PPT-Debugging Embedded Devices using GDB – Lessons Learned

Mike Anderson Embedded Systems Architect hungjar mailtomandersonptrgmailcom SpeakerAuthor Details About Over 42 years in the embedded systems industry 20 years with embedded Linux Formerly the Chief Scientist at The PTR Group Inc. is the GNU debugger on our CS . machines. . gdb. is most effective when it is debugging a program that has debugging symbols linked in to it. With . gcc. and g++, this is accomplished using the . -g . Introduction to GDB, . Wireshark. . and . Valgrind. CS168 - Debugging Helpsession. GDB: The GNU Debugger. gdb. is an executable file that serves as a portable debugger. Works for Ada, C, C++, Objective-C, Pascal, and others. John Gordon, STFC. WLCG MB meeting September 28. th. 2010. Topics. at . September GDB. OPN Monitoring. APEL. CERNVMFS. Experiments. ’ Operational Issues (. Quarterly. ). Others. Missing a central view of LHCOPN. vs. Testing. Software testing. is any activity aimed at evaluating an attribute or capability of a . program . and determining . whether . it meets its . specified . results. Debugging. is a methodical process of finding and reducing the number of . Presented by: Zhiyong (Ricky) Cheng. Samuel T. King, George W. Dunlap, and Peter M. Chen. University of Michigan. Happy Halloween!. Outline. Background . Introduction. Virtual Machine Model. Time-traveling Virtual Machine. EE312 – Week 03. Necessity of debugging. Codes usually have bugs and it’s hard to get them at the first try. Non-trivial bugs are hard to find by reading code. No need to ask TA “why this weird error happens”. Brian Andrews. . Feedback and Improvement Manager. Consolidated Nuclear Security, LLC . Brian.Andrews@cns.doe.gov. Amanda Crumby. 10/22/2015. 1. Lessons Learned Team . FI&S . . Sharon Chamblee. 1. Auctions (1). Mr X. Agent A. Agent B. Agent C. In person bids. Telephone bids. Online bids.   . . . 3. rd. Party Purchaser. Layering. Integration. Copyright Lessons Learned Ltd 2016. Albert Lee. 2018-11-15. Print people. Put_Line (“IN CONNECT...”);. Put_Line (“ credentials: “ & Image (Credentials));. if Check_Credentials (Session, Credentials) then. Put_Line (“ credentials accepted”);. G. nu . D. e. b. ugger. A command line tool for debugging your code. You can step through the code (line by line). Set breakpoints. Check variables/ values. And lots more …. Basic commands. . gdb. Hugues Leger / . legerhs@mail.uc.edu. 3/1/2019. 1. Intro to GDB debugger. Agenda. Start the debugger. Set the Intel disassembly format. List debugged source code. Dump disassembly code. Set a break point. Ian Bird, MB, 14. th. Feb 2012. Why change?. Clarify roles of GDB to reflect the evolution of the infrastructure and project. Clarify MB . vs. GDB . vs. service coordination . vs. . etc. Roles of GDB. kgdb. GNU Project Debugger. Supports Windows & Linux. USES. Pass anything to the program. Break anywhere within the program. Get Information about crashes. Modify runtime values . Reverse Engineer the Code. Sept 6, 2009. david.kh@gmail.com. Agenda. Techniques for debugging big, modern software:. STL containers and algorithms, Boost (ex: how to see containers). Multi-threaded (ex.: how to follow a thread?).