
s1 += INT_ARG_CNT + FLT_ARG_CNT;
}
/* decide which monitor enter function to call */
if (m->flags & ACC_STATIC) {
- M_MOV_IMM(&m->class->object.header, REG_A0);
+ M_MOV_IMM(&m->clazz->object.header, REG_A0);
}
else {
M_TEST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ M_BNE(8);
+ M_ALD_MEM(REG_A0, TRAP_NullPointerException);
}
M_AST(REG_A0, REG_SP, s1 * 8);
if (opt_verbosecall) {
for (p = 0; p < INT_ARG_CNT; p++)
- M_LLD(rd->argintregs[p], REG_SP, p * 8);
+ M_LLD(abi_registers_integer_argument[p], REG_SP, p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
+ M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
M_LADD_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
}
/* end of header generation */
- replacementpoint = jd->code->rplpoints;
+ /* create replacement points */
+
+ REPLACEMENT_POINTS_INIT(cd, jd);
/* walk through all basic blocks */
/* handle replacement points */
-#if 0
- if (bptr->bitflags & BBFLAG_REPLACEMENT) {
- replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
-
- replacementpoint++;
-
- assert(cd->lastmcodeptr <= cd->mcodeptr);
- cd->lastmcodeptr = cd->mcodeptr + 5; /* 5 byte jmp patch */
- }
-#endif
+ REPLACEMENT_POINT_BLOCK_START(cd, bptr);
/* copy interface registers to their destination */
len = bptr->indepth;
MCODECHECK(512);
+#if defined(ENABLE_PROFILING)
/* generate basicblock profiling code */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
if (bptr->type == BBTYPE_EXH)
PROFILE_CYCLE_START;
}
+#endif
#if defined(ENABLE_LSRA)
if (opt_lsra) {
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_NOP: /* ... ==> ... */
case ICMD_POP: /* ..., value ==> ... */
case ICMD_POP2: /* ..., value, value ==> ... */
- case ICMD_INLINE_START: /* internal ICMDs */
+ break;
+
+ case ICMD_INLINE_START:
+
+ REPLACEMENT_POINT_INLINE_START(cd, iptr);
+ break;
+
+ case ICMD_INLINE_BODY:
+
+ REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
+ linenumbertable_list_entry_add_inline_start(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
+ break;
+
case ICMD_INLINE_END:
+
+ linenumbertable_list_entry_add_inline_end(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
break;
case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ emit_nullpointer_check(cd, iptr, s1);
break;
/* constant operations ************************************************/
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- cr = iptr->sx.val.c.ref;
+ cr = iptr->sx.val.c.ref;
+ disp = dseg_add_unique_address(cd, cr);
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_aconst, cr, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ cr, disp);
/* PROFILE_CYCLE_START; */
- M_MOV_IMM(NULL, d);
-
- } else {
- if (iptr->sx.val.anyptr == 0)
+ M_ALD(d, RIP, disp);
+ }
+ else {
+ if (iptr->sx.val.anyptr == 0) {
M_CLR(d);
- else
- M_MOV_IMM(iptr->sx.val.anyptr, d);
+ }
+ else {
+ disp = dseg_add_address(cd, iptr->sx.val.anyptr);
+ M_ALD(d, RIP, disp);
+ }
}
emit_store_dst(jd, iptr, d);
break;
case ICMD_COPY:
case ICMD_MOVE:
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
break;
case ICMD_ASTORE:
if (!(iptr->flags.bits & INS_FLAG_RETADDR))
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
break;
/* integer operations *************************************************/
M_INTMOVE(s1, RAX);
M_INTMOVE(s2, REG_ITMP3);
- emit_arithmetic_check(cd, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
M_INTMOVE(s1, RAX);
M_INTMOVE(s2, REG_ITMP3);
- emit_arithmetic_check(cd, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
M_INTMOVE(s1, RAX);
M_INTMOVE(s2, REG_ITMP3);
- emit_arithmetic_check(cd, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
M_INTMOVE(s1, RAX);
M_INTMOVE(s2, REG_ITMP3);
- emit_arithmetic_check(cd, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomiss_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP2, d); /* treat unordered as GT */
emit_store_dst(jd, iptr, d);
break;
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomiss_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP1, d); /* treat unordered as LT */
emit_store_dst(jd, iptr, d);
break;
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomisd_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP2, d); /* treat unordered as GT */
emit_store_dst(jd, iptr, d);
break;
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomisd_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP1, d); /* treat unordered as LT */
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_nullpointer_check(cd, s1);
- M_ILD(d, s1, OFFSET(java_arrayheader, size));
+ /* implicit null-pointer check */
+ M_ILD(d, s1, OFFSET(java_array_t, size));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movsbq_memindex_reg(cd, OFFSET(java_bytearray, data[0]), s1, s2, 0, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movsbq_memindex_reg(cd, OFFSET(java_bytearray_t, data[0]), s1, s2, 0, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movzwq_memindex_reg(cd, OFFSET(java_chararray, data[0]), s1, s2, 1, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movzwq_memindex_reg(cd, OFFSET(java_chararray_t, data[0]), s1, s2, 1, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movswq_memindex_reg(cd, OFFSET(java_shortarray, data[0]), s1, s2, 1, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movswq_memindex_reg(cd, OFFSET(java_shortarray_t, data[0]), s1, s2, 1, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movl_memindex_reg(cd, OFFSET(java_intarray, data[0]), s1, s2, 2, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movl_memindex_reg(cd, OFFSET(java_intarray_t, data[0]), s1, s2, 2, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_mov_memindex_reg(cd, OFFSET(java_longarray, data[0]), s1, s2, 3, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_mov_memindex_reg(cd, OFFSET(java_longarray_t, data[0]), s1, s2, 3, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movss_memindex_reg(cd, OFFSET(java_floatarray, data[0]), s1, s2, 2, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movss_memindex_reg(cd, OFFSET(java_floatarray_t, data[0]), s1, s2, 2, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movsd_memindex_reg(cd, OFFSET(java_doublearray, data[0]), s1, s2, 3, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movsd_memindex_reg(cd, OFFSET(java_doublearray_t, data[0]), s1, s2, 3, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- emit_array_checks(cd, iptr, s1, s2);
- emit_mov_memindex_reg(cd, OFFSET(java_objectarray, data[0]), s1, s2, 3, d);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_mov_memindex_reg(cd, OFFSET(java_objectarray_t, data[0]), s1, s2, 3, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movb_reg_memindex(cd, s3, OFFSET(java_bytearray, data[0]), s1, s2, 0);
+ emit_movb_reg_memindex(cd, s3, OFFSET(java_bytearray_t, data[0]), s1, s2, 0);
break;
case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movw_reg_memindex(cd, s3, OFFSET(java_chararray, data[0]), s1, s2, 1);
+ emit_movw_reg_memindex(cd, s3, OFFSET(java_chararray_t, data[0]), s1, s2, 1);
break;
case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movw_reg_memindex(cd, s3, OFFSET(java_shortarray, data[0]), s1, s2, 1);
+ emit_movw_reg_memindex(cd, s3, OFFSET(java_shortarray_t, data[0]), s1, s2, 1);
break;
case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movl_reg_memindex(cd, s3, OFFSET(java_intarray, data[0]), s1, s2, 2);
+ emit_movl_reg_memindex(cd, s3, OFFSET(java_intarray_t, data[0]), s1, s2, 2);
break;
case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_mov_reg_memindex(cd, s3, OFFSET(java_longarray, data[0]), s1, s2, 3);
+ emit_mov_reg_memindex(cd, s3, OFFSET(java_longarray_t, data[0]), s1, s2, 3);
break;
case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
- emit_movss_reg_memindex(cd, s3, OFFSET(java_floatarray, data[0]), s1, s2, 2);
+ emit_movss_reg_memindex(cd, s3, OFFSET(java_floatarray_t, data[0]), s1, s2, 2);
break;
case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
- emit_movsd_reg_memindex(cd, s3, OFFSET(java_doublearray, data[0]), s1, s2, 3);
+ emit_movsd_reg_memindex(cd, s3, OFFSET(java_doublearray_t, data[0]), s1, s2, 3);
break;
case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_MOV(s1, REG_A0);
M_MOV(s3, REG_A1);
- M_MOV_IMM(BUILTIN_canstore, REG_ITMP1);
+ M_MOV_IMM(BUILTIN_FAST_canstore, REG_ITMP1);
M_CALL(REG_ITMP1);
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_arraystoreexception_ref(cd);
+ emit_arraystore_check(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_mov_reg_memindex(cd, s3, OFFSET(java_objectarray, data[0]), s1, s2, 3);
+ emit_mov_reg_memindex(cd, s3, OFFSET(java_objectarray_t, data[0]), s1, s2, 3);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movb_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_bytearray, data[0]), s1, s2, 0);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movb_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_bytearray_t, data[0]), s1, s2, 0);
break;
case ICMD_CASTORECONST: /* ..., arrayref, index ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_chararray, data[0]), s1, s2, 1);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_chararray_t, data[0]), s1, s2, 1);
break;
case ICMD_SASTORECONST: /* ..., arrayref, index ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_shortarray, data[0]), s1, s2, 1);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_shortarray_t, data[0]), s1, s2, 1);
break;
case ICMD_IASTORECONST: /* ..., arrayref, index ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- emit_movl_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_intarray, data[0]), s1, s2, 2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_movl_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_intarray_t, data[0]), s1, s2, 2);
break;
case ICMD_LASTORECONST: /* ..., arrayref, index ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (IS_IMM32(iptr->sx.s23.s3.constval)) {
- emit_mov_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3);
- } else {
- emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3);
- emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval >> 32), OFFSET(java_longarray, data[0]) + 4, s1, s2, 3);
+ emit_mov_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray_t, data[0]), s1, s2, 3);
+ }
+ else {
+ emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray_t, data[0]), s1, s2, 3);
+ emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval >> 32), OFFSET(java_longarray_t, data[0]) + 4, s1, s2, 3);
}
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- emit_mov_imm_memindex(cd, 0, OFFSET(java_objectarray, data[0]), s1, s2, 3);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ emit_mov_imm_memindex(cd, 0, OFFSET(java_objectarray_t, data[0]), s1, s2, 3);
break;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ disp = dseg_add_unique_address(cd, uf);
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
/* PROFILE_CYCLE_START; */
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_address(cd, fi->value);
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz)) {
PROFILE_CYCLE_STOP;
- codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
+ fi->clazz, 0);
PROFILE_CYCLE_START;
}
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ disp = dseg_add_unique_address(cd, uf);
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
/* PROFILE_CYCLE_START; */
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_address(cd, fi->value);
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz)) {
PROFILE_CYCLE_STOP;
- codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
+ fi->clazz, 0);
PROFILE_CYCLE_START;
}
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
-
+ disp = dseg_add_unique_address(cd, uf);
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
/* PROFILE_CYCLE_START; */
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_address(cd, fi->value);
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz)) {
PROFILE_CYCLE_STOP;
- codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
+ fi->clazz, 0);
PROFILE_CYCLE_START;
}
if (IS_IMM32(iptr->sx.s23.s2.constval))
M_LST_IMM32(iptr->sx.s23.s2.constval, REG_ITMP1, 0);
else {
- M_IST_IMM(iptr->sx.s23.s2.constval, REG_ITMP1, 0);
- M_IST_IMM(iptr->sx.s23.s2.constval >> 32, REG_ITMP1, 4);
+ M_MOV_IMM(iptr->sx.s23.s2.constval, REG_ITMP2);
+ M_LST(REG_ITMP2, REG_ITMP1, 0);
}
break;
}
case ICMD_GETFIELD: /* ... ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- emit_nullpointer_check(cd, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
/* PROFILE_CYCLE_START; */
}
disp = fi->offset;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_IFTMP); /* REG_IFTMP == REG_ITMP2 */
- emit_nullpointer_check(cd, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
/* PROFILE_CYCLE_START; */
}
disp = fi->offset;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
M_IST32(s2, s1, disp);
/* following NOP) */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- emit_nullpointer_check(cd, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
/* PROFILE_CYCLE_STOP; */
- codegen_add_patch_ref(cd, PATCHER_putfieldconst, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_putfieldconst, uf, 0);
/* PROFILE_CYCLE_START; */
}
disp = fi->offset;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
case TYPE_FLT:
case TYPE_LNG:
case TYPE_ADR:
case TYPE_DBL:
- /* XXX why no check for IS_IMM32? */
- M_IST32_IMM(iptr->sx.s23.s2.constval, s1, disp);
- M_IST32_IMM(iptr->sx.s23.s2.constval >> 32, s1, disp + 4);
+ /* XXX why no check for IS_IMM32? -- probably because of the patcher */
+ M_MOV_IMM(iptr->sx.s23.s2.constval, REG_ITMP2);
+ if (disp) /* resolved, disp can never be 0 */
+ M_LST(REG_ITMP2, s1, disp);
+ else /* unresolved */
+ M_LST32(REG_ITMP2, s1, disp);
break;
}
break;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uc = iptr->sx.s23.s2.uc;
- codegen_add_patch_ref(cd, PATCHER_athrow_areturn, uc, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
}
#endif /* ENABLE_VERIFIER */
break;
case ICMD_GOTO: /* ... ==> ... */
- case ICMD_RET: /* ... ==> ... */
+ case ICMD_RET:
- M_JMP_IMM(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_br(cd, iptr->dst.block);
+ ALIGNCODENOP;
break;
case ICMD_JSR: /* ... ==> ... */
- M_JMP_IMM(0);
- codegen_add_branch_ref(cd, iptr->sx.s23.s3.jsrtarget.block);
+ emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
+ ALIGNCODENOP;
break;
case ICMD_IFNULL: /* ..., value ==> ... */
+ case ICMD_IFNONNULL:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_TEST(s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNONNULL: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, BRANCH_OPT_NONE);
break;
case ICMD_IFEQ: /* ..., value ==> ... */
+ case ICMD_IFLT:
+ case ICMD_IFLE:
+ case ICMD_IFNE:
+ case ICMD_IFGT:
+ case ICMD_IFGE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFLT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFLE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFGT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFGE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
break;
case ICMD_IF_LEQ: /* ..., value ==> ... */
+ case ICMD_IF_LNE:
+ case ICMD_IF_LLT:
+ case ICMD_IF_LGE:
+ case ICMD_IF_LGT:
+ case ICMD_IF_LLE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
if (IS_IMM32(iptr->sx.val.l))
M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
M_LCMP(REG_ITMP2, s1);
}
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LLT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LLE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LNE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LGT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LGE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_LEQ, BRANCH_OPT_NONE);
break;
case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ICMPNE:
+ case ICMD_IF_ICMPLT:
+ case ICMD_IF_ICMPGE:
+ case ICMD_IF_ICMPGT:
+ case ICMD_IF_ICMPLE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_ICMP(s2, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
break;
- case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */
+ case ICMD_IF_ACMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ACMPNE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_LCMP(s2, s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ACMPEQ, BRANCH_OPT_NONE);
break;
- case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPNE:
+ case ICMD_IF_LCMPLT:
+ case ICMD_IF_LCMPGE:
+ case ICMD_IF_LCMPGT:
+ case ICMD_IF_LCMPLE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_LCMP(s2, s1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_LCMPEQ, BRANCH_OPT_NONE);
break;
case ICMD_IRETURN: /* ..., retvalue ==> ... */
case ICMD_LRETURN:
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_INTMOVE(s1, REG_RESULT);
goto nowperformreturn;
case ICMD_ARETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_INTMOVE(s1, REG_RESULT);
PROFILE_CYCLE_STOP;
- codegen_add_patch_ref(cd, PATCHER_athrow_areturn, uc, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
PROFILE_CYCLE_START;
}
case ICMD_FRETURN: /* ..., retvalue ==> ... */
case ICMD_DRETURN:
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_FRESULT);
M_FLTMOVE(s1, REG_FRESULT);
goto nowperformreturn;
case ICMD_RETURN: /* ... ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+
nowperformreturn:
{
s4 i, p;
#endif /* !defined(NDEBUG) */
#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ if (checksync && code_is_synchronized(code)) {
M_ALD(REG_A0, REG_SP, rd->memuse * 8);
/* we need to save the proper return value */
i = i - l + 1;
/* range check */
- M_ICMP_IMM(i - 1, REG_ITMP1);
- M_BA(0);
- codegen_add_branch_ref(cd, table[0].block); /* default target */
+ M_ICMP_IMM(i - 1, REG_ITMP1);
+ emit_bugt(cd, table[0].block);
/* build jump table top down and use address of lowest entry */
while (--i >= 0) {
M_ICMP_IMM(lookup->value, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, lookup->target.block);
+ emit_beq(cd, lookup->target.block);
lookup++;
}
- M_JMP_IMM(0);
-
- codegen_add_branch_ref(cd, iptr->sx.s23.s3.lookupdefault.block);
+ emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
+ ALIGNCODENOP;
}
break;
case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
+
bte = iptr->sx.s23.s3.bte;
md = bte->md;
goto gen_method;
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;
for (s3 = s3 - 1; s3 >= 0; s3--) {
var = VAR(iptr->sx.s23.s2.args[s3]);
+ d = md->params[s3].regoff;
+
+ /* already preallocated (ARGVAR)? */
- /* Already Preallocated (ARGVAR) ? */
if (var->flags & PREALLOC)
continue;
if (IS_INT_LNG_TYPE(var->type)) {
if (!md->params[s3].inmemory) {
- s1 = rd->argintregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_INTMOVE(d, s1);
+ s1 = emit_load(jd, iptr, var, d);
+ M_INTMOVE(s1, d);
}
else {
- d = emit_load(jd, iptr, var, REG_ITMP1);
- M_LST(d, REG_SP, md->params[s3].regoff * 8);
+ s1 = emit_load(jd, iptr, var, REG_ITMP1);
+ M_LST(s1, REG_SP, d);
}
}
else {
if (!md->params[s3].inmemory) {
- s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_FLTMOVE(d, s1);
+ s1 = emit_load(jd, iptr, var, d);
+ M_FLTMOVE(s1, d);
}
else {
- d = emit_load(jd, iptr, var, REG_FTMP1);
+ s1 = emit_load(jd, iptr, var, REG_FTMP1);
if (IS_2_WORD_TYPE(var->type))
- M_DST(d, REG_SP, md->params[s3].regoff * 8);
+ M_DST(s1, REG_SP, d);
else
- M_FST(d, REG_SP, md->params[s3].regoff * 8);
+ M_FST(s1, REG_SP, d);
}
}
}
switch (iptr->opc) {
case ICMD_BUILTIN:
- M_MOV_IMM(bte->fp, REG_ITMP1);
- M_CALL(REG_ITMP1);
-
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
+ if (bte->stub == NULL) {
+ M_MOV_IMM(bte->fp, REG_ITMP1);
}
+ else {
+ M_MOV_IMM(bte->stub, REG_ITMP1);
+ }
+ M_CALL(REG_ITMP1);
break;
case ICMD_INVOKESPECIAL:
- M_TEST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
-
+ emit_nullpointer_check(cd, iptr, REG_A0);
/* fall through */
case ICMD_INVOKESTATIC:
if (lm == NULL) {
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ disp = dseg_add_unique_address(cd, um);
- codegen_add_patch_ref(cd, PATCHER_invokestatic_special,
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
um, disp);
-
-/* a = 0; */
}
else {
disp = dseg_add_functionptr(cd, lm->stubroutine);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
-/* a = (ptrint) lm->stubroutine; */
}
-/* M_MOV_IMM(a, REG_ITMP2); */
M_ALD(REG_ITMP2, RIP, disp);
M_CALL(REG_ITMP2);
break;
case ICMD_INVOKEVIRTUAL:
- emit_nullpointer_check(cd, REG_A0);
-
if (lm == NULL) {
- codegen_add_patch_ref(cd, PATCHER_invokevirtual, um, 0);
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
s1 = 0;
}
- else
+ else {
s1 = OFFSET(vftbl_t, table[0]) +
sizeof(methodptr) * lm->vftblindex;
+ }
- M_ALD(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
M_ALD32(REG_ITMP3, REG_METHODPTR, s1);
M_CALL(REG_ITMP3);
break;
case ICMD_INVOKEINTERFACE:
- emit_nullpointer_check(cd, REG_A0);
-
if (lm == NULL) {
- codegen_add_patch_ref(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);
}
- M_ALD(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
M_ALD32(REG_METHODPTR, REG_METHODPTR, s1);
M_ALD32(REG_ITMP3, REG_METHODPTR, s2);
M_CALL(REG_ITMP3);
PROFILE_CYCLE_START;
- /* store return value */
+ /* store size of call code in replacement point */
- d = md->returntype.type;
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
- if (d != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(d)) {
- s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
- M_INTMOVE(REG_RESULT, s1);
- }
- else {
- s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
- M_FLTMOVE(REG_FRESULT, s1);
- }
+ /* store return value */
+
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
+ M_INTMOVE(REG_RESULT, s1);
emit_store_dst(jd, iptr, s1);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
+ M_FLTMOVE(REG_FRESULT, s1);
+ emit_store_dst(jd, iptr, s1);
+ break;
+ default:
+ /* TYPE_VOID */
+ break;
}
break;
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
- /* val.a: (classinfo *) superclass */
-
- /* superclass is an interface:
- *
- * OK if ((sub == NULL) ||
- * (sub->vftbl->interfacetablelength > super->index) &&
- * (sub->vftbl->interfacetable[-super->index] != NULL));
- *
- * superclass is a class:
- *
- * OK if ((sub == NULL) || (0
- * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
- * super->vftbl->diffval));
- */
-
if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
/* object type cast-check */
classinfo *super;
- vftbl_t *supervftbl;
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
- supervftbl = NULL;
}
else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
- supervftbl = super->vftbl;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- /* calculate interface checkcast code size */
-
- s2 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s2, s1, OFFSET(java_objectheader, vftbl));
-
- s2 += 3 + 4 /* movl_membase32_reg */ + 3 + 4 /* sub imm32 */ +
- 3 /* test */ + 6 /* jcc */ + 3 + 4 /* mov_membase32_reg */ +
- 3 /* test */ + 6 /* jcc */;
-
- if (super == NULL)
- s2 += (opt_shownops ? 5 : 0);
-
- /* calculate class checkcast code size */
-
- s3 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s3, s1, OFFSET(java_objectheader, vftbl));
- s3 += 10 /* mov_imm_reg */ + 3 + 4 /* movl_membase32_reg */;
-
-#if 0
- if (s1 != REG_ITMP1) {
- a += 3; /* movl_membase_reg - only if REG_ITMP3 == R11 */
- CALCOFFSETBYTES(a, REG_ITMP3, OFFSET(vftbl_t, baseval));
- a += 3; /* movl_membase_reg - only if REG_ITMP3 == R11 */
- CALCOFFSETBYTES(a, REG_ITMP3, OFFSET(vftbl_t, diffval));
- a += 3; /* sub */
-
- } else
-#endif
- {
- s3 += 3 + 4 /* movl_membase32_reg */ + 3 /* sub */ +
- 10 /* mov_imm_reg */ + 3 /* movl_membase_reg */;
- CALCOFFSETBYTES(s3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- }
-
- s3 += 3 /* cmp */ + 6 /* jcc */;
-
- if (super == NULL)
- s3 += (opt_shownops ? 5 : 0);
-
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TEST(s1);
- M_BEQ(6 + (opt_shownops ? 5 : 0) + 7 + 6 + s2 + 5 + s3);
+ emit_label_beq(cd, BRANCH_LABEL_1);
- codegen_add_patch_ref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, 0);
M_IMOV_IMM(0, REG_ITMP2); /* super->flags */
M_IAND_IMM(ACC_INTERFACE, REG_ITMP2);
- M_BEQ(s2 + 5);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface checkcast code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super != NULL) {
M_TEST(s1);
- M_BEQ(s2);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
if (super == NULL) {
- codegen_add_patch_ref(cd,
- PATCHER_checkcast_instanceof_interface,
+ patcher_add_patch_ref(jd, PATCHER_checkcast_interface,
iptr->sx.s23.s3.c.ref,
0);
}
- emit_movl_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, interfacetablelength),
- REG_ITMP3);
- /* XXX TWISTI: should this be int arithmetic? */
- M_LSUB_IMM32(superindex, REG_ITMP3);
- M_TEST(REG_ITMP3);
- M_BLE(0);
- codegen_add_classcastexception_ref(cd, s1);
- emit_mov_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*),
- REG_ITMP3);
+ M_ILD32(REG_ITMP3,
+ REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
+ M_ICMP_IMM32(superindex, REG_ITMP3);
+ emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
+
+ M_ALD32(REG_ITMP3, REG_ITMP2,
+ OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*));
M_TEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
if (super == NULL)
- M_JMP_IMM(s3);
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
}
/* class checkcast code */
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- if (super != NULL) {
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
+
+ cr = iptr->sx.s23.s3.c.ref;
+ disp = dseg_add_unique_address(cd, cr);
+
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_vftbl,
+ cr, disp);
+ }
+ else {
M_TEST(s1);
- M_BEQ(s3);
+ emit_label_beq(cd, BRANCH_LABEL_5);
+
+ disp = dseg_add_address(cd, super->vftbl);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_ITMP3, RIP, disp);
- if (super == NULL) {
- codegen_add_patch_ref(cd, PATCHER_checkcast_class,
- iptr->sx.s23.s3.c.ref,
- 0);
+ if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_LCMP_MEMINDEX(REG_ITMP2, 0, REG_ITMP1, 0, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_6); /* good */
+
+ if (super == NULL) {
+ M_LCMP_IMM(OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+ emit_label_bne(cd, BRANCH_LABEL_10); /* throw */
+ }
+
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+ M_ICMP_MEMBASE(REG_ITMP2, OFFSET(vftbl_t, subtype_depth), REG_ITMP1);
+ emit_label_bgt(cd, BRANCH_LABEL_9); /* throw */
+
+ M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+ M_LCMP_MEMINDEX(REG_ITMP2, -8*DISPLAY_SIZE, REG_ITMP1, 3, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_7); /* good */
+
+ emit_label(cd, BRANCH_LABEL_9);
+ if (super == NULL)
+ emit_label(cd, BRANCH_LABEL_10);
+
+ /* reload s1, might have been destroyed */
+ emit_load_s1(jd, iptr, REG_ITMP1);
+ M_ALD_MEM(s1, TRAP_ClassCastException);
+
+ emit_label(cd, BRANCH_LABEL_7);
+ emit_label(cd, BRANCH_LABEL_6);
+ /* reload s1, might have been destroyed */
+ emit_load_s1(jd, iptr, REG_ITMP1);
+ }
+ else {
+ M_LCMP_MEMBASE(REG_ITMP2, super->vftbl->subtype_offset, REG_ITMP3);
+ emit_classcast_check(cd, iptr, BRANCH_NE, REG_ITMP3, s1);
}
- M_MOV_IMM(supervftbl, REG_ITMP3);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- emit_movl_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, baseval),
- REG_ITMP2);
- /* if (s1 != REG_ITMP1) { */
- /* emit_movl_membase_reg(cd, REG_ITMP3, */
- /* OFFSET(vftbl_t, baseval), */
- /* REG_ITMP1); */
- /* emit_movl_membase_reg(cd, REG_ITMP3, */
- /* OFFSET(vftbl_t, diffval), */
- /* REG_ITMP3); */
- /* #if defined(ENABLE_THREADS) */
- /* codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase); */
- /* #endif */
- /* emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP1, REG_ITMP2); */
-
- /* } else { */
- emit_movl_membase32_reg(cd, REG_ITMP3,
- OFFSET(vftbl_t, baseval),
- REG_ITMP3);
- M_LSUB(REG_ITMP3, REG_ITMP2);
- M_MOV_IMM(supervftbl, REG_ITMP3);
- M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- /* } */
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- M_LCMP(REG_ITMP3, REG_ITMP2);
- M_BA(0); /* (u) REG_ITMP1 > (u) REG_ITMP2 -> jump */
- codegen_add_classcastexception_ref(cd, s1);
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
}
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
M_INTMOVE(s1, REG_A0);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_add_patch_ref(cd, PATCHER_builtin_arraycheckcast,
- iptr->sx.s23.s3.c.ref, 0);
+ cr = iptr->sx.s23.s3.c.ref;
+ disp = dseg_add_unique_address(cd, cr);
+
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_classinfo,
+ cr, disp);
+ }
+ else {
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
}
- M_MOV_IMM(iptr->sx.s23.s3.c.cls, REG_A1);
+ M_ALD(REG_A1, RIP, disp);
M_MOV_IMM(BUILTIN_arraycheckcast, REG_ITMP1);
M_CALL(REG_ITMP1);
/* s1 may have been destroyed over the function call */
s1 = emit_load_s1(jd, iptr, REG_ITMP2);
M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
}
case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
- /* val.a: (classinfo *) superclass */
-
- /* superclass is an interface:
- *
- * return (sub != NULL) &&
- * (sub->vftbl->interfacetablelength > super->index) &&
- * (sub->vftbl->interfacetable[-super->index] != NULL);
- *
- * superclass is a class:
- *
- * return ((sub != NULL) && (0
- * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
- * super->vftbl->diffvall));
- */
-
{
classinfo *super;
- vftbl_t *supervftbl;
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
- supervftbl = NULL;
-
- } else {
- super = iptr->sx.s23.s3.c.cls;
+ }
+ else {
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
- supervftbl = super->vftbl;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
-
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
if (s1 == d) {
M_INTMOVE(s1, REG_ITMP1);
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s2, s1, OFFSET(java_objectheader, vftbl));
- s2 += 3 + 4 /* movl_membase32_reg */ + 3 + 4 /* sub_imm32 */ +
- 3 /* test */ + 6 /* jcc */ + 3 + 4 /* mov_membase32_reg */ +
- 3 /* test */ + 4 /* setcc */;
-
- if (!super)
- s2 += (opt_shownops ? 5 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s3, s1, OFFSET(java_objectheader, vftbl));
- s3 += 10; /* mov_imm_reg */
- s3 += 2; /* movl_membase_reg - only if REG_ITMP1 == RAX */
- CALCOFFSETBYTES(s3, REG_ITMP1, OFFSET(vftbl_t, baseval));
- s3 += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */
- CALCOFFSETBYTES(s3, REG_ITMP2, OFFSET(vftbl_t, baseval));
- s3 += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */
- CALCOFFSETBYTES(s3, REG_ITMP2, OFFSET(vftbl_t, diffval));
- s3 += 3 /* sub */ + 3 /* xor */ + 3 /* cmp */ + 4 /* setcc */;
-
- if (super == NULL)
- s3 += (opt_shownops ? 5 : 0);
-
- emit_alu_reg_reg(cd, ALU_XOR, d, d);
+ M_CLR(d);
/* if class is not resolved, check which code to call */
if (super == NULL) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_Z, (6 + (opt_shownops ? 5 : 0) +
- 7 + 6 + s2 + 5 + s3));
+ M_TEST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_1);
- codegen_add_patch_ref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, 0);
- emit_movl_imm_reg(cd, 0, REG_ITMP3); /* super->flags */
- emit_alul_imm_reg(cd, ALU_AND, ACC_INTERFACE, REG_ITMP3);
- emit_jcc(cd, CC_Z, s2 + 5);
+ M_IMOV_IMM(0, REG_ITMP3); /* super->flags */
+ M_IAND_IMM(ACC_INTERFACE, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface instanceof code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super != NULL) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_Z, s2);
+ M_TEST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- emit_mov_membase_reg(cd, s1,
- OFFSET(java_objectheader, vftbl),
- REG_ITMP1);
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
if (super == NULL) {
- codegen_add_patch_ref(cd,
- PATCHER_checkcast_instanceof_interface,
+ patcher_add_patch_ref(jd, PATCHER_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
}
- emit_movl_membase32_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, interfacetablelength),
- REG_ITMP3);
- emit_alu_imm32_reg(cd, ALU_SUB, superindex, REG_ITMP3);
- emit_test_reg_reg(cd, REG_ITMP3, REG_ITMP3);
+ M_ILD32(REG_ITMP3,
+ REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
+ M_ICMP_IMM32(superindex, REG_ITMP3);
a = 3 + 4 /* mov_membase32_reg */ + 3 /* test */ + 4 /* setcc */;
- emit_jcc(cd, CC_LE, a);
- emit_mov_membase32_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*),
- REG_ITMP1);
- emit_test_reg_reg(cd, REG_ITMP1, REG_ITMP1);
- emit_setcc_reg(cd, CC_NE, d);
+ M_BLE(a);
+ M_ALD32(REG_ITMP1, REG_ITMP1,
+ OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*));
+ M_TEST(REG_ITMP1);
+ M_SETNE(d);
- if (!super)
- emit_jmp_imm(cd, s3);
+ if (super == NULL)
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
}
/* class instanceof code */
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- if (super != NULL) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_E, s3);
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
+
+ cr = iptr->sx.s23.s3.c.ref;
+ disp = dseg_add_unique_address(cd, cr);
+
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_vftbl,
+ cr, disp);
}
+ else {
+ M_TEST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
- emit_mov_membase_reg(cd, s1,
- OFFSET(java_objectheader, vftbl),
- REG_ITMP1);
+ disp = dseg_add_address(cd, super->vftbl);
+ }
- if (super == NULL) {
- codegen_add_patch_ref(cd, PATCHER_instanceof_class,
- iptr->sx.s23.s3.c.ref, 0);
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_ITMP3, RIP, disp);
+
+ if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_LCMP_MEMINDEX(REG_ITMP2, 0, REG_ITMP1, 0, REG_ITMP3);
+ emit_label_bne(cd, BRANCH_LABEL_8); /* jump over INC/SETE */
+ if (d == REG_ITMP2) {
+ M_SETE(d);
+ M_BSEXT(d, d);
+ } else
+ M_LINC(d);
+ emit_label_br(cd, BRANCH_LABEL_6); /* true */
+ emit_label(cd, BRANCH_LABEL_8);
+
+ if (super == NULL) {
+ M_LCMP_IMM(OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+ emit_label_bne(cd, BRANCH_LABEL_10); /* false */
+ }
+
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+ M_ICMP_MEMBASE(REG_ITMP2, OFFSET(vftbl_t, subtype_depth), REG_ITMP1);
+ emit_label_bgt(cd, BRANCH_LABEL_9); /* false */
+
+ M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+ M_LCMP_MEMINDEX(REG_ITMP2, -8*DISPLAY_SIZE, REG_ITMP1, 3, REG_ITMP3);
+ M_SETE(d);
+ if (d == REG_ITMP2) {
+ M_BSEXT(d, d);
+
+ emit_label_br(cd, BRANCH_LABEL_7); /* jump over M_CLR */
+ }
+
+ emit_label(cd, BRANCH_LABEL_9);
+ if (super == NULL)
+ emit_label(cd, BRANCH_LABEL_10);
+ if (d == REG_ITMP2) {
+ M_CLR(d);
+
+ emit_label(cd, BRANCH_LABEL_7);
+ }
+ emit_label(cd, BRANCH_LABEL_6);
+ }
+ else {
+ M_LCMP_MEMBASE(REG_ITMP2, super->vftbl->subtype_offset, REG_ITMP3);
+ M_SETE(d);
+ if (d == REG_ITMP2)
+ M_BSEXT(d, d);
}
- emit_mov_imm_reg(cd, (ptrint) supervftbl, REG_ITMP2);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- emit_movl_membase_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, baseval),
- REG_ITMP1);
- emit_movl_membase_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, diffval),
- REG_ITMP3);
- emit_movl_membase_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, baseval),
- REG_ITMP2);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP2, REG_ITMP1);
- emit_alu_reg_reg(cd, ALU_XOR, d, d); /* may be REG_ITMP2 */
- emit_alu_reg_reg(cd, ALU_CMP, REG_ITMP3, REG_ITMP1);
- emit_setcc_reg(cd, CC_BE, d);
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
}
+
emit_store_dst(jd, iptr, d);
}
break;
}
}
+ /* a0 = dimension count */
+
+ M_MOV_IMM(iptr->s1.argcount, REG_A0);
+
/* is a patcher function set? */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_add_patch_ref(cd, PATCHER_builtin_multianewarray,
- iptr->sx.s23.s3.c.ref, 0);
- }
+ cr = iptr->sx.s23.s3.c.ref;
+ disp = dseg_add_unique_address(cd, cr);
- /* a0 = dimension count */
-
- M_MOV_IMM(iptr->s1.argcount, REG_A0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ cr, disp);
+ }
+ else {
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
+ }
/* a1 = classinfo */
- M_MOV_IMM(iptr->sx.s23.s3.c.cls, REG_A1);
+ M_ALD(REG_A1, RIP, disp);
/* a2 = pointer to dimensions = stack pointer */
/* check for exception before result assignment */
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
+ emit_exception_check(cd, iptr);
s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_INTMOVE(REG_RESULT, s1);
break;
default:
- *exceptionptr = new_internalerror("Unknown ICMD %d", iptr->opc);
+ exceptions_throw_internalerror("Unknown ICMD %d during code generation",
+ iptr->opc);
return false;
} /* switch */
} /* if (bptr -> flags >= BBREACHED) */
} /* for basic block */
- dseg_createlinenumbertable(cd);
-
- /* generate stubs */
+ /* Generate patcher traps. */
- emit_exception_stubs(jd);
- emit_patcher_stubs(jd);
-#if 0
- emit_replacement_stubs(jd);
-#endif
-
- codegen_finish(jd);
+ emit_patcher_traps(jd);
/* everything's ok */
}
-/* createcompilerstub **********************************************************
+/* codegen_emit_stub_native ****************************************************
- Creates a stub routine which calls the compiler.
-
-*******************************************************************************/
-
-#define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
-#define COMPILERSTUB_CODESIZE 7 + 7 + 3
-
-#define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
+ Emits a stub routine which calls a native method.
+*******************************************************************************/
-u1 *createcompilerstub(methodinfo *m)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
{
- u1 *s; /* memory to hold the stub */
- ptrint *d;
+ methodinfo *m;
+ codeinfo *code;
codegendata *cd;
- s4 dumpsize;
-
- s = CNEW(u1, COMPILERSTUB_SIZE);
-
- /* set data pointer and code pointer */
-
- d = (ptrint *) s;
- s = s + COMPILERSTUB_DATASIZE;
-
- /* mark start of dump memory area */
-
- dumpsize = dump_size();
-
- cd = DNEW(codegendata);
- cd->mcodeptr = s;
-
- /* The codeinfo pointer is actually a pointer to the
- methodinfo. This fakes a codeinfo structure. */
+ methoddesc *md;
+ int i, j;
+ int s1, s2;
+ int disp;
- d[0] = (ptrint) asm_call_jit_compiler;
- d[1] = (ptrint) m;
- d[2] = (ptrint) &d[1]; /* fake code->m */
+ /* Sanity check. */
- /* code for the stub */
+ assert(f != NULL);
- M_ALD(REG_ITMP1, RIP, -(7 * 1 + 2 * SIZEOF_VOID_P)); /* methodinfo */
- M_ALD(REG_ITMP3, RIP, -(7 * 2 + 3 * SIZEOF_VOID_P)); /* compiler pointer */
- M_JMP(REG_ITMP3);
-
-#if defined(ENABLE_STATISTICS)
- if (opt_stat)
- count_cstub_len += COMPILERSTUB_SIZE;
-#endif
-
- /* release dump area */
-
- dump_release(dumpsize);
-
- return s;
-}
-
-
-/* createnativestub ************************************************************
-
- Creates a stub routine which calls a native method.
-
-*******************************************************************************/
-
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
-{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- methoddesc *md;
- s4 nativeparams;
- s4 i, j; /* count variables */
- s4 t;
- s4 s1, s2;
-
- /* get required compiler data */
+ /* Get required compiler data. */
m = jd->m;
code = jd->code;
cd = jd->cd;
- rd = jd->rd;
/* initialize variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
/* calculate stack frame size */
cd->stackframesize =
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
- INT_ARG_CNT + FLT_ARG_CNT +
- 1 + /* functionptr, TODO: store in data segment */
+ md->paramcount +
+ (md->returntype.type == TYPE_VOID ? 0 : 1) +
nmd->memuse;
- cd->stackframesize |= 0x1; /* keep stack 16-byte aligned */
+ ALIGN_ODD(cd->stackframesize); /* keep stack 16-byte aligned */
/* 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, 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 */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
M_MOV_IMM(code, REG_ITMP3);
M_IINC_MEMBASE(REG_ITMP3, OFFSET(codeinfo, frequency));
}
+#endif
/* generate stub code */
M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
-#endif
+#if defined(ENABLE_GC_CACAO)
+ /* Save callee saved integer registers in stackframeinfo (GC may
+ need to recover them during a collection). */
- /* get function address (this must happen before the stackframeinfo) */
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL)
- codegen_add_patch_ref(cd, PATCHER_resolve_native, m, 0);
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
#endif
- M_MOV_IMM(f, REG_ITMP3);
-
-
/* save integer and float argument registers */
- for (i = 0, j = 0; i < md->paramcount; i++) {
+ for (i = 0; i < md->paramcount; i++) {
if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- if (IS_INT_LNG_TYPE(md->paramtypes[i].type))
- M_LST(rd->argintregs[s1], REG_SP, j * 8);
- else
- M_DST(rd->argfltregs[s1], REG_SP, j * 8);
-
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LST(s1, REG_SP, i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(s1, REG_SP, i * 8);
+ break;
+ }
}
}
- M_AST(REG_ITMP3, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
-
/* create dynamic stack info */
- M_ALEA(REG_SP, cd->stackframesize * 8, REG_A0);
+ M_MOV(REG_SP, REG_A0);
emit_lea_membase_reg(cd, RIP, -((cd->mcodeptr + 7) - cd->mcodebase), REG_A1);
- M_ALEA(REG_SP, cd->stackframesize * 8 + SIZEOF_VOID_P, REG_A2);
- M_ALD(REG_A3, REG_SP, cd->stackframesize * 8);
M_MOV_IMM(codegen_start_native_call, REG_ITMP1);
M_CALL(REG_ITMP1);
+ /* remember class argument */
+
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_RESULT, REG_ITMP2);
+
/* restore integer and float argument registers */
- for (i = 0, j = 0; i < md->paramcount; i++) {
+ for (i = 0; i < md->paramcount; i++) {
if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- if (IS_INT_LNG_TYPE(md->paramtypes[i].type))
- M_LLD(rd->argintregs[s1], REG_SP, j * 8);
- else
- M_DLD(rd->argfltregs[s1], REG_SP, j * 8);
-
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LLD(s1, REG_SP, i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(s1, REG_SP, i * 8);
+ break;
+ }
}
}
- M_ALD(REG_ITMP3, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
+ /* Copy or spill arguments to new locations. */
+ for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
+ s2 = nmd->params[j].regoff;
- /* copy or spill arguments to new locations */
-
- for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
- t = md->paramtypes[i].type;
-
- if (IS_INT_LNG_TYPE(t)) {
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
if (!md->params[i].inmemory) {
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
- if (!nmd->params[j].inmemory) {
- s2 = rd->argintregs[nmd->params[j].regoff];
+ if (!nmd->params[j].inmemory)
M_INTMOVE(s1, s2);
-
- } else {
- s2 = nmd->params[j].regoff;
- M_LST(s1, REG_SP, s2 * 8);
- }
-
- } else {
- s1 = md->params[i].regoff + cd->stackframesize + 1; /* + 1 (RA) */
- s2 = nmd->params[j].regoff;
- M_LLD(REG_ITMP1, REG_SP, s1 * 8);
- M_LST(REG_ITMP1, REG_SP, s2 * 8);
+ else
+ M_LST(s1, REG_SP, s2);
}
+ else {
+ s1 = md->params[i].regoff + cd->stackframesize * 8 + 8;/* +1 (RA) */
+ M_LLD(REG_ITMP1, REG_SP, s1);
+ M_LST(REG_ITMP1, REG_SP, s2);
+ }
+ break;
+ case TYPE_FLT:
+ /* We only copy spilled float arguments, as the float
+ argument registers keep unchanged. */
- } else {
- /* We only copy spilled float arguments, as the float argument */
- /* registers keep unchanged. */
+ if (md->params[i].inmemory) {
+ s1 = md->params[i].regoff + cd->stackframesize * 8 + 8;/* +1 (RA) */
+ M_FLD(REG_FTMP1, REG_SP, s1);
+ M_FST(REG_FTMP1, REG_SP, s2);
+ }
+ break;
+ case TYPE_DBL:
if (md->params[i].inmemory) {
- s1 = md->params[i].regoff + cd->stackframesize + 1; /* + 1 (RA) */
- s2 = nmd->params[j].regoff;
-
- if (IS_2_WORD_TYPE(t)) {
- M_DLD(REG_FTMP1, REG_SP, s1 * 8);
- M_DST(REG_FTMP1, REG_SP, s2 * 8);
- } else {
- M_FLD(REG_FTMP1, REG_SP, s1 * 8);
- M_FST(REG_FTMP1, REG_SP, s2 * 8);
- }
+ s1 = md->params[i].regoff + cd->stackframesize * 8 + 8;/* +1 (RA) */
+ M_DLD(REG_FTMP1, REG_SP, s1);
+ M_DST(REG_FTMP1, REG_SP, s2);
}
+ break;
}
}
- /* put class into second argument register */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC)
- M_MOV_IMM(m->class, REG_A1);
+ if (m->flags & ACC_NATIVE) {
+ /* put class into second argument register */
- /* put env into first argument register */
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_ITMP2, REG_A1);
- M_MOV_IMM(_Jv_env, REG_A0);
+ /* put env into first argument register */
- /* do the native function call */
+ M_MOV_IMM(VM_get_jnienv(), REG_A0);
+ }
+
+ /* Call the native function. */
- M_CALL(REG_ITMP3);
+ disp = dseg_add_functionptr(cd, f);
+ M_ALD(REG_ITMP1, RIP, disp);
+ M_CALL(REG_ITMP1);
/* save return value */
- if (md->returntype.type != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(md->returntype.type))
- M_LST(REG_RESULT, REG_SP, 0 * 8);
- else
- M_DST(REG_FRESULT, REG_SP, 0 * 8);
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ switch (md->returntype.primitivetype) {
+ 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_LST(REG_RESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(REG_FRESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_VOID:
+ break;
}
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
-#endif
-
/* remove native stackframe info */
- M_ALEA(REG_SP, cd->stackframesize * 8, REG_A0);
+ M_MOV(REG_SP, REG_A0);
+ emit_lea_membase_reg(cd, RIP, -((cd->mcodeptr + 7) - cd->mcodebase), REG_A1);
M_MOV_IMM(codegen_finish_native_call, REG_ITMP1);
M_CALL(REG_ITMP1);
M_MOV(REG_RESULT, REG_ITMP3);
/* restore return value */
- if (md->returntype.type != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(md->returntype.type))
- M_LLD(REG_RESULT, REG_SP, 0 * 8);
- else
- M_DLD(REG_FRESULT, REG_SP, 0 * 8);
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LLD(REG_RESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(REG_FRESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_VOID:
+ break;
}
+#if defined(ENABLE_GC_CACAO)
+ /* Restore callee saved integer 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 * 8);
+#endif
+
/* remove stackframe */
M_AADD_IMM(cd->stackframesize * 8, REG_SP);
M_MOV_IMM(asm_handle_nat_exception, REG_ITMP3);
M_JMP(REG_ITMP3);
-
- /* generate patcher stubs */
-
- emit_patcher_stubs(jd);
-
- codegen_finish(jd);
-
- return code->entrypoint;
}