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  • Why GNU ARM Toolchain objcopy didn't redefine and strip symbols, what a possible workaround?

    I have Android shared library with armeabi-v7 architecture, and I need to rename some functions inside this.

    Firstly, I tried ARM toolchain v4.9 of Android NDK.

    I tried:

    objcopy --redefine-sym _Z3foo1v=_Z3foo2v libTest.so libTestResult.so

    It throws no…

  • Optimizing code for ARM: ARMv7, ARMv8, Memory Models and NEON Intrinsics

    Matthew Gretton-Dann titled this presentation: Porting & Optimising Code 32-bit to 64-bit

    The title is accurate but he does a better job of giving a high level overview of the ARMv7 and ARMv8 architecture differences, C++11 memory models (which become…