Commit Graph

8 Commits

Author SHA1 Message Date
Casey Dahlin 6b95a0e999 Internalize subclasses of Memory
There are many subclasses of the Memory class and the overwhelming
majority of them don't need to be exposed externally. We move all of
them to internal headers except MemoryOfflineBuffer, which moves to a
separate header. This dramatically reduces the exposed API surface and
makes the code more modular.

Also, remove the Offline code from libbacktrace. It's not used any where.

Test: Unit tests pass, clean tree still builds
Change-Id: I55dacdf080daba0bfe65c1ad53a4b326bb482e83
2019-06-11 12:09:18 -07:00
Josh Gao b837763b49 unwindstack: rename Memory::ReadPartially to Read.
Test: mma
Test: treehugger
Change-Id: I53c2c5600fb44620b629c01db85a67789594595f
2017-11-15 15:38:13 -08:00
Josh Gao ef35aa5d40 unwindstack: rename Memory::Read to ReadFully.
Rename Memory::Read to ReadFully to match its semantics with that of
android::base. ReadPartially will be renamed to Read in a follow up
commit, kept intentionally separate so that there aren't any callers
accidentally switched from ReadFully to Read.

Test: treehugger
Change-Id: I7d845ac5244c3025d92c8512e960e5d0d1da05af
2017-11-15 15:38:13 -08:00
Josh Gao 29c5378e91 unwindstack: add Memory::ReadPartially.
Add a way to read while allowing for partial reads.

Test: new tests added to libunwindstack_test, ran 32/64 on hikey960, sailfish
Test: ran unwind on hikey960/sailfish
Change-Id: I8b11d9230fcd3122148ef3f980863ac1404ad70a
2017-11-15 15:38:13 -08:00
Christopher Ferris d226a51409 Make the library usable as a library.
- Add namespace unwindstack everywhere so that it's easier for other
  code to use the library.
- Move some of the header files into include/unwindstack so that they
  can be exposed.
- Modify the headers so that only a limited number need to be exposed.
- Update the tools to use the new headers.
- Add a GetLoadBias() call on the Elf object. This prevents the need
  to get the interface object out of the Elf object.
- Move the GetRelPc() call out of the Reg class, to the Elf class. It's
  not always the case that a Reg object will be around when you want to
  get a relative pc. The tests for this moved to ElfTest.cpp.

Bug: 23762183

Test: Unit tests pass.
Change-Id: Iac609dac1dd90ed83d1a1e24ff2579c96c023bc3
2017-07-14 12:20:23 -07:00
Christopher Ferris f447c8eb20 Add overflow checks in Memory objects.
Also change one of the reads to be explicitly ReadField instead of an
overloaded Read function.

Bug: 23762183

Test: Passes new unit tests.
Change-Id: Id848f7b632f67df0c5b7318d9e588942cfd2099a
2017-04-03 18:36:33 -07:00
Christopher Ferris 3958f8060a Elf interface for new unwinder.
This cl includes the code to read arm unwind information from a shared
library.

Bug: 23762183

Test: Passes all unit tests. I can dump the arm unwind information
Test: for an arm shared library.
Change-Id: I43501ea2eab843b81de8bd5128401dd1971af8d3
2017-03-09 12:27:16 -08:00
Christopher Ferris 723cf9b6e6 New version of unwinder.
Bug: 23762183

Test: All unit tests pass.
Change-Id: I0ac69e55af56e1142c0a1ee3715cdc48f2ed3ec3
2017-01-25 12:21:51 -08:00