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| -rw-r--r-- | hurd/debugging.mdwn | 1 | ||||
| -rw-r--r-- | hurd/debugging/gdb.mdwn | 2 | ||||
| -rw-r--r-- | hurd/debugging/gdb/backtrace.mdwn | 27 |
3 files changed, 30 insertions, 0 deletions
diff --git a/hurd/debugging.mdwn b/hurd/debugging.mdwn index 5a825479..5f4184e3 100644 --- a/hurd/debugging.mdwn +++ b/hurd/debugging.mdwn @@ -9,6 +9,7 @@ is included in the section entitled # Strategies * [[GDB]] -- the GNU debugger + * [[gdb/Backtrace]]s * [[subhurd]] -- running another Hurd system in parallel * [[rpctrace]] -- tracing [[RPC]]s diff --git a/hurd/debugging/gdb.mdwn b/hurd/debugging/gdb.mdwn index 02c66711..d9d6de02 100644 --- a/hurd/debugging/gdb.mdwn +++ b/hurd/debugging/gdb.mdwn @@ -12,6 +12,8 @@ features](http://sourceware.org/gdb/current/onlinedocs/gdb_19.html#Hurd%20Native to offer, such as [[noninvasive_debugging]] (for avoiding [[deadlock]]s), for example. +* [[Backtrace]]s + * [Manual](http://sourceware.org/gdb/documentation/) * [When disassemble doesn't work](http://lists.gnu.org/archive/html/bug-hurd/2007-02/msg00039.html) diff --git a/hurd/debugging/gdb/backtrace.mdwn b/hurd/debugging/gdb/backtrace.mdwn new file mode 100644 index 00000000..62067392 --- /dev/null +++ b/hurd/debugging/gdb/backtrace.mdwn @@ -0,0 +1,27 @@ +[[meta copyright="Copyright © 2007 Free Software Foundation, Inc."]] +[[meta license="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled +[[GNU_Free_Documentation_License|/fdl.txt]]."]] + +When someone asks you to supply a backtrace (from a [[segmentation_fault]], for +example), here is roughly what you have to do. + +Run the faulting program like this: + + $ gdb --args PROGRAM [ARGUMENTS] + [...] + (gdb) run + [...] + [Segmentation fault.] + (gdb) bt + [...] + +(!) This will only provide useful information if the executable (and additional +libraries) contain debugging symbols, or those are available separartely. + +If you're one a [[Debian_GNU/Hurd_system|running/distrib/debian]], you'll have +to have the *hurd-dbg* package installed for debugging Hurd stuff, and perhaps +*libc0.3-dbg* as well if it's inside the glibc. |