;============================================================================ ; Name: show_thread.cmm ; ; Description: Show preview of a specified thread ; ; Copyright (c) 2017 Qualcomm Technologies, Inc. ; All Rights Reserved. ; Qualcomm Technologies Proprietary and Confidential. ; ;---------------------------------------------------------------------------- ;============================================================================ ; ; EDIT HISTORY FOR MODULE ; ; when who what, where, why ; ---------- --- ----------------------------------------------------- ; 11-20-2017 yp Add params support and auto listing on missing ; 07-07-2017 yg Initial version ;============================================================================; ; ; ; Usage : do show_thread ; ; thread_t ptr : Pointer to the thread_t structure for the thread in ; question that's not the current running thread. ; ; This script only shows the preview of the stack frame, after pressing ; enter, all the registers are restored to continue execution of the ; current running thread ; ;------------------------------------------------------------------------------ ;Entry Point ;------------------------------------------------------------------------------ entry &cmd &parm local &X30_bak local &X29_bak local &X30_thr local &X29_thr local &SP_bak local &PC_bak local &sig local &ThrSP local &StructOnly local &ListNext local &ThrPtr local &Blocker local &TName local &TN local &Prio local &TS local &State local &CurCpu local &PinnedCpu local &SP local &LR local &match_thread local &ListPtr local &thread local &titile_showed local &Showallthread local &match_address_enable ; Magic number:name:offset &THREAD_Struct="0x74687264:thread:0x8" &EVENT_Struct="0x65766E74:event:0x10" &MUTEX_Struct="0x6D757478:mutex:0x18" &TIMER_Struct="0x74696D72:timer:0x8" &WAIT_Struct="0x77616974:wait:0x8" &SEMAPHORE_Struct="0x73656D61:semaphore:0x8" &Showallthread="FALSE" &match_thread="FALSE" &titile_showed="FALSE" &ThrPtr=0 &StructOnly=0 Main: if ("&cmd"==""||STRing.UPPER("&cmd")=="ALL") ( if ("&parm"=="") ( gosub GetlistPtr entry &ListPtr ) else ( if(STRing.compare(STRing.LoWeR("&parm"),"0x????????")) ( &ListPtr=&parm ) else ( print "Error:Wrong address of thread list" enddo ) ) gosub Showallthread &ListPtr ) else if (STRing.UPPER("&cmd")=="HELP") ( gosub Show_help ) else ( &match_thread="TRUE"; gosub Showthread &cmd entry &ThreadPtr if ("&ThreadPtr"=="dxe") ( &ThrPtr=v.value(DxeThreadPtr) ) else if ("&ThreadPtr"=="tmr") ( &ThrPtr=v.value(TimerThread) ) else if ("&ThreadPtr"!="") ( &ThrPtr=&ThreadPtr ) else ( &ThrPtr=data.quad(SPR:0x30D04) ; TPIDR_EL1 &StructOnly=1 ) &sig=data.long(D:&ThrPtr) if (("&sig"!=String.Split("&THREAD_Struct",":",0.))||("&ThrPtr"=="")) ( print "Memory does not point to the Thread context" enddo ) if (&StructOnly==1) ( v.v (thread_t*)&ThrPtr enddo ) &ThrSP=data.quad(D:&ThrPtr+0x50) &PC_bak=r(PC) &SP_bak=r(SP) &X30_bak=r(X30) &X29_bak=r(X29) &X30_thr=data.quad(D:&ThrSP) &X29_thr=data.quad(D:&ThrSP+0x78) r.s SP &ThrSP r.s PC &X30_thr r.s X30 &X30_thr r.s X29 &X29_thr print "" print "" print "Showing the frame for the thread specified..." print "Press enter to restore the registers back to continue debug.." enter r.s SP &SP_bak r.s PC &PC_bak r.s X30 &X30_bak r.s X29 &X29_bak print "Restored back to original thread" ) enddo Showthread: entry &thread &thread=STRing.Replace("&cmd","""","",0) if ("&match_thread"=="TRUE") ( if (STRing.compare(STRing.LoWeR("&thread"),"0x????????")) ( &match_address_enable=1; ) else ( &match_address_enable=0; ) gosub GetlistPtr entry &ListPtr ) &ListNext=&ListPtr &thread_matched=0 while (&ListNext!=0) ( &ThrPtr=&ListNext-0x8 &sig=data.long(D:&ThrPtr) if ("&sig"==String.Split("&THREAD_Struct",":",0.)) ( &TN=&ThrPtr+0x2B0 &TName=data.string(D:&TN) &Blocker=data.quad(D:&ThrPtr+0x40) &Prio=data.long(D:&ThrPtr+0x28) &TS=data.long(D:&ThrPtr+0x2c) &CurCpu=data.long(D:&ThrPtr+0x38) if ("&match_thread"=="TRUE") ( if (&match_address_enable==1) ( if (STRing.compare(STRing.LoWeR("&thread"),STRing.LoWeR("&ThrPtr"))) &thread_matched=1; ) else if (STRing.scan(STRing.LoWeR("&thread"),STRing.LoWeR("&TName"),0)!=-1) ( &thread_matched=1; ) ) if (&thread_matched==1||"&Showallthread"=="TRUE") ( gosub Showtitle if (&CurCpu>8) ( &CurCpu=" - " ) &PinnedCpu=data.long(D:&ThrPtr+0x3c) if (&PinnedCpu>8) ( &PinnedCpu=" - " ) &SP=data.long(D:&ThrPtr+0x50) &LR=data.long(D:&SP) if (&TS==0) ( &State="Susp" ) else if (&TS==1) ( &State="Rdy " ) else if (&TS==2) ( &State="Run " ) else if (&TS==3) ( &State="Blk " ) else if (&TS==4) ( &State="Slp " ) else if (&TS==5) ( &State="Dead" ) print " &ThrPtr: " format.str("&TName",10.,' ') " | 0x" format.hex(2,&Prio) " | &State | &CurCpu | &PinnedCpu | &SP | &LR" gosub ShowBlocker &Blocker if (&thread_matched==1) return &ThrPtr ) ;gosub ShowBlocker &Blocker ) &ListNext=data.quad(D:&ListNext) if (&ListNext==&ListPtr) ( &ListNext=0 ) ) print " " print " " return GetlistPtr: Local &ListPtr &ListPtr=var.address(thread_list) &ListPtr=string.split("&ListPtr", ":", 1.) return &ListPtr Showallthread: Entry &ListPtr if ("&ListPtr"=="") ( gosub GetlistPtr entry &ListPtr ) &Showallthread="TRUE" gosub Showthread &ListPtr return TraverseList: entry &TempListPtr local &tSig local &LNode local &FNode &tSig=data.long(D:&TempListPtr) if (&tSig!=0x77616974) ( return ) &LNode=data.long(D:&TempListPtr+0x8) &FNode=&LNode while (&LNode!=0) ( ; print "Node @ &LNode" &LNode=data.long(D:&LNode) if (&FNode==&LNode) ( &LNode=0 ) ) return ShowBlocker: entry &Blocker if (&Blocker!=0) ( ; Show thread structure ;v.v (thread_t*)(&ThrPtr) &offset=String.Split("&EVENT_Struct",":",2.) &BlockerPtr=&Blocker-&offset ;&ObjType=data.long(D:&BlockerPtr-0x10) &ObjType=data.long(D:&BlockerPtr) if ("&ObjType"==String.Split("&EVENT_Struct",":",0.)) ( ;print "event Objtype is &ObjType" &ObjTypeStr=String.Split("&EVENT_Struct",":",1.) ; Show what is it blocked on print %CONT " < Evt @ &BlockerPtr" ) else ( &offset=String.Split("&SEMAPHORE_Struct",":",2) &BlockerPtr=&Blocker-&offset &ObjType=data.long(D:&BlockerPtr) if ("&ObjType"==String.Split("&SEMAPHORE_Struct",":",0.)) ( ;print "Semaphore Objtype is &ObjType" ;&ObjTypeStr="Semaphore" &ObjTypeStr=String.Split("&SEMAPHORE_Struct",":",1.) ; Show what is it blocked on ; print " &TName is blocked by Obj &Blocker Type &ObjTypeStr" print %CONT " < Sem @ &Blocker" ) else ( &offset=String.Split("&MUTEX_Struct",":",2) &BlockerPtr=&Blocker-&offset &ObjType=data.long(D:&BlockerPtr) if ("&ObjType"==String.Split("&MUTEX_Struct",":",0.)) ( ;print "Mutex Objtype is &ObjType" &ObjTypeStr=String.Split("&MUTEX_Struct",":",1.) &ObjOwner=data.quad(DC:&Blocker-0x10) ; Show what is it blocked on ; print " &TName is blocked by Obj &Blocker Type &ObjTypeStr Owner &ObjOwner" print %CONT " < Mtx @ &Blocker Owner &ObjOwner" ) ) ) ; Show who are all waiting in the queue gosub TraverseList &Blocker ; gosub Show_Locks ; print " " ) return Show_Locks: v.v %open (LockType*)DxeLockPtr Var.View %open (mutex_t*)(*(((LockType*)DxeLockPtr))).MutexPtr Var.view %open (mutex_t)SerialPortMutex return Show_help: print "*********************************************************************************************" print "* Show thread *" print "* 1. show all thread -- do show_thread.cmm or do show_thread.cmm all *" print "* 2. show one thread -- do show_thread.cmm ""thread_name""/ *" print "*********************************************************************************************" return Showtitle: if ("&titile_showed"=="FALSE") ( print "" print "" print " thread_t*: Name Prio State CurrCpu PinCpu SP LR" print "-----------------------------------------------------------------------------------" &titile_showed="TRUE" ) return enddo