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am a36a4076: am 5137db34: Merge "Add our LP32 ABI defects to the readme."

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* commit 'a36a407675c30b40e67f393be8e0dbfad1f81676':
  Add our LP32 ABI defects to the readme.
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Elliott Hughes
2015-01-09 22:06:01 +00:00
committed by Android Git Automerger
parent 950fd09771 a36a407675
commit bb819d30d3
1 changed files with 17 additions and 0 deletions
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README.md
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@@ -256,3 +256,20 @@ First, build and run the host tests as usual (see above).
$ genhtml -o covreport coverage.info # or lcov --list coverage.info $ genhtml -o covreport coverage.info # or lcov --list coverage.info
The coverage report is now available at `covreport/index.html`. The coverage report is now available at `covreport/index.html`.
LP32 ABI bugs
-------------
This probably belongs in the NDK documentation rather than here, but these
are the known ABI bugs in LP32:
* time_t is 32-bit. http://b/5819737
* off_t is 32-bit. There is off64_t, but no _FILE_OFFSET_BITS support.
Many of the off64_t functions are missing in older releases, and
stdio uses 32-bit offsets, so there's no way to fully implement
_FILE_OFFSET_BITS.
* sigset_t is too small on ARM and x86 (but correct on MIPS), so support
for real-time signals is broken. http://b/5828899