Created
November 4, 2012 14:12
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Java代码汇编后的完整代码
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| Java HotSpot(TM) Client VM warning: PrintAssembly is enabled; turning on DebugNonSafepoints to gain additional output | |
| Loaded disassembler from E:\dev\java\jre\bin\client\hsdis-i386.dll | |
| Decoding compiled method 0x0185ff48: | |
| Code: | |
| [Disassembling for mach='i386'] | |
| [Entry Point] | |
| [Constants] | |
| # {method} 'hashCode' '()I' in 'java/lang/String' | |
| # [sp+0x20] (sp of caller) | |
| 0x01860040: nop | |
| 0x01860041: nop | |
| 0x01860042: nop | |
| 0x01860043: nop | |
| 0x01860044: nop | |
| 0x01860045: nop | |
| 0x01860046: nop | |
| 0x01860047: cmp 0x4(%ecx),%eax | |
| 0x0186004a: jne 0x017fd100 ; {runtime_call} | |
| [Verified Entry Point] | |
| 0x01860050: mov %eax,-0x4000(%esp) | |
| 0x01860057: push %ebp | |
| 0x01860058: sub $0x18,%esp ;*aload_0 | |
| ; - java.lang.String::hashCode@0 (line 1446) | |
| 0x0186005b: mov %ecx,0x10(%esp) | |
| 0x0186005f: mov 0xc(%ecx),%eax ;*getfield hash | |
| ; - java.lang.String::hashCode@1 (line 1446) | |
| 0x01860062: cmp $0x0,%eax | |
| 0x01860065: jne 0x018600ad ;*ifne | |
| ; - java.lang.String::hashCode@6 (line 1447) | |
| 0x0186006b: mov 0x8(%ecx),%esi ;*getfield value | |
| ; - java.lang.String::hashCode@10 (line 1447) | |
| 0x0186006e: mov 0x8(%esi),%edi ;*arraylength | |
| ; - java.lang.String::hashCode@13 (line 1447) | |
| ; implicit exception: dispatches to 0x018600b8 | |
| 0x01860071: cmp $0x0,%edi | |
| 0x01860074: jle 0x018600ad ;*ifle | |
| ; - java.lang.String::hashCode@14 (line 1447) | |
| 0x0186007a: mov $0x0,%ebx | |
| 0x0186007f: jmp 0x018600a2 ;*iload_3 | |
| ; - java.lang.String::hashCode@24 (line 1450) | |
| 0x01860084: cmp 0x8(%esi),%ebx ; implicit exception: dispatches to 0x018600bd | |
| 0x01860087: jae 0x018600c7 | |
| 0x0186008d: movzwl 0xc(%esi,%ebx,2),%edx ;*caload | |
| ; - java.lang.String::hashCode@39 (line 1451) | |
| 0x01860092: mov %eax,%ecx | |
| 0x01860094: shl $0x5,%eax | |
| 0x01860097: sub %ecx,%eax | |
| 0x01860099: add %edx,%eax | |
| 0x0186009b: inc %ebx ; OopMap{esi=Oop [16]=Oop off=92} | |
| ;*goto | |
| ; - java.lang.String::hashCode@45 (line 1450) | |
| 0x0186009c: test %eax,0xb0100 ;*goto | |
| ; - java.lang.String::hashCode@45 (line 1450) | |
| ; {poll} | |
| 0x018600a2: cmp %edi,%ebx | |
| 0x018600a4: jl 0x01860084 ;*if_icmpge | |
| ; - java.lang.String::hashCode@30 (line 1450) | |
| 0x018600a6: mov 0x10(%esp),%ecx | |
| 0x018600aa: mov %eax,0xc(%ecx) ;*putfield hash | |
| ; - java.lang.String::hashCode@50 (line 1453) | |
| 0x018600ad: add $0x18,%esp | |
| 0x018600b0: pop %ebp | |
| 0x018600b1: test %eax,0xb0100 ; {poll_return} | |
| 0x018600b7: ret | |
| 0x018600b8: call 0x0185db90 ; OopMap{ecx=Oop [16]=Oop esi=Oop off=125} | |
| ;*arraylength | |
| ; - java.lang.String::hashCode@13 (line 1447) | |
| ; {runtime_call} | |
| 0x018600bd: call 0x0185db90 ; OopMap{esi=Oop [16]=Oop off=130} | |
| ;*caload | |
| ; - java.lang.String::hashCode@39 (line 1451) | |
| ; {runtime_call} | |
| 0x018600c2: call 0x0185db90 ; OopMap{esi=Oop [16]=Oop off=135} | |
| ;*caload | |
| ; - java.lang.String::hashCode@39 (line 1451) | |
| ; {runtime_call} | |
| 0x018600c7: mov %ebx,(%esp) | |
| 0x018600ca: call 0x0185d890 ; OopMap{esi=Oop [16]=Oop off=143} | |
| ;*caload | |
| ; - java.lang.String::hashCode@39 (line 1451) | |
| ; {runtime_call} | |
| 0x018600cf: nop | |
| 0x018600d0: nop | |
| 0x018600d1: mov %fs:0x0(,%eiz,1),%esi | |
| 0x018600d9: mov -0xc(%esi),%esi | |
| 0x018600dc: mov 0x188(%esi),%eax | |
| 0x018600e2: movl $0x0,0x188(%esi) | |
| 0x018600ec: movl $0x0,0x18c(%esi) | |
| 0x018600f6: add $0x18,%esp | |
| 0x018600f9: pop %ebp | |
| 0x018600fa: jmp 0x0180bb80 ; {runtime_call} | |
| 0x018600ff: hlt | |
| [Exception Handler] | |
| [Stub Code] | |
| 0x01860100: call 0x0185eec0 ; {no_reloc} | |
| 0x01860105: push $0x60cac9fc ; {external_word} | |
| 0x0186010a: call 0x0186010f | |
| 0x0186010f: pusha | |
| 0x01860110: call 0x60b8d370 ; {runtime_call} | |
| 0x01860115: hlt | |
| [Deopt Handler Code] | |
| 0x01860116: push $0x1860116 ; {section_word} | |
| 0x0186011b: jmp 0x017fca70 ; {runtime_call} | |
| Decoding compiled method 0x018605c8: | |
| Code: | |
| [Entry Point] | |
| [Constants] | |
| # {method} 'charAt' '(I)C' in 'java/lang/String' | |
| # this: ecx = 'java/lang/String' | |
| # parm0: edx = int | |
| # [sp+0x20] (sp of caller) | |
| 0x018606d0: nop | |
| 0x018606d1: nop | |
| 0x018606d2: nop | |
| 0x018606d3: nop | |
| 0x018606d4: nop | |
| 0x018606d5: nop | |
| 0x018606d6: nop | |
| 0x018606d7: cmp 0x4(%ecx),%eax | |
| 0x018606da: jne 0x017fd100 ; {runtime_call} | |
| [Verified Entry Point] | |
| 0x018606e0: mov %eax,-0x4000(%esp) | |
| 0x018606e7: push %ebp | |
| 0x018606e8: sub $0x18,%esp | |
| 0x018606eb: mov %edx,%esi ;*iload_1 | |
| ; - java.lang.String::charAt@0 (line 657) | |
| 0x018606ed: cmp $0x0,%esi | |
| 0x018606f0: jl 0x0186071d ;*iflt | |
| ; - java.lang.String::charAt@1 (line 657) | |
| 0x018606f6: mov 0x8(%ecx),%eax ;*getfield value | |
| ; - java.lang.String::charAt@6 (line 657) | |
| 0x018606f9: mov 0x8(%eax),%edx ;*arraylength | |
| ; - java.lang.String::charAt@9 (line 657) | |
| ; implicit exception: dispatches to 0x01860741 | |
| 0x018606fc: cmp %edx,%esi | |
| 0x018606fe: jge 0x0186071d ;*if_icmplt | |
| ; - java.lang.String::charAt@10 (line 657) | |
| 0x01860704: cmp 0x8(%eax),%esi ; implicit exception: dispatches to 0x01860746 | |
| 0x01860707: jae 0x01860750 | |
| 0x0186070d: movzwl 0xc(%eax,%esi,2),%eax ;*caload | |
| ; - java.lang.String::charAt@27 (line 660) | |
| 0x01860712: add $0x18,%esp | |
| 0x01860715: pop %ebp | |
| 0x01860716: test %eax,0xb0100 ; {poll_return} | |
| 0x0186071c: ret ;*ireturn | |
| ; - java.lang.String::charAt@28 (line 660) | |
| 0x0186071d: xchg %ax,%ax | |
| 0x01860720: jmp 0x01860782 ; {no_reloc} | |
| 0x01860725: jmp 0x0186078c ;*new ; - java.lang.String::charAt@13 (line 658) | |
| 0x0186072a: mov %esi,%edx | |
| 0x0186072c: mov %eax,%ecx ;*invokespecial <init> | |
| ; - java.lang.String::charAt@18 (line 658) | |
| 0x0186072e: mov %eax,0x10(%esp) | |
| 0x01860732: nop | |
| 0x01860733: call 0x017fd300 ; OopMap{[16]=Oop off=104} | |
| ;*invokespecial <init> | |
| ; - java.lang.String::charAt@18 (line 658) | |
| ; {optimized virtual_call} | |
| 0x01860738: mov 0x10(%esp),%eax | |
| 0x0186073c: jmp 0x018607bc | |
| 0x01860741: call 0x0185db90 ; OopMap{eax=Oop off=118} | |
| ;*arraylength | |
| ; - java.lang.String::charAt@9 (line 657) | |
| ; {runtime_call} | |
| 0x01860746: call 0x0185db90 ; OopMap{eax=Oop off=123} | |
| ;*caload | |
| ; - java.lang.String::charAt@27 (line 660) | |
| ; {runtime_call} | |
| 0x0186074b: call 0x0185db90 ; OopMap{eax=Oop off=128} | |
| ;*caload | |
| ; - java.lang.String::charAt@27 (line 660) | |
| ; {runtime_call} | |
| 0x01860750: mov %esi,(%esp) | |
| 0x01860753: call 0x0185d890 ; OopMap{eax=Oop off=136} | |
| ;*caload | |
| ; - java.lang.String::charAt@27 (line 660) | |
| ; {runtime_call} | |
| 0x01860758: mov $0x0,%edx ; {oop(NULL)} | |
| 0x0186075d: push %eax | |
| 0x0186075e: push %ebx | |
| 0x0186075f: mov 0x50(%edx),%ebx | |
| 0x01860762: mov %fs:0x0(,%eiz,1),%eax | |
| 0x0186076a: mov -0xc(%eax),%eax | |
| 0x0186076d: cmp 0xec(%ebx),%eax | |
| 0x01860773: pop %ebx | |
| 0x01860774: pop %eax | |
| 0x01860775: jne 0x01860782 | |
| 0x0186077b: jmp 0x01860725 | |
| 0x0186077d: mov $0x5252a00,%eax | |
| 0x01860782: call 0x0185fa10 ; OopMap{off=183} | |
| ;*new ; - java.lang.String::charAt@13 (line 658) | |
| ; {runtime_call} | |
| 0x01860787: jmp 0x01860720 | |
| 0x01860789: nop | |
| 0x0186078a: nop | |
| 0x0186078b: nop | |
| 0x0186078c: mov %edx,%edx | |
| 0x0186078e: call 0x0185ddc0 ; OopMap{off=195} | |
| ;*new ; - java.lang.String::charAt@13 (line 658) | |
| ; {runtime_call} | |
| 0x01860793: jmp 0x0186072a | |
| 0x01860795: nop | |
| 0x01860796: nop | |
| 0x01860797: mov %fs:0x0(,%eiz,1),%esi | |
| 0x0186079f: mov -0xc(%esi),%esi | |
| 0x018607a2: mov 0x188(%esi),%eax | |
| 0x018607a8: movl $0x0,0x188(%esi) | |
| 0x018607b2: movl $0x0,0x18c(%esi) | |
| 0x018607bc: add $0x18,%esp | |
| 0x018607bf: pop %ebp | |
| 0x018607c0: jmp 0x0180bb80 ; {runtime_call} | |
| 0x018607c5: hlt | |
| 0x018607c6: hlt | |
| 0x018607c7: hlt | |
| 0x018607c8: hlt | |
| 0x018607c9: hlt | |
| 0x018607ca: hlt | |
| 0x018607cb: hlt | |
| 0x018607cc: hlt | |
| 0x018607cd: hlt | |
| 0x018607ce: hlt | |
| 0x018607cf: hlt | |
| [Stub Code] | |
| 0x018607d0: nop ; {no_reloc} | |
| 0x018607d1: nop | |
| 0x018607d2: mov $0x0,%ebx ; {static_stub} | |
| 0x018607d7: jmp 0x018607d7 ; {runtime_call} | |
| [Exception Handler] | |
| 0x018607dc: call 0x0185eec0 ; {runtime_call} | |
| 0x018607e1: push $0x60cac9fc ; {external_word} | |
| 0x018607e6: call 0x018607eb | |
| 0x018607eb: pusha | |
| 0x018607ec: call 0x60b8d370 ; {runtime_call} | |
| 0x018607f1: hlt | |
| [Deopt Handler Code] | |
| 0x018607f2: push $0x18607f2 ; {section_word} | |
| 0x018607f7: jmp 0x017fca70 ; {runtime_call} | |
| Decoding compiled method 0x018609c8: | |
| Code: | |
| [Entry Point] | |
| [Constants] | |
| # {method} 'length' '()I' in 'java/lang/String' | |
| # [sp+0x20] (sp of caller) | |
| 0x01860ac0: nop | |
| 0x01860ac1: nop | |
| 0x01860ac2: nop | |
| 0x01860ac3: nop | |
| 0x01860ac4: nop | |
| 0x01860ac5: nop | |
| 0x01860ac6: nop | |
| 0x01860ac7: cmp 0x4(%ecx),%eax | |
| 0x01860aca: jne 0x017fd100 ; {runtime_call} | |
| [Verified Entry Point] | |
| 0x01860ad0: mov %eax,-0x4000(%esp) | |
| 0x01860ad7: push %ebp | |
| 0x01860ad8: sub $0x18,%esp ;*aload_0 | |
| ; - java.lang.String::length@0 (line 623) | |
| 0x01860adb: mov 0x8(%ecx),%eax ;*getfield value | |
| ; - java.lang.String::length@1 (line 623) | |
| 0x01860ade: mov 0x8(%eax),%eax ;*arraylength | |
| ; - java.lang.String::length@4 (line 623) | |
| ; implicit exception: dispatches to 0x01860aec | |
| 0x01860ae1: add $0x18,%esp | |
| 0x01860ae4: pop %ebp | |
| 0x01860ae5: test %eax,0xb0100 ; {poll_return} | |
| 0x01860aeb: ret | |
| 0x01860aec: call 0x0185db90 ; OopMap{off=49} | |
| ;*arraylength | |
| ; - java.lang.String::length@4 (line 623) | |
| ; {runtime_call} | |
| 0x01860af1: nop | |
| 0x01860af2: nop | |
| 0x01860af3: mov %fs:0x0(,%eiz,1),%esi | |
| 0x01860afb: mov -0xc(%esi),%esi | |
| 0x01860afe: mov 0x188(%esi),%eax | |
| 0x01860b04: movl $0x0,0x188(%esi) | |
| 0x01860b0e: movl $0x0,0x18c(%esi) | |
| 0x01860b18: add $0x18,%esp | |
| 0x01860b1b: pop %ebp | |
| 0x01860b1c: jmp 0x0180bb80 ; {runtime_call} | |
| 0x01860b21: hlt | |
| 0x01860b22: hlt | |
| 0x01860b23: hlt | |
| 0x01860b24: hlt | |
| 0x01860b25: hlt | |
| 0x01860b26: hlt | |
| 0x01860b27: hlt | |
| 0x01860b28: hlt | |
| 0x01860b29: hlt | |
| 0x01860b2a: hlt | |
| 0x01860b2b: hlt | |
| 0x01860b2c: hlt | |
| 0x01860b2d: hlt | |
| 0x01860b2e: hlt | |
| 0x01860b2f: hlt | |
| [Exception Handler] | |
| [Stub Code] | |
| 0x01860b30: call 0x0185eec0 ; {no_reloc} | |
| 0x01860b35: push $0x60cac9fc ; {external_word} | |
| 0x01860b3a: call 0x01860b3f | |
| 0x01860b3f: pusha | |
| 0x01860b40: call 0x60b8d370 ; {runtime_call} | |
| 0x01860b45: hlt | |
| [Deopt Handler Code] | |
| 0x01860b46: push $0x1860b46 ; {section_word} | |
| 0x01860b4b: jmp 0x017fca70 ; {runtime_call} | |
| Decoding compiled method 0x01860c08: | |
| Code: | |
| [Entry Point] | |
| [Constants] | |
| # {method} '<init>' '()V' in 'java/lang/Object' | |
| # [sp+0x20] (sp of caller) | |
| 0x01860d00: nop | |
| 0x01860d01: nop | |
| 0x01860d02: nop | |
| 0x01860d03: nop | |
| 0x01860d04: nop | |
| 0x01860d05: nop | |
| 0x01860d06: nop | |
| 0x01860d07: cmp 0x4(%ecx),%eax | |
| 0x01860d0a: jne 0x017fd100 ; {runtime_call} | |
| [Verified Entry Point] | |
| 0x01860d10: mov %eax,-0x4000(%esp) | |
| 0x01860d17: push %ebp | |
| 0x01860d18: sub $0x18,%esp | |
| 0x01860d1b: mov %ecx,(%esp) ;*return | |
| ; - java.lang.Object::<init>@0 (line 37) | |
| 0x01860d1e: mov %ecx,0x10(%esp) | |
| 0x01860d22: call 0x0185dc80 ; OopMap{[16]=Oop off=39} | |
| ;*return | |
| ; - java.lang.Object::<init>@0 (line 37) | |
| ; {runtime_call} | |
| 0x01860d27: add $0x18,%esp | |
| 0x01860d2a: pop %ebp | |
| 0x01860d2b: test %eax,0xb0100 ; {poll_return} | |
| 0x01860d31: ret | |
| 0x01860d32: nop | |
| 0x01860d33: nop | |
| 0x01860d34: mov %fs:0x0(,%eiz,1),%esi | |
| 0x01860d3c: mov -0xc(%esi),%esi | |
| 0x01860d3f: mov 0x188(%esi),%eax | |
| 0x01860d45: movl $0x0,0x188(%esi) | |
| 0x01860d4f: movl $0x0,0x18c(%esi) | |
| 0x01860d59: add $0x18,%esp | |
| 0x01860d5c: pop %ebp | |
| 0x01860d5d: jmp 0x0180bb80 ; {runtime_call} | |
| 0x01860d62: hlt | |
| 0x01860d63: hlt | |
| 0x01860d64: hlt | |
| 0x01860d65: hlt | |
| 0x01860d66: hlt | |
| 0x01860d67: hlt | |
| 0x01860d68: hlt | |
| 0x01860d69: hlt | |
| 0x01860d6a: hlt | |
| 0x01860d6b: hlt | |
| 0x01860d6c: hlt | |
| 0x01860d6d: hlt | |
| 0x01860d6e: hlt | |
| 0x01860d6f: hlt | |
| [Exception Handler] | |
| [Stub Code] | |
| 0x01860d70: call 0x0185eec0 ; {no_reloc} | |
| 0x01860d75: push $0x60cac9fc ; {external_word} | |
| 0x01860d7a: call 0x01860d7f | |
| 0x01860d7f: pusha | |
| 0x01860d80: call 0x60b8d370 ; {runtime_call} | |
| 0x01860d85: hlt | |
| [Deopt Handler Code] | |
| 0x01860d86: push $0x1860d86 ; {section_word} | |
| 0x01860d8b: jmp 0x017fca70 ; {runtime_call} |
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