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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Dec 2021 17:31:17 -0000 Hi Nick, On 12/10/21 01:38, Nick Clifton wrote: > Hi Vladimir, > >> For x86_64/i686, gprofng should be built twice to support profiling for >> both 32-bit and 64-bit applications: >>    PREFIX= >>    configure --enable-shared --prefix=$PREFIX --libdir=$PREFIX/lib64 >> && make && make install >>    configure --enable-shared --prefix=$PREFIX CC='gcc -m32' CXX='g++ >> -m32' \ >>           --target=i686-pc-linux-gnu --disable-gprofng-tools && make >> && make install >> >> For ARM: >>    configure --enable-shared --prefix=$PREFIX && make install > > Am I correct in thinking that gprofng only supports x86/x86_64 and ARM ? yes, it currently on x86/x86_64 and aarch64. > > To me this is a concern as the intention of the binutils project is to > support as wide a range of architectures as possible. > > Is it simple to add other architectures ?  What work needs to be done ? We utilize disassembler() from libopcodes and several functions from libbfd which are already cross platform. The rest of porting is stack unwinding and hardware counter profiling (It is in binutils-gdb.git/gprofng/libcollector). We will start writing a few page porting guide. Thank you, -Vladimir > > Cheers >   Nick >