diff options
Diffstat (limited to 'hurd/debugging/translator')
-rw-r--r-- | hurd/debugging/translator/gdb.mdwn | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/hurd/debugging/translator/gdb.mdwn b/hurd/debugging/translator/gdb.mdwn new file mode 100644 index 00000000..bee41010 --- /dev/null +++ b/hurd/debugging/translator/gdb.mdwn @@ -0,0 +1,53 @@ +[[meta copyright="Copyright © 2007, 2008 Free Software Foundation, Inc."]] + +[[meta license="""[[toggle id="license" text="GFDL 1.2+"]][[toggleable +id="license" text="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]]."]]"""]] + +Say you want to try running file system server ([[`ext2fs`|translator/ext2fs]], +[[`jfs`|translator/jfs]], ...) against a modified version of +[[`libpager`|libpager]] and debug the latter one using [[debugging/GDB]]. + +Set the [[hurd/translator]] like this: + + $ settrans -fgap ↩ + jfs.img.i ↩ + /usr/bin/env ↩ + LD_LIBRARY_PATH=~tschwinge/tmp/hurd/hurd.ogi/build/libpager ↩ + "$PWD"/jfs.obj/jfs ↩ + "$PWD"/jfs.img + +Then, when starting GDB, start it like this (or use an equivalent method, of +course): + + $ LD_LIBRARY_PATH=~tschwinge/tmp/hurd/hurd.ogi/build/libpager ↩ + gdb ↩ + ~tschwinge/tmp/jfs/jfs.obj/jfs 15436 + GNU gdb 6.5-debian + [...] + Reading symbols from /lib/libdiskfs.so.0.3...Reading symbols from /lib/debug/lib/libdiskfs.so.0.3...done. + done. + Loaded symbols for /lib/libdiskfs.so.0.3 + Reading symbols from /devel4/tschwinge/tmp/hurd/hurd.ogi/build/libpager/libpager.so.0.3...done. + Loaded symbols for /devel4/tschwinge/tmp/hurd/hurd.ogi/build/libpager/libpager.so.0.3 + Reading symbols from /lib/libstore.so.0.3...Reading symbols from /lib/debug/lib/libstore.so.0.3...done. + done. + Loaded symbols for /lib/libstore.so.0.3 + [...] + (gdb) break pager_demuxer + Breakpoint 1 at 0x105c98d: file ../../libpager/demuxer.c, line 27. + [...] + Breakpoint 1, pager_demuxer (inp=0x12bded0, outp=0x12bbec0) at ../../libpager/demuxer.c:27 + 27 { + (gdb) list + 22 /* Demultiplex a single message directed at a pager port; INP is the + 23 message received; fill OUTP with the reply. */ + 24 int + 25 pager_demuxer (mach_msg_header_t *inp, + [...] + +Voilà. |