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I'm trying to perform cross platform remote debugging from my x86 computer to a remote ARM device. (ex: Beagle Bone Black)
I'm using Ubuntu 14.04 and Eclipse CDT.
I installed the package gcc-arm-linux-gnueabihf but the gdb debugger is not in that package. (http://packages.ubuntu.com/precise/gcc-arm-linux-gnueabihf)
Therefore, I'm wondering if I should use the Linaro toolchain (which include arm-linux-gnueabihf-gdb) or if I should install the gdb-multiarch package.
What is the difference between gdb-multiarch and arm-linux-gnueabihf-gdb ? Is it better to use gdb-multiarch ?
ssinfod
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gdb-multiarch. GDB is a source-level debugger, capable of breaking programs at any specific line, displaying variable values, and determining where errors occurred. Currently, gdb supports C, C++, D, Objective-C, Fortran, Java, OpenCL C, Pascal, assembly, Modula-2, Go, and Ada. A must-have for any serious programmer.
Cross or not crosss A common error while using gdb,is using the wrong gdb. In order to debug a program that runs on a target from your host you need a cross gdb,that is to say a GDB that runs on your computer but can debug the target architecture.
gcc-arm-linux-gnueabi is the cross-toolchain package for the armel architecture. This toolchain implies the EABI generated by gcc's -mfloat-abi=soft or -mfloat-abi=softfp options. gcc-arm-linux-gnueabihf is the cross-toolchain package for the armhf architecture.
I received an answer from the linaro mailing list:
For Ubuntu hosts from 12.04 onwards, gdb-multiarch is used as gdb client for debugging. As name indicates it is a common client to any architecture and not restricted to ARM.
Generally, all gdb clients are architecture independent because architecture specific part is handled in gdbserver itself. So, other than the name arm-linux-gnueabihf-gdb, I am guessing it is same as gdb-multiarch.
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