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Is pic #23

Closed
wants to merge 4 commits into from
Closed

Is pic #23

wants to merge 4 commits into from

Commits on Apr 15, 2016

  1. Add is_pic field to statedump soinfo event 

    This field indicates whether the executable or library is position
independent code (PIC). The field is not added to the similar dlopen
event from liblttng-ust-dl because in that case all dlopened libraries
are necessarily PIC.

This allows a posteriori analyses to be performed without having to
read the executable file to know whether adresses are relative to the
base address or absolute.

Signed-off-by: Antoine Busque <abusque@efficios.com>
    @abusque
    abusque committed Apr 15, 2016
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  2. Tests: add tests for lttng_ust_elf_is_pic 

    This adds tests for the lttng_ust_elf_is_pic function used to tell
whether an executable is position independent code or not. Three
sample executables are used, one non-PIC executable, one PIE, and a
PIC shared object.

Signed-off-by: Antoine Busque <abusque@efficios.com>
    @abusque
    abusque committed Apr 15, 2016
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  3. Tests: add info to regenerate PIC test files 

    Signed-off-by: Antoine Busque <abusque@efficios.com>
    @abusque
    abusque committed Apr 15, 2016
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  4. Tests: list ust-elf test data explicitly in EXTRA_DIST 

    Signed-off-by: Antoine Busque <abusque@efficios.com>
    @abusque
    abusque committed Apr 15, 2016
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