vxWorks shell调试方法vxWorks shell调试方法
(1)b设置断点
设置的方法有：“b 函数名”
“b 地址” （函数地址或者代码行地址，取决于看懂汇编）
“b 函数地址，任务地址” （i列出所有的任务，找到任务地址）
"b" 显示全部断点
"bd 地址" 删除断点
"bdall" 删除全部断点
"bh" 设置硬件断点, 如：PPC860就可以，PPC604就可以设置读写内存的断点。
(2)ti查看当前任务的信息
断点断住时，ti显示断住任务寄存器信息，r3为this指针地址，r4后续依次为函数的参数值
cret函数返回时，r3为函数的返回值
举例
-> ti 0x8d90240
NAME ENTRY TID PRI STATUS PC SP ERRNO DELAY
---------- ------------ -------- --- ---------- -------- -------- ------- -----
tXxxx 5d30d8 8d90240 160 PEND 1f85680 8d8ff80 0 0
task stack: base 0x8d90240 end 0x8d70240 size 131072 high 12176 margin 118896
exc. stack: base 0x8d91430 end 0x8d90500 start 0x8d91500
exc. stack: size 3888 high 496 margin 3392
proc id: 0x2fb0818 ((null))
VX_SUPERVISOR_MODE VX_DEALLOC_TCB VX_DEALLOC_EXC_STACK VX_FP_TASK VX_SPE_TASK
VxWorks Events
--------------
Events Pended on : Not Pended
Received Events : 0x0
Options : N/A
r0 = 0x020a4434 sp = 0x08d8ff80 r2 = 0x028203ec
r3 = 0x00000000 r4 = 0x0488f5c0 r5 = 0x00000000
r6 = 0x00000000 r7 = 0x00000000 r8 = 0x00000000
r9 = 0x020a43f8 r10 = 0x00000000 r11 = 0x04853b40
r12 = 0x00000000 r13 = 0x02f2ba80 r14 = 0x00000000
r15 = 0x00000000 r16 = 0x00000000 r17 = 0x00000000
r18 = 0x00000000 r19 = 0x00000000 r20 = 0x00000000
r21 = 0x00000000 r22 = 0x00000000 r23 = 0x00000000
r24 = 0x00000000 r25 = 0x00000000 r26 = 0xffffffff
r27 = 0x02f2b990 r28 = 0x00000400 r29 = 0x08d91530
r30 = 0x02029200 r31 = 0xffffffff msr = 0x02029200
lr = 0x020a4434 ctr = 0x020a43f8 pc = 0x01f85680
cr = 0x28000844 xer = 0x20000000 pgTblPtr = 0x00000000
asid = 0x00000001 spefscr = 0x00000000
value = 0 = 0x0
->
(3)lkup和lkAddr符号查找
lkup:符号到地址，例如：lkup "bdmain"
lkAddr:地址到符号，例如：lkAddr 0x004a5740
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