HP gnu source-level debugger 5992-4701 - Manual (Page 142)

14.3 Supported Platforms and Modes
• Supported Platforms
HP WDB supports source-level debugging of programs written in HP C, HP aC++,
and Fortran 90 on Integrity systems running on HP-UX 11i v2 or later and PA-
RISC systems running HP-UX 11i v1 and later.
• Support for assembly-level debugging
HP WDB provides support for assembly-level debugging.
• Support for automatic loading of debug information
Debug information is automatically loaded from modules when an application is
com- piled with the +objdebug option.
• Support for debugging PA-RISC programs on Itanium-based systems
You can debug PA-RISC applications and core files on Itanium-based systems.
When you start HP WDB, if the debug target is a PA-RISC binary program, the
debugger automatically loads PA-RISC WDB. The PA-RISC version of HP WDB
is provided as part of the HP-UX operating system.
• Support for debugging large core files (> 2GB)
HP WDB supports debugging of core files with sizes more than 2 GB.
• Support co-variant type
HP WDB can step into a co-variant function. The compiler-generated function
called thunks, which is used internally by the compiler to support co-variant return
type, is not shown when you do a backtrace or switch from one frame to another
frame. Similarly, using a finish or return command at a co-variant callee
function directly returns the control back to the caller of thunks.
• New attach command line options and handling (-pid or -p)
HP WDB accepts -pid or -p followed by a process ID to attach a running process
to the debugger.
142 HP-UX Configuration-Specific Information