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These projects have moved to a different location.
platform/system/core [libprocinfo] -> platform/system/libprocinfo
platform/system/core [libbacktrace] -> platform/system/unwinding [libbacktrace]
platform/system/core [libunwindstack] -> platform/system/unwinding [libunwindstack]
BUG: 163786882
Test: Local build + TH
Change-Id: Id6d278d917236df0ffd40b5c32593856e112cb5b
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Bionic".
Relanding unchanged - the build problem was due to a split topic.
Test: m checkbuild
Test: atest libunwindstack_unit_test
Test: lunch fvp-userdebug && mmm system/core/libunwindstack
Bug: 152255951
Change-Id: Ifd1ced65b840ef216630906eec1ec31233e0c5f1
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Reason for revert: Breaks rvc-d1-dev-plus-aosp: http://ab/6443190
Reverted Changes:
Ide447b89a:bionic_libc_platform_headers is only available whe...
Ia93cd3ec8:bionic_libc_platform_headers is only available whe...
Icdc495588:Make bionic_platform_headers available only for Bi...
Idfd7c87dc:bionic_libc_platform_headers is only available whe...
Bug: 152255951
Bug: 155269399
Change-Id: I4e6beba5565e604fde3a51cdce5cc4041caffa4e
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Test: m checkbuild
Test: atest libunwindstack_unit_test
Test: lunch fvp-userdebug && mmm system/core/libunwindstack
Bug: 152255951
Change-Id: Idfd7c87dc65db350730fec3ceef8c6bc64acf60b
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This uses an experimental Linux kernel API for reading the tags across
processes using ptrace.
Bug: 135772972
Test: Unit tests pass.
Change-Id: Ib1a09d9219166011de80cf250b756bb8a4bcdb0a
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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
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Also, modify the ProcessVmRead function to allow arbitrarily large
reads and add a test for it.
Test: Run tool and verify the output can be used to do an offline
Test: unwind.
Test: Ran unit tests.
Change-Id: I0974ddca4f5cf72b4c9fa29b597a0a669e223828
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The process_vm_read function is much faster than ptrace, but sometimes
that will not work on a remote process. Modify the libunwindstack
MemoryRemote object to figure out which one it can use.
Wrote new unit test to verify this checking behavior.
Modify libbacktrace so that the read from libunwind is used instead of
using the default ptrace calls.
Add some benchmarks to libbacktrace to compare the two different methods.
Test: Ran unit tests libbacktrace/libunwindstack/debuggerd.
Test: Ran debuggerd -b <SYSTEM_SERVER_PID>
Test: Ran debuggerd -b <MEDIACODEC PID>
Test: Ran debuggerd -b <RANDOM_PID>
Test: Used crasher to create tombstones and verified stack data is
Test: dumped properly.
Change-Id: If75ca238289532dd8e1de430d569cabb2523380a
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Some processes will fail to read when using process_vm_read, so switch
back to ptrace for now. For example, the system_server process only
gets two frames without this fix.
Fix up some of the remote memory read unit tests to allow passing
even when using ptrace.
Bug: 70160908
Test: All unit tests pass, debuggerd -b <system_server pid> works.
Change-Id: I37c67bf9c480d7268c9fe32dad6a8d78a4020b85
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Test: mma
Test: treehugger
Change-Id: I53c2c5600fb44620b629c01db85a67789594595f
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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
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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
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- Rewrite some of the UnwindTest tests to properly wait for the process
to be ready.
- Add a TestScopedPidReaper to make sure that fork process get killed even
if the test fails. Add this to all tests that fail.
- Create a quiesce function to be used by all of the tests that will
wait after attaching to a process.
Bug: 65287279
Test: Ran unit tests on hikey960 board and on host repeatedly.
Change-Id: I57084120396f34d8dfb852f3d814bef2056f1b54
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- 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
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- Fixes a few bugs in untested functionality.
- Add tests for the way the register handling code is used.
- Fix a few tests that were not reaping child processes.
Bug: 23762183
Test: Ran unit tests on host (32 bit and 64 bit).
Test: Ran unit tests on angler (32 bit and 64 bit).
Change-Id: I573d6617b4f1561f6e8494d7213c52086d112d97
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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
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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
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Bug: 23762183
Test: All unit tests pass.
Change-Id: I0ac69e55af56e1142c0a1ee3715cdc48f2ed3ec3
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