Changes: Edwin Steiner
- $Id: stack.c 733 2003-12-12 17:29:40Z stefan $
+ $Id: stack.c 814 2003-12-31 01:41:15Z edwin $
*/
/* from codegen.inc */
extern int dseglen;
+/**********************************************************************/
+/* Macros used internally by analyse_stack */
+/**********************************************************************/
#ifdef STATISTICS
#define COUNT(cnt) cnt++
#define COUNT(cnt)
#endif
-#define STACKRESET {curstack=0;stackdepth=0;}
-
-#define TYPEPANIC {show_icmd_method();panic("Stack type mismatch");}
-#define UNDERFLOW {show_icmd_method();panic("Stack underflow");} /* XXX why isn't this caught in parse.c? */
+/* convenient abbreviations */
#define CURKIND curstack->varkind
#define CURTYPE curstack->type
+/*--------------------------------------------------*/
+/* SIGNALING ERRORS */
+/*--------------------------------------------------*/
+
+#define TYPEPANIC {show_icmd_method();panic("Stack type mismatch");}
+#define UNDERFLOW {show_icmd_method();panic("Operand stack underflow");}
+#define OVERFLOW {show_icmd_method();panic("Operand stack overflow");}
+
+/*--------------------------------------------------*/
+/* STACK UNDERFLOW/OVERFLOW CHECKS */
+/*--------------------------------------------------*/
+
+/* underflow checks */
#define REQUIRE(num) do { if (stackdepth<(num)) {UNDERFLOW;} } while(0)
#define REQUIRE_1 REQUIRE(1)
#define REQUIRE_2 REQUIRE(2)
#define REQUIRE_3 REQUIRE(3)
#define REQUIRE_4 REQUIRE(4)
+/* overflow check */
+/* XXX we allow ACONST to exceed the maximum stack depth because it is
+ * generated for builtin calls. Maybe we should check against maximum
+ * stack depth only at block boundaries?
+ */
+#define CHECKOVERFLOW \
+ do { \
+ if (stackdepth > maxstack) { \
+ if (iptr[0].opc != ICMD_ACONST) \
+ {OVERFLOW;} \
+ } \
+ } while(0)
+
+/*--------------------------------------------------*/
+/* ALLOCATING STACK SLOTS */
+/*--------------------------------------------------*/
+
#define NEWSTACK(s,v,n) {new->prev=curstack;new->type=s;new->flags=0; \
new->varkind=v;new->varnum=n;curstack=new;new++;}
#define NEWSTACKn(s,n) NEWSTACK(s,UNDEFVAR,n)
#define NEWSTACK0(s) NEWSTACK(s,UNDEFVAR,0)
+
+/* allocate the input stack for an exception handler */
#define NEWXSTACK {NEWSTACK(TYPE_ADR,STACKVAR,0);curstack=0;}
+/*--------------------------------------------------*/
+/* STACK MANIPULATION */
+/*--------------------------------------------------*/
+
+/* resetting to an empty operand stack */
+#define STACKRESET {curstack=0;stackdepth=0;}
+
+/* set the output stack of the current instruction */
#define SETDST {iptr->dst=curstack;}
-/* The following macros do NOT check stackdepth, set stackdepth and iptr->dst */
+/* The following macros do NOT check stackdepth, set stackdepth or iptr->dst */
#define POP(s) {if(s!=curstack->type){TYPEPANIC;} \
if(curstack->varkind==UNDEFVAR)curstack->varkind=TEMPVAR;\
curstack=curstack->prev;}
curstack=curstack->prev;}
#define COPY(s,d) {(d)->flags=0;(d)->type=(s)->type;\
(d)->varkind=(s)->varkind;(d)->varnum=(s)->varnum;}
-/******************************/
-/* The following macros check stackdepth, set stackdepth and itpr->dst */
+/*--------------------------------------------------*/
+/* STACK OPERATIONS MODELING */
+/*--------------------------------------------------*/
+
+/* The following macros are used to model the stack manipulations of
+ * different kinds of instructions.
+ *
+ * These macros check the input stackdepth and they set the output
+ * stackdepth and the output stack of the instruction (iptr->dst).
+ *
+ * These macros do *not* check for stack overflows!
+ */
+
#define PUSHCONST(s){NEWSTACKn(s,stackdepth);SETDST;stackdepth++;}
#define LOAD(s,v,n) {NEWSTACK(s,v,n);SETDST;stackdepth++;}
#define STORE(s) {REQUIRE_1;POP(s);SETDST;stackdepth--;}
new[2].prev=new+1;new[3].prev=new+2;\
new[4].prev=new+3;new[5].prev=new+4;\
curstack=new+5;new+=6;SETDST;stackdepth+=2;}
-/******************************/
+/*--------------------------------------------------*/
+/* MACROS FOR HANDLING BASIC BLOCKS */
+/*--------------------------------------------------*/
+
+/* COPYCURSTACK makes a copy of the current operand stack (curstack)
+ * and returns it in the variable copy.
+ *
+ * This macro is used to propagate the operand stack from one basic
+ * block to another. The destination block receives the copy as its
+ * input stack.
+ */
#define COPYCURSTACK(copy) {\
int d;\
stackptr s;\
copy=NULL;\
}
+/* BBEND is called at the end of each basic block (after the last
+ * instruction of the block has been processed).
+ */
#define BBEND(s,i){\
i=stackdepth-1;\
}\
}
-
-#define MARKREACHED(b,c) {\
- if(b->flags<0)\
- {COPYCURSTACK(c);b->flags=0;b->instack=c;b->indepth=stackdepth;}\
- else {stackptr s=curstack;stackptr t=b->instack;\
- if(b->indepth!=stackdepth)\
- {show_icmd_method();panic("Stack depth mismatch");}\
- while(s){if (s->type!=t->type)\
- TYPEPANIC\
- s=s->prev;t=t->prev;\
- }\
- }\
+
+/* MARKREACHED marks the destination block <b> as reached. If this
+ * block has been reached before we check if stack depth and types
+ * match. Otherwise the destination block receives a copy of the
+ * current stack as its input stack.
+ *
+ * b...destination block
+ * c...current stack
+ */
+#define MARKREACHED(b,c) { \
+ if(b->flags<0) \
+ {COPYCURSTACK(c);b->flags=0;b->instack=c;b->indepth=stackdepth;} \
+ else {stackptr s=curstack;stackptr t=b->instack; \
+ if(b->indepth!=stackdepth) \
+ {show_icmd_method();panic("Stack depth mismatch");} \
+ while(s){if (s->type!=t->type) \
+ TYPEPANIC \
+ s=s->prev;t=t->prev; \
+ } \
+ } \
}
+/**********************************************************************/
+/* analyse_stack */
+/**********************************************************************/
+
+/* analyse_stack uses the intermediate code created by parse.c to
+ * build a model of the JVM operand stack for the current method.
+ *
+ * The following checks are performed:
+ * - check for operand stack underflow (before each instruction)
+ * - check for operand stack overflow (after[1] each instruction)
+ * - check for matching stack depth at merging points
+ * - check for matching basic types[2] at merging points
+ * - check basic types for instruction input (except for BUILTIN*
+ * opcodes and MULTIANEWARRAY)
+ *
+ * [1]) XXX Checking this after the instruction should be ok. parse.c
+ * counts the number of required stack slots in such a way that it is
+ * only vital that we don't exceed `maxstack` at basic block
+ * boundaries.
+ *
+ * [2]) 'basic types' means the distinction between INT, LONG, FLOAT,
+ * DOUBLE and ADDRESS types. Subtypes of INT and different ADDRESS
+ * types are not discerned.
+ */
+
void analyse_stack()
{
int b_count;
log_text(logtext);
}
- argren = DMNEW(int, maxlocals);
- //int *argren = (int *)alloca(maxlocals * sizeof(int)); /* table for argument renaming */
+ argren = DMNEW(int, maxlocals);
+ /*int *argren = (int *)alloca(maxlocals * sizeof(int));*/ /* table for argument renaming */
for (i = 0; i < maxlocals; i++)
argren[i] = i;
#if SUPPORT_LONG_MUL
case ICMD_LMUL:
iptr[0].opc = ICMD_LMULCONST;
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
goto icmd_lconst_tail;
#endif
#if SUPPORT_LONG_DIV
/* pop 2 push 1 */
- case ICMD_IALOAD:
case ICMD_LALOAD:
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
+ case ICMD_IALOAD:
case ICMD_FALOAD:
case ICMD_DALOAD:
case ICMD_AALOAD:
/* pop 3 push 0 */
case ICMD_IASTORE:
+ case ICMD_AASTORE:
case ICMD_LASTORE:
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
case ICMD_FASTORE:
case ICMD_DASTORE:
- case ICMD_AASTORE:
COUNT(count_check_null);
COUNT(count_check_bound);
COUNT(count_pcmd_mem);
OP3TIA_0(opcode-ICMD_IASTORE);
break;
+
case ICMD_BASTORE:
case ICMD_CASTORE:
case ICMD_SASTORE:
COUNT(count_check_bound);
COUNT(count_pcmd_mem);
OP3TIA_0(TYPE_INT);
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
break;
/* pop 1 push 0 */
case ICMD_POP:
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_1;
+ if (IS_2_WORD_TYPE(curstack->type))
+ panic("Illegal instruction: POP on category 2 type");
+ }
+#endif
OP1_0ANY;
break;
case ICMD_POP2:
REQUIRE_1;
if (! IS_2_WORD_TYPE(curstack->type)) {
+ /* ..., cat1 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_2;
+ if (IS_2_WORD_TYPE(curstack->prev->type))
+ panic("Illegal instruction: POP2 on cat2, cat1 types");
+ }
+#endif
OP1_0ANY; /* second pop */
}
else
/* pop 0 push 1 dup */
case ICMD_DUP:
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_1;
+ if (IS_2_WORD_TYPE(curstack->type))
+ panic("Illegal instruction: DUP on category 2 type");
+ }
+#endif
COUNT(count_dup_instruction);
DUP;
break;
case ICMD_DUP2:
REQUIRE_1;
if (IS_2_WORD_TYPE(curstack->type)) {
+ /* ..., cat2 */
iptr->opc = ICMD_DUP;
DUP;
}
else {
REQUIRE_2;
+ /* ..., ????, cat1 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ if (IS_2_WORD_TYPE(curstack->prev->type))
+ panic("Illegal instruction: DUP2 on cat2, cat1 types");
+ }
+#endif
copy = curstack;
NEWSTACK(copy->prev->type, copy->prev->varkind,
copy->prev->varnum);
/* pop 2 push 3 dup */
case ICMD_DUP_X1:
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_2;
+ if (IS_2_WORD_TYPE(curstack->type) ||
+ IS_2_WORD_TYPE(curstack->prev->type))
+ panic("Illegal instruction: DUP_X1 on cat 2 type");
+ }
+#endif
DUP_X1;
break;
case ICMD_DUP2_X1:
REQUIRE_2;
if (IS_2_WORD_TYPE(curstack->type)) {
+ /* ..., ????, cat2 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ if (IS_2_WORD_TYPE(curstack->prev->type))
+ panic("Illegal instruction: DUP2_X1 on cat2, cat2 types");
+ }
+#endif
iptr->opc = ICMD_DUP_X1;
DUP_X1;
}
else {
+ /* ..., ????, cat1 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_3;
+ if (IS_2_WORD_TYPE(curstack->prev->type)
+ || IS_2_WORD_TYPE(curstack->prev->prev->type))
+ panic("Illegal instruction: DUP2_X1 on invalid types");
+ }
+#endif
DUP2_X1;
}
break;
case ICMD_DUP_X2:
REQUIRE_2;
if (IS_2_WORD_TYPE(curstack->prev->type)) {
+ /* ..., cat2, ???? */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ if (IS_2_WORD_TYPE(curstack->type))
+ panic("Illegal instruction: DUP_X2 on cat2, cat2 types");
+ }
+#endif
iptr->opc = ICMD_DUP_X1;
DUP_X1;
}
else {
+ /* ..., cat1, ???? */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_3;
+ if (IS_2_WORD_TYPE(curstack->type)
+ || IS_2_WORD_TYPE(curstack->prev->prev->type))
+ panic("Illegal instruction: DUP_X2 on invalid types");
+ }
+#endif
DUP_X2;
}
break;
case ICMD_DUP2_X2:
REQUIRE_2;
if (IS_2_WORD_TYPE(curstack->type)) {
+ /* ..., ????, cat2 */
if (IS_2_WORD_TYPE(curstack->prev->type)) {
+ /* ..., cat2, cat2 */
iptr->opc = ICMD_DUP_X1;
DUP_X1;
}
else {
+ /* ..., cat1, cat2 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_3;
+ if (IS_2_WORD_TYPE(curstack->prev->prev->type))
+ panic("Illegal instruction: DUP2_X2 on invalid types");
+ }
+#endif
iptr->opc = ICMD_DUP_X2;
DUP_X2;
}
}
- else
+ else {
REQUIRE_3;
+ /* ..., ????, ????, cat1 */
if (IS_2_WORD_TYPE(curstack->prev->prev->type)) {
+ /* ..., cat2, ????, cat1 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ if (IS_2_WORD_TYPE(curstack->prev->type))
+ panic("Illegal instruction: DUP2_X2 on invalid types");
+ }
+#endif
iptr->opc = ICMD_DUP2_X1;
DUP2_X1;
}
else {
+ /* ..., cat1, ????, cat1 */
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_4;
+ if (IS_2_WORD_TYPE(curstack->prev->type)
+ || IS_2_WORD_TYPE(curstack->prev->prev->prev->type))
+ panic("Illegal instruction: DUP2_X2 on invalid types");
+ }
+#endif
DUP2_X2;
}
+ }
break;
/* pop 2 push 2 swap */
case ICMD_SWAP:
+#ifdef TYPECHECK_STACK_COMPCAT
+ if (opt_verify) {
+ REQUIRE_2;
+ if (IS_2_WORD_TYPE(curstack->type)
+ || IS_2_WORD_TYPE(curstack->prev->type))
+ panic("Illegal instruction: SWAP on category 2 type");
+ }
+#endif
SWAP;
break;
isleafmethod = false;
goto builtin2;
#endif
-
- case ICMD_IADD:
- case ICMD_ISUB:
- case ICMD_IMUL:
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
case ICMD_ISHL:
case ICMD_ISHR:
case ICMD_IUSHR:
+#if defined(__I386__)
+ method_uses_ecx = true;
+#endif
+ case ICMD_IADD:
+ case ICMD_ISUB:
+ case ICMD_IMUL:
case ICMD_IAND:
case ICMD_IOR:
case ICMD_IXOR:
goto builtin2;
#endif
+ case ICMD_LMUL:
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
case ICMD_LADD:
case ICMD_LSUB:
- case ICMD_LMUL:
-
case ICMD_LOR:
case ICMD_LAND:
case ICMD_LXOR:
case ICMD_LUSHR:
COUNT(count_pcmd_op);
OP2IT_1(TYPE_LNG);
+#if defined(__I386__)
+ method_uses_ecx = true;
+ method_uses_edx = true;
+#endif
break;
case ICMD_FADD:
case ICMD_I2L:
COUNT(count_pcmd_op);
OP1_1(TYPE_INT, TYPE_LNG);
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
break;
case ICMD_I2F:
COUNT(count_pcmd_op);
case ICMD_F2L:
COUNT(count_pcmd_op);
OP1_1(TYPE_FLT, TYPE_LNG);
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
break;
case ICMD_F2D:
COUNT(count_pcmd_op);
case ICMD_D2L:
COUNT(count_pcmd_op);
OP1_1(TYPE_DBL, TYPE_LNG);
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
break;
case ICMD_D2F:
COUNT(count_pcmd_op);
case ICMD_CHECKCAST:
OP1_1(TYPE_ADR, TYPE_ADR);
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
break;
- case ICMD_ARRAYLENGTH:
case ICMD_INSTANCEOF:
+#if defined(__I386__)
+ method_uses_edx = true;
+#endif
+ case ICMD_ARRAYLENGTH:
OP1_1(TYPE_ADR, TYPE_INT);
break;
iptr->val.a = (void*) iptr->dst;
tbptr->type=BBTYPE_SBR;
+ CHECKOVERFLOW;
MARKREACHED(tbptr, copy);
OP1_0ANY;
break;
arguments_num = i + intreg_argnum;
copy = curstack;
while (--i >= 0) {
+ /* XXX check INT type here? Currently typecheck does this. */
if (! (copy->flags & SAVEDVAR)) {
copy->varkind = ARGVAR;
copy->varnum = i + intreg_argnum;
printf("ICMD %d at %d\n", iptr->opc, (int)(iptr-instr));
panic("Missing ICMD code during stack analysis");
} /* switch */
+
+ CHECKOVERFLOW;
+
/* XXX DEBUG */ /*dolog("iptr++");*/
iptr++;
} /* while instructions */
}
+/**********************************************************************/
+/* DEBUGGING HELPERS */
+/**********************************************************************/
+
void icmd_print_stack(stackptr s)
{
int i, j;
void show_icmd_method()
{
int i, j;
- int deadcode;
- s4 *s4ptr;
- instruction *iptr;
+ s4 *s4ptr; /* used */
basicblock *bptr;
- void **tptr;
xtable *ex;
printf("\n");
}
}
-void
-show_icmd_block(basicblock *bptr)
+
+void show_icmd_block(basicblock *bptr)
{
int i, j;
int deadcode;
- s4 *s4ptr;
+ s4 *s4ptr; /* used */
instruction *iptr;
- if (bptr->flags != BBDELETED) {
- deadcode = bptr->flags <= BBREACHED;
+ if (bptr->flags != BBDELETED) {
+ deadcode = bptr->flags <= BBREACHED;
+ printf("[");
+ if (deadcode)
+ for (j = method->maxstack; j > 0; j--)
+ printf(" ? ");
+ else
+ icmd_print_stack(bptr->instack);
+ printf("] L%03d(%d - %d) flags=%d:\n", bptr->debug_nr, bptr->icount, bptr->pre_count,bptr->flags);
+ iptr = bptr->iinstr;
+
+ for (i=0; i < bptr->icount; i++, iptr++) {
printf("[");
- if (deadcode)
+ if (deadcode) {
for (j = method->maxstack; j > 0; j--)
printf(" ? ");
- else
- icmd_print_stack(bptr->instack);
- printf("] L%03d(%d - %d) flags=%d:\n", bptr->debug_nr, bptr->icount, bptr->pre_count,bptr->flags);
- iptr = bptr->iinstr;
-
- for (i=0; i < bptr->icount; i++, iptr++) {
- printf("[");
- if (deadcode) {
- for (j = method->maxstack; j > 0; j--)
- printf(" ? ");
- }
- else
- icmd_print_stack(iptr->dst);
- printf("] %4d ", i);
- /* XXX remove */ /*fflush(stdout);*/
- show_icmd(iptr,deadcode);
- printf("\n");
}
+ else
+ icmd_print_stack(iptr->dst);
+ printf("] %4d ", i);
+ /* XXX remove */ /*fflush(stdout);*/
+ show_icmd(iptr,deadcode);
+ printf("\n");
+ }
- if (showdisassemble && (!deadcode)) {
+ if (showdisassemble && (!deadcode)) {
#if defined(__I386__) || defined(__X86_64__)
- u1 *u1ptr;
- int a;
+ u1 *u1ptr;
+ int a;
+ printf("\n");
+ i = bptr->mpc;
+ u1ptr = method->mcode + dseglen + i;
+
+ if (bptr->next != NULL) {
+ for (; i < bptr->next->mpc; i++, u1ptr++) {
+ a = disassinstr(u1ptr, i);
+ i += a;
+ u1ptr += a;
+ }
printf("\n");
- i = bptr->mpc;
- u1ptr = method->mcode + dseglen + i;
-
- if (bptr->next != NULL) {
- for (; i < bptr->next->mpc; i++, u1ptr++) {
- a = disassinstr(u1ptr, i);
- i += a;
- u1ptr += a;
- }
- printf("\n");
- } else {
- for (; u1ptr < (u1 *) (method->mcode + method->mcodelength); i++, u1ptr++) {
- a = disassinstr(u1ptr, i);
- i += a;
- u1ptr += a;
- }
- printf("\n");
+ } else {
+ for (; u1ptr < (u1 *) (method->mcode + method->mcodelength); i++, u1ptr++) {
+ a = disassinstr(u1ptr, i);
+ i += a;
+ u1ptr += a;
}
+ printf("\n");
+ }
#else
+ printf("\n");
+ i = bptr->mpc;
+ s4ptr = (s4 *) (method->mcode + dseglen + i);
+
+ if (bptr->next != NULL) {
+ for (; i < bptr->next->mpc; i += 4, s4ptr++) {
+ disassinstr(*s4ptr, i);
+ }
printf("\n");
- i = bptr->mpc;
- s4ptr = (s4 *) (method->mcode + dseglen + i);
-
- if (bptr->next != NULL) {
- for (; i < bptr->next->mpc; i += 4, s4ptr++) {
- disassinstr(*s4ptr, i);
- }
- printf("\n");
- }
- else {
- for (; s4ptr < (s4 *) (method->mcode + method->mcodelength); i += 4, s4ptr++) {
- disassinstr(*s4ptr, i);
- }
- printf("\n");
- }
+
+ } else {
+ for (; s4ptr < (s4 *) (method->mcode + method->mcodelength); i += 4, s4ptr++) {
+ disassinstr(*s4ptr, i);
+ }
+ printf("\n");
+ }
#endif
- }
}
+ }
}
-void
-show_icmd(instruction *iptr,bool deadcode)
+
+void show_icmd(instruction *iptr,bool deadcode)
{
int j;
s4 *s4ptr;
void **tptr;
- printf("%s",icmd_names[iptr->opc]);
+ printf("%s", icmd_names[iptr->opc]);
+
switch ((int) iptr->opc) {
- case ICMD_IADDCONST:
- case ICMD_ISUBCONST:
- case ICMD_IMULCONST:
- case ICMD_IDIVPOW2:
- case ICMD_IREMPOW2:
- case ICMD_IREM0X10001:
- case ICMD_IANDCONST:
- case ICMD_IORCONST:
- case ICMD_IXORCONST:
- case ICMD_ISHLCONST:
- case ICMD_ISHRCONST:
- case ICMD_IUSHRCONST:
- case ICMD_LSHLCONST:
- case ICMD_LSHRCONST:
- case ICMD_LUSHRCONST:
- case ICMD_ICONST:
- case ICMD_ELSE_ICONST:
- case ICMD_IFEQ_ICONST:
- case ICMD_IFNE_ICONST:
- case ICMD_IFLT_ICONST:
- case ICMD_IFGE_ICONST:
- case ICMD_IFGT_ICONST:
- case ICMD_IFLE_ICONST:
- printf(" %d", iptr->val.i);
- break;
- case ICMD_LADDCONST:
- case ICMD_LSUBCONST:
- case ICMD_LMULCONST:
- case ICMD_LDIVPOW2:
- case ICMD_LREMPOW2:
- case ICMD_LANDCONST:
- case ICMD_LORCONST:
- case ICMD_LXORCONST:
- case ICMD_LCONST:
+ case ICMD_IADDCONST:
+ case ICMD_ISUBCONST:
+ case ICMD_IMULCONST:
+ case ICMD_IDIVPOW2:
+ case ICMD_IREMPOW2:
+ case ICMD_IREM0X10001:
+ case ICMD_IANDCONST:
+ case ICMD_IORCONST:
+ case ICMD_IXORCONST:
+ case ICMD_ISHLCONST:
+ case ICMD_ISHRCONST:
+ case ICMD_IUSHRCONST:
+ case ICMD_LSHLCONST:
+ case ICMD_LSHRCONST:
+ case ICMD_LUSHRCONST:
+ case ICMD_ICONST:
+ case ICMD_ELSE_ICONST:
+ case ICMD_IFEQ_ICONST:
+ case ICMD_IFNE_ICONST:
+ case ICMD_IFLT_ICONST:
+ case ICMD_IFGE_ICONST:
+ case ICMD_IFGT_ICONST:
+ case ICMD_IFLE_ICONST:
+ printf(" %d", iptr->val.i);
+ break;
+
+ case ICMD_LADDCONST:
+ case ICMD_LSUBCONST:
+ case ICMD_LMULCONST:
+ case ICMD_LDIVPOW2:
+ case ICMD_LREMPOW2:
+ case ICMD_LANDCONST:
+ case ICMD_LORCONST:
+ case ICMD_LXORCONST:
+ case ICMD_LCONST:
#if defined(__I386__)
- printf(" %lld", iptr->val.l);
+ printf(" %lld", iptr->val.l);
#else
- printf(" %ld", iptr->val.l);
+ printf(" %ld", iptr->val.l);
#endif
- break;
- case ICMD_FCONST:
- printf(" %f", iptr->val.f);
- break;
- case ICMD_DCONST:
- printf(" %f", iptr->val.d);
- break;
- case ICMD_ACONST:
- printf(" %p", iptr->val.a);
- break;
- case ICMD_GETFIELD:
- case ICMD_PUTFIELD:
- printf(" %d,", ((fieldinfo *) iptr->val.a)->offset);
- case ICMD_PUTSTATIC:
- case ICMD_GETSTATIC:
- printf(" ");
- utf_fprint(stdout,
- ((fieldinfo *) iptr->val.a)->class->name);
- printf(".");
- utf_fprint(stdout,
- ((fieldinfo *) iptr->val.a)->name);
- printf(" (type ");
- utf_fprint(stdout,
- ((fieldinfo *) iptr->val.a)->descriptor);
- printf(")");
- break;
- case ICMD_IINC:
- printf(" %d + %d", iptr->op1, iptr->val.i);
- break;
+ break;
+
+ case ICMD_FCONST:
+ printf(" %f", iptr->val.f);
+ break;
+
+ case ICMD_DCONST:
+ printf(" %f", iptr->val.d);
+ break;
+
+ case ICMD_ACONST:
+ printf(" %p", iptr->val.a);
+ break;
+
+ case ICMD_GETFIELD:
+ case ICMD_PUTFIELD:
+ printf(" %d,", ((fieldinfo *) iptr->val.a)->offset);
+ case ICMD_PUTSTATIC:
+ case ICMD_GETSTATIC:
+ printf(" ");
+ utf_fprint(stdout,
+ ((fieldinfo *) iptr->val.a)->class->name);
+ printf(".");
+ utf_fprint(stdout,
+ ((fieldinfo *) iptr->val.a)->name);
+ printf(" (type ");
+ utf_fprint(stdout,
+ ((fieldinfo *) iptr->val.a)->descriptor);
+ printf(")");
+ break;
+
+ case ICMD_IINC:
+ printf(" %d + %d", iptr->op1, iptr->val.i);
+ break;
+
+ case ICMD_IASTORE:
+ case ICMD_SASTORE:
+ case ICMD_BASTORE:
+ case ICMD_CASTORE:
+ case ICMD_LASTORE:
+ case ICMD_DASTORE:
+ case ICMD_FASTORE:
+ case ICMD_AASTORE:
+
+ case ICMD_IALOAD:
+ case ICMD_SALOAD:
+ case ICMD_BALOAD:
+ case ICMD_CALOAD:
+ case ICMD_LALOAD:
+ case ICMD_DALOAD:
+ case ICMD_FALOAD:
+ case ICMD_AALOAD:
+ if (iptr->op1 != 0)
+ printf("(opt.)");
+ break;
+
+ case ICMD_RET:
+ case ICMD_ILOAD:
+ case ICMD_LLOAD:
+ case ICMD_FLOAD:
+ case ICMD_DLOAD:
+ case ICMD_ALOAD:
+ case ICMD_ISTORE:
+ case ICMD_LSTORE:
+ case ICMD_FSTORE:
+ case ICMD_DSTORE:
+ case ICMD_ASTORE:
+ printf(" %d", iptr->op1);
+ break;
+
+ case ICMD_NEW:
+ printf(" ");
+ utf_fprint(stdout,
+ ((classinfo *) iptr->val.a)->name);
+ break;
+
+ case ICMD_NEWARRAY:
+ switch (iptr->op1) {
+ case 4:
+ printf(" boolean");
+ break;
+ case 5:
+ printf(" char");
+ break;
+ case 6:
+ printf(" float");
+ break;
+ case 7:
+ printf(" double");
+ break;
+ case 8:
+ printf(" byte");
+ break;
+ case 9:
+ printf(" short");
+ break;
+ case 10:
+ printf(" int");
+ break;
+ case 11:
+ printf(" long");
+ break;
+ }
+ break;
- case ICMD_IASTORE:
- case ICMD_SASTORE:
- case ICMD_BASTORE:
- case ICMD_CASTORE:
- case ICMD_LASTORE:
- case ICMD_DASTORE:
- case ICMD_FASTORE:
- case ICMD_AASTORE:
-
- case ICMD_IALOAD:
- case ICMD_SALOAD:
- case ICMD_BALOAD:
- case ICMD_CALOAD:
- case ICMD_LALOAD:
- case ICMD_DALOAD:
- case ICMD_FALOAD:
- case ICMD_AALOAD:
- if (iptr->op1 != 0)
- printf("(opt.)");
- break;
+ case ICMD_ANEWARRAY:
+ if (iptr->op1) {
+ printf(" ");
+ utf_fprint(stdout,
+ ((classinfo *) iptr->val.a)->name);
+ }
+ break;
+
+ case ICMD_MULTIANEWARRAY:
+ {
+ vftbl *vft;
+ printf(" %d ",iptr->op1);
+ vft = (vftbl *)iptr->val.a;
+ if (vft)
+ utf_fprint(stdout,vft->class->name);
+ else
+ printf("<null>");
+ }
+ break;
+
+ case ICMD_CHECKCAST:
+ case ICMD_INSTANCEOF:
+ if (iptr->op1) {
+ classinfo *c = iptr->val.a;
+ if (c->flags & ACC_INTERFACE)
+ printf(" (INTERFACE) ");
+ else
+ printf(" (CLASS,%3d) ", c->vftbl->diffval);
+ utf_fprint(stdout, c->name);
+ }
+ break;
+
+ case ICMD_BUILTIN3:
+ case ICMD_BUILTIN2:
+ case ICMD_BUILTIN1:
+ printf(" %s", icmd_builtin_name((functionptr) iptr->val.a));
+ break;
+
+ case ICMD_INVOKEVIRTUAL:
+ case ICMD_INVOKESPECIAL:
+ case ICMD_INVOKESTATIC:
+ case ICMD_INVOKEINTERFACE:
+ printf(" ");
+ utf_fprint(stdout,
+ ((methodinfo *) iptr->val.a)->class->name);
+ printf(".");
+ utf_fprint(stdout,
+ ((methodinfo *) iptr->val.a)->name);
+ break;
+
+ case ICMD_IFEQ:
+ case ICMD_IFNE:
+ case ICMD_IFLT:
+ case ICMD_IFGE:
+ case ICMD_IFGT:
+ case ICMD_IFLE:
+ if (deadcode || !iptr->target)
+ printf("(%d) op1=%d", iptr->val.i, iptr->op1);
+ else
+ printf("(%d) L%03d", iptr->val.i, ((basicblock *) iptr->target)->debug_nr);
+ break;
+
+ case ICMD_IF_LEQ:
+ case ICMD_IF_LNE:
+ case ICMD_IF_LLT:
+ case ICMD_IF_LGE:
+ case ICMD_IF_LGT:
+ case ICMD_IF_LLE:
+ if (deadcode || !iptr->target)
+ printf("(%lld) op1=%d", iptr->val.l, iptr->op1);
+ else
+ printf("(%lld) L%03d", iptr->val.l, ((basicblock *) iptr->target)->debug_nr);
+ break;
+
+ case ICMD_JSR:
+ case ICMD_GOTO:
+ case ICMD_IFNULL:
+ case ICMD_IFNONNULL:
+ case ICMD_IF_ICMPEQ:
+ case ICMD_IF_ICMPNE:
+ case ICMD_IF_ICMPLT:
+ case ICMD_IF_ICMPGE:
+ case ICMD_IF_ICMPGT:
+ case ICMD_IF_ICMPLE:
+ case ICMD_IF_LCMPEQ:
+ case ICMD_IF_LCMPNE:
+ case ICMD_IF_LCMPLT:
+ case ICMD_IF_LCMPGE:
+ case ICMD_IF_LCMPGT:
+ case ICMD_IF_LCMPLE:
+ case ICMD_IF_ACMPEQ:
+ case ICMD_IF_ACMPNE:
+ if (deadcode || !iptr->target)
+ printf(" op1=%d", iptr->op1);
+ else
+ printf(" L%03d", ((basicblock *) iptr->target)->debug_nr);
+ break;
- case ICMD_RET:
- case ICMD_ILOAD:
- case ICMD_LLOAD:
- case ICMD_FLOAD:
- case ICMD_DLOAD:
- case ICMD_ALOAD:
- case ICMD_ISTORE:
- case ICMD_LSTORE:
- case ICMD_FSTORE:
- case ICMD_DSTORE:
- case ICMD_ASTORE:
- printf(" %d", iptr->op1);
- break;
- case ICMD_NEW:
- printf(" ");
- utf_fprint(stdout,
- ((classinfo *) iptr->val.a)->name);
- break;
- case ICMD_NEWARRAY:
- switch (iptr->op1) {
- case 4:
- printf(" boolean");
- break;
- case 5:
- printf(" char");
- break;
- case 6:
- printf(" float");
- break;
- case 7:
- printf(" double");
- break;
- case 8:
- printf(" byte");
- break;
- case 9:
- printf(" short");
- break;
- case 10:
- printf(" int");
- break;
- case 11:
- printf(" long");
- break;
- }
- break;
- case ICMD_ANEWARRAY:
- if (iptr->op1) {
- printf(" ");
- utf_fprint(stdout,
- ((classinfo *) iptr->val.a)->name);
- }
- break;
- case ICMD_MULTIANEWARRAY:
- {
- vftbl *vft;
- printf(" %d ",iptr->op1);
- vft = (vftbl *)iptr->val.a;
- if (vft)
- utf_fprint(stdout,vft->class->name);
- else
- printf("<null>");
- }
- break;
- case ICMD_CHECKCAST:
- case ICMD_INSTANCEOF:
- if (iptr->op1) {
- classinfo *c = iptr->val.a;
- if (c->flags & ACC_INTERFACE)
- printf(" (INTERFACE) ");
- else
- printf(" (CLASS,%3d) ", c->vftbl->diffval);
- utf_fprint(stdout, c->name);
- }
- break;
- case ICMD_BUILTIN3:
- case ICMD_BUILTIN2:
- case ICMD_BUILTIN1:
- printf(" %s", icmd_builtin_name((functionptr) iptr->val.a));
- break;
- case ICMD_INVOKEVIRTUAL:
- case ICMD_INVOKESPECIAL:
- case ICMD_INVOKESTATIC:
- case ICMD_INVOKEINTERFACE:
- printf(" ");
- utf_fprint(stdout,
- ((methodinfo *) iptr->val.a)->class->name);
- printf(".");
- utf_fprint(stdout,
- ((methodinfo *) iptr->val.a)->name);
- break;
- case ICMD_IFEQ:
- case ICMD_IFNE:
- case ICMD_IFLT:
- case ICMD_IFGE:
- case ICMD_IFGT:
- case ICMD_IFLE:
- if (deadcode || !iptr->target)
- printf("(%d) op1=%d", iptr->val.i, iptr->op1);
- else
- printf("(%d) L%03d", iptr->val.i, ((basicblock *) iptr->target)->debug_nr);
- break;
- case ICMD_IF_LEQ:
- case ICMD_IF_LNE:
- case ICMD_IF_LLT:
- case ICMD_IF_LGE:
- case ICMD_IF_LGT:
- case ICMD_IF_LLE:
- if (deadcode || !iptr->target)
- printf("(%lld) op1=%d", iptr->val.l, iptr->op1);
- else
- printf("(%lld) L%03d", iptr->val.l, ((basicblock *) iptr->target)->debug_nr);
- break;
- case ICMD_JSR:
- case ICMD_GOTO:
- case ICMD_IFNULL:
- case ICMD_IFNONNULL:
- case ICMD_IF_ICMPEQ:
- case ICMD_IF_ICMPNE:
- case ICMD_IF_ICMPLT:
- case ICMD_IF_ICMPGE:
- case ICMD_IF_ICMPGT:
- case ICMD_IF_ICMPLE:
- case ICMD_IF_LCMPEQ:
- case ICMD_IF_LCMPNE:
- case ICMD_IF_LCMPLT:
- case ICMD_IF_LCMPGE:
- case ICMD_IF_LCMPGT:
- case ICMD_IF_LCMPLE:
- case ICMD_IF_ACMPEQ:
- case ICMD_IF_ACMPNE:
- if (deadcode || !iptr->target)
- printf(" op1=%d", iptr->op1);
- else
- printf(" L%03d", ((basicblock *) iptr->target)->debug_nr);
- break;
- case ICMD_TABLESWITCH:
+ case ICMD_TABLESWITCH:
+ s4ptr = (s4*)iptr->val.a;
- s4ptr = iptr->val.a;
+ if (deadcode || !iptr->target) {
+ printf(" %d;", *s4ptr);
+ }
+ else {
+ tptr = (void **) iptr->target;
+ printf(" L%03d;", ((basicblock *) *tptr)->debug_nr);
+ tptr++;
+ }
- if (deadcode || !iptr->target) {
- printf(" %d;", *s4ptr);
- }
- else {
- tptr = (void **) iptr->target;
- printf(" L%03d;", ((basicblock *) *tptr)->debug_nr);
- tptr++;
- }
+ s4ptr++; /* skip default */
+ j = *s4ptr++; /* low */
+ j = *s4ptr++ - j; /* high */
+ while (j >= 0) {
+ if (deadcode || !*tptr)
+ printf(" %d", *s4ptr++);
+ else {
+ printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
+ tptr++;
+ }
+ j--;
+ }
+ break;
- s4ptr++; /* skip default */
- j = *s4ptr++; /* low */
- j = *s4ptr++ - j; /* high */
- while (j >= 0) {
- if (deadcode || !*tptr)
- printf(" %d", *s4ptr++);
- else {
- printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
- tptr++;
- }
- j--;
- }
- break;
- case ICMD_LOOKUPSWITCH:
- s4ptr = iptr->val.a;
+ case ICMD_LOOKUPSWITCH:
+ s4ptr = (s4*)iptr->val.a;
- if (deadcode || !iptr->target) {
- printf(" %d;", *s4ptr);
- }
- else {
- tptr = (void **) iptr->target;
- printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
- tptr++;
- }
- s4ptr++; /* default */
- j = *s4ptr++; /* count */
+ if (deadcode || !iptr->target) {
+ printf(" %d;", *s4ptr);
+ }
+ else {
+ tptr = (void **) iptr->target;
+ printf(" L%03d;", ((basicblock *) *tptr)->debug_nr);
+ tptr++;
+ }
+ s4ptr++; /* default */
+ j = *s4ptr++; /* count */
- while (--j >= 0) {
- if (deadcode || !*tptr) {
- s4ptr++; /* skip value */
- printf(" %d",*s4ptr++);
- }
- else {
- printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
- tptr++;
- }
- }
- break;
+ while (--j >= 0) {
+ if (deadcode || !*tptr) {
+ s4ptr++; /* skip value */
+ printf(" %d",*s4ptr++);
+ }
+ else {
+ printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
+ tptr++;
+ }
+ }
+ break;
}
}
+
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where