gdb自动化调试

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gdb自动化调试

basic

variable

set $a=1

register

i r print registers

set $eax=1

function

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define func_name
    <body>
end

# func doc
document func_name
# write documents here 
end

condition

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condition N COND #Specify breakpoint number N to break only if COND(expr) is true

b [if CONDITION]

if <condition>
    # do something 
else 
    # do other things 
end

loop

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while <condition> 
    # do something 
end

commands

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commands 1 # breakpoint number
  print argc
  continue
end

run batch

  • source run.batch
  • gdb --batch --command=run.batch --args test.exe <args>

example

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set $LINE = 10
set $LINE2 = 20

b main
commands 1
  print argc
  continue
end

b test.c:$LINE
commands 2
  #none
end

b test.c:$LINE2
commands
  backtrace
  continue
end