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Author SHA1 Message Date
Dan Albert
a3a8f6d2ab Remove libstdc++ dependency from host libbacktrace 
The libc++ version of libbacktrace on the host was still linking against
libstdc++, and this was causing problems in art.

Change-Id: I1d14fb9e18abd074affcf46c8044407041970669
 2014-05-21 20:10:02 -07:00
Dan Albert
ac2fe7eb81 Add missing headers 
These headers are needed for pid_t and free when using libc++ headers (POSIX
does not require that the symbols be exposed with the previous includes).

Change-Id: Ia51a4fdfdbae7377130a43c401c2d8d241671d1e
 2014-05-21 20:08:35 -07:00
Dan Albert
fbc5ca28c9 am c6112ca4: am 5b654f15: am 201bf676: Merge "Really fixes the ub branches" 
* commit 'c6112ca4b8d0712fdd4c0ab3258d3ceaf2f8064e':
  Really fixes the ub branches
 2014-05-20 00:23:03 +00:00
Dan Albert
ad51136267 Really fixes the ub branches 
Change-Id: I1d78f4e6c1d8086c2895f6739c3202e9ef74fee2
 2014-05-19 14:49:13 -07:00
Dan Albert
917152b8cc am 3f01965b: am 121f209d: am e1efe23f: Merge "Fix unbundled branches" 
* commit '3f01965b3d1335ffff57e15fd47e5d99400dad3f':
  Fix unbundled branches
 2014-05-19 19:31:17 +00:00
Dan Albert
a8b8460220 Fix unbundled branches 
Change-Id: Ic8a58a6cf55221ec361bbb80c7c9636fe1349943
 2014-05-19 11:40:27 -07:00
Dan Albert
7ce29b5826 am e9b36f1a: am 888f95e2: am f03bd953: Merge "Adds libc++ versions of libbacktrace" 
* commit 'e9b36f1a9a280877cb130452c50af6a51360a203':
  Adds libc++ versions of libbacktrace
 2014-05-19 18:33:51 +00:00
Dan Albert
40a46dde9c Adds libc++ versions of libbacktrace 
Change-Id: I4a1ce30e7c2166ac1846cc90de0252beee542ee6
 2014-05-19 10:23:16 -07:00
Christopher Ferris
d8698d739f am 413001aa: am 3a49aa7b: am 9428a289: Merge "Only include ucontext.h when necessary." 
* commit '413001aa6cd4addcf544348020f992ebc6d3e2d4':
  Only include ucontext.h when necessary.
 2014-05-10 00:27:42 +00:00
Christopher Ferris
c58287d601 Only include ucontext.h when necessary. 
Change-Id: I29014f6c6b82e0a9797e5d76147b3c4e3d82a7f5
 2014-05-09 16:59:06 -07:00
Christopher Ferris
e49e43d4aa am 3adbe79d: am 66e31dc5: am 3a088524: Merge "Rewrite unwind thread handling." 
* commit '3adbe79d2f14665ff55a9b0db245abebc105658d':
  Rewrite unwind thread handling.
 2014-05-09 16:45:35 +00:00
Christopher Ferris
3a088524cb Merge "Rewrite unwind thread handling." 2014-05-09 16:33:12 +00:00
Christopher Ferris
a2efd3ac7a Rewrite unwind thread handling. 
This new version doesn't require any specialized thread
implementation, it uses the Current implementation to do its job.
In addition, it runs much faster when multiple threads are trying
to unwind at the same time since the global signal lock is held for
only a small amount of time. Even running through the threads one at
a time should be faster since it no longer requires two passes through
the unwound stacks.

The new code now allows multiple simultaneous unwinds of the
same thread.

Finally, add the ability to unwind from a ucontext_t passed in. This
functionality doesn't work for remote unwinds yet.

Change-Id: I4d181d7ca5ffd2acfd1686e668e6d21e36b425cb
 2014-05-08 14:42:16 -07:00
Ying Wang
da6a0aa0df am b18da571: am 1e6cd741: am 803fb62b: Merge "Remove unused LOCAL_LDLIBS." 
* commit 'b18da571f90eebedd99fe5607a6b0d7ae4e91893':
  Remove unused LOCAL_LDLIBS.
 2014-05-08 18:23:57 +00:00
Ying Wang
9f437d7181 Remove unused LOCAL_LDLIBS. 
Change-Id: I42aeb7668183e7a06207ee063f6eee4d37d66c6e
 2014-05-07 15:36:05 -07:00
Christopher Ferris
68831f852e am 7e250b00: am fbd2a506: am 9ed86eff: Merge "Use real time signal for threads instead of SIGURG." 
* commit '7e250b002b5a28a3919bc704e9bc6610b3a4096f':
  Use real time signal for threads instead of SIGURG.
 2014-05-01 00:24:30 +00:00
Christopher Ferris
aa63d9f980 Use real time signal for threads instead of SIGURG. 
This guarantees that any application is not also using this signal
for some other purpose.

Change-Id: I7c9bbb0ec8bb4e13322ecda951bcd43c6bf6ee1a
 2014-04-30 16:32:47 -07:00
Christopher Ferris
873dc35b74 am c79e511d: am 481b551a: am 0b0e0eae: Merge "Small cleanup of duplicated test values." 
* commit 'c79e511d828cd3dfdd79af40ce5be556a4c2ff9b':
  Small cleanup of duplicated test values.
 2014-04-29 16:09:06 +00:00
Christopher Ferris
11b5fcb9f1 Small cleanup of duplicated test values. 
A few flags were duplicates of flags already passed when using the TEST
targets.

Change-Id: I8f0d09915f5b830050fe25635a0852e8536e3aca
 2014-04-28 21:06:31 -07:00
Christopher Ferris
8439e3249e am 2d3bccde: am 61af820e: am 2317287d: Merge "Remove libcorkscrew." 
* commit '2d3bccdedc058e2f9e10d507c43e1da51d32260f':
  Remove libcorkscrew.
 2014-04-25 22:38:21 +00:00
Christopher Ferris
8f36be3cdb am e3615230: am 8c526578: am 4a5966b9: Merge "Change sprintf to snprintf calls." 
* commit 'e36152308da6b1e67b05ad790081bc7e4424ae4e':
  Change sprintf to snprintf calls.
 2014-04-25 22:38:10 +00:00
Christopher Ferris
688a8a7232 Remove libcorkscrew. 
All unwinding is now done through libunwind.

Change-Id: I93ba6f5bd5ad41eeb5f6a93113b7894f842cc8e0
 2014-04-25 11:25:56 -07:00
Christopher Ferris
b8c72957f0 Change sprintf to snprintf calls. 
Change-Id: I8893246fcd541d97b02a1a4cac81c53c6cd2e394
 2014-04-24 16:20:50 -07:00
Christopher Ferris
04c5192ff5 am 3af88bc6: am e87dab14: am 07fa0433: Merge "Remove the arm64 special case." 
* commit '3af88bc6377f50904ad3172b06f76d95ceda9cda':
  Remove the arm64 special case.
 2014-04-22 13:37:44 +00:00
Christopher Ferris
04fd4389fb Remove the arm64 special case. 
The stack-protector option is handled by the global makefiles.

Change-Id: I99c4a1624e72ad91ac10eef27c0e3758fe9af8ba
 2014-04-21 17:57:56 -07:00
Christopher Ferris
17224d57fb Avoid logging functions from signal handler. 
(cherry picked from commit 9007677fcb)

Change-Id: Ic0163f43308c6a281ab3757d90933e5127843fed
 2014-04-15 12:18:44 -07:00
Christopher Ferris
9007677fcb Avoid logging functions from signal handler. 
Change-Id: Ic61f7054ced223631f95efb519fa1825fb3e1010
 2014-04-11 13:05:07 -07:00
Christopher Ferris
7962e4acc7 am 6a8c3164: am e35cba9a: am a97798af: Merge "Create an UnwindMapLocal object." 
* commit '6a8c316438032c72ffdd2988cc1eb2717f477254':
  Create an UnwindMapLocal object.
 2014-04-04 03:19:39 +00:00
Christopher Ferris
e296091060 Create an UnwindMapLocal object. 
The way libunwind handles local unwinds is different from remote unwinds,
so create a new map object to handle the differences.

Add new test to verify the map data is being generated correctly.

Add new tests to check for leaks.

Refactor the BACK_LOGW code into a single header file.

Change-Id: I01f3cbfc4b927646174ea1b614fa25d23b9b3427
 2014-04-03 14:19:24 -07:00
Christopher Ferris
dc6d9241de am a6631bb3: am 3bcefc66: am 62f12bd9: Merge "Enable libunwind for mips." 
* commit 'a6631bb38fbf77415592c10734710df8afa0deab':
  Enable libunwind for mips.
 2014-02-26 22:39:08 +00:00
Christopher Ferris
c29a1345a0 Enable libunwind for mips. 
Change-Id: Ib1d7bea0cb7ac09a9e15c7f429ecfd944649fc87
 2014-02-26 13:41:32 -08:00
Colin Cross
c89210e3a8 am ec04a8d4: am d90b11b6: am 13274a26: Merge "Fix logging errors inside ALOGV" 
* commit 'ec04a8d45bc6b01c3c2cd4a3064d194f7beeb386':
  Fix logging errors inside ALOGV
 2014-02-10 12:51:26 +00:00
Colin Cross
f4b0b7971c Fix logging errors inside ALOGV 
Fix errors exposed by adding checking to disabled ALOGVs.

Change-Id: I36b77bb0ad8dc7661b0f834f20d1179b86134d57
 2014-02-07 13:26:04 -08:00
Christopher Ferris
a3fe7a7927 am 10c2607c: am 77b23023: am 3faf86c0: Merge "Call a specialized local map set." 
* commit '10c2607c3cc4903ca8dcbe2245f66d21af199865':
  Call a specialized local map set.
 2014-02-03 17:00:01 +00:00
Christopher Ferris
73dc1cc3fb Call a specialized local map set. 
Bug: 12852152
Change-Id: I8a0c558bc218805b0e06371af0af055e4aa6e0bb
 2014-02-01 11:53:33 -08:00
Christopher Ferris
936fa72620 am 5127626b: am 3133a4a2: am 0fdf0dc7: Merge "Refactor makefile." 
* commit '5127626b4a7d998a75d366bf1128be91c6047dc0':
  Refactor makefile.
 2014-01-31 23:11:20 +00:00
Elliott Hughes
9361b58330 am fe0d5d42: am 5434bf66: Merge "LP64: Enable debuggerd/libbacktrace/libunwind." 
* commit 'fe0d5d42e4ca8b77d6a0657be1b8b6343c21d689':
  LP64: Enable debuggerd/libbacktrace/libunwind.
 2014-01-31 22:38:29 +00:00
Christopher Ferris
04b1e8c812 Refactor makefile. 
With this change allow the creation of host backtrace libraries using
libunwind.

Change-Id: Ie48bb36cf0d2eccf94cb8ff516d829d8032f11f2
 2014-01-31 10:16:52 -08:00
Elliott Hughes
daea762e03 am e5734557: am caefe564: Merge "x86: Enable libunwind" 
* commit 'e5734557d962c801375eeee600e89c98d65dd976':
  x86: Enable libunwind
 2014-01-31 16:41:14 +00:00
Christopher Ferris
6334485f16 am cbe55724: am 7957529d: Merge "Clean up UnwindCurrent.cpp\'s use of ucontext.h." 
* commit 'cbe55724c8211c9c06362cebff0a262197dbc351':
  Clean up UnwindCurrent.cpp's use of ucontext.h.
 2014-01-31 16:41:13 +00:00
Ian Rogers
f312814060 am c9869057: am 1ca10eab: Merge "Avoid redefinition of __STDC_FORMAT_MACROS." 
* commit 'c98690576ab6d7d13e5c0d3387db8149de71d9de':
  Avoid redefinition of  __STDC_FORMAT_MACROS.
 2014-01-31 16:41:11 +00:00
Pavel Chupin
c6c194ced0 LP64: Enable debuggerd/libbacktrace/libunwind. 
Change-Id: I2e432839f86c33c2adbaac8cc12ca8961956044b
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
 2014-01-30 17:15:24 -08:00
Pavel Chupin
c124402f39 x86: Enable libunwind 
Change-Id: I098787f57801f68d0419732d5fd475c7e916c92c
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
 2014-01-30 11:00:38 -08:00
Christopher Ferris
5c40019a92 Clean up UnwindCurrent.cpp's use of ucontext.h. 
Change-Id: I9eff7486b9fe89eac57b5555649b871bc6f1cc77
 2014-01-30 10:37:39 -08:00
Ian Rogers
ddeb7cc164 Avoid redefinition of __STDC_FORMAT_MACROS. 
Change-Id: I5c65ea196bb9a197a74899ceb53543f289f6d494
 2014-01-29 17:53:50 -08:00
Christopher Ferris
cc98fd7eb2 am ab2de415: am 773c9ab7: am c96c2954: am a152ed73: Merge "Fix global pointing to local variable." 
* commit 'ab2de41574d15bac8c3ef8f49cfba493ea501a0a':
  Fix global pointing to local variable.
 2014-01-29 12:49:39 +00:00
Christopher Ferris
96a0bf1e94 am 36a4e408: am aaf89887: am 6fe31b2f: am d391c9b4: Merge "Re-enable libunwind for arm." 
* commit '36a4e4085e55048ee2a78c7d5b50f7395e547fa2':
  Re-enable libunwind for arm.
 2014-01-29 12:19:59 +00:00
Christopher Ferris
2b4ae52a56 Fix global pointing to local variable. 
Change-Id: I933cbb680ca6310c13634f09a9827077c8dbd568
 2014-01-28 22:21:14 -08:00
Christopher Ferris
df2906186b Re-enable libunwind for arm. 
Update to handle the new optimized way that libunwind works.

In addition, a small refactor of the BacktraceMap code.

A few new tests of for good measure.

Change-Id: I2f9b4f5ad5a0dfe907b31febee76e4b9b94fb76f
 2014-01-28 12:03:36 -08:00
Christopher Ferris
56e7335902 am 8d12b4a0: am 4fe48966: am 57c9b95b: am 39baa829: Merge "Get arm64 to compile." 
* commit '8d12b4a0901df4ab708243b4cd36c19ac2002a50':
  Get arm64 to compile.
 2014-01-27 22:23:41 +00:00
Christopher Ferris
edbe3b4b56 Get arm64 to compile. 
Change-Id: Ica021aa134388fe7069a5de5df8036ecf0d570f8
 2014-01-27 10:52:08 -08:00
Colin Cross
892af2303f am 9222d911: am c8518616: am 02f68c4b: am 4800e20e: Merge "system/core: rename aarch64 target to arm64" 
* commit '9222d911a89d30a9b0537e8cdb95401be3a4999e':
  system/core: rename aarch64 target to arm64
 2014-01-24 21:24:52 +00:00
Colin Cross
d4146e6091 system/core: rename aarch64 target to arm64 
Rename aarch64 build targets to arm64.  The gcc toolchain is still
aarch64.

Change-Id: Ia92d8a50824e5329cf00fd6f4f92eae112b7f3a3
 2014-01-23 18:01:14 -08:00
Christopher Ferris
10c51a3875 am f95d880f: am 884116c8: am 719b0198: am 1db584b8: Merge "Attempt to fix Mac build" 
* commit 'f95d880fe7e9a8860038a5c8391b89cfbeb0ce76':
  Attempt to fix Mac build
 2014-01-18 23:56:34 +00:00
Brian Carlstrom
db5911a08a Attempt to fix Mac build 
Change-Id: I1364255bfed7788a35531962508bad804b8d5b7f
 2014-01-18 13:55:54 -08:00
Christopher Ferris
6c625f6717 resolved conflicts for merge of 47fa9064 to master 
Change-Id: I53fb8ff2dfbefe6246385e624c5c3525cc6f4253
 2014-01-17 11:56:04 -08:00
Christopher Ferris
46756821c4 Rewrite libbacktrace to be all C++. 
This includes removing the map_info.c source and replacing it with the
BacktraceMap class to handle all map related code.

Change all callers of libbacktrace map functionality.

Also modify the corkscrew thread code so that it doesn't need to build
the map twice (once in the corkscrew format and once in the libbacktrace
format).

Change-Id: I32865a39f83a3dd6f958fc03c2759ba47d12382e
 2014-01-16 16:12:29 -08:00
Elliott Hughes
ef53917406 am 7dee721e: am 42e82f80: am 4a8996fb: am 3352c503: Merge "Copy the bionic -fstack-protector hack into libbacktrace." 
* commit '7dee721eb3387fff695e5b5a3480428bccb3cf70':
  Copy the bionic -fstack-protector hack into libbacktrace.
 2014-01-15 01:00:47 +00:00
Elliott Hughes
1380ddcab2 Copy the bionic -fstack-protector hack into libbacktrace. 
aarch64 doesn't support -fstack-protector yet.

Change-Id: Id1e589742ba074f59d3390d059248c9b371aff58
 2014-01-14 16:44:31 -08:00
Christopher Ferris
475377b68a am 117e93a7: am 2c3b9a44: am d9cb2964: am 91e2019f: Merge "Create a bare bones host libbacktrace on mac." 
* commit '117e93a7208d028ccbc444aad8bd5ad250459c67':
  Create a bare bones host libbacktrace on mac.
 2014-01-14 18:13:24 +00:00
Christopher Ferris
f67c6410d1 Create a bare bones host libbacktrace on mac. 
This allows the libbacktrace library to compile for host on mac.

Bug: 12474939
Change-Id: I32cbcf996e6fe9057e5065ba21f89086343704a0
 2014-01-13 23:57:35 -08:00
Christopher Ferris
4167d7e5c2 resolved conflicts for merge of 8791ee5c to master 
Change-Id: I107bb055941809331c451c1d903f231f07a86ece
 2014-01-13 18:14:11 -08:00
Christopher Ferris
20303f856f Next phase of the move, reformat use C++ features. 
Use the libbacktrace C++ interface instead of the C interface in debuggerd.

Reformat the debuggerd code to be closer to Google C++ style.

Fix all debuggerd casts to be C++ casts.

Add a frame number to the frame data structure for ease of formatting and
add another FormatFrameData function.

Change the format_test to use the new FormatFrameData function.

Modify all of the backtrace_test to use the C++ interface.

Change-Id: I10e1610861acf7f4a3ad53276b74971cfbfda464
 2014-01-13 14:21:52 -08:00
Christopher Ferris
bc12d6329e Move BACKTRACE_NO_TID to BACKTRACE_CURRENT_THREAD. 
Use a bit better name for this. The other name was a bit confusing.

Change-Id: I1261f2ee3854a9c8b82133ad0bfbbbe48b43c9ac

(cherry picked from commit 242b1a8c7a)

Conflicts:
	libbacktrace/Backtrace.cpp
 2014-01-09 15:49:39 -08:00
Christopher Ferris
a74ead0fd6 resolved conflicts for merge of 72f204de to master 
Change-Id: I7345014d00c669aea5e27ea50b2ac658145b068b
 2014-01-08 16:20:50 -08:00
Christopher Ferris
9846497f79 Refactor to share map_info amongst threads. 
Allow the use of the same map info to be shared when getting information on
multiple threads from the same pid.

Change-Id: I2e460e20154a10f4894ae563331fb32179e4551f
 2014-01-08 15:32:28 -08:00
Christopher Ferris
ae998c7117 am 0298da56: am 492b0ca4: am 1e424d8e: am 0afaf7f4: Merge "Fix the ucontext for mips/x86." 
* commit '0298da56f410ba0f6a1f1f44deb8e2224f9fc49d':
  Fix the ucontext for mips/x86.
 2014-01-07 23:53:18 +00:00
Christopher Ferris
ddc4f093f7 Fix the ucontext for mips/x86. 
Remove the mips ucontext definition, there is no need for it any more.

Fix the mips/x86 ucontext copy code to copy the entire uc_mcontext data
across.

Fix a potential memory leak too.

Change-Id: I4272022da5281ed881e2d59a3e19e7f33c01aceb
 2014-01-07 14:36:03 -08:00
Elliott Hughes
d0dfd00270 am 3e30f6af: am 090928b1: am a345b253: am dfc48139: Merge "Switch ARM back to libcorkscrew temporarily." 
* commit '3e30f6afa042f3bba4822dc5d1ef267ed4b9d722':
  Switch ARM back to libcorkscrew temporarily.
 2014-01-02 23:39:38 +00:00
Elliott Hughes
3c67fe9039 Switch ARM back to libcorkscrew temporarily. 
We're seeing major stack trace generation performance
regression and want to find out whether it's libunwind.

Bug: 12181612
Change-Id: I3866ea956859f5cbdfe4f1ee6f20a2b6d39962c4
 2014-01-02 15:25:21 -08:00
Christopher Ferris
242b1a8c7a Move BACKTRACE_NO_TID to BACKTRACE_CURRENT_THREAD. 
Use a bit better name for this. The other name was a bit confusing.

Change-Id: I1261f2ee3854a9c8b82133ad0bfbbbe48b43c9ac
 2013-11-12 12:14:51 -08:00
Christopher Ferris
e70f95f349 am 90e67bcd: am d36bfc30: am e6279294: Merge "Revert "Revert enabling libunwind."" 
* commit '90e67bcdc383d552dc5325039c86b5bef5429b05':
  Revert "Revert enabling libunwind."
 2013-11-07 21:30:34 -08:00
Christopher Ferris
e6feaeeda1 Revert "Revert enabling libunwind." 
This reverts commit db2309e3d1.

Change-Id: I1626442f029473066ce20921667a406f1a1ea865
 2013-11-08 02:59:52 +00:00
Elliott Hughes
d283d93489 am 8ddd08b1: am 4ae94541: am 62ea993a: Merge "Revert enabling libunwind." 
* commit '8ddd08b1f24d361ace9cd78198664db4bf7e1325':
  Revert enabling libunwind.
 2013-11-07 09:44:32 -08:00
Christopher Ferris
3c8b229f60 am c3920dee: am 11d04d04: am 351b0123: Merge "Enable libunwind on arm platforms." 
* commit 'c3920dee104856025f9416670efd7f05d1acd3a0':
  Enable libunwind on arm platforms.
 2013-11-07 09:01:24 -08:00
Christopher Ferris
db2309e3d1 Revert enabling libunwind. 
It appears that some branches might not have libunwind set up properly.

Change-Id: Ia72889e115bc2791c7a9e67563c5f4a62197cafd
 2013-11-07 08:12:10 -08:00
Christopher Ferris
22f91cb3a1 Enable libunwind on arm platforms. 
Bug: 8410085
Change-Id: I8a645ec0e04b38fc186bbc0f0cc597e31b05cc55
 2013-11-06 15:40:23 -08:00
Christopher Ferris
62a70df064 am dee1842d: am adbb3352: am a2d1469c: Merge "Use new defines in test code." 
* commit 'dee1842d2f6861dd4cb2d622992ec2c75f19ab3e':
  Use new defines in test code.
 2013-11-05 14:22:25 -08:00
Christopher Ferris
0186edee58 am 2e47c8ac: am 1e1bae1b: am c2945850: Merge "Add some clarifying defines." 
* commit '2e47c8ac74e070d62cfb46355c7c04797657c594':
  Add some clarifying defines.
 2013-11-05 14:22:20 -08:00
Christopher Ferris
d709ad3da0 am 4ddea7f4: am d5a7c371: am 408b3acf: Merge "Add corkscrew support for finding static symbols." 
* commit '4ddea7f44c6362e7c34939302729e4508aa665c5':
  Add corkscrew support for finding static symbols.
 2013-11-05 13:00:47 -08:00
Christopher Ferris
7f081ec079 Use new defines in test code. 
In addition, fix up the warnings and remove the -fpermissive when
compiling.

Change-Id: Ia27b902499b34ff3d881acb9057120af390baf2c
 2013-11-05 12:13:05 -08:00
Christopher Ferris
cbfc7302fb Add some clarifying defines. 
In order to be explicit in the Backtrace::Create() calls, adding a couple
of defines and some comments to describe what they mean.

Change-Id: I6ad08c529791821496a95fa33cea1c95b0a7eada
 2013-11-05 11:05:32 -08:00
Christopher Ferris
923b536920 Add corkscrew support for finding static symbols. 
Change-Id: Ie557a9b0efadece75e1accaa7e214fb559eb19e1
 2013-11-04 14:50:36 -08:00
Christopher Ferris
74160cb775 am 6b7b6541: am b5c24e09: am 8c58086c: Merge "More libbacktrace fixes." 
* commit '6b7b65417aead0189681c12d9162f31e8bc9b3e5':
  More libbacktrace fixes.
 2013-10-30 14:33:32 -07:00
Christopher Ferris
8ed46278be More libbacktrace fixes. 
Included in minor fix ups is the addition of a warning macro to replace
all of the ALOGW calls.

Fix a race where multiple threads could be attempting to unwind the threads
of the current process at the same time.

Bug: 8410085

Change-Id: I02a65dc778dde690e5f95fc8ff069a32d0832fd1
 2013-10-30 14:14:54 -07:00
Christopher Ferris
6996f91809 resolved conflicts for merge of 0433d622 to master 
Change-Id: I6799c3fe8900ddcb2e9fe3032793dbb0996cf177
 2013-10-29 13:56:52 -07:00
Christopher Ferris
17e91d44ed Rewrite libbacktrace using C++. 
The old code was essentially trying to be C++ in C and was awkward. This
change makes it all objects with a thin layer that C code can use.

There is a C++ backtrace object that is not very useful, this code will
replace it.

This change also includes moving the backtrace test to a gtest, and adding
coverage of all major functionality.

Bug: 8410085
Change-Id: Iae0f1b09b3dd60395f71ed66010c1ea5cdd37841
 2013-10-28 17:55:25 -07:00
Christopher Ferris
4aef2e911e am 7bdb7b42: am 81890fd8: am 5daba1e0: Merge "Only build host library on linux-x86." 
* commit '7bdb7b42224c6139c400eb47a5e9b660184aad54':
  Only build host library on linux-x86.
 2013-10-02 14:34:43 -07:00
Christopher Ferris
9e1ee2b3c6 Only build host library on linux-x86. 
Change-Id: I26d5bd4b34c3669897fea1488fa58972f4299757
 2013-10-02 14:19:19 -07:00
Christopher Ferris
6d22960759 Move cutils/log.h to log/log.h. 
The log.h file moved, so clean up these references to the old
location.

Change-Id: I25494ea069bfb20fa07a02e67868c8be82e60161
 2013-10-01 23:46:23 -07:00
Christopher Ferris
a16a4e10e1 Fix problems in libbacktrace. 
- Add a wait for stop to backtrace_test. There is a possible race
  condition that is exposed when using libunwind.
- Fix a few calls to unwind function calls.

Bug: 8410085
Change-Id: I7487d687f6d4b7b05b8a96ad1c5f7183681e5c95
 2013-10-01 18:08:03 -07:00
Christopher Ferris
7fb22878d4 Create a single backtrace library. 
This library will be used to abstract away getting backtrace
data from how it is implemented. This is the first step to
replacing libcorkscrew with libunwind.

Bug: 8410085
Change-Id: Ie8f159e96a055d378e1ddc72d40239fba4cf52b7
 2013-09-28 12:26:35 -07:00