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51 Commits

Author SHA1 Message Date
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
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
c60f3aafde Refactor: Remove addrrange type 2014-10-11 01:05:27 -05:00
Derek Parker
09e352bdf7 Refactor: Move Cover method to FDE 2014-10-11 00:52:05 -05:00
Derek Parker
24b4c42ed9 cleanup failure message 2014-10-10 15:53:30 -05:00
Derek Parker
5d62780ec3 cleanup file names 2014-10-10 15:49:20 -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
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
f8a65c41c5 Improve next impl -- needs refactoring 2014-10-04 00:52:40 -05:00
Derek Parker
04c5f785f9 Remove unused test helper funcs 2014-09-19 16:44:20 -05:00
Derek Parker
eae4e99f78 Cleanup dwarf/frame tests 2014-09-18 23:00:41 -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
6ae71169ed Update return address offset finder for laster go version 2014-09-12 15:59:29 -05:00
Derek Parker
9c298036b9 Rebuild binaries for every test 2014-09-12 15:19:36 -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
631c8d902d Remove dead test 2014-08-07 11:04:07 -05:00
Derek Parker
0af47b64ce Use external red/black tree package 2014-08-07 11:03:42 -05:00
Derek Parker
950556ea49 Fix typo in error message 2014-08-05 19:02:44 -05:00
Derek Parker
2ed77e542c Refactor: Simplify frame parser 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
3993cfe148 Implement basic int value expressions 2014-08-01 16:34:49 -05:00
Derek Parker
319f6d2e20 Remove dwarf hack because Go fixed bug 2014-08-01 16:34:27 -05:00
Derek Parker
235619de3a Use stored return addr reg instead of constant 2014-07-29 17:34:53 -05:00
Derek Parker
cba9ac206d Enable next to clean up after itself 2014-07-21 18:20:16 -05:00
Derek Parker
6b64296bca Improve .debug_line parser performance 2014-07-14 21:41:15 -05:00
Derek Parker
c546ea2ef7 Reduce running time / allocations of frame parser 2014-07-14 13:30:04 -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
ea335b3d7e Refactor frame API 2014-06-29 11:52:30 -05:00
Derek Parker
38bfdaf47c Implement initial support for stack unwinding. 
Implement basic api for figuring out, given a current PC value, where
the function will return. Currently the API provides only a way to
determine the offset from SP (the Canonical Frame Address). It is left
up to the caller to grab the actual address from the traced program.
 2014-06-25 14:14:29 -05:00
Derek Parker
1b74a18814 InitialLocation / AddressRange should be uintptr 2014-06-10 18:20:21 -05:00
Derek Parker
f76ac8c32b Fix: Use file path passed into test func 2014-06-10 13:25:08 -05:00
Derek Parker
74bbd00dbd Rename files 2014-06-09 21:11:55 -05:00
Derek Parker
0a3b410650 FIX: Parse data alignment factor as SLEB128 2014-06-09 17:24:48 -05:00
Derek Parker
012c6e8c70 Implement decoding of SLEB128 numbers 2014-06-09 17:23:15 -05:00
Derek Parker
8fb5e164b3 Update test progs for go13 2014-06-09 13:28:06 -05:00
Derek Parker
d36297687a Underscore fixtures dir to ignore during test run 2014-06-09 10:55:18 -05:00
Derek Parker
d08710180d Improve docs for decodeULEB128 2014-06-06 19:25:07 -05:00
Derek Parker
4970c86ebd Rename reader -> buf 2014-06-06 19:24:32 -05:00
Derek Parker
07fe148df5 Don't export ULEB128 decode func 2014-06-06 19:23:09 -05:00
Derek Parker
a2d0e29f33 Store Entry and Frame in context 2014-06-06 19:04:15 -05:00
Derek Parker
1f4580cd21 Fix: burn bytes for CIE pointer 
Also change function sig to be shorter
 2014-06-06 16:05:26 -05:00
Derek Parker
28694f54a1 Fix type 2014-06-06 15:28:47 -05:00