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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-09-19 15:43:38 +0000 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-09-19 15:43:38 +0000 |
| commit | 580c309e4f30c80f2dccdbe10058566eae2695e7 (patch) | |
| tree | 4bcf9fcd787fb18099526f03eb1d10e5636e899d /tools/debugger | |
| parent | e13a4e8cc38eb31ef9a33dc69af34d007970511e (diff) | |
| download | xen-580c309e4f30c80f2dccdbe10058566eae2695e7.tar.gz xen-580c309e4f30c80f2dccdbe10058566eae2695e7.tar.bz2 xen-580c309e4f30c80f2dccdbe10058566eae2695e7.zip | |
Better gdb server documentation.
Diffstat (limited to 'tools/debugger')
| -rw-r--r-- | tools/debugger/gdb/README | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/tools/debugger/gdb/README b/tools/debugger/gdb/README index fa36ed6d7c..43f1e60fef 100644 --- a/tools/debugger/gdb/README +++ b/tools/debugger/gdb/README @@ -2,17 +2,28 @@ DomU GDB server for 32-bit (PAE and non-PAE) systems ---------------------------------------------------- -To build: +Lines marked below with [*] are optional, if you want full +source-level debugging of your kernel image. + +To build the GDB server: 1. Run ./gdbbuild from within this directory. 2. Copy ./gdb-6.2.1-linux-i386-xen/gdb/gdbserver/gdbserver-xen to your test machine. -To debug a running domain: +To build a debuggable guest kernel image: + 1. cd linux-2.6.12-xenU + 2. ARCH=xen make menuconfig + 3. From within the configurator, enable the following options: + # Kernel hacking -> Compile the kernel with debug info [*] + -> Compile the kernel with frame pointers + 4. (Re)build and (re)install your xenU kernel image. + +To debug a running guest: 1. Use 'xm list' to discover its domain id ($domid). 2. Run 'gdbserver-xen 127.0.0.1:9999 --attach $domid' 3. Run 'gdb /path/to/vmlinux-syms-2.6.xx-xenU' 4. From within the gdb client session: + # directory /path/to/linux-2.6.xx-xenU [*] # target remote 127.0.0.1:9999 # bt # disass - 5. And so on... |