Remote debugging EDK2 BeagleBoardPkg on qEmu

Get ARM none EABI toolchain

arm-none-eabi-gdb included
http://www.codesourcery.com/sgpp/lite/arm/portal/package7813/public/arm-none-eabi/arm-2010.09-51-arm-none-eabi-i686-pc-linux-gnu.tar.bz2

Get module symbol information

Check Build/BeagleBoard/DEBUG_ARMGCC/FV/FVMAIN_COMPACT.Fv.map
Get .textbaseaddress and .databaseaddress

Load symbol information

arm-none-eabi-gdb
(gdb) add-symbol-file <BEAGLEROOT>/Build/BeagleBoard/DEBUG_ARMGCC/ARM/ArmPlatformPkg/PrePi/PeiUniCore/DEBUG/ArmPlatformPrePiUniCore.dll 0x0080008180 -s data 0x008001b5e4

add symbol table from file <BEAGLEROOT>/Build/BeagleBoard/DEBUG_ARMGCC/ARM/ArmPlatformPkg/PrePi/PeiUniCore/DEBUG/ArmPlatformPrePiUniCore.dll" at
.text_addr = 0x80008180
data_addr = 0x8001b5e4
(y or n) y

Reading symbols from <BEAGLEROOT>/Build/BeagleBoard/DEBUG_ARMGCC/ARM/ArmPlatformPkg/PrePi/PeiUniCore/DEBUG/ArmPlatformPrePiUniCore.dll...warning: section data not found in <BEAGLEROOT>/Build/BeagleBoard/DEBUG_ARMGCC/ARM/ArmPlatformPkg/PrePi/PeiUniCore/DEBUG/ArmPlatformPrePiUniCore.dll
done.

Start ARM qEmu

qemu-system-arm -M beagle -s -S -serial stdio -sd beagle.img
-s for waiting for gdb connection
-S for stopping execution when qEmu starts up

Connecting qEmu using GDB

(gdb) target remote :1234
Remote debugging using :1234
0x40014000 in ?? ()

Example

(gdb) b _ModuleEntryPoint

Breakpoint 1 at 0x80008188: file /home/kurt/programming/edk2/src/beagle/Build/BeagleBoard/DEBUG_ARMGCC/ARM/ArmPlatformPkg/PrePi/PeiUniCore/OUTPUT/Arm/ModuleEntryPoint.iii, line 39.

Connecting qEmu using DDD

sudo apt-get install ddd
ddd --debugger arm-none-eabi-gdb

In DDD using GDB command line

Get module symbol information
Load symbol information
Connecting qEmu using GDB