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76 Commits

Author SHA1 Message Date
Derek Parker
fa9fe1a679 Improve RequestManualStop 2015-04-25 14:25:48 -05:00
Derek Parker
da688b8184 Handle runtime.Breakpoint 2015-04-25 14:13:35 -05:00
Derek Parker
173ee20097 Fix: properly handle random signals 
* Ignore signals we do not care about
* Implement custom fork/exec for Darwin to convert signals to mach
  exceptions
 2015-04-25 13:02:45 -05:00
Derek Parker
6df90f325d Rename CurrentPC -> PC 2015-04-23 10:40:33 -05:00
Derek Parker
58db8322ef Improve chan / goroutine coordination 
* Properly find next source line for goroutines blocked in chanrecv
* Refactor breakpoint clearing
* Refactor temp breakpoint setting
 2015-04-19 17:15:34 -05:00
Derek Parker
20c9e92cec Improve handling of manual stops 2015-04-13 17:17:06 -05:00
Derek Parker
1d99e03f83 Reduce exported members of DebuggedProcess struct 2015-04-03 11:10:35 -05:00
Derek Parker
86e1530524 Improve next implementation 
* Better tracking of current goroutine
* More efficient, eliminates superfluous step syscalls
* Handles concurrency and thread coordination better
 2015-03-31 17:12:45 -05:00
Derek Parker
0ac24abd2d Validate args to thread command 2015-03-26 13:15:35 -05:00
Ivar Gaitan
8b04d877a0 Handle process natural death a bit better 2015-03-06 17:03:08 -06:00
Derek Parker
27f68abebd Fix Linux panic 2015-02-27 22:35:26 -05:00
Derek Parker
7f52928c03 Cleanup of printing and putsing 2015-02-27 15:27:48 -06:00
Derek Parker
2d2d70641e (Mostly) working on OS X 2015-02-27 15:03:06 -06:00
Ivar Gaitan
d9c3488f12 Report caller file:line in assert helper fn 2015-01-23 14:55:24 -06:00
Derek Parker
fbbe9aaa5e Implement usage of hardware breakpoints 
Currently only works for amd64 processors.
 2015-01-12 21:56:25 -06:00
epipho
709347512c Breakpoints now have ids. Consolidated location lookup logic 2015-01-01 08:23:55 -05:00
Derek Parker
9e8ac82104 Minor refactoring / code cleanup 2014-12-28 20:48:58 -06:00
Derek Parker
2d21cad8dc Support Go1.4rc1 2014-12-10 22:31:12 -06:00
Derek Parker
e0738c417c Remove helper file & further isolate linux code 2014-12-09 10:51:17 -06:00
Derek Parker
813340abe6 Remove erroneous stuff from helper package 2014-12-09 10:35:55 -06:00
Derek Parker
64e01bfed1 Begin thread code isolation 2014-12-08 17:40:59 -06:00
Derek Parker
afa3a9cc6c Remove timeoutWait due to improved scheduler handling 2014-11-26 20:45:29 -06:00
Derek Parker
16392ce609 Improve handling of Go runtime scheduler 2014-11-26 20:35:53 -06:00
Derek Parker
8be3ffc774 Refactor: wrap syscall.Wait4 
Wrap syscall.Wait4 and cleanup a few coordination issues.

There are still some issues here where background threads are left
sleeping. This could potentially cause weird issues. There are a few
more things I have planned to cleanup thread coordination issues.
 2014-11-22 18:57:26 -06:00
Derek Parker
6b2ee09163 Improve overall thread coordination 2014-11-07 23:45:54 -06:00
Derek Parker
08aec0d59c Move variable related code to own file 2014-10-25 10:48:14 -05:00
Derek Parker
c625f09a17 Promote breakpoints back up to process 2014-10-25 09:17:05 -05:00
Derek Parker
4c95bf7302 (Mostly) working multithreaded tracing implementation 
Areas that need improving:

* Code cleanup
* Promote breakpoints back out of thread context
* Fix potential bug in "Next" implementation, when thread contexts
  switch
 2014-10-25 08:59:22 -05:00
Derek Parker
099efeeb9d Allow evaluation of function params 2014-10-17 14:14:55 -05:00
Derek Parker
5331dad93d Rename project 2014-10-15 09:28:22 -05:00
Derek Parker
fa0092ac74 Rename helper dir 2014-10-14 09:53:10 -05:00
Derek Parker
58c1f54578 Improve Next implementation 
Fix bug involving detecting whether or not we have stepped into another
function when we plan on return from the function we are currently in.
 2014-10-13 19:04:38 -05:00
Derek Parker
dc8c9cc2a4 Optimize Next implementation 
Once the program detects that we have stepped into another function,
we simply calculate the return address and then set a breakpoint and
continue to that location, avoiding numerous syscalls.
 2014-10-13 08:24:59 -05:00
Derek Parker
dfacf0770d Fix wrong location bug for Next impl 2014-10-10 21:00:07 -05:00
Derek Parker
8457f5c7df Cleanup test 2014-10-10 13:52:13 -05:00
Derek Parker
6a71009954 Fix Next impl 
Needs some refactoring and some optimization, but fixes several bugs.
 2014-10-09 14:19:10 -05:00
Derek Parker
10a1447ae1 Implement support for pointers to structs 2014-10-07 16:22:26 -05:00
Derek Parker
f0e0d0b8fd Implement support for struct evaluation 2014-10-07 14:32:22 -05:00
Derek Parker
6562b2e531 Do not os.Exit(0) in test 2014-10-07 14:03:44 -05:00
Derek Parker
c9cbaea291 Optimize Next implementation 
Now that I'm using the step strategy, I put in an optimization where if
stepping into another function, simply find the return address, put a
breakpoint there, and then continue.
 2014-10-07 13:57:03 -05:00
Derek Parker
a69c2dc994 Cleanup test 2014-10-05 10:53:13 -05:00
Derek Parker
2ce7352aa4 Simplify temp breakpoint cleanup 2014-10-04 18:13:20 -05:00
Derek Parker
f8a65c41c5 Improve next impl -- needs refactoring 2014-10-04 00:52:40 -05:00
Derek Parker
e83e39b158 Fix potential suite hang 2014-09-19 16:01:39 -05:00
Derek Parker
8ee9525f47 Ensure temp breakpoints are cleared after next 2014-09-18 22:28:21 -05:00
Derek Parker
f1e5a70a4b Update for Go 1.3.1 
I decided to vendor all debug/dwarf and debug/elf files so that the
project can be go get-table. All changes that I am waiting to land in Go
1.4 are now captured in /vendor/debug/*.
 2014-09-13 12:28:46 -05:00
Derek Parker
aefbd8f35a Use consistent fatal test messages 2014-09-06 18:56:25 -05:00
Derek Parker
42c98577d8 Use test assertion helper 2014-09-06 18:53:22 -05:00
Derek Parker
a847f4fd9d Don't rely on process.Wait(), instead use syscall 2014-08-27 17:47:04 -05:00
Derek Parker
6dd5098a0c Add support for evaluating int slice 2014-08-04 15:41:09 -05:00