DSDP/DD/Face-to-face Ottawa 24-Sept-2007

Purpose of this meeting is to have coding workshop for developers using the DSF framework.

Date

Monday September 24 2007, the day before the CDT Fall 2007 Summit I plan to get into office around 8AM and I hope we will start by 9AM.

Hotel

[See CDT Summit Hotel Info]

Location

Wind River Office in Ottawa (Bullwinkle Room)
350 Terry Fox Drive, Suite 200
Kanata, Ontario K2K 2W5
Tel.: 613-270-2240
Map to WindRiver Office

Prerequisites

See prerequisites from the first coding camp at http://wiki.eclipse.org/DSDP/DD/Face-to-face_Alameda_14-18-May-2007#Prerequisites

Agenda and Notes

The agenda could either be focused on continued GDB reference implementation or on more general DSF topics depending on what the attendees would like to have.

• Introductions (1h)
• Coding Excercise: Breakpoints Service (4h)
  • Review existing MIBreakpoints service implementation.
  • Missing functionality that is in CDT UI
    • Breakpoint options: condition, ignore count.
      • Add parameters to the DsfMIBreakInsert object
    • Disabled breakpoints:
      • If a breakpoint is disabled, un-install it from the back end. If it is enabled, install it.
      • Implementation, add BP to internal database even if disabled. After BP changed to enabled, install it in back end.
    • Thread-specific Breakpoints.
      • Create separate target-side breakpoint for each thread with given thread ID (-p option).
      • Need to implement standard debug model and CDT extensions to allow user to specify the thread in the breakpoint properties dialog.
      • Complicates status reporting.
      • Ignore count is tracked separately for every thread.
    • Handling breakpoints changed (enable/disable, line# change, etc.).
      • We're better off ignoring the line# changes.
      • To make the change: uninstall old BP, install new BP.
      • Side effect: hit count is lost across BP changes.
    • Source lookup mapping.
      • Need to implement ISourceLookup service.
    • Deferred breakpoints (shared libraries).
    • Breakpoint (script) actions.
  • Missing functionality (additional).
    • Temporary breakpoints
    • Hardware breakpoints
    • Handling breakpoints added on the back-end side or through the CLI interface.
    • Reporting breakpoint planting status information: address, hit count, etc.
      • Hit count can be polled from GDB on demand.
    • Dealing with BPs moved by the back end.
    • Advanced breakpoint filtering.

• • Pick a feature and implement it.
• Discussion: Refactoring of Data Model Contexts (3h).
  • Relationship between contexts from services that should have no dependencies between each other: IRunControl, IMemory, IModules.
  • Use of generics.
  • Relationship between IDMContext and IDMData.

Attendees

• Pawel Piech, WindRiver
• Marc Khouzam, TSP/Ericsson
• Francois Chouinard, TSP/Ericsson
• Dominique Toupin, PM&T/Ericsson
• Magnus Ohlin, EMP/Ericsson
• Joel Huselius, CPP/Ericsson
• Mikhail Khodjaiants, ARM (tentative)
• Dobrin Alexiev, TI
• Doug Schaefer, QNX