我将在 PowerC
平台(vxworks)上运行应用程序,但我遇到了一个问题 . 我有一个数据访问异常 . 寄存器r3在执行前被伪造,
我不知道为什么,请帮我解决这个问题,谢谢!
0x7ff7150(tTask4_nor):T0的看门狗停止了0x7ff7150(tTask4_nor):CPU异常!向量:0x300任务:0 MSR:0x2029230 CR:0x48000882数据存储异常当前指令地址:0x07852fb4数据异常地址寄存器:0xdc7a557c条件寄存器:0x48000882异常综合症寄存器:0x00800000任务:0x7ff7150“tTask4_nor”0x8131870(ExcRecord) :exeExcRecord现在运行! 0x8131870(ExcRecord):exeExcRecord已经完成了! 0x7ff7150(tTask4_nor):任务0x7ff7150发生故障并已停止 . 0x7ff7150(tTask4_nor):任务已终止,因为它触发了引发信号11的异常 .
寄存器:
r0 = 0x05bfd934 sp = 0x07ff7058 r2 = 0x004b93f0
r3 = 0xdc7a557c r4 = 0x05bfd941 r5 = 0x00000000
r6 = 0x00000000 r7 = 0x00000000 r8 = 0x00000000
r9 = 0x05de550c r10 = 0x00000001 r11 = 0x05bfd900
r12 = 0x00000708 r13 = 0x00536930 r14 = 0x00000000
r15 = 0x00000000 r16 = 0x004c2198 r17 = 0x004eac48
r18 = 0x004ea988 r19 = 0x004ea98c r20 = 0x004ea990
r21 = 0x004ea994 r22 = 0x004ea998 r23 = 0x00000002
r24 = 0x004eabd8 r25 = 0x004eaa48 r26 = 0x004eaf94
r27 = 0x00000000 r28 = 0x004f0000 r29 = 0x05de550c
r30 = 0x005812a4 r31 = 0x00582b40 msr = 0x02029230
lr = 0x001df25c ctr = 0x001ea654 pc = 0x07852fb4
cr = 0x48000882 xer = 0x00000000 pgTblPtr = 0xeeeeeeee
asid = 0x00000001 spefscr = 0x00200000
拆卸:
0x7852f94 98640000 stb r3,0(r4)
0x7852f98 7c0802a6 mfspr r0,LR
0x7852f9c 9421fff8 stwu r1,-8(r1)
0x7852fa0 9001000c stw r0,12(r1)
0x7852fa4 3c6005de lis r3,0x5de # 1502
0x7852fa8 6063557c ori r3,r3,0x557c
0x7852fac 3c0005bf lis r0,0x5bf # 1471
0x7852fb0 6000d934 ori r0,r0,0xd934
*0x7852fb4 90030000 stw r0,0(r3)
0x7852fb8 3c000015 lis r0,0x15 # 21
0x7852fbc 600088b4 ori r0,r0,0x88b4
0x7852fc0 7c0803a6 mtspr LR,r0
0x7852fc4 4e800021 blrl
0x7852fc8 8001000c lwz r0,12(r1)
0x7852fcc 7c0803a6 mtspr LR,r0
0x7852fd0 38210008 addi r1,r1,0x8 # 8