Reinhard Grafl
Christian Thalinger
- $Id: asmpart.S 779 2003-12-14 18:11:35Z stefan $
+ $Id: asmpart.S 848 2004-01-05 10:51:58Z twisti $
*/
.globl asm_handle_builtin_exception
.globl asm_handle_nat_exception
.globl asm_handle_exception
+ .globl asm_check_clinit
.globl asm_builtin_checkcast
.globl asm_builtin_checkarraycast
.globl asm_builtin_newarray
.globl asm_initialize_thread_stack
.globl asm_switchstackandcall
.globl asm_getcallingmethod
- .globl asm_builtin_trace
- .globl asm_builtin_exittrace
- .globl asm_xadd
+
/*************************** imported functions *******************************/
.globl cast_unlock
#endif
+
/*********************** function has_no_x_instr_set ***************************
* *
* determines if the byte support instruction set (21164a and higher) *
* *
*******************************************************************************/
-call_name2:
+call_name:
.ascii "calljavafunction\0\0"
.align 8
.long 0 /* catch type all */
- .long calljava_xhandler2 /* handler pc */
- .long calljava_xhandler2 /* end pc */
+ .long calljava_xhandler /* handler pc */
+ .long calljava_xhandler /* end pc */
.long asm_calljavafunction /* start pc */
.long 1 /* extable size */
.long 0 /* fltsave */
lea asm_call_jit_compiler,%edx
call *%edx /* call JIT compiler */
-calljava_jit2:
-calljava_return2:
-calljava_ret2:
+calljava_return:
add $32,%esp
pop %edi /* restore registers */
pop %esi
leave
ret
-calljava_xhandler2:
+calljava_xhandler:
push %eax /* pass exception pointer */
call builtin_throw_exception
add $4,%esp
* *
*******************************************************************************/
-call_name3:
+call_name2:
.ascii "calljavafunction2\0\0"
.align 8
.long 0 /* catch type all */
- .long calljava_xhandler3 /* handler pc */
- .long calljava_xhandler3 /* end pc */
+ .long calljava_xhandler2 /* handler pc */
+ .long calljava_xhandler2 /* end pc */
.long asm_calljavafunction2 /* start pc */
.long 1 /* extable size */
.long 0 /* fltsave */
.long 32 /* frame size */
.long 0 /* method pointer (pointer to name) */
-/********************* function asm_calljavafunction ***************************
-* *
-* This function calls a Java-method (which possibly needs compilation) *
-* with up to 4 address parameters. *
-* *
-* This functions calls the JIT-compiler which eventually translates the *
-* method into machine code. *
-* *
-* C-prototype: *
-* javaobject_header *asm_calljavamethod (methodinfo *m, *
-* void *arg1, void *arg2, void *arg3, void *arg4); *
-* *
-*******************************************************************************/
-
-call_name4:
- .ascii "calljavafunction2double\0\0"
-
- .align 8
- .long 0 /* catch type all */
- .long calljava_xhandler3 /* handler pc */
- .long calljava_xhandler3 /* end pc */
- .long asm_calljavafunction2double /* start pc */
- .long 1 /* extable size */
- .long 0 /* fltsave */
- .long 0 /* intsave */
- .long 0 /* isleaf */
- .long 0 /* IsSync */
- .long 32 /* frame size */
- .long 0 /* method pointer (pointer to name) */
-
-/********************* function asm_calljavafunction ***************************
-* *
-* This function calls a Java-method (which possibly needs compilation) *
-* with up to 4 address parameters. *
-* *
-* This functions calls the JIT-compiler which eventually translates the *
-* method into machine code. *
-* *
-* C-prototype: *
-* javaobject_header *asm_calljavamethod (methodinfo *m, *
-* void *arg1, void *arg2, void *arg3, void *arg4); *
-* *
-*******************************************************************************/
-
-call_name5:
- .ascii "calljavafunction2long\0\0"
-
- .align 8
- .long 0 /* catch type all */
- .long calljava_xhandler3 /* handler pc */
- .long calljava_xhandler3 /* end pc */
- .long asm_calljavafunction2long /* start pc */
- .long 1 /* extable size */
- .long 0 /* fltsave */
- .long 0 /* intsave */
- .long 0 /* isleaf */
- .long 0 /* IsSync */
- .long 32 /* frame size */
- .long 0 /* method pointer (pointer to name) */
-
-
asm_calljavafunction2:
asm_calljavafunction2double:
asm_calljavafunction2long:
lea asm_call_jit_compiler,%edx
call *%edx /* call JIT compiler */
-calljava_jit3:
-calljava_return3:
-calljava_ret3:
+calljava_return2:
add $32,%esp
pop %edi /* restore registers */
pop %esi
leave
ret
-calljava_xhandler3:
+calljava_xhandler2:
push %eax /* pass exception pointer */
call builtin_throw_exception
add $4,%esp
add %ecx,%ebp /* add base address to get method address */
jmp L_call_jit_compile
-L_not_virtual_interface: /* a call from asm_calljavamethod */
+L_not_virtual_interface: /* a call from asm_calljavafunction */
xor %ebp,%ebp
L_call_jit_compile:
add $4,%esp
pop %ebp /* restore address for method pointer */
- test %ebp,%ebp /* is address == 0 (asm_calljavamethod) */
+ test %ebp,%ebp /* is address == 0 (asm_calljavafunction) */
je L_call_method
mov %eax,(%ebp) /* and now save the new pointer */
jmp asm_handle_exception
+/********************* function asm_check_clinit *******************************
+* *
+* Does null check and calls monitorenter or throws an exception *
+* *
+*******************************************************************************/
+
+asm_check_clinit:
+ mov offclassinit(%eax),%ecx /* get initialized flag */
+ test %ecx,%ecx
+ jnz L_is_initialized
+
+ push %eax /* pass classinfo pointer */
+ call class_init /* call class_init function */
+ add $4,%esp
+
+L_is_initialized:
+ mov (%esp),%eax /* get return address */
+ sub $12,%eax /* asm_putstatic call code size */
+ movb $0xeb,(%eax) /* jmp rel8 */
+ movl $10,1(%eax) /* 32-bit offset */
+ ret
+
+
/********************* function asm_builtin_monitorenter ***********************
* *
* Does null check and calls monitorenter or throws an exception *
*******************************************************************************/
asm_builtin_ldiv:
- movl 12(%esp),%eax
- orl 16(%esp),%eax
+ mov 12(%esp),%eax
+ or 16(%esp),%eax
test %eax,%eax /* if (null) throw exception */
je nb_ldiv
jmp builtin_ldiv
nb_ldiv:
- popl %ecx /* delete return address */
- subl $2,%ecx /* faulting address is return adress - 2 */
- movl proto_java_lang_ArithmeticException,%eax
+ pop %ecx /* delete return address */
+ sub $2,%ecx /* faulting address is return adress - 2 */
+ mov proto_java_lang_ArithmeticException,%eax
jmp asm_handle_exception
*******************************************************************************/
asm_builtin_lrem:
- movl 12(%esp),%eax
- orl 16(%esp),%eax
+ mov 12(%esp),%eax
+ or 16(%esp),%eax
test %eax,%eax /* if (null) throw exception */
je nb_lrem
jmp builtin_lrem
nb_lrem:
- popl %ecx /* delete return address */
- subl $2,%ecx /* faulting address is return adress - 2 */
- movl proto_java_lang_ArithmeticException,%eax
+ pop %ecx /* delete return address */
+ sub $2,%ecx /* faulting address is return adress - 2 */
+ mov proto_java_lang_ArithmeticException,%eax
jmp asm_handle_exception
*******************************************************************************/
asm_builtin_checkcast:
- xorl %eax,%eax
- movl $0,(%eax)
+ xor %eax,%eax
+ mov %eax,(%eax)
ret
*******************************************************************************/
asm_builtin_checkarraycast:
- subl $8,%esp /* build stack frame (2 * 4 bytes) */
+ sub $8,%esp /* build stack frame (2 * 4 bytes) */
- movl 12(%esp),%eax /* 8 (frame) + 4 (return) */
- movl %eax,(%esp) /* save object pointer */
+ mov 12(%esp),%eax /* 8 (frame) + 4 (return) */
+ mov %eax,(%esp) /* save object pointer */
- movl 20(%esp),%eax
- movl %eax,4(%esp)
+ mov 20(%esp),%eax
+ mov %eax,4(%esp)
call builtin_checkarraycast /* builtin_checkarraycast */
test %eax,%eax /* if (false) throw exception */
je nb_carray_throw
- movl 12(%esp),%eax /* return object pointer */
- addl $8,%esp
+ mov 12(%esp),%eax /* return object pointer */
+ add $8,%esp
ret
nb_carray_throw:
- addl $8,%esp
+ add $8,%esp
- popl %ecx /* delete return address */
- subl $2,%ecx /* faulting address is return adress - 2 */
- movl proto_java_lang_ClassCastException,%eax
+ pop %ecx /* delete return address */
+ sub $2,%ecx /* faulting address is return adress - 2 */
+ mov proto_java_lang_ClassCastException,%eax
jmp asm_handle_exception
*******************************************************************************/
asm_builtin_newarray:
- subl $8,%esp /* build stack frame (2 * 4 bytes) */
+ sub $8,%esp /* build stack frame (2 * 4 bytes) */
- movl 12(%esp),%eax
- movl %eax,(%esp)
+ mov 12(%esp),%eax
+ mov %eax,(%esp)
- movl 20(%esp),%eax
- movl %eax,4(%esp)
+ mov 20(%esp),%eax
+ mov %eax,4(%esp)
call builtin_newarray
- addl $8,%esp
+ add $8,%esp
ret
ret
-/*********************** function asm_builtin_trace ****************************
-* *
-* Intended to be called from the native stub. Saves all argument registers *
-* and calls builtin_trace_args. *
-* *
-*******************************************************************************/
-
-asm_builtin_trace:
- pusha
- subl $68,%esp /* 4 + 8 * 4 + 68 = 104 */
-
- movl 104(%esp),%eax
- movl 108(%esp),%edx
- movl %eax,(%esp)
- movl %edx,4(%esp)
-
- movl 112(%esp),%eax
- movl 116(%esp),%edx
- movl %eax,8(%esp)
- movl %edx,12(%esp)
-
- movl 120(%esp),%eax
- movl 124(%esp),%edx
- movl %eax,16(%esp)
- movl %edx,20(%esp)
-
- movl 128(%esp),%eax
- movl 132(%esp),%edx
- movl %eax,24(%esp)
- movl %edx,28(%esp)
-
- movl 136(%esp),%eax
- movl 140(%esp),%edx
- movl %eax,32(%esp)
- movl %edx,36(%esp)
-
- movl 144(%esp),%eax
- movl 148(%esp),%edx
- movl %eax,40(%esp)
- movl %edx,44(%esp)
-
- movl 152(%esp),%eax
- movl 156(%esp),%edx
- movl %eax,48(%esp)
- movl %edx,52(%esp)
-
- movl 160(%esp),%eax
- movl 164(%esp),%edx
- movl %eax,56(%esp)
- movl %edx,60(%esp)
-
- movl 168(%esp),%eax
- movl %eax,64(%esp)
-
- call builtin_trace_args
- addl $68,%esp
-
- popa
- ret
-
-
-/********************* function asm_builtin_exittrace **************************
-* *
-* Intended to be called from the native stub. Saves return value and calls *
-* builtin_displaymethodstop. *
-* *
-*******************************************************************************/
-
-asm_builtin_exittrace:
- pusha
- subl $24,%esp
-
- movl 60(%esp),%eax /* 4 + 8 * 4 + 24 = 60 */
- movl %eax,(%esp)
-
- movl 64(%esp),%eax
- movl 68(%esp),%edx
- movl %eax,4(%esp)
- movl %edx,8(%esp)
-
- movl 72(%esp),%eax
- movl 76(%esp),%edx
- movl %eax,12(%esp)
- movl %edx,16(%esp)
-
- movl 80(%esp),%eax
- movl %eax,20(%esp)
-
- call builtin_displaymethodstop
- addl $24,%esp
-
- popa
- ret
-
-asm_xadd:
- mov 4(%esp),%ecx
- mov 8(%esp),%eax
- lock
- xaddl %eax,0(%ecx)
- incl %eax
- ret
-
/*
* 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
Reinhard Grafl
Christian Thalinger
- $Id: asmpart.S 779 2003-12-14 18:11:35Z stefan $
+ $Id: asmpart.S 848 2004-01-05 10:51:58Z twisti $
*/
.globl asm_handle_builtin_exception
.globl asm_handle_nat_exception
.globl asm_handle_exception
+ .globl asm_check_clinit
.globl asm_builtin_checkcast
.globl asm_builtin_checkarraycast
.globl asm_builtin_newarray
.globl asm_initialize_thread_stack
.globl asm_switchstackandcall
.globl asm_getcallingmethod
- .globl asm_builtin_trace
- .globl asm_builtin_exittrace
- .globl asm_xadd
+
/*************************** imported functions *******************************/
.globl cast_unlock
#endif
+
/*********************** function has_no_x_instr_set ***************************
* *
* determines if the byte support instruction set (21164a and higher) *
* *
*******************************************************************************/
-call_name2:
+call_name:
.ascii "calljavafunction\0\0"
.align 8
.long 0 /* catch type all */
- .long calljava_xhandler2 /* handler pc */
- .long calljava_xhandler2 /* end pc */
+ .long calljava_xhandler /* handler pc */
+ .long calljava_xhandler /* end pc */
.long asm_calljavafunction /* start pc */
.long 1 /* extable size */
.long 0 /* fltsave */
lea asm_call_jit_compiler,%edx
call *%edx /* call JIT compiler */
-calljava_jit2:
-calljava_return2:
-calljava_ret2:
+calljava_return:
add $32,%esp
pop %edi /* restore registers */
pop %esi
leave
ret
-calljava_xhandler2:
+calljava_xhandler:
push %eax /* pass exception pointer */
call builtin_throw_exception
add $4,%esp
* *
*******************************************************************************/
-call_name3:
+call_name2:
.ascii "calljavafunction2\0\0"
.align 8
.long 0 /* catch type all */
- .long calljava_xhandler3 /* handler pc */
- .long calljava_xhandler3 /* end pc */
+ .long calljava_xhandler2 /* handler pc */
+ .long calljava_xhandler2 /* end pc */
.long asm_calljavafunction2 /* start pc */
.long 1 /* extable size */
.long 0 /* fltsave */
.long 32 /* frame size */
.long 0 /* method pointer (pointer to name) */
-/********************* function asm_calljavafunction ***************************
-* *
-* This function calls a Java-method (which possibly needs compilation) *
-* with up to 4 address parameters. *
-* *
-* This functions calls the JIT-compiler which eventually translates the *
-* method into machine code. *
-* *
-* C-prototype: *
-* javaobject_header *asm_calljavamethod (methodinfo *m, *
-* void *arg1, void *arg2, void *arg3, void *arg4); *
-* *
-*******************************************************************************/
-
-call_name4:
- .ascii "calljavafunction2double\0\0"
-
- .align 8
- .long 0 /* catch type all */
- .long calljava_xhandler3 /* handler pc */
- .long calljava_xhandler3 /* end pc */
- .long asm_calljavafunction2double /* start pc */
- .long 1 /* extable size */
- .long 0 /* fltsave */
- .long 0 /* intsave */
- .long 0 /* isleaf */
- .long 0 /* IsSync */
- .long 32 /* frame size */
- .long 0 /* method pointer (pointer to name) */
-
-/********************* function asm_calljavafunction ***************************
-* *
-* This function calls a Java-method (which possibly needs compilation) *
-* with up to 4 address parameters. *
-* *
-* This functions calls the JIT-compiler which eventually translates the *
-* method into machine code. *
-* *
-* C-prototype: *
-* javaobject_header *asm_calljavamethod (methodinfo *m, *
-* void *arg1, void *arg2, void *arg3, void *arg4); *
-* *
-*******************************************************************************/
-
-call_name5:
- .ascii "calljavafunction2long\0\0"
-
- .align 8
- .long 0 /* catch type all */
- .long calljava_xhandler3 /* handler pc */
- .long calljava_xhandler3 /* end pc */
- .long asm_calljavafunction2long /* start pc */
- .long 1 /* extable size */
- .long 0 /* fltsave */
- .long 0 /* intsave */
- .long 0 /* isleaf */
- .long 0 /* IsSync */
- .long 32 /* frame size */
- .long 0 /* method pointer (pointer to name) */
-
-
asm_calljavafunction2:
asm_calljavafunction2double:
asm_calljavafunction2long:
lea asm_call_jit_compiler,%edx
call *%edx /* call JIT compiler */
-calljava_jit3:
-calljava_return3:
-calljava_ret3:
+calljava_return2:
add $32,%esp
pop %edi /* restore registers */
pop %esi
leave
ret
-calljava_xhandler3:
+calljava_xhandler2:
push %eax /* pass exception pointer */
call builtin_throw_exception
add $4,%esp
add %ecx,%ebp /* add base address to get method address */
jmp L_call_jit_compile
-L_not_virtual_interface: /* a call from asm_calljavamethod */
+L_not_virtual_interface: /* a call from asm_calljavafunction */
xor %ebp,%ebp
L_call_jit_compile:
add $4,%esp
pop %ebp /* restore address for method pointer */
- test %ebp,%ebp /* is address == 0 (asm_calljavamethod) */
+ test %ebp,%ebp /* is address == 0 (asm_calljavafunction) */
je L_call_method
mov %eax,(%ebp) /* and now save the new pointer */
jmp asm_handle_exception
+/********************* function asm_check_clinit *******************************
+* *
+* Does null check and calls monitorenter or throws an exception *
+* *
+*******************************************************************************/
+
+asm_check_clinit:
+ mov offclassinit(%eax),%ecx /* get initialized flag */
+ test %ecx,%ecx
+ jnz L_is_initialized
+
+ push %eax /* pass classinfo pointer */
+ call class_init /* call class_init function */
+ add $4,%esp
+
+L_is_initialized:
+ mov (%esp),%eax /* get return address */
+ sub $12,%eax /* asm_putstatic call code size */
+ movb $0xeb,(%eax) /* jmp rel8 */
+ movl $10,1(%eax) /* 32-bit offset */
+ ret
+
+
/********************* function asm_builtin_monitorenter ***********************
* *
* Does null check and calls monitorenter or throws an exception *
*******************************************************************************/
asm_builtin_ldiv:
- movl 12(%esp),%eax
- orl 16(%esp),%eax
+ mov 12(%esp),%eax
+ or 16(%esp),%eax
test %eax,%eax /* if (null) throw exception */
je nb_ldiv
jmp builtin_ldiv
nb_ldiv:
- popl %ecx /* delete return address */
- subl $2,%ecx /* faulting address is return adress - 2 */
- movl proto_java_lang_ArithmeticException,%eax
+ pop %ecx /* delete return address */
+ sub $2,%ecx /* faulting address is return adress - 2 */
+ mov proto_java_lang_ArithmeticException,%eax
jmp asm_handle_exception
*******************************************************************************/
asm_builtin_lrem:
- movl 12(%esp),%eax
- orl 16(%esp),%eax
+ mov 12(%esp),%eax
+ or 16(%esp),%eax
test %eax,%eax /* if (null) throw exception */
je nb_lrem
jmp builtin_lrem
nb_lrem:
- popl %ecx /* delete return address */
- subl $2,%ecx /* faulting address is return adress - 2 */
- movl proto_java_lang_ArithmeticException,%eax
+ pop %ecx /* delete return address */
+ sub $2,%ecx /* faulting address is return adress - 2 */
+ mov proto_java_lang_ArithmeticException,%eax
jmp asm_handle_exception
*******************************************************************************/
asm_builtin_checkcast:
- xorl %eax,%eax
- movl $0,(%eax)
+ xor %eax,%eax
+ mov %eax,(%eax)
ret
*******************************************************************************/
asm_builtin_checkarraycast:
- subl $8,%esp /* build stack frame (2 * 4 bytes) */
+ sub $8,%esp /* build stack frame (2 * 4 bytes) */
- movl 12(%esp),%eax /* 8 (frame) + 4 (return) */
- movl %eax,(%esp) /* save object pointer */
+ mov 12(%esp),%eax /* 8 (frame) + 4 (return) */
+ mov %eax,(%esp) /* save object pointer */
- movl 20(%esp),%eax
- movl %eax,4(%esp)
+ mov 20(%esp),%eax
+ mov %eax,4(%esp)
call builtin_checkarraycast /* builtin_checkarraycast */
test %eax,%eax /* if (false) throw exception */
je nb_carray_throw
- movl 12(%esp),%eax /* return object pointer */
- addl $8,%esp
+ mov 12(%esp),%eax /* return object pointer */
+ add $8,%esp
ret
nb_carray_throw:
- addl $8,%esp
+ add $8,%esp
- popl %ecx /* delete return address */
- subl $2,%ecx /* faulting address is return adress - 2 */
- movl proto_java_lang_ClassCastException,%eax
+ pop %ecx /* delete return address */
+ sub $2,%ecx /* faulting address is return adress - 2 */
+ mov proto_java_lang_ClassCastException,%eax
jmp asm_handle_exception
*******************************************************************************/
asm_builtin_newarray:
- subl $8,%esp /* build stack frame (2 * 4 bytes) */
+ sub $8,%esp /* build stack frame (2 * 4 bytes) */
- movl 12(%esp),%eax
- movl %eax,(%esp)
+ mov 12(%esp),%eax
+ mov %eax,(%esp)
- movl 20(%esp),%eax
- movl %eax,4(%esp)
+ mov 20(%esp),%eax
+ mov %eax,4(%esp)
call builtin_newarray
- addl $8,%esp
+ add $8,%esp
ret
ret
-/*********************** function asm_builtin_trace ****************************
-* *
-* Intended to be called from the native stub. Saves all argument registers *
-* and calls builtin_trace_args. *
-* *
-*******************************************************************************/
-
-asm_builtin_trace:
- pusha
- subl $68,%esp /* 4 + 8 * 4 + 68 = 104 */
-
- movl 104(%esp),%eax
- movl 108(%esp),%edx
- movl %eax,(%esp)
- movl %edx,4(%esp)
-
- movl 112(%esp),%eax
- movl 116(%esp),%edx
- movl %eax,8(%esp)
- movl %edx,12(%esp)
-
- movl 120(%esp),%eax
- movl 124(%esp),%edx
- movl %eax,16(%esp)
- movl %edx,20(%esp)
-
- movl 128(%esp),%eax
- movl 132(%esp),%edx
- movl %eax,24(%esp)
- movl %edx,28(%esp)
-
- movl 136(%esp),%eax
- movl 140(%esp),%edx
- movl %eax,32(%esp)
- movl %edx,36(%esp)
-
- movl 144(%esp),%eax
- movl 148(%esp),%edx
- movl %eax,40(%esp)
- movl %edx,44(%esp)
-
- movl 152(%esp),%eax
- movl 156(%esp),%edx
- movl %eax,48(%esp)
- movl %edx,52(%esp)
-
- movl 160(%esp),%eax
- movl 164(%esp),%edx
- movl %eax,56(%esp)
- movl %edx,60(%esp)
-
- movl 168(%esp),%eax
- movl %eax,64(%esp)
-
- call builtin_trace_args
- addl $68,%esp
-
- popa
- ret
-
-
-/********************* function asm_builtin_exittrace **************************
-* *
-* Intended to be called from the native stub. Saves return value and calls *
-* builtin_displaymethodstop. *
-* *
-*******************************************************************************/
-
-asm_builtin_exittrace:
- pusha
- subl $24,%esp
-
- movl 60(%esp),%eax /* 4 + 8 * 4 + 24 = 60 */
- movl %eax,(%esp)
-
- movl 64(%esp),%eax
- movl 68(%esp),%edx
- movl %eax,4(%esp)
- movl %edx,8(%esp)
-
- movl 72(%esp),%eax
- movl 76(%esp),%edx
- movl %eax,12(%esp)
- movl %edx,16(%esp)
-
- movl 80(%esp),%eax
- movl %eax,20(%esp)
-
- call builtin_displaymethodstop
- addl $24,%esp
-
- popa
- ret
-
-asm_xadd:
- mov 4(%esp),%ecx
- mov 8(%esp),%eax
- lock
- xaddl %eax,0(%ecx)
- incl %eax
- ret
-
/*
* 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
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