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230 Commits

Author SHA1 Message Date
Derek Parker
aa4f08e18f check tgkill error 2014-11-21 17:01:14 -06:00
Derek Parker
fe24276b15 Use correct tgid for kill in timeoutWait 2014-11-21 15:44:08 -06:00
Derek Parker
6fd1fbabad Cleanup trapWait, include TODO for timeoutWait fix 2014-11-20 17:15:42 -06:00
Michael Gehring
6d32a94cd7 Set stderr on launched processes 2014-11-14 13:52:21 -06:00
Derek Parker
29d0cd0bde Cleanup ignored waitstatus 2014-11-13 19:08:20 -06:00
Michael Gehring
425117a3d6 Stop target process immediately after execve. 2014-11-13 18:52:13 -06:00
Derek Parker
03b5e30bfb Seek reader for finding goroutine info 2014-11-13 08:36:20 -06:00
Michael Gehring
2f91684e7a Don't panic in threads if there is no info for pc 2014-11-12 17:28:28 -06:00
Derek Parker
dcf9f04d45 Improve variable evaluation scope 
Properly scope variable evaluation to the function the traced process is
currently stopped in.
 2014-11-10 21:26:13 -06:00
Derek Parker
505ae44828 cleanup 2014-11-10 07:04:05 -06:00
Derek Parker
cb5785324d Acknowledge runtime.breakpoint 2014-11-09 18:25:42 -06:00
Derek Parker
7d69c16512 Add command to print all goroutines info 2014-11-09 12:56:21 -06:00
Derek Parker
d2ebf4dc83 Add some documentation 2014-11-08 07:30:22 -06:00
Derek Parker
665ff49181 Add command to print every thread status 2014-11-07 23:55:25 -06:00
Derek Parker
6b2ee09163 Improve overall thread coordination 2014-11-07 23:45:54 -06:00
Derek Parker
4483b17bd6 Synchronize threads better when breakpoint is hit 2014-11-02 12:49:21 -06:00
Derek Parker
f26839d078 Refactor: cleanup path through addThread 2014-10-27 18:10:45 -05:00
Derek Parker
256b386136 Cleanup AttachThread 2014-10-27 17:55:55 -05:00
Derek Parker
f280ba2a3b minor syntax cleanup 2014-10-27 17:50:47 -05:00
Derek Parker
54788de89b remove silly function 2014-10-27 17:50:19 -05:00
Derek Parker
27a042eab5 cleanup wait function 2014-10-27 17:47:43 -05:00
Derek Parker
d30a104177 cleanup extra newline 2014-10-27 07:33:19 -05:00
Derek Parker
f1ceba0909 Support 32 bit floats 2014-10-26 12:44:26 -05:00
Derek Parker
6af32b40e6 cleanup go vet errors 2014-10-25 12:44:35 -05:00
Derek Parker
0a12910bc2 Remove unused function 2014-10-25 12:44:35 -05:00
Derek Parker
053c5535ba Small code cleanup 2014-10-25 12:26:02 -05:00
Derek Parker
7a2362310e Update documentation 2014-10-25 11:13:02 -05:00
Derek Parker
a3700a4407 Improve support for int variable evaluation 2014-10-25 11:07:12 -05:00
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
6b80a726af Remove DWARF .debug_line parser / util funcs 2014-10-15 08:31:01 -05:00
Derek Parker
fa0092ac74 Rename helper dir 2014-10-14 09:53:10 -05:00
Derek Parker
1760022895 Refactor Next implementation 2014-10-14 09:52:16 -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
be7f34ee0c Cleanup: Return err directly if cannot set breakpoint 2014-10-13 08:56:42 -05:00
Derek Parker
248766300d Remove silly function 2014-10-13 08:27:25 -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
09e352bdf7 Refactor: Move Cover method to FDE 2014-10-11 00:52:05 -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
5da86a3e31 cleanup 2014-10-09 17:15:10 -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
2231c0e7f3 Add reminder for "Next" optimization 2014-10-07 10:33:13 -05:00
Derek Parker
6363ce106a Add comments for PC reset code 2014-10-07 07:58:21 -05:00
Derek Parker
5c301dd9b1 Improve 'in current fn' check for Next impl 2014-10-07 07:57:11 -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
a712a86074 cleanup formatting 2014-09-30 08:49:30 -05:00
Derek Parker
fad8104160 Reorganize code a bit 2014-09-25 17:20:09 -05:00
Derek Parker
b88d73c6f6 Remove dwarf info text file 2014-09-22 18:34:52 -05:00
Derek Parker
342af24117 Remove superous binary 2014-09-22 18:34:16 -05:00
Derek Parker
ea087ba1b1 Modify fixture prog 2014-09-19 19:58:16 -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
26b9878513 Remove superfluous break in Next implementation 2014-09-05 16:16:55 -05:00
Derek Parker
50951ba257 Do not export nextPotentialLocations 2014-09-05 14:52:45 -05:00
Derek Parker
6aec8333eb Move things around because aesthetics 2014-09-05 14:38:43 -05:00
Derek Parker
f5df7ea14d Fix: error should not use nil val 2014-09-05 14:20:12 -05:00
Derek Parker
39569a14ac Refactor Next implementation 2014-09-05 14:19:03 -05:00
Derek Parker
232d3d7446 Prefer "new" for initialization 2014-09-01 10:39:04 -05:00
Derek Parker
9b415c7546 Remove test binaries 2014-08-27 17:56:23 -05:00
Derek Parker
a847f4fd9d Don't rely on process.Wait(), instead use syscall 2014-08-27 17:47:04 -05:00
Derek Parker
fe79437656 Organize types / methods a bit 2014-08-15 15:43:14 -05:00
Derek Parker
0e11797f8b Reduce nesting 2014-08-14 18:00:48 -05:00
Derek Parker
54e15f9d06 Don't assume availability of .gosymtab / .gopclntab 2014-08-07 17:57:58 -05:00
Derek Parker
0af47b64ce Use external red/black tree package 2014-08-07 11:03:42 -05:00
Derek Parker
d977810626 Parallelize initial parsing operations 2014-08-06 11:14:23 -05:00
Derek Parker
d676be1810 Use t.StructName for switch param 2014-08-06 09:50:15 -05:00
Derek Parker
c22b6a8aea Remove leftover printf 2014-08-05 19:02:44 -05:00
Derek Parker
c59f19cfb2 Refactor: Implement red/black tree for FDE lookup 2014-08-05 10:54:21 -05:00
Derek Parker
6dd5098a0c Add support for evaluating int slice 2014-08-04 15:41:09 -05:00
Derek Parker
21025b2fc6 Implement basic array evaling 2014-08-04 15:21:35 -05:00
Derek Parker
f8abe30aa7 Read string type from memory 2014-08-04 13:53:15 -05:00
Derek Parker
a22d563252 Refactor: split read* into seperate functions 2014-08-04 13:25:00 -05:00
Derek Parker
2b83a1f3ca Implement reading of float64 value 2014-08-04 13:20:20 -05:00
Derek Parker
3993cfe148 Implement basic int value expressions 2014-08-01 16:34:49 -05:00
Derek Parker
cba9ac206d Enable next to clean up after itself 2014-07-21 18:20:16 -05:00
Derek Parker
f7e36b3c46 Improve documentation of LoadInformation() 2014-07-16 20:16:49 -05:00
Derek Parker
dcb707001b Add line between functions 2014-07-16 20:13:01 -05:00
Derek Parker
f30046921b Remove superfluous documentation 2014-07-16 20:12:10 -05:00
Derek Parker
e8ffa31bd7 Small refactor, only arithmetic once 2014-07-11 15:32:26 -05:00
Derek Parker
07fec48272 Further improve next command 
* Fixes incorrect loop `next`ing behaviour
* Includes fix for determining return address
 2014-07-11 14:52:55 -05:00
Derek Parker
3566fd5237 Improve next implementation 
Improvements:
* `next`ing through a loop works correctly (when not already within a loop)
* `next`ing out of a function works correctly

Needs work:
* `next`ing in a loop can be improved when starting within a loop
 2014-07-10 18:07:39 -05:00
Derek Parker
a788e03c7b Implement initial next implementation 
This current implementation does not cover the following:

* Setting correct breakpoint when exiting loop
* Setting correct breakpoint when returning from function
    * All facilities are available for this, it just is not taken into
      account in the current `next` implementation.
 2014-07-07 08:26:36 -05:00
Derek Parker
7e8d7c565a Fix typo 2014-06-26 22:43:30 -05:00
Derek Parker
1f171beae0 Factor out test helpers 2014-06-25 14:06:04 -05:00
Derek Parker
948f83a140 Ensure we lock OS thread in test 2014-06-09 14:56:10 -05:00
Derek Parker
d36297687a Underscore fixtures dir to ignore during test run 2014-06-09 10:55:18 -05:00
Derek Parker
6abfc19147 Refactor: Introduce fn to launch proc and run test 2014-05-30 10:12:18 -05:00
Derek Parker
f6792c37f5 Refactor: Use helper function for obtaining regs 2014-05-30 10:12:18 -05:00
Derek Parker
45b399e596 Restore breakpoint in defer function 2014-05-29 11:18:28 -05:00
Derek Parker
a47d851756 Prefer SetPC 2014-05-29 10:27:03 -05:00
Derek Parker
f570a84539 Inline PtracePokeData 2014-05-29 10:26:42 -05:00
Derek Parker
4fe0978e4b Fix typo 2014-05-29 10:23:37 -05:00
Derek Parker
fb904cc1aa Fix bug in stepping after hitting BP 2014-05-29 09:36:48 -05:00
Derek Parker
bf0d67a9e0 Ensure test program is killed after spec 2014-05-28 18:14:26 -05:00
Derek Parker
7dc93a4083 Fix: string formatting bug in Clear() 2014-05-28 17:47:29 -05:00
Derek Parker
f66a2023a8 Use single byte to store INT3 2014-05-28 15:58:12 -05:00
Derek Parker
c3bac38ba1 Pass addr to Break() and Clear() 2014-05-27 18:15:18 -05:00
Derek Parker
3d325da7b0 Prefer delete() builtin 2014-05-27 17:45:51 -05:00
Derek Parker
edbce2dd6b Implement breakpoint clear backend functionality 2014-05-27 13:33:49 -05:00
Derek Parker
7a01a19143 Update documentation 2014-05-27 13:20:10 -05:00
Derek Parker
23dacd8cc7 Fix: reset bp.Addr not PC() 2014-05-27 13:10:35 -05:00
Derek Parker
73ddaa2653 Modify Step() to not print, delegate to command 2014-05-27 11:32:25 -05:00
Derek Parker
0866de0c86 Ensure we can step/continue past breakpoints 2014-05-27 10:43:47 -05:00
Derek Parker
fdda6c5706 Prefer PCToLine 2014-05-27 07:47:22 -05:00
Derek Parker
251abd2c21 Handle attempt to set break on nonexistent func 2014-05-24 11:36:18 -05:00
Derek Parker
03fab9c26e Ensure breakpoint is set only once 2014-05-24 11:22:06 -05:00
Derek Parker
798fdd9de0 Implement backend breakpoint functionality 2014-05-23 19:44:54 -05:00
Derek Parker
f8ab6234c9 Add test around attaching to process 2014-05-23 14:20:04 -05:00
Derek Parker
4df7b998ee Parse go symbol table and print on step 2014-05-23 14:19:38 -05:00
Derek Parker
0d134e8733 Don't export handleResult() 2014-05-21 10:23:45 -05:00
Derek Parker
a67f21fee4 Add documentation 2014-05-21 10:23:14 -05:00
Derek Parker
84f80fd149 Rename Exec() to HandleResult() 2014-05-20 16:39:32 -05:00
Derek Parker
9b27095579 Take error directly in Exec() 2014-05-20 16:38:49 -05:00
Derek Parker
170ae88312 Refactor: Remove duplicate code 2014-05-20 15:15:52 -05:00
Derek Parker
8d67a063f7 Update process state on step 2014-05-20 13:23:36 -05:00
Derek Parker
25783f23d6 Implement Continue() for linux amd64 2014-05-20 13:23:36 -05:00
Derek Parker
ea0ff20e16 Implement linux amd64 step 2014-05-20 13:23:35 -05:00