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breakpad should be able to handle hot/cold text segments |
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Issue descriptionsee issue 601854 breakpad (or crash dumper) is getting confused because linker generates 2 executable segments (hot/cold). Please fix breakpad to support this. Using separate hot/cold segments can improve performance (in particular when used with huge pages). separate hot/cold segments are used in Google3. We assume breakpad for google3 has a fix for this issue.
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Apr 26 2016
I am not convinced these are the same issues. In one case we are taking whole functions and putting them in a different .text section (.text_unlikely) in the other case, we are splitting a function into cold and hot parts and that is what was breaking 438447...
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Apr 27 2016
we know breakpad (at least dump_syms) has problems with multiple sections -- see issue 204974 where we tried to use -ffunction-sections but had to give up. if hot/cold text segments are split up into multiple sections, i suspect it's the same problem.
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Jul 6 2016
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Jul 13 2016
Tentatively marking as a duplicate of issue 438447 since AFAICT that explains exactly the issue we're seeing, with more detail as to the potential cause. |
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Comment 1 by cmt...@chromium.org
, Apr 26 2016