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libdwfl/
2014-01-03 Jan Kratochvil <jan.kratochvil@redhat.com>
Detect infinite backtraces.
* dwfl_frame.c (state_alloc): Initialize CFA.
* frame_unwind.c (expr_eval): Remove parameter frame, add parameter
elfclass. Move elfclass to handle_cfi. Replace recursive call by
state->unwound->CFA.
(new_unwound): Initialize CFA.
(handle_cfi): Move elfclass here. Compute CFA. Update expr_eval
caller parameters.
* libdwflP.h (DWFL_ERRORS): Add UNWIND_BAD_CFA.
(struct Dwfl_Frame): Add field cfa.
tests/
2014-01-03 Jan Kratochvil <jan.kratochvil@redhat.com>
* Makefile.am (TESTS): Add run-cfaloop.sh.
(EXTRA_DIST): Add run-cfaloop.sh, testfilecfaloop.S,
testfilecfaloop.bz2, testfilecfaloop.c and testfilecfaloop.core.bz2.
* run-cfaloop.sh: New file.
* testfilecfaloop.S: New file.
* testfilecfaloop.bz2: New file.
* testfilecfaloop.c: New file.
* testfilecfaloop.core.bz2: New file.
Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
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