Dear Slawomir Cygan, Thank you very much for your infromation.
2011/4/12 Sławomir Cygan <slawomir.cy...@gmail.com>: > Hi, > >> We are unable to debug the OpenWRT image through GDB from a host >> system. When we try to debug, we are seeing the following error >> messages on the GDB screen. We are running the GDB from Cygwin on a >> Windows XP system. > Please use cross-compiled version of gdb - the one build by OpenWRT. I am trying to debug the vmlinux OpenWRT image which is build for my target device. The procedure that I am following is as follows. I build the OpenWRT image (vmlinux) on a Linux box in the ELF format for my Samsung MCU. Then, I am trying to load it on to my device's RAM area using a J-Link J-TAG and J-LinkGDBServer tool with a .gdbinit script from a Windows XP system. The .gdbinit script contains the initialization of the address map and CPU registers UART etc. Then, I am running the gdb from Cygwin on Windows XP system. If this is the case, how can I use OpenWRT gdb? Where is OpenWRT gdb available? Is it in staging_dir? >> Shall we need to be changed CFLAGS in any Makefile for including the -g >> option? > Propably, or modify global CFLAGS setting in OpenWRT. By default all > programs are build without debug info (and can be stripped, but I am > not sure about this at the moment). Yes. By default all are build without debugging information. I added -g option in the Makefile which is located at the trunk/target/linux/board directory. >> Any suggestions / ideas / links would be appreciated and help us a lot > My own point of view: usually it is better to use printf() instead of > gdb and printk() instead of kgdb. I am not able to see any debug messages on the hyper terminal. That is the reason, I want to put some break points in the HAL code and need to check whether it is reaching there or not through gdb. I explained the loading procedure above. Please let me know, if you need any additional information. I will provide. Thanks and Regards, Madhavi M. > > -- > Pozdrawiam, > Sławomir Cygan > _______________________________________________ > openwrt-devel mailing list > openwrt-devel@lists.openwrt.org > https://lists.openwrt.org/mailman/listinfo/openwrt-devel > _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
