Commit Graph

15 Commits

Author SHA1 Message Date
Alessandro Arzilli
d8bb8ed5bf proc/variables: fill Len field of maps when recursion limit is reached (#834)
If we don't fill the Len field there will be no way for the user to
distinguish maps we didn't load from empty maps.
2017-05-30 14:26:10 -07:00
Alessandro Arzilli
cf84483672 proc/variables: bugfix: parsing of maps with zero sized value type (#851)
Buckets of maps with zero sized value types (i.e. map[T]struct{}) have
zero length value arrays.
2017-05-26 11:36:28 -07:00
aarzilli
40b482130a proc/variables: protect form invalid G struct in parseG
A waitreason string that has invalid length (because the G struct is
corrupted or being modified) could cause a crash.
2017-05-25 21:04:09 +02:00
Alessandro Arzilli
5390801904 pkg/proc: remove unused types (#850)
type M struct was never used (as far as I know).
type VariableEval interface was used for a brief period of time during
the refactoring, now both its methods are functions.
2017-05-24 11:27:26 -07:00
Alessandro Arzilli
354055836a proc: next, stepout should work on recursive goroutines (#831)
Before this commit our temp breakpoints only checked that we would stay
on the same goroutine.
However this isn't enough for recursive functions we must check that we
stay on the same goroutine AND on the same stack frame (or, in the case
of the StepOut breakpoint, the previous stack frame).

This commit:
1. adds a new synthetic variable runtime.frameoff that returns the
   offset of the current frame from the base of the call stack.
   This is similar to runtime.curg
2. Changes the condition used for breakpoints on the lines of the
   current function to check that runtime.frameoff hasn't changed.
3. Changes the condition used for breakpoints on the return address to
   check that runtime.frameoff corresponds to the previous frame in the
   stack.
4. All other temporary breakpoints (the step-into breakpoints and defer
   breakpoints) remain unchanged.

Fixes #828
2017-05-16 11:23:33 -07:00
Alessandro Arzilli
d9bd90d7e4 Pull Request #731 but with tests (#802)
* proc/eval: fix length calculation for string concatenation

* proc/variable: find package variables when the package has a path
2017-04-25 10:42:41 -07:00
aarzilli
b6fe5aebaf proc: refactoring: merge target into proc
- moved target.Interface into proc as proc.Process
- rename proc.IThread to proc.Thread
- replaced interfaces DisassembleInfo, Continuable and
  EvalScopeConvertible with Process.
- removed superfluous Gdbserver prefix from types in the gdbserial
  backend.
- removed superfluous Core prefix from types in the core backend.
2017-04-21 14:00:04 -07:00
aarzilli
15bac71979 proc: refactoring: split backends to separate packages
- move native backend to pkg/proc/native
- move gdbserver backend to pkg/proc/gdbserial
- move core dumps backend to pkg/proc/core
2017-04-21 14:00:04 -07:00
aarzilli
182f805094 proc: Use MemoryReader inside memoryReadWriter 2017-04-18 13:25:11 -07:00
aarzilli
510b7db2a7 proc: introduce IThread interface to abstract threads 2017-04-18 13:25:11 -07:00
Alessandro Arzilli
b5a06f7aa8 proc refactoring: make stack, disassemble and eval independent of proc.Process (#786)
* proc: Refactor stackIterator to use memoryReadWriter and BinaryInfo

* proc: refactor EvalScope to use memoryReadWriter and BinaryInfo

* proc: refactor Disassemble to use memoryReadWriter and BinaryInfo
2017-04-13 16:19:57 -07:00
Alessandro Arzilli
436a3c2149 proc refactor: split out BinaryInfo implementation (#745)
* proc: refactor BinaryInfo part of proc.Process to own type

The data structures and associated code used by proc.Process
to implement target.BinaryInfo will also be useful to support a
backend for examining core dumps, split this part of proc.Process
to a different type.

* proc: compile support for all executable formats unconditionally

So far we only compiled in support for loading the executable format
supported by the host operating system.
Once support for core files is introduced it is however useful to
support loading in all executable formats, there is no reason why it
shouldn't be possible to examine a linux coredump on windows, or
viceversa.

* proc: bugfix: do not resume threads on detach if killing

* Replace BinaryInfo interface with BinInfo() method returning proc.BinaryInfo
2017-04-06 11:14:01 -07:00
dr2chase
bd48358de3 pkg/proc: tolerate absence of stack barriers in Go 1.9 (#762)
Stack barriers were removed in Go 1.9, and thus code that
expected various stack-barrier-related symbols to exist
does not find them.  Check for their absence and do not
crash when they are missing.  Disable stack-barrier-handling
test for 1.9 and beyond.

Fixes #754.
2017-03-13 10:53:16 -07:00
Alessandro Arzilli
fc0d40144a proc/variables: fix infinite recursion with pointer loop (#725)
loadValue didn't react correctly to pointer loops going through
slice -> interface{} -> slice or pointer -> interface{} -> pointer.
2017-02-09 16:26:38 -08:00
Derek Parker
53f0d24057 Move top-level packages into pkg 2017-02-08 12:17:19 -08:00