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* Move 32 bit/64 bit check into debuggerd.Christopher Ferris2015-01-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | On 64 bit systems, calls to dump_backtrace_to_file or dump_tombstone try and directly contact the correct debuggerd (32 bit vs 64 bit) by reading the elf information for the executable. Unfortunately, system_server makes a call to dump_backtrace_to_file and it doesn't have permissions to read the executable data, so it defaults to always contacting the 64 bit debuggerd. This CL changes the code so that all dump requests go to the 64 bit debuggerd, which reads the elf information and redirects requests for 32 bit processes to the 32 bit debuggerd. Testing: - Forced the watchdog code in system_server to dump stacks and verified that all native stacks are dumped correctly. - Verified that dumpstate and bugreport still properly dump the native processes on a 64 bit and 32 bit system. - Intentionally forced the 64 bit to 32 bit redirect to write only a byte at a time and verified there are no errors, and no dropped data. - Used debuggerd and debuggerd64 to dump 32 bit and 64 bit processes seemlessly. - Used debuggerd on a 32 bit system to dump native stacks. Bug: https://code.google.com/p/android/issues/detail?id=97024 Change-Id: Ie01945153bdc1c4ded696c7334b61d58575314d1
* #include <arpa/inet.h> for htonl.Elliott Hughes2014-12-181-0/+2
| | | | | Not sure why this only shows up with clang. Change-Id: Id5603483e32f8a8d4b091dbb31b3142e3f77deac
* Move debuggerd to libc++.Dan Albert2014-11-151-2/+0
| | | | | Bug: 15193147 Change-Id: I935a08e98077b688d1735fb5b84a615cb7df8810
* Fix arm emulator "D register out of range for selected VFP version" build ↵Elliott Hughes2014-07-091-0/+7
| | | | | | failure. Change-Id: Ia37cb3f8ecb00a927fa3fc8b4131c158413646e7
* Integrate vfp-crasher with crasher.Elliott Hughes2014-07-091-34/+0
| | | | | | | | | | | There's no good reason to separate "fill the integer registers with recognizable patterns and crash" from "fill the FP registers with recognizable patterns and crash". Also remove the incorrect use of ARCH_ARM_HAVE_VFP_D32 rather than try to fix it. Change-Id: I3a4a3aca1575de5489314027ae52168997404d79
* Merge "[MIPS64] Build debuggerd for mips64"Elliott Hughes2014-06-031-0/+2
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| * [MIPS64] Build debuggerd for mips64Duane Sand2014-06-031-0/+2
| | | | | | | | Change-Id: I361e9668baa218fc01e723c2df1a34ca6329cf47
* | Clean up the debuggerd makefile.Elliott Hughes2014-06-031-16/+15
|/ | | | | | | In particular, turn on -Wunused, which is globally off by default thanks to build/core/config.mk. Change-Id: Iba3ee1c0726f43eced972a53959f0e1cd97190c9
* debuggerd: turn on -WerrorMark Salyzyn2014-05-021-3/+3
| | | | | | - Deal with some -Wunused / -Wunused-variable issues Change-Id: I39849fe30170f69d1cab7d4ad2629b3a49e14ee7
* debuggerd: use LOCAL_MULTILIBColin Cross2014-03-261-17/+75
| | | | | | | Use LOCAL_MULTILIB to build multiple versions of executables instead of manually creating two build rules. Change-Id: I1a993ff7b5f527a88735f46eec9822bb97d16490
* build debuggerd and debuggerd64 on 64-bit architecturesColin Cross2014-02-121-50/+14
| | | | Change-Id: I1518d45ae0c5e0fed31d071fdaf19a67bad1bdfc
* LP64 should have debuggerd and debuggerd64.Elliott Hughes2014-01-311-1/+5
| | | | Change-Id: I4e39c200e6867bb9a5bbcfec1c449b8864028feb
* AArch64: Port debuggerdKévin PETIT2014-01-301-5/+1
| | | | | Change-Id: Ib18f76f375a1d70c84e0a09d221e17ac43144b96 Signed-off-by: Kévin PETIT <kevin.petit@arm.com>
* LP64: Enable debuggerd/libbacktrace/libunwind.Pavel Chupin2014-01-301-1/+2
| | | | | Change-Id: I2e432839f86c33c2adbaac8cc12ca8961956044b Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
* Move to C++ for debuggerd.Christopher Ferris2014-01-101-9/+17
| | | | | | | | | This is part 1, only including the bare minimum changes because our diff tool doesn't easily show differences when a file moves. This also breaks it into a small chunk in case some other changes break things, as unlikely as I think that will be. Change-Id: Ib7a3e7a2cc1ac574d15b65fda23813ebcf5d31af
* Update debuggerd to use libbacktrace.Christopher Ferris2013-10-031-3/+3
| | | | | | | | | | | | Remove all of the code in debuggerd that uses libcorkscrew directly and replace with libbacktrace. Also do a bit of refactoring to clean up some functions that were passing around variables that weren't used. Bug: 8410085 Change-Id: I27da4fbe3f12ce38a85b4432fc1119984c9c391b
* Add liblogYing Wang2013-04-091-2/+3
| | | | | Bug: 8580410 Change-Id: Iab3a9b4307f207c14a04a922cc7350c54e60e9ad
* Add a "smash-stack" option to crasher.Elliott Hughes2013-02-141-0/+1
| | | | | | | | bionic's __stack_chk_fail was preventing debuggerd from dumping stacks, which was not helpful. Bug: 2487269 Change-Id: Idba2a274037b960dfb2ac1c21686323268c4b372
* Remove HAVE_SELINUX guardsKenny Root2012-10-161-7/+5
| | | | Change-Id: I8272c573b3c5dc663203bafab68fad5e94d89364
* [MIPS] debuggerd and libcorkscrew supportChris Dearman2012-08-101-1/+1
| | | | Change-Id: I5a241dc2e470148be0ad2c138e31f1aba5ab8812
* restorecon tombstone directory.rpcraig2012-07-191-0/+6
| | | | | | | | Restore the security contexts of tombstone directory when initially created. Change-Id: I25b53730991576eccb62ca57050decd584acc639 Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>
* Enhance native stack dumps.Jeff Brown2012-06-081-3/+9
| | | | | | | | | | | | | | | | | | | | | | | | | Provides a new mechanism for dumpstate (while running as root) to request that debuggerd dump the stacks of native processes that we care about in bug reports. In this mode, the backtrace is formatted to look similar to a Dalvik backtrace. Moved the tombstone generating code into a separate file to make it easier to maintain. Fixed a bug where sometimes the stack traces would be incomplete because we were not waiting for each thread to stop after issuing PTRACE_ATTACH, only the main thread. So sometimes we were missing traces for some threads. Refactored the logging code to prevent accidentally writing data to logcat when explicitly dumping a tombstone or backtrace from the console. Only root or system server can request to dump backtraces but only root can dump tombstones. Bug: 6615693 Change-Id: Ib3edcc16f9f3a687e414e3f2d250d9500566123b
* Use libcorkscrew in debuggerd.Jeff Brown2011-10-221-6/+3
| | | | Change-Id: I5e3645a39d96c808f87075b49111d0262a19a0c8
* remove crasher and vfp-crasher from standard buildsBrian Swetland2011-01-231-2/+2
| | | | | | These are only for debuggerd testing. Change-Id: If2d2ff85e8c182d366cc251e9446ae7fdd094e55
* debuggerd: IA versionBruce Beare2010-11-291-2/+2
| | | | | | Change-Id: I0c0d9c2d7e476b8d117aaf505a9480a47c0b5c05 Signed-off-by: Lei Li <lei.l.li@intel.com> Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
* debuggerd: Reorganize to facilitate IA commitBruce Beare2010-11-291-2/+6
| | | | | Change-Id: I22dd02daf617672fc0a8ba7e396017c57f17e26e Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
* merge from open-source masterThe Android Open Source Project2010-06-101-1/+1
|\ | | | | | | Change-Id: I50b7bc6faa6d0abd4998cae8fc7dda1e8fa49407
| * debuggerd: Show function names in tombstone backtracesMeng Hu2010-05-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change enables debuggerd to provide backtraces with function names in tombstone files and log messages. It does this by reading the image file that the address is found in, and parsing the dynamic symbol table to try to extract the symbol corresponding to the given address. This works best when "-Wl,-export-dynamic" is added to the LDFLAGS of each library and executable, because this will cause all symbols to be added to the dynamic symbol table. If this flag is not present, it will still work, but it will only be able to identify functions which are part of the external API of the library/executable. Change-Id: I618baaff9ed9143b7d1a1f302224e9f21d2b0626
* | Use arch flags instead of TARGET_ARCH_VARIANT, and add support for VFP_D16Colin Cross2010-03-101-2/+15
| | | | | | | | Change-Id: I6007ff21076e92b04a17fb030472a9f8842f0315
* | Dump VFP registers and status word when native app crashes.Ben Cheng2009-12-171-2/+12
|/ | | | | Bug: 2226399 Caveat: d0/d1 appear to be clobbered by ptrace. It will be tracked by a new bug.
* auto import from //depot/cupcake/@135843The Android Open Source Project2009-03-031-0/+26
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* auto import from //depot/cupcake/@135843The Android Open Source Project2009-03-031-26/+0
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* Code drop from //branches/cupcake/...@124589The Android Open Source Project2008-12-171-0/+4
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* Initial ContributionThe Android Open Source Project2008-10-211-0/+22
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