On 05/07/19 10:59, Ryszard Knop wrote: > Hi Mike, > > GdbSyms can be built separately from the debugged image. It produces a > DLL file to load while starting GDB so that it properly detects the > target once connected. The associated gdb_uefi.py script loads it with > symbol-file to get some info required to find the system table, etc > (see search_est function).
Yes, that function performs the 4MB-aligned search that Mike mentioned. > > I'm using this script (with QEMU only, not sure about other platforms, > but could work I guess?) and have a Python 3 port if someone needs it. > > Thanks, Richard > > On 2019-05-07 8:13, Michael D Kinney wrote: >> Hi Rebecca, >> >> This content does not look OVMF specific. >> >> Does it depend on QEMU? Or would this >> Potentially work on any target that supports >> gdb? I'd expect it to interoperate with any gdb server implementation. Whenever I use DebugPkg, to connect to a running QEMU instance, I launch the following gdb scriptlet (with "gdb -x") from a file: set height 0 set architecture i386:x86-64:intel target remote localhost:1234 source .../DebugPkg/Scripts/gdb_uefi.py reload-uefi -o .../Build/Ovmf3264/NOOPT_GCC48/X64/DebugPkg/GdbSyms/GdbSyms/DEBUG/GdbSyms.dll Thanks Laszlo >> >> How about adding to SourceLevelDebugPkg as >> an another method to load symbols? Not sure >> why the extra module is required. The Debug >> Image Info Table is defined to be on a 4MB >> boundary and can be found with a search. >> >> Mike >> >>> -----Original Message----- >>> From: [email protected] [mailto:[email protected]] >>> On Behalf Of [email protected] >>> Sent: Monday, May 6, 2019 7:04 PM >>> To: [email protected] >>> Subject: [edk2-devel] Adding DebugPkg to the main edk2 >>> repo >>> >>> I think this has been discussed previously, but since >>> time has passed >>> I'd like to check again: is there any possibility of >>> having the DebugPkg >>> from https://github.com/andreiw/andreiw- >>> wip/tree/master/uefi/DebugPkg >>> added to the main edk2 repo in some way (perhaps not as >>> DebugPkg, but >>> renamed/reorganized/integrated)? >>> >>> >>> It seems such a useful addition for debugging UEFI code >>> running under >>> OVMF that it would be nice to have it somewhere it has >>> less chance of >>> bitrotting. >>> >>> >>> -- >>> Rebecca Cran >>> >>> >>> >> >> >> > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#40106): https://edk2.groups.io/g/devel/message/40106 Mute This Topic: https://groups.io/mt/31527543/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
