Debugging with GDB (February 2008)
Table Of Contents
- Summary of GDB
- A Sample GDB Session
- Getting In and Out of GDB
- GDB Commands
- Running Programs Under GDB
- Stopping and Continuing
- Examining the Stack
- Examining Source Files
- Examining Data
- Using GDB with Different Languages
- Examining the Symbol Table
- Altering Execution
- GDB Files
- Specifying a Debugging Target
- HP-UX Configuration-Specific Information
- Summary of HP Enhancements to GDB
- HP-UX dependencies
- Supported Platforms and Modes
- HP-UX targets
- Support for Alternate root
- Specifying object file directories
- Fix and continue debugging
- Inline Support
- Debugging Macros
- Debugging Memory Problems
- When to suspect a memory leak
- Memory debugging restrictions
- Memory Debugging Methodologies
- Debugging Memory in Interactive Mode
- Debugging Memory in Batch Mode
- Debugging Memory Interactively After Attaching to a Running Process
- Configuring memory debugging settings
- Scenarios in memory debugging
- Stop when freeing unallocated or deallocated blocks
- Stop when freeing a block if bad writes occurred outside block boundary
- Stop when a specified block address is allocated or deallocated
- Scramble previous memory contents at malloc/free calls
- Detect dangling pointers and dangling blocks
- Detect in-block corruption of freed blocks
- Specify the amount of guard bytes for every block of allocated memory
- Comparison of Memory Debugging Commands in Interactive Mode and Batch Mode
- Heap Profiling
- Memory Checking Analysis for User Defined Memory Management Routines
- Commands to track the change in data segment value
- Thread Debugging Support
- Debugging MPI Programs
- Debugging multiple processes ( programs with fork and vfork calls)
- Debugging Core Files
- Printing the Execution Path Entries for the Current Frame or Thread
- Invoking GDB Before a Program Aborts
- Aborting a Command Line Call
- Instruction Level Stepping
- Enhanced support for watchpoints and breakpoints
- Debugging support for shared libraries
- Language support
- Enhanced Java Debugging Support
- Commands for Examining Java Virtual Machine(JVM) internals
- Support for stack traces in Java, C, and C++ programs
- Support for 64-bit Java, C, aC++ stack unwinding
- Enhanced support for C++ templates
- Support for __fpreg data type on IPF
- Support for _Complex variables in HP C
- Support for debugging namespaces
- Command for evaluating the address of an expression
- Viewing Wide Character Strings
- Support for output logging
- Getting information from a non-debug executable
- Debugging optimized code
- Visual Interface for WDB
- Starting and stopping Visual Interface for WDB
- Navigating the Visual Interface for WDB display
- Specifying foreground and background colors
- Using the X-window graphical interface
- Using the TUI mode
- Changing the size of the source or debugger pane
- Using commands to browse through source files
- Loading source files
- Editing source files
- Editing the command line and command-line history
- Saving the contents of a debugging session to a file
- Support for ddd
- Support for XDB commands
- GNU GDB Logging Commands
- Support for command line calls in a stripped executable
- Displaying the current block scope information
- Linux support
- The HP-UX Terminal User Interface
- XDB to WDB Transition Guide
- By-function lists of XDB commands and HP WDB equivalents
- Overall breakpoint commands
- XDB data formats and HP WDB equivalents
- XDB location syntax and HP WDB equivalents
- XDB special language operators and HP WDB equivalents
- XDB special variables and HP WDB equivalents
- XDB variable identifiers and HP WDB equivalents
- Alphabetical lists of XDB commands and HP WDB equivalents
- Controlling GDB
- Canned Sequences of Commands
- Using GDB under gnu Emacs
- GDB Annotations
- The gdb/mi Interface
- Function and purpose
- Notation and terminology
- gdb/mi Command Syntax
- gdb/mi compatibility with CLI
- gdb/mi output records
- gdb/mi command description format
- gdb/mi breakpoint table commands
- gdb/mi Data manipulation
- gdb/mi program control
- Miscellaneous GDB commands in gdb/mi
- gdb/mi Stack Manipulation Commands
- gdb/mi Symbol query commands
- gdb/mi Target Manipulation Commands
- gdb/mi thread commands
- gdb/mi tracepoint commands
- gdb/mi variable objects
- Reporting Bugs in GDB
- Installing GDB
- Index
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16.2.6 Assertion control commands . . . . . . . . . . . . . . . . . . 225
16.2.7 Record and playback commands . . . . . . . . . . . . . . 225
16.2.8 Macro facility commands . . . . . . . . . . . . . . . . . . . . . 226
16.2.9 Signal control commands . . . . . . . . . . . . . . . . . . . . . 226
16.2.10 Miscellaneous commands . . . . . . . . . . . . . . . . . . . . 227
16.3 XDB data formats and HP WDB equivalents. . . . . . . . . . . 228
16.4 XDB location syntax and HP WDB equivalents . . . . . . . . 230
16.5 XDB special language operators and HP WDB equivalents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
16.6 XDB special variables and HP WDB equivalents. . . . . . . . 231
16.7 XDB variable identifiers and HP WDB equivalents. . . . . . 233
16.8 Alphabetical lists of XDB commands and HP WDB
equivalents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
16.8.1 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
16.8.2 B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
16.8.3 C through D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
16.8.4 F through K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
16.8.5 L. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
16.8.6 M through P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
16.8.7 Q through S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
16.8.8 T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
16.8.9 U through Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
16.8.10 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
17 Controlling GDB . . . . . . . . . . . . . . . . . . . . . . . 249
17.1 Setting the GDB Prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
17.2 Setting Command Editing Options in GDB . . . . . . . . . . . . 249
17.3 Setting Command History Feature in GDB. . . . . . . . . . . . . 249
17.4 Setting the GDB Screen Size . . . . . . . . . . . . . . . . . . . . . . . . . . 251
17.5 Supported Number Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . 251
17.6 Optional warnings and messages . . . . . . . . . . . . . . . . . . . . . . 252
17.7 Optional messages about internal happenings. . . . . . . . . . . 253
18 Canned Sequences of Commands . . . . . . . . 255
18.1 User-defined commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
18.2 User-defined command hooks . . . . . . . . . . . . . . . . . . . . . . . . . 256
18.3 Command files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
18.4 Commands for controlled output . . . . . . . . . . . . . . . . . . . . . . 257
19 Using GDB under gnu Emacs . . . . . . . . . . . 259