1FUNCTION::PRINT_UBAC(3stap) Context Functions FUNCTION::PRINT_UBAC(3stap)
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6 function::print_ubacktrace_fileline - Print stack back trace for
7 current user-space task.
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10 1) print_ubacktrace_fileline()
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12 2) print_ubacktrace_fileline(pc:long,sp:long,fp:long)
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15 pc
16 override PC
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18 sp
19 override SP
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21 fp
22 override FP
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27 2) Equivalent toprint_ubacktrace, but output for each symbol is longer
28 including file names and line numbers.
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30 Equivalent to print_ubacktrace_fileline, but it performs the backtrace
31 using the pc, sp, and fp passed in.
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34 To get (full) backtraces for user space applications and shared shared
35 libraries not mentioned in the current script run stap with -d
36 /path/to/exe-or-so and/or add --ldd to load all needed unwind data.
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39 tapset::ucontext-unwind(3stap)
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43SystemTap Tapset Reference November 2020 FUNCTION::PRINT_UBAC(3stap)