Authors: Andreas Krall
Reinhard Grafl
- $Id: asmpart.S 961 2004-03-15 00:35:39Z twisti $
+ $Id: asmpart.S 979 2004-03-25 23:46:22Z twisti $
*/
#include "offsets.h"
+
+#define MethodPointer -8
+#define FrameSize -12
+#define IsSync -16
+#define IsLeaf -20
+#define IntSave -24
+#define FltSave -28
+#define ExTableSize -32
+#define ExTableStart -32
+
+#define ExEntrySize -16
+#define ExStartPC -4
+#define ExEndPC -8
+#define ExHandlerPC -12
+#define ExCatchType -16
+
#define itmp1 r11
#define itmp2 r12
#define itmp3 r0
#define mptr r12
#define mptrn 12
+
.text
.align 2
- .globl _builtin_throw_exception
+ .globl _asm_docalljavamethod
+ .globl _asm_calljavafunction2
+ .globl _asm_calljavafunction2long
+ .globl _asm_calljavafunction2double
+ .globl _asm_call_jit_compiler
+
.globl _jit_compile
+ .globl _asm_handle_nat_exception
+ .globl _asm_handle_exception
.globl _asm_check_clinit
.globl _asm_builtin_checkarraycast
- .globl _class_init
+ .globl _asm_builtin_aastore
.globl _builtin_canstore
.globl _builtin_trace_exception
.globl _builtin_monitorenter
.globl _builtin_ldiv
.globl _builtin_lrem
.globl _builtin_checkarraycast
- .globl _proto_java_lang_NullPointerException
- .globl _proto_java_lang_ArrayIndexOutOfBoundsException
- .globl _proto_java_lang_ArrayStoreException
- .globl _proto_java_lang_ArithmeticException
- .globl _proto_java_lang_ClassCastException
+ .globl _asm_builtin_monitorenter
+ .globl _asm_builtin_monitorexit
+ .globl _asm_builtin_idiv
+ .globl _asm_builtin_irem
+ .globl _asm_builtin_ldiv
+ .globl _asm_builtin_lrem
+ .globl _asm_cacheflush
+ .globl _asm_initialize_thread_stack
+ .globl _asm_perform_threadswitch
+ .globl _asm_switchstackandcall
+ .globl _string_java_lang_NullPointerException
+ .globl _string_java_lang_ArrayIndexOutOfBoundsException
+ .globl _string_java_lang_ArrayStoreException
+ .globl _string_java_lang_ArithmeticException
+ .globl _string_java_lang_ArithmeticException_message
+ .globl _string_java_lang_ClassCastException
+
+ .globl _builtin_throw_exception
+ .globl _class_init
.globl _catch_Handler
+ .globl _new_exception
+ .globl _new_exception_message
+ .globl _new_exception_int
+
+ .globl _asm_sighandler
+
+jitcompile:
+ .long _jit_compile
+
+class_init:
+ .long _class_init
+
+builtinthrow:
+ .long _builtin_throw_exception
+
+builtin_traceexception:
+ .long _builtin_trace_exception
+builtin_monitorenter:
+ .long _builtin_monitorenter
+builtin_monitorexit:
+ .long _builtin_monitorexit
+builtin_ldiv:
+ .long _builtin_ldiv
+builtin_lrem:
+ .long _builtin_lrem
+
+builtincanstore:
+ .long _builtin_canstore
+builtincheckarraycast:
+ .long _builtin_checkarraycast
+
+new_exception:
+ .long _new_exception
+new_exception_message:
+ .long _new_exception_message
+new_exception_int:
+ .long _new_exception_int
+
+string_java_lang_NullPointerException:
+ .long _string_java_lang_NullPointerException
+string_java_lang_ArrayIndexOutOfBoundsException:
+ .long _string_java_lang_ArrayIndexOutOfBoundsException
+string_java_lang_ArrayStoreException:
+ .long _string_java_lang_ArrayStoreException
+string_java_lang_ArithmeticException:
+ .long _string_java_lang_ArithmeticException
+string_java_lang_ArithmeticException_message:
+ .long _string_java_lang_ArithmeticException_message
+string_java_lang_ClassCastException:
+ .long _string_java_lang_ClassCastException
+
+catch_Handler:
+ .long _catch_Handler
+
#define MethodPointer -8
#define FrameSize -12
#define ExHandlerPC -12
#define ExCatchType -16
- .align 2
-builtinthrow:
- .long _builtin_throw_exception
.align 2
.long 0 /* catch type all */
.long 0 /* padding */
-.globl _asm_docalljavamethod
_asm_docalljavamethod:
mflr r0
stw r31,-4(r1)
.long 0 /* method pointer (pointer to name) */
.long 0 /* padding */
-.globl _asm_calljavafunction2
-.globl _asm_calljavafunction2long
-.globl _asm_calljavafunction2double
_asm_calljavafunction2:
_asm_calljavafunction2long:
_asm_calljavafunction2double:
b calljava_regrestore2
-
-
-jitcompile:
- .long _jit_compile
-
-.globl _asm_call_jit_compiler
_asm_call_jit_compiler:
0:
mflr itmp1
bctr
-builtin_traceexception:
- .long _builtin_trace_exception
-builtin_monitorenter:
- .long _builtin_monitorenter
-builtin_monitorexit:
- .long _builtin_monitorexit
-builtin_ldiv:
- .long _builtin_ldiv
-builtin_lrem:
- .long _builtin_lrem
-.globl _asm_handle_nat_exception
_asm_handle_nat_exception:
mflr r2
lwz itmp3,4(r2)
slwi itmp3,itmp3,16
add pv,pv,itmp3
- .globl _asm_handle_exception
_asm_handle_exception:
addi r1,r1,-18*4
stw r0,0*4(r1)
stw xptr,2*4(r1)
stw r2,3*4(r1)
- lwz r3,0*4(r1) /* exception pointer */
- lwz r4,MethodPointer(pv) /* method pointer */
- mr r5,xpc /* exception pc */
+ lwz r3,0*4(r1) /* exception pointer */
+ lwz r4,MethodPointer(pv) /* method pointer */
+ mr r5,xpc /* exception pc */
/* mr r6,r2 */
- li r6,1 /* set no unwind flag */
+ li r6,0 /* line number */
+ li r7,4 /* set no unwind flag */
bl 0f
0:
mflr itmp1
lwz itmp1,lo16(builtin_traceexception-0b)(itmp1)
mtctr itmp1
- addi r1,r1,-40
+ addi r1,r1,-(24+5*4) /* 24 linkage area + 5 argument * 4 */
bctrl
- addi r1,r1,40
+ addi r1,r1,(24+5*4)
- lwz xptr,2*4(r1)
- mtlr xptr
- lwz xptr,0*4(r1)
- lwz xpc,1*4(r1)
- lwz r2,3*4(r1)
- addi r1,r1,4*4
+ lwz xptr,2*4(r1)
+ mtlr xptr
+ lwz xptr,0*4(r1) /* restore xptr */
+ lwz xpc,1*4(r1)
+ lwz r2,3*4(r1)
+ addi r1,r1,4*4
- lwz r3,ExTableSize(pv)
- mr. r3,r3
- beq empty_table
- addi r4,pv,ExTableStart
+ lwz r3,ExTableSize(pv) /* r3 = exception table size */
+ mr. r3,r3 /* if empty table skip */
+ beq empty_table
+
+ addi r4,pv,ExTableStart /* r4 = start of exception table */
ex_table_loop:
- lwz r5,ExStartPC(r4)
- cmplw r5,xpc
- bgt ex_table_cont
- lwz r5,ExEndPC(r4)
- cmplw xpc,r5
- bge ex_table_cont
- lwz r7,ExCatchType(r4)
- mr. r7,r7
- beq ex_handle_it
-
- lwz r6,offobjvftbl(xptr)
- lwz r7,offclassvftbl(r7)
- lwz r6,offbaseval(r6)
- lwz r8,offbaseval(r7)
- lwz r7,offdiffval(r7)
- subf r6,r8,r6
- cmplw r6,r7
- bgt ex_table_cont
+ lwz r5,ExStartPC(r4)
+ cmplw r5,xpc
+ bgt ex_table_cont
+ lwz r5,ExEndPC(r4)
+ cmplw xpc,r5
+ bge ex_table_cont
+ lwz r7,ExCatchType(r4)
+ mr. r7,r7
+ beq ex_handle_it
+
+ lwz r6,offobjvftbl(xptr) /* r6 = vftblptr(xptr) */
+ lwz r7,offclassvftbl(r7) /* r7 = vftblptr(catchtype) class (not obj) */
+ lwz r6,offbaseval(r6) /* r6 = baseval(xptr) */
+ lwz r8,offbaseval(r7) /* r8 = baseval(catchtype) */
+ lwz r7,offdiffval(r7) /* r7 = diffval(catchtype) */
+ subf r6,r8,r6 /* r6 = baseval(xptr) - baseval(catchtype) */
+ cmplw r6,r7 /* xptr is instanceof catchtype */
+ bgt ex_table_cont /* if (false) continue */
ex_handle_it:
- lwz xpc,ExHandlerPC(r4)
- mr. r2,r2
- beq ex_jump
-
- lwz r0,0*4(r1)
- lwz r2,1*4(r1)
- lwz r3,2*4(r1)
- lwz r4,3*4(r1)
- lwz r5,4*4(r1)
- lwz r6,5*4(r1)
- lwz r7,6*4(r1)
- lwz r8,7*4(r1)
- lwz r9,8*4(r1)
- lwz r10,9*4(r1)
- lwz r16,10*4(r1)
- lwz r17,11*4(r1)
- lwz r18,12*4(r1)
- lwz r19,13*4(r1)
- lwz r20,14*4(r1)
- lwz r21,15*4(r1)
- lwz r22,16*4(r1)
- lwz r23,17*4(r1)
- addi r1,r1,18*4
+ lwz xpc,ExHandlerPC(r4) /* xpc = exception handler pc */
+ mr. r2,r2
+ beq ex_jump
+
+ lwz r0,0*4(r1)
+ lwz r2,1*4(r1)
+ lwz r3,2*4(r1)
+ lwz r4,3*4(r1)
+ lwz r5,4*4(r1)
+ lwz r6,5*4(r1)
+ lwz r7,6*4(r1)
+ lwz r8,7*4(r1)
+ lwz r9,8*4(r1)
+ lwz r10,9*4(r1)
+ lwz r16,10*4(r1)
+ lwz r17,11*4(r1)
+ lwz r18,12*4(r1)
+ lwz r19,13*4(r1)
+ lwz r20,14*4(r1)
+ lwz r21,15*4(r1)
+ lwz r22,16*4(r1)
+ lwz r23,17*4(r1)
+ addi r1,r1,18*4
ex_jump:
- mtctr xpc
+ mtctr xpc
bctr
ex_table_cont:
- addi r4,r4,ExEntrySize
- addic. r3,r3,-1
- bgt ex_table_loop
+ addi r4,r4,ExEntrySize
+ addic. r3,r3,-1
+ bgt ex_table_loop
empty_table:
- mr. r2,r2
- beq ex_already_cleared
- addi r1,r1,18*4
- li r2,0
+ mr. r2,r2 /* if here the first time, then */
+ beq ex_already_cleared
+ addi r1,r1,18*4 /* deallocate stack and */
+ li r2,0 /* clear the no unwind flag */
ex_already_cleared:
- lwz r3,IsSync(pv)
- mr. r3,r3
- beq no_monitor_exit
- add r3,r1,r3
- lwz r6,-4(r3)
-
- addi r1,r1,-6*4
- stw r3,0*4(r1)
- stw r4,1*4(r1)
- stw r2,2*4(r1)
- stw xptr,3*4(r1)
- stw xpc,4*4(r1)
- mflr xptr
- stw xptr,5*4(r1)
+ lwz r3,IsSync(pv)
+ mr. r3,r3
+ beq no_monitor_exit
+ add r3,r1,r3
+ lwz r6,-4(r3)
+
+ addi r1,r1,-6*4
+ stw r3,0*4(r1)
+ stw r4,1*4(r1)
+ stw r2,2*4(r1)
+ stw xptr,3*4(r1)
+ stw xpc,4*4(r1)
+ mflr xptr
+ stw xptr,5*4(r1)
- mr r3,r6
- bl 0f
+ mr r3,r6
+ bl 0f
0:
- mflr itmp1
- lwz itmp1,lo16(builtin_monitorexit-0b)(itmp1)
- mtctr itmp1
- addi r1,r1,-40
+ mflr itmp1
+ lwz itmp1,lo16(builtin_monitorexit-0b)(itmp1)
+ mtctr itmp1
+ addi r1,r1,-40
bctrl
- addi r1,r1,40
+ addi r1,r1,40
- lwz xptr,5*4(r1)
- mtlr xptr
- lwz r3,0*4(r1)
- lwz r4,1*4(r1)
- lwz r2,2*4(r1)
- lwz xptr,3*4(r1)
- lwz xpc,4*4(r1)
- addi r1,r1,6*4
+ lwz xptr,5*4(r1)
+ mtlr xptr
+ lwz r3,0*4(r1)
+ lwz r4,1*4(r1)
+ lwz r2,2*4(r1)
+ lwz xptr,3*4(r1)
+ lwz xpc,4*4(r1)
+ addi r1,r1,6*4
no_monitor_exit:
- lwz r3,FrameSize(pv)
- add r1,r1,r3
- mr r3,r1
- lwz r4,IsLeaf(pv)
- mr. r4,r4
- bne ex_no_restore
- lwz r4,8(r3)
- mtlr r4
+ lwz r3,FrameSize(pv) /* r3 = frame size */
+ add r1,r1,r3 /* unwind stack */
+ mr r3,r1 /* r3 = pointer to save area */
+ lwz r4,IsLeaf(pv) /* r4 = is leaf procedure */
+ mr. r4,r4
+ bne ex_no_restore /* if (leaf) skip */
+ lwz r4,8(r3) /* restore ra */
+ mtlr r4 /* t0-- */
ex_no_restore:
- mflr r4
- mr xpc,r4
- lwz r4,IntSave(pv)
- bl ex_int1
+ mflr r4 /* the new xpc is ra */
+ mr xpc,r4
+ lwz r4,IntSave(pv) /* r4 = saved int register count */
+ bl ex_int1
ex_int1:
- mflr r5
- addi r5,r5,lo16(ex_int2-ex_int1)
- slwi r4,r4,2
- subf r5,r4,r5
- mtctr r5
+ mflr r5
+ addi r5,r5,lo16(ex_int2-ex_int1)
+ slwi r4,r4,2
+ subf r5,r4,r5
+ mtctr r5
bctr
- lwz r14,-40(r3)
- lwz r15,-36(r3)
- lwz r24,-32(r3)
- lwz r25,-28(r3)
- lwz r26,-24(r3)
- lwz r27,-20(r3)
- lwz r28,-16(r3)
- lwz r29,-12(r3)
- lwz r30,-8(r3)
- lwz r31,-4(r3)
+ lwz r14,-40(r3)
+ lwz r15,-36(r3)
+ lwz r24,-32(r3)
+ lwz r25,-28(r3)
+ lwz r26,-24(r3)
+ lwz r27,-20(r3)
+ lwz r28,-16(r3)
+ lwz r29,-12(r3)
+ lwz r30,-8(r3)
+ lwz r31,-4(r3)
ex_int2:
- subf r3,r4,r3
+ subf r3,r4,r3
- lwz r4,FltSave(pv)
- bl ex_flt1
+ lwz r4,FltSave(pv)
+ bl ex_flt1
ex_flt1:
- mflr r5
- addi r5,r5,lo16(ex_flt2-ex_flt1)
- slwi r4,r4,2
- subf r5,r4,r5
- mtctr r5
+ mflr r5
+ addi r5,r5,lo16(ex_flt2-ex_flt1)
+ slwi r4,r4,2
+ subf r5,r4,r5
+ mtctr r5
bctr
- lfd f14,-80(r3)
- lfd f15,-72(r3)
- lfd f24,-64(r3)
- lfd f25,-56(r3)
- lfd f26,-48(r3)
- lfd f27,-40(r3)
- lfd f28,-32(r3)
- lfd f29,-24(r3)
- lfd f30,-16(r3)
- lfd f31,-8(r3)
+ lfd f14,-80(r3)
+ lfd f15,-72(r3)
+ lfd f24,-64(r3)
+ lfd f25,-56(r3)
+ lfd f26,-48(r3)
+ lfd f27,-40(r3)
+ lfd f28,-32(r3)
+ lfd f29,-24(r3)
+ lfd f30,-16(r3)
+ lfd f31,-8(r3)
ex_flt2:
- mtlr xpc
- lwz itmp3,4(xpc)
- extsh itmp3,itmp3
- add pv,itmp3,xpc
- lwz itmp3,8(xpc)
- srwi itmp3,itmp3,16
- cmpwi itmp3,0x3dad
- bne ex_stack_loop
- lwz itmp3,8(xpc)
- slwi itmp3,itmp3,16
- add pv,pv,itmp3
- b ex_stack_loop
+ mtlr xpc
+ lwz itmp3,4(xpc)
+ extsh itmp3,itmp3
+ add pv,itmp3,xpc
+ lwz itmp3,8(xpc)
+ srwi itmp3,itmp3,16
+ cmpwi itmp3,0x3dad
+ bne ex_stack_loop
+ lwz itmp3,8(xpc)
+ slwi itmp3,itmp3,16
+ add pv,pv,itmp3
+ b ex_stack_loop
/********************* asm_check_clinit ****************************************
* *
*******************************************************************************/
-class_init:
- .long _class_init
-
_asm_check_clinit:
0:
lwz itmp2,offclassinit(itmp1)
blr
+/******************* function asm_builtin_checkarraycast ***********************
+* *
+* Does the cast check and eventually throws an exception *
+* *
+*******************************************************************************/
+
_asm_builtin_checkarraycast:
0:
- mflr r0
- stw r0,8(r1)
- stwu r1,-48(r1)
+ mflr r0
+ stw r0,8(r1)
+ stwu r1,-48(r1)
- stw r3,32(r1)
- lwz itmp1,lo16(builtincheckarraycast-0b)(pv)
- mtctr itmp1
+ stw r3,32(r1)
+ lwz itmp1,lo16(builtincheckarraycast-0b)(pv)
+ mtctr itmp1
bctrl
- lwz r0,48+8(r1)
- mtlr r0
- mr. r3,r3
- beq nb_carray_throw
- lwz r3,32(r1)
- addi r1,r1,48
+ lwz r0,48+8(r1)
+ mtlr r0
+ mr. r3,r3
+ beq nb_carray_throw
+ lwz r3,32(r1)
+ addi r1,r1,48
blr
nb_carray_throw:
- lwz xptr,lo16(proto_java_lang_ClassCastException-0b)(pv)
- lwz xptr,0(xptr)
- addi r1,r1,48
- mflr xpc
- b _asm_handle_nat_exception
-
-.globl _asm_builtin_checkcast
-_asm_builtin_checkcast:
-0:
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
+ addi r1,r1,48
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_ClassCastException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,24+4
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
+/******************* function asm_builtin_aastore ******************************
+* *
+* Does the cast check and eventually throws an exception *
+* *
+*******************************************************************************/
-
-
-
-
-builtincanstore:
- .long _builtin_canstore
-builtincheckarraycast:
- .long _builtin_checkarraycast
-
-.globl _asm_builtin_aastore
_asm_builtin_aastore:
0:
- mr. r3,r3
- beq nb_aastore_null
- mflr r0
- stw r0,8(r1)
- stwu r1,-48(r1)
-
- lwz itmp1,offarraysize(r3)
- slwi itmp3,r4,2
- add itmp2,r3,itmp3
- cmplw r4,itmp1
- bge nb_aastore_bound
- mr r4,r5
- stw itmp2,32(r1)
- stw r4,36(r1)
-// addis pv,r31,ha16(builtincanstore-0b)
- lwz itmp1,lo16(builtincanstore-0b)(pv)
- mtctr itmp1
+ mr. r3,r3
+ beq nb_aastore_null
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-48
+
+ lwz itmp1,offarraysize(r3)
+ slwi itmp3,r4,2
+ add itmp2,r3,itmp3
+ cmplw r4,itmp1
+ bge nb_aastore_bound
+ mr r4,r5
+ stw itmp2,32(r1)
+ stw r4,36(r1)
+// addis pv,r31,ha16(builtincanstore-0b)
+ lwz itmp1,lo16(builtincanstore-0b)(pv)
+ mtctr itmp1
bctrl
- lwz r0,48+8(r1)
- mtlr r0
- lwz itmp1,32(r1)
- lwz itmp2,36(r1)
- addi r1,r1,48
- mr. r3,r3
- beq nb_aastore_throw
- stw itmp2,offobjarrdata(itmp1)
+ lwz r0,48+8(r1)
+ mtlr r0
+ lwz itmp1,32(r1)
+ lwz itmp2,36(r1)
+ addi r1,r1,48
+ mr. r3,r3
+ beq nb_aastore_store
+ stw itmp2,offobjarrdata(itmp1)
blr
-proto_java_lang_NullPointerException:
- .long _proto_java_lang_NullPointerException
-proto_java_lang_ArrayIndexOutOfBoundsException:
- .long _proto_java_lang_ArrayIndexOutOfBoundsException
-proto_java_lang_ArrayStoreException:
- .long _proto_java_lang_ArrayStoreException
-proto_java_lang_ArithmeticException:
- .long _proto_java_lang_ArithmeticException
-proto_java_lang_ClassCastException:
- .long _proto_java_lang_ClassCastException
-
nb_aastore_null:
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-nb_aastore_bound:
- lwz xptr,lo16(proto_java_lang_ArrayIndexOutOfBoundsException-0b)(pv)
- lwz xptr,0(xptr)
- addi r1,r1,48
- mflr xpc
- b _asm_handle_nat_exception
-nb_aastore_throw:
- lwz xptr,lo16(proto_java_lang_ArrayStoreException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-
-
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_NullPointerException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
-.globl _asm_dumpregistersandcall
-_asm_dumpregistersandcall:
- mflr r0
- stw r0,8(r1)
-
- stw r16,-72(r1)
- stw r17,-68(r1)
- stw r18,-64(r1)
- stw r19,-60(r1)
- stw r20,-56(r1)
- stw r21,-52(r1)
- stw r22,-48(r1)
- stw r23,-44(r1)
-
- stw r14,-40(r1)
- stw r15,-36(r1)
- stw r24,-32(r1)
- stw r25,-28(r1)
- stw r26,-24(r1)
- stw r27,-20(r1)
- stw r28,-16(r1)
- stw r29,-12(r1)
- stw r30,-8(r1)
- stw r31,-4(r1)
- addi r1,r1,-96
+nb_aastore_bound:
+ addi r1,r1,48
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArrayIndexOutOfBoundsException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception_int-0b)(pv)
+ mtctr itmp1
+ bctrl /* r4 already contains the index */
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
- mtctr r3
+nb_aastore_store:
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_ArrayStoreException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
bctrl
+ mr xptr,r3
+ addi r1,r1,(24+4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
- lwz r0,96+8(r1)
- mtlr r0
- addi r1,r1,96
- blr
-
-
-.globl _asm_builtin_monitorenter
_asm_builtin_monitorenter:
0:
- lwz itmp2,lo16(builtin_monitorenter-0b)(pv)
- mr. r3,r3
- beq nb_monitorenter
- mtctr itmp2
+ lwz itmp2,lo16(builtin_monitorenter-0b)(pv)
+ mr. r3,r3
+ beq nb_monitorenter
+ mtctr itmp2
bctr
+
nb_monitorenter:
- mflr r2
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- addi xpc,r2,-4
- b _asm_handle_nat_exception
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_NullPointerException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,24+4
+ lwz r0,8(r1)
+/* addi xpc,r0,-4 */
+ mr xpc,r0
+ addi xpc,xpc,-4
+
+ mtlr r0
+ b _asm_handle_nat_exception
+
-.globl _asm_builtin_monitorexit
_asm_builtin_monitorexit:
0:
- lwz itmp2,lo16(builtin_monitorexit-0b)(pv)
- mr. r3,r3
- beq nb_monitorexit
- mtctr itmp2
+ lwz itmp2,lo16(builtin_monitorexit-0b)(pv)
+ mr. r3,r3
+ beq nb_monitorexit
+ mtctr itmp2
bctr
+
nb_monitorexit:
- mflr r2
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- addi xpc,r2,-4
- b _asm_handle_nat_exception
-
-
-
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_NullPointerException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,24+4
+ lwz r0,8(r1)
+/* addi xpc,r0,-4 */
+ mr xpc,r0
+ addi xpc,xpc,-4
+
+ mtlr r0
+ b _asm_handle_nat_exception
-.globl _synchronize_caches
-_synchronize_caches:
- blr
-.globl _asm_getcallingmethod
-_asm_getcallingmethod:
- li r3,0
- blr
-
-.globl _asm_builtin_ldiv
-_asm_builtin_ldiv:
-0:
- or. r0,r5,r6
- beq nb_ldiv
- lwz itmp1,lo16(builtin_ldiv-0b)(pv)
- mtctr itmp1
- bctr
-nb_ldiv:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-
-.globl _asm_builtin_lrem
-_asm_builtin_lrem:
-0:
- or. r0,r5,r6
- beq nb_lrem
- lwz itmp1,lo16(builtin_lrem-0b)(pv)
- mtctr itmp1
- bctr
-nb_lrem:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-
-.globl _asm_builtin_idiv
_asm_builtin_idiv:
0:
- mr. r4,r4
- beq nb_idiv
- lis itmp3,0x8000
- cmpw r3,itmp3
- bne normal_idiv
- cmpwi r4,-1
- bne normal_idiv
+ mr. r4,r4
+ beq nb_idiv
+ lis itmp3,0x8000
+ cmpw r3,itmp3
+ bne normal_idiv
+ cmpwi r4,-1
+ bne normal_idiv
blr
+
normal_idiv:
- divw r3,r3,r4
+ divw r3,r3,r4
blr
+
nb_idiv:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
+
-.globl _asm_builtin_irem
_asm_builtin_irem:
0:
- mr itmp2,r3
- mr. r4,r4
- beq nb_irem
- lis itmp3,0x8000
- cmpw itmp2,itmp3
- bne normal_irem
- cmpwi r4,-1
- bne normal_irem
- li r3,0
+ mr itmp2,r3
+ mr. r4,r4
+ beq nb_irem
+ lis itmp3,0x8000
+ cmpw itmp2,itmp3
+ bne normal_irem
+ cmpwi r4,-1
+ bne normal_irem
+ li r3,0
beqlr
+
normal_irem:
- divw itmp3,itmp2,r4
- mullw itmp3,itmp3,r4
- subf r3,itmp3,itmp2
+ divw itmp3,itmp2,r4
+ mullw itmp3,itmp3,r4
+ subf r3,itmp3,itmp2
blr
+
nb_irem:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
-
-
-.globl _has_no_x_instr_set
-_has_no_x_instr_set:
- li r3,0
- blr
+_asm_builtin_ldiv:
+0:
+ or. r0,r5,r6
+ beq nb_ldiv
+ lwz itmp1,lo16(builtin_ldiv-0b)(pv)
+ mtctr itmp1
+ bctr
+
+nb_ldiv:
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
+
+
+ _asm_builtin_lrem:
+0:
+ or. r0,r5,r6
+ beq nb_lrem
+ lwz itmp1,lo16(builtin_lrem-0b)(pv)
+ mtctr itmp1
+ bctr
+
+nb_lrem:
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
- .globl _asm_cacheflush
_asm_cacheflush:
- addi r4,r4,31
- mr r5,r3
- add r4,r3,r4
+ addi r4,r4,31
+ mr r5,r3
+ add r4,r3,r4
1:
- cmplw r3,r4
- bge 0f
- dcbst 0,r3
- addi r3,r3,32
- b 1b
+ cmplw r3,r4
+ bge 0f
+ dcbst 0,r3
+ addi r3,r3,32
+ b 1b
0:
sync
1:
- cmplw r5,r4
- bge 0f
- icbi 0,r5
- addi r5,r5,32
- b 1b
+ cmplw r5,r4
+ bge 0f
+ icbi 0,r5
+ addi r5,r5,32
+ b 1b
0:
sync
isync
blr
+
.align 3
doublezero:
.double 0.0
-.globl _asm_initialize_thread_stack
_asm_initialize_thread_stack:
addi r4,r4,-256
stw r3,120(r4)
mr r3,r4
blr
-.globl _asm_perform_threadswitch
+
_asm_perform_threadswitch:
mflr r0
addi r1,r1,-224
blr
-
-.globl _asm_switchstackandcall
_asm_switchstackandcall:
mflr r0
addi r3,r3,-48
blr
-
- .globl _my_dump
-_my_dump:
- mflr r0
- bl 0f
-0:
- mflr itmp1
- mtlr r0
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(itmp1)
- lwz xptr,0(xptr)
- b _asm_handle_exception
-
-
-
-
-
#define C_RED_ZONE 224
-catch_Handler:
- .long _catch_Handler
-
- .globl _asm_sighandler
_asm_sighandler:
addi r1,r1,-32*4 - 32 - C_RED_ZONE
stmw r0,32(r1)
Authors: Andreas Krall
Reinhard Grafl
- $Id: asmpart.S 961 2004-03-15 00:35:39Z twisti $
+ $Id: asmpart.S 979 2004-03-25 23:46:22Z twisti $
*/
#include "offsets.h"
+
+#define MethodPointer -8
+#define FrameSize -12
+#define IsSync -16
+#define IsLeaf -20
+#define IntSave -24
+#define FltSave -28
+#define ExTableSize -32
+#define ExTableStart -32
+
+#define ExEntrySize -16
+#define ExStartPC -4
+#define ExEndPC -8
+#define ExHandlerPC -12
+#define ExCatchType -16
+
#define itmp1 r11
#define itmp2 r12
#define itmp3 r0
#define mptr r12
#define mptrn 12
+
.text
.align 2
- .globl _builtin_throw_exception
+ .globl _asm_docalljavamethod
+ .globl _asm_calljavafunction2
+ .globl _asm_calljavafunction2long
+ .globl _asm_calljavafunction2double
+ .globl _asm_call_jit_compiler
+
.globl _jit_compile
+ .globl _asm_handle_nat_exception
+ .globl _asm_handle_exception
.globl _asm_check_clinit
.globl _asm_builtin_checkarraycast
- .globl _class_init
+ .globl _asm_builtin_aastore
.globl _builtin_canstore
.globl _builtin_trace_exception
.globl _builtin_monitorenter
.globl _builtin_ldiv
.globl _builtin_lrem
.globl _builtin_checkarraycast
- .globl _proto_java_lang_NullPointerException
- .globl _proto_java_lang_ArrayIndexOutOfBoundsException
- .globl _proto_java_lang_ArrayStoreException
- .globl _proto_java_lang_ArithmeticException
- .globl _proto_java_lang_ClassCastException
+ .globl _asm_builtin_monitorenter
+ .globl _asm_builtin_monitorexit
+ .globl _asm_builtin_idiv
+ .globl _asm_builtin_irem
+ .globl _asm_builtin_ldiv
+ .globl _asm_builtin_lrem
+ .globl _asm_cacheflush
+ .globl _asm_initialize_thread_stack
+ .globl _asm_perform_threadswitch
+ .globl _asm_switchstackandcall
+ .globl _string_java_lang_NullPointerException
+ .globl _string_java_lang_ArrayIndexOutOfBoundsException
+ .globl _string_java_lang_ArrayStoreException
+ .globl _string_java_lang_ArithmeticException
+ .globl _string_java_lang_ArithmeticException_message
+ .globl _string_java_lang_ClassCastException
+
+ .globl _builtin_throw_exception
+ .globl _class_init
.globl _catch_Handler
+ .globl _new_exception
+ .globl _new_exception_message
+ .globl _new_exception_int
+
+ .globl _asm_sighandler
+
+jitcompile:
+ .long _jit_compile
+
+class_init:
+ .long _class_init
+
+builtinthrow:
+ .long _builtin_throw_exception
+
+builtin_traceexception:
+ .long _builtin_trace_exception
+builtin_monitorenter:
+ .long _builtin_monitorenter
+builtin_monitorexit:
+ .long _builtin_monitorexit
+builtin_ldiv:
+ .long _builtin_ldiv
+builtin_lrem:
+ .long _builtin_lrem
+
+builtincanstore:
+ .long _builtin_canstore
+builtincheckarraycast:
+ .long _builtin_checkarraycast
+
+new_exception:
+ .long _new_exception
+new_exception_message:
+ .long _new_exception_message
+new_exception_int:
+ .long _new_exception_int
+
+string_java_lang_NullPointerException:
+ .long _string_java_lang_NullPointerException
+string_java_lang_ArrayIndexOutOfBoundsException:
+ .long _string_java_lang_ArrayIndexOutOfBoundsException
+string_java_lang_ArrayStoreException:
+ .long _string_java_lang_ArrayStoreException
+string_java_lang_ArithmeticException:
+ .long _string_java_lang_ArithmeticException
+string_java_lang_ArithmeticException_message:
+ .long _string_java_lang_ArithmeticException_message
+string_java_lang_ClassCastException:
+ .long _string_java_lang_ClassCastException
+
+catch_Handler:
+ .long _catch_Handler
+
#define MethodPointer -8
#define FrameSize -12
#define ExHandlerPC -12
#define ExCatchType -16
- .align 2
-builtinthrow:
- .long _builtin_throw_exception
.align 2
.long 0 /* catch type all */
.long 0 /* padding */
-.globl _asm_docalljavamethod
_asm_docalljavamethod:
mflr r0
stw r31,-4(r1)
.long 0 /* method pointer (pointer to name) */
.long 0 /* padding */
-.globl _asm_calljavafunction2
-.globl _asm_calljavafunction2long
-.globl _asm_calljavafunction2double
_asm_calljavafunction2:
_asm_calljavafunction2long:
_asm_calljavafunction2double:
b calljava_regrestore2
-
-
-jitcompile:
- .long _jit_compile
-
-.globl _asm_call_jit_compiler
_asm_call_jit_compiler:
0:
mflr itmp1
bctr
-builtin_traceexception:
- .long _builtin_trace_exception
-builtin_monitorenter:
- .long _builtin_monitorenter
-builtin_monitorexit:
- .long _builtin_monitorexit
-builtin_ldiv:
- .long _builtin_ldiv
-builtin_lrem:
- .long _builtin_lrem
-.globl _asm_handle_nat_exception
_asm_handle_nat_exception:
mflr r2
lwz itmp3,4(r2)
slwi itmp3,itmp3,16
add pv,pv,itmp3
- .globl _asm_handle_exception
_asm_handle_exception:
addi r1,r1,-18*4
stw r0,0*4(r1)
stw xptr,2*4(r1)
stw r2,3*4(r1)
- lwz r3,0*4(r1) /* exception pointer */
- lwz r4,MethodPointer(pv) /* method pointer */
- mr r5,xpc /* exception pc */
+ lwz r3,0*4(r1) /* exception pointer */
+ lwz r4,MethodPointer(pv) /* method pointer */
+ mr r5,xpc /* exception pc */
/* mr r6,r2 */
- li r6,1 /* set no unwind flag */
+ li r6,0 /* line number */
+ li r7,4 /* set no unwind flag */
bl 0f
0:
mflr itmp1
lwz itmp1,lo16(builtin_traceexception-0b)(itmp1)
mtctr itmp1
- addi r1,r1,-40
+ addi r1,r1,-(24+5*4) /* 24 linkage area + 5 argument * 4 */
bctrl
- addi r1,r1,40
+ addi r1,r1,(24+5*4)
- lwz xptr,2*4(r1)
- mtlr xptr
- lwz xptr,0*4(r1)
- lwz xpc,1*4(r1)
- lwz r2,3*4(r1)
- addi r1,r1,4*4
+ lwz xptr,2*4(r1)
+ mtlr xptr
+ lwz xptr,0*4(r1) /* restore xptr */
+ lwz xpc,1*4(r1)
+ lwz r2,3*4(r1)
+ addi r1,r1,4*4
- lwz r3,ExTableSize(pv)
- mr. r3,r3
- beq empty_table
- addi r4,pv,ExTableStart
+ lwz r3,ExTableSize(pv) /* r3 = exception table size */
+ mr. r3,r3 /* if empty table skip */
+ beq empty_table
+
+ addi r4,pv,ExTableStart /* r4 = start of exception table */
ex_table_loop:
- lwz r5,ExStartPC(r4)
- cmplw r5,xpc
- bgt ex_table_cont
- lwz r5,ExEndPC(r4)
- cmplw xpc,r5
- bge ex_table_cont
- lwz r7,ExCatchType(r4)
- mr. r7,r7
- beq ex_handle_it
-
- lwz r6,offobjvftbl(xptr)
- lwz r7,offclassvftbl(r7)
- lwz r6,offbaseval(r6)
- lwz r8,offbaseval(r7)
- lwz r7,offdiffval(r7)
- subf r6,r8,r6
- cmplw r6,r7
- bgt ex_table_cont
+ lwz r5,ExStartPC(r4)
+ cmplw r5,xpc
+ bgt ex_table_cont
+ lwz r5,ExEndPC(r4)
+ cmplw xpc,r5
+ bge ex_table_cont
+ lwz r7,ExCatchType(r4)
+ mr. r7,r7
+ beq ex_handle_it
+
+ lwz r6,offobjvftbl(xptr) /* r6 = vftblptr(xptr) */
+ lwz r7,offclassvftbl(r7) /* r7 = vftblptr(catchtype) class (not obj) */
+ lwz r6,offbaseval(r6) /* r6 = baseval(xptr) */
+ lwz r8,offbaseval(r7) /* r8 = baseval(catchtype) */
+ lwz r7,offdiffval(r7) /* r7 = diffval(catchtype) */
+ subf r6,r8,r6 /* r6 = baseval(xptr) - baseval(catchtype) */
+ cmplw r6,r7 /* xptr is instanceof catchtype */
+ bgt ex_table_cont /* if (false) continue */
ex_handle_it:
- lwz xpc,ExHandlerPC(r4)
- mr. r2,r2
- beq ex_jump
-
- lwz r0,0*4(r1)
- lwz r2,1*4(r1)
- lwz r3,2*4(r1)
- lwz r4,3*4(r1)
- lwz r5,4*4(r1)
- lwz r6,5*4(r1)
- lwz r7,6*4(r1)
- lwz r8,7*4(r1)
- lwz r9,8*4(r1)
- lwz r10,9*4(r1)
- lwz r16,10*4(r1)
- lwz r17,11*4(r1)
- lwz r18,12*4(r1)
- lwz r19,13*4(r1)
- lwz r20,14*4(r1)
- lwz r21,15*4(r1)
- lwz r22,16*4(r1)
- lwz r23,17*4(r1)
- addi r1,r1,18*4
+ lwz xpc,ExHandlerPC(r4) /* xpc = exception handler pc */
+ mr. r2,r2
+ beq ex_jump
+
+ lwz r0,0*4(r1)
+ lwz r2,1*4(r1)
+ lwz r3,2*4(r1)
+ lwz r4,3*4(r1)
+ lwz r5,4*4(r1)
+ lwz r6,5*4(r1)
+ lwz r7,6*4(r1)
+ lwz r8,7*4(r1)
+ lwz r9,8*4(r1)
+ lwz r10,9*4(r1)
+ lwz r16,10*4(r1)
+ lwz r17,11*4(r1)
+ lwz r18,12*4(r1)
+ lwz r19,13*4(r1)
+ lwz r20,14*4(r1)
+ lwz r21,15*4(r1)
+ lwz r22,16*4(r1)
+ lwz r23,17*4(r1)
+ addi r1,r1,18*4
ex_jump:
- mtctr xpc
+ mtctr xpc
bctr
ex_table_cont:
- addi r4,r4,ExEntrySize
- addic. r3,r3,-1
- bgt ex_table_loop
+ addi r4,r4,ExEntrySize
+ addic. r3,r3,-1
+ bgt ex_table_loop
empty_table:
- mr. r2,r2
- beq ex_already_cleared
- addi r1,r1,18*4
- li r2,0
+ mr. r2,r2 /* if here the first time, then */
+ beq ex_already_cleared
+ addi r1,r1,18*4 /* deallocate stack and */
+ li r2,0 /* clear the no unwind flag */
ex_already_cleared:
- lwz r3,IsSync(pv)
- mr. r3,r3
- beq no_monitor_exit
- add r3,r1,r3
- lwz r6,-4(r3)
-
- addi r1,r1,-6*4
- stw r3,0*4(r1)
- stw r4,1*4(r1)
- stw r2,2*4(r1)
- stw xptr,3*4(r1)
- stw xpc,4*4(r1)
- mflr xptr
- stw xptr,5*4(r1)
+ lwz r3,IsSync(pv)
+ mr. r3,r3
+ beq no_monitor_exit
+ add r3,r1,r3
+ lwz r6,-4(r3)
+
+ addi r1,r1,-6*4
+ stw r3,0*4(r1)
+ stw r4,1*4(r1)
+ stw r2,2*4(r1)
+ stw xptr,3*4(r1)
+ stw xpc,4*4(r1)
+ mflr xptr
+ stw xptr,5*4(r1)
- mr r3,r6
- bl 0f
+ mr r3,r6
+ bl 0f
0:
- mflr itmp1
- lwz itmp1,lo16(builtin_monitorexit-0b)(itmp1)
- mtctr itmp1
- addi r1,r1,-40
+ mflr itmp1
+ lwz itmp1,lo16(builtin_monitorexit-0b)(itmp1)
+ mtctr itmp1
+ addi r1,r1,-40
bctrl
- addi r1,r1,40
+ addi r1,r1,40
- lwz xptr,5*4(r1)
- mtlr xptr
- lwz r3,0*4(r1)
- lwz r4,1*4(r1)
- lwz r2,2*4(r1)
- lwz xptr,3*4(r1)
- lwz xpc,4*4(r1)
- addi r1,r1,6*4
+ lwz xptr,5*4(r1)
+ mtlr xptr
+ lwz r3,0*4(r1)
+ lwz r4,1*4(r1)
+ lwz r2,2*4(r1)
+ lwz xptr,3*4(r1)
+ lwz xpc,4*4(r1)
+ addi r1,r1,6*4
no_monitor_exit:
- lwz r3,FrameSize(pv)
- add r1,r1,r3
- mr r3,r1
- lwz r4,IsLeaf(pv)
- mr. r4,r4
- bne ex_no_restore
- lwz r4,8(r3)
- mtlr r4
+ lwz r3,FrameSize(pv) /* r3 = frame size */
+ add r1,r1,r3 /* unwind stack */
+ mr r3,r1 /* r3 = pointer to save area */
+ lwz r4,IsLeaf(pv) /* r4 = is leaf procedure */
+ mr. r4,r4
+ bne ex_no_restore /* if (leaf) skip */
+ lwz r4,8(r3) /* restore ra */
+ mtlr r4 /* t0-- */
ex_no_restore:
- mflr r4
- mr xpc,r4
- lwz r4,IntSave(pv)
- bl ex_int1
+ mflr r4 /* the new xpc is ra */
+ mr xpc,r4
+ lwz r4,IntSave(pv) /* r4 = saved int register count */
+ bl ex_int1
ex_int1:
- mflr r5
- addi r5,r5,lo16(ex_int2-ex_int1)
- slwi r4,r4,2
- subf r5,r4,r5
- mtctr r5
+ mflr r5
+ addi r5,r5,lo16(ex_int2-ex_int1)
+ slwi r4,r4,2
+ subf r5,r4,r5
+ mtctr r5
bctr
- lwz r14,-40(r3)
- lwz r15,-36(r3)
- lwz r24,-32(r3)
- lwz r25,-28(r3)
- lwz r26,-24(r3)
- lwz r27,-20(r3)
- lwz r28,-16(r3)
- lwz r29,-12(r3)
- lwz r30,-8(r3)
- lwz r31,-4(r3)
+ lwz r14,-40(r3)
+ lwz r15,-36(r3)
+ lwz r24,-32(r3)
+ lwz r25,-28(r3)
+ lwz r26,-24(r3)
+ lwz r27,-20(r3)
+ lwz r28,-16(r3)
+ lwz r29,-12(r3)
+ lwz r30,-8(r3)
+ lwz r31,-4(r3)
ex_int2:
- subf r3,r4,r3
+ subf r3,r4,r3
- lwz r4,FltSave(pv)
- bl ex_flt1
+ lwz r4,FltSave(pv)
+ bl ex_flt1
ex_flt1:
- mflr r5
- addi r5,r5,lo16(ex_flt2-ex_flt1)
- slwi r4,r4,2
- subf r5,r4,r5
- mtctr r5
+ mflr r5
+ addi r5,r5,lo16(ex_flt2-ex_flt1)
+ slwi r4,r4,2
+ subf r5,r4,r5
+ mtctr r5
bctr
- lfd f14,-80(r3)
- lfd f15,-72(r3)
- lfd f24,-64(r3)
- lfd f25,-56(r3)
- lfd f26,-48(r3)
- lfd f27,-40(r3)
- lfd f28,-32(r3)
- lfd f29,-24(r3)
- lfd f30,-16(r3)
- lfd f31,-8(r3)
+ lfd f14,-80(r3)
+ lfd f15,-72(r3)
+ lfd f24,-64(r3)
+ lfd f25,-56(r3)
+ lfd f26,-48(r3)
+ lfd f27,-40(r3)
+ lfd f28,-32(r3)
+ lfd f29,-24(r3)
+ lfd f30,-16(r3)
+ lfd f31,-8(r3)
ex_flt2:
- mtlr xpc
- lwz itmp3,4(xpc)
- extsh itmp3,itmp3
- add pv,itmp3,xpc
- lwz itmp3,8(xpc)
- srwi itmp3,itmp3,16
- cmpwi itmp3,0x3dad
- bne ex_stack_loop
- lwz itmp3,8(xpc)
- slwi itmp3,itmp3,16
- add pv,pv,itmp3
- b ex_stack_loop
+ mtlr xpc
+ lwz itmp3,4(xpc)
+ extsh itmp3,itmp3
+ add pv,itmp3,xpc
+ lwz itmp3,8(xpc)
+ srwi itmp3,itmp3,16
+ cmpwi itmp3,0x3dad
+ bne ex_stack_loop
+ lwz itmp3,8(xpc)
+ slwi itmp3,itmp3,16
+ add pv,pv,itmp3
+ b ex_stack_loop
/********************* asm_check_clinit ****************************************
* *
*******************************************************************************/
-class_init:
- .long _class_init
-
_asm_check_clinit:
0:
lwz itmp2,offclassinit(itmp1)
blr
+/******************* function asm_builtin_checkarraycast ***********************
+* *
+* Does the cast check and eventually throws an exception *
+* *
+*******************************************************************************/
+
_asm_builtin_checkarraycast:
0:
- mflr r0
- stw r0,8(r1)
- stwu r1,-48(r1)
+ mflr r0
+ stw r0,8(r1)
+ stwu r1,-48(r1)
- stw r3,32(r1)
- lwz itmp1,lo16(builtincheckarraycast-0b)(pv)
- mtctr itmp1
+ stw r3,32(r1)
+ lwz itmp1,lo16(builtincheckarraycast-0b)(pv)
+ mtctr itmp1
bctrl
- lwz r0,48+8(r1)
- mtlr r0
- mr. r3,r3
- beq nb_carray_throw
- lwz r3,32(r1)
- addi r1,r1,48
+ lwz r0,48+8(r1)
+ mtlr r0
+ mr. r3,r3
+ beq nb_carray_throw
+ lwz r3,32(r1)
+ addi r1,r1,48
blr
nb_carray_throw:
- lwz xptr,lo16(proto_java_lang_ClassCastException-0b)(pv)
- lwz xptr,0(xptr)
- addi r1,r1,48
- mflr xpc
- b _asm_handle_nat_exception
-
-.globl _asm_builtin_checkcast
-_asm_builtin_checkcast:
-0:
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
+ addi r1,r1,48
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_ClassCastException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,24+4
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
+/******************* function asm_builtin_aastore ******************************
+* *
+* Does the cast check and eventually throws an exception *
+* *
+*******************************************************************************/
-
-
-
-
-builtincanstore:
- .long _builtin_canstore
-builtincheckarraycast:
- .long _builtin_checkarraycast
-
-.globl _asm_builtin_aastore
_asm_builtin_aastore:
0:
- mr. r3,r3
- beq nb_aastore_null
- mflr r0
- stw r0,8(r1)
- stwu r1,-48(r1)
-
- lwz itmp1,offarraysize(r3)
- slwi itmp3,r4,2
- add itmp2,r3,itmp3
- cmplw r4,itmp1
- bge nb_aastore_bound
- mr r4,r5
- stw itmp2,32(r1)
- stw r4,36(r1)
-// addis pv,r31,ha16(builtincanstore-0b)
- lwz itmp1,lo16(builtincanstore-0b)(pv)
- mtctr itmp1
+ mr. r3,r3
+ beq nb_aastore_null
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-48
+
+ lwz itmp1,offarraysize(r3)
+ slwi itmp3,r4,2
+ add itmp2,r3,itmp3
+ cmplw r4,itmp1
+ bge nb_aastore_bound
+ mr r4,r5
+ stw itmp2,32(r1)
+ stw r4,36(r1)
+// addis pv,r31,ha16(builtincanstore-0b)
+ lwz itmp1,lo16(builtincanstore-0b)(pv)
+ mtctr itmp1
bctrl
- lwz r0,48+8(r1)
- mtlr r0
- lwz itmp1,32(r1)
- lwz itmp2,36(r1)
- addi r1,r1,48
- mr. r3,r3
- beq nb_aastore_throw
- stw itmp2,offobjarrdata(itmp1)
+ lwz r0,48+8(r1)
+ mtlr r0
+ lwz itmp1,32(r1)
+ lwz itmp2,36(r1)
+ addi r1,r1,48
+ mr. r3,r3
+ beq nb_aastore_store
+ stw itmp2,offobjarrdata(itmp1)
blr
-proto_java_lang_NullPointerException:
- .long _proto_java_lang_NullPointerException
-proto_java_lang_ArrayIndexOutOfBoundsException:
- .long _proto_java_lang_ArrayIndexOutOfBoundsException
-proto_java_lang_ArrayStoreException:
- .long _proto_java_lang_ArrayStoreException
-proto_java_lang_ArithmeticException:
- .long _proto_java_lang_ArithmeticException
-proto_java_lang_ClassCastException:
- .long _proto_java_lang_ClassCastException
-
nb_aastore_null:
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-nb_aastore_bound:
- lwz xptr,lo16(proto_java_lang_ArrayIndexOutOfBoundsException-0b)(pv)
- lwz xptr,0(xptr)
- addi r1,r1,48
- mflr xpc
- b _asm_handle_nat_exception
-nb_aastore_throw:
- lwz xptr,lo16(proto_java_lang_ArrayStoreException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-
-
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_NullPointerException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
-.globl _asm_dumpregistersandcall
-_asm_dumpregistersandcall:
- mflr r0
- stw r0,8(r1)
-
- stw r16,-72(r1)
- stw r17,-68(r1)
- stw r18,-64(r1)
- stw r19,-60(r1)
- stw r20,-56(r1)
- stw r21,-52(r1)
- stw r22,-48(r1)
- stw r23,-44(r1)
-
- stw r14,-40(r1)
- stw r15,-36(r1)
- stw r24,-32(r1)
- stw r25,-28(r1)
- stw r26,-24(r1)
- stw r27,-20(r1)
- stw r28,-16(r1)
- stw r29,-12(r1)
- stw r30,-8(r1)
- stw r31,-4(r1)
- addi r1,r1,-96
+nb_aastore_bound:
+ addi r1,r1,48
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArrayIndexOutOfBoundsException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception_int-0b)(pv)
+ mtctr itmp1
+ bctrl /* r4 already contains the index */
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
- mtctr r3
+nb_aastore_store:
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_ArrayStoreException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
bctrl
+ mr xptr,r3
+ addi r1,r1,(24+4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
- lwz r0,96+8(r1)
- mtlr r0
- addi r1,r1,96
- blr
-
-
-.globl _asm_builtin_monitorenter
_asm_builtin_monitorenter:
0:
- lwz itmp2,lo16(builtin_monitorenter-0b)(pv)
- mr. r3,r3
- beq nb_monitorenter
- mtctr itmp2
+ lwz itmp2,lo16(builtin_monitorenter-0b)(pv)
+ mr. r3,r3
+ beq nb_monitorenter
+ mtctr itmp2
bctr
+
nb_monitorenter:
- mflr r2
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- addi xpc,r2,-4
- b _asm_handle_nat_exception
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_NullPointerException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,24+4
+ lwz r0,8(r1)
+/* addi xpc,r0,-4 */
+ mr xpc,r0
+ addi xpc,xpc,-4
+
+ mtlr r0
+ b _asm_handle_nat_exception
+
-.globl _asm_builtin_monitorexit
_asm_builtin_monitorexit:
0:
- lwz itmp2,lo16(builtin_monitorexit-0b)(pv)
- mr. r3,r3
- beq nb_monitorexit
- mtctr itmp2
+ lwz itmp2,lo16(builtin_monitorexit-0b)(pv)
+ mr. r3,r3
+ beq nb_monitorexit
+ mtctr itmp2
bctr
+
nb_monitorexit:
- mflr r2
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(pv)
- lwz xptr,0(xptr)
- addi xpc,r2,-4
- b _asm_handle_nat_exception
-
-
-
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+4)
+ lwz r3,lo16(string_java_lang_NullPointerException-0b)(pv)
+ lwz r3,0(r3)
+ lwz itmp1,lo16(new_exception-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,24+4
+ lwz r0,8(r1)
+/* addi xpc,r0,-4 */
+ mr xpc,r0
+ addi xpc,xpc,-4
+
+ mtlr r0
+ b _asm_handle_nat_exception
-.globl _synchronize_caches
-_synchronize_caches:
- blr
-.globl _asm_getcallingmethod
-_asm_getcallingmethod:
- li r3,0
- blr
-
-.globl _asm_builtin_ldiv
-_asm_builtin_ldiv:
-0:
- or. r0,r5,r6
- beq nb_ldiv
- lwz itmp1,lo16(builtin_ldiv-0b)(pv)
- mtctr itmp1
- bctr
-nb_ldiv:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-
-.globl _asm_builtin_lrem
-_asm_builtin_lrem:
-0:
- or. r0,r5,r6
- beq nb_lrem
- lwz itmp1,lo16(builtin_lrem-0b)(pv)
- mtctr itmp1
- bctr
-nb_lrem:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
-
-.globl _asm_builtin_idiv
_asm_builtin_idiv:
0:
- mr. r4,r4
- beq nb_idiv
- lis itmp3,0x8000
- cmpw r3,itmp3
- bne normal_idiv
- cmpwi r4,-1
- bne normal_idiv
+ mr. r4,r4
+ beq nb_idiv
+ lis itmp3,0x8000
+ cmpw r3,itmp3
+ bne normal_idiv
+ cmpwi r4,-1
+ bne normal_idiv
blr
+
normal_idiv:
- divw r3,r3,r4
+ divw r3,r3,r4
blr
+
nb_idiv:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
+
-.globl _asm_builtin_irem
_asm_builtin_irem:
0:
- mr itmp2,r3
- mr. r4,r4
- beq nb_irem
- lis itmp3,0x8000
- cmpw itmp2,itmp3
- bne normal_irem
- cmpwi r4,-1
- bne normal_irem
- li r3,0
+ mr itmp2,r3
+ mr. r4,r4
+ beq nb_irem
+ lis itmp3,0x8000
+ cmpw itmp2,itmp3
+ bne normal_irem
+ cmpwi r4,-1
+ bne normal_irem
+ li r3,0
beqlr
+
normal_irem:
- divw itmp3,itmp2,r4
- mullw itmp3,itmp3,r4
- subf r3,itmp3,itmp2
+ divw itmp3,itmp2,r4
+ mullw itmp3,itmp3,r4
+ subf r3,itmp3,itmp2
blr
+
nb_irem:
- lwz xptr,lo16(proto_java_lang_ArithmeticException-0b)(pv)
- lwz xptr,0(xptr)
- mflr xpc
- b _asm_handle_nat_exception
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
-
-
-.globl _has_no_x_instr_set
-_has_no_x_instr_set:
- li r3,0
- blr
+_asm_builtin_ldiv:
+0:
+ or. r0,r5,r6
+ beq nb_ldiv
+ lwz itmp1,lo16(builtin_ldiv-0b)(pv)
+ mtctr itmp1
+ bctr
+
+nb_ldiv:
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
+
+
+ _asm_builtin_lrem:
+0:
+ or. r0,r5,r6
+ beq nb_lrem
+ lwz itmp1,lo16(builtin_lrem-0b)(pv)
+ mtctr itmp1
+ bctr
+
+nb_lrem:
+ mflr r0
+ stw r0,8(r1)
+ addi r1,r1,-(24+2*4)
+ lwz r3,lo16(string_java_lang_ArithmeticException-0b)(pv)
+ lwz r3,0(r3)
+ lwz r4,lo16(string_java_lang_ArithmeticException_message-0b)(pv)
+ lwz r4,0(r4)
+ lwz itmp1,lo16(new_exception_message-0b)(pv)
+ mtctr itmp1
+ bctrl
+ mr xptr,r3
+ addi r1,r1,(24+2*4)
+ lwz r0,8(r1)
+ mr xpc,r0
+ mtlr r0
+ b _asm_handle_nat_exception
- .globl _asm_cacheflush
_asm_cacheflush:
- addi r4,r4,31
- mr r5,r3
- add r4,r3,r4
+ addi r4,r4,31
+ mr r5,r3
+ add r4,r3,r4
1:
- cmplw r3,r4
- bge 0f
- dcbst 0,r3
- addi r3,r3,32
- b 1b
+ cmplw r3,r4
+ bge 0f
+ dcbst 0,r3
+ addi r3,r3,32
+ b 1b
0:
sync
1:
- cmplw r5,r4
- bge 0f
- icbi 0,r5
- addi r5,r5,32
- b 1b
+ cmplw r5,r4
+ bge 0f
+ icbi 0,r5
+ addi r5,r5,32
+ b 1b
0:
sync
isync
blr
+
.align 3
doublezero:
.double 0.0
-.globl _asm_initialize_thread_stack
_asm_initialize_thread_stack:
addi r4,r4,-256
stw r3,120(r4)
mr r3,r4
blr
-.globl _asm_perform_threadswitch
+
_asm_perform_threadswitch:
mflr r0
addi r1,r1,-224
blr
-
-.globl _asm_switchstackandcall
_asm_switchstackandcall:
mflr r0
addi r3,r3,-48
blr
-
- .globl _my_dump
-_my_dump:
- mflr r0
- bl 0f
-0:
- mflr itmp1
- mtlr r0
- lwz xptr,lo16(proto_java_lang_NullPointerException-0b)(itmp1)
- lwz xptr,0(xptr)
- b _asm_handle_exception
-
-
-
-
-
#define C_RED_ZONE 224
-catch_Handler:
- .long _catch_Handler
-
- .globl _asm_sighandler
_asm_sighandler:
addi r1,r1,-32*4 - 32 - C_RED_ZONE
stmw r0,32(r1)
projects / cacao.git / commitdiff