Add a CFIFrameInfo class (named for symmetry with WindowsFrameInfo) to
represent the set of STACK CFI rules in effect at a given instruction,
and apply them to a set of register values. Provide a SimpleCFIWalker
class template, to allow the essential CFI code to be shared amongst
the different architectures.
Teach BasicSourceLineResolver to partially parse 'STACK CFI' records,
and produce the set of rules in effect at a given instruction on
demand, by combining the initial rule set and the appropriate rule
deltas in a CFIFrameInfo object.
Adapt StackwalkerX86 and StackFrameX86 to retrieve, store, and apply
CFI stack walking information.
Add validity flags for all the general-purpose registers to
StackFrameX86::ContextValidity.
a=jimblandy, r=mmentovai
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@549 4c0a9323-5329-0410-9bdc-e9ce6186880e
- The dumped symbol format now begins with a MODULE line identifying the
uuid, age, and name of the source pdb file.
- The processor ignores MODULE lines, but they are useful in figuring out
how to index symbol files in a symbol store.
- dump_syms and symupload now both accept either a pdb or exe/dll and
will read the pdb regardless.
- Figured out that MSSS always represents a module's age in pathnames in
hexadecimal, and updated SimpleSymbolSupplier to match.
http://groups.google.com/group/airbag-dev/browse_thread/thread/572108d6567edd58
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@59 4c0a9323-5329-0410-9bdc-e9ce6186880e
- PDBSourceLineWriter (dump_syms) outputs stack frame debugging information
- SourceLineResolver reads the new information and puts it into a
new StackFrameInfo structure, which is stored in a ContainedRangeMap.
FillSourceLineInfo passes the StackFrameInfo back to the caller.
- The base Stackwalker makes StackFrameInfo data available to subclasses
during stackwalking, but does not use this information directly itself.
Stackwalkers may access stack_frame_info_ for enhanced stackwalking
(this will be part 4).
- New test data for the updated dumped-symbol format
http://groups.google.com/group/airbag-dev/browse_thread/thread/735f191c9a1a1de4
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@38 4c0a9323-5329-0410-9bdc-e9ce6186880e
- Eliminate MemAddrMap from source_line_resolver.cc and adapt it to use
RangeMap, also used by minidump.cc.
- RangeMap operates on both a base address and a size, where MemAddrMap
only used a base address, so the dumped symbol file format is modified
to include size information. dump_syms produces these files and
SourceLineResolver consumes them.
- Provide updated test data conforming to the new dumped symbol format.
http://groups.google.com/group/airbag-dev/browse_thread/thread/e9403cf3ad6336a1
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@21 4c0a9323-5329-0410-9bdc-e9ce6186880e
