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platform_system_core
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Author SHA1 Message Date
dimitry b6ba817de4 Define current ABI string in android-base/macros.h 
Test: make
Change-Id: I8200d7b3232edba43a583c5ff1e1b0f78c768f69
 2017-08-23 20:46:38 +02:00
Christopher Ferris 9a8c855780 Compare new unwinder to old unwinder in debuggerd. 
In debuggerd, when dumping a tombstone, run the new unwinder and verify
the old and new unwinder are the same. If not, dump enough information
in the tombstones to figure out how to duplicate the failure.

Bug: 23762183

Test: Builds, ran and forced a mismatch and verified output.
Change-Id: Ia178bde64d67e623d4f35086ebda68aebbff0c3c
 2017-08-11 16:37:59 -07:00
Josh Gao 77b00ed429 libdebuggerd: implement fallback register dumping on arm/aarch64. 
Bug: http://b/35439781
Test: killall -ABRT media.codec on internal
Change-Id: I7a23d3bfcf07ad584e677b2ef5fff28436ef0972
 2017-05-08 13:15:19 -07:00
Josh Gao 57f58f8e4a crash_dump: fetch process/thread names before dropping privileges. 
Processes that don't have dumpable set to 1 cannot have their
process/thread names read by processes that don't have all of their
capabilities. Fetch these names in crash_dump before dropping
privileges.

Bug: http://b/36237221
Test: debuggerd_test
Test: debuggerd -b `pidof android.hardware.bluetooth@1.0-service`
Change-Id: I174769e7b3c1ea9f11f9c8cbdff83028a4225783
 2017-03-15 23:30:14 -07:00
Josh Gao c7fe0600cc crash_dump: fix warnings, turn on -Werror. 
Test: mma
Change-Id: I0722fef7b513be976cbbe89f73e8bb7138a80442
 2017-03-13 14:13:29 -07:00
Josh Gao 9eb4eb1811 libdebuggerd: add compatibility shim. 
Avoid breaking internal code when AOSP automerges to internal.

This will be reverted after fixing up the uses on the other end.

Bug: http://b/35858739
Test: treehugger
Change-Id: If1ee03d8d7c218d3ad9f451cfe9a9077753dda02
 2017-03-09 12:13:16 -08:00
Josh Gao e1aa0ca58a debuggerd_handler: implement missing fallback functionality. 
Allow the fallback implementation to dump traces and create tombstones
in seccomped processes.

Bug: http://b/35858739
Test: debuggerd -b `pidof media.codec`; killall -ABRT media.codec
Change-Id: I381b283de39a66d8900f1c320d32497d6f2b4ec4
 2017-03-09 11:26:05 -08:00
Josh Gao e73c932373 libdebuggerd_handler: in-process crash dumping for seccomped processes. 
Do an in-process unwind for processes that have PR_SET_NO_NEW_PRIVS
enabled.

Bug: http://b/34684590
Test: debuggerd_test, killall -ABRT media.codec
Change-Id: I62562ec2c419d6643970100ab1cc0288982a1eed
 2017-02-15 17:03:44 -08:00
Josh Gao cbe70cb0a8 debuggerd: advance our amazing bet. 
Remove debuggerd in favor of a helper process that gets execed by
crashing processes.

Bug: http://b/30705528
Test: debuggerd_test
Change-Id: I9906c69473989cbf7fe5ea6cccf9a9c563d75906
 2017-01-17 13:57:57 -08:00