Dbx Common commands

Dbx Based on the AIX 6.1 platform (we recommend that you directly view the help on the official website)

Start debugging

Command	Description
Dbx [pro]	Debug unstarted program pro
Dbx-A [pid]	Debug a running process (PID)
Detach	Exit and debug the program (but do not exit DBX), so that the program continues to run
Quit	Exit dbx

Command breakpoint during debugging

Command	Description
Cont	Continue execution from the current breakpoint until the next breakpoint (if there is a next breakpoint)
Delete	Delete a breakpoint, as shown in figure Delete 1st breakpoints (you can use 'status' to find the breakpoint number ): (DBX) delete 1
Status	Show all current breakpoints
Stop in Function Stop at "file": Line	Set breakpoints, as shown in figure Set the breakpoint at the function myfunc: (DBX) Stop in myfunc Set a breakpoint in row 100th of the source file main. C: (DBX) stop at "Main. c": 100
Use + [path]	Add the source code search path of the program, such as use + ../src/OS

Show Code

Command	Description
List	Displays the currently executed code, as shown in figure 10 to 20 lines of code are displayed for the current file: (DBX) List 10, 20
Use + [path]	Add the source code search path of the program, such as use + ../src/OS

Multithreading

Command

Description

Thread

Display All current threads, as shown in figure (dbx) thread thread state-k wchan state-u k-tid mode held scope function $t1 wait 0xf1000f0a1004a540 blocked 77922367 k no sys >$t2 run running 62128185 k no sys __fd_select $t3 wait running 76873903 k no sys Display details of thread 1: (dbx) thread info 1 thread state-k wchan state-u k-tid mode held scope function $t1 wait 0xf1000f0a1004a540 blocked 77922367 k no sys general: pthread addr = 0x00000001100aa2f8 size = 0x488 vp addr = 0x00000001100ac548 size = 0x330 thread errno = 0 start pc = 0x100002b04 joinable = yes pthread_t = 1 scheduler: kernel = user = 1 (other) nice = 60 event : event = 0x0 cancel = enabled, deferred, not pending stack storage: base = 0xfffffff00000000 size = 0xfffff910 limit = 0xffffffffffff910 sp = 0xffffffffffff610

References:

Ibm aix 6.1 Information Center: dbx